Conflicts: block/cfq-iosched.c
Unified · Split
| @@ -23,6 +23,7 @@ Andy Adamson <andros@citi.umich.edu> · 22 unmodified lines | |||
| 23 | Arnaud Patard <arnaud.patard@rtp-net.org> | 23 | Arnaud Patard <arnaud.patard@rtp-net.org> |
| 24 | Arnd Bergmann <arnd@arndb.de> | 24 | Arnd Bergmann <arnd@arndb.de> |
| 25 | Axel Dyks <xl@xlsigned.net> | 25 | Axel Dyks <xl@xlsigned.net> |
| 26 | Axel Lin <axel.lin@gmail.com> | ||
| 26 | Ben Gardner <bgardner@wabtec.com> | 27 | Ben Gardner <bgardner@wabtec.com> |
| 27 | Ben M Cahill <ben.m.cahill@intel.com> | 28 | Ben M Cahill <ben.m.cahill@intel.com> |
| 28 | Björn Steinbrink <B.Steinbrink@gmx.de> | 29 | Björn Steinbrink <B.Steinbrink@gmx.de> |
| @@ -105,3 +106,4 @@ Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> · 76 unmodified lines | |||
| 105 | Uwe Kleine-König <ukl@pengutronix.de> | 106 | Uwe Kleine-König <ukl@pengutronix.de> |
| 106 | Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> | 107 | Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> |
| 107 | Valdis Kletnieks <Valdis.Kletnieks@vt.edu> | 108 | Valdis Kletnieks <Valdis.Kletnieks@vt.edu> |
| 109 | Takashi YOSHII <takashi.yoshii.zj@renesas.com> | ||
| @@ -2365,8 +2365,6 @@ E: acme@redhat.com · 2364 unmodified lines | |||
| 2365 | W: http://oops.ghostprotocols.net:81/blog/ | 2365 | W: http://oops.ghostprotocols.net:81/blog/ |
| 2366 | P: 1024D/9224DF01 D5DF E3BB E3C8 BCBB F8AD 841A B6AB 4681 9224 DF01 | 2366 | P: 1024D/9224DF01 D5DF E3BB E3C8 BCBB F8AD 841A B6AB 4681 9224 DF01 |
| 2367 | D: IPX, LLC, DCCP, cyc2x, wl3501_cs, net/ hacks | 2367 | D: IPX, LLC, DCCP, cyc2x, wl3501_cs, net/ hacks |
| 2368 | S: R. Brasílio Itiberê, 4270/1010 - Água Verde | ||
| 2369 | S: 80240-060 - Curitiba - Paraná | ||
| 2370 | S: Brazil | 2368 | S: Brazil |
| 2371 | 2369 | ||
| 2372 | N: Karsten Merker | 2370 | N: Karsten Merker |
| @@ -2813,8 +2811,8 @@ D: CDROM driver "sonycd535" (Sony CDU-535/531) · 440 unmodified lines | |||
| 2813 | N: Stelian Pop | 2811 | N: Stelian Pop |
| 2814 | E: stelian@popies.net | 2812 | E: stelian@popies.net |
| 2815 | P: 1024D/EDBB6147 7B36 0E07 04BC 11DC A7A0 D3F7 7185 9E7A EDBB 6147 | 2813 | P: 1024D/EDBB6147 7B36 0E07 04BC 11DC A7A0 D3F7 7185 9E7A EDBB 6147 |
| 2816 | D: sonypi, meye drivers, mct_u232 usb serial hacks | 2814 | D: random kernel hacks |
| 2817 | S: Paris, France | 2815 | S: Paimpont, France |
| 2818 | 2816 | ||
| 2819 | N: Pete Popov | 2817 | N: Pete Popov |
| 2820 | E: pete_popov@yahoo.com | 2818 | E: pete_popov@yahoo.com |
| @@ -0,0 +1,4 @@ | |||
| 1 | What: A notification mechanism for thermal related events | ||
| 2 | Description: | ||
| 3 | This interface enables notification for thermal related events. | ||
| 4 | The notification is in the form of a netlink event. | ||
| @@ -26,3 +26,12 @@ Description: · 25 unmodified lines | |||
| 26 | scheduler is chosen. Trigger specific parameters can appear in | 26 | scheduler is chosen. Trigger specific parameters can appear in |
| 27 | /sys/class/leds/<led> once a given trigger is selected. | 27 | /sys/class/leds/<led> once a given trigger is selected. |
| 28 | 28 | ||
| 29 | What: /sys/class/leds/<led>/inverted | ||
| 30 | Date: January 2011 | ||
| 31 | KernelVersion: 2.6.38 | ||
| 32 | Contact: Richard Purdie <rpurdie@rpsys.net> | ||
| 33 | Description: | ||
| 34 | Invert the LED on/off state. This parameter is specific to | ||
| 35 | gpio and backlight triggers. In case of the backlight trigger, | ||
| 36 | it is usefull when driving a LED which is intended to indicate | ||
| 37 | a device in a standby like state. | ||
File renamed without changes.
| @@ -22,6 +22,27 @@ Description: · 21 unmodified lines | |||
| 22 | mesh will be fragmented or silently discarded if the | 22 | mesh will be fragmented or silently discarded if the |
| 23 | packet size exceeds the outgoing interface MTU. | 23 | packet size exceeds the outgoing interface MTU. |
| 24 | 24 | ||
| 25 | What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth | ||
| 26 | Date: October 2010 | ||
| 27 | Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| 28 | Description: | ||
| 29 | Defines the bandwidth which is propagated by this | ||
| 30 | node if gw_mode was set to 'server'. | ||
| 31 | |||
| 32 | What: /sys/class/net/<mesh_iface>/mesh/gw_mode | ||
| 33 | Date: October 2010 | ||
| 34 | Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| 35 | Description: | ||
| 36 | Defines the state of the gateway features. Can be | ||
| 37 | either 'off', 'client' or 'server'. | ||
| 38 | |||
| 39 | What: /sys/class/net/<mesh_iface>/mesh/gw_sel_class | ||
| 40 | Date: October 2010 | ||
| 41 | Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| 42 | Description: | ||
| 43 | Defines the selection criteria this node will use | ||
| 44 | to choose a gateway if gw_mode was set to 'client'. | ||
| 45 | |||
| 25 | What: /sys/class/net/<mesh_iface>/mesh/orig_interval | 46 | What: /sys/class/net/<mesh_iface>/mesh/orig_interval |
| 26 | Date: May 2010 | 47 | Date: May 2010 |
| 27 | Contact: Marek Lindner <lindner_marek@yahoo.de> | 48 | Contact: Marek Lindner <lindner_marek@yahoo.de> |
| @@ -29,6 +50,13 @@ Description: · 1 unmodified line | |||
| 29 | Defines the interval in milliseconds in which batman | 50 | Defines the interval in milliseconds in which batman |
| 30 | sends its protocol messages. | 51 | sends its protocol messages. |
| 31 | 52 | ||
| 53 | What: /sys/class/net/<mesh_iface>/mesh/hop_penalty | ||
| 54 | Date: Oct 2010 | ||
| 55 | Contact: Linus Lüssing <linus.luessing@web.de> | ||
| 56 | Description: | ||
| 57 | Defines the penalty which will be applied to an | ||
| 58 | originator message's tq-field on every hop. | ||
| 59 | |||
| 32 | What: /sys/class/net/<mesh_iface>/mesh/vis_mode | 60 | What: /sys/class/net/<mesh_iface>/mesh/vis_mode |
| 33 | Date: May 2010 | 61 | Date: May 2010 |
| 34 | Contact: Marek Lindner <lindner_marek@yahoo.de> | 62 | Contact: Marek Lindner <lindner_marek@yahoo.de> |
| @@ -1,4 +1,4 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/actual_dpi | 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/actual_dpi |
| 2 | Date: March 2010 | 2 | Date: March 2010 |
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 4 | Description: It is possible to switch the dpi setting of the mouse with the | 4 | Description: It is possible to switch the dpi setting of the mouse with the |
| @@ -17,13 +17,13 @@ Description: It is possible to switch the dpi setting of the mouse with the · 12 unmodified lines | |||
| 17 | 17 | ||
| 18 | This file is readonly. | 18 | This file is readonly. |
| 19 | 19 | ||
| 20 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/actual_profile | 20 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/actual_profile |
| 21 | Date: March 2010 | 21 | Date: March 2010 |
| 22 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 22 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 23 | Description: When read, this file returns the number of the actual profile. | 23 | Description: When read, this file returns the number of the actual profile. |
| 24 | This file is readonly. | 24 | This file is readonly. |
| 25 | 25 | ||
| 26 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/firmware_version | 26 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/firmware_version |
| 27 | Date: March 2010 | 27 | Date: March 2010 |
| 28 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 28 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 29 | Description: When read, this file returns the raw integer version number of the | 29 | Description: When read, this file returns the raw integer version number of the |
| @@ -33,7 +33,7 @@ Description: When read, this file returns the raw integer version number of the · 3 unmodified lines | |||
| 33 | left. E.g. a returned value of 138 means 1.38 | 33 | left. E.g. a returned value of 138 means 1.38 |
| 34 | This file is readonly. | 34 | This file is readonly. |
| 35 | 35 | ||
| 36 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile[1-5] | 36 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/profile[1-5] |
| 37 | Date: March 2010 | 37 | Date: March 2010 |
| 38 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 38 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 39 | Description: The mouse can store 5 profiles which can be switched by the | 39 | Description: The mouse can store 5 profiles which can be switched by the |
| @@ -48,7 +48,7 @@ Description: The mouse can store 5 profiles which can be switched by the · 8 unmodified lines | |||
| 48 | stored in the profile doesn't need to fit the number of the | 48 | stored in the profile doesn't need to fit the number of the |
| 49 | store. | 49 | store. |
| 50 | 50 | ||
| 51 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/settings | 51 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/settings |
| 52 | Date: March 2010 | 52 | Date: March 2010 |
| 53 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 53 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 54 | Description: When read, this file returns the settings stored in the mouse. | 54 | Description: When read, this file returns the settings stored in the mouse. |
| @@ -58,7 +58,7 @@ Description: When read, this file returns the settings stored in the mouse. · 3 unmodified lines | |||
| 58 | The data has to be 36 bytes long. The mouse will reject invalid | 58 | The data has to be 36 bytes long. The mouse will reject invalid |
| 59 | data. | 59 | data. |
| 60 | 60 | ||
| 61 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/startup_profile | 61 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/startup_profile |
| 62 | Date: March 2010 | 62 | Date: March 2010 |
| 63 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 63 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 64 | Description: The integer value of this attribute ranges from 1 to 5. | 64 | Description: The integer value of this attribute ranges from 1 to 5. |
| @@ -67,7 +67,7 @@ Description: The integer value of this attribute ranges from 1 to 5. · 2 unmodified lines | |||
| 67 | When written, this file sets the number of the startup profile | 67 | When written, this file sets the number of the startup profile |
| 68 | and the mouse activates this profile immediately. | 68 | and the mouse activates this profile immediately. |
| 69 | 69 | ||
| 70 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/tcu | 70 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/tcu |
| 71 | Date: March 2010 | 71 | Date: March 2010 |
| 72 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 72 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 73 | Description: The mouse has a "Tracking Control Unit" which lets the user | 73 | Description: The mouse has a "Tracking Control Unit" which lets the user |
| @@ -78,7 +78,7 @@ Description: The mouse has a "Tracking Control Unit" which lets the user · 4 unmodified lines | |||
| 78 | Writing 1 in this file will start the calibration which takes | 78 | Writing 1 in this file will start the calibration which takes |
| 79 | around 6 seconds to complete and activates the TCU. | 79 | around 6 seconds to complete and activates the TCU. |
| 80 | 80 | ||
| 81 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/weight | 81 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kone/roccatkone<minor>/weight |
| 82 | Date: March 2010 | 82 | Date: March 2010 |
| 83 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 83 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 84 | Description: The mouse can be equipped with one of four supplied weights | 84 | Description: The mouse can be equipped with one of four supplied weights |
| @@ -0,0 +1,108 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/actual_profile | ||
| 2 | Date: October 2010 | ||
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 4 | Description: When read, this file returns the number of the actual profile in | ||
| 5 | range 0-4. | ||
| 6 | This file is readonly. | ||
| 7 | |||
| 8 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/firmware_version | ||
| 9 | Date: October 2010 | ||
| 10 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 11 | Description: When read, this file returns the raw integer version number of the | ||
| 12 | firmware reported by the mouse. Using the integer value eases | ||
| 13 | further usage in other programs. To receive the real version | ||
| 14 | number the decimal point has to be shifted 2 positions to the | ||
| 15 | left. E.g. a returned value of 121 means 1.21 | ||
| 16 | This file is readonly. | ||
| 17 | |||
| 18 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/macro | ||
| 19 | Date: October 2010 | ||
| 20 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 21 | Description: The mouse can store a macro with max 500 key/button strokes | ||
| 22 | internally. | ||
| 23 | When written, this file lets one set the sequence for a specific | ||
| 24 | button for a specific profile. Button and profile numbers are | ||
| 25 | included in written data. The data has to be 2082 bytes long. | ||
| 26 | This file is writeonly. | ||
| 27 | |||
| 28 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_buttons | ||
| 29 | Date: August 2010 | ||
| 30 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 31 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 32 | press of a button. A profile is split in settings and buttons. | ||
| 33 | profile_buttons holds informations about button layout. | ||
| 34 | When written, this file lets one write the respective profile | ||
| 35 | buttons back to the mouse. The data has to be 77 bytes long. | ||
| 36 | The mouse will reject invalid data. | ||
| 37 | Which profile to write is determined by the profile number | ||
| 38 | contained in the data. | ||
| 39 | This file is writeonly. | ||
| 40 | |||
| 41 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_buttons | ||
| 42 | Date: August 2010 | ||
| 43 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 44 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 45 | press of a button. A profile is split in settings and buttons. | ||
| 46 | profile_buttons holds informations about button layout. | ||
| 47 | When read, these files return the respective profile buttons. | ||
| 48 | The returned data is 77 bytes in size. | ||
| 49 | This file is readonly. | ||
| 50 | |||
| 51 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_settings | ||
| 52 | Date: October 2010 | ||
| 53 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 54 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 55 | press of a button. A profile is split in settings and buttons. | ||
| 56 | profile_settings holds informations like resolution, sensitivity | ||
| 57 | and light effects. | ||
| 58 | When written, this file lets one write the respective profile | ||
| 59 | settings back to the mouse. The data has to be 43 bytes long. | ||
| 60 | The mouse will reject invalid data. | ||
| 61 | Which profile to write is determined by the profile number | ||
| 62 | contained in the data. | ||
| 63 | This file is writeonly. | ||
| 64 | |||
| 65 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_settings | ||
| 66 | Date: August 2010 | ||
| 67 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 68 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 69 | press of a button. A profile is split in settings and buttons. | ||
| 70 | profile_settings holds informations like resolution, sensitivity | ||
| 71 | and light effects. | ||
| 72 | When read, these files return the respective profile settings. | ||
| 73 | The returned data is 43 bytes in size. | ||
| 74 | This file is readonly. | ||
| 75 | |||
| 76 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/sensor | ||
| 77 | Date: October 2010 | ||
| 78 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 79 | Description: The mouse has a tracking- and a distance-control-unit. These | ||
| 80 | can be activated/deactivated and the lift-off distance can be | ||
| 81 | set. The data has to be 6 bytes long. | ||
| 82 | This file is writeonly. | ||
| 83 | |||
| 84 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/startup_profile | ||
| 85 | Date: October 2010 | ||
| 86 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 87 | Description: The integer value of this attribute ranges from 0-4. | ||
| 88 | When read, this attribute returns the number of the profile | ||
| 89 | that's active when the mouse is powered on. | ||
| 90 | When written, this file sets the number of the startup profile | ||
| 91 | and the mouse activates this profile immediately. | ||
| 92 | |||
| 93 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu | ||
| 94 | Date: October 2010 | ||
| 95 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 96 | Description: When written a calibration process for the tracking control unit | ||
| 97 | can be initiated/cancelled. | ||
| 98 | The data has to be 3 bytes long. | ||
| 99 | This file is writeonly. | ||
| 100 | |||
| 101 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu_image | ||
| 102 | Date: October 2010 | ||
| 103 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 104 | Description: When read the mouse returns a 30x30 pixel image of the | ||
| 105 | sampled underground. This works only in the course of a | ||
| 106 | calibration process initiated with tcu. | ||
| 107 | The returned data is 1028 bytes in size. | ||
| 108 | This file is readonly. | ||
| @@ -1,4 +1,4 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/actual_cpi | 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_cpi |
| 2 | Date: August 2010 | 2 | Date: August 2010 |
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 4 | Description: It is possible to switch the cpi setting of the mouse with the | 4 | Description: It is possible to switch the cpi setting of the mouse with the |
| @@ -14,14 +14,14 @@ Description: It is possible to switch the cpi setting of the mouse with the · 9 unmodified lines | |||
| 14 | 14 | ||
| 15 | This file is readonly. | 15 | This file is readonly. |
| 16 | 16 | ||
| 17 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/actual_profile | 17 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_profile |
| 18 | Date: August 2010 | 18 | Date: August 2010 |
| 19 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 19 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 20 | Description: When read, this file returns the number of the actual profile in | 20 | Description: When read, this file returns the number of the actual profile in |
| 21 | range 0-4. | 21 | range 0-4. |
| 22 | This file is readonly. | 22 | This file is readonly. |
| 23 | 23 | ||
| 24 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/firmware_version | 24 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/firmware_version |
| 25 | Date: August 2010 | 25 | Date: August 2010 |
| 26 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 26 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 27 | Description: When read, this file returns the raw integer version number of the | 27 | Description: When read, this file returns the raw integer version number of the |
| @@ -31,7 +31,7 @@ Description: When read, this file returns the raw integer version number of the · 3 unmodified lines | |||
| 31 | left. E.g. a returned value of 138 means 1.38 | 31 | left. E.g. a returned value of 138 means 1.38 |
| 32 | This file is readonly. | 32 | This file is readonly. |
| 33 | 33 | ||
| 34 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile_settings | 34 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_settings |
| 35 | Date: August 2010 | 35 | Date: August 2010 |
| 36 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 36 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 37 | Description: The mouse can store 5 profiles which can be switched by the | 37 | Description: The mouse can store 5 profiles which can be switched by the |
| @@ -45,7 +45,7 @@ Description: The mouse can store 5 profiles which can be switched by the · 7 unmodified lines | |||
| 45 | contained in the data. | 45 | contained in the data. |
| 46 | This file is writeonly. | 46 | This file is writeonly. |
| 47 | 47 | ||
| 48 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile[1-5]_settings | 48 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_settings |
| 49 | Date: August 2010 | 49 | Date: August 2010 |
| 50 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 50 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 51 | Description: The mouse can store 5 profiles which can be switched by the | 51 | Description: The mouse can store 5 profiles which can be switched by the |
| @@ -56,7 +56,7 @@ Description: The mouse can store 5 profiles which can be switched by the · 4 unmodified lines | |||
| 56 | The returned data is 13 bytes in size. | 56 | The returned data is 13 bytes in size. |
| 57 | This file is readonly. | 57 | This file is readonly. |
| 58 | 58 | ||
| 59 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile_buttons | 59 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_buttons |
| 60 | Date: August 2010 | 60 | Date: August 2010 |
| 61 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 61 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 62 | Description: The mouse can store 5 profiles which can be switched by the | 62 | Description: The mouse can store 5 profiles which can be switched by the |
| @@ -69,7 +69,7 @@ Description: The mouse can store 5 profiles which can be switched by the · 6 unmodified lines | |||
| 69 | contained in the data. | 69 | contained in the data. |
| 70 | This file is writeonly. | 70 | This file is writeonly. |
| 71 | 71 | ||
| 72 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/profile[1-5]_buttons | 72 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_buttons |
| 73 | Date: August 2010 | 73 | Date: August 2010 |
| 74 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 74 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 75 | Description: The mouse can store 5 profiles which can be switched by the | 75 | Description: The mouse can store 5 profiles which can be switched by the |
| @@ -79,7 +79,7 @@ Description: The mouse can store 5 profiles which can be switched by the · 3 unmodified lines | |||
| 79 | The returned data is 19 bytes in size. | 79 | The returned data is 19 bytes in size. |
| 80 | This file is readonly. | 80 | This file is readonly. |
| 81 | 81 | ||
| 82 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/startup_profile | 82 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/startup_profile |
| 83 | Date: August 2010 | 83 | Date: August 2010 |
| 84 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 84 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 85 | Description: The integer value of this attribute ranges from 0-4. | 85 | Description: The integer value of this attribute ranges from 0-4. |
| @@ -87,7 +87,7 @@ Description: The integer value of this attribute ranges from 0-4. · 1 unmodified line | |||
| 87 | that's active when the mouse is powered on. | 87 | that's active when the mouse is powered on. |
| 88 | This file is readonly. | 88 | This file is readonly. |
| 89 | 89 | ||
| 90 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/settings | 90 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/settings |
| 91 | Date: August 2010 | 91 | Date: August 2010 |
| 92 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 92 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 93 | Description: When read, this file returns the settings stored in the mouse. | 93 | Description: When read, this file returns the settings stored in the mouse. |
| @@ -0,0 +1,25 @@ | |||
| 1 | What: /sys/devices/platform/at91_can/net/<iface>/mb0_id | ||
| 2 | Date: January 2011 | ||
| 3 | KernelVersion: 2.6.38 | ||
| 4 | Contact: Marc Kleine-Budde <kernel@pengutronix.de> | ||
| 5 | Description: | ||
| 6 | Value representing the can_id of mailbox 0. | ||
| 7 | |||
| 8 | Default: 0x7ff (standard frame) | ||
| 9 | |||
| 10 | Due to a chip bug (errata 50.2.6.3 & 50.3.5.3 in | ||
| 11 | "AT91SAM9263 Preliminary 6249H-ATARM-27-Jul-09") the | ||
| 12 | contents of mailbox 0 may be send under certain | ||
| 13 | conditions (even if disabled or in rx mode). | ||
| 14 | |||
| 15 | The workaround in the errata suggests not to use the | ||
| 16 | mailbox and load it with an unused identifier. | ||
| 17 | |||
| 18 | In order to use an extended can_id add the | ||
| 19 | CAN_EFF_FLAG (0x80000000U) to the can_id. Example: | ||
| 20 | |||
| 21 | - standard id 0x7ff: | ||
| 22 | echo 0x7ff > /sys/class/net/can0/mb0_id | ||
| 23 | |||
| 24 | - extended id 0x1fffffff: | ||
| 25 | echo 0x9fffffff > /sys/class/net/can0/mb0_id | ||
| @@ -0,0 +1,6 @@ | |||
| 1 | What: /sys/devices/platform/ideapad/camera_power | ||
| 2 | Date: Dec 2010 | ||
| 3 | KernelVersion: 2.6.37 | ||
| 4 | Contact: "Ike Panhc <ike.pan@canonical.com>" | ||
| 5 | Description: | ||
| 6 | Control the power of camera module. 1 means on, 0 means off. | ||
| @@ -0,0 +1,19 @@ | |||
| 1 | What: /sys/class/tty/console/active | ||
| 2 | Date: Nov 2010 | ||
| 3 | Contact: Kay Sievers <kay.sievers@vrfy.org> | ||
| 4 | Description: | ||
| 5 | Shows the list of currently configured | ||
| 6 | console devices, like 'tty1 ttyS0'. | ||
| 7 | The last entry in the file is the active | ||
| 8 | device connected to /dev/console. | ||
| 9 | The file supports poll() to detect virtual | ||
| 10 | console switches. | ||
| 11 | |||
| 12 | What: /sys/class/tty/tty0/active | ||
| 13 | Date: Nov 2010 | ||
| 14 | Contact: Kay Sievers <kay.sievers@vrfy.org> | ||
| 15 | Description: | ||
| 16 | Shows the currently active virtual console | ||
| 17 | device, like 'tty1'. | ||
| 18 | The file supports poll() to detect virtual | ||
| 19 | console switches. | ||
| @@ -146,6 +146,7 @@ · 145 unmodified lines | |||
| 146 | !Finclude/net/cfg80211.h cfg80211_rx_mgmt | 146 | !Finclude/net/cfg80211.h cfg80211_rx_mgmt |
| 147 | !Finclude/net/cfg80211.h cfg80211_mgmt_tx_status | 147 | !Finclude/net/cfg80211.h cfg80211_mgmt_tx_status |
| 148 | !Finclude/net/cfg80211.h cfg80211_cqm_rssi_notify | 148 | !Finclude/net/cfg80211.h cfg80211_cqm_rssi_notify |
| 149 | !Finclude/net/cfg80211.h cfg80211_cqm_pktloss_notify | ||
| 149 | !Finclude/net/cfg80211.h cfg80211_michael_mic_failure | 150 | !Finclude/net/cfg80211.h cfg80211_michael_mic_failure |
| 150 | </chapter> | 151 | </chapter> |
| 151 | <chapter> | 152 | <chapter> |
| @@ -267,10 +268,6 @@ · 115 unmodified lines | |||
| 267 | !Finclude/net/mac80211.h ieee80211_ops | 268 | !Finclude/net/mac80211.h ieee80211_ops |
| 268 | !Finclude/net/mac80211.h ieee80211_alloc_hw | 269 | !Finclude/net/mac80211.h ieee80211_alloc_hw |
| 269 | !Finclude/net/mac80211.h ieee80211_register_hw | 270 | !Finclude/net/mac80211.h ieee80211_register_hw |
| 270 | !Finclude/net/mac80211.h ieee80211_get_tx_led_name | ||
| 271 | !Finclude/net/mac80211.h ieee80211_get_rx_led_name | ||
| 272 | !Finclude/net/mac80211.h ieee80211_get_assoc_led_name | ||
| 273 | !Finclude/net/mac80211.h ieee80211_get_radio_led_name | ||
| 274 | !Finclude/net/mac80211.h ieee80211_unregister_hw | 271 | !Finclude/net/mac80211.h ieee80211_unregister_hw |
| 275 | !Finclude/net/mac80211.h ieee80211_free_hw | 272 | !Finclude/net/mac80211.h ieee80211_free_hw |
| 276 | </chapter> | 273 | </chapter> |
| @@ -332,10 +329,16 @@ · 55 unmodified lines | |||
| 332 | <title>functions/definitions</title> | 329 | <title>functions/definitions</title> |
| 333 | !Finclude/net/mac80211.h ieee80211_rx_status | 330 | !Finclude/net/mac80211.h ieee80211_rx_status |
| 334 | !Finclude/net/mac80211.h mac80211_rx_flags | 331 | !Finclude/net/mac80211.h mac80211_rx_flags |
| 332 | !Finclude/net/mac80211.h mac80211_tx_control_flags | ||
| 333 | !Finclude/net/mac80211.h mac80211_rate_control_flags | ||
| 334 | !Finclude/net/mac80211.h ieee80211_tx_rate | ||
| 335 | !Finclude/net/mac80211.h ieee80211_tx_info | 335 | !Finclude/net/mac80211.h ieee80211_tx_info |
| 336 | !Finclude/net/mac80211.h ieee80211_tx_info_clear_status | ||
| 336 | !Finclude/net/mac80211.h ieee80211_rx | 337 | !Finclude/net/mac80211.h ieee80211_rx |
| 338 | !Finclude/net/mac80211.h ieee80211_rx_ni | ||
| 337 | !Finclude/net/mac80211.h ieee80211_rx_irqsafe | 339 | !Finclude/net/mac80211.h ieee80211_rx_irqsafe |
| 338 | !Finclude/net/mac80211.h ieee80211_tx_status | 340 | !Finclude/net/mac80211.h ieee80211_tx_status |
| 341 | !Finclude/net/mac80211.h ieee80211_tx_status_ni | ||
| 339 | !Finclude/net/mac80211.h ieee80211_tx_status_irqsafe | 342 | !Finclude/net/mac80211.h ieee80211_tx_status_irqsafe |
| 340 | !Finclude/net/mac80211.h ieee80211_rts_get | 343 | !Finclude/net/mac80211.h ieee80211_rts_get |
| 341 | !Finclude/net/mac80211.h ieee80211_rts_duration | 344 | !Finclude/net/mac80211.h ieee80211_rts_duration |
| @@ -346,6 +349,7 @@ · 4 unmodified lines | |||
| 346 | !Finclude/net/mac80211.h ieee80211_stop_queue | 349 | !Finclude/net/mac80211.h ieee80211_stop_queue |
| 347 | !Finclude/net/mac80211.h ieee80211_wake_queues | 350 | !Finclude/net/mac80211.h ieee80211_wake_queues |
| 348 | !Finclude/net/mac80211.h ieee80211_stop_queues | 351 | !Finclude/net/mac80211.h ieee80211_stop_queues |
| 352 | !Finclude/net/mac80211.h ieee80211_queue_stopped | ||
| 349 | </sect1> | 353 | </sect1> |
| 350 | </chapter> | 354 | </chapter> |
| 351 | 355 | ||
| @@ -354,6 +358,13 @@ · 2 unmodified lines | |||
| 354 | !Pinclude/net/mac80211.h Frame filtering | 358 | !Pinclude/net/mac80211.h Frame filtering |
| 355 | !Finclude/net/mac80211.h ieee80211_filter_flags | 359 | !Finclude/net/mac80211.h ieee80211_filter_flags |
| 356 | </chapter> | 360 | </chapter> |
| 361 | |||
| 362 | <chapter id="workqueue"> | ||
| 363 | <title>The mac80211 workqueue</title> | ||
| 364 | !Pinclude/net/mac80211.h mac80211 workqueue | ||
| 365 | !Finclude/net/mac80211.h ieee80211_queue_work | ||
| 366 | !Finclude/net/mac80211.h ieee80211_queue_delayed_work | ||
| 367 | </chapter> | ||
| 357 | </part> | 368 | </part> |
| 358 | 369 | ||
| 359 | <part id="advanced"> | 370 | <part id="advanced"> |
| @@ -367,6 +378,23 @@ · 7 unmodified lines | |||
| 367 | </para> | 378 | </para> |
| 368 | </partintro> | 379 | </partintro> |
| 369 | 380 | ||
| 381 | <chapter id="led-support"> | ||
| 382 | <title>LED support</title> | ||
| 383 | <para> | ||
| 384 | Mac80211 supports various ways of blinking LEDs. Wherever possible, | ||
| 385 | device LEDs should be exposed as LED class devices and hooked up to | ||
| 386 | the appropriate trigger, which will then be triggered appropriately | ||
| 387 | by mac80211. | ||
| 388 | </para> | ||
| 389 | !Finclude/net/mac80211.h ieee80211_get_tx_led_name | ||
| 390 | !Finclude/net/mac80211.h ieee80211_get_rx_led_name | ||
| 391 | !Finclude/net/mac80211.h ieee80211_get_assoc_led_name | ||
| 392 | !Finclude/net/mac80211.h ieee80211_get_radio_led_name | ||
| 393 | !Finclude/net/mac80211.h ieee80211_tpt_blink | ||
| 394 | !Finclude/net/mac80211.h ieee80211_tpt_led_trigger_flags | ||
| 395 | !Finclude/net/mac80211.h ieee80211_create_tpt_led_trigger | ||
| 396 | </chapter> | ||
| 397 | |||
| 370 | <chapter id="hardware-crypto-offload"> | 398 | <chapter id="hardware-crypto-offload"> |
| 371 | <title>Hardware crypto acceleration</title> | 399 | <title>Hardware crypto acceleration</title> |
| 372 | !Pinclude/net/mac80211.h Hardware crypto acceleration | 400 | !Pinclude/net/mac80211.h Hardware crypto acceleration |
| @@ -374,6 +402,9 @@ · 1 unmodified line | |||
| 374 | !Finclude/net/mac80211.h set_key_cmd | 402 | !Finclude/net/mac80211.h set_key_cmd |
| 375 | !Finclude/net/mac80211.h ieee80211_key_conf | 403 | !Finclude/net/mac80211.h ieee80211_key_conf |
| 376 | !Finclude/net/mac80211.h ieee80211_key_flags | 404 | !Finclude/net/mac80211.h ieee80211_key_flags |
| 405 | !Finclude/net/mac80211.h ieee80211_tkip_key_type | ||
| 406 | !Finclude/net/mac80211.h ieee80211_get_tkip_key | ||
| 407 | !Finclude/net/mac80211.h ieee80211_key_removed | ||
| 377 | </chapter> | 408 | </chapter> |
| 378 | 409 | ||
| 379 | <chapter id="powersave"> | 410 | <chapter id="powersave"> |
| @@ -417,6 +448,18 @@ · 37 unmodified lines | |||
| 417 | supported by mac80211, add notes about supporting hw crypto | 448 | supported by mac80211, add notes about supporting hw crypto |
| 418 | with it. | 449 | with it. |
| 419 | </para> | 450 | </para> |
| 451 | !Finclude/net/mac80211.h ieee80211_iterate_active_interfaces | ||
| 452 | !Finclude/net/mac80211.h ieee80211_iterate_active_interfaces_atomic | ||
| 453 | </chapter> | ||
| 454 | |||
| 455 | <chapter id="station-handling"> | ||
| 456 | <title>Station handling</title> | ||
| 457 | <para>TODO</para> | ||
| 458 | !Finclude/net/mac80211.h ieee80211_sta | ||
| 459 | !Finclude/net/mac80211.h sta_notify_cmd | ||
| 460 | !Finclude/net/mac80211.h ieee80211_find_sta | ||
| 461 | !Finclude/net/mac80211.h ieee80211_find_sta_by_ifaddr | ||
| 462 | !Finclude/net/mac80211.h ieee80211_sta_block_awake | ||
| 420 | </chapter> | 463 | </chapter> |
| 421 | 464 | ||
| 422 | <chapter id="hardware-scan-offload"> | 465 | <chapter id="hardware-scan-offload"> |
| @@ -424,6 +467,28 @@ · 1 unmodified line | |||
| 424 | <para>TBD</para> | 467 | <para>TBD</para> |
| 425 | !Finclude/net/mac80211.h ieee80211_scan_completed | 468 | !Finclude/net/mac80211.h ieee80211_scan_completed |
| 426 | </chapter> | 469 | </chapter> |
| 470 | |||
| 471 | <chapter id="aggregation"> | ||
| 472 | <title>Aggregation</title> | ||
| 473 | <sect1> | ||
| 474 | <title>TX A-MPDU aggregation</title> | ||
| 475 | !Pnet/mac80211/agg-tx.c TX A-MPDU aggregation | ||
| 476 | !Cnet/mac80211/agg-tx.c | ||
| 477 | </sect1> | ||
| 478 | <sect1> | ||
| 479 | <title>RX A-MPDU aggregation</title> | ||
| 480 | !Pnet/mac80211/agg-rx.c RX A-MPDU aggregation | ||
| 481 | !Cnet/mac80211/agg-rx.c | ||
| 482 | </sect1> | ||
| 483 | !Finclude/net/mac80211.h ieee80211_ampdu_mlme_action | ||
| 484 | </chapter> | ||
| 485 | |||
| 486 | <chapter id="smps"> | ||
| 487 | <title>Spatial Multiplexing Powersave (SMPS)</title> | ||
| 488 | !Pinclude/net/mac80211.h Spatial multiplexing power save | ||
| 489 | !Finclude/net/mac80211.h ieee80211_request_smps | ||
| 490 | !Finclude/net/mac80211.h ieee80211_smps_mode | ||
| 491 | </chapter> | ||
| 427 | </part> | 492 | </part> |
| 428 | 493 | ||
| 429 | <part id="rate-control"> | 494 | <part id="rate-control"> |
| @@ -435,9 +500,16 @@ · 5 unmodified lines | |||
| 435 | interface and how it relates to mac80211 and drivers. | 500 | interface and how it relates to mac80211 and drivers. |
| 436 | </para> | 501 | </para> |
| 437 | </partintro> | 502 | </partintro> |
| 438 | <chapter id="dummy"> | 503 | <chapter id="ratecontrol-api"> |
| 439 | <title>dummy chapter</title> | 504 | <title>Rate Control API</title> |
| 440 | <para>TBD</para> | 505 | <para>TBD</para> |
| 506 | !Finclude/net/mac80211.h ieee80211_start_tx_ba_session | ||
| 507 | !Finclude/net/mac80211.h ieee80211_start_tx_ba_cb_irqsafe | ||
| 508 | !Finclude/net/mac80211.h ieee80211_stop_tx_ba_session | ||
| 509 | !Finclude/net/mac80211.h ieee80211_stop_tx_ba_cb_irqsafe | ||
| 510 | !Finclude/net/mac80211.h rate_control_changed | ||
| 511 | !Finclude/net/mac80211.h ieee80211_tx_rate_control | ||
| 512 | !Finclude/net/mac80211.h rate_control_send_low | ||
| 441 | </chapter> | 513 | </chapter> |
| 442 | </part> | 514 | </part> |
| 443 | 515 | ||
| @@ -485,6 +557,13 @@ · 41 unmodified lines | |||
| 485 | </sect1> | 557 | </sect1> |
| 486 | </chapter> | 558 | </chapter> |
| 487 | 559 | ||
| 560 | <chapter id="aggregation-internals"> | ||
| 561 | <title>Aggregation</title> | ||
| 562 | !Fnet/mac80211/sta_info.h sta_ampdu_mlme | ||
| 563 | !Fnet/mac80211/sta_info.h tid_ampdu_tx | ||
| 564 | !Fnet/mac80211/sta_info.h tid_ampdu_rx | ||
| 565 | </chapter> | ||
| 566 | |||
| 488 | <chapter id="synchronisation"> | 567 | <chapter id="synchronisation"> |
| 489 | <title>Synchronisation</title> | 568 | <title>Synchronisation</title> |
| 490 | <para>TBD</para> | 569 | <para>TBD</para> |
| @@ -217,8 +217,8 @@ X!Isound/sound_firmware.c · 216 unmodified lines | |||
| 217 | <chapter id="uart16x50"> | 217 | <chapter id="uart16x50"> |
| 218 | <title>16x50 UART Driver</title> | 218 | <title>16x50 UART Driver</title> |
| 219 | !Iinclude/linux/serial_core.h | 219 | !Iinclude/linux/serial_core.h |
| 220 | !Edrivers/serial/serial_core.c | 220 | !Edrivers/tty/serial/serial_core.c |
| 221 | !Edrivers/serial/8250.c | 221 | !Edrivers/tty/serial/8250.c |
| 222 | </chapter> | 222 | </chapter> |
| 223 | 223 | ||
| 224 | <chapter id="fbdev"> | 224 | <chapter id="fbdev"> |
| @@ -303,6 +303,10 @@ X!Idrivers/video/console/fonts.c · 78 unmodified lines | |||
| 303 | !Edrivers/input/input.c | 303 | !Edrivers/input/input.c |
| 304 | !Edrivers/input/ff-core.c | 304 | !Edrivers/input/ff-core.c |
| 305 | !Edrivers/input/ff-memless.c | 305 | !Edrivers/input/ff-memless.c |
| 306 | </sect1> | ||
| 307 | <sect1><title>Multitouch Library</title> | ||
| 308 | !Iinclude/linux/input/mt.h | ||
| 309 | !Edrivers/input/input-mt.c | ||
| 306 | </sect1> | 310 | </sect1> |
| 307 | <sect1><title>Polled input devices</title> | 311 | <sect1><title>Polled input devices</title> |
| 308 | !Iinclude/linux/input-polldev.h | 312 | !Iinclude/linux/input-polldev.h |
| @@ -73,8 +73,8 @@ · 72 unmodified lines | |||
| 73 | services. | 73 | services. |
| 74 | </para> | 74 | </para> |
| 75 | <para> | 75 | <para> |
| 76 | The core of every DRM driver is struct drm_device. Drivers | 76 | The core of every DRM driver is struct drm_driver. Drivers |
| 77 | will typically statically initialize a drm_device structure, | 77 | will typically statically initialize a drm_driver structure, |
| 78 | then pass it to drm_init() at load time. | 78 | then pass it to drm_init() at load time. |
| 79 | </para> | 79 | </para> |
| 80 | 80 | ||
| @@ -84,7 +84,7 @@ · 3 unmodified lines | |||
| 84 | <title>Driver initialization</title> | 84 | <title>Driver initialization</title> |
| 85 | <para> | 85 | <para> |
| 86 | Before calling the DRM initialization routines, the driver must | 86 | Before calling the DRM initialization routines, the driver must |
| 87 | first create and fill out a struct drm_device structure. | 87 | first create and fill out a struct drm_driver structure. |
| 88 | </para> | 88 | </para> |
| 89 | <programlisting> | 89 | <programlisting> |
| 90 | static struct drm_driver driver = { | 90 | static struct drm_driver driver = { |
| @@ -28,7 +28,7 @@ · 27 unmodified lines | |||
| 28 | <holder>Convergence GmbH</holder> | 28 | <holder>Convergence GmbH</holder> |
| 29 | </copyright> | 29 | </copyright> |
| 30 | <copyright> | 30 | <copyright> |
| 31 | <year>2009-2010</year> | 31 | <year>2009-2011</year> |
| 32 | <holder>Mauro Carvalho Chehab</holder> | 32 | <holder>Mauro Carvalho Chehab</holder> |
| 33 | </copyright> | 33 | </copyright> |
| 34 | 34 | ||
| @@ -82,6 +82,11 @@ · 81 unmodified lines | |||
| 82 | </sect1> | 82 | </sect1> |
| 83 | </chapter> | 83 | </chapter> |
| 84 | 84 | ||
| 85 | <chapter id="fs_events"> | ||
| 86 | <title>Events based on file descriptors</title> | ||
| 87 | !Efs/eventfd.c | ||
| 88 | </chapter> | ||
| 89 | |||
| 85 | <chapter id="sysfs"> | 90 | <chapter id="sysfs"> |
| 86 | <title>The Filesystem for Exporting Kernel Objects</title> | 91 | <title>The Filesystem for Exporting Kernel Objects</title> |
| 87 | !Efs/sysfs/file.c | 92 | !Efs/sysfs/file.c |
| @@ -28,7 +28,7 @@ · 27 unmodified lines | |||
| 28 | <title>LINUX MEDIA INFRASTRUCTURE API</title> | 28 | <title>LINUX MEDIA INFRASTRUCTURE API</title> |
| 29 | 29 | ||
| 30 | <copyright> | 30 | <copyright> |
| 31 | <year>2009-2010</year> | 31 | <year>2009-2011</year> |
| 32 | <holder>LinuxTV Developers</holder> | 32 | <holder>LinuxTV Developers</holder> |
| 33 | </copyright> | 33 | </copyright> |
| 34 | 34 | ||
| @@ -86,7 +86,7 @@ Foundation. A copy of the license is included in the chapter entitled · 51 unmodified lines | |||
| 86 | </author> | 86 | </author> |
| 87 | </authorgroup> | 87 | </authorgroup> |
| 88 | <copyright> | 88 | <copyright> |
| 89 | <year>2009-2010</year> | 89 | <year>2009-2011</year> |
| 90 | <holder>Mauro Carvalho Chehab</holder> | 90 | <holder>Mauro Carvalho Chehab</holder> |
| 91 | </copyright> | 91 | </copyright> |
| 92 | 92 | ||
| @@ -250,7 +250,7 @@ static void board_hwcontrol(struct mtd_info *mtd, int cmd) · 249 unmodified lines | |||
| 250 | <title>Device ready function</title> | 250 | <title>Device ready function</title> |
| 251 | <para> | 251 | <para> |
| 252 | If the hardware interface has the ready busy pin of the NAND chip connected to a | 252 | If the hardware interface has the ready busy pin of the NAND chip connected to a |
| 253 | GPIO or other accesible I/O pin, this function is used to read back the state of the | 253 | GPIO or other accessible I/O pin, this function is used to read back the state of the |
| 254 | pin. The function has no arguments and should return 0, if the device is busy (R/B pin | 254 | pin. The function has no arguments and should return 0, if the device is busy (R/B pin |
| 255 | is low) and 1, if the device is ready (R/B pin is high). | 255 | is low) and 1, if the device is ready (R/B pin is high). |
| 256 | If the hardware interface does not give access to the ready busy pin, then | 256 | If the hardware interface does not give access to the ready busy pin, then |
| @@ -75,6 +75,7 @@ as follows:</para> · 74 unmodified lines | |||
| 75 | </section> | 75 | </section> |
| 76 | 76 | ||
| 77 | <section> | 77 | <section> |
| 78 | <title>RDS datastructures</title> | ||
| 78 | <table frame="none" pgwide="1" id="v4l2-rds-data"> | 79 | <table frame="none" pgwide="1" id="v4l2-rds-data"> |
| 79 | <title>struct | 80 | <title>struct |
| 80 | <structname>v4l2_rds_data</structname></title> | 81 | <structname>v4l2_rds_data</structname></title> |
| @@ -129,10 +130,11 @@ as follows:</para> · 48 unmodified lines | |||
| 129 | 130 | ||
| 130 | <table frame="none" pgwide="1" id="v4l2-rds-block-codes"> | 131 | <table frame="none" pgwide="1" id="v4l2-rds-block-codes"> |
| 131 | <title>Block defines</title> | 132 | <title>Block defines</title> |
| 132 | <tgroup cols="3"> | 133 | <tgroup cols="4"> |
| 133 | <colspec colname="c1" colwidth="1*" /> | 134 | <colspec colname="c1" colwidth="1*" /> |
| 134 | <colspec colname="c2" colwidth="1*" /> | 135 | <colspec colname="c2" colwidth="1*" /> |
| 135 | <colspec colname="c3" colwidth="5*" /> | 136 | <colspec colname="c3" colwidth="1*" /> |
| 137 | <colspec colname="c4" colwidth="5*" /> | ||
| 136 | <tbody valign="top"> | 138 | <tbody valign="top"> |
| 137 | <row> | 139 | <row> |
| 138 | <entry>V4L2_RDS_BLOCK_MSK</entry> | 140 | <entry>V4L2_RDS_BLOCK_MSK</entry> |
| @@ -34,8 +34,7 @@ · 33 unmodified lines | |||
| 34 | <varlistentry> | 34 | <varlistentry> |
| 35 | <term><parameter>request</parameter></term> | 35 | <term><parameter>request</parameter></term> |
| 36 | <listitem> | 36 | <listitem> |
| 37 | <para>V4L2 ioctl request code as defined in the <link | 37 | <para>V4L2 ioctl request code as defined in the <filename>videodev2.h</filename> header file, for example |
| 38 | linkend="videodev">videodev.h</link> header file, for example | ||
| 39 | VIDIOC_QUERYCAP.</para> | 38 | VIDIOC_QUERYCAP.</para> |
| 40 | </listitem> | 39 | </listitem> |
| 41 | </varlistentry> | 40 | </varlistentry> |
| @@ -57,7 +56,7 @@ file descriptor. An ioctl <parameter>request</parameter> has encoded · 15 unmodified lines | |||
| 57 | in it whether the argument is an input, output or read/write | 56 | in it whether the argument is an input, output or read/write |
| 58 | parameter, and the size of the argument <parameter>argp</parameter> in | 57 | parameter, and the size of the argument <parameter>argp</parameter> in |
| 59 | bytes. Macros and defines specifying V4L2 ioctl requests are located | 58 | bytes. Macros and defines specifying V4L2 ioctl requests are located |
| 60 | in the <link linkend="videodev">videodev.h</link> header file. | 59 | in the <filename>videodev2.h</filename> header file. |
| 61 | Applications should use their own copy, not include the version in the | 60 | Applications should use their own copy, not include the version in the |
| 62 | kernel sources on the system they compile on. All V4L2 ioctl requests, | 61 | kernel sources on the system they compile on. All V4L2 ioctl requests, |
| 63 | their respective function and parameters are specified in <xref | 62 | their respective function and parameters are specified in <xref |
| @@ -142,8 +142,8 @@ leftmost pixel of the second row from the top, and so on. The last row · 141 unmodified lines | |||
| 142 | has just as many pad bytes after it as the other rows.</para> | 142 | has just as many pad bytes after it as the other rows.</para> |
| 143 | 143 | ||
| 144 | <para>In V4L2 each format has an identifier which looks like | 144 | <para>In V4L2 each format has an identifier which looks like |
| 145 | <constant>PIX_FMT_XXX</constant>, defined in the <link | 145 | <constant>PIX_FMT_XXX</constant>, defined in the <filename>videodev2.h</filename> |
| 146 | linkend="videodev">videodev.h</link> header file. These identifiers | 146 | header file. These identifiers |
| 147 | represent <link linkend="v4l2-fourcc">four character codes</link> | 147 | represent <link linkend="v4l2-fourcc">four character codes</link> |
| 148 | which are also listed below, however they are not the same as those | 148 | which are also listed below, however they are not the same as those |
| 149 | used in the Windows world.</para> | 149 | used in the Windows world.</para> |
| @@ -100,6 +100,7 @@ Remote Controller chapter.</contrib> · 99 unmodified lines | |||
| 100 | <year>2008</year> | 100 | <year>2008</year> |
| 101 | <year>2009</year> | 101 | <year>2009</year> |
| 102 | <year>2010</year> | 102 | <year>2010</year> |
| 103 | <year>2011</year> | ||
| 103 | <holder>Bill Dirks, Michael H. Schimek, Hans Verkuil, Martin | 104 | <holder>Bill Dirks, Michael H. Schimek, Hans Verkuil, Martin |
| 104 | Rubli, Andy Walls, Muralidharan Karicheri, Mauro Carvalho Chehab</holder> | 105 | Rubli, Andy Walls, Muralidharan Karicheri, Mauro Carvalho Chehab</holder> |
| 105 | </copyright> | 106 | </copyright> |
| @@ -381,7 +382,7 @@ and discussions on the V4L mailing list.</revremark> · 275 unmodified lines | |||
| 381 | </partinfo> | 382 | </partinfo> |
| 382 | 383 | ||
| 383 | <title>Video for Linux Two API Specification</title> | 384 | <title>Video for Linux Two API Specification</title> |
| 384 | <subtitle>Revision 2.6.33</subtitle> | 385 | <subtitle>Revision 2.6.38</subtitle> |
| 385 | 386 | ||
| 386 | <chapter id="common"> | 387 | <chapter id="common"> |
| 387 | &sub-common; | 388 | &sub-common; |
| @@ -533,6 +533,33 @@ completion during sending a panic event. · 532 unmodified lines | |||
| 533 | Other Pieces | 533 | Other Pieces |
| 534 | ------------ | 534 | ------------ |
| 535 | 535 | ||
| 536 | Get the detailed info related with the IPMI device | ||
| 537 | -------------------------------------------------- | ||
| 538 | |||
| 539 | Some users need more detailed information about a device, like where | ||
| 540 | the address came from or the raw base device for the IPMI interface. | ||
| 541 | You can use the IPMI smi_watcher to catch the IPMI interfaces as they | ||
| 542 | come or go, and to grab the information, you can use the function | ||
| 543 | ipmi_get_smi_info(), which returns the following structure: | ||
| 544 | |||
| 545 | struct ipmi_smi_info { | ||
| 546 | enum ipmi_addr_src addr_src; | ||
| 547 | struct device *dev; | ||
| 548 | union { | ||
| 549 | struct { | ||
| 550 | void *acpi_handle; | ||
| 551 | } acpi_info; | ||
| 552 | } addr_info; | ||
| 553 | }; | ||
| 554 | |||
| 555 | Currently special info for only for SI_ACPI address sources is | ||
| 556 | returned. Others may be added as necessary. | ||
| 557 | |||
| 558 | Note that the dev pointer is included in the above structure, and | ||
| 559 | assuming ipmi_smi_get_info returns success, you must call put_device | ||
| 560 | on the dev pointer. | ||
| 561 | |||
| 562 | |||
| 536 | Watchdog | 563 | Watchdog |
| 537 | -------- | 564 | -------- |
| 538 | 565 | ||
| @@ -1,3 +1,3 @@ | |||
| 1 | obj-m := DocBook/ accounting/ auxdisplay/ connector/ \ | 1 | obj-m := DocBook/ accounting/ auxdisplay/ connector/ \ |
| 2 | filesystems/ filesystems/configfs/ ia64/ laptops/ networking/ \ | 2 | filesystems/ filesystems/configfs/ ia64/ laptops/ networking/ \ |
| 3 | pcmcia/ spi/ timers/ video4linux/ vm/ watchdog/src/ | 3 | pcmcia/ spi/ timers/ vm/ watchdog/src/ |
| @@ -1,18 +1,22 @@ | |||
| 1 | CONFIG_RCU_TRACE debugfs Files and Formats | 1 | CONFIG_RCU_TRACE debugfs Files and Formats |
| 2 | 2 | ||
| 3 | 3 | ||
| 4 | The rcutree implementation of RCU provides debugfs trace output that | 4 | The rcutree and rcutiny implementations of RCU provide debugfs trace |
| 5 | summarizes counters and state. This information is useful for debugging | 5 | output that summarizes counters and state. This information is useful for |
| 6 | RCU itself, and can sometimes also help to debug abuses of RCU. | 6 | debugging RCU itself, and can sometimes also help to debug abuses of RCU. |
| 7 | The following sections describe the debugfs files and formats. | 7 | The following sections describe the debugfs files and formats, first |
| 8 | for rcutree and next for rcutiny. | ||
| 8 | 9 | ||
| 9 | 10 | ||
| 10 | Hierarchical RCU debugfs Files and Formats | 11 | CONFIG_TREE_RCU and CONFIG_TREE_PREEMPT_RCU debugfs Files and Formats |
| 11 | 12 | ||
| 12 | This implementation of RCU provides three debugfs files under the | 13 | These implementations of RCU provides five debugfs files under the |
| 13 | top-level directory RCU: rcu/rcudata (which displays fields in struct | 14 | top-level directory RCU: rcu/rcudata (which displays fields in struct |
| 14 | rcu_data), rcu/rcugp (which displays grace-period counters), and | 15 | rcu_data), rcu/rcudata.csv (which is a .csv spreadsheet version of |
| 15 | rcu/rcuhier (which displays the struct rcu_node hierarchy). | 16 | rcu/rcudata), rcu/rcugp (which displays grace-period counters), |
| 17 | rcu/rcuhier (which displays the struct rcu_node hierarchy), and | ||
| 18 | rcu/rcu_pending (which displays counts of the reasons that the | ||
| 19 | rcu_pending() function decided that there was core RCU work to do). | ||
| 16 | 20 | ||
| 17 | The output of "cat rcu/rcudata" looks as follows: | 21 | The output of "cat rcu/rcudata" looks as follows: |
| 18 | 22 | ||
| @@ -130,7 +134,8 @@ o "ci" is the number of RCU callbacks that have been invoked for · 111 unmodified lines | |||
| 130 | been registered in absence of CPU-hotplug activity. | 134 | been registered in absence of CPU-hotplug activity. |
| 131 | 135 | ||
| 132 | o "co" is the number of RCU callbacks that have been orphaned due to | 136 | o "co" is the number of RCU callbacks that have been orphaned due to |
| 133 | this CPU going offline. | 137 | this CPU going offline. These orphaned callbacks have been moved |
| 138 | to an arbitrarily chosen online CPU. | ||
| 134 | 139 | ||
| 135 | o "ca" is the number of RCU callbacks that have been adopted due to | 140 | o "ca" is the number of RCU callbacks that have been adopted due to |
| 136 | other CPUs going offline. Note that ci+co-ca+ql is the number of | 141 | other CPUs going offline. Note that ci+co-ca+ql is the number of |
| @@ -168,12 +173,12 @@ o "gpnum" is the number of grace periods that have started. It is · 31 unmodified lines | |||
| 168 | 173 | ||
| 169 | The output of "cat rcu/rcuhier" looks as follows, with very long lines: | 174 | The output of "cat rcu/rcuhier" looks as follows, with very long lines: |
| 170 | 175 | ||
| 171 | c=6902 g=6903 s=2 jfq=3 j=72c7 nfqs=13142/nfqsng=0(13142) fqlh=6 oqlen=0 | 176 | c=6902 g=6903 s=2 jfq=3 j=72c7 nfqs=13142/nfqsng=0(13142) fqlh=6 |
| 172 | 1/1 .>. 0:127 ^0 | 177 | 1/1 .>. 0:127 ^0 |
| 173 | 3/3 .>. 0:35 ^0 0/0 .>. 36:71 ^1 0/0 .>. 72:107 ^2 0/0 .>. 108:127 ^3 | 178 | 3/3 .>. 0:35 ^0 0/0 .>. 36:71 ^1 0/0 .>. 72:107 ^2 0/0 .>. 108:127 ^3 |
| 174 | 3/3f .>. 0:5 ^0 2/3 .>. 6:11 ^1 0/0 .>. 12:17 ^2 0/0 .>. 18:23 ^3 0/0 .>. 24:29 ^4 0/0 .>. 30:35 ^5 0/0 .>. 36:41 ^0 0/0 .>. 42:47 ^1 0/0 .>. 48:53 ^2 0/0 .>. 54:59 ^3 0/0 .>. 60:65 ^4 0/0 .>. 66:71 ^5 0/0 .>. 72:77 ^0 0/0 .>. 78:83 ^1 0/0 .>. 84:89 ^2 0/0 .>. 90:95 ^3 0/0 .>. 96:101 ^4 0/0 .>. 102:107 ^5 0/0 .>. 108:113 ^0 0/0 .>. 114:119 ^1 0/0 .>. 120:125 ^2 0/0 .>. 126:127 ^3 | 179 | 3/3f .>. 0:5 ^0 2/3 .>. 6:11 ^1 0/0 .>. 12:17 ^2 0/0 .>. 18:23 ^3 0/0 .>. 24:29 ^4 0/0 .>. 30:35 ^5 0/0 .>. 36:41 ^0 0/0 .>. 42:47 ^1 0/0 .>. 48:53 ^2 0/0 .>. 54:59 ^3 0/0 .>. 60:65 ^4 0/0 .>. 66:71 ^5 0/0 .>. 72:77 ^0 0/0 .>. 78:83 ^1 0/0 .>. 84:89 ^2 0/0 .>. 90:95 ^3 0/0 .>. 96:101 ^4 0/0 .>. 102:107 ^5 0/0 .>. 108:113 ^0 0/0 .>. 114:119 ^1 0/0 .>. 120:125 ^2 0/0 .>. 126:127 ^3 |
| 175 | rcu_bh: | 180 | rcu_bh: |
| 176 | c=-226 g=-226 s=1 jfq=-5701 j=72c7 nfqs=88/nfqsng=0(88) fqlh=0 oqlen=0 | 181 | c=-226 g=-226 s=1 jfq=-5701 j=72c7 nfqs=88/nfqsng=0(88) fqlh=0 |
| 177 | 0/1 .>. 0:127 ^0 | 182 | 0/1 .>. 0:127 ^0 |
| 178 | 0/3 .>. 0:35 ^0 0/0 .>. 36:71 ^1 0/0 .>. 72:107 ^2 0/0 .>. 108:127 ^3 | 183 | 0/3 .>. 0:35 ^0 0/0 .>. 36:71 ^1 0/0 .>. 72:107 ^2 0/0 .>. 108:127 ^3 |
| 179 | 0/3f .>. 0:5 ^0 0/3 .>. 6:11 ^1 0/0 .>. 12:17 ^2 0/0 .>. 18:23 ^3 0/0 .>. 24:29 ^4 0/0 .>. 30:35 ^5 0/0 .>. 36:41 ^0 0/0 .>. 42:47 ^1 0/0 .>. 48:53 ^2 0/0 .>. 54:59 ^3 0/0 .>. 60:65 ^4 0/0 .>. 66:71 ^5 0/0 .>. 72:77 ^0 0/0 .>. 78:83 ^1 0/0 .>. 84:89 ^2 0/0 .>. 90:95 ^3 0/0 .>. 96:101 ^4 0/0 .>. 102:107 ^5 0/0 .>. 108:113 ^0 0/0 .>. 114:119 ^1 0/0 .>. 120:125 ^2 0/0 .>. 126:127 ^3 | 184 | 0/3f .>. 0:5 ^0 0/3 .>. 6:11 ^1 0/0 .>. 12:17 ^2 0/0 .>. 18:23 ^3 0/0 .>. 24:29 ^4 0/0 .>. 30:35 ^5 0/0 .>. 36:41 ^0 0/0 .>. 42:47 ^1 0/0 .>. 48:53 ^2 0/0 .>. 54:59 ^3 0/0 .>. 60:65 ^4 0/0 .>. 66:71 ^5 0/0 .>. 72:77 ^0 0/0 .>. 78:83 ^1 0/0 .>. 84:89 ^2 0/0 .>. 90:95 ^3 0/0 .>. 96:101 ^4 0/0 .>. 102:107 ^5 0/0 .>. 108:113 ^0 0/0 .>. 114:119 ^1 0/0 .>. 120:125 ^2 0/0 .>. 126:127 ^3 |
| @@ -212,11 +217,6 @@ o "fqlh" is the number of calls to force_quiescent_state() that · 32 unmodified lines | |||
| 212 | exited immediately (without even being counted in nfqs above) | 217 | exited immediately (without even being counted in nfqs above) |
| 213 | due to contention on ->fqslock. | 218 | due to contention on ->fqslock. |
| 214 | 219 | ||
| 215 | o "oqlen" is the number of callbacks on the "orphan" callback | ||
| 216 | list. RCU callbacks are placed on this list by CPUs going | ||
| 217 | offline, and are "adopted" either by the CPU helping the outgoing | ||
| 218 | CPU or by the next rcu_barrier*() call, whichever comes first. | ||
| 219 | |||
| 220 | o Each element of the form "1/1 0:127 ^0" represents one struct | 220 | o Each element of the form "1/1 0:127 ^0" represents one struct |
| 221 | rcu_node. Each line represents one level of the hierarchy, from | 221 | rcu_node. Each line represents one level of the hierarchy, from |
| 222 | root to leaves. It is best to think of the rcu_data structures | 222 | root to leaves. It is best to think of the rcu_data structures |
| @@ -326,3 +326,115 @@ o "nn" is the number of times that this CPU needed nothing. Alert · 103 unmodified lines | |||
| 326 | readers will note that the rcu "nn" number for a given CPU very | 326 | readers will note that the rcu "nn" number for a given CPU very |
| 327 | closely matches the rcu_bh "np" number for that same CPU. This | 327 | closely matches the rcu_bh "np" number for that same CPU. This |
| 328 | is due to short-circuit evaluation in rcu_pending(). | 328 | is due to short-circuit evaluation in rcu_pending(). |
| 329 | |||
| 330 | |||
| 331 | CONFIG_TINY_RCU and CONFIG_TINY_PREEMPT_RCU debugfs Files and Formats | ||
| 332 | |||
| 333 | These implementations of RCU provides a single debugfs file under the | ||
| 334 | top-level directory RCU, namely rcu/rcudata, which displays fields in | ||
| 335 | rcu_bh_ctrlblk, rcu_sched_ctrlblk and, for CONFIG_TINY_PREEMPT_RCU, | ||
| 336 | rcu_preempt_ctrlblk. | ||
| 337 | |||
| 338 | The output of "cat rcu/rcudata" is as follows: | ||
| 339 | |||
| 340 | rcu_preempt: qlen=24 gp=1097669 g197/p197/c197 tasks=... | ||
| 341 | ttb=. btg=no ntb=184 neb=0 nnb=183 j=01f7 bt=0274 | ||
| 342 | normal balk: nt=1097669 gt=0 bt=371 b=0 ny=25073378 nos=0 | ||
| 343 | exp balk: bt=0 nos=0 | ||
| 344 | rcu_sched: qlen: 0 | ||
| 345 | rcu_bh: qlen: 0 | ||
| 346 | |||
| 347 | This is split into rcu_preempt, rcu_sched, and rcu_bh sections, with the | ||
| 348 | rcu_preempt section appearing only in CONFIG_TINY_PREEMPT_RCU builds. | ||
| 349 | The last three lines of the rcu_preempt section appear only in | ||
| 350 | CONFIG_RCU_BOOST kernel builds. The fields are as follows: | ||
| 351 | |||
| 352 | o "qlen" is the number of RCU callbacks currently waiting either | ||
| 353 | for an RCU grace period or waiting to be invoked. This is the | ||
| 354 | only field present for rcu_sched and rcu_bh, due to the | ||
| 355 | short-circuiting of grace period in those two cases. | ||
| 356 | |||
| 357 | o "gp" is the number of grace periods that have completed. | ||
| 358 | |||
| 359 | o "g197/p197/c197" displays the grace-period state, with the | ||
| 360 | "g" number being the number of grace periods that have started | ||
| 361 | (mod 256), the "p" number being the number of grace periods | ||
| 362 | that the CPU has responded to (also mod 256), and the "c" | ||
| 363 | number being the number of grace periods that have completed | ||
| 364 | (once again mode 256). | ||
| 365 | |||
| 366 | Why have both "gp" and "g"? Because the data flowing into | ||
| 367 | "gp" is only present in a CONFIG_RCU_TRACE kernel. | ||
| 368 | |||
| 369 | o "tasks" is a set of bits. The first bit is "T" if there are | ||
| 370 | currently tasks that have recently blocked within an RCU | ||
| 371 | read-side critical section, the second bit is "N" if any of the | ||
| 372 | aforementioned tasks are blocking the current RCU grace period, | ||
| 373 | and the third bit is "E" if any of the aforementioned tasks are | ||
| 374 | blocking the current expedited grace period. Each bit is "." | ||
| 375 | if the corresponding condition does not hold. | ||
| 376 | |||
| 377 | o "ttb" is a single bit. It is "B" if any of the blocked tasks | ||
| 378 | need to be priority boosted and "." otherwise. | ||
| 379 | |||
| 380 | o "btg" indicates whether boosting has been carried out during | ||
| 381 | the current grace period, with "exp" indicating that boosting | ||
| 382 | is in progress for an expedited grace period, "no" indicating | ||
| 383 | that boosting has not yet started for a normal grace period, | ||
| 384 | "begun" indicating that boosting has bebug for a normal grace | ||
| 385 | period, and "done" indicating that boosting has completed for | ||
| 386 | a normal grace period. | ||
| 387 | |||
| 388 | o "ntb" is the total number of tasks subjected to RCU priority boosting | ||
| 389 | periods since boot. | ||
| 390 | |||
| 391 | o "neb" is the number of expedited grace periods that have had | ||
| 392 | to resort to RCU priority boosting since boot. | ||
| 393 | |||
| 394 | o "nnb" is the number of normal grace periods that have had | ||
| 395 | to resort to RCU priority boosting since boot. | ||
| 396 | |||
| 397 | o "j" is the low-order 12 bits of the jiffies counter in hexadecimal. | ||
| 398 | |||
| 399 | o "bt" is the low-order 12 bits of the value that the jiffies counter | ||
| 400 | will have at the next time that boosting is scheduled to begin. | ||
| 401 | |||
| 402 | o In the line beginning with "normal balk", the fields are as follows: | ||
| 403 | |||
| 404 | o "nt" is the number of times that the system balked from | ||
| 405 | boosting because there were no blocked tasks to boost. | ||
| 406 | Note that the system will balk from boosting even if the | ||
| 407 | grace period is overdue when the currently running task | ||
| 408 | is looping within an RCU read-side critical section. | ||
| 409 | There is no point in boosting in this case, because | ||
| 410 | boosting a running task won't make it run any faster. | ||
| 411 | |||
| 412 | o "gt" is the number of times that the system balked | ||
| 413 | from boosting because, although there were blocked tasks, | ||
| 414 | none of them were preventing the current grace period | ||
| 415 | from completing. | ||
| 416 | |||
| 417 | o "bt" is the number of times that the system balked | ||
| 418 | from boosting because boosting was already in progress. | ||
| 419 | |||
| 420 | o "b" is the number of times that the system balked from | ||
| 421 | boosting because boosting had already completed for | ||
| 422 | the grace period in question. | ||
| 423 | |||
| 424 | o "ny" is the number of times that the system balked from | ||
| 425 | boosting because it was not yet time to start boosting | ||
| 426 | the grace period in question. | ||
| 427 | |||
| 428 | o "nos" is the number of times that the system balked from | ||
| 429 | boosting for inexplicable ("not otherwise specified") | ||
| 430 | reasons. This can actually happen due to races involving | ||
| 431 | increments of the jiffies counter. | ||
| 432 | |||
| 433 | o In the line beginning with "exp balk", the fields are as follows: | ||
| 434 | |||
| 435 | o "bt" is the number of times that the system balked from | ||
| 436 | boosting because there were no blocked tasks to boost. | ||
| 437 | |||
| 438 | o "nos" is the number of times that the system balked from | ||
| 439 | boosting for inexplicable ("not otherwise specified") | ||
| 440 | reasons. | ||
| @@ -0,0 +1,122 @@ | |||
| 1 | APEI output format | ||
| 2 | ~~~~~~~~~~~~~~~~~~ | ||
| 3 | |||
| 4 | APEI uses printk as hardware error reporting interface, the output | ||
| 5 | format is as follow. | ||
| 6 | |||
| 7 | <error record> := | ||
| 8 | APEI generic hardware error status | ||
| 9 | severity: <integer>, <severity string> | ||
| 10 | section: <integer>, severity: <integer>, <severity string> | ||
| 11 | flags: <integer> | ||
| 12 | <section flags strings> | ||
| 13 | fru_id: <uuid string> | ||
| 14 | fru_text: <string> | ||
| 15 | section_type: <section type string> | ||
| 16 | <section data> | ||
| 17 | |||
| 18 | <severity string>* := recoverable | fatal | corrected | info | ||
| 19 | |||
| 20 | <section flags strings># := | ||
| 21 | [primary][, containment warning][, reset][, threshold exceeded]\ | ||
| 22 | [, resource not accessible][, latent error] | ||
| 23 | |||
| 24 | <section type string> := generic processor error | memory error | \ | ||
| 25 | PCIe error | unknown, <uuid string> | ||
| 26 | |||
| 27 | <section data> := | ||
| 28 | <generic processor section data> | <memory section data> | \ | ||
| 29 | <pcie section data> | <null> | ||
| 30 | |||
| 31 | <generic processor section data> := | ||
| 32 | [processor_type: <integer>, <proc type string>] | ||
| 33 | [processor_isa: <integer>, <proc isa string>] | ||
| 34 | [error_type: <integer> | ||
| 35 | <proc error type strings>] | ||
| 36 | [operation: <integer>, <proc operation string>] | ||
| 37 | [flags: <integer> | ||
| 38 | <proc flags strings>] | ||
| 39 | [level: <integer>] | ||
| 40 | [version_info: <integer>] | ||
| 41 | [processor_id: <integer>] | ||
| 42 | [target_address: <integer>] | ||
| 43 | [requestor_id: <integer>] | ||
| 44 | [responder_id: <integer>] | ||
| 45 | [IP: <integer>] | ||
| 46 | |||
| 47 | <proc type string>* := IA32/X64 | IA64 | ||
| 48 | |||
| 49 | <proc isa string>* := IA32 | IA64 | X64 | ||
| 50 | |||
| 51 | <processor error type strings># := | ||
| 52 | [cache error][, TLB error][, bus error][, micro-architectural error] | ||
| 53 | |||
| 54 | <proc operation string>* := unknown or generic | data read | data write | \ | ||
| 55 | instruction execution | ||
| 56 | |||
| 57 | <proc flags strings># := | ||
| 58 | [restartable][, precise IP][, overflow][, corrected] | ||
| 59 | |||
| 60 | <memory section data> := | ||
| 61 | [error_status: <integer>] | ||
| 62 | [physical_address: <integer>] | ||
| 63 | [physical_address_mask: <integer>] | ||
| 64 | [node: <integer>] | ||
| 65 | [card: <integer>] | ||
| 66 | [module: <integer>] | ||
| 67 | [bank: <integer>] | ||
| 68 | [device: <integer>] | ||
| 69 | [row: <integer>] | ||
| 70 | [column: <integer>] | ||
| 71 | [bit_position: <integer>] | ||
| 72 | [requestor_id: <integer>] | ||
| 73 | [responder_id: <integer>] | ||
| 74 | [target_id: <integer>] | ||
| 75 | [error_type: <integer>, <mem error type string>] | ||
| 76 | |||
| 77 | <mem error type string>* := | ||
| 78 | unknown | no error | single-bit ECC | multi-bit ECC | \ | ||
| 79 | single-symbol chipkill ECC | multi-symbol chipkill ECC | master abort | \ | ||
| 80 | target abort | parity error | watchdog timeout | invalid address | \ | ||
| 81 | mirror Broken | memory sparing | scrub corrected error | \ | ||
| 82 | scrub uncorrected error | ||
| 83 | |||
| 84 | <pcie section data> := | ||
| 85 | [port_type: <integer>, <pcie port type string>] | ||
| 86 | [version: <integer>.<integer>] | ||
| 87 | [command: <integer>, status: <integer>] | ||
| 88 | [device_id: <integer>:<integer>:<integer>.<integer> | ||
| 89 | slot: <integer> | ||
| 90 | secondary_bus: <integer> | ||
| 91 | vendor_id: <integer>, device_id: <integer> | ||
| 92 | class_code: <integer>] | ||
| 93 | [serial number: <integer>, <integer>] | ||
| 94 | [bridge: secondary_status: <integer>, control: <integer>] | ||
| 95 | |||
| 96 | <pcie port type string>* := PCIe end point | legacy PCI end point | \ | ||
| 97 | unknown | unknown | root port | upstream switch port | \ | ||
| 98 | downstream switch port | PCIe to PCI/PCI-X bridge | \ | ||
| 99 | PCI/PCI-X to PCIe bridge | root complex integrated endpoint device | \ | ||
| 100 | root complex event collector | ||
| 101 | |||
| 102 | Where, [] designate corresponding content is optional | ||
| 103 | |||
| 104 | All <field string> description with * has the following format: | ||
| 105 | |||
| 106 | field: <integer>, <field string> | ||
| 107 | |||
| 108 | Where value of <integer> should be the position of "string" in <field | ||
| 109 | string> description. Otherwise, <field string> will be "unknown". | ||
| 110 | |||
| 111 | All <field strings> description with # has the following format: | ||
| 112 | |||
| 113 | field: <integer> | ||
| 114 | <field strings> | ||
| 115 | |||
| 116 | Where each string in <fields strings> corresponding to one set bit of | ||
| 117 | <integer>. The bit position is the position of "string" in <field | ||
| 118 | strings> description. | ||
| 119 | |||
| 120 | For more detailed explanation of every field, please refer to UEFI | ||
| 121 | specification version 2.3 or later, section Appendix N: Common | ||
| 122 | Platform Error Record. | ||
| @@ -34,3 +34,5 @@ memory.txt · 33 unmodified lines | |||
| 34 | - description of the virtual memory layout | 34 | - description of the virtual memory layout |
| 35 | nwfpe/ | 35 | nwfpe/ |
| 36 | - NWFPE floating point emulator documentation | 36 | - NWFPE floating point emulator documentation |
| 37 | swp_emulation | ||
| 38 | - SWP/SWPB emulation handler/logging description | ||
| @@ -127,3 +127,28 @@ implementation needs: · 126 unmodified lines | |||
| 127 | 10. (*pdata->cpu_set_freq)(unsigned long f) | 127 | 10. (*pdata->cpu_set_freq)(unsigned long f) |
| 128 | 128 | ||
| 129 | 11. (*pdata->cpu_get_freq)(void) | 129 | 11. (*pdata->cpu_get_freq)(void) |
| 130 | |||
| 131 | Customizing OPP for platform | ||
| 132 | ============================ | ||
| 133 | Defining CONFIG_PM should enable OPP layer for the silicon | ||
| 134 | and the registration of OPP table should take place automatically. | ||
| 135 | However, in special cases, the default OPP table may need to be | ||
| 136 | tweaked, for e.g.: | ||
| 137 | * enable default OPPs which are disabled by default, but which | ||
| 138 | could be enabled on a platform | ||
| 139 | * Disable an unsupported OPP on the platform | ||
| 140 | * Define and add a custom opp table entry | ||
| 141 | in these cases, the board file needs to do additional steps as follows: | ||
| 142 | arch/arm/mach-omapx/board-xyz.c | ||
| 143 | #include "pm.h" | ||
| 144 | .... | ||
| 145 | static void __init omap_xyz_init_irq(void) | ||
| 146 | { | ||
| 147 | .... | ||
| 148 | /* Initialize the default table */ | ||
| 149 | omapx_opp_init(); | ||
| 150 | /* Do customization to the defaults */ | ||
| 151 | .... | ||
| 152 | } | ||
| 153 | NOTE: omapx_opp_init will be omap3_opp_init or as required | ||
| 154 | based on the omap family. | ||
| @@ -0,0 +1,27 @@ | |||
| 1 | Software emulation of deprecated SWP instruction (CONFIG_SWP_EMULATE) | ||
| 2 | --------------------------------------------------------------------- | ||
| 3 | |||
| 4 | ARMv6 architecture deprecates use of the SWP/SWPB instructions, and recommeds | ||
| 5 | moving to the load-locked/store-conditional instructions LDREX and STREX. | ||
| 6 | |||
| 7 | ARMv7 multiprocessing extensions introduce the ability to disable these | ||
| 8 | instructions, triggering an undefined instruction exception when executed. | ||
| 9 | Trapped instructions are emulated using an LDREX/STREX or LDREXB/STREXB | ||
| 10 | sequence. If a memory access fault (an abort) occurs, a segmentation fault is | ||
| 11 | signalled to the triggering process. | ||
| 12 | |||
| 13 | /proc/cpu/swp_emulation holds some statistics/information, including the PID of | ||
| 14 | the last process to trigger the emulation to be invocated. For example: | ||
| 15 | --- | ||
| 16 | Emulated SWP: 12 | ||
| 17 | Emulated SWPB: 0 | ||
| 18 | Aborted SWP{B}: 1 | ||
| 19 | Last process: 314 | ||
| 20 | --- | ||
| 21 | |||
| 22 | NOTE: when accessing uncached shared regions, LDREX/STREX rely on an external | ||
| 23 | transaction monitoring block called a global monitor to maintain update | ||
| 24 | atomicity. If your system does not implement a global monitor, this option can | ||
| 25 | cause programs that perform SWP operations to uncached memory to deadlock, as | ||
| 26 | the STREX operation will always fail. | ||
| 27 | |||
| @@ -89,6 +89,33 @@ Throttling/Upper Limit policy · 88 unmodified lines | |||
| 89 | 89 | ||
| 90 | Limits for writes can be put using blkio.write_bps_device file. | 90 | Limits for writes can be put using blkio.write_bps_device file. |
| 91 | 91 | ||
| 92 | Hierarchical Cgroups | ||
| 93 | ==================== | ||
| 94 | - Currently none of the IO control policy supports hierarhical groups. But | ||
| 95 | cgroup interface does allow creation of hierarhical cgroups and internally | ||
| 96 | IO policies treat them as flat hierarchy. | ||
| 97 | |||
| 98 | So this patch will allow creation of cgroup hierarhcy but at the backend | ||
| 99 | everything will be treated as flat. So if somebody created a hierarchy like | ||
| 100 | as follows. | ||
| 101 | |||
| 102 | root | ||
| 103 | / \ | ||
| 104 | test1 test2 | ||
| 105 | | | ||
| 106 | test3 | ||
| 107 | |||
| 108 | CFQ and throttling will practically treat all groups at same level. | ||
| 109 | |||
| 110 | pivot | ||
| 111 | / | \ \ | ||
| 112 | root test1 test2 test3 | ||
| 113 | |||
| 114 | Down the line we can implement hierarchical accounting/control support | ||
| 115 | and also introduce a new cgroup file "use_hierarchy" which will control | ||
| 116 | whether cgroup hierarchy is viewed as flat or hierarchical by the policy.. | ||
| 117 | This is how memory controller also has implemented the things. | ||
| 118 | |||
| 92 | Various user visible config options | 119 | Various user visible config options |
| 93 | =================================== | 120 | =================================== |
| 94 | CONFIG_BLK_CGROUP | 121 | CONFIG_BLK_CGROUP |
| @@ -91,7 +91,7 @@ int main(int argc, char **argv) · 90 unmodified lines | |||
| 91 | 91 | ||
| 92 | if (ret == -1) { | 92 | if (ret == -1) { |
| 93 | perror("cgroup.event_control " | 93 | perror("cgroup.event_control " |
| 94 | "is not accessable any more"); | 94 | "is not accessible any more"); |
| 95 | break; | 95 | break; |
| 96 | } | 96 | } |
| 97 | 97 | ||
| @@ -355,13 +355,13 @@ subsystems, type: · 354 unmodified lines | |||
| 355 | 355 | ||
| 356 | To change the set of subsystems bound to a mounted hierarchy, just | 356 | To change the set of subsystems bound to a mounted hierarchy, just |
| 357 | remount with different options: | 357 | remount with different options: |
| 358 | # mount -o remount,cpuset,ns hier1 /dev/cgroup | 358 | # mount -o remount,cpuset,blkio hier1 /dev/cgroup |
| 359 | 359 | ||
| 360 | Now memory is removed from the hierarchy and ns is added. | 360 | Now memory is removed from the hierarchy and blkio is added. |
| 361 | 361 | ||
| 362 | Note this will add ns to the hierarchy but won't remove memory or | 362 | Note this will add blkio to the hierarchy but won't remove memory or |
| 363 | cpuset, because the new options are appended to the old ones: | 363 | cpuset, because the new options are appended to the old ones: |
| 364 | # mount -o remount,ns /dev/cgroup | 364 | # mount -o remount,blkio /dev/cgroup |
| 365 | 365 | ||
| 366 | To Specify a hierarchy's release_agent: | 366 | To Specify a hierarchy's release_agent: |
| 367 | # mount -t cgroup -o cpuset,release_agent="/sbin/cpuset_release_agent" \ | 367 | # mount -t cgroup -o cpuset,release_agent="/sbin/cpuset_release_agent" \ |
| @@ -398,7 +398,7 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y. · 397 unmodified lines | |||
| 398 | written to move_charge_at_immigrate. | 398 | written to move_charge_at_immigrate. |
| 399 | 399 | ||
| 400 | 9.10 Memory thresholds | 400 | 9.10 Memory thresholds |
| 401 | Memory controler implements memory thresholds using cgroups notification | 401 | Memory controller implements memory thresholds using cgroups notification |
| 402 | API. You can use Documentation/cgroups/cgroup_event_listener.c to test | 402 | API. You can use Documentation/cgroups/cgroup_event_listener.c to test |
| 403 | it. | 403 | it. |
| 404 | 404 | ||
| @@ -36,6 +36,10 @@ as a regular user, and install it with · 35 unmodified lines | |||
| 36 | 36 | ||
| 37 | sudo make install | 37 | sudo make install |
| 38 | 38 | ||
| 39 | The semantic patches in the kernel will work best with Coccinelle version | ||
| 40 | 0.2.4 or later. Using earlier versions may incur some parse errors in the | ||
| 41 | semantic patch code, but any results that are obtained should still be | ||
| 42 | correct. | ||
| 39 | 43 | ||
| 40 | Using Coccinelle on the Linux kernel | 44 | Using Coccinelle on the Linux kernel |
| 41 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 45 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| @@ -8,7 +8,7 @@ Parameters: <cipher> <key> <iv_offset> <device path> <offset> · 7 unmodified lines | |||
| 8 | 8 | ||
| 9 | <cipher> | 9 | <cipher> |
| 10 | Encryption cipher and an optional IV generation mode. | 10 | Encryption cipher and an optional IV generation mode. |
| 11 | (In format cipher-chainmode-ivopts:ivmode). | 11 | (In format cipher[:keycount]-chainmode-ivopts:ivmode). |
| 12 | Examples: | 12 | Examples: |
| 13 | des | 13 | des |
| 14 | aes-cbc-essiv:sha256 | 14 | aes-cbc-essiv:sha256 |
| @@ -20,6 +20,11 @@ Parameters: <cipher> <key> <iv_offset> <device path> <offset> · 5 unmodified lines | |||
| 20 | Key used for encryption. It is encoded as a hexadecimal number. | 20 | Key used for encryption. It is encoded as a hexadecimal number. |
| 21 | You can only use key sizes that are valid for the selected cipher. | 21 | You can only use key sizes that are valid for the selected cipher. |
| 22 | 22 | ||
| 23 | <keycount> | ||
| 24 | Multi-key compatibility mode. You can define <keycount> keys and | ||
| 25 | then sectors are encrypted according to their offsets (sector 0 uses key0; | ||
| 26 | sector 1 uses key1 etc.). <keycount> must be a power of two. | ||
| 27 | |||
| 23 | <iv_offset> | 28 | <iv_offset> |
| 24 | The IV offset is a sector count that is added to the sector number | 29 | The IV offset is a sector count that is added to the sector number |
| 25 | before creating the IV. | 30 | before creating the IV. |
| @@ -0,0 +1,70 @@ | |||
| 1 | Device-mapper RAID (dm-raid) is a bridge from DM to MD. It | ||
| 2 | provides a way to use device-mapper interfaces to access the MD RAID | ||
| 3 | drivers. | ||
| 4 | |||
| 5 | As with all device-mapper targets, the nominal public interfaces are the | ||
| 6 | constructor (CTR) tables and the status outputs (both STATUSTYPE_INFO | ||
| 7 | and STATUSTYPE_TABLE). The CTR table looks like the following: | ||
| 8 | |||
| 9 | 1: <s> <l> raid \ | ||
| 10 | 2: <raid_type> <#raid_params> <raid_params> \ | ||
| 11 | 3: <#raid_devs> <meta_dev1> <dev1> .. <meta_devN> <devN> | ||
| 12 | |||
| 13 | Line 1 contains the standard first three arguments to any device-mapper | ||
| 14 | target - the start, length, and target type fields. The target type in | ||
| 15 | this case is "raid". | ||
| 16 | |||
| 17 | Line 2 contains the arguments that define the particular raid | ||
| 18 | type/personality/level, the required arguments for that raid type, and | ||
| 19 | any optional arguments. Possible raid types include: raid4, raid5_la, | ||
| 20 | raid5_ls, raid5_rs, raid6_zr, raid6_nr, and raid6_nc. (raid1 is | ||
| 21 | planned for the future.) The list of required and optional parameters | ||
| 22 | is the same for all the current raid types. The required parameters are | ||
| 23 | positional, while the optional parameters are given as key/value pairs. | ||
| 24 | The possible parameters are as follows: | ||
| 25 | <chunk_size> Chunk size in sectors. | ||
| 26 | [[no]sync] Force/Prevent RAID initialization | ||
| 27 | [rebuild <idx>] Rebuild the drive indicated by the index | ||
| 28 | [daemon_sleep <ms>] Time between bitmap daemon work to clear bits | ||
| 29 | [min_recovery_rate <kB/sec/disk>] Throttle RAID initialization | ||
| 30 | [max_recovery_rate <kB/sec/disk>] Throttle RAID initialization | ||
| 31 | [max_write_behind <sectors>] See '-write-behind=' (man mdadm) | ||
| 32 | [stripe_cache <sectors>] Stripe cache size for higher RAIDs | ||
| 33 | |||
| 34 | Line 3 contains the list of devices that compose the array in | ||
| 35 | metadata/data device pairs. If the metadata is stored separately, a '-' | ||
| 36 | is given for the metadata device position. If a drive has failed or is | ||
| 37 | missing at creation time, a '-' can be given for both the metadata and | ||
| 38 | data drives for a given position. | ||
| 39 | |||
| 40 | NB. Currently all metadata devices must be specified as '-'. | ||
| 41 | |||
| 42 | Examples: | ||
| 43 | # RAID4 - 4 data drives, 1 parity | ||
| 44 | # No metadata devices specified to hold superblock/bitmap info | ||
| 45 | # Chunk size of 1MiB | ||
| 46 | # (Lines separated for easy reading) | ||
| 47 | 0 1960893648 raid \ | ||
| 48 | raid4 1 2048 \ | ||
| 49 | 5 - 8:17 - 8:33 - 8:49 - 8:65 - 8:81 | ||
| 50 | |||
| 51 | # RAID4 - 4 data drives, 1 parity (no metadata devices) | ||
| 52 | # Chunk size of 1MiB, force RAID initialization, | ||
| 53 | # min recovery rate at 20 kiB/sec/disk | ||
| 54 | 0 1960893648 raid \ | ||
| 55 | raid4 4 2048 min_recovery_rate 20 sync\ | ||
| 56 | 5 - 8:17 - 8:33 - 8:49 - 8:65 - 8:81 | ||
| 57 | |||
| 58 | Performing a 'dmsetup table' should display the CTR table used to | ||
| 59 | construct the mapping (with possible reordering of optional | ||
| 60 | parameters). | ||
| 61 | |||
| 62 | Performing a 'dmsetup status' will yield information on the state and | ||
| 63 | health of the array. The output is as follows: | ||
| 64 | 1: <s> <l> raid \ | ||
| 65 | 2: <raid_type> <#devices> <1 health char for each dev> <resync_ratio> | ||
| 66 | |||
| 67 | Line 1 is standard DM output. Line 2 is best shown by example: | ||
| 68 | 0 1960893648 raid raid4 5 AAAAA 2/490221568 | ||
| 69 | Here we can see the RAID type is raid4, there are 5 devices - all of | ||
| 70 | which are 'A'live, and the array is 2/490221568 complete with recovery. | ||
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| @@ -0,0 +1,28 @@ | |||
| 1 | EEPROMs (I2C) | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | |||
| 5 | - compatible : should be "<manufacturer>,<type>" | ||
| 6 | If there is no specific driver for <manufacturer>, a generic | ||
| 7 | driver based on <type> is selected. Possible types are: | ||
| 8 | 24c00, 24c01, 24c02, 24c04, 24c08, 24c16, 24c32, 24c64, | ||
| 9 | 24c128, 24c256, 24c512, 24c1024, spd | ||
| 10 | |||
| 11 | - reg : the I2C address of the EEPROM | ||
| 12 | |||
| 13 | Optional properties: | ||
| 14 | |||
| 15 | - pagesize : the length of the pagesize for writing. Please consult the | ||
| 16 | manual of your device, that value varies a lot. A wrong value | ||
| 17 | may result in data loss! If not specified, a safety value of | ||
| 18 | '1' is used which will be very slow. | ||
| 19 | |||
| 20 | - read-only: this parameterless property disables writes to the eeprom | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | eeprom@52 { | ||
| 25 | compatible = "atmel,24c32"; | ||
| 26 | reg = <0x52>; | ||
| 27 | pagesize = <32>; | ||
| 28 | }; | ||
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| @@ -0,0 +1,52 @@ | |||
| 1 | PPC4xx Clock Power Management (CPM) node | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : compatible list, currently only "ibm,cpm" | ||
| 5 | - dcr-access-method : "native" | ||
| 6 | - dcr-reg : < DCR register range > | ||
| 7 | |||
| 8 | Optional properties: | ||
| 9 | - er-offset : All 4xx SoCs with a CPM controller have | ||
| 10 | one of two different order for the CPM | ||
| 11 | registers. Some have the CPM registers | ||
| 12 | in the following order (ER,FR,SR). The | ||
| 13 | others have them in the following order | ||
| 14 | (SR,ER,FR). For the second case set | ||
| 15 | er-offset = <1>. | ||
| 16 | - unused-units : specifier consist of one cell. For each | ||
| 17 | bit in the cell, the corresponding bit | ||
| 18 | in CPM will be set to turn off unused | ||
| 19 | devices. | ||
| 20 | - idle-doze : specifier consist of one cell. For each | ||
| 21 | bit in the cell, the corresponding bit | ||
| 22 | in CPM will be set to turn off unused | ||
| 23 | devices. This is usually just CPM[CPU]. | ||
| 24 | - standby : specifier consist of one cell. For each | ||
| 25 | bit in the cell, the corresponding bit | ||
| 26 | in CPM will be set on standby and | ||
| 27 | restored on resume. | ||
| 28 | - suspend : specifier consist of one cell. For each | ||
| 29 | bit in the cell, the corresponding bit | ||
| 30 | in CPM will be set on suspend (mem) and | ||
| 31 | restored on resume. Note, for standby | ||
| 32 | and suspend the corresponding bits can | ||
| 33 | be different or the same. Usually for | ||
| 34 | standby only class 2 and 3 units are set. | ||
| 35 | However, the interface does not care. | ||
| 36 | If they are the same, the additional | ||
| 37 | power saving will be seeing if support | ||
| 38 | is available to put the DDR in self | ||
| 39 | refresh mode and any additional power | ||
| 40 | saving techniques for the specific SoC. | ||
| 41 | |||
| 42 | Example: | ||
| 43 | CPM0: cpm { | ||
| 44 | compatible = "ibm,cpm"; | ||
| 45 | dcr-access-method = "native"; | ||
| 46 | dcr-reg = <0x160 0x003>; | ||
| 47 | er-offset = <0>; | ||
| 48 | unused-units = <0x00000100>; | ||
| 49 | idle-doze = <0x02000000>; | ||
| 50 | standby = <0xfeff0000>; | ||
| 51 | suspend = <0xfeff791d>; | ||
| 52 | }; | ||
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| @@ -13,7 +13,6 @@ Table of Contents · 12 unmodified lines | |||
| 13 | 13 | ||
| 14 | I - Introduction | 14 | I - Introduction |
| 15 | 1) Entry point for arch/powerpc | 15 | 1) Entry point for arch/powerpc |
| 16 | 2) Board support | ||
| 17 | 16 | ||
| 18 | II - The DT block format | 17 | II - The DT block format |
| 19 | 1) Header | 18 | 1) Header |
| @@ -41,13 +40,6 @@ Table of Contents · 21 unmodified lines | |||
| 41 | VI - System-on-a-chip devices and nodes | 40 | VI - System-on-a-chip devices and nodes |
| 42 | 1) Defining child nodes of an SOC | 41 | 1) Defining child nodes of an SOC |
| 43 | 2) Representing devices without a current OF specification | 42 | 2) Representing devices without a current OF specification |
| 44 | a) PHY nodes | ||
| 45 | b) Interrupt controllers | ||
| 46 | c) 4xx/Axon EMAC ethernet nodes | ||
| 47 | d) Xilinx IP cores | ||
| 48 | e) USB EHCI controllers | ||
| 49 | f) MDIO on GPIOs | ||
| 50 | g) SPI busses | ||
| 51 | 43 | ||
| 52 | VII - Specifying interrupt information for devices | 44 | VII - Specifying interrupt information for devices |
| 53 | 1) interrupts property | 45 | 1) interrupts property |
| @@ -123,7 +115,7 @@ Revision Information · 69 unmodified lines | |||
| 123 | I - Introduction | 115 | I - Introduction |
| 124 | ================ | 116 | ================ |
| 125 | 117 | ||
| 126 | During the recent development of the Linux/ppc64 kernel, and more | 118 | During the development of the Linux/ppc64 kernel, and more |
| 127 | specifically, the addition of new platform types outside of the old | 119 | specifically, the addition of new platform types outside of the old |
| 128 | IBM pSeries/iSeries pair, it was decided to enforce some strict rules | 120 | IBM pSeries/iSeries pair, it was decided to enforce some strict rules |
| 129 | regarding the kernel entry and bootloader <-> kernel interfaces, in | 121 | regarding the kernel entry and bootloader <-> kernel interfaces, in |
| @@ -131,7 +123,7 @@ order to avoid the degeneration that had become the ppc32 kernel entry · 1 unmodified line | |||
| 131 | point and the way a new platform should be added to the kernel. The | 123 | point and the way a new platform should be added to the kernel. The |
| 132 | legacy iSeries platform breaks those rules as it predates this scheme, | 124 | legacy iSeries platform breaks those rules as it predates this scheme, |
| 133 | but no new board support will be accepted in the main tree that | 125 | but no new board support will be accepted in the main tree that |
| 134 | doesn't follows them properly. In addition, since the advent of the | 126 | doesn't follow them properly. In addition, since the advent of the |
| 135 | arch/powerpc merged architecture for ppc32 and ppc64, new 32-bit | 127 | arch/powerpc merged architecture for ppc32 and ppc64, new 32-bit |
| 136 | platforms and 32-bit platforms which move into arch/powerpc will be | 128 | platforms and 32-bit platforms which move into arch/powerpc will be |
| 137 | required to use these rules as well. | 129 | required to use these rules as well. |
| @@ -146,7 +138,7 @@ section III, but, for example, the kernel does not require you to · 8 unmodified lines | |||
| 146 | create a node for every PCI device in the system. It is a requirement | 138 | create a node for every PCI device in the system. It is a requirement |
| 147 | to have a node for PCI host bridges in order to provide interrupt | 139 | to have a node for PCI host bridges in order to provide interrupt |
| 148 | routing informations and memory/IO ranges, among others. It is also | 140 | routing informations and memory/IO ranges, among others. It is also |
| 149 | recommended to define nodes for on chip devices and other busses that | 141 | recommended to define nodes for on chip devices and other buses that |
| 150 | don't specifically fit in an existing OF specification. This creates a | 142 | don't specifically fit in an existing OF specification. This creates a |
| 151 | great flexibility in the way the kernel can then probe those and match | 143 | great flexibility in the way the kernel can then probe those and match |
| 152 | drivers to device, without having to hard code all sorts of tables. It | 144 | drivers to device, without having to hard code all sorts of tables. It |
| @@ -158,7 +150,7 @@ it with special cases. · 5 unmodified lines | |||
| 158 | 1) Entry point for arch/powerpc | 150 | 1) Entry point for arch/powerpc |
| 159 | ------------------------------- | 151 | ------------------------------- |
| 160 | 152 | ||
| 161 | There is one and one single entry point to the kernel, at the start | 153 | There is one single entry point to the kernel, at the start |
| 162 | of the kernel image. That entry point supports two calling | 154 | of the kernel image. That entry point supports two calling |
| 163 | conventions: | 155 | conventions: |
| 164 | 156 | ||
| @@ -210,12 +202,6 @@ it with special cases. · 45 unmodified lines | |||
| 210 | with all CPUs. The way to do that with method b) will be | 202 | with all CPUs. The way to do that with method b) will be |
| 211 | described in a later revision of this document. | 203 | described in a later revision of this document. |
| 212 | 204 | ||
| 213 | |||
| 214 | 2) Board support | ||
| 215 | ---------------- | ||
| 216 | |||
| 217 | 64-bit kernels: | ||
| 218 | |||
| 219 | Board supports (platforms) are not exclusive config options. An | 205 | Board supports (platforms) are not exclusive config options. An |
| 220 | arbitrary set of board supports can be built in a single kernel | 206 | arbitrary set of board supports can be built in a single kernel |
| 221 | image. The kernel will "know" what set of functions to use for a | 207 | image. The kernel will "know" what set of functions to use for a |
| @@ -234,48 +220,11 @@ it with special cases. · 12 unmodified lines | |||
| 234 | containing the various callbacks that the generic code will | 220 | containing the various callbacks that the generic code will |
| 235 | use to get to your platform specific code | 221 | use to get to your platform specific code |
| 236 | 222 | ||
| 237 | c) Add a reference to your "ppc_md" structure in the | 223 | A kernel image may support multiple platforms, but only if the |
| 238 | "machines" table in arch/powerpc/kernel/setup_64.c if you are | ||
| 239 | a 64-bit platform. | ||
| 240 | |||
| 241 | d) request and get assigned a platform number (see PLATFORM_* | ||
| 242 | constants in arch/powerpc/include/asm/processor.h | ||
| 243 | |||
| 244 | 32-bit embedded kernels: | ||
| 245 | |||
| 246 | Currently, board support is essentially an exclusive config option. | ||
| 247 | The kernel is configured for a single platform. Part of the reason | ||
| 248 | for this is to keep kernels on embedded systems small and efficient; | ||
| 249 | part of this is due to the fact the code is already that way. In the | ||
| 250 | future, a kernel may support multiple platforms, but only if the | ||
| 251 | platforms feature the same core architecture. A single kernel build | 224 | platforms feature the same core architecture. A single kernel build |
| 252 | cannot support both configurations with Book E and configurations | 225 | cannot support both configurations with Book E and configurations |
| 253 | with classic Powerpc architectures. | 226 | with classic Powerpc architectures. |
| 254 | 227 | ||
| 255 | 32-bit embedded platforms that are moved into arch/powerpc using a | ||
| 256 | flattened device tree should adopt the merged tree practice of | ||
| 257 | setting ppc_md up dynamically, even though the kernel is currently | ||
| 258 | built with support for only a single platform at a time. This allows | ||
| 259 | unification of the setup code, and will make it easier to go to a | ||
| 260 | multiple-platform-support model in the future. | ||
| 261 | |||
| 262 | NOTE: I believe the above will be true once Ben's done with the merge | ||
| 263 | of the boot sequences.... someone speak up if this is wrong! | ||
| 264 | |||
| 265 | To add a 32-bit embedded platform support, follow the instructions | ||
| 266 | for 64-bit platforms above, with the exception that the Kconfig | ||
| 267 | option should be set up such that the kernel builds exclusively for | ||
| 268 | the platform selected. The processor type for the platform should | ||
| 269 | enable another config option to select the specific board | ||
| 270 | supported. | ||
| 271 | |||
| 272 | NOTE: If Ben doesn't merge the setup files, may need to change this to | ||
| 273 | point to setup_32.c | ||
| 274 | |||
| 275 | |||
| 276 | I will describe later the boot process and various callbacks that | ||
| 277 | your platform should implement. | ||
| 278 | |||
| 279 | 228 | ||
| 280 | II - The DT block format | 229 | II - The DT block format |
| 281 | ======================== | 230 | ======================== |
| @@ -300,8 +249,8 @@ the block to RAM before passing it to the kernel. · 18 unmodified lines | |||
| 300 | 1) Header | 249 | 1) Header |
| 301 | --------- | 250 | --------- |
| 302 | 251 | ||
| 303 | The kernel is entered with r3 pointing to an area of memory that is | 252 | The kernel is passed the physical address pointing to an area of memory |
| 304 | roughly described in arch/powerpc/include/asm/prom.h by the structure | 253 | that is roughly described in include/linux/of_fdt.h by the structure |
| 305 | boot_param_header: | 254 | boot_param_header: |
| 306 | 255 | ||
| 307 | struct boot_param_header { | 256 | struct boot_param_header { |
| @@ -339,7 +288,7 @@ struct boot_param_header { · 31 unmodified lines | |||
| 339 | All values in this header are in big endian format, the various | 288 | All values in this header are in big endian format, the various |
| 340 | fields in this header are defined more precisely below. All | 289 | fields in this header are defined more precisely below. All |
| 341 | "offset" values are in bytes from the start of the header; that is | 290 | "offset" values are in bytes from the start of the header; that is |
| 342 | from the value of r3. | 291 | from the physical base address of the device tree block. |
| 343 | 292 | ||
| 344 | - magic | 293 | - magic |
| 345 | 294 | ||
| @@ -437,7 +386,7 @@ struct boot_param_header { · 91 unmodified lines | |||
| 437 | 386 | ||
| 438 | 387 | ||
| 439 | ------------------------------ | 388 | ------------------------------ |
| 440 | r3 -> | struct boot_param_header | | 389 | base -> | struct boot_param_header | |
| 441 | ------------------------------ | 390 | ------------------------------ |
| 442 | | (alignment gap) (*) | | 391 | | (alignment gap) (*) | |
| 443 | ------------------------------ | 392 | ------------------------------ |
| @@ -457,7 +406,7 @@ struct boot_param_header { · 13 unmodified lines | |||
| 457 | -----> ------------------------------ | 406 | -----> ------------------------------ |
| 458 | | | 407 | | |
| 459 | | | 408 | | |
| 460 | --- (r3 + totalsize) | 409 | --- (base + totalsize) |
| 461 | 410 | ||
| 462 | (*) The alignment gaps are not necessarily present; their presence | 411 | (*) The alignment gaps are not necessarily present; their presence |
| 463 | and size are dependent on the various alignment requirements of | 412 | and size are dependent on the various alignment requirements of |
| @@ -500,7 +449,7 @@ the device-tree structure. It is typically used to represent "path" in · 36 unmodified lines | |||
| 500 | the device-tree. More details about the actual format of these will be | 449 | the device-tree. More details about the actual format of these will be |
| 501 | below. | 450 | below. |
| 502 | 451 | ||
| 503 | The kernel powerpc generic code does not make any formal use of the | 452 | The kernel generic code does not make any formal use of the |
| 504 | unit address (though some board support code may do) so the only real | 453 | unit address (though some board support code may do) so the only real |
| 505 | requirement here for the unit address is to ensure uniqueness of | 454 | requirement here for the unit address is to ensure uniqueness of |
| 506 | the node unit name at a given level of the tree. Nodes with no notion | 455 | the node unit name at a given level of the tree. Nodes with no notion |
| @@ -518,20 +467,21 @@ path to the root node is "/". · 11 unmodified lines | |||
| 518 | 467 | ||
| 519 | Every node which actually represents an actual device (that is, a node | 468 | Every node which actually represents an actual device (that is, a node |
| 520 | which isn't only a virtual "container" for more nodes, like "/cpus" | 469 | which isn't only a virtual "container" for more nodes, like "/cpus" |
| 521 | is) is also required to have a "device_type" property indicating the | 470 | is) is also required to have a "compatible" property indicating the |
| 522 | type of node . | 471 | specific hardware and an optional list of devices it is fully |
| 472 | backwards compatible with. | ||
| 523 | 473 | ||
| 524 | Finally, every node that can be referenced from a property in another | 474 | Finally, every node that can be referenced from a property in another |
| 525 | node is required to have a "linux,phandle" property. Real open | 475 | node is required to have either a "phandle" or a "linux,phandle" |
| 526 | firmware implementations provide a unique "phandle" value for every | 476 | property. Real Open Firmware implementations provide a unique |
| 527 | node that the "prom_init()" trampoline code turns into | 477 | "phandle" value for every node that the "prom_init()" trampoline code |
| 528 | "linux,phandle" properties. However, this is made optional if the | 478 | turns into "linux,phandle" properties. However, this is made optional |
| 529 | flattened device tree is used directly. An example of a node | 479 | if the flattened device tree is used directly. An example of a node |
| 530 | referencing another node via "phandle" is when laying out the | 480 | referencing another node via "phandle" is when laying out the |
| 531 | interrupt tree which will be described in a further version of this | 481 | interrupt tree which will be described in a further version of this |
| 532 | document. | 482 | document. |
| 533 | 483 | ||
| 534 | This "linux, phandle" property is a 32-bit value that uniquely | 484 | The "phandle" property is a 32-bit value that uniquely |
| 535 | identifies a node. You are free to use whatever values or system of | 485 | identifies a node. You are free to use whatever values or system of |
| 536 | values, internal pointers, or whatever to generate these, the only | 486 | values, internal pointers, or whatever to generate these, the only |
| 537 | requirement is that every node for which you provide that property has | 487 | requirement is that every node for which you provide that property has |
| @@ -694,7 +644,7 @@ made of 3 cells, the bottom two containing the actual address itself · 156 unmodified lines | |||
| 694 | while the top cell contains address space indication, flags, and pci | 644 | while the top cell contains address space indication, flags, and pci |
| 695 | bus & device numbers. | 645 | bus & device numbers. |
| 696 | 646 | ||
| 697 | For busses that support dynamic allocation, it's the accepted practice | 647 | For buses that support dynamic allocation, it's the accepted practice |
| 698 | to then not provide the address in "reg" (keep it 0) though while | 648 | to then not provide the address in "reg" (keep it 0) though while |
| 699 | providing a flag indicating the address is dynamically allocated, and | 649 | providing a flag indicating the address is dynamically allocated, and |
| 700 | then, to provide a separate "assigned-addresses" property that | 650 | then, to provide a separate "assigned-addresses" property that |
| @@ -711,7 +661,7 @@ prom_parse.c file of the recent kernels for your bus type. · 10 unmodified lines | |||
| 711 | The "reg" property only defines addresses and sizes (if #size-cells is | 661 | The "reg" property only defines addresses and sizes (if #size-cells is |
| 712 | non-0) within a given bus. In order to translate addresses upward | 662 | non-0) within a given bus. In order to translate addresses upward |
| 713 | (that is into parent bus addresses, and possibly into CPU physical | 663 | (that is into parent bus addresses, and possibly into CPU physical |
| 714 | addresses), all busses must contain a "ranges" property. If the | 664 | addresses), all buses must contain a "ranges" property. If the |
| 715 | "ranges" property is missing at a given level, it's assumed that | 665 | "ranges" property is missing at a given level, it's assumed that |
| 716 | translation isn't possible, i.e., the registers are not visible on the | 666 | translation isn't possible, i.e., the registers are not visible on the |
| 717 | parent bus. The format of the "ranges" property for a bus is a list | 667 | parent bus. The format of the "ranges" property for a bus is a list |
| @@ -727,9 +677,9 @@ example, for a PCI host controller, that would be a CPU address. For a · 9 unmodified lines | |||
| 727 | PCI<->ISA bridge, that would be a PCI address. It defines the base | 677 | PCI<->ISA bridge, that would be a PCI address. It defines the base |
| 728 | address in the parent bus where the beginning of that range is mapped. | 678 | address in the parent bus where the beginning of that range is mapped. |
| 729 | 679 | ||
| 730 | For a new 64-bit powerpc board, I recommend either the 2/2 format or | 680 | For new 64-bit board support, I recommend either the 2/2 format or |
| 731 | Apple's 2/1 format which is slightly more compact since sizes usually | 681 | Apple's 2/1 format which is slightly more compact since sizes usually |
| 732 | fit in a single 32-bit word. New 32-bit powerpc boards should use a | 682 | fit in a single 32-bit word. New 32-bit board support should use a |
| 733 | 1/1 format, unless the processor supports physical addresses greater | 683 | 1/1 format, unless the processor supports physical addresses greater |
| 734 | than 32-bits, in which case a 2/1 format is recommended. | 684 | than 32-bits, in which case a 2/1 format is recommended. |
| 735 | 685 | ||
| @@ -754,7 +704,7 @@ of their actual names. · 18 unmodified lines | |||
| 754 | While earlier users of Open Firmware like OldWorld macintoshes tended | 704 | While earlier users of Open Firmware like OldWorld macintoshes tended |
| 755 | to use the actual device name for the "name" property, it's nowadays | 705 | to use the actual device name for the "name" property, it's nowadays |
| 756 | considered a good practice to use a name that is closer to the device | 706 | considered a good practice to use a name that is closer to the device |
| 757 | class (often equal to device_type). For example, nowadays, ethernet | 707 | class (often equal to device_type). For example, nowadays, Ethernet |
| 758 | controllers are named "ethernet", an additional "model" property | 708 | controllers are named "ethernet", an additional "model" property |
| 759 | defining precisely the chip type/model, and "compatible" property | 709 | defining precisely the chip type/model, and "compatible" property |
| 760 | defining the family in case a single driver can driver more than one | 710 | defining the family in case a single driver can driver more than one |
| @@ -772,7 +722,7 @@ is present). · 11 unmodified lines | |||
| 772 | 4) Note about node and property names and character set | 722 | 4) Note about node and property names and character set |
| 773 | ------------------------------------------------------- | 723 | ------------------------------------------------------- |
| 774 | 724 | ||
| 775 | While open firmware provides more flexible usage of 8859-1, this | 725 | While Open Firmware provides more flexible usage of 8859-1, this |
| 776 | specification enforces more strict rules. Nodes and properties should | 726 | specification enforces more strict rules. Nodes and properties should |
| 777 | be comprised only of ASCII characters 'a' to 'z', '0' to | 727 | be comprised only of ASCII characters 'a' to 'z', '0' to |
| 778 | '9', ',', '.', '_', '+', '#', '?', and '-'. Node names additionally | 728 | '9', ',', '.', '_', '+', '#', '?', and '-'. Node names additionally |
| @@ -792,7 +742,7 @@ address which can extend beyond that limit. · 13 unmodified lines | |||
| 792 | -------------------------------- | 742 | -------------------------------- |
| 793 | These are all that are currently required. However, it is strongly | 743 | These are all that are currently required. However, it is strongly |
| 794 | recommended that you expose PCI host bridges as documented in the | 744 | recommended that you expose PCI host bridges as documented in the |
| 795 | PCI binding to open firmware, and your interrupt tree as documented | 745 | PCI binding to Open Firmware, and your interrupt tree as documented |
| 796 | in OF interrupt tree specification. | 746 | in OF interrupt tree specification. |
| 797 | 747 | ||
| 798 | a) The root node | 748 | a) The root node |
| @@ -802,20 +752,12 @@ address which can extend beyond that limit. · 3 unmodified lines | |||
| 802 | - model : this is your board name/model | 752 | - model : this is your board name/model |
| 803 | - #address-cells : address representation for "root" devices | 753 | - #address-cells : address representation for "root" devices |
| 804 | - #size-cells: the size representation for "root" devices | 754 | - #size-cells: the size representation for "root" devices |
| 805 | - device_type : This property shouldn't be necessary. However, if | ||
| 806 | you decide to create a device_type for your root node, make sure it | ||
| 807 | is _not_ "chrp" unless your platform is a pSeries or PAPR compliant | ||
| 808 | one for 64-bit, or a CHRP-type machine for 32-bit as this will | ||
| 809 | matched by the kernel this way. | ||
| 810 | |||
| 811 | Additionally, some recommended properties are: | ||
| 812 | |||
| 813 | - compatible : the board "family" generally finds its way here, | 755 | - compatible : the board "family" generally finds its way here, |
| 814 | for example, if you have 2 board models with a similar layout, | 756 | for example, if you have 2 board models with a similar layout, |
| 815 | that typically get driven by the same platform code in the | 757 | that typically get driven by the same platform code in the |
| 816 | kernel, you would use a different "model" property but put a | 758 | kernel, you would specify the exact board model in the |
| 817 | value in "compatible". The kernel doesn't directly use that | 759 | compatible property followed by an entry that represents the SoC |
| 818 | value but it is generally useful. | 760 | model. |
| 819 | 761 | ||
| 820 | The root node is also generally where you add additional properties | 762 | The root node is also generally where you add additional properties |
| 821 | specific to your board like the serial number if any, that sort of | 763 | specific to your board like the serial number if any, that sort of |
| @@ -841,8 +783,11 @@ address which can extend beyond that limit. · 19 unmodified lines | |||
| 841 | 783 | ||
| 842 | So under /cpus, you are supposed to create a node for every CPU on | 784 | So under /cpus, you are supposed to create a node for every CPU on |
| 843 | the machine. There is no specific restriction on the name of the | 785 | the machine. There is no specific restriction on the name of the |
| 844 | CPU, though It's common practice to call it PowerPC,<name>. For | 786 | CPU, though it's common to call it <architecture>,<core>. For |
| 845 | example, Apple uses PowerPC,G5 while IBM uses PowerPC,970FX. | 787 | example, Apple uses PowerPC,G5 while IBM uses PowerPC,970FX. |
| 788 | However, the Generic Names convention suggests that it would be | ||
| 789 | better to simply use 'cpu' for each cpu node and use the compatible | ||
| 790 | property to identify the specific cpu core. | ||
| 846 | 791 | ||
| 847 | Required properties: | 792 | Required properties: |
| 848 | 793 | ||
| @@ -923,7 +868,7 @@ compatibility. · 74 unmodified lines | |||
| 923 | 868 | ||
| 924 | e) The /chosen node | 869 | e) The /chosen node |
| 925 | 870 | ||
| 926 | This node is a bit "special". Normally, that's where open firmware | 871 | This node is a bit "special". Normally, that's where Open Firmware |
| 927 | puts some variable environment information, like the arguments, or | 872 | puts some variable environment information, like the arguments, or |
| 928 | the default input/output devices. | 873 | the default input/output devices. |
| 929 | 874 | ||
| @@ -940,11 +885,7 @@ compatibility. · 10 unmodified lines | |||
| 940 | console device if any. Typically, if you have serial devices on | 885 | console device if any. Typically, if you have serial devices on |
| 941 | your board, you may want to put the full path to the one set as | 886 | your board, you may want to put the full path to the one set as |
| 942 | the default console in the firmware here, for the kernel to pick | 887 | the default console in the firmware here, for the kernel to pick |
| 943 | it up as its own default console. If you look at the function | 888 | it up as its own default console. |
| 944 | set_preferred_console() in arch/ppc64/kernel/setup.c, you'll see | ||
| 945 | that the kernel tries to find out the default console and has | ||
| 946 | knowledge of various types like 8250 serial ports. You may want | ||
| 947 | to extend this function to add your own. | ||
| 948 | 889 | ||
| 949 | Note that u-boot creates and fills in the chosen node for platforms | 890 | Note that u-boot creates and fills in the chosen node for platforms |
| 950 | that use it. | 891 | that use it. |
| @@ -955,23 +896,23 @@ compatibility. · 4 unmodified lines | |||
| 955 | 896 | ||
| 956 | f) the /soc<SOCname> node | 897 | f) the /soc<SOCname> node |
| 957 | 898 | ||
| 958 | This node is used to represent a system-on-a-chip (SOC) and must be | 899 | This node is used to represent a system-on-a-chip (SoC) and must be |
| 959 | present if the processor is a SOC. The top-level soc node contains | 900 | present if the processor is a SoC. The top-level soc node contains |
| 960 | information that is global to all devices on the SOC. The node name | 901 | information that is global to all devices on the SoC. The node name |
| 961 | should contain a unit address for the SOC, which is the base address | 902 | should contain a unit address for the SoC, which is the base address |
| 962 | of the memory-mapped register set for the SOC. The name of an soc | 903 | of the memory-mapped register set for the SoC. The name of an SoC |
| 963 | node should start with "soc", and the remainder of the name should | 904 | node should start with "soc", and the remainder of the name should |
| 964 | represent the part number for the soc. For example, the MPC8540's | 905 | represent the part number for the soc. For example, the MPC8540's |
| 965 | soc node would be called "soc8540". | 906 | soc node would be called "soc8540". |
| 966 | 907 | ||
| 967 | Required properties: | 908 | Required properties: |
| 968 | 909 | ||
| 969 | - device_type : Should be "soc" | ||
| 970 | - ranges : Should be defined as specified in 1) to describe the | 910 | - ranges : Should be defined as specified in 1) to describe the |
| 971 | translation of SOC addresses for memory mapped SOC registers. | 911 | translation of SoC addresses for memory mapped SoC registers. |
| 972 | - bus-frequency: Contains the bus frequency for the SOC node. | 912 | - bus-frequency: Contains the bus frequency for the SoC node. |
| 973 | Typically, the value of this field is filled in by the boot | 913 | Typically, the value of this field is filled in by the boot |
| 974 | loader. | 914 | loader. |
| 915 | - compatible : Exact model of the SoC | ||
| 975 | 916 | ||
| 976 | 917 | ||
| 977 | Recommended properties: | 918 | Recommended properties: |
| @@ -1025,7 +966,7 @@ dtc source code can be found at · 47 unmodified lines | |||
| 1025 | 966 | ||
| 1026 | WARNING: This version is still in early development stage; the | 967 | WARNING: This version is still in early development stage; the |
| 1027 | resulting device-tree "blobs" have not yet been validated with the | 968 | resulting device-tree "blobs" have not yet been validated with the |
| 1028 | kernel. The current generated bloc lacks a useful reserve map (it will | 969 | kernel. The current generated block lacks a useful reserve map (it will |
| 1029 | be fixed to generate an empty one, it's up to the bootloader to fill | 970 | be fixed to generate an empty one, it's up to the bootloader to fill |
| 1030 | it up) among others. The error handling needs work, bugs are lurking, | 971 | it up) among others. The error handling needs work, bugs are lurking, |
| 1031 | etc... | 972 | etc... |
| @@ -1098,7 +1039,7 @@ supported currently at the toplevel. · 66 unmodified lines | |||
| 1098 | * an arbitrary array of bytes | 1039 | * an arbitrary array of bytes |
| 1099 | */ | 1040 | */ |
| 1100 | 1041 | ||
| 1101 | childnode@addresss { /* define a child node named "childnode" | 1042 | childnode@address { /* define a child node named "childnode" |
| 1102 | * whose unit name is "childnode at | 1043 | * whose unit name is "childnode at |
| 1103 | * address" | 1044 | * address" |
| 1104 | */ | 1045 | */ |
| @@ -1155,12 +1096,13 @@ while all this has been defined and implemented. · 50 unmodified lines | |||
| 1155 | 1096 | ||
| 1156 | - An example of code for iterating nodes & retrieving properties | 1097 | - An example of code for iterating nodes & retrieving properties |
| 1157 | directly from the flattened tree format can be found in the kernel | 1098 | directly from the flattened tree format can be found in the kernel |
| 1158 | file arch/ppc64/kernel/prom.c, look at scan_flat_dt() function, | 1099 | file drivers/of/fdt.c. Look at the of_scan_flat_dt() function, |
| 1159 | its usage in early_init_devtree(), and the corresponding various | 1100 | its usage in early_init_devtree(), and the corresponding various |
| 1160 | early_init_dt_scan_*() callbacks. That code can be re-used in a | 1101 | early_init_dt_scan_*() callbacks. That code can be re-used in a |
| 1161 | GPL bootloader, and as the author of that code, I would be happy | 1102 | GPL bootloader, and as the author of that code, I would be happy |
| 1162 | to discuss possible free licensing to any vendor who wishes to | 1103 | to discuss possible free licensing to any vendor who wishes to |
| 1163 | integrate all or part of this code into a non-GPL bootloader. | 1104 | integrate all or part of this code into a non-GPL bootloader. |
| 1105 | (reference needed; who is 'I' here? ---gcl Jan 31, 2011) | ||
| 1164 | 1106 | ||
| 1165 | 1107 | ||
| 1166 | 1108 | ||
| @@ -1203,18 +1145,19 @@ MPC8540. · 36 unmodified lines | |||
| 1203 | 2) Representing devices without a current OF specification | 1145 | 2) Representing devices without a current OF specification |
| 1204 | ---------------------------------------------------------- | 1146 | ---------------------------------------------------------- |
| 1205 | 1147 | ||
| 1206 | Currently, there are many devices on SOCs that do not have a standard | 1148 | Currently, there are many devices on SoCs that do not have a standard |
| 1207 | representation pre-defined as part of the open firmware | 1149 | representation defined as part of the Open Firmware specifications, |
| 1208 | specifications, mainly because the boards that contain these SOCs are | 1150 | mainly because the boards that contain these SoCs are not currently |
| 1209 | not currently booted using open firmware. This section contains | 1151 | booted using Open Firmware. Binding documentation for new devices |
| 1210 | descriptions for the SOC devices for which new nodes have been | 1152 | should be added to the Documentation/devicetree/bindings directory. |
| 1211 | defined; this list will expand as more and more SOC-containing | 1153 | That directory will expand as device tree support is added to more and |
| 1212 | platforms are moved over to use the flattened-device-tree model. | 1154 | more SoCs. |
| 1155 | |||
| 1213 | 1156 | ||
| 1214 | VII - Specifying interrupt information for devices | 1157 | VII - Specifying interrupt information for devices |
| 1215 | =================================================== | 1158 | =================================================== |
| 1216 | 1159 | ||
| 1217 | The device tree represents the busses and devices of a hardware | 1160 | The device tree represents the buses and devices of a hardware |
| 1218 | system in a form similar to the physical bus topology of the | 1161 | system in a form similar to the physical bus topology of the |
| 1219 | hardware. | 1162 | hardware. |
| 1220 | 1163 | ||
| @@ -62,6 +62,10 @@ aic7*reg_print.c* · 61 unmodified lines | |||
| 62 | aic7*seq.h* | 62 | aic7*seq.h* |
| 63 | aicasm | 63 | aicasm |
| 64 | aicdb.h* | 64 | aicdb.h* |
| 65 | altivec1.c | ||
| 66 | altivec2.c | ||
| 67 | altivec4.c | ||
| 68 | altivec8.c | ||
| 65 | asm-offsets.h | 69 | asm-offsets.h |
| 66 | asm_offsets.h | 70 | asm_offsets.h |
| 67 | autoconf.h* | 71 | autoconf.h* |
| @@ -76,6 +80,7 @@ btfixupprep · 8 unmodified lines | |||
| 76 | build | 80 | build |
| 77 | bvmlinux | 81 | bvmlinux |
| 78 | bzImage* | 82 | bzImage* |
| 83 | capflags.c | ||
| 79 | classlist.h* | 84 | classlist.h* |
| 80 | comp*.log | 85 | comp*.log |
| 81 | compile.h* | 86 | compile.h* |
| @@ -94,6 +99,7 @@ devlist.h* · 12 unmodified lines | |||
| 94 | docproc | 99 | docproc |
| 95 | elf2ecoff | 100 | elf2ecoff |
| 96 | elfconfig.h* | 101 | elfconfig.h* |
| 102 | evergreen_reg_safe.h | ||
| 97 | fixdep | 103 | fixdep |
| 98 | flask.h | 104 | flask.h |
| 99 | fore200e_mkfirm | 105 | fore200e_mkfirm |
| @@ -108,9 +114,16 @@ genksyms · 8 unmodified lines | |||
| 108 | *_gray256.c | 114 | *_gray256.c |
| 109 | ihex2fw | 115 | ihex2fw |
| 110 | ikconfig.h* | 116 | ikconfig.h* |
| 117 | inat-tables.c | ||
| 111 | initramfs_data.cpio | 118 | initramfs_data.cpio |
| 112 | initramfs_data.cpio.gz | 119 | initramfs_data.cpio.gz |
| 113 | initramfs_list | 120 | initramfs_list |
| 121 | int16.c | ||
| 122 | int1.c | ||
| 123 | int2.c | ||
| 124 | int32.c | ||
| 125 | int4.c | ||
| 126 | int8.c | ||
| 114 | kallsyms | 127 | kallsyms |
| 115 | kconfig | 128 | kconfig |
| 116 | keywords.c | 129 | keywords.c |
| @@ -140,6 +153,7 @@ mkprep · 23 unmodified lines | |||
| 140 | mktables | 153 | mktables |
| 141 | mktree | 154 | mktree |
| 142 | modpost | 155 | modpost |
| 156 | modules.builtin | ||
| 143 | modules.order | 157 | modules.order |
| 144 | modversions.h* | 158 | modversions.h* |
| 145 | ncscope.* | 159 | ncscope.* |
| @@ -153,14 +167,23 @@ pca200e.bin · 7 unmodified lines | |||
| 153 | pca200e_ecd.bin2 | 167 | pca200e_ecd.bin2 |
| 154 | piggy.gz | 168 | piggy.gz |
| 155 | piggyback | 169 | piggyback |
| 170 | piggy.S | ||
| 156 | pnmtologo | 171 | pnmtologo |
| 157 | ppc_defs.h* | 172 | ppc_defs.h* |
| 158 | pss_boot.h | 173 | pss_boot.h |
| 159 | qconf | 174 | qconf |
| 175 | r100_reg_safe.h | ||
| 176 | r200_reg_safe.h | ||
| 177 | r300_reg_safe.h | ||
| 178 | r420_reg_safe.h | ||
| 179 | r600_reg_safe.h | ||
| 160 | raid6altivec*.c | 180 | raid6altivec*.c |
| 161 | raid6int*.c | 181 | raid6int*.c |
| 162 | raid6tables.c | 182 | raid6tables.c |
| 163 | relocs | 183 | relocs |
| 184 | rn50_reg_safe.h | ||
| 185 | rs600_reg_safe.h | ||
| 186 | rv515_reg_safe.h | ||
| 164 | series | 187 | series |
| 165 | setup | 188 | setup |
| 166 | setup.bin | 189 | setup.bin |
| @@ -169,6 +192,7 @@ sImage · 2 unmodified lines | |||
| 169 | sm_tbl* | 192 | sm_tbl* |
| 170 | split-include | 193 | split-include |
| 171 | syscalltab.h | 194 | syscalltab.h |
| 195 | tables.c | ||
| 172 | tags | 196 | tags |
| 173 | tftpboot.img | 197 | tftpboot.img |
| 174 | timeconst.h | 198 | timeconst.h |
| @@ -190,6 +214,7 @@ vmlinux · 15 unmodified lines | |||
| 190 | vmlinux-* | 214 | vmlinux-* |
| 191 | vmlinux.aout | 215 | vmlinux.aout |
| 192 | vmlinux.lds | 216 | vmlinux.lds |
| 217 | voffset.h | ||
| 193 | vsyscall.lds | 218 | vsyscall.lds |
| 194 | vsyscall_32.lds | 219 | vsyscall_32.lds |
| 195 | wanxlfw.inc | 220 | wanxlfw.inc |
| @@ -200,3 +225,4 @@ wakeup.elf · 4 unmodified lines | |||
| 200 | wakeup.lds | 225 | wakeup.lds |
| 201 | zImage* | 226 | zImage* |
| 202 | zconf.hash.c | 227 | zconf.hash.c |
| 228 | zoffset.h | ||
| @@ -46,7 +46,7 @@ and run · 45 unmodified lines | |||
| 46 | Other LG firmware can be extracted manually from US280D.sys | 46 | Other LG firmware can be extracted manually from US280D.sys |
| 47 | only found in windows/system32/driver. | 47 | only found in windows/system32/driver. |
| 48 | 48 | ||
| 49 | dd if=US280D.sys ibs=1 skip=42616 count=3668 of=dvb-usb-lme2510-lg.fw | 49 | dd if=US280D.sys ibs=1 skip=42360 count=3924 of=dvb-usb-lme2510-lg.fw |
| 50 | 50 | ||
| 51 | for DM04 LME2510C (LG Tuner) | 51 | for DM04 LME2510C (LG Tuner) |
| 52 | --------------------------- | 52 | --------------------------- |
| @@ -104,6 +104,13 @@ Then from the "Message" menu item, select insert file and choose your patch. · 103 unmodified lines | |||
| 104 | As an added bonus you can customise the message creation toolbar menu | 104 | As an added bonus you can customise the message creation toolbar menu |
| 105 | and put the "insert file" icon there. | 105 | and put the "insert file" icon there. |
| 106 | 106 | ||
| 107 | Make the the composer window wide enough so that no lines wrap. As of | ||
| 108 | KMail 1.13.5 (KDE 4.5.4), KMail will apply word wrapping when sending | ||
| 109 | the email if the lines wrap in the composer window. Having word wrapping | ||
| 110 | disabled in the Options menu isn't enough. Thus, if your patch has very | ||
| 111 | long lines, you must make the composer window very wide before sending | ||
| 112 | the email. See: https://bugs.kde.org/show_bug.cgi?id=174034 | ||
| 113 | |||
| 107 | You can safely GPG sign attachments, but inlined text is preferred for | 114 | You can safely GPG sign attachments, but inlined text is preferred for |
| 108 | patches so do not GPG sign them. Signing patches that have been inserted | 115 | patches so do not GPG sign them. Signing patches that have been inserted |
| 109 | as inlined text will make them tricky to extract from their 7-bit encoding. | 116 | as inlined text will make them tricky to extract from their 7-bit encoding. |
| @@ -179,26 +186,8 @@ Sylpheed (GUI) · 69 unmodified lines | |||
| 179 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 186 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 180 | Thunderbird (GUI) | 187 | Thunderbird (GUI) |
| 181 | 188 | ||
| 182 | By default, thunderbird likes to mangle text, but there are ways to | 189 | Thunderbird is an Outlook clone that likes to mangle text, but there are ways |
| 183 | coerce it into being nice. | 190 | to coerce it into behaving. |
| 184 | |||
| 185 | - Under account settings, composition and addressing, uncheck "Compose | ||
| 186 | messages in HTML format". | ||
| 187 | |||
| 188 | - Edit your Thunderbird config settings to tell it not to wrap lines: | ||
| 189 | user_pref("mailnews.wraplength", 0); | ||
| 190 | |||
| 191 | - Edit your Thunderbird config settings so that it won't use format=flowed: | ||
| 192 | user_pref("mailnews.send_plaintext_flowed", false); | ||
| 193 | |||
| 194 | - You need to get Thunderbird into preformat mode: | ||
| 195 | . If you compose HTML messages by default, it's not too hard. Just select | ||
| 196 | "Preformat" from the drop-down box just under the subject line. | ||
| 197 | . If you compose in text by default, you have to tell it to compose a new | ||
| 198 | message in HTML (just as a one-off), and then force it from there back to | ||
| 199 | text, else it will wrap lines. To do this, use shift-click on the Write | ||
| 200 | icon to compose to get HTML compose mode, then select "Preformat" from | ||
| 201 | the drop-down box just under the subject line. | ||
| 202 | 191 | ||
| 203 | - Allows use of an external editor: | 192 | - Allows use of an external editor: |
| 204 | The easiest thing to do with Thunderbird and patches is to use an | 193 | The easiest thing to do with Thunderbird and patches is to use an |
| @@ -208,6 +197,27 @@ coerce it into being nice. · 3 unmodified lines | |||
| 208 | View->Toolbars->Customize... and finally just click on it when in the | 197 | View->Toolbars->Customize... and finally just click on it when in the |
| 209 | Compose dialog. | 198 | Compose dialog. |
| 210 | 199 | ||
| 200 | To beat some sense out of the internal editor, do this: | ||
| 201 | |||
| 202 | - Under account settings, composition and addressing, uncheck "Compose | ||
| 203 | messages in HTML format". | ||
| 204 | |||
| 205 | - Edit your Thunderbird config settings so that it won't use format=flowed. | ||
| 206 | Go to "edit->preferences->advanced->config editor" to bring up the | ||
| 207 | thunderbird's registry editor, and set "mailnews.send_plaintext_flowed" to | ||
| 208 | "false". | ||
| 209 | |||
| 210 | - Enable "preformat" mode: Shft-click on the Write icon to bring up the HTML | ||
| 211 | composer, select "Preformat" from the drop-down box just under the subject | ||
| 212 | line, then close the message without saving. (This setting also applies to | ||
| 213 | the text composer, but the only control for it is in the HTML composer.) | ||
| 214 | |||
| 215 | - Install the "toggle wordwrap" extension. Download the file from: | ||
| 216 | https://addons.mozilla.org/thunderbird/addon/2351/ | ||
| 217 | Then go to "tools->add ons", select "install" at the bottom of the screen, | ||
| 218 | and browse to where you saved the .xul file. This adds an "Enable | ||
| 219 | Wordwrap" entry under the Options menu of the message composer. | ||
| 220 | |||
| 211 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 221 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 212 | TkRat (GUI) | 222 | TkRat (GUI) |
| 213 | 223 | ||
File renamed without changes.
| @@ -97,36 +97,38 @@ Who: Pavel Machek <pavel@ucw.cz> · 96 unmodified lines | |||
| 97 | 97 | ||
| 98 | --------------------------- | 98 | --------------------------- |
| 99 | 99 | ||
| 100 | What: Video4Linux API 1 ioctls and from Video devices. | ||
| 101 | When: kernel 2.6.38 | ||
| 102 | Files: include/linux/videodev.h | ||
| 103 | Check: include/linux/videodev.h | ||
| 104 | Why: V4L1 AP1 was replaced by V4L2 API during migration from 2.4 to 2.6 | ||
| 105 | series. The old API have lots of drawbacks and don't provide enough | ||
| 106 | means to work with all video and audio standards. The newer API is | ||
| 107 | already available on the main drivers and should be used instead. | ||
| 108 | Newer drivers should use v4l_compat_translate_ioctl function to handle | ||
| 109 | old calls, replacing to newer ones. | ||
| 110 | Decoder iocts are using internally to allow video drivers to | ||
| 111 | communicate with video decoders. This should also be improved to allow | ||
| 112 | V4L2 calls being translated into compatible internal ioctls. | ||
| 113 | Compatibility ioctls will be provided, for a while, via | ||
| 114 | v4l1-compat module. | ||
| 115 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> | ||
| 116 | |||
| 117 | --------------------------- | ||
| 118 | |||
| 119 | What: Video4Linux obsolete drivers using V4L1 API | 100 | What: Video4Linux obsolete drivers using V4L1 API |
| 120 | When: kernel 2.6.38 | 101 | When: kernel 2.6.39 |
| 121 | Files: drivers/staging/cpia/* drivers/staging/stradis/* | 102 | Files: drivers/staging/se401/* drivers/staging/usbvideo/* |
| 122 | Check: drivers/staging/cpia/cpia.c drivers/staging/stradis/stradis.c | 103 | Check: drivers/staging/se401/se401.c drivers/staging/usbvideo/usbvideo.c |
| 123 | Why: There are some drivers still using V4L1 API, despite all efforts we've done | 104 | Why: There are some drivers still using V4L1 API, despite all efforts we've done |
| 124 | to migrate. Those drivers are for obsolete hardware that the old maintainer | 105 | to migrate. Those drivers are for obsolete hardware that the old maintainer |
| 125 | didn't care (or not have the hardware anymore), and that no other developer | 106 | didn't care (or not have the hardware anymore), and that no other developer |
| 126 | could find any hardware to buy. They probably have no practical usage today, | 107 | could find any hardware to buy. They probably have no practical usage today, |
| 127 | and people with such old hardware could probably keep using an older version | 108 | and people with such old hardware could probably keep using an older version |
| 128 | of the kernel. Those drivers will be moved to staging on 2.6.37 and, if nobody | 109 | of the kernel. Those drivers will be moved to staging on 2.6.38 and, if nobody |
| 129 | care enough to port and test them with V4L2 API, they'll be removed on 2.6.38. | 110 | cares enough to port and test them with V4L2 API, they'll be removed on 2.6.39. |
| 111 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> | ||
| 112 | |||
| 113 | --------------------------- | ||
| 114 | |||
| 115 | What: Video4Linux: Remove obsolete ioctl's | ||
| 116 | When: kernel 2.6.39 | ||
| 117 | Files: include/media/videodev2.h | ||
| 118 | Why: Some ioctl's were defined wrong on 2.6.2 and 2.6.6, using the wrong | ||
| 119 | type of R/W arguments. They were fixed, but the old ioctl names are | ||
| 120 | still there, maintained to avoid breaking binary compatibility: | ||
| 121 | #define VIDIOC_OVERLAY_OLD _IOWR('V', 14, int) | ||
| 122 | #define VIDIOC_S_PARM_OLD _IOW('V', 22, struct v4l2_streamparm) | ||
| 123 | #define VIDIOC_S_CTRL_OLD _IOW('V', 28, struct v4l2_control) | ||
| 124 | #define VIDIOC_G_AUDIO_OLD _IOWR('V', 33, struct v4l2_audio) | ||
| 125 | #define VIDIOC_G_AUDOUT_OLD _IOWR('V', 49, struct v4l2_audioout) | ||
| 126 | #define VIDIOC_CROPCAP_OLD _IOR('V', 58, struct v4l2_cropcap) | ||
| 127 | There's no sense on preserving those forever, as it is very doubtful | ||
| 128 | that someone would try to use a such old binary with a modern kernel. | ||
| 129 | Removing them will allow us to remove some magic done at the V4L ioctl | ||
| 130 | handler. | ||
| 131 | |||
| 130 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> | 132 | Who: Mauro Carvalho Chehab <mchehab@infradead.org> |
| 131 | 133 | ||
| 132 | --------------------------- | 134 | --------------------------- |
| @@ -191,6 +193,20 @@ Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's · 58 unmodified lines | |||
| 191 | 193 | ||
| 192 | --------------------------- | 194 | --------------------------- |
| 193 | 195 | ||
| 196 | What: CS5535/CS5536 obsolete GPIO driver | ||
| 197 | When: June 2011 | ||
| 198 | Files: drivers/staging/cs5535_gpio/* | ||
| 199 | Check: drivers/staging/cs5535_gpio/cs5535_gpio.c | ||
| 200 | Why: A newer driver replaces this; it is drivers/gpio/cs5535-gpio.c, and | ||
| 201 | integrates with the Linux GPIO subsystem. The old driver has been | ||
| 202 | moved to staging, and will be removed altogether around 2.6.40. | ||
| 203 | Please test the new driver, and ensure that the functionality you | ||
| 204 | need and any bugfixes from the old driver are available in the new | ||
| 205 | one. | ||
| 206 | Who: Andres Salomon <dilinger@queued.net> | ||
| 207 | |||
| 208 | -------------------------- | ||
| 209 | |||
| 194 | What: remove EXPORT_SYMBOL(kernel_thread) | 210 | What: remove EXPORT_SYMBOL(kernel_thread) |
| 195 | When: August 2006 | 211 | When: August 2006 |
| 196 | Files: arch/*/kernel/*_ksyms.c | 212 | Files: arch/*/kernel/*_ksyms.c |
| @@ -232,6 +248,17 @@ Who: Zhang Rui <rui.zhang@intel.com> · 35 unmodified lines | |||
| 232 | 248 | ||
| 233 | --------------------------- | 249 | --------------------------- |
| 234 | 250 | ||
| 251 | What: CONFIG_ACPI_PROCFS_POWER | ||
| 252 | When: 2.6.39 | ||
| 253 | Why: sysfs I/F for ACPI power devices, including AC and Battery, | ||
| 254 | has been working in upstream kenrel since 2.6.24, Sep 2007. | ||
| 255 | In 2.6.37, we make the sysfs I/F always built in and this option | ||
| 256 | disabled by default. | ||
| 257 | Remove this option and the ACPI power procfs interface in 2.6.39. | ||
| 258 | Who: Zhang Rui <rui.zhang@intel.com> | ||
| 259 | |||
| 260 | --------------------------- | ||
| 261 | |||
| 235 | What: /proc/acpi/button | 262 | What: /proc/acpi/button |
| 236 | When: August 2007 | 263 | When: August 2007 |
| 237 | Why: /proc/acpi/button has been replaced by events to the input layer | 264 | Why: /proc/acpi/button has been replaced by events to the input layer |
| @@ -330,14 +357,6 @@ Who: Dave Jones <davej@redhat.com>, Matthew Garrett <mjg@redhat.com> · 92 unmodified lines | |||
| 330 | 357 | ||
| 331 | ----------------------------- | 358 | ----------------------------- |
| 332 | 359 | ||
| 333 | What: __do_IRQ all in one fits nothing interrupt handler | ||
| 334 | When: 2.6.32 | ||
| 335 | Why: __do_IRQ was kept for easy migration to the type flow handlers. | ||
| 336 | More than two years of migration time is enough. | ||
| 337 | Who: Thomas Gleixner <tglx@linutronix.de> | ||
| 338 | |||
| 339 | ----------------------------- | ||
| 340 | |||
| 341 | What: fakephp and associated sysfs files in /sys/bus/pci/slots/ | 360 | What: fakephp and associated sysfs files in /sys/bus/pci/slots/ |
| 342 | When: 2011 | 361 | When: 2011 |
| 343 | Why: In 2.6.27, the semantics of /sys/bus/pci/slots was redefined to | 362 | Why: In 2.6.27, the semantics of /sys/bus/pci/slots was redefined to |
| @@ -564,3 +583,39 @@ Why: This field is deprecated. I2C device drivers shouldn't change their · 220 unmodified lines | |||
| 564 | Who: Jean Delvare <khali@linux-fr.org> | 583 | Who: Jean Delvare <khali@linux-fr.org> |
| 565 | 584 | ||
| 566 | ---------------------------- | 585 | ---------------------------- |
| 586 | |||
| 587 | What: cancel_rearming_delayed_work[queue]() | ||
| 588 | When: 2.6.39 | ||
| 589 | |||
| 590 | Why: The functions have been superceded by cancel_delayed_work_sync() | ||
| 591 | quite some time ago. The conversion is trivial and there is no | ||
| 592 | in-kernel user left. | ||
| 593 | Who: Tejun Heo <tj@kernel.org> | ||
| 594 | |||
| 595 | ---------------------------- | ||
| 596 | |||
| 597 | What: Legacy, non-standard chassis intrusion detection interface. | ||
| 598 | When: June 2011 | ||
| 599 | Why: The adm9240, w83792d and w83793 hardware monitoring drivers have | ||
| 600 | legacy interfaces for chassis intrusion detection. A standard | ||
| 601 | interface has been added to each driver, so the legacy interface | ||
| 602 | can be removed. | ||
| 603 | Who: Jean Delvare <khali@linux-fr.org> | ||
| 604 | |||
| 605 | ---------------------------- | ||
| 606 | |||
| 607 | What: noswapaccount kernel command line parameter | ||
| 608 | When: 2.6.40 | ||
| 609 | Why: The original implementation of memsw feature enabled by | ||
| 610 | CONFIG_CGROUP_MEM_RES_CTLR_SWAP could be disabled by the noswapaccount | ||
| 611 | kernel parameter (introduced in 2.6.29-rc1). Later on, this decision | ||
| 612 | turned out to be not ideal because we cannot have the feature compiled | ||
| 613 | in and disabled by default and let only interested to enable it | ||
| 614 | (e.g. general distribution kernels might need it). Therefore we have | ||
| 615 | added swapaccount[=0|1] parameter (introduced in 2.6.37) which provides | ||
| 616 | the both possibilities. If we remove noswapaccount we will have | ||
| 617 | less command line parameters with the same functionality and we | ||
| 618 | can also cleanup the parameter handling a bit (). | ||
| 619 | Who: Michal Hocko <mhocko@suse.cz> | ||
| 620 | |||
| 621 | ---------------------------- | ||
| @@ -9,23 +9,30 @@ be able to use diff(1). · 8 unmodified lines | |||
| 9 | 9 | ||
| 10 | --------------------------- dentry_operations -------------------------- | 10 | --------------------------- dentry_operations -------------------------- |
| 11 | prototypes: | 11 | prototypes: |
| 12 | int (*d_revalidate)(struct dentry *, int); | 12 | int (*d_revalidate)(struct dentry *, struct nameidata *); |
| 13 | int (*d_hash) (struct dentry *, struct qstr *); | 13 | int (*d_hash)(const struct dentry *, const struct inode *, |
| 14 | int (*d_compare) (struct dentry *, struct qstr *, struct qstr *); | 14 | struct qstr *); |
| 15 | int (*d_compare)(const struct dentry *, const struct inode *, | ||
| 16 | const struct dentry *, const struct inode *, | ||
| 17 | unsigned int, const char *, const struct qstr *); | ||
| 15 | int (*d_delete)(struct dentry *); | 18 | int (*d_delete)(struct dentry *); |
| 16 | void (*d_release)(struct dentry *); | 19 | void (*d_release)(struct dentry *); |
| 17 | void (*d_iput)(struct dentry *, struct inode *); | 20 | void (*d_iput)(struct dentry *, struct inode *); |
| 18 | char *(*d_dname)((struct dentry *dentry, char *buffer, int buflen); | 21 | char *(*d_dname)((struct dentry *dentry, char *buffer, int buflen); |
| 22 | struct vfsmount *(*d_automount)(struct path *path); | ||
| 23 | int (*d_manage)(struct dentry *, bool); | ||
| 19 | 24 | ||
| 20 | locking rules: | 25 | locking rules: |
| 21 | dcache_lock rename_lock ->d_lock may block | 26 | rename_lock ->d_lock may block rcu-walk |
| 22 | d_revalidate: no no no yes | 27 | d_revalidate: no no yes (ref-walk) maybe |
| 23 | d_hash no no no yes | 28 | d_hash no no no maybe |
| 24 | d_compare: no yes no no | 29 | d_compare: yes no no maybe |
| 25 | d_delete: yes no yes no | 30 | d_delete: no yes no no |
| 26 | d_release: no no no yes | 31 | d_release: no no yes no |
| 27 | d_iput: no no no yes | 32 | d_iput: no no yes no |
| 28 | d_dname: no no no no | 33 | d_dname: no no no no |
| 34 | d_automount: no no yes no | ||
| 35 | d_manage: no no yes (ref-walk) maybe | ||
| 29 | 36 | ||
| 30 | --------------------------- inode_operations --------------------------- | 37 | --------------------------- inode_operations --------------------------- |
| 31 | prototypes: | 38 | prototypes: |
| @@ -44,8 +51,8 @@ ata *); · 12 unmodified lines | |||
| 44 | void * (*follow_link) (struct dentry *, struct nameidata *); | 51 | void * (*follow_link) (struct dentry *, struct nameidata *); |
| 45 | void (*put_link) (struct dentry *, struct nameidata *, void *); | 52 | void (*put_link) (struct dentry *, struct nameidata *, void *); |
| 46 | void (*truncate) (struct inode *); | 53 | void (*truncate) (struct inode *); |
| 47 | int (*permission) (struct inode *, int, struct nameidata *); | 54 | int (*permission) (struct inode *, int, unsigned int); |
| 48 | int (*check_acl)(struct inode *, int); | 55 | int (*check_acl)(struct inode *, int, unsigned int); |
| 49 | int (*setattr) (struct dentry *, struct iattr *); | 56 | int (*setattr) (struct dentry *, struct iattr *); |
| 50 | int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *); | 57 | int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *); |
| 51 | int (*setxattr) (struct dentry *, const char *,const void *,size_t,int); | 58 | int (*setxattr) (struct dentry *, const char *,const void *,size_t,int); |
| @@ -53,7 +60,6 @@ ata *); · 1 unmodified line | |||
| 53 | ssize_t (*listxattr) (struct dentry *, char *, size_t); | 60 | ssize_t (*listxattr) (struct dentry *, char *, size_t); |
| 54 | int (*removexattr) (struct dentry *, const char *); | 61 | int (*removexattr) (struct dentry *, const char *); |
| 55 | void (*truncate_range)(struct inode *, loff_t, loff_t); | 62 | void (*truncate_range)(struct inode *, loff_t, loff_t); |
| 56 | long (*fallocate)(struct inode *inode, int mode, loff_t offset, loff_t len); | ||
| 57 | int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); | 63 | int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); |
| 58 | 64 | ||
| 59 | locking rules: | 65 | locking rules: |
| @@ -73,7 +79,7 @@ follow_link: no · 13 unmodified lines | |||
| 73 | put_link: no | 79 | put_link: no |
| 74 | truncate: yes (see below) | 80 | truncate: yes (see below) |
| 75 | setattr: yes | 81 | setattr: yes |
| 76 | permission: no | 82 | permission: no (may not block if called in rcu-walk mode) |
| 77 | check_acl: no | 83 | check_acl: no |
| 78 | getattr: no | 84 | getattr: no |
| 79 | setxattr: yes | 85 | setxattr: yes |
| @@ -81,7 +87,6 @@ getxattr: no · 1 unmodified line | |||
| 81 | listxattr: no | 87 | listxattr: no |
| 82 | removexattr: yes | 88 | removexattr: yes |
| 83 | truncate_range: yes | 89 | truncate_range: yes |
| 84 | fallocate: no | ||
| 85 | fiemap: no | 90 | fiemap: no |
| 86 | Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on | 91 | Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on |
| 87 | victim. | 92 | victim. |
| @@ -340,7 +345,6 @@ prototypes: · 252 unmodified lines | |||
| 340 | int (*fl_grant)(struct file_lock *, struct file_lock *, int); | 345 | int (*fl_grant)(struct file_lock *, struct file_lock *, int); |
| 341 | void (*fl_release_private)(struct file_lock *); | 346 | void (*fl_release_private)(struct file_lock *); |
| 342 | void (*fl_break)(struct file_lock *); /* break_lease callback */ | 347 | void (*fl_break)(struct file_lock *); /* break_lease callback */ |
| 343 | int (*fl_mylease)(struct file_lock *, struct file_lock *); | ||
| 344 | int (*fl_change)(struct file_lock **, int); | 348 | int (*fl_change)(struct file_lock **, int); |
| 345 | 349 | ||
| 346 | locking rules: | 350 | locking rules: |
| @@ -350,7 +354,6 @@ fl_notify: yes no · 3 unmodified lines | |||
| 350 | fl_grant: no no | 354 | fl_grant: no no |
| 351 | fl_release_private: maybe no | 355 | fl_release_private: maybe no |
| 352 | fl_break: yes no | 356 | fl_break: yes no |
| 353 | fl_mylease: yes no | ||
| 354 | fl_change yes no | 357 | fl_change yes no |
| 355 | 358 | ||
| 356 | --------------------------- buffer_head ----------------------------------- | 359 | --------------------------- buffer_head ----------------------------------- |
| @@ -432,6 +435,7 @@ prototypes: · 75 unmodified lines | |||
| 432 | ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, | 435 | ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, |
| 433 | size_t, unsigned int); | 436 | size_t, unsigned int); |
| 434 | int (*setlease)(struct file *, long, struct file_lock **); | 437 | int (*setlease)(struct file *, long, struct file_lock **); |
| 438 | long (*fallocate)(struct file *, int, loff_t, loff_t); | ||
| 435 | }; | 439 | }; |
| 436 | 440 | ||
| 437 | locking rules: | 441 | locking rules: |
| @@ -1,174 +0,0 @@ | |||
| 1 | RCU-based dcache locking model | ||
| 2 | ============================== | ||
| 3 | |||
| 4 | On many workloads, the most common operation on dcache is to look up a | ||
| 5 | dentry, given a parent dentry and the name of the child. Typically, | ||
| 6 | for every open(), stat() etc., the dentry corresponding to the | ||
| 7 | pathname will be looked up by walking the tree starting with the first | ||
| 8 | component of the pathname and using that dentry along with the next | ||
| 9 | component to look up the next level and so on. Since it is a frequent | ||
| 10 | operation for workloads like multiuser environments and web servers, | ||
| 11 | it is important to optimize this path. | ||
| 12 | |||
| 13 | Prior to 2.5.10, dcache_lock was acquired in d_lookup and thus in | ||
| 14 | every component during path look-up. Since 2.5.10 onwards, fast-walk | ||
| 15 | algorithm changed this by holding the dcache_lock at the beginning and | ||
| 16 | walking as many cached path component dentries as possible. This | ||
| 17 | significantly decreases the number of acquisition of | ||
| 18 | dcache_lock. However it also increases the lock hold time | ||
| 19 | significantly and affects performance in large SMP machines. Since | ||
| 20 | 2.5.62 kernel, dcache has been using a new locking model that uses RCU | ||
| 21 | to make dcache look-up lock-free. | ||
| 22 | |||
| 23 | The current dcache locking model is not very different from the | ||
| 24 | existing dcache locking model. Prior to 2.5.62 kernel, dcache_lock | ||
| 25 | protected the hash chain, d_child, d_alias, d_lru lists as well as | ||
| 26 | d_inode and several other things like mount look-up. RCU-based changes | ||
| 27 | affect only the way the hash chain is protected. For everything else | ||
| 28 | the dcache_lock must be taken for both traversing as well as | ||
| 29 | updating. The hash chain updates too take the dcache_lock. The | ||
| 30 | significant change is the way d_lookup traverses the hash chain, it | ||
| 31 | doesn't acquire the dcache_lock for this and rely on RCU to ensure | ||
| 32 | that the dentry has not been *freed*. | ||
| 33 | |||
| 34 | |||
| 35 | Dcache locking details | ||
| 36 | ====================== | ||
| 37 | |||
| 38 | For many multi-user workloads, open() and stat() on files are very | ||
| 39 | frequently occurring operations. Both involve walking of path names to | ||
| 40 | find the dentry corresponding to the concerned file. In 2.4 kernel, | ||
| 41 | dcache_lock was held during look-up of each path component. Contention | ||
| 42 | and cache-line bouncing of this global lock caused significant | ||
| 43 | scalability problems. With the introduction of RCU in Linux kernel, | ||
| 44 | this was worked around by making the look-up of path components during | ||
| 45 | path walking lock-free. | ||
| 46 | |||
| 47 | |||
| 48 | Safe lock-free look-up of dcache hash table | ||
| 49 | =========================================== | ||
| 50 | |||
| 51 | Dcache is a complex data structure with the hash table entries also | ||
| 52 | linked together in other lists. In 2.4 kernel, dcache_lock protected | ||
| 53 | all the lists. We applied RCU only on hash chain walking. The rest of | ||
| 54 | the lists are still protected by dcache_lock. Some of the important | ||
| 55 | changes are : | ||
| 56 | |||
| 57 | 1. The deletion from hash chain is done using hlist_del_rcu() macro | ||
| 58 | which doesn't initialize next pointer of the deleted dentry and | ||
| 59 | this allows us to walk safely lock-free while a deletion is | ||
| 60 | happening. | ||
| 61 | |||
| 62 | 2. Insertion of a dentry into the hash table is done using | ||
| 63 | hlist_add_head_rcu() which take care of ordering the writes - the | ||
| 64 | writes to the dentry must be visible before the dentry is | ||
| 65 | inserted. This works in conjunction with hlist_for_each_rcu(), | ||
| 66 | which has since been replaced by hlist_for_each_entry_rcu(), while | ||
| 67 | walking the hash chain. The only requirement is that all | ||
| 68 | initialization to the dentry must be done before | ||
| 69 | hlist_add_head_rcu() since we don't have dcache_lock protection | ||
| 70 | while traversing the hash chain. This isn't different from the | ||
| 71 | existing code. | ||
| 72 | |||
| 73 | 3. The dentry looked up without holding dcache_lock by cannot be | ||
| 74 | returned for walking if it is unhashed. It then may have a NULL | ||
| 75 | d_inode or other bogosity since RCU doesn't protect the other | ||
| 76 | fields in the dentry. We therefore use a flag DCACHE_UNHASHED to | ||
| 77 | indicate unhashed dentries and use this in conjunction with a | ||
| 78 | per-dentry lock (d_lock). Once looked up without the dcache_lock, | ||
| 79 | we acquire the per-dentry lock (d_lock) and check if the dentry is | ||
| 80 | unhashed. If so, the look-up is failed. If not, the reference count | ||
| 81 | of the dentry is increased and the dentry is returned. | ||
| 82 | |||
| 83 | 4. Once a dentry is looked up, it must be ensured during the path walk | ||
| 84 | for that component it doesn't go away. In pre-2.5.10 code, this was | ||
| 85 | done holding a reference to the dentry. dcache_rcu does the same. | ||
| 86 | In some sense, dcache_rcu path walking looks like the pre-2.5.10 | ||
| 87 | version. | ||
| 88 | |||
| 89 | 5. All dentry hash chain updates must take the dcache_lock as well as | ||
| 90 | the per-dentry lock in that order. dput() does this to ensure that | ||
| 91 | a dentry that has just been looked up in another CPU doesn't get | ||
| 92 | deleted before dget() can be done on it. | ||
| 93 | |||
| 94 | 6. There are several ways to do reference counting of RCU protected | ||
| 95 | objects. One such example is in ipv4 route cache where deferred | ||
| 96 | freeing (using call_rcu()) is done as soon as the reference count | ||
| 97 | goes to zero. This cannot be done in the case of dentries because | ||
| 98 | tearing down of dentries require blocking (dentry_iput()) which | ||
| 99 | isn't supported from RCU callbacks. Instead, tearing down of | ||
| 100 | dentries happen synchronously in dput(), but actual freeing happens | ||
| 101 | later when RCU grace period is over. This allows safe lock-free | ||
| 102 | walking of the hash chains, but a matched dentry may have been | ||
| 103 | partially torn down. The checking of DCACHE_UNHASHED flag with | ||
| 104 | d_lock held detects such dentries and prevents them from being | ||
| 105 | returned from look-up. | ||
| 106 | |||
| 107 | |||
| 108 | Maintaining POSIX rename semantics | ||
| 109 | ================================== | ||
| 110 | |||
| 111 | Since look-up of dentries is lock-free, it can race against a | ||
| 112 | concurrent rename operation. For example, during rename of file A to | ||
| 113 | B, look-up of either A or B must succeed. So, if look-up of B happens | ||
| 114 | after A has been removed from the hash chain but not added to the new | ||
| 115 | hash chain, it may fail. Also, a comparison while the name is being | ||
| 116 | written concurrently by a rename may result in false positive matches | ||
| 117 | violating rename semantics. Issues related to race with rename are | ||
| 118 | handled as described below : | ||
| 119 | |||
| 120 | 1. Look-up can be done in two ways - d_lookup() which is safe from | ||
| 121 | simultaneous renames and __d_lookup() which is not. If | ||
| 122 | __d_lookup() fails, it must be followed up by a d_lookup() to | ||
| 123 | correctly determine whether a dentry is in the hash table or | ||
| 124 | not. d_lookup() protects look-ups using a sequence lock | ||
| 125 | (rename_lock). | ||
| 126 | |||
| 127 | 2. The name associated with a dentry (d_name) may be changed if a | ||
| 128 | rename is allowed to happen simultaneously. To avoid memcmp() in | ||
| 129 | __d_lookup() go out of bounds due to a rename and false positive | ||
| 130 | comparison, the name comparison is done while holding the | ||
| 131 | per-dentry lock. This prevents concurrent renames during this | ||
| 132 | operation. | ||
| 133 | |||
| 134 | 3. Hash table walking during look-up may move to a different bucket as | ||
| 135 | the current dentry is moved to a different bucket due to rename. | ||
| 136 | But we use hlists in dcache hash table and they are | ||
| 137 | null-terminated. So, even if a dentry moves to a different bucket, | ||
| 138 | hash chain walk will terminate. [with a list_head list, it may not | ||
| 139 | since termination is when the list_head in the original bucket is | ||
| 140 | reached]. Since we redo the d_parent check and compare name while | ||
| 141 | holding d_lock, lock-free look-up will not race against d_move(). | ||
| 142 | |||
| 143 | 4. There can be a theoretical race when a dentry keeps coming back to | ||
| 144 | original bucket due to double moves. Due to this look-up may | ||
| 145 | consider that it has never moved and can end up in a infinite loop. | ||
| 146 | But this is not any worse that theoretical livelocks we already | ||
| 147 | have in the kernel. | ||
| 148 | |||
| 149 | |||
| 150 | Important guidelines for filesystem developers related to dcache_rcu | ||
| 151 | ==================================================================== | ||
| 152 | |||
| 153 | 1. Existing dcache interfaces (pre-2.5.62) exported to filesystem | ||
| 154 | don't change. Only dcache internal implementation changes. However | ||
| 155 | filesystems *must not* delete from the dentry hash chains directly | ||
| 156 | using the list macros like allowed earlier. They must use dcache | ||
| 157 | APIs like d_drop() or __d_drop() depending on the situation. | ||
| 158 | |||
| 159 | 2. d_flags is now protected by a per-dentry lock (d_lock). All access | ||
| 160 | to d_flags must be protected by it. | ||
| 161 | |||
| 162 | 3. For a hashed dentry, checking of d_count needs to be protected by | ||
| 163 | d_lock. | ||
| 164 | |||
| 165 | |||
| 166 | Papers and other documentation on dcache locking | ||
| 167 | ================================================ | ||
| 168 | |||
| 169 | 1. Scaling dcache with RCU (http://linuxjournal.com/article.php?sid=7124). | ||
| 170 | |||
| 171 | 2. http://lse.sourceforge.net/locking/dcache/dcache.html | ||
| 172 | |||
| 173 | |||
| 174 | |||
| @@ -457,6 +457,11 @@ ChangeLog · 456 unmodified lines | |||
| 457 | 457 | ||
| 458 | Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog. | 458 | Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog. |
| 459 | 459 | ||
| 460 | 2.1.30: | ||
| 461 | - Fix writev() (it kept writing the first segment over and over again | ||
| 462 | instead of moving onto subsequent segments). | ||
| 463 | - Fix crash in ntfs_mft_record_alloc() when mapping the new extent mft | ||
| 464 | record failed. | ||
| 460 | 2.1.29: | 465 | 2.1.29: |
| 461 | - Fix a deadlock when mounting read-write. | 466 | - Fix a deadlock when mounting read-write. |
| 462 | 2.1.28: | 467 | 2.1.28: |
| @@ -0,0 +1,382 @@ | |||
| 1 | Path walking and name lookup locking | ||
| 2 | ==================================== | ||
| 3 | |||
| 4 | Path resolution is the finding a dentry corresponding to a path name string, by | ||
| 5 | performing a path walk. Typically, for every open(), stat() etc., the path name | ||
| 6 | will be resolved. Paths are resolved by walking the namespace tree, starting | ||
| 7 | with the first component of the pathname (eg. root or cwd) with a known dentry, | ||
| 8 | then finding the child of that dentry, which is named the next component in the | ||
| 9 | path string. Then repeating the lookup from the child dentry and finding its | ||
| 10 | child with the next element, and so on. | ||
| 11 | |||
| 12 | Since it is a frequent operation for workloads like multiuser environments and | ||
| 13 | web servers, it is important to optimize this code. | ||
| 14 | |||
| 15 | Path walking synchronisation history: | ||
| 16 | Prior to 2.5.10, dcache_lock was acquired in d_lookup (dcache hash lookup) and | ||
| 17 | thus in every component during path look-up. Since 2.5.10 onwards, fast-walk | ||
| 18 | algorithm changed this by holding the dcache_lock at the beginning and walking | ||
| 19 | as many cached path component dentries as possible. This significantly | ||
| 20 | decreases the number of acquisition of dcache_lock. However it also increases | ||
| 21 | the lock hold time significantly and affects performance in large SMP machines. | ||
| 22 | Since 2.5.62 kernel, dcache has been using a new locking model that uses RCU to | ||
| 23 | make dcache look-up lock-free. | ||
| 24 | |||
| 25 | All the above algorithms required taking a lock and reference count on the | ||
| 26 | dentry that was looked up, so that may be used as the basis for walking the | ||
| 27 | next path element. This is inefficient and unscalable. It is inefficient | ||
| 28 | because of the locks and atomic operations required for every dentry element | ||
| 29 | slows things down. It is not scalable because many parallel applications that | ||
| 30 | are path-walk intensive tend to do path lookups starting from a common dentry | ||
| 31 | (usually, the root "/" or current working directory). So contention on these | ||
| 32 | common path elements causes lock and cacheline queueing. | ||
| 33 | |||
| 34 | Since 2.6.38, RCU is used to make a significant part of the entire path walk | ||
| 35 | (including dcache look-up) completely "store-free" (so, no locks, atomics, or | ||
| 36 | even stores into cachelines of common dentries). This is known as "rcu-walk" | ||
| 37 | path walking. | ||
| 38 | |||
| 39 | Path walking overview | ||
| 40 | ===================== | ||
| 41 | |||
| 42 | A name string specifies a start (root directory, cwd, fd-relative) and a | ||
| 43 | sequence of elements (directory entry names), which together refer to a path in | ||
| 44 | the namespace. A path is represented as a (dentry, vfsmount) tuple. The name | ||
| 45 | elements are sub-strings, seperated by '/'. | ||
| 46 | |||
| 47 | Name lookups will want to find a particular path that a name string refers to | ||
| 48 | (usually the final element, or parent of final element). This is done by taking | ||
| 49 | the path given by the name's starting point (which we know in advance -- eg. | ||
| 50 | current->fs->cwd or current->fs->root) as the first parent of the lookup. Then | ||
| 51 | iteratively for each subsequent name element, look up the child of the current | ||
| 52 | parent with the given name and if it is not the desired entry, make it the | ||
| 53 | parent for the next lookup. | ||
| 54 | |||
| 55 | A parent, of course, must be a directory, and we must have appropriate | ||
| 56 | permissions on the parent inode to be able to walk into it. | ||
| 57 | |||
| 58 | Turning the child into a parent for the next lookup requires more checks and | ||
| 59 | procedures. Symlinks essentially substitute the symlink name for the target | ||
| 60 | name in the name string, and require some recursive path walking. Mount points | ||
| 61 | must be followed into (thus changing the vfsmount that subsequent path elements | ||
| 62 | refer to), switching from the mount point path to the root of the particular | ||
| 63 | mounted vfsmount. These behaviours are variously modified depending on the | ||
| 64 | exact path walking flags. | ||
| 65 | |||
| 66 | Path walking then must, broadly, do several particular things: | ||
| 67 | - find the start point of the walk; | ||
| 68 | - perform permissions and validity checks on inodes; | ||
| 69 | - perform dcache hash name lookups on (parent, name element) tuples; | ||
| 70 | - traverse mount points; | ||
| 71 | - traverse symlinks; | ||
| 72 | - lookup and create missing parts of the path on demand. | ||
| 73 | |||
| 74 | Safe store-free look-up of dcache hash table | ||
| 75 | ============================================ | ||
| 76 | |||
| 77 | Dcache name lookup | ||
| 78 | ------------------ | ||
| 79 | In order to lookup a dcache (parent, name) tuple, we take a hash on the tuple | ||
| 80 | and use that to select a bucket in the dcache-hash table. The list of entries | ||
| 81 | in that bucket is then walked, and we do a full comparison of each entry | ||
| 82 | against our (parent, name) tuple. | ||
| 83 | |||
| 84 | The hash lists are RCU protected, so list walking is not serialised with | ||
| 85 | concurrent updates (insertion, deletion from the hash). This is a standard RCU | ||
| 86 | list application with the exception of renames, which will be covered below. | ||
| 87 | |||
| 88 | Parent and name members of a dentry, as well as its membership in the dcache | ||
| 89 | hash, and its inode are protected by the per-dentry d_lock spinlock. A | ||
| 90 | reference is taken on the dentry (while the fields are verified under d_lock), | ||
| 91 | and this stabilises its d_inode pointer and actual inode. This gives a stable | ||
| 92 | point to perform the next step of our path walk against. | ||
| 93 | |||
| 94 | These members are also protected by d_seq seqlock, although this offers | ||
| 95 | read-only protection and no durability of results, so care must be taken when | ||
| 96 | using d_seq for synchronisation (see seqcount based lookups, below). | ||
| 97 | |||
| 98 | Renames | ||
| 99 | ------- | ||
| 100 | Back to the rename case. In usual RCU protected lists, the only operations that | ||
| 101 | will happen to an object is insertion, and then eventually removal from the | ||
| 102 | list. The object will not be reused until an RCU grace period is complete. | ||
| 103 | This ensures the RCU list traversal primitives can run over the object without | ||
| 104 | problems (see RCU documentation for how this works). | ||
| 105 | |||
| 106 | However when a dentry is renamed, its hash value can change, requiring it to be | ||
| 107 | moved to a new hash list. Allocating and inserting a new alias would be | ||
| 108 | expensive and also problematic for directory dentries. Latency would be far to | ||
| 109 | high to wait for a grace period after removing the dentry and before inserting | ||
| 110 | it in the new hash bucket. So what is done is to insert the dentry into the | ||
| 111 | new list immediately. | ||
| 112 | |||
| 113 | However, when the dentry's list pointers are updated to point to objects in the | ||
| 114 | new list before waiting for a grace period, this can result in a concurrent RCU | ||
| 115 | lookup of the old list veering off into the new (incorrect) list and missing | ||
| 116 | the remaining dentries on the list. | ||
| 117 | |||
| 118 | There is no fundamental problem with walking down the wrong list, because the | ||
| 119 | dentry comparisons will never match. However it is fatal to miss a matching | ||
| 120 | dentry. So a seqlock is used to detect when a rename has occurred, and so the | ||
| 121 | lookup can be retried. | ||
| 122 | |||
| 123 | 1 2 3 | ||
| 124 | +---+ +---+ +---+ | ||
| 125 | hlist-->| N-+->| N-+->| N-+-> | ||
| 126 | head <--+-P |<-+-P |<-+-P | | ||
| 127 | +---+ +---+ +---+ | ||
| 128 | |||
| 129 | Rename of dentry 2 may require it deleted from the above list, and inserted | ||
| 130 | into a new list. Deleting 2 gives the following list. | ||
| 131 | |||
| 132 | 1 3 | ||
| 133 | +---+ +---+ (don't worry, the longer pointers do not | ||
| 134 | hlist-->| N-+-------->| N-+-> impose a measurable performance overhead | ||
| 135 | head <--+-P |<--------+-P | on modern CPUs) | ||
| 136 | +---+ +---+ | ||
| 137 | ^ 2 ^ | ||
| 138 | | +---+ | | ||
| 139 | | | N-+----+ | ||
| 140 | +----+-P | | ||
| 141 | +---+ | ||
| 142 | |||
| 143 | This is a standard RCU-list deletion, which leaves the deleted object's | ||
| 144 | pointers intact, so a concurrent list walker that is currently looking at | ||
| 145 | object 2 will correctly continue to object 3 when it is time to traverse the | ||
| 146 | next object. | ||
| 147 | |||
| 148 | However, when inserting object 2 onto a new list, we end up with this: | ||
| 149 | |||
| 150 | 1 3 | ||
| 151 | +---+ +---+ | ||
| 152 | hlist-->| N-+-------->| N-+-> | ||
| 153 | head <--+-P |<--------+-P | | ||
| 154 | +---+ +---+ | ||
| 155 | 2 | ||
| 156 | +---+ | ||
| 157 | | N-+----> | ||
| 158 | <----+-P | | ||
| 159 | +---+ | ||
| 160 | |||
| 161 | Because we didn't wait for a grace period, there may be a concurrent lookup | ||
| 162 | still at 2. Now when it follows 2's 'next' pointer, it will walk off into | ||
| 163 | another list without ever having checked object 3. | ||
| 164 | |||
| 165 | A related, but distinctly different, issue is that of rename atomicity versus | ||
| 166 | lookup operations. If a file is renamed from 'A' to 'B', a lookup must only | ||
| 167 | find either 'A' or 'B'. So if a lookup of 'A' returns NULL, a subsequent lookup | ||
| 168 | of 'B' must succeed (note the reverse is not true). | ||
| 169 | |||
| 170 | Between deleting the dentry from the old hash list, and inserting it on the new | ||
| 171 | hash list, a lookup may find neither 'A' nor 'B' matching the dentry. The same | ||
| 172 | rename seqlock is also used to cover this race in much the same way, by | ||
| 173 | retrying a negative lookup result if a rename was in progress. | ||
| 174 | |||
| 175 | Seqcount based lookups | ||
| 176 | ---------------------- | ||
| 177 | In refcount based dcache lookups, d_lock is used to serialise access to | ||
| 178 | the dentry, stabilising it while comparing its name and parent and then | ||
| 179 | taking a reference count (the reference count then gives a stable place to | ||
| 180 | start the next part of the path walk from). | ||
| 181 | |||
| 182 | As explained above, we would like to do path walking without taking locks or | ||
| 183 | reference counts on intermediate dentries along the path. To do this, a per | ||
| 184 | dentry seqlock (d_seq) is used to take a "coherent snapshot" of what the dentry | ||
| 185 | looks like (its name, parent, and inode). That snapshot is then used to start | ||
| 186 | the next part of the path walk. When loading the coherent snapshot under d_seq, | ||
| 187 | care must be taken to load the members up-front, and use those pointers rather | ||
| 188 | than reloading from the dentry later on (otherwise we'd have interesting things | ||
| 189 | like d_inode going NULL underneath us, if the name was unlinked). | ||
| 190 | |||
| 191 | Also important is to avoid performing any destructive operations (pretty much: | ||
| 192 | no non-atomic stores to shared data), and to recheck the seqcount when we are | ||
| 193 | "done" with the operation. Retry or abort if the seqcount does not match. | ||
| 194 | Avoiding destructive or changing operations means we can easily unwind from | ||
| 195 | failure. | ||
| 196 | |||
| 197 | What this means is that a caller, provided they are holding RCU lock to | ||
| 198 | protect the dentry object from disappearing, can perform a seqcount based | ||
| 199 | lookup which does not increment the refcount on the dentry or write to | ||
| 200 | it in any way. This returned dentry can be used for subsequent operations, | ||
| 201 | provided that d_seq is rechecked after that operation is complete. | ||
| 202 | |||
| 203 | Inodes are also rcu freed, so the seqcount lookup dentry's inode may also be | ||
| 204 | queried for permissions. | ||
| 205 | |||
| 206 | With this two parts of the puzzle, we can do path lookups without taking | ||
| 207 | locks or refcounts on dentry elements. | ||
| 208 | |||
| 209 | RCU-walk path walking design | ||
| 210 | ============================ | ||
| 211 | |||
| 212 | Path walking code now has two distinct modes, ref-walk and rcu-walk. ref-walk | ||
| 213 | is the traditional[*] way of performing dcache lookups using d_lock to | ||
| 214 | serialise concurrent modifications to the dentry and take a reference count on | ||
| 215 | it. ref-walk is simple and obvious, and may sleep, take locks, etc while path | ||
| 216 | walking is operating on each dentry. rcu-walk uses seqcount based dentry | ||
| 217 | lookups, and can perform lookup of intermediate elements without any stores to | ||
| 218 | shared data in the dentry or inode. rcu-walk can not be applied to all cases, | ||
| 219 | eg. if the filesystem must sleep or perform non trivial operations, rcu-walk | ||
| 220 | must be switched to ref-walk mode. | ||
| 221 | |||
| 222 | [*] RCU is still used for the dentry hash lookup in ref-walk, but not the full | ||
| 223 | path walk. | ||
| 224 | |||
| 225 | Where ref-walk uses a stable, refcounted ``parent'' to walk the remaining | ||
| 226 | path string, rcu-walk uses a d_seq protected snapshot. When looking up a | ||
| 227 | child of this parent snapshot, we open d_seq critical section on the child | ||
| 228 | before closing d_seq critical section on the parent. This gives an interlocking | ||
| 229 | ladder of snapshots to walk down. | ||
| 230 | |||
| 231 | |||
| 232 | proc 101 | ||
| 233 | /----------------\ | ||
| 234 | / comm: "vi" \ | ||
| 235 | / fs.root: dentry0 \ | ||
| 236 | \ fs.cwd: dentry2 / | ||
| 237 | \ / | ||
| 238 | \----------------/ | ||
| 239 | |||
| 240 | So when vi wants to open("/home/npiggin/test.c", O_RDWR), then it will | ||
| 241 | start from current->fs->root, which is a pinned dentry. Alternatively, | ||
| 242 | "./test.c" would start from cwd; both names refer to the same path in | ||
| 243 | the context of proc101. | ||
| 244 | |||
| 245 | dentry 0 | ||
| 246 | +---------------------+ rcu-walk begins here, we note d_seq, check the | ||
| 247 | | name: "/" | inode's permission, and then look up the next | ||
| 248 | | inode: 10 | path element which is "home"... | ||
| 249 | | children:"home", ...| | ||
| 250 | +---------------------+ | ||
| 251 | | | ||
| 252 | dentry 1 V | ||
| 253 | +---------------------+ ... which brings us here. We find dentry1 via | ||
| 254 | | name: "home" | hash lookup, then note d_seq and compare name | ||
| 255 | | inode: 678 | string and parent pointer. When we have a match, | ||
| 256 | | children:"npiggin" | we now recheck the d_seq of dentry0. Then we | ||
| 257 | +---------------------+ check inode and look up the next element. | ||
| 258 | | | ||
| 259 | dentry2 V | ||
| 260 | +---------------------+ Note: if dentry0 is now modified, lookup is | ||
| 261 | | name: "npiggin" | not necessarily invalid, so we need only keep a | ||
| 262 | | inode: 543 | parent for d_seq verification, and grandparents | ||
| 263 | | children:"a.c", ... | can be forgotten. | ||
| 264 | +---------------------+ | ||
| 265 | | | ||
| 266 | dentry3 V | ||
| 267 | +---------------------+ At this point we have our destination dentry. | ||
| 268 | | name: "a.c" | We now take its d_lock, verify d_seq of this | ||
| 269 | | inode: 14221 | dentry. If that checks out, we can increment | ||
| 270 | | children:NULL | its refcount because we're holding d_lock. | ||
| 271 | +---------------------+ | ||
| 272 | |||
| 273 | Taking a refcount on a dentry from rcu-walk mode, by taking its d_lock, | ||
| 274 | re-checking its d_seq, and then incrementing its refcount is called | ||
| 275 | "dropping rcu" or dropping from rcu-walk into ref-walk mode. | ||
| 276 | |||
| 277 | It is, in some sense, a bit of a house of cards. If the seqcount check of the | ||
| 278 | parent snapshot fails, the house comes down, because we had closed the d_seq | ||
| 279 | section on the grandparent, so we have nothing left to stand on. In that case, | ||
| 280 | the path walk must be fully restarted (which we do in ref-walk mode, to avoid | ||
| 281 | live locks). It is costly to have a full restart, but fortunately they are | ||
| 282 | quite rare. | ||
| 283 | |||
| 284 | When we reach a point where sleeping is required, or a filesystem callout | ||
| 285 | requires ref-walk, then instead of restarting the walk, we attempt to drop rcu | ||
| 286 | at the last known good dentry we have. Avoiding a full restart in ref-walk in | ||
| 287 | these cases is fundamental for performance and scalability because blocking | ||
| 288 | operations such as creates and unlinks are not uncommon. | ||
| 289 | |||
| 290 | The detailed design for rcu-walk is like this: | ||
| 291 | * LOOKUP_RCU is set in nd->flags, which distinguishes rcu-walk from ref-walk. | ||
| 292 | * Take the RCU lock for the entire path walk, starting with the acquiring | ||
| 293 | of the starting path (eg. root/cwd/fd-path). So now dentry refcounts are | ||
| 294 | not required for dentry persistence. | ||
| 295 | * synchronize_rcu is called when unregistering a filesystem, so we can | ||
| 296 | access d_ops and i_ops during rcu-walk. | ||
| 297 | * Similarly take the vfsmount lock for the entire path walk. So now mnt | ||
| 298 | refcounts are not required for persistence. Also we are free to perform mount | ||
| 299 | lookups, and to assume dentry mount points and mount roots are stable up and | ||
| 300 | down the path. | ||
| 301 | * Have a per-dentry seqlock to protect the dentry name, parent, and inode, | ||
| 302 | so we can load this tuple atomically, and also check whether any of its | ||
| 303 | members have changed. | ||
| 304 | * Dentry lookups (based on parent, candidate string tuple) recheck the parent | ||
| 305 | sequence after the child is found in case anything changed in the parent | ||
| 306 | during the path walk. | ||
| 307 | * inode is also RCU protected so we can load d_inode and use the inode for | ||
| 308 | limited things. | ||
| 309 | * i_mode, i_uid, i_gid can be tested for exec permissions during path walk. | ||
| 310 | * i_op can be loaded. | ||
| 311 | * When the destination dentry is reached, drop rcu there (ie. take d_lock, | ||
| 312 | verify d_seq, increment refcount). | ||
| 313 | * If seqlock verification fails anywhere along the path, do a full restart | ||
| 314 | of the path lookup in ref-walk mode. -ECHILD tends to be used (for want of | ||
| 315 | a better errno) to signal an rcu-walk failure. | ||
| 316 | |||
| 317 | The cases where rcu-walk cannot continue are: | ||
| 318 | * NULL dentry (ie. any uncached path element) | ||
| 319 | * Following links | ||
| 320 | |||
| 321 | It may be possible eventually to make following links rcu-walk aware. | ||
| 322 | |||
| 323 | Uncached path elements will always require dropping to ref-walk mode, at the | ||
| 324 | very least because i_mutex needs to be grabbed, and objects allocated. | ||
| 325 | |||
| 326 | Final note: | ||
| 327 | "store-free" path walking is not strictly store free. We take vfsmount lock | ||
| 328 | and refcounts (both of which can be made per-cpu), and we also store to the | ||
| 329 | stack (which is essentially CPU-local), and we also have to take locks and | ||
| 330 | refcount on final dentry. | ||
| 331 | |||
| 332 | The point is that shared data, where practically possible, is not locked | ||
| 333 | or stored into. The result is massive improvements in performance and | ||
| 334 | scalability of path resolution. | ||
| 335 | |||
| 336 | |||
| 337 | Interesting statistics | ||
| 338 | ====================== | ||
| 339 | |||
| 340 | The following table gives rcu lookup statistics for a few simple workloads | ||
| 341 | (2s12c24t Westmere, debian non-graphical system). Ungraceful are attempts to | ||
| 342 | drop rcu that fail due to d_seq failure and requiring the entire path lookup | ||
| 343 | again. Other cases are successful rcu-drops that are required before the final | ||
| 344 | element, nodentry for missing dentry, revalidate for filesystem revalidate | ||
| 345 | routine requiring rcu drop, permission for permission check requiring drop, | ||
| 346 | and link for symlink traversal requiring drop. | ||
| 347 | |||
| 348 | rcu-lookups restart nodentry link revalidate permission | ||
| 349 | bootup 47121 0 4624 1010 10283 7852 | ||
| 350 | dbench 25386793 0 6778659(26.7%) 55 549 1156 | ||
| 351 | kbuild 2696672 10 64442(2.3%) 108764(4.0%) 1 1590 | ||
| 352 | git diff 39605 0 28 2 0 106 | ||
| 353 | vfstest 24185492 4945 708725(2.9%) 1076136(4.4%) 0 2651 | ||
| 354 | |||
| 355 | What this shows is that failed rcu-walk lookups, ie. ones that are restarted | ||
| 356 | entirely with ref-walk, are quite rare. Even the "vfstest" case which | ||
| 357 | specifically has concurrent renames/mkdir/rmdir/ creat/unlink/etc to excercise | ||
| 358 | such races is not showing a huge amount of restarts. | ||
| 359 | |||
| 360 | Dropping from rcu-walk to ref-walk mean that we have encountered a dentry where | ||
| 361 | the reference count needs to be taken for some reason. This is either because | ||
| 362 | we have reached the target of the path walk, or because we have encountered a | ||
| 363 | condition that can't be resolved in rcu-walk mode. Ideally, we drop rcu-walk | ||
| 364 | only when we have reached the target dentry, so the other statistics show where | ||
| 365 | this does not happen. | ||
| 366 | |||
| 367 | Note that a graceful drop from rcu-walk mode due to something such as the | ||
| 368 | dentry not existing (which can be common) is not necessarily a failure of | ||
| 369 | rcu-walk scheme, because some elements of the path may have been walked in | ||
| 370 | rcu-walk mode. The further we get from common path elements (such as cwd or | ||
| 371 | root), the less contended the dentry is likely to be. The closer we are to | ||
| 372 | common path elements, the more likely they will exist in dentry cache. | ||
| 373 | |||
| 374 | |||
| 375 | Papers and other documentation on dcache locking | ||
| 376 | ================================================ | ||
| 377 | |||
| 378 | 1. Scaling dcache with RCU (http://linuxjournal.com/article.php?sid=7124). | ||
| 379 | |||
| 380 | 2. http://lse.sourceforge.net/locking/dcache/dcache.html | ||
| 381 | |||
| 382 | |||
| @@ -216,7 +216,6 @@ had ->revalidate()) add calls in ->follow_link()/->readlink(). · 215 unmodified lines | |||
| 216 | ->d_parent changes are not protected by BKL anymore. Read access is safe | 216 | ->d_parent changes are not protected by BKL anymore. Read access is safe |
| 217 | if at least one of the following is true: | 217 | if at least one of the following is true: |
| 218 | * filesystem has no cross-directory rename() | 218 | * filesystem has no cross-directory rename() |
| 219 | * dcache_lock is held | ||
| 220 | * we know that parent had been locked (e.g. we are looking at | 219 | * we know that parent had been locked (e.g. we are looking at |
| 221 | ->d_parent of ->lookup() argument). | 220 | ->d_parent of ->lookup() argument). |
| 222 | * we are called from ->rename(). | 221 | * we are called from ->rename(). |
| @@ -318,3 +317,80 @@ if it's zero is not *and* *never* *had* *been* enough. Final unlink() and iput( · 95 unmodified lines | |||
| 318 | may happen while the inode is in the middle of ->write_inode(); e.g. if you blindly | 317 | may happen while the inode is in the middle of ->write_inode(); e.g. if you blindly |
| 319 | free the on-disk inode, you may end up doing that while ->write_inode() is writing | 318 | free the on-disk inode, you may end up doing that while ->write_inode() is writing |
| 320 | to it. | 319 | to it. |
| 320 | |||
| 321 | --- | ||
| 322 | [mandatory] | ||
| 323 | |||
| 324 | .d_delete() now only advises the dcache as to whether or not to cache | ||
| 325 | unreferenced dentries, and is now only called when the dentry refcount goes to | ||
| 326 | 0. Even on 0 refcount transition, it must be able to tolerate being called 0, | ||
| 327 | 1, or more times (eg. constant, idempotent). | ||
| 328 | |||
| 329 | --- | ||
| 330 | [mandatory] | ||
| 331 | |||
| 332 | .d_compare() calling convention and locking rules are significantly | ||
| 333 | changed. Read updated documentation in Documentation/filesystems/vfs.txt (and | ||
| 334 | look at examples of other filesystems) for guidance. | ||
| 335 | |||
| 336 | --- | ||
| 337 | [mandatory] | ||
| 338 | |||
| 339 | .d_hash() calling convention and locking rules are significantly | ||
| 340 | changed. Read updated documentation in Documentation/filesystems/vfs.txt (and | ||
| 341 | look at examples of other filesystems) for guidance. | ||
| 342 | |||
| 343 | --- | ||
| 344 | [mandatory] | ||
| 345 | dcache_lock is gone, replaced by fine grained locks. See fs/dcache.c | ||
| 346 | for details of what locks to replace dcache_lock with in order to protect | ||
| 347 | particular things. Most of the time, a filesystem only needs ->d_lock, which | ||
| 348 | protects *all* the dcache state of a given dentry. | ||
| 349 | |||
| 350 | -- | ||
| 351 | [mandatory] | ||
| 352 | |||
| 353 | Filesystems must RCU-free their inodes, if they can have been accessed | ||
| 354 | via rcu-walk path walk (basically, if the file can have had a path name in the | ||
| 355 | vfs namespace). | ||
| 356 | |||
| 357 | i_dentry and i_rcu share storage in a union, and the vfs expects | ||
| 358 | i_dentry to be reinitialized before it is freed, so an: | ||
| 359 | |||
| 360 | INIT_LIST_HEAD(&inode->i_dentry); | ||
| 361 | |||
| 362 | must be done in the RCU callback. | ||
| 363 | |||
| 364 | -- | ||
| 365 | [recommended] | ||
| 366 | vfs now tries to do path walking in "rcu-walk mode", which avoids | ||
| 367 | atomic operations and scalability hazards on dentries and inodes (see | ||
| 368 | Documentation/filesystems/path-lookup.txt). d_hash and d_compare changes | ||
| 369 | (above) are examples of the changes required to support this. For more complex | ||
| 370 | filesystem callbacks, the vfs drops out of rcu-walk mode before the fs call, so | ||
| 371 | no changes are required to the filesystem. However, this is costly and loses | ||
| 372 | the benefits of rcu-walk mode. We will begin to add filesystem callbacks that | ||
| 373 | are rcu-walk aware, shown below. Filesystems should take advantage of this | ||
| 374 | where possible. | ||
| 375 | |||
| 376 | -- | ||
| 377 | [mandatory] | ||
| 378 | d_revalidate is a callback that is made on every path element (if | ||
| 379 | the filesystem provides it), which requires dropping out of rcu-walk mode. This | ||
| 380 | may now be called in rcu-walk mode (nd->flags & LOOKUP_RCU). -ECHILD should be | ||
| 381 | returned if the filesystem cannot handle rcu-walk. See | ||
| 382 | Documentation/filesystems/vfs.txt for more details. | ||
| 383 | |||
| 384 | permission and check_acl are inode permission checks that are called | ||
| 385 | on many or all directory inodes on the way down a path walk (to check for | ||
| 386 | exec permission). These must now be rcu-walk aware (flags & IPERM_FLAG_RCU). | ||
| 387 | See Documentation/filesystems/vfs.txt for more details. | ||
| 388 | |||
| 389 | -- | ||
| 390 | [mandatory] | ||
| 391 | In ->fallocate() you must check the mode option passed in. If your | ||
| 392 | filesystem does not support hole punching (deallocating space in the middle of a | ||
| 393 | file) you must return -EOPNOTSUPP if FALLOC_FL_PUNCH_HOLE is set in mode. | ||
| 394 | Currently you can only have FALLOC_FL_PUNCH_HOLE with FALLOC_FL_KEEP_SIZE set, | ||
| 395 | so the i_size should not change when hole punching, even when puching the end of | ||
| 396 | a file off. | ||
| @@ -375,6 +375,7 @@ Anonymous: 0 kB · 374 unmodified lines | |||
| 375 | Swap: 0 kB | 375 | Swap: 0 kB |
| 376 | KernelPageSize: 4 kB | 376 | KernelPageSize: 4 kB |
| 377 | MMUPageSize: 4 kB | 377 | MMUPageSize: 4 kB |
| 378 | Locked: 374 kB | ||
| 378 | 379 | ||
| 379 | The first of these lines shows the same information as is displayed for the | 380 | The first of these lines shows the same information as is displayed for the |
| 380 | mapping in /proc/PID/maps. The remaining lines show the size of the mapping | 381 | mapping in /proc/PID/maps. The remaining lines show the size of the mapping |
| @@ -670,6 +671,8 @@ varies by architecture and compile options. The following is from a · 289 unmodified lines | |||
| 670 | 671 | ||
| 671 | > cat /proc/meminfo | 672 | > cat /proc/meminfo |
| 672 | 673 | ||
| 674 | The "Locked" indicates whether the mapping is locked in memory or not. | ||
| 675 | |||
| 673 | 676 | ||
| 674 | MemTotal: 16344972 kB | 677 | MemTotal: 16344972 kB |
| 675 | MemFree: 13634064 kB | 678 | MemFree: 13634064 kB |
| @@ -1181,6 +1184,30 @@ Table 1-12: Files in /proc/fs/ext4/<devname> · 505 unmodified lines | |||
| 1181 | mb_groups details of multiblock allocator buddy cache of free blocks | 1184 | mb_groups details of multiblock allocator buddy cache of free blocks |
| 1182 | .............................................................................. | 1185 | .............................................................................. |
| 1183 | 1186 | ||
| 1187 | 2.0 /proc/consoles | ||
| 1188 | ------------------ | ||
| 1189 | Shows registered system console lines. | ||
| 1190 | |||
| 1191 | To see which character device lines are currently used for the system console | ||
| 1192 | /dev/console, you may simply look into the file /proc/consoles: | ||
| 1193 | |||
| 1194 | > cat /proc/consoles | ||
| 1195 | tty0 -WU (ECp) 4:7 | ||
| 1196 | ttyS0 -W- (Ep) 4:64 | ||
| 1197 | |||
| 1198 | The columns are: | ||
| 1199 | |||
| 1200 | device name of the device | ||
| 1201 | operations R = can do read operations | ||
| 1202 | W = can do write operations | ||
| 1203 | U = can do unblank | ||
| 1204 | flags E = it is enabled | ||
| 1205 | C = it is prefered console | ||
| 1206 | B = it is primary boot console | ||
| 1207 | p = it is used for printk buffer | ||
| 1208 | b = it is not a TTY but a Braille device | ||
| 1209 | a = it is safe to use when cpu is offline | ||
| 1210 | major:minor major and minor number of the device separated by a colon | ||
| 1184 | 1211 | ||
| 1185 | ------------------------------------------------------------------------------ | 1212 | ------------------------------------------------------------------------------ |
| 1186 | Summary | 1213 | Summary |
| @@ -1296,6 +1323,10 @@ scaled linearly with /proc/<pid>/oom_score_adj. · 109 unmodified lines | |||
| 1296 | Writing to /proc/<pid>/oom_score_adj or /proc/<pid>/oom_adj will change the | 1323 | Writing to /proc/<pid>/oom_score_adj or /proc/<pid>/oom_adj will change the |
| 1297 | other with its scaled value. | 1324 | other with its scaled value. |
| 1298 | 1325 | ||
| 1326 | The value of /proc/<pid>/oom_score_adj may be reduced no lower than the last | ||
| 1327 | value set by a CAP_SYS_RESOURCE process. To reduce the value any lower | ||
| 1328 | requires CAP_SYS_RESOURCE. | ||
| 1329 | |||
| 1299 | NOTICE: /proc/<pid>/oom_adj is deprecated and will be removed, please see | 1330 | NOTICE: /proc/<pid>/oom_adj is deprecated and will be removed, please see |
| 1300 | Documentation/feature-removal-schedule.txt. | 1331 | Documentation/feature-removal-schedule.txt. |
| 1301 | 1332 | ||
| @@ -325,7 +325,8 @@ struct inode_operations { · 324 unmodified lines | |||
| 325 | void * (*follow_link) (struct dentry *, struct nameidata *); | 325 | void * (*follow_link) (struct dentry *, struct nameidata *); |
| 326 | void (*put_link) (struct dentry *, struct nameidata *, void *); | 326 | void (*put_link) (struct dentry *, struct nameidata *, void *); |
| 327 | void (*truncate) (struct inode *); | 327 | void (*truncate) (struct inode *); |
| 328 | int (*permission) (struct inode *, int, struct nameidata *); | 328 | int (*permission) (struct inode *, int, unsigned int); |
| 329 | int (*check_acl)(struct inode *, int, unsigned int); | ||
| 329 | int (*setattr) (struct dentry *, struct iattr *); | 330 | int (*setattr) (struct dentry *, struct iattr *); |
| 330 | int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *); | 331 | int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *); |
| 331 | int (*setxattr) (struct dentry *, const char *,const void *,size_t,int); | 332 | int (*setxattr) (struct dentry *, const char *,const void *,size_t,int); |
| @@ -414,6 +415,13 @@ otherwise noted. · 82 unmodified lines | |||
| 414 | permission: called by the VFS to check for access rights on a POSIX-like | 415 | permission: called by the VFS to check for access rights on a POSIX-like |
| 415 | filesystem. | 416 | filesystem. |
| 416 | 417 | ||
| 418 | May be called in rcu-walk mode (flags & IPERM_FLAG_RCU). If in rcu-walk | ||
| 419 | mode, the filesystem must check the permission without blocking or | ||
| 420 | storing to the inode. | ||
| 421 | |||
| 422 | If a situation is encountered that rcu-walk cannot handle, return | ||
| 423 | -ECHILD and it will be called again in ref-walk mode. | ||
| 424 | |||
| 417 | setattr: called by the VFS to set attributes for a file. This method | 425 | setattr: called by the VFS to set attributes for a file. This method |
| 418 | is called by chmod(2) and related system calls. | 426 | is called by chmod(2) and related system calls. |
| 419 | 427 | ||
| @@ -847,12 +855,17 @@ defined: · 427 unmodified lines | |||
| 847 | 855 | ||
| 848 | struct dentry_operations { | 856 | struct dentry_operations { |
| 849 | int (*d_revalidate)(struct dentry *, struct nameidata *); | 857 | int (*d_revalidate)(struct dentry *, struct nameidata *); |
| 850 | int (*d_hash) (struct dentry *, struct qstr *); | 858 | int (*d_hash)(const struct dentry *, const struct inode *, |
| 851 | int (*d_compare) (struct dentry *, struct qstr *, struct qstr *); | 859 | struct qstr *); |
| 852 | int (*d_delete)(struct dentry *); | 860 | int (*d_compare)(const struct dentry *, const struct inode *, |
| 861 | const struct dentry *, const struct inode *, | ||
| 862 | unsigned int, const char *, const struct qstr *); | ||
| 863 | int (*d_delete)(const struct dentry *); | ||
| 853 | void (*d_release)(struct dentry *); | 864 | void (*d_release)(struct dentry *); |
| 854 | void (*d_iput)(struct dentry *, struct inode *); | 865 | void (*d_iput)(struct dentry *, struct inode *); |
| 855 | char *(*d_dname)(struct dentry *, char *, int); | 866 | char *(*d_dname)(struct dentry *, char *, int); |
| 867 | struct vfsmount *(*d_automount)(struct path *); | ||
| 868 | int (*d_manage)(struct dentry *, bool, bool); | ||
| 856 | }; | 869 | }; |
| 857 | 870 | ||
| 858 | d_revalidate: called when the VFS needs to revalidate a dentry. This | 871 | d_revalidate: called when the VFS needs to revalidate a dentry. This |
| @@ -860,13 +873,45 @@ struct dentry_operations { · 1 unmodified line | |||
| 860 | dcache. Most filesystems leave this as NULL, because all their | 873 | dcache. Most filesystems leave this as NULL, because all their |
| 861 | dentries in the dcache are valid | 874 | dentries in the dcache are valid |
| 862 | 875 | ||
| 863 | d_hash: called when the VFS adds a dentry to the hash table | 876 | d_revalidate may be called in rcu-walk mode (nd->flags & LOOKUP_RCU). |
| 877 | If in rcu-walk mode, the filesystem must revalidate the dentry without | ||
| 878 | blocking or storing to the dentry, d_parent and d_inode should not be | ||
| 879 | used without care (because they can go NULL), instead nd->inode should | ||
| 880 | be used. | ||
| 881 | |||
| 882 | If a situation is encountered that rcu-walk cannot handle, return | ||
| 883 | -ECHILD and it will be called again in ref-walk mode. | ||
| 884 | |||
| 885 | d_hash: called when the VFS adds a dentry to the hash table. The first | ||
| 886 | dentry passed to d_hash is the parent directory that the name is | ||
| 887 | to be hashed into. The inode is the dentry's inode. | ||
| 888 | |||
| 889 | Same locking and synchronisation rules as d_compare regarding | ||
| 890 | what is safe to dereference etc. | ||
| 864 | 891 | ||
| 865 | d_compare: called when a dentry should be compared with another | 892 | d_compare: called to compare a dentry name with a given name. The first |
| 893 | dentry is the parent of the dentry to be compared, the second is | ||
| 894 | the parent's inode, then the dentry and inode (may be NULL) of the | ||
| 895 | child dentry. len and name string are properties of the dentry to be | ||
| 896 | compared. qstr is the name to compare it with. | ||
| 866 | 897 | ||
| 867 | d_delete: called when the last reference to a dentry is | 898 | Must be constant and idempotent, and should not take locks if |
| 868 | deleted. This means no-one is using the dentry, however it is | 899 | possible, and should not or store into the dentry or inodes. |
| 869 | still valid and in the dcache | 900 | Should not dereference pointers outside the dentry or inodes without |
| 901 | lots of care (eg. d_parent, d_inode, d_name should not be used). | ||
| 902 | |||
| 903 | However, our vfsmount is pinned, and RCU held, so the dentries and | ||
| 904 | inodes won't disappear, neither will our sb or filesystem module. | ||
| 905 | ->i_sb and ->d_sb may be used. | ||
| 906 | |||
| 907 | It is a tricky calling convention because it needs to be called under | ||
| 908 | "rcu-walk", ie. without any locks or references on things. | ||
| 909 | |||
| 910 | d_delete: called when the last reference to a dentry is dropped and the | ||
| 911 | dcache is deciding whether or not to cache it. Return 1 to delete | ||
| 912 | immediately, or 0 to cache the dentry. Default is NULL which means to | ||
| 913 | always cache a reachable dentry. d_delete must be constant and | ||
| 914 | idempotent. | ||
| 870 | 915 | ||
| 871 | d_release: called when a dentry is really deallocated | 916 | d_release: called when a dentry is really deallocated |
| 872 | 917 | ||
| @@ -887,6 +932,47 @@ struct dentry_operations { · 14 unmodified lines | |||
| 887 | at the end of the buffer, and returns a pointer to the first char. | 932 | at the end of the buffer, and returns a pointer to the first char. |
| 888 | dynamic_dname() helper function is provided to take care of this. | 933 | dynamic_dname() helper function is provided to take care of this. |
| 889 | 934 | ||
| 935 | d_automount: called when an automount dentry is to be traversed (optional). | ||
| 936 | This should create a new VFS mount record and return the record to the | ||
| 937 | caller. The caller is supplied with a path parameter giving the | ||
| 938 | automount directory to describe the automount target and the parent | ||
| 939 | VFS mount record to provide inheritable mount parameters. NULL should | ||
| 940 | be returned if someone else managed to make the automount first. If | ||
| 941 | the vfsmount creation failed, then an error code should be returned. | ||
| 942 | If -EISDIR is returned, then the directory will be treated as an | ||
| 943 | ordinary directory and returned to pathwalk to continue walking. | ||
| 944 | |||
| 945 | If a vfsmount is returned, the caller will attempt to mount it on the | ||
| 946 | mountpoint and will remove the vfsmount from its expiration list in | ||
| 947 | the case of failure. The vfsmount should be returned with 2 refs on | ||
| 948 | it to prevent automatic expiration - the caller will clean up the | ||
| 949 | additional ref. | ||
| 950 | |||
| 951 | This function is only used if DCACHE_NEED_AUTOMOUNT is set on the | ||
| 952 | dentry. This is set by __d_instantiate() if S_AUTOMOUNT is set on the | ||
| 953 | inode being added. | ||
| 954 | |||
| 955 | d_manage: called to allow the filesystem to manage the transition from a | ||
| 956 | dentry (optional). This allows autofs, for example, to hold up clients | ||
| 957 | waiting to explore behind a 'mountpoint' whilst letting the daemon go | ||
| 958 | past and construct the subtree there. 0 should be returned to let the | ||
| 959 | calling process continue. -EISDIR can be returned to tell pathwalk to | ||
| 960 | use this directory as an ordinary directory and to ignore anything | ||
| 961 | mounted on it and not to check the automount flag. Any other error | ||
| 962 | code will abort pathwalk completely. | ||
| 963 | |||
| 964 | If the 'mounting_here' parameter is true, then namespace_sem is being | ||
| 965 | held by the caller and the function should not initiate any mounts or | ||
| 966 | unmounts that it will then wait for. | ||
| 967 | |||
| 968 | If the 'rcu_walk' parameter is true, then the caller is doing a | ||
| 969 | pathwalk in RCU-walk mode. Sleeping is not permitted in this mode, | ||
| 970 | and the caller can be asked to leave it and call again by returing | ||
| 971 | -ECHILD. | ||
| 972 | |||
| 973 | This function is only used if DCACHE_MANAGE_TRANSIT is set on the | ||
| 974 | dentry being transited from. | ||
| 975 | |||
| 890 | Example : | 976 | Example : |
| 891 | 977 | ||
| 892 | static char *pipefs_dname(struct dentry *dent, char *buffer, int buflen) | 978 | static char *pipefs_dname(struct dentry *dent, char *buffer, int buflen) |
| @@ -910,14 +996,11 @@ manipulate dentries: · 17 unmodified lines | |||
| 910 | the usage count) | 996 | the usage count) |
| 911 | 997 | ||
| 912 | dput: close a handle for a dentry (decrements the usage count). If | 998 | dput: close a handle for a dentry (decrements the usage count). If |
| 913 | the usage count drops to 0, the "d_delete" method is called | 999 | the usage count drops to 0, and the dentry is still in its |
| 914 | and the dentry is placed on the unused list if the dentry is | 1000 | parent's hash, the "d_delete" method is called to check whether |
| 915 | still in its parents hash list. Putting the dentry on the | 1001 | it should be cached. If it should not be cached, or if the dentry |
| 916 | unused list just means that if the system needs some RAM, it | 1002 | is not hashed, it is deleted. Otherwise cached dentries are put |
| 917 | goes through the unused list of dentries and deallocates them. | 1003 | into an LRU list to be reclaimed on memory shortage. |
| 918 | If the dentry has already been unhashed and the usage count | ||
| 919 | drops to 0, in this case the dentry is deallocated after the | ||
| 920 | "d_delete" method is called | ||
| 921 | 1004 | ||
| 922 | d_drop: this unhashes a dentry from its parents hash list. A | 1005 | d_drop: this unhashes a dentry from its parents hash list. A |
| 923 | subsequent call to dput() will deallocate the dentry if its | 1006 | subsequent call to dput() will deallocate the dentry if its |
| @@ -155,7 +155,7 @@ connected to a normally open switch. · 154 unmodified lines | |||
| 155 | The ADM9240 provides an internal open drain on this line, and may output | 155 | The ADM9240 provides an internal open drain on this line, and may output |
| 156 | a 20 ms active low pulse to reset an external Chassis Intrusion latch. | 156 | a 20 ms active low pulse to reset an external Chassis Intrusion latch. |
| 157 | 157 | ||
| 158 | Clear the CI latch by writing value 1 to the sysfs chassis_clear file. | 158 | Clear the CI latch by writing value 0 to the sysfs intrusion0_alarm file. |
| 159 | 159 | ||
| 160 | Alarm flags reported as 16-bit word | 160 | Alarm flags reported as 16-bit word |
| 161 | 161 | ||
| @@ -9,7 +9,7 @@ Supported chips: · 8 unmodified lines | |||
| 9 | http://focus.ti.com/lit/ds/symlink/ads7828.pdf | 9 | http://focus.ti.com/lit/ds/symlink/ads7828.pdf |
| 10 | 10 | ||
| 11 | Authors: | 11 | Authors: |
| 12 | Steve Hardy <steve@linuxrealtime.co.uk> | 12 | Steve Hardy <shardy@redhat.com> |
| 13 | 13 | ||
| 14 | Module Parameters | 14 | Module Parameters |
| 15 | ----------------- | 15 | ----------------- |
| @@ -42,7 +42,7 @@ Description · 41 unmodified lines | |||
| 42 | This driver implements support for the hardware monitoring capabilities of the | 42 | This driver implements support for the hardware monitoring capabilities of the |
| 43 | SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x, | 43 | SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x, |
| 44 | and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors | 44 | and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors |
| 45 | temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and | 45 | temp[1-3] (2 remote diodes and 1 internal), 8 voltages in[0-7] (7 external and |
| 46 | 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement | 46 | 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement |
| 47 | up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and | 47 | up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and |
| 48 | automatically. | 48 | automatically. |
| @@ -105,6 +105,7 @@ SCH5127: · 56 unmodified lines | |||
| 105 | in4: V1_IN 0V - 1.5V | 105 | in4: V1_IN 0V - 1.5V |
| 106 | in5: VTR (+3.3V standby) 0V - 4.38V | 106 | in5: VTR (+3.3V standby) 0V - 4.38V |
| 107 | in6: Vbat (+3.0V) 0V - 4.38V | 107 | in6: Vbat (+3.0V) 0V - 4.38V |
| 108 | in7: Vtrip (+1.5V) 0V - 1.99V | ||
| 108 | 109 | ||
| 109 | Each voltage input has associated min and max limits which trigger an alarm | 110 | Each voltage input has associated min and max limits which trigger an alarm |
| 110 | when crossed. | 111 | when crossed. |
| @@ -217,10 +218,10 @@ cpu0_vid RO CPU core reference voltage in · 106 unmodified lines | |||
| 217 | vrm RW Voltage regulator module version | 218 | vrm RW Voltage regulator module version |
| 218 | number. | 219 | number. |
| 219 | 220 | ||
| 220 | in[0-6]_input RO Measured voltage in millivolts. | 221 | in[0-7]_input RO Measured voltage in millivolts. |
| 221 | in[0-6]_min RW Low limit for voltage input. | 222 | in[0-7]_min RW Low limit for voltage input. |
| 222 | in[0-6]_max RW High limit for voltage input. | 223 | in[0-7]_max RW High limit for voltage input. |
| 223 | in[0-6]_alarm RO Voltage input alarm. Returns 1 if | 224 | in[0-7]_alarm RO Voltage input alarm. Returns 1 if |
| 224 | voltage input is or went outside the | 225 | voltage input is or went outside the |
| 225 | associated min-max range, 0 otherwise. | 226 | associated min-max range, 0 otherwise. |
| 226 | 227 | ||
| @@ -324,3 +325,4 @@ fan5 opt opt · 97 unmodified lines | |||
| 324 | pwm5 opt opt | 325 | pwm5 opt opt |
| 325 | fan6 opt opt | 326 | fan6 opt opt |
| 326 | pwm6 opt opt | 327 | pwm6 opt opt |
| 328 | in7 yes | ||
| @@ -0,0 +1,34 @@ | |||
| 1 | Kernel driver ds620 | ||
| 2 | =================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Dallas Semiconductor DS620 | ||
| 6 | Prefix: 'ds620' | ||
| 7 | Datasheet: Publicly available at the Dallas Semiconductor website | ||
| 8 | http://www.dalsemi.com/ | ||
| 9 | |||
| 10 | Authors: | ||
| 11 | Roland Stigge <stigge@antcom.de> | ||
| 12 | based on ds1621.c by | ||
| 13 | Christian W. Zuckschwerdt <zany@triq.net> | ||
| 14 | |||
| 15 | Description | ||
| 16 | ----------- | ||
| 17 | |||
| 18 | The DS620 is a (one instance) digital thermometer and thermostat. It has both | ||
| 19 | high and low temperature limits which can be user defined (i.e. programmed | ||
| 20 | into non-volatile on-chip registers). Temperature range is -55 degree Celsius | ||
| 21 | to +125. Between 0 and 70 degree Celsius, accuracy is 0.5 Kelvin. The value | ||
| 22 | returned via sysfs displays post decimal positions. | ||
| 23 | |||
| 24 | The thermostat function works as follows: When configured via platform_data | ||
| 25 | (struct ds620_platform_data) .pomode == 0 (default), the thermostat output pin | ||
| 26 | PO is always low. If .pomode == 1, the thermostat is in PO_LOW mode. I.e., the | ||
| 27 | output pin PO becomes active when the temperature falls below temp1_min and | ||
| 28 | stays active until the temperature goes above temp1_max. | ||
| 29 | |||
| 30 | Likewise, with .pomode == 2, the thermostat is in PO_HIGH mode. I.e., the PO | ||
| 31 | output pin becomes active when the temperature goes above temp1_max and stays | ||
| 32 | active until the temperature falls below temp1_min. | ||
| 33 | |||
| 34 | The PO output pin of the DS620 operates active-low. | ||
| @@ -51,7 +51,8 @@ Supported chips: · 50 unmodified lines | |||
| 51 | * JEDEC JC 42.4 compliant temperature sensor chips | 51 | * JEDEC JC 42.4 compliant temperature sensor chips |
| 52 | Prefix: 'jc42' | 52 | Prefix: 'jc42' |
| 53 | Addresses scanned: I2C 0x18 - 0x1f | 53 | Addresses scanned: I2C 0x18 - 0x1f |
| 54 | Datasheet: - | 54 | Datasheet: |
| 55 | http://www.jedec.org/sites/default/files/docs/4_01_04R19.pdf | ||
| 55 | 56 | ||
| 56 | Author: | 57 | Author: |
| 57 | Guenter Roeck <guenter.roeck@ericsson.com> | 58 | Guenter Roeck <guenter.roeck@ericsson.com> |
| @@ -60,7 +61,11 @@ Author: · 2 unmodified lines | |||
| 60 | Description | 61 | Description |
| 61 | ----------- | 62 | ----------- |
| 62 | 63 | ||
| 63 | This driver implements support for JEDEC JC 42.4 compliant temperature sensors. | 64 | This driver implements support for JEDEC JC 42.4 compliant temperature sensors, |
| 65 | which are used on many DDR3 memory modules for mobile devices and servers. Some | ||
| 66 | systems use the sensor to prevent memory overheating by automatically throttling | ||
| 67 | the memory controller. | ||
| 68 | |||
| 64 | The driver auto-detects the chips listed above, but can be manually instantiated | 69 | The driver auto-detects the chips listed above, but can be manually instantiated |
| 65 | to support other JC 42.4 compliant chips. | 70 | to support other JC 42.4 compliant chips. |
| 66 | 71 | ||
| @@ -81,15 +86,19 @@ limits. The chip supports only a single register to configure the hysteresis, · 14 unmodified lines | |||
| 81 | which applies to all limits. This register can be written by writing into | 86 | which applies to all limits. This register can be written by writing into |
| 82 | temp1_crit_hyst. Other hysteresis attributes are read-only. | 87 | temp1_crit_hyst. Other hysteresis attributes are read-only. |
| 83 | 88 | ||
| 89 | If the BIOS has configured the sensor for automatic temperature management, it | ||
| 90 | is likely that it has locked the registers, i.e., that the temperature limits | ||
| 91 | cannot be changed. | ||
| 92 | |||
| 84 | Sysfs entries | 93 | Sysfs entries |
| 85 | ------------- | 94 | ------------- |
| 86 | 95 | ||
| 87 | temp1_input Temperature (RO) | 96 | temp1_input Temperature (RO) |
| 88 | temp1_min Minimum temperature (RW) | 97 | temp1_min Minimum temperature (RO or RW) |
| 89 | temp1_max Maximum temperature (RW) | 98 | temp1_max Maximum temperature (RO or RW) |
| 90 | temp1_crit Critical high temperature (RW) | 99 | temp1_crit Critical high temperature (RO or RW) |
| 91 | 100 | ||
| 92 | temp1_crit_hyst Critical hysteresis temperature (RW) | 101 | temp1_crit_hyst Critical hysteresis temperature (RO or RW) |
| 93 | temp1_max_hyst Maximum hysteresis temperature (RO) | 102 | temp1_max_hyst Maximum hysteresis temperature (RO) |
| 94 | 103 | ||
| 95 | temp1_min_alarm Temperature low alarm | 104 | temp1_min_alarm Temperature low alarm |
| @@ -9,6 +9,8 @@ Supported chips: · 8 unmodified lines | |||
| 9 | Socket S1G3: Athlon II, Sempron, Turion II | 9 | Socket S1G3: Athlon II, Sempron, Turion II |
| 10 | * AMD Family 11h processors: | 10 | * AMD Family 11h processors: |
| 11 | Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra) | 11 | Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra) |
| 12 | * AMD Family 12h processors: "Llano" | ||
| 13 | * AMD Family 14h processors: "Brazos" (C/E/G-Series) | ||
| 12 | 14 | ||
| 13 | Prefix: 'k10temp' | 15 | Prefix: 'k10temp' |
| 14 | Addresses scanned: PCI space | 16 | Addresses scanned: PCI space |
| @@ -17,10 +19,14 @@ Supported chips: · 2 unmodified lines | |||
| 17 | http://support.amd.com/us/Processor_TechDocs/31116.pdf | 19 | http://support.amd.com/us/Processor_TechDocs/31116.pdf |
| 18 | BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors: | 20 | BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors: |
| 19 | http://support.amd.com/us/Processor_TechDocs/41256.pdf | 21 | http://support.amd.com/us/Processor_TechDocs/41256.pdf |
| 22 | BIOS and Kernel Developer's Guide (BKDG) for AMD Family 14h Models 00h-0Fh Processors: | ||
| 23 | http://support.amd.com/us/Processor_TechDocs/43170.pdf | ||
| 20 | Revision Guide for AMD Family 10h Processors: | 24 | Revision Guide for AMD Family 10h Processors: |
| 21 | http://support.amd.com/us/Processor_TechDocs/41322.pdf | 25 | http://support.amd.com/us/Processor_TechDocs/41322.pdf |
| 22 | Revision Guide for AMD Family 11h Processors: | 26 | Revision Guide for AMD Family 11h Processors: |
| 23 | http://support.amd.com/us/Processor_TechDocs/41788.pdf | 27 | http://support.amd.com/us/Processor_TechDocs/41788.pdf |
| 28 | Revision Guide for AMD Family 14h Models 00h-0Fh Processors: | ||
| 29 | http://support.amd.com/us/Processor_TechDocs/47534.pdf | ||
| 24 | AMD Family 11h Processor Power and Thermal Data Sheet for Notebooks: | 30 | AMD Family 11h Processor Power and Thermal Data Sheet for Notebooks: |
| 25 | http://support.amd.com/us/Processor_TechDocs/43373.pdf | 31 | http://support.amd.com/us/Processor_TechDocs/43373.pdf |
| 26 | AMD Family 10h Server and Workstation Processor Power and Thermal Data Sheet: | 32 | AMD Family 10h Server and Workstation Processor Power and Thermal Data Sheet: |
| @@ -34,7 +40,7 @@ Description · 7 unmodified lines | |||
| 34 | ----------- | 40 | ----------- |
| 35 | 41 | ||
| 36 | This driver permits reading of the internal temperature sensor of AMD | 42 | This driver permits reading of the internal temperature sensor of AMD |
| 37 | Family 10h and 11h processors. | 43 | Family 10h/11h/12h/14h processors. |
| 38 | 44 | ||
| 39 | All these processors have a sensor, but on those for Socket F or AM2+, | 45 | All these processors have a sensor, but on those for Socket F or AM2+, |
| 40 | the sensor may return inconsistent values (erratum 319). The driver | 46 | the sensor may return inconsistent values (erratum 319). The driver |
| @@ -6,6 +6,10 @@ Supported chips: · 5 unmodified lines | |||
| 6 | Prefix 'lm93' | 6 | Prefix 'lm93' |
| 7 | Addresses scanned: I2C 0x2c-0x2e | 7 | Addresses scanned: I2C 0x2c-0x2e |
| 8 | Datasheet: http://www.national.com/ds.cgi/LM/LM93.pdf | 8 | Datasheet: http://www.national.com/ds.cgi/LM/LM93.pdf |
| 9 | * National Semiconductor LM94 | ||
| 10 | Prefix 'lm94' | ||
| 11 | Addresses scanned: I2C 0x2c-0x2e | ||
| 12 | Datasheet: http://www.national.com/ds.cgi/LM/LM94.pdf | ||
| 9 | 13 | ||
| 10 | Authors: | 14 | Authors: |
| 11 | Mark M. Hoffman <mhoffman@lightlink.com> | 15 | Mark M. Hoffman <mhoffman@lightlink.com> |
| @@ -56,6 +60,9 @@ previous motherboard management ASICs and uses some of the LM85's features · 44 unmodified lines | |||
| 56 | for dynamic Vccp monitoring and PROCHOT. It is designed to monitor a dual | 60 | for dynamic Vccp monitoring and PROCHOT. It is designed to monitor a dual |
| 57 | processor Xeon class motherboard with a minimum of external components. | 61 | processor Xeon class motherboard with a minimum of external components. |
| 58 | 62 | ||
| 63 | LM94 is also supported in LM93 compatible mode. Extra sensors and features of | ||
| 64 | LM94 are not supported. | ||
| 65 | |||
| 59 | 66 | ||
| 60 | User Interface | 67 | User Interface |
| 61 | -------------- | 68 | -------------- |
| @@ -0,0 +1,49 @@ | |||
| 1 | Kernel driver sht21 | ||
| 2 | =================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Sensirion SHT21 | ||
| 6 | Prefix: 'sht21' | ||
| 7 | Addresses scanned: none | ||
| 8 | Datasheet: Publicly available at the Sensirion website | ||
| 9 | http://www.sensirion.com/en/pdf/product_information/Datasheet-humidity-sensor-SHT21.pdf | ||
| 10 | |||
| 11 | * Sensirion SHT25 | ||
| 12 | Prefix: 'sht21' | ||
| 13 | Addresses scanned: none | ||
| 14 | Datasheet: Publicly available at the Sensirion website | ||
| 15 | http://www.sensirion.com/en/pdf/product_information/Datasheet-humidity-sensor-SHT25.pdf | ||
| 16 | |||
| 17 | Author: | ||
| 18 | Urs Fleisch <urs.fleisch@sensirion.com> | ||
| 19 | |||
| 20 | Description | ||
| 21 | ----------- | ||
| 22 | |||
| 23 | The SHT21 and SHT25 are humidity and temperature sensors in a DFN package of | ||
| 24 | only 3 x 3 mm footprint and 1.1 mm height. The difference between the two | ||
| 25 | devices is the higher level of precision of the SHT25 (1.8% relative humidity, | ||
| 26 | 0.2 degree Celsius) compared with the SHT21 (2.0% relative humidity, | ||
| 27 | 0.3 degree Celsius). | ||
| 28 | |||
| 29 | The devices communicate with the I2C protocol. All sensors are set to the same | ||
| 30 | I2C address 0x40, so an entry with I2C_BOARD_INFO("sht21", 0x40) can be used | ||
| 31 | in the board setup code. | ||
| 32 | |||
| 33 | sysfs-Interface | ||
| 34 | --------------- | ||
| 35 | |||
| 36 | temp1_input - temperature input | ||
| 37 | humidity1_input - humidity input | ||
| 38 | |||
| 39 | Notes | ||
| 40 | ----- | ||
| 41 | |||
| 42 | The driver uses the default resolution settings of 12 bit for humidity and 14 | ||
| 43 | bit for temperature, which results in typical measurement times of 22 ms for | ||
| 44 | humidity and 66 ms for temperature. To keep self heating below 0.1 degree | ||
| 45 | Celsius, the device should not be active for more than 10% of the time, | ||
| 46 | e.g. maximum two measurements per second at the given resolution. | ||
| 47 | |||
| 48 | Different resolutions, the on-chip heater, using the CRC checksum and reading | ||
| 49 | the serial number are not supported yet. | ||
| @@ -384,10 +384,20 @@ curr[1-*]_min Current min value. · 383 unmodified lines | |||
| 384 | Unit: milliampere | 384 | Unit: milliampere |
| 385 | RW | 385 | RW |
| 386 | 386 | ||
| 387 | curr[1-*]_lcrit Current critical low value | ||
| 388 | Unit: milliampere | ||
| 389 | RW | ||
| 390 | |||
| 391 | curr[1-*]_crit Current critical high value. | ||
| 392 | Unit: milliampere | ||
| 393 | RW | ||
| 394 | |||
| 387 | curr[1-*]_input Current input value | 395 | curr[1-*]_input Current input value |
| 388 | Unit: milliampere | 396 | Unit: milliampere |
| 389 | RO | 397 | RO |
| 390 | 398 | ||
| 399 | Also see the Alarms section for status flags associated with currents. | ||
| 400 | |||
| 391 | ********* | 401 | ********* |
| 392 | * Power * | 402 | * Power * |
| 393 | ********* | 403 | ********* |
| @@ -450,13 +460,6 @@ power[1-*]_accuracy Accuracy of the power meter. · 56 unmodified lines | |||
| 450 | Unit: Percent | 460 | Unit: Percent |
| 451 | RO | 461 | RO |
| 452 | 462 | ||
| 453 | power[1-*]_alarm 1 if the system is drawing more power than the | ||
| 454 | cap allows; 0 otherwise. A poll notification is | ||
| 455 | sent to this file when the power use exceeds the | ||
| 456 | cap. This file only appears if the cap is known | ||
| 457 | to be enforced by hardware. | ||
| 458 | RO | ||
| 459 | |||
| 460 | power[1-*]_cap If power use rises above this limit, the | 463 | power[1-*]_cap If power use rises above this limit, the |
| 461 | system should take action to reduce power use. | 464 | system should take action to reduce power use. |
| 462 | A poll notification is sent to this file if the | 465 | A poll notification is sent to this file if the |
| @@ -479,6 +482,20 @@ power[1-*]_cap_min Minimum cap that can be set. · 16 unmodified lines | |||
| 479 | Unit: microWatt | 482 | Unit: microWatt |
| 480 | RO | 483 | RO |
| 481 | 484 | ||
| 485 | power[1-*]_max Maximum power. | ||
| 486 | Unit: microWatt | ||
| 487 | RW | ||
| 488 | |||
| 489 | power[1-*]_crit Critical maximum power. | ||
| 490 | If power rises to or above this limit, the | ||
| 491 | system is expected take drastic action to reduce | ||
| 492 | power consumption, such as a system shutdown or | ||
| 493 | a forced powerdown of some devices. | ||
| 494 | Unit: microWatt | ||
| 495 | RW | ||
| 496 | |||
| 497 | Also see the Alarms section for status flags associated with power readings. | ||
| 498 | |||
| 482 | ********** | 499 | ********** |
| 483 | * Energy * | 500 | * Energy * |
| 484 | ********** | 501 | ********** |
| @@ -488,6 +505,15 @@ energy[1-*]_input Cumulative energy use · 3 unmodified lines | |||
| 488 | RO | 505 | RO |
| 489 | 506 | ||
| 490 | 507 | ||
| 508 | ************ | ||
| 509 | * Humidity * | ||
| 510 | ************ | ||
| 511 | |||
| 512 | humidity[1-*]_input Humidity | ||
| 513 | Unit: milli-percent (per cent mille, pcm) | ||
| 514 | RO | ||
| 515 | |||
| 516 | |||
| 491 | ********** | 517 | ********** |
| 492 | * Alarms * | 518 | * Alarms * |
| 493 | ********** | 519 | ********** |
| @@ -501,6 +527,7 @@ implementation. · 7 unmodified lines | |||
| 501 | 527 | ||
| 502 | in[0-*]_alarm | 528 | in[0-*]_alarm |
| 503 | curr[1-*]_alarm | 529 | curr[1-*]_alarm |
| 530 | power[1-*]_alarm | ||
| 504 | fan[1-*]_alarm | 531 | fan[1-*]_alarm |
| 505 | temp[1-*]_alarm | 532 | temp[1-*]_alarm |
| 506 | Channel alarm | 533 | Channel alarm |
| @@ -512,12 +539,20 @@ OR · 5 unmodified lines | |||
| 512 | 539 | ||
| 513 | in[0-*]_min_alarm | 540 | in[0-*]_min_alarm |
| 514 | in[0-*]_max_alarm | 541 | in[0-*]_max_alarm |
| 542 | in[0-*]_lcrit_alarm | ||
| 543 | in[0-*]_crit_alarm | ||
| 515 | curr[1-*]_min_alarm | 544 | curr[1-*]_min_alarm |
| 516 | curr[1-*]_max_alarm | 545 | curr[1-*]_max_alarm |
| 546 | curr[1-*]_lcrit_alarm | ||
| 547 | curr[1-*]_crit_alarm | ||
| 548 | power[1-*]_cap_alarm | ||
| 549 | power[1-*]_max_alarm | ||
| 550 | power[1-*]_crit_alarm | ||
| 517 | fan[1-*]_min_alarm | 551 | fan[1-*]_min_alarm |
| 518 | fan[1-*]_max_alarm | 552 | fan[1-*]_max_alarm |
| 519 | temp[1-*]_min_alarm | 553 | temp[1-*]_min_alarm |
| 520 | temp[1-*]_max_alarm | 554 | temp[1-*]_max_alarm |
| 555 | temp[1-*]_lcrit_alarm | ||
| 521 | temp[1-*]_crit_alarm | 556 | temp[1-*]_crit_alarm |
| 522 | temp[1-*]_emergency_alarm | 557 | temp[1-*]_emergency_alarm |
| 523 | Limit alarm | 558 | Limit alarm |
| @@ -91,3 +91,25 @@ isaset -y -f 0x2e 0xaa · 90 unmodified lines | |||
| 91 | 91 | ||
| 92 | The above sequence assumes a Super-I/O config space at 0x2e/0x2f, but | 92 | The above sequence assumes a Super-I/O config space at 0x2e/0x2f, but |
| 93 | 0x4e/0x4f is also possible. | 93 | 0x4e/0x4f is also possible. |
| 94 | |||
| 95 | Voltage pin mapping | ||
| 96 | ------------------- | ||
| 97 | |||
| 98 | Here is a summary of the voltage pin mapping for the W83627THF. This | ||
| 99 | can be useful to convert data provided by board manufacturers into | ||
| 100 | working libsensors configuration statements. | ||
| 101 | |||
| 102 | W83627THF | | ||
| 103 | Pin | Name | Register | Sysfs attribute | ||
| 104 | ----------------------------------------------------- | ||
| 105 | 100 | CPUVCORE | 20h | in0 | ||
| 106 | 99 | VIN0 | 21h | in1 | ||
| 107 | 98 | VIN1 | 22h | in2 | ||
| 108 | 97 | VIN2 | 24h | in4 | ||
| 109 | 114 | AVCC | 23h | in3 | ||
| 110 | 61 | 5VSB | 50h (bank 5) | in7 | ||
| 111 | 74 | VBAT | 51h (bank 5) | in8 | ||
| 112 | |||
| 113 | For other supported devices, you'll have to take the hard path and | ||
| 114 | look up the information in the datasheet yourself (and then add it | ||
| 115 | to this document please.) | ||
| @@ -92,7 +92,7 @@ This driver implements support for Winbond W83793G/W83793R chips. · 91 unmodified lines | |||
| 92 | 92 | ||
| 93 | * Chassis | 93 | * Chassis |
| 94 | If the case open alarm triggers, it will stay in this state unless cleared | 94 | If the case open alarm triggers, it will stay in this state unless cleared |
| 95 | by any write to the sysfs file "chassis". | 95 | by writing 0 to the sysfs file "intrusion0_alarm". |
| 96 | 96 | ||
| 97 | * VID and VRM | 97 | * VID and VRM |
| 98 | The VRM version is detected automatically, don't modify the it unless you | 98 | The VRM version is detected automatically, don't modify the it unless you |
| @@ -0,0 +1,65 @@ | |||
| 1 | Kernel driver gpio-i2cmux | ||
| 2 | |||
| 3 | Author: Peter Korsgaard <peter.korsgaard@barco.com> | ||
| 4 | |||
| 5 | Description | ||
| 6 | ----------- | ||
| 7 | |||
| 8 | gpio-i2cmux is an i2c mux driver providing access to I2C bus segments | ||
| 9 | from a master I2C bus and a hardware MUX controlled through GPIO pins. | ||
| 10 | |||
| 11 | E.G.: | ||
| 12 | |||
| 13 | ---------- ---------- Bus segment 1 - - - - - | ||
| 14 | | | SCL/SDA | |-------------- | | | ||
| 15 | | |------------| | | ||
| 16 | | | | | Bus segment 2 | | | ||
| 17 | | Linux | GPIO 1..N | MUX |--------------- Devices | ||
| 18 | | |------------| | | | | ||
| 19 | | | | | Bus segment M | ||
| 20 | | | | |---------------| | | ||
| 21 | ---------- ---------- - - - - - | ||
| 22 | |||
| 23 | SCL/SDA of the master I2C bus is multiplexed to bus segment 1..M | ||
| 24 | according to the settings of the GPIO pins 1..N. | ||
| 25 | |||
| 26 | Usage | ||
| 27 | ----- | ||
| 28 | |||
| 29 | gpio-i2cmux uses the platform bus, so you need to provide a struct | ||
| 30 | platform_device with the platform_data pointing to a struct | ||
| 31 | gpio_i2cmux_platform_data with the I2C adapter number of the master | ||
| 32 | bus, the number of bus segments to create and the GPIO pins used | ||
| 33 | to control it. See include/linux/gpio-i2cmux.h for details. | ||
| 34 | |||
| 35 | E.G. something like this for a MUX providing 4 bus segments | ||
| 36 | controlled through 3 GPIO pins: | ||
| 37 | |||
| 38 | #include <linux/gpio-i2cmux.h> | ||
| 39 | #include <linux/platform_device.h> | ||
| 40 | |||
| 41 | static const unsigned myboard_gpiomux_gpios[] = { | ||
| 42 | AT91_PIN_PC26, AT91_PIN_PC25, AT91_PIN_PC24 | ||
| 43 | }; | ||
| 44 | |||
| 45 | static const unsigned myboard_gpiomux_values[] = { | ||
| 46 | 0, 1, 2, 3 | ||
| 47 | }; | ||
| 48 | |||
| 49 | static struct gpio_i2cmux_platform_data myboard_i2cmux_data = { | ||
| 50 | .parent = 1, | ||
| 51 | .base_nr = 2, /* optional */ | ||
| 52 | .values = myboard_gpiomux_values, | ||
| 53 | .n_values = ARRAY_SIZE(myboard_gpiomux_values), | ||
| 54 | .gpios = myboard_gpiomux_gpios, | ||
| 55 | .n_gpios = ARRAY_SIZE(myboard_gpiomux_gpios), | ||
| 56 | .idle = 4, /* optional */ | ||
| 57 | }; | ||
| 58 | |||
| 59 | static struct platform_device myboard_i2cmux = { | ||
| 60 | .name = "gpio-i2cmux", | ||
| 61 | .id = 0, | ||
| 62 | .dev = { | ||
| 63 | .platform_data = &myboard_i2cmux_data, | ||
| 64 | }, | ||
| 65 | }; | ||
| @@ -0,0 +1,115 @@ | |||
| 1 | Kernel driver for CMA3000-D0x | ||
| 2 | ============================ | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * VTI CMA3000-D0x | ||
| 6 | Datasheet: | ||
| 7 | CMA3000-D0X Product Family Specification 8281000A.02.pdf | ||
| 8 | <http://www.vti.fi/en/> | ||
| 9 | |||
| 10 | Author: Hemanth V <hemanthv@ti.com> | ||
| 11 | |||
| 12 | |||
| 13 | Description | ||
| 14 | ----------- | ||
| 15 | CMA3000 Tri-axis accelerometer supports Motion detect, Measurement and | ||
| 16 | Free fall modes. | ||
| 17 | |||
| 18 | Motion Detect Mode: Its the low power mode where interrupts are generated only | ||
| 19 | when motion exceeds the defined thresholds. | ||
| 20 | |||
| 21 | Measurement Mode: This mode is used to read the acceleration data on X,Y,Z | ||
| 22 | axis and supports 400, 100, 40 Hz sample frequency. | ||
| 23 | |||
| 24 | Free fall Mode: This mode is intended to save system resources. | ||
| 25 | |||
| 26 | Threshold values: Chip supports defining threshold values for above modes | ||
| 27 | which includes time and g value. Refer product specifications for more details. | ||
| 28 | |||
| 29 | CMA3000 chip supports mutually exclusive I2C and SPI interfaces for | ||
| 30 | communication, currently the driver supports I2C based communication only. | ||
| 31 | Initial configuration for bus mode is set in non volatile memory and can later | ||
| 32 | be modified through bus interface command. | ||
| 33 | |||
| 34 | Driver reports acceleration data through input subsystem. It generates ABS_MISC | ||
| 35 | event with value 1 when free fall is detected. | ||
| 36 | |||
| 37 | Platform data need to be configured for initial default values. | ||
| 38 | |||
| 39 | Platform Data | ||
| 40 | ------------- | ||
| 41 | fuzz_x: Noise on X Axis | ||
| 42 | |||
| 43 | fuzz_y: Noise on Y Axis | ||
| 44 | |||
| 45 | fuzz_z: Noise on Z Axis | ||
| 46 | |||
| 47 | g_range: G range in milli g i.e 2000 or 8000 | ||
| 48 | |||
| 49 | mode: Default Operating mode | ||
| 50 | |||
| 51 | mdthr: Motion detect g range threshold value | ||
| 52 | |||
| 53 | mdfftmr: Motion detect and free fall time threshold value | ||
| 54 | |||
| 55 | ffthr: Free fall g range threshold value | ||
| 56 | |||
| 57 | Input Interface | ||
| 58 | -------------- | ||
| 59 | Input driver version is 1.0.0 | ||
| 60 | Input device ID: bus 0x18 vendor 0x0 product 0x0 version 0x0 | ||
| 61 | Input device name: "cma3000-accelerometer" | ||
| 62 | Supported events: | ||
| 63 | Event type 0 (Sync) | ||
| 64 | Event type 3 (Absolute) | ||
| 65 | Event code 0 (X) | ||
| 66 | Value 47 | ||
| 67 | Min -8000 | ||
| 68 | Max 8000 | ||
| 69 | Fuzz 200 | ||
| 70 | Event code 1 (Y) | ||
| 71 | Value -28 | ||
| 72 | Min -8000 | ||
| 73 | Max 8000 | ||
| 74 | Fuzz 200 | ||
| 75 | Event code 2 (Z) | ||
| 76 | Value 905 | ||
| 77 | Min -8000 | ||
| 78 | Max 8000 | ||
| 79 | Fuzz 200 | ||
| 80 | Event code 40 (Misc) | ||
| 81 | Value 0 | ||
| 82 | Min 0 | ||
| 83 | Max 1 | ||
| 84 | Event type 4 (Misc) | ||
| 85 | |||
| 86 | |||
| 87 | Register/Platform parameters Description | ||
| 88 | ---------------------------------------- | ||
| 89 | |||
| 90 | mode: | ||
| 91 | 0: power down mode | ||
| 92 | 1: 100 Hz Measurement mode | ||
| 93 | 2: 400 Hz Measurement mode | ||
| 94 | 3: 40 Hz Measurement mode | ||
| 95 | 4: Motion Detect mode (default) | ||
| 96 | 5: 100 Hz Free fall mode | ||
| 97 | 6: 40 Hz Free fall mode | ||
| 98 | 7: Power off mode | ||
| 99 | |||
| 100 | grange: | ||
| 101 | 2000: 2000 mg or 2G Range | ||
| 102 | 8000: 8000 mg or 8G Range | ||
| 103 | |||
| 104 | mdthr: | ||
| 105 | X: X * 71mg (8G Range) | ||
| 106 | X: X * 18mg (2G Range) | ||
| 107 | |||
| 108 | mdfftmr: | ||
| 109 | X: (X & 0x70) * 100 ms (MDTMR) | ||
| 110 | (X & 0x0F) * 2.5 ms (FFTMR 400 Hz) | ||
| 111 | (X & 0x0F) * 10 ms (FFTMR 100 Hz) | ||
| 112 | |||
| 113 | ffthr: | ||
| 114 | X: (X >> 2) * 18mg (2G Range) | ||
| 115 | X: (X & 0x0F) * 71 mg (8G Range) | ||
| @@ -49,7 +49,9 @@ This information is subject to change. · 48 unmodified lines | |||
| 49 | #include <linux/input.h> | 49 | #include <linux/input.h> |
| 50 | #include <sys/ioctl.h> | 50 | #include <sys/ioctl.h> |
| 51 | 51 | ||
| 52 | unsigned long features[1 + FF_MAX/sizeof(unsigned long)]; | 52 | #define BITS_TO_LONGS(x) \ |
| 53 | (((x) + 8 * sizeof (unsigned long) - 1) / (8 * sizeof (unsigned long))) | ||
| 54 | unsigned long features[BITS_TO_LONGS(FF_CNT)]; | ||
| 53 | int ioctl(int file_descriptor, int request, unsigned long *features); | 55 | int ioctl(int file_descriptor, int request, unsigned long *features); |
| 54 | 56 | ||
| 55 | "request" must be EVIOCGBIT(EV_FF, size of features array in bytes ) | 57 | "request" must be EVIOCGBIT(EV_FF, size of features array in bytes ) |
| @@ -1,6 +1,6 @@ | |||
| 1 | Multi-touch (MT) Protocol | 1 | Multi-touch (MT) Protocol |
| 2 | ------------------------- | 2 | ------------------------- |
| 3 | Copyright (C) 2009 Henrik Rydberg <rydberg@euromail.se> | 3 | Copyright (C) 2009-2010 Henrik Rydberg <rydberg@euromail.se> |
| 4 | 4 | ||
| 5 | 5 | ||
| 6 | Introduction | 6 | Introduction |
| @@ -161,19 +161,24 @@ against the glass. The inner region will increase, and in general, the · 154 unmodified lines | |||
| 161 | ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR, which is always smaller than | 161 | ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR, which is always smaller than |
| 162 | unity, is related to the contact pressure. For pressure-based devices, | 162 | unity, is related to the contact pressure. For pressure-based devices, |
| 163 | ABS_MT_PRESSURE may be used to provide the pressure on the contact area | 163 | ABS_MT_PRESSURE may be used to provide the pressure on the contact area |
| 164 | instead. | 164 | instead. Devices capable of contact hovering can use ABS_MT_DISTANCE to |
| 165 | indicate the distance between the contact and the surface. | ||
| 165 | 166 | ||
| 166 | In addition to the MAJOR parameters, the oval shape of the contact can be | 167 | In addition to the MAJOR parameters, the oval shape of the contact can be |
| 167 | described by adding the MINOR parameters, such that MAJOR and MINOR are the | 168 | described by adding the MINOR parameters, such that MAJOR and MINOR are the |
| 168 | major and minor axis of an ellipse. Finally, the orientation of the oval | 169 | major and minor axis of an ellipse. Finally, the orientation of the oval |
| 169 | shape can be describe with the ORIENTATION parameter. | 170 | shape can be describe with the ORIENTATION parameter. |
| 170 | 171 | ||
| 172 | For type A devices, further specification of the touch shape is possible | ||
| 173 | via ABS_MT_BLOB_ID. | ||
| 174 | |||
| 171 | The ABS_MT_TOOL_TYPE may be used to specify whether the touching tool is a | 175 | The ABS_MT_TOOL_TYPE may be used to specify whether the touching tool is a |
| 172 | contact or a pen or something else. Devices with more granular information | 176 | finger or a pen or something else. Finally, the ABS_MT_TRACKING_ID event |
| 173 | may specify general shapes as blobs, i.e., as a sequence of rectangular | 177 | may be used to track identified contacts over time [5]. |
| 174 | shapes grouped together by an ABS_MT_BLOB_ID. Finally, for the few devices | 178 | |
| 175 | that currently support it, the ABS_MT_TRACKING_ID event may be used to | 179 | In the type B protocol, ABS_MT_TOOL_TYPE and ABS_MT_TRACKING_ID are |
| 176 | report contact tracking from hardware [5]. | 180 | implicitly handled by input core; drivers should instead call |
| 181 | input_mt_report_slot_state(). | ||
| 177 | 182 | ||
| 178 | 183 | ||
| 179 | Event Semantics | 184 | Event Semantics |
| @@ -213,6 +218,12 @@ The pressure, in arbitrary units, on the contact area. May be used instead · 33 unmodified lines | |||
| 213 | of TOUCH and WIDTH for pressure-based devices or any device with a spatial | 218 | of TOUCH and WIDTH for pressure-based devices or any device with a spatial |
| 214 | signal intensity distribution. | 219 | signal intensity distribution. |
| 215 | 220 | ||
| 221 | ABS_MT_DISTANCE | ||
| 222 | |||
| 223 | The distance, in surface units, between the contact and the surface. Zero | ||
| 224 | distance means the contact is touching the surface. A positive number means | ||
| 225 | the contact is hovering above the surface. | ||
| 226 | |||
| 216 | ABS_MT_ORIENTATION | 227 | ABS_MT_ORIENTATION |
| 217 | 228 | ||
| 218 | The orientation of the ellipse. The value should describe a signed quarter | 229 | The orientation of the ellipse. The value should describe a signed quarter |
| @@ -240,21 +251,24 @@ ABS_MT_TOOL_TYPE · 21 unmodified lines | |||
| 240 | The type of approaching tool. A lot of kernel drivers cannot distinguish | 251 | The type of approaching tool. A lot of kernel drivers cannot distinguish |
| 241 | between different tool types, such as a finger or a pen. In such cases, the | 252 | between different tool types, such as a finger or a pen. In such cases, the |
| 242 | event should be omitted. The protocol currently supports MT_TOOL_FINGER and | 253 | event should be omitted. The protocol currently supports MT_TOOL_FINGER and |
| 243 | MT_TOOL_PEN [2]. | 254 | MT_TOOL_PEN [2]. For type B devices, this event is handled by input core; |
| 255 | drivers should instead use input_mt_report_slot_state(). | ||
| 244 | 256 | ||
| 245 | ABS_MT_BLOB_ID | 257 | ABS_MT_BLOB_ID |
| 246 | 258 | ||
| 247 | The BLOB_ID groups several packets together into one arbitrarily shaped | 259 | The BLOB_ID groups several packets together into one arbitrarily shaped |
| 248 | contact. This is a low-level anonymous grouping for type A devices, and | 260 | contact. The sequence of points forms a polygon which defines the shape of |
| 261 | the contact. This is a low-level anonymous grouping for type A devices, and | ||
| 249 | should not be confused with the high-level trackingID [5]. Most type A | 262 | should not be confused with the high-level trackingID [5]. Most type A |
| 250 | devices do not have blob capability, so drivers can safely omit this event. | 263 | devices do not have blob capability, so drivers can safely omit this event. |
| 251 | 264 | ||
| 252 | ABS_MT_TRACKING_ID | 265 | ABS_MT_TRACKING_ID |
| 253 | 266 | ||
| 254 | The TRACKING_ID identifies an initiated contact throughout its life cycle | 267 | The TRACKING_ID identifies an initiated contact throughout its life cycle |
| 255 | [5]. This event is mandatory for type B devices. The value range of the | 268 | [5]. The value range of the TRACKING_ID should be large enough to ensure |
| 256 | TRACKING_ID should be large enough to ensure unique identification of a | 269 | unique identification of a contact maintained over an extended period of |
| 257 | contact maintained over an extended period of time. | 270 | time. For type B devices, this event is handled by input core; drivers |
| 271 | should instead use input_mt_report_slot_state(). | ||
| 258 | 272 | ||
| 259 | 273 | ||
| 260 | Event Computation | 274 | Event Computation |
| @@ -301,18 +315,19 @@ and with ORIENTATION, one can detect twisting of fingers. · 40 unmodified lines | |||
| 301 | Notes | 315 | Notes |
| 302 | ----- | 316 | ----- |
| 303 | 317 | ||
| 304 | In order to stay compatible with existing applications, the data | 318 | In order to stay compatible with existing applications, the data reported |
| 305 | reported in a finger packet must not be recognized as single-touch | 319 | in a finger packet must not be recognized as single-touch events. |
| 306 | events. In addition, all finger data must bypass input filtering, | 320 | |
| 307 | since subsequent events of the same type refer to different fingers. | 321 | For type A devices, all finger data bypasses input filtering, since |
| 322 | subsequent events of the same type refer to different fingers. | ||
| 308 | 323 | ||
| 309 | The first kernel driver to utilize the MT protocol is the bcm5974 driver, | 324 | For example usage of the type A protocol, see the bcm5974 driver. For |
| 310 | where examples can be found. | 325 | example usage of the type B protocol, see the hid-egalax driver. |
| 311 | 326 | ||
| 312 | [1] With the extension ABS_MT_APPROACH_X and ABS_MT_APPROACH_Y, the | 327 | [1] With the extension ABS_MT_APPROACH_X and ABS_MT_APPROACH_Y, the |
| 313 | difference between the contact position and the approaching tool position | 328 | difference between the contact position and the approaching tool position |
| 314 | could be used to derive tilt. | 329 | could be used to derive tilt. |
| 315 | [2] The list can of course be extended. | 330 | [2] The list can of course be extended. |
| 316 | [3] Multitouch X driver project: http://bitmath.org/code/multitouch/. | 331 | [3] The mtdev project: http://bitmath.org/code/mtdev/. |
| 317 | [4] See the section on event computation. | 332 | [4] See the section on event computation. |
| 318 | [5] See the section on finger tracking. | 333 | [5] See the section on finger tracking. |
| @@ -155,7 +155,6 @@ Code Seq#(hex) Include File Comments · 154 unmodified lines | |||
| 155 | 'Q' all linux/soundcard.h | 155 | 'Q' all linux/soundcard.h |
| 156 | 'R' 00-1F linux/random.h conflict! | 156 | 'R' 00-1F linux/random.h conflict! |
| 157 | 'R' 01 linux/rfkill.h conflict! | 157 | 'R' 01 linux/rfkill.h conflict! |
| 158 | 'R' 01-0F media/rds.h conflict! | ||
| 159 | 'R' C0-DF net/bluetooth/rfcomm.h | 158 | 'R' C0-DF net/bluetooth/rfcomm.h |
| 160 | 'S' all linux/cdrom.h conflict! | 159 | 'S' all linux/cdrom.h conflict! |
| 161 | 'S' 80-81 scsi/scsi_ioctl.h conflict! | 160 | 'S' 80-81 scsi/scsi_ioctl.h conflict! |
| @@ -194,7 +193,6 @@ Code Seq#(hex) Include File Comments · 32 unmodified lines | |||
| 194 | <http://lrcwww.epfl.ch/> | 193 | <http://lrcwww.epfl.ch/> |
| 195 | 'b' 00-FF conflict! bit3 vme host bridge | 194 | 'b' 00-FF conflict! bit3 vme host bridge |
| 196 | <mailto:natalia@nikhefk.nikhef.nl> | 195 | <mailto:natalia@nikhefk.nikhef.nl> |
| 197 | 'b' 00-0F media/bt819.h conflict! | ||
| 198 | 'c' all linux/cm4000_cs.h conflict! | 196 | 'c' all linux/cm4000_cs.h conflict! |
| 199 | 'c' 00-7F linux/comstats.h conflict! | 197 | 'c' 00-7F linux/comstats.h conflict! |
| 200 | 'c' 00-7F linux/coda.h conflict! | 198 | 'c' 00-7F linux/coda.h conflict! |
| @@ -249,7 +247,7 @@ Code Seq#(hex) Include File Comments · 48 unmodified lines | |||
| 249 | 'p' 40-7F linux/nvram.h | 247 | 'p' 40-7F linux/nvram.h |
| 250 | 'p' 80-9F linux/ppdev.h user-space parport | 248 | 'p' 80-9F linux/ppdev.h user-space parport |
| 251 | <mailto:tim@cyberelk.net> | 249 | <mailto:tim@cyberelk.net> |
| 252 | 'p' A1-A4 linux/pps.h LinuxPPS | 250 | 'p' A1-A5 linux/pps.h LinuxPPS |
| 253 | <mailto:giometti@linux.it> | 251 | <mailto:giometti@linux.it> |
| 254 | 'q' 00-1F linux/serio.h | 252 | 'q' 00-1F linux/serio.h |
| 255 | 'q' 80-FF linux/telephony.h Internet PhoneJACK, Internet LineJACK | 253 | 'q' 80-FF linux/telephony.h Internet PhoneJACK, Internet LineJACK |
| @@ -260,14 +258,11 @@ Code Seq#(hex) Include File Comments · 4 unmodified lines | |||
| 260 | 't' 80-8F linux/isdn_ppp.h | 258 | 't' 80-8F linux/isdn_ppp.h |
| 261 | 't' 90 linux/toshiba.h | 259 | 't' 90 linux/toshiba.h |
| 262 | 'u' 00-1F linux/smb_fs.h gone | 260 | 'u' 00-1F linux/smb_fs.h gone |
| 263 | 'v' all linux/videodev.h conflict! | ||
| 264 | 'v' 00-1F linux/ext2_fs.h conflict! | 261 | 'v' 00-1F linux/ext2_fs.h conflict! |
| 265 | 'v' 00-1F linux/fs.h conflict! | 262 | 'v' 00-1F linux/fs.h conflict! |
| 266 | 'v' 00-0F linux/sonypi.h conflict! | 263 | 'v' 00-0F linux/sonypi.h conflict! |
| 267 | 'v' C0-CF drivers/media/video/ov511.h conflict! | ||
| 268 | 'v' C0-DF media/pwc-ioctl.h conflict! | 264 | 'v' C0-DF media/pwc-ioctl.h conflict! |
| 269 | 'v' C0-FF linux/meye.h conflict! | 265 | 'v' C0-FF linux/meye.h conflict! |
| 270 | 'v' C0-CF drivers/media/video/zoran/zoran.h conflict! | ||
| 271 | 'v' D0-DF drivers/media/video/cpia2/cpia2dev.h conflict! | 266 | 'v' D0-DF drivers/media/video/cpia2/cpia2dev.h conflict! |
| 272 | 'w' all CERN SCI driver | 267 | 'w' all CERN SCI driver |
| 273 | 'y' 00-1F packet based user level communications | 268 | 'y' 00-1F packet based user level communications |
| @@ -278,7 +273,6 @@ Code Seq#(hex) Include File Comments · 4 unmodified lines | |||
| 278 | <mailto:oe@port.de> | 273 | <mailto:oe@port.de> |
| 279 | 'z' 10-4F drivers/s390/crypto/zcrypt_api.h conflict! | 274 | 'z' 10-4F drivers/s390/crypto/zcrypt_api.h conflict! |
| 280 | 0x80 00-1F linux/fb.h | 275 | 0x80 00-1F linux/fb.h |
| 281 | 0x88 00-3F media/ovcamchip.h | ||
| 282 | 0x89 00-06 arch/x86/include/asm/sockios.h | 276 | 0x89 00-06 arch/x86/include/asm/sockios.h |
| 283 | 0x89 0B-DF linux/sockios.h | 277 | 0x89 0B-DF linux/sockios.h |
| 284 | 0x89 E0-EF linux/sockios.h SIOCPROTOPRIVATE range | 278 | 0x89 E0-EF linux/sockios.h SIOCPROTOPRIVATE range |
| @@ -81,7 +81,7 @@ Field 9 -- # of I/Os currently in progress · 80 unmodified lines | |||
| 81 | The only field that should go to zero. Incremented as requests are | 81 | The only field that should go to zero. Incremented as requests are |
| 82 | given to appropriate struct request_queue and decremented as they finish. | 82 | given to appropriate struct request_queue and decremented as they finish. |
| 83 | Field 10 -- # of milliseconds spent doing I/Os | 83 | Field 10 -- # of milliseconds spent doing I/Os |
| 84 | This field is increases so long as field 9 is nonzero. | 84 | This field increases so long as field 9 is nonzero. |
| 85 | Field 11 -- weighted # of milliseconds spent doing I/Os | 85 | Field 11 -- weighted # of milliseconds spent doing I/Os |
| 86 | This field is incremented at each I/O start, I/O completion, I/O | 86 | This field is incremented at each I/O start, I/O completion, I/O |
| 87 | merge, or read of these stats by the number of I/Os in progress | 87 | merge, or read of these stats by the number of I/Os in progress |
| @@ -73,6 +73,14 @@ Specify the output directory when building the kernel. · 72 unmodified lines | |||
| 73 | The output directory can also be specified using "O=...". | 73 | The output directory can also be specified using "O=...". |
| 74 | Setting "O=..." takes precedence over KBUILD_OUTPUT. | 74 | Setting "O=..." takes precedence over KBUILD_OUTPUT. |
| 75 | 75 | ||
| 76 | KBUILD_DEBARCH | ||
| 77 | -------------------------------------------------- | ||
| 78 | For the deb-pkg target, allows overriding the normal heuristics deployed by | ||
| 79 | deb-pkg. Normally deb-pkg attempts to guess the right architecture based on | ||
| 80 | the UTS_MACHINE variable, and on some architectures also the kernel config. | ||
| 81 | The value of KBUILD_DEBARCH is assumed (not checked) to be a valid Debian | ||
| 82 | architecture. | ||
| 83 | |||
| 76 | ARCH | 84 | ARCH |
| 77 | -------------------------------------------------- | 85 | -------------------------------------------------- |
| 78 | Set ARCH to the architecture to be built. | 86 | Set ARCH to the architecture to be built. |
| @@ -112,7 +112,6 @@ applicable everywhere (see syntax). · 111 unmodified lines | |||
| 112 | (no prompts anywhere) and for symbols with no dependencies. | 112 | (no prompts anywhere) and for symbols with no dependencies. |
| 113 | That will limit the usefulness but on the other hand avoid | 113 | That will limit the usefulness but on the other hand avoid |
| 114 | the illegal configurations all over. | 114 | the illegal configurations all over. |
| 115 | kconfig should one day warn about such things. | ||
| 116 | 115 | ||
| 117 | - numerical ranges: "range" <symbol> <symbol> ["if" <expr>] | 116 | - numerical ranges: "range" <symbol> <symbol> ["if" <expr>] |
| 118 | This allows to limit the range of possible input values for int | 117 | This allows to limit the range of possible input values for int |
| @@ -268,7 +267,7 @@ separate list of options. · 149 unmodified lines | |||
| 268 | 267 | ||
| 269 | choices: | 268 | choices: |
| 270 | 269 | ||
| 271 | "choice" | 270 | "choice" [symbol] |
| 272 | <choice options> | 271 | <choice options> |
| 273 | <choice block> | 272 | <choice block> |
| 274 | "endchoice" | 273 | "endchoice" |
| @@ -282,6 +281,10 @@ single driver can be compiled/loaded into the kernel, but all drivers · 7 unmodified lines | |||
| 282 | can be compiled as modules. | 281 | can be compiled as modules. |
| 283 | A choice accepts another option "optional", which allows to set the | 282 | A choice accepts another option "optional", which allows to set the |
| 284 | choice to 'n' and no entry needs to be selected. | 283 | choice to 'n' and no entry needs to be selected. |
| 284 | If no [symbol] is associated with a choice, then you can not have multiple | ||
| 285 | definitions of that choice. If a [symbol] is associated to the choice, | ||
| 286 | then you may define the same choice (ie. with the same entries) in another | ||
| 287 | place. | ||
| 285 | 288 | ||
| 286 | comment: | 289 | comment: |
| 287 | 290 | ||
| @@ -1136,6 +1136,21 @@ When kbuild executes, the following steps are followed (roughly): · 1135 unmodified lines | |||
| 1136 | resulting in the target file being recompiled for no | 1136 | resulting in the target file being recompiled for no |
| 1137 | obvious reason. | 1137 | obvious reason. |
| 1138 | 1138 | ||
| 1139 | dtc | ||
| 1140 | Create flattend device tree blob object suitable for linking | ||
| 1141 | into vmlinux. Device tree blobs linked into vmlinux are placed | ||
| 1142 | in an init section in the image. Platform code *must* copy the | ||
| 1143 | blob to non-init memory prior to calling unflatten_device_tree(). | ||
| 1144 | |||
| 1145 | Example: | ||
| 1146 | #arch/x86/platform/ce4100/Makefile | ||
| 1147 | clean-files := *dtb.S | ||
| 1148 | |||
| 1149 | DTC_FLAGS := -p 1024 | ||
| 1150 | obj-y += foo.dtb.o | ||
| 1151 | |||
| 1152 | $(obj)/%.dtb: $(src)/%.dts | ||
| 1153 | $(call cmd,dtc) | ||
| 1139 | 1154 | ||
| 1140 | --- 6.7 Custom kbuild commands | 1155 | --- 6.7 Custom kbuild commands |
| 1141 | 1156 | ||
| @@ -65,18 +65,21 @@ Install kexec-tools · 64 unmodified lines | |||
| 65 | 65 | ||
| 66 | 2) Download the kexec-tools user-space package from the following URL: | 66 | 2) Download the kexec-tools user-space package from the following URL: |
| 67 | 67 | ||
| 68 | http://www.kernel.org/pub/linux/kernel/people/horms/kexec-tools/kexec-tools.tar.gz | 68 | http://kernel.org/pub/linux/utils/kernel/kexec/kexec-tools.tar.gz |
| 69 | 69 | ||
| 70 | This is a symlink to the latest version. | 70 | This is a symlink to the latest version. |
| 71 | 71 | ||
| 72 | The latest kexec-tools git tree is available at: | 72 | The latest kexec-tools git tree is available at: |
| 73 | 73 | ||
| 74 | git://git.kernel.org/pub/scm/linux/kernel/git/horms/kexec-tools.git | 74 | git://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git |
| 75 | or | 75 | and |
| 76 | http://www.kernel.org/git/?p=linux/kernel/git/horms/kexec-tools.git | 76 | http://www.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git |
| 77 | |||
| 78 | There is also a gitweb interface available at | ||
| 79 | http://www.kernel.org/git/?p=utils/kernel/kexec/kexec-tools.git | ||
| 77 | 80 | ||
| 78 | More information about kexec-tools can be found at | 81 | More information about kexec-tools can be found at |
| 79 | http://www.kernel.org/pub/linux/kernel/people/horms/kexec-tools/README.html | 82 | http://www.kernel.org/pub/linux/utils/kernel/kexec/README.html |
| 80 | 83 | ||
| 81 | 3) Unpack the tarball with the tar command, as follows: | 84 | 3) Unpack the tarball with the tar command, as follows: |
| 82 | 85 | ||
| @@ -439,6 +442,6 @@ To Do · 356 unmodified lines | |||
| 439 | Contact | 442 | Contact |
| 440 | ======= | 443 | ======= |
| 441 | 444 | ||
| 442 | Vivek Goyal (vgoyal@in.ibm.com) | 445 | Vivek Goyal (vgoyal@redhat.com) |
| 443 | Maneesh Soni (maneesh@in.ibm.com) | 446 | Maneesh Soni (maneesh@in.ibm.com) |
| 444 | 447 | ||
| @@ -537,7 +537,7 @@ · 536 unmodified lines | |||
| 537 | Notes: Further information in | 537 | Notes: Further information in |
| 538 | http://www.oreilly.com/catalog/linuxdrive2/ | 538 | http://www.oreilly.com/catalog/linuxdrive2/ |
| 539 | 539 | ||
| 540 | * Title: "Linux Device Drivers, 3nd Edition" | 540 | * Title: "Linux Device Drivers, 3rd Edition" |
| 541 | Authors: Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman | 541 | Authors: Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman |
| 542 | Publisher: O'Reilly & Associates. | 542 | Publisher: O'Reilly & Associates. |
| 543 | Date: 2005. | 543 | Date: 2005. |
| @@ -592,14 +592,6 @@ · 48 unmodified lines | |||
| 592 | Pages: 600. | 592 | Pages: 600. |
| 593 | ISBN: 0-13-101908-2 | 593 | ISBN: 0-13-101908-2 |
| 594 | 594 | ||
| 595 | * Title: "The Design and Implementation of the 4.4 BSD UNIX | ||
| 596 | Operating System" | ||
| 597 | Author: Marshall Kirk McKusick, Keith Bostic, Michael J. Karels, | ||
| 598 | John S. Quarterman. | ||
| 599 | Publisher: Addison-Wesley. | ||
| 600 | Date: 1996. | ||
| 601 | ISBN: 0-201-54979-4 | ||
| 602 | |||
| 603 | * Title: "Programming for the real world - POSIX.4" | 595 | * Title: "Programming for the real world - POSIX.4" |
| 604 | Author: Bill O. Gallmeister. | 596 | Author: Bill O. Gallmeister. |
| 605 | Publisher: O'Reilly & Associates, Inc.. | 597 | Publisher: O'Reilly & Associates, Inc.. |
| @@ -610,28 +602,13 @@ · 4 unmodified lines | |||
| 610 | POSIX. Good reference. | 602 | POSIX. Good reference. |
| 611 | 603 | ||
| 612 | * Title: "UNIX Systems for Modern Architectures: Symmetric | 604 | * Title: "UNIX Systems for Modern Architectures: Symmetric |
| 613 | Multiprocesssing and Caching for Kernel Programmers" | 605 | Multiprocessing and Caching for Kernel Programmers" |
| 614 | Author: Curt Schimmel. | 606 | Author: Curt Schimmel. |
| 615 | Publisher: Addison Wesley. | 607 | Publisher: Addison Wesley. |
| 616 | Date: June, 1994. | 608 | Date: June, 1994. |
| 617 | Pages: 432. | 609 | Pages: 432. |
| 618 | ISBN: 0-201-63338-8 | 610 | ISBN: 0-201-63338-8 |
| 619 | 611 | ||
| 620 | * Title: "The Design and Implementation of the 4.3 BSD UNIX | ||
| 621 | Operating System" | ||
| 622 | Author: Samuel J. Leffler, Marshall Kirk McKusick, Michael J. | ||
| 623 | Karels, John S. Quarterman. | ||
| 624 | Publisher: Addison-Wesley. | ||
| 625 | Date: 1989 (reprinted with corrections on October, 1990). | ||
| 626 | ISBN: 0-201-06196-1 | ||
| 627 | |||
| 628 | * Title: "The Design of the UNIX Operating System" | ||
| 629 | Author: Maurice J. Bach. | ||
| 630 | Publisher: Prentice Hall. | ||
| 631 | Date: 1986. | ||
| 632 | Pages: 471. | ||
| 633 | ISBN: 0-13-201757-1 | ||
| 634 | |||
| 635 | MISCELLANEOUS: | 612 | MISCELLANEOUS: |
| 636 | 613 | ||
| 637 | * Name: linux/Documentation | 614 | * Name: linux/Documentation |
| @@ -43,11 +43,11 @@ parameter is applicable: · 42 unmodified lines | |||
| 43 | AVR32 AVR32 architecture is enabled. | 43 | AVR32 AVR32 architecture is enabled. |
| 44 | AX25 Appropriate AX.25 support is enabled. | 44 | AX25 Appropriate AX.25 support is enabled. |
| 45 | BLACKFIN Blackfin architecture is enabled. | 45 | BLACKFIN Blackfin architecture is enabled. |
| 46 | DRM Direct Rendering Management support is enabled. | ||
| 47 | DYNAMIC_DEBUG Build in debug messages and enable them at runtime | ||
| 46 | EDD BIOS Enhanced Disk Drive Services (EDD) is enabled | 48 | EDD BIOS Enhanced Disk Drive Services (EDD) is enabled |
| 47 | EFI EFI Partitioning (GPT) is enabled | 49 | EFI EFI Partitioning (GPT) is enabled |
| 48 | EIDE EIDE/ATAPI support is enabled. | 50 | EIDE EIDE/ATAPI support is enabled. |
| 49 | DRM Direct Rendering Management support is enabled. | ||
| 50 | DYNAMIC_DEBUG Build in debug messages and enable them at runtime | ||
| 51 | FB The frame buffer device is enabled. | 51 | FB The frame buffer device is enabled. |
| 52 | GCOV GCOV profiling is enabled. | 52 | GCOV GCOV profiling is enabled. |
| 53 | HW Appropriate hardware is enabled. | 53 | HW Appropriate hardware is enabled. |
| @@ -144,6 +144,11 @@ a fixed number of characters. This limit depends on the architecture · 90 unmodified lines | |||
| 144 | and is between 256 and 4096 characters. It is defined in the file | 144 | and is between 256 and 4096 characters. It is defined in the file |
| 145 | ./include/asm/setup.h as COMMAND_LINE_SIZE. | 145 | ./include/asm/setup.h as COMMAND_LINE_SIZE. |
| 146 | 146 | ||
| 147 | Finally, the [KMG] suffix is commonly described after a number of kernel | ||
| 148 | parameter values. These 'K', 'M', and 'G' letters represent the _binary_ | ||
| 149 | multipliers 'Kilo', 'Mega', and 'Giga', equalling 2^10, 2^20, and 2^30 | ||
| 150 | bytes respectively. Such letter suffixes can also be entirely omitted. | ||
| 151 | |||
| 147 | 152 | ||
| 148 | acpi= [HW,ACPI,X86] | 153 | acpi= [HW,ACPI,X86] |
| 149 | Advanced Configuration and Power Interface | 154 | Advanced Configuration and Power Interface |
| @@ -199,11 +204,6 @@ and is between 256 and 4096 characters. It is defined in the file · 49 unmodified lines | |||
| 199 | unusable. The "log_buf_len" parameter may be useful | 204 | unusable. The "log_buf_len" parameter may be useful |
| 200 | if you need to capture more output. | 205 | if you need to capture more output. |
| 201 | 206 | ||
| 202 | acpi_display_output= [HW,ACPI] | ||
| 203 | acpi_display_output=vendor | ||
| 204 | acpi_display_output=video | ||
| 205 | See above. | ||
| 206 | |||
| 207 | acpi_irq_balance [HW,ACPI] | 207 | acpi_irq_balance [HW,ACPI] |
| 208 | ACPI will balance active IRQs | 208 | ACPI will balance active IRQs |
| 209 | default in APIC mode | 209 | default in APIC mode |
| @@ -403,6 +403,10 @@ and is between 256 and 4096 characters. It is defined in the file · 193 unmodified lines | |||
| 403 | bttv.pll= See Documentation/video4linux/bttv/Insmod-options | 403 | bttv.pll= See Documentation/video4linux/bttv/Insmod-options |
| 404 | bttv.tuner= and Documentation/video4linux/bttv/CARDLIST | 404 | bttv.tuner= and Documentation/video4linux/bttv/CARDLIST |
| 405 | 405 | ||
| 406 | bulk_remove=off [PPC] This parameter disables the use of the pSeries | ||
| 407 | firmware feature for flushing multiple hpte entries | ||
| 408 | at a time. | ||
| 409 | |||
| 406 | c101= [NET] Moxa C101 synchronous serial card | 410 | c101= [NET] Moxa C101 synchronous serial card |
| 407 | 411 | ||
| 408 | cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection. | 412 | cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection. |
| @@ -546,16 +550,20 @@ and is between 256 and 4096 characters. It is defined in the file · 137 unmodified lines | |||
| 546 | Format: | 550 | Format: |
| 547 | <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] | 551 | <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] |
| 548 | 552 | ||
| 549 | crashkernel=nn[KMG]@ss[KMG] | 553 | crashkernel=size[KMG][@offset[KMG]] |
| 550 | [KNL] Reserve a chunk of physical memory to | 554 | [KNL] Using kexec, Linux can switch to a 'crash kernel' |
| 551 | hold a kernel to switch to with kexec on panic. | 555 | upon panic. This parameter reserves the physical |
| 556 | memory region [offset, offset + size] for that kernel | ||
| 557 | image. If '@offset' is omitted, then a suitable offset | ||
| 558 | is selected automatically. Check | ||
| 559 | Documentation/kdump/kdump.txt for further details. | ||
| 552 | 560 | ||
| 553 | crashkernel=range1:size1[,range2:size2,...][@offset] | 561 | crashkernel=range1:size1[,range2:size2,...][@offset] |
| 554 | [KNL] Same as above, but depends on the memory | 562 | [KNL] Same as above, but depends on the memory |
| 555 | in the running system. The syntax of range is | 563 | in the running system. The syntax of range is |
| 556 | start-[end] where start and end are both | 564 | start-[end] where start and end are both |
| 557 | a memory unit (amount[KMG]). See also | 565 | a memory unit (amount[KMG]). See also |
| 558 | Documentation/kdump/kdump.txt for a example. | 566 | Documentation/kdump/kdump.txt for an example. |
| 559 | 567 | ||
| 560 | cs89x0_dma= [HW,NET] | 568 | cs89x0_dma= [HW,NET] |
| 561 | Format: <dma> | 569 | Format: <dma> |
| @@ -655,11 +663,6 @@ and is between 256 and 4096 characters. It is defined in the file · 93 unmodified lines | |||
| 655 | 663 | ||
| 656 | dscc4.setup= [NET] | 664 | dscc4.setup= [NET] |
| 657 | 665 | ||
| 658 | dynamic_printk Enables pr_debug()/dev_dbg() calls if | ||
| 659 | CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. | ||
| 660 | These can also be switched on/off via | ||
| 661 | <debugfs>/dynamic_printk/modules | ||
| 662 | |||
| 663 | earlycon= [KNL] Output early console device and options. | 666 | earlycon= [KNL] Output early console device and options. |
| 664 | uart[8250],io,<addr>[,options] | 667 | uart[8250],io,<addr>[,options] |
| 665 | uart[8250],mmio,<addr>[,options] | 668 | uart[8250],mmio,<addr>[,options] |
| @@ -884,6 +887,7 @@ and is between 256 and 4096 characters. It is defined in the file · 218 unmodified lines | |||
| 884 | controller | 887 | controller |
| 885 | i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX | 888 | i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX |
| 886 | controllers | 889 | controllers |
| 890 | i8042.notimeout [HW] Ignore timeout condition signalled by conroller | ||
| 887 | i8042.reset [HW] Reset the controller during init and cleanup | 891 | i8042.reset [HW] Reset the controller during init and cleanup |
| 888 | i8042.unlock [HW] Unlock (ignore) the keylock | 892 | i8042.unlock [HW] Unlock (ignore) the keylock |
| 889 | 893 | ||
| @@ -1267,10 +1271,9 @@ and is between 256 and 4096 characters. It is defined in the file · 377 unmodified lines | |||
| 1267 | 6 (KERN_INFO) informational | 1271 | 6 (KERN_INFO) informational |
| 1268 | 7 (KERN_DEBUG) debug-level messages | 1272 | 7 (KERN_DEBUG) debug-level messages |
| 1269 | 1273 | ||
| 1270 | log_buf_len=n Sets the size of the printk ring buffer, in bytes. | 1274 | log_buf_len=n[KMG] Sets the size of the printk ring buffer, |
| 1271 | Format: { n | nk | nM } | 1275 | in bytes. n must be a power of two. The default |
| 1272 | n must be a power of two. The default size | 1276 | size is set in the kernel config file. |
| 1273 | is set in the kernel config file. | ||
| 1274 | 1277 | ||
| 1275 | logo.nologo [FB] Disables display of the built-in Linux logo. | 1278 | logo.nologo [FB] Disables display of the built-in Linux logo. |
| 1276 | This may be used to provide more screen space for | 1279 | This may be used to provide more screen space for |
| @@ -1490,6 +1493,10 @@ and is between 256 and 4096 characters. It is defined in the file · 213 unmodified lines | |||
| 1490 | mtdparts= [MTD] | 1493 | mtdparts= [MTD] |
| 1491 | See drivers/mtd/cmdlinepart.c. | 1494 | See drivers/mtd/cmdlinepart.c. |
| 1492 | 1495 | ||
| 1496 | multitce=off [PPC] This parameter disables the use of the pSeries | ||
| 1497 | firmware feature for updating multiple TCE entries | ||
| 1498 | at a time. | ||
| 1499 | |||
| 1493 | onenand.bdry= [HW,MTD] Flex-OneNAND Boundary Configuration | 1500 | onenand.bdry= [HW,MTD] Flex-OneNAND Boundary Configuration |
| 1494 | 1501 | ||
| 1495 | Format: [die0_boundary][,die0_lock][,die1_boundary][,die1_lock] | 1502 | Format: [die0_boundary][,die0_lock][,die1_boundary][,die1_lock] |
| @@ -1579,20 +1586,12 @@ and is between 256 and 4096 characters. It is defined in the file · 83 unmodified lines | |||
| 1579 | 1586 | ||
| 1580 | nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels | 1587 | nmi_watchdog= [KNL,BUGS=X86] Debugging features for SMP kernels |
| 1581 | Format: [panic,][num] | 1588 | Format: [panic,][num] |
| 1582 | Valid num: 0,1,2 | 1589 | Valid num: 0 |
| 1583 | 0 - turn nmi_watchdog off | 1590 | 0 - turn nmi_watchdog off |
| 1584 | 1 - use the IO-APIC timer for the NMI watchdog | ||
| 1585 | 2 - use the local APIC for the NMI watchdog using | ||
| 1586 | a performance counter. Note: This will use one | ||
| 1587 | performance counter and the local APIC's performance | ||
| 1588 | vector. | ||
| 1589 | When panic is specified, panic when an NMI watchdog | 1591 | When panic is specified, panic when an NMI watchdog |
| 1590 | timeout occurs. | 1592 | timeout occurs. |
| 1591 | This is useful when you use a panic=... timeout and | 1593 | This is useful when you use a panic=... timeout and |
| 1592 | need the box quickly up again. | 1594 | need the box quickly up again. |
| 1593 | Instead of 1 and 2 it is possible to use the following | ||
| 1594 | symbolic names: lapic and ioapic | ||
| 1595 | Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic | ||
| 1596 | 1595 | ||
| 1597 | netpoll.carrier_timeout= | 1596 | netpoll.carrier_timeout= |
| 1598 | [NET] Specifies amount of time (in seconds) that | 1597 | [NET] Specifies amount of time (in seconds) that |
| @@ -1622,6 +1621,8 @@ and is between 256 and 4096 characters. It is defined in the file · 23 unmodified lines | |||
| 1622 | noapic [SMP,APIC] Tells the kernel to not make use of any | 1621 | noapic [SMP,APIC] Tells the kernel to not make use of any |
| 1623 | IOAPICs that may be present in the system. | 1622 | IOAPICs that may be present in the system. |
| 1624 | 1623 | ||
| 1624 | noautogroup Disable scheduler automatic task group creation. | ||
| 1625 | |||
| 1625 | nobats [PPC] Do not use BATs for mapping kernel lowmem | 1626 | nobats [PPC] Do not use BATs for mapping kernel lowmem |
| 1626 | on "Classic" PPC cores. | 1627 | on "Classic" PPC cores. |
| 1627 | 1628 | ||
| @@ -1707,6 +1708,9 @@ and is between 256 and 4096 characters. It is defined in the file · 79 unmodified lines | |||
| 1707 | 1708 | ||
| 1708 | no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver | 1709 | no-kvmclock [X86,KVM] Disable paravirtualized KVM clock driver |
| 1709 | 1710 | ||
| 1711 | no-kvmapf [X86,KVM] Disable paravirtualized asynchronous page | ||
| 1712 | fault handling. | ||
| 1713 | |||
| 1710 | nolapic [X86-32,APIC] Do not enable or use the local APIC. | 1714 | nolapic [X86-32,APIC] Do not enable or use the local APIC. |
| 1711 | 1715 | ||
| 1712 | nolapic_timer [X86-32,APIC] Do not use the local APIC timer. | 1716 | nolapic_timer [X86-32,APIC] Do not use the local APIC timer. |
| @@ -2467,12 +2471,13 @@ and is between 256 and 4096 characters. It is defined in the file · 754 unmodified lines | |||
| 2467 | to facilitate early boot debugging. | 2471 | to facilitate early boot debugging. |
| 2468 | See also Documentation/trace/events.txt | 2472 | See also Documentation/trace/events.txt |
| 2469 | 2473 | ||
| 2470 | tsc= Disable clocksource-must-verify flag for TSC. | 2474 | tsc= Disable clocksource stability checks for TSC. |
| 2471 | Format: <string> | 2475 | Format: <string> |
| 2472 | [x86] reliable: mark tsc clocksource as reliable, this | 2476 | [x86] reliable: mark tsc clocksource as reliable, this |
| 2473 | disables clocksource verification at runtime. | 2477 | disables clocksource verification at runtime, as well |
| 2474 | Used to enable high-resolution timer mode on older | 2478 | as the stability checks done at bootup. Used to enable |
| 2475 | hardware, and in virtualized environment. | 2479 | high-resolution timer mode on older hardware, and in |
| 2480 | virtualized environment. | ||
| 2476 | [x86] noirqtime: Do not use TSC to do irq accounting. | 2481 | [x86] noirqtime: Do not use TSC to do irq accounting. |
| 2477 | Used to run time disable IRQ_TIME_ACCOUNTING on any | 2482 | Used to run time disable IRQ_TIME_ACCOUNTING on any |
| 2478 | platforms where RDTSC is slow and this accounting | 2483 | platforms where RDTSC is slow and this accounting |
| @@ -0,0 +1,145 @@ | |||
| 1 | Trusted and Encrypted Keys | ||
| 2 | |||
| 3 | Trusted and Encrypted Keys are two new key types added to the existing kernel | ||
| 4 | key ring service. Both of these new types are variable length symmetic keys, | ||
| 5 | and in both cases all keys are created in the kernel, and user space sees, | ||
| 6 | stores, and loads only encrypted blobs. Trusted Keys require the availability | ||
| 7 | of a Trusted Platform Module (TPM) chip for greater security, while Encrypted | ||
| 8 | Keys can be used on any system. All user level blobs, are displayed and loaded | ||
| 9 | in hex ascii for convenience, and are integrity verified. | ||
| 10 | |||
| 11 | Trusted Keys use a TPM both to generate and to seal the keys. Keys are sealed | ||
| 12 | under a 2048 bit RSA key in the TPM, and optionally sealed to specified PCR | ||
| 13 | (integrity measurement) values, and only unsealed by the TPM, if PCRs and blob | ||
| 14 | integrity verifications match. A loaded Trusted Key can be updated with new | ||
| 15 | (future) PCR values, so keys are easily migrated to new pcr values, such as | ||
| 16 | when the kernel and initramfs are updated. The same key can have many saved | ||
| 17 | blobs under different PCR values, so multiple boots are easily supported. | ||
| 18 | |||
| 19 | By default, trusted keys are sealed under the SRK, which has the default | ||
| 20 | authorization value (20 zeros). This can be set at takeownership time with the | ||
| 21 | trouser's utility: "tpm_takeownership -u -z". | ||
| 22 | |||
| 23 | Usage: | ||
| 24 | keyctl add trusted name "new keylen [options]" ring | ||
| 25 | keyctl add trusted name "load hex_blob [pcrlock=pcrnum]" ring | ||
| 26 | keyctl update key "update [options]" | ||
| 27 | keyctl print keyid | ||
| 28 | |||
| 29 | options: | ||
| 30 | keyhandle= ascii hex value of sealing key default 0x40000000 (SRK) | ||
| 31 | keyauth= ascii hex auth for sealing key default 0x00...i | ||
| 32 | (40 ascii zeros) | ||
| 33 | blobauth= ascii hex auth for sealed data default 0x00... | ||
| 34 | (40 ascii zeros) | ||
| 35 | blobauth= ascii hex auth for sealed data default 0x00... | ||
| 36 | (40 ascii zeros) | ||
| 37 | pcrinfo= ascii hex of PCR_INFO or PCR_INFO_LONG (no default) | ||
| 38 | pcrlock= pcr number to be extended to "lock" blob | ||
| 39 | migratable= 0|1 indicating permission to reseal to new PCR values, | ||
| 40 | default 1 (resealing allowed) | ||
| 41 | |||
| 42 | "keyctl print" returns an ascii hex copy of the sealed key, which is in standard | ||
| 43 | TPM_STORED_DATA format. The key length for new keys are always in bytes. | ||
| 44 | Trusted Keys can be 32 - 128 bytes (256 - 1024 bits), the upper limit is to fit | ||
| 45 | within the 2048 bit SRK (RSA) keylength, with all necessary structure/padding. | ||
| 46 | |||
| 47 | Encrypted keys do not depend on a TPM, and are faster, as they use AES for | ||
| 48 | encryption/decryption. New keys are created from kernel generated random | ||
| 49 | numbers, and are encrypted/decrypted using a specified 'master' key. The | ||
| 50 | 'master' key can either be a trusted-key or user-key type. The main | ||
| 51 | disadvantage of encrypted keys is that if they are not rooted in a trusted key, | ||
| 52 | they are only as secure as the user key encrypting them. The master user key | ||
| 53 | should therefore be loaded in as secure a way as possible, preferably early in | ||
| 54 | boot. | ||
| 55 | |||
| 56 | Usage: | ||
| 57 | keyctl add encrypted name "new key-type:master-key-name keylen" ring | ||
| 58 | keyctl add encrypted name "load hex_blob" ring | ||
| 59 | keyctl update keyid "update key-type:master-key-name" | ||
| 60 | |||
| 61 | where 'key-type' is either 'trusted' or 'user'. | ||
| 62 | |||
| 63 | Examples of trusted and encrypted key usage: | ||
| 64 | |||
| 65 | Create and save a trusted key named "kmk" of length 32 bytes: | ||
| 66 | |||
| 67 | $ keyctl add trusted kmk "new 32" @u | ||
| 68 | 440502848 | ||
| 69 | |||
| 70 | $ keyctl show | ||
| 71 | Session Keyring | ||
| 72 | -3 --alswrv 500 500 keyring: _ses | ||
| 73 | 97833714 --alswrv 500 -1 \_ keyring: _uid.500 | ||
| 74 | 440502848 --alswrv 500 500 \_ trusted: kmk | ||
| 75 | |||
| 76 | $ keyctl print 440502848 | ||
| 77 | 0101000000000000000001005d01b7e3f4a6be5709930f3b70a743cbb42e0cc95e18e915 | ||
| 78 | 3f60da455bbf1144ad12e4f92b452f966929f6105fd29ca28e4d4d5a031d068478bacb0b | ||
| 79 | 27351119f822911b0a11ba3d3498ba6a32e50dac7f32894dd890eb9ad578e4e292c83722 | ||
| 80 | a52e56a097e6a68b3f56f7a52ece0cdccba1eb62cad7d817f6dc58898b3ac15f36026fec | ||
| 81 | d568bd4a706cb60bb37be6d8f1240661199d640b66fb0fe3b079f97f450b9ef9c22c6d5d | ||
| 82 | dd379f0facd1cd020281dfa3c70ba21a3fa6fc2471dc6d13ecf8298b946f65345faa5ef0 | ||
| 83 | f1f8fff03ad0acb083725535636addb08d73dedb9832da198081e5deae84bfaf0409c22b | ||
| 84 | e4a8aea2b607ec96931e6f4d4fe563ba | ||
| 85 | |||
| 86 | $ keyctl pipe 440502848 > kmk.blob | ||
| 87 | |||
| 88 | Load a trusted key from the saved blob: | ||
| 89 | |||
| 90 | $ keyctl add trusted kmk "load `cat kmk.blob`" @u | ||
| 91 | 268728824 | ||
| 92 | |||
| 93 | $ keyctl print 268728824 | ||
| 94 | 0101000000000000000001005d01b7e3f4a6be5709930f3b70a743cbb42e0cc95e18e915 | ||
| 95 | 3f60da455bbf1144ad12e4f92b452f966929f6105fd29ca28e4d4d5a031d068478bacb0b | ||
| 96 | 27351119f822911b0a11ba3d3498ba6a32e50dac7f32894dd890eb9ad578e4e292c83722 | ||
| 97 | a52e56a097e6a68b3f56f7a52ece0cdccba1eb62cad7d817f6dc58898b3ac15f36026fec | ||
| 98 | d568bd4a706cb60bb37be6d8f1240661199d640b66fb0fe3b079f97f450b9ef9c22c6d5d | ||
| 99 | dd379f0facd1cd020281dfa3c70ba21a3fa6fc2471dc6d13ecf8298b946f65345faa5ef0 | ||
| 100 | f1f8fff03ad0acb083725535636addb08d73dedb9832da198081e5deae84bfaf0409c22b | ||
| 101 | e4a8aea2b607ec96931e6f4d4fe563ba | ||
| 102 | |||
| 103 | Reseal a trusted key under new pcr values: | ||
| 104 | |||
| 105 | $ keyctl update 268728824 "update pcrinfo=`cat pcr.blob`" | ||
| 106 | $ keyctl print 268728824 | ||
| 107 | 010100000000002c0002800093c35a09b70fff26e7a98ae786c641e678ec6ffb6b46d805 | ||
| 108 | 77c8a6377aed9d3219c6dfec4b23ffe3000001005d37d472ac8a44023fbb3d18583a4f73 | ||
| 109 | d3a076c0858f6f1dcaa39ea0f119911ff03f5406df4f7f27f41da8d7194f45c9f4e00f2e | ||
| 110 | df449f266253aa3f52e55c53de147773e00f0f9aca86c64d94c95382265968c354c5eab4 | ||
| 111 | 9638c5ae99c89de1e0997242edfb0b501744e11ff9762dfd951cffd93227cc513384e7e6 | ||
| 112 | e782c29435c7ec2edafaa2f4c1fe6e7a781b59549ff5296371b42133777dcc5b8b971610 | ||
| 113 | 94bc67ede19e43ddb9dc2baacad374a36feaf0314d700af0a65c164b7082401740e489c9 | ||
| 114 | 7ef6a24defe4846104209bf0c3eced7fa1a672ed5b125fc9d8cd88b476a658a4434644ef | ||
| 115 | df8ae9a178e9f83ba9f08d10fa47e4226b98b0702f06b3b8 | ||
| 116 | |||
| 117 | Create and save an encrypted key "evm" using the above trusted key "kmk": | ||
| 118 | |||
| 119 | $ keyctl add encrypted evm "new trusted:kmk 32" @u | ||
| 120 | 159771175 | ||
| 121 | |||
| 122 | $ keyctl print 159771175 | ||
| 123 | trusted:kmk 32 2375725ad57798846a9bbd240de8906f006e66c03af53b1b382dbbc55 | ||
| 124 | be2a44616e4959430436dc4f2a7a9659aa60bb4652aeb2120f149ed197c564e024717c64 | ||
| 125 | 5972dcb82ab2dde83376d82b2e3c09ffc | ||
| 126 | |||
| 127 | $ keyctl pipe 159771175 > evm.blob | ||
| 128 | |||
| 129 | Load an encrypted key "evm" from saved blob: | ||
| 130 | |||
| 131 | $ keyctl add encrypted evm "load `cat evm.blob`" @u | ||
| 132 | 831684262 | ||
| 133 | |||
| 134 | $ keyctl print 831684262 | ||
| 135 | trusted:kmk 32 2375725ad57798846a9bbd240de8906f006e66c03af53b1b382dbbc55 | ||
| 136 | be2a44616e4959430436dc4f2a7a9659aa60bb4652aeb2120f149ed197c564e024717c64 | ||
| 137 | 5972dcb82ab2dde83376d82b2e3c09ffc | ||
| 138 | |||
| 139 | |||
| 140 | The initial consumer of trusted keys is EVM, which at boot time needs a high | ||
| 141 | quality symmetric key for HMAC protection of file metadata. The use of a | ||
| 142 | trusted key provides strong guarantees that the EVM key has not been | ||
| 143 | compromised by a user level problem, and when sealed to specific boot PCR | ||
| 144 | values, protects against boot and offline attacks. Other uses for trusted and | ||
| 145 | encrypted keys, such as for disk and file encryption are anticipated. | ||
| @@ -391,8 +391,8 @@ bugme-new 메일링 리스트나(새로운 버그 리포트들만이 이곳에 · 390 unmodified lines | |||
| 391 | bugme-janitor 메일링 리스트(bugzilla에 모든 변화들이 여기서 메일로 전해진다) | 391 | bugme-janitor 메일링 리스트(bugzilla에 모든 변화들이 여기서 메일로 전해진다) |
| 392 | 에 등록하면 된다. | 392 | 에 등록하면 된다. |
| 393 | 393 | ||
| 394 | http://lists.osdl.org/mailman/listinfo/bugme-new | 394 | https://lists.linux-foundation.org/mailman/listinfo/bugme-new |
| 395 | http://lists.osdl.org/mailman/listinfo/bugme-janitors | 395 | https://lists.linux-foundation.org/mailman/listinfo/bugme-janitors |
| 396 | 396 | ||
| 397 | 397 | ||
| 398 | 398 | ||
| @@ -598,7 +598,7 @@ a 5-byte jump instruction. So there are several limitations. · 597 unmodified lines | |||
| 598 | a) The instructions in DCR must be relocatable. | 598 | a) The instructions in DCR must be relocatable. |
| 599 | b) The instructions in DCR must not include a call instruction. | 599 | b) The instructions in DCR must not include a call instruction. |
| 600 | c) JTPR must not be targeted by any jump or call instruction. | 600 | c) JTPR must not be targeted by any jump or call instruction. |
| 601 | d) DCR must not straddle the border betweeen functions. | 601 | d) DCR must not straddle the border between functions. |
| 602 | 602 | ||
| 603 | Anyway, these limitations are checked by the in-kernel instruction | 603 | Anyway, these limitations are checked by the in-kernel instruction |
| 604 | decoder, so you don't need to worry about that. | 604 | decoder, so you don't need to worry about that. |
| @@ -874,7 +874,7 @@ Possible values are: · 873 unmodified lines | |||
| 874 | - KVM_MP_STATE_HALTED: the vcpu has executed a HLT instruction and | 874 | - KVM_MP_STATE_HALTED: the vcpu has executed a HLT instruction and |
| 875 | is waiting for an interrupt | 875 | is waiting for an interrupt |
| 876 | - KVM_MP_STATE_SIPI_RECEIVED: the vcpu has just received a SIPI (vector | 876 | - KVM_MP_STATE_SIPI_RECEIVED: the vcpu has just received a SIPI (vector |
| 877 | accesible via KVM_GET_VCPU_EVENTS) | 877 | accessible via KVM_GET_VCPU_EVENTS) |
| 878 | 878 | ||
| 879 | This ioctl is only useful after KVM_CREATE_IRQCHIP. Without an in-kernel | 879 | This ioctl is only useful after KVM_CREATE_IRQCHIP. Without an in-kernel |
| 880 | irqchip, the multiprocessing state must be maintained by userspace. | 880 | irqchip, the multiprocessing state must be maintained by userspace. |
| @@ -1085,6 +1085,184 @@ of 4 instructions that make up a hypercall. · 204 unmodified lines | |||
| 1085 | If any additional field gets added to this structure later on, a bit for that | 1085 | If any additional field gets added to this structure later on, a bit for that |
| 1086 | additional piece of information will be set in the flags bitmap. | 1086 | additional piece of information will be set in the flags bitmap. |
| 1087 | 1087 | ||
| 1088 | 4.47 KVM_ASSIGN_PCI_DEVICE | ||
| 1089 | |||
| 1090 | Capability: KVM_CAP_DEVICE_ASSIGNMENT | ||
| 1091 | Architectures: x86 ia64 | ||
| 1092 | Type: vm ioctl | ||
| 1093 | Parameters: struct kvm_assigned_pci_dev (in) | ||
| 1094 | Returns: 0 on success, -1 on error | ||
| 1095 | |||
| 1096 | Assigns a host PCI device to the VM. | ||
| 1097 | |||
| 1098 | struct kvm_assigned_pci_dev { | ||
| 1099 | __u32 assigned_dev_id; | ||
| 1100 | __u32 busnr; | ||
| 1101 | __u32 devfn; | ||
| 1102 | __u32 flags; | ||
| 1103 | __u32 segnr; | ||
| 1104 | union { | ||
| 1105 | __u32 reserved[11]; | ||
| 1106 | }; | ||
| 1107 | }; | ||
| 1108 | |||
| 1109 | The PCI device is specified by the triple segnr, busnr, and devfn. | ||
| 1110 | Identification in succeeding service requests is done via assigned_dev_id. The | ||
| 1111 | following flags are specified: | ||
| 1112 | |||
| 1113 | /* Depends on KVM_CAP_IOMMU */ | ||
| 1114 | #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) | ||
| 1115 | |||
| 1116 | 4.48 KVM_DEASSIGN_PCI_DEVICE | ||
| 1117 | |||
| 1118 | Capability: KVM_CAP_DEVICE_DEASSIGNMENT | ||
| 1119 | Architectures: x86 ia64 | ||
| 1120 | Type: vm ioctl | ||
| 1121 | Parameters: struct kvm_assigned_pci_dev (in) | ||
| 1122 | Returns: 0 on success, -1 on error | ||
| 1123 | |||
| 1124 | Ends PCI device assignment, releasing all associated resources. | ||
| 1125 | |||
| 1126 | See KVM_CAP_DEVICE_ASSIGNMENT for the data structure. Only assigned_dev_id is | ||
| 1127 | used in kvm_assigned_pci_dev to identify the device. | ||
| 1128 | |||
| 1129 | 4.49 KVM_ASSIGN_DEV_IRQ | ||
| 1130 | |||
| 1131 | Capability: KVM_CAP_ASSIGN_DEV_IRQ | ||
| 1132 | Architectures: x86 ia64 | ||
| 1133 | Type: vm ioctl | ||
| 1134 | Parameters: struct kvm_assigned_irq (in) | ||
| 1135 | Returns: 0 on success, -1 on error | ||
| 1136 | |||
| 1137 | Assigns an IRQ to a passed-through device. | ||
| 1138 | |||
| 1139 | struct kvm_assigned_irq { | ||
| 1140 | __u32 assigned_dev_id; | ||
| 1141 | __u32 host_irq; | ||
| 1142 | __u32 guest_irq; | ||
| 1143 | __u32 flags; | ||
| 1144 | union { | ||
| 1145 | struct { | ||
| 1146 | __u32 addr_lo; | ||
| 1147 | __u32 addr_hi; | ||
| 1148 | __u32 data; | ||
| 1149 | } guest_msi; | ||
| 1150 | __u32 reserved[12]; | ||
| 1151 | }; | ||
| 1152 | }; | ||
| 1153 | |||
| 1154 | The following flags are defined: | ||
| 1155 | |||
| 1156 | #define KVM_DEV_IRQ_HOST_INTX (1 << 0) | ||
| 1157 | #define KVM_DEV_IRQ_HOST_MSI (1 << 1) | ||
| 1158 | #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) | ||
| 1159 | |||
| 1160 | #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) | ||
| 1161 | #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) | ||
| 1162 | #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) | ||
| 1163 | |||
| 1164 | It is not valid to specify multiple types per host or guest IRQ. However, the | ||
| 1165 | IRQ type of host and guest can differ or can even be null. | ||
| 1166 | |||
| 1167 | 4.50 KVM_DEASSIGN_DEV_IRQ | ||
| 1168 | |||
| 1169 | Capability: KVM_CAP_ASSIGN_DEV_IRQ | ||
| 1170 | Architectures: x86 ia64 | ||
| 1171 | Type: vm ioctl | ||
| 1172 | Parameters: struct kvm_assigned_irq (in) | ||
| 1173 | Returns: 0 on success, -1 on error | ||
| 1174 | |||
| 1175 | Ends an IRQ assignment to a passed-through device. | ||
| 1176 | |||
| 1177 | See KVM_ASSIGN_DEV_IRQ for the data structure. The target device is specified | ||
| 1178 | by assigned_dev_id, flags must correspond to the IRQ type specified on | ||
| 1179 | KVM_ASSIGN_DEV_IRQ. Partial deassignment of host or guest IRQ is allowed. | ||
| 1180 | |||
| 1181 | 4.51 KVM_SET_GSI_ROUTING | ||
| 1182 | |||
| 1183 | Capability: KVM_CAP_IRQ_ROUTING | ||
| 1184 | Architectures: x86 ia64 | ||
| 1185 | Type: vm ioctl | ||
| 1186 | Parameters: struct kvm_irq_routing (in) | ||
| 1187 | Returns: 0 on success, -1 on error | ||
| 1188 | |||
| 1189 | Sets the GSI routing table entries, overwriting any previously set entries. | ||
| 1190 | |||
| 1191 | struct kvm_irq_routing { | ||
| 1192 | __u32 nr; | ||
| 1193 | __u32 flags; | ||
| 1194 | struct kvm_irq_routing_entry entries[0]; | ||
| 1195 | }; | ||
| 1196 | |||
| 1197 | No flags are specified so far, the corresponding field must be set to zero. | ||
| 1198 | |||
| 1199 | struct kvm_irq_routing_entry { | ||
| 1200 | __u32 gsi; | ||
| 1201 | __u32 type; | ||
| 1202 | __u32 flags; | ||
| 1203 | __u32 pad; | ||
| 1204 | union { | ||
| 1205 | struct kvm_irq_routing_irqchip irqchip; | ||
| 1206 | struct kvm_irq_routing_msi msi; | ||
| 1207 | __u32 pad[8]; | ||
| 1208 | } u; | ||
| 1209 | }; | ||
| 1210 | |||
| 1211 | /* gsi routing entry types */ | ||
| 1212 | #define KVM_IRQ_ROUTING_IRQCHIP 1 | ||
| 1213 | #define KVM_IRQ_ROUTING_MSI 2 | ||
| 1214 | |||
| 1215 | No flags are specified so far, the corresponding field must be set to zero. | ||
| 1216 | |||
| 1217 | struct kvm_irq_routing_irqchip { | ||
| 1218 | __u32 irqchip; | ||
| 1219 | __u32 pin; | ||
| 1220 | }; | ||
| 1221 | |||
| 1222 | struct kvm_irq_routing_msi { | ||
| 1223 | __u32 address_lo; | ||
| 1224 | __u32 address_hi; | ||
| 1225 | __u32 data; | ||
| 1226 | __u32 pad; | ||
| 1227 | }; | ||
| 1228 | |||
| 1229 | 4.52 KVM_ASSIGN_SET_MSIX_NR | ||
| 1230 | |||
| 1231 | Capability: KVM_CAP_DEVICE_MSIX | ||
| 1232 | Architectures: x86 ia64 | ||
| 1233 | Type: vm ioctl | ||
| 1234 | Parameters: struct kvm_assigned_msix_nr (in) | ||
| 1235 | Returns: 0 on success, -1 on error | ||
| 1236 | |||
| 1237 | Set the number of MSI-X interrupts for an assigned device. This service can | ||
| 1238 | only be called once in the lifetime of an assigned device. | ||
| 1239 | |||
| 1240 | struct kvm_assigned_msix_nr { | ||
| 1241 | __u32 assigned_dev_id; | ||
| 1242 | __u16 entry_nr; | ||
| 1243 | __u16 padding; | ||
| 1244 | }; | ||
| 1245 | |||
| 1246 | #define KVM_MAX_MSIX_PER_DEV 256 | ||
| 1247 | |||
| 1248 | 4.53 KVM_ASSIGN_SET_MSIX_ENTRY | ||
| 1249 | |||
| 1250 | Capability: KVM_CAP_DEVICE_MSIX | ||
| 1251 | Architectures: x86 ia64 | ||
| 1252 | Type: vm ioctl | ||
| 1253 | Parameters: struct kvm_assigned_msix_entry (in) | ||
| 1254 | Returns: 0 on success, -1 on error | ||
| 1255 | |||
| 1256 | Specifies the routing of an MSI-X assigned device interrupt to a GSI. Setting | ||
| 1257 | the GSI vector to zero means disabling the interrupt. | ||
| 1258 | |||
| 1259 | struct kvm_assigned_msix_entry { | ||
| 1260 | __u32 assigned_dev_id; | ||
| 1261 | __u32 gsi; | ||
| 1262 | __u16 entry; /* The index of entry in the MSI-X table */ | ||
| 1263 | __u16 padding[3]; | ||
| 1264 | }; | ||
| 1265 | |||
| 1088 | 5. The kvm_run structure | 1266 | 5. The kvm_run structure |
| 1089 | 1267 | ||
| 1090 | Application code obtains a pointer to the kvm_run structure by | 1268 | Application code obtains a pointer to the kvm_run structure by |
| @@ -36,6 +36,9 @@ KVM_FEATURE_MMU_OP || 2 || deprecated. · 35 unmodified lines | |||
| 36 | KVM_FEATURE_CLOCKSOURCE2 || 3 || kvmclock available at msrs | 36 | KVM_FEATURE_CLOCKSOURCE2 || 3 || kvmclock available at msrs |
| 37 | || || 0x4b564d00 and 0x4b564d01 | 37 | || || 0x4b564d00 and 0x4b564d01 |
| 38 | ------------------------------------------------------------------------------ | 38 | ------------------------------------------------------------------------------ |
| 39 | KVM_FEATURE_ASYNC_PF || 4 || async pf can be enabled by | ||
| 40 | || || writing to msr 0x4b564d02 | ||
| 41 | ------------------------------------------------------------------------------ | ||
| 39 | KVM_FEATURE_CLOCKSOURCE_STABLE_BIT || 24 || host will warn if no guest-side | 42 | KVM_FEATURE_CLOCKSOURCE_STABLE_BIT || 24 || host will warn if no guest-side |
| 40 | || || per-cpu warps are expected in | 43 | || || per-cpu warps are expected in |
| 41 | || || kvmclock. | 44 | || || kvmclock. |
| @@ -3,7 +3,6 @@ Glauber Costa <glommer@redhat.com>, Red Hat Inc, 2010 · 2 unmodified lines | |||
| 3 | ===================================================== | 3 | ===================================================== |
| 4 | 4 | ||
| 5 | KVM makes use of some custom MSRs to service some requests. | 5 | KVM makes use of some custom MSRs to service some requests. |
| 6 | At present, this facility is only used by kvmclock. | ||
| 7 | 6 | ||
| 8 | Custom MSRs have a range reserved for them, that goes from | 7 | Custom MSRs have a range reserved for them, that goes from |
| 9 | 0x4b564d00 to 0x4b564dff. There are MSRs outside this area, | 8 | 0x4b564d00 to 0x4b564dff. There are MSRs outside this area, |
| @@ -151,3 +150,38 @@ MSR_KVM_SYSTEM_TIME: 0x12 · 141 unmodified lines | |||
| 151 | return PRESENT; | 150 | return PRESENT; |
| 152 | } else | 151 | } else |
| 153 | return NON_PRESENT; | 152 | return NON_PRESENT; |
| 153 | |||
| 154 | MSR_KVM_ASYNC_PF_EN: 0x4b564d02 | ||
| 155 | data: Bits 63-6 hold 64-byte aligned physical address of a | ||
| 156 | 64 byte memory area which must be in guest RAM and must be | ||
| 157 | zeroed. Bits 5-2 are reserved and should be zero. Bit 0 is 1 | ||
| 158 | when asynchronous page faults are enabled on the vcpu 0 when | ||
| 159 | disabled. Bit 2 is 1 if asynchronous page faults can be injected | ||
| 160 | when vcpu is in cpl == 0. | ||
| 161 | |||
| 162 | First 4 byte of 64 byte memory location will be written to by | ||
| 163 | the hypervisor at the time of asynchronous page fault (APF) | ||
| 164 | injection to indicate type of asynchronous page fault. Value | ||
| 165 | of 1 means that the page referred to by the page fault is not | ||
| 166 | present. Value 2 means that the page is now available. Disabling | ||
| 167 | interrupt inhibits APFs. Guest must not enable interrupt | ||
| 168 | before the reason is read, or it may be overwritten by another | ||
| 169 | APF. Since APF uses the same exception vector as regular page | ||
| 170 | fault guest must reset the reason to 0 before it does | ||
| 171 | something that can generate normal page fault. If during page | ||
| 172 | fault APF reason is 0 it means that this is regular page | ||
| 173 | fault. | ||
| 174 | |||
| 175 | During delivery of type 1 APF cr2 contains a token that will | ||
| 176 | be used to notify a guest when missing page becomes | ||
| 177 | available. When page becomes available type 2 APF is sent with | ||
| 178 | cr2 set to the token associated with the page. There is special | ||
| 179 | kind of token 0xffffffff which tells vcpu that it should wake | ||
| 180 | up all processes waiting for APFs and no individual type 2 APFs | ||
| 181 | will be sent. | ||
| 182 | |||
| 183 | If APF is disabled while there are outstanding APFs, they will | ||
| 184 | not be delivered. | ||
| 185 | |||
| 186 | Currently type 2 APF will be always delivered on the same vcpu as | ||
| 187 | type 1 was, but guest should not rely on that. | ||
| @@ -39,6 +39,9 @@ · 38 unmodified lines | |||
| 39 | #include <limits.h> | 39 | #include <limits.h> |
| 40 | #include <stddef.h> | 40 | #include <stddef.h> |
| 41 | #include <signal.h> | 41 | #include <signal.h> |
| 42 | #include <pwd.h> | ||
| 43 | #include <grp.h> | ||
| 44 | |||
| 42 | #include <linux/virtio_config.h> | 45 | #include <linux/virtio_config.h> |
| 43 | #include <linux/virtio_net.h> | 46 | #include <linux/virtio_net.h> |
| 44 | #include <linux/virtio_blk.h> | 47 | #include <linux/virtio_blk.h> |
| @@ -298,20 +301,27 @@ static void *map_zeroed_pages(unsigned int num) · 253 unmodified lines | |||
| 298 | 301 | ||
| 299 | /* | 302 | /* |
| 300 | * We use a private mapping (ie. if we write to the page, it will be | 303 | * We use a private mapping (ie. if we write to the page, it will be |
| 301 | * copied). | 304 | * copied). We allocate an extra two pages PROT_NONE to act as guard |
| 305 | * pages against read/write attempts that exceed allocated space. | ||
| 302 | */ | 306 | */ |
| 303 | addr = mmap(NULL, getpagesize() * num, | 307 | addr = mmap(NULL, getpagesize() * (num+2), |
| 304 | PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, fd, 0); | 308 | PROT_NONE, MAP_PRIVATE, fd, 0); |
| 309 | |||
| 305 | if (addr == MAP_FAILED) | 310 | if (addr == MAP_FAILED) |
| 306 | err(1, "Mmapping %u pages of /dev/zero", num); | 311 | err(1, "Mmapping %u pages of /dev/zero", num); |
| 307 | 312 | ||
| 313 | if (mprotect(addr + getpagesize(), getpagesize() * num, | ||
| 314 | PROT_READ|PROT_WRITE) == -1) | ||
| 315 | err(1, "mprotect rw %u pages failed", num); | ||
| 316 | |||
| 308 | /* | 317 | /* |
| 309 | * One neat mmap feature is that you can close the fd, and it | 318 | * One neat mmap feature is that you can close the fd, and it |
| 310 | * stays mapped. | 319 | * stays mapped. |
| 311 | */ | 320 | */ |
| 312 | close(fd); | 321 | close(fd); |
| 313 | 322 | ||
| 314 | return addr; | 323 | /* Return address after PROT_NONE page */ |
| 324 | return addr + getpagesize(); | ||
| 315 | } | 325 | } |
| 316 | 326 | ||
| 317 | /* Get some more pages for a device. */ | 327 | /* Get some more pages for a device. */ |
| @@ -343,7 +353,7 @@ static void map_at(int fd, void *addr, unsigned long offset, unsigned long len) · 25 unmodified lines | |||
| 343 | * done to it. This allows us to share untouched memory between | 353 | * done to it. This allows us to share untouched memory between |
| 344 | * Guests. | 354 | * Guests. |
| 345 | */ | 355 | */ |
| 346 | if (mmap(addr, len, PROT_READ|PROT_WRITE|PROT_EXEC, | 356 | if (mmap(addr, len, PROT_READ|PROT_WRITE, |
| 347 | MAP_FIXED|MAP_PRIVATE, fd, offset) != MAP_FAILED) | 357 | MAP_FIXED|MAP_PRIVATE, fd, offset) != MAP_FAILED) |
| 348 | return; | 358 | return; |
| 349 | 359 | ||
| @@ -573,10 +583,10 @@ static void *_check_pointer(unsigned long addr, unsigned int size, · 223 unmodified lines | |||
| 573 | unsigned int line) | 583 | unsigned int line) |
| 574 | { | 584 | { |
| 575 | /* | 585 | /* |
| 576 | * We have to separately check addr and addr+size, because size could | 586 | * Check if the requested address and size exceeds the allocated memory, |
| 577 | * be huge and addr + size might wrap around. | 587 | * or addr + size wraps around. |
| 578 | */ | 588 | */ |
| 579 | if (addr >= guest_limit || addr + size >= guest_limit) | 589 | if ((addr + size) > guest_limit || (addr + size) < addr) |
| 580 | errx(1, "%s:%i: Invalid address %#lx", __FILE__, line, addr); | 590 | errx(1, "%s:%i: Invalid address %#lx", __FILE__, line, addr); |
| 581 | /* | 591 | /* |
| 582 | * We return a pointer for the caller's convenience, now we know it's | 592 | * We return a pointer for the caller's convenience, now we know it's |
| @@ -1872,6 +1882,8 @@ static struct option opts[] = { · 1289 unmodified lines | |||
| 1872 | { "block", 1, NULL, 'b' }, | 1882 | { "block", 1, NULL, 'b' }, |
| 1873 | { "rng", 0, NULL, 'r' }, | 1883 | { "rng", 0, NULL, 'r' }, |
| 1874 | { "initrd", 1, NULL, 'i' }, | 1884 | { "initrd", 1, NULL, 'i' }, |
| 1885 | { "username", 1, NULL, 'u' }, | ||
| 1886 | { "chroot", 1, NULL, 'c' }, | ||
| 1875 | { NULL }, | 1887 | { NULL }, |
| 1876 | }; | 1888 | }; |
| 1877 | static void usage(void) | 1889 | static void usage(void) |
| @@ -1894,6 +1906,12 @@ int main(int argc, char *argv[]) · 16 unmodified lines | |||
| 1894 | /* If they specify an initrd file to load. */ | 1906 | /* If they specify an initrd file to load. */ |
| 1895 | const char *initrd_name = NULL; | 1907 | const char *initrd_name = NULL; |
| 1896 | 1908 | ||
| 1909 | /* Password structure for initgroups/setres[gu]id */ | ||
| 1910 | struct passwd *user_details = NULL; | ||
| 1911 | |||
| 1912 | /* Directory to chroot to */ | ||
| 1913 | char *chroot_path = NULL; | ||
| 1914 | |||
| 1897 | /* Save the args: we "reboot" by execing ourselves again. */ | 1915 | /* Save the args: we "reboot" by execing ourselves again. */ |
| 1898 | main_args = argv; | 1916 | main_args = argv; |
| 1899 | 1917 | ||
| @@ -1950,6 +1968,14 @@ int main(int argc, char *argv[]) · 50 unmodified lines | |||
| 1950 | case 'i': | 1968 | case 'i': |
| 1951 | initrd_name = optarg; | 1969 | initrd_name = optarg; |
| 1952 | break; | 1970 | break; |
| 1971 | case 'u': | ||
| 1972 | user_details = getpwnam(optarg); | ||
| 1973 | if (!user_details) | ||
| 1974 | err(1, "getpwnam failed, incorrect username?"); | ||
| 1975 | break; | ||
| 1976 | case 'c': | ||
| 1977 | chroot_path = optarg; | ||
| 1978 | break; | ||
| 1953 | default: | 1979 | default: |
| 1954 | warnx("Unknown argument %s", argv[optind]); | 1980 | warnx("Unknown argument %s", argv[optind]); |
| 1955 | usage(); | 1981 | usage(); |
| @@ -2021,6 +2047,37 @@ int main(int argc, char *argv[]) · 65 unmodified lines | |||
| 2021 | /* If we exit via err(), this kills all the threads, restores tty. */ | 2047 | /* If we exit via err(), this kills all the threads, restores tty. */ |
| 2022 | atexit(cleanup_devices); | 2048 | atexit(cleanup_devices); |
| 2023 | 2049 | ||
| 2050 | /* If requested, chroot to a directory */ | ||
| 2051 | if (chroot_path) { | ||
| 2052 | if (chroot(chroot_path) != 0) | ||
| 2053 | err(1, "chroot(\"%s\") failed", chroot_path); | ||
| 2054 | |||
| 2055 | if (chdir("/") != 0) | ||
| 2056 | err(1, "chdir(\"/\") failed"); | ||
| 2057 | |||
| 2058 | verbose("chroot done\n"); | ||
| 2059 | } | ||
| 2060 | |||
| 2061 | /* If requested, drop privileges */ | ||
| 2062 | if (user_details) { | ||
| 2063 | uid_t u; | ||
| 2064 | gid_t g; | ||
| 2065 | |||
| 2066 | u = user_details->pw_uid; | ||
| 2067 | g = user_details->pw_gid; | ||
| 2068 | |||
| 2069 | if (initgroups(user_details->pw_name, g) != 0) | ||
| 2070 | err(1, "initgroups failed"); | ||
| 2071 | |||
| 2072 | if (setresgid(g, g, g) != 0) | ||
| 2073 | err(1, "setresgid failed"); | ||
| 2074 | |||
| 2075 | if (setresuid(u, u, u) != 0) | ||
| 2076 | err(1, "setresuid failed"); | ||
| 2077 | |||
| 2078 | verbose("Dropping privileges completed\n"); | ||
| 2079 | } | ||
| 2080 | |||
| 2024 | /* Finally, run the Guest. This doesn't return. */ | 2081 | /* Finally, run the Guest. This doesn't return. */ |
| 2025 | run_guest(); | 2082 | run_guest(); |
| 2026 | } | 2083 | } |
| @@ -111,8 +111,16 @@ Running Lguest: · 110 unmodified lines | |||
| 111 | 111 | ||
| 112 | Then use --tunnet=bridge:lg0 when launching the guest. | 112 | Then use --tunnet=bridge:lg0 when launching the guest. |
| 113 | 113 | ||
| 114 | See http://linux-net.osdl.org/index.php/Bridge for general information | 114 | See: |
| 115 | on how to get bridging working. | 115 | |
| 116 | http://www.linuxfoundation.org/collaborate/workgroups/networking/bridge | ||
| 117 | |||
| 118 | for general information on how to get bridging to work. | ||
| 119 | |||
| 120 | - Random number generation. Using the --rng option will provide a | ||
| 121 | /dev/hwrng in the guest that will read from the host's /dev/random. | ||
| 122 | Use this option in conjunction with rng-tools (see ../hw_random.txt) | ||
| 123 | to provide entropy to the guest kernel's /dev/random. | ||
| 116 | 124 | ||
| 117 | There is a helpful mailing list at http://ozlabs.org/mailman/listinfo/lguest | 125 | There is a helpful mailing list at http://ozlabs.org/mailman/listinfo/lguest |
| 118 | 126 | ||
| @@ -150,7 +150,7 @@ NBD_REPLY_MAGIC 0x96744668 nbd_reply include/linux/nbd.h · 149 unmodified lines | |||
| 150 | STL_BOARDMAGIC 0xa2267f52 stlbrd include/linux/stallion.h | 150 | STL_BOARDMAGIC 0xa2267f52 stlbrd include/linux/stallion.h |
| 151 | ENI155_MAGIC 0xa54b872d midway_eprom drivers/atm/eni.h | 151 | ENI155_MAGIC 0xa54b872d midway_eprom drivers/atm/eni.h |
| 152 | SCI_MAGIC 0xbabeface gs_port drivers/char/sh-sci.h | 152 | SCI_MAGIC 0xbabeface gs_port drivers/char/sh-sci.h |
| 153 | CODA_MAGIC 0xC0DAC0DA coda_file_info include/linux/coda_fs_i.h | 153 | CODA_MAGIC 0xC0DAC0DA coda_file_info fs/coda/coda_fs_i.h |
| 154 | DPMEM_MAGIC 0xc0ffee11 gdt_pci_sram drivers/scsi/gdth.h | 154 | DPMEM_MAGIC 0xc0ffee11 gdt_pci_sram drivers/scsi/gdth.h |
| 155 | STLI_PORTMAGIC 0xe671c7a1 stliport include/linux/istallion.h | 155 | STLI_PORTMAGIC 0xe671c7a1 stliport include/linux/istallion.h |
| 156 | YAM_MAGIC 0xF10A7654 yam_port drivers/net/hamradio/yam.c | 156 | YAM_MAGIC 0xF10A7654 yam_port drivers/net/hamradio/yam.c |
| @@ -39,8 +39,9 @@ INSTALL_HDR_PATH indicates where to install the headers. It defaults to · 38 unmodified lines | |||
| 39 | The command "make headers_install_all" exports headers for all architectures | 39 | The command "make headers_install_all" exports headers for all architectures |
| 40 | simultaneously. (This is mostly of interest to distribution maintainers, | 40 | simultaneously. (This is mostly of interest to distribution maintainers, |
| 41 | who create an architecture-independent tarball from the resulting include | 41 | who create an architecture-independent tarball from the resulting include |
| 42 | directory.) Remember to provide the appropriate linux/asm directory via "mv" | 42 | directory.) You also can use HDR_ARCH_LIST to specify list of architectures. |
| 43 | or "ln -s" before building a C library with headers exported this way. | 43 | Remember to provide the appropriate linux/asm directory via "mv" or "ln -s" |
| 44 | before building a C library with headers exported this way. | ||
| 44 | 45 | ||
| 45 | The kernel header export infrastructure is maintained by David Woodhouse | 46 | The kernel header export infrastructure is maintained by David Woodhouse |
| 46 | <dwmw2@infradead.org>. | 47 | <dwmw2@infradead.org>. |
| @@ -0,0 +1,327 @@ | |||
| 1 | Copyright (c) 2009-2010 QLogic Corporation | ||
| 2 | QLogic Linux qlcnic NIC Driver | ||
| 3 | |||
| 4 | This program includes a device driver for Linux 2.6 that may be | ||
| 5 | distributed with QLogic hardware specific firmware binary file. | ||
| 6 | You may modify and redistribute the device driver code under the | ||
| 7 | GNU General Public License (a copy of which is attached hereto as | ||
| 8 | Exhibit A) published by the Free Software Foundation (version 2). | ||
| 9 | |||
| 10 | You may redistribute the hardware specific firmware binary file | ||
| 11 | under the following terms: | ||
| 12 | |||
| 13 | 1. Redistribution of source code (only if applicable), | ||
| 14 | must retain the above copyright notice, this list of | ||
| 15 | conditions and the following disclaimer. | ||
| 16 | |||
| 17 | 2. Redistribution in binary form must reproduce the above | ||
| 18 | copyright notice, this list of conditions and the | ||
| 19 | following disclaimer in the documentation and/or other | ||
| 20 | materials provided with the distribution. | ||
| 21 | |||
| 22 | 3. The name of QLogic Corporation may not be used to | ||
| 23 | endorse or promote products derived from this software | ||
| 24 | without specific prior written permission | ||
| 25 | |||
| 26 | REGARDLESS OF WHAT LICENSING MECHANISM IS USED OR APPLICABLE, | ||
| 27 | THIS PROGRAM IS PROVIDED BY QLOGIC CORPORATION "AS IS'' AND ANY | ||
| 28 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 29 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
| 30 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR | ||
| 31 | BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| 32 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED | ||
| 33 | TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| 34 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| 35 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| 36 | OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 37 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 38 | POSSIBILITY OF SUCH DAMAGE. | ||
| 39 | |||
| 40 | USER ACKNOWLEDGES AND AGREES THAT USE OF THIS PROGRAM WILL NOT | ||
| 41 | CREATE OR GIVE GROUNDS FOR A LICENSE BY IMPLICATION, ESTOPPEL, OR | ||
| 42 | OTHERWISE IN ANY INTELLECTUAL PROPERTY RIGHTS (PATENT, COPYRIGHT, | ||
| 43 | TRADE SECRET, MASK WORK, OR OTHER PROPRIETARY RIGHT) EMBODIED IN | ||
| 44 | ANY OTHER QLOGIC HARDWARE OR SOFTWARE EITHER SOLELY OR IN | ||
| 45 | COMBINATION WITH THIS PROGRAM. | ||
| 46 | |||
| 47 | |||
| 48 | EXHIBIT A | ||
| 49 | |||
| 50 | GNU GENERAL PUBLIC LICENSE | ||
| 51 | Version 2, June 1991 | ||
| 52 | |||
| 53 | Copyright (C) 1989, 1991 Free Software Foundation, Inc. | ||
| 54 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 55 | Everyone is permitted to copy and distribute verbatim copies | ||
| 56 | of this license document, but changing it is not allowed. | ||
| 57 | |||
| 58 | Preamble | ||
| 59 | |||
| 60 | The licenses for most software are designed to take away your | ||
| 61 | freedom to share and change it. By contrast, the GNU General Public | ||
| 62 | License is intended to guarantee your freedom to share and change free | ||
| 63 | software--to make sure the software is free for all its users. This | ||
| 64 | General Public License applies to most of the Free Software | ||
| 65 | Foundation's software and to any other program whose authors commit to | ||
| 66 | using it. (Some other Free Software Foundation software is covered by | ||
| 67 | the GNU Lesser General Public License instead.) You can apply it to | ||
| 68 | your programs, too. | ||
| 69 | |||
| 70 | When we speak of free software, we are referring to freedom, not | ||
| 71 | price. Our General Public Licenses are designed to make sure that you | ||
| 72 | have the freedom to distribute copies of free software (and charge for | ||
| 73 | this service if you wish), that you receive source code or can get it | ||
| 74 | if you want it, that you can change the software or use pieces of it | ||
| 75 | in new free programs; and that you know you can do these things. | ||
| 76 | |||
| 77 | To protect your rights, we need to make restrictions that forbid | ||
| 78 | anyone to deny you these rights or to ask you to surrender the rights. | ||
| 79 | These restrictions translate to certain responsibilities for you if you | ||
| 80 | distribute copies of the software, or if you modify it. | ||
| 81 | |||
| 82 | For example, if you distribute copies of such a program, whether | ||
| 83 | gratis or for a fee, you must give the recipients all the rights that | ||
| 84 | you have. You must make sure that they, too, receive or can get the | ||
| 85 | source code. And you must show them these terms so they know their | ||
| 86 | rights. | ||
| 87 | |||
| 88 | We protect your rights with two steps: (1) copyright the software, and | ||
| 89 | (2) offer you this license which gives you legal permission to copy, | ||
| 90 | distribute and/or modify the software. | ||
| 91 | |||
| 92 | Also, for each author's protection and ours, we want to make certain | ||
| 93 | that everyone understands that there is no warranty for this free | ||
| 94 | software. If the software is modified by someone else and passed on, we | ||
| 95 | want its recipients to know that what they have is not the original, so | ||
| 96 | that any problems introduced by others will not reflect on the original | ||
| 97 | authors' reputations. | ||
| 98 | |||
| 99 | Finally, any free program is threatened constantly by software | ||
| 100 | patents. We wish to avoid the danger that redistributors of a free | ||
| 101 | program will individually obtain patent licenses, in effect making the | ||
| 102 | program proprietary. To prevent this, we have made it clear that any | ||
| 103 | patent must be licensed for everyone's free use or not licensed at all. | ||
| 104 | |||
| 105 | The precise terms and conditions for copying, distribution and | ||
| 106 | modification follow. | ||
| 107 | |||
| 108 | GNU GENERAL PUBLIC LICENSE | ||
| 109 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | ||
| 110 | |||
| 111 | 0. This License applies to any program or other work which contains | ||
| 112 | a notice placed by the copyright holder saying it may be distributed | ||
| 113 | under the terms of this General Public License. The "Program", below, | ||
| 114 | refers to any such program or work, and a "work based on the Program" | ||
| 115 | means either the Program or any derivative work under copyright law: | ||
| 116 | that is to say, a work containing the Program or a portion of it, | ||
| 117 | either verbatim or with modifications and/or translated into another | ||
| 118 | language. (Hereinafter, translation is included without limitation in | ||
| 119 | the term "modification".) Each licensee is addressed as "you". | ||
| 120 | |||
| 121 | Activities other than copying, distribution and modification are not | ||
| 122 | covered by this License; they are outside its scope. The act of | ||
| 123 | running the Program is not restricted, and the output from the Program | ||
| 124 | is covered only if its contents constitute a work based on the | ||
| 125 | Program (independent of having been made by running the Program). | ||
| 126 | Whether that is true depends on what the Program does. | ||
| 127 | |||
| 128 | 1. You may copy and distribute verbatim copies of the Program's | ||
| 129 | source code as you receive it, in any medium, provided that you | ||
| 130 | conspicuously and appropriately publish on each copy an appropriate | ||
| 131 | copyright notice and disclaimer of warranty; keep intact all the | ||
| 132 | notices that refer to this License and to the absence of any warranty; | ||
| 133 | and give any other recipients of the Program a copy of this License | ||
| 134 | along with the Program. | ||
| 135 | |||
| 136 | You may charge a fee for the physical act of transferring a copy, and | ||
| 137 | you may at your option offer warranty protection in exchange for a fee. | ||
| 138 | |||
| 139 | 2. You may modify your copy or copies of the Program or any portion | ||
| 140 | of it, thus forming a work based on the Program, and copy and | ||
| 141 | distribute such modifications or work under the terms of Section 1 | ||
| 142 | above, provided that you also meet all of these conditions: | ||
| 143 | |||
| 144 | a) You must cause the modified files to carry prominent notices | ||
| 145 | stating that you changed the files and the date of any change. | ||
| 146 | |||
| 147 | b) You must cause any work that you distribute or publish, that in | ||
| 148 | whole or in part contains or is derived from the Program or any | ||
| 149 | part thereof, to be licensed as a whole at no charge to all third | ||
| 150 | parties under the terms of this License. | ||
| 151 | |||
| 152 | c) If the modified program normally reads commands interactively | ||
| 153 | when run, you must cause it, when started running for such | ||
| 154 | interactive use in the most ordinary way, to print or display an | ||
| 155 | announcement including an appropriate copyright notice and a | ||
| 156 | notice that there is no warranty (or else, saying that you provide | ||
| 157 | a warranty) and that users may redistribute the program under | ||
| 158 | these conditions, and telling the user how to view a copy of this | ||
| 159 | License. (Exception: if the Program itself is interactive but | ||
| 160 | does not normally print such an announcement, your work based on | ||
| 161 | the Program is not required to print an announcement.) | ||
| 162 | |||
| 163 | These requirements apply to the modified work as a whole. If | ||
| 164 | identifiable sections of that work are not derived from the Program, | ||
| 165 | and can be reasonably considered independent and separate works in | ||
| 166 | themselves, then this License, and its terms, do not apply to those | ||
| 167 | sections when you distribute them as separate works. But when you | ||
| 168 | distribute the same sections as part of a whole which is a work based | ||
| 169 | on the Program, the distribution of the whole must be on the terms of | ||
| 170 | this License, whose permissions for other licensees extend to the | ||
| 171 | entire whole, and thus to each and every part regardless of who wrote it. | ||
| 172 | |||
| 173 | Thus, it is not the intent of this section to claim rights or contest | ||
| 174 | your rights to work written entirely by you; rather, the intent is to | ||
| 175 | exercise the right to control the distribution of derivative or | ||
| 176 | collective works based on the Program. | ||
| 177 | |||
| 178 | In addition, mere aggregation of another work not based on the Program | ||
| 179 | with the Program (or with a work based on the Program) on a volume of | ||
| 180 | a storage or distribution medium does not bring the other work under | ||
| 181 | the scope of this License. | ||
| 182 | |||
| 183 | 3. You may copy and distribute the Program (or a work based on it, | ||
| 184 | under Section 2) in object code or executable form under the terms of | ||
| 185 | Sections 1 and 2 above provided that you also do one of the following: | ||
| 186 | |||
| 187 | a) Accompany it with the complete corresponding machine-readable | ||
| 188 | source code, which must be distributed under the terms of Sections | ||
| 189 | 1 and 2 above on a medium customarily used for software interchange; or, | ||
| 190 | |||
| 191 | b) Accompany it with a written offer, valid for at least three | ||
| 192 | years, to give any third party, for a charge no more than your | ||
| 193 | cost of physically performing source distribution, a complete | ||
| 194 | machine-readable copy of the corresponding source code, to be | ||
| 195 | distributed under the terms of Sections 1 and 2 above on a medium | ||
| 196 | customarily used for software interchange; or, | ||
| 197 | |||
| 198 | c) Accompany it with the information you received as to the offer | ||
| 199 | to distribute corresponding source code. (This alternative is | ||
| 200 | allowed only for noncommercial distribution and only if you | ||
| 201 | received the program in object code or executable form with such | ||
| 202 | an offer, in accord with Subsection b above.) | ||
| 203 | |||
| 204 | The source code for a work means the preferred form of the work for | ||
| 205 | making modifications to it. For an executable work, complete source | ||
| 206 | code means all the source code for all modules it contains, plus any | ||
| 207 | associated interface definition files, plus the scripts used to | ||
| 208 | control compilation and installation of the executable. However, as a | ||
| 209 | special exception, the source code distributed need not include | ||
| 210 | anything that is normally distributed (in either source or binary | ||
| 211 | form) with the major components (compiler, kernel, and so on) of the | ||
| 212 | operating system on which the executable runs, unless that component | ||
| 213 | itself accompanies the executable. | ||
| 214 | |||
| 215 | If distribution of executable or object code is made by offering | ||
| 216 | access to copy from a designated place, then offering equivalent | ||
| 217 | access to copy the source code from the same place counts as | ||
| 218 | distribution of the source code, even though third parties are not | ||
| 219 | compelled to copy the source along with the object code. | ||
| 220 | |||
| 221 | 4. You may not copy, modify, sublicense, or distribute the Program | ||
| 222 | except as expressly provided under this License. Any attempt | ||
| 223 | otherwise to copy, modify, sublicense or distribute the Program is | ||
| 224 | void, and will automatically terminate your rights under this License. | ||
| 225 | However, parties who have received copies, or rights, from you under | ||
| 226 | this License will not have their licenses terminated so long as such | ||
| 227 | parties remain in full compliance. | ||
| 228 | |||
| 229 | 5. You are not required to accept this License, since you have not | ||
| 230 | signed it. However, nothing else grants you permission to modify or | ||
| 231 | distribute the Program or its derivative works. These actions are | ||
| 232 | prohibited by law if you do not accept this License. Therefore, by | ||
| 233 | modifying or distributing the Program (or any work based on the | ||
| 234 | Program), you indicate your acceptance of this License to do so, and | ||
| 235 | all its terms and conditions for copying, distributing or modifying | ||
| 236 | the Program or works based on it. | ||
| 237 | |||
| 238 | 6. Each time you redistribute the Program (or any work based on the | ||
| 239 | Program), the recipient automatically receives a license from the | ||
| 240 | original licensor to copy, distribute or modify the Program subject to | ||
| 241 | these terms and conditions. You may not impose any further | ||
| 242 | restrictions on the recipients' exercise of the rights granted herein. | ||
| 243 | You are not responsible for enforcing compliance by third parties to | ||
| 244 | this License. | ||
| 245 | |||
| 246 | 7. If, as a consequence of a court judgment or allegation of patent | ||
| 247 | infringement or for any other reason (not limited to patent issues), | ||
| 248 | conditions are imposed on you (whether by court order, agreement or | ||
| 249 | otherwise) that contradict the conditions of this License, they do not | ||
| 250 | excuse you from the conditions of this License. If you cannot | ||
| 251 | distribute so as to satisfy simultaneously your obligations under this | ||
| 252 | License and any other pertinent obligations, then as a consequence you | ||
| 253 | may not distribute the Program at all. For example, if a patent | ||
| 254 | license would not permit royalty-free redistribution of the Program by | ||
| 255 | all those who receive copies directly or indirectly through you, then | ||
| 256 | the only way you could satisfy both it and this License would be to | ||
| 257 | refrain entirely from distribution of the Program. | ||
| 258 | |||
| 259 | If any portion of this section is held invalid or unenforceable under | ||
| 260 | any particular circumstance, the balance of the section is intended to | ||
| 261 | apply and the section as a whole is intended to apply in other | ||
| 262 | circumstances. | ||
| 263 | |||
| 264 | It is not the purpose of this section to induce you to infringe any | ||
| 265 | patents or other property right claims or to contest validity of any | ||
| 266 | such claims; this section has the sole purpose of protecting the | ||
| 267 | integrity of the free software distribution system, which is | ||
| 268 | implemented by public license practices. Many people have made | ||
| 269 | generous contributions to the wide range of software distributed | ||
| 270 | through that system in reliance on consistent application of that | ||
| 271 | system; it is up to the author/donor to decide if he or she is willing | ||
| 272 | to distribute software through any other system and a licensee cannot | ||
| 273 | impose that choice. | ||
| 274 | |||
| 275 | This section is intended to make thoroughly clear what is believed to | ||
| 276 | be a consequence of the rest of this License. | ||
| 277 | |||
| 278 | 8. If the distribution and/or use of the Program is restricted in | ||
| 279 | certain countries either by patents or by copyrighted interfaces, the | ||
| 280 | original copyright holder who places the Program under this License | ||
| 281 | may add an explicit geographical distribution limitation excluding | ||
| 282 | those countries, so that distribution is permitted only in or among | ||
| 283 | countries not thus excluded. In such case, this License incorporates | ||
| 284 | the limitation as if written in the body of this License. | ||
| 285 | |||
| 286 | 9. The Free Software Foundation may publish revised and/or new versions | ||
| 287 | of the General Public License from time to time. Such new versions will | ||
| 288 | be similar in spirit to the present version, but may differ in detail to | ||
| 289 | address new problems or concerns. | ||
| 290 | |||
| 291 | Each version is given a distinguishing version number. If the Program | ||
| 292 | specifies a version number of this License which applies to it and "any | ||
| 293 | later version", you have the option of following the terms and conditions | ||
| 294 | either of that version or of any later version published by the Free | ||
| 295 | Software Foundation. If the Program does not specify a version number of | ||
| 296 | this License, you may choose any version ever published by the Free Software | ||
| 297 | Foundation. | ||
| 298 | |||
| 299 | 10. If you wish to incorporate parts of the Program into other free | ||
| 300 | programs whose distribution conditions are different, write to the author | ||
| 301 | to ask for permission. For software which is copyrighted by the Free | ||
| 302 | Software Foundation, write to the Free Software Foundation; we sometimes | ||
| 303 | make exceptions for this. Our decision will be guided by the two goals | ||
| 304 | of preserving the free status of all derivatives of our free software and | ||
| 305 | of promoting the sharing and reuse of software generally. | ||
| 306 | |||
| 307 | NO WARRANTY | ||
| 308 | |||
| 309 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY | ||
| 310 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN | ||
| 311 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES | ||
| 312 | PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED | ||
| 313 | OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
| 314 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS | ||
| 315 | TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE | ||
| 316 | PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, | ||
| 317 | REPAIR OR CORRECTION. | ||
| 318 | |||
| 319 | 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | ||
| 320 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR | ||
| 321 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, | ||
| 322 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING | ||
| 323 | OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED | ||
| 324 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY | ||
| 325 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER | ||
| 326 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE | ||
| 327 | POSSIBILITY OF SUCH DAMAGES. | ||
| @@ -4,6 +4,8 @@ obj- := dummy.o · 3 unmodified lines | |||
| 4 | # List of programs to build | 4 | # List of programs to build |
| 5 | hostprogs-y := ifenslave | 5 | hostprogs-y := ifenslave |
| 6 | 6 | ||
| 7 | HOSTCFLAGS_ifenslave.o += -I$(objtree)/usr/include | ||
| 8 | |||
| 7 | # Tell kbuild to always build the programs | 9 | # Tell kbuild to always build the programs |
| 8 | always := $(hostprogs-y) | 10 | always := $(hostprogs-y) |
| 9 | 11 | ||
| @@ -1,4 +1,4 @@ | |||
| 1 | [state: 04-09-2010] | 1 | [state: 21-11-2010] |
| 2 | 2 | ||
| 3 | BATMAN-ADV | 3 | BATMAN-ADV |
| 4 | ---------- | 4 | ---------- |
| @@ -67,7 +67,8 @@ All mesh wide settings can be found in batman's own interface · 62 unmodified lines | |||
| 67 | folder: | 67 | folder: |
| 68 | 68 | ||
| 69 | # ls /sys/class/net/bat0/mesh/ | 69 | # ls /sys/class/net/bat0/mesh/ |
| 70 | # aggregated_ogms bonding orig_interval vis_mode | 70 | # aggregated_ogms bonding fragmentation orig_interval |
| 71 | # vis_mode | ||
| 71 | 72 | ||
| 72 | 73 | ||
| 73 | There is a special folder for debugging informations: | 74 | There is a special folder for debugging informations: |
| @@ -237,4 +238,3 @@ You can also contact the Authors: · 163 unmodified lines | |||
| 237 | 238 | ||
| 238 | Marek Lindner <lindner_marek@yahoo.de> | 239 | Marek Lindner <lindner_marek@yahoo.de> |
| 239 | Simon Wunderlich <siwu@hrz.tu-chemnitz.de> | 240 | Simon Wunderlich <siwu@hrz.tu-chemnitz.de> |
| 240 | |||
| @@ -49,7 +49,8 @@ Table of Contents · 48 unmodified lines | |||
| 49 | 3.3 Configuring Bonding Manually with Ifenslave | 49 | 3.3 Configuring Bonding Manually with Ifenslave |
| 50 | 3.3.1 Configuring Multiple Bonds Manually | 50 | 3.3.1 Configuring Multiple Bonds Manually |
| 51 | 3.4 Configuring Bonding Manually via Sysfs | 51 | 3.4 Configuring Bonding Manually via Sysfs |
| 52 | 3.5 Overriding Configuration for Special Cases | 52 | 3.5 Configuration with Interfaces Support |
| 53 | 3.6 Overriding Configuration for Special Cases | ||
| 53 | 54 | ||
| 54 | 4. Querying Bonding Configuration | 55 | 4. Querying Bonding Configuration |
| 55 | 4.1 Bonding Configuration | 56 | 4.1 Bonding Configuration |
| @@ -161,8 +162,8 @@ onwards) do not have /usr/include/linux symbolically linked to the · 105 unmodified lines | |||
| 161 | default kernel source include directory. | 162 | default kernel source include directory. |
| 162 | 163 | ||
| 163 | SECOND IMPORTANT NOTE: | 164 | SECOND IMPORTANT NOTE: |
| 164 | If you plan to configure bonding using sysfs, you do not need | 165 | If you plan to configure bonding using sysfs or using the |
| 165 | to use ifenslave. | 166 | /etc/network/interfaces file, you do not need to use ifenslave. |
| 166 | 167 | ||
| 167 | 2. Bonding Driver Options | 168 | 2. Bonding Driver Options |
| 168 | ========================= | 169 | ========================= |
| @@ -779,22 +780,26 @@ resend_igmp · 610 unmodified lines | |||
| 779 | 780 | ||
| 780 | You can configure bonding using either your distro's network | 781 | You can configure bonding using either your distro's network |
| 781 | initialization scripts, or manually using either ifenslave or the | 782 | initialization scripts, or manually using either ifenslave or the |
| 782 | sysfs interface. Distros generally use one of two packages for the | 783 | sysfs interface. Distros generally use one of three packages for the |
| 783 | network initialization scripts: initscripts or sysconfig. Recent | 784 | network initialization scripts: initscripts, sysconfig or interfaces. |
| 784 | versions of these packages have support for bonding, while older | 785 | Recent versions of these packages have support for bonding, while older |
| 785 | versions do not. | 786 | versions do not. |
| 786 | 787 | ||
| 787 | We will first describe the options for configuring bonding for | 788 | We will first describe the options for configuring bonding for |
| 788 | distros using versions of initscripts and sysconfig with full or | 789 | distros using versions of initscripts, sysconfig and interfaces with full |
| 789 | partial support for bonding, then provide information on enabling | 790 | or partial support for bonding, then provide information on enabling |
| 790 | bonding without support from the network initialization scripts (i.e., | 791 | bonding without support from the network initialization scripts (i.e., |
| 791 | older versions of initscripts or sysconfig). | 792 | older versions of initscripts or sysconfig). |
| 792 | 793 | ||
| 793 | If you're unsure whether your distro uses sysconfig or | 794 | If you're unsure whether your distro uses sysconfig, |
| 794 | initscripts, or don't know if it's new enough, have no fear. | 795 | initscripts or interfaces, or don't know if it's new enough, have no fear. |
| 795 | Determining this is fairly straightforward. | 796 | Determining this is fairly straightforward. |
| 796 | 797 | ||
| 797 | First, issue the command: | 798 | First, look for a file called interfaces in /etc/network directory. |
| 799 | If this file is present in your system, then your system use interfaces. See | ||
| 800 | Configuration with Interfaces Support. | ||
| 801 | |||
| 802 | Else, issue the command: | ||
| 798 | 803 | ||
| 799 | $ rpm -qf /sbin/ifup | 804 | $ rpm -qf /sbin/ifup |
| 800 | 805 | ||
| @@ -1327,8 +1332,62 @@ echo 2000 > /sys/class/net/bond1/bonding/arp_interval · 526 unmodified lines | |||
| 1327 | echo +eth2 > /sys/class/net/bond1/bonding/slaves | 1332 | echo +eth2 > /sys/class/net/bond1/bonding/slaves |
| 1328 | echo +eth3 > /sys/class/net/bond1/bonding/slaves | 1333 | echo +eth3 > /sys/class/net/bond1/bonding/slaves |
| 1329 | 1334 | ||
| 1330 | 3.5 Overriding Configuration for Special Cases | 1335 | 3.5 Configuration with Interfaces Support |
| 1336 | ----------------------------------------- | ||
| 1337 | |||
| 1338 | This section applies to distros which use /etc/network/interfaces file | ||
| 1339 | to describe network interface configuration, most notably Debian and it's | ||
| 1340 | derivatives. | ||
| 1341 | |||
| 1342 | The ifup and ifdown commands on Debian don't support bonding out of | ||
| 1343 | the box. The ifenslave-2.6 package should be installed to provide bonding | ||
| 1344 | support. Once installed, this package will provide bond-* options to be used | ||
| 1345 | into /etc/network/interfaces. | ||
| 1346 | |||
| 1347 | Note that ifenslave-2.6 package will load the bonding module and use | ||
| 1348 | the ifenslave command when appropriate. | ||
| 1349 | |||
| 1350 | Example Configurations | ||
| 1351 | ---------------------- | ||
| 1352 | |||
| 1353 | In /etc/network/interfaces, the following stanza will configure bond0, in | ||
| 1354 | active-backup mode, with eth0 and eth1 as slaves. | ||
| 1355 | |||
| 1356 | auto bond0 | ||
| 1357 | iface bond0 inet dhcp | ||
| 1358 | bond-slaves eth0 eth1 | ||
| 1359 | bond-mode active-backup | ||
| 1360 | bond-miimon 100 | ||
| 1361 | bond-primary eth0 eth1 | ||
| 1362 | |||
| 1363 | If the above configuration doesn't work, you might have a system using | ||
| 1364 | upstart for system startup. This is most notably true for recent | ||
| 1365 | Ubuntu versions. The following stanza in /etc/network/interfaces will | ||
| 1366 | produce the same result on those systems. | ||
| 1367 | |||
| 1368 | auto bond0 | ||
| 1369 | iface bond0 inet dhcp | ||
| 1370 | bond-slaves none | ||
| 1371 | bond-mode active-backup | ||
| 1372 | bond-miimon 100 | ||
| 1373 | |||
| 1374 | auto eth0 | ||
| 1375 | iface eth0 inet manual | ||
| 1376 | bond-master bond0 | ||
| 1377 | bond-primary eth0 eth1 | ||
| 1378 | |||
| 1379 | auto eth1 | ||
| 1380 | iface eth1 inet manual | ||
| 1381 | bond-master bond0 | ||
| 1382 | bond-primary eth0 eth1 | ||
| 1383 | |||
| 1384 | For a full list of bond-* supported options in /etc/network/interfaces and some | ||
| 1385 | more advanced examples tailored to you particular distros, see the files in | ||
| 1386 | /usr/share/doc/ifenslave-2.6. | ||
| 1387 | |||
| 1388 | 3.6 Overriding Configuration for Special Cases | ||
| 1331 | ---------------------------------------------- | 1389 | ---------------------------------------------- |
| 1390 | |||
| 1332 | When using the bonding driver, the physical port which transmits a frame is | 1391 | When using the bonding driver, the physical port which transmits a frame is |
| 1333 | typically selected by the bonding driver, and is not relevant to the user or | 1392 | typically selected by the bonding driver, and is not relevant to the user or |
| 1334 | system administrator. The output port is simply selected using the policies of | 1393 | system administrator. The output port is simply selected using the policies of |
| @@ -1,8 +1,8 @@ | |||
| 1 | In order to use the Ethernet bridging functionality, you'll need the | 1 | In order to use the Ethernet bridging functionality, you'll need the |
| 2 | userspace tools. These programs and documentation are available | 2 | userspace tools. These programs and documentation are available |
| 3 | at http://www.linux-foundation.org/en/Net:Bridge. The download page is | 3 | at http://www.linuxfoundation.org/en/Net:Bridge. The download page is |
| 4 | http://prdownloads.sourceforge.net/bridge. | 4 | http://prdownloads.sourceforge.net/bridge. |
| 5 | 5 | ||
| 6 | If you still have questions, don't hesitate to post to the mailing list | 6 | If you still have questions, don't hesitate to post to the mailing list |
| 7 | (more info http://lists.osdl.org/mailman/listinfo/bridge). | 7 | (more info https://lists.linux-foundation.org/mailman/listinfo/bridge). |
| 8 | 8 | ||
| @@ -32,7 +32,7 @@ the physical hardware, both with regard to SPI and to GPIOs. · 31 unmodified lines | |||
| 32 | This function is called by the CAIF SPI interface to give | 32 | This function is called by the CAIF SPI interface to give |
| 33 | you a chance to set up your hardware to be ready to receive | 33 | you a chance to set up your hardware to be ready to receive |
| 34 | a stream of data from the master. The xfer structure contains | 34 | a stream of data from the master. The xfer structure contains |
| 35 | both physical and logical adresses, as well as the total length | 35 | both physical and logical addresses, as well as the total length |
| 36 | of the transfer in both directions.The dev parameter can be used | 36 | of the transfer in both directions.The dev parameter can be used |
| 37 | to map to different CAIF SPI slave devices. | 37 | to map to different CAIF SPI slave devices. |
| 38 | 38 | ||
| @@ -38,15 +38,35 @@ The Linux DCCP implementation does not currently support all the features that a · 37 unmodified lines | |||
| 38 | specified in RFCs 4340...42. | 38 | specified in RFCs 4340...42. |
| 39 | 39 | ||
| 40 | The known bugs are at: | 40 | The known bugs are at: |
| 41 | http://linux-net.osdl.org/index.php/TODO#DCCP | 41 | http://www.linuxfoundation.org/collaborate/workgroups/networking/todo#DCCP |
| 42 | 42 | ||
| 43 | For more up-to-date versions of the DCCP implementation, please consider using | 43 | For more up-to-date versions of the DCCP implementation, please consider using |
| 44 | the experimental DCCP test tree; instructions for checking this out are on: | 44 | the experimental DCCP test tree; instructions for checking this out are on: |
| 45 | http://linux-net.osdl.org/index.php/DCCP_Testing#Experimental_DCCP_source_tree | 45 | http://www.linuxfoundation.org/collaborate/workgroups/networking/dccp_testing#Experimental_DCCP_source_tree |
| 46 | 46 | ||
| 47 | 47 | ||
| 48 | Socket options | 48 | Socket options |
| 49 | ============== | 49 | ============== |
| 50 | DCCP_SOCKOPT_QPOLICY_ID sets the dequeuing policy for outgoing packets. It takes | ||
| 51 | a policy ID as argument and can only be set before the connection (i.e. changes | ||
| 52 | during an established connection are not supported). Currently, two policies are | ||
| 53 | defined: the "simple" policy (DCCPQ_POLICY_SIMPLE), which does nothing special, | ||
| 54 | and a priority-based variant (DCCPQ_POLICY_PRIO). The latter allows to pass an | ||
| 55 | u32 priority value as ancillary data to sendmsg(), where higher numbers indicate | ||
| 56 | a higher packet priority (similar to SO_PRIORITY). This ancillary data needs to | ||
| 57 | be formatted using a cmsg(3) message header filled in as follows: | ||
| 58 | cmsg->cmsg_level = SOL_DCCP; | ||
| 59 | cmsg->cmsg_type = DCCP_SCM_PRIORITY; | ||
| 60 | cmsg->cmsg_len = CMSG_LEN(sizeof(uint32_t)); /* or CMSG_LEN(4) */ | ||
| 61 | |||
| 62 | DCCP_SOCKOPT_QPOLICY_TXQLEN sets the maximum length of the output queue. A zero | ||
| 63 | value is always interpreted as unbounded queue length. If different from zero, | ||
| 64 | the interpretation of this parameter depends on the current dequeuing policy | ||
| 65 | (see above): the "simple" policy will enforce a fixed queue size by returning | ||
| 66 | EAGAIN, whereas the "prio" policy enforces a fixed queue length by dropping the | ||
| 67 | lowest-priority packet first. The default value for this parameter is | ||
| 68 | initialised from /proc/sys/net/dccp/default/tx_qlen. | ||
| 69 | |||
| 50 | DCCP_SOCKOPT_SERVICE sets the service. The specification mandates use of | 70 | DCCP_SOCKOPT_SERVICE sets the service. The specification mandates use of |
| 51 | service codes (RFC 4340, sec. 8.1.2); if this socket option is not set, | 71 | service codes (RFC 4340, sec. 8.1.2); if this socket option is not set, |
| 52 | the socket will fall back to 0 (which means that no meaningful service code | 72 | the socket will fall back to 0 (which means that no meaningful service code |
| @@ -147,6 +167,7 @@ rx_ccid = 2 · 94 unmodified lines | |||
| 147 | seq_window = 100 | 167 | seq_window = 100 |
| 148 | The initial sequence window (sec. 7.5.2) of the sender. This influences | 168 | The initial sequence window (sec. 7.5.2) of the sender. This influences |
| 149 | the local ackno validity and the remote seqno validity windows (7.5.1). | 169 | the local ackno validity and the remote seqno validity windows (7.5.1). |
| 170 | Values in the range Wmin = 32 (RFC 4340, 7.5.2) up to 2^32-1 can be set. | ||
| 150 | 171 | ||
| 151 | tx_qlen = 5 | 172 | tx_qlen = 5 |
| 152 | The size of the transmit buffer in packets. A value of 0 corresponds | 173 | The size of the transmit buffer in packets. A value of 0 corresponds |
| @@ -72,7 +72,7 @@ Tx Descriptors: Number of transmit descriptors. A transmit descriptor is a data · 71 unmodified lines | |||
| 72 | ethtool -G eth? tx n, where n is the number of desired tx descriptors. | 72 | ethtool -G eth? tx n, where n is the number of desired tx descriptors. |
| 73 | 73 | ||
| 74 | Speed/Duplex: The driver auto-negotiates the link speed and duplex settings by | 74 | Speed/Duplex: The driver auto-negotiates the link speed and duplex settings by |
| 75 | default. Ethtool can be used as follows to force speed/duplex. | 75 | default. The ethtool utility can be used as follows to force speed/duplex. |
| 76 | 76 | ||
| 77 | ethtool -s eth? autoneg off speed {10|100} duplex {full|half} | 77 | ethtool -s eth? autoneg off speed {10|100} duplex {full|half} |
| 78 | 78 | ||
| @@ -126,30 +126,21 @@ Additional Configurations · 47 unmodified lines | |||
| 126 | ------- | 126 | ------- |
| 127 | 127 | ||
| 128 | The driver utilizes the ethtool interface for driver configuration and | 128 | The driver utilizes the ethtool interface for driver configuration and |
| 129 | diagnostics, as well as displaying statistical information. Ethtool | 129 | diagnostics, as well as displaying statistical information. The ethtool |
| 130 | version 1.6 or later is required for this functionality. | 130 | version 1.6 or later is required for this functionality. |
| 131 | 131 | ||
| 132 | The latest release of ethtool can be found from | 132 | The latest release of ethtool can be found from |
| 133 | http://sourceforge.net/projects/gkernel. | 133 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 134 | |||
| 135 | NOTE: Ethtool 1.6 only supports a limited set of ethtool options. Support | ||
| 136 | for a more complete ethtool feature set can be enabled by upgrading | ||
| 137 | ethtool to ethtool-1.8.1. | ||
| 138 | |||
| 139 | 134 | ||
| 140 | Enabling Wake on LAN* (WoL) | 135 | Enabling Wake on LAN* (WoL) |
| 141 | --------------------------- | 136 | --------------------------- |
| 142 | WoL is provided through the Ethtool* utility. Ethtool is included with Red | 137 | WoL is provided through the ethtool* utility. For instructions on enabling |
| 143 | Hat* 8.0. For other Linux distributions, download and install Ethtool from | 138 | WoL with ethtool, refer to the ethtool man page. |
| 144 | the following website: http://sourceforge.net/projects/gkernel. | ||
| 145 | |||
| 146 | For instructions on enabling WoL with Ethtool, refer to the Ethtool man page. | ||
| 147 | 139 | ||
| 148 | WoL will be enabled on the system during the next shut down or reboot. For | 140 | WoL will be enabled on the system during the next shut down or reboot. For |
| 149 | this driver version, in order to enable WoL, the e100 driver must be | 141 | this driver version, in order to enable WoL, the e100 driver must be |
| 150 | loaded when shutting down or rebooting the system. | 142 | loaded when shutting down or rebooting the system. |
| 151 | 143 | ||
| 152 | |||
| 153 | NAPI | 144 | NAPI |
| 154 | ---- | 145 | ---- |
| 155 | 146 | ||
| @@ -79,7 +79,7 @@ InterruptThrottleRate · 78 unmodified lines | |||
| 79 | --------------------- | 79 | --------------------- |
| 80 | (not supported on Intel(R) 82542, 82543 or 82544-based adapters) | 80 | (not supported on Intel(R) 82542, 82543 or 82544-based adapters) |
| 81 | Valid Range: 0,1,3,4,100-100000 (0=off, 1=dynamic, 3=dynamic conservative, | 81 | Valid Range: 0,1,3,4,100-100000 (0=off, 1=dynamic, 3=dynamic conservative, |
| 82 | 4=simplified balancing) | 82 | 4=simplified balancing) |
| 83 | Default Value: 3 | 83 | Default Value: 3 |
| 84 | 84 | ||
| 85 | The driver can limit the amount of interrupts per second that the adapter | 85 | The driver can limit the amount of interrupts per second that the adapter |
| @@ -124,8 +124,8 @@ InterruptThrottleRate is set to mode 1. In this mode, which operates · 38 unmodified lines | |||
| 124 | the same as mode 3, the InterruptThrottleRate will be increased stepwise to | 124 | the same as mode 3, the InterruptThrottleRate will be increased stepwise to |
| 125 | 70000 for traffic in class "Lowest latency". | 125 | 70000 for traffic in class "Lowest latency". |
| 126 | 126 | ||
| 127 | In simplified mode the interrupt rate is based on the ratio of Tx and | 127 | In simplified mode the interrupt rate is based on the ratio of TX and |
| 128 | Rx traffic. If the bytes per second rate is approximately equal, the | 128 | RX traffic. If the bytes per second rate is approximately equal, the |
| 129 | interrupt rate will drop as low as 2000 interrupts per second. If the | 129 | interrupt rate will drop as low as 2000 interrupts per second. If the |
| 130 | traffic is mostly transmit or mostly receive, the interrupt rate could | 130 | traffic is mostly transmit or mostly receive, the interrupt rate could |
| 131 | be as high as 8000. | 131 | be as high as 8000. |
| @@ -245,7 +245,7 @@ NOTE: Depending on the available system resources, the request for a · 113 unmodified lines | |||
| 245 | TxDescriptorStep | 245 | TxDescriptorStep |
| 246 | ---------------- | 246 | ---------------- |
| 247 | Valid Range: 1 (use every Tx Descriptor) | 247 | Valid Range: 1 (use every Tx Descriptor) |
| 248 | 4 (use every 4th Tx Descriptor) | 248 | 4 (use every 4th Tx Descriptor) |
| 249 | 249 | ||
| 250 | Default Value: 1 (use every Tx Descriptor) | 250 | Default Value: 1 (use every Tx Descriptor) |
| 251 | 251 | ||
| @@ -312,7 +312,7 @@ Valid Range: 0-xxxxxxx (0=off) · 60 unmodified lines | |||
| 312 | Default Value: 256 | 312 | Default Value: 256 |
| 313 | Usage: insmod e1000.ko copybreak=128 | 313 | Usage: insmod e1000.ko copybreak=128 |
| 314 | 314 | ||
| 315 | Driver copies all packets below or equaling this size to a fresh Rx | 315 | Driver copies all packets below or equaling this size to a fresh RX |
| 316 | buffer before handing it up the stack. | 316 | buffer before handing it up the stack. |
| 317 | 317 | ||
| 318 | This parameter is different than other parameters, in that it is a | 318 | This parameter is different than other parameters, in that it is a |
| @@ -431,15 +431,15 @@ Additional Configurations · 112 unmodified lines | |||
| 431 | Ethtool | 431 | Ethtool |
| 432 | ------- | 432 | ------- |
| 433 | The driver utilizes the ethtool interface for driver configuration and | 433 | The driver utilizes the ethtool interface for driver configuration and |
| 434 | diagnostics, as well as displaying statistical information. Ethtool | 434 | diagnostics, as well as displaying statistical information. The ethtool |
| 435 | version 1.6 or later is required for this functionality. | 435 | version 1.6 or later is required for this functionality. |
| 436 | 436 | ||
| 437 | The latest release of ethtool can be found from | 437 | The latest release of ethtool can be found from |
| 438 | http://sourceforge.net/projects/gkernel. | 438 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 439 | 439 | ||
| 440 | Enabling Wake on LAN* (WoL) | 440 | Enabling Wake on LAN* (WoL) |
| 441 | --------------------------- | 441 | --------------------------- |
| 442 | WoL is configured through the Ethtool* utility. | 442 | WoL is configured through the ethtool* utility. |
| 443 | 443 | ||
| 444 | WoL will be enabled on the system during the next shut down or reboot. | 444 | WoL will be enabled on the system during the next shut down or reboot. |
| 445 | For this driver version, in order to enable WoL, the e1000 driver must be | 445 | For this driver version, in order to enable WoL, the e1000 driver must be |
| @@ -1,5 +1,5 @@ | |||
| 1 | Linux* Driver for Intel(R) Network Connection | 1 | Linux* Driver for Intel(R) Network Connection |
| 2 | =============================================================== | 2 | ============================================= |
| 3 | 3 | ||
| 4 | Intel Gigabit Linux driver. | 4 | Intel Gigabit Linux driver. |
| 5 | Copyright(c) 1999 - 2010 Intel Corporation. | 5 | Copyright(c) 1999 - 2010 Intel Corporation. |
| @@ -61,6 +61,12 @@ per second, even if more packets have come in. This reduces interrupt · 55 unmodified lines | |||
| 61 | load on the system and can lower CPU utilization under heavy load, | 61 | load on the system and can lower CPU utilization under heavy load, |
| 62 | but will increase latency as packets are not processed as quickly. | 62 | but will increase latency as packets are not processed as quickly. |
| 63 | 63 | ||
| 64 | The default behaviour of the driver previously assumed a static | ||
| 65 | InterruptThrottleRate value of 8000, providing a good fallback value for | ||
| 66 | all traffic types, but lacking in small packet performance and latency. | ||
| 67 | The hardware can handle many more small packets per second however, and | ||
| 68 | for this reason an adaptive interrupt moderation algorithm was implemented. | ||
| 69 | |||
| 64 | The driver has two adaptive modes (setting 1 or 3) in which | 70 | The driver has two adaptive modes (setting 1 or 3) in which |
| 65 | it dynamically adjusts the InterruptThrottleRate value based on the traffic | 71 | it dynamically adjusts the InterruptThrottleRate value based on the traffic |
| 66 | that it receives. After determining the type of incoming traffic in the last | 72 | that it receives. After determining the type of incoming traffic in the last |
| @@ -86,8 +92,8 @@ InterruptThrottleRate is set to mode 1. In this mode, which operates · 19 unmodified lines | |||
| 86 | the same as mode 3, the InterruptThrottleRate will be increased stepwise to | 92 | the same as mode 3, the InterruptThrottleRate will be increased stepwise to |
| 87 | 70000 for traffic in class "Lowest latency". | 93 | 70000 for traffic in class "Lowest latency". |
| 88 | 94 | ||
| 89 | In simplified mode the interrupt rate is based on the ratio of Tx and | 95 | In simplified mode the interrupt rate is based on the ratio of TX and |
| 90 | Rx traffic. If the bytes per second rate is approximately equal the | 96 | RX traffic. If the bytes per second rate is approximately equal, the |
| 91 | interrupt rate will drop as low as 2000 interrupts per second. If the | 97 | interrupt rate will drop as low as 2000 interrupts per second. If the |
| 92 | traffic is mostly transmit or mostly receive, the interrupt rate could | 98 | traffic is mostly transmit or mostly receive, the interrupt rate could |
| 93 | be as high as 8000. | 99 | be as high as 8000. |
| @@ -177,7 +183,7 @@ Copybreak · 83 unmodified lines | |||
| 177 | Valid Range: 0-xxxxxxx (0=off) | 183 | Valid Range: 0-xxxxxxx (0=off) |
| 178 | Default Value: 256 | 184 | Default Value: 256 |
| 179 | 185 | ||
| 180 | Driver copies all packets below or equaling this size to a fresh Rx | 186 | Driver copies all packets below or equaling this size to a fresh RX |
| 181 | buffer before handing it up the stack. | 187 | buffer before handing it up the stack. |
| 182 | 188 | ||
| 183 | This parameter is different than other parameters, in that it is a | 189 | This parameter is different than other parameters, in that it is a |
| @@ -223,17 +229,17 @@ loading or enabling the driver, try disabling this feature. · 39 unmodified lines | |||
| 223 | 229 | ||
| 224 | WriteProtectNVM | 230 | WriteProtectNVM |
| 225 | --------------- | 231 | --------------- |
| 226 | Valid Range: 0-1 | 232 | Valid Range: 0,1 |
| 227 | Default Value: 1 (enabled) | 233 | Default Value: 1 |
| 228 | 234 | ||
| 229 | Set the hardware to ignore all write/erase cycles to the GbE region in the | 235 | If set to 1, configure the hardware to ignore all write/erase cycles to the |
| 230 | ICHx NVM (non-volatile memory). This feature can be disabled by the | 236 | GbE region in the ICHx NVM (in order to prevent accidental corruption of the |
| 231 | WriteProtectNVM module parameter (enabled by default) only after a hardware | 237 | NVM). This feature can be disabled by setting the parameter to 0 during initial |
| 232 | reset, but the machine must be power cycled before trying to enable writes. | 238 | driver load. |
| 233 | 239 | NOTE: The machine must be power cycled (full off/on) when enabling NVM writes | |
| 234 | Note: the kernel boot option iomem=relaxed may need to be set if the kernel | 240 | via setting the parameter to zero. Once the NVM has been locked (via the |
| 235 | config option CONFIG_STRICT_DEVMEM=y, if the root user wants to write the | 241 | parameter at 1 when the driver loads) it cannot be unlocked except via power |
| 236 | NVM from user space via ethtool. | 242 | cycle. |
| 237 | 243 | ||
| 238 | Additional Configurations | 244 | Additional Configurations |
| 239 | ========================= | 245 | ========================= |
| @@ -259,32 +265,30 @@ Additional Configurations · 19 unmodified lines | |||
| 259 | - Some adapters limit Jumbo Frames sized packets to a maximum of | 265 | - Some adapters limit Jumbo Frames sized packets to a maximum of |
| 260 | 4096 bytes and some adapters do not support Jumbo Frames. | 266 | 4096 bytes and some adapters do not support Jumbo Frames. |
| 261 | 267 | ||
| 262 | |||
| 263 | Ethtool | 268 | Ethtool |
| 264 | ------- | 269 | ------- |
| 265 | The driver utilizes the ethtool interface for driver configuration and | 270 | The driver utilizes the ethtool interface for driver configuration and |
| 266 | diagnostics, as well as displaying statistical information. We | 271 | diagnostics, as well as displaying statistical information. We |
| 267 | strongly recommend downloading the latest version of Ethtool at: | 272 | strongly recommend downloading the latest version of ethtool at: |
| 268 | 273 | ||
| 269 | http://sourceforge.net/projects/gkernel. | 274 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 270 | 275 | ||
| 271 | Speed and Duplex | 276 | Speed and Duplex |
| 272 | ---------------- | 277 | ---------------- |
| 273 | Speed and Duplex are configured through the Ethtool* utility. For | 278 | Speed and Duplex are configured through the ethtool* utility. For |
| 274 | instructions, refer to the Ethtool man page. | 279 | instructions, refer to the ethtool man page. |
| 275 | 280 | ||
| 276 | Enabling Wake on LAN* (WoL) | 281 | Enabling Wake on LAN* (WoL) |
| 277 | --------------------------- | 282 | --------------------------- |
| 278 | WoL is configured through the Ethtool* utility. For instructions on | 283 | WoL is configured through the ethtool* utility. For instructions on |
| 279 | enabling WoL with Ethtool, refer to the Ethtool man page. | 284 | enabling WoL with ethtool, refer to the ethtool man page. |
| 280 | 285 | ||
| 281 | WoL will be enabled on the system during the next shut down or reboot. | 286 | WoL will be enabled on the system during the next shut down or reboot. |
| 282 | For this driver version, in order to enable WoL, the e1000e driver must be | 287 | For this driver version, in order to enable WoL, the e1000e driver must be |
| 283 | loaded when shutting down or rebooting the system. | 288 | loaded when shutting down or rebooting the system. |
| 284 | 289 | ||
| 285 | In most cases Wake On LAN is only supported on port A for multiple port | 290 | In most cases Wake On LAN is only supported on port A for multiple port |
| 286 | adapters. To verify if a port supports Wake on LAN run ethtool eth<X>. | 291 | adapters. To verify if a port supports Wake on Lan run ethtool eth<X>. |
| 287 | |||
| 288 | 292 | ||
| 289 | Support | 293 | Support |
| 290 | ======= | 294 | ======= |
| @@ -1,3 +1,3 @@ | |||
| 1 | A wiki document on how to use Generic Netlink can be found here: | 1 | A wiki document on how to use Generic Netlink can be found here: |
| 2 | 2 | ||
| 3 | * http://linux-net.osdl.org/index.php/Generic_Netlink_HOWTO | 3 | * http://www.linuxfoundation.org/collaborate/workgroups/networking/generic_netlink_howto |
| @@ -36,6 +36,7 @@ Default Value: 0 · 35 unmodified lines | |||
| 36 | This parameter adds support for SR-IOV. It causes the driver to spawn up to | 36 | This parameter adds support for SR-IOV. It causes the driver to spawn up to |
| 37 | max_vfs worth of virtual function. | 37 | max_vfs worth of virtual function. |
| 38 | 38 | ||
| 39 | |||
| 39 | Additional Configurations | 40 | Additional Configurations |
| 40 | ========================= | 41 | ========================= |
| 41 | 42 | ||
| @@ -60,15 +61,16 @@ Additional Configurations · 18 unmodified lines | |||
| 60 | Ethtool | 61 | Ethtool |
| 61 | ------- | 62 | ------- |
| 62 | The driver utilizes the ethtool interface for driver configuration and | 63 | The driver utilizes the ethtool interface for driver configuration and |
| 63 | diagnostics, as well as displaying statistical information. | 64 | diagnostics, as well as displaying statistical information. The latest |
| 65 | version of ethtool can be found at: | ||
| 64 | 66 | ||
| 65 | http://sourceforge.net/projects/gkernel. | 67 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 66 | 68 | ||
| 67 | Enabling Wake on LAN* (WoL) | 69 | Enabling Wake on LAN* (WoL) |
| 68 | --------------------------- | 70 | --------------------------- |
| 69 | WoL is configured through the Ethtool* utility. | 71 | WoL is configured through the ethtool* utility. |
| 70 | 72 | ||
| 71 | For instructions on enabling WoL with Ethtool, refer to the Ethtool man page. | 73 | For instructions on enabling WoL with ethtool, refer to the ethtool man page. |
| 72 | 74 | ||
| 73 | WoL will be enabled on the system during the next shut down or reboot. | 75 | WoL will be enabled on the system during the next shut down or reboot. |
| 74 | For this driver version, in order to enable WoL, the igb driver must be | 76 | For this driver version, in order to enable WoL, the igb driver must be |
| @@ -91,31 +93,6 @@ Additional Configurations · 16 unmodified lines | |||
| 91 | REQUIREMENTS: MSI-X support is required for Multiqueue. If MSI-X is not | 93 | REQUIREMENTS: MSI-X support is required for Multiqueue. If MSI-X is not |
| 92 | found, the system will fallback to MSI or to Legacy interrupts. | 94 | found, the system will fallback to MSI or to Legacy interrupts. |
| 93 | 95 | ||
| 94 | LRO | ||
| 95 | --- | ||
| 96 | Large Receive Offload (LRO) is a technique for increasing inbound throughput | ||
| 97 | of high-bandwidth network connections by reducing CPU overhead. It works by | ||
| 98 | aggregating multiple incoming packets from a single stream into a larger | ||
| 99 | buffer before they are passed higher up the networking stack, thus reducing | ||
| 100 | the number of packets that have to be processed. LRO combines multiple | ||
| 101 | Ethernet frames into a single receive in the stack, thereby potentially | ||
| 102 | decreasing CPU utilization for receives. | ||
| 103 | |||
| 104 | NOTE: You need to have inet_lro enabled via either the CONFIG_INET_LRO or | ||
| 105 | CONFIG_INET_LRO_MODULE kernel config option. Additionally, if | ||
| 106 | CONFIG_INET_LRO_MODULE is used, the inet_lro module needs to be loaded | ||
| 107 | before the igb driver. | ||
| 108 | |||
| 109 | You can verify that the driver is using LRO by looking at these counters in | ||
| 110 | Ethtool: | ||
| 111 | |||
| 112 | lro_aggregated - count of total packets that were combined | ||
| 113 | lro_flushed - counts the number of packets flushed out of LRO | ||
| 114 | lro_no_desc - counts the number of times an LRO descriptor was not available | ||
| 115 | for the LRO packet | ||
| 116 | |||
| 117 | NOTE: IPv6 and UDP are not supported by LRO. | ||
| 118 | |||
| 119 | Support | 96 | Support |
| 120 | ======= | 97 | ======= |
| 121 | 98 | ||
| @@ -58,9 +58,11 @@ Additional Configurations · 57 unmodified lines | |||
| 58 | Ethtool | 58 | Ethtool |
| 59 | ------- | 59 | ------- |
| 60 | The driver utilizes the ethtool interface for driver configuration and | 60 | The driver utilizes the ethtool interface for driver configuration and |
| 61 | diagnostics, as well as displaying statistical information. | 61 | diagnostics, as well as displaying statistical information. The ethtool |
| 62 | version 3.0 or later is required for this functionality, although we | ||
| 63 | strongly recommend downloading the latest version at: | ||
| 62 | 64 | ||
| 63 | http://sourceforge.net/projects/gkernel. | 65 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 64 | 66 | ||
| 65 | Support | 67 | Support |
| 66 | ======= | 68 | ======= |
| @@ -11,7 +11,9 @@ ip_forward - BOOLEAN · 10 unmodified lines | |||
| 11 | for routers) | 11 | for routers) |
| 12 | 12 | ||
| 13 | ip_default_ttl - INTEGER | 13 | ip_default_ttl - INTEGER |
| 14 | default 64 | 14 | Default value of TTL field (Time To Live) for outgoing (but not |
| 15 | forwarded) IP packets. Should be between 1 and 255 inclusive. | ||
| 16 | Default: 64 (as recommended by RFC1700) | ||
| 15 | 17 | ||
| 16 | ip_no_pmtu_disc - BOOLEAN | 18 | ip_no_pmtu_disc - BOOLEAN |
| 17 | Disable Path MTU Discovery. | 19 | Disable Path MTU Discovery. |
| @@ -185,7 +187,7 @@ tcp_cookie_size - INTEGER · 167 unmodified lines | |||
| 185 | tcp_dsack - BOOLEAN | 187 | tcp_dsack - BOOLEAN |
| 186 | Allows TCP to send "duplicate" SACKs. | 188 | Allows TCP to send "duplicate" SACKs. |
| 187 | 189 | ||
| 188 | tcp_ecn - BOOLEAN | 190 | tcp_ecn - INTEGER |
| 189 | Enable Explicit Congestion Notification (ECN) in TCP. ECN is only | 191 | Enable Explicit Congestion Notification (ECN) in TCP. ECN is only |
| 190 | used when both ends of the TCP flow support it. It is useful to | 192 | used when both ends of the TCP flow support it. It is useful to |
| 191 | avoid losses due to congestion (when the bottleneck router supports | 193 | avoid losses due to congestion (when the bottleneck router supports |
| @@ -708,10 +710,28 @@ igmp_max_memberships - INTEGER · 516 unmodified lines | |||
| 708 | Change the maximum number of multicast groups we can subscribe to. | 710 | Change the maximum number of multicast groups we can subscribe to. |
| 709 | Default: 20 | 711 | Default: 20 |
| 710 | 712 | ||
| 711 | conf/interface/* changes special settings per interface (where "interface" is | 713 | Theoretical maximum value is bounded by having to send a membership |
| 712 | the name of your network interface) | 714 | report in a single datagram (i.e. the report can't span multiple |
| 713 | conf/all/* is special, changes the settings for all interfaces | 715 | datagrams, or risk confusing the switch and leaving groups you don't |
| 716 | intend to). | ||
| 714 | 717 | ||
| 718 | The number of supported groups 'M' is bounded by the number of group | ||
| 719 | report entries you can fit into a single datagram of 65535 bytes. | ||
| 720 | |||
| 721 | M = 65536-sizeof (ip header)/(sizeof(Group record)) | ||
| 722 | |||
| 723 | Group records are variable length, with a minimum of 12 bytes. | ||
| 724 | So net.ipv4.igmp_max_memberships should not be set higher than: | ||
| 725 | |||
| 726 | (65536-24) / 12 = 5459 | ||
| 727 | |||
| 728 | The value 5459 assumes no IP header options, so in practice | ||
| 729 | this number may be lower. | ||
| 730 | |||
| 731 | conf/interface/* changes special settings per interface (where | ||
| 732 | "interface" is the name of your network interface) | ||
| 733 | |||
| 734 | conf/all/* is special, changes the settings for all interfaces | ||
| 715 | 735 | ||
| 716 | log_martians - BOOLEAN | 736 | log_martians - BOOLEAN |
| 717 | Log packets with impossible addresses to kernel log. | 737 | Log packets with impossible addresses to kernel log. |
| @@ -309,15 +309,15 @@ Additional Configurations · 308 unmodified lines | |||
| 309 | Ethtool | 309 | Ethtool |
| 310 | ------- | 310 | ------- |
| 311 | The driver utilizes the ethtool interface for driver configuration and | 311 | The driver utilizes the ethtool interface for driver configuration and |
| 312 | diagnostics, as well as displaying statistical information. Ethtool | 312 | diagnostics, as well as displaying statistical information. The ethtool |
| 313 | version 1.6 or later is required for this functionality. | 313 | version 1.6 or later is required for this functionality. |
| 314 | 314 | ||
| 315 | The latest release of ethtool can be found from | 315 | The latest release of ethtool can be found from |
| 316 | http://sourceforge.net/projects/gkernel | 316 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 317 | 317 | ||
| 318 | NOTE: Ethtool 1.6 only supports a limited set of ethtool options. Support | 318 | NOTE: The ethtool version 1.6 only supports a limited set of ethtool options. |
| 319 | for a more complete ethtool feature set can be enabled by upgrading | 319 | Support for a more complete ethtool feature set can be enabled by |
| 320 | to the latest version. | 320 | upgrading to the latest version. |
| 321 | 321 | ||
| 322 | 322 | ||
| 323 | NAPI | 323 | NAPI |
| @@ -1,107 +1,126 @@ | |||
| 1 | Linux Base Driver for 10 Gigabit PCI Express Intel(R) Network Connection | 1 | Linux Base Driver for 10 Gigabit PCI Express Intel(R) Network Connection |
| 2 | ======================================================================== | 2 | ======================================================================== |
| 3 | 3 | ||
| 4 | March 10, 2009 | 4 | Intel Gigabit Linux driver. |
| 5 | 5 | Copyright(c) 1999 - 2010 Intel Corporation. | |
| 6 | 6 | ||
| 7 | Contents | 7 | Contents |
| 8 | ======== | 8 | ======== |
| 9 | 9 | ||
| 10 | - In This Release | ||
| 11 | - Identifying Your Adapter | 10 | - Identifying Your Adapter |
| 12 | - Building and Installation | ||
| 13 | - Additional Configurations | 11 | - Additional Configurations |
| 12 | - Performance Tuning | ||
| 13 | - Known Issues | ||
| 14 | - Support | 14 | - Support |
| 15 | 15 | ||
| 16 | Identifying Your Adapter | ||
| 17 | ======================== | ||
| 16 | 18 | ||
| 19 | The driver in this release is compatible with 82598 and 82599-based Intel | ||
| 20 | Network Connections. | ||
| 17 | 21 | ||
| 18 | In This Release | 22 | For more information on how to identify your adapter, go to the Adapter & |
| 19 | =============== | 23 | Driver ID Guide at: |
| 20 | 24 | ||
| 21 | This file describes the ixgbe Linux Base Driver for the 10 Gigabit PCI | 25 | http://support.intel.com/support/network/sb/CS-012904.htm |
| 22 | Express Intel(R) Network Connection. This driver includes support for | ||
| 23 | Itanium(R)2-based systems. | ||
| 24 | 26 | ||
| 25 | For questions related to hardware requirements, refer to the documentation | 27 | SFP+ Devices with Pluggable Optics |
| 26 | supplied with your 10 Gigabit adapter. All hardware requirements listed apply | 28 | ---------------------------------- |
| 27 | to use with Linux. | ||
| 28 | 29 | ||
| 29 | The following features are available in this kernel: | 30 | 82599-BASED ADAPTERS |
| 30 | - Native VLANs | ||
| 31 | - Channel Bonding (teaming) | ||
| 32 | - SNMP | ||
| 33 | - Generic Receive Offload | ||
| 34 | - Data Center Bridging | ||
| 35 | 31 | ||
| 36 | Channel Bonding documentation can be found in the Linux kernel source: | 32 | NOTES: If your 82599-based Intel(R) Network Adapter came with Intel optics, or |
| 37 | /Documentation/networking/bonding.txt | 33 | is an Intel(R) Ethernet Server Adapter X520-2, then it only supports Intel |
| 34 | optics and/or the direct attach cables listed below. | ||
| 38 | 35 | ||
| 39 | Ethtool, lspci, and ifconfig can be used to display device and driver | 36 | When 82599-based SFP+ devices are connected back to back, they should be set to |
| 40 | specific information. | 37 | the same Speed setting via ethtool. Results may vary if you mix speed settings. |
| 38 | 82598-based adapters support all passive direct attach cables that comply | ||
| 39 | with SFF-8431 v4.1 and SFF-8472 v10.4 specifications. Active direct attach | ||
| 40 | cables are not supported. | ||
| 41 | 41 | ||
| 42 | Supplier Type Part Numbers | ||
| 42 | 43 | ||
| 43 | Identifying Your Adapter | 44 | SR Modules |
| 44 | ======================== | 45 | Intel DUAL RATE 1G/10G SFP+ SR (bailed) FTLX8571D3BCV-IT |
| 46 | Intel DUAL RATE 1G/10G SFP+ SR (bailed) AFBR-703SDDZ-IN1 | ||
| 47 | Intel DUAL RATE 1G/10G SFP+ SR (bailed) AFBR-703SDZ-IN2 | ||
| 48 | LR Modules | ||
| 49 | Intel DUAL RATE 1G/10G SFP+ LR (bailed) FTLX1471D3BCV-IT | ||
| 50 | Intel DUAL RATE 1G/10G SFP+ LR (bailed) AFCT-701SDDZ-IN1 | ||
| 51 | Intel DUAL RATE 1G/10G SFP+ LR (bailed) AFCT-701SDZ-IN2 | ||
| 45 | 52 | ||
| 46 | This driver supports devices based on the 82598 controller and the 82599 | 53 | The following is a list of 3rd party SFP+ modules and direct attach cables that |
| 47 | controller. | 54 | have received some testing. Not all modules are applicable to all devices. |
| 48 | 55 | ||
| 49 | For specific information on identifying which adapter you have, please visit: | 56 | Supplier Type Part Numbers |
| 50 | 57 | ||
| 51 | http://support.intel.com/support/network/sb/CS-008441.htm | 58 | Finisar SFP+ SR bailed, 10g single rate FTLX8571D3BCL |
| 59 | Avago SFP+ SR bailed, 10g single rate AFBR-700SDZ | ||
| 60 | Finisar SFP+ LR bailed, 10g single rate FTLX1471D3BCL | ||
| 52 | 61 | ||
| 62 | Finisar DUAL RATE 1G/10G SFP+ SR (No Bail) FTLX8571D3QCV-IT | ||
| 63 | Avago DUAL RATE 1G/10G SFP+ SR (No Bail) AFBR-703SDZ-IN1 | ||
| 64 | Finisar DUAL RATE 1G/10G SFP+ LR (No Bail) FTLX1471D3QCV-IT | ||
| 65 | Avago DUAL RATE 1G/10G SFP+ LR (No Bail) AFCT-701SDZ-IN1 | ||
| 66 | Finistar 1000BASE-T SFP FCLF8522P2BTL | ||
| 67 | Avago 1000BASE-T SFP ABCU-5710RZ | ||
| 53 | 68 | ||
| 54 | Building and Installation | 69 | 82599-based adapters support all passive and active limiting direct attach |
| 55 | ========================= | 70 | cables that comply with SFF-8431 v4.1 and SFF-8472 v10.4 specifications. |
| 56 | 71 | ||
| 57 | select m for "Intel(R) 10GbE PCI Express adapters support" located at: | 72 | Laser turns off for SFP+ when ifconfig down |
| 58 | Location: | 73 | ------------------------------------------- |
| 59 | -> Device Drivers | 74 | "ifconfig down" turns off the laser for 82599-based SFP+ fiber adapters. |
| 60 | -> Network device support (NETDEVICES [=y]) | 75 | "ifconfig up" turns on the later. |
| 61 | -> Ethernet (10000 Mbit) (NETDEV_10000 [=y]) | ||
| 62 | 76 | ||
| 63 | 1. make modules & make modules_install | ||
| 64 | 77 | ||
| 65 | 2. Load the module: | 78 | 82598-BASED ADAPTERS |
| 66 | 79 | ||
| 67 | # modprobe ixgbe | 80 | NOTES for 82598-Based Adapters: |
| 81 | - Intel(R) Network Adapters that support removable optical modules only support | ||
| 82 | their original module type (i.e., the Intel(R) 10 Gigabit SR Dual Port | ||
| 83 | Express Module only supports SR optical modules). If you plug in a different | ||
| 84 | type of module, the driver will not load. | ||
| 85 | - Hot Swapping/hot plugging optical modules is not supported. | ||
| 86 | - Only single speed, 10 gigabit modules are supported. | ||
| 87 | - LAN on Motherboard (LOMs) may support DA, SR, or LR modules. Other module | ||
| 88 | types are not supported. Please see your system documentation for details. | ||
| 68 | 89 | ||
| 69 | The insmod command can be used if the full | 90 | The following is a list of 3rd party SFP+ modules and direct attach cables that |
| 70 | path to the driver module is specified. For example: | 91 | have received some testing. Not all modules are applicable to all devices. |
| 71 | 92 | ||
| 72 | insmod /lib/modules/<KERNEL VERSION>/kernel/drivers/net/ixgbe/ixgbe.ko | 93 | Supplier Type Part Numbers |
| 73 | 94 | ||
| 74 | With 2.6 based kernels also make sure that older ixgbe drivers are | 95 | Finisar SFP+ SR bailed, 10g single rate FTLX8571D3BCL |
| 75 | removed from the kernel, before loading the new module: | 96 | Avago SFP+ SR bailed, 10g single rate AFBR-700SDZ |
| 97 | Finisar SFP+ LR bailed, 10g single rate FTLX1471D3BCL | ||
| 76 | 98 | ||
| 77 | rmmod ixgbe; modprobe ixgbe | 99 | 82598-based adapters support all passive direct attach cables that comply |
| 100 | with SFF-8431 v4.1 and SFF-8472 v10.4 specifications. Active direct attach | ||
| 101 | cables are not supported. | ||
| 78 | 102 | ||
| 79 | 3. Assign an IP address to the interface by entering the following, where | ||
| 80 | x is the interface number: | ||
| 81 | 103 | ||
| 82 | ifconfig ethx <IP_address> | 104 | Flow Control |
| 105 | ------------ | ||
| 106 | Ethernet Flow Control (IEEE 802.3x) can be configured with ethtool to enable | ||
| 107 | receiving and transmitting pause frames for ixgbe. When TX is enabled, PAUSE | ||
| 108 | frames are generated when the receive packet buffer crosses a predefined | ||
| 109 | threshold. When rx is enabled, the transmit unit will halt for the time delay | ||
| 110 | specified when a PAUSE frame is received. | ||
| 83 | 111 | ||
| 84 | 4. Verify that the interface works. Enter the following, where <IP_address> | 112 | Flow Control is enabled by default. If you want to disable a flow control |
| 85 | is the IP address for another machine on the same subnet as the interface | 113 | capable link partner, use ethtool: |
| 86 | that is being tested: | ||
| 87 | 114 | ||
| 88 | ping <IP_address> | 115 | ethtool -A eth? autoneg off RX off TX off |
| 89 | 116 | ||
| 117 | NOTE: For 82598 backplane cards entering 1 gig mode, flow control default | ||
| 118 | behavior is changed to off. Flow control in 1 gig mode on these devices can | ||
| 119 | lead to Tx hangs. | ||
| 90 | 120 | ||
| 91 | Additional Configurations | 121 | Additional Configurations |
| 92 | ========================= | 122 | ========================= |
| 93 | 123 | ||
| 94 | Viewing Link Messages | ||
| 95 | --------------------- | ||
| 96 | Link messages will not be displayed to the console if the distribution is | ||
| 97 | restricting system messages. In order to see network driver link messages on | ||
| 98 | your console, set dmesg to eight by entering the following: | ||
| 99 | |||
| 100 | dmesg -n 8 | ||
| 101 | |||
| 102 | NOTE: This setting is not saved across reboots. | ||
| 103 | |||
| 104 | |||
| 105 | Jumbo Frames | 124 | Jumbo Frames |
| 106 | ------------ | 125 | ------------ |
| 107 | The driver supports Jumbo Frames for all adapters. Jumbo Frames support is | 126 | The driver supports Jumbo Frames for all adapters. Jumbo Frames support is |
| @@ -123,13 +142,8 @@ Additional Configurations · 15 unmodified lines | |||
| 123 | other protocols besides TCP. It's also safe to use with configurations that | 142 | other protocols besides TCP. It's also safe to use with configurations that |
| 124 | are problematic for LRO, namely bridging and iSCSI. | 143 | are problematic for LRO, namely bridging and iSCSI. |
| 125 | 144 | ||
| 126 | GRO is enabled by default in the driver. Future versions of ethtool will | ||
| 127 | support disabling and re-enabling GRO on the fly. | ||
| 128 | |||
| 129 | |||
| 130 | Data Center Bridging, aka DCB | 145 | Data Center Bridging, aka DCB |
| 131 | ----------------------------- | 146 | ----------------------------- |
| 132 | |||
| 133 | DCB is a configuration Quality of Service implementation in hardware. | 147 | DCB is a configuration Quality of Service implementation in hardware. |
| 134 | It uses the VLAN priority tag (802.1p) to filter traffic. That means | 148 | It uses the VLAN priority tag (802.1p) to filter traffic. That means |
| 135 | that there are 8 different priorities that traffic can be filtered into. | 149 | that there are 8 different priorities that traffic can be filtered into. |
| @@ -163,24 +177,71 @@ Additional Configurations · 27 unmodified lines | |||
| 163 | 177 | ||
| 164 | http://e1000.sf.net | 178 | http://e1000.sf.net |
| 165 | 179 | ||
| 166 | |||
| 167 | Ethtool | 180 | Ethtool |
| 168 | ------- | 181 | ------- |
| 169 | The driver utilizes the ethtool interface for driver configuration and | 182 | The driver utilizes the ethtool interface for driver configuration and |
| 170 | diagnostics, as well as displaying statistical information. Ethtool | 183 | diagnostics, as well as displaying statistical information. The latest |
| 171 | version 3.0 or later is required for this functionality. | 184 | ethtool version is required for this functionality. |
| 172 | 185 | ||
| 173 | The latest release of ethtool can be found from | 186 | The latest release of ethtool can be found from |
| 174 | http://sourceforge.net/projects/gkernel. | 187 | http://ftp.kernel.org/pub/software/network/ethtool/ |
| 175 | 188 | ||
| 176 | 189 | FCoE | |
| 177 | NAPI | ||
| 178 | ---- | 190 | ---- |
| 191 | This release of the ixgbe driver contains new code to enable users to use | ||
| 192 | Fiber Channel over Ethernet (FCoE) and Data Center Bridging (DCB) | ||
| 193 | functionality that is supported by the 82598-based hardware. This code has | ||
| 194 | no default effect on the regular driver operation, and configuring DCB and | ||
| 195 | FCoE is outside the scope of this driver README. Refer to | ||
| 196 | http://www.open-fcoe.org/ for FCoE project information and contact | ||
| 197 | e1000-eedc@lists.sourceforge.net for DCB information. | ||
| 198 | |||
| 199 | MAC and VLAN anti-spoofing feature | ||
| 200 | ---------------------------------- | ||
| 201 | When a malicious driver attempts to send a spoofed packet, it is dropped by | ||
| 202 | the hardware and not transmitted. An interrupt is sent to the PF driver | ||
| 203 | notifying it of the spoof attempt. | ||
| 204 | |||
| 205 | When a spoofed packet is detected the PF driver will send the following | ||
| 206 | message to the system log (displayed by the "dmesg" command): | ||
| 207 | |||
| 208 | Spoof event(s) detected on VF (n) | ||
| 209 | |||
| 210 | Where n=the VF that attempted to do the spoofing. | ||
| 211 | |||
| 212 | |||
| 213 | Performance Tuning | ||
| 214 | ================== | ||
| 215 | |||
| 216 | An excellent article on performance tuning can be found at: | ||
| 217 | |||
| 218 | http://www.redhat.com/promo/summit/2008/downloads/pdf/Thursday/Mark_Wagner.pdf | ||
| 219 | |||
| 220 | |||
| 221 | Known Issues | ||
| 222 | ============ | ||
| 223 | |||
| 224 | Enabling SR-IOV in a 32-bit Microsoft* Windows* Server 2008 Guest OS using | ||
| 225 | Intel (R) 82576-based GbE or Intel (R) 82599-based 10GbE controller under KVM | ||
| 226 | ----------------------------------------------------------------------------- | ||
| 227 | KVM Hypervisor/VMM supports direct assignment of a PCIe device to a VM. This | ||
| 228 | includes traditional PCIe devices, as well as SR-IOV-capable devices using | ||
| 229 | Intel 82576-based and 82599-based controllers. | ||
| 230 | |||
| 231 | While direct assignment of a PCIe device or an SR-IOV Virtual Function (VF) | ||
| 232 | to a Linux-based VM running 2.6.32 or later kernel works fine, there is a | ||
| 233 | known issue with Microsoft Windows Server 2008 VM that results in a "yellow | ||
| 234 | bang" error. This problem is within the KVM VMM itself, not the Intel driver, | ||
| 235 | or the SR-IOV logic of the VMM, but rather that KVM emulates an older CPU | ||
| 236 | model for the guests, and this older CPU model does not support MSI-X | ||
| 237 | interrupts, which is a requirement for Intel SR-IOV. | ||
| 179 | 238 | ||
| 180 | NAPI (Rx polling mode) is supported in the ixgbe driver. NAPI is enabled | 239 | If you wish to use the Intel 82576 or 82599-based controllers in SR-IOV mode |
| 181 | by default in the driver. | 240 | with KVM and a Microsoft Windows Server 2008 guest try the following |
| 241 | workaround. The workaround is to tell KVM to emulate a different model of CPU | ||
| 242 | when using qemu to create the KVM guest: | ||
| 182 | 243 | ||
| 183 | See www.cyberus.ca/~hadi/usenix-paper.tgz for more information on NAPI. | 244 | "-cpu qemu64,model=13" |
| 184 | 245 | ||
| 185 | 246 | ||
| 186 | Support | 247 | Support |
| @@ -35,10 +35,6 @@ Driver ID Guide at: · 34 unmodified lines | |||
| 35 | Known Issues/Troubleshooting | 35 | Known Issues/Troubleshooting |
| 36 | ============================ | 36 | ============================ |
| 37 | 37 | ||
| 38 | Unloading Physical Function (PF) Driver Causes System Reboots When VM is | ||
| 39 | Running and VF is Loaded on the VM | ||
| 40 | ------------------------------------------------------------------------ | ||
| 41 | Do not unload the PF driver (ixgbe) while VFs are assigned to guests. | ||
| 42 | 38 | ||
| 43 | Support | 39 | Support |
| 44 | ======= | 40 | ======= |
| @@ -7,7 +7,7 @@ This is the driver for the MAC 10/100/1000 on-chip Ethernet controllers · 6 unmodified lines | |||
| 7 | (Synopsys IP blocks); it has been fully tested on STLinux platforms. | 7 | (Synopsys IP blocks); it has been fully tested on STLinux platforms. |
| 8 | 8 | ||
| 9 | Currently this network device driver is for all STM embedded MAC/GMAC | 9 | Currently this network device driver is for all STM embedded MAC/GMAC |
| 10 | (7xxx SoCs). | 10 | (7xxx SoCs). Other platforms start using it i.e. ARM SPEAr. |
| 11 | 11 | ||
| 12 | DWC Ether MAC 10/100/1000 Universal version 3.41a and DWC Ether MAC 10/100 | 12 | DWC Ether MAC 10/100/1000 Universal version 3.41a and DWC Ether MAC 10/100 |
| 13 | Universal version 4.0 have been used for developing the first code | 13 | Universal version 4.0 have been used for developing the first code |
| @@ -95,9 +95,14 @@ Several information came from the platform; please refer to the · 81 unmodified lines | |||
| 95 | driver's Header file in include/linux directory. | 95 | driver's Header file in include/linux directory. |
| 96 | 96 | ||
| 97 | struct plat_stmmacenet_data { | 97 | struct plat_stmmacenet_data { |
| 98 | int bus_id; | 98 | int bus_id; |
| 99 | int pbl; | 99 | int pbl; |
| 100 | int has_gmac; | 100 | int clk_csr; |
| 101 | int has_gmac; | ||
| 102 | int enh_desc; | ||
| 103 | int tx_coe; | ||
| 104 | int bugged_jumbo; | ||
| 105 | int pmt; | ||
| 101 | void (*fix_mac_speed)(void *priv, unsigned int speed); | 106 | void (*fix_mac_speed)(void *priv, unsigned int speed); |
| 102 | void (*bus_setup)(unsigned long ioaddr); | 107 | void (*bus_setup)(unsigned long ioaddr); |
| 103 | #ifdef CONFIG_STM_DRIVERS | 108 | #ifdef CONFIG_STM_DRIVERS |
| @@ -114,6 +119,12 @@ Where: · 10 unmodified lines | |||
| 114 | registers (on STM platforms); | 119 | registers (on STM platforms); |
| 115 | - has_gmac: GMAC core is on board (get it at run-time in the next step); | 120 | - has_gmac: GMAC core is on board (get it at run-time in the next step); |
| 116 | - bus_id: bus identifier. | 121 | - bus_id: bus identifier. |
| 122 | - tx_coe: core is able to perform the tx csum in HW. | ||
| 123 | - enh_desc: if sets the MAC will use the enhanced descriptor structure. | ||
| 124 | - clk_csr: CSR Clock range selection. | ||
| 125 | - bugged_jumbo: some HWs are not able to perform the csum in HW for | ||
| 126 | over-sized frames due to limited buffer sizes. Setting this | ||
| 127 | flag the csum will be done in SW on JUMBO frames. | ||
| 117 | 128 | ||
| 118 | struct plat_stmmacphy_data { | 129 | struct plat_stmmacphy_data { |
| 119 | int bus_id; | 130 | int bus_id; |
| @@ -131,13 +142,28 @@ Where: · 11 unmodified lines | |||
| 131 | - interface: physical MII interface mode; | 142 | - interface: physical MII interface mode; |
| 132 | - phy_reset: hook to reset HW function. | 143 | - phy_reset: hook to reset HW function. |
| 133 | 144 | ||
| 145 | SOURCES: | ||
| 146 | - Kconfig | ||
| 147 | - Makefile | ||
| 148 | - stmmac_main.c: main network device driver; | ||
| 149 | - stmmac_mdio.c: mdio functions; | ||
| 150 | - stmmac_ethtool.c: ethtool support; | ||
| 151 | - stmmac_timer.[ch]: timer code used for mitigating the driver dma interrupts | ||
| 152 | Only tested on ST40 platforms based. | ||
| 153 | - stmmac.h: private driver structure; | ||
| 154 | - common.h: common definitions and VFTs; | ||
| 155 | - descs.h: descriptor structure definitions; | ||
| 156 | - dwmac1000_core.c: GMAC core functions; | ||
| 157 | - dwmac1000_dma.c: dma functions for the GMAC chip; | ||
| 158 | - dwmac1000.h: specific header file for the GMAC; | ||
| 159 | - dwmac100_core: MAC 100 core and dma code; | ||
| 160 | - dwmac100_dma.c: dma funtions for the MAC chip; | ||
| 161 | - dwmac1000.h: specific header file for the MAC; | ||
| 162 | - dwmac_lib.c: generic DMA functions shared among chips | ||
| 163 | - enh_desc.c: functions for handling enhanced descriptors | ||
| 164 | - norm_desc.c: functions for handling normal descriptors | ||
| 165 | |||
| 134 | TODO: | 166 | TODO: |
| 135 | - Continue to make the driver more generic and suitable for other Synopsys | 167 | - XGMAC controller is not supported. |
| 136 | Ethernet controllers used on other architectures (i.e. ARM). | ||
| 137 | - 10G controllers are not supported. | ||
| 138 | - MAC uses Normal descriptors and GMAC uses enhanced ones. | ||
| 139 | This is a limit that should be reviewed. MAC could want to | ||
| 140 | use the enhanced structure. | ||
| 141 | - Checksumming: Rx/Tx csum is done in HW in case of GMAC only. | ||
| 142 | - Review the timer optimisation code to use an embedded device that seems to be | 168 | - Review the timer optimisation code to use an embedded device that seems to be |
| 143 | available in new chip generations. | 169 | available in new chip generations. |
| @@ -0,0 +1,114 @@ | |||
| 1 | Kernel driver for the NXP Semiconductors PN544 Near Field | ||
| 2 | Communication chip | ||
| 3 | |||
| 4 | Author: Jari Vanhala | ||
| 5 | Contact: Matti Aaltonen (matti.j.aaltonen at nokia.com) | ||
| 6 | |||
| 7 | General | ||
| 8 | ------- | ||
| 9 | |||
| 10 | The PN544 is an integrated transmission module for contactless | ||
| 11 | communication. The driver goes under drives/nfc/ and is compiled as a | ||
| 12 | module named "pn544". It registers a misc device and creates a device | ||
| 13 | file named "/dev/pn544". | ||
| 14 | |||
| 15 | Host Interfaces: I2C, SPI and HSU, this driver supports currently only I2C. | ||
| 16 | |||
| 17 | The Interface | ||
| 18 | ------------- | ||
| 19 | |||
| 20 | The driver offers a sysfs interface for a hardware test and an IOCTL | ||
| 21 | interface for selecting between two operating modes. There are read, | ||
| 22 | write and poll functions for transferring messages. The two operating | ||
| 23 | modes are the normal (HCI) mode and the firmware update mode. | ||
| 24 | |||
| 25 | PN544 is controlled by sending messages from the userspace to the | ||
| 26 | chip. The main function of the driver is just to pass those messages | ||
| 27 | without caring about the message content. | ||
| 28 | |||
| 29 | |||
| 30 | Protocols | ||
| 31 | --------- | ||
| 32 | |||
| 33 | In the normal (HCI) mode and in the firmware update mode read and | ||
| 34 | write functions behave a bit differently because the message formats | ||
| 35 | or the protocols are different. | ||
| 36 | |||
| 37 | In the normal (HCI) mode the protocol used is derived from the ETSI | ||
| 38 | HCI specification. The firmware is updated using a specific protocol, | ||
| 39 | which is different from HCI. | ||
| 40 | |||
| 41 | HCI messages consist of an eight bit header and the message body. The | ||
| 42 | header contains the message length. Maximum size for an HCI message is | ||
| 43 | 33. In HCI mode sent messages are tested for a correct | ||
| 44 | checksum. Firmware update messages have the length in the second (MSB) | ||
| 45 | and third (LSB) bytes of the message. The maximum FW message length is | ||
| 46 | 1024 bytes. | ||
| 47 | |||
| 48 | For the ETSI HCI specification see | ||
| 49 | http://www.etsi.org/WebSite/Technologies/ProtocolSpecification.aspx | ||
| 50 | |||
| 51 | The Hardware Test | ||
| 52 | ----------------- | ||
| 53 | |||
| 54 | The idea of the test is that it can performed by reading from the | ||
| 55 | corresponding sysfs file. The test is implemented in the board file | ||
| 56 | and it should test that PN544 can be put into the firmware update | ||
| 57 | mode. If the test is not implemented the sysfs file does not get | ||
| 58 | created. | ||
| 59 | |||
| 60 | Example: | ||
| 61 | > cat /sys/module/pn544/drivers/i2c\:pn544/3-002b/nfc_test | ||
| 62 | 1 | ||
| 63 | |||
| 64 | Normal Operation | ||
| 65 | ---------------- | ||
| 66 | |||
| 67 | PN544 is powered up when the device file is opened, otherwise it's | ||
| 68 | turned off. Only one instance can use the device at a time. | ||
| 69 | |||
| 70 | Userspace applications control PN544 with HCI messages. The hardware | ||
| 71 | sends an interrupt when data is available for reading. Data is | ||
| 72 | physically read when the read function is called by a userspace | ||
| 73 | application. Poll() checks the read interrupt state. Configuration and | ||
| 74 | self testing are also done from the userspace using read and write. | ||
| 75 | |||
| 76 | Example platform data: | ||
| 77 | |||
| 78 | static int rx71_pn544_nfc_request_resources(struct i2c_client *client) | ||
| 79 | { | ||
| 80 | /* Get and setup the HW resources for the device */ | ||
| 81 | } | ||
| 82 | |||
| 83 | static void rx71_pn544_nfc_free_resources(void) | ||
| 84 | { | ||
| 85 | /* Release the HW resources */ | ||
| 86 | } | ||
| 87 | |||
| 88 | static void rx71_pn544_nfc_enable(int fw) | ||
| 89 | { | ||
| 90 | /* Turn the device on */ | ||
| 91 | } | ||
| 92 | |||
| 93 | static int rx71_pn544_nfc_test(void) | ||
| 94 | { | ||
| 95 | /* | ||
| 96 | * Put the device into the FW update mode | ||
| 97 | * and then back to the normal mode. | ||
| 98 | * Check the behavior and return one on success, | ||
| 99 | * zero on failure. | ||
| 100 | */ | ||
| 101 | } | ||
| 102 | |||
| 103 | static void rx71_pn544_nfc_disable(void) | ||
| 104 | { | ||
| 105 | /* turn the power off */ | ||
| 106 | } | ||
| 107 | |||
| 108 | static struct pn544_nfc_platform_data rx71_nfc_data = { | ||
| 109 | .request_resources = rx71_pn544_nfc_request_resources, | ||
| 110 | .free_resources = rx71_pn544_nfc_free_resources, | ||
| 111 | .enable = rx71_pn544_nfc_enable, | ||
| 112 | .test = rx71_pn544_nfc_test, | ||
| 113 | .disable = rx71_pn544_nfc_disable, | ||
| 114 | }; | ||
| @@ -23,10 +23,10 @@ Once you have resolved the suspend/resume-related problems with your test system · 22 unmodified lines | |||
| 23 | without the new driver, you are ready to test it: | 23 | without the new driver, you are ready to test it: |
| 24 | 24 | ||
| 25 | a) Build the driver as a module, load it and try the test modes of hibernation | 25 | a) Build the driver as a module, load it and try the test modes of hibernation |
| 26 | (see: Documents/power/basic-pm-debugging.txt, 1). | 26 | (see: Documentation/power/basic-pm-debugging.txt, 1). |
| 27 | 27 | ||
| 28 | b) Load the driver and attempt to hibernate in the "reboot", "shutdown" and | 28 | b) Load the driver and attempt to hibernate in the "reboot", "shutdown" and |
| 29 | "platform" modes (see: Documents/power/basic-pm-debugging.txt, 1). | 29 | "platform" modes (see: Documentation/power/basic-pm-debugging.txt, 1). |
| 30 | 30 | ||
| 31 | c) Compile the driver directly into the kernel and try the test modes of | 31 | c) Compile the driver directly into the kernel and try the test modes of |
| 32 | hibernation. | 32 | hibernation. |
| @@ -34,12 +34,12 @@ c) Compile the driver directly into the kernel and try the test modes of · 1 unmodified line | |||
| 34 | d) Attempt to hibernate with the driver compiled directly into the kernel | 34 | d) Attempt to hibernate with the driver compiled directly into the kernel |
| 35 | in the "reboot", "shutdown" and "platform" modes. | 35 | in the "reboot", "shutdown" and "platform" modes. |
| 36 | 36 | ||
| 37 | e) Try the test modes of suspend (see: Documents/power/basic-pm-debugging.txt, | 37 | e) Try the test modes of suspend (see: Documentation/power/basic-pm-debugging.txt, |
| 38 | 2). [As far as the STR tests are concerned, it should not matter whether or | 38 | 2). [As far as the STR tests are concerned, it should not matter whether or |
| 39 | not the driver is built as a module.] | 39 | not the driver is built as a module.] |
| 40 | 40 | ||
| 41 | f) Attempt to suspend to RAM using the s2ram tool with the driver loaded | 41 | f) Attempt to suspend to RAM using the s2ram tool with the driver loaded |
| 42 | (see: Documents/power/basic-pm-debugging.txt, 2). | 42 | (see: Documentation/power/basic-pm-debugging.txt, 2). |
| 43 | 43 | ||
| 44 | Each of the above tests should be repeated several times and the STD tests | 44 | Each of the above tests should be repeated several times and the STD tests |
| 45 | should be mixed with the STR tests. If any of them fails, the driver cannot be | 45 | should be mixed with the STR tests. If any of them fails, the driver cannot be |
| @@ -50,6 +50,15 @@ type's callbacks are not defined) of given device. The bus type, device type · 49 unmodified lines | |||
| 50 | and device class callbacks are referred to as subsystem-level callbacks in what | 50 | and device class callbacks are referred to as subsystem-level callbacks in what |
| 51 | follows. | 51 | follows. |
| 52 | 52 | ||
| 53 | By default, the callbacks are always invoked in process context with interrupts | ||
| 54 | enabled. However, subsystems can use the pm_runtime_irq_safe() helper function | ||
| 55 | to tell the PM core that a device's ->runtime_suspend() and ->runtime_resume() | ||
| 56 | callbacks should be invoked in atomic context with interrupts disabled | ||
| 57 | (->runtime_idle() is still invoked the default way). This implies that these | ||
| 58 | callback routines must not block or sleep, but it also means that the | ||
| 59 | synchronous helper functions listed at the end of Section 4 can be used within | ||
| 60 | an interrupt handler or in an atomic context. | ||
| 61 | |||
| 53 | The subsystem-level suspend callback is _entirely_ _responsible_ for handling | 62 | The subsystem-level suspend callback is _entirely_ _responsible_ for handling |
| 54 | the suspend of the device as appropriate, which may, but need not include | 63 | the suspend of the device as appropriate, which may, but need not include |
| 55 | executing the device driver's own ->runtime_suspend() callback (from the | 64 | executing the device driver's own ->runtime_suspend() callback (from the |
| @@ -237,6 +246,10 @@ defined in include/linux/pm.h: · 181 unmodified lines | |||
| 237 | Section 8); it may be modified only by the pm_runtime_no_callbacks() | 246 | Section 8); it may be modified only by the pm_runtime_no_callbacks() |
| 238 | helper function | 247 | helper function |
| 239 | 248 | ||
| 249 | unsigned int irq_safe; | ||
| 250 | - indicates that the ->runtime_suspend() and ->runtime_resume() callbacks | ||
| 251 | will be invoked with the spinlock held and interrupts disabled | ||
| 252 | |||
| 240 | unsigned int use_autosuspend; | 253 | unsigned int use_autosuspend; |
| 241 | - indicates that the device's driver supports delayed autosuspend (see | 254 | - indicates that the device's driver supports delayed autosuspend (see |
| 242 | Section 9); it may be modified only by the | 255 | Section 9); it may be modified only by the |
| @@ -344,6 +357,10 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h: · 101 unmodified lines | |||
| 344 | - decrement the device's usage counter; if the result is 0 then run | 357 | - decrement the device's usage counter; if the result is 0 then run |
| 345 | pm_runtime_idle(dev) and return its result | 358 | pm_runtime_idle(dev) and return its result |
| 346 | 359 | ||
| 360 | int pm_runtime_put_sync_suspend(struct device *dev); | ||
| 361 | - decrement the device's usage counter; if the result is 0 then run | ||
| 362 | pm_runtime_suspend(dev) and return its result | ||
| 363 | |||
| 347 | int pm_runtime_put_sync_autosuspend(struct device *dev); | 364 | int pm_runtime_put_sync_autosuspend(struct device *dev); |
| 348 | - decrement the device's usage counter; if the result is 0 then run | 365 | - decrement the device's usage counter; if the result is 0 then run |
| 349 | pm_runtime_autosuspend(dev) and return its result | 366 | pm_runtime_autosuspend(dev) and return its result |
| @@ -397,6 +414,11 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h: · 47 unmodified lines | |||
| 397 | PM attributes from /sys/devices/.../power (or prevent them from being | 414 | PM attributes from /sys/devices/.../power (or prevent them from being |
| 398 | added when the device is registered) | 415 | added when the device is registered) |
| 399 | 416 | ||
| 417 | void pm_runtime_irq_safe(struct device *dev); | ||
| 418 | - set the power.irq_safe flag for the device, causing the runtime-PM | ||
| 419 | suspend and resume callbacks (but not the idle callback) to be invoked | ||
| 420 | with interrupts disabled | ||
| 421 | |||
| 400 | void pm_runtime_mark_last_busy(struct device *dev); | 422 | void pm_runtime_mark_last_busy(struct device *dev); |
| 401 | - set the power.last_busy field to the current time | 423 | - set the power.last_busy field to the current time |
| 402 | 424 | ||
| @@ -438,6 +460,15 @@ pm_runtime_suspended() · 35 unmodified lines | |||
| 438 | pm_runtime_mark_last_busy() | 460 | pm_runtime_mark_last_busy() |
| 439 | pm_runtime_autosuspend_expiration() | 461 | pm_runtime_autosuspend_expiration() |
| 440 | 462 | ||
| 463 | If pm_runtime_irq_safe() has been called for a device then the following helper | ||
| 464 | functions may also be used in interrupt context: | ||
| 465 | |||
| 466 | pm_runtime_suspend() | ||
| 467 | pm_runtime_autosuspend() | ||
| 468 | pm_runtime_resume() | ||
| 469 | pm_runtime_get_sync() | ||
| 470 | pm_runtime_put_sync_suspend() | ||
| 471 | |||
| 441 | 5. Run-time PM Initialization, Device Probing and Removal | 472 | 5. Run-time PM Initialization, Device Probing and Removal |
| 442 | 473 | ||
| 443 | Initially, the run-time PM is disabled for all devices, which means that the | 474 | Initially, the run-time PM is disabled for all devices, which means that the |
| @@ -170,3 +170,49 @@ and the run ppstest as follow: · 169 unmodified lines | |||
| 170 | 170 | ||
| 171 | Please, note that to compile userland programs you need the file timepps.h | 171 | Please, note that to compile userland programs you need the file timepps.h |
| 172 | (see Documentation/pps/). | 172 | (see Documentation/pps/). |
| 173 | |||
| 174 | |||
| 175 | Generators | ||
| 176 | ---------- | ||
| 177 | |||
| 178 | Sometimes one needs to be able not only to catch PPS signals but to produce | ||
| 179 | them also. For example, running a distributed simulation, which requires | ||
| 180 | computers' clock to be synchronized very tightly. One way to do this is to | ||
| 181 | invent some complicated hardware solutions but it may be neither necessary | ||
| 182 | nor affordable. The cheap way is to load a PPS generator on one of the | ||
| 183 | computers (master) and PPS clients on others (slaves), and use very simple | ||
| 184 | cables to deliver signals using parallel ports, for example. | ||
| 185 | |||
| 186 | Parallel port cable pinout: | ||
| 187 | pin name master slave | ||
| 188 | 1 STROBE *------ * | ||
| 189 | 2 D0 * | * | ||
| 190 | 3 D1 * | * | ||
| 191 | 4 D2 * | * | ||
| 192 | 5 D3 * | * | ||
| 193 | 6 D4 * | * | ||
| 194 | 7 D5 * | * | ||
| 195 | 8 D6 * | * | ||
| 196 | 9 D7 * | * | ||
| 197 | 10 ACK * ------* | ||
| 198 | 11 BUSY * * | ||
| 199 | 12 PE * * | ||
| 200 | 13 SEL * * | ||
| 201 | 14 AUTOFD * * | ||
| 202 | 15 ERROR * * | ||
| 203 | 16 INIT * * | ||
| 204 | 17 SELIN * * | ||
| 205 | 18-25 GND *-----------* | ||
| 206 | |||
| 207 | Please note that parallel port interrupt occurs only on high->low transition, | ||
| 208 | so it is used for PPS assert edge. PPS clear edge can be determined only | ||
| 209 | using polling in the interrupt handler which actually can be done way more | ||
| 210 | precisely because interrupt handling delays can be quite big and random. So | ||
| 211 | current parport PPS generator implementation (pps_gen_parport module) is | ||
| 212 | geared towards using the clear edge for time synchronization. | ||
| 213 | |||
| 214 | Clear edge polling is done with disabled interrupts so it's better to select | ||
| 215 | delay between assert and clear edge as small as possible to reduce system | ||
| 216 | latencies. But if it is too small slave won't be able to capture clear edge | ||
| 217 | transition. The default of 30us should be good enough in most situations. | ||
| 218 | The delay can be selected using 'delay' pps_gen_parport module parameter. | ||
| @@ -3,7 +3,7 @@ · 2 unmodified lines | |||
| 3 | sched-arch.txt | 3 | sched-arch.txt |
| 4 | - CPU Scheduler implementation hints for architecture specific code. | 4 | - CPU Scheduler implementation hints for architecture specific code. |
| 5 | sched-design-CFS.txt | 5 | sched-design-CFS.txt |
| 6 | - goals, design and implementation of the Complete Fair Scheduler. | 6 | - goals, design and implementation of the Completely Fair Scheduler. |
| 7 | sched-domains.txt | 7 | sched-domains.txt |
| 8 | - information on scheduling domains. | 8 | - information on scheduling domains. |
| 9 | sched-nice-design.txt | 9 | sched-nice-design.txt |
| @@ -1,3 +1,7 @@ | |||
| 1 | Version 15 of schedstats dropped counters for some sched_yield: | ||
| 2 | yld_exp_empty, yld_act_empty and yld_both_empty. Otherwise, it is | ||
| 3 | identical to version 14. | ||
| 4 | |||
| 1 | Version 14 of schedstats includes support for sched_domains, which hit the | 5 | Version 14 of schedstats includes support for sched_domains, which hit the |
| 2 | mainline kernel in 2.6.20 although it is identical to the stats from version | 6 | mainline kernel in 2.6.20 although it is identical to the stats from version |
| 3 | 12 which was in the kernel from 2.6.13-2.6.19 (version 13 never saw a kernel | 7 | 12 which was in the kernel from 2.6.13-2.6.19 (version 13 never saw a kernel |
| @@ -28,32 +32,25 @@ to write their own scripts, the fields are described here. · 24 unmodified lines | |||
| 28 | 32 | ||
| 29 | CPU statistics | 33 | CPU statistics |
| 30 | -------------- | 34 | -------------- |
| 31 | cpu<N> 1 2 3 4 5 6 7 8 9 10 11 12 | 35 | cpu<N> 1 2 3 4 5 6 7 8 9 |
| 32 | |||
| 33 | NOTE: In the sched_yield() statistics, the active queue is considered empty | ||
| 34 | if it has only one process in it, since obviously the process calling | ||
| 35 | sched_yield() is that process. | ||
| 36 | 36 | ||
| 37 | First four fields are sched_yield() statistics: | 37 | First field is a sched_yield() statistic: |
| 38 | 1) # of times both the active and the expired queue were empty | 38 | 1) # of times sched_yield() was called |
| 39 | 2) # of times just the active queue was empty | ||
| 40 | 3) # of times just the expired queue was empty | ||
| 41 | 4) # of times sched_yield() was called | ||
| 42 | 39 | ||
| 43 | Next three are schedule() statistics: | 40 | Next three are schedule() statistics: |
| 44 | 5) # of times we switched to the expired queue and reused it | 41 | 2) # of times we switched to the expired queue and reused it |
| 45 | 6) # of times schedule() was called | 42 | 3) # of times schedule() was called |
| 46 | 7) # of times schedule() left the processor idle | 43 | 4) # of times schedule() left the processor idle |
| 47 | 44 | ||
| 48 | Next two are try_to_wake_up() statistics: | 45 | Next two are try_to_wake_up() statistics: |
| 49 | 8) # of times try_to_wake_up() was called | 46 | 5) # of times try_to_wake_up() was called |
| 50 | 9) # of times try_to_wake_up() was called to wake up the local cpu | 47 | 6) # of times try_to_wake_up() was called to wake up the local cpu |
| 51 | 48 | ||
| 52 | Next three are statistics describing scheduling latency: | 49 | Next three are statistics describing scheduling latency: |
| 53 | 10) sum of all time spent running by tasks on this processor (in jiffies) | 50 | 7) sum of all time spent running by tasks on this processor (in jiffies) |
| 54 | 11) sum of all time spent waiting to run by tasks on this processor (in | 51 | 8) sum of all time spent waiting to run by tasks on this processor (in |
| 55 | jiffies) | 52 | jiffies) |
| 56 | 12) # of timeslices run on this cpu | 53 | 9) # of timeslices run on this cpu |
| 57 | 54 | ||
| 58 | 55 | ||
| 59 | Domain statistics | 56 | Domain statistics |
| @@ -573,7 +573,7 @@ Changes from 20041018 to 20041123 · 572 unmodified lines | |||
| 573 | * Backround nodev_timeout processing to DPC This enables us to | 573 | * Backround nodev_timeout processing to DPC This enables us to |
| 574 | unblock (stop dev_loss_tmo) when appopriate. | 574 | unblock (stop dev_loss_tmo) when appopriate. |
| 575 | * Fix array discovery with multiple luns. The max_luns was 0 at | 575 | * Fix array discovery with multiple luns. The max_luns was 0 at |
| 576 | the time the host structure was intialized. lpfc_cfg_params | 576 | the time the host structure was initialized. lpfc_cfg_params |
| 577 | then set the max_luns to the correct value afterwards. | 577 | then set the max_luns to the correct value afterwards. |
| 578 | * Remove unused define LPFC_MAX_LUN and set the default value of | 578 | * Remove unused define LPFC_MAX_LUN and set the default value of |
| 579 | lpfc_max_lun parameter to 512. | 579 | lpfc_max_lun parameter to 512. |
| @@ -1,3 +1,25 @@ | |||
| 1 | Release Date : Tues. Dec 14, 2010 17:00:00 PST 2010 - | ||
| 2 | (emaild-id:megaraidlinux@lsi.com) | ||
| 3 | Adam Radford | ||
| 4 | Current Version : 00.00.05.29-rc1 | ||
| 5 | Old Version : 00.00.04.31-rc1 | ||
| 6 | 1. Rename megaraid_sas.c to megaraid_sas_base.c. | ||
| 7 | 2. Update GPL headers. | ||
| 8 | 3. Add MSI-X support and 'msix_disable' module parameter. | ||
| 9 | 4. Use lowest memory bar (for SR-IOV VF support). | ||
| 10 | 5. Add struct megasas_instance_temlate changes, and change all code to use | ||
| 11 | new instance entries: | ||
| 12 | |||
| 13 | irqreturn_t (*service_isr )(int irq, void *devp); | ||
| 14 | void (*tasklet)(unsigned long); | ||
| 15 | u32 (*init_adapter)(struct megasas_instance *); | ||
| 16 | u32 (*build_and_issue_cmd) (struct megasas_instance *, | ||
| 17 | struct scsi_cmnd *); | ||
| 18 | void (*issue_dcmd) (struct megasas_instance *instance, | ||
| 19 | struct megasas_cmd *cmd); | ||
| 20 | |||
| 21 | 6. Add code to support MegaRAID 9265/9285 controllers device id (0x5b). | ||
| 22 | ------------------------------------------------------------------------------- | ||
| 1 | 1 Release Date : Thur. May 03, 2010 09:12:45 PST 2009 - | 23 | 1 Release Date : Thur. May 03, 2010 09:12:45 PST 2009 - |
| 2 | (emaild-id:megaraidlinux@lsi.com) | 24 | (emaild-id:megaraidlinux@lsi.com) |
| 3 | Bo Yang | 25 | Bo Yang |
| @@ -14,6 +14,8 @@ riscom8.txt · 13 unmodified lines | |||
| 14 | - notes on using the RISCom/8 multi-port serial driver. | 14 | - notes on using the RISCom/8 multi-port serial driver. |
| 15 | rocket.txt | 15 | rocket.txt |
| 16 | - info on the Comtrol RocketPort multiport serial driver. | 16 | - info on the Comtrol RocketPort multiport serial driver. |
| 17 | serial-rs485.txt | ||
| 18 | - info about RS485 structures and support in the kernel. | ||
| 17 | specialix.txt | 19 | specialix.txt |
| 18 | - info on hardware/driver for specialix IO8+ multiport serial card. | 20 | - info on hardware/driver for specialix IO8+ multiport serial card. |
| 19 | stallion.txt | 21 | stallion.txt |
| @@ -0,0 +1,120 @@ | |||
| 1 | RS485 SERIAL COMMUNICATIONS | ||
| 2 | |||
| 3 | 1. INTRODUCTION | ||
| 4 | |||
| 5 | EIA-485, also known as TIA/EIA-485 or RS-485, is a standard defining the | ||
| 6 | electrical characteristics of drivers and receivers for use in balanced | ||
| 7 | digital multipoint systems. | ||
| 8 | This standard is widely used for communications in industrial automation | ||
| 9 | because it can be used effectively over long distances and in electrically | ||
| 10 | noisy environments. | ||
| 11 | |||
| 12 | 2. HARDWARE-RELATED CONSIDERATIONS | ||
| 13 | |||
| 14 | Some CPUs/UARTs (e.g., Atmel AT91 or 16C950 UART) contain a built-in | ||
| 15 | half-duplex mode capable of automatically controlling line direction by | ||
| 16 | toggling RTS or DTR signals. That can be used to control external | ||
| 17 | half-duplex hardware like an RS485 transceiver or any RS232-connected | ||
| 18 | half-duplex devices like some modems. | ||
| 19 | |||
| 20 | For these microcontrollers, the Linux driver should be made capable of | ||
| 21 | working in both modes, and proper ioctls (see later) should be made | ||
| 22 | available at user-level to allow switching from one mode to the other, and | ||
| 23 | vice versa. | ||
| 24 | |||
| 25 | 3. DATA STRUCTURES ALREADY AVAILABLE IN THE KERNEL | ||
| 26 | |||
| 27 | The Linux kernel provides the serial_rs485 structure (see [1]) to handle | ||
| 28 | RS485 communications. This data structure is used to set and configure RS485 | ||
| 29 | parameters in the platform data and in ioctls. | ||
| 30 | |||
| 31 | Any driver for devices capable of working both as RS232 and RS485 should | ||
| 32 | provide at least the following ioctls: | ||
| 33 | |||
| 34 | - TIOCSRS485 (typically associated with number 0x542F). This ioctl is used | ||
| 35 | to enable/disable RS485 mode from user-space | ||
| 36 | |||
| 37 | - TIOCGRS485 (typically associated with number 0x542E). This ioctl is used | ||
| 38 | to get RS485 mode from kernel-space (i.e., driver) to user-space. | ||
| 39 | |||
| 40 | In other words, the serial driver should contain a code similar to the next | ||
| 41 | one: | ||
| 42 | |||
| 43 | static struct uart_ops atmel_pops = { | ||
| 44 | /* ... */ | ||
| 45 | .ioctl = handle_ioctl, | ||
| 46 | }; | ||
| 47 | |||
| 48 | static int handle_ioctl(struct uart_port *port, | ||
| 49 | unsigned int cmd, | ||
| 50 | unsigned long arg) | ||
| 51 | { | ||
| 52 | struct serial_rs485 rs485conf; | ||
| 53 | |||
| 54 | switch (cmd) { | ||
| 55 | case TIOCSRS485: | ||
| 56 | if (copy_from_user(&rs485conf, | ||
| 57 | (struct serial_rs485 *) arg, | ||
| 58 | sizeof(rs485conf))) | ||
| 59 | return -EFAULT; | ||
| 60 | |||
| 61 | /* ... */ | ||
| 62 | break; | ||
| 63 | |||
| 64 | case TIOCGRS485: | ||
| 65 | if (copy_to_user((struct serial_rs485 *) arg, | ||
| 66 | ..., | ||
| 67 | sizeof(rs485conf))) | ||
| 68 | return -EFAULT; | ||
| 69 | /* ... */ | ||
| 70 | break; | ||
| 71 | |||
| 72 | /* ... */ | ||
| 73 | } | ||
| 74 | } | ||
| 75 | |||
| 76 | |||
| 77 | 4. USAGE FROM USER-LEVEL | ||
| 78 | |||
| 79 | From user-level, RS485 configuration can be get/set using the previous | ||
| 80 | ioctls. For instance, to set RS485 you can use the following code: | ||
| 81 | |||
| 82 | #include <linux/serial.h> | ||
| 83 | |||
| 84 | /* Driver-specific ioctls: */ | ||
| 85 | #define TIOCGRS485 0x542E | ||
| 86 | #define TIOCSRS485 0x542F | ||
| 87 | |||
| 88 | /* Open your specific device (e.g., /dev/mydevice): */ | ||
| 89 | int fd = open ("/dev/mydevice", O_RDWR); | ||
| 90 | if (fd < 0) { | ||
| 91 | /* Error handling. See errno. */ | ||
| 92 | } | ||
| 93 | |||
| 94 | struct serial_rs485 rs485conf; | ||
| 95 | |||
| 96 | /* Set RS485 mode: */ | ||
| 97 | rs485conf.flags |= SER_RS485_ENABLED; | ||
| 98 | |||
| 99 | /* Set rts delay before send, if needed: */ | ||
| 100 | rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND; | ||
| 101 | rs485conf.delay_rts_before_send = ...; | ||
| 102 | |||
| 103 | /* Set rts delay after send, if needed: */ | ||
| 104 | rs485conf.flags |= SER_RS485_RTS_AFTER_SEND; | ||
| 105 | rs485conf.delay_rts_after_send = ...; | ||
| 106 | |||
| 107 | if (ioctl (fd, TIOCSRS485, &rs485conf) < 0) { | ||
| 108 | /* Error handling. See errno. */ | ||
| 109 | } | ||
| 110 | |||
| 111 | /* Use read() and write() syscalls here... */ | ||
| 112 | |||
| 113 | /* Close the device when finished: */ | ||
| 114 | if (close (fd) < 0) { | ||
| 115 | /* Error handling. See errno. */ | ||
| 116 | } | ||
| 117 | |||
| 118 | 5. REFERENCES | ||
| 119 | |||
| 120 | [1] include/linux/serial.h | ||
| @@ -107,7 +107,7 @@ write_wakeup() - May be called at any point between open and close. · 106 unmodified lines | |||
| 107 | 107 | ||
| 108 | dcd_change() - Report to the tty line the current DCD pin status | 108 | dcd_change() - Report to the tty line the current DCD pin status |
| 109 | changes and the relative timestamp. The timestamp | 109 | changes and the relative timestamp. The timestamp |
| 110 | can be NULL. | 110 | cannot be NULL. |
| 111 | 111 | ||
| 112 | 112 | ||
| 113 | Driver Access | 113 | Driver Access |
| @@ -974,13 +974,6 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. · 973 unmodified lines | |||
| 974 | 974 | ||
| 975 | See hdspm.txt for details. | 975 | See hdspm.txt for details. |
| 976 | 976 | ||
| 977 | Module snd-hifier | ||
| 978 | ----------------- | ||
| 979 | |||
| 980 | Module for the MediaTek/TempoTec HiFier Fantasia sound card. | ||
| 981 | |||
| 982 | This module supports autoprobe and multiple cards. | ||
| 983 | |||
| 984 | Module snd-ice1712 | 977 | Module snd-ice1712 |
| 985 | ------------------ | 978 | ------------------ |
| 986 | 979 | ||
| @@ -1531,15 +1524,20 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. · 544 unmodified lines | |||
| 1531 | Module snd-oxygen | 1524 | Module snd-oxygen |
| 1532 | ----------------- | 1525 | ----------------- |
| 1533 | 1526 | ||
| 1534 | Module for sound cards based on the C-Media CMI8788 chip: | 1527 | Module for sound cards based on the C-Media CMI8786/8787/8788 chip: |
| 1535 | * Asound A-8788 | 1528 | * Asound A-8788 |
| 1529 | * Asus Xonar DG | ||
| 1536 | * AuzenTech X-Meridian | 1530 | * AuzenTech X-Meridian |
| 1531 | * AuzenTech X-Meridian 2G | ||
| 1537 | * Bgears b-Enspirer | 1532 | * Bgears b-Enspirer |
| 1538 | * Club3D Theatron DTS | 1533 | * Club3D Theatron DTS |
| 1539 | * HT-Omega Claro (plus) | 1534 | * HT-Omega Claro (plus) |
| 1540 | * HT-Omega Claro halo (XT) | 1535 | * HT-Omega Claro halo (XT) |
| 1536 | * Kuroutoshikou CMI8787-HG2PCI | ||
| 1541 | * Razer Barracuda AC-1 | 1537 | * Razer Barracuda AC-1 |
| 1542 | * Sondigo Inferno | 1538 | * Sondigo Inferno |
| 1539 | * TempoTec HiFier Fantasia | ||
| 1540 | * TempoTec HiFier Serenade | ||
| 1543 | 1541 | ||
| 1544 | This module supports autoprobe and multiple cards. | 1542 | This module supports autoprobe and multiple cards. |
| 1545 | 1543 | ||
| @@ -2006,9 +2004,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. · 460 unmodified lines | |||
| 2006 | Module snd-virtuoso | 2004 | Module snd-virtuoso |
| 2007 | ------------------- | 2005 | ------------------- |
| 2008 | 2006 | ||
| 2009 | Module for sound cards based on the Asus AV100/AV200 chips, | 2007 | Module for sound cards based on the Asus AV66/AV100/AV200 chips, |
| 2010 | i.e., Xonar D1, DX, D2, D2X, DS, HDAV1.3 (Deluxe), Essence ST | 2008 | i.e., Xonar D1, DX, D2, D2X, DS, Essence ST (Deluxe), Essence STX, |
| 2011 | (Deluxe) and Essence STX. | 2009 | HDAV1.3 (Deluxe), and HDAV1.3 Slim. |
| 2012 | 2010 | ||
| 2013 | This module supports autoprobe and multiple cards. | 2011 | This module supports autoprobe and multiple cards. |
| 2014 | 2012 | ||
| @@ -149,7 +149,6 @@ ALC882/883/885/888/889 · 148 unmodified lines | |||
| 149 | acer-aspire-7730g Acer Aspire 7730G | 149 | acer-aspire-7730g Acer Aspire 7730G |
| 150 | acer-aspire-8930g Acer Aspire 8930G | 150 | acer-aspire-8930g Acer Aspire 8930G |
| 151 | medion Medion Laptops | 151 | medion Medion Laptops |
| 152 | medion-md2 Medion MD2 | ||
| 153 | targa-dig Targa/MSI | 152 | targa-dig Targa/MSI |
| 154 | targa-2ch-dig Targa/MSI with 2-channel | 153 | targa-2ch-dig Targa/MSI with 2-channel |
| 155 | targa-8ch-dig Targa/MSI with 8-channel (MSI GX620) | 154 | targa-8ch-dig Targa/MSI with 8-channel (MSI GX620) |
| @@ -297,6 +296,7 @@ Conexant 5066 · 141 unmodified lines | |||
| 297 | ============= | 296 | ============= |
| 298 | laptop Basic Laptop config (default) | 297 | laptop Basic Laptop config (default) |
| 299 | hp-laptop HP laptops, e g G60 | 298 | hp-laptop HP laptops, e g G60 |
| 299 | asus Asus K52JU, Lenovo G560 | ||
| 300 | dell-laptop Dell laptops | 300 | dell-laptop Dell laptops |
| 301 | dell-vostro Dell Vostro | 301 | dell-vostro Dell Vostro |
| 302 | olpc-xo-1_5 OLPC XO 1.5 | 302 | olpc-xo-1_5 OLPC XO 1.5 |
| @@ -27,42 +27,38 @@ ASoC Codec driver breakdown · 26 unmodified lines | |||
| 27 | 27 | ||
| 28 | 1 - Codec DAI and PCM configuration | 28 | 1 - Codec DAI and PCM configuration |
| 29 | ----------------------------------- | 29 | ----------------------------------- |
| 30 | Each codec driver must have a struct snd_soc_codec_dai to define its DAI and | 30 | Each codec driver must have a struct snd_soc_dai_driver to define its DAI and |
| 31 | PCM capabilities and operations. This struct is exported so that it can be | 31 | PCM capabilities and operations. This struct is exported so that it can be |
| 32 | registered with the core by your machine driver. | 32 | registered with the core by your machine driver. |
| 33 | 33 | ||
| 34 | e.g. | 34 | e.g. |
| 35 | 35 | ||
| 36 | struct snd_soc_codec_dai wm8731_dai = { | 36 | static struct snd_soc_dai_ops wm8731_dai_ops = { |
| 37 | .name = "WM8731", | 37 | .prepare = wm8731_pcm_prepare, |
| 38 | /* playback capabilities */ | 38 | .hw_params = wm8731_hw_params, |
| 39 | .shutdown = wm8731_shutdown, | ||
| 40 | .digital_mute = wm8731_mute, | ||
| 41 | .set_sysclk = wm8731_set_dai_sysclk, | ||
| 42 | .set_fmt = wm8731_set_dai_fmt, | ||
| 43 | }; | ||
| 44 | |||
| 45 | struct snd_soc_dai_driver wm8731_dai = { | ||
| 46 | .name = "wm8731-hifi", | ||
| 39 | .playback = { | 47 | .playback = { |
| 40 | .stream_name = "Playback", | 48 | .stream_name = "Playback", |
| 41 | .channels_min = 1, | 49 | .channels_min = 1, |
| 42 | .channels_max = 2, | 50 | .channels_max = 2, |
| 43 | .rates = WM8731_RATES, | 51 | .rates = WM8731_RATES, |
| 44 | .formats = WM8731_FORMATS,}, | 52 | .formats = WM8731_FORMATS,}, |
| 45 | /* capture capabilities */ | ||
| 46 | .capture = { | 53 | .capture = { |
| 47 | .stream_name = "Capture", | 54 | .stream_name = "Capture", |
| 48 | .channels_min = 1, | 55 | .channels_min = 1, |
| 49 | .channels_max = 2, | 56 | .channels_max = 2, |
| 50 | .rates = WM8731_RATES, | 57 | .rates = WM8731_RATES, |
| 51 | .formats = WM8731_FORMATS,}, | 58 | .formats = WM8731_FORMATS,}, |
| 52 | /* pcm operations - see section 4 below */ | 59 | .ops = &wm8731_dai_ops, |
| 53 | .ops = { | 60 | .symmetric_rates = 1, |
| 54 | .prepare = wm8731_pcm_prepare, | ||
| 55 | .hw_params = wm8731_hw_params, | ||
| 56 | .shutdown = wm8731_shutdown, | ||
| 57 | }, | ||
| 58 | /* DAI operations - see DAI.txt */ | ||
| 59 | .dai_ops = { | ||
| 60 | .digital_mute = wm8731_mute, | ||
| 61 | .set_sysclk = wm8731_set_dai_sysclk, | ||
| 62 | .set_fmt = wm8731_set_dai_fmt, | ||
| 63 | } | ||
| 64 | }; | 61 | }; |
| 65 | EXPORT_SYMBOL_GPL(wm8731_dai); | ||
| 66 | 62 | ||
| 67 | 63 | ||
| 68 | 2 - Codec control IO | 64 | 2 - Codec control IO |
| @@ -186,13 +182,14 @@ when the mute is applied or freed. · 117 unmodified lines | |||
| 186 | 182 | ||
| 187 | i.e. | 183 | i.e. |
| 188 | 184 | ||
| 189 | static int wm8974_mute(struct snd_soc_codec *codec, | 185 | static int wm8974_mute(struct snd_soc_dai *dai, int mute) |
| 190 | struct snd_soc_codec_dai *dai, int mute) | ||
| 191 | { | 186 | { |
| 192 | u16 mute_reg = wm8974_read_reg_cache(codec, WM8974_DAC) & 0xffbf; | 187 | struct snd_soc_codec *codec = dai->codec; |
| 193 | if(mute) | 188 | u16 mute_reg = snd_soc_read(codec, WM8974_DAC) & 0xffbf; |
| 194 | wm8974_write(codec, WM8974_DAC, mute_reg | 0x40); | 189 | |
| 190 | if (mute) | ||
| 191 | snd_soc_write(codec, WM8974_DAC, mute_reg | 0x40); | ||
| 195 | else | 192 | else |
| 196 | wm8974_write(codec, WM8974_DAC, mute_reg); | 193 | snd_soc_write(codec, WM8974_DAC, mute_reg); |
| 197 | return 0; | 194 | return 0; |
| 198 | } | 195 | } |
| @@ -12,6 +12,8 @@ the following struct:- · 11 unmodified lines | |||
| 12 | struct snd_soc_card { | 12 | struct snd_soc_card { |
| 13 | char *name; | 13 | char *name; |
| 14 | 14 | ||
| 15 | ... | ||
| 16 | |||
| 15 | int (*probe)(struct platform_device *pdev); | 17 | int (*probe)(struct platform_device *pdev); |
| 16 | int (*remove)(struct platform_device *pdev); | 18 | int (*remove)(struct platform_device *pdev); |
| 17 | 19 | ||
| @@ -22,12 +24,13 @@ struct snd_soc_card { · 4 unmodified lines | |||
| 22 | int (*resume_pre)(struct platform_device *pdev); | 24 | int (*resume_pre)(struct platform_device *pdev); |
| 23 | int (*resume_post)(struct platform_device *pdev); | 25 | int (*resume_post)(struct platform_device *pdev); |
| 24 | 26 | ||
| 25 | /* machine stream operations */ | 27 | ... |
| 26 | struct snd_soc_ops *ops; | ||
| 27 | 28 | ||
| 28 | /* CPU <--> Codec DAI links */ | 29 | /* CPU <--> Codec DAI links */ |
| 29 | struct snd_soc_dai_link *dai_link; | 30 | struct snd_soc_dai_link *dai_link; |
| 30 | int num_links; | 31 | int num_links; |
| 32 | |||
| 33 | ... | ||
| 31 | }; | 34 | }; |
| 32 | 35 | ||
| 33 | probe()/remove() | 36 | probe()/remove() |
| @@ -42,11 +45,6 @@ of any machine audio tasks that have to be done before or after the codec, DAIs · 8 unmodified lines | |||
| 42 | and DMA is suspended and resumed. Optional. | 45 | and DMA is suspended and resumed. Optional. |
| 43 | 46 | ||
| 44 | 47 | ||
| 45 | Machine operations | ||
| 46 | ------------------ | ||
| 47 | The machine specific audio operations can be set here. Again this is optional. | ||
| 48 | |||
| 49 | |||
| 50 | Machine DAI Configuration | 48 | Machine DAI Configuration |
| 51 | ------------------------- | 49 | ------------------------- |
| 52 | The machine DAI configuration glues all the codec and CPU DAIs together. It can | 50 | The machine DAI configuration glues all the codec and CPU DAIs together. It can |
| @@ -61,8 +59,10 @@ struct snd_soc_dai_link is used to set up each DAI in your machine. e.g. · 8 unmodified lines | |||
| 61 | static struct snd_soc_dai_link corgi_dai = { | 59 | static struct snd_soc_dai_link corgi_dai = { |
| 62 | .name = "WM8731", | 60 | .name = "WM8731", |
| 63 | .stream_name = "WM8731", | 61 | .stream_name = "WM8731", |
| 64 | .cpu_dai = &pxa_i2s_dai, | 62 | .cpu_dai_name = "pxa-is2-dai", |
| 65 | .codec_dai = &wm8731_dai, | 63 | .codec_dai_name = "wm8731-hifi", |
| 64 | .platform_name = "pxa-pcm-audio", | ||
| 65 | .codec_name = "wm8713-codec.0-001a", | ||
| 66 | .init = corgi_wm8731_init, | 66 | .init = corgi_wm8731_init, |
| 67 | .ops = &corgi_ops, | 67 | .ops = &corgi_ops, |
| 68 | }; | 68 | }; |
| @@ -77,26 +77,6 @@ static struct snd_soc_card snd_soc_corgi = { · 8 unmodified lines | |||
| 77 | }; | 77 | }; |
| 78 | 78 | ||
| 79 | 79 | ||
| 80 | Machine Audio Subsystem | ||
| 81 | ----------------------- | ||
| 82 | |||
| 83 | The machine soc device glues the platform, machine and codec driver together. | ||
| 84 | Private data can also be set here. e.g. | ||
| 85 | |||
| 86 | /* corgi audio private data */ | ||
| 87 | static struct wm8731_setup_data corgi_wm8731_setup = { | ||
| 88 | .i2c_address = 0x1b, | ||
| 89 | }; | ||
| 90 | |||
| 91 | /* corgi audio subsystem */ | ||
| 92 | static struct snd_soc_device corgi_snd_devdata = { | ||
| 93 | .machine = &snd_soc_corgi, | ||
| 94 | .platform = &pxa2xx_soc_platform, | ||
| 95 | .codec_dev = &soc_codec_dev_wm8731, | ||
| 96 | .codec_data = &corgi_wm8731_setup, | ||
| 97 | }; | ||
| 98 | |||
| 99 | |||
| 100 | Machine Power Map | 80 | Machine Power Map |
| 101 | ----------------- | 81 | ----------------- |
| 102 | 82 | ||
| @@ -20,9 +20,10 @@ struct snd_soc_ops { · 19 unmodified lines | |||
| 20 | int (*trigger)(struct snd_pcm_substream *, int); | 20 | int (*trigger)(struct snd_pcm_substream *, int); |
| 21 | }; | 21 | }; |
| 22 | 22 | ||
| 23 | The platform driver exports its DMA functionality via struct snd_soc_platform:- | 23 | The platform driver exports its DMA functionality via struct |
| 24 | snd_soc_platform_driver:- | ||
| 24 | 25 | ||
| 25 | struct snd_soc_platform { | 26 | struct snd_soc_platform_driver { |
| 26 | char *name; | 27 | char *name; |
| 27 | 28 | ||
| 28 | int (*probe)(struct platform_device *pdev); | 29 | int (*probe)(struct platform_device *pdev); |
| @@ -34,6 +35,13 @@ struct snd_soc_platform { · 5 unmodified lines | |||
| 34 | int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, struct snd_pcm *); | 35 | int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, struct snd_pcm *); |
| 35 | void (*pcm_free)(struct snd_pcm *); | 36 | void (*pcm_free)(struct snd_pcm *); |
| 36 | 37 | ||
| 38 | /* | ||
| 39 | * For platform caused delay reporting. | ||
| 40 | * Optional. | ||
| 41 | */ | ||
| 42 | snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, | ||
| 43 | struct snd_soc_dai *); | ||
| 44 | |||
| 37 | /* platform stream ops */ | 45 | /* platform stream ops */ |
| 38 | struct snd_pcm_ops *pcm_ops; | 46 | struct snd_pcm_ops *pcm_ops; |
| 39 | }; | 47 | }; |
| @@ -19,7 +19,7 @@ Declaring PXA2xx Master Controllers · 18 unmodified lines | |||
| 19 | ----------------------------------- | 19 | ----------------------------------- |
| 20 | Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a | 20 | Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a |
| 21 | "platform device". The master configuration is passed to the driver via a table | 21 | "platform device". The master configuration is passed to the driver via a table |
| 22 | found in arch/arm/mach-pxa/include/mach/pxa2xx_spi.h: | 22 | found in include/linux/spi/pxa2xx_spi.h: |
| 23 | 23 | ||
| 24 | struct pxa2xx_spi_master { | 24 | struct pxa2xx_spi_master { |
| 25 | enum pxa_ssp_type ssp_type; | 25 | enum pxa_ssp_type ssp_type; |
| @@ -94,7 +94,7 @@ using the "spi_board_info" structure found in "linux/spi/spi.h". See · 68 unmodified lines | |||
| 94 | 94 | ||
| 95 | Each slave device attached to the PXA must provide slave specific configuration | 95 | Each slave device attached to the PXA must provide slave specific configuration |
| 96 | information via the structure "pxa2xx_spi_chip" found in | 96 | information via the structure "pxa2xx_spi_chip" found in |
| 97 | "arch/arm/mach-pxa/include/mach/pxa2xx_spi.h". The pxa2xx_spi master controller driver | 97 | "include/linux/spi/pxa2xx_spi.h". The pxa2xx_spi master controller driver |
| 98 | will uses the configuration whenever the driver communicates with the slave | 98 | will uses the configuration whenever the driver communicates with the slave |
| 99 | device. All fields are optional. | 99 | device. All fields are optional. |
| 100 | 100 | ||
| @@ -4,8 +4,6 @@ README · 3 unmodified lines | |||
| 4 | - general information about /proc/sys/ sysctl files. | 4 | - general information about /proc/sys/ sysctl files. |
| 5 | abi.txt | 5 | abi.txt |
| 6 | - documentation for /proc/sys/abi/*. | 6 | - documentation for /proc/sys/abi/*. |
| 7 | ctl_unnumbered.txt | ||
| 8 | - explanation of why one should not add new binary sysctl numbers. | ||
| 9 | fs.txt | 7 | fs.txt |
| 10 | - documentation for /proc/sys/fs/*. | 8 | - documentation for /proc/sys/fs/*. |
| 11 | kernel.txt | 9 | kernel.txt |
| @@ -34,6 +34,7 @@ show up in /proc/sys/kernel: · 33 unmodified lines | |||
| 34 | - hotplug | 34 | - hotplug |
| 35 | - java-appletviewer [ binfmt_java, obsolete ] | 35 | - java-appletviewer [ binfmt_java, obsolete ] |
| 36 | - java-interpreter [ binfmt_java, obsolete ] | 36 | - java-interpreter [ binfmt_java, obsolete ] |
| 37 | - kptr_restrict | ||
| 37 | - kstack_depth_to_print [ X86 only ] | 38 | - kstack_depth_to_print [ X86 only ] |
| 38 | - l2cr [ PPC only ] | 39 | - l2cr [ PPC only ] |
| 39 | - modprobe ==> Documentation/debugging-modules.txt | 40 | - modprobe ==> Documentation/debugging-modules.txt |
| @@ -219,7 +220,7 @@ dmesg_restrict: · 179 unmodified lines | |||
| 219 | This toggle indicates whether unprivileged users are prevented from using | 220 | This toggle indicates whether unprivileged users are prevented from using |
| 220 | dmesg(8) to view messages from the kernel's log buffer. When | 221 | dmesg(8) to view messages from the kernel's log buffer. When |
| 221 | dmesg_restrict is set to (0) there are no restrictions. When | 222 | dmesg_restrict is set to (0) there are no restrictions. When |
| 222 | dmesg_restrict is set set to (1), users must have CAP_SYS_ADMIN to use | 223 | dmesg_restrict is set set to (1), users must have CAP_SYSLOG to use |
| 223 | dmesg(8). | 224 | dmesg(8). |
| 224 | 225 | ||
| 225 | The kernel config option CONFIG_SECURITY_DMESG_RESTRICT sets the default | 226 | The kernel config option CONFIG_SECURITY_DMESG_RESTRICT sets the default |
| @@ -261,6 +262,19 @@ This flag controls the L2 cache of G3 processor boards. If · 35 unmodified lines | |||
| 261 | 262 | ||
| 262 | ============================================================== | 263 | ============================================================== |
| 263 | 264 | ||
| 265 | kptr_restrict: | ||
| 266 | |||
| 267 | This toggle indicates whether restrictions are placed on | ||
| 268 | exposing kernel addresses via /proc and other interfaces. When | ||
| 269 | kptr_restrict is set to (0), there are no restrictions. When | ||
| 270 | kptr_restrict is set to (1), the default, kernel pointers | ||
| 271 | printed using the %pK format specifier will be replaced with 0's | ||
| 272 | unless the user has CAP_SYSLOG. When kptr_restrict is set to | ||
| 273 | (2), kernel pointers printed using %pK will be replaced with 0's | ||
| 274 | regardless of privileges. | ||
| 275 | |||
| 276 | ============================================================== | ||
| 277 | |||
| 264 | kstack_depth_to_print: (X86 only) | 278 | kstack_depth_to_print: (X86 only) |
| 265 | 279 | ||
| 266 | Controls the number of words to print when dumping the raw | 280 | Controls the number of words to print when dumping the raw |
| @@ -0,0 +1,1094 @@ | |||
| 1 | #!/usr/bin/python | ||
| 2 | # The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD | ||
| 3 | # | ||
| 4 | # Copyright (c) 2010 Rising Tide Systems | ||
| 5 | # Copyright (c) 2010 Linux-iSCSI.org | ||
| 6 | # | ||
| 7 | # Author: nab@kernel.org | ||
| 8 | # | ||
| 9 | import os, sys | ||
| 10 | import subprocess as sub | ||
| 11 | import string | ||
| 12 | import re | ||
| 13 | import optparse | ||
| 14 | |||
| 15 | tcm_dir = "" | ||
| 16 | |||
| 17 | fabric_ops = [] | ||
| 18 | fabric_mod_dir = "" | ||
| 19 | fabric_mod_port = "" | ||
| 20 | fabric_mod_init_port = "" | ||
| 21 | |||
| 22 | def tcm_mod_err(msg): | ||
| 23 | print msg | ||
| 24 | sys.exit(1) | ||
| 25 | |||
| 26 | def tcm_mod_create_module_subdir(fabric_mod_dir_var): | ||
| 27 | |||
| 28 | if os.path.isdir(fabric_mod_dir_var) == True: | ||
| 29 | return 1 | ||
| 30 | |||
| 31 | print "Creating fabric_mod_dir: " + fabric_mod_dir_var | ||
| 32 | ret = os.mkdir(fabric_mod_dir_var) | ||
| 33 | if ret: | ||
| 34 | tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var) | ||
| 35 | |||
| 36 | return | ||
| 37 | |||
| 38 | def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name): | ||
| 39 | global fabric_mod_port | ||
| 40 | global fabric_mod_init_port | ||
| 41 | buf = "" | ||
| 42 | |||
| 43 | f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h" | ||
| 44 | print "Writing file: " + f | ||
| 45 | |||
| 46 | p = open(f, 'w'); | ||
| 47 | if not p: | ||
| 48 | tcm_mod_err("Unable to open file: " + f) | ||
| 49 | |||
| 50 | buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n" | ||
| 51 | buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n" | ||
| 52 | buf += "\n" | ||
| 53 | buf += "struct " + fabric_mod_name + "_nacl {\n" | ||
| 54 | buf += " /* Binary World Wide unique Port Name for FC Initiator Nport */\n" | ||
| 55 | buf += " u64 nport_wwpn;\n" | ||
| 56 | buf += " /* ASCII formatted WWPN for FC Initiator Nport */\n" | ||
| 57 | buf += " char nport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n" | ||
| 58 | buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n" | ||
| 59 | buf += " struct se_node_acl se_node_acl;\n" | ||
| 60 | buf += "};\n" | ||
| 61 | buf += "\n" | ||
| 62 | buf += "struct " + fabric_mod_name + "_tpg {\n" | ||
| 63 | buf += " /* FC lport target portal group tag for TCM */\n" | ||
| 64 | buf += " u16 lport_tpgt;\n" | ||
| 65 | buf += " /* Pointer back to " + fabric_mod_name + "_lport */\n" | ||
| 66 | buf += " struct " + fabric_mod_name + "_lport *lport;\n" | ||
| 67 | buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n" | ||
| 68 | buf += " struct se_portal_group se_tpg;\n" | ||
| 69 | buf += "};\n" | ||
| 70 | buf += "\n" | ||
| 71 | buf += "struct " + fabric_mod_name + "_lport {\n" | ||
| 72 | buf += " /* SCSI protocol the lport is providing */\n" | ||
| 73 | buf += " u8 lport_proto_id;\n" | ||
| 74 | buf += " /* Binary World Wide unique Port Name for FC Target Lport */\n" | ||
| 75 | buf += " u64 lport_wwpn;\n" | ||
| 76 | buf += " /* ASCII formatted WWPN for FC Target Lport */\n" | ||
| 77 | buf += " char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n" | ||
| 78 | buf += " /* Returned by " + fabric_mod_name + "_make_lport() */\n" | ||
| 79 | buf += " struct se_wwn lport_wwn;\n" | ||
| 80 | buf += "};\n" | ||
| 81 | |||
| 82 | ret = p.write(buf) | ||
| 83 | if ret: | ||
| 84 | tcm_mod_err("Unable to write f: " + f) | ||
| 85 | |||
| 86 | p.close() | ||
| 87 | |||
| 88 | fabric_mod_port = "lport" | ||
| 89 | fabric_mod_init_port = "nport" | ||
| 90 | |||
| 91 | return | ||
| 92 | |||
| 93 | def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name): | ||
| 94 | global fabric_mod_port | ||
| 95 | global fabric_mod_init_port | ||
| 96 | buf = "" | ||
| 97 | |||
| 98 | f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h" | ||
| 99 | print "Writing file: " + f | ||
| 100 | |||
| 101 | p = open(f, 'w'); | ||
| 102 | if not p: | ||
| 103 | tcm_mod_err("Unable to open file: " + f) | ||
| 104 | |||
| 105 | buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n" | ||
| 106 | buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n" | ||
| 107 | buf += "\n" | ||
| 108 | buf += "struct " + fabric_mod_name + "_nacl {\n" | ||
| 109 | buf += " /* Binary World Wide unique Port Name for SAS Initiator port */\n" | ||
| 110 | buf += " u64 iport_wwpn;\n" | ||
| 111 | buf += " /* ASCII formatted WWPN for Sas Initiator port */\n" | ||
| 112 | buf += " char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n" | ||
| 113 | buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n" | ||
| 114 | buf += " struct se_node_acl se_node_acl;\n" | ||
| 115 | buf += "};\n\n" | ||
| 116 | buf += "struct " + fabric_mod_name + "_tpg {\n" | ||
| 117 | buf += " /* SAS port target portal group tag for TCM */\n" | ||
| 118 | buf += " u16 tport_tpgt;\n" | ||
| 119 | buf += " /* Pointer back to " + fabric_mod_name + "_tport */\n" | ||
| 120 | buf += " struct " + fabric_mod_name + "_tport *tport;\n" | ||
| 121 | buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n" | ||
| 122 | buf += " struct se_portal_group se_tpg;\n" | ||
| 123 | buf += "};\n\n" | ||
| 124 | buf += "struct " + fabric_mod_name + "_tport {\n" | ||
| 125 | buf += " /* SCSI protocol the tport is providing */\n" | ||
| 126 | buf += " u8 tport_proto_id;\n" | ||
| 127 | buf += " /* Binary World Wide unique Port Name for SAS Target port */\n" | ||
| 128 | buf += " u64 tport_wwpn;\n" | ||
| 129 | buf += " /* ASCII formatted WWPN for SAS Target port */\n" | ||
| 130 | buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n" | ||
| 131 | buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n" | ||
| 132 | buf += " struct se_wwn tport_wwn;\n" | ||
| 133 | buf += "};\n" | ||
| 134 | |||
| 135 | ret = p.write(buf) | ||
| 136 | if ret: | ||
| 137 | tcm_mod_err("Unable to write f: " + f) | ||
| 138 | |||
| 139 | p.close() | ||
| 140 | |||
| 141 | fabric_mod_port = "tport" | ||
| 142 | fabric_mod_init_port = "iport" | ||
| 143 | |||
| 144 | return | ||
| 145 | |||
| 146 | def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name): | ||
| 147 | global fabric_mod_port | ||
| 148 | global fabric_mod_init_port | ||
| 149 | buf = "" | ||
| 150 | |||
| 151 | f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h" | ||
| 152 | print "Writing file: " + f | ||
| 153 | |||
| 154 | p = open(f, 'w'); | ||
| 155 | if not p: | ||
| 156 | tcm_mod_err("Unable to open file: " + f) | ||
| 157 | |||
| 158 | buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n" | ||
| 159 | buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n" | ||
| 160 | buf += "\n" | ||
| 161 | buf += "struct " + fabric_mod_name + "_nacl {\n" | ||
| 162 | buf += " /* ASCII formatted InitiatorName */\n" | ||
| 163 | buf += " char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n" | ||
| 164 | buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n" | ||
| 165 | buf += " struct se_node_acl se_node_acl;\n" | ||
| 166 | buf += "};\n\n" | ||
| 167 | buf += "struct " + fabric_mod_name + "_tpg {\n" | ||
| 168 | buf += " /* iSCSI target portal group tag for TCM */\n" | ||
| 169 | buf += " u16 tport_tpgt;\n" | ||
| 170 | buf += " /* Pointer back to " + fabric_mod_name + "_tport */\n" | ||
| 171 | buf += " struct " + fabric_mod_name + "_tport *tport;\n" | ||
| 172 | buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n" | ||
| 173 | buf += " struct se_portal_group se_tpg;\n" | ||
| 174 | buf += "};\n\n" | ||
| 175 | buf += "struct " + fabric_mod_name + "_tport {\n" | ||
| 176 | buf += " /* SCSI protocol the tport is providing */\n" | ||
| 177 | buf += " u8 tport_proto_id;\n" | ||
| 178 | buf += " /* ASCII formatted TargetName for IQN */\n" | ||
| 179 | buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n" | ||
| 180 | buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n" | ||
| 181 | buf += " struct se_wwn tport_wwn;\n" | ||
| 182 | buf += "};\n" | ||
| 183 | |||
| 184 | ret = p.write(buf) | ||
| 185 | if ret: | ||
| 186 | tcm_mod_err("Unable to write f: " + f) | ||
| 187 | |||
| 188 | p.close() | ||
| 189 | |||
| 190 | fabric_mod_port = "tport" | ||
| 191 | fabric_mod_init_port = "iport" | ||
| 192 | |||
| 193 | return | ||
| 194 | |||
| 195 | def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name): | ||
| 196 | |||
| 197 | if proto_ident == "FC": | ||
| 198 | tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name) | ||
| 199 | elif proto_ident == "SAS": | ||
| 200 | tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name) | ||
| 201 | elif proto_ident == "iSCSI": | ||
| 202 | tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name) | ||
| 203 | else: | ||
| 204 | print "Unsupported proto_ident: " + proto_ident | ||
| 205 | sys.exit(1) | ||
| 206 | |||
| 207 | return | ||
| 208 | |||
| 209 | def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): | ||
| 210 | buf = "" | ||
| 211 | |||
| 212 | f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c" | ||
| 213 | print "Writing file: " + f | ||
| 214 | |||
| 215 | p = open(f, 'w'); | ||
| 216 | if not p: | ||
| 217 | tcm_mod_err("Unable to open file: " + f) | ||
| 218 | |||
| 219 | buf = "#include <linux/module.h>\n" | ||
| 220 | buf += "#include <linux/moduleparam.h>\n" | ||
| 221 | buf += "#include <linux/version.h>\n" | ||
| 222 | buf += "#include <generated/utsrelease.h>\n" | ||
| 223 | buf += "#include <linux/utsname.h>\n" | ||
| 224 | buf += "#include <linux/init.h>\n" | ||
| 225 | buf += "#include <linux/slab.h>\n" | ||
| 226 | buf += "#include <linux/kthread.h>\n" | ||
| 227 | buf += "#include <linux/types.h>\n" | ||
| 228 | buf += "#include <linux/string.h>\n" | ||
| 229 | buf += "#include <linux/configfs.h>\n" | ||
| 230 | buf += "#include <linux/ctype.h>\n" | ||
| 231 | buf += "#include <asm/unaligned.h>\n\n" | ||
| 232 | buf += "#include <target/target_core_base.h>\n" | ||
| 233 | buf += "#include <target/target_core_transport.h>\n" | ||
| 234 | buf += "#include <target/target_core_fabric_ops.h>\n" | ||
| 235 | buf += "#include <target/target_core_fabric_configfs.h>\n" | ||
| 236 | buf += "#include <target/target_core_fabric_lib.h>\n" | ||
| 237 | buf += "#include <target/target_core_device.h>\n" | ||
| 238 | buf += "#include <target/target_core_tpg.h>\n" | ||
| 239 | buf += "#include <target/target_core_configfs.h>\n" | ||
| 240 | buf += "#include <target/target_core_base.h>\n" | ||
| 241 | buf += "#include <target/configfs_macros.h>\n\n" | ||
| 242 | buf += "#include <" + fabric_mod_name + "_base.h>\n" | ||
| 243 | buf += "#include <" + fabric_mod_name + "_fabric.h>\n\n" | ||
| 244 | |||
| 245 | buf += "/* Local pointer to allocated TCM configfs fabric module */\n" | ||
| 246 | buf += "struct target_fabric_configfs *" + fabric_mod_name + "_fabric_configfs;\n\n" | ||
| 247 | |||
| 248 | buf += "static struct se_node_acl *" + fabric_mod_name + "_make_nodeacl(\n" | ||
| 249 | buf += " struct se_portal_group *se_tpg,\n" | ||
| 250 | buf += " struct config_group *group,\n" | ||
| 251 | buf += " const char *name)\n" | ||
| 252 | buf += "{\n" | ||
| 253 | buf += " struct se_node_acl *se_nacl, *se_nacl_new;\n" | ||
| 254 | buf += " struct " + fabric_mod_name + "_nacl *nacl;\n" | ||
| 255 | |||
| 256 | if proto_ident == "FC" or proto_ident == "SAS": | ||
| 257 | buf += " u64 wwpn = 0;\n" | ||
| 258 | |||
| 259 | buf += " u32 nexus_depth;\n\n" | ||
| 260 | buf += " /* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n" | ||
| 261 | buf += " return ERR_PTR(-EINVAL); */\n" | ||
| 262 | buf += " se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n" | ||
| 263 | buf += " if (!(se_nacl_new))\n" | ||
| 264 | buf += " return ERR_PTR(-ENOMEM);\n" | ||
| 265 | buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n" | ||
| 266 | buf += " nexus_depth = 1;\n" | ||
| 267 | buf += " /*\n" | ||
| 268 | buf += " * se_nacl_new may be released by core_tpg_add_initiator_node_acl()\n" | ||
| 269 | buf += " * when converting a NodeACL from demo mode -> explict\n" | ||
| 270 | buf += " */\n" | ||
| 271 | buf += " se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,\n" | ||
| 272 | buf += " name, nexus_depth);\n" | ||
| 273 | buf += " if (IS_ERR(se_nacl)) {\n" | ||
| 274 | buf += " " + fabric_mod_name + "_release_fabric_acl(se_tpg, se_nacl_new);\n" | ||
| 275 | buf += " return se_nacl;\n" | ||
| 276 | buf += " }\n" | ||
| 277 | buf += " /*\n" | ||
| 278 | buf += " * Locate our struct " + fabric_mod_name + "_nacl and set the FC Nport WWPN\n" | ||
| 279 | buf += " */\n" | ||
| 280 | buf += " nacl = container_of(se_nacl, struct " + fabric_mod_name + "_nacl, se_node_acl);\n" | ||
| 281 | |||
| 282 | if proto_ident == "FC" or proto_ident == "SAS": | ||
| 283 | buf += " nacl->" + fabric_mod_init_port + "_wwpn = wwpn;\n" | ||
| 284 | |||
| 285 | buf += " /* " + fabric_mod_name + "_format_wwn(&nacl->" + fabric_mod_init_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n" | ||
| 286 | buf += " return se_nacl;\n" | ||
| 287 | buf += "}\n\n" | ||
| 288 | buf += "static void " + fabric_mod_name + "_drop_nodeacl(struct se_node_acl *se_acl)\n" | ||
| 289 | buf += "{\n" | ||
| 290 | buf += " struct " + fabric_mod_name + "_nacl *nacl = container_of(se_acl,\n" | ||
| 291 | buf += " struct " + fabric_mod_name + "_nacl, se_node_acl);\n" | ||
| 292 | buf += " kfree(nacl);\n" | ||
| 293 | buf += "}\n\n" | ||
| 294 | |||
| 295 | buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n" | ||
| 296 | buf += " struct se_wwn *wwn,\n" | ||
| 297 | buf += " struct config_group *group,\n" | ||
| 298 | buf += " const char *name)\n" | ||
| 299 | buf += "{\n" | ||
| 300 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n" | ||
| 301 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n" | ||
| 302 | buf += " struct " + fabric_mod_name + "_tpg *tpg;\n" | ||
| 303 | buf += " unsigned long tpgt;\n" | ||
| 304 | buf += " int ret;\n\n" | ||
| 305 | buf += " if (strstr(name, \"tpgt_\") != name)\n" | ||
| 306 | buf += " return ERR_PTR(-EINVAL);\n" | ||
| 307 | buf += " if (strict_strtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n" | ||
| 308 | buf += " return ERR_PTR(-EINVAL);\n\n" | ||
| 309 | buf += " tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n" | ||
| 310 | buf += " if (!(tpg)) {\n" | ||
| 311 | buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n" | ||
| 312 | buf += " return ERR_PTR(-ENOMEM);\n" | ||
| 313 | buf += " }\n" | ||
| 314 | buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n" | ||
| 315 | buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n" | ||
| 316 | buf += " ret = core_tpg_register(&" + fabric_mod_name + "_fabric_configfs->tf_ops, wwn,\n" | ||
| 317 | buf += " &tpg->se_tpg, (void *)tpg,\n" | ||
| 318 | buf += " TRANSPORT_TPG_TYPE_NORMAL);\n" | ||
| 319 | buf += " if (ret < 0) {\n" | ||
| 320 | buf += " kfree(tpg);\n" | ||
| 321 | buf += " return NULL;\n" | ||
| 322 | buf += " }\n" | ||
| 323 | buf += " return &tpg->se_tpg;\n" | ||
| 324 | buf += "}\n\n" | ||
| 325 | buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n" | ||
| 326 | buf += "{\n" | ||
| 327 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 328 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n\n" | ||
| 329 | buf += " core_tpg_deregister(se_tpg);\n" | ||
| 330 | buf += " kfree(tpg);\n" | ||
| 331 | buf += "}\n\n" | ||
| 332 | |||
| 333 | buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n" | ||
| 334 | buf += " struct target_fabric_configfs *tf,\n" | ||
| 335 | buf += " struct config_group *group,\n" | ||
| 336 | buf += " const char *name)\n" | ||
| 337 | buf += "{\n" | ||
| 338 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n" | ||
| 339 | |||
| 340 | if proto_ident == "FC" or proto_ident == "SAS": | ||
| 341 | buf += " u64 wwpn = 0;\n\n" | ||
| 342 | |||
| 343 | buf += " /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n" | ||
| 344 | buf += " return ERR_PTR(-EINVAL); */\n\n" | ||
| 345 | buf += " " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n" | ||
| 346 | buf += " if (!(" + fabric_mod_port + ")) {\n" | ||
| 347 | buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n" | ||
| 348 | buf += " return ERR_PTR(-ENOMEM);\n" | ||
| 349 | buf += " }\n" | ||
| 350 | |||
| 351 | if proto_ident == "FC" or proto_ident == "SAS": | ||
| 352 | buf += " " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n" | ||
| 353 | |||
| 354 | buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "__NAMELEN, wwpn); */\n\n" | ||
| 355 | buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n" | ||
| 356 | buf += "}\n\n" | ||
| 357 | buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n" | ||
| 358 | buf += "{\n" | ||
| 359 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n" | ||
| 360 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n" | ||
| 361 | buf += " kfree(" + fabric_mod_port + ");\n" | ||
| 362 | buf += "}\n\n" | ||
| 363 | buf += "static ssize_t " + fabric_mod_name + "_wwn_show_attr_version(\n" | ||
| 364 | buf += " struct target_fabric_configfs *tf,\n" | ||
| 365 | buf += " char *page)\n" | ||
| 366 | buf += "{\n" | ||
| 367 | buf += " return sprintf(page, \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n" | ||
| 368 | buf += " \"on \"UTS_RELEASE\"\\n\", " + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n" | ||
| 369 | buf += " utsname()->machine);\n" | ||
| 370 | buf += "}\n\n" | ||
| 371 | buf += "TF_WWN_ATTR_RO(" + fabric_mod_name + ", version);\n\n" | ||
| 372 | buf += "static struct configfs_attribute *" + fabric_mod_name + "_wwn_attrs[] = {\n" | ||
| 373 | buf += " &" + fabric_mod_name + "_wwn_version.attr,\n" | ||
| 374 | buf += " NULL,\n" | ||
| 375 | buf += "};\n\n" | ||
| 376 | |||
| 377 | buf += "static struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n" | ||
| 378 | buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n" | ||
| 379 | buf += " .get_fabric_proto_ident = " + fabric_mod_name + "_get_fabric_proto_ident,\n" | ||
| 380 | buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n" | ||
| 381 | buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n" | ||
| 382 | buf += " .tpg_get_default_depth = " + fabric_mod_name + "_get_default_depth,\n" | ||
| 383 | buf += " .tpg_get_pr_transport_id = " + fabric_mod_name + "_get_pr_transport_id,\n" | ||
| 384 | buf += " .tpg_get_pr_transport_id_len = " + fabric_mod_name + "_get_pr_transport_id_len,\n" | ||
| 385 | buf += " .tpg_parse_pr_out_transport_id = " + fabric_mod_name + "_parse_pr_out_transport_id,\n" | ||
| 386 | buf += " .tpg_check_demo_mode = " + fabric_mod_name + "_check_false,\n" | ||
| 387 | buf += " .tpg_check_demo_mode_cache = " + fabric_mod_name + "_check_true,\n" | ||
| 388 | buf += " .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n" | ||
| 389 | buf += " .tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n" | ||
| 390 | buf += " .tpg_alloc_fabric_acl = " + fabric_mod_name + "_alloc_fabric_acl,\n" | ||
| 391 | buf += " .tpg_release_fabric_acl = " + fabric_mod_name + "_release_fabric_acl,\n" | ||
| 392 | buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n" | ||
| 393 | buf += " .release_cmd_to_pool = " + fabric_mod_name + "_release_cmd,\n" | ||
| 394 | buf += " .release_cmd_direct = " + fabric_mod_name + "_release_cmd,\n" | ||
| 395 | buf += " .shutdown_session = " + fabric_mod_name + "_shutdown_session,\n" | ||
| 396 | buf += " .close_session = " + fabric_mod_name + "_close_session,\n" | ||
| 397 | buf += " .stop_session = " + fabric_mod_name + "_stop_session,\n" | ||
| 398 | buf += " .fall_back_to_erl0 = " + fabric_mod_name + "_reset_nexus,\n" | ||
| 399 | buf += " .sess_logged_in = " + fabric_mod_name + "_sess_logged_in,\n" | ||
| 400 | buf += " .sess_get_index = " + fabric_mod_name + "_sess_get_index,\n" | ||
| 401 | buf += " .sess_get_initiator_sid = NULL,\n" | ||
| 402 | buf += " .write_pending = " + fabric_mod_name + "_write_pending,\n" | ||
| 403 | buf += " .write_pending_status = " + fabric_mod_name + "_write_pending_status,\n" | ||
| 404 | buf += " .set_default_node_attributes = " + fabric_mod_name + "_set_default_node_attrs,\n" | ||
| 405 | buf += " .get_task_tag = " + fabric_mod_name + "_get_task_tag,\n" | ||
| 406 | buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n" | ||
| 407 | buf += " .new_cmd_failure = " + fabric_mod_name + "_new_cmd_failure,\n" | ||
| 408 | buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n" | ||
| 409 | buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n" | ||
| 410 | buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n" | ||
| 411 | buf += " .get_fabric_sense_len = " + fabric_mod_name + "_get_fabric_sense_len,\n" | ||
| 412 | buf += " .set_fabric_sense_len = " + fabric_mod_name + "_set_fabric_sense_len,\n" | ||
| 413 | buf += " .is_state_remove = " + fabric_mod_name + "_is_state_remove,\n" | ||
| 414 | buf += " .pack_lun = " + fabric_mod_name + "_pack_lun,\n" | ||
| 415 | buf += " /*\n" | ||
| 416 | buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n" | ||
| 417 | buf += " */\n" | ||
| 418 | buf += " .fabric_make_wwn = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n" | ||
| 419 | buf += " .fabric_drop_wwn = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n" | ||
| 420 | buf += " .fabric_make_tpg = " + fabric_mod_name + "_make_tpg,\n" | ||
| 421 | buf += " .fabric_drop_tpg = " + fabric_mod_name + "_drop_tpg,\n" | ||
| 422 | buf += " .fabric_post_link = NULL,\n" | ||
| 423 | buf += " .fabric_pre_unlink = NULL,\n" | ||
| 424 | buf += " .fabric_make_np = NULL,\n" | ||
| 425 | buf += " .fabric_drop_np = NULL,\n" | ||
| 426 | buf += " .fabric_make_nodeacl = " + fabric_mod_name + "_make_nodeacl,\n" | ||
| 427 | buf += " .fabric_drop_nodeacl = " + fabric_mod_name + "_drop_nodeacl,\n" | ||
| 428 | buf += "};\n\n" | ||
| 429 | |||
| 430 | buf += "static int " + fabric_mod_name + "_register_configfs(void)\n" | ||
| 431 | buf += "{\n" | ||
| 432 | buf += " struct target_fabric_configfs *fabric;\n" | ||
| 433 | buf += " int ret;\n\n" | ||
| 434 | buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n" | ||
| 435 | buf += " \" on \"UTS_RELEASE\"\\n\"," + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n" | ||
| 436 | buf += " utsname()->machine);\n" | ||
| 437 | buf += " /*\n" | ||
| 438 | buf += " * Register the top level struct config_item_type with TCM core\n" | ||
| 439 | buf += " */\n" | ||
| 440 | buf += " fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n" | ||
| 441 | buf += " if (!(fabric)) {\n" | ||
| 442 | buf += " printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n" | ||
| 443 | buf += " return -ENOMEM;\n" | ||
| 444 | buf += " }\n" | ||
| 445 | buf += " /*\n" | ||
| 446 | buf += " * Setup fabric->tf_ops from our local " + fabric_mod_name + "_ops\n" | ||
| 447 | buf += " */\n" | ||
| 448 | buf += " fabric->tf_ops = " + fabric_mod_name + "_ops;\n" | ||
| 449 | buf += " /*\n" | ||
| 450 | buf += " * Setup default attribute lists for various fabric->tf_cit_tmpl\n" | ||
| 451 | buf += " */\n" | ||
| 452 | buf += " TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = " + fabric_mod_name + "_wwn_attrs;\n" | ||
| 453 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = NULL;\n" | ||
| 454 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL;\n" | ||
| 455 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL;\n" | ||
| 456 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;\n" | ||
| 457 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL;\n" | ||
| 458 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;\n" | ||
| 459 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;\n" | ||
| 460 | buf += " TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;\n" | ||
| 461 | buf += " /*\n" | ||
| 462 | buf += " * Register the fabric for use within TCM\n" | ||
| 463 | buf += " */\n" | ||
| 464 | buf += " ret = target_fabric_configfs_register(fabric);\n" | ||
| 465 | buf += " if (ret < 0) {\n" | ||
| 466 | buf += " printk(KERN_ERR \"target_fabric_configfs_register() failed\"\n" | ||
| 467 | buf += " \" for " + fabric_mod_name.upper() + "\\n\");\n" | ||
| 468 | buf += " return ret;\n" | ||
| 469 | buf += " }\n" | ||
| 470 | buf += " /*\n" | ||
| 471 | buf += " * Setup our local pointer to *fabric\n" | ||
| 472 | buf += " */\n" | ||
| 473 | buf += " " + fabric_mod_name + "_fabric_configfs = fabric;\n" | ||
| 474 | buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + "[0] - Set fabric -> " + fabric_mod_name + "_fabric_configfs\\n\");\n" | ||
| 475 | buf += " return 0;\n" | ||
| 476 | buf += "};\n\n" | ||
| 477 | buf += "static void " + fabric_mod_name + "_deregister_configfs(void)\n" | ||
| 478 | buf += "{\n" | ||
| 479 | buf += " if (!(" + fabric_mod_name + "_fabric_configfs))\n" | ||
| 480 | buf += " return;\n\n" | ||
| 481 | buf += " target_fabric_configfs_deregister(" + fabric_mod_name + "_fabric_configfs);\n" | ||
| 482 | buf += " " + fabric_mod_name + "_fabric_configfs = NULL;\n" | ||
| 483 | buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + "[0] - Cleared " + fabric_mod_name + "_fabric_configfs\\n\");\n" | ||
| 484 | buf += "};\n\n" | ||
| 485 | |||
| 486 | buf += "static int __init " + fabric_mod_name + "_init(void)\n" | ||
| 487 | buf += "{\n" | ||
| 488 | buf += " int ret;\n\n" | ||
| 489 | buf += " ret = " + fabric_mod_name + "_register_configfs();\n" | ||
| 490 | buf += " if (ret < 0)\n" | ||
| 491 | buf += " return ret;\n\n" | ||
| 492 | buf += " return 0;\n" | ||
| 493 | buf += "};\n\n" | ||
| 494 | buf += "static void " + fabric_mod_name + "_exit(void)\n" | ||
| 495 | buf += "{\n" | ||
| 496 | buf += " " + fabric_mod_name + "_deregister_configfs();\n" | ||
| 497 | buf += "};\n\n" | ||
| 498 | |||
| 499 | buf += "#ifdef MODULE\n" | ||
| 500 | buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n" | ||
| 501 | buf += "MODULE_LICENSE(\"GPL\");\n" | ||
| 502 | buf += "module_init(" + fabric_mod_name + "_init);\n" | ||
| 503 | buf += "module_exit(" + fabric_mod_name + "_exit);\n" | ||
| 504 | buf += "#endif\n" | ||
| 505 | |||
| 506 | ret = p.write(buf) | ||
| 507 | if ret: | ||
| 508 | tcm_mod_err("Unable to write f: " + f) | ||
| 509 | |||
| 510 | p.close() | ||
| 511 | |||
| 512 | return | ||
| 513 | |||
| 514 | def tcm_mod_scan_fabric_ops(tcm_dir): | ||
| 515 | |||
| 516 | fabric_ops_api = tcm_dir + "include/target/target_core_fabric_ops.h" | ||
| 517 | |||
| 518 | print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api | ||
| 519 | process_fo = 0; | ||
| 520 | |||
| 521 | p = open(fabric_ops_api, 'r') | ||
| 522 | |||
| 523 | line = p.readline() | ||
| 524 | while line: | ||
| 525 | if process_fo == 0 and re.search('struct target_core_fabric_ops {', line): | ||
| 526 | line = p.readline() | ||
| 527 | continue | ||
| 528 | |||
| 529 | if process_fo == 0: | ||
| 530 | process_fo = 1; | ||
| 531 | line = p.readline() | ||
| 532 | # Search for function pointer | ||
| 533 | if not re.search('\(\*', line): | ||
| 534 | continue | ||
| 535 | |||
| 536 | fabric_ops.append(line.rstrip()) | ||
| 537 | continue | ||
| 538 | |||
| 539 | line = p.readline() | ||
| 540 | # Search for function pointer | ||
| 541 | if not re.search('\(\*', line): | ||
| 542 | continue | ||
| 543 | |||
| 544 | fabric_ops.append(line.rstrip()) | ||
| 545 | |||
| 546 | p.close() | ||
| 547 | return | ||
| 548 | |||
| 549 | def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name): | ||
| 550 | buf = "" | ||
| 551 | bufi = "" | ||
| 552 | |||
| 553 | f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c" | ||
| 554 | print "Writing file: " + f | ||
| 555 | |||
| 556 | p = open(f, 'w') | ||
| 557 | if not p: | ||
| 558 | tcm_mod_err("Unable to open file: " + f) | ||
| 559 | |||
| 560 | fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h" | ||
| 561 | print "Writing file: " + fi | ||
| 562 | |||
| 563 | pi = open(fi, 'w') | ||
| 564 | if not pi: | ||
| 565 | tcm_mod_err("Unable to open file: " + fi) | ||
| 566 | |||
| 567 | buf = "#include <linux/slab.h>\n" | ||
| 568 | buf += "#include <linux/kthread.h>\n" | ||
| 569 | buf += "#include <linux/types.h>\n" | ||
| 570 | buf += "#include <linux/list.h>\n" | ||
| 571 | buf += "#include <linux/types.h>\n" | ||
| 572 | buf += "#include <linux/string.h>\n" | ||
| 573 | buf += "#include <linux/ctype.h>\n" | ||
| 574 | buf += "#include <asm/unaligned.h>\n" | ||
| 575 | buf += "#include <scsi/scsi.h>\n" | ||
| 576 | buf += "#include <scsi/scsi_host.h>\n" | ||
| 577 | buf += "#include <scsi/scsi_device.h>\n" | ||
| 578 | buf += "#include <scsi/scsi_cmnd.h>\n" | ||
| 579 | buf += "#include <scsi/libfc.h>\n\n" | ||
| 580 | buf += "#include <target/target_core_base.h>\n" | ||
| 581 | buf += "#include <target/target_core_transport.h>\n" | ||
| 582 | buf += "#include <target/target_core_fabric_ops.h>\n" | ||
| 583 | buf += "#include <target/target_core_fabric_lib.h>\n" | ||
| 584 | buf += "#include <target/target_core_device.h>\n" | ||
| 585 | buf += "#include <target/target_core_tpg.h>\n" | ||
| 586 | buf += "#include <target/target_core_configfs.h>\n" | ||
| 587 | buf += "#include <" + fabric_mod_name + "_base.h>\n" | ||
| 588 | buf += "#include <" + fabric_mod_name + "_fabric.h>\n\n" | ||
| 589 | |||
| 590 | buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n" | ||
| 591 | buf += "{\n" | ||
| 592 | buf += " return 1;\n" | ||
| 593 | buf += "}\n\n" | ||
| 594 | bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n" | ||
| 595 | |||
| 596 | buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n" | ||
| 597 | buf += "{\n" | ||
| 598 | buf += " return 0;\n" | ||
| 599 | buf += "}\n\n" | ||
| 600 | bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n" | ||
| 601 | |||
| 602 | total_fabric_ops = len(fabric_ops) | ||
| 603 | i = 0 | ||
| 604 | |||
| 605 | while i < total_fabric_ops: | ||
| 606 | fo = fabric_ops[i] | ||
| 607 | i += 1 | ||
| 608 | # print "fabric_ops: " + fo | ||
| 609 | |||
| 610 | if re.search('get_fabric_name', fo): | ||
| 611 | buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n" | ||
| 612 | buf += "{\n" | ||
| 613 | buf += " return \"" + fabric_mod_name[4:] + "\";\n" | ||
| 614 | buf += "}\n\n" | ||
| 615 | bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n" | ||
| 616 | continue | ||
| 617 | |||
| 618 | if re.search('get_fabric_proto_ident', fo): | ||
| 619 | buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n" | ||
| 620 | buf += "{\n" | ||
| 621 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 622 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n" | ||
| 623 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n" | ||
| 624 | buf += " u8 proto_id;\n\n" | ||
| 625 | buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n" | ||
| 626 | if proto_ident == "FC": | ||
| 627 | buf += " case SCSI_PROTOCOL_FCP:\n" | ||
| 628 | buf += " default:\n" | ||
| 629 | buf += " proto_id = fc_get_fabric_proto_ident(se_tpg);\n" | ||
| 630 | buf += " break;\n" | ||
| 631 | elif proto_ident == "SAS": | ||
| 632 | buf += " case SCSI_PROTOCOL_SAS:\n" | ||
| 633 | buf += " default:\n" | ||
| 634 | buf += " proto_id = sas_get_fabric_proto_ident(se_tpg);\n" | ||
| 635 | buf += " break;\n" | ||
| 636 | elif proto_ident == "iSCSI": | ||
| 637 | buf += " case SCSI_PROTOCOL_ISCSI:\n" | ||
| 638 | buf += " default:\n" | ||
| 639 | buf += " proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n" | ||
| 640 | buf += " break;\n" | ||
| 641 | |||
| 642 | buf += " }\n\n" | ||
| 643 | buf += " return proto_id;\n" | ||
| 644 | buf += "}\n\n" | ||
| 645 | bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n" | ||
| 646 | |||
| 647 | if re.search('get_wwn', fo): | ||
| 648 | buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n" | ||
| 649 | buf += "{\n" | ||
| 650 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 651 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n" | ||
| 652 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n" | ||
| 653 | buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n" | ||
| 654 | buf += "}\n\n" | ||
| 655 | bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n" | ||
| 656 | |||
| 657 | if re.search('get_tag', fo): | ||
| 658 | buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n" | ||
| 659 | buf += "{\n" | ||
| 660 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 661 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n" | ||
| 662 | buf += " return tpg->" + fabric_mod_port + "_tpgt;\n" | ||
| 663 | buf += "}\n\n" | ||
| 664 | bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n" | ||
| 665 | |||
| 666 | if re.search('get_default_depth', fo): | ||
| 667 | buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n" | ||
| 668 | buf += "{\n" | ||
| 669 | buf += " return 1;\n" | ||
| 670 | buf += "}\n\n" | ||
| 671 | bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n" | ||
| 672 | |||
| 673 | if re.search('get_pr_transport_id\)\(', fo): | ||
| 674 | buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n" | ||
| 675 | buf += " struct se_portal_group *se_tpg,\n" | ||
| 676 | buf += " struct se_node_acl *se_nacl,\n" | ||
| 677 | buf += " struct t10_pr_registration *pr_reg,\n" | ||
| 678 | buf += " int *format_code,\n" | ||
| 679 | buf += " unsigned char *buf)\n" | ||
| 680 | buf += "{\n" | ||
| 681 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 682 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n" | ||
| 683 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n" | ||
| 684 | buf += " int ret = 0;\n\n" | ||
| 685 | buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n" | ||
| 686 | if proto_ident == "FC": | ||
| 687 | buf += " case SCSI_PROTOCOL_FCP:\n" | ||
| 688 | buf += " default:\n" | ||
| 689 | buf += " ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n" | ||
| 690 | buf += " format_code, buf);\n" | ||
| 691 | buf += " break;\n" | ||
| 692 | elif proto_ident == "SAS": | ||
| 693 | buf += " case SCSI_PROTOCOL_SAS:\n" | ||
| 694 | buf += " default:\n" | ||
| 695 | buf += " ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n" | ||
| 696 | buf += " format_code, buf);\n" | ||
| 697 | buf += " break;\n" | ||
| 698 | elif proto_ident == "iSCSI": | ||
| 699 | buf += " case SCSI_PROTOCOL_ISCSI:\n" | ||
| 700 | buf += " default:\n" | ||
| 701 | buf += " ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n" | ||
| 702 | buf += " format_code, buf);\n" | ||
| 703 | buf += " break;\n" | ||
| 704 | |||
| 705 | buf += " }\n\n" | ||
| 706 | buf += " return ret;\n" | ||
| 707 | buf += "}\n\n" | ||
| 708 | bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n" | ||
| 709 | bufi += " struct se_node_acl *, struct t10_pr_registration *,\n" | ||
| 710 | bufi += " int *, unsigned char *);\n" | ||
| 711 | |||
| 712 | if re.search('get_pr_transport_id_len\)\(', fo): | ||
| 713 | buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n" | ||
| 714 | buf += " struct se_portal_group *se_tpg,\n" | ||
| 715 | buf += " struct se_node_acl *se_nacl,\n" | ||
| 716 | buf += " struct t10_pr_registration *pr_reg,\n" | ||
| 717 | buf += " int *format_code)\n" | ||
| 718 | buf += "{\n" | ||
| 719 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 720 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n" | ||
| 721 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n" | ||
| 722 | buf += " int ret = 0;\n\n" | ||
| 723 | buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n" | ||
| 724 | if proto_ident == "FC": | ||
| 725 | buf += " case SCSI_PROTOCOL_FCP:\n" | ||
| 726 | buf += " default:\n" | ||
| 727 | buf += " ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n" | ||
| 728 | buf += " format_code);\n" | ||
| 729 | buf += " break;\n" | ||
| 730 | elif proto_ident == "SAS": | ||
| 731 | buf += " case SCSI_PROTOCOL_SAS:\n" | ||
| 732 | buf += " default:\n" | ||
| 733 | buf += " ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n" | ||
| 734 | buf += " format_code);\n" | ||
| 735 | buf += " break;\n" | ||
| 736 | elif proto_ident == "iSCSI": | ||
| 737 | buf += " case SCSI_PROTOCOL_ISCSI:\n" | ||
| 738 | buf += " default:\n" | ||
| 739 | buf += " ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n" | ||
| 740 | buf += " format_code);\n" | ||
| 741 | buf += " break;\n" | ||
| 742 | |||
| 743 | |||
| 744 | buf += " }\n\n" | ||
| 745 | buf += " return ret;\n" | ||
| 746 | buf += "}\n\n" | ||
| 747 | bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n" | ||
| 748 | bufi += " struct se_node_acl *, struct t10_pr_registration *,\n" | ||
| 749 | bufi += " int *);\n" | ||
| 750 | |||
| 751 | if re.search('parse_pr_out_transport_id\)\(', fo): | ||
| 752 | buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n" | ||
| 753 | buf += " struct se_portal_group *se_tpg,\n" | ||
| 754 | buf += " const char *buf,\n" | ||
| 755 | buf += " u32 *out_tid_len,\n" | ||
| 756 | buf += " char **port_nexus_ptr)\n" | ||
| 757 | buf += "{\n" | ||
| 758 | buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n" | ||
| 759 | buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n" | ||
| 760 | buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n" | ||
| 761 | buf += " char *tid = NULL;\n\n" | ||
| 762 | buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n" | ||
| 763 | if proto_ident == "FC": | ||
| 764 | buf += " case SCSI_PROTOCOL_FCP:\n" | ||
| 765 | buf += " default:\n" | ||
| 766 | buf += " tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n" | ||
| 767 | buf += " port_nexus_ptr);\n" | ||
| 768 | elif proto_ident == "SAS": | ||
| 769 | buf += " case SCSI_PROTOCOL_SAS:\n" | ||
| 770 | buf += " default:\n" | ||
| 771 | buf += " tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n" | ||
| 772 | buf += " port_nexus_ptr);\n" | ||
| 773 | elif proto_ident == "iSCSI": | ||
| 774 | buf += " case SCSI_PROTOCOL_ISCSI:\n" | ||
| 775 | buf += " default:\n" | ||
| 776 | buf += " tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n" | ||
| 777 | buf += " port_nexus_ptr);\n" | ||
| 778 | |||
| 779 | buf += " }\n\n" | ||
| 780 | buf += " return tid;\n" | ||
| 781 | buf += "}\n\n" | ||
| 782 | bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n" | ||
| 783 | bufi += " const char *, u32 *, char **);\n" | ||
| 784 | |||
| 785 | if re.search('alloc_fabric_acl\)\(', fo): | ||
| 786 | buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n" | ||
| 787 | buf += "{\n" | ||
| 788 | buf += " struct " + fabric_mod_name + "_nacl *nacl;\n\n" | ||
| 789 | buf += " nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n" | ||
| 790 | buf += " if (!(nacl)) {\n" | ||
| 791 | buf += " printk(KERN_ERR \"Unable to alocate struct " + fabric_mod_name + "_nacl\\n\");\n" | ||
| 792 | buf += " return NULL;\n" | ||
| 793 | buf += " }\n\n" | ||
| 794 | buf += " return &nacl->se_node_acl;\n" | ||
| 795 | buf += "}\n\n" | ||
| 796 | bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n" | ||
| 797 | |||
| 798 | if re.search('release_fabric_acl\)\(', fo): | ||
| 799 | buf += "void " + fabric_mod_name + "_release_fabric_acl(\n" | ||
| 800 | buf += " struct se_portal_group *se_tpg,\n" | ||
| 801 | buf += " struct se_node_acl *se_nacl)\n" | ||
| 802 | buf += "{\n" | ||
| 803 | buf += " struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n" | ||
| 804 | buf += " struct " + fabric_mod_name + "_nacl, se_node_acl);\n" | ||
| 805 | buf += " kfree(nacl);\n" | ||
| 806 | buf += "}\n\n" | ||
| 807 | bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n" | ||
| 808 | bufi += " struct se_node_acl *);\n" | ||
| 809 | |||
| 810 | if re.search('tpg_get_inst_index\)\(', fo): | ||
| 811 | buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n" | ||
| 812 | buf += "{\n" | ||
| 813 | buf += " return 1;\n" | ||
| 814 | buf += "}\n\n" | ||
| 815 | bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n" | ||
| 816 | |||
| 817 | if re.search('release_cmd_to_pool', fo): | ||
| 818 | buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n" | ||
| 819 | buf += "{\n" | ||
| 820 | buf += " return;\n" | ||
| 821 | buf += "}\n\n" | ||
| 822 | bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n" | ||
| 823 | |||
| 824 | if re.search('shutdown_session\)\(', fo): | ||
| 825 | buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n" | ||
| 826 | buf += "{\n" | ||
| 827 | buf += " return 0;\n" | ||
| 828 | buf += "}\n\n" | ||
| 829 | bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n" | ||
| 830 | |||
| 831 | if re.search('close_session\)\(', fo): | ||
| 832 | buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n" | ||
| 833 | buf += "{\n" | ||
| 834 | buf += " return;\n" | ||
| 835 | buf += "}\n\n" | ||
| 836 | bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n" | ||
| 837 | |||
| 838 | if re.search('stop_session\)\(', fo): | ||
| 839 | buf += "void " + fabric_mod_name + "_stop_session(struct se_session *se_sess, int sess_sleep , int conn_sleep)\n" | ||
| 840 | buf += "{\n" | ||
| 841 | buf += " return;\n" | ||
| 842 | buf += "}\n\n" | ||
| 843 | bufi += "void " + fabric_mod_name + "_stop_session(struct se_session *, int, int);\n" | ||
| 844 | |||
| 845 | if re.search('fall_back_to_erl0\)\(', fo): | ||
| 846 | buf += "void " + fabric_mod_name + "_reset_nexus(struct se_session *se_sess)\n" | ||
| 847 | buf += "{\n" | ||
| 848 | buf += " return;\n" | ||
| 849 | buf += "}\n\n" | ||
| 850 | bufi += "void " + fabric_mod_name + "_reset_nexus(struct se_session *);\n" | ||
| 851 | |||
| 852 | if re.search('sess_logged_in\)\(', fo): | ||
| 853 | buf += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *se_sess)\n" | ||
| 854 | buf += "{\n" | ||
| 855 | buf += " return 0;\n" | ||
| 856 | buf += "}\n\n" | ||
| 857 | bufi += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *);\n" | ||
| 858 | |||
| 859 | if re.search('sess_get_index\)\(', fo): | ||
| 860 | buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n" | ||
| 861 | buf += "{\n" | ||
| 862 | buf += " return 0;\n" | ||
| 863 | buf += "}\n\n" | ||
| 864 | bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n" | ||
| 865 | |||
| 866 | if re.search('write_pending\)\(', fo): | ||
| 867 | buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n" | ||
| 868 | buf += "{\n" | ||
| 869 | buf += " return 0;\n" | ||
| 870 | buf += "}\n\n" | ||
| 871 | bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n" | ||
| 872 | |||
| 873 | if re.search('write_pending_status\)\(', fo): | ||
| 874 | buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n" | ||
| 875 | buf += "{\n" | ||
| 876 | buf += " return 0;\n" | ||
| 877 | buf += "}\n\n" | ||
| 878 | bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n" | ||
| 879 | |||
| 880 | if re.search('set_default_node_attributes\)\(', fo): | ||
| 881 | buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n" | ||
| 882 | buf += "{\n" | ||
| 883 | buf += " return;\n" | ||
| 884 | buf += "}\n\n" | ||
| 885 | bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n" | ||
| 886 | |||
| 887 | if re.search('get_task_tag\)\(', fo): | ||
| 888 | buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n" | ||
| 889 | buf += "{\n" | ||
| 890 | buf += " return 0;\n" | ||
| 891 | buf += "}\n\n" | ||
| 892 | bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n" | ||
| 893 | |||
| 894 | if re.search('get_cmd_state\)\(', fo): | ||
| 895 | buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n" | ||
| 896 | buf += "{\n" | ||
| 897 | buf += " return 0;\n" | ||
| 898 | buf += "}\n\n" | ||
| 899 | bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n" | ||
| 900 | |||
| 901 | if re.search('new_cmd_failure\)\(', fo): | ||
| 902 | buf += "void " + fabric_mod_name + "_new_cmd_failure(struct se_cmd *se_cmd)\n" | ||
| 903 | buf += "{\n" | ||
| 904 | buf += " return;\n" | ||
| 905 | buf += "}\n\n" | ||
| 906 | bufi += "void " + fabric_mod_name + "_new_cmd_failure(struct se_cmd *);\n" | ||
| 907 | |||
| 908 | if re.search('queue_data_in\)\(', fo): | ||
| 909 | buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n" | ||
| 910 | buf += "{\n" | ||
| 911 | buf += " return 0;\n" | ||
| 912 | buf += "}\n\n" | ||
| 913 | bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n" | ||
| 914 | |||
| 915 | if re.search('queue_status\)\(', fo): | ||
| 916 | buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n" | ||
| 917 | buf += "{\n" | ||
| 918 | buf += " return 0;\n" | ||
| 919 | buf += "}\n\n" | ||
| 920 | bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n" | ||
| 921 | |||
| 922 | if re.search('queue_tm_rsp\)\(', fo): | ||
| 923 | buf += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n" | ||
| 924 | buf += "{\n" | ||
| 925 | buf += " return 0;\n" | ||
| 926 | buf += "}\n\n" | ||
| 927 | bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n" | ||
| 928 | |||
| 929 | if re.search('get_fabric_sense_len\)\(', fo): | ||
| 930 | buf += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void)\n" | ||
| 931 | buf += "{\n" | ||
| 932 | buf += " return 0;\n" | ||
| 933 | buf += "}\n\n" | ||
| 934 | bufi += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void);\n" | ||
| 935 | |||
| 936 | if re.search('set_fabric_sense_len\)\(', fo): | ||
| 937 | buf += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)\n" | ||
| 938 | buf += "{\n" | ||
| 939 | buf += " return 0;\n" | ||
| 940 | buf += "}\n\n" | ||
| 941 | bufi += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *, u32);\n" | ||
| 942 | |||
| 943 | if re.search('is_state_remove\)\(', fo): | ||
| 944 | buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n" | ||
| 945 | buf += "{\n" | ||
| 946 | buf += " return 0;\n" | ||
| 947 | buf += "}\n\n" | ||
| 948 | bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n" | ||
| 949 | |||
| 950 | if re.search('pack_lun\)\(', fo): | ||
| 951 | buf += "u64 " + fabric_mod_name + "_pack_lun(unsigned int lun)\n" | ||
| 952 | buf += "{\n" | ||
| 953 | buf += " WARN_ON(lun >= 256);\n" | ||
| 954 | buf += " /* Caller wants this byte-swapped */\n" | ||
| 955 | buf += " return cpu_to_le64((lun & 0xff) << 8);\n" | ||
| 956 | buf += "}\n\n" | ||
| 957 | bufi += "u64 " + fabric_mod_name + "_pack_lun(unsigned int);\n" | ||
| 958 | |||
| 959 | |||
| 960 | ret = p.write(buf) | ||
| 961 | if ret: | ||
| 962 | tcm_mod_err("Unable to write f: " + f) | ||
| 963 | |||
| 964 | p.close() | ||
| 965 | |||
| 966 | ret = pi.write(bufi) | ||
| 967 | if ret: | ||
| 968 | tcm_mod_err("Unable to write fi: " + fi) | ||
| 969 | |||
| 970 | pi.close() | ||
| 971 | return | ||
| 972 | |||
| 973 | def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name): | ||
| 974 | |||
| 975 | buf = "" | ||
| 976 | f = fabric_mod_dir_var + "/Kbuild" | ||
| 977 | print "Writing file: " + f | ||
| 978 | |||
| 979 | p = open(f, 'w') | ||
| 980 | if not p: | ||
| 981 | tcm_mod_err("Unable to open file: " + f) | ||
| 982 | |||
| 983 | buf = "EXTRA_CFLAGS += -I$(srctree)/drivers/target/ -I$(srctree)/include/ -I$(srctree)/drivers/scsi/ -I$(srctree)/include/scsi/ -I$(srctree)/drivers/target/" + fabric_mod_name + "\n\n" | ||
| 984 | buf += fabric_mod_name + "-objs := " + fabric_mod_name + "_fabric.o \\\n" | ||
| 985 | buf += " " + fabric_mod_name + "_configfs.o\n" | ||
| 986 | buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name + ".o\n" | ||
| 987 | |||
| 988 | ret = p.write(buf) | ||
| 989 | if ret: | ||
| 990 | tcm_mod_err("Unable to write f: " + f) | ||
| 991 | |||
| 992 | p.close() | ||
| 993 | return | ||
| 994 | |||
| 995 | def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name): | ||
| 996 | |||
| 997 | buf = "" | ||
| 998 | f = fabric_mod_dir_var + "/Kconfig" | ||
| 999 | print "Writing file: " + f | ||
| 1000 | |||
| 1001 | p = open(f, 'w') | ||
| 1002 | if not p: | ||
| 1003 | tcm_mod_err("Unable to open file: " + f) | ||
| 1004 | |||
| 1005 | buf = "config " + fabric_mod_name.upper() + "\n" | ||
| 1006 | buf += " tristate \"" + fabric_mod_name.upper() + " fabric module\"\n" | ||
| 1007 | buf += " depends on TARGET_CORE && CONFIGFS_FS\n" | ||
| 1008 | buf += " default n\n" | ||
| 1009 | buf += " ---help---\n" | ||
| 1010 | buf += " Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n" | ||
| 1011 | |||
| 1012 | ret = p.write(buf) | ||
| 1013 | if ret: | ||
| 1014 | tcm_mod_err("Unable to write f: " + f) | ||
| 1015 | |||
| 1016 | p.close() | ||
| 1017 | return | ||
| 1018 | |||
| 1019 | def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name): | ||
| 1020 | buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name.lower() + "/\n" | ||
| 1021 | kbuild = tcm_dir + "/drivers/target/Kbuild" | ||
| 1022 | |||
| 1023 | f = open(kbuild, 'a') | ||
| 1024 | f.write(buf) | ||
| 1025 | f.close() | ||
| 1026 | return | ||
| 1027 | |||
| 1028 | def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name): | ||
| 1029 | buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n" | ||
| 1030 | kconfig = tcm_dir + "/drivers/target/Kconfig" | ||
| 1031 | |||
| 1032 | f = open(kconfig, 'a') | ||
| 1033 | f.write(buf) | ||
| 1034 | f.close() | ||
| 1035 | return | ||
| 1036 | |||
| 1037 | def main(modname, proto_ident): | ||
| 1038 | # proto_ident = "FC" | ||
| 1039 | # proto_ident = "SAS" | ||
| 1040 | # proto_ident = "iSCSI" | ||
| 1041 | |||
| 1042 | tcm_dir = os.getcwd(); | ||
| 1043 | tcm_dir += "/../../" | ||
| 1044 | print "tcm_dir: " + tcm_dir | ||
| 1045 | fabric_mod_name = modname | ||
| 1046 | fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name | ||
| 1047 | print "Set fabric_mod_name: " + fabric_mod_name | ||
| 1048 | print "Set fabric_mod_dir: " + fabric_mod_dir | ||
| 1049 | print "Using proto_ident: " + proto_ident | ||
| 1050 | |||
| 1051 | if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI": | ||
| 1052 | print "Unsupported proto_ident: " + proto_ident | ||
| 1053 | sys.exit(1) | ||
| 1054 | |||
| 1055 | ret = tcm_mod_create_module_subdir(fabric_mod_dir) | ||
| 1056 | if ret: | ||
| 1057 | print "tcm_mod_create_module_subdir() failed because module already exists!" | ||
| 1058 | sys.exit(1) | ||
| 1059 | |||
| 1060 | tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name) | ||
| 1061 | tcm_mod_scan_fabric_ops(tcm_dir) | ||
| 1062 | tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name) | ||
| 1063 | tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name) | ||
| 1064 | tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name) | ||
| 1065 | tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name) | ||
| 1066 | |||
| 1067 | input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kbuild..? [yes,no]: ") | ||
| 1068 | if input == "yes" or input == "y": | ||
| 1069 | tcm_mod_add_kbuild(tcm_dir, fabric_mod_name) | ||
| 1070 | |||
| 1071 | input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kconfig..? [yes,no]: ") | ||
| 1072 | if input == "yes" or input == "y": | ||
| 1073 | tcm_mod_add_kconfig(tcm_dir, fabric_mod_name) | ||
| 1074 | |||
| 1075 | return | ||
| 1076 | |||
| 1077 | parser = optparse.OptionParser() | ||
| 1078 | parser.add_option('-m', '--modulename', help='Module name', dest='modname', | ||
| 1079 | action='store', nargs=1, type='string') | ||
| 1080 | parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident', | ||
| 1081 | action='store', nargs=1, type='string') | ||
| 1082 | |||
| 1083 | (opts, args) = parser.parse_args() | ||
| 1084 | |||
| 1085 | mandatories = ['modname', 'protoident'] | ||
| 1086 | for m in mandatories: | ||
| 1087 | if not opts.__dict__[m]: | ||
| 1088 | print "mandatory option is missing\n" | ||
| 1089 | parser.print_help() | ||
| 1090 | exit(-1) | ||
| 1091 | |||
| 1092 | if __name__ == "__main__": | ||
| 1093 | |||
| 1094 | main(str(opts.modname), opts.protoident) | ||
| @@ -0,0 +1,145 @@ | |||
| 1 | >>>>>>>>>> The TCM v4 fabric module script generator <<<<<<<<<< | ||
| 2 | |||
| 3 | Greetings all, | ||
| 4 | |||
| 5 | This document is intended to be a mini-HOWTO for using the tcm_mod_builder.py | ||
| 6 | script to generate a brand new functional TCM v4 fabric .ko module of your very own, | ||
| 7 | that once built can be immediately be loaded to start access the new TCM/ConfigFS | ||
| 8 | fabric skeleton, by simply using: | ||
| 9 | |||
| 10 | modprobe $TCM_NEW_MOD | ||
| 11 | mkdir -p /sys/kernel/config/target/$TCM_NEW_MOD | ||
| 12 | |||
| 13 | This script will create a new drivers/target/$TCM_NEW_MOD/, and will do the following | ||
| 14 | |||
| 15 | *) Generate new API callers for drivers/target/target_core_fabric_configs.c logic | ||
| 16 | ->make_nodeacl(), ->drop_nodeacl(), ->make_tpg(), ->drop_tpg() | ||
| 17 | ->make_wwn(), ->drop_wwn(). These are created into $TCM_NEW_MOD/$TCM_NEW_MOD_configfs.c | ||
| 18 | *) Generate basic infrastructure for loading/unloading LKMs and TCM/ConfigFS fabric module | ||
| 19 | using a skeleton struct target_core_fabric_ops API template. | ||
| 20 | *) Based on user defined T10 Proto_Ident for the new fabric module being built, | ||
| 21 | the TransportID / Initiator and Target WWPN related handlers for | ||
| 22 | SPC-3 persistent reservation are automatically generated in $TCM_NEW_MOD/$TCM_NEW_MOD_fabric.c | ||
| 23 | using drivers/target/target_core_fabric_lib.c logic. | ||
| 24 | *) NOP API calls for all other Data I/O path and fabric dependent attribute logic | ||
| 25 | in $TCM_NEW_MOD/$TCM_NEW_MOD_fabric.c | ||
| 26 | |||
| 27 | tcm_mod_builder.py depends upon the mandatory '-p $PROTO_IDENT' and '-m | ||
| 28 | $FABRIC_MOD_name' parameters, and actually running the script looks like: | ||
| 29 | |||
| 30 | target:/mnt/sdb/lio-core-2.6.git/Documentation/target# python tcm_mod_builder.py -p iSCSI -m tcm_nab5000 | ||
| 31 | tcm_dir: /mnt/sdb/lio-core-2.6.git/Documentation/target/../../ | ||
| 32 | Set fabric_mod_name: tcm_nab5000 | ||
| 33 | Set fabric_mod_dir: | ||
| 34 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000 | ||
| 35 | Using proto_ident: iSCSI | ||
| 36 | Creating fabric_mod_dir: | ||
| 37 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000 | ||
| 38 | Writing file: | ||
| 39 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000/tcm_nab5000_base.h | ||
| 40 | Using tcm_mod_scan_fabric_ops: | ||
| 41 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../include/target/target_core_fabric_ops.h | ||
| 42 | Writing file: | ||
| 43 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000/tcm_nab5000_fabric.c | ||
| 44 | Writing file: | ||
| 45 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000/tcm_nab5000_fabric.h | ||
| 46 | Writing file: | ||
| 47 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000/tcm_nab5000_configfs.c | ||
| 48 | Writing file: | ||
| 49 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000/Kbuild | ||
| 50 | Writing file: | ||
| 51 | /mnt/sdb/lio-core-2.6.git/Documentation/target/../../drivers/target/tcm_nab5000/Kconfig | ||
| 52 | Would you like to add tcm_nab5000to drivers/target/Kbuild..? [yes,no]: yes | ||
| 53 | Would you like to add tcm_nab5000to drivers/target/Kconfig..? [yes,no]: yes | ||
| 54 | |||
| 55 | At the end of tcm_mod_builder.py. the script will ask to add the following | ||
| 56 | line to drivers/target/Kbuild: | ||
| 57 | |||
| 58 | obj-$(CONFIG_TCM_NAB5000) += tcm_nab5000/ | ||
| 59 | |||
| 60 | and the same for drivers/target/Kconfig: | ||
| 61 | |||
| 62 | source "drivers/target/tcm_nab5000/Kconfig" | ||
| 63 | |||
| 64 | *) Run 'make menuconfig' and select the new CONFIG_TCM_NAB5000 item: | ||
| 65 | |||
| 66 | <M> TCM_NAB5000 fabric module | ||
| 67 | |||
| 68 | *) Build using 'make modules', once completed you will have: | ||
| 69 | |||
| 70 | target:/mnt/sdb/lio-core-2.6.git# ls -la drivers/target/tcm_nab5000/ | ||
| 71 | total 1348 | ||
| 72 | drwxr-xr-x 2 root root 4096 2010-10-05 03:23 . | ||
| 73 | drwxr-xr-x 9 root root 4096 2010-10-05 03:22 .. | ||
| 74 | -rw-r--r-- 1 root root 282 2010-10-05 03:22 Kbuild | ||
| 75 | -rw-r--r-- 1 root root 171 2010-10-05 03:22 Kconfig | ||
| 76 | -rw-r--r-- 1 root root 49 2010-10-05 03:23 modules.order | ||
| 77 | -rw-r--r-- 1 root root 738 2010-10-05 03:22 tcm_nab5000_base.h | ||
| 78 | -rw-r--r-- 1 root root 9096 2010-10-05 03:22 tcm_nab5000_configfs.c | ||
| 79 | -rw-r--r-- 1 root root 191200 2010-10-05 03:23 tcm_nab5000_configfs.o | ||
| 80 | -rw-r--r-- 1 root root 40504 2010-10-05 03:23 .tcm_nab5000_configfs.o.cmd | ||
| 81 | -rw-r--r-- 1 root root 5414 2010-10-05 03:22 tcm_nab5000_fabric.c | ||
| 82 | -rw-r--r-- 1 root root 2016 2010-10-05 03:22 tcm_nab5000_fabric.h | ||
| 83 | -rw-r--r-- 1 root root 190932 2010-10-05 03:23 tcm_nab5000_fabric.o | ||
| 84 | -rw-r--r-- 1 root root 40713 2010-10-05 03:23 .tcm_nab5000_fabric.o.cmd | ||
| 85 | -rw-r--r-- 1 root root 401861 2010-10-05 03:23 tcm_nab5000.ko | ||
| 86 | -rw-r--r-- 1 root root 265 2010-10-05 03:23 .tcm_nab5000.ko.cmd | ||
| 87 | -rw-r--r-- 1 root root 459 2010-10-05 03:23 tcm_nab5000.mod.c | ||
| 88 | -rw-r--r-- 1 root root 23896 2010-10-05 03:23 tcm_nab5000.mod.o | ||
| 89 | -rw-r--r-- 1 root root 22655 2010-10-05 03:23 .tcm_nab5000.mod.o.cmd | ||
| 90 | -rw-r--r-- 1 root root 379022 2010-10-05 03:23 tcm_nab5000.o | ||
| 91 | -rw-r--r-- 1 root root 211 2010-10-05 03:23 .tcm_nab5000.o.cmd | ||
| 92 | |||
| 93 | *) Load the new module, create a lun_0 configfs group, and add new TCM Core | ||
| 94 | IBLOCK backstore symlink to port: | ||
| 95 | |||
| 96 | target:/mnt/sdb/lio-core-2.6.git# insmod drivers/target/tcm_nab5000.ko | ||
| 97 | target:/mnt/sdb/lio-core-2.6.git# mkdir -p /sys/kernel/config/target/nab5000/iqn.foo/tpgt_1/lun/lun_0 | ||
| 98 | target:/mnt/sdb/lio-core-2.6.git# cd /sys/kernel/config/target/nab5000/iqn.foo/tpgt_1/lun/lun_0/ | ||
| 99 | target:/sys/kernel/config/target/nab5000/iqn.foo/tpgt_1/lun/lun_0# ln -s /sys/kernel/config/target/core/iblock_0/lvm_test0 nab5000_port | ||
| 100 | |||
| 101 | target:/sys/kernel/config/target/nab5000/iqn.foo/tpgt_1/lun/lun_0# cd - | ||
| 102 | target:/mnt/sdb/lio-core-2.6.git# tree /sys/kernel/config/target/nab5000/ | ||
| 103 | /sys/kernel/config/target/nab5000/ | ||
| 104 | |-- discovery_auth | ||
| 105 | |-- iqn.foo | ||
| 106 | | `-- tpgt_1 | ||
| 107 | | |-- acls | ||
| 108 | | |-- attrib | ||
| 109 | | |-- lun | ||
| 110 | | | `-- lun_0 | ||
| 111 | | | |-- alua_tg_pt_gp | ||
| 112 | | | |-- alua_tg_pt_offline | ||
| 113 | | | |-- alua_tg_pt_status | ||
| 114 | | | |-- alua_tg_pt_write_md | ||
| 115 | | | `-- nab5000_port -> ../../../../../../target/core/iblock_0/lvm_test0 | ||
| 116 | | |-- np | ||
| 117 | | `-- param | ||
| 118 | `-- version | ||
| 119 | |||
| 120 | target:/mnt/sdb/lio-core-2.6.git# lsmod | ||
| 121 | Module Size Used by | ||
| 122 | tcm_nab5000 3935 4 | ||
| 123 | iscsi_target_mod 193211 0 | ||
| 124 | target_core_stgt 8090 0 | ||
| 125 | target_core_pscsi 11122 1 | ||
| 126 | target_core_file 9172 2 | ||
| 127 | target_core_iblock 9280 1 | ||
| 128 | target_core_mod 228575 31 | ||
| 129 | tcm_nab5000,iscsi_target_mod,target_core_stgt,target_core_pscsi,target_core_file,target_core_iblock | ||
| 130 | libfc 73681 0 | ||
| 131 | scsi_debug 56265 0 | ||
| 132 | scsi_tgt 8666 1 target_core_stgt | ||
| 133 | configfs 20644 2 target_core_mod | ||
| 134 | |||
| 135 | ---------------------------------------------------------------------- | ||
| 136 | |||
| 137 | Future TODO items: | ||
| 138 | |||
| 139 | *) Add more T10 proto_idents | ||
| 140 | *) Make tcm_mod_dump_fabric_ops() smarter and generate function pointer | ||
| 141 | defs directly from include/target/target_core_fabric_ops.h:struct target_core_fabric_ops | ||
| 142 | structure members. | ||
| 143 | |||
| 144 | October 5th, 2010 | ||
| 145 | Nicholas A. Bellinger <nab@linux-iscsi.org> | ||
| @@ -278,3 +278,15 @@ method, the sys I/F structure will be built like this: · 277 unmodified lines | |||
| 278 | |---name: acpitz | 278 | |---name: acpitz |
| 279 | |---temp1_input: 37000 | 279 | |---temp1_input: 37000 |
| 280 | |---temp1_crit: 100000 | 280 | |---temp1_crit: 100000 |
| 281 | |||
| 282 | 4. Event Notification | ||
| 283 | |||
| 284 | The framework includes a simple notification mechanism, in the form of a | ||
| 285 | netlink event. Netlink socket initialization is done during the _init_ | ||
| 286 | of the framework. Drivers which intend to use the notification mechanism | ||
| 287 | just need to call generate_netlink_event() with two arguments viz | ||
| 288 | (originator, event). Typically the originator will be an integer assigned | ||
| 289 | to a thermal_zone_device when it registers itself with the framework. The | ||
| 290 | event will be one of:{THERMAL_AUX0, THERMAL_AUX1, THERMAL_CRITICAL, | ||
| 291 | THERMAL_DEV_FAULT}. Notification can be sent when the current temperature | ||
| 292 | crosses any of the configured thresholds. | ||
| @@ -19,7 +19,7 @@ Linux system over a sample period: · 18 unmodified lines | |||
| 19 | 19 | ||
| 20 | - the pid of the task(process) which initialized the timer | 20 | - the pid of the task(process) which initialized the timer |
| 21 | - the name of the process which initialized the timer | 21 | - the name of the process which initialized the timer |
| 22 | - the function where the timer was intialized | 22 | - the function where the timer was initialized |
| 23 | - the callback function which is associated to the timer | 23 | - the callback function which is associated to the timer |
| 24 | - the number of events (callbacks) | 24 | - the number of events (callbacks) |
| 25 | 25 | ||
| @@ -0,0 +1,90 @@ | |||
| 1 | |||
| 2 | Subsystem Trace Points: power | ||
| 3 | |||
| 4 | The power tracing system captures events related to power transitions | ||
| 5 | within the kernel. Broadly speaking there are three major subheadings: | ||
| 6 | |||
| 7 | o Power state switch which reports events related to suspend (S-states), | ||
| 8 | cpuidle (C-states) and cpufreq (P-states) | ||
| 9 | o System clock related changes | ||
| 10 | o Power domains related changes and transitions | ||
| 11 | |||
| 12 | This document describes what each of the tracepoints is and why they | ||
| 13 | might be useful. | ||
| 14 | |||
| 15 | Cf. include/trace/events/power.h for the events definitions. | ||
| 16 | |||
| 17 | 1. Power state switch events | ||
| 18 | ============================ | ||
| 19 | |||
| 20 | 1.1 New trace API | ||
| 21 | ----------------- | ||
| 22 | |||
| 23 | A 'cpu' event class gathers the CPU-related events: cpuidle and | ||
| 24 | cpufreq. | ||
| 25 | |||
| 26 | cpu_idle "state=%lu cpu_id=%lu" | ||
| 27 | cpu_frequency "state=%lu cpu_id=%lu" | ||
| 28 | |||
| 29 | A suspend event is used to indicate the system going in and out of the | ||
| 30 | suspend mode: | ||
| 31 | |||
| 32 | machine_suspend "state=%lu" | ||
| 33 | |||
| 34 | |||
| 35 | Note: the value of '-1' or '4294967295' for state means an exit from the current state, | ||
| 36 | i.e. trace_cpu_idle(4, smp_processor_id()) means that the system | ||
| 37 | enters the idle state 4, while trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id()) | ||
| 38 | means that the system exits the previous idle state. | ||
| 39 | |||
| 40 | The event which has 'state=4294967295' in the trace is very important to the user | ||
| 41 | space tools which are using it to detect the end of the current state, and so to | ||
| 42 | correctly draw the states diagrams and to calculate accurate statistics etc. | ||
| 43 | |||
| 44 | 1.2 DEPRECATED trace API | ||
| 45 | ------------------------ | ||
| 46 | |||
| 47 | A new Kconfig option CONFIG_EVENT_POWER_TRACING_DEPRECATED with the default value of | ||
| 48 | 'y' has been created. This allows the legacy trace power API to be used conjointly | ||
| 49 | with the new trace API. | ||
| 50 | The Kconfig option, the old trace API (in include/trace/events/power.h) and the | ||
| 51 | old trace points will disappear in a future release (namely 2.6.41). | ||
| 52 | |||
| 53 | power_start "type=%lu state=%lu cpu_id=%lu" | ||
| 54 | power_frequency "type=%lu state=%lu cpu_id=%lu" | ||
| 55 | power_end "cpu_id=%lu" | ||
| 56 | |||
| 57 | The 'type' parameter takes one of those macros: | ||
| 58 | . POWER_NONE = 0, | ||
| 59 | . POWER_CSTATE = 1, /* C-State */ | ||
| 60 | . POWER_PSTATE = 2, /* Fequency change or DVFS */ | ||
| 61 | |||
| 62 | The 'state' parameter is set depending on the type: | ||
| 63 | . Target C-state for type=POWER_CSTATE, | ||
| 64 | . Target frequency for type=POWER_PSTATE, | ||
| 65 | |||
| 66 | power_end is used to indicate the exit of a state, corresponding to the latest | ||
| 67 | power_start event. | ||
| 68 | |||
| 69 | 2. Clocks events | ||
| 70 | ================ | ||
| 71 | The clock events are used for clock enable/disable and for | ||
| 72 | clock rate change. | ||
| 73 | |||
| 74 | clock_enable "%s state=%lu cpu_id=%lu" | ||
| 75 | clock_disable "%s state=%lu cpu_id=%lu" | ||
| 76 | clock_set_rate "%s state=%lu cpu_id=%lu" | ||
| 77 | |||
| 78 | The first parameter gives the clock name (e.g. "gpio1_iclk"). | ||
| 79 | The second parameter is '1' for enable, '0' for disable, the target | ||
| 80 | clock rate for set_rate. | ||
| 81 | |||
| 82 | 3. Power domains events | ||
| 83 | ======================= | ||
| 84 | The power domain events are used for power domains transitions | ||
| 85 | |||
| 86 | power_domain_target "%s state=%lu cpu_id=%lu" | ||
| 87 | |||
| 88 | The first parameter gives the power domain name (e.g. "mpu_pwrdm"). | ||
| 89 | The second parameter is the power domain target state. | ||
| 90 | |||
| @@ -125,7 +125,7 @@ is the size of the data item, in bytes. · 124 unmodified lines | |||
| 125 | For example, here's the information displayed for the 'sched_wakeup' | 125 | For example, here's the information displayed for the 'sched_wakeup' |
| 126 | event: | 126 | event: |
| 127 | 127 | ||
| 128 | # cat /debug/tracing/events/sched/sched_wakeup/format | 128 | # cat /sys/kernel/debug/tracing/events/sched/sched_wakeup/format |
| 129 | 129 | ||
| 130 | name: sched_wakeup | 130 | name: sched_wakeup |
| 131 | ID: 60 | 131 | ID: 60 |
| @@ -201,19 +201,19 @@ to the 'filter' file for the given event. · 69 unmodified lines | |||
| 201 | 201 | ||
| 202 | For example: | 202 | For example: |
| 203 | 203 | ||
| 204 | # cd /debug/tracing/events/sched/sched_wakeup | 204 | # cd /sys/kernel/debug/tracing/events/sched/sched_wakeup |
| 205 | # echo "common_preempt_count > 4" > filter | 205 | # echo "common_preempt_count > 4" > filter |
| 206 | 206 | ||
| 207 | A slightly more involved example: | 207 | A slightly more involved example: |
| 208 | 208 | ||
| 209 | # cd /debug/tracing/events/sched/sched_signal_send | 209 | # cd /sys/kernel/debug/tracing/events/signal/signal_generate |
| 210 | # echo "((sig >= 10 && sig < 15) || sig == 17) && comm != bash" > filter | 210 | # echo "((sig >= 10 && sig < 15) || sig == 17) && comm != bash" > filter |
| 211 | 211 | ||
| 212 | If there is an error in the expression, you'll get an 'Invalid | 212 | If there is an error in the expression, you'll get an 'Invalid |
| 213 | argument' error when setting it, and the erroneous string along with | 213 | argument' error when setting it, and the erroneous string along with |
| 214 | an error message can be seen by looking at the filter e.g.: | 214 | an error message can be seen by looking at the filter e.g.: |
| 215 | 215 | ||
| 216 | # cd /debug/tracing/events/sched/sched_signal_send | 216 | # cd /sys/kernel/debug/tracing/events/signal/signal_generate |
| 217 | # echo "((sig >= 10 && sig < 15) || dsig == 17) && comm != bash" > filter | 217 | # echo "((sig >= 10 && sig < 15) || dsig == 17) && comm != bash" > filter |
| 218 | -bash: echo: write error: Invalid argument | 218 | -bash: echo: write error: Invalid argument |
| 219 | # cat filter | 219 | # cat filter |
| @@ -2,7 +2,7 @@ · 1 unmodified line | |||
| 2 | 2 | ||
| 3 | Alan Stern <stern@rowland.harvard.edu> | 3 | Alan Stern <stern@rowland.harvard.edu> |
| 4 | 4 | ||
| 5 | December 11, 2009 | 5 | October 28, 2010 |
| 6 | 6 | ||
| 7 | 7 | ||
| 8 | 8 | ||
| @@ -107,9 +107,14 @@ allowed to issue dynamic suspends. · 98 unmodified lines | |||
| 107 | The user interface for controlling dynamic PM is located in the power/ | 107 | The user interface for controlling dynamic PM is located in the power/ |
| 108 | subdirectory of each USB device's sysfs directory, that is, in | 108 | subdirectory of each USB device's sysfs directory, that is, in |
| 109 | /sys/bus/usb/devices/.../power/ where "..." is the device's ID. The | 109 | /sys/bus/usb/devices/.../power/ where "..." is the device's ID. The |
| 110 | relevant attribute files are: wakeup, control, and autosuspend. | 110 | relevant attribute files are: wakeup, control, and |
| 111 | (There may also be a file named "level"; this file was deprecated | 111 | autosuspend_delay_ms. (There may also be a file named "level"; this |
| 112 | as of the 2.6.35 kernel and replaced by the "control" file.) | 112 | file was deprecated as of the 2.6.35 kernel and replaced by the |
| 113 | "control" file. In 2.6.38 the "autosuspend" file will be deprecated | ||
| 114 | and replaced by the "autosuspend_delay_ms" file. The only difference | ||
| 115 | is that the newer file expresses the delay in milliseconds whereas the | ||
| 116 | older file uses seconds. Confusingly, both files are present in 2.6.37 | ||
| 117 | but only "autosuspend" works.) | ||
| 113 | 118 | ||
| 114 | power/wakeup | 119 | power/wakeup |
| 115 | 120 | ||
| @@ -140,33 +145,36 @@ as of the 2.6.35 kernel and replaced by the "control" file.) · 24 unmodified lines | |||
| 140 | suspended and autoresume was not allowed. This | 145 | suspended and autoresume was not allowed. This |
| 141 | setting is no longer supported.) | 146 | setting is no longer supported.) |
| 142 | 147 | ||
| 143 | power/autosuspend | 148 | power/autosuspend_delay_ms |
| 144 | 149 | ||
| 145 | This file contains an integer value, which is the | 150 | This file contains an integer value, which is the |
| 146 | number of seconds the device should remain idle before | 151 | number of milliseconds the device should remain idle |
| 147 | the kernel will autosuspend it (the idle-delay time). | 152 | before the kernel will autosuspend it (the idle-delay |
| 148 | The default is 2. 0 means to autosuspend as soon as | 153 | time). The default is 2000. 0 means to autosuspend |
| 149 | the device becomes idle, and negative values mean | 154 | as soon as the device becomes idle, and negative |
| 150 | never to autosuspend. You can write a number to the | 155 | values mean never to autosuspend. You can write a |
| 151 | file to change the autosuspend idle-delay time. | 156 | number to the file to change the autosuspend |
| 152 | 157 | idle-delay time. | |
| 153 | Writing "-1" to power/autosuspend and writing "on" to power/control do | 158 | |
| 154 | essentially the same thing -- they both prevent the device from being | 159 | Writing "-1" to power/autosuspend_delay_ms and writing "on" to |
| 155 | autosuspended. Yes, this is a redundancy in the API. | 160 | power/control do essentially the same thing -- they both prevent the |
| 161 | device from being autosuspended. Yes, this is a redundancy in the | ||
| 162 | API. | ||
| 156 | 163 | ||
| 157 | (In 2.6.21 writing "0" to power/autosuspend would prevent the device | 164 | (In 2.6.21 writing "0" to power/autosuspend would prevent the device |
| 158 | from being autosuspended; the behavior was changed in 2.6.22. The | 165 | from being autosuspended; the behavior was changed in 2.6.22. The |
| 159 | power/autosuspend attribute did not exist prior to 2.6.21, and the | 166 | power/autosuspend attribute did not exist prior to 2.6.21, and the |
| 160 | power/level attribute did not exist prior to 2.6.22. power/control | 167 | power/level attribute did not exist prior to 2.6.22. power/control |
| 161 | was added in 2.6.34.) | 168 | was added in 2.6.34, and power/autosuspend_delay_ms was added in |
| 169 | 2.6.37 but did not become functional until 2.6.38.) | ||
| 162 | 170 | ||
| 163 | 171 | ||
| 164 | Changing the default idle-delay time | 172 | Changing the default idle-delay time |
| 165 | ------------------------------------ | 173 | ------------------------------------ |
| 166 | 174 | ||
| 167 | The default autosuspend idle-delay time is controlled by a module | 175 | The default autosuspend idle-delay time (in seconds) is controlled by |
| 168 | parameter in usbcore. You can specify the value when usbcore is | 176 | a module parameter in usbcore. You can specify the value when usbcore |
| 169 | loaded. For example, to set it to 5 seconds instead of 2 you would | 177 | is loaded. For example, to set it to 5 seconds instead of 2 you would |
| 170 | do: | 178 | do: |
| 171 | 179 | ||
| 172 | modprobe usbcore autosuspend=5 | 180 | modprobe usbcore autosuspend=5 |
| @@ -234,25 +242,23 @@ every device. · 61 unmodified lines | |||
| 234 | 242 | ||
| 235 | If a driver knows that its device has proper suspend/resume support, | 243 | If a driver knows that its device has proper suspend/resume support, |
| 236 | it can enable autosuspend all by itself. For example, the video | 244 | it can enable autosuspend all by itself. For example, the video |
| 237 | driver for a laptop's webcam might do this, since these devices are | 245 | driver for a laptop's webcam might do this (in recent kernels they |
| 238 | rarely used and so should normally be autosuspended. | 246 | do), since these devices are rarely used and so should normally be |
| 247 | autosuspended. | ||
| 239 | 248 | ||
| 240 | Sometimes it turns out that even when a device does work okay with | 249 | Sometimes it turns out that even when a device does work okay with |
| 241 | autosuspend there are still problems. For example, there are | 250 | autosuspend there are still problems. For example, the usbhid driver, |
| 242 | experimental patches adding autosuspend support to the usbhid driver, | 251 | which manages keyboards and mice, has autosuspend support. Tests with |
| 243 | which manages keyboards and mice, among other things. Tests with a | 252 | a number of keyboards show that typing on a suspended keyboard, while |
| 244 | number of keyboards showed that typing on a suspended keyboard, while | 253 | causing the keyboard to do a remote wakeup all right, will nonetheless |
| 245 | causing the keyboard to do a remote wakeup all right, would | 254 | frequently result in lost keystrokes. Tests with mice show that some |
| 246 | nonetheless frequently result in lost keystrokes. Tests with mice | 255 | of them will issue a remote-wakeup request in response to button |
| 247 | showed that some of them would issue a remote-wakeup request in | 256 | presses but not to motion, and some in response to neither. |
| 248 | response to button presses but not to motion, and some in response to | ||
| 249 | neither. | ||
| 250 | 257 | ||
| 251 | The kernel will not prevent you from enabling autosuspend on devices | 258 | The kernel will not prevent you from enabling autosuspend on devices |
| 252 | that can't handle it. It is even possible in theory to damage a | 259 | that can't handle it. It is even possible in theory to damage a |
| 253 | device by suspending it at the wrong time -- for example, suspending a | 260 | device by suspending it at the wrong time. (Highly unlikely, but |
| 254 | USB hard disk might cause it to spin down without parking the heads. | 261 | possible.) Take care. |
| 255 | (Highly unlikely, but possible.) Take care. | ||
| 256 | 262 | ||
| 257 | 263 | ||
| 258 | The driver interface for Power Management | 264 | The driver interface for Power Management |
| @@ -336,10 +342,6 @@ autosuspend the interface's device. When the usage counter is = 0 · 77 unmodified lines | |||
| 336 | then the interface is considered to be idle, and the kernel may | 342 | then the interface is considered to be idle, and the kernel may |
| 337 | autosuspend the device. | 343 | autosuspend the device. |
| 338 | 344 | ||
| 339 | (There is a similar usage counter field in struct usb_device, | ||
| 340 | associated with the device itself rather than any of its interfaces. | ||
| 341 | This counter is used only by the USB core.) | ||
| 342 | |||
| 343 | Drivers need not be concerned about balancing changes to the usage | 345 | Drivers need not be concerned about balancing changes to the usage |
| 344 | counter; the USB core will undo any remaining "get"s when a driver | 346 | counter; the USB core will undo any remaining "get"s when a driver |
| 345 | is unbound from its interface. As a corollary, drivers must not call | 347 | is unbound from its interface. As a corollary, drivers must not call |
| @@ -409,11 +411,11 @@ during autosuspend. For example, there's not much point · 63 unmodified lines | |||
| 409 | autosuspending a keyboard if the user can't cause the keyboard to do a | 411 | autosuspending a keyboard if the user can't cause the keyboard to do a |
| 410 | remote wakeup by typing on it. If the driver sets | 412 | remote wakeup by typing on it. If the driver sets |
| 411 | intf->needs_remote_wakeup to 1, the kernel won't autosuspend the | 413 | intf->needs_remote_wakeup to 1, the kernel won't autosuspend the |
| 412 | device if remote wakeup isn't available or has been disabled through | 414 | device if remote wakeup isn't available. (If the device is already |
| 413 | the power/wakeup attribute. (If the device is already autosuspended, | 415 | autosuspended, though, setting this flag won't cause the kernel to |
| 414 | though, setting this flag won't cause the kernel to autoresume it. | 416 | autoresume it. Normally a driver would set this flag in its probe |
| 415 | Normally a driver would set this flag in its probe method, at which | 417 | method, at which time the device is guaranteed not to be |
| 416 | time the device is guaranteed not to be autosuspended.) | 418 | autosuspended.) |
| 417 | 419 | ||
| 418 | If a driver does its I/O asynchronously in interrupt context, it | 420 | If a driver does its I/O asynchronously in interrupt context, it |
| 419 | should call usb_autopm_get_interface_async() before starting output and | 421 | should call usb_autopm_get_interface_async() before starting output and |
| @@ -422,20 +424,19 @@ it receives an input event, it should call · 2 unmodified lines | |||
| 422 | 424 | ||
| 423 | usb_mark_last_busy(struct usb_device *udev); | 425 | usb_mark_last_busy(struct usb_device *udev); |
| 424 | 426 | ||
| 425 | in the event handler. This sets udev->last_busy to the current time. | 427 | in the event handler. This tells the PM core that the device was just |
| 426 | udev->last_busy is the field used for idle-delay calculations; | 428 | busy and therefore the next autosuspend idle-delay expiration should |
| 427 | updating it will cause any pending autosuspend to be moved back. Most | 429 | be pushed back. Many of the usb_autopm_* routines also make this call, |
| 428 | of the usb_autopm_* routines will also set the last_busy field to the | 430 | so drivers need to worry only when interrupt-driven input arrives. |
| 429 | current time. | ||
| 430 | 431 | ||
| 431 | Asynchronous operation is always subject to races. For example, a | 432 | Asynchronous operation is always subject to races. For example, a |
| 432 | driver may call one of the usb_autopm_*_interface_async() routines at | 433 | driver may call the usb_autopm_get_interface_async() routine at a time |
| 433 | a time when the core has just finished deciding the device has been | 434 | when the core has just finished deciding the device has been idle for |
| 434 | idle for long enough but not yet gotten around to calling the driver's | 435 | long enough but not yet gotten around to calling the driver's suspend |
| 435 | suspend method. The suspend method must be responsible for | 436 | method. The suspend method must be responsible for synchronizing with |
| 436 | synchronizing with the output request routine and the URB completion | 437 | the I/O request routine and the URB completion handler; it should |
| 437 | handler; it should cause autosuspends to fail with -EBUSY if the | 438 | cause autosuspends to fail with -EBUSY if the driver needs to use the |
| 438 | driver needs to use the device. | 439 | device. |
| 439 | 440 | ||
| 440 | External suspend calls should never be allowed to fail in this way, | 441 | External suspend calls should never be allowed to fail in this way, |
| 441 | only autosuspend calls. The driver can tell them apart by checking | 442 | only autosuspend calls. The driver can tell them apart by checking |
| @@ -472,7 +473,9 @@ Firstly, a device may already be autosuspended when a system suspend · 30 unmodified lines | |||
| 472 | occurs. Since system suspends are supposed to be as transparent as | 473 | occurs. Since system suspends are supposed to be as transparent as |
| 473 | possible, the device should remain suspended following the system | 474 | possible, the device should remain suspended following the system |
| 474 | resume. But this theory may not work out well in practice; over time | 475 | resume. But this theory may not work out well in practice; over time |
| 475 | the kernel's behavior in this regard has changed. | 476 | the kernel's behavior in this regard has changed. As of 2.6.37 the |
| 477 | policy is to resume all devices during a system resume and let them | ||
| 478 | handle their own runtime suspends afterward. | ||
| 476 | 479 | ||
| 477 | Secondly, a dynamic power-management event may occur as a system | 480 | Secondly, a dynamic power-management event may occur as a system |
| 478 | suspend is underway. The window for this is short, since system | 481 | suspend is underway. The window for this is short, since system |
| @@ -1,5 +1,5 @@ | |||
| 1 | 0 -> Unknown EM2800 video grabber (em2800) [eb1a:2800] | 1 | 0 -> Unknown EM2800 video grabber (em2800) [eb1a:2800] |
| 2 | 1 -> Unknown EM2750/28xx video grabber (em2820/em2840) [eb1a:2710,eb1a:2820,eb1a:2821,eb1a:2860,eb1a:2861,eb1a:2862,eb1a:2863,eb1a:2870,eb1a:2881,eb1a:2883,eb1a:2868] | 2 | 1 -> Unknown EM2750/28xx video grabber (em2820/em2840) [eb1a:2710,eb1a:2820,eb1a:2821,eb1a:2860,eb1a:2861,eb1a:2862,eb1a:2863,eb1a:2870,eb1a:2881,eb1a:2883,eb1a:2868,eb1a:2875] |
| 3 | 2 -> Terratec Cinergy 250 USB (em2820/em2840) [0ccd:0036] | 3 | 2 -> Terratec Cinergy 250 USB (em2820/em2840) [0ccd:0036] |
| 4 | 3 -> Pinnacle PCTV USB 2 (em2820/em2840) [2304:0208] | 4 | 3 -> Pinnacle PCTV USB 2 (em2820/em2840) [2304:0208] |
| 5 | 4 -> Hauppauge WinTV USB 2 (em2820/em2840) [2040:4200,2040:4201] | 5 | 4 -> Hauppauge WinTV USB 2 (em2820/em2840) [2040:4200,2040:4201] |
| @@ -9,7 +9,7 @@ · 3 unmodified lines | |||
| 9 | 8 -> Kworld USB2800 (em2800) | 9 | 8 -> Kworld USB2800 (em2800) |
| 10 | 9 -> Pinnacle Dazzle DVC 90/100/101/107 / Kaiser Baas Video to DVD maker (em2820/em2840) [1b80:e302,1b80:e304,2304:0207,2304:021a] | 10 | 9 -> Pinnacle Dazzle DVC 90/100/101/107 / Kaiser Baas Video to DVD maker (em2820/em2840) [1b80:e302,1b80:e304,2304:0207,2304:021a] |
| 11 | 10 -> Hauppauge WinTV HVR 900 (em2880) [2040:6500] | 11 | 10 -> Hauppauge WinTV HVR 900 (em2880) [2040:6500] |
| 12 | 11 -> Terratec Hybrid XS (em2880) [0ccd:0042] | 12 | 11 -> Terratec Hybrid XS (em2880) |
| 13 | 12 -> Kworld PVR TV 2800 RF (em2820/em2840) | 13 | 12 -> Kworld PVR TV 2800 RF (em2820/em2840) |
| 14 | 13 -> Terratec Prodigy XS (em2880) [0ccd:0047] | 14 | 13 -> Terratec Prodigy XS (em2880) [0ccd:0047] |
| 15 | 14 -> SIIG AVTuner-PVR / Pixelview Prolink PlayTV USB 2.0 (em2820/em2840) | 15 | 14 -> SIIG AVTuner-PVR / Pixelview Prolink PlayTV USB 2.0 (em2820/em2840) |
| @@ -53,7 +53,7 @@ · 37 unmodified lines | |||
| 53 | 52 -> DNT DA2 Hybrid (em2881) | 53 | 52 -> DNT DA2 Hybrid (em2881) |
| 54 | 53 -> Pinnacle Hybrid Pro (em2881) | 54 | 53 -> Pinnacle Hybrid Pro (em2881) |
| 55 | 54 -> Kworld VS-DVB-T 323UR (em2882) [eb1a:e323] | 55 | 54 -> Kworld VS-DVB-T 323UR (em2882) [eb1a:e323] |
| 56 | 55 -> Terratec Hybrid XS (em2882) (em2882) [0ccd:005e] | 56 | 55 -> Terratec Cinnergy Hybrid T USB XS (em2882) (em2882) [0ccd:005e,0ccd:0042] |
| 57 | 56 -> Pinnacle Hybrid Pro (2) (em2882) [2304:0226] | 57 | 56 -> Pinnacle Hybrid Pro (2) (em2882) [2304:0226] |
| 58 | 57 -> Kworld PlusTV HD Hybrid 330 (em2883) [eb1a:a316] | 58 | 57 -> Kworld PlusTV HD Hybrid 330 (em2883) [eb1a:a316] |
| 59 | 58 -> Compro VideoMate ForYou/Stereo (em2820/em2840) [185b:2041] | 59 | 58 -> Compro VideoMate ForYou/Stereo (em2820/em2840) [185b:2041] |
| @@ -180,3 +180,5 @@ · 179 unmodified lines | |||
| 180 | 179 -> Beholder BeholdTV A7 [5ace:7090] | 180 | 179 -> Beholder BeholdTV A7 [5ace:7090] |
| 181 | 180 -> Avermedia PCI M733A [1461:4155,1461:4255] | 181 | 180 -> Avermedia PCI M733A [1461:4155,1461:4255] |
| 182 | 181 -> TechoTrend TT-budget T-3000 [13c2:2804] | 182 | 181 -> TechoTrend TT-budget T-3000 [13c2:2804] |
| 183 | 182 -> Kworld PCI SBTVD/ISDB-T Full-Seg Hybrid [17de:b136] | ||
| 184 | 183 -> Compro VideoMate Vista M1F [185b:c900] | ||
| @@ -1,8 +0,0 @@ | |||
| 1 | # kbuild trick to avoid linker error. Can be omitted if a module is built. | ||
| 2 | obj- := dummy.o | ||
| 3 | |||
| 4 | # List of programs to build | ||
| 5 | hostprogs-y := v4lgrab | ||
| 6 | |||
| 7 | # Tell kbuild to always build the programs | ||
| 8 | always := $(hostprogs-y) | ||
| @@ -1,191 +0,0 @@ | |||
| 1 | This is a driver for the CPiA PPC2 driven parallel connected | ||
| 2 | Camera. For example the Creative WebcamII is CPiA driven. | ||
| 3 | |||
| 4 | ) [1]Peter Pregler, Linz 2000, published under the [2]GNU GPL | ||
| 5 | |||
| 6 | --------------------------------------------------------------------------- | ||
| 7 | |||
| 8 | USAGE: | ||
| 9 | |||
| 10 | General: | ||
| 11 | ======== | ||
| 12 | |||
| 13 | 1) Make sure you have created the video devices (/dev/video*): | ||
| 14 | |||
| 15 | - if you have a recent MAKEDEV do a 'cd /dev;./MAKEDEV video' | ||
| 16 | - otherwise do a: | ||
| 17 | |||
| 18 | cd /dev | ||
| 19 | mknod video0 c 81 0 | ||
| 20 | ln -s video0 video | ||
| 21 | |||
| 22 | 2) Compile the kernel (see below for the list of options to use), | ||
| 23 | configure your parport and reboot. | ||
| 24 | |||
| 25 | 3) If all worked well you should get messages similar | ||
| 26 | to the following (your versions may be different) on the console: | ||
| 27 | |||
| 28 | V4L-Driver for Vision CPiA based cameras v0.7.4 | ||
| 29 | parport0: read2 timeout. | ||
| 30 | parport0: Multimedia device, VLSI Vision Ltd PPC2 | ||
| 31 | Parallel port driver for Vision CPiA based camera | ||
| 32 | CPIA Version: 1.20 (2.0) | ||
| 33 | CPIA PnP-ID: 0553:0002:0100 | ||
| 34 | VP-Version: 1.0 0100 | ||
| 35 | 1 camera(s) found | ||
| 36 | |||
| 37 | |||
| 38 | As modules: | ||
| 39 | =========== | ||
| 40 | |||
| 41 | Make sure you have selected the following kernel options (you can | ||
| 42 | select all stuff as modules): | ||
| 43 | |||
| 44 | The cpia-stuff is in the section 'Character devices -> Video For Linux'. | ||
| 45 | |||
| 46 | CONFIG_PARPORT=m | ||
| 47 | CONFIG_PARPORT_PC=m | ||
| 48 | CONFIG_PARPORT_PC_FIFO=y | ||
| 49 | CONFIG_PARPORT_1284=y | ||
| 50 | CONFIG_VIDEO_DEV=m | ||
| 51 | CONFIG_VIDEO_CPIA=m | ||
| 52 | CONFIG_VIDEO_CPIA_PP=m | ||
| 53 | |||
| 54 | For autoloading of all those modules you need to tell module-init-tools | ||
| 55 | some stuff. Add the following line to your module-init-tools config-file | ||
| 56 | (e.g. /etc/modprobe.conf or wherever your distribution does store that | ||
| 57 | stuff): | ||
| 58 | |||
| 59 | options parport_pc io=0x378 irq=7 dma=3 | ||
| 60 | alias char-major-81 cpia_pp | ||
| 61 | |||
| 62 | The first line tells the dma/irq channels to use. Those _must_ match | ||
| 63 | the settings of your BIOS. Do NOT simply use the values above. See | ||
| 64 | Documentation/parport.txt for more information about this. The second | ||
| 65 | line associates the video-device file with the driver. Of cause you | ||
| 66 | can also load the modules once upon boot (usually done in /etc/modules). | ||
| 67 | |||
| 68 | Linked into the kernel: | ||
| 69 | ======================= | ||
| 70 | |||
| 71 | Make sure you have selected the following kernel options. Note that | ||
| 72 | you cannot compile the parport-stuff as modules and the cpia-driver | ||
| 73 | statically (the other way round is okay though). | ||
| 74 | |||
| 75 | The cpia-stuff is in the section 'Character devices -> Video For Linux'. | ||
| 76 | |||
| 77 | CONFIG_PARPORT=y | ||
| 78 | CONFIG_PARPORT_PC=y | ||
| 79 | CONFIG_PARPORT_PC_FIFO=y | ||
| 80 | CONFIG_PARPORT_1284=y | ||
| 81 | CONFIG_VIDEO_DEV=y | ||
| 82 | CONFIG_VIDEO_CPIA=y | ||
| 83 | CONFIG_VIDEO_CPIA_PP=y | ||
| 84 | |||
| 85 | To use DMA/irq you will need to tell the kernel upon boot time the | ||
| 86 | hardware configuration of the parport. You can give the boot-parameter | ||
| 87 | at the LILO-prompt or specify it in lilo.conf. I use the following | ||
| 88 | append-line in lilo.conf: | ||
| 89 | |||
| 90 | append="parport=0x378,7,3" | ||
| 91 | |||
| 92 | See Documentation/parport.txt for more information about the | ||
| 93 | configuration of the parport and the values given above. Do not simply | ||
| 94 | use the values given above. | ||
| 95 | |||
| 96 | --------------------------------------------------------------------------- | ||
| 97 | FEATURES: | ||
| 98 | |||
| 99 | - mmap/read v4l-interface (but no overlay) | ||
| 100 | - image formats: CIF/QCIF, SIF/QSIF, various others used by isabel; | ||
| 101 | note: all sizes except CIF/QCIF are implemented by clipping, i.e. | ||
| 102 | pixels are not uploaded from the camera | ||
| 103 | - palettes: VIDEO_PALETTE_GRAY, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB555, | ||
| 104 | VIDEO_PALETTE_RGB24, VIDEO_PALETTE_RGB32, VIDEO_PALETTE_YUYV, | ||
| 105 | VIDEO_PALETTE_UYVY, VIDEO_PALETTE_YUV422 | ||
| 106 | - state information (color balance, exposure, ...) is preserved between | ||
| 107 | device opens | ||
| 108 | - complete control over camera via proc-interface (_all_ camera settings are | ||
| 109 | supported), there is also a python-gtk application available for this [3] | ||
| 110 | - works under SMP (but the driver is completely serialized and synchronous) | ||
| 111 | so you get no benefit from SMP, but at least it does not crash your box | ||
| 112 | - might work for non-Intel architecture, let us know about this | ||
| 113 | |||
| 114 | --------------------------------------------------------------------------- | ||
| 115 | TESTED APPLICATIONS: | ||
| 116 | |||
| 117 | - a simple test application based on Xt is available at [3] | ||
| 118 | - another test-application based on gqcam-0.4 (uses GTK) | ||
| 119 | - gqcam-0.6 should work | ||
| 120 | - xawtv-3.x (also the webcam software) | ||
| 121 | - xawtv-2.46 | ||
| 122 | - w3cam (cgi-interface and vidcat, e.g. you may try out 'vidcat |xv | ||
| 123 | -maxpect -root -quit +noresetroot -rmode 5 -') | ||
| 124 | - vic, the MBONE video conferencing tool (version 2.8ucl4-1) | ||
| 125 | - isabel 3R4beta (barely working, but AFAICT all the problems are on | ||
| 126 | their side) | ||
| 127 | - camserv-0.40 | ||
| 128 | |||
| 129 | See [3] for pointers to v4l-applications. | ||
| 130 | |||
| 131 | --------------------------------------------------------------------------- | ||
| 132 | KNOWN PROBLEMS: | ||
| 133 | |||
| 134 | - some applications do not handle the image format correctly, you will | ||
| 135 | see strange horizontal stripes instead of a nice picture -> make sure | ||
| 136 | your application does use a supported image size or queries the driver | ||
| 137 | for the actually used size (reason behind this: the camera cannot | ||
| 138 | provide any image format, so if size NxM is requested the driver will | ||
| 139 | use a format to the closest fitting N1xM1, the application should now | ||
| 140 | query for this granted size, most applications do not). | ||
| 141 | - all the todo ;) | ||
| 142 | - if there is not enough light and the picture is too dark try to | ||
| 143 | adjust the SetSensorFPS setting, automatic frame rate adjustment | ||
| 144 | has its price | ||
| 145 | - do not try out isabel 3R4beta (built 135), you will be disappointed | ||
| 146 | |||
| 147 | --------------------------------------------------------------------------- | ||
| 148 | TODO: | ||
| 149 | |||
| 150 | - multiple camera support (struct camera or something) - This should work, | ||
| 151 | but hasn't been tested yet. | ||
| 152 | - architecture independence? | ||
| 153 | - SMP-safe asynchronous mmap interface | ||
| 154 | - nibble mode for old parport interfaces | ||
| 155 | - streaming capture, this should give a performance gain | ||
| 156 | |||
| 157 | --------------------------------------------------------------------------- | ||
| 158 | IMPLEMENTATION NOTES: | ||
| 159 | |||
| 160 | The camera can act in two modes, streaming or grabbing. Right now a | ||
| 161 | polling grab-scheme is used. Maybe interrupt driven streaming will be | ||
| 162 | used for a asynchronous mmap interface in the next major release of the | ||
| 163 | driver. This might give a better frame rate. | ||
| 164 | |||
| 165 | --------------------------------------------------------------------------- | ||
| 166 | THANKS (in no particular order): | ||
| 167 | |||
| 168 | - Scott J. Bertin <sbertin@mindspring.com> for cleanups, the proc-filesystem | ||
| 169 | and much more | ||
| 170 | - Henry Bruce <whb@vvl.co.uk> for providing developers information about | ||
| 171 | the CPiA chip, I wish all companies would treat Linux as seriously | ||
| 172 | - Karoly Erdei <Karoly.Erdei@risc.uni-linz.ac.at> and RISC-Linz for being | ||
| 173 | my boss ;) resp. my employer and for providing me the hardware and | ||
| 174 | allow me to devote some working time to this project | ||
| 175 | - Manuel J. Petit de Gabriel <mpetit@dit.upm.es> for providing help | ||
| 176 | with Isabel (http://isabel.dit.upm.es/) | ||
| 177 | - Bas Huisman <bhuism@cs.utwente.nl> for writing the initial parport code | ||
| 178 | - Jarl Totland <Jarl.Totland@bdc.no> for setting up the mailing list | ||
| 179 | and maintaining the web-server[3] | ||
| 180 | - Chris Whiteford <Chris@informinteractive.com> for fixes related to the | ||
| 181 | 1.02 firmware | ||
| 182 | - special kudos to all the tester whose machines crashed and/or | ||
| 183 | will crash. :) | ||
| 184 | |||
| 185 | --------------------------------------------------------------------------- | ||
| 186 | REFERENCES | ||
| 187 | |||
| 188 | 1. http://www.risc.uni-linz.ac.at/ | ||
| 189 | mailto:Peter_Pregler@email.com | ||
| 190 | 2. see the file COPYING in the top directory of the kernel tree | ||
| 191 | 3. http://webcam.sourceforge.net/ | ||
| @@ -322,76 +322,11 @@ your IRQs and make sure the card has its own interrupts. · 321 unmodified lines | |||
| 322 | 322 | ||
| 323 | 4. Programming interface | 323 | 4. Programming interface |
| 324 | 324 | ||
| 325 | This driver conforms to video4linux and video4linux2, both can be used to | 325 | This driver conforms to video4linux2. Support for V4L1 and for the custom |
| 326 | use the driver. Since video4linux didn't provide adequate calls to fully | 326 | zoran ioctls has been removed in kernel 2.6.38. |
| 327 | use the cards' features, we've introduced several programming extensions, | ||
| 328 | which are currently officially accepted in the 2.4.x branch of the kernel. | ||
| 329 | These extensions are known as the v4l/mjpeg extensions. See zoran.h for | ||
| 330 | details (structs/ioctls). | ||
| 331 | |||
| 332 | Information - video4linux: | ||
| 333 | http://linux.bytesex.org/v4l2/API.html | ||
| 334 | Documentation/video4linux/API.html | ||
| 335 | /usr/include/linux/videodev.h | ||
| 336 | |||
| 337 | Information - video4linux/mjpeg extensions: | ||
| 338 | ./zoran.h | ||
| 339 | (also see below) | ||
| 340 | |||
| 341 | Information - video4linux2: | ||
| 342 | http://linuxtv.org | ||
| 343 | http://v4l2spec.bytesex.org/ | ||
| 344 | /usr/include/linux/videodev2.h | ||
| 345 | |||
| 346 | More information on the video4linux/mjpeg extensions, by Serguei | ||
| 347 | Miridonovi and Rainer Johanni: | ||
| 348 | -- | ||
| 349 | The ioctls for that interface are as follows: | ||
| 350 | |||
| 351 | BUZIOC_G_PARAMS | ||
| 352 | BUZIOC_S_PARAMS | ||
| 353 | |||
| 354 | Get and set the parameters of the buz. The user should always do a | ||
| 355 | BUZIOC_G_PARAMS (with a struct buz_params) to obtain the default | ||
| 356 | settings, change what he likes and then make a BUZIOC_S_PARAMS call. | ||
| 357 | |||
| 358 | BUZIOC_REQBUFS | ||
| 359 | |||
| 360 | Before being able to capture/playback, the user has to request | ||
| 361 | the buffers he is wanting to use. Fill the structure | ||
| 362 | zoran_requestbuffers with the size (recommended: 256*1024) and | ||
| 363 | the number (recommended 32 up to 256). There are no such restrictions | ||
| 364 | as for the Video for Linux buffers, you should LEAVE SUFFICIENT | ||
| 365 | MEMORY for your system however, else strange things will happen .... | ||
| 366 | On return, the zoran_requestbuffers structure contains number and | ||
| 367 | size of the actually allocated buffers. | ||
| 368 | You should use these numbers for doing a mmap of the buffers | ||
| 369 | into the user space. | ||
| 370 | The BUZIOC_REQBUFS ioctl also makes it happen, that the next mmap | ||
| 371 | maps the MJPEG buffer instead of the V4L buffers. | ||
| 372 | |||
| 373 | BUZIOC_QBUF_CAPT | ||
| 374 | BUZIOC_QBUF_PLAY | ||
| 375 | |||
| 376 | Queue a buffer for capture or playback. The first call also starts | ||
| 377 | streaming capture. When streaming capture is going on, you may | ||
| 378 | only queue further buffers or issue syncs until streaming | ||
| 379 | capture is switched off again with a argument of -1 to | ||
| 380 | a BUZIOC_QBUF_CAPT/BUZIOC_QBUF_PLAY ioctl. | ||
| 381 | |||
| 382 | BUZIOC_SYNC | ||
| 383 | |||
| 384 | Issue this ioctl when all buffers are queued. This ioctl will | ||
| 385 | block until the first buffer becomes free for saving its | ||
| 386 | data to disk (after BUZIOC_QBUF_CAPT) or for reuse (after BUZIOC_QBUF_PLAY). | ||
| 387 | |||
| 388 | BUZIOC_G_STATUS | ||
| 389 | |||
| 390 | Get the status of the input lines (video source connected/norm). | ||
| 391 | 327 | ||
| 392 | For programming example, please, look at lavrec.c and lavplay.c code in | 328 | For programming example, please, look at lavrec.c and lavplay.c code in |
| 393 | lavtools-1.2p2 package (URL: http://www.cicese.mx/) | 329 | the MJPEG-tools (http://mjpeg.sf.net/). |
| 394 | and the 'examples' directory in the original Buz driver distribution. | ||
| 395 | 330 | ||
| 396 | Additional notes for software developers: | 331 | Additional notes for software developers: |
| 397 | 332 | ||
| @@ -402,9 +337,6 @@ Additional notes for software developers: · 4 unmodified lines | |||
| 402 | standard is "more constant" for current country than geometry | 337 | standard is "more constant" for current country than geometry |
| 403 | settings of a variety of TV capture cards which may work in ITU or | 338 | settings of a variety of TV capture cards which may work in ITU or |
| 404 | square pixel format. | 339 | square pixel format. |
| 405 | -- | ||
| 406 | Please note that lavplay/lavrec are also included in the MJPEG-tools | ||
| 407 | (http://mjpeg.sf.net/). | ||
| 408 | 340 | ||
| 409 | =========================== | 341 | =========================== |
| 410 | 342 | ||
| @@ -464,10 +464,6 @@ Siemens · 463 unmodified lines | |||
| 464 | ------- | 464 | ------- |
| 465 | Multimedia eXtension Board (MXB) (SAA7146, SAA7111) | 465 | Multimedia eXtension Board (MXB) (SAA7146, SAA7111) |
| 466 | 466 | ||
| 467 | Stradis | ||
| 468 | ------- | ||
| 469 | SDM275,SDM250,SDM026,SDM025 (SAA7146, IBMMPEG2): MPEG2 decoder only | ||
| 470 | |||
| 471 | Powercolor | 467 | Powercolor |
| 472 | ---------- | 468 | ---------- |
| 473 | MTV878 | 469 | MTV878 |
| @@ -366,6 +366,7 @@ t613 17a1:0128 TASCORP JPEG Webcam, NGS Cyclops · 365 unmodified lines | |||
| 366 | vc032x 17ef:4802 Lenovo Vc0323+MI1310_SOC | 366 | vc032x 17ef:4802 Lenovo Vc0323+MI1310_SOC |
| 367 | pac207 2001:f115 D-Link DSB-C120 | 367 | pac207 2001:f115 D-Link DSB-C120 |
| 368 | sq905c 2770:9050 Disney pix micro (CIF) | 368 | sq905c 2770:9050 Disney pix micro (CIF) |
| 369 | sq905c 2770:9051 Lego Bionicle | ||
| 369 | sq905c 2770:9052 Disney pix micro 2 (VGA) | 370 | sq905c 2770:9052 Disney pix micro 2 (VGA) |
| 370 | sq905c 2770:905c All 11 known cameras with this ID | 371 | sq905c 2770:905c All 11 known cameras with this ID |
| 371 | sq905 2770:9120 All 24 known cameras with this ID | 372 | sq905 2770:9120 All 24 known cameras with this ID |
| @@ -45,8 +45,6 @@ module argument syntax (<param>=<value> when passing the option to the · 44 unmodified lines | |||
| 45 | module or meye.<param>=<value> on the kernel boot line when meye is | 45 | module or meye.<param>=<value> on the kernel boot line when meye is |
| 46 | statically linked into the kernel). Those options are: | 46 | statically linked into the kernel). Those options are: |
| 47 | 47 | ||
| 48 | forcev4l1: force use of V4L1 API instead of V4L2 | ||
| 49 | |||
| 50 | gbuffers: number of capture buffers, default is 2 (32 max) | 48 | gbuffers: number of capture buffers, default is 2 (32 max) |
| 51 | 49 | ||
| 52 | gbufsize: size of each capture buffer, default is 614400 | 50 | gbufsize: size of each capture buffer, default is 614400 |
| @@ -79,9 +77,8 @@ Usage: · 26 unmodified lines | |||
| 79 | Private API: | 77 | Private API: |
| 80 | ------------ | 78 | ------------ |
| 81 | 79 | ||
| 82 | The driver supports frame grabbing with the video4linux API | 80 | The driver supports frame grabbing with the video4linux API, |
| 83 | (either v4l1 or v4l2), so all video4linux tools (like xawtv) | 81 | so all video4linux tools (like xawtv) should work with this driver. |
| 84 | should work with this driver. | ||
| 85 | 82 | ||
| 86 | Besides the video4linux interface, the driver has a private interface | 83 | Besides the video4linux interface, the driver has a private interface |
| 87 | for accessing the Motion Eye extended parameters (camera sharpness, | 84 | for accessing the Motion Eye extended parameters (camera sharpness, |
| @@ -123,7 +120,4 @@ Private API: · 35 unmodified lines | |||
| 123 | Bugs / Todo: | 120 | Bugs / Todo: |
| 124 | ------------ | 121 | ------------ |
| 125 | 122 | ||
| 126 | - the driver could be much cleaned up by removing the v4l1 support. | ||
| 127 | However, this means all v4l1-only applications will stop working. | ||
| 128 | |||
| 129 | - 'motioneye' still uses the meye private v4l1 API extensions. | 123 | - 'motioneye' still uses the meye private v4l1 API extensions. |
| @@ -285,6 +285,9 @@ implement g_volatile_ctrl like this: · 284 unmodified lines | |||
| 285 | The 'new value' union is not used in g_volatile_ctrl. In general controls | 285 | The 'new value' union is not used in g_volatile_ctrl. In general controls |
| 286 | that need to implement g_volatile_ctrl are read-only controls. | 286 | that need to implement g_volatile_ctrl are read-only controls. |
| 287 | 287 | ||
| 288 | Note that if one or more controls in a control cluster are marked as volatile, | ||
| 289 | then all the controls in the cluster are seen as volatile. | ||
| 290 | |||
| 288 | To mark a control as volatile you have to set the is_volatile flag: | 291 | To mark a control as volatile you have to set the is_volatile flag: |
| 289 | 292 | ||
| 290 | ctrl = v4l2_ctrl_new_std(&sd->ctrl_handler, ...); | 293 | ctrl = v4l2_ctrl_new_std(&sd->ctrl_handler, ...); |
| @@ -462,6 +465,15 @@ pointer to the v4l2_ctrl_ops struct that is used for that cluster. · 171 unmodified lines | |||
| 462 | Obviously, all controls in the cluster array must be initialized to either | 465 | Obviously, all controls in the cluster array must be initialized to either |
| 463 | a valid control or to NULL. | 466 | a valid control or to NULL. |
| 464 | 467 | ||
| 468 | In rare cases you might want to know which controls of a cluster actually | ||
| 469 | were set explicitly by the user. For this you can check the 'is_new' flag of | ||
| 470 | each control. For example, in the case of a volume/mute cluster the 'is_new' | ||
| 471 | flag of the mute control would be set if the user called VIDIOC_S_CTRL for | ||
| 472 | mute only. If the user would call VIDIOC_S_EXT_CTRLS for both mute and volume | ||
| 473 | controls, then the 'is_new' flag would be 1 for both controls. | ||
| 474 | |||
| 475 | The 'is_new' flag is always 1 when called from v4l2_ctrl_handler_setup(). | ||
| 476 | |||
| 465 | 477 | ||
| 466 | VIDIOC_LOG_STATUS Support | 478 | VIDIOC_LOG_STATUS Support |
| 467 | ========================= | 479 | ========================= |
| @@ -1,201 +0,0 @@ | |||
| 1 | /* Simple Video4Linux image grabber. */ | ||
| 2 | /* | ||
| 3 | * Video4Linux Driver Test/Example Framegrabbing Program | ||
| 4 | * | ||
| 5 | * Compile with: | ||
| 6 | * gcc -s -Wall -Wstrict-prototypes v4lgrab.c -o v4lgrab | ||
| 7 | * Use as: | ||
| 8 | * v4lgrab >image.ppm | ||
| 9 | * | ||
| 10 | * Copyright (C) 1998-05-03, Phil Blundell <philb@gnu.org> | ||
| 11 | * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c | ||
| 12 | * with minor modifications (Dave Forrest, drf5n@virginia.edu). | ||
| 13 | * | ||
| 14 | * | ||
| 15 | * For some cameras you may need to pre-load libv4l to perform | ||
| 16 | * the necessary decompression, e.g.: | ||
| 17 | * | ||
| 18 | * export LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so | ||
| 19 | * ./v4lgrab >image.ppm | ||
| 20 | * | ||
| 21 | * see http://hansdegoede.livejournal.com/3636.html for details. | ||
| 22 | * | ||
| 23 | */ | ||
| 24 | |||
| 25 | #include <unistd.h> | ||
| 26 | #include <sys/types.h> | ||
| 27 | #include <sys/stat.h> | ||
| 28 | #include <fcntl.h> | ||
| 29 | #include <stdio.h> | ||
| 30 | #include <sys/ioctl.h> | ||
| 31 | #include <stdlib.h> | ||
| 32 | |||
| 33 | #include <linux/types.h> | ||
| 34 | #include <linux/videodev.h> | ||
| 35 | |||
| 36 | #define VIDEO_DEV "/dev/video0" | ||
| 37 | |||
| 38 | /* Stole this from tvset.c */ | ||
| 39 | |||
| 40 | #define READ_VIDEO_PIXEL(buf, format, depth, r, g, b) \ | ||
| 41 | { \ | ||
| 42 | switch (format) \ | ||
| 43 | { \ | ||
| 44 | case VIDEO_PALETTE_GREY: \ | ||
| 45 | switch (depth) \ | ||
| 46 | { \ | ||
| 47 | case 4: \ | ||
| 48 | case 6: \ | ||
| 49 | case 8: \ | ||
| 50 | (r) = (g) = (b) = (*buf++ << 8);\ | ||
| 51 | break; \ | ||
| 52 | \ | ||
| 53 | case 16: \ | ||
| 54 | (r) = (g) = (b) = \ | ||
| 55 | *((unsigned short *) buf); \ | ||
| 56 | buf += 2; \ | ||
| 57 | break; \ | ||
| 58 | } \ | ||
| 59 | break; \ | ||
| 60 | \ | ||
| 61 | \ | ||
| 62 | case VIDEO_PALETTE_RGB565: \ | ||
| 63 | { \ | ||
| 64 | unsigned short tmp = *(unsigned short *)buf; \ | ||
| 65 | (r) = tmp&0xF800; \ | ||
| 66 | (g) = (tmp<<5)&0xFC00; \ | ||
| 67 | (b) = (tmp<<11)&0xF800; \ | ||
| 68 | buf += 2; \ | ||
| 69 | } \ | ||
| 70 | break; \ | ||
| 71 | \ | ||
| 72 | case VIDEO_PALETTE_RGB555: \ | ||
| 73 | (r) = (buf[0]&0xF8)<<8; \ | ||
| 74 | (g) = ((buf[0] << 5 | buf[1] >> 3)&0xF8)<<8; \ | ||
| 75 | (b) = ((buf[1] << 2 ) & 0xF8)<<8; \ | ||
| 76 | buf += 2; \ | ||
| 77 | break; \ | ||
| 78 | \ | ||
| 79 | case VIDEO_PALETTE_RGB24: \ | ||
| 80 | (r) = buf[0] << 8; (g) = buf[1] << 8; \ | ||
| 81 | (b) = buf[2] << 8; \ | ||
| 82 | buf += 3; \ | ||
| 83 | break; \ | ||
| 84 | \ | ||
| 85 | default: \ | ||
| 86 | fprintf(stderr, \ | ||
| 87 | "Format %d not yet supported\n", \ | ||
| 88 | format); \ | ||
| 89 | } \ | ||
| 90 | } | ||
| 91 | |||
| 92 | static int get_brightness_adj(unsigned char *image, long size, int *brightness) { | ||
| 93 | long i, tot = 0; | ||
| 94 | for (i=0;i<size*3;i++) | ||
| 95 | tot += image[i]; | ||
| 96 | *brightness = (128 - tot/(size*3))/3; | ||
| 97 | return !((tot/(size*3)) >= 126 && (tot/(size*3)) <= 130); | ||
| 98 | } | ||
| 99 | |||
| 100 | int main(int argc, char ** argv) | ||
| 101 | { | ||
| 102 | int fd = open(VIDEO_DEV, O_RDONLY), f; | ||
| 103 | struct video_capability cap; | ||
| 104 | struct video_window win; | ||
| 105 | struct video_picture vpic; | ||
| 106 | |||
| 107 | unsigned char *buffer, *src; | ||
| 108 | int bpp = 24, r = 0, g = 0, b = 0; | ||
| 109 | unsigned int i, src_depth = 16; | ||
| 110 | |||
| 111 | if (fd < 0) { | ||
| 112 | perror(VIDEO_DEV); | ||
| 113 | exit(1); | ||
| 114 | } | ||
| 115 | |||
| 116 | if (ioctl(fd, VIDIOCGCAP, &cap) < 0) { | ||
| 117 | perror("VIDIOGCAP"); | ||
| 118 | fprintf(stderr, "(" VIDEO_DEV " not a video4linux device?)\n"); | ||
| 119 | close(fd); | ||
| 120 | exit(1); | ||
| 121 | } | ||
| 122 | |||
| 123 | if (ioctl(fd, VIDIOCGWIN, &win) < 0) { | ||
| 124 | perror("VIDIOCGWIN"); | ||
| 125 | close(fd); | ||
| 126 | exit(1); | ||
| 127 | } | ||
| 128 | |||
| 129 | if (ioctl(fd, VIDIOCGPICT, &vpic) < 0) { | ||
| 130 | perror("VIDIOCGPICT"); | ||
| 131 | close(fd); | ||
| 132 | exit(1); | ||
| 133 | } | ||
| 134 | |||
| 135 | if (cap.type & VID_TYPE_MONOCHROME) { | ||
| 136 | vpic.depth=8; | ||
| 137 | vpic.palette=VIDEO_PALETTE_GREY; /* 8bit grey */ | ||
| 138 | if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { | ||
| 139 | vpic.depth=6; | ||
| 140 | if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { | ||
| 141 | vpic.depth=4; | ||
| 142 | if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { | ||
| 143 | fprintf(stderr, "Unable to find a supported capture format.\n"); | ||
| 144 | close(fd); | ||
| 145 | exit(1); | ||
| 146 | } | ||
| 147 | } | ||
| 148 | } | ||
| 149 | } else { | ||
| 150 | vpic.depth=24; | ||
| 151 | vpic.palette=VIDEO_PALETTE_RGB24; | ||
| 152 | |||
| 153 | if(ioctl(fd, VIDIOCSPICT, &vpic) < 0) { | ||
| 154 | vpic.palette=VIDEO_PALETTE_RGB565; | ||
| 155 | vpic.depth=16; | ||
| 156 | |||
| 157 | if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { | ||
| 158 | vpic.palette=VIDEO_PALETTE_RGB555; | ||
| 159 | vpic.depth=15; | ||
| 160 | |||
| 161 | if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { | ||
| 162 | fprintf(stderr, "Unable to find a supported capture format.\n"); | ||
| 163 | return -1; | ||
| 164 | } | ||
| 165 | } | ||
| 166 | } | ||
| 167 | } | ||
| 168 | |||
| 169 | buffer = malloc(win.width * win.height * bpp); | ||
| 170 | if (!buffer) { | ||
| 171 | fprintf(stderr, "Out of memory.\n"); | ||
| 172 | exit(1); | ||
| 173 | } | ||
| 174 | |||
| 175 | do { | ||
| 176 | int newbright; | ||
| 177 | read(fd, buffer, win.width * win.height * bpp); | ||
| 178 | f = get_brightness_adj(buffer, win.width * win.height, &newbright); | ||
| 179 | if (f) { | ||
| 180 | vpic.brightness += (newbright << 8); | ||
| 181 | if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) { | ||
| 182 | perror("VIDIOSPICT"); | ||
| 183 | break; | ||
| 184 | } | ||
| 185 | } | ||
| 186 | } while (f); | ||
| 187 | |||
| 188 | fprintf(stdout, "P6\n%d %d 255\n", win.width, win.height); | ||
| 189 | |||
| 190 | src = buffer; | ||
| 191 | |||
| 192 | for (i = 0; i < win.width * win.height; i++) { | ||
| 193 | READ_VIDEO_PIXEL(src, vpic.palette, src_depth, r, g, b); | ||
| 194 | fputc(r>>8, stdout); | ||
| 195 | fputc(g>>8, stdout); | ||
| 196 | fputc(b>>8, stdout); | ||
| 197 | } | ||
| 198 | |||
| 199 | close(fd); | ||
| 200 | return 0; | ||
| 201 | } | ||
| @@ -247,8 +247,6 @@ calls. The relevant helper functions are: · 246 unmodified lines | |||
| 247 | int nonblocking); | 247 | int nonblocking); |
| 248 | int videobuf_streamon(struct videobuf_queue *q); | 248 | int videobuf_streamon(struct videobuf_queue *q); |
| 249 | int videobuf_streamoff(struct videobuf_queue *q); | 249 | int videobuf_streamoff(struct videobuf_queue *q); |
| 250 | int videobuf_cgmbuf(struct videobuf_queue *q, struct video_mbuf *mbuf, | ||
| 251 | int count); | ||
| 252 | 250 | ||
| 253 | So, for example, a VIDIOC_REQBUFS call turns into a call to the driver's | 251 | So, for example, a VIDIOC_REQBUFS call turns into a call to the driver's |
| 254 | vidioc_reqbufs() callback which, in turn, usually only needs to locate the | 252 | vidioc_reqbufs() callback which, in turn, usually only needs to locate the |
| @@ -258,10 +256,7 @@ boilerplate in a lot of V4L2 drivers. · 3 unmodified lines | |||
| 258 | 256 | ||
| 259 | The vidioc_streamon() and vidioc_streamoff() functions will be a bit more | 257 | The vidioc_streamon() and vidioc_streamoff() functions will be a bit more |
| 260 | complex, of course, since they will also need to deal with starting and | 258 | complex, of course, since they will also need to deal with starting and |
| 261 | stopping the capture engine. videobuf_cgmbuf(), called from the driver's | 259 | stopping the capture engine. |
| 262 | vidiocgmbuf() function, only exists if the V4L1 compatibility module has | ||
| 263 | been selected with CONFIG_VIDEO_V4L1_COMPAT, so its use must be surrounded | ||
| 264 | with #ifdef directives. | ||
| 265 | 260 | ||
| 266 | Buffer allocation | 261 | Buffer allocation |
| 267 | 262 | ||
| @@ -2,7 +2,7 @@ · 1 unmodified line | |||
| 2 | obj- := dummy.o | 2 | obj- := dummy.o |
| 3 | 3 | ||
| 4 | # List of programs to build | 4 | # List of programs to build |
| 5 | hostprogs-y := slabinfo page-types hugepage-mmap hugepage-shm map_hugetlb | 5 | hostprogs-y := page-types hugepage-mmap hugepage-shm map_hugetlb |
| 6 | 6 | ||
| 7 | # Tell kbuild to always build the programs | 7 | # Tell kbuild to always build the programs |
| 8 | always := $(hostprogs-y) | 8 | always := $(hostprogs-y) |
| @@ -0,0 +1,298 @@ | |||
| 1 | = Transparent Hugepage Support = | ||
| 2 | |||
| 3 | == Objective == | ||
| 4 | |||
| 5 | Performance critical computing applications dealing with large memory | ||
| 6 | working sets are already running on top of libhugetlbfs and in turn | ||
| 7 | hugetlbfs. Transparent Hugepage Support is an alternative means of | ||
| 8 | using huge pages for the backing of virtual memory with huge pages | ||
| 9 | that supports the automatic promotion and demotion of page sizes and | ||
| 10 | without the shortcomings of hugetlbfs. | ||
| 11 | |||
| 12 | Currently it only works for anonymous memory mappings but in the | ||
| 13 | future it can expand over the pagecache layer starting with tmpfs. | ||
| 14 | |||
| 15 | The reason applications are running faster is because of two | ||
| 16 | factors. The first factor is almost completely irrelevant and it's not | ||
| 17 | of significant interest because it'll also have the downside of | ||
| 18 | requiring larger clear-page copy-page in page faults which is a | ||
| 19 | potentially negative effect. The first factor consists in taking a | ||
| 20 | single page fault for each 2M virtual region touched by userland (so | ||
| 21 | reducing the enter/exit kernel frequency by a 512 times factor). This | ||
| 22 | only matters the first time the memory is accessed for the lifetime of | ||
| 23 | a memory mapping. The second long lasting and much more important | ||
| 24 | factor will affect all subsequent accesses to the memory for the whole | ||
| 25 | runtime of the application. The second factor consist of two | ||
| 26 | components: 1) the TLB miss will run faster (especially with | ||
| 27 | virtualization using nested pagetables but almost always also on bare | ||
| 28 | metal without virtualization) and 2) a single TLB entry will be | ||
| 29 | mapping a much larger amount of virtual memory in turn reducing the | ||
| 30 | number of TLB misses. With virtualization and nested pagetables the | ||
| 31 | TLB can be mapped of larger size only if both KVM and the Linux guest | ||
| 32 | are using hugepages but a significant speedup already happens if only | ||
| 33 | one of the two is using hugepages just because of the fact the TLB | ||
| 34 | miss is going to run faster. | ||
| 35 | |||
| 36 | == Design == | ||
| 37 | |||
| 38 | - "graceful fallback": mm components which don't have transparent | ||
| 39 | hugepage knowledge fall back to breaking a transparent hugepage and | ||
| 40 | working on the regular pages and their respective regular pmd/pte | ||
| 41 | mappings | ||
| 42 | |||
| 43 | - if a hugepage allocation fails because of memory fragmentation, | ||
| 44 | regular pages should be gracefully allocated instead and mixed in | ||
| 45 | the same vma without any failure or significant delay and without | ||
| 46 | userland noticing | ||
| 47 | |||
| 48 | - if some task quits and more hugepages become available (either | ||
| 49 | immediately in the buddy or through the VM), guest physical memory | ||
| 50 | backed by regular pages should be relocated on hugepages | ||
| 51 | automatically (with khugepaged) | ||
| 52 | |||
| 53 | - it doesn't require memory reservation and in turn it uses hugepages | ||
| 54 | whenever possible (the only possible reservation here is kernelcore= | ||
| 55 | to avoid unmovable pages to fragment all the memory but such a tweak | ||
| 56 | is not specific to transparent hugepage support and it's a generic | ||
| 57 | feature that applies to all dynamic high order allocations in the | ||
| 58 | kernel) | ||
| 59 | |||
| 60 | - this initial support only offers the feature in the anonymous memory | ||
| 61 | regions but it'd be ideal to move it to tmpfs and the pagecache | ||
| 62 | later | ||
| 63 | |||
| 64 | Transparent Hugepage Support maximizes the usefulness of free memory | ||
| 65 | if compared to the reservation approach of hugetlbfs by allowing all | ||
| 66 | unused memory to be used as cache or other movable (or even unmovable | ||
| 67 | entities). It doesn't require reservation to prevent hugepage | ||
| 68 | allocation failures to be noticeable from userland. It allows paging | ||
| 69 | and all other advanced VM features to be available on the | ||
| 70 | hugepages. It requires no modifications for applications to take | ||
| 71 | advantage of it. | ||
| 72 | |||
| 73 | Applications however can be further optimized to take advantage of | ||
| 74 | this feature, like for example they've been optimized before to avoid | ||
| 75 | a flood of mmap system calls for every malloc(4k). Optimizing userland | ||
| 76 | is by far not mandatory and khugepaged already can take care of long | ||
| 77 | lived page allocations even for hugepage unaware applications that | ||
| 78 | deals with large amounts of memory. | ||
| 79 | |||
| 80 | In certain cases when hugepages are enabled system wide, application | ||
| 81 | may end up allocating more memory resources. An application may mmap a | ||
| 82 | large region but only touch 1 byte of it, in that case a 2M page might | ||
| 83 | be allocated instead of a 4k page for no good. This is why it's | ||
| 84 | possible to disable hugepages system-wide and to only have them inside | ||
| 85 | MADV_HUGEPAGE madvise regions. | ||
| 86 | |||
| 87 | Embedded systems should enable hugepages only inside madvise regions | ||
| 88 | to eliminate any risk of wasting any precious byte of memory and to | ||
| 89 | only run faster. | ||
| 90 | |||
| 91 | Applications that gets a lot of benefit from hugepages and that don't | ||
| 92 | risk to lose memory by using hugepages, should use | ||
| 93 | madvise(MADV_HUGEPAGE) on their critical mmapped regions. | ||
| 94 | |||
| 95 | == sysfs == | ||
| 96 | |||
| 97 | Transparent Hugepage Support can be entirely disabled (mostly for | ||
| 98 | debugging purposes) or only enabled inside MADV_HUGEPAGE regions (to | ||
| 99 | avoid the risk of consuming more memory resources) or enabled system | ||
| 100 | wide. This can be achieved with one of: | ||
| 101 | |||
| 102 | echo always >/sys/kernel/mm/transparent_hugepage/enabled | ||
| 103 | echo madvise >/sys/kernel/mm/transparent_hugepage/enabled | ||
| 104 | echo never >/sys/kernel/mm/transparent_hugepage/enabled | ||
| 105 | |||
| 106 | It's also possible to limit defrag efforts in the VM to generate | ||
| 107 | hugepages in case they're not immediately free to madvise regions or | ||
| 108 | to never try to defrag memory and simply fallback to regular pages | ||
| 109 | unless hugepages are immediately available. Clearly if we spend CPU | ||
| 110 | time to defrag memory, we would expect to gain even more by the fact | ||
| 111 | we use hugepages later instead of regular pages. This isn't always | ||
| 112 | guaranteed, but it may be more likely in case the allocation is for a | ||
| 113 | MADV_HUGEPAGE region. | ||
| 114 | |||
| 115 | echo always >/sys/kernel/mm/transparent_hugepage/defrag | ||
| 116 | echo madvise >/sys/kernel/mm/transparent_hugepage/defrag | ||
| 117 | echo never >/sys/kernel/mm/transparent_hugepage/defrag | ||
| 118 | |||
| 119 | khugepaged will be automatically started when | ||
| 120 | transparent_hugepage/enabled is set to "always" or "madvise, and it'll | ||
| 121 | be automatically shutdown if it's set to "never". | ||
| 122 | |||
| 123 | khugepaged runs usually at low frequency so while one may not want to | ||
| 124 | invoke defrag algorithms synchronously during the page faults, it | ||
| 125 | should be worth invoking defrag at least in khugepaged. However it's | ||
| 126 | also possible to disable defrag in khugepaged: | ||
| 127 | |||
| 128 | echo yes >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag | ||
| 129 | echo no >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag | ||
| 130 | |||
| 131 | You can also control how many pages khugepaged should scan at each | ||
| 132 | pass: | ||
| 133 | |||
| 134 | /sys/kernel/mm/transparent_hugepage/khugepaged/pages_to_scan | ||
| 135 | |||
| 136 | and how many milliseconds to wait in khugepaged between each pass (you | ||
| 137 | can set this to 0 to run khugepaged at 100% utilization of one core): | ||
| 138 | |||
| 139 | /sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs | ||
| 140 | |||
| 141 | and how many milliseconds to wait in khugepaged if there's an hugepage | ||
| 142 | allocation failure to throttle the next allocation attempt. | ||
| 143 | |||
| 144 | /sys/kernel/mm/transparent_hugepage/khugepaged/alloc_sleep_millisecs | ||
| 145 | |||
| 146 | The khugepaged progress can be seen in the number of pages collapsed: | ||
| 147 | |||
| 148 | /sys/kernel/mm/transparent_hugepage/khugepaged/pages_collapsed | ||
| 149 | |||
| 150 | for each pass: | ||
| 151 | |||
| 152 | /sys/kernel/mm/transparent_hugepage/khugepaged/full_scans | ||
| 153 | |||
| 154 | == Boot parameter == | ||
| 155 | |||
| 156 | You can change the sysfs boot time defaults of Transparent Hugepage | ||
| 157 | Support by passing the parameter "transparent_hugepage=always" or | ||
| 158 | "transparent_hugepage=madvise" or "transparent_hugepage=never" | ||
| 159 | (without "") to the kernel command line. | ||
| 160 | |||
| 161 | == Need of application restart == | ||
| 162 | |||
| 163 | The transparent_hugepage/enabled values only affect future | ||
| 164 | behavior. So to make them effective you need to restart any | ||
| 165 | application that could have been using hugepages. This also applies to | ||
| 166 | the regions registered in khugepaged. | ||
| 167 | |||
| 168 | == get_user_pages and follow_page == | ||
| 169 | |||
| 170 | get_user_pages and follow_page if run on a hugepage, will return the | ||
| 171 | head or tail pages as usual (exactly as they would do on | ||
| 172 | hugetlbfs). Most gup users will only care about the actual physical | ||
| 173 | address of the page and its temporary pinning to release after the I/O | ||
| 174 | is complete, so they won't ever notice the fact the page is huge. But | ||
| 175 | if any driver is going to mangle over the page structure of the tail | ||
| 176 | page (like for checking page->mapping or other bits that are relevant | ||
| 177 | for the head page and not the tail page), it should be updated to jump | ||
| 178 | to check head page instead (while serializing properly against | ||
| 179 | split_huge_page() to avoid the head and tail pages to disappear from | ||
| 180 | under it, see the futex code to see an example of that, hugetlbfs also | ||
| 181 | needed special handling in futex code for similar reasons). | ||
| 182 | |||
| 183 | NOTE: these aren't new constraints to the GUP API, and they match the | ||
| 184 | same constrains that applies to hugetlbfs too, so any driver capable | ||
| 185 | of handling GUP on hugetlbfs will also work fine on transparent | ||
| 186 | hugepage backed mappings. | ||
| 187 | |||
| 188 | In case you can't handle compound pages if they're returned by | ||
| 189 | follow_page, the FOLL_SPLIT bit can be specified as parameter to | ||
| 190 | follow_page, so that it will split the hugepages before returning | ||
| 191 | them. Migration for example passes FOLL_SPLIT as parameter to | ||
| 192 | follow_page because it's not hugepage aware and in fact it can't work | ||
| 193 | at all on hugetlbfs (but it instead works fine on transparent | ||
| 194 | hugepages thanks to FOLL_SPLIT). migration simply can't deal with | ||
| 195 | hugepages being returned (as it's not only checking the pfn of the | ||
| 196 | page and pinning it during the copy but it pretends to migrate the | ||
| 197 | memory in regular page sizes and with regular pte/pmd mappings). | ||
| 198 | |||
| 199 | == Optimizing the applications == | ||
| 200 | |||
| 201 | To be guaranteed that the kernel will map a 2M page immediately in any | ||
| 202 | memory region, the mmap region has to be hugepage naturally | ||
| 203 | aligned. posix_memalign() can provide that guarantee. | ||
| 204 | |||
| 205 | == Hugetlbfs == | ||
| 206 | |||
| 207 | You can use hugetlbfs on a kernel that has transparent hugepage | ||
| 208 | support enabled just fine as always. No difference can be noted in | ||
| 209 | hugetlbfs other than there will be less overall fragmentation. All | ||
| 210 | usual features belonging to hugetlbfs are preserved and | ||
| 211 | unaffected. libhugetlbfs will also work fine as usual. | ||
| 212 | |||
| 213 | == Graceful fallback == | ||
| 214 | |||
| 215 | Code walking pagetables but unware about huge pmds can simply call | ||
| 216 | split_huge_page_pmd(mm, pmd) where the pmd is the one returned by | ||
| 217 | pmd_offset. It's trivial to make the code transparent hugepage aware | ||
| 218 | by just grepping for "pmd_offset" and adding split_huge_page_pmd where | ||
| 219 | missing after pmd_offset returns the pmd. Thanks to the graceful | ||
| 220 | fallback design, with a one liner change, you can avoid to write | ||
| 221 | hundred if not thousand of lines of complex code to make your code | ||
| 222 | hugepage aware. | ||
| 223 | |||
| 224 | If you're not walking pagetables but you run into a physical hugepage | ||
| 225 | but you can't handle it natively in your code, you can split it by | ||
| 226 | calling split_huge_page(page). This is what the Linux VM does before | ||
| 227 | it tries to swapout the hugepage for example. | ||
| 228 | |||
| 229 | Example to make mremap.c transparent hugepage aware with a one liner | ||
| 230 | change: | ||
| 231 | |||
| 232 | diff --git a/mm/mremap.c b/mm/mremap.c | ||
| 233 | --- a/mm/mremap.c | ||
| 234 | +++ b/mm/mremap.c | ||
| 235 | @@ -41,6 +41,7 @@ static pmd_t *get_old_pmd(struct mm_stru | ||
| 236 | return NULL; | ||
| 237 | |||
| 238 | pmd = pmd_offset(pud, addr); | ||
| 239 | + split_huge_page_pmd(mm, pmd); | ||
| 240 | if (pmd_none_or_clear_bad(pmd)) | ||
| 241 | return NULL; | ||
| 242 | |||
| 243 | == Locking in hugepage aware code == | ||
| 244 | |||
| 245 | We want as much code as possible hugepage aware, as calling | ||
| 246 | split_huge_page() or split_huge_page_pmd() has a cost. | ||
| 247 | |||
| 248 | To make pagetable walks huge pmd aware, all you need to do is to call | ||
| 249 | pmd_trans_huge() on the pmd returned by pmd_offset. You must hold the | ||
| 250 | mmap_sem in read (or write) mode to be sure an huge pmd cannot be | ||
| 251 | created from under you by khugepaged (khugepaged collapse_huge_page | ||
| 252 | takes the mmap_sem in write mode in addition to the anon_vma lock). If | ||
| 253 | pmd_trans_huge returns false, you just fallback in the old code | ||
| 254 | paths. If instead pmd_trans_huge returns true, you have to take the | ||
| 255 | mm->page_table_lock and re-run pmd_trans_huge. Taking the | ||
| 256 | page_table_lock will prevent the huge pmd to be converted into a | ||
| 257 | regular pmd from under you (split_huge_page can run in parallel to the | ||
| 258 | pagetable walk). If the second pmd_trans_huge returns false, you | ||
| 259 | should just drop the page_table_lock and fallback to the old code as | ||
| 260 | before. Otherwise you should run pmd_trans_splitting on the pmd. In | ||
| 261 | case pmd_trans_splitting returns true, it means split_huge_page is | ||
| 262 | already in the middle of splitting the page. So if pmd_trans_splitting | ||
| 263 | returns true it's enough to drop the page_table_lock and call | ||
| 264 | wait_split_huge_page and then fallback the old code paths. You are | ||
| 265 | guaranteed by the time wait_split_huge_page returns, the pmd isn't | ||
| 266 | huge anymore. If pmd_trans_splitting returns false, you can proceed to | ||
| 267 | process the huge pmd and the hugepage natively. Once finished you can | ||
| 268 | drop the page_table_lock. | ||
| 269 | |||
| 270 | == compound_lock, get_user_pages and put_page == | ||
| 271 | |||
| 272 | split_huge_page internally has to distribute the refcounts in the head | ||
| 273 | page to the tail pages before clearing all PG_head/tail bits from the | ||
| 274 | page structures. It can do that easily for refcounts taken by huge pmd | ||
| 275 | mappings. But the GUI API as created by hugetlbfs (that returns head | ||
| 276 | and tail pages if running get_user_pages on an address backed by any | ||
| 277 | hugepage), requires the refcount to be accounted on the tail pages and | ||
| 278 | not only in the head pages, if we want to be able to run | ||
| 279 | split_huge_page while there are gup pins established on any tail | ||
| 280 | page. Failure to be able to run split_huge_page if there's any gup pin | ||
| 281 | on any tail page, would mean having to split all hugepages upfront in | ||
| 282 | get_user_pages which is unacceptable as too many gup users are | ||
| 283 | performance critical and they must work natively on hugepages like | ||
| 284 | they work natively on hugetlbfs already (hugetlbfs is simpler because | ||
| 285 | hugetlbfs pages cannot be splitted so there wouldn't be requirement of | ||
| 286 | accounting the pins on the tail pages for hugetlbfs). If we wouldn't | ||
| 287 | account the gup refcounts on the tail pages during gup, we won't know | ||
| 288 | anymore which tail page is pinned by gup and which is not while we run | ||
| 289 | split_huge_page. But we still have to add the gup pin to the head page | ||
| 290 | too, to know when we can free the compound page in case it's never | ||
| 291 | splitted during its lifetime. That requires changing not just | ||
| 292 | get_page, but put_page as well so that when put_page runs on a tail | ||
| 293 | page (and only on a tail page) it will find its respective head page, | ||
| 294 | and then it will decrease the head page refcount in addition to the | ||
| 295 | tail page refcount. To obtain a head page reliably and to decrease its | ||
| 296 | refcount without race conditions, put_page has to serialize against | ||
| 297 | __split_huge_page_refcount using a special per-page lock called | ||
| 298 | compound_lock. | ||
| @@ -2,3 +2,5 @@ · 1 unmodified line | |||
| 2 | - This file | 2 | - This file |
| 3 | w1_therm | 3 | w1_therm |
| 4 | - The Maxim/Dallas Semiconductor ds18*20 temperature sensor. | 4 | - The Maxim/Dallas Semiconductor ds18*20 temperature sensor. |
| 5 | w1_ds2423 | ||
| 6 | - The Maxim/Dallas Semiconductor ds2423 counter device. | ||
| @@ -0,0 +1,47 @@ | |||
| 1 | Kernel driver w1_ds2423 | ||
| 2 | ======================= | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Maxim DS2423 based counter devices. | ||
| 6 | |||
| 7 | supported family codes: | ||
| 8 | W1_THERM_DS2423 0x1D | ||
| 9 | |||
| 10 | Author: Mika Laitio <lamikr@pilppa.org> | ||
| 11 | |||
| 12 | Description | ||
| 13 | ----------- | ||
| 14 | |||
| 15 | Support is provided through the sysfs w1_slave file. Each opening and | ||
| 16 | read sequence of w1_slave file initiates the read of counters and ram | ||
| 17 | available in DS2423 pages 12 - 15. | ||
| 18 | |||
| 19 | Result of each page is provided as an ASCII output where each counter | ||
| 20 | value and associated ram buffer is outpputed to own line. | ||
| 21 | |||
| 22 | Each lines will contain the values of 42 bytes read from the counter and | ||
| 23 | memory page along the crc=YES or NO for indicating whether the read operation | ||
| 24 | was successfull and CRC matched. | ||
| 25 | If the operation was successfull, there is also in the end of each line | ||
| 26 | a counter value expressed as an integer after c= | ||
| 27 | |||
| 28 | Meaning of 42 bytes represented is following: | ||
| 29 | - 1 byte from ram page | ||
| 30 | - 4 bytes for the counter value | ||
| 31 | - 4 zero bytes | ||
| 32 | - 2 bytes for crc16 which was calculated from the data read since the previous crc bytes | ||
| 33 | - 31 remaining bytes from the ram page | ||
| 34 | - crc=YES/NO indicating whether read was ok and crc matched | ||
| 35 | - c=<int> current counter value | ||
| 36 | |||
| 37 | example from the successfull read: | ||
| 38 | 00 02 00 00 00 00 00 00 00 6d 38 00 ff ff 00 00 fe ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=2 | ||
| 39 | 00 02 00 00 00 00 00 00 00 e0 1f 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=2 | ||
| 40 | 00 29 c6 5d 18 00 00 00 00 04 37 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=408798761 | ||
| 41 | 00 05 00 00 00 00 00 00 00 8d 39 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff crc=YES c=5 | ||
| 42 | |||
| 43 | example from the read with crc errors: | ||
| 44 | 00 02 00 00 00 00 00 00 00 6d 38 00 ff ff 00 00 fe ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=2 | ||
| 45 | 00 02 00 00 22 00 00 00 00 e0 1f 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=NO | ||
| 46 | 00 e1 61 5d 19 00 00 00 00 df 0b 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=NO | ||
| 47 | 00 05 00 00 20 00 00 00 00 8d 39 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff crc=NO | ||
| @@ -190,9 +190,9 @@ resources, scheduled and executed. · 189 unmodified lines | |||
| 190 | * Long running CPU intensive workloads which can be better | 190 | * Long running CPU intensive workloads which can be better |
| 191 | managed by the system scheduler. | 191 | managed by the system scheduler. |
| 192 | 192 | ||
| 193 | WQ_FREEZEABLE | 193 | WQ_FREEZABLE |
| 194 | 194 | ||
| 195 | A freezeable wq participates in the freeze phase of the system | 195 | A freezable wq participates in the freeze phase of the system |
| 196 | suspend operations. Work items on the wq are drained and no | 196 | suspend operations. Work items on the wq are drained and no |
| 197 | new work item starts execution until thawed. | 197 | new work item starts execution until thawed. |
| 198 | 198 | ||
| @@ -600,6 +600,7 @@ Protocol: 2.07+ · 599 unmodified lines | |||
| 600 | 0x00000001 lguest | 600 | 0x00000001 lguest |
| 601 | 0x00000002 Xen | 601 | 0x00000002 Xen |
| 602 | 0x00000003 Moorestown MID | 602 | 0x00000003 Moorestown MID |
| 603 | 0x00000004 CE4100 TV Platform | ||
| 603 | 604 | ||
| 604 | Field name: hardware_subarch_data | 605 | Field name: hardware_subarch_data |
| 605 | Type: write (subarch-dependent) | 606 | Type: write (subarch-dependent) |
| @@ -621,9 +622,9 @@ Protocol: 2.08+ · 15 unmodified lines | |||
| 621 | The payload may be compressed. The format of both the compressed and | 622 | The payload may be compressed. The format of both the compressed and |
| 622 | uncompressed data should be determined using the standard magic | 623 | uncompressed data should be determined using the standard magic |
| 623 | numbers. The currently supported compression formats are gzip | 624 | numbers. The currently supported compression formats are gzip |
| 624 | (magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A) and LZMA | 625 | (magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A), LZMA |
| 625 | (magic number 5D 00). The uncompressed payload is currently always ELF | 626 | (magic number 5D 00), and XZ (magic number FD 37). The uncompressed |
| 626 | (magic number 7F 45 4C 46). | 627 | payload is currently always ELF (magic number 7F 45 4C 46). |
| 627 | 628 | ||
| 628 | Field name: payload_length | 629 | Field name: payload_length |
| 629 | Type: read | 630 | Type: read |
| @@ -0,0 +1,121 @@ | |||
| 1 | |||
| 2 | XZ data compression in Linux | ||
| 3 | ============================ | ||
| 4 | |||
| 5 | Introduction | ||
| 6 | |||
| 7 | XZ is a general purpose data compression format with high compression | ||
| 8 | ratio and relatively fast decompression. The primary compression | ||
| 9 | algorithm (filter) is LZMA2. Additional filters can be used to improve | ||
| 10 | compression ratio even further. E.g. Branch/Call/Jump (BCJ) filters | ||
| 11 | improve compression ratio of executable data. | ||
| 12 | |||
| 13 | The XZ decompressor in Linux is called XZ Embedded. It supports | ||
| 14 | the LZMA2 filter and optionally also BCJ filters. CRC32 is supported | ||
| 15 | for integrity checking. The home page of XZ Embedded is at | ||
| 16 | <http://tukaani.org/xz/embedded.html>, where you can find the | ||
| 17 | latest version and also information about using the code outside | ||
| 18 | the Linux kernel. | ||
| 19 | |||
| 20 | For userspace, XZ Utils provide a zlib-like compression library | ||
| 21 | and a gzip-like command line tool. XZ Utils can be downloaded from | ||
| 22 | <http://tukaani.org/xz/>. | ||
| 23 | |||
| 24 | XZ related components in the kernel | ||
| 25 | |||
| 26 | The xz_dec module provides XZ decompressor with single-call (buffer | ||
| 27 | to buffer) and multi-call (stateful) APIs. The usage of the xz_dec | ||
| 28 | module is documented in include/linux/xz.h. | ||
| 29 | |||
| 30 | The xz_dec_test module is for testing xz_dec. xz_dec_test is not | ||
| 31 | useful unless you are hacking the XZ decompressor. xz_dec_test | ||
| 32 | allocates a char device major dynamically to which one can write | ||
| 33 | .xz files from userspace. The decompressed output is thrown away. | ||
| 34 | Keep an eye on dmesg to see diagnostics printed by xz_dec_test. | ||
| 35 | See the xz_dec_test source code for the details. | ||
| 36 | |||
| 37 | For decompressing the kernel image, initramfs, and initrd, there | ||
| 38 | is a wrapper function in lib/decompress_unxz.c. Its API is the | ||
| 39 | same as in other decompress_*.c files, which is defined in | ||
| 40 | include/linux/decompress/generic.h. | ||
| 41 | |||
| 42 | scripts/xz_wrap.sh is a wrapper for the xz command line tool found | ||
| 43 | from XZ Utils. The wrapper sets compression options to values suitable | ||
| 44 | for compressing the kernel image. | ||
| 45 | |||
| 46 | For kernel makefiles, two commands are provided for use with | ||
| 47 | $(call if_needed). The kernel image should be compressed with | ||
| 48 | $(call if_needed,xzkern) which will use a BCJ filter and a big LZMA2 | ||
| 49 | dictionary. It will also append a four-byte trailer containing the | ||
| 50 | uncompressed size of the file, which is needed by the boot code. | ||
| 51 | Other things should be compressed with $(call if_needed,xzmisc) | ||
| 52 | which will use no BCJ filter and 1 MiB LZMA2 dictionary. | ||
| 53 | |||
| 54 | Notes on compression options | ||
| 55 | |||
| 56 | Since the XZ Embedded supports only streams with no integrity check or | ||
| 57 | CRC32, make sure that you don't use some other integrity check type | ||
| 58 | when encoding files that are supposed to be decoded by the kernel. With | ||
| 59 | liblzma, you need to use either LZMA_CHECK_NONE or LZMA_CHECK_CRC32 | ||
| 60 | when encoding. With the xz command line tool, use --check=none or | ||
| 61 | --check=crc32. | ||
| 62 | |||
| 63 | Using CRC32 is strongly recommended unless there is some other layer | ||
| 64 | which will verify the integrity of the uncompressed data anyway. | ||
| 65 | Double checking the integrity would probably be waste of CPU cycles. | ||
| 66 | Note that the headers will always have a CRC32 which will be validated | ||
| 67 | by the decoder; you can only change the integrity check type (or | ||
| 68 | disable it) for the actual uncompressed data. | ||
| 69 | |||
| 70 | In userspace, LZMA2 is typically used with dictionary sizes of several | ||
| 71 | megabytes. The decoder needs to have the dictionary in RAM, thus big | ||
| 72 | dictionaries cannot be used for files that are intended to be decoded | ||
| 73 | by the kernel. 1 MiB is probably the maximum reasonable dictionary | ||
| 74 | size for in-kernel use (maybe more is OK for initramfs). The presets | ||
| 75 | in XZ Utils may not be optimal when creating files for the kernel, | ||
| 76 | so don't hesitate to use custom settings. Example: | ||
| 77 | |||
| 78 | xz --check=crc32 --lzma2=dict=512KiB inputfile | ||
| 79 | |||
| 80 | An exception to above dictionary size limitation is when the decoder | ||
| 81 | is used in single-call mode. Decompressing the kernel itself is an | ||
| 82 | example of this situation. In single-call mode, the memory usage | ||
| 83 | doesn't depend on the dictionary size, and it is perfectly fine to | ||
| 84 | use a big dictionary: for maximum compression, the dictionary should | ||
| 85 | be at least as big as the uncompressed data itself. | ||
| 86 | |||
| 87 | Future plans | ||
| 88 | |||
| 89 | Creating a limited XZ encoder may be considered if people think it is | ||
| 90 | useful. LZMA2 is slower to compress than e.g. Deflate or LZO even at | ||
| 91 | the fastest settings, so it isn't clear if LZMA2 encoder is wanted | ||
| 92 | into the kernel. | ||
| 93 | |||
| 94 | Support for limited random-access reading is planned for the | ||
| 95 | decompression code. I don't know if it could have any use in the | ||
| 96 | kernel, but I know that it would be useful in some embedded projects | ||
| 97 | outside the Linux kernel. | ||
| 98 | |||
| 99 | Conformance to the .xz file format specification | ||
| 100 | |||
| 101 | There are a couple of corner cases where things have been simplified | ||
| 102 | at expense of detecting errors as early as possible. These should not | ||
| 103 | matter in practice all, since they don't cause security issues. But | ||
| 104 | it is good to know this if testing the code e.g. with the test files | ||
| 105 | from XZ Utils. | ||
| 106 | |||
| 107 | Reporting bugs | ||
| 108 | |||
| 109 | Before reporting a bug, please check that it's not fixed already | ||
| 110 | at upstream. See <http://tukaani.org/xz/embedded.html> to get the | ||
| 111 | latest code. | ||
| 112 | |||
| 113 | Report bugs to <lasse.collin@tukaani.org> or visit #tukaani on | ||
| 114 | Freenode and talk to Larhzu. I don't actively read LKML or other | ||
| 115 | kernel-related mailing lists, so if there's something I should know, | ||
| 116 | you should email to me personally or use IRC. | ||
| 117 | |||
| 118 | Don't bother Igor Pavlov with questions about the XZ implementation | ||
| 119 | in the kernel or about XZ Utils. While these two implementations | ||
| 120 | include essential code that is directly based on Igor Pavlov's code, | ||
| 121 | these implementations aren't maintained nor supported by him. | ||
| @@ -347,8 +347,8 @@ bugzilla.kernel.org是Linux内核开发者们用来跟踪内核Bug的网站。 · 346 unmodified lines | |||
| 347 | 最新bug的通知，可以订阅bugme-new邮件列表（只有新的bug报告会被寄到这里） | 347 | 最新bug的通知，可以订阅bugme-new邮件列表（只有新的bug报告会被寄到这里） |
| 348 | 或者订阅bugme-janitor邮件列表（所有bugzilla的变动都会被寄到这里）。 | 348 | 或者订阅bugme-janitor邮件列表（所有bugzilla的变动都会被寄到这里）。 |
| 349 | 349 | ||
| 350 | http://lists.osdl.org/mailman/listinfo/bugme-new | 350 | https://lists.linux-foundation.org/mailman/listinfo/bugme-new |
| 351 | http://lists.osdl.org/mailman/listinfo/bugme-janitors | 351 | https://lists.linux-foundation.org/mailman/listinfo/bugme-janitors |
| 352 | 352 | ||
| 353 | 353 | ||
| 354 | 邮件列表 | 354 | 邮件列表 |
| @@ -61,7 +61,7 @@ Linux 2.4: · 60 unmodified lines | |||
| 61 | Linux 2.6: | 61 | Linux 2.6: |
| 62 | 除了遵循和 2.4 版内核同样的规则外，你还需要在 linux-kernel 邮件 | 62 | 除了遵循和 2.4 版内核同样的规则外，你还需要在 linux-kernel 邮件 |
| 63 | 列表上跟踪最新的 API 变化。向 Linux 2.6 内核提交驱动的顶级联系人 | 63 | 列表上跟踪最新的 API 变化。向 Linux 2.6 内核提交驱动的顶级联系人 |
| 64 | 是 Andrew Morton <akpm@osdl.org>。 | 64 | 是 Andrew Morton <akpm@linux-foundation.org>。 |
| 65 | 65 | ||
| 66 | 决定设备驱动能否被接受的条件 | 66 | 决定设备驱动能否被接受的条件 |
| 67 | ---------------------------- | 67 | ---------------------------- |
| @@ -162,13 +162,12 @@ L: linux-serial@vger.kernel.org · 161 unmodified lines | |||
| 162 | W: http://serial.sourceforge.net | 162 | W: http://serial.sourceforge.net |
| 163 | S: Maintained | 163 | S: Maintained |
| 164 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git | 164 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git |
| 165 | F: drivers/serial/8250* | 165 | F: drivers/tty/serial/8250* |
| 166 | F: include/linux/serial_8250.h | 166 | F: include/linux/serial_8250.h |
| 167 | 167 | ||
| 168 | 8390 NETWORK DRIVERS [WD80x3/SMC-ELITE, SMC-ULTRA, NE2000, 3C503, etc.] | 168 | 8390 NETWORK DRIVERS [WD80x3/SMC-ELITE, SMC-ULTRA, NE2000, 3C503, etc.] |
| 169 | M: Paul Gortmaker <p_gortmaker@yahoo.com> | ||
| 170 | L: netdev@vger.kernel.org | 169 | L: netdev@vger.kernel.org |
| 171 | S: Maintained | 170 | S: Orphan / Obsolete |
| 172 | F: drivers/net/*8390* | 171 | F: drivers/net/*8390* |
| 173 | F: drivers/net/ax88796.c | 172 | F: drivers/net/ax88796.c |
| 174 | 173 | ||
| @@ -286,6 +285,41 @@ L: linux-parisc@vger.kernel.org · 111 unmodified lines | |||
| 286 | S: Maintained | 285 | S: Maintained |
| 287 | F: sound/pci/ad1889.* | 286 | F: sound/pci/ad1889.* |
| 288 | 287 | ||
| 288 | AD525X ANALOG DEVICES DIGITAL POTENTIOMETERS DRIVER | ||
| 289 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 290 | L: device-driver-devel@blackfin.uclinux.org | ||
| 291 | W: http://wiki-analog.com/AD5254 | ||
| 292 | S: Supported | ||
| 293 | F: drivers/misc/ad525x_dpot.c | ||
| 294 | |||
| 295 | AD5398 CURRENT REGULATOR DRIVER (AD5398/AD5821) | ||
| 296 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 297 | L: device-driver-devel@blackfin.uclinux.org | ||
| 298 | W: http://wiki-analog.com/AD5398 | ||
| 299 | S: Supported | ||
| 300 | F: drivers/regulator/ad5398.c | ||
| 301 | |||
| 302 | AD714X CAPACITANCE TOUCH SENSOR DRIVER (AD7142/3/7/8/7A) | ||
| 303 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 304 | L: device-driver-devel@blackfin.uclinux.org | ||
| 305 | W: http://wiki-analog.com/AD7142 | ||
| 306 | S: Supported | ||
| 307 | F: drivers/input/misc/ad714x.c | ||
| 308 | |||
| 309 | AD7877 TOUCHSCREEN DRIVER | ||
| 310 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 311 | L: device-driver-devel@blackfin.uclinux.org | ||
| 312 | W: http://wiki-analog.com/AD7877 | ||
| 313 | S: Supported | ||
| 314 | F: drivers/input/touchscreen/ad7877.c | ||
| 315 | |||
| 316 | AD7879 TOUCHSCREEN DRIVER (AD7879/AD7889) | ||
| 317 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 318 | L: device-driver-devel@blackfin.uclinux.org | ||
| 319 | W: http://wiki-analog.com/AD7879 | ||
| 320 | S: Supported | ||
| 321 | F: drivers/input/touchscreen/ad7879.c | ||
| 322 | |||
| 289 | ADM1025 HARDWARE MONITOR DRIVER | 323 | ADM1025 HARDWARE MONITOR DRIVER |
| 290 | M: Jean Delvare <khali@linux-fr.org> | 324 | M: Jean Delvare <khali@linux-fr.org> |
| 291 | L: lm-sensors@lm-sensors.org | 325 | L: lm-sensors@lm-sensors.org |
| @@ -305,6 +339,32 @@ W: http://linuxwireless.org/ · 13 unmodified lines | |||
| 305 | S: Orphan | 339 | S: Orphan |
| 306 | F: drivers/net/wireless/adm8211.* | 340 | F: drivers/net/wireless/adm8211.* |
| 307 | 341 | ||
| 342 | ADP5520 BACKLIGHT DRIVER WITH IO EXPANDER (ADP5520/ADP5501) | ||
| 343 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 344 | L: device-driver-devel@blackfin.uclinux.org | ||
| 345 | W: http://wiki-analog.com/ADP5520 | ||
| 346 | S: Supported | ||
| 347 | F: drivers/mfd/adp5520.c | ||
| 348 | F: drivers/video/backlight/adp5520_bl.c | ||
| 349 | F: drivers/led/leds-adp5520.c | ||
| 350 | F: drivers/gpio/adp5520-gpio.c | ||
| 351 | F: drivers/input/keyboard/adp5520-keys.c | ||
| 352 | |||
| 353 | ADP5588 QWERTY KEYPAD AND IO EXPANDER DRIVER (ADP5588/ADP5587) | ||
| 354 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 355 | L: device-driver-devel@blackfin.uclinux.org | ||
| 356 | W: http://wiki-analog.com/ADP5588 | ||
| 357 | S: Supported | ||
| 358 | F: drivers/input/keyboard/adp5588-keys.c | ||
| 359 | F: drivers/gpio/adp5588-gpio.c | ||
| 360 | |||
| 361 | ADP8860 BACKLIGHT DRIVER (ADP8860/ADP8861/ADP8863) | ||
| 362 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 363 | L: device-driver-devel@blackfin.uclinux.org | ||
| 364 | W: http://wiki-analog.com/ADP8860 | ||
| 365 | S: Supported | ||
| 366 | F: drivers/video/backlight/adp8860_bl.c | ||
| 367 | |||
| 308 | ADT746X FAN DRIVER | 368 | ADT746X FAN DRIVER |
| 309 | M: Colin Leroy <colin@colino.net> | 369 | M: Colin Leroy <colin@colino.net> |
| 310 | S: Maintained | 370 | S: Maintained |
| @@ -317,6 +377,13 @@ S: Maintained · 6 unmodified lines | |||
| 317 | F: Documentation/hwmon/adt7475 | 377 | F: Documentation/hwmon/adt7475 |
| 318 | F: drivers/hwmon/adt7475.c | 378 | F: drivers/hwmon/adt7475.c |
| 319 | 379 | ||
| 380 | ADXL34X THREE-AXIS DIGITAL ACCELEROMETER DRIVER (ADXL345/ADXL346) | ||
| 381 | M: Michael Hennerich <michael.hennerich@analog.com> | ||
| 382 | L: device-driver-devel@blackfin.uclinux.org | ||
| 383 | W: http://wiki-analog.com/ADXL345 | ||
| 384 | S: Supported | ||
| 385 | F: drivers/input/misc/adxl34x.c | ||
| 386 | |||
| 320 | ADVANSYS SCSI DRIVER | 387 | ADVANSYS SCSI DRIVER |
| 321 | M: Matthew Wilcox <matthew@wil.cx> | 388 | M: Matthew Wilcox <matthew@wil.cx> |
| 322 | L: linux-scsi@vger.kernel.org | 389 | L: linux-scsi@vger.kernel.org |
| @@ -429,7 +496,6 @@ S: Supported · 106 unmodified lines | |||
| 429 | F: arch/x86/kernel/microcode_amd.c | 496 | F: arch/x86/kernel/microcode_amd.c |
| 430 | 497 | ||
| 431 | AMS (Apple Motion Sensor) DRIVER | 498 | AMS (Apple Motion Sensor) DRIVER |
| 432 | M: Stelian Pop <stelian@popies.net> | ||
| 433 | M: Michael Hanselmann <linux-kernel@hansmi.ch> | 499 | M: Michael Hanselmann <linux-kernel@hansmi.ch> |
| 434 | S: Supported | 500 | S: Supported |
| 435 | F: drivers/macintosh/ams/ | 501 | F: drivers/macintosh/ams/ |
| @@ -441,17 +507,23 @@ L: linux-rdma@vger.kernel.org · 5 unmodified lines | |||
| 441 | S: Maintained | 507 | S: Maintained |
| 442 | F: drivers/infiniband/hw/amso1100/ | 508 | F: drivers/infiniband/hw/amso1100/ |
| 443 | 509 | ||
| 444 | ANALOG DEVICES INC ASOC DRIVERS | 510 | ANALOG DEVICES INC ASOC CODEC DRIVERS |
| 445 | L: uclinux-dist-devel@blackfin.uclinux.org | 511 | L: device-driver-devel@blackfin.uclinux.org |
| 446 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | 512 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) |
| 447 | W: http://blackfin.uclinux.org/ | 513 | W: http://wiki-analog.com/ |
| 448 | S: Supported | 514 | S: Supported |
| 449 | F: sound/soc/blackfin/* | ||
| 450 | F: sound/soc/codecs/ad1* | 515 | F: sound/soc/codecs/ad1* |
| 451 | F: sound/soc/codecs/adau* | 516 | F: sound/soc/codecs/adau* |
| 452 | F: sound/soc/codecs/adav* | 517 | F: sound/soc/codecs/adav* |
| 453 | F: sound/soc/codecs/ssm* | 518 | F: sound/soc/codecs/ssm* |
| 454 | 519 | ||
| 520 | ANALOG DEVICES INC ASOC DRIVERS | ||
| 521 | L: uclinux-dist-devel@blackfin.uclinux.org | ||
| 522 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | ||
| 523 | W: http://blackfin.uclinux.org/ | ||
| 524 | S: Supported | ||
| 525 | F: sound/soc/blackfin/* | ||
| 526 | |||
| 455 | AOA (Apple Onboard Audio) ALSA DRIVER | 527 | AOA (Apple Onboard Audio) ALSA DRIVER |
| 456 | M: Johannes Berg <johannes@sipsolutions.net> | 528 | M: Johannes Berg <johannes@sipsolutions.net> |
| 457 | L: linuxppc-dev@lists.ozlabs.org | 529 | L: linuxppc-dev@lists.ozlabs.org |
| @@ -552,11 +624,15 @@ M: Lennert Buytenhek <kernel@wantstofly.org> · 94 unmodified lines | |||
| 552 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) | 624 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) |
| 553 | S: Maintained | 625 | S: Maintained |
| 554 | 626 | ||
| 555 | ARM/ATMEL AT91RM9200 ARM ARCHITECTURE | 627 | ARM/ATMEL AT91RM9200 AND AT91SAM ARM ARCHITECTURES |
| 556 | M: Andrew Victor <linux@maxim.org.za> | 628 | M: Andrew Victor <linux@maxim.org.za> |
| 629 | M: Nicolas Ferre <nicolas.ferre@atmel.com> | ||
| 630 | M: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> | ||
| 557 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) | 631 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) |
| 558 | W: http://maxim.org.za/at91_26.html | 632 | W: http://maxim.org.za/at91_26.html |
| 559 | S: Maintained | 633 | W: http://www.linux4sam.org |
| 634 | S: Supported | ||
| 635 | F: arch/arm/mach-at91/ | ||
| 560 | 636 | ||
| 561 | ARM/BCMRING ARM ARCHITECTURE | 637 | ARM/BCMRING ARM ARCHITECTURE |
| 562 | M: Jiandong Zheng <jdzheng@broadcom.com> | 638 | M: Jiandong Zheng <jdzheng@broadcom.com> |
| @@ -809,15 +885,15 @@ S: Supported · 246 unmodified lines | |||
| 809 | 885 | ||
| 810 | ARM/QUALCOMM MSM MACHINE SUPPORT | 886 | ARM/QUALCOMM MSM MACHINE SUPPORT |
| 811 | M: David Brown <davidb@codeaurora.org> | 887 | M: David Brown <davidb@codeaurora.org> |
| 812 | M: Daniel Walker <dwalker@codeaurora.org> | 888 | M: Daniel Walker <dwalker@fifo99.com> |
| 813 | M: Bryan Huntsman <bryanh@codeaurora.org> | 889 | M: Bryan Huntsman <bryanh@codeaurora.org> |
| 814 | L: linux-arm-msm@vger.kernel.org | 890 | L: linux-arm-msm@vger.kernel.org |
| 815 | F: arch/arm/mach-msm/ | 891 | F: arch/arm/mach-msm/ |
| 816 | F: drivers/video/msm/ | 892 | F: drivers/video/msm/ |
| 817 | F: drivers/mmc/host/msm_sdcc.c | 893 | F: drivers/mmc/host/msm_sdcc.c |
| 818 | F: drivers/mmc/host/msm_sdcc.h | 894 | F: drivers/mmc/host/msm_sdcc.h |
| 819 | F: drivers/serial/msm_serial.h | 895 | F: drivers/tty/serial/msm_serial.h |
| 820 | F: drivers/serial/msm_serial.c | 896 | F: drivers/tty/serial/msm_serial.c |
| 821 | T: git git://codeaurora.org/quic/kernel/davidb/linux-msm.git | 897 | T: git git://codeaurora.org/quic/kernel/davidb/linux-msm.git |
| 822 | S: Maintained | 898 | S: Maintained |
| 823 | 899 | ||
| @@ -902,6 +978,8 @@ S: Maintained · 78 unmodified lines | |||
| 902 | F: arch/arm/plat-samsung/ | 978 | F: arch/arm/plat-samsung/ |
| 903 | F: arch/arm/plat-s3c24xx/ | 979 | F: arch/arm/plat-s3c24xx/ |
| 904 | F: arch/arm/plat-s5p/ | 980 | F: arch/arm/plat-s5p/ |
| 981 | F: drivers/*/*s3c2410* | ||
| 982 | F: drivers/*/*/*s3c2410* | ||
| 905 | 983 | ||
| 906 | ARM/S3C2410 ARM ARCHITECTURE | 984 | ARM/S3C2410 ARM ARCHITECTURE |
| 907 | M: Ben Dooks <ben-linux@fluff.org> | 985 | M: Ben Dooks <ben-linux@fluff.org> |
| @@ -1095,6 +1173,12 @@ S: Supported · 187 unmodified lines | |||
| 1095 | F: Documentation/aoe/ | 1173 | F: Documentation/aoe/ |
| 1096 | F: drivers/block/aoe/ | 1174 | F: drivers/block/aoe/ |
| 1097 | 1175 | ||
| 1176 | ATHEROS ATH GENERIC UTILITIES | ||
| 1177 | M: "Luis R. Rodriguez" <lrodriguez@atheros.com> | ||
| 1178 | L: linux-wireless@vger.kernel.org | ||
| 1179 | S: Supported | ||
| 1180 | F: drivers/net/wireless/ath/* | ||
| 1181 | |||
| 1098 | ATHEROS ATH5K WIRELESS DRIVER | 1182 | ATHEROS ATH5K WIRELESS DRIVER |
| 1099 | M: Jiri Slaby <jirislaby@gmail.com> | 1183 | M: Jiri Slaby <jirislaby@gmail.com> |
| 1100 | M: Nick Kossifidis <mickflemm@gmail.com> | 1184 | M: Nick Kossifidis <mickflemm@gmail.com> |
| @@ -1178,7 +1262,7 @@ F: drivers/mmc/host/atmel-mci-regs.h · 77 unmodified lines | |||
| 1178 | ATMEL AT91 / AT32 SERIAL DRIVER | 1262 | ATMEL AT91 / AT32 SERIAL DRIVER |
| 1179 | M: Nicolas Ferre <nicolas.ferre@atmel.com> | 1263 | M: Nicolas Ferre <nicolas.ferre@atmel.com> |
| 1180 | S: Supported | 1264 | S: Supported |
| 1181 | F: drivers/serial/atmel_serial.c | 1265 | F: drivers/tty/serial/atmel_serial.c |
| 1182 | 1266 | ||
| 1183 | ATMEL LCDFB DRIVER | 1267 | ATMEL LCDFB DRIVER |
| 1184 | M: Nicolas Ferre <nicolas.ferre@atmel.com> | 1268 | M: Nicolas Ferre <nicolas.ferre@atmel.com> |
| @@ -1273,6 +1357,15 @@ S: Maintained · 88 unmodified lines | |||
| 1273 | F: drivers/video/backlight/ | 1357 | F: drivers/video/backlight/ |
| 1274 | F: include/linux/backlight.h | 1358 | F: include/linux/backlight.h |
| 1275 | 1359 | ||
| 1360 | BATMAN ADVANCED | ||
| 1361 | M: Marek Lindner <lindner_marek@yahoo.de> | ||
| 1362 | M: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> | ||
| 1363 | M: Sven Eckelmann <sven@narfation.org> | ||
| 1364 | L: b.a.t.m.a.n@lists.open-mesh.org | ||
| 1365 | W: http://www.open-mesh.org/ | ||
| 1366 | S: Maintained | ||
| 1367 | F: net/batman-adv/ | ||
| 1368 | |||
| 1276 | BAYCOM/HDLCDRV DRIVERS FOR AX.25 | 1369 | BAYCOM/HDLCDRV DRIVERS FOR AX.25 |
| 1277 | M: Thomas Sailer <t.sailer@alumni.ethz.ch> | 1370 | M: Thomas Sailer <t.sailer@alumni.ethz.ch> |
| 1278 | L: linux-hams@vger.kernel.org | 1371 | L: linux-hams@vger.kernel.org |
| @@ -1325,7 +1418,7 @@ M: Sonic Zhang <sonic.zhang@analog.com> · 46 unmodified lines | |||
| 1325 | L: uclinux-dist-devel@blackfin.uclinux.org | 1418 | L: uclinux-dist-devel@blackfin.uclinux.org |
| 1326 | W: http://blackfin.uclinux.org | 1419 | W: http://blackfin.uclinux.org |
| 1327 | S: Supported | 1420 | S: Supported |
| 1328 | F: drivers/serial/bfin_5xx.c | 1421 | F: drivers/tty/serial/bfin_5xx.c |
| 1329 | 1422 | ||
| 1330 | BLACKFIN WATCHDOG DRIVER | 1423 | BLACKFIN WATCHDOG DRIVER |
| 1331 | M: Mike Frysinger <vapier.adi@gmail.com> | 1424 | M: Mike Frysinger <vapier.adi@gmail.com> |
| @@ -1409,7 +1502,9 @@ F: drivers/net/tg3.* · 77 unmodified lines | |||
| 1409 | BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER | 1502 | BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER |
| 1410 | M: Brett Rudley <brudley@broadcom.com> | 1503 | M: Brett Rudley <brudley@broadcom.com> |
| 1411 | M: Henry Ptasinski <henryp@broadcom.com> | 1504 | M: Henry Ptasinski <henryp@broadcom.com> |
| 1412 | M: Nohee Ko <noheek@broadcom.com> | 1505 | M: Dowan Kim <dowan@broadcom.com> |
| 1506 | M: Roland Vossen <rvossen@broadcom.com> | ||
| 1507 | M: Arend van Spriel <arend@broadcom.com> | ||
| 1413 | L: linux-wireless@vger.kernel.org | 1508 | L: linux-wireless@vger.kernel.org |
| 1414 | S: Supported | 1509 | S: Supported |
| 1415 | F: drivers/staging/brcm80211/ | 1510 | F: drivers/staging/brcm80211/ |
| @@ -1434,6 +1529,14 @@ S: Supported · 18 unmodified lines | |||
| 1434 | F: block/bsg.c | 1529 | F: block/bsg.c |
| 1435 | F: include/linux/bsg.h | 1530 | F: include/linux/bsg.h |
| 1436 | 1531 | ||
| 1532 | BT87X AUDIO DRIVER | ||
| 1533 | M: Clemens Ladisch <clemens@ladisch.de> | ||
| 1534 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | ||
| 1535 | T: git git://git.alsa-project.org/alsa-kernel.git | ||
| 1536 | S: Maintained | ||
| 1537 | F: Documentation/sound/alsa/Bt87x.txt | ||
| 1538 | F: sound/pci/bt87x.c | ||
| 1539 | |||
| 1437 | BT8XXGPIO DRIVER | 1540 | BT8XXGPIO DRIVER |
| 1438 | M: Michael Buesch <mb@bu3sch.de> | 1541 | M: Michael Buesch <mb@bu3sch.de> |
| 1439 | W: http://bu3sch.de/btgpio.php | 1542 | W: http://bu3sch.de/btgpio.php |
| @@ -1459,6 +1562,13 @@ S: Maintained · 19 unmodified lines | |||
| 1459 | F: Documentation/video4linux/bttv/ | 1562 | F: Documentation/video4linux/bttv/ |
| 1460 | F: drivers/media/video/bt8xx/bttv* | 1563 | F: drivers/media/video/bt8xx/bttv* |
| 1461 | 1564 | ||
| 1565 | C-MEDIA CMI8788 DRIVER | ||
| 1566 | M: Clemens Ladisch <clemens@ladisch.de> | ||
| 1567 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | ||
| 1568 | T: git git://git.alsa-project.org/alsa-kernel.git | ||
| 1569 | S: Maintained | ||
| 1570 | F: sound/pci/oxygen/ | ||
| 1571 | |||
| 1462 | CACHEFILES: FS-CACHE BACKEND FOR CACHING ON MOUNTED FILESYSTEMS | 1572 | CACHEFILES: FS-CACHE BACKEND FOR CACHING ON MOUNTED FILESYSTEMS |
| 1463 | M: David Howells <dhowells@redhat.com> | 1573 | M: David Howells <dhowells@redhat.com> |
| 1464 | L: linux-cachefs@redhat.com | 1574 | L: linux-cachefs@redhat.com |
| @@ -1695,7 +1805,8 @@ S: Maintained · 230 unmodified lines | |||
| 1695 | F: drivers/usb/atm/cxacru.c | 1805 | F: drivers/usb/atm/cxacru.c |
| 1696 | 1806 | ||
| 1697 | CONFIGFS | 1807 | CONFIGFS |
| 1698 | M: Joel Becker <joel.becker@oracle.com> | 1808 | M: Joel Becker <jlbec@evilplan.org> |
| 1809 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/configfs.git | ||
| 1699 | S: Supported | 1810 | S: Supported |
| 1700 | F: fs/configfs/ | 1811 | F: fs/configfs/ |
| 1701 | F: include/linux/configfs.h | 1812 | F: include/linux/configfs.h |
| @@ -1772,7 +1883,7 @@ L: linux-cris-kernel@axis.com · 70 unmodified lines | |||
| 1772 | W: http://developer.axis.com | 1883 | W: http://developer.axis.com |
| 1773 | S: Maintained | 1884 | S: Maintained |
| 1774 | F: arch/cris/ | 1885 | F: arch/cris/ |
| 1775 | F: drivers/serial/crisv10.* | 1886 | F: drivers/tty/serial/crisv10.* |
| 1776 | 1887 | ||
| 1777 | CRYPTO API | 1888 | CRYPTO API |
| 1778 | M: Herbert Xu <herbert@gondor.apana.org.au> | 1889 | M: Herbert Xu <herbert@gondor.apana.org.au> |
| @@ -1917,7 +2028,7 @@ F: drivers/scsi/dc395x.* · 138 unmodified lines | |||
| 1917 | DCCP PROTOCOL | 2028 | DCCP PROTOCOL |
| 1918 | M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2029 | M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> |
| 1919 | L: dccp@vger.kernel.org | 2030 | L: dccp@vger.kernel.org |
| 1920 | W: http://linux-net.osdl.org/index.php/DCCP | 2031 | W: http://www.linuxfoundation.org/collaborate/workgroups/networking/dccp |
| 1921 | S: Maintained | 2032 | S: Maintained |
| 1922 | F: include/linux/dccp.h | 2033 | F: include/linux/dccp.h |
| 1923 | F: include/linux/tfrc.h | 2034 | F: include/linux/tfrc.h |
| @@ -2015,6 +2126,7 @@ S: Supported · 91 unmodified lines | |||
| 2015 | F: fs/dlm/ | 2126 | F: fs/dlm/ |
| 2016 | 2127 | ||
| 2017 | DMA GENERIC OFFLOAD ENGINE SUBSYSTEM | 2128 | DMA GENERIC OFFLOAD ENGINE SUBSYSTEM |
| 2129 | M: Vinod Koul <vinod.koul@intel.com> | ||
| 2018 | M: Dan Williams <dan.j.williams@intel.com> | 2130 | M: Dan Williams <dan.j.williams@intel.com> |
| 2019 | S: Supported | 2131 | S: Supported |
| 2020 | F: drivers/dma/ | 2132 | F: drivers/dma/ |
| @@ -2111,7 +2223,7 @@ F: drivers/net/wan/dscc4.c · 90 unmodified lines | |||
| 2111 | DZ DECSTATION DZ11 SERIAL DRIVER | 2223 | DZ DECSTATION DZ11 SERIAL DRIVER |
| 2112 | M: "Maciej W. Rozycki" <macro@linux-mips.org> | 2224 | M: "Maciej W. Rozycki" <macro@linux-mips.org> |
| 2113 | S: Maintained | 2225 | S: Maintained |
| 2114 | F: drivers/serial/dz.* | 2226 | F: drivers/tty/serial/dz.* |
| 2115 | 2227 | ||
| 2116 | EATA-DMA SCSI DRIVER | 2228 | EATA-DMA SCSI DRIVER |
| 2117 | M: Michael Neuffer <mike@i-Connect.Net> | 2229 | M: Michael Neuffer <mike@i-Connect.Net> |
| @@ -2249,6 +2361,13 @@ W: bluesmoke.sourceforge.net · 131 unmodified lines | |||
| 2249 | S: Maintained | 2361 | S: Maintained |
| 2250 | F: drivers/edac/r82600_edac.c | 2362 | F: drivers/edac/r82600_edac.c |
| 2251 | 2363 | ||
| 2364 | EDIROL UA-101/UA-1000 DRIVER | ||
| 2365 | M: Clemens Ladisch <clemens@ladisch.de> | ||
| 2366 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | ||
| 2367 | T: git git://git.alsa-project.org/alsa-kernel.git | ||
| 2368 | S: Maintained | ||
| 2369 | F: sound/usb/misc/ua101.c | ||
| 2370 | |||
| 2252 | EEEPC LAPTOP EXTRAS DRIVER | 2371 | EEEPC LAPTOP EXTRAS DRIVER |
| 2253 | M: Corentin Chary <corentincj@iksaif.net> | 2372 | M: Corentin Chary <corentincj@iksaif.net> |
| 2254 | L: acpi4asus-user@lists.sourceforge.net | 2373 | L: acpi4asus-user@lists.sourceforge.net |
| @@ -2257,6 +2376,14 @@ W: http://acpi4asus.sf.net · 2 unmodified lines | |||
| 2257 | S: Maintained | 2376 | S: Maintained |
| 2258 | F: drivers/platform/x86/eeepc-laptop.c | 2377 | F: drivers/platform/x86/eeepc-laptop.c |
| 2259 | 2378 | ||
| 2379 | EEEPC WMI EXTRAS DRIVER | ||
| 2380 | M: Corentin Chary <corentincj@iksaif.net> | ||
| 2381 | L: acpi4asus-user@lists.sourceforge.net | ||
| 2382 | L: platform-driver-x86@vger.kernel.org | ||
| 2383 | W: http://acpi4asus.sf.net | ||
| 2384 | S: Maintained | ||
| 2385 | F: drivers/platform/x86/eeepc-wmi.c | ||
| 2386 | |||
| 2260 | EFIFB FRAMEBUFFER DRIVER | 2387 | EFIFB FRAMEBUFFER DRIVER |
| 2261 | L: linux-fbdev@vger.kernel.org | 2388 | L: linux-fbdev@vger.kernel.org |
| 2262 | M: Peter Jones <pjones@redhat.com> | 2389 | M: Peter Jones <pjones@redhat.com> |
| @@ -2331,7 +2458,7 @@ ETHERNET BRIDGE · 68 unmodified lines | |||
| 2331 | M: Stephen Hemminger <shemminger@linux-foundation.org> | 2458 | M: Stephen Hemminger <shemminger@linux-foundation.org> |
| 2332 | L: bridge@lists.linux-foundation.org | 2459 | L: bridge@lists.linux-foundation.org |
| 2333 | L: netdev@vger.kernel.org | 2460 | L: netdev@vger.kernel.org |
| 2334 | W: http://www.linux-foundation.org/en/Net:Bridge | 2461 | W: http://www.linuxfoundation.org/en/Net:Bridge |
| 2335 | S: Maintained | 2462 | S: Maintained |
| 2336 | F: include/linux/netfilter_bridge/ | 2463 | F: include/linux/netfilter_bridge/ |
| 2337 | F: net/bridge/ | 2464 | F: net/bridge/ |
| @@ -2523,7 +2650,7 @@ FREESCALE QUICC ENGINE UCC UART DRIVER · 185 unmodified lines | |||
| 2523 | M: Timur Tabi <timur@freescale.com> | 2650 | M: Timur Tabi <timur@freescale.com> |
| 2524 | L: linuxppc-dev@lists.ozlabs.org | 2651 | L: linuxppc-dev@lists.ozlabs.org |
| 2525 | S: Supported | 2652 | S: Supported |
| 2526 | F: drivers/serial/ucc_uart.c | 2653 | F: drivers/tty/serial/ucc_uart.c |
| 2527 | 2654 | ||
| 2528 | FREESCALE SOC SOUND DRIVERS | 2655 | FREESCALE SOC SOUND DRIVERS |
| 2529 | M: Timur Tabi <timur@freescale.com> | 2656 | M: Timur Tabi <timur@freescale.com> |
| @@ -2594,6 +2721,14 @@ S: Supported · 64 unmodified lines | |||
| 2594 | F: drivers/i2c/busses/i2c-gpio.c | 2721 | F: drivers/i2c/busses/i2c-gpio.c |
| 2595 | F: include/linux/i2c-gpio.h | 2722 | F: include/linux/i2c-gpio.h |
| 2596 | 2723 | ||
| 2724 | GENERIC GPIO I2C MULTIPLEXER DRIVER | ||
| 2725 | M: Peter Korsgaard <peter.korsgaard@barco.com> | ||
| 2726 | L: linux-i2c@vger.kernel.org | ||
| 2727 | S: Supported | ||
| 2728 | F: drivers/i2c/muxes/gpio-i2cmux.c | ||
| 2729 | F: include/linux/gpio-i2cmux.h | ||
| 2730 | F: Documentation/i2c/muxes/gpio-i2cmux | ||
| 2731 | |||
| 2597 | GENERIC HDLC (WAN) DRIVERS | 2732 | GENERIC HDLC (WAN) DRIVERS |
| 2598 | M: Krzysztof Halasa <khc@pm.waw.pl> | 2733 | M: Krzysztof Halasa <khc@pm.waw.pl> |
| 2599 | W: http://www.kernel.org/pub/linux/utils/net/hdlc/ | 2734 | W: http://www.kernel.org/pub/linux/utils/net/hdlc/ |
| @@ -2640,6 +2775,15 @@ F: Documentation/isdn/README.gigaset · 40 unmodified lines | |||
| 2640 | F: drivers/isdn/gigaset/ | 2775 | F: drivers/isdn/gigaset/ |
| 2641 | F: include/linux/gigaset_dev.h | 2776 | F: include/linux/gigaset_dev.h |
| 2642 | 2777 | ||
| 2778 | GPIO SUBSYSTEM | ||
| 2779 | M: Grant Likely <grant.likely@secretlab.ca> | ||
| 2780 | L: linux-kernel@vger.kernel.org | ||
| 2781 | S: Maintained | ||
| 2782 | T: git git://git.secretlab.ca/git/linux-2.6.git | ||
| 2783 | F: Documentation/gpio/gpio.txt | ||
| 2784 | F: drivers/gpio/ | ||
| 2785 | F: include/linux/gpio* | ||
| 2786 | |||
| 2643 | GRETH 10/100/1G Ethernet MAC device driver | 2787 | GRETH 10/100/1G Ethernet MAC device driver |
| 2644 | M: Kristoffer Glembo <kristoffer@gaisler.com> | 2788 | M: Kristoffer Glembo <kristoffer@gaisler.com> |
| 2645 | L: netdev@vger.kernel.org | 2789 | L: netdev@vger.kernel.org |
| @@ -2729,7 +2873,6 @@ M: Guenter Roeck <guenter.roeck@ericsson.com> · 83 unmodified lines | |||
| 2729 | L: lm-sensors@lm-sensors.org | 2873 | L: lm-sensors@lm-sensors.org |
| 2730 | W: http://www.lm-sensors.org/ | 2874 | W: http://www.lm-sensors.org/ |
| 2731 | T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-hwmon/ | 2875 | T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-hwmon/ |
| 2732 | T: quilt kernel.org/pub/linux/kernel/people/groeck/linux-staging/ | ||
| 2733 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git | 2876 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git |
| 2734 | S: Maintained | 2877 | S: Maintained |
| 2735 | F: Documentation/hwmon/ | 2878 | F: Documentation/hwmon/ |
| @@ -2812,6 +2955,10 @@ M: Thomas Gleixner <tglx@linutronix.de> · 76 unmodified lines | |||
| 2812 | S: Maintained | 2955 | S: Maintained |
| 2813 | F: Documentation/timers/ | 2956 | F: Documentation/timers/ |
| 2814 | F: kernel/hrtimer.c | 2957 | F: kernel/hrtimer.c |
| 2958 | F: kernel/time/clockevents.c | ||
| 2959 | F: kernel/time/tick*.* | ||
| 2960 | F: kernel/time/timer_*.c | ||
| 2961 | F include/linux/clockevents.h | ||
| 2815 | F: include/linux/hrtimer.h | 2962 | F: include/linux/hrtimer.h |
| 2816 | 2963 | ||
| 2817 | HIGH-SPEED SCC DRIVER FOR AX.25 | 2964 | HIGH-SPEED SCC DRIVER FOR AX.25 |
| @@ -3003,6 +3150,12 @@ S: Maintained · 185 unmodified lines | |||
| 3003 | F: net/ieee802154/ | 3150 | F: net/ieee802154/ |
| 3004 | F: drivers/ieee802154/ | 3151 | F: drivers/ieee802154/ |
| 3005 | 3152 | ||
| 3153 | IKANOS/ADI EAGLE ADSL USB DRIVER | ||
| 3154 | M: Matthieu Castet <castet.matthieu@free.fr> | ||
| 3155 | M: Stanislaw Gruszka <stf_xl@wp.pl> | ||
| 3156 | S: Maintained | ||
| 3157 | F: drivers/usb/atm/ueagle-atm.c | ||
| 3158 | |||
| 3006 | INTEGRITY MEASUREMENT ARCHITECTURE (IMA) | 3159 | INTEGRITY MEASUREMENT ARCHITECTURE (IMA) |
| 3007 | M: Mimi Zohar <zohar@us.ibm.com> | 3160 | M: Mimi Zohar <zohar@us.ibm.com> |
| 3008 | S: Supported | 3161 | S: Supported |
| @@ -3014,7 +3167,7 @@ S: Orphan · 5 unmodified lines | |||
| 3014 | F: drivers/video/imsttfb.c | 3167 | F: drivers/video/imsttfb.c |
| 3015 | 3168 | ||
| 3016 | INFINIBAND SUBSYSTEM | 3169 | INFINIBAND SUBSYSTEM |
| 3017 | M: Roland Dreier <rolandd@cisco.com> | 3170 | M: Roland Dreier <roland@kernel.org> |
| 3018 | M: Sean Hefty <sean.hefty@intel.com> | 3171 | M: Sean Hefty <sean.hefty@intel.com> |
| 3019 | M: Hal Rosenstock <hal.rosenstock@gmail.com> | 3172 | M: Hal Rosenstock <hal.rosenstock@gmail.com> |
| 3020 | L: linux-rdma@vger.kernel.org | 3173 | L: linux-rdma@vger.kernel.org |
| @@ -3047,8 +3200,10 @@ F: drivers/input/ · 26 unmodified lines | |||
| 3047 | INPUT MULTITOUCH (MT) PROTOCOL | 3200 | INPUT MULTITOUCH (MT) PROTOCOL |
| 3048 | M: Henrik Rydberg <rydberg@euromail.se> | 3201 | M: Henrik Rydberg <rydberg@euromail.se> |
| 3049 | L: linux-input@vger.kernel.org | 3202 | L: linux-input@vger.kernel.org |
| 3203 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/rydberg/input-mt.git | ||
| 3050 | S: Maintained | 3204 | S: Maintained |
| 3051 | F: Documentation/input/multi-touch-protocol.txt | 3205 | F: Documentation/input/multi-touch-protocol.txt |
| 3206 | F: drivers/input/input-mt.c | ||
| 3052 | K: \b(ABS|SYN)_MT_ | 3207 | K: \b(ABS|SYN)_MT_ |
| 3053 | 3208 | ||
| 3054 | INTEL IDLE DRIVER | 3209 | INTEL IDLE DRIVER |
| @@ -3135,6 +3290,8 @@ M: Alex Duyck <alexander.h.duyck@intel.com> · 80 unmodified lines | |||
| 3135 | M: John Ronciak <john.ronciak@intel.com> | 3290 | M: John Ronciak <john.ronciak@intel.com> |
| 3136 | L: e1000-devel@lists.sourceforge.net | 3291 | L: e1000-devel@lists.sourceforge.net |
| 3137 | W: http://e1000.sourceforge.net/ | 3292 | W: http://e1000.sourceforge.net/ |
| 3293 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-2.6.git | ||
| 3294 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next-2.6.git | ||
| 3138 | S: Supported | 3295 | S: Supported |
| 3139 | F: Documentation/networking/e100.txt | 3296 | F: Documentation/networking/e100.txt |
| 3140 | F: Documentation/networking/e1000.txt | 3297 | F: Documentation/networking/e1000.txt |
| @@ -3187,7 +3344,6 @@ F: drivers/net/wimax/i2400m/ · 46 unmodified lines | |||
| 3187 | F: include/linux/wimax/i2400m.h | 3344 | F: include/linux/wimax/i2400m.h |
| 3188 | 3345 | ||
| 3189 | INTEL WIRELESS WIFI LINK (iwlwifi) | 3346 | INTEL WIRELESS WIFI LINK (iwlwifi) |
| 3190 | M: Reinette Chatre <reinette.chatre@intel.com> | ||
| 3191 | M: Wey-Yi Guy <wey-yi.w.guy@intel.com> | 3347 | M: Wey-Yi Guy <wey-yi.w.guy@intel.com> |
| 3192 | M: Intel Linux Wireless <ilw@linux.intel.com> | 3348 | M: Intel Linux Wireless <ilw@linux.intel.com> |
| 3193 | L: linux-wireless@vger.kernel.org | 3349 | L: linux-wireless@vger.kernel.org |
| @@ -3214,7 +3370,7 @@ IOC3 SERIAL DRIVER · 20 unmodified lines | |||
| 3214 | M: Pat Gefre <pfg@sgi.com> | 3370 | M: Pat Gefre <pfg@sgi.com> |
| 3215 | L: linux-serial@vger.kernel.org | 3371 | L: linux-serial@vger.kernel.org |
| 3216 | S: Maintained | 3372 | S: Maintained |
| 3217 | F: drivers/serial/ioc3_serial.c | 3373 | F: drivers/tty/serial/ioc3_serial.c |
| 3218 | 3374 | ||
| 3219 | IP MASQUERADING | 3375 | IP MASQUERADING |
| 3220 | M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar> | 3376 | M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar> |
| @@ -3391,7 +3547,14 @@ JSM Neo PCI based serial card · 170 unmodified lines | |||
| 3391 | M: Breno Leitao <leitao@linux.vnet.ibm.com> | 3547 | M: Breno Leitao <leitao@linux.vnet.ibm.com> |
| 3392 | L: linux-serial@vger.kernel.org | 3548 | L: linux-serial@vger.kernel.org |
| 3393 | S: Maintained | 3549 | S: Maintained |
| 3394 | F: drivers/serial/jsm/ | 3550 | F: drivers/tty/serial/jsm/ |
| 3551 | |||
| 3552 | K10TEMP HARDWARE MONITORING DRIVER | ||
| 3553 | M: Clemens Ladisch <clemens@ladisch.de> | ||
| 3554 | L: lm-sensors@lm-sensors.org | ||
| 3555 | S: Maintained | ||
| 3556 | F: Documentation/hwmon/k10temp | ||
| 3557 | F: drivers/hwmon/k10temp.c | ||
| 3395 | 3558 | ||
| 3396 | K8TEMP HARDWARE MONITORING DRIVER | 3559 | K8TEMP HARDWARE MONITORING DRIVER |
| 3397 | M: Rudolf Marek <r.marek@assembler.cz> | 3560 | M: Rudolf Marek <r.marek@assembler.cz> |
| @@ -3527,6 +3690,28 @@ F: include/linux/key-type.h · 129 unmodified lines | |||
| 3527 | F: include/keys/ | 3690 | F: include/keys/ |
| 3528 | F: security/keys/ | 3691 | F: security/keys/ |
| 3529 | 3692 | ||
| 3693 | KEYS-TRUSTED | ||
| 3694 | M: David Safford <safford@watson.ibm.com> | ||
| 3695 | M: Mimi Zohar <zohar@us.ibm.com> | ||
| 3696 | L: linux-security-module@vger.kernel.org | ||
| 3697 | L: keyrings@linux-nfs.org | ||
| 3698 | S: Supported | ||
| 3699 | F: Documentation/keys-trusted-encrypted.txt | ||
| 3700 | F: include/keys/trusted-type.h | ||
| 3701 | F: security/keys/trusted.c | ||
| 3702 | F: security/keys/trusted.h | ||
| 3703 | |||
| 3704 | KEYS-ENCRYPTED | ||
| 3705 | M: Mimi Zohar <zohar@us.ibm.com> | ||
| 3706 | M: David Safford <safford@watson.ibm.com> | ||
| 3707 | L: linux-security-module@vger.kernel.org | ||
| 3708 | L: keyrings@linux-nfs.org | ||
| 3709 | S: Supported | ||
| 3710 | F: Documentation/keys-trusted-encrypted.txt | ||
| 3711 | F: include/keys/encrypted-type.h | ||
| 3712 | F: security/keys/encrypted.c | ||
| 3713 | F: security/keys/encrypted.h | ||
| 3714 | |||
| 3530 | KGDB / KDB /debug_core | 3715 | KGDB / KDB /debug_core |
| 3531 | M: Jason Wessel <jason.wessel@windriver.com> | 3716 | M: Jason Wessel <jason.wessel@windriver.com> |
| 3532 | W: http://kgdb.wiki.kernel.org/ | 3717 | W: http://kgdb.wiki.kernel.org/ |
| @@ -3534,14 +3719,14 @@ L: kgdb-bugreport@lists.sourceforge.net · 1 unmodified line | |||
| 3534 | S: Maintained | 3719 | S: Maintained |
| 3535 | F: Documentation/DocBook/kgdb.tmpl | 3720 | F: Documentation/DocBook/kgdb.tmpl |
| 3536 | F: drivers/misc/kgdbts.c | 3721 | F: drivers/misc/kgdbts.c |
| 3537 | F: drivers/serial/kgdboc.c | 3722 | F: drivers/tty/serial/kgdboc.c |
| 3538 | F: include/linux/kdb.h | 3723 | F: include/linux/kdb.h |
| 3539 | F: include/linux/kgdb.h | 3724 | F: include/linux/kgdb.h |
| 3540 | F: kernel/debug/ | 3725 | F: kernel/debug/ |
| 3541 | 3726 | ||
| 3542 | KMEMCHECK | 3727 | KMEMCHECK |
| 3543 | M: Vegard Nossum <vegardno@ifi.uio.no> | 3728 | M: Vegard Nossum <vegardno@ifi.uio.no> |
| 3544 | M: Pekka Enberg <penberg@cs.helsinki.fi> | 3729 | M: Pekka Enberg <penberg@kernel.org> |
| 3545 | S: Maintained | 3730 | S: Maintained |
| 3546 | F: Documentation/kmemcheck.txt | 3731 | F: Documentation/kmemcheck.txt |
| 3547 | F: arch/x86/include/asm/kmemcheck.h | 3732 | F: arch/x86/include/asm/kmemcheck.h |
| @@ -3978,9 +4163,8 @@ F: include/linux/module.h · 430 unmodified lines | |||
| 3978 | F: kernel/module.c | 4163 | F: kernel/module.c |
| 3979 | 4164 | ||
| 3980 | MOTION EYE VAIO PICTUREBOOK CAMERA DRIVER | 4165 | MOTION EYE VAIO PICTUREBOOK CAMERA DRIVER |
| 3981 | M: Stelian Pop <stelian@popies.net> | ||
| 3982 | W: http://popies.net/meye/ | 4166 | W: http://popies.net/meye/ |
| 3983 | S: Maintained | 4167 | S: Orphan |
| 3984 | F: Documentation/video4linux/meye.txt | 4168 | F: Documentation/video4linux/meye.txt |
| 3985 | F: drivers/media/video/meye.* | 4169 | F: drivers/media/video/meye.* |
| 3986 | F: include/linux/meye.h | 4170 | F: include/linux/meye.h |
| @@ -4246,6 +4430,7 @@ NILFS2 FILESYSTEM · 259 unmodified lines | |||
| 4246 | M: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> | 4430 | M: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> |
| 4247 | L: linux-nilfs@vger.kernel.org | 4431 | L: linux-nilfs@vger.kernel.org |
| 4248 | W: http://www.nilfs.org/en/ | 4432 | W: http://www.nilfs.org/en/ |
| 4433 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git | ||
| 4249 | S: Supported | 4434 | S: Supported |
| 4250 | F: Documentation/filesystems/nilfs2.txt | 4435 | F: Documentation/filesystems/nilfs2.txt |
| 4251 | F: fs/nilfs2/ | 4436 | F: fs/nilfs2/ |
| @@ -4267,11 +4452,11 @@ F: Documentation/scsi/NinjaSCSI.txt · 15 unmodified lines | |||
| 4267 | F: drivers/scsi/nsp32* | 4452 | F: drivers/scsi/nsp32* |
| 4268 | 4453 | ||
| 4269 | NTFS FILESYSTEM | 4454 | NTFS FILESYSTEM |
| 4270 | M: Anton Altaparmakov <aia21@cantab.net> | 4455 | M: Anton Altaparmakov <anton@tuxera.com> |
| 4271 | L: linux-ntfs-dev@lists.sourceforge.net | 4456 | L: linux-ntfs-dev@lists.sourceforge.net |
| 4272 | W: http://www.linux-ntfs.org/ | 4457 | W: http://www.tuxera.com/ |
| 4273 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/aia21/ntfs-2.6.git | 4458 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/aia21/ntfs-2.6.git |
| 4274 | S: Maintained | 4459 | S: Supported |
| 4275 | F: Documentation/filesystems/ntfs.txt | 4460 | F: Documentation/filesystems/ntfs.txt |
| 4276 | F: fs/ntfs/ | 4461 | F: fs/ntfs/ |
| 4277 | 4462 | ||
| @@ -4343,6 +4528,20 @@ M: Deepak Saxena <dsaxena@plexity.net> · 65 unmodified lines | |||
| 4343 | S: Maintained | 4528 | S: Maintained |
| 4344 | F: drivers/char/hw_random/omap-rng.c | 4529 | F: drivers/char/hw_random/omap-rng.c |
| 4345 | 4530 | ||
| 4531 | OMAP HWMOD SUPPORT | ||
| 4532 | M: Benoît Cousson <b-cousson@ti.com> | ||
| 4533 | M: Paul Walmsley <paul@pwsan.com> | ||
| 4534 | L: linux-omap@vger.kernel.org | ||
| 4535 | S: Maintained | ||
| 4536 | F: arch/arm/mach-omap2/omap_hwmod.c | ||
| 4537 | F: arch/arm/plat-omap/include/plat/omap_hwmod.h | ||
| 4538 | |||
| 4539 | OMAP HWMOD DATA FOR OMAP4-BASED DEVICES | ||
| 4540 | M: Benoît Cousson <b-cousson@ti.com> | ||
| 4541 | L: linux-omap@vger.kernel.org | ||
| 4542 | S: Maintained | ||
| 4543 | F: arch/arm/mach-omap2/omap_hwmod_44xx_data.c | ||
| 4544 | |||
| 4346 | OMAP USB SUPPORT | 4545 | OMAP USB SUPPORT |
| 4347 | M: Felipe Balbi <balbi@ti.com> | 4546 | M: Felipe Balbi <balbi@ti.com> |
| 4348 | M: David Brownell <dbrownell@users.sourceforge.net> | 4547 | M: David Brownell <dbrownell@users.sourceforge.net> |
| @@ -4401,7 +4600,7 @@ F: drivers/i2c/busses/i2c-ocores.c · 52 unmodified lines | |||
| 4401 | 4600 | ||
| 4402 | OPEN FIRMWARE AND FLATTENED DEVICE TREE | 4601 | OPEN FIRMWARE AND FLATTENED DEVICE TREE |
| 4403 | M: Grant Likely <grant.likely@secretlab.ca> | 4602 | M: Grant Likely <grant.likely@secretlab.ca> |
| 4404 | L: devicetree-discuss@lists.ozlabs.org | 4603 | L: devicetree-discuss@lists.ozlabs.org (moderated for non-subscribers) |
| 4405 | W: http://fdt.secretlab.ca | 4604 | W: http://fdt.secretlab.ca |
| 4406 | T: git git://git.secretlab.ca/git/linux-2.6.git | 4605 | T: git git://git.secretlab.ca/git/linux-2.6.git |
| 4407 | S: Maintained | 4606 | S: Maintained |
| @@ -4409,6 +4608,13 @@ F: drivers/of · 1 unmodified line | |||
| 4409 | F: include/linux/of*.h | 4608 | F: include/linux/of*.h |
| 4410 | K: of_get_property | 4609 | K: of_get_property |
| 4411 | 4610 | ||
| 4611 | OPL4 DRIVER | ||
| 4612 | M: Clemens Ladisch <clemens@ladisch.de> | ||
| 4613 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | ||
| 4614 | T: git git://git.alsa-project.org/alsa-kernel.git | ||
| 4615 | S: Maintained | ||
| 4616 | F: sound/drivers/opl4/ | ||
| 4617 | |||
| 4412 | OPROFILE | 4618 | OPROFILE |
| 4413 | M: Robert Richter <robert.richter@amd.com> | 4619 | M: Robert Richter <robert.richter@amd.com> |
| 4414 | L: oprofile-list@lists.sf.net | 4620 | L: oprofile-list@lists.sf.net |
| @@ -4420,7 +4626,7 @@ F: include/linux/oprofile.h · 5 unmodified lines | |||
| 4420 | 4626 | ||
| 4421 | ORACLE CLUSTER FILESYSTEM 2 (OCFS2) | 4627 | ORACLE CLUSTER FILESYSTEM 2 (OCFS2) |
| 4422 | M: Mark Fasheh <mfasheh@suse.com> | 4628 | M: Mark Fasheh <mfasheh@suse.com> |
| 4423 | M: Joel Becker <joel.becker@oracle.com> | 4629 | M: Joel Becker <jlbec@evilplan.org> |
| 4424 | L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers) | 4630 | L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers) |
| 4425 | W: http://oss.oracle.com/projects/ocfs2/ | 4631 | W: http://oss.oracle.com/projects/ocfs2/ |
| 4426 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2.git | 4632 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2.git |
| @@ -4505,7 +4711,7 @@ M: Jeremy Fitzhardinge <jeremy@xensource.com> · 78 unmodified lines | |||
| 4505 | M: Chris Wright <chrisw@sous-sol.org> | 4711 | M: Chris Wright <chrisw@sous-sol.org> |
| 4506 | M: Alok Kataria <akataria@vmware.com> | 4712 | M: Alok Kataria <akataria@vmware.com> |
| 4507 | M: Rusty Russell <rusty@rustcorp.com.au> | 4713 | M: Rusty Russell <rusty@rustcorp.com.au> |
| 4508 | L: virtualization@lists.osdl.org | 4714 | L: virtualization@lists.linux-foundation.org |
| 4509 | S: Supported | 4715 | S: Supported |
| 4510 | F: Documentation/ia64/paravirt_ops.txt | 4716 | F: Documentation/ia64/paravirt_ops.txt |
| 4511 | F: arch/*/kernel/paravirt* | 4717 | F: arch/*/kernel/paravirt* |
| @@ -4617,6 +4823,16 @@ S: Maintained · 105 unmodified lines | |||
| 4617 | F: crypto/pcrypt.c | 4823 | F: crypto/pcrypt.c |
| 4618 | F: include/crypto/pcrypt.h | 4824 | F: include/crypto/pcrypt.h |
| 4619 | 4825 | ||
| 4826 | PER-CPU MEMORY ALLOCATOR | ||
| 4827 | M: Tejun Heo <tj@kernel.org> | ||
| 4828 | M: Christoph Lameter <cl@linux-foundation.org> | ||
| 4829 | L: linux-kernel@vger.kernel.org | ||
| 4830 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git | ||
| 4831 | S: Maintained | ||
| 4832 | F: include/linux/percpu*.h | ||
| 4833 | F: mm/percpu*.c | ||
| 4834 | F: arch/*/include/asm/percpu.h | ||
| 4835 | |||
| 4620 | PER-TASK DELAY ACCOUNTING | 4836 | PER-TASK DELAY ACCOUNTING |
| 4621 | M: Balbir Singh <balbir@linux.vnet.ibm.com> | 4837 | M: Balbir Singh <balbir@linux.vnet.ibm.com> |
| 4622 | S: Maintained | 4838 | S: Maintained |
| @@ -4627,7 +4843,7 @@ PERFORMANCE EVENTS SUBSYSTEM · 4 unmodified lines | |||
| 4627 | M: Peter Zijlstra <a.p.zijlstra@chello.nl> | 4843 | M: Peter Zijlstra <a.p.zijlstra@chello.nl> |
| 4628 | M: Paul Mackerras <paulus@samba.org> | 4844 | M: Paul Mackerras <paulus@samba.org> |
| 4629 | M: Ingo Molnar <mingo@elte.hu> | 4845 | M: Ingo Molnar <mingo@elte.hu> |
| 4630 | M: Arnaldo Carvalho de Melo <acme@redhat.com> | 4846 | M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> |
| 4631 | S: Supported | 4847 | S: Supported |
| 4632 | F: kernel/perf_event*.c | 4848 | F: kernel/perf_event*.c |
| 4633 | F: include/linux/perf_event.h | 4849 | F: include/linux/perf_event.h |
| @@ -4993,11 +5209,6 @@ F: kernel/rcu* · 359 unmodified lines | |||
| 4993 | F: kernel/srcu* | 5209 | F: kernel/srcu* |
| 4994 | X: kernel/rcutorture.c | 5210 | X: kernel/rcutorture.c |
| 4995 | 5211 | ||
| 4996 | REAL TIME CLOCK DRIVER (LEGACY) | ||
| 4997 | M: Paul Gortmaker <p_gortmaker@yahoo.com> | ||
| 4998 | S: Maintained | ||
| 4999 | F: drivers/char/rtc.c | ||
| 5000 | |||
| 5001 | REAL TIME CLOCK (RTC) SUBSYSTEM | 5212 | REAL TIME CLOCK (RTC) SUBSYSTEM |
| 5002 | M: Alessandro Zummo <a.zummo@towertech.it> | 5213 | M: Alessandro Zummo <a.zummo@towertech.it> |
| 5003 | L: rtc-linux@googlegroups.com | 5214 | L: rtc-linux@googlegroups.com |
| @@ -5052,7 +5263,7 @@ L: linux-wireless@vger.kernel.org · 48 unmodified lines | |||
| 5052 | W: http://linuxwireless.org/ | 5263 | W: http://linuxwireless.org/ |
| 5053 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git | 5264 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git |
| 5054 | S: Maintained | 5265 | S: Maintained |
| 5055 | F: drivers/net/wireless/rtl818x/rtl8180* | 5266 | F: drivers/net/wireless/rtl818x/rtl8180/ |
| 5056 | 5267 | ||
| 5057 | RTL8187 WIRELESS DRIVER | 5268 | RTL8187 WIRELESS DRIVER |
| 5058 | M: Herton Ronaldo Krzesinski <herton@mandriva.com.br> | 5269 | M: Herton Ronaldo Krzesinski <herton@mandriva.com.br> |
| @@ -5062,7 +5273,17 @@ L: linux-wireless@vger.kernel.org · 3 unmodified lines | |||
| 5062 | W: http://linuxwireless.org/ | 5273 | W: http://linuxwireless.org/ |
| 5063 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git | 5274 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git |
| 5064 | S: Maintained | 5275 | S: Maintained |
| 5065 | F: drivers/net/wireless/rtl818x/rtl8187* | 5276 | F: drivers/net/wireless/rtl818x/rtl8187/ |
| 5277 | |||
| 5278 | RTL8192CE WIRELESS DRIVER | ||
| 5279 | M: Larry Finger <Larry.Finger@lwfinger.net> | ||
| 5280 | M: Chaoming Li <chaoming_li@realsil.com.cn> | ||
| 5281 | L: linux-wireless@vger.kernel.org | ||
| 5282 | W: http://linuxwireless.org/ | ||
| 5283 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git | ||
| 5284 | S: Maintained | ||
| 5285 | F: drivers/net/wireless/rtlwifi/ | ||
| 5286 | F: drivers/net/wireless/rtlwifi/rtl8192ce/ | ||
| 5066 | 5287 | ||
| 5067 | S3 SAVAGE FRAMEBUFFER DRIVER | 5288 | S3 SAVAGE FRAMEBUFFER DRIVER |
| 5068 | M: Antonino Daplas <adaplas@gmail.com> | 5289 | M: Antonino Daplas <adaplas@gmail.com> |
| @@ -5093,8 +5314,7 @@ S: Supported · 24 unmodified lines | |||
| 5093 | F: drivers/s390/net/ | 5314 | F: drivers/s390/net/ |
| 5094 | 5315 | ||
| 5095 | S390 ZCRYPT DRIVER | 5316 | S390 ZCRYPT DRIVER |
| 5096 | M: Felix Beck <felix.beck@de.ibm.com> | 5317 | M: Holger Dengler <hd@linux.vnet.ibm.com> |
| 5097 | M: Ralph Wuerthner <ralph.wuerthner@de.ibm.com> | ||
| 5098 | M: linux390@de.ibm.com | 5318 | M: linux390@de.ibm.com |
| 5099 | L: linux-s390@vger.kernel.org | 5319 | L: linux-s390@vger.kernel.org |
| 5100 | W: http://www.ibm.com/developerworks/linux/linux390/ | 5320 | W: http://www.ibm.com/developerworks/linux/linux390/ |
| @@ -5140,7 +5360,19 @@ SAMSUNG AUDIO (ASoC) DRIVERS · 39 unmodified lines | |||
| 5140 | M: Jassi Brar <jassi.brar@samsung.com> | 5360 | M: Jassi Brar <jassi.brar@samsung.com> |
| 5141 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | 5361 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) |
| 5142 | S: Supported | 5362 | S: Supported |
| 5143 | F: sound/soc/s3c24xx | 5363 | F: sound/soc/samsung |
| 5364 | |||
| 5365 | TIMEKEEPING, NTP | ||
| 5366 | M: John Stultz <johnstul@us.ibm.com> | ||
| 5367 | M: Thomas Gleixner <tglx@linutronix.de> | ||
| 5368 | S: Supported | ||
| 5369 | F: include/linux/clocksource.h | ||
| 5370 | F: include/linux/time.h | ||
| 5371 | F: include/linux/timex.h | ||
| 5372 | F: include/linux/timekeeping.h | ||
| 5373 | F: kernel/time/clocksource.c | ||
| 5374 | F: kernel/time/time*.c | ||
| 5375 | F: kernel/time/ntp.c | ||
| 5144 | 5376 | ||
| 5145 | TLG2300 VIDEO4LINUX-2 DRIVER | 5377 | TLG2300 VIDEO4LINUX-2 DRIVER |
| 5146 | M: Huang Shijie <shijie8@gmail.com> | 5378 | M: Huang Shijie <shijie8@gmail.com> |
| @@ -5328,12 +5560,11 @@ S: Supported · 181 unmodified lines | |||
| 5328 | F: drivers/scsi/be2iscsi/ | 5560 | F: drivers/scsi/be2iscsi/ |
| 5329 | 5561 | ||
| 5330 | SERVER ENGINES 10Gbps NIC - BladeEngine 2 DRIVER | 5562 | SERVER ENGINES 10Gbps NIC - BladeEngine 2 DRIVER |
| 5331 | M: Sathya Perla <sathyap@serverengines.com> | 5563 | M: Sathya Perla <sathya.perla@emulex.com> |
| 5332 | M: Subbu Seetharaman <subbus@serverengines.com> | 5564 | M: Subbu Seetharaman <subbu.seetharaman@emulex.com> |
| 5333 | M: Sarveshwar Bandi <sarveshwarb@serverengines.com> | 5565 | M: Ajit Khaparde <ajit.khaparde@emulex.com> |
| 5334 | M: Ajit Khaparde <ajitk@serverengines.com> | ||
| 5335 | L: netdev@vger.kernel.org | 5566 | L: netdev@vger.kernel.org |
| 5336 | W: http://www.serverengines.com | 5567 | W: http://www.emulex.com |
| 5337 | S: Supported | 5568 | S: Supported |
| 5338 | F: drivers/net/benet/ | 5569 | F: drivers/net/benet/ |
| 5339 | 5570 | ||
| @@ -5355,7 +5586,7 @@ M: Pat Gefre <pfg@sgi.com> · 15 unmodified lines | |||
| 5355 | L: linux-ia64@vger.kernel.org | 5586 | L: linux-ia64@vger.kernel.org |
| 5356 | S: Supported | 5587 | S: Supported |
| 5357 | F: Documentation/ia64/serial.txt | 5588 | F: Documentation/ia64/serial.txt |
| 5358 | F: drivers/serial/ioc?_serial.c | 5589 | F: drivers/tty/serial/ioc?_serial.c |
| 5359 | F: include/linux/ioc?.h | 5590 | F: include/linux/ioc?.h |
| 5360 | 5591 | ||
| 5361 | SGI VISUAL WORKSTATION 320 AND 540 | 5592 | SGI VISUAL WORKSTATION 320 AND 540 |
| @@ -5377,7 +5608,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) · 15 unmodified lines | |||
| 5377 | S: Maintained | 5608 | S: Maintained |
| 5378 | F: Documentation/arm/Sharp-LH/ADC-LH7-Touchscreen | 5609 | F: Documentation/arm/Sharp-LH/ADC-LH7-Touchscreen |
| 5379 | F: arch/arm/mach-lh7a40x/ | 5610 | F: arch/arm/mach-lh7a40x/ |
| 5380 | F: drivers/serial/serial_lh7a40x.c | 5611 | F: drivers/tty/serial/serial_lh7a40x.c |
| 5381 | F: drivers/usb/gadget/lh7a40* | 5612 | F: drivers/usb/gadget/lh7a40* |
| 5382 | F: drivers/usb/host/ohci-lh7a40* | 5613 | F: drivers/usb/host/ohci-lh7a40* |
| 5383 | 5614 | ||
| @@ -5393,18 +5624,20 @@ F: include/linux/sfi*.h · 9 unmodified lines | |||
| 5393 | 5624 | ||
| 5394 | SIMTEC EB110ATX (Chalice CATS) | 5625 | SIMTEC EB110ATX (Chalice CATS) |
| 5395 | P: Ben Dooks | 5626 | P: Ben Dooks |
| 5396 | M: Vincent Sanders <support@simtec.co.uk> | 5627 | P: Vincent Sanders <vince@simtec.co.uk> |
| 5628 | M: Simtec Linux Team <linux@simtec.co.uk> | ||
| 5397 | W: http://www.simtec.co.uk/products/EB110ATX/ | 5629 | W: http://www.simtec.co.uk/products/EB110ATX/ |
| 5398 | S: Supported | 5630 | S: Supported |
| 5399 | 5631 | ||
| 5400 | SIMTEC EB2410ITX (BAST) | 5632 | SIMTEC EB2410ITX (BAST) |
| 5401 | P: Ben Dooks | 5633 | P: Ben Dooks |
| 5402 | M: Vincent Sanders <support@simtec.co.uk> | 5634 | P: Vincent Sanders <vince@simtec.co.uk> |
| 5635 | M: Simtec Linux Team <linux@simtec.co.uk> | ||
| 5403 | W: http://www.simtec.co.uk/products/EB2410ITX/ | 5636 | W: http://www.simtec.co.uk/products/EB2410ITX/ |
| 5404 | S: Supported | 5637 | S: Supported |
| 5405 | F: arch/arm/mach-s3c2410/ | 5638 | F: arch/arm/mach-s3c2410/mach-bast.c |
| 5406 | F: drivers/*/*s3c2410* | 5639 | F: arch/arm/mach-s3c2410/bast-ide.c |
| 5407 | F: drivers/*/*/*s3c2410* | 5640 | F: arch/arm/mach-s3c2410/bast-irq.c |
| 5408 | 5641 | ||
| 5409 | TI DAVINCI MACHINE SUPPORT | 5642 | TI DAVINCI MACHINE SUPPORT |
| 5410 | M: Kevin Hilman <khilman@deeprootsystems.com> | 5643 | M: Kevin Hilman <khilman@deeprootsystems.com> |
| @@ -5456,7 +5689,7 @@ F: drivers/net/sky2.* · 45 unmodified lines | |||
| 5456 | 5689 | ||
| 5457 | SLAB ALLOCATOR | 5690 | SLAB ALLOCATOR |
| 5458 | M: Christoph Lameter <cl@linux-foundation.org> | 5691 | M: Christoph Lameter <cl@linux-foundation.org> |
| 5459 | M: Pekka Enberg <penberg@cs.helsinki.fi> | 5692 | M: Pekka Enberg <penberg@kernel.org> |
| 5460 | M: Matt Mackall <mpm@selenic.com> | 5693 | M: Matt Mackall <mpm@selenic.com> |
| 5461 | L: linux-mm@kvack.org | 5694 | L: linux-mm@kvack.org |
| 5462 | S: Maintained | 5695 | S: Maintained |
| @@ -5597,14 +5830,14 @@ L: sparclinux@vger.kernel.org · 134 unmodified lines | |||
| 5597 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6.git | 5830 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6.git |
| 5598 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git | 5831 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git |
| 5599 | S: Maintained | 5832 | S: Maintained |
| 5600 | F: drivers/serial/suncore.c | 5833 | F: drivers/tty/serial/suncore.c |
| 5601 | F: drivers/serial/suncore.h | 5834 | F: drivers/tty/serial/suncore.h |
| 5602 | F: drivers/serial/sunhv.c | 5835 | F: drivers/tty/serial/sunhv.c |
| 5603 | F: drivers/serial/sunsab.c | 5836 | F: drivers/tty/serial/sunsab.c |
| 5604 | F: drivers/serial/sunsab.h | 5837 | F: drivers/tty/serial/sunsab.h |
| 5605 | F: drivers/serial/sunsu.c | 5838 | F: drivers/tty/serial/sunsu.c |
| 5606 | F: drivers/serial/sunzilog.c | 5839 | F: drivers/tty/serial/sunzilog.c |
| 5607 | F: drivers/serial/sunzilog.h | 5840 | F: drivers/tty/serial/sunzilog.h |
| 5608 | 5841 | ||
| 5609 | SPEAR PLATFORM SUPPORT | 5842 | SPEAR PLATFORM SUPPORT |
| 5610 | M: Viresh Kumar <viresh.kumar@st.com> | 5843 | M: Viresh Kumar <viresh.kumar@st.com> |
| @@ -5712,12 +5945,6 @@ M: Ion Badulescu <ionut@badula.org> · 101 unmodified lines | |||
| 5712 | S: Odd Fixes | 5945 | S: Odd Fixes |
| 5713 | F: drivers/net/starfire* | 5946 | F: drivers/net/starfire* |
| 5714 | 5947 | ||
| 5715 | STRADIS MPEG-2 DECODER DRIVER | ||
| 5716 | M: Nathan Laredo <laredo@gnu.org> | ||
| 5717 | W: http://www.stradis.com/ | ||
| 5718 | S: Maintained | ||
| 5719 | F: drivers/media/video/stradis.c | ||
| 5720 | |||
| 5721 | SUN3/3X | 5948 | SUN3/3X |
| 5722 | M: Sam Creasey <sammy@sammy.net> | 5949 | M: Sam Creasey <sammy@sammy.net> |
| 5723 | W: http://sammy.net/sun3/ | 5950 | W: http://sammy.net/sun3/ |
| @@ -5867,7 +6094,8 @@ F: drivers/net/tlan.* · 143 unmodified lines | |||
| 5867 | TOMOYO SECURITY MODULE | 6094 | TOMOYO SECURITY MODULE |
| 5868 | M: Kentaro Takeda <takedakn@nttdata.co.jp> | 6095 | M: Kentaro Takeda <takedakn@nttdata.co.jp> |
| 5869 | M: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 6096 | M: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> |
| 5870 | L: tomoyo-users-en@lists.sourceforge.jp (subscribers-only, for developers and users in English) | 6097 | L: tomoyo-dev-en@lists.sourceforge.jp (subscribers-only, for developers in English) |
| 6098 | L: tomoyo-users-en@lists.sourceforge.jp (subscribers-only, for users in English) | ||
| 5871 | L: tomoyo-dev@lists.sourceforge.jp (subscribers-only, for developers in Japanese) | 6099 | L: tomoyo-dev@lists.sourceforge.jp (subscribers-only, for developers in Japanese) |
| 5872 | L: tomoyo-users@lists.sourceforge.jp (subscribers-only, for users in Japanese) | 6100 | L: tomoyo-users@lists.sourceforge.jp (subscribers-only, for users in Japanese) |
| 5873 | W: http://tomoyo.sourceforge.jp/ | 6101 | W: http://tomoyo.sourceforge.jp/ |
| @@ -5939,8 +6167,8 @@ TTY LAYER · 65 unmodified lines | |||
| 5939 | M: Greg Kroah-Hartman <gregkh@suse.de> | 6167 | M: Greg Kroah-Hartman <gregkh@suse.de> |
| 5940 | S: Maintained | 6168 | S: Maintained |
| 5941 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git | 6169 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git |
| 5942 | F: drivers/char/tty_* | 6170 | F: drivers/tty/* |
| 5943 | F: drivers/serial/serial_core.c | 6171 | F: drivers/tty/serial/serial_core.c |
| 5944 | F: include/linux/serial_core.h | 6172 | F: include/linux/serial_core.h |
| 5945 | F: include/linux/serial.h | 6173 | F: include/linux/serial.h |
| 5946 | F: include/linux/tty.h | 6174 | F: include/linux/tty.h |
| @@ -6141,6 +6369,13 @@ S: Maintained · 194 unmodified lines | |||
| 6141 | W: http://www.one-eyed-alien.net/~mdharm/linux-usb/ | 6369 | W: http://www.one-eyed-alien.net/~mdharm/linux-usb/ |
| 6142 | F: drivers/usb/storage/ | 6370 | F: drivers/usb/storage/ |
| 6143 | 6371 | ||
| 6372 | USB MIDI DRIVER | ||
| 6373 | M: Clemens Ladisch <clemens@ladisch.de> | ||
| 6374 | L: alsa-devel@alsa-project.org (moderated for non-subscribers) | ||
| 6375 | T: git git://git.alsa-project.org/alsa-kernel.git | ||
| 6376 | S: Maintained | ||
| 6377 | F: sound/usb/midi.* | ||
| 6378 | |||
| 6144 | USB OHCI DRIVER | 6379 | USB OHCI DRIVER |
| 6145 | M: David Brownell <dbrownell@users.sourceforge.net> | 6380 | M: David Brownell <dbrownell@users.sourceforge.net> |
| 6146 | L: linux-usb@vger.kernel.org | 6381 | L: linux-usb@vger.kernel.org |
| @@ -6377,10 +6612,20 @@ S: Maintained · 230 unmodified lines | |||
| 6377 | F: drivers/char/virtio_console.c | 6612 | F: drivers/char/virtio_console.c |
| 6378 | F: include/linux/virtio_console.h | 6613 | F: include/linux/virtio_console.h |
| 6379 | 6614 | ||
| 6615 | VIRTIO CORE, NET AND BLOCK DRIVERS | ||
| 6616 | M: Rusty Russell <rusty@rustcorp.com.au> | ||
| 6617 | M: "Michael S. Tsirkin" <mst@redhat.com> | ||
| 6618 | L: virtualization@lists.linux-foundation.org | ||
| 6619 | S: Maintained | ||
| 6620 | F: drivers/virtio/ | ||
| 6621 | F: drivers/net/virtio_net.c | ||
| 6622 | F: drivers/block/virtio_blk.c | ||
| 6623 | F: include/linux/virtio_*.h | ||
| 6624 | |||
| 6380 | VIRTIO HOST (VHOST) | 6625 | VIRTIO HOST (VHOST) |
| 6381 | M: "Michael S. Tsirkin" <mst@redhat.com> | 6626 | M: "Michael S. Tsirkin" <mst@redhat.com> |
| 6382 | L: kvm@vger.kernel.org | 6627 | L: kvm@vger.kernel.org |
| 6383 | L: virtualization@lists.osdl.org | 6628 | L: virtualization@lists.linux-foundation.org |
| 6384 | L: netdev@vger.kernel.org | 6629 | L: netdev@vger.kernel.org |
| 6385 | S: Maintained | 6630 | S: Maintained |
| 6386 | F: drivers/vhost/ | 6631 | F: drivers/vhost/ |
| @@ -6399,13 +6644,12 @@ F: Documentation/i2c/busses/i2c-viapro · 12 unmodified lines | |||
| 6399 | F: drivers/i2c/busses/i2c-viapro.c | 6644 | F: drivers/i2c/busses/i2c-viapro.c |
| 6400 | 6645 | ||
| 6401 | VIA SD/MMC CARD CONTROLLER DRIVER | 6646 | VIA SD/MMC CARD CONTROLLER DRIVER |
| 6402 | M: Joseph Chan <JosephChan@via.com.tw> | 6647 | M: Bruce Chang <brucechang@via.com.tw> |
| 6403 | M: Harald Welte <HaraldWelte@viatech.com> | 6648 | M: Harald Welte <HaraldWelte@viatech.com> |
| 6404 | S: Maintained | 6649 | S: Maintained |
| 6405 | F: drivers/mmc/host/via-sdmmc.c | 6650 | F: drivers/mmc/host/via-sdmmc.c |
| 6406 | 6651 | ||
| 6407 | VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER | 6652 | VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER |
| 6408 | M: Joseph Chan <JosephChan@via.com.tw> | ||
| 6409 | M: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 6653 | M: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> |
| 6410 | L: linux-fbdev@vger.kernel.org | 6654 | L: linux-fbdev@vger.kernel.org |
| 6411 | S: Maintained | 6655 | S: Maintained |
| @@ -6430,7 +6674,7 @@ F: net/8021q/ · 18 unmodified lines | |||
| 6430 | 6674 | ||
| 6431 | VLYNQ BUS | 6675 | VLYNQ BUS |
| 6432 | M: Florian Fainelli <florian@openwrt.org> | 6676 | M: Florian Fainelli <florian@openwrt.org> |
| 6433 | L: openwrt-devel@lists.openwrt.org | 6677 | L: openwrt-devel@lists.openwrt.org (subscribers-only) |
| 6434 | S: Maintained | 6678 | S: Maintained |
| 6435 | F: drivers/vlynq/vlynq.c | 6679 | F: drivers/vlynq/vlynq.c |
| 6436 | F: include/linux/vlynq.h | 6680 | F: include/linux/vlynq.h |
| @@ -6551,12 +6795,12 @@ S: Maintained · 114 unmodified lines | |||
| 6551 | F: drivers/net/wireless/wl1251/* | 6795 | F: drivers/net/wireless/wl1251/* |
| 6552 | 6796 | ||
| 6553 | WL1271 WIRELESS DRIVER | 6797 | WL1271 WIRELESS DRIVER |
| 6554 | M: Luciano Coelho <luciano.coelho@nokia.com> | 6798 | M: Luciano Coelho <coelho@ti.com> |
| 6555 | L: linux-wireless@vger.kernel.org | 6799 | L: linux-wireless@vger.kernel.org |
| 6556 | W: http://wireless.kernel.org | 6800 | W: http://wireless.kernel.org/en/users/Drivers/wl12xx |
| 6557 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx.git | 6801 | T: git git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx.git |
| 6558 | S: Maintained | 6802 | S: Maintained |
| 6559 | F: drivers/net/wireless/wl12xx/wl1271* | 6803 | F: drivers/net/wireless/wl12xx/ |
| 6560 | F: include/linux/wl12xx.h | 6804 | F: include/linux/wl12xx.h |
| 6561 | 6805 | ||
| 6562 | WL3501 WIRELESS PCMCIA CARD DRIVER | 6806 | WL3501 WIRELESS PCMCIA CARD DRIVER |
| @@ -6650,7 +6894,7 @@ XEN HYPERVISOR INTERFACE · 87 unmodified lines | |||
| 6650 | M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 6894 | M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> |
| 6651 | M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 6895 | M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> |
| 6652 | L: xen-devel@lists.xensource.com (moderated for non-subscribers) | 6896 | L: xen-devel@lists.xensource.com (moderated for non-subscribers) |
| 6653 | L: virtualization@lists.osdl.org | 6897 | L: virtualization@lists.linux-foundation.org |
| 6654 | S: Supported | 6898 | S: Supported |
| 6655 | F: arch/x86/xen/ | 6899 | F: arch/x86/xen/ |
| 6656 | F: drivers/*/xen-*front.c | 6900 | F: drivers/*/xen-*front.c |
| @@ -6679,7 +6923,7 @@ XILINX UARTLITE SERIAL DRIVER · 22 unmodified lines | |||
| 6679 | M: Peter Korsgaard <jacmet@sunsite.dk> | 6923 | M: Peter Korsgaard <jacmet@sunsite.dk> |
| 6680 | L: linux-serial@vger.kernel.org | 6924 | L: linux-serial@vger.kernel.org |
| 6681 | S: Maintained | 6925 | S: Maintained |
| 6682 | F: drivers/serial/uartlite.c | 6926 | F: drivers/tty/serial/uartlite.c |
| 6683 | 6927 | ||
| 6684 | YAM DRIVER FOR AX.25 | 6928 | YAM DRIVER FOR AX.25 |
| 6685 | M: Jean-Paul Roubelat <jpr@f6fbb.org> | 6929 | M: Jean-Paul Roubelat <jpr@f6fbb.org> |
| @@ -6725,7 +6969,7 @@ F: drivers/media/video/zoran/ · 39 unmodified lines | |||
| 6725 | ZS DECSTATION Z85C30 SERIAL DRIVER | 6969 | ZS DECSTATION Z85C30 SERIAL DRIVER |
| 6726 | M: "Maciej W. Rozycki" <macro@linux-mips.org> | 6970 | M: "Maciej W. Rozycki" <macro@linux-mips.org> |
| 6727 | S: Maintained | 6971 | S: Maintained |
| 6728 | F: drivers/serial/zs.* | 6972 | F: drivers/tty/serial/zs.* |
| 6729 | 6973 | ||
| 6730 | GRE DEMULTIPLEXER DRIVER | 6974 | GRE DEMULTIPLEXER DRIVER |
| 6731 | M: Dmitry Kozlov <xeb@mail.ru> | 6975 | M: Dmitry Kozlov <xeb@mail.ru> |
| @@ -1,7 +1,7 @@ | |||
| 1 | VERSION = 2 | 1 | VERSION = 2 |
| 2 | PATCHLEVEL = 6 | 2 | PATCHLEVEL = 6 |
| 3 | SUBLEVEL = 37 | 3 | SUBLEVEL = 38 |
| 4 | EXTRAVERSION = | 4 | EXTRAVERSION = -rc6 |
| 5 | NAME = Flesh-Eating Bats with Fangs | 5 | NAME = Flesh-Eating Bats with Fangs |
| 6 | 6 | ||
| 7 | # *DOCUMENTATION* | 7 | # *DOCUMENTATION* |
| @@ -224,6 +224,7 @@ ifeq ($(ARCH),m68knommu) · 216 unmodified lines | |||
| 224 | endif | 224 | endif |
| 225 | 225 | ||
| 226 | KCONFIG_CONFIG ?= .config | 226 | KCONFIG_CONFIG ?= .config |
| 227 | export KCONFIG_CONFIG | ||
| 227 | 228 | ||
| 228 | # SHELL used by kbuild | 229 | # SHELL used by kbuild |
| 229 | CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ | 230 | CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ |
| @@ -175,4 +175,7 @@ config HAVE_PERF_EVENTS_NMI · 174 unmodified lines | |||
| 175 | config HAVE_ARCH_JUMP_LABEL | 175 | config HAVE_ARCH_JUMP_LABEL |
| 176 | bool | 176 | bool |
| 177 | 177 | ||
| 178 | config HAVE_ARCH_MUTEX_CPU_RELAX | ||
| 179 | bool | ||
| 180 | |||
| 178 | source "kernel/gcov/Kconfig" | 181 | source "kernel/gcov/Kconfig" |
| @@ -8,6 +8,9 @@ config ALPHA · 7 unmodified lines | |||
| 8 | select HAVE_IRQ_WORK | 8 | select HAVE_IRQ_WORK |
| 9 | select HAVE_PERF_EVENTS | 9 | select HAVE_PERF_EVENTS |
| 10 | select HAVE_DMA_ATTRS | 10 | select HAVE_DMA_ATTRS |
| 11 | select HAVE_GENERIC_HARDIRQS | ||
| 12 | select GENERIC_IRQ_PROBE | ||
| 13 | select AUTO_IRQ_AFFINITY if SMP | ||
| 11 | help | 14 | help |
| 12 | The Alpha is a 64-bit general-purpose processor designed and | 15 | The Alpha is a 64-bit general-purpose processor designed and |
| 13 | marketed by the Digital Equipment Corporation of blessed memory, | 16 | marketed by the Digital Equipment Corporation of blessed memory, |
| @@ -68,19 +71,6 @@ config GENERIC_IOMAP · 54 unmodified lines | |||
| 68 | bool | 71 | bool |
| 69 | default n | 72 | default n |
| 70 | 73 | ||
| 71 | config GENERIC_HARDIRQS | ||
| 72 | bool | ||
| 73 | default y | ||
| 74 | |||
| 75 | config GENERIC_IRQ_PROBE | ||
| 76 | bool | ||
| 77 | default y | ||
| 78 | |||
| 79 | config AUTO_IRQ_AFFINITY | ||
| 80 | bool | ||
| 81 | depends on SMP | ||
| 82 | default y | ||
| 83 | |||
| 84 | source "init/Kconfig" | 74 | source "init/Kconfig" |
| 85 | source "kernel/Kconfig.freezer" | 75 | source "kernel/Kconfig.freezer" |
| 86 | 76 | ||
| @@ -37,8 +37,9 @@ · 36 unmodified lines | |||
| 37 | */ | 37 | */ |
| 38 | extern inline void __set_hae(unsigned long new_hae) | 38 | extern inline void __set_hae(unsigned long new_hae) |
| 39 | { | 39 | { |
| 40 | unsigned long flags; | 40 | unsigned long flags = swpipl(IPL_MAX); |
| 41 | local_irq_save(flags); | 41 | |
| 42 | barrier(); | ||
| 42 | 43 | ||
| 43 | alpha_mv.hae_cache = new_hae; | 44 | alpha_mv.hae_cache = new_hae; |
| 44 | *alpha_mv.hae_register = new_hae; | 45 | *alpha_mv.hae_register = new_hae; |
| @@ -46,7 +47,8 @@ extern inline void __set_hae(unsigned long new_hae) · 1 unmodified line | |||
| 46 | /* Re-read to make sure it was written. */ | 47 | /* Re-read to make sure it was written. */ |
| 47 | new_hae = *alpha_mv.hae_register; | 48 | new_hae = *alpha_mv.hae_register; |
| 48 | 49 | ||
| 49 | local_irq_restore(flags); | 50 | setipl(flags); |
| 51 | barrier(); | ||
| 50 | } | 52 | } |
| 51 | 53 | ||
| 52 | extern inline void set_hae(unsigned long new_hae) | 54 | extern inline void set_hae(unsigned long new_hae) |
| @@ -92,6 +92,7 @@ · 91 unmodified lines | |||
| 92 | #define TIOCGSID 0x5429 /* Return the session ID of FD */ | 92 | #define TIOCGSID 0x5429 /* Return the session ID of FD */ |
| 93 | #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ | 93 | #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ |
| 94 | #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ | 94 | #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ |
| 95 | #define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ | ||
| 95 | #define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ | 96 | #define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ |
| 96 | 97 | ||
| 97 | #define TIOCSERCONFIG 0x5453 | 98 | #define TIOCSERCONFIG 0x5453 |
| @@ -53,6 +53,9 @@ · 52 unmodified lines | |||
| 53 | #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ | 53 | #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ |
| 54 | #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ | 54 | #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ |
| 55 | 55 | ||
| 56 | #define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ | ||
| 57 | #define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */ | ||
| 58 | |||
| 56 | /* compatibility flags */ | 59 | /* compatibility flags */ |
| 57 | #define MAP_FILE 0 | 60 | #define MAP_FILE 0 |
| 58 | 61 | ||
| @@ -1,10 +1,4 @@ | |||
| 1 | #ifndef __ASM_ALPHA_PERF_EVENT_H | 1 | #ifndef __ASM_ALPHA_PERF_EVENT_H |
| 2 | #define __ASM_ALPHA_PERF_EVENT_H | 2 | #define __ASM_ALPHA_PERF_EVENT_H |
| 3 | 3 | ||
| 4 | #ifdef CONFIG_PERF_EVENTS | ||
| 5 | extern void init_hw_perf_events(void); | ||
| 6 | #else | ||
| 7 | static inline void init_hw_perf_events(void) { } | ||
| 8 | #endif | ||
| 9 | |||
| 10 | #endif /* __ASM_ALPHA_PERF_EVENT_H */ | 4 | #endif /* __ASM_ALPHA_PERF_EVENT_H */ |
| @@ -3,8 +3,8 @@ · 2 unmodified lines | |||
| 3 | # | 3 | # |
| 4 | 4 | ||
| 5 | extra-y := head.o vmlinux.lds | 5 | extra-y := head.o vmlinux.lds |
| 6 | EXTRA_AFLAGS := $(KBUILD_CFLAGS) | 6 | asflags-y := $(KBUILD_CFLAGS) |
| 7 | EXTRA_CFLAGS := -Werror -Wno-sign-compare | 7 | ccflags-y := -Werror -Wno-sign-compare |
| 8 | 8 | ||
| 9 | obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \ | 9 | obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \ |
| 10 | irq_alpha.o signal.o setup.o ptrace.o time.o \ | 10 | irq_alpha.o signal.o setup.o ptrace.o time.o \ |
| @@ -44,10 +44,11 @@ static char irq_user_affinity[NR_IRQS]; · 43 unmodified lines | |||
| 44 | 44 | ||
| 45 | int irq_select_affinity(unsigned int irq) | 45 | int irq_select_affinity(unsigned int irq) |
| 46 | { | 46 | { |
| 47 | struct irq_desc *desc = irq_to_desc[irq]; | ||
| 47 | static int last_cpu; | 48 | static int last_cpu; |
| 48 | int cpu = last_cpu + 1; | 49 | int cpu = last_cpu + 1; |
| 49 | 50 | ||
| 50 | if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq]) | 51 | if (!desc || !get_irq_desc_chip(desc)->set_affinity || irq_user_affinity[irq]) |
| 51 | return 1; | 52 | return 1; |
| 52 | 53 | ||
| 53 | while (!cpu_possible(cpu) || | 54 | while (!cpu_possible(cpu) || |
| @@ -55,8 +56,8 @@ int irq_select_affinity(unsigned int irq) · 1 unmodified line | |||
| 55 | cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); | 56 | cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); |
| 56 | last_cpu = cpu; | 57 | last_cpu = cpu; |
| 57 | 58 | ||
| 58 | cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); | 59 | cpumask_copy(desc->affinity, cpumask_of(cpu)); |
| 59 | irq_desc[irq].chip->set_affinity(irq, cpumask_of(cpu)); | 60 | get_irq_desc_chip(desc)->set_affinity(irq, cpumask_of(cpu)); |
| 60 | return 0; | 61 | return 0; |
| 61 | } | 62 | } |
| 62 | #endif /* CONFIG_SMP */ | 63 | #endif /* CONFIG_SMP */ |
| @@ -67,6 +68,7 @@ show_interrupts(struct seq_file *p, void *v) · 4 unmodified lines | |||
| 67 | int j; | 68 | int j; |
| 68 | int irq = *(loff_t *) v; | 69 | int irq = *(loff_t *) v; |
| 69 | struct irqaction * action; | 70 | struct irqaction * action; |
| 71 | struct irq_desc *desc; | ||
| 70 | unsigned long flags; | 72 | unsigned long flags; |
| 71 | 73 | ||
| 72 | #ifdef CONFIG_SMP | 74 | #ifdef CONFIG_SMP |
| @@ -79,8 +81,13 @@ show_interrupts(struct seq_file *p, void *v) · 6 unmodified lines | |||
| 79 | #endif | 81 | #endif |
| 80 | 82 | ||
| 81 | if (irq < ACTUAL_NR_IRQS) { | 83 | if (irq < ACTUAL_NR_IRQS) { |
| 82 | raw_spin_lock_irqsave(&irq_desc[irq].lock, flags); | 84 | desc = irq_to_desc(irq); |
| 83 | action = irq_desc[irq].action; | 85 | |
| 86 | if (!desc) | ||
| 87 | return 0; | ||
| 88 | |||
| 89 | raw_spin_lock_irqsave(&desc->lock, flags); | ||
| 90 | action = desc->action; | ||
| 84 | if (!action) | 91 | if (!action) |
| 85 | goto unlock; | 92 | goto unlock; |
| 86 | seq_printf(p, "%3d: ", irq); | 93 | seq_printf(p, "%3d: ", irq); |
| @@ -90,7 +97,7 @@ show_interrupts(struct seq_file *p, void *v) · 3 unmodified lines | |||
| 90 | for_each_online_cpu(j) | 97 | for_each_online_cpu(j) |
| 91 | seq_printf(p, "%10u ", kstat_irqs_cpu(irq, j)); | 98 | seq_printf(p, "%10u ", kstat_irqs_cpu(irq, j)); |
| 92 | #endif | 99 | #endif |
| 93 | seq_printf(p, " %14s", irq_desc[irq].chip->name); | 100 | seq_printf(p, " %14s", get_irq_desc_chip(desc)->name); |
| 94 | seq_printf(p, " %c%s", | 101 | seq_printf(p, " %c%s", |
| 95 | (action->flags & IRQF_DISABLED)?'+':' ', | 102 | (action->flags & IRQF_DISABLED)?'+':' ', |
| 96 | action->name); | 103 | action->name); |
| @@ -103,7 +110,7 @@ show_interrupts(struct seq_file *p, void *v) · 6 unmodified lines | |||
| 103 | 110 | ||
| 104 | seq_putc(p, '\n'); | 111 | seq_putc(p, '\n'); |
| 105 | unlock: | 112 | unlock: |
| 106 | raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags); | 113 | raw_spin_unlock_irqrestore(&desc->lock, flags); |
| 107 | } else if (irq == ACTUAL_NR_IRQS) { | 114 | } else if (irq == ACTUAL_NR_IRQS) { |
| 108 | #ifdef CONFIG_SMP | 115 | #ifdef CONFIG_SMP |
| 109 | seq_puts(p, "IPI: "); | 116 | seq_puts(p, "IPI: "); |
| @@ -142,8 +149,10 @@ handle_irq(int irq) · 32 unmodified lines | |||
| 142 | * handled by some other CPU. (or is disabled) | 149 | * handled by some other CPU. (or is disabled) |
| 143 | */ | 150 | */ |
| 144 | static unsigned int illegal_count=0; | 151 | static unsigned int illegal_count=0; |
| 152 | struct irq_desc *desc = irq_to_desc(irq); | ||
| 145 | 153 | ||
| 146 | if ((unsigned) irq > ACTUAL_NR_IRQS && illegal_count < MAX_ILLEGAL_IRQS ) { | 154 | if (!desc || ((unsigned) irq > ACTUAL_NR_IRQS && |
| 155 | illegal_count < MAX_ILLEGAL_IRQS)) { | ||
| 147 | irq_err_count++; | 156 | irq_err_count++; |
| 148 | illegal_count++; | 157 | illegal_count++; |
| 149 | printk(KERN_CRIT "device_interrupt: invalid interrupt %d\n", | 158 | printk(KERN_CRIT "device_interrupt: invalid interrupt %d\n", |
| @@ -151,14 +160,14 @@ handle_irq(int irq) · 1 unmodified line | |||
| 151 | return; | 160 | return; |
| 152 | } | 161 | } |
| 153 | 162 | ||
| 154 | irq_enter(); | ||
| 155 | /* | 163 | /* |
| 156 | * __do_IRQ() must be called with IPL_MAX. Note that we do not | 164 | * From here we must proceed with IPL_MAX. Note that we do not |
| 157 | * explicitly enable interrupts afterwards - some MILO PALcode | 165 | * explicitly enable interrupts afterwards - some MILO PALcode |
| 158 | * (namely LX164 one) seems to have severe problems with RTI | 166 | * (namely LX164 one) seems to have severe problems with RTI |
| 159 | * at IPL 0. | 167 | * at IPL 0. |
| 160 | */ | 168 | */ |
| 161 | local_irq_disable(); | 169 | local_irq_disable(); |
| 162 | __do_IRQ(irq); | 170 | irq_enter(); |
| 171 | generic_handle_irq_desc(irq, desc); | ||
| 163 | irq_exit(); | 172 | irq_exit(); |
| 164 | } | 173 | } |
| @@ -112,8 +112,6 @@ init_IRQ(void) · 111 unmodified lines | |||
| 112 | wrent(entInt, 0); | 112 | wrent(entInt, 0); |
| 113 | 113 | ||
| 114 | alpha_mv.init_irq(); | 114 | alpha_mv.init_irq(); |
| 115 | |||
| 116 | init_hw_perf_events(); | ||
| 117 | } | 115 | } |
| 118 | 116 | ||
| 119 | /* | 117 | /* |
| @@ -221,31 +219,23 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr, · 101 unmodified lines | |||
| 221 | * processed by PALcode, and comes in via entInt vector 1. | 219 | * processed by PALcode, and comes in via entInt vector 1. |
| 222 | */ | 220 | */ |
| 223 | 221 | ||
| 224 | static void rtc_enable_disable(unsigned int irq) { } | ||
| 225 | static unsigned int rtc_startup(unsigned int irq) { return 0; } | ||
| 226 | |||
| 227 | struct irqaction timer_irqaction = { | 222 | struct irqaction timer_irqaction = { |
| 228 | .handler = timer_interrupt, | 223 | .handler = timer_interrupt, |
| 229 | .flags = IRQF_DISABLED, | 224 | .flags = IRQF_DISABLED, |
| 230 | .name = "timer", | 225 | .name = "timer", |
| 231 | }; | 226 | }; |
| 232 | 227 | ||
| 233 | static struct irq_chip rtc_irq_type = { | ||
| 234 | .name = "RTC", | ||
| 235 | .startup = rtc_startup, | ||
| 236 | .shutdown = rtc_enable_disable, | ||
| 237 | .enable = rtc_enable_disable, | ||
| 238 | .disable = rtc_enable_disable, | ||
| 239 | .ack = rtc_enable_disable, | ||
| 240 | .end = rtc_enable_disable, | ||
| 241 | }; | ||
| 242 | |||
| 243 | void __init | 228 | void __init |
| 244 | init_rtc_irq(void) | 229 | init_rtc_irq(void) |
| 245 | { | 230 | { |
| 246 | irq_desc[RTC_IRQ].status = IRQ_DISABLED; | 231 | struct irq_desc *desc = irq_to_desc(RTC_IRQ); |
| 247 | irq_desc[RTC_IRQ].chip = &rtc_irq_type; | 232 | |
| 248 | setup_irq(RTC_IRQ, &timer_irqaction); | 233 | if (desc) { |
| 234 | desc->status |= IRQ_DISABLED; | ||
| 235 | set_irq_chip_and_handler_name(RTC_IRQ, &no_irq_chip, | ||
| 236 | handle_simple_irq, "RTC"); | ||
| 237 | setup_irq(RTC_IRQ, &timer_irqaction); | ||
| 238 | } | ||
| 249 | } | 239 | } |
| 250 | 240 | ||
| 251 | /* Dummy irqactions. */ | 241 | /* Dummy irqactions. */ |
| @@ -69,28 +69,11 @@ i8259a_mask_and_ack_irq(unsigned int irq) · 68 unmodified lines | |||
| 69 | spin_unlock(&i8259_irq_lock); | 69 | spin_unlock(&i8259_irq_lock); |
| 70 | } | 70 | } |
| 71 | 71 | ||
| 72 | unsigned int | ||
| 73 | i8259a_startup_irq(unsigned int irq) | ||
| 74 | { | ||
| 75 | i8259a_enable_irq(irq); | ||
| 76 | return 0; /* never anything pending */ | ||
| 77 | } | ||
| 78 | |||
| 79 | void | ||
| 80 | i8259a_end_irq(unsigned int irq) | ||
| 81 | { | ||
| 82 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 83 | i8259a_enable_irq(irq); | ||
| 84 | } | ||
| 85 | |||
| 86 | struct irq_chip i8259a_irq_type = { | 72 | struct irq_chip i8259a_irq_type = { |
| 87 | .name = "XT-PIC", | 73 | .name = "XT-PIC", |
| 88 | .startup = i8259a_startup_irq, | 74 | .unmask = i8259a_enable_irq, |
| 89 | .shutdown = i8259a_disable_irq, | 75 | .mask = i8259a_disable_irq, |
| 90 | .enable = i8259a_enable_irq, | 76 | .mask_ack = i8259a_mask_and_ack_irq, |
| 91 | .disable = i8259a_disable_irq, | ||
| 92 | .ack = i8259a_mask_and_ack_irq, | ||
| 93 | .end = i8259a_end_irq, | ||
| 94 | }; | 77 | }; |
| 95 | 78 | ||
| 96 | void __init | 79 | void __init |
| @@ -107,8 +90,7 @@ init_i8259a_irqs(void) · 10 unmodified lines | |||
| 107 | outb(0xff, 0xA1); /* mask all of 8259A-2 */ | 90 | outb(0xff, 0xA1); /* mask all of 8259A-2 */ |
| 108 | 91 | ||
| 109 | for (i = 0; i < 16; i++) { | 92 | for (i = 0; i < 16; i++) { |
| 110 | irq_desc[i].status = IRQ_DISABLED; | 93 | set_irq_chip_and_handler(i, &i8259a_irq_type, handle_level_irq); |
| 111 | irq_desc[i].chip = &i8259a_irq_type; | ||
| 112 | } | 94 | } |
| 113 | 95 | ||
| 114 | setup_irq(2, &cascade); | 96 | setup_irq(2, &cascade); |
| @@ -40,20 +40,6 @@ pyxis_disable_irq(unsigned int irq) · 39 unmodified lines | |||
| 40 | pyxis_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); | 40 | pyxis_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); |
| 41 | } | 41 | } |
| 42 | 42 | ||
| 43 | static unsigned int | ||
| 44 | pyxis_startup_irq(unsigned int irq) | ||
| 45 | { | ||
| 46 | pyxis_enable_irq(irq); | ||
| 47 | return 0; | ||
| 48 | } | ||
| 49 | |||
| 50 | static void | ||
| 51 | pyxis_end_irq(unsigned int irq) | ||
| 52 | { | ||
| 53 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 54 | pyxis_enable_irq(irq); | ||
| 55 | } | ||
| 56 | |||
| 57 | static void | 43 | static void |
| 58 | pyxis_mask_and_ack_irq(unsigned int irq) | 44 | pyxis_mask_and_ack_irq(unsigned int irq) |
| 59 | { | 45 | { |
| @@ -72,12 +58,9 @@ pyxis_mask_and_ack_irq(unsigned int irq) · 12 unmodified lines | |||
| 72 | 58 | ||
| 73 | static struct irq_chip pyxis_irq_type = { | 59 | static struct irq_chip pyxis_irq_type = { |
| 74 | .name = "PYXIS", | 60 | .name = "PYXIS", |
| 75 | .startup = pyxis_startup_irq, | 61 | .mask_ack = pyxis_mask_and_ack_irq, |
| 76 | .shutdown = pyxis_disable_irq, | 62 | .mask = pyxis_disable_irq, |
| 77 | .enable = pyxis_enable_irq, | 63 | .unmask = pyxis_enable_irq, |
| 78 | .disable = pyxis_disable_irq, | ||
| 79 | .ack = pyxis_mask_and_ack_irq, | ||
| 80 | .end = pyxis_end_irq, | ||
| 81 | }; | 64 | }; |
| 82 | 65 | ||
| 83 | void | 66 | void |
| @@ -119,8 +102,8 @@ init_pyxis_irqs(unsigned long ignore_mask) · 35 unmodified lines | |||
| 119 | for (i = 16; i < 48; ++i) { | 102 | for (i = 16; i < 48; ++i) { |
| 120 | if ((ignore_mask >> i) & 1) | 103 | if ((ignore_mask >> i) & 1) |
| 121 | continue; | 104 | continue; |
| 122 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 105 | set_irq_chip_and_handler(i, &pyxis_irq_type, handle_level_irq); |
| 123 | irq_desc[i].chip = &pyxis_irq_type; | 106 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 124 | } | 107 | } |
| 125 | 108 | ||
| 126 | setup_irq(16+7, &isa_cascade_irqaction); | 109 | setup_irq(16+7, &isa_cascade_irqaction); |
| @@ -33,29 +33,12 @@ srm_disable_irq(unsigned int irq) · 32 unmodified lines | |||
| 33 | spin_unlock(&srm_irq_lock); | 33 | spin_unlock(&srm_irq_lock); |
| 34 | } | 34 | } |
| 35 | 35 | ||
| 36 | static unsigned int | ||
| 37 | srm_startup_irq(unsigned int irq) | ||
| 38 | { | ||
| 39 | srm_enable_irq(irq); | ||
| 40 | return 0; | ||
| 41 | } | ||
| 42 | |||
| 43 | static void | ||
| 44 | srm_end_irq(unsigned int irq) | ||
| 45 | { | ||
| 46 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 47 | srm_enable_irq(irq); | ||
| 48 | } | ||
| 49 | |||
| 50 | /* Handle interrupts from the SRM, assuming no additional weirdness. */ | 36 | /* Handle interrupts from the SRM, assuming no additional weirdness. */ |
| 51 | static struct irq_chip srm_irq_type = { | 37 | static struct irq_chip srm_irq_type = { |
| 52 | .name = "SRM", | 38 | .name = "SRM", |
| 53 | .startup = srm_startup_irq, | 39 | .unmask = srm_enable_irq, |
| 54 | .shutdown = srm_disable_irq, | 40 | .mask = srm_disable_irq, |
| 55 | .enable = srm_enable_irq, | 41 | .mask_ack = srm_disable_irq, |
| 56 | .disable = srm_disable_irq, | ||
| 57 | .ack = srm_disable_irq, | ||
| 58 | .end = srm_end_irq, | ||
| 59 | }; | 42 | }; |
| 60 | 43 | ||
| 61 | void __init | 44 | void __init |
| @@ -68,8 +51,8 @@ init_srm_irqs(long max, unsigned long ignore_mask) · 6 unmodified lines | |||
| 68 | for (i = 16; i < max; ++i) { | 51 | for (i = 16; i < max; ++i) { |
| 69 | if (i < 64 && ((ignore_mask >> i) & 1)) | 52 | if (i < 64 && ((ignore_mask >> i) & 1)) |
| 70 | continue; | 53 | continue; |
| 71 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 54 | set_irq_chip_and_handler(i, &srm_irq_type, handle_level_irq); |
| 72 | irq_desc[i].chip = &srm_irq_type; | 55 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 73 | } | 56 | } |
| 74 | } | 57 | } |
| 75 | 58 | ||
| @@ -951,9 +951,6 @@ SYSCALL_DEFINE2(osf_utimes, const char __user *, filename, · 950 unmodified lines | |||
| 951 | return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0); | 951 | return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0); |
| 952 | } | 952 | } |
| 953 | 953 | ||
| 954 | #define MAX_SELECT_SECONDS \ | ||
| 955 | ((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1) | ||
| 956 | |||
| 957 | SYSCALL_DEFINE5(osf_select, int, n, fd_set __user *, inp, fd_set __user *, outp, | 954 | SYSCALL_DEFINE5(osf_select, int, n, fd_set __user *, inp, fd_set __user *, outp, |
| 958 | fd_set __user *, exp, struct timeval32 __user *, tvp) | 955 | fd_set __user *, exp, struct timeval32 __user *, tvp) |
| 959 | { | 956 | { |
| @@ -14,6 +14,7 @@ · 13 unmodified lines | |||
| 14 | #include <linux/kernel.h> | 14 | #include <linux/kernel.h> |
| 15 | #include <linux/kdebug.h> | 15 | #include <linux/kdebug.h> |
| 16 | #include <linux/mutex.h> | 16 | #include <linux/mutex.h> |
| 17 | #include <linux/init.h> | ||
| 17 | 18 | ||
| 18 | #include <asm/hwrpb.h> | 19 | #include <asm/hwrpb.h> |
| 19 | #include <asm/atomic.h> | 20 | #include <asm/atomic.h> |
| @@ -863,13 +864,13 @@ static void alpha_perf_event_irq_handler(unsigned long la_ptr, · 843 unmodified lines | |||
| 863 | /* | 864 | /* |
| 864 | * Init call to initialise performance events at kernel startup. | 865 | * Init call to initialise performance events at kernel startup. |
| 865 | */ | 866 | */ |
| 866 | void __init init_hw_perf_events(void) | 867 | int __init init_hw_perf_events(void) |
| 867 | { | 868 | { |
| 868 | pr_info("Performance events: "); | 869 | pr_info("Performance events: "); |
| 869 | 870 | ||
| 870 | if (!supported_cpu()) { | 871 | if (!supported_cpu()) { |
| 871 | pr_cont("No support for your CPU.\n"); | 872 | pr_cont("No support for your CPU.\n"); |
| 872 | return; | 873 | return 0; |
| 873 | } | 874 | } |
| 874 | 875 | ||
| 875 | pr_cont("Supported CPU type!\n"); | 876 | pr_cont("Supported CPU type!\n"); |
| @@ -881,6 +882,8 @@ void __init init_hw_perf_events(void) · 5 unmodified lines | |||
| 881 | /* And set up PMU specification */ | 882 | /* And set up PMU specification */ |
| 882 | alpha_pmu = &ev67_pmu; | 883 | alpha_pmu = &ev67_pmu; |
| 883 | 884 | ||
| 884 | perf_pmu_register(&pmu); | 885 | perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); |
| 885 | } | ||
| 886 | 886 | ||
| 887 | return 0; | ||
| 888 | } | ||
| 889 | early_initcall(init_hw_perf_events); | ||
| @@ -65,13 +65,6 @@ alcor_mask_and_ack_irq(unsigned int irq) · 64 unmodified lines | |||
| 65 | *(vuip)GRU_INT_CLEAR = 0; mb(); | 65 | *(vuip)GRU_INT_CLEAR = 0; mb(); |
| 66 | } | 66 | } |
| 67 | 67 | ||
| 68 | static unsigned int | ||
| 69 | alcor_startup_irq(unsigned int irq) | ||
| 70 | { | ||
| 71 | alcor_enable_irq(irq); | ||
| 72 | return 0; | ||
| 73 | } | ||
| 74 | |||
| 75 | static void | 68 | static void |
| 76 | alcor_isa_mask_and_ack_irq(unsigned int irq) | 69 | alcor_isa_mask_and_ack_irq(unsigned int irq) |
| 77 | { | 70 | { |
| @@ -82,21 +75,11 @@ alcor_isa_mask_and_ack_irq(unsigned int irq) · 4 unmodified lines | |||
| 82 | *(vuip)GRU_INT_CLEAR = 0; mb(); | 75 | *(vuip)GRU_INT_CLEAR = 0; mb(); |
| 83 | } | 76 | } |
| 84 | 77 | ||
| 85 | static void | ||
| 86 | alcor_end_irq(unsigned int irq) | ||
| 87 | { | ||
| 88 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 89 | alcor_enable_irq(irq); | ||
| 90 | } | ||
| 91 | |||
| 92 | static struct irq_chip alcor_irq_type = { | 78 | static struct irq_chip alcor_irq_type = { |
| 93 | .name = "ALCOR", | 79 | .name = "ALCOR", |
| 94 | .startup = alcor_startup_irq, | 80 | .unmask = alcor_enable_irq, |
| 95 | .shutdown = alcor_disable_irq, | 81 | .mask = alcor_disable_irq, |
| 96 | .enable = alcor_enable_irq, | 82 | .mask_ack = alcor_mask_and_ack_irq, |
| 97 | .disable = alcor_disable_irq, | ||
| 98 | .ack = alcor_mask_and_ack_irq, | ||
| 99 | .end = alcor_end_irq, | ||
| 100 | }; | 83 | }; |
| 101 | 84 | ||
| 102 | static void | 85 | static void |
| @@ -142,8 +125,8 @@ alcor_init_irq(void) · 39 unmodified lines | |||
| 142 | on while IRQ probing. */ | 125 | on while IRQ probing. */ |
| 143 | if (i >= 16+20 && i <= 16+30) | 126 | if (i >= 16+20 && i <= 16+30) |
| 144 | continue; | 127 | continue; |
| 145 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 128 | set_irq_chip_and_handler(i, &alcor_irq_type, handle_level_irq); |
| 146 | irq_desc[i].chip = &alcor_irq_type; | 129 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 147 | } | 130 | } |
| 148 | i8259a_irq_type.ack = alcor_isa_mask_and_ack_irq; | 131 | i8259a_irq_type.ack = alcor_isa_mask_and_ack_irq; |
| 149 | 132 | ||
| @@ -57,28 +57,11 @@ cabriolet_disable_irq(unsigned int irq) · 56 unmodified lines | |||
| 57 | cabriolet_update_irq_hw(irq, cached_irq_mask |= 1UL << irq); | 57 | cabriolet_update_irq_hw(irq, cached_irq_mask |= 1UL << irq); |
| 58 | } | 58 | } |
| 59 | 59 | ||
| 60 | static unsigned int | ||
| 61 | cabriolet_startup_irq(unsigned int irq) | ||
| 62 | { | ||
| 63 | cabriolet_enable_irq(irq); | ||
| 64 | return 0; /* never anything pending */ | ||
| 65 | } | ||
| 66 | |||
| 67 | static void | ||
| 68 | cabriolet_end_irq(unsigned int irq) | ||
| 69 | { | ||
| 70 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 71 | cabriolet_enable_irq(irq); | ||
| 72 | } | ||
| 73 | |||
| 74 | static struct irq_chip cabriolet_irq_type = { | 60 | static struct irq_chip cabriolet_irq_type = { |
| 75 | .name = "CABRIOLET", | 61 | .name = "CABRIOLET", |
| 76 | .startup = cabriolet_startup_irq, | 62 | .unmask = cabriolet_enable_irq, |
| 77 | .shutdown = cabriolet_disable_irq, | 63 | .mask = cabriolet_disable_irq, |
| 78 | .enable = cabriolet_enable_irq, | 64 | .mask_ack = cabriolet_disable_irq, |
| 79 | .disable = cabriolet_disable_irq, | ||
| 80 | .ack = cabriolet_disable_irq, | ||
| 81 | .end = cabriolet_end_irq, | ||
| 82 | }; | 65 | }; |
| 83 | 66 | ||
| 84 | static void | 67 | static void |
| @@ -122,8 +105,9 @@ common_init_irq(void (*srm_dev_int)(unsigned long v)) · 37 unmodified lines | |||
| 122 | outb(0xff, 0x806); | 105 | outb(0xff, 0x806); |
| 123 | 106 | ||
| 124 | for (i = 16; i < 35; ++i) { | 107 | for (i = 16; i < 35; ++i) { |
| 125 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 108 | set_irq_chip_and_handler(i, &cabriolet_irq_type, |
| 126 | irq_desc[i].chip = &cabriolet_irq_type; | 109 | handle_level_irq); |
| 110 | irq_to_desc(i)->status |= IRQ_LEVEL; | ||
| 127 | } | 111 | } |
| 128 | } | 112 | } |
| 129 | 113 | ||
| @@ -115,20 +115,6 @@ dp264_disable_irq(unsigned int irq) · 114 unmodified lines | |||
| 115 | spin_unlock(&dp264_irq_lock); | 115 | spin_unlock(&dp264_irq_lock); |
| 116 | } | 116 | } |
| 117 | 117 | ||
| 118 | static unsigned int | ||
| 119 | dp264_startup_irq(unsigned int irq) | ||
| 120 | { | ||
| 121 | dp264_enable_irq(irq); | ||
| 122 | return 0; /* never anything pending */ | ||
| 123 | } | ||
| 124 | |||
| 125 | static void | ||
| 126 | dp264_end_irq(unsigned int irq) | ||
| 127 | { | ||
| 128 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 129 | dp264_enable_irq(irq); | ||
| 130 | } | ||
| 131 | |||
| 132 | static void | 118 | static void |
| 133 | clipper_enable_irq(unsigned int irq) | 119 | clipper_enable_irq(unsigned int irq) |
| 134 | { | 120 | { |
| @@ -147,20 +133,6 @@ clipper_disable_irq(unsigned int irq) · 12 unmodified lines | |||
| 147 | spin_unlock(&dp264_irq_lock); | 133 | spin_unlock(&dp264_irq_lock); |
| 148 | } | 134 | } |
| 149 | 135 | ||
| 150 | static unsigned int | ||
| 151 | clipper_startup_irq(unsigned int irq) | ||
| 152 | { | ||
| 153 | clipper_enable_irq(irq); | ||
| 154 | return 0; /* never anything pending */ | ||
| 155 | } | ||
| 156 | |||
| 157 | static void | ||
| 158 | clipper_end_irq(unsigned int irq) | ||
| 159 | { | ||
| 160 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 161 | clipper_enable_irq(irq); | ||
| 162 | } | ||
| 163 | |||
| 164 | static void | 136 | static void |
| 165 | cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) | 137 | cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) |
| 166 | { | 138 | { |
| @@ -200,23 +172,17 @@ clipper_set_affinity(unsigned int irq, const struct cpumask *affinity) · 33 unmodified lines | |||
| 200 | 172 | ||
| 201 | static struct irq_chip dp264_irq_type = { | 173 | static struct irq_chip dp264_irq_type = { |
| 202 | .name = "DP264", | 174 | .name = "DP264", |
| 203 | .startup = dp264_startup_irq, | 175 | .unmask = dp264_enable_irq, |
| 204 | .shutdown = dp264_disable_irq, | 176 | .mask = dp264_disable_irq, |
| 205 | .enable = dp264_enable_irq, | 177 | .mask_ack = dp264_disable_irq, |
| 206 | .disable = dp264_disable_irq, | ||
| 207 | .ack = dp264_disable_irq, | ||
| 208 | .end = dp264_end_irq, | ||
| 209 | .set_affinity = dp264_set_affinity, | 178 | .set_affinity = dp264_set_affinity, |
| 210 | }; | 179 | }; |
| 211 | 180 | ||
| 212 | static struct irq_chip clipper_irq_type = { | 181 | static struct irq_chip clipper_irq_type = { |
| 213 | .name = "CLIPPER", | 182 | .name = "CLIPPER", |
| 214 | .startup = clipper_startup_irq, | 183 | .unmask = clipper_enable_irq, |
| 215 | .shutdown = clipper_disable_irq, | 184 | .mask = clipper_disable_irq, |
| 216 | .enable = clipper_enable_irq, | 185 | .mask_ack = clipper_disable_irq, |
| 217 | .disable = clipper_disable_irq, | ||
| 218 | .ack = clipper_disable_irq, | ||
| 219 | .end = clipper_end_irq, | ||
| 220 | .set_affinity = clipper_set_affinity, | 186 | .set_affinity = clipper_set_affinity, |
| 221 | }; | 187 | }; |
| 222 | 188 | ||
| @@ -302,8 +268,8 @@ init_tsunami_irqs(struct irq_chip * ops, int imin, int imax) · 79 unmodified lines | |||
| 302 | { | 268 | { |
| 303 | long i; | 269 | long i; |
| 304 | for (i = imin; i <= imax; ++i) { | 270 | for (i = imin; i <= imax; ++i) { |
| 305 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 271 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 306 | irq_desc[i].chip = ops; | 272 | set_irq_chip_and_handler(i, ops, handle_level_irq); |
| 307 | } | 273 | } |
| 308 | } | 274 | } |
| 309 | 275 | ||
| @@ -55,28 +55,11 @@ eb64p_disable_irq(unsigned int irq) · 54 unmodified lines | |||
| 55 | eb64p_update_irq_hw(irq, cached_irq_mask |= 1 << irq); | 55 | eb64p_update_irq_hw(irq, cached_irq_mask |= 1 << irq); |
| 56 | } | 56 | } |
| 57 | 57 | ||
| 58 | static unsigned int | ||
| 59 | eb64p_startup_irq(unsigned int irq) | ||
| 60 | { | ||
| 61 | eb64p_enable_irq(irq); | ||
| 62 | return 0; /* never anything pending */ | ||
| 63 | } | ||
| 64 | |||
| 65 | static void | ||
| 66 | eb64p_end_irq(unsigned int irq) | ||
| 67 | { | ||
| 68 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 69 | eb64p_enable_irq(irq); | ||
| 70 | } | ||
| 71 | |||
| 72 | static struct irq_chip eb64p_irq_type = { | 58 | static struct irq_chip eb64p_irq_type = { |
| 73 | .name = "EB64P", | 59 | .name = "EB64P", |
| 74 | .startup = eb64p_startup_irq, | 60 | .unmask = eb64p_enable_irq, |
| 75 | .shutdown = eb64p_disable_irq, | 61 | .mask = eb64p_disable_irq, |
| 76 | .enable = eb64p_enable_irq, | 62 | .mask_ack = eb64p_disable_irq, |
| 77 | .disable = eb64p_disable_irq, | ||
| 78 | .ack = eb64p_disable_irq, | ||
| 79 | .end = eb64p_end_irq, | ||
| 80 | }; | 63 | }; |
| 81 | 64 | ||
| 82 | static void | 65 | static void |
| @@ -135,8 +118,8 @@ eb64p_init_irq(void) · 52 unmodified lines | |||
| 135 | init_i8259a_irqs(); | 118 | init_i8259a_irqs(); |
| 136 | 119 | ||
| 137 | for (i = 16; i < 32; ++i) { | 120 | for (i = 16; i < 32; ++i) { |
| 138 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 121 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 139 | irq_desc[i].chip = &eb64p_irq_type; | 122 | set_irq_chip_and_handler(i, &eb64p_irq_type, handle_level_irq); |
| 140 | } | 123 | } |
| 141 | 124 | ||
| 142 | common_init_isa_dma(); | 125 | common_init_isa_dma(); |
| @@ -66,28 +66,11 @@ eiger_disable_irq(unsigned int irq) · 65 unmodified lines | |||
| 66 | eiger_update_irq_hw(irq, mask); | 66 | eiger_update_irq_hw(irq, mask); |
| 67 | } | 67 | } |
| 68 | 68 | ||
| 69 | static unsigned int | ||
| 70 | eiger_startup_irq(unsigned int irq) | ||
| 71 | { | ||
| 72 | eiger_enable_irq(irq); | ||
| 73 | return 0; /* never anything pending */ | ||
| 74 | } | ||
| 75 | |||
| 76 | static void | ||
| 77 | eiger_end_irq(unsigned int irq) | ||
| 78 | { | ||
| 79 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 80 | eiger_enable_irq(irq); | ||
| 81 | } | ||
| 82 | |||
| 83 | static struct irq_chip eiger_irq_type = { | 69 | static struct irq_chip eiger_irq_type = { |
| 84 | .name = "EIGER", | 70 | .name = "EIGER", |
| 85 | .startup = eiger_startup_irq, | 71 | .unmask = eiger_enable_irq, |
| 86 | .shutdown = eiger_disable_irq, | 72 | .mask = eiger_disable_irq, |
| 87 | .enable = eiger_enable_irq, | 73 | .mask_ack = eiger_disable_irq, |
| 88 | .disable = eiger_disable_irq, | ||
| 89 | .ack = eiger_disable_irq, | ||
| 90 | .end = eiger_end_irq, | ||
| 91 | }; | 74 | }; |
| 92 | 75 | ||
| 93 | static void | 76 | static void |
| @@ -153,8 +136,8 @@ eiger_init_irq(void) · 59 unmodified lines | |||
| 153 | init_i8259a_irqs(); | 136 | init_i8259a_irqs(); |
| 154 | 137 | ||
| 155 | for (i = 16; i < 128; ++i) { | 138 | for (i = 16; i < 128; ++i) { |
| 156 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 139 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 157 | irq_desc[i].chip = &eiger_irq_type; | 140 | set_irq_chip_and_handler(i, &eiger_irq_type, handle_level_irq); |
| 158 | } | 141 | } |
| 159 | } | 142 | } |
| 160 | 143 | ||
| @@ -62,30 +62,6 @@ · 61 unmodified lines | |||
| 62 | * world. | 62 | * world. |
| 63 | */ | 63 | */ |
| 64 | 64 | ||
| 65 | static unsigned int | ||
| 66 | jensen_local_startup(unsigned int irq) | ||
| 67 | { | ||
| 68 | /* the parport is really hw IRQ 1, silly Jensen. */ | ||
| 69 | if (irq == 7) | ||
| 70 | i8259a_startup_irq(1); | ||
| 71 | else | ||
| 72 | /* | ||
| 73 | * For all true local interrupts, set the flag that prevents | ||
| 74 | * the IPL from being dropped during handler processing. | ||
| 75 | */ | ||
| 76 | if (irq_desc[irq].action) | ||
| 77 | irq_desc[irq].action->flags |= IRQF_DISABLED; | ||
| 78 | return 0; | ||
| 79 | } | ||
| 80 | |||
| 81 | static void | ||
| 82 | jensen_local_shutdown(unsigned int irq) | ||
| 83 | { | ||
| 84 | /* the parport is really hw IRQ 1, silly Jensen. */ | ||
| 85 | if (irq == 7) | ||
| 86 | i8259a_disable_irq(1); | ||
| 87 | } | ||
| 88 | |||
| 89 | static void | 65 | static void |
| 90 | jensen_local_enable(unsigned int irq) | 66 | jensen_local_enable(unsigned int irq) |
| 91 | { | 67 | { |
| @@ -103,29 +79,18 @@ jensen_local_disable(unsigned int irq) · 11 unmodified lines | |||
| 103 | } | 79 | } |
| 104 | 80 | ||
| 105 | static void | 81 | static void |
| 106 | jensen_local_ack(unsigned int irq) | 82 | jensen_local_mask_ack(unsigned int irq) |
| 107 | { | 83 | { |
| 108 | /* the parport is really hw IRQ 1, silly Jensen. */ | 84 | /* the parport is really hw IRQ 1, silly Jensen. */ |
| 109 | if (irq == 7) | 85 | if (irq == 7) |
| 110 | i8259a_mask_and_ack_irq(1); | 86 | i8259a_mask_and_ack_irq(1); |
| 111 | } | 87 | } |
| 112 | 88 | ||
| 113 | static void | ||
| 114 | jensen_local_end(unsigned int irq) | ||
| 115 | { | ||
| 116 | /* the parport is really hw IRQ 1, silly Jensen. */ | ||
| 117 | if (irq == 7) | ||
| 118 | i8259a_end_irq(1); | ||
| 119 | } | ||
| 120 | |||
| 121 | static struct irq_chip jensen_local_irq_type = { | 89 | static struct irq_chip jensen_local_irq_type = { |
| 122 | .name = "LOCAL", | 90 | .name = "LOCAL", |
| 123 | .startup = jensen_local_startup, | 91 | .unmask = jensen_local_enable, |
| 124 | .shutdown = jensen_local_shutdown, | 92 | .mask = jensen_local_disable, |
| 125 | .enable = jensen_local_enable, | 93 | .mask_ack = jensen_local_mask_ack, |
| 126 | .disable = jensen_local_disable, | ||
| 127 | .ack = jensen_local_ack, | ||
| 128 | .end = jensen_local_end, | ||
| 129 | }; | 94 | }; |
| 130 | 95 | ||
| 131 | static void | 96 | static void |
| @@ -158,7 +123,7 @@ jensen_device_interrupt(unsigned long vector) · 26 unmodified lines | |||
| 158 | } | 123 | } |
| 159 | 124 | ||
| 160 | /* If there is no handler yet... */ | 125 | /* If there is no handler yet... */ |
| 161 | if (irq_desc[irq].action == NULL) { | 126 | if (!irq_has_action(irq)) { |
| 162 | /* If it is a local interrupt that cannot be masked... */ | 127 | /* If it is a local interrupt that cannot be masked... */ |
| 163 | if (vector >= 0x900) | 128 | if (vector >= 0x900) |
| 164 | { | 129 | { |
| @@ -206,11 +171,11 @@ jensen_init_irq(void) · 41 unmodified lines | |||
| 206 | { | 171 | { |
| 207 | init_i8259a_irqs(); | 172 | init_i8259a_irqs(); |
| 208 | 173 | ||
| 209 | irq_desc[1].chip = &jensen_local_irq_type; | 174 | set_irq_chip_and_handler(1, &jensen_local_irq_type, handle_level_irq); |
| 210 | irq_desc[4].chip = &jensen_local_irq_type; | 175 | set_irq_chip_and_handler(4, &jensen_local_irq_type, handle_level_irq); |
| 211 | irq_desc[3].chip = &jensen_local_irq_type; | 176 | set_irq_chip_and_handler(3, &jensen_local_irq_type, handle_level_irq); |
| 212 | irq_desc[7].chip = &jensen_local_irq_type; | 177 | set_irq_chip_and_handler(7, &jensen_local_irq_type, handle_level_irq); |
| 213 | irq_desc[9].chip = &jensen_local_irq_type; | 178 | set_irq_chip_and_handler(9, &jensen_local_irq_type, handle_level_irq); |
| 214 | 179 | ||
| 215 | common_init_isa_dma(); | 180 | common_init_isa_dma(); |
| 216 | } | 181 | } |
| @@ -143,20 +143,6 @@ io7_disable_irq(unsigned int irq) · 142 unmodified lines | |||
| 143 | spin_unlock(&io7->irq_lock); | 143 | spin_unlock(&io7->irq_lock); |
| 144 | } | 144 | } |
| 145 | 145 | ||
| 146 | static unsigned int | ||
| 147 | io7_startup_irq(unsigned int irq) | ||
| 148 | { | ||
| 149 | io7_enable_irq(irq); | ||
| 150 | return 0; /* never anything pending */ | ||
| 151 | } | ||
| 152 | |||
| 153 | static void | ||
| 154 | io7_end_irq(unsigned int irq) | ||
| 155 | { | ||
| 156 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 157 | io7_enable_irq(irq); | ||
| 158 | } | ||
| 159 | |||
| 160 | static void | 146 | static void |
| 161 | marvel_irq_noop(unsigned int irq) | 147 | marvel_irq_noop(unsigned int irq) |
| 162 | { | 148 | { |
| @@ -171,32 +157,22 @@ marvel_irq_noop_return(unsigned int irq) · 8 unmodified lines | |||
| 171 | 157 | ||
| 172 | static struct irq_chip marvel_legacy_irq_type = { | 158 | static struct irq_chip marvel_legacy_irq_type = { |
| 173 | .name = "LEGACY", | 159 | .name = "LEGACY", |
| 174 | .startup = marvel_irq_noop_return, | 160 | .mask = marvel_irq_noop, |
| 175 | .shutdown = marvel_irq_noop, | 161 | .unmask = marvel_irq_noop, |
| 176 | .enable = marvel_irq_noop, | ||
| 177 | .disable = marvel_irq_noop, | ||
| 178 | .ack = marvel_irq_noop, | ||
| 179 | .end = marvel_irq_noop, | ||
| 180 | }; | 162 | }; |
| 181 | 163 | ||
| 182 | static struct irq_chip io7_lsi_irq_type = { | 164 | static struct irq_chip io7_lsi_irq_type = { |
| 183 | .name = "LSI", | 165 | .name = "LSI", |
| 184 | .startup = io7_startup_irq, | 166 | .unmask = io7_enable_irq, |
| 185 | .shutdown = io7_disable_irq, | 167 | .mask = io7_disable_irq, |
| 186 | .enable = io7_enable_irq, | 168 | .mask_ack = io7_disable_irq, |
| 187 | .disable = io7_disable_irq, | ||
| 188 | .ack = io7_disable_irq, | ||
| 189 | .end = io7_end_irq, | ||
| 190 | }; | 169 | }; |
| 191 | 170 | ||
| 192 | static struct irq_chip io7_msi_irq_type = { | 171 | static struct irq_chip io7_msi_irq_type = { |
| 193 | .name = "MSI", | 172 | .name = "MSI", |
| 194 | .startup = io7_startup_irq, | 173 | .unmask = io7_enable_irq, |
| 195 | .shutdown = io7_disable_irq, | 174 | .mask = io7_disable_irq, |
| 196 | .enable = io7_enable_irq, | ||
| 197 | .disable = io7_disable_irq, | ||
| 198 | .ack = marvel_irq_noop, | 175 | .ack = marvel_irq_noop, |
| 199 | .end = io7_end_irq, | ||
| 200 | }; | 176 | }; |
| 201 | 177 | ||
| 202 | static void | 178 | static void |
| @@ -304,8 +280,8 @@ init_io7_irqs(struct io7 *io7, · 101 unmodified lines | |||
| 304 | 280 | ||
| 305 | /* Set up the lsi irqs. */ | 281 | /* Set up the lsi irqs. */ |
| 306 | for (i = 0; i < 128; ++i) { | 282 | for (i = 0; i < 128; ++i) { |
| 307 | irq_desc[base + i].status = IRQ_DISABLED | IRQ_LEVEL; | 283 | irq_to_desc(base + i)->status |= IRQ_LEVEL; |
| 308 | irq_desc[base + i].chip = lsi_ops; | 284 | set_irq_chip_and_handler(base + i, lsi_ops, handle_level_irq); |
| 309 | } | 285 | } |
| 310 | 286 | ||
| 311 | /* Disable the implemented irqs in hardware. */ | 287 | /* Disable the implemented irqs in hardware. */ |
| @@ -318,8 +294,8 @@ init_io7_irqs(struct io7 *io7, · 6 unmodified lines | |||
| 318 | 294 | ||
| 319 | /* Set up the msi irqs. */ | 295 | /* Set up the msi irqs. */ |
| 320 | for (i = 128; i < (128 + 512); ++i) { | 296 | for (i = 128; i < (128 + 512); ++i) { |
| 321 | irq_desc[base + i].status = IRQ_DISABLED | IRQ_LEVEL; | 297 | irq_to_desc(base + i)->status |= IRQ_LEVEL; |
| 322 | irq_desc[base + i].chip = msi_ops; | 298 | set_irq_chip_and_handler(base + i, msi_ops, handle_level_irq); |
| 323 | } | 299 | } |
| 324 | 300 | ||
| 325 | for (i = 0; i < 16; ++i) | 301 | for (i = 0; i < 16; ++i) |
| @@ -336,8 +312,8 @@ marvel_init_irq(void) · 10 unmodified lines | |||
| 336 | 312 | ||
| 337 | /* Reserve the legacy irqs. */ | 313 | /* Reserve the legacy irqs. */ |
| 338 | for (i = 0; i < 16; ++i) { | 314 | for (i = 0; i < 16; ++i) { |
| 339 | irq_desc[i].status = IRQ_DISABLED; | 315 | set_irq_chip_and_handler(i, &marvel_legacy_irq_type, |
| 340 | irq_desc[i].chip = &marvel_legacy_irq_type; | 316 | handle_level_irq); |
| 341 | } | 317 | } |
| 342 | 318 | ||
| 343 | /* Init the io7 irqs. */ | 319 | /* Init the io7 irqs. */ |
| @@ -54,28 +54,11 @@ mikasa_disable_irq(unsigned int irq) · 53 unmodified lines | |||
| 54 | mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (irq - 16))); | 54 | mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (irq - 16))); |
| 55 | } | 55 | } |
| 56 | 56 | ||
| 57 | static unsigned int | ||
| 58 | mikasa_startup_irq(unsigned int irq) | ||
| 59 | { | ||
| 60 | mikasa_enable_irq(irq); | ||
| 61 | return 0; | ||
| 62 | } | ||
| 63 | |||
| 64 | static void | ||
| 65 | mikasa_end_irq(unsigned int irq) | ||
| 66 | { | ||
| 67 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 68 | mikasa_enable_irq(irq); | ||
| 69 | } | ||
| 70 | |||
| 71 | static struct irq_chip mikasa_irq_type = { | 57 | static struct irq_chip mikasa_irq_type = { |
| 72 | .name = "MIKASA", | 58 | .name = "MIKASA", |
| 73 | .startup = mikasa_startup_irq, | 59 | .unmask = mikasa_enable_irq, |
| 74 | .shutdown = mikasa_disable_irq, | 60 | .mask = mikasa_disable_irq, |
| 75 | .enable = mikasa_enable_irq, | 61 | .mask_ack = mikasa_disable_irq, |
| 76 | .disable = mikasa_disable_irq, | ||
| 77 | .ack = mikasa_disable_irq, | ||
| 78 | .end = mikasa_end_irq, | ||
| 79 | }; | 62 | }; |
| 80 | 63 | ||
| 81 | static void | 64 | static void |
| @@ -115,8 +98,8 @@ mikasa_init_irq(void) · 33 unmodified lines | |||
| 115 | mikasa_update_irq_hw(0); | 98 | mikasa_update_irq_hw(0); |
| 116 | 99 | ||
| 117 | for (i = 16; i < 32; ++i) { | 100 | for (i = 16; i < 32; ++i) { |
| 118 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 101 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 119 | irq_desc[i].chip = &mikasa_irq_type; | 102 | set_irq_chip_and_handler(i, &mikasa_irq_type, handle_level_irq); |
| 120 | } | 103 | } |
| 121 | 104 | ||
| 122 | init_i8259a_irqs(); | 105 | init_i8259a_irqs(); |
| @@ -59,28 +59,11 @@ noritake_disable_irq(unsigned int irq) · 58 unmodified lines | |||
| 59 | noritake_update_irq_hw(irq, cached_irq_mask &= ~(1 << (irq - 16))); | 59 | noritake_update_irq_hw(irq, cached_irq_mask &= ~(1 << (irq - 16))); |
| 60 | } | 60 | } |
| 61 | 61 | ||
| 62 | static unsigned int | ||
| 63 | noritake_startup_irq(unsigned int irq) | ||
| 64 | { | ||
| 65 | noritake_enable_irq(irq); | ||
| 66 | return 0; | ||
| 67 | } | ||
| 68 | |||
| 69 | static void | ||
| 70 | noritake_end_irq(unsigned int irq) | ||
| 71 | { | ||
| 72 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 73 | noritake_enable_irq(irq); | ||
| 74 | } | ||
| 75 | |||
| 76 | static struct irq_chip noritake_irq_type = { | 62 | static struct irq_chip noritake_irq_type = { |
| 77 | .name = "NORITAKE", | 63 | .name = "NORITAKE", |
| 78 | .startup = noritake_startup_irq, | 64 | .unmask = noritake_enable_irq, |
| 79 | .shutdown = noritake_disable_irq, | 65 | .mask = noritake_disable_irq, |
| 80 | .enable = noritake_enable_irq, | 66 | .mask_ack = noritake_disable_irq, |
| 81 | .disable = noritake_disable_irq, | ||
| 82 | .ack = noritake_disable_irq, | ||
| 83 | .end = noritake_end_irq, | ||
| 84 | }; | 67 | }; |
| 85 | 68 | ||
| 86 | static void | 69 | static void |
| @@ -144,8 +127,8 @@ noritake_init_irq(void) · 57 unmodified lines | |||
| 144 | outw(0, 0x54c); | 127 | outw(0, 0x54c); |
| 145 | 128 | ||
| 146 | for (i = 16; i < 48; ++i) { | 129 | for (i = 16; i < 48; ++i) { |
| 147 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 130 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 148 | irq_desc[i].chip = &noritake_irq_type; | 131 | set_irq_chip_and_handler(i, &noritake_irq_type, handle_level_irq); |
| 149 | } | 132 | } |
| 150 | 133 | ||
| 151 | init_i8259a_irqs(); | 134 | init_i8259a_irqs(); |
| @@ -121,28 +121,11 @@ rawhide_mask_and_ack_irq(unsigned int irq) · 120 unmodified lines | |||
| 121 | spin_unlock(&rawhide_irq_lock); | 121 | spin_unlock(&rawhide_irq_lock); |
| 122 | } | 122 | } |
| 123 | 123 | ||
| 124 | static unsigned int | ||
| 125 | rawhide_startup_irq(unsigned int irq) | ||
| 126 | { | ||
| 127 | rawhide_enable_irq(irq); | ||
| 128 | return 0; | ||
| 129 | } | ||
| 130 | |||
| 131 | static void | ||
| 132 | rawhide_end_irq(unsigned int irq) | ||
| 133 | { | ||
| 134 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 135 | rawhide_enable_irq(irq); | ||
| 136 | } | ||
| 137 | |||
| 138 | static struct irq_chip rawhide_irq_type = { | 124 | static struct irq_chip rawhide_irq_type = { |
| 139 | .name = "RAWHIDE", | 125 | .name = "RAWHIDE", |
| 140 | .startup = rawhide_startup_irq, | 126 | .unmask = rawhide_enable_irq, |
| 141 | .shutdown = rawhide_disable_irq, | 127 | .mask = rawhide_disable_irq, |
| 142 | .enable = rawhide_enable_irq, | 128 | .mask_ack = rawhide_mask_and_ack_irq, |
| 143 | .disable = rawhide_disable_irq, | ||
| 144 | .ack = rawhide_mask_and_ack_irq, | ||
| 145 | .end = rawhide_end_irq, | ||
| 146 | }; | 129 | }; |
| 147 | 130 | ||
| 148 | static void | 131 | static void |
| @@ -194,8 +177,8 @@ rawhide_init_irq(void) · 45 unmodified lines | |||
| 194 | } | 177 | } |
| 195 | 178 | ||
| 196 | for (i = 16; i < 128; ++i) { | 179 | for (i = 16; i < 128; ++i) { |
| 197 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 180 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 198 | irq_desc[i].chip = &rawhide_irq_type; | 181 | set_irq_chip_and_handler(i, &rawhide_irq_type, handle_level_irq); |
| 199 | } | 182 | } |
| 200 | 183 | ||
| 201 | init_i8259a_irqs(); | 184 | init_i8259a_irqs(); |
| @@ -58,28 +58,11 @@ rx164_disable_irq(unsigned int irq) · 57 unmodified lines | |||
| 58 | rx164_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); | 58 | rx164_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); |
| 59 | } | 59 | } |
| 60 | 60 | ||
| 61 | static unsigned int | ||
| 62 | rx164_startup_irq(unsigned int irq) | ||
| 63 | { | ||
| 64 | rx164_enable_irq(irq); | ||
| 65 | return 0; | ||
| 66 | } | ||
| 67 | |||
| 68 | static void | ||
| 69 | rx164_end_irq(unsigned int irq) | ||
| 70 | { | ||
| 71 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 72 | rx164_enable_irq(irq); | ||
| 73 | } | ||
| 74 | |||
| 75 | static struct irq_chip rx164_irq_type = { | 61 | static struct irq_chip rx164_irq_type = { |
| 76 | .name = "RX164", | 62 | .name = "RX164", |
| 77 | .startup = rx164_startup_irq, | 63 | .unmask = rx164_enable_irq, |
| 78 | .shutdown = rx164_disable_irq, | 64 | .mask = rx164_disable_irq, |
| 79 | .enable = rx164_enable_irq, | 65 | .mask_ack = rx164_disable_irq, |
| 80 | .disable = rx164_disable_irq, | ||
| 81 | .ack = rx164_disable_irq, | ||
| 82 | .end = rx164_end_irq, | ||
| 83 | }; | 66 | }; |
| 84 | 67 | ||
| 85 | static void | 68 | static void |
| @@ -116,8 +99,8 @@ rx164_init_irq(void) · 30 unmodified lines | |||
| 116 | 99 | ||
| 117 | rx164_update_irq_hw(0); | 100 | rx164_update_irq_hw(0); |
| 118 | for (i = 16; i < 40; ++i) { | 101 | for (i = 16; i < 40; ++i) { |
| 119 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 102 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 120 | irq_desc[i].chip = &rx164_irq_type; | 103 | set_irq_chip_and_handler(i, &rx164_irq_type, handle_level_irq); |
| 121 | } | 104 | } |
| 122 | 105 | ||
| 123 | init_i8259a_irqs(); | 106 | init_i8259a_irqs(); |
| @@ -474,20 +474,6 @@ sable_lynx_disable_irq(unsigned int irq) · 473 unmodified lines | |||
| 474 | #endif | 474 | #endif |
| 475 | } | 475 | } |
| 476 | 476 | ||
| 477 | static unsigned int | ||
| 478 | sable_lynx_startup_irq(unsigned int irq) | ||
| 479 | { | ||
| 480 | sable_lynx_enable_irq(irq); | ||
| 481 | return 0; | ||
| 482 | } | ||
| 483 | |||
| 484 | static void | ||
| 485 | sable_lynx_end_irq(unsigned int irq) | ||
| 486 | { | ||
| 487 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 488 | sable_lynx_enable_irq(irq); | ||
| 489 | } | ||
| 490 | |||
| 491 | static void | 477 | static void |
| 492 | sable_lynx_mask_and_ack_irq(unsigned int irq) | 478 | sable_lynx_mask_and_ack_irq(unsigned int irq) |
| 493 | { | 479 | { |
| @@ -503,12 +489,9 @@ sable_lynx_mask_and_ack_irq(unsigned int irq) · 9 unmodified lines | |||
| 503 | 489 | ||
| 504 | static struct irq_chip sable_lynx_irq_type = { | 490 | static struct irq_chip sable_lynx_irq_type = { |
| 505 | .name = "SABLE/LYNX", | 491 | .name = "SABLE/LYNX", |
| 506 | .startup = sable_lynx_startup_irq, | 492 | .unmask = sable_lynx_enable_irq, |
| 507 | .shutdown = sable_lynx_disable_irq, | 493 | .mask = sable_lynx_disable_irq, |
| 508 | .enable = sable_lynx_enable_irq, | 494 | .mask_ack = sable_lynx_mask_and_ack_irq, |
| 509 | .disable = sable_lynx_disable_irq, | ||
| 510 | .ack = sable_lynx_mask_and_ack_irq, | ||
| 511 | .end = sable_lynx_end_irq, | ||
| 512 | }; | 495 | }; |
| 513 | 496 | ||
| 514 | static void | 497 | static void |
| @@ -535,8 +518,9 @@ sable_lynx_init_irq(int nr_of_irqs) · 20 unmodified lines | |||
| 535 | long i; | 518 | long i; |
| 536 | 519 | ||
| 537 | for (i = 0; i < nr_of_irqs; ++i) { | 520 | for (i = 0; i < nr_of_irqs; ++i) { |
| 538 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 521 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 539 | irq_desc[i].chip = &sable_lynx_irq_type; | 522 | set_irq_chip_and_handler(i, &sable_lynx_irq_type, |
| 523 | handle_level_irq); | ||
| 540 | } | 524 | } |
| 541 | 525 | ||
| 542 | common_init_isa_dma(); | 526 | common_init_isa_dma(); |
| @@ -60,28 +60,11 @@ takara_disable_irq(unsigned int irq) · 59 unmodified lines | |||
| 60 | takara_update_irq_hw(irq, mask); | 60 | takara_update_irq_hw(irq, mask); |
| 61 | } | 61 | } |
| 62 | 62 | ||
| 63 | static unsigned int | ||
| 64 | takara_startup_irq(unsigned int irq) | ||
| 65 | { | ||
| 66 | takara_enable_irq(irq); | ||
| 67 | return 0; /* never anything pending */ | ||
| 68 | } | ||
| 69 | |||
| 70 | static void | ||
| 71 | takara_end_irq(unsigned int irq) | ||
| 72 | { | ||
| 73 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 74 | takara_enable_irq(irq); | ||
| 75 | } | ||
| 76 | |||
| 77 | static struct irq_chip takara_irq_type = { | 63 | static struct irq_chip takara_irq_type = { |
| 78 | .name = "TAKARA", | 64 | .name = "TAKARA", |
| 79 | .startup = takara_startup_irq, | 65 | .unmask = takara_enable_irq, |
| 80 | .shutdown = takara_disable_irq, | 66 | .mask = takara_disable_irq, |
| 81 | .enable = takara_enable_irq, | 67 | .mask_ack = takara_disable_irq, |
| 82 | .disable = takara_disable_irq, | ||
| 83 | .ack = takara_disable_irq, | ||
| 84 | .end = takara_end_irq, | ||
| 85 | }; | 68 | }; |
| 86 | 69 | ||
| 87 | static void | 70 | static void |
| @@ -153,8 +136,8 @@ takara_init_irq(void) · 65 unmodified lines | |||
| 153 | takara_update_irq_hw(i, -1); | 136 | takara_update_irq_hw(i, -1); |
| 154 | 137 | ||
| 155 | for (i = 16; i < 128; ++i) { | 138 | for (i = 16; i < 128; ++i) { |
| 156 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 139 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 157 | irq_desc[i].chip = &takara_irq_type; | 140 | set_irq_chip_and_handler(i, &takara_irq_type, handle_level_irq); |
| 158 | } | 141 | } |
| 159 | 142 | ||
| 160 | common_init_isa_dma(); | 143 | common_init_isa_dma(); |
| @@ -129,20 +129,6 @@ titan_disable_irq(unsigned int irq) · 128 unmodified lines | |||
| 129 | spin_unlock(&titan_irq_lock); | 129 | spin_unlock(&titan_irq_lock); |
| 130 | } | 130 | } |
| 131 | 131 | ||
| 132 | static unsigned int | ||
| 133 | titan_startup_irq(unsigned int irq) | ||
| 134 | { | ||
| 135 | titan_enable_irq(irq); | ||
| 136 | return 0; /* never anything pending */ | ||
| 137 | } | ||
| 138 | |||
| 139 | static void | ||
| 140 | titan_end_irq(unsigned int irq) | ||
| 141 | { | ||
| 142 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 143 | titan_enable_irq(irq); | ||
| 144 | } | ||
| 145 | |||
| 146 | static void | 132 | static void |
| 147 | titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) | 133 | titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) |
| 148 | { | 134 | { |
| @@ -189,20 +175,17 @@ init_titan_irqs(struct irq_chip * ops, int imin, int imax) · 40 unmodified lines | |||
| 189 | { | 175 | { |
| 190 | long i; | 176 | long i; |
| 191 | for (i = imin; i <= imax; ++i) { | 177 | for (i = imin; i <= imax; ++i) { |
| 192 | irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; | 178 | irq_to_desc(i)->status |= IRQ_LEVEL; |
| 193 | irq_desc[i].chip = ops; | 179 | set_irq_chip_and_handler(i, ops, handle_level_irq); |
| 194 | } | 180 | } |
| 195 | } | 181 | } |
| 196 | 182 | ||
| 197 | static struct irq_chip titan_irq_type = { | 183 | static struct irq_chip titan_irq_type = { |
| 198 | .name = "TITAN", | 184 | .name = "TITAN", |
| 199 | .startup = titan_startup_irq, | 185 | .unmask = titan_enable_irq, |
| 200 | .shutdown = titan_disable_irq, | 186 | .mask = titan_disable_irq, |
| 201 | .enable = titan_enable_irq, | 187 | .mask_ack = titan_disable_irq, |
| 202 | .disable = titan_disable_irq, | 188 | .set_affinity = titan_set_irq_affinity, |
| 203 | .ack = titan_disable_irq, | ||
| 204 | .end = titan_end_irq, | ||
| 205 | .set_affinity = titan_set_irq_affinity, | ||
| 206 | }; | 189 | }; |
| 207 | 190 | ||
| 208 | static irqreturn_t | 191 | static irqreturn_t |
| @@ -139,32 +139,11 @@ wildfire_mask_and_ack_irq(unsigned int irq) · 138 unmodified lines | |||
| 139 | spin_unlock(&wildfire_irq_lock); | 139 | spin_unlock(&wildfire_irq_lock); |
| 140 | } | 140 | } |
| 141 | 141 | ||
| 142 | static unsigned int | ||
| 143 | wildfire_startup_irq(unsigned int irq) | ||
| 144 | { | ||
| 145 | wildfire_enable_irq(irq); | ||
| 146 | return 0; /* never anything pending */ | ||
| 147 | } | ||
| 148 | |||
| 149 | static void | ||
| 150 | wildfire_end_irq(unsigned int irq) | ||
| 151 | { | ||
| 152 | #if 0 | ||
| 153 | if (!irq_desc[irq].action) | ||
| 154 | printk("got irq %d\n", irq); | ||
| 155 | #endif | ||
| 156 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
| 157 | wildfire_enable_irq(irq); | ||
| 158 | } | ||
| 159 | |||
| 160 | static struct irq_chip wildfire_irq_type = { | 142 | static struct irq_chip wildfire_irq_type = { |
| 161 | .name = "WILDFIRE", | 143 | .name = "WILDFIRE", |
| 162 | .startup = wildfire_startup_irq, | 144 | .unmask = wildfire_enable_irq, |
| 163 | .shutdown = wildfire_disable_irq, | 145 | .mask = wildfire_disable_irq, |
| 164 | .enable = wildfire_enable_irq, | 146 | .mask_ack = wildfire_mask_and_ack_irq, |
| 165 | .disable = wildfire_disable_irq, | ||
| 166 | .ack = wildfire_mask_and_ack_irq, | ||
| 167 | .end = wildfire_end_irq, | ||
| 168 | }; | 147 | }; |
| 169 | 148 | ||
| 170 | static void __init | 149 | static void __init |
| @@ -198,15 +177,18 @@ wildfire_init_irq_per_pca(int qbbno, int pcano) · 27 unmodified lines | |||
| 198 | for (i = 0; i < 16; ++i) { | 177 | for (i = 0; i < 16; ++i) { |
| 199 | if (i == 2) | 178 | if (i == 2) |
| 200 | continue; | 179 | continue; |
| 201 | irq_desc[i+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; | 180 | irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL; |
| 202 | irq_desc[i+irq_bias].chip = &wildfire_irq_type; | 181 | set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, |
| 182 | handle_level_irq); | ||
| 203 | } | 183 | } |
| 204 | 184 | ||
| 205 | irq_desc[36+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; | 185 | irq_to_desc(36+irq_bias)->status |= IRQ_LEVEL; |
| 206 | irq_desc[36+irq_bias].chip = &wildfire_irq_type; | 186 | set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type, |
| 187 | handle_level_irq); | ||
| 207 | for (i = 40; i < 64; ++i) { | 188 | for (i = 40; i < 64; ++i) { |
| 208 | irq_desc[i+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; | 189 | irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL; |
| 209 | irq_desc[i+irq_bias].chip = &wildfire_irq_type; | 190 | set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, |
| 191 | handle_level_irq); | ||
| 210 | } | 192 | } |
| 211 | 193 | ||
| 212 | setup_irq(32+irq_bias, &isa_enable); | 194 | setup_irq(32+irq_bias, &isa_enable); |
| @@ -506,7 +506,7 @@ set_rtc_mmss(unsigned long nowtime) · 505 unmodified lines | |||
| 506 | CMOS_WRITE(real_seconds,RTC_SECONDS); | 506 | CMOS_WRITE(real_seconds,RTC_SECONDS); |
| 507 | CMOS_WRITE(real_minutes,RTC_MINUTES); | 507 | CMOS_WRITE(real_minutes,RTC_MINUTES); |
| 508 | } else { | 508 | } else { |
| 509 | printk(KERN_WARNING | 509 | printk_once(KERN_NOTICE |
| 510 | "set_rtc_mmss: can't update from %d to %d\n", | 510 | "set_rtc_mmss: can't update from %d to %d\n", |
| 511 | cmos_minutes, real_minutes); | 511 | cmos_minutes, real_minutes); |
| 512 | retval = -1; | 512 | retval = -1; |
| @@ -2,8 +2,8 @@ · 1 unmodified line | |||
| 2 | # Makefile for alpha-specific library files.. | 2 | # Makefile for alpha-specific library files.. |
| 3 | # | 3 | # |
| 4 | 4 | ||
| 5 | EXTRA_AFLAGS := $(KBUILD_CFLAGS) | 5 | asflags-y := $(KBUILD_CFLAGS) |
| 6 | EXTRA_CFLAGS := -Werror | 6 | ccflags-y := -Werror |
| 7 | 7 | ||
| 8 | # Many of these routines have implementations tuned for ev6. | 8 | # Many of these routines have implementations tuned for ev6. |
| 9 | # Choose them iff we're targeting ev6 specifically. | 9 | # Choose them iff we're targeting ev6 specifically. |
| @@ -2,7 +2,7 @@ · 1 unmodified line | |||
| 2 | # Makefile for the FPU instruction emulation. | 2 | # Makefile for the FPU instruction emulation. |
| 3 | # | 3 | # |
| 4 | 4 | ||
| 5 | EXTRA_CFLAGS := -w | 5 | ccflags-y := -w |
| 6 | 6 | ||
| 7 | obj-$(CONFIG_MATHEMU) += math-emu.o | 7 | obj-$(CONFIG_MATHEMU) += math-emu.o |
| 8 | 8 | ||
| @@ -2,7 +2,7 @@ · 1 unmodified line | |||
| 2 | # Makefile for the linux alpha-specific parts of the memory manager. | 2 | # Makefile for the linux alpha-specific parts of the memory manager. |
| 3 | # | 3 | # |
| 4 | 4 | ||
| 5 | EXTRA_CFLAGS := -Werror | 5 | ccflags-y := -Werror |
| 6 | 6 | ||
| 7 | obj-y := init.o fault.o extable.o | 7 | obj-y := init.o fault.o extable.o |
| 8 | 8 | ||
| @@ -1,4 +1,4 @@ | |||
| 1 | EXTRA_CFLAGS := -Werror -Wno-sign-compare | 1 | ccflags-y := -Werror -Wno-sign-compare |
| 2 | 2 | ||
| 3 | obj-$(CONFIG_OPROFILE) += oprofile.o | 3 | obj-$(CONFIG_OPROFILE) += oprofile.o |
| 4 | 4 | ||
| @@ -2,6 +2,7 @@ config ARM · 1 unmodified line | |||
| 2 | bool | 2 | bool |
| 3 | default y | 3 | default y |
| 4 | select HAVE_AOUT | 4 | select HAVE_AOUT |
| 5 | select HAVE_DMA_API_DEBUG | ||
| 5 | select HAVE_IDE | 6 | select HAVE_IDE |
| 6 | select HAVE_MEMBLOCK | 7 | select HAVE_MEMBLOCK |
| 7 | select RTC_LIB | 8 | select RTC_LIB |
| @@ -14,6 +15,7 @@ config ARM · 6 unmodified lines | |||
| 14 | select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) | 15 | select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) |
| 15 | select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) | 16 | select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) |
| 16 | select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) | 17 | select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) |
| 18 | select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL) | ||
| 17 | select HAVE_GENERIC_DMA_COHERENT | 19 | select HAVE_GENERIC_DMA_COHERENT |
| 18 | select HAVE_KERNEL_GZIP | 20 | select HAVE_KERNEL_GZIP |
| 19 | select HAVE_KERNEL_LZO | 21 | select HAVE_KERNEL_LZO |
| @@ -23,6 +25,9 @@ config ARM · 3 unmodified lines | |||
| 23 | select PERF_USE_VMALLOC | 25 | select PERF_USE_VMALLOC |
| 24 | select HAVE_REGS_AND_STACK_ACCESS_API | 26 | select HAVE_REGS_AND_STACK_ACCESS_API |
| 25 | select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7)) | 27 | select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7)) |
| 28 | select HAVE_C_RECORDMCOUNT | ||
| 29 | select HAVE_GENERIC_HARDIRQS | ||
| 30 | select HAVE_SPARSE_IRQ | ||
| 26 | help | 31 | help |
| 27 | The ARM series is a line of low-power-consumption RISC chip designs | 32 | The ARM series is a line of low-power-consumption RISC chip designs |
| 28 | licensed by ARM Ltd and targeted at embedded applications and | 33 | licensed by ARM Ltd and targeted at embedded applications and |
| @@ -34,9 +39,15 @@ config ARM · 5 unmodified lines | |||
| 34 | config HAVE_PWM | 39 | config HAVE_PWM |
| 35 | bool | 40 | bool |
| 36 | 41 | ||
| 42 | config MIGHT_HAVE_PCI | ||
| 43 | bool | ||
| 44 | |||
| 37 | config SYS_SUPPORTS_APM_EMULATION | 45 | config SYS_SUPPORTS_APM_EMULATION |
| 38 | bool | 46 | bool |
| 39 | 47 | ||
| 48 | config HAVE_SCHED_CLOCK | ||
| 49 | bool | ||
| 50 | |||
| 40 | config GENERIC_GPIO | 51 | config GENERIC_GPIO |
| 41 | bool | 52 | bool |
| 42 | 53 | ||
| @@ -88,10 +99,6 @@ config MCA · 45 unmodified lines | |||
| 88 | <file:Documentation/mca.txt> (and especially the web page given | 99 | <file:Documentation/mca.txt> (and especially the web page given |
| 89 | there) before attempting to build an MCA bus kernel. | 100 | there) before attempting to build an MCA bus kernel. |
| 90 | 101 | ||
| 91 | config GENERIC_HARDIRQS | ||
| 92 | bool | ||
| 93 | default y | ||
| 94 | |||
| 95 | config STACKTRACE_SUPPORT | 102 | config STACKTRACE_SUPPORT |
| 96 | bool | 103 | bool |
| 97 | default y | 104 | default y |
| @@ -171,9 +178,6 @@ config FIQ · 73 unmodified lines | |||
| 171 | config ARCH_MTD_XIP | 178 | config ARCH_MTD_XIP |
| 172 | bool | 179 | bool |
| 173 | 180 | ||
| 174 | config GENERIC_HARDIRQS_NO__DO_IRQ | ||
| 175 | def_bool y | ||
| 176 | |||
| 177 | config ARM_L1_CACHE_SHIFT_6 | 181 | config ARM_L1_CACHE_SHIFT_6 |
| 178 | bool | 182 | bool |
| 179 | help | 183 | help |
| @@ -221,7 +225,7 @@ config ARCH_INTEGRATOR · 41 unmodified lines | |||
| 221 | bool "ARM Ltd. Integrator family" | 225 | bool "ARM Ltd. Integrator family" |
| 222 | select ARM_AMBA | 226 | select ARM_AMBA |
| 223 | select ARCH_HAS_CPUFREQ | 227 | select ARCH_HAS_CPUFREQ |
| 224 | select COMMON_CLKDEV | 228 | select CLKDEV_LOOKUP |
| 225 | select ICST | 229 | select ICST |
| 226 | select GENERIC_CLOCKEVENTS | 230 | select GENERIC_CLOCKEVENTS |
| 227 | select PLAT_VERSATILE | 231 | select PLAT_VERSATILE |
| @@ -231,7 +235,8 @@ config ARCH_INTEGRATOR · 3 unmodified lines | |||
| 231 | config ARCH_REALVIEW | 235 | config ARCH_REALVIEW |
| 232 | bool "ARM Ltd. RealView family" | 236 | bool "ARM Ltd. RealView family" |
| 233 | select ARM_AMBA | 237 | select ARM_AMBA |
| 234 | select COMMON_CLKDEV | 238 | select CLKDEV_LOOKUP |
| 239 | select HAVE_SCHED_CLOCK | ||
| 235 | select ICST | 240 | select ICST |
| 236 | select GENERIC_CLOCKEVENTS | 241 | select GENERIC_CLOCKEVENTS |
| 237 | select ARCH_WANT_OPTIONAL_GPIOLIB | 242 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| @@ -245,7 +250,8 @@ config ARCH_VERSATILE · 7 unmodified lines | |||
| 245 | bool "ARM Ltd. Versatile family" | 250 | bool "ARM Ltd. Versatile family" |
| 246 | select ARM_AMBA | 251 | select ARM_AMBA |
| 247 | select ARM_VIC | 252 | select ARM_VIC |
| 248 | select COMMON_CLKDEV | 253 | select CLKDEV_LOOKUP |
| 254 | select HAVE_SCHED_CLOCK | ||
| 249 | select ICST | 255 | select ICST |
| 250 | select GENERIC_CLOCKEVENTS | 256 | select GENERIC_CLOCKEVENTS |
| 251 | select ARCH_WANT_OPTIONAL_GPIOLIB | 257 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| @@ -259,9 +265,10 @@ config ARCH_VEXPRESS · 7 unmodified lines | |||
| 259 | select ARCH_WANT_OPTIONAL_GPIOLIB | 265 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 260 | select ARM_AMBA | 266 | select ARM_AMBA |
| 261 | select ARM_TIMER_SP804 | 267 | select ARM_TIMER_SP804 |
| 262 | select COMMON_CLKDEV | 268 | select CLKDEV_LOOKUP |
| 263 | select GENERIC_CLOCKEVENTS | 269 | select GENERIC_CLOCKEVENTS |
| 264 | select HAVE_CLK | 270 | select HAVE_CLK |
| 271 | select HAVE_SCHED_CLOCK | ||
| 265 | select ICST | 272 | select ICST |
| 266 | select PLAT_VERSATILE | 273 | select PLAT_VERSATILE |
| 267 | help | 274 | help |
| @@ -280,7 +287,7 @@ config ARCH_BCMRING · 12 unmodified lines | |||
| 280 | depends on MMU | 287 | depends on MMU |
| 281 | select CPU_V6 | 288 | select CPU_V6 |
| 282 | select ARM_AMBA | 289 | select ARM_AMBA |
| 283 | select COMMON_CLKDEV | 290 | select CLKDEV_LOOKUP |
| 284 | select GENERIC_CLOCKEVENTS | 291 | select GENERIC_CLOCKEVENTS |
| 285 | select ARCH_WANT_OPTIONAL_GPIOLIB | 292 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 286 | help | 293 | help |
| @@ -298,6 +305,7 @@ config ARCH_CNS3XXX · 11 unmodified lines | |||
| 298 | select CPU_V6 | 305 | select CPU_V6 |
| 299 | select GENERIC_CLOCKEVENTS | 306 | select GENERIC_CLOCKEVENTS |
| 300 | select ARM_GIC | 307 | select ARM_GIC |
| 308 | select MIGHT_HAVE_PCI | ||
| 301 | select PCI_DOMAINS if PCI | 309 | select PCI_DOMAINS if PCI |
| 302 | help | 310 | help |
| 303 | Support for Cavium Networks CNS3XXX platform. | 311 | Support for Cavium Networks CNS3XXX platform. |
| @@ -327,7 +335,7 @@ config ARCH_EP93XX · 23 unmodified lines | |||
| 327 | select CPU_ARM920T | 335 | select CPU_ARM920T |
| 328 | select ARM_AMBA | 336 | select ARM_AMBA |
| 329 | select ARM_VIC | 337 | select ARM_VIC |
| 330 | select COMMON_CLKDEV | 338 | select CLKDEV_LOOKUP |
| 331 | select ARCH_REQUIRE_GPIOLIB | 339 | select ARCH_REQUIRE_GPIOLIB |
| 332 | select ARCH_HAS_HOLES_MEMORYMODEL | 340 | select ARCH_HAS_HOLES_MEMORYMODEL |
| 333 | select ARCH_USES_GETTIMEOFFSET | 341 | select ARCH_USES_GETTIMEOFFSET |
| @@ -347,14 +355,22 @@ config ARCH_MXC · 13 unmodified lines | |||
| 347 | bool "Freescale MXC/iMX-based" | 355 | bool "Freescale MXC/iMX-based" |
| 348 | select GENERIC_CLOCKEVENTS | 356 | select GENERIC_CLOCKEVENTS |
| 349 | select ARCH_REQUIRE_GPIOLIB | 357 | select ARCH_REQUIRE_GPIOLIB |
| 350 | select COMMON_CLKDEV | 358 | select CLKDEV_LOOKUP |
| 351 | help | 359 | help |
| 352 | Support for Freescale MXC/iMX-based family of processors | 360 | Support for Freescale MXC/iMX-based family of processors |
| 353 | 361 | ||
| 362 | config ARCH_MXS | ||
| 363 | bool "Freescale MXS-based" | ||
| 364 | select GENERIC_CLOCKEVENTS | ||
| 365 | select ARCH_REQUIRE_GPIOLIB | ||
| 366 | select CLKDEV_LOOKUP | ||
| 367 | help | ||
| 368 | Support for Freescale MXS-based family of processors | ||
| 369 | |||
| 354 | config ARCH_STMP3XXX | 370 | config ARCH_STMP3XXX |
| 355 | bool "Freescale STMP3xxx" | 371 | bool "Freescale STMP3xxx" |
| 356 | select CPU_ARM926T | 372 | select CPU_ARM926T |
| 357 | select COMMON_CLKDEV | 373 | select CLKDEV_LOOKUP |
| 358 | select ARCH_REQUIRE_GPIOLIB | 374 | select ARCH_REQUIRE_GPIOLIB |
| 359 | select GENERIC_CLOCKEVENTS | 375 | select GENERIC_CLOCKEVENTS |
| 360 | select USB_ARCH_HAS_EHCI | 376 | select USB_ARCH_HAS_EHCI |
| @@ -433,6 +449,8 @@ config ARCH_IXP4XX · 72 unmodified lines | |||
| 433 | select CPU_XSCALE | 449 | select CPU_XSCALE |
| 434 | select GENERIC_GPIO | 450 | select GENERIC_GPIO |
| 435 | select GENERIC_CLOCKEVENTS | 451 | select GENERIC_CLOCKEVENTS |
| 452 | select HAVE_SCHED_CLOCK | ||
| 453 | select MIGHT_HAVE_PCI | ||
| 436 | select DMABOUNCE if PCI | 454 | select DMABOUNCE if PCI |
| 437 | help | 455 | help |
| 438 | Support for Intel's IXP4XX (XScale) family of processors. | 456 | Support for Intel's IXP4XX (XScale) family of processors. |
| @@ -472,7 +490,7 @@ config ARCH_LPC32XX · 33 unmodified lines | |||
| 472 | select HAVE_IDE | 490 | select HAVE_IDE |
| 473 | select ARM_AMBA | 491 | select ARM_AMBA |
| 474 | select USB_ARCH_HAS_OHCI | 492 | select USB_ARCH_HAS_OHCI |
| 475 | select COMMON_CLKDEV | 493 | select CLKDEV_LOOKUP |
| 476 | select GENERIC_TIME | 494 | select GENERIC_TIME |
| 477 | select GENERIC_CLOCKEVENTS | 495 | select GENERIC_CLOCKEVENTS |
| 478 | help | 496 | help |
| @@ -506,8 +524,9 @@ config ARCH_MMP · 27 unmodified lines | |||
| 506 | bool "Marvell PXA168/910/MMP2" | 524 | bool "Marvell PXA168/910/MMP2" |
| 507 | depends on MMU | 525 | depends on MMU |
| 508 | select ARCH_REQUIRE_GPIOLIB | 526 | select ARCH_REQUIRE_GPIOLIB |
| 509 | select COMMON_CLKDEV | 527 | select CLKDEV_LOOKUP |
| 510 | select GENERIC_CLOCKEVENTS | 528 | select GENERIC_CLOCKEVENTS |
| 529 | select HAVE_SCHED_CLOCK | ||
| 511 | select TICK_ONESHOT | 530 | select TICK_ONESHOT |
| 512 | select PLAT_PXA | 531 | select PLAT_PXA |
| 513 | select SPARSE_IRQ | 532 | select SPARSE_IRQ |
| @@ -539,7 +558,7 @@ config ARCH_W90X900 · 25 unmodified lines | |||
| 539 | bool "Nuvoton W90X900 CPU" | 558 | bool "Nuvoton W90X900 CPU" |
| 540 | select CPU_ARM926T | 559 | select CPU_ARM926T |
| 541 | select ARCH_REQUIRE_GPIOLIB | 560 | select ARCH_REQUIRE_GPIOLIB |
| 542 | select COMMON_CLKDEV | 561 | select CLKDEV_LOOKUP |
| 543 | select GENERIC_CLOCKEVENTS | 562 | select GENERIC_CLOCKEVENTS |
| 544 | help | 563 | help |
| 545 | Support for Nuvoton (Winbond logic dept.) ARM9 processor, | 564 | Support for Nuvoton (Winbond logic dept.) ARM9 processor, |
| @@ -553,18 +572,19 @@ config ARCH_W90X900 · 7 unmodified lines | |||
| 553 | config ARCH_NUC93X | 572 | config ARCH_NUC93X |
| 554 | bool "Nuvoton NUC93X CPU" | 573 | bool "Nuvoton NUC93X CPU" |
| 555 | select CPU_ARM926T | 574 | select CPU_ARM926T |
| 556 | select COMMON_CLKDEV | 575 | select CLKDEV_LOOKUP |
| 557 | help | 576 | help |
| 558 | Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a | 577 | Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a |
| 559 | low-power and high performance MPEG-4/JPEG multimedia controller chip. | 578 | low-power and high performance MPEG-4/JPEG multimedia controller chip. |
| 560 | 579 | ||
| 561 | config ARCH_TEGRA | 580 | config ARCH_TEGRA |
| 562 | bool "NVIDIA Tegra" | 581 | bool "NVIDIA Tegra" |
| 582 | select CLKDEV_LOOKUP | ||
| 563 | select GENERIC_TIME | 583 | select GENERIC_TIME |
| 564 | select GENERIC_CLOCKEVENTS | 584 | select GENERIC_CLOCKEVENTS |
| 565 | select GENERIC_GPIO | 585 | select GENERIC_GPIO |
| 566 | select HAVE_CLK | 586 | select HAVE_CLK |
| 567 | select COMMON_CLKDEV | 587 | select HAVE_SCHED_CLOCK |
| 568 | select ARCH_HAS_BARRIERS if CACHE_L2X0 | 588 | select ARCH_HAS_BARRIERS if CACHE_L2X0 |
| 569 | select ARCH_HAS_CPUFREQ | 589 | select ARCH_HAS_CPUFREQ |
| 570 | help | 590 | help |
| @@ -574,7 +594,7 @@ config ARCH_TEGRA · 3 unmodified lines | |||
| 574 | config ARCH_PNX4008 | 594 | config ARCH_PNX4008 |
| 575 | bool "Philips Nexperia PNX4008 Mobile" | 595 | bool "Philips Nexperia PNX4008 Mobile" |
| 576 | select CPU_ARM926T | 596 | select CPU_ARM926T |
| 577 | select COMMON_CLKDEV | 597 | select CLKDEV_LOOKUP |
| 578 | select ARCH_USES_GETTIMEOFFSET | 598 | select ARCH_USES_GETTIMEOFFSET |
| 579 | help | 599 | help |
| 580 | This enables support for Philips PNX4008 mobile platform. | 600 | This enables support for Philips PNX4008 mobile platform. |
| @@ -584,9 +604,10 @@ config ARCH_PXA · 3 unmodified lines | |||
| 584 | depends on MMU | 604 | depends on MMU |
| 585 | select ARCH_MTD_XIP | 605 | select ARCH_MTD_XIP |
| 586 | select ARCH_HAS_CPUFREQ | 606 | select ARCH_HAS_CPUFREQ |
| 587 | select COMMON_CLKDEV | 607 | select CLKDEV_LOOKUP |
| 588 | select ARCH_REQUIRE_GPIOLIB | 608 | select ARCH_REQUIRE_GPIOLIB |
| 589 | select GENERIC_CLOCKEVENTS | 609 | select GENERIC_CLOCKEVENTS |
| 610 | select HAVE_SCHED_CLOCK | ||
| 590 | select TICK_ONESHOT | 611 | select TICK_ONESHOT |
| 591 | select PLAT_PXA | 612 | select PLAT_PXA |
| 592 | select SPARSE_IRQ | 613 | select SPARSE_IRQ |
| @@ -606,9 +627,15 @@ config ARCH_MSM · 13 unmodified lines | |||
| 606 | (clock and power control, etc). | 627 | (clock and power control, etc). |
| 607 | 628 | ||
| 608 | config ARCH_SHMOBILE | 629 | config ARCH_SHMOBILE |
| 609 | bool "Renesas SH-Mobile" | 630 | bool "Renesas SH-Mobile / R-Mobile" |
| 631 | select HAVE_CLK | ||
| 632 | select CLKDEV_LOOKUP | ||
| 633 | select GENERIC_CLOCKEVENTS | ||
| 634 | select NO_IOPORT | ||
| 635 | select SPARSE_IRQ | ||
| 636 | select MULTI_IRQ_HANDLER | ||
| 610 | help | 637 | help |
| 611 | Support for Renesas's SH-Mobile ARM platforms | 638 | Support for Renesas's SH-Mobile and R-Mobile ARM platforms. |
| 612 | 639 | ||
| 613 | config ARCH_RPC | 640 | config ARCH_RPC |
| 614 | bool "RiscPC" | 641 | bool "RiscPC" |
| @@ -635,6 +662,7 @@ config ARCH_SA1100 · 20 unmodified lines | |||
| 635 | select CPU_FREQ | 662 | select CPU_FREQ |
| 636 | select GENERIC_CLOCKEVENTS | 663 | select GENERIC_CLOCKEVENTS |
| 637 | select HAVE_CLK | 664 | select HAVE_CLK |
| 665 | select HAVE_SCHED_CLOCK | ||
| 638 | select TICK_ONESHOT | 666 | select TICK_ONESHOT |
| 639 | select ARCH_REQUIRE_GPIOLIB | 667 | select ARCH_REQUIRE_GPIOLIB |
| 640 | help | 668 | help |
| @@ -738,6 +766,7 @@ config ARCH_S5PV310 · 97 unmodified lines | |||
| 738 | select ARCH_SPARSEMEM_ENABLE | 766 | select ARCH_SPARSEMEM_ENABLE |
| 739 | select GENERIC_GPIO | 767 | select GENERIC_GPIO |
| 740 | select HAVE_CLK | 768 | select HAVE_CLK |
| 769 | select ARCH_HAS_CPUFREQ | ||
| 741 | select GENERIC_CLOCKEVENTS | 770 | select GENERIC_CLOCKEVENTS |
| 742 | select HAVE_S3C_RTC if RTC_CLASS | 771 | select HAVE_S3C_RTC if RTC_CLASS |
| 743 | select HAVE_S3C2410_I2C if I2C | 772 | select HAVE_S3C2410_I2C if I2C |
| @@ -761,7 +790,7 @@ config ARCH_TCC_926 · 17 unmodified lines | |||
| 761 | bool "Telechips TCC ARM926-based systems" | 790 | bool "Telechips TCC ARM926-based systems" |
| 762 | select CPU_ARM926T | 791 | select CPU_ARM926T |
| 763 | select HAVE_CLK | 792 | select HAVE_CLK |
| 764 | select COMMON_CLKDEV | 793 | select CLKDEV_LOOKUP |
| 765 | select GENERIC_CLOCKEVENTS | 794 | select GENERIC_CLOCKEVENTS |
| 766 | help | 795 | help |
| 767 | Support for Telechips TCC ARM926-based systems. | 796 | Support for Telechips TCC ARM926-based systems. |
| @@ -781,11 +810,12 @@ config ARCH_U300 · 13 unmodified lines | |||
| 781 | bool "ST-Ericsson U300 Series" | 810 | bool "ST-Ericsson U300 Series" |
| 782 | depends on MMU | 811 | depends on MMU |
| 783 | select CPU_ARM926T | 812 | select CPU_ARM926T |
| 813 | select HAVE_SCHED_CLOCK | ||
| 784 | select HAVE_TCM | 814 | select HAVE_TCM |
| 785 | select ARM_AMBA | 815 | select ARM_AMBA |
| 786 | select ARM_VIC | 816 | select ARM_VIC |
| 787 | select GENERIC_CLOCKEVENTS | 817 | select GENERIC_CLOCKEVENTS |
| 788 | select COMMON_CLKDEV | 818 | select CLKDEV_LOOKUP |
| 789 | select GENERIC_GPIO | 819 | select GENERIC_GPIO |
| 790 | help | 820 | help |
| 791 | Support for ST-Ericsson U300 series mobile platforms. | 821 | Support for ST-Ericsson U300 series mobile platforms. |
| @@ -795,8 +825,9 @@ config ARCH_U8500 · 3 unmodified lines | |||
| 795 | select CPU_V7 | 825 | select CPU_V7 |
| 796 | select ARM_AMBA | 826 | select ARM_AMBA |
| 797 | select GENERIC_CLOCKEVENTS | 827 | select GENERIC_CLOCKEVENTS |
| 798 | select COMMON_CLKDEV | 828 | select CLKDEV_LOOKUP |
| 799 | select ARCH_REQUIRE_GPIOLIB | 829 | select ARCH_REQUIRE_GPIOLIB |
| 830 | select ARCH_HAS_CPUFREQ | ||
| 800 | help | 831 | help |
| 801 | Support for ST-Ericsson's Ux500 architecture | 832 | Support for ST-Ericsson's Ux500 architecture |
| 802 | 833 | ||
| @@ -805,7 +836,7 @@ config ARCH_NOMADIK · 2 unmodified lines | |||
| 805 | select ARM_AMBA | 836 | select ARM_AMBA |
| 806 | select ARM_VIC | 837 | select ARM_VIC |
| 807 | select CPU_ARM926T | 838 | select CPU_ARM926T |
| 808 | select COMMON_CLKDEV | 839 | select CLKDEV_LOOKUP |
| 809 | select GENERIC_CLOCKEVENTS | 840 | select GENERIC_CLOCKEVENTS |
| 810 | select ARCH_REQUIRE_GPIOLIB | 841 | select ARCH_REQUIRE_GPIOLIB |
| 811 | help | 842 | help |
| @@ -817,7 +848,7 @@ config ARCH_DAVINCI · 5 unmodified lines | |||
| 817 | select ARCH_REQUIRE_GPIOLIB | 848 | select ARCH_REQUIRE_GPIOLIB |
| 818 | select ZONE_DMA | 849 | select ZONE_DMA |
| 819 | select HAVE_IDE | 850 | select HAVE_IDE |
| 820 | select COMMON_CLKDEV | 851 | select CLKDEV_LOOKUP |
| 821 | select GENERIC_ALLOCATOR | 852 | select GENERIC_ALLOCATOR |
| 822 | select ARCH_HAS_HOLES_MEMORYMODEL | 853 | select ARCH_HAS_HOLES_MEMORYMODEL |
| 823 | help | 854 | help |
| @@ -829,6 +860,7 @@ config ARCH_OMAP · 5 unmodified lines | |||
| 829 | select ARCH_REQUIRE_GPIOLIB | 860 | select ARCH_REQUIRE_GPIOLIB |
| 830 | select ARCH_HAS_CPUFREQ | 861 | select ARCH_HAS_CPUFREQ |
| 831 | select GENERIC_CLOCKEVENTS | 862 | select GENERIC_CLOCKEVENTS |
| 863 | select HAVE_SCHED_CLOCK | ||
| 832 | select ARCH_HAS_HOLES_MEMORYMODEL | 864 | select ARCH_HAS_HOLES_MEMORYMODEL |
| 833 | help | 865 | help |
| 834 | Support for TI's OMAP platform (OMAP1/2/3/4). | 866 | Support for TI's OMAP platform (OMAP1/2/3/4). |
| @@ -837,7 +869,7 @@ config PLAT_SPEAR · 2 unmodified lines | |||
| 837 | bool "ST SPEAr" | 869 | bool "ST SPEAr" |
| 838 | select ARM_AMBA | 870 | select ARM_AMBA |
| 839 | select ARCH_REQUIRE_GPIOLIB | 871 | select ARCH_REQUIRE_GPIOLIB |
| 840 | select COMMON_CLKDEV | 872 | select CLKDEV_LOOKUP |
| 841 | select GENERIC_CLOCKEVENTS | 873 | select GENERIC_CLOCKEVENTS |
| 842 | select HAVE_CLK | 874 | select HAVE_CLK |
| 843 | help | 875 | help |
| @@ -902,6 +934,8 @@ source "arch/arm/mach-mv78xx0/Kconfig" · 58 unmodified lines | |||
| 902 | 934 | ||
| 903 | source "arch/arm/plat-mxc/Kconfig" | 935 | source "arch/arm/plat-mxc/Kconfig" |
| 904 | 936 | ||
| 937 | source "arch/arm/mach-mxs/Kconfig" | ||
| 938 | |||
| 905 | source "arch/arm/mach-netx/Kconfig" | 939 | source "arch/arm/mach-netx/Kconfig" |
| 906 | 940 | ||
| 907 | source "arch/arm/mach-nomadik/Kconfig" | 941 | source "arch/arm/mach-nomadik/Kconfig" |
| @@ -982,9 +1016,11 @@ config ARCH_ACORN · 74 unmodified lines | |||
| 982 | config PLAT_IOP | 1016 | config PLAT_IOP |
| 983 | bool | 1017 | bool |
| 984 | select GENERIC_CLOCKEVENTS | 1018 | select GENERIC_CLOCKEVENTS |
| 1019 | select HAVE_SCHED_CLOCK | ||
| 985 | 1020 | ||
| 986 | config PLAT_ORION | 1021 | config PLAT_ORION |
| 987 | bool | 1022 | bool |
| 1023 | select HAVE_SCHED_CLOCK | ||
| 988 | 1024 | ||
| 989 | config PLAT_PXA | 1025 | config PLAT_PXA |
| 990 | bool | 1026 | bool |
| @@ -999,8 +1035,8 @@ source arch/arm/mm/Kconfig · 8 unmodified lines | |||
| 999 | 1035 | ||
| 1000 | config IWMMXT | 1036 | config IWMMXT |
| 1001 | bool "Enable iWMMXt support" | 1037 | bool "Enable iWMMXt support" |
| 1002 | depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK | 1038 | depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 |
| 1003 | default y if PXA27x || PXA3xx || ARCH_MMP | 1039 | default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP |
| 1004 | help | 1040 | help |
| 1005 | Enable support for iWMMXt context switching at run time if | 1041 | Enable support for iWMMXt context switching at run time if |
| 1006 | running on a CPU that supports it. | 1042 | running on a CPU that supports it. |
| @@ -1017,6 +1053,11 @@ config CPU_HAS_PMU · 10 unmodified lines | |||
| 1017 | default y | 1053 | default y |
| 1018 | bool | 1054 | bool |
| 1019 | 1055 | ||
| 1056 | config MULTI_IRQ_HANDLER | ||
| 1057 | bool | ||
| 1058 | help | ||
| 1059 | Allow each machine to specify it's own IRQ handler at run time. | ||
| 1060 | |||
| 1020 | if !MMU | 1061 | if !MMU |
| 1021 | source "arch/arm/Kconfig-nommu" | 1062 | source "arch/arm/Kconfig-nommu" |
| 1022 | endif | 1063 | endif |
| @@ -1136,6 +1177,31 @@ config ARM_ERRATA_743622 · 113 unmodified lines | |||
| 1136 | visible impact on the overall performance or power consumption of the | 1177 | visible impact on the overall performance or power consumption of the |
| 1137 | processor. | 1178 | processor. |
| 1138 | 1179 | ||
| 1180 | config ARM_ERRATA_751472 | ||
| 1181 | bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" | ||
| 1182 | depends on CPU_V7 && SMP | ||
| 1183 | help | ||
| 1184 | This option enables the workaround for the 751472 Cortex-A9 (prior | ||
| 1185 | to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the | ||
| 1186 | completion of a following broadcasted operation if the second | ||
| 1187 | operation is received by a CPU before the ICIALLUIS has completed, | ||
| 1188 | potentially leading to corrupted entries in the cache or TLB. | ||
| 1189 | |||
| 1190 | config ARM_ERRATA_753970 | ||
| 1191 | bool "ARM errata: cache sync operation may be faulty" | ||
| 1192 | depends on CACHE_PL310 | ||
| 1193 | help | ||
| 1194 | This option enables the workaround for the 753970 PL310 (r3p0) erratum. | ||
| 1195 | |||
| 1196 | Under some condition the effect of cache sync operation on | ||
| 1197 | the store buffer still remains when the operation completes. | ||
| 1198 | This means that the store buffer is always asked to drain and | ||
| 1199 | this prevents it from merging any further writes. The workaround | ||
| 1200 | is to replace the normal offset of cache sync operation (0x730) | ||
| 1201 | by another offset targeting an unmapped PL310 register 0x740. | ||
| 1202 | This has the same effect as the cache sync operation: store buffer | ||
| 1203 | drain and waiting for all buffers empty. | ||
| 1204 | |||
| 1139 | endmenu | 1205 | endmenu |
| 1140 | 1206 | ||
| 1141 | source "arch/arm/common/Kconfig" | 1207 | source "arch/arm/common/Kconfig" |
| @@ -1164,7 +1230,7 @@ config ISA_DMA_API · 22 unmodified lines | |||
| 1164 | bool | 1230 | bool |
| 1165 | 1231 | ||
| 1166 | config PCI | 1232 | config PCI |
| 1167 | bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX | 1233 | bool "PCI support" if MIGHT_HAVE_PCI |
| 1168 | help | 1234 | help |
| 1169 | Find out whether you have a PCI motherboard. PCI is the name of a | 1235 | Find out whether you have a PCI motherboard. PCI is the name of a |
| 1170 | bus system, i.e. the way the CPU talks to the other stuff inside | 1236 | bus system, i.e. the way the CPU talks to the other stuff inside |
| @@ -1175,6 +1241,12 @@ config PCI_DOMAINS · 4 unmodified lines | |||
| 1175 | bool | 1241 | bool |
| 1176 | depends on PCI | 1242 | depends on PCI |
| 1177 | 1243 | ||
| 1244 | config PCI_NANOENGINE | ||
| 1245 | bool "BSE nanoEngine PCI support" | ||
| 1246 | depends on SA1100_NANOENGINE | ||
| 1247 | help | ||
| 1248 | Enable PCI on the BSE nanoEngine board. | ||
| 1249 | |||
| 1178 | config PCI_SYSCALL | 1250 | config PCI_SYSCALL |
| 1179 | def_bool PCI | 1251 | def_bool PCI |
| 1180 | 1252 | ||
| @@ -1205,10 +1277,11 @@ config SMP · 24 unmodified lines | |||
| 1205 | depends on EXPERIMENTAL | 1277 | depends on EXPERIMENTAL |
| 1206 | depends on GENERIC_CLOCKEVENTS | 1278 | depends on GENERIC_CLOCKEVENTS |
| 1207 | depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ | 1279 | depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ |
| 1208 | MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\ | 1280 | MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ |
| 1209 | ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 | 1281 | ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \ |
| 1282 | ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE | ||
| 1210 | select USE_GENERIC_SMP_HELPERS | 1283 | select USE_GENERIC_SMP_HELPERS |
| 1211 | select HAVE_ARM_SCU | 1284 | select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP |
| 1212 | help | 1285 | help |
| 1213 | This enables support for systems with more than one CPU. If you have | 1286 | This enables support for systems with more than one CPU. If you have |
| 1214 | a system with only one CPU, like most personal computers, say N. If | 1287 | a system with only one CPU, like most personal computers, say N. If |
| @@ -1229,7 +1302,7 @@ config SMP · 14 unmodified lines | |||
| 1229 | config SMP_ON_UP | 1302 | config SMP_ON_UP |
| 1230 | bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" | 1303 | bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" |
| 1231 | depends on EXPERIMENTAL | 1304 | depends on EXPERIMENTAL |
| 1232 | depends on SMP && !XIP && !THUMB2_KERNEL | 1305 | depends on SMP && !XIP_KERNEL |
| 1233 | default y | 1306 | default y |
| 1234 | help | 1307 | help |
| 1235 | SMP kernels contain instructions which fail on non-SMP processors. | 1308 | SMP kernels contain instructions which fail on non-SMP processors. |
| @@ -1248,6 +1321,7 @@ config HAVE_ARM_SCU · 12 unmodified lines | |||
| 1248 | config HAVE_ARM_TWD | 1321 | config HAVE_ARM_TWD |
| 1249 | bool | 1322 | bool |
| 1250 | depends on SMP | 1323 | depends on SMP |
| 1324 | select TICK_ONESHOT | ||
| 1251 | help | 1325 | help |
| 1252 | This options enables support for the ARM timer and watchdog unit | 1326 | This options enables support for the ARM timer and watchdog unit |
| 1253 | 1327 | ||
| @@ -1283,6 +1357,7 @@ config NR_CPUS · 29 unmodified lines | |||
| 1283 | config HOTPLUG_CPU | 1357 | config HOTPLUG_CPU |
| 1284 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | 1358 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" |
| 1285 | depends on SMP && HOTPLUG && EXPERIMENTAL | 1359 | depends on SMP && HOTPLUG && EXPERIMENTAL |
| 1360 | depends on !ARCH_MSM | ||
| 1286 | help | 1361 | help |
| 1287 | Say Y here to experiment with turning CPUs off and on. CPUs | 1362 | Say Y here to experiment with turning CPUs off and on. CPUs |
| 1288 | can be controlled through /sys/devices/system/cpu. | 1363 | can be controlled through /sys/devices/system/cpu. |
| @@ -1291,7 +1366,7 @@ config LOCAL_TIMERS · 2 unmodified lines | |||
| 1291 | bool "Use local timer interrupts" | 1366 | bool "Use local timer interrupts" |
| 1292 | depends on SMP | 1367 | depends on SMP |
| 1293 | default y | 1368 | default y |
| 1294 | select HAVE_ARM_TWD | 1369 | select HAVE_ARM_TWD if !ARCH_MSM_SCORPIONMP |
| 1295 | help | 1370 | help |
| 1296 | Enable support for local timers on SMP platforms, rather then the | 1371 | Enable support for local timers on SMP platforms, rather then the |
| 1297 | legacy IPI broadcast method. Local timers allows the system | 1372 | legacy IPI broadcast method. Local timers allows the system |
| @@ -1310,7 +1385,7 @@ config HZ · 12 unmodified lines | |||
| 1310 | default 100 | 1385 | default 100 |
| 1311 | 1386 | ||
| 1312 | config THUMB2_KERNEL | 1387 | config THUMB2_KERNEL |
| 1313 | bool "Compile the kernel in Thumb-2 mode" | 1388 | bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)" |
| 1314 | depends on CPU_V7 && !CPU_V6 && EXPERIMENTAL | 1389 | depends on CPU_V7 && !CPU_V6 && EXPERIMENTAL |
| 1315 | select AEABI | 1390 | select AEABI |
| 1316 | select ARM_ASM_UNIFIED | 1391 | select ARM_ASM_UNIFIED |
| @@ -1341,7 +1416,7 @@ config AEABI · 24 unmodified lines | |||
| 1341 | 1416 | ||
| 1342 | config OABI_COMPAT | 1417 | config OABI_COMPAT |
| 1343 | bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" | 1418 | bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" |
| 1344 | depends on AEABI && EXPERIMENTAL | 1419 | depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL |
| 1345 | default y | 1420 | default y |
| 1346 | help | 1421 | help |
| 1347 | This option preserves the old syscall interface along with the | 1422 | This option preserves the old syscall interface along with the |
| @@ -1398,15 +1473,6 @@ config HW_PERF_EVENTS · 50 unmodified lines | |||
| 1398 | Enable hardware performance counter support for perf events. If | 1473 | Enable hardware performance counter support for perf events. If |
| 1399 | disabled, perf events will use software events only. | 1474 | disabled, perf events will use software events only. |
| 1400 | 1475 | ||
| 1401 | config SPARSE_IRQ | ||
| 1402 | def_bool n | ||
| 1403 | help | ||
| 1404 | This enables support for sparse irqs. This is useful in general | ||
| 1405 | as most CPUs have a fairly sparse array of IRQ vectors, which | ||
| 1406 | the irq_desc then maps directly on to. Systems with a high | ||
| 1407 | number of off-chip IRQs will want to treat this as | ||
| 1408 | experimental until they have been independently verified. | ||
| 1409 | |||
| 1410 | source "mm/Kconfig" | 1476 | source "mm/Kconfig" |
| 1411 | 1477 | ||
| 1412 | config FORCE_MAX_ZONEORDER | 1478 | config FORCE_MAX_ZONEORDER |
| @@ -1524,6 +1590,7 @@ config SECCOMP · 111 unmodified lines | |||
| 1524 | 1590 | ||
| 1525 | config CC_STACKPROTECTOR | 1591 | config CC_STACKPROTECTOR |
| 1526 | bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" | 1592 | bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" |
| 1593 | depends on EXPERIMENTAL | ||
| 1527 | help | 1594 | help |
| 1528 | This option turns on the -fstack-protector GCC feature. This | 1595 | This option turns on the -fstack-protector GCC feature. This |
| 1529 | feature puts, at the beginning of functions, a canary value on | 1596 | feature puts, at the beginning of functions, a canary value on |
| @@ -1650,6 +1717,19 @@ config ATAGS_PROC · 120 unmodified lines | |||
| 1650 | Should the atags used to boot the kernel be exported in an "atags" | 1717 | Should the atags used to boot the kernel be exported in an "atags" |
| 1651 | file in procfs. Useful with kexec. | 1718 | file in procfs. Useful with kexec. |
| 1652 | 1719 | ||
| 1720 | config CRASH_DUMP | ||
| 1721 | bool "Build kdump crash kernel (EXPERIMENTAL)" | ||
| 1722 | depends on EXPERIMENTAL | ||
| 1723 | help | ||
| 1724 | Generate crash dump after being started by kexec. This should | ||
| 1725 | be normally only set in special crash dump kernels which are | ||
| 1726 | loaded in the main kernel with kexec-tools into a specially | ||
| 1727 | reserved region and then later executed after a crash by | ||
| 1728 | kdump/kexec. The crash dump kernel must be compiled to a | ||
| 1729 | memory address not used by the main kernel | ||
| 1730 | |||
| 1731 | For more details see Documentation/kdump/kdump.txt | ||
| 1732 | |||
| 1653 | config AUTO_ZRELADDR | 1733 | config AUTO_ZRELADDR |
| 1654 | bool "Auto calculation of the decompressed kernel image address" | 1734 | bool "Auto calculation of the decompressed kernel image address" |
| 1655 | depends on !ZBOOT_ROM && !ARCH_U300 | 1735 | depends on !ZBOOT_ROM && !ARCH_U300 |
| @@ -1707,7 +1787,7 @@ config CPU_FREQ_S3C · 51 unmodified lines | |||
| 1707 | Internal configuration node for common cpufreq on Samsung SoC | 1787 | Internal configuration node for common cpufreq on Samsung SoC |
| 1708 | 1788 | ||
| 1709 | config CPU_FREQ_S3C24XX | 1789 | config CPU_FREQ_S3C24XX |
| 1710 | bool "CPUfreq driver for Samsung S3C24XX series CPUs" | 1790 | bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" |
| 1711 | depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL | 1791 | depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL |
| 1712 | select CPU_FREQ_S3C | 1792 | select CPU_FREQ_S3C |
| 1713 | help | 1793 | help |
| @@ -1719,7 +1799,7 @@ config CPU_FREQ_S3C24XX · 5 unmodified lines | |||
| 1719 | If in doubt, say N. | 1799 | If in doubt, say N. |
| 1720 | 1800 | ||
| 1721 | config CPU_FREQ_S3C24XX_PLL | 1801 | config CPU_FREQ_S3C24XX_PLL |
| 1722 | bool "Support CPUfreq changing of PLL frequency" | 1802 | bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" |
| 1723 | depends on CPU_FREQ_S3C24XX && EXPERIMENTAL | 1803 | depends on CPU_FREQ_S3C24XX && EXPERIMENTAL |
| 1724 | help | 1804 | help |
| 1725 | Compile in support for changing the PLL frequency from the | 1805 | Compile in support for changing the PLL frequency from the |
| @@ -23,7 +23,7 @@ config STRICT_DEVMEM · 22 unmodified lines | |||
| 23 | config FRAME_POINTER | 23 | config FRAME_POINTER |
| 24 | bool | 24 | bool |
| 25 | depends on !THUMB2_KERNEL | 25 | depends on !THUMB2_KERNEL |
| 26 | default y if !ARM_UNWIND | 26 | default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER |
| 27 | help | 27 | help |
| 28 | If you say N here, the resulting kernel will be slightly smaller and | 28 | If you say N here, the resulting kernel will be slightly smaller and |
| 29 | faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, | 29 | faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, |
| @@ -31,7 +31,7 @@ config FRAME_POINTER · 1 unmodified line | |||
| 31 | reported is severely limited. | 31 | reported is severely limited. |
| 32 | 32 | ||
| 33 | config ARM_UNWIND | 33 | config ARM_UNWIND |
| 34 | bool "Enable stack unwinding support" | 34 | bool "Enable stack unwinding support (EXPERIMENTAL)" |
| 35 | depends on AEABI && EXPERIMENTAL | 35 | depends on AEABI && EXPERIMENTAL |
| 36 | default y | 36 | default y |
| 37 | help | 37 | help |
| @@ -15,7 +15,7 @@ ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) · 14 unmodified lines | |||
| 15 | LDFLAGS_vmlinux += --be8 | 15 | LDFLAGS_vmlinux += --be8 |
| 16 | endif | 16 | endif |
| 17 | 17 | ||
| 18 | OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S | 18 | OBJCOPYFLAGS :=-O binary -R .comment -S |
| 19 | GZFLAGS :=-9 | 19 | GZFLAGS :=-9 |
| 20 | #KBUILD_CFLAGS +=-pipe | 20 | #KBUILD_CFLAGS +=-pipe |
| 21 | # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: | 21 | # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: |
| @@ -154,10 +154,11 @@ machine-$(CONFIG_ARCH_MSM) := msm · 132 unmodified lines | |||
| 154 | machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 | 154 | machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 |
| 155 | machine-$(CONFIG_ARCH_MX1) := imx | 155 | machine-$(CONFIG_ARCH_MX1) := imx |
| 156 | machine-$(CONFIG_ARCH_MX2) := imx | 156 | machine-$(CONFIG_ARCH_MX2) := imx |
| 157 | machine-$(CONFIG_ARCH_MX25) := mx25 | 157 | machine-$(CONFIG_ARCH_MX25) := imx |
| 158 | machine-$(CONFIG_ARCH_MX3) := mx3 | 158 | machine-$(CONFIG_ARCH_MX3) := mx3 |
| 159 | machine-$(CONFIG_ARCH_MX5) := mx5 | 159 | machine-$(CONFIG_ARCH_MX5) := mx5 |
| 160 | machine-$(CONFIG_ARCH_MXC91231) := mxc91231 | 160 | machine-$(CONFIG_ARCH_MXC91231) := mxc91231 |
| 161 | machine-$(CONFIG_ARCH_MXS) := mxs | ||
| 161 | machine-$(CONFIG_ARCH_NETX) := netx | 162 | machine-$(CONFIG_ARCH_NETX) := netx |
| 162 | machine-$(CONFIG_ARCH_NOMADIK) := nomadik | 163 | machine-$(CONFIG_ARCH_NOMADIK) := nomadik |
| 163 | machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx | 164 | machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx |
| @@ -1,3 +1,7 @@ | |||
| 1 | font.c | 1 | font.c |
| 2 | piggy.gz | 2 | lib1funcs.S |
| 3 | piggy.gzip | ||
| 4 | piggy.lzo | ||
| 5 | piggy.lzma | ||
| 6 | vmlinux | ||
| 3 | vmlinux.lds | 7 | vmlinux.lds |
| @@ -45,6 +45,10 @@ else · 44 unmodified lines | |||
| 45 | endif | 45 | endif |
| 46 | endif | 46 | endif |
| 47 | 47 | ||
| 48 | ifeq ($(CONFIG_ARCH_SHMOBILE),y) | ||
| 49 | OBJS += head-shmobile.o | ||
| 50 | endif | ||
| 51 | |||
| 48 | # | 52 | # |
| 49 | # We now have a PIC decompressor implementation. Decompressors running | 53 | # We now have a PIC decompressor implementation. Decompressors running |
| 50 | # from RAM should not define ZTEXTADDR. Decompressors running directly | 54 | # from RAM should not define ZTEXTADDR. Decompressors running directly |
| @@ -0,0 +1,53 @@ | |||
| 1 | /* | ||
| 2 | * The head-file for SH-Mobile ARM platforms | ||
| 3 | * | ||
| 4 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | ||
| 5 | * Simon Horman <horms@verge.net.au> | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU General Public License as published by | ||
| 9 | * the Free Software Foundation; version 2 of the License. | ||
| 10 | * | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with this program; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #ifdef CONFIG_ZBOOT_ROM | ||
| 22 | |||
| 23 | .section ".start", "ax" | ||
| 24 | |||
| 25 | /* load board-specific initialization code */ | ||
| 26 | #include <mach/zboot.h> | ||
| 27 | |||
| 28 | b 1f | ||
| 29 | __atags:@ tag #1 | ||
| 30 | .long 12 @ tag->hdr.size = tag_size(tag_core); | ||
| 31 | .long 0x54410001 @ tag->hdr.tag = ATAG_CORE; | ||
| 32 | .long 0 @ tag->u.core.flags = 0; | ||
| 33 | .long 0 @ tag->u.core.pagesize = 0; | ||
| 34 | .long 0 @ tag->u.core.rootdev = 0; | ||
| 35 | @ tag #2 | ||
| 36 | .long 8 @ tag->hdr.size = tag_size(tag_mem32); | ||
| 37 | .long 0x54410002 @ tag->hdr.tag = ATAG_MEM; | ||
| 38 | .long CONFIG_MEMORY_SIZE @ tag->u.mem.size = CONFIG_MEMORY_SIZE; | ||
| 39 | .long CONFIG_MEMORY_START @ @ tag->u.mem.start = CONFIG_MEMORY_START; | ||
| 40 | @ tag #3 | ||
| 41 | .long 0 @ tag->hdr.size = 0 | ||
| 42 | .long 0 @ tag->hdr.tag = ATAG_NONE; | ||
| 43 | 1: | ||
| 44 | |||
| 45 | /* Set board ID necessary for boot */ | ||
| 46 | ldr r7, 1f @ Set machine type register | ||
| 47 | adr r8, __atags @ Set atag register | ||
| 48 | b 2f | ||
| 49 | |||
| 50 | 1 : .long MACH_TYPE | ||
| 51 | 2 : | ||
| 52 | |||
| 53 | #endif /* CONFIG_ZBOOT_ROM */ | ||
| @@ -37,7 +37,3 @@ config SHARP_PARAM · 36 unmodified lines | |||
| 37 | 37 | ||
| 38 | config SHARP_SCOOP | 38 | config SHARP_SCOOP |
| 39 | bool | 39 | bool |
| 40 | |||
| 41 | config COMMON_CLKDEV | ||
| 42 | bool | ||
| 43 | select HAVE_CLK | ||
| @@ -17,3 +17,4 @@ obj-$(CONFIG_ARCH_IXP2000) += uengine.o · 16 unmodified lines | |||
| 17 | obj-$(CONFIG_ARCH_IXP23XX) += uengine.o | 17 | obj-$(CONFIG_ARCH_IXP23XX) += uengine.o |
| 18 | obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o | 18 | obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o |
| 19 | obj-$(CONFIG_COMMON_CLKDEV) += clkdev.o | 19 | obj-$(CONFIG_COMMON_CLKDEV) += clkdev.o |
| 20 | obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o | ||
| @@ -328,7 +328,7 @@ static inline void unmap_single(struct device *dev, dma_addr_t dma_addr, · 327 unmodified lines | |||
| 328 | * substitute the safe buffer for the unsafe one. | 328 | * substitute the safe buffer for the unsafe one. |
| 329 | * (basically move the buffer from an unsafe area to a safe one) | 329 | * (basically move the buffer from an unsafe area to a safe one) |
| 330 | */ | 330 | */ |
| 331 | dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, | 331 | dma_addr_t __dma_map_single(struct device *dev, void *ptr, size_t size, |
| 332 | enum dma_data_direction dir) | 332 | enum dma_data_direction dir) |
| 333 | { | 333 | { |
| 334 | dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", | 334 | dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", |
| @@ -338,7 +338,7 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, · 3 unmodified lines | |||
| 338 | 338 | ||
| 339 | return map_single(dev, ptr, size, dir); | 339 | return map_single(dev, ptr, size, dir); |
| 340 | } | 340 | } |
| 341 | EXPORT_SYMBOL(dma_map_single); | 341 | EXPORT_SYMBOL(__dma_map_single); |
| 342 | 342 | ||
| 343 | /* | 343 | /* |
| 344 | * see if a mapped address was really a "safe" buffer and if so, copy | 344 | * see if a mapped address was really a "safe" buffer and if so, copy |
| @@ -346,7 +346,7 @@ EXPORT_SYMBOL(dma_map_single); · 1 unmodified line | |||
| 346 | * the safe buffer. (basically return things back to the way they | 346 | * the safe buffer. (basically return things back to the way they |
| 347 | * should be) | 347 | * should be) |
| 348 | */ | 348 | */ |
| 349 | void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, | 349 | void __dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, |
| 350 | enum dma_data_direction dir) | 350 | enum dma_data_direction dir) |
| 351 | { | 351 | { |
| 352 | dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", | 352 | dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", |
| @@ -354,9 +354,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, · 1 unmodified line | |||
| 354 | 354 | ||
| 355 | unmap_single(dev, dma_addr, size, dir); | 355 | unmap_single(dev, dma_addr, size, dir); |
| 356 | } | 356 | } |
| 357 | EXPORT_SYMBOL(dma_unmap_single); | 357 | EXPORT_SYMBOL(__dma_unmap_single); |
| 358 | 358 | ||
| 359 | dma_addr_t dma_map_page(struct device *dev, struct page *page, | 359 | dma_addr_t __dma_map_page(struct device *dev, struct page *page, |
| 360 | unsigned long offset, size_t size, enum dma_data_direction dir) | 360 | unsigned long offset, size_t size, enum dma_data_direction dir) |
| 361 | { | 361 | { |
| 362 | dev_dbg(dev, "%s(page=%p,off=%#lx,size=%zx,dir=%x)\n", | 362 | dev_dbg(dev, "%s(page=%p,off=%#lx,size=%zx,dir=%x)\n", |
| @@ -372,7 +372,7 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page, · 9 unmodified lines | |||
| 372 | 372 | ||
| 373 | return map_single(dev, page_address(page) + offset, size, dir); | 373 | return map_single(dev, page_address(page) + offset, size, dir); |
| 374 | } | 374 | } |
| 375 | EXPORT_SYMBOL(dma_map_page); | 375 | EXPORT_SYMBOL(__dma_map_page); |
| 376 | 376 | ||
| 377 | /* | 377 | /* |
| 378 | * see if a mapped address was really a "safe" buffer and if so, copy | 378 | * see if a mapped address was really a "safe" buffer and if so, copy |
| @@ -380,7 +380,7 @@ EXPORT_SYMBOL(dma_map_page); · 1 unmodified line | |||
| 380 | * the safe buffer. (basically return things back to the way they | 380 | * the safe buffer. (basically return things back to the way they |
| 381 | * should be) | 381 | * should be) |
| 382 | */ | 382 | */ |
| 383 | void dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, | 383 | void __dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, |
| 384 | enum dma_data_direction dir) | 384 | enum dma_data_direction dir) |
| 385 | { | 385 | { |
| 386 | dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", | 386 | dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", |
| @@ -388,7 +388,7 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, · 1 unmodified line | |||
| 388 | 388 | ||
| 389 | unmap_single(dev, dma_addr, size, dir); | 389 | unmap_single(dev, dma_addr, size, dir); |
| 390 | } | 390 | } |
| 391 | EXPORT_SYMBOL(dma_unmap_page); | 391 | EXPORT_SYMBOL(__dma_unmap_page); |
| 392 | 392 | ||
| 393 | int dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr, | 393 | int dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr, |
| 394 | unsigned long off, size_t sz, enum dma_data_direction dir) | 394 | unsigned long off, size_t sz, enum dma_data_direction dir) |
| @@ -35,6 +35,9 @@ · 34 unmodified lines | |||
| 35 | 35 | ||
| 36 | static DEFINE_SPINLOCK(irq_controller_lock); | 36 | static DEFINE_SPINLOCK(irq_controller_lock); |
| 37 | 37 | ||
| 38 | /* Address of GIC 0 CPU interface */ | ||
| 39 | void __iomem *gic_cpu_base_addr __read_mostly; | ||
| 40 | |||
| 38 | struct gic_chip_data { | 41 | struct gic_chip_data { |
| 39 | unsigned int irq_offset; | 42 | unsigned int irq_offset; |
| 40 | void __iomem *dist_base; | 43 | void __iomem *dist_base; |
| @@ -45,59 +48,58 @@ struct gic_chip_data { · 4 unmodified lines | |||
| 45 | #define MAX_GIC_NR 1 | 48 | #define MAX_GIC_NR 1 |
| 46 | #endif | 49 | #endif |
| 47 | 50 | ||
| 48 | static struct gic_chip_data gic_data[MAX_GIC_NR]; | 51 | static struct gic_chip_data gic_data[MAX_GIC_NR] __read_mostly; |
| 49 | 52 | ||
| 50 | static inline void __iomem *gic_dist_base(unsigned int irq) | 53 | static inline void __iomem *gic_dist_base(struct irq_data *d) |
| 51 | { | 54 | { |
| 52 | struct gic_chip_data *gic_data = get_irq_chip_data(irq); | 55 | struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d); |
| 53 | return gic_data->dist_base; | 56 | return gic_data->dist_base; |
| 54 | } | 57 | } |
| 55 | 58 | ||
| 56 | static inline void __iomem *gic_cpu_base(unsigned int irq) | 59 | static inline void __iomem *gic_cpu_base(struct irq_data *d) |
| 57 | { | 60 | { |
| 58 | struct gic_chip_data *gic_data = get_irq_chip_data(irq); | 61 | struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d); |
| 59 | return gic_data->cpu_base; | 62 | return gic_data->cpu_base; |
| 60 | } | 63 | } |
| 61 | 64 | ||
| 62 | static inline unsigned int gic_irq(unsigned int irq) | 65 | static inline unsigned int gic_irq(struct irq_data *d) |
| 63 | { | 66 | { |
| 64 | struct gic_chip_data *gic_data = get_irq_chip_data(irq); | 67 | struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d); |
| 65 | return irq - gic_data->irq_offset; | 68 | return d->irq - gic_data->irq_offset; |
| 66 | } | 69 | } |
| 67 | 70 | ||
| 68 | /* | 71 | /* |
| 69 | * Routines to acknowledge, disable and enable interrupts | 72 | * Routines to acknowledge, disable and enable interrupts |
| 70 | */ | 73 | */ |
| 71 | static void gic_ack_irq(unsigned int irq) | 74 | static void gic_ack_irq(struct irq_data *d) |
| 72 | { | 75 | { |
| 73 | |||
| 74 | spin_lock(&irq_controller_lock); | 76 | spin_lock(&irq_controller_lock); |
| 75 | writel(gic_irq(irq), gic_cpu_base(irq) + GIC_CPU_EOI); | 77 | writel(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI); |
| 76 | spin_unlock(&irq_controller_lock); | 78 | spin_unlock(&irq_controller_lock); |
| 77 | } | 79 | } |
| 78 | 80 | ||
| 79 | static void gic_mask_irq(unsigned int irq) | 81 | static void gic_mask_irq(struct irq_data *d) |
| 80 | { | 82 | { |
| 81 | u32 mask = 1 << (irq % 32); | 83 | u32 mask = 1 << (d->irq % 32); |
| 82 | 84 | ||
| 83 | spin_lock(&irq_controller_lock); | 85 | spin_lock(&irq_controller_lock); |
| 84 | writel(mask, gic_dist_base(irq) + GIC_DIST_ENABLE_CLEAR + (gic_irq(irq) / 32) * 4); | 86 | writel(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4); |
| 85 | spin_unlock(&irq_controller_lock); | 87 | spin_unlock(&irq_controller_lock); |
| 86 | } | 88 | } |
| 87 | 89 | ||
| 88 | static void gic_unmask_irq(unsigned int irq) | 90 | static void gic_unmask_irq(struct irq_data *d) |
| 89 | { | 91 | { |
| 90 | u32 mask = 1 << (irq % 32); | 92 | u32 mask = 1 << (d->irq % 32); |
| 91 | 93 | ||
| 92 | spin_lock(&irq_controller_lock); | 94 | spin_lock(&irq_controller_lock); |
| 93 | writel(mask, gic_dist_base(irq) + GIC_DIST_ENABLE_SET + (gic_irq(irq) / 32) * 4); | 95 | writel(mask, gic_dist_base(d) + GIC_DIST_ENABLE_SET + (gic_irq(d) / 32) * 4); |
| 94 | spin_unlock(&irq_controller_lock); | 96 | spin_unlock(&irq_controller_lock); |
| 95 | } | 97 | } |
| 96 | 98 | ||
| 97 | static int gic_set_type(unsigned int irq, unsigned int type) | 99 | static int gic_set_type(struct irq_data *d, unsigned int type) |
| 98 | { | 100 | { |
| 99 | void __iomem *base = gic_dist_base(irq); | 101 | void __iomem *base = gic_dist_base(d); |
| 100 | unsigned int gicirq = gic_irq(irq); | 102 | unsigned int gicirq = gic_irq(d); |
| 101 | u32 enablemask = 1 << (gicirq % 32); | 103 | u32 enablemask = 1 << (gicirq % 32); |
| 102 | u32 enableoff = (gicirq / 32) * 4; | 104 | u32 enableoff = (gicirq / 32) * 4; |
| 103 | u32 confmask = 0x2 << ((gicirq % 16) * 2); | 105 | u32 confmask = 0x2 << ((gicirq % 16) * 2); |
| @@ -140,21 +142,22 @@ static int gic_set_type(unsigned int irq, unsigned int type) · 36 unmodified lines | |||
| 140 | } | 142 | } |
| 141 | 143 | ||
| 142 | #ifdef CONFIG_SMP | 144 | #ifdef CONFIG_SMP |
| 143 | static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val) | 145 | static int |
| 146 | gic_set_cpu(struct irq_data *d, const struct cpumask *mask_val, bool force) | ||
| 144 | { | 147 | { |
| 145 | void __iomem *reg = gic_dist_base(irq) + GIC_DIST_TARGET + (gic_irq(irq) & ~3); | 148 | void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3); |
| 146 | unsigned int shift = (irq % 4) * 8; | 149 | unsigned int shift = (d->irq % 4) * 8; |
| 147 | unsigned int cpu = cpumask_first(mask_val); | 150 | unsigned int cpu = cpumask_first(mask_val); |
| 148 | u32 val; | 151 | u32 val; |
| 149 | struct irq_desc *desc; | 152 | struct irq_desc *desc; |
| 150 | 153 | ||
| 151 | spin_lock(&irq_controller_lock); | 154 | spin_lock(&irq_controller_lock); |
| 152 | desc = irq_to_desc(irq); | 155 | desc = irq_to_desc(d->irq); |
| 153 | if (desc == NULL) { | 156 | if (desc == NULL) { |
| 154 | spin_unlock(&irq_controller_lock); | 157 | spin_unlock(&irq_controller_lock); |
| 155 | return -EINVAL; | 158 | return -EINVAL; |
| 156 | } | 159 | } |
| 157 | desc->node = cpu; | 160 | d->node = cpu; |
| 158 | val = readl(reg) & ~(0xff << shift); | 161 | val = readl(reg) & ~(0xff << shift); |
| 159 | val |= 1 << (cpu + shift); | 162 | val |= 1 << (cpu + shift); |
| 160 | writel(val, reg); | 163 | writel(val, reg); |
| @@ -172,7 +175,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) · 11 unmodified lines | |||
| 172 | unsigned long status; | 175 | unsigned long status; |
| 173 | 176 | ||
| 174 | /* primary controller ack'ing */ | 177 | /* primary controller ack'ing */ |
| 175 | chip->ack(irq); | 178 | chip->irq_ack(&desc->irq_data); |
| 176 | 179 | ||
| 177 | spin_lock(&irq_controller_lock); | 180 | spin_lock(&irq_controller_lock); |
| 178 | status = readl(chip_data->cpu_base + GIC_CPU_INTACK); | 181 | status = readl(chip_data->cpu_base + GIC_CPU_INTACK); |
| @@ -190,17 +193,17 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) · 11 unmodified lines | |||
| 190 | 193 | ||
| 191 | out: | 194 | out: |
| 192 | /* primary controller unmasking */ | 195 | /* primary controller unmasking */ |
| 193 | chip->unmask(irq); | 196 | chip->irq_unmask(&desc->irq_data); |
| 194 | } | 197 | } |
| 195 | 198 | ||
| 196 | static struct irq_chip gic_chip = { | 199 | static struct irq_chip gic_chip = { |
| 197 | .name = "GIC", | 200 | .name = "GIC", |
| 198 | .ack = gic_ack_irq, | 201 | .irq_ack = gic_ack_irq, |
| 199 | .mask = gic_mask_irq, | 202 | .irq_mask = gic_mask_irq, |
| 200 | .unmask = gic_unmask_irq, | 203 | .irq_unmask = gic_unmask_irq, |
| 201 | .set_type = gic_set_type, | 204 | .irq_set_type = gic_set_type, |
| 202 | #ifdef CONFIG_SMP | 205 | #ifdef CONFIG_SMP |
| 203 | .set_affinity = gic_set_cpu, | 206 | .irq_set_affinity = gic_set_cpu, |
| 204 | #endif | 207 | #endif |
| 205 | }; | 208 | }; |
| 206 | 209 | ||
| @@ -213,21 +216,16 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq) · 6 unmodified lines | |||
| 213 | set_irq_chained_handler(irq, gic_handle_cascade_irq); | 216 | set_irq_chained_handler(irq, gic_handle_cascade_irq); |
| 214 | } | 217 | } |
| 215 | 218 | ||
| 216 | void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, | 219 | static void __init gic_dist_init(struct gic_chip_data *gic, |
| 217 | unsigned int irq_start) | 220 | unsigned int irq_start) |
| 218 | { | 221 | { |
| 219 | unsigned int gic_irqs, irq_limit, i; | 222 | unsigned int gic_irqs, irq_limit, i; |
| 223 | void __iomem *base = gic->dist_base; | ||
| 220 | u32 cpumask = 1 << smp_processor_id(); | 224 | u32 cpumask = 1 << smp_processor_id(); |
| 221 | 225 | ||
| 222 | if (gic_nr >= MAX_GIC_NR) | ||
| 223 | BUG(); | ||
| 224 | |||
| 225 | cpumask |= cpumask << 8; | 226 | cpumask |= cpumask << 8; |
| 226 | cpumask |= cpumask << 16; | 227 | cpumask |= cpumask << 16; |
| 227 | 228 | ||
| 228 | gic_data[gic_nr].dist_base = base; | ||
| 229 | gic_data[gic_nr].irq_offset = (irq_start - 1) & ~31; | ||
| 230 | |||
| 231 | writel(0, base + GIC_DIST_CTRL); | 229 | writel(0, base + GIC_DIST_CTRL); |
| 232 | 230 | ||
| 233 | /* | 231 | /* |
| @@ -267,7 +265,7 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, · 33 unmodified lines | |||
| 267 | /* | 265 | /* |
| 268 | * Limit number of interrupts registered to the platform maximum | 266 | * Limit number of interrupts registered to the platform maximum |
| 269 | */ | 267 | */ |
| 270 | irq_limit = gic_data[gic_nr].irq_offset + gic_irqs; | 268 | irq_limit = gic->irq_offset + gic_irqs; |
| 271 | if (WARN_ON(irq_limit > NR_IRQS)) | 269 | if (WARN_ON(irq_limit > NR_IRQS)) |
| 272 | irq_limit = NR_IRQS; | 270 | irq_limit = NR_IRQS; |
| 273 | 271 | ||
| @@ -276,7 +274,7 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, · 2 unmodified lines | |||
| 276 | */ | 274 | */ |
| 277 | for (i = irq_start; i < irq_limit; i++) { | 275 | for (i = irq_start; i < irq_limit; i++) { |
| 278 | set_irq_chip(i, &gic_chip); | 276 | set_irq_chip(i, &gic_chip); |
| 279 | set_irq_chip_data(i, &gic_data[gic_nr]); | 277 | set_irq_chip_data(i, gic); |
| 280 | set_irq_handler(i, handle_level_irq); | 278 | set_irq_handler(i, handle_level_irq); |
| 281 | set_irq_flags(i, IRQF_VALID | IRQF_PROBE); | 279 | set_irq_flags(i, IRQF_VALID | IRQF_PROBE); |
| 282 | } | 280 | } |
| @@ -284,19 +282,12 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, · 1 unmodified line | |||
| 284 | writel(1, base + GIC_DIST_CTRL); | 282 | writel(1, base + GIC_DIST_CTRL); |
| 285 | } | 283 | } |
| 286 | 284 | ||
| 287 | void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base) | 285 | static void __cpuinit gic_cpu_init(struct gic_chip_data *gic) |
| 288 | { | 286 | { |
| 289 | void __iomem *dist_base; | 287 | void __iomem *dist_base = gic->dist_base; |
| 288 | void __iomem *base = gic->cpu_base; | ||
| 290 | int i; | 289 | int i; |
| 291 | 290 | ||
| 292 | if (gic_nr >= MAX_GIC_NR) | ||
| 293 | BUG(); | ||
| 294 | |||
| 295 | dist_base = gic_data[gic_nr].dist_base; | ||
| 296 | BUG_ON(!dist_base); | ||
| 297 | |||
| 298 | gic_data[gic_nr].cpu_base = base; | ||
| 299 | |||
| 300 | /* | 291 | /* |
| 301 | * Deal with the banked PPI and SGI interrupts - disable all | 292 | * Deal with the banked PPI and SGI interrupts - disable all |
| 302 | * PPI interrupts, ensure all SGI interrupts are enabled. | 293 | * PPI interrupts, ensure all SGI interrupts are enabled. |
| @@ -314,6 +305,42 @@ void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base) · 11 unmodified lines | |||
| 314 | writel(1, base + GIC_CPU_CTRL); | 305 | writel(1, base + GIC_CPU_CTRL); |
| 315 | } | 306 | } |
| 316 | 307 | ||
| 308 | void __init gic_init(unsigned int gic_nr, unsigned int irq_start, | ||
| 309 | void __iomem *dist_base, void __iomem *cpu_base) | ||
| 310 | { | ||
| 311 | struct gic_chip_data *gic; | ||
| 312 | |||
| 313 | BUG_ON(gic_nr >= MAX_GIC_NR); | ||
| 314 | |||
| 315 | gic = &gic_data[gic_nr]; | ||
| 316 | gic->dist_base = dist_base; | ||
| 317 | gic->cpu_base = cpu_base; | ||
| 318 | gic->irq_offset = (irq_start - 1) & ~31; | ||
| 319 | |||
| 320 | if (gic_nr == 0) | ||
| 321 | gic_cpu_base_addr = cpu_base; | ||
| 322 | |||
| 323 | gic_dist_init(gic, irq_start); | ||
| 324 | gic_cpu_init(gic); | ||
| 325 | } | ||
| 326 | |||
| 327 | void __cpuinit gic_secondary_init(unsigned int gic_nr) | ||
| 328 | { | ||
| 329 | BUG_ON(gic_nr >= MAX_GIC_NR); | ||
| 330 | |||
| 331 | gic_cpu_init(&gic_data[gic_nr]); | ||
| 332 | } | ||
| 333 | |||
| 334 | void __cpuinit gic_enable_ppi(unsigned int irq) | ||
| 335 | { | ||
| 336 | unsigned long flags; | ||
| 337 | |||
| 338 | local_irq_save(flags); | ||
| 339 | irq_to_desc(irq)->status |= IRQ_NOPROBE; | ||
| 340 | gic_unmask_irq(irq_get_irq_data(irq)); | ||
| 341 | local_irq_restore(flags); | ||
| 342 | } | ||
| 343 | |||
| 317 | #ifdef CONFIG_SMP | 344 | #ifdef CONFIG_SMP |
| 318 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) | 345 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) |
| 319 | { | 346 | { |
| @@ -31,8 +31,10 @@ · 30 unmodified lines | |||
| 31 | 31 | ||
| 32 | #define MAX_SLOTS 21 | 32 | #define MAX_SLOTS 21 |
| 33 | 33 | ||
| 34 | static void it8152_mask_irq(unsigned int irq) | 34 | static void it8152_mask_irq(struct irq_data *d) |
| 35 | { | 35 | { |
| 36 | unsigned int irq = d->irq; | ||
| 37 | |||
| 36 | if (irq >= IT8152_LD_IRQ(0)) { | 38 | if (irq >= IT8152_LD_IRQ(0)) { |
| 37 | __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) | | 39 | __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) | |
| 38 | (1 << (irq - IT8152_LD_IRQ(0)))), | 40 | (1 << (irq - IT8152_LD_IRQ(0)))), |
| @@ -48,8 +50,10 @@ static void it8152_mask_irq(unsigned int irq) · 9 unmodified lines | |||
| 48 | } | 50 | } |
| 49 | } | 51 | } |
| 50 | 52 | ||
| 51 | static void it8152_unmask_irq(unsigned int irq) | 53 | static void it8152_unmask_irq(struct irq_data *d) |
| 52 | { | 54 | { |
| 55 | unsigned int irq = d->irq; | ||
| 56 | |||
| 53 | if (irq >= IT8152_LD_IRQ(0)) { | 57 | if (irq >= IT8152_LD_IRQ(0)) { |
| 54 | __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) & | 58 | __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) & |
| 55 | ~(1 << (irq - IT8152_LD_IRQ(0)))), | 59 | ~(1 << (irq - IT8152_LD_IRQ(0)))), |
| @@ -67,9 +71,9 @@ static void it8152_unmask_irq(unsigned int irq) · 11 unmodified lines | |||
| 67 | 71 | ||
| 68 | static struct irq_chip it8152_irq_chip = { | 72 | static struct irq_chip it8152_irq_chip = { |
| 69 | .name = "it8152", | 73 | .name = "it8152", |
| 70 | .ack = it8152_mask_irq, | 74 | .irq_ack = it8152_mask_irq, |
| 71 | .mask = it8152_mask_irq, | 75 | .irq_mask = it8152_mask_irq, |
| 72 | .unmask = it8152_unmask_irq, | 76 | .irq_unmask = it8152_unmask_irq, |
| 73 | }; | 77 | }; |
| 74 | 78 | ||
| 75 | void it8152_init_irq(void) | 79 | void it8152_init_irq(void) |
| @@ -236,7 +240,7 @@ static struct resource it8152_mem = { · 160 unmodified lines | |||
| 236 | 240 | ||
| 237 | /* | 241 | /* |
| 238 | * The following functions are needed for DMA bouncing. | 242 | * The following functions are needed for DMA bouncing. |
| 239 | * ITE8152 chip can addrees up to 64MByte, so all the devices | 243 | * ITE8152 chip can address up to 64MByte, so all the devices |
| 240 | * connected to ITE8152 (PCI and USB) should have limited DMA window | 244 | * connected to ITE8152 (PCI and USB) should have limited DMA window |
| 241 | */ | 245 | */ |
| 242 | 246 | ||
| @@ -144,7 +144,7 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc) · 143 unmodified lines | |||
| 144 | int req, i; | 144 | int req, i; |
| 145 | 145 | ||
| 146 | /* Acknowledge the parent IRQ */ | 146 | /* Acknowledge the parent IRQ */ |
| 147 | desc->chip->ack(irq); | 147 | desc->irq_data.chip->irq_ack(&desc->irq_data); |
| 148 | 148 | ||
| 149 | /* check why this interrupt was generated */ | 149 | /* check why this interrupt was generated */ |
| 150 | req = locomo_readl(lchip->base + LOCOMO_ICR) & 0x0f00; | 150 | req = locomo_readl(lchip->base + LOCOMO_ICR) & 0x0f00; |
| @@ -161,33 +161,33 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc) · 10 unmodified lines | |||
| 161 | } | 161 | } |
| 162 | } | 162 | } |
| 163 | 163 | ||
| 164 | static void locomo_ack_irq(unsigned int irq) | 164 | static void locomo_ack_irq(struct irq_data *d) |
| 165 | { | 165 | { |
| 166 | } | 166 | } |
| 167 | 167 | ||
| 168 | static void locomo_mask_irq(unsigned int irq) | 168 | static void locomo_mask_irq(struct irq_data *d) |
| 169 | { | 169 | { |
| 170 | struct locomo *lchip = get_irq_chip_data(irq); | 170 | struct locomo *lchip = irq_data_get_irq_chip_data(d); |
| 171 | unsigned int r; | 171 | unsigned int r; |
| 172 | r = locomo_readl(lchip->base + LOCOMO_ICR); | 172 | r = locomo_readl(lchip->base + LOCOMO_ICR); |
| 173 | r &= ~(0x0010 << (irq - lchip->irq_base)); | 173 | r &= ~(0x0010 << (d->irq - lchip->irq_base)); |
| 174 | locomo_writel(r, lchip->base + LOCOMO_ICR); | 174 | locomo_writel(r, lchip->base + LOCOMO_ICR); |
| 175 | } | 175 | } |
| 176 | 176 | ||
| 177 | static void locomo_unmask_irq(unsigned int irq) | 177 | static void locomo_unmask_irq(struct irq_data *d) |
| 178 | { | 178 | { |
| 179 | struct locomo *lchip = get_irq_chip_data(irq); | 179 | struct locomo *lchip = irq_data_get_irq_chip_data(d); |
| 180 | unsigned int r; | 180 | unsigned int r; |
| 181 | r = locomo_readl(lchip->base + LOCOMO_ICR); | 181 | r = locomo_readl(lchip->base + LOCOMO_ICR); |
| 182 | r |= (0x0010 << (irq - lchip->irq_base)); | 182 | r |= (0x0010 << (d->irq - lchip->irq_base)); |
| 183 | locomo_writel(r, lchip->base + LOCOMO_ICR); | 183 | locomo_writel(r, lchip->base + LOCOMO_ICR); |
| 184 | } | 184 | } |
| 185 | 185 | ||
| 186 | static struct irq_chip locomo_chip = { | 186 | static struct irq_chip locomo_chip = { |
| 187 | .name = "LOCOMO", | 187 | .name = "LOCOMO", |
| 188 | .ack = locomo_ack_irq, | 188 | .irq_ack = locomo_ack_irq, |
| 189 | .mask = locomo_mask_irq, | 189 | .irq_mask = locomo_mask_irq, |
| 190 | .unmask = locomo_unmask_irq, | 190 | .irq_unmask = locomo_unmask_irq, |
| 191 | }; | 191 | }; |
| 192 | 192 | ||
| 193 | static void locomo_setup_irq(struct locomo *lchip) | 193 | static void locomo_setup_irq(struct locomo *lchip) |
| @@ -210,7 +210,7 @@ sa1111_irq_handler(unsigned int irq, struct irq_desc *desc) · 209 unmodified lines | |||
| 210 | 210 | ||
| 211 | sa1111_writel(stat0, mapbase + SA1111_INTSTATCLR0); | 211 | sa1111_writel(stat0, mapbase + SA1111_INTSTATCLR0); |
| 212 | 212 | ||
| 213 | desc->chip->ack(irq); | 213 | desc->irq_data.chip->irq_ack(&desc->irq_data); |
| 214 | 214 | ||
| 215 | sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1); | 215 | sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1); |
| 216 | 216 | ||
| @@ -228,35 +228,35 @@ sa1111_irq_handler(unsigned int irq, struct irq_desc *desc) · 11 unmodified lines | |||
| 228 | generic_handle_irq(i + sachip->irq_base); | 228 | generic_handle_irq(i + sachip->irq_base); |
| 229 | 229 | ||
| 230 | /* For level-based interrupts */ | 230 | /* For level-based interrupts */ |
| 231 | desc->chip->unmask(irq); | 231 | desc->irq_data.chip->irq_unmask(&desc->irq_data); |
| 232 | } | 232 | } |
| 233 | 233 | ||
| 234 | #define SA1111_IRQMASK_LO(x) (1 << (x - sachip->irq_base)) | 234 | #define SA1111_IRQMASK_LO(x) (1 << (x - sachip->irq_base)) |
| 235 | #define SA1111_IRQMASK_HI(x) (1 << (x - sachip->irq_base - 32)) | 235 | #define SA1111_IRQMASK_HI(x) (1 << (x - sachip->irq_base - 32)) |
| 236 | 236 | ||
| 237 | static void sa1111_ack_irq(unsigned int irq) | 237 | static void sa1111_ack_irq(struct irq_data *d) |
| 238 | { | 238 | { |
| 239 | } | 239 | } |
| 240 | 240 | ||
| 241 | static void sa1111_mask_lowirq(unsigned int irq) | 241 | static void sa1111_mask_lowirq(struct irq_data *d) |
| 242 | { | 242 | { |
| 243 | struct sa1111 *sachip = get_irq_chip_data(irq); | 243 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 244 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 244 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 245 | unsigned long ie0; | 245 | unsigned long ie0; |
| 246 | 246 | ||
| 247 | ie0 = sa1111_readl(mapbase + SA1111_INTEN0); | 247 | ie0 = sa1111_readl(mapbase + SA1111_INTEN0); |
| 248 | ie0 &= ~SA1111_IRQMASK_LO(irq); | 248 | ie0 &= ~SA1111_IRQMASK_LO(d->irq); |
| 249 | writel(ie0, mapbase + SA1111_INTEN0); | 249 | writel(ie0, mapbase + SA1111_INTEN0); |
| 250 | } | 250 | } |
| 251 | 251 | ||
| 252 | static void sa1111_unmask_lowirq(unsigned int irq) | 252 | static void sa1111_unmask_lowirq(struct irq_data *d) |
| 253 | { | 253 | { |
| 254 | struct sa1111 *sachip = get_irq_chip_data(irq); | 254 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 255 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 255 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 256 | unsigned long ie0; | 256 | unsigned long ie0; |
| 257 | 257 | ||
| 258 | ie0 = sa1111_readl(mapbase + SA1111_INTEN0); | 258 | ie0 = sa1111_readl(mapbase + SA1111_INTEN0); |
| 259 | ie0 |= SA1111_IRQMASK_LO(irq); | 259 | ie0 |= SA1111_IRQMASK_LO(d->irq); |
| 260 | sa1111_writel(ie0, mapbase + SA1111_INTEN0); | 260 | sa1111_writel(ie0, mapbase + SA1111_INTEN0); |
| 261 | } | 261 | } |
| 262 | 262 | ||
| @@ -267,11 +267,11 @@ static void sa1111_unmask_lowirq(unsigned int irq) · 4 unmodified lines | |||
| 267 | * be triggered. In fact, its very difficult, if not impossible to get | 267 | * be triggered. In fact, its very difficult, if not impossible to get |
| 268 | * INTSET to re-trigger the interrupt. | 268 | * INTSET to re-trigger the interrupt. |
| 269 | */ | 269 | */ |
| 270 | static int sa1111_retrigger_lowirq(unsigned int irq) | 270 | static int sa1111_retrigger_lowirq(struct irq_data *d) |
| 271 | { | 271 | { |
| 272 | struct sa1111 *sachip = get_irq_chip_data(irq); | 272 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 273 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 273 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 274 | unsigned int mask = SA1111_IRQMASK_LO(irq); | 274 | unsigned int mask = SA1111_IRQMASK_LO(d->irq); |
| 275 | unsigned long ip0; | 275 | unsigned long ip0; |
| 276 | int i; | 276 | int i; |
| 277 | 277 | ||
| @@ -279,21 +279,21 @@ static int sa1111_retrigger_lowirq(unsigned int irq) · 1 unmodified line | |||
| 279 | for (i = 0; i < 8; i++) { | 279 | for (i = 0; i < 8; i++) { |
| 280 | sa1111_writel(ip0 ^ mask, mapbase + SA1111_INTPOL0); | 280 | sa1111_writel(ip0 ^ mask, mapbase + SA1111_INTPOL0); |
| 281 | sa1111_writel(ip0, mapbase + SA1111_INTPOL0); | 281 | sa1111_writel(ip0, mapbase + SA1111_INTPOL0); |
| 282 | if (sa1111_readl(mapbase + SA1111_INTSTATCLR1) & mask) | 282 | if (sa1111_readl(mapbase + SA1111_INTSTATCLR0) & mask) |
| 283 | break; | 283 | break; |
| 284 | } | 284 | } |
| 285 | 285 | ||
| 286 | if (i == 8) | 286 | if (i == 8) |
| 287 | printk(KERN_ERR "Danger Will Robinson: failed to " | 287 | printk(KERN_ERR "Danger Will Robinson: failed to " |
| 288 | "re-trigger IRQ%d\n", irq); | 288 | "re-trigger IRQ%d\n", d->irq); |
| 289 | return i == 8 ? -1 : 0; | 289 | return i == 8 ? -1 : 0; |
| 290 | } | 290 | } |
| 291 | 291 | ||
| 292 | static int sa1111_type_lowirq(unsigned int irq, unsigned int flags) | 292 | static int sa1111_type_lowirq(struct irq_data *d, unsigned int flags) |
| 293 | { | 293 | { |
| 294 | struct sa1111 *sachip = get_irq_chip_data(irq); | 294 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 295 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 295 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 296 | unsigned int mask = SA1111_IRQMASK_LO(irq); | 296 | unsigned int mask = SA1111_IRQMASK_LO(d->irq); |
| 297 | unsigned long ip0; | 297 | unsigned long ip0; |
| 298 | 298 | ||
| 299 | if (flags == IRQ_TYPE_PROBE) | 299 | if (flags == IRQ_TYPE_PROBE) |
| @@ -313,11 +313,11 @@ static int sa1111_type_lowirq(unsigned int irq, unsigned int flags) · 13 unmodified lines | |||
| 313 | return 0; | 313 | return 0; |
| 314 | } | 314 | } |
| 315 | 315 | ||
| 316 | static int sa1111_wake_lowirq(unsigned int irq, unsigned int on) | 316 | static int sa1111_wake_lowirq(struct irq_data *d, unsigned int on) |
| 317 | { | 317 | { |
| 318 | struct sa1111 *sachip = get_irq_chip_data(irq); | 318 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 319 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 319 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 320 | unsigned int mask = SA1111_IRQMASK_LO(irq); | 320 | unsigned int mask = SA1111_IRQMASK_LO(d->irq); |
| 321 | unsigned long we0; | 321 | unsigned long we0; |
| 322 | 322 | ||
| 323 | we0 = sa1111_readl(mapbase + SA1111_WAKEEN0); | 323 | we0 = sa1111_readl(mapbase + SA1111_WAKEEN0); |
| @@ -332,33 +332,33 @@ static int sa1111_wake_lowirq(unsigned int irq, unsigned int on) · 8 unmodified lines | |||
| 332 | 332 | ||
| 333 | static struct irq_chip sa1111_low_chip = { | 333 | static struct irq_chip sa1111_low_chip = { |
| 334 | .name = "SA1111-l", | 334 | .name = "SA1111-l", |
| 335 | .ack = sa1111_ack_irq, | 335 | .irq_ack = sa1111_ack_irq, |
| 336 | .mask = sa1111_mask_lowirq, | 336 | .irq_mask = sa1111_mask_lowirq, |
| 337 | .unmask = sa1111_unmask_lowirq, | 337 | .irq_unmask = sa1111_unmask_lowirq, |
| 338 | .retrigger = sa1111_retrigger_lowirq, | 338 | .irq_retrigger = sa1111_retrigger_lowirq, |
| 339 | .set_type = sa1111_type_lowirq, | 339 | .irq_set_type = sa1111_type_lowirq, |
| 340 | .set_wake = sa1111_wake_lowirq, | 340 | .irq_set_wake = sa1111_wake_lowirq, |
| 341 | }; | 341 | }; |
| 342 | 342 | ||
| 343 | static void sa1111_mask_highirq(unsigned int irq) | 343 | static void sa1111_mask_highirq(struct irq_data *d) |
| 344 | { | 344 | { |
| 345 | struct sa1111 *sachip = get_irq_chip_data(irq); | 345 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 346 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 346 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 347 | unsigned long ie1; | 347 | unsigned long ie1; |
| 348 | 348 | ||
| 349 | ie1 = sa1111_readl(mapbase + SA1111_INTEN1); | 349 | ie1 = sa1111_readl(mapbase + SA1111_INTEN1); |
| 350 | ie1 &= ~SA1111_IRQMASK_HI(irq); | 350 | ie1 &= ~SA1111_IRQMASK_HI(d->irq); |
| 351 | sa1111_writel(ie1, mapbase + SA1111_INTEN1); | 351 | sa1111_writel(ie1, mapbase + SA1111_INTEN1); |
| 352 | } | 352 | } |
| 353 | 353 | ||
| 354 | static void sa1111_unmask_highirq(unsigned int irq) | 354 | static void sa1111_unmask_highirq(struct irq_data *d) |
| 355 | { | 355 | { |
| 356 | struct sa1111 *sachip = get_irq_chip_data(irq); | 356 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 357 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 357 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 358 | unsigned long ie1; | 358 | unsigned long ie1; |
| 359 | 359 | ||
| 360 | ie1 = sa1111_readl(mapbase + SA1111_INTEN1); | 360 | ie1 = sa1111_readl(mapbase + SA1111_INTEN1); |
| 361 | ie1 |= SA1111_IRQMASK_HI(irq); | 361 | ie1 |= SA1111_IRQMASK_HI(d->irq); |
| 362 | sa1111_writel(ie1, mapbase + SA1111_INTEN1); | 362 | sa1111_writel(ie1, mapbase + SA1111_INTEN1); |
| 363 | } | 363 | } |
| 364 | 364 | ||
| @@ -369,11 +369,11 @@ static void sa1111_unmask_highirq(unsigned int irq) · 4 unmodified lines | |||
| 369 | * be triggered. In fact, its very difficult, if not impossible to get | 369 | * be triggered. In fact, its very difficult, if not impossible to get |
| 370 | * INTSET to re-trigger the interrupt. | 370 | * INTSET to re-trigger the interrupt. |
| 371 | */ | 371 | */ |
| 372 | static int sa1111_retrigger_highirq(unsigned int irq) | 372 | static int sa1111_retrigger_highirq(struct irq_data *d) |
| 373 | { | 373 | { |
| 374 | struct sa1111 *sachip = get_irq_chip_data(irq); | 374 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 375 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 375 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 376 | unsigned int mask = SA1111_IRQMASK_HI(irq); | 376 | unsigned int mask = SA1111_IRQMASK_HI(d->irq); |
| 377 | unsigned long ip1; | 377 | unsigned long ip1; |
| 378 | int i; | 378 | int i; |
| 379 | 379 | ||
| @@ -387,15 +387,15 @@ static int sa1111_retrigger_highirq(unsigned int irq) · 7 unmodified lines | |||
| 387 | 387 | ||
| 388 | if (i == 8) | 388 | if (i == 8) |
| 389 | printk(KERN_ERR "Danger Will Robinson: failed to " | 389 | printk(KERN_ERR "Danger Will Robinson: failed to " |
| 390 | "re-trigger IRQ%d\n", irq); | 390 | "re-trigger IRQ%d\n", d->irq); |
| 391 | return i == 8 ? -1 : 0; | 391 | return i == 8 ? -1 : 0; |
| 392 | } | 392 | } |
| 393 | 393 | ||
| 394 | static int sa1111_type_highirq(unsigned int irq, unsigned int flags) | 394 | static int sa1111_type_highirq(struct irq_data *d, unsigned int flags) |
| 395 | { | 395 | { |
| 396 | struct sa1111 *sachip = get_irq_chip_data(irq); | 396 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 397 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 397 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 398 | unsigned int mask = SA1111_IRQMASK_HI(irq); | 398 | unsigned int mask = SA1111_IRQMASK_HI(d->irq); |
| 399 | unsigned long ip1; | 399 | unsigned long ip1; |
| 400 | 400 | ||
| 401 | if (flags == IRQ_TYPE_PROBE) | 401 | if (flags == IRQ_TYPE_PROBE) |
| @@ -415,11 +415,11 @@ static int sa1111_type_highirq(unsigned int irq, unsigned int flags) · 13 unmodified lines | |||
| 415 | return 0; | 415 | return 0; |
| 416 | } | 416 | } |
| 417 | 417 | ||
| 418 | static int sa1111_wake_highirq(unsigned int irq, unsigned int on) | 418 | static int sa1111_wake_highirq(struct irq_data *d, unsigned int on) |
| 419 | { | 419 | { |
| 420 | struct sa1111 *sachip = get_irq_chip_data(irq); | 420 | struct sa1111 *sachip = irq_data_get_irq_chip_data(d); |
| 421 | void __iomem *mapbase = sachip->base + SA1111_INTC; | 421 | void __iomem *mapbase = sachip->base + SA1111_INTC; |
| 422 | unsigned int mask = SA1111_IRQMASK_HI(irq); | 422 | unsigned int mask = SA1111_IRQMASK_HI(d->irq); |
| 423 | unsigned long we1; | 423 | unsigned long we1; |
| 424 | 424 | ||
| 425 | we1 = sa1111_readl(mapbase + SA1111_WAKEEN1); | 425 | we1 = sa1111_readl(mapbase + SA1111_WAKEEN1); |
| @@ -434,12 +434,12 @@ static int sa1111_wake_highirq(unsigned int irq, unsigned int on) · 8 unmodified lines | |||
| 434 | 434 | ||
| 435 | static struct irq_chip sa1111_high_chip = { | 435 | static struct irq_chip sa1111_high_chip = { |
| 436 | .name = "SA1111-h", | 436 | .name = "SA1111-h", |
| 437 | .ack = sa1111_ack_irq, | 437 | .irq_ack = sa1111_ack_irq, |
| 438 | .mask = sa1111_mask_highirq, | 438 | .irq_mask = sa1111_mask_highirq, |
| 439 | .unmask = sa1111_unmask_highirq, | 439 | .irq_unmask = sa1111_unmask_highirq, |
| 440 | .retrigger = sa1111_retrigger_highirq, | 440 | .irq_retrigger = sa1111_retrigger_highirq, |
| 441 | .set_type = sa1111_type_highirq, | 441 | .irq_set_type = sa1111_type_highirq, |
| 442 | .set_wake = sa1111_wake_highirq, | 442 | .irq_set_wake = sa1111_wake_highirq, |
| 443 | }; | 443 | }; |
| 444 | 444 | ||
| 445 | static void sa1111_setup_irq(struct sa1111 *sachip) | 445 | static void sa1111_setup_irq(struct sa1111 *sachip) |
| @@ -1,5 +1,5 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * linux/arch/arm/plat-versatile/timer-sp.c | 2 | * linux/arch/arm/common/timer-sp.c |
| 3 | * | 3 | * |
| 4 | * Copyright (C) 1999 - 2003 ARM Limited | 4 | * Copyright (C) 1999 - 2003 ARM Limited |
| 5 | * Copyright (C) 2000 Deep Blue Solutions Ltd | 5 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| @@ -26,8 +26,6 @@ · 20 unmodified lines | |||
| 26 | 26 | ||
| 27 | #include <asm/hardware/arm_timer.h> | 27 | #include <asm/hardware/arm_timer.h> |
| 28 | 28 | ||
| 29 | #include <plat/timer-sp.h> | ||
| 30 | |||
| 31 | /* | 29 | /* |
| 32 | * These timers are currently always setup to be clocked at 1MHz. | 30 | * These timers are currently always setup to be clocked at 1MHz. |
| 33 | */ | 31 | */ |
| @@ -46,7 +44,6 @@ static struct clocksource clocksource_sp804 = { · 12 unmodified lines | |||
| 46 | .rating = 200, | 44 | .rating = 200, |
| 47 | .read = sp804_read, | 45 | .read = sp804_read, |
| 48 | .mask = CLOCKSOURCE_MASK(32), | 46 | .mask = CLOCKSOURCE_MASK(32), |
| 49 | .shift = 20, | ||
| 50 | .flags = CLOCK_SOURCE_IS_CONTINUOUS, | 47 | .flags = CLOCK_SOURCE_IS_CONTINUOUS, |
| 51 | }; | 48 | }; |
| 52 | 49 | ||
| @@ -63,8 +60,7 @@ void __init sp804_clocksource_init(void __iomem *base) · 10 unmodified lines | |||
| 63 | writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC, | 60 | writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC, |
| 64 | clksrc_base + TIMER_CTRL); | 61 | clksrc_base + TIMER_CTRL); |
| 65 | 62 | ||
| 66 | cs->mult = clocksource_khz2mult(TIMER_FREQ_KHZ, cs->shift); | 63 | clocksource_register_khz(cs, TIMER_FREQ_KHZ); |
| 67 | clocksource_register(cs); | ||
| 68 | } | 64 | } |
| 69 | 65 | ||
| 70 | 66 | ||
| @@ -70,7 +70,7 @@ static inline struct vic_device *to_vic(struct sys_device *sys) · 69 unmodified lines | |||
| 70 | * vic_init2 - common initialisation code | 70 | * vic_init2 - common initialisation code |
| 71 | * @base: Base of the VIC. | 71 | * @base: Base of the VIC. |
| 72 | * | 72 | * |
| 73 | * Common initialisation code for registeration | 73 | * Common initialisation code for registration |
| 74 | * and resume. | 74 | * and resume. |
| 75 | */ | 75 | */ |
| 76 | static void vic_init2(void __iomem *base) | 76 | static void vic_init2(void __iomem *base) |
| @@ -204,26 +204,26 @@ static void __init vic_pm_register(void __iomem *base, unsigned int irq, u32 res · 127 unmodified lines | |||
| 204 | static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { } | 204 | static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { } |
| 205 | #endif /* CONFIG_PM */ | 205 | #endif /* CONFIG_PM */ |
| 206 | 206 | ||
| 207 | static void vic_ack_irq(unsigned int irq) | 207 | static void vic_ack_irq(struct irq_data *d) |
| 208 | { | 208 | { |
| 209 | void __iomem *base = get_irq_chip_data(irq); | 209 | void __iomem *base = irq_data_get_irq_chip_data(d); |
| 210 | irq &= 31; | 210 | unsigned int irq = d->irq & 31; |
| 211 | writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); | 211 | writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); |
| 212 | /* moreover, clear the soft-triggered, in case it was the reason */ | 212 | /* moreover, clear the soft-triggered, in case it was the reason */ |
| 213 | writel(1 << irq, base + VIC_INT_SOFT_CLEAR); | 213 | writel(1 << irq, base + VIC_INT_SOFT_CLEAR); |
| 214 | } | 214 | } |
| 215 | 215 | ||
| 216 | static void vic_mask_irq(unsigned int irq) | 216 | static void vic_mask_irq(struct irq_data *d) |
| 217 | { | 217 | { |
| 218 | void __iomem *base = get_irq_chip_data(irq); | 218 | void __iomem *base = irq_data_get_irq_chip_data(d); |
| 219 | irq &= 31; | 219 | unsigned int irq = d->irq & 31; |
| 220 | writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); | 220 | writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); |
| 221 | } | 221 | } |
| 222 | 222 | ||
| 223 | static void vic_unmask_irq(unsigned int irq) | 223 | static void vic_unmask_irq(struct irq_data *d) |
| 224 | { | 224 | { |
| 225 | void __iomem *base = get_irq_chip_data(irq); | 225 | void __iomem *base = irq_data_get_irq_chip_data(d); |
| 226 | irq &= 31; | 226 | unsigned int irq = d->irq & 31; |
| 227 | writel(1 << irq, base + VIC_INT_ENABLE); | 227 | writel(1 << irq, base + VIC_INT_ENABLE); |
| 228 | } | 228 | } |
| 229 | 229 | ||
| @@ -242,10 +242,10 @@ static struct vic_device *vic_from_irq(unsigned int irq) · 12 unmodified lines | |||
| 242 | return NULL; | 242 | return NULL; |
| 243 | } | 243 | } |
| 244 | 244 | ||
| 245 | static int vic_set_wake(unsigned int irq, unsigned int on) | 245 | static int vic_set_wake(struct irq_data *d, unsigned int on) |
| 246 | { | 246 | { |
| 247 | struct vic_device *v = vic_from_irq(irq); | 247 | struct vic_device *v = vic_from_irq(d->irq); |
| 248 | unsigned int off = irq & 31; | 248 | unsigned int off = d->irq & 31; |
| 249 | u32 bit = 1 << off; | 249 | u32 bit = 1 << off; |
| 250 | 250 | ||
| 251 | if (!v) | 251 | if (!v) |
| @@ -267,10 +267,10 @@ static int vic_set_wake(unsigned int irq, unsigned int on) · 15 unmodified lines | |||
| 267 | 267 | ||
| 268 | static struct irq_chip vic_chip = { | 268 | static struct irq_chip vic_chip = { |
| 269 | .name = "VIC", | 269 | .name = "VIC", |
| 270 | .ack = vic_ack_irq, | 270 | .irq_ack = vic_ack_irq, |
| 271 | .mask = vic_mask_irq, | 271 | .irq_mask = vic_mask_irq, |
| 272 | .unmask = vic_unmask_irq, | 272 | .irq_unmask = vic_unmask_irq, |
| 273 | .set_wake = vic_set_wake, | 273 | .irq_set_wake = vic_set_wake, |
| 274 | }; | 274 | }; |
| 275 | 275 | ||
| 276 | static void __init vic_disable(void __iomem *base) | 276 | static void __init vic_disable(void __iomem *base) |
| @@ -0,0 +1,83 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_IKCONFIG=y | ||
| 4 | CONFIG_IKCONFIG_PROC=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=16 | ||
| 6 | CONFIG_NAMESPACES=y | ||
| 7 | # CONFIG_UTS_NS is not set | ||
| 8 | # CONFIG_IPC_NS is not set | ||
| 9 | # CONFIG_USER_NS is not set | ||
| 10 | # CONFIG_PID_NS is not set | ||
| 11 | CONFIG_BLK_DEV_INITRD=y | ||
| 12 | CONFIG_INITRAMFS_SOURCE="" | ||
| 13 | CONFIG_EXPERT=y | ||
| 14 | CONFIG_SLAB=y | ||
| 15 | # CONFIG_BLK_DEV_BSG is not set | ||
| 16 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 17 | # CONFIG_IOSCHED_CFQ is not set | ||
| 18 | CONFIG_ARCH_SHMOBILE=y | ||
| 19 | CONFIG_ARCH_SH73A0=y | ||
| 20 | CONFIG_MACH_AG5EVM=y | ||
| 21 | CONFIG_MEMORY_SIZE=0x10000000 | ||
| 22 | CONFIG_CPU_BPREDICT_DISABLE=y | ||
| 23 | CONFIG_ARM_ERRATA_430973=y | ||
| 24 | CONFIG_ARM_ERRATA_458693=y | ||
| 25 | CONFIG_NO_HZ=y | ||
| 26 | CONFIG_AEABI=y | ||
| 27 | # CONFIG_OABI_COMPAT is not set | ||
| 28 | CONFIG_HIGHMEM=y | ||
| 29 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 30 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 31 | CONFIG_CMDLINE="console=tty0 console=ttySC2,115200 earlyprintk=sh-sci.2,115200 ignore_loglevel" | ||
| 32 | CONFIG_CMDLINE_FORCE=y | ||
| 33 | CONFIG_KEXEC=y | ||
| 34 | # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set | ||
| 35 | CONFIG_PM=y | ||
| 36 | # CONFIG_SUSPEND is not set | ||
| 37 | CONFIG_PM_RUNTIME=y | ||
| 38 | CONFIG_NET=y | ||
| 39 | CONFIG_PACKET=y | ||
| 40 | CONFIG_UNIX=y | ||
| 41 | CONFIG_INET=y | ||
| 42 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 43 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 44 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 45 | # CONFIG_INET_LRO is not set | ||
| 46 | # CONFIG_INET_DIAG is not set | ||
| 47 | # CONFIG_IPV6 is not set | ||
| 48 | # CONFIG_WIRELESS is not set | ||
| 49 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 50 | # CONFIG_BLK_DEV is not set | ||
| 51 | CONFIG_NETDEVICES=y | ||
| 52 | CONFIG_NET_ETHERNET=y | ||
| 53 | CONFIG_SMSC911X=y | ||
| 54 | # CONFIG_NETDEV_1000 is not set | ||
| 55 | # CONFIG_NETDEV_10000 is not set | ||
| 56 | # CONFIG_WLAN is not set | ||
| 57 | CONFIG_INPUT_SPARSEKMAP=y | ||
| 58 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | ||
| 59 | CONFIG_INPUT_EVDEV=y | ||
| 60 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 61 | # CONFIG_INPUT_MOUSE is not set | ||
| 62 | CONFIG_SERIAL_SH_SCI=y | ||
| 63 | CONFIG_SERIAL_SH_SCI_NR_UARTS=9 | ||
| 64 | CONFIG_SERIAL_SH_SCI_CONSOLE=y | ||
| 65 | # CONFIG_LEGACY_PTYS is not set | ||
| 66 | # CONFIG_HW_RANDOM is not set | ||
| 67 | CONFIG_I2C=y | ||
| 68 | CONFIG_I2C_SH_MOBILE=y | ||
| 69 | # CONFIG_HWMON is not set | ||
| 70 | # CONFIG_MFD_SUPPORT is not set | ||
| 71 | CONFIG_FB=y | ||
| 72 | CONFIG_FB_SH_MOBILE_LCDC=y | ||
| 73 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 74 | CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y | ||
| 75 | # CONFIG_HID_SUPPORT is not set | ||
| 76 | # CONFIG_USB_SUPPORT is not set | ||
| 77 | # CONFIG_DNOTIFY is not set | ||
| 78 | # CONFIG_INOTIFY_USER is not set | ||
| 79 | CONFIG_TMPFS=y | ||
| 80 | # CONFIG_MISC_FILESYSTEMS is not set | ||
| 81 | CONFIG_MAGIC_SYSRQ=y | ||
| 82 | CONFIG_DEBUG_KERNEL=y | ||
| 83 | # CONFIG_FTRACE is not set | ||
| @@ -3,7 +3,7 @@ CONFIG_LOCALVERSION="gum" · 2 unmodified lines | |||
| 3 | # CONFIG_SWAP is not set | 3 | # CONFIG_SWAP is not set |
| 4 | CONFIG_SYSVIPC=y | 4 | CONFIG_SYSVIPC=y |
| 5 | CONFIG_SYSFS_DEPRECATED_V2=y | 5 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_SYSCTL_SYSCALL is not set | 7 | # CONFIG_SYSCTL_SYSCALL is not set |
| 8 | # CONFIG_EPOLL is not set | 8 | # CONFIG_EPOLL is not set |
| 9 | # CONFIG_SHMEM is not set | 9 | # CONFIG_SHMEM is not set |
| @@ -1,121 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | # CONFIG_SWAP is not set | ||
| 3 | CONFIG_SYSVIPC=y | ||
| 4 | CONFIG_TREE_PREEMPT_RCU=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 6 | CONFIG_BLK_DEV_INITRD=y | ||
| 7 | CONFIG_EMBEDDED=y | ||
| 8 | # CONFIG_KALLSYMS is not set | ||
| 9 | CONFIG_SLAB=y | ||
| 10 | CONFIG_MODULES=y | ||
| 11 | CONFIG_MODULE_UNLOAD=y | ||
| 12 | CONFIG_MODULE_FORCE_UNLOAD=y | ||
| 13 | # CONFIG_LBDAF is not set | ||
| 14 | CONFIG_ARCH_OMAP=y | ||
| 15 | CONFIG_ARCH_OMAP1=y | ||
| 16 | CONFIG_OMAP_MBOX_FWK=m | ||
| 17 | CONFIG_MACH_AMS_DELTA=y | ||
| 18 | CONFIG_OMAP_ARM_150MHZ=y | ||
| 19 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 20 | CONFIG_PREEMPT=y | ||
| 21 | CONFIG_AEABI=y | ||
| 22 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 23 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 24 | CONFIG_CMDLINE="mem=32M console=ttyS0,115200n8 root=/dev/ram0 initrd=0x11c00000,4M" | ||
| 25 | CONFIG_FPE_NWFPE=y | ||
| 26 | CONFIG_PM=y | ||
| 27 | # CONFIG_SUSPEND is not set | ||
| 28 | CONFIG_PM_RUNTIME=y | ||
| 29 | CONFIG_NET=y | ||
| 30 | CONFIG_PACKET=y | ||
| 31 | CONFIG_UNIX=y | ||
| 32 | CONFIG_INET=y | ||
| 33 | CONFIG_IP_MULTICAST=y | ||
| 34 | CONFIG_IPV6=y | ||
| 35 | # CONFIG_FW_LOADER is not set | ||
| 36 | CONFIG_MTD=y | ||
| 37 | CONFIG_MTD_PARTITIONS=y | ||
| 38 | CONFIG_MTD_CHAR=y | ||
| 39 | CONFIG_MTD_BLOCK=y | ||
| 40 | CONFIG_MTD_NAND=y | ||
| 41 | CONFIG_MTD_NAND_AMS_DELTA=y | ||
| 42 | CONFIG_BLK_DEV_LOOP=y | ||
| 43 | CONFIG_BLK_DEV_RAM=y | ||
| 44 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 45 | CONFIG_SCSI=y | ||
| 46 | CONFIG_BLK_DEV_SD=y | ||
| 47 | CONFIG_NETDEVICES=y | ||
| 48 | CONFIG_NET_ETHERNET=y | ||
| 49 | CONFIG_USB_CATC=y | ||
| 50 | CONFIG_USB_KAWETH=y | ||
| 51 | CONFIG_USB_PEGASUS=y | ||
| 52 | CONFIG_USB_RTL8150=y | ||
| 53 | CONFIG_USB_USBNET=y | ||
| 54 | CONFIG_PPP=y | ||
| 55 | CONFIG_PPP_MULTILINK=y | ||
| 56 | CONFIG_INPUT_EVDEV=y | ||
| 57 | CONFIG_KEYBOARD_OMAP=y | ||
| 58 | # CONFIG_INPUT_MOUSE is not set | ||
| 59 | CONFIG_SERIAL_8250=y | ||
| 60 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 61 | # CONFIG_LEGACY_PTYS is not set | ||
| 62 | CONFIG_HW_RANDOM=y | ||
| 63 | CONFIG_I2C=y | ||
| 64 | CONFIG_I2C_CHARDEV=y | ||
| 65 | CONFIG_I2C_OMAP=y | ||
| 66 | CONFIG_GPIO_SYSFS=y | ||
| 67 | # CONFIG_HWMON is not set | ||
| 68 | CONFIG_FB=y | ||
| 69 | CONFIG_FIRMWARE_EDID=y | ||
| 70 | CONFIG_FB_OMAP=y | ||
| 71 | CONFIG_BACKLIGHT_LCD_SUPPORT=y | ||
| 72 | CONFIG_LCD_CLASS_DEVICE=y | ||
| 73 | # CONFIG_VGA_CONSOLE is not set | ||
| 74 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 75 | CONFIG_FONTS=y | ||
| 76 | CONFIG_FONT_6x11=y | ||
| 77 | CONFIG_LOGO=y | ||
| 78 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 79 | # CONFIG_LOGO_LINUX_VGA16 is not set | ||
| 80 | CONFIG_SOUND=y | ||
| 81 | CONFIG_SND=y | ||
| 82 | CONFIG_SND_MIXER_OSS=y | ||
| 83 | CONFIG_SND_PCM_OSS=y | ||
| 84 | CONFIG_SND_SOC=y | ||
| 85 | CONFIG_SND_OMAP_SOC=y | ||
| 86 | CONFIG_SND_OMAP_SOC_AMS_DELTA=y | ||
| 87 | CONFIG_USB=y | ||
| 88 | CONFIG_USB_DEVICEFS=y | ||
| 89 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 90 | CONFIG_USB_MON=y | ||
| 91 | CONFIG_USB_OHCI_HCD=y | ||
| 92 | CONFIG_USB_STORAGE=y | ||
| 93 | CONFIG_NEW_LEDS=y | ||
| 94 | CONFIG_LEDS_CLASS=y | ||
| 95 | CONFIG_LEDS_AMS_DELTA=y | ||
| 96 | CONFIG_LEDS_TRIGGERS=y | ||
| 97 | CONFIG_LEDS_TRIGGER_TIMER=y | ||
| 98 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y | ||
| 99 | CONFIG_LEDS_TRIGGER_DEFAULT_ON=y | ||
| 100 | CONFIG_RTC_CLASS=y | ||
| 101 | CONFIG_RTC_DRV_OMAP=y | ||
| 102 | CONFIG_EXT2_FS=y | ||
| 103 | CONFIG_EXT3_FS=y | ||
| 104 | CONFIG_INOTIFY=y | ||
| 105 | CONFIG_AUTOFS_FS=y | ||
| 106 | CONFIG_AUTOFS4_FS=y | ||
| 107 | CONFIG_MSDOS_FS=y | ||
| 108 | CONFIG_VFAT_FS=y | ||
| 109 | CONFIG_TMPFS=y | ||
| 110 | CONFIG_JFFS2_FS=y | ||
| 111 | CONFIG_JFFS2_SUMMARY=y | ||
| 112 | CONFIG_NFS_FS=y | ||
| 113 | CONFIG_PARTITION_ADVANCED=y | ||
| 114 | CONFIG_NLS_CODEPAGE_437=y | ||
| 115 | CONFIG_NLS_CODEPAGE_850=y | ||
| 116 | CONFIG_NLS_CODEPAGE_852=y | ||
| 117 | CONFIG_NLS_ISO8859_1=y | ||
| 118 | CONFIG_NLS_ISO8859_2=y | ||
| 119 | CONFIG_MAGIC_SYSRQ=y | ||
| 120 | CONFIG_DEBUG_KERNEL=y | ||
| 121 | # CONFIG_DEBUG_BUGVERBOSE is not set | ||
| @@ -17,7 +17,7 @@ CONFIG_SYSFS_DEPRECATED_V2=y · 16 unmodified lines | |||
| 17 | CONFIG_RELAY=y | 17 | CONFIG_RELAY=y |
| 18 | CONFIG_BLK_DEV_INITRD=y | 18 | CONFIG_BLK_DEV_INITRD=y |
| 19 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 19 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 20 | CONFIG_EMBEDDED=y | 20 | CONFIG_EXPERT=y |
| 21 | CONFIG_SLAB=y | 21 | CONFIG_SLAB=y |
| 22 | CONFIG_PROFILING=y | 22 | CONFIG_PROFILING=y |
| 23 | CONFIG_OPROFILE=m | 23 | CONFIG_OPROFILE=m |
| @@ -1,6 +1,6 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | 1 | CONFIG_EXPERIMENTAL=y |
| 2 | CONFIG_LOG_BUF_SHIFT=14 | 2 | CONFIG_LOG_BUF_SHIFT=14 |
| 3 | CONFIG_EMBEDDED=y | 3 | CONFIG_EXPERT=y |
| 4 | CONFIG_MODULES=y | 4 | CONFIG_MODULES=y |
| 5 | CONFIG_MODVERSIONS=y | 5 | CONFIG_MODVERSIONS=y |
| 6 | CONFIG_ARCH_SA1100=y | 6 | CONFIG_ARCH_SA1100=y |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | # CONFIG_LOCALVERSION_AUTO is not set | 2 | # CONFIG_LOCALVERSION_AUTO is not set |
| 3 | # CONFIG_SWAP is not set | 3 | # CONFIG_SWAP is not set |
| 4 | CONFIG_SYSVIPC=y | 4 | CONFIG_SYSVIPC=y |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | CONFIG_KALLSYMS_EXTRA_PASS=y | 6 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 7 | # CONFIG_HOTPLUG is not set | 7 | # CONFIG_HOTPLUG is not set |
| 8 | # CONFIG_ELF_CORE is not set | 8 | # CONFIG_ELF_CORE is not set |
| @@ -6,7 +6,7 @@ CONFIG_IKCONFIG_PROC=y · 5 unmodified lines | |||
| 6 | CONFIG_LOG_BUF_SHIFT=14 | 6 | CONFIG_LOG_BUF_SHIFT=14 |
| 7 | CONFIG_SYSFS_DEPRECATED_V2=y | 7 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 8 | CONFIG_BLK_DEV_INITRD=y | 8 | CONFIG_BLK_DEV_INITRD=y |
| 9 | CONFIG_EMBEDDED=y | 9 | CONFIG_EXPERT=y |
| 10 | # CONFIG_VM_EVENT_COUNTERS is not set | 10 | # CONFIG_VM_EVENT_COUNTERS is not set |
| 11 | # CONFIG_SLUB_DEBUG is not set | 11 | # CONFIG_SLUB_DEBUG is not set |
| 12 | # CONFIG_COMPAT_BRK is not set | 12 | # CONFIG_COMPAT_BRK is not set |
| @@ -8,7 +8,7 @@ CONFIG_IKCONFIG_PROC=y · 7 unmodified lines | |||
| 8 | CONFIG_LOG_BUF_SHIFT=14 | 8 | CONFIG_LOG_BUF_SHIFT=14 |
| 9 | CONFIG_SYSFS_DEPRECATED_V2=y | 9 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 10 | CONFIG_BLK_DEV_INITRD=y | 10 | CONFIG_BLK_DEV_INITRD=y |
| 11 | CONFIG_EMBEDDED=y | 11 | CONFIG_EXPERT=y |
| 12 | CONFIG_KALLSYMS_EXTRA_PASS=y | 12 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 13 | CONFIG_SLAB=y | 13 | CONFIG_SLAB=y |
| 14 | CONFIG_MODULES=y | 14 | CONFIG_MODULES=y |
| @@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y · 3 unmodified lines | |||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_BLK_DEV_INITRD=y | 5 | CONFIG_BLK_DEV_INITRD=y |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | # CONFIG_BASE_FULL is not set | 8 | # CONFIG_BASE_FULL is not set |
| 9 | # CONFIG_EPOLL is not set | 9 | # CONFIG_EPOLL is not set |
| 10 | CONFIG_SLOB=y | 10 | CONFIG_SLOB=y |
| @@ -4,7 +4,7 @@ CONFIG_BSD_PROCESS_ACCT=y · 3 unmodified lines | |||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_SYSFS_DEPRECATED_V2=y | 5 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_PROFILING=y | 8 | CONFIG_PROFILING=y |
| 9 | CONFIG_OPROFILE=m | 9 | CONFIG_OPROFILE=m |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| @@ -6,7 +6,7 @@ CONFIG_IKCONFIG=y · 5 unmodified lines | |||
| 6 | CONFIG_IKCONFIG_PROC=y | 6 | CONFIG_IKCONFIG_PROC=y |
| 7 | CONFIG_LOG_BUF_SHIFT=14 | 7 | CONFIG_LOG_BUF_SHIFT=14 |
| 8 | CONFIG_BLK_DEV_INITRD=y | 8 | CONFIG_BLK_DEV_INITRD=y |
| 9 | CONFIG_EMBEDDED=y | 9 | CONFIG_EXPERT=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| 11 | CONFIG_MODULE_UNLOAD=y | 11 | CONFIG_MODULE_UNLOAD=y |
| 12 | CONFIG_MODULE_FORCE_UNLOAD=y | 12 | CONFIG_MODULE_FORCE_UNLOAD=y |
| @@ -6,7 +6,7 @@ CONFIG_IKCONFIG=y · 5 unmodified lines | |||
| 6 | CONFIG_IKCONFIG_PROC=y | 6 | CONFIG_IKCONFIG_PROC=y |
| 7 | CONFIG_LOG_BUF_SHIFT=14 | 7 | CONFIG_LOG_BUF_SHIFT=14 |
| 8 | CONFIG_BLK_DEV_INITRD=y | 8 | CONFIG_BLK_DEV_INITRD=y |
| 9 | CONFIG_EMBEDDED=y | 9 | CONFIG_EXPERT=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| 11 | CONFIG_MODULE_UNLOAD=y | 11 | CONFIG_MODULE_UNLOAD=y |
| 12 | CONFIG_MODULE_FORCE_UNLOAD=y | 12 | CONFIG_MODULE_FORCE_UNLOAD=y |
| @@ -1,7 +1,7 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | 1 | CONFIG_EXPERIMENTAL=y |
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | CONFIG_EMBEDDED=y | 4 | CONFIG_EXPERT=y |
| 5 | CONFIG_SLAB=y | 5 | CONFIG_SLAB=y |
| 6 | CONFIG_MODULES=y | 6 | CONFIG_MODULES=y |
| 7 | CONFIG_MODULE_UNLOAD=y | 7 | CONFIG_MODULE_UNLOAD=y |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_BSD_PROCESS_ACCT=y | 3 | CONFIG_BSD_PROCESS_ACCT=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | CONFIG_MODULES=y | 6 | CONFIG_MODULES=y |
| 7 | CONFIG_ARCH_EBSA110=y | 7 | CONFIG_ARCH_EBSA110=y |
| 8 | CONFIG_PCCARD=m | 8 | CONFIG_PCCARD=m |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | CONFIG_BLK_DEV_INITRD=y | 4 | CONFIG_BLK_DEV_INITRD=y |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | # CONFIG_HOTPLUG is not set | 6 | # CONFIG_HOTPLUG is not set |
| 7 | CONFIG_ARCH_CLPS711X=y | 7 | CONFIG_ARCH_CLPS711X=y |
| 8 | CONFIG_ARCH_EDB7211=y | 8 | CONFIG_ARCH_EDB7211=y |
| @@ -6,7 +6,7 @@ CONFIG_IKCONFIG_PROC=y · 5 unmodified lines | |||
| 6 | CONFIG_LOG_BUF_SHIFT=14 | 6 | CONFIG_LOG_BUF_SHIFT=14 |
| 7 | CONFIG_SYSFS_DEPRECATED_V2=y | 7 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 8 | CONFIG_BLK_DEV_INITRD=y | 8 | CONFIG_BLK_DEV_INITRD=y |
| 9 | CONFIG_EMBEDDED=y | 9 | CONFIG_EXPERT=y |
| 10 | # CONFIG_VM_EVENT_COUNTERS is not set | 10 | # CONFIG_VM_EVENT_COUNTERS is not set |
| 11 | # CONFIG_SLUB_DEBUG is not set | 11 | # CONFIG_SLUB_DEBUG is not set |
| 12 | # CONFIG_COMPAT_BRK is not set | 12 | # CONFIG_COMPAT_BRK is not set |
| @@ -4,7 +4,7 @@ CONFIG_IKCONFIG=y · 3 unmodified lines | |||
| 4 | CONFIG_IKCONFIG_PROC=y | 4 | CONFIG_IKCONFIG_PROC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | 6 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_SLAB=y | 8 | CONFIG_SLAB=y |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| 10 | CONFIG_MODULE_UNLOAD=y | 10 | CONFIG_MODULE_UNLOAD=y |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 4 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | # CONFIG_KALLSYMS is not set | 6 | # CONFIG_KALLSYMS is not set |
| 7 | # CONFIG_COMPAT_BRK is not set | 7 | # CONFIG_COMPAT_BRK is not set |
| 8 | CONFIG_SLAB=y | 8 | CONFIG_SLAB=y |
| @@ -7,7 +7,7 @@ CONFIG_SYSFS_DEPRECATED_V2=y · 6 unmodified lines | |||
| 7 | CONFIG_BLK_DEV_INITRD=y | 7 | CONFIG_BLK_DEV_INITRD=y |
| 8 | CONFIG_RD_BZIP2=y | 8 | CONFIG_RD_BZIP2=y |
| 9 | CONFIG_RD_LZMA=y | 9 | CONFIG_RD_LZMA=y |
| 10 | CONFIG_EMBEDDED=y | 10 | CONFIG_EXPERT=y |
| 11 | # CONFIG_COMPAT_BRK is not set | 11 | # CONFIG_COMPAT_BRK is not set |
| 12 | CONFIG_SLAB=y | 12 | CONFIG_SLAB=y |
| 13 | CONFIG_MODULES=y | 13 | CONFIG_MODULES=y |
| @@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y · 2 unmodified lines | |||
| 3 | CONFIG_BSD_PROCESS_ACCT=y | 3 | CONFIG_BSD_PROCESS_ACCT=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_BLK_DEV_INITRD=y | 5 | CONFIG_BLK_DEV_INITRD=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_HOTPLUG is not set | 7 | # CONFIG_HOTPLUG is not set |
| 8 | CONFIG_MODULES=y | 8 | CONFIG_MODULES=y |
| 9 | CONFIG_ARCH_FOOTBRIDGE=y | 9 | CONFIG_ARCH_FOOTBRIDGE=y |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | CONFIG_BLK_DEV_INITRD=y | 4 | CONFIG_BLK_DEV_INITRD=y |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | # CONFIG_HOTPLUG is not set | 6 | # CONFIG_HOTPLUG is not set |
| 7 | CONFIG_ARCH_CLPS711X=y | 7 | CONFIG_ARCH_CLPS711X=y |
| 8 | CONFIG_ARCH_FORTUNET=y | 8 | CONFIG_ARCH_FORTUNET=y |
| @@ -4,7 +4,7 @@ CONFIG_IKCONFIG=y · 3 unmodified lines | |||
| 4 | CONFIG_IKCONFIG_PROC=y | 4 | CONFIG_IKCONFIG_PROC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=16 | 5 | CONFIG_LOG_BUF_SHIFT=16 |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | # CONFIG_UID16 is not set | 8 | # CONFIG_UID16 is not set |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| @@ -1,73 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | # CONFIG_BLK_DEV_BSG is not set | ||
| 9 | CONFIG_ARCH_OMAP=y | ||
| 10 | CONFIG_ARCH_OMAP1=y | ||
| 11 | CONFIG_ARCH_OMAP850=y | ||
| 12 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 13 | CONFIG_MACH_HERALD=y | ||
| 14 | CONFIG_OMAP_ARM_195MHZ=y | ||
| 15 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 16 | CONFIG_CPU_ARM925T=y | ||
| 17 | CONFIG_PREEMPT=y | ||
| 18 | CONFIG_AEABI=y | ||
| 19 | CONFIG_LEDS=y | ||
| 20 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 21 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 22 | CONFIG_CMDLINE="mem=32M console=ttyS0,115200 ip=dhcp" | ||
| 23 | CONFIG_FPE_NWFPE=y | ||
| 24 | CONFIG_PM=y | ||
| 25 | CONFIG_NET=y | ||
| 26 | CONFIG_PACKET=y | ||
| 27 | CONFIG_UNIX=y | ||
| 28 | CONFIG_INET=y | ||
| 29 | CONFIG_IP_MULTICAST=y | ||
| 30 | CONFIG_IP_PNP=y | ||
| 31 | CONFIG_IP_PNP_DHCP=y | ||
| 32 | CONFIG_IP_PNP_BOOTP=y | ||
| 33 | # CONFIG_IPV6 is not set | ||
| 34 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 35 | CONFIG_BLK_DEV_LOOP=y | ||
| 36 | CONFIG_BLK_DEV_RAM=y | ||
| 37 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 38 | CONFIG_NETDEVICES=y | ||
| 39 | CONFIG_NET_ETHERNET=y | ||
| 40 | CONFIG_SMC91X=y | ||
| 41 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 42 | CONFIG_KEYBOARD_OMAP=y | ||
| 43 | # CONFIG_INPUT_MOUSE is not set | ||
| 44 | CONFIG_SERIAL_8250=m | ||
| 45 | # CONFIG_LEGACY_PTYS is not set | ||
| 46 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 47 | CONFIG_FB=y | ||
| 48 | CONFIG_FB_MODE_HELPERS=y | ||
| 49 | CONFIG_FB_OMAP=y | ||
| 50 | # CONFIG_VGA_CONSOLE is not set | ||
| 51 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 52 | CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y | ||
| 53 | CONFIG_FONTS=y | ||
| 54 | CONFIG_FONT_MINI_4x6=y | ||
| 55 | CONFIG_USB_GADGET=y | ||
| 56 | CONFIG_USB_ETH=m | ||
| 57 | # CONFIG_USB_ETH_RNDIS is not set | ||
| 58 | CONFIG_MMC=y | ||
| 59 | CONFIG_MMC_SDHCI=y | ||
| 60 | CONFIG_MMC_SDHCI_PLTFM=y | ||
| 61 | CONFIG_MMC_OMAP=y | ||
| 62 | CONFIG_RTC_CLASS=y | ||
| 63 | CONFIG_EXT2_FS=y | ||
| 64 | CONFIG_EXT3_FS=y | ||
| 65 | CONFIG_INOTIFY=y | ||
| 66 | CONFIG_TMPFS=y | ||
| 67 | CONFIG_NFS_FS=y | ||
| 68 | CONFIG_ROOT_NFS=y | ||
| 69 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 70 | CONFIG_CRYPTO_DEFLATE=y | ||
| 71 | CONFIG_CRYPTO_ZLIB=y | ||
| 72 | CONFIG_CRYPTO_LZO=y | ||
| 73 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | ||
| @@ -6,7 +6,7 @@ CONFIG_SYSFS_DEPRECATED_V2=y · 5 unmodified lines | |||
| 6 | CONFIG_BLK_DEV_INITRD=y | 6 | CONFIG_BLK_DEV_INITRD=y |
| 7 | CONFIG_RD_BZIP2=y | 7 | CONFIG_RD_BZIP2=y |
| 8 | CONFIG_RD_LZMA=y | 8 | CONFIG_RD_LZMA=y |
| 9 | CONFIG_EMBEDDED=y | 9 | CONFIG_EXPERT=y |
| 10 | # CONFIG_COMPAT_BRK is not set | 10 | # CONFIG_COMPAT_BRK is not set |
| 11 | CONFIG_SLAB=y | 11 | CONFIG_SLAB=y |
| 12 | CONFIG_MODULES=y | 12 | CONFIG_MODULES=y |
| @@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y · 2 unmodified lines | |||
| 3 | CONFIG_BSD_PROCESS_ACCT=y | 3 | CONFIG_BSD_PROCESS_ACCT=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_BLK_DEV_INITRD=y | 5 | CONFIG_BLK_DEV_INITRD=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_HOTPLUG is not set | 7 | # CONFIG_HOTPLUG is not set |
| 8 | CONFIG_SLAB=y | 8 | CONFIG_SLAB=y |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| @@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y · 2 unmodified lines | |||
| 3 | CONFIG_BSD_PROCESS_ACCT=y | 3 | CONFIG_BSD_PROCESS_ACCT=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_BLK_DEV_INITRD=y | 5 | CONFIG_BLK_DEV_INITRD=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | CONFIG_SLAB=y | 7 | CONFIG_SLAB=y |
| 8 | CONFIG_MODULES=y | 8 | CONFIG_MODULES=y |
| 9 | CONFIG_MODULE_UNLOAD=y | 9 | CONFIG_MODULE_UNLOAD=y |
| @@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y · 2 unmodified lines | |||
| 3 | CONFIG_BSD_PROCESS_ACCT=y | 3 | CONFIG_BSD_PROCESS_ACCT=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_BLK_DEV_INITRD=y | 5 | CONFIG_BLK_DEV_INITRD=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | CONFIG_MODULES=y | 7 | CONFIG_MODULES=y |
| 8 | CONFIG_MODVERSIONS=y | 8 | CONFIG_MODVERSIONS=y |
| 9 | # CONFIG_BLK_DEV_BSG is not set | 9 | # CONFIG_BLK_DEV_BSG is not set |
| @@ -1,7 +1,7 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | 1 | CONFIG_EXPERIMENTAL=y |
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | CONFIG_EMBEDDED=y | 4 | CONFIG_EXPERT=y |
| 5 | CONFIG_SLAB=y | 5 | CONFIG_SLAB=y |
| 6 | CONFIG_MODULES=y | 6 | CONFIG_MODULES=y |
| 7 | CONFIG_MODULE_UNLOAD=y | 7 | CONFIG_MODULE_UNLOAD=y |
| @@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_IKCONFIG=y | 4 | CONFIG_IKCONFIG=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_HOTPLUG is not set | 7 | # CONFIG_HOTPLUG is not set |
| 8 | # CONFIG_EPOLL is not set | 8 | # CONFIG_EPOLL is not set |
| 9 | # CONFIG_IOSCHED_DEADLINE is not set | 9 | # CONFIG_IOSCHED_DEADLINE is not set |
| @@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_IKCONFIG=y | 4 | CONFIG_IKCONFIG=y |
| 5 | CONFIG_LOG_BUF_SHIFT=16 | 5 | CONFIG_LOG_BUF_SHIFT=16 |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_HOTPLUG is not set | 7 | # CONFIG_HOTPLUG is not set |
| 8 | # CONFIG_EPOLL is not set | 8 | # CONFIG_EPOLL is not set |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| @@ -0,0 +1,138 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_IKCONFIG=y | ||
| 4 | CONFIG_IKCONFIG_PROC=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=16 | ||
| 6 | # CONFIG_UTS_NS is not set | ||
| 7 | # CONFIG_IPC_NS is not set | ||
| 8 | # CONFIG_USER_NS is not set | ||
| 9 | # CONFIG_PID_NS is not set | ||
| 10 | # CONFIG_NET_NS is not set | ||
| 11 | CONFIG_SLAB=y | ||
| 12 | CONFIG_MODULES=y | ||
| 13 | CONFIG_MODULE_UNLOAD=y | ||
| 14 | # CONFIG_BLK_DEV_BSG is not set | ||
| 15 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 16 | # CONFIG_IOSCHED_CFQ is not set | ||
| 17 | CONFIG_ARCH_SHMOBILE=y | ||
| 18 | CONFIG_ARCH_SH7372=y | ||
| 19 | CONFIG_MACH_MACKEREL=y | ||
| 20 | CONFIG_MEMORY_SIZE=0x10000000 | ||
| 21 | CONFIG_AEABI=y | ||
| 22 | # CONFIG_OABI_COMPAT is not set | ||
| 23 | CONFIG_FORCE_MAX_ZONEORDER=15 | ||
| 24 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 25 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 26 | CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 earlyprintk=sh-sci.0,115200 root=/dev/nfs nfsroot=,tcp,v3 ip=dhcp memchunk.vpu=64m memchunk.veu0=8m memchunk.spu0=2m mem=240m" | ||
| 27 | CONFIG_KEXEC=y | ||
| 28 | # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set | ||
| 29 | CONFIG_PM=y | ||
| 30 | CONFIG_PM_RUNTIME=y | ||
| 31 | CONFIG_NET=y | ||
| 32 | CONFIG_PACKET=y | ||
| 33 | CONFIG_UNIX=y | ||
| 34 | CONFIG_INET=y | ||
| 35 | CONFIG_IP_MULTICAST=y | ||
| 36 | CONFIG_IP_PNP=y | ||
| 37 | CONFIG_IP_PNP_DHCP=y | ||
| 38 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 39 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 40 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 41 | # CONFIG_IPV6 is not set | ||
| 42 | # CONFIG_WIRELESS is not set | ||
| 43 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 44 | # CONFIG_FIRMWARE_IN_KERNEL is not set | ||
| 45 | CONFIG_MTD=y | ||
| 46 | CONFIG_MTD_CONCAT=y | ||
| 47 | CONFIG_MTD_PARTITIONS=y | ||
| 48 | CONFIG_MTD_CHAR=y | ||
| 49 | CONFIG_MTD_BLOCK=y | ||
| 50 | CONFIG_MTD_CFI=y | ||
| 51 | CONFIG_MTD_CFI_ADV_OPTIONS=y | ||
| 52 | CONFIG_MTD_CFI_INTELEXT=y | ||
| 53 | CONFIG_MTD_PHYSMAP=y | ||
| 54 | CONFIG_MTD_ARM_INTEGRATOR=y | ||
| 55 | CONFIG_MTD_BLOCK2MTD=y | ||
| 56 | CONFIG_SCSI=y | ||
| 57 | CONFIG_BLK_DEV_SD=y | ||
| 58 | # CONFIG_SCSI_LOWLEVEL is not set | ||
| 59 | CONFIG_NETDEVICES=y | ||
| 60 | CONFIG_NET_ETHERNET=y | ||
| 61 | CONFIG_SMSC911X=y | ||
| 62 | # CONFIG_NETDEV_1000 is not set | ||
| 63 | # CONFIG_NETDEV_10000 is not set | ||
| 64 | # CONFIG_WLAN is not set | ||
| 65 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | ||
| 66 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 67 | # CONFIG_INPUT_MOUSE is not set | ||
| 68 | CONFIG_SERIAL_SH_SCI=y | ||
| 69 | CONFIG_SERIAL_SH_SCI_NR_UARTS=8 | ||
| 70 | CONFIG_SERIAL_SH_SCI_CONSOLE=y | ||
| 71 | # CONFIG_LEGACY_PTYS is not set | ||
| 72 | # CONFIG_HW_RANDOM is not set | ||
| 73 | # CONFIG_HWMON is not set | ||
| 74 | # CONFIG_MFD_SUPPORT is not set | ||
| 75 | CONFIG_FB=y | ||
| 76 | CONFIG_FB_MODE_HELPERS=y | ||
| 77 | CONFIG_FB_SH_MOBILE_LCDC=y | ||
| 78 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 79 | CONFIG_LOGO=y | ||
| 80 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 81 | # CONFIG_LOGO_LINUX_CLUT224 is not set | ||
| 82 | # CONFIG_HID_SUPPORT is not set | ||
| 83 | # CONFIG_USB_SUPPORT is not set | ||
| 84 | CONFIG_EXT2_FS=y | ||
| 85 | CONFIG_EXT2_FS_XATTR=y | ||
| 86 | CONFIG_EXT2_FS_POSIX_ACL=y | ||
| 87 | CONFIG_EXT2_FS_SECURITY=y | ||
| 88 | CONFIG_EXT2_FS_XIP=y | ||
| 89 | CONFIG_EXT3_FS=y | ||
| 90 | # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set | ||
| 91 | CONFIG_EXT3_FS_POSIX_ACL=y | ||
| 92 | CONFIG_EXT3_FS_SECURITY=y | ||
| 93 | # CONFIG_DNOTIFY is not set | ||
| 94 | # CONFIG_INOTIFY_USER is not set | ||
| 95 | CONFIG_MSDOS_FS=y | ||
| 96 | CONFIG_VFAT_FS=y | ||
| 97 | CONFIG_TMPFS=y | ||
| 98 | # CONFIG_MISC_FILESYSTEMS is not set | ||
| 99 | CONFIG_NFS_FS=y | ||
| 100 | CONFIG_NFS_V3=y | ||
| 101 | CONFIG_NFS_V3_ACL=y | ||
| 102 | CONFIG_NFS_V4=y | ||
| 103 | CONFIG_NFS_V4_1=y | ||
| 104 | CONFIG_ROOT_NFS=y | ||
| 105 | CONFIG_NLS_CODEPAGE_437=y | ||
| 106 | CONFIG_NLS_CODEPAGE_737=y | ||
| 107 | CONFIG_NLS_CODEPAGE_775=y | ||
| 108 | CONFIG_NLS_CODEPAGE_850=y | ||
| 109 | CONFIG_NLS_CODEPAGE_852=y | ||
| 110 | CONFIG_NLS_CODEPAGE_855=y | ||
| 111 | CONFIG_NLS_CODEPAGE_857=y | ||
| 112 | CONFIG_NLS_CODEPAGE_860=y | ||
| 113 | CONFIG_NLS_CODEPAGE_861=y | ||
| 114 | CONFIG_NLS_CODEPAGE_862=y | ||
| 115 | CONFIG_NLS_CODEPAGE_863=y | ||
| 116 | CONFIG_NLS_CODEPAGE_864=y | ||
| 117 | CONFIG_NLS_CODEPAGE_865=y | ||
| 118 | CONFIG_NLS_CODEPAGE_866=y | ||
| 119 | CONFIG_NLS_CODEPAGE_869=y | ||
| 120 | CONFIG_NLS_ISO8859_1=y | ||
| 121 | CONFIG_NLS_ISO8859_2=y | ||
| 122 | CONFIG_NLS_ISO8859_3=y | ||
| 123 | CONFIG_NLS_ISO8859_4=y | ||
| 124 | CONFIG_NLS_ISO8859_5=y | ||
| 125 | CONFIG_NLS_ISO8859_6=y | ||
| 126 | CONFIG_NLS_ISO8859_7=y | ||
| 127 | CONFIG_NLS_ISO8859_9=y | ||
| 128 | CONFIG_NLS_ISO8859_13=y | ||
| 129 | CONFIG_NLS_ISO8859_14=y | ||
| 130 | CONFIG_NLS_ISO8859_15=y | ||
| 131 | CONFIG_NLS_KOI8_R=y | ||
| 132 | CONFIG_NLS_KOI8_U=y | ||
| 133 | CONFIG_NLS_UTF8=y | ||
| 134 | # CONFIG_ENABLE_WARN_DEPRECATED is not set | ||
| 135 | # CONFIG_ENABLE_MUST_CHECK is not set | ||
| 136 | # CONFIG_ARM_UNWIND is not set | ||
| 137 | CONFIG_CRYPTO=y | ||
| 138 | CONFIG_CRYPTO_ANSI_CPRNG=y | ||
| @@ -4,7 +4,7 @@ CONFIG_IKCONFIG=y · 3 unmodified lines | |||
| 4 | CONFIG_IKCONFIG_PROC=y | 4 | CONFIG_IKCONFIG_PROC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=16 | 5 | CONFIG_LOG_BUF_SHIFT=16 |
| 6 | CONFIG_BLK_DEV_INITRD=y | 6 | CONFIG_BLK_DEV_INITRD=y |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | # CONFIG_UID16 is not set | 8 | # CONFIG_UID16 is not set |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | CONFIG_SYSFS_DEPRECATED_V2=y | 4 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | CONFIG_KALLSYMS_ALL=y | 6 | CONFIG_KALLSYMS_ALL=y |
| 7 | # CONFIG_SLUB_DEBUG is not set | 7 | # CONFIG_SLUB_DEBUG is not set |
| 8 | CONFIG_PROFILING=y | 8 | CONFIG_PROFILING=y |
| @@ -4,7 +4,7 @@ CONFIG_IKCONFIG=y · 3 unmodified lines | |||
| 4 | CONFIG_IKCONFIG_PROC=y | 4 | CONFIG_IKCONFIG_PROC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | 6 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_SLAB=y | 8 | CONFIG_SLAB=y |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| 10 | CONFIG_MODULE_UNLOAD=y | 10 | CONFIG_MODULE_UNLOAD=y |
| @@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y · 3 unmodified lines | |||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_SYSFS_DEPRECATED_V2=y | 5 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_KALLSYMS_EXTRA_PASS=y | 8 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| @@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y · 3 unmodified lines | |||
| 4 | CONFIG_POSIX_MQUEUE=y | 4 | CONFIG_POSIX_MQUEUE=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_KALLSYMS_EXTRA_PASS=y | 8 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 9 | # CONFIG_COMPAT_BRK is not set | 9 | # CONFIG_COMPAT_BRK is not set |
| 10 | CONFIG_SLAB=y | 10 | CONFIG_SLAB=y |
| @@ -4,7 +4,7 @@ CONFIG_IKCONFIG=y · 3 unmodified lines | |||
| 4 | CONFIG_IKCONFIG_PROC=y | 4 | CONFIG_IKCONFIG_PROC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | 6 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_SLAB=y | 8 | CONFIG_SLAB=y |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| 10 | CONFIG_MODULE_UNLOAD=y | 10 | CONFIG_MODULE_UNLOAD=y |
| @@ -84,6 +84,7 @@ CONFIG_SERIAL_IMX_CONSOLE=y · 73 unmodified lines | |||
| 84 | CONFIG_I2C=y | 84 | CONFIG_I2C=y |
| 85 | CONFIG_I2C_CHARDEV=y | 85 | CONFIG_I2C_CHARDEV=y |
| 86 | CONFIG_I2C_IMX=y | 86 | CONFIG_I2C_IMX=y |
| 87 | CONFIG_SPI=y | ||
| 87 | CONFIG_W1=y | 88 | CONFIG_W1=y |
| 88 | CONFIG_W1_MASTER_MXC=y | 89 | CONFIG_W1_MASTER_MXC=y |
| 89 | CONFIG_W1_SLAVE_THERM=y | 90 | CONFIG_W1_SLAVE_THERM=y |
| @@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_LOG_BUF_SHIFT=18 | 4 | CONFIG_LOG_BUF_SHIFT=18 |
| 5 | CONFIG_RELAY=y | 5 | CONFIG_RELAY=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_SLUB_DEBUG is not set | 7 | # CONFIG_SLUB_DEBUG is not set |
| 8 | # CONFIG_COMPAT_BRK is not set | 8 | # CONFIG_COMPAT_BRK is not set |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| @@ -1,138 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_POSIX_MQUEUE=y | ||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | # CONFIG_BLK_DEV_BSG is not set | ||
| 9 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 10 | CONFIG_ARCH_OMAP=y | ||
| 11 | CONFIG_ARCH_OMAP1=y | ||
| 12 | CONFIG_OMAP_RESET_CLOCKS=y | ||
| 13 | # CONFIG_OMAP_MUX is not set | ||
| 14 | CONFIG_OMAP_MBOX_FWK=y | ||
| 15 | CONFIG_OMAP_32K_TIMER=y | ||
| 16 | CONFIG_OMAP_DM_TIMER=y | ||
| 17 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 18 | CONFIG_ARCH_OMAP16XX=y | ||
| 19 | CONFIG_MACH_NOKIA770=y | ||
| 20 | CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y | ||
| 21 | CONFIG_OMAP_ARM_216MHZ=y | ||
| 22 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 23 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 24 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 25 | CONFIG_CMDLINE="root=1f03 rootfstype=jffs2 time" | ||
| 26 | CONFIG_FPE_NWFPE=y | ||
| 27 | CONFIG_PM=y | ||
| 28 | CONFIG_PM_RUNTIME=y | ||
| 29 | CONFIG_NET=y | ||
| 30 | CONFIG_PACKET=y | ||
| 31 | CONFIG_UNIX=y | ||
| 32 | CONFIG_INET=y | ||
| 33 | CONFIG_IP_MULTICAST=y | ||
| 34 | CONFIG_IP_PNP=y | ||
| 35 | CONFIG_IP_PNP_DHCP=y | ||
| 36 | CONFIG_IP_PNP_BOOTP=y | ||
| 37 | # CONFIG_INET_LRO is not set | ||
| 38 | # CONFIG_INET_DIAG is not set | ||
| 39 | # CONFIG_IPV6 is not set | ||
| 40 | CONFIG_NETFILTER=y | ||
| 41 | CONFIG_BT=y | ||
| 42 | CONFIG_BT_L2CAP=y | ||
| 43 | CONFIG_BT_SCO=y | ||
| 44 | CONFIG_BT_RFCOMM=y | ||
| 45 | CONFIG_BT_RFCOMM_TTY=y | ||
| 46 | CONFIG_BT_BNEP=y | ||
| 47 | CONFIG_BT_HIDP=y | ||
| 48 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 49 | CONFIG_CONNECTOR=y | ||
| 50 | # CONFIG_PROC_EVENTS is not set | ||
| 51 | CONFIG_MTD=y | ||
| 52 | CONFIG_MTD_PARTITIONS=y | ||
| 53 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 54 | CONFIG_MTD_CHAR=y | ||
| 55 | CONFIG_MTD_BLOCK=y | ||
| 56 | CONFIG_MTD_NAND=y | ||
| 57 | CONFIG_BLK_DEV_LOOP=y | ||
| 58 | CONFIG_SCSI=y | ||
| 59 | # CONFIG_SCSI_PROC_FS is not set | ||
| 60 | CONFIG_BLK_DEV_SD=y | ||
| 61 | CONFIG_NETDEVICES=y | ||
| 62 | CONFIG_TUN=y | ||
| 63 | CONFIG_NET_ETHERNET=y | ||
| 64 | CONFIG_USB_USBNET=y | ||
| 65 | # CONFIG_USB_NET_AX8817X is not set | ||
| 66 | # CONFIG_USB_NET_CDC_SUBSET is not set | ||
| 67 | CONFIG_PPP=y | ||
| 68 | CONFIG_PPP_FILTER=y | ||
| 69 | CONFIG_PPP_ASYNC=y | ||
| 70 | CONFIG_PPP_DEFLATE=y | ||
| 71 | CONFIG_PPP_BSDCOMP=y | ||
| 72 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | ||
| 73 | CONFIG_INPUT_EVDEV=y | ||
| 74 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 75 | CONFIG_KEYBOARD_OMAP=y | ||
| 76 | # CONFIG_INPUT_MOUSE is not set | ||
| 77 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 78 | CONFIG_TOUCHSCREEN_ADS7846=y | ||
| 79 | CONFIG_SERIAL_8250=y | ||
| 80 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 81 | # CONFIG_LEGACY_PTYS is not set | ||
| 82 | CONFIG_I2C=y | ||
| 83 | CONFIG_I2C_OMAP=y | ||
| 84 | CONFIG_SPI=y | ||
| 85 | CONFIG_SPI_OMAP_UWIRE=y | ||
| 86 | # CONFIG_HWMON is not set | ||
| 87 | CONFIG_WATCHDOG=y | ||
| 88 | CONFIG_WATCHDOG_NOWAYOUT=y | ||
| 89 | CONFIG_OMAP_WATCHDOG=y | ||
| 90 | CONFIG_FB=y | ||
| 91 | CONFIG_FB_OMAP=y | ||
| 92 | CONFIG_FB_OMAP_LCDC_EXTERNAL=y | ||
| 93 | CONFIG_FB_OMAP_LCDC_HWA742=y | ||
| 94 | CONFIG_FB_OMAP_MANUAL_UPDATE=y | ||
| 95 | CONFIG_FB_OMAP_LCD_MIPID=y | ||
| 96 | # CONFIG_VGA_CONSOLE is not set | ||
| 97 | CONFIG_SOUND=y | ||
| 98 | CONFIG_SND=y | ||
| 99 | # CONFIG_SND_SUPPORT_OLD_API is not set | ||
| 100 | CONFIG_SND_DUMMY=y | ||
| 101 | CONFIG_SND_USB_AUDIO=y | ||
| 102 | CONFIG_USB=y | ||
| 103 | CONFIG_USB_DEVICEFS=y | ||
| 104 | CONFIG_USB_SUSPEND=y | ||
| 105 | CONFIG_USB_OTG=y | ||
| 106 | # CONFIG_USB_OTG_WHITELIST is not set | ||
| 107 | CONFIG_USB_OHCI_HCD=y | ||
| 108 | CONFIG_USB_STORAGE=y | ||
| 109 | CONFIG_USB_SERIAL=y | ||
| 110 | CONFIG_USB_SERIAL_CONSOLE=y | ||
| 111 | CONFIG_USB_SERIAL_PL2303=y | ||
| 112 | CONFIG_USB_GADGET=y | ||
| 113 | CONFIG_USB_ETH=m | ||
| 114 | CONFIG_USB_FILE_STORAGE=m | ||
| 115 | CONFIG_USB_FILE_STORAGE_TEST=y | ||
| 116 | CONFIG_MMC=y | ||
| 117 | CONFIG_MMC_OMAP=y | ||
| 118 | CONFIG_EXT2_FS=y | ||
| 119 | CONFIG_EXT3_FS=y | ||
| 120 | CONFIG_MSDOS_FS=y | ||
| 121 | CONFIG_VFAT_FS=y | ||
| 122 | CONFIG_TMPFS=y | ||
| 123 | CONFIG_JFFS2_FS=y | ||
| 124 | CONFIG_JFFS2_SUMMARY=y | ||
| 125 | CONFIG_JFFS2_COMPRESSION_OPTIONS=y | ||
| 126 | CONFIG_NFS_FS=y | ||
| 127 | CONFIG_NFS_V3=y | ||
| 128 | CONFIG_PARTITION_ADVANCED=y | ||
| 129 | CONFIG_NLS_CODEPAGE_437=y | ||
| 130 | CONFIG_NLS_CODEPAGE_852=y | ||
| 131 | CONFIG_NLS_ISO8859_1=y | ||
| 132 | CONFIG_NLS_ISO8859_15=y | ||
| 133 | CONFIG_NLS_UTF8=y | ||
| 134 | CONFIG_MAGIC_SYSRQ=y | ||
| 135 | CONFIG_DEBUG_KERNEL=y | ||
| 136 | CONFIG_DEBUG_MUTEXES=y | ||
| 137 | CONFIG_DEBUG_ERRORS=y | ||
| 138 | CONFIG_SECURITY=y | ||
| @@ -7,7 +7,7 @@ CONFIG_IKCONFIG_PROC=y · 6 unmodified lines | |||
| 7 | CONFIG_LOG_BUF_SHIFT=14 | 7 | CONFIG_LOG_BUF_SHIFT=14 |
| 8 | CONFIG_SYSFS_DEPRECATED_V2=y | 8 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 9 | CONFIG_BLK_DEV_INITRD=y | 9 | CONFIG_BLK_DEV_INITRD=y |
| 10 | CONFIG_EMBEDDED=y | 10 | CONFIG_EXPERT=y |
| 11 | CONFIG_KALLSYMS_ALL=y | 11 | CONFIG_KALLSYMS_ALL=y |
| 12 | CONFIG_SLAB=y | 12 | CONFIG_SLAB=y |
| 13 | CONFIG_MODULES=y | 13 | CONFIG_MODULES=y |
| @@ -0,0 +1,286 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | # CONFIG_SWAP is not set | ||
| 3 | CONFIG_SYSVIPC=y | ||
| 4 | CONFIG_POSIX_MQUEUE=y | ||
| 5 | CONFIG_BSD_PROCESS_ACCT=y | ||
| 6 | CONFIG_IKCONFIG=y | ||
| 7 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 8 | CONFIG_BLK_DEV_INITRD=y | ||
| 9 | CONFIG_EXPERT=y | ||
| 10 | # CONFIG_KALLSYMS is not set | ||
| 11 | # CONFIG_ELF_CORE is not set | ||
| 12 | # CONFIG_BASE_FULL is not set | ||
| 13 | # CONFIG_SHMEM is not set | ||
| 14 | # CONFIG_VM_EVENT_COUNTERS is not set | ||
| 15 | CONFIG_SLOB=y | ||
| 16 | CONFIG_PROFILING=y | ||
| 17 | CONFIG_OPROFILE=y | ||
| 18 | CONFIG_MODULES=y | ||
| 19 | CONFIG_MODULE_UNLOAD=y | ||
| 20 | CONFIG_MODULE_FORCE_UNLOAD=y | ||
| 21 | # CONFIG_LBDAF is not set | ||
| 22 | # CONFIG_BLK_DEV_BSG is not set | ||
| 23 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 24 | # CONFIG_IOSCHED_CFQ is not set | ||
| 25 | CONFIG_ARCH_OMAP=y | ||
| 26 | CONFIG_ARCH_OMAP1=y | ||
| 27 | CONFIG_OMAP_RESET_CLOCKS=y | ||
| 28 | # CONFIG_OMAP_MUX is not set | ||
| 29 | CONFIG_OMAP_MBOX_FWK=y | ||
| 30 | CONFIG_OMAP_32K_TIMER=y | ||
| 31 | CONFIG_OMAP_DM_TIMER=y | ||
| 32 | CONFIG_ARCH_OMAP730=y | ||
| 33 | CONFIG_ARCH_OMAP850=y | ||
| 34 | CONFIG_ARCH_OMAP16XX=y | ||
| 35 | CONFIG_MACH_OMAP_INNOVATOR=y | ||
| 36 | CONFIG_MACH_OMAP_H2=y | ||
| 37 | CONFIG_MACH_OMAP_H3=y | ||
| 38 | CONFIG_MACH_OMAP_HTCWIZARD=y | ||
| 39 | CONFIG_MACH_HERALD=y | ||
| 40 | CONFIG_MACH_OMAP_OSK=y | ||
| 41 | CONFIG_MACH_OMAP_PERSEUS2=y | ||
| 42 | CONFIG_MACH_OMAP_FSAMPLE=y | ||
| 43 | CONFIG_MACH_VOICEBLUE=y | ||
| 44 | CONFIG_MACH_OMAP_PALMTE=y | ||
| 45 | CONFIG_MACH_OMAP_PALMZ71=y | ||
| 46 | CONFIG_MACH_OMAP_PALMTT=y | ||
| 47 | CONFIG_MACH_SX1=y | ||
| 48 | CONFIG_MACH_NOKIA770=y | ||
| 49 | CONFIG_MACH_AMS_DELTA=y | ||
| 50 | CONFIG_MACH_OMAP_GENERIC=y | ||
| 51 | CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y | ||
| 52 | CONFIG_OMAP_ARM_216MHZ=y | ||
| 53 | CONFIG_OMAP_ARM_195MHZ=y | ||
| 54 | CONFIG_OMAP_ARM_192MHZ=y | ||
| 55 | CONFIG_OMAP_ARM_182MHZ=y | ||
| 56 | CONFIG_OMAP_ARM_168MHZ=y | ||
| 57 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 58 | # CONFIG_ARM_THUMB is not set | ||
| 59 | CONFIG_PCCARD=y | ||
| 60 | CONFIG_OMAP_CF=y | ||
| 61 | CONFIG_NO_HZ=y | ||
| 62 | CONFIG_HIGH_RES_TIMERS=y | ||
| 63 | CONFIG_PREEMPT=y | ||
| 64 | CONFIG_AEABI=y | ||
| 65 | CONFIG_LEDS=y | ||
| 66 | CONFIG_LEDS_CPU=y | ||
| 67 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 68 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 69 | CONFIG_CMDLINE="root=1f03 rootfstype=jffs2" | ||
| 70 | CONFIG_FPE_NWFPE=y | ||
| 71 | CONFIG_BINFMT_MISC=y | ||
| 72 | CONFIG_PM=y | ||
| 73 | # CONFIG_SUSPEND is not set | ||
| 74 | CONFIG_PM_RUNTIME=y | ||
| 75 | CONFIG_NET=y | ||
| 76 | CONFIG_PACKET=y | ||
| 77 | CONFIG_UNIX=y | ||
| 78 | CONFIG_NET_KEY=y | ||
| 79 | CONFIG_INET=y | ||
| 80 | CONFIG_IP_MULTICAST=y | ||
| 81 | CONFIG_IP_PNP=y | ||
| 82 | CONFIG_IP_PNP_DHCP=y | ||
| 83 | CONFIG_IP_PNP_BOOTP=y | ||
| 84 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 85 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 86 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 87 | # CONFIG_INET_LRO is not set | ||
| 88 | # CONFIG_INET_DIAG is not set | ||
| 89 | CONFIG_IPV6=y | ||
| 90 | CONFIG_NETFILTER=y | ||
| 91 | CONFIG_BT=y | ||
| 92 | CONFIG_BT_L2CAP=y | ||
| 93 | CONFIG_BT_SCO=y | ||
| 94 | CONFIG_BT_RFCOMM=y | ||
| 95 | CONFIG_BT_RFCOMM_TTY=y | ||
| 96 | CONFIG_BT_BNEP=y | ||
| 97 | CONFIG_BT_HIDP=y | ||
| 98 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 99 | # CONFIG_STANDALONE is not set | ||
| 100 | # CONFIG_PREVENT_FIRMWARE_BUILD is not set | ||
| 101 | CONFIG_CONNECTOR=y | ||
| 102 | # CONFIG_PROC_EVENTS is not set | ||
| 103 | CONFIG_MTD=y | ||
| 104 | CONFIG_MTD_DEBUG=y | ||
| 105 | CONFIG_MTD_DEBUG_VERBOSE=3 | ||
| 106 | CONFIG_MTD_PARTITIONS=y | ||
| 107 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 108 | CONFIG_MTD_CHAR=y | ||
| 109 | CONFIG_MTD_BLOCK=y | ||
| 110 | CONFIG_MTD_CFI=y | ||
| 111 | CONFIG_MTD_CFI_INTELEXT=y | ||
| 112 | CONFIG_MTD_NAND=y | ||
| 113 | CONFIG_BLK_DEV_LOOP=y | ||
| 114 | CONFIG_BLK_DEV_RAM=y | ||
| 115 | CONFIG_BLK_DEV_RAM_COUNT=2 | ||
| 116 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 117 | CONFIG_IDE=m | ||
| 118 | CONFIG_BLK_DEV_IDECS=m | ||
| 119 | CONFIG_SCSI=y | ||
| 120 | # CONFIG_SCSI_PROC_FS is not set | ||
| 121 | CONFIG_BLK_DEV_SD=y | ||
| 122 | CONFIG_CHR_DEV_ST=y | ||
| 123 | CONFIG_BLK_DEV_SR=y | ||
| 124 | CONFIG_CHR_DEV_SG=y | ||
| 125 | CONFIG_SCSI_MULTI_LUN=y | ||
| 126 | CONFIG_NETDEVICES=y | ||
| 127 | CONFIG_TUN=y | ||
| 128 | CONFIG_PHYLIB=y | ||
| 129 | CONFIG_NET_ETHERNET=y | ||
| 130 | CONFIG_SMC91X=y | ||
| 131 | CONFIG_USB_CATC=y | ||
| 132 | CONFIG_USB_KAWETH=y | ||
| 133 | CONFIG_USB_PEGASUS=y | ||
| 134 | CONFIG_USB_RTL8150=y | ||
| 135 | CONFIG_USB_USBNET=y | ||
| 136 | # CONFIG_USB_NET_AX8817X is not set | ||
| 137 | # CONFIG_USB_NET_CDC_SUBSET is not set | ||
| 138 | CONFIG_PPP=y | ||
| 139 | CONFIG_PPP_MULTILINK=y | ||
| 140 | CONFIG_PPP_FILTER=y | ||
| 141 | CONFIG_PPP_ASYNC=y | ||
| 142 | CONFIG_PPP_DEFLATE=y | ||
| 143 | CONFIG_PPP_BSDCOMP=y | ||
| 144 | CONFIG_SLIP=y | ||
| 145 | CONFIG_SLIP_COMPRESSED=y | ||
| 146 | # CONFIG_INPUT_MOUSEDEV is not set | ||
| 147 | CONFIG_INPUT_EVDEV=y | ||
| 148 | CONFIG_INPUT_EVBUG=y | ||
| 149 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 150 | # CONFIG_INPUT_MOUSE is not set | ||
| 151 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 152 | CONFIG_TOUCHSCREEN_ADS7846=y | ||
| 153 | CONFIG_INPUT_MISC=y | ||
| 154 | CONFIG_INPUT_UINPUT=y | ||
| 155 | # CONFIG_SERIO is not set | ||
| 156 | CONFIG_SERIAL_8250=y | ||
| 157 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 158 | CONFIG_SERIAL_8250_NR_UARTS=3 | ||
| 159 | CONFIG_SERIAL_8250_RUNTIME_UARTS=3 | ||
| 160 | # CONFIG_LEGACY_PTYS is not set | ||
| 161 | CONFIG_HW_RANDOM=y | ||
| 162 | CONFIG_I2C=y | ||
| 163 | CONFIG_I2C_CHARDEV=y | ||
| 164 | CONFIG_SPI=y | ||
| 165 | CONFIG_SPI_OMAP_UWIRE=y | ||
| 166 | # CONFIG_HWMON is not set | ||
| 167 | CONFIG_WATCHDOG=y | ||
| 168 | CONFIG_WATCHDOG_NOWAYOUT=y | ||
| 169 | CONFIG_OMAP_WATCHDOG=y | ||
| 170 | CONFIG_VIDEO_OUTPUT_CONTROL=y | ||
| 171 | CONFIG_FB=y | ||
| 172 | CONFIG_FIRMWARE_EDID=y | ||
| 173 | CONFIG_FB_MODE_HELPERS=y | ||
| 174 | CONFIG_FB_VIRTUAL=y | ||
| 175 | CONFIG_FB_OMAP=y | ||
| 176 | CONFIG_FB_OMAP_LCDC_EXTERNAL=y | ||
| 177 | CONFIG_FB_OMAP_LCDC_HWA742=y | ||
| 178 | CONFIG_FB_OMAP_MANUAL_UPDATE=y | ||
| 179 | CONFIG_FB_OMAP_LCD_MIPID=y | ||
| 180 | CONFIG_FB_OMAP_BOOTLOADER_INIT=y | ||
| 181 | CONFIG_BACKLIGHT_LCD_SUPPORT=y | ||
| 182 | CONFIG_LCD_CLASS_DEVICE=y | ||
| 183 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 184 | CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y | ||
| 185 | CONFIG_FONTS=y | ||
| 186 | CONFIG_FONT_8x8=y | ||
| 187 | CONFIG_FONT_8x16=y | ||
| 188 | CONFIG_FONT_6x11=y | ||
| 189 | CONFIG_FONT_MINI_4x6=y | ||
| 190 | CONFIG_LOGO=y | ||
| 191 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 192 | # CONFIG_LOGO_LINUX_VGA16 is not set | ||
| 193 | CONFIG_SOUND=y | ||
| 194 | CONFIG_SND=y | ||
| 195 | CONFIG_SND_MIXER_OSS=y | ||
| 196 | CONFIG_SND_PCM_OSS=y | ||
| 197 | # CONFIG_SND_SUPPORT_OLD_API is not set | ||
| 198 | # CONFIG_SND_VERBOSE_PROCFS is not set | ||
| 199 | CONFIG_SND_DUMMY=y | ||
| 200 | CONFIG_SND_USB_AUDIO=y | ||
| 201 | CONFIG_SND_SOC=y | ||
| 202 | CONFIG_SND_OMAP_SOC=y | ||
| 203 | # CONFIG_USB_HID is not set | ||
| 204 | CONFIG_USB=y | ||
| 205 | CONFIG_USB_DEBUG=y | ||
| 206 | CONFIG_USB_DEVICEFS=y | ||
| 207 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 208 | CONFIG_USB_SUSPEND=y | ||
| 209 | CONFIG_USB_MON=y | ||
| 210 | CONFIG_USB_OHCI_HCD=y | ||
| 211 | CONFIG_USB_STORAGE=y | ||
| 212 | CONFIG_USB_STORAGE_DATAFAB=y | ||
| 213 | CONFIG_USB_STORAGE_FREECOM=y | ||
| 214 | CONFIG_USB_STORAGE_SDDR09=y | ||
| 215 | CONFIG_USB_STORAGE_SDDR55=y | ||
| 216 | CONFIG_USB_STORAGE_JUMPSHOT=y | ||
| 217 | CONFIG_USB_SERIAL=y | ||
| 218 | CONFIG_USB_SERIAL_CONSOLE=y | ||
| 219 | CONFIG_USB_SERIAL_PL2303=y | ||
| 220 | CONFIG_USB_TEST=y | ||
| 221 | CONFIG_USB_GADGET=y | ||
| 222 | CONFIG_USB_ETH=m | ||
| 223 | # CONFIG_USB_ETH_RNDIS is not set | ||
| 224 | CONFIG_USB_FILE_STORAGE=m | ||
| 225 | CONFIG_USB_FILE_STORAGE_TEST=y | ||
| 226 | CONFIG_MMC=y | ||
| 227 | CONFIG_MMC_SDHCI=y | ||
| 228 | CONFIG_MMC_SDHCI_PLTFM=y | ||
| 229 | CONFIG_MMC_OMAP=y | ||
| 230 | CONFIG_NEW_LEDS=y | ||
| 231 | CONFIG_LEDS_CLASS=y | ||
| 232 | CONFIG_LEDS_TRIGGERS=y | ||
| 233 | CONFIG_LEDS_TRIGGER_TIMER=y | ||
| 234 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y | ||
| 235 | CONFIG_LEDS_TRIGGER_DEFAULT_ON=y | ||
| 236 | CONFIG_RTC_CLASS=y | ||
| 237 | CONFIG_RTC_DRV_OMAP=y | ||
| 238 | CONFIG_EXT2_FS=y | ||
| 239 | CONFIG_EXT3_FS=y | ||
| 240 | # CONFIG_DNOTIFY is not set | ||
| 241 | CONFIG_AUTOFS4_FS=y | ||
| 242 | CONFIG_ISO9660_FS=y | ||
| 243 | CONFIG_JOLIET=y | ||
| 244 | CONFIG_MSDOS_FS=y | ||
| 245 | CONFIG_VFAT_FS=y | ||
| 246 | CONFIG_FAT_DEFAULT_CODEPAGE=866 | ||
| 247 | CONFIG_FAT_DEFAULT_IOCHARSET="koi8-r" | ||
| 248 | CONFIG_JFFS2_FS=y | ||
| 249 | CONFIG_JFFS2_SUMMARY=y | ||
| 250 | CONFIG_JFFS2_COMPRESSION_OPTIONS=y | ||
| 251 | CONFIG_CRAMFS=y | ||
| 252 | CONFIG_ROMFS_FS=y | ||
| 253 | CONFIG_NFS_FS=y | ||
| 254 | CONFIG_NFS_V3=y | ||
| 255 | CONFIG_NFS_V4=y | ||
| 256 | CONFIG_ROOT_NFS=y | ||
| 257 | CONFIG_PARTITION_ADVANCED=y | ||
| 258 | CONFIG_NLS_CODEPAGE_437=y | ||
| 259 | CONFIG_NLS_CODEPAGE_850=y | ||
| 260 | CONFIG_NLS_CODEPAGE_852=y | ||
| 261 | CONFIG_NLS_CODEPAGE_866=y | ||
| 262 | CONFIG_NLS_CODEPAGE_1251=y | ||
| 263 | CONFIG_NLS_ISO8859_1=y | ||
| 264 | CONFIG_NLS_ISO8859_2=y | ||
| 265 | CONFIG_NLS_ISO8859_5=y | ||
| 266 | CONFIG_NLS_ISO8859_15=y | ||
| 267 | CONFIG_NLS_KOI8_R=y | ||
| 268 | CONFIG_NLS_UTF8=y | ||
| 269 | # CONFIG_ENABLE_MUST_CHECK is not set | ||
| 270 | CONFIG_MAGIC_SYSRQ=y | ||
| 271 | CONFIG_DEBUG_KERNEL=y | ||
| 272 | CONFIG_DEBUG_SPINLOCK=y | ||
| 273 | CONFIG_DEBUG_MUTEXES=y | ||
| 274 | # CONFIG_DEBUG_BUGVERBOSE is not set | ||
| 275 | CONFIG_DEBUG_INFO=y | ||
| 276 | # CONFIG_RCU_CPU_STALL_DETECTOR is not set | ||
| 277 | CONFIG_DEBUG_USER=y | ||
| 278 | CONFIG_DEBUG_ERRORS=y | ||
| 279 | CONFIG_SECURITY=y | ||
| 280 | CONFIG_CRYPTO_ECB=y | ||
| 281 | CONFIG_CRYPTO_PCBC=y | ||
| 282 | CONFIG_CRYPTO_DEFLATE=y | ||
| 283 | CONFIG_CRYPTO_ZLIB=y | ||
| 284 | CONFIG_CRYPTO_LZO=y | ||
| 285 | # CONFIG_CRYPTO_ANSI_CPRNG is not set | ||
| 286 | CONFIG_LIBCRC32C=y | ||
| @@ -6,7 +6,7 @@ CONFIG_IKCONFIG=y · 5 unmodified lines | |||
| 6 | CONFIG_IKCONFIG_PROC=y | 6 | CONFIG_IKCONFIG_PROC=y |
| 7 | CONFIG_LOG_BUF_SHIFT=16 | 7 | CONFIG_LOG_BUF_SHIFT=16 |
| 8 | CONFIG_BLK_DEV_INITRD=y | 8 | CONFIG_BLK_DEV_INITRD=y |
| 9 | CONFIG_EMBEDDED=y | 9 | CONFIG_EXPERT=y |
| 10 | # CONFIG_SYSCTL_SYSCALL is not set | 10 | # CONFIG_SYSCTL_SYSCALL is not set |
| 11 | CONFIG_KALLSYMS_EXTRA_PASS=y | 11 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 12 | CONFIG_SLAB=y | 12 | CONFIG_SLAB=y |
| @@ -1,84 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | CONFIG_MODULE_FORCE_UNLOAD=y | ||
| 9 | # CONFIG_BLK_DEV_BSG is not set | ||
| 10 | CONFIG_ARCH_OMAP=y | ||
| 11 | CONFIG_ARCH_OMAP1=y | ||
| 12 | CONFIG_MACH_OMAP_GENERIC=y | ||
| 13 | CONFIG_OMAP_ARM_168MHZ=y | ||
| 14 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 15 | # CONFIG_ARM_THUMB is not set | ||
| 16 | CONFIG_PREEMPT=y | ||
| 17 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 18 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 19 | CONFIG_CMDLINE="mem=64M console=ttyS2,115200 root=0803 ro init=/bin/sh" | ||
| 20 | CONFIG_FPE_NWFPE=y | ||
| 21 | CONFIG_PM=y | ||
| 22 | CONFIG_NET=y | ||
| 23 | CONFIG_PACKET=y | ||
| 24 | CONFIG_UNIX=y | ||
| 25 | CONFIG_INET=y | ||
| 26 | CONFIG_IP_MULTICAST=y | ||
| 27 | CONFIG_IP_PNP=y | ||
| 28 | CONFIG_IP_PNP_DHCP=y | ||
| 29 | CONFIG_IP_PNP_BOOTP=y | ||
| 30 | # CONFIG_IPV6 is not set | ||
| 31 | CONFIG_BLK_DEV_LOOP=y | ||
| 32 | CONFIG_BLK_DEV_RAM=y | ||
| 33 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 34 | CONFIG_SCSI=y | ||
| 35 | CONFIG_BLK_DEV_SD=y | ||
| 36 | CONFIG_BLK_DEV_SR=y | ||
| 37 | CONFIG_CHR_DEV_SG=y | ||
| 38 | CONFIG_SCSI_MULTI_LUN=y | ||
| 39 | CONFIG_NETDEVICES=y | ||
| 40 | CONFIG_NET_ETHERNET=y | ||
| 41 | CONFIG_USB_RTL8150=y | ||
| 42 | CONFIG_USB_USBNET=y | ||
| 43 | CONFIG_USB_AN2720=y | ||
| 44 | CONFIG_USB_EPSON2888=y | ||
| 45 | CONFIG_PPP=y | ||
| 46 | CONFIG_PPP_MULTILINK=y | ||
| 47 | CONFIG_KEYBOARD_OMAP=y | ||
| 48 | # CONFIG_INPUT_MOUSE is not set | ||
| 49 | CONFIG_SERIAL_8250=y | ||
| 50 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 51 | # CONFIG_LEGACY_PTYS is not set | ||
| 52 | CONFIG_I2C=y | ||
| 53 | CONFIG_I2C_CHARDEV=y | ||
| 54 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 55 | # CONFIG_VGA_CONSOLE is not set | ||
| 56 | CONFIG_USB=y | ||
| 57 | CONFIG_USB_DEBUG=y | ||
| 58 | CONFIG_USB_DEVICEFS=y | ||
| 59 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 60 | CONFIG_USB_MON=y | ||
| 61 | CONFIG_USB_OHCI_HCD=y | ||
| 62 | CONFIG_USB_STORAGE=y | ||
| 63 | CONFIG_USB_STORAGE_DATAFAB=y | ||
| 64 | CONFIG_USB_STORAGE_FREECOM=y | ||
| 65 | CONFIG_USB_STORAGE_SDDR09=y | ||
| 66 | CONFIG_USB_STORAGE_SDDR55=y | ||
| 67 | CONFIG_USB_STORAGE_JUMPSHOT=y | ||
| 68 | CONFIG_MMC=y | ||
| 69 | CONFIG_MMC_OMAP=y | ||
| 70 | CONFIG_RTC_CLASS=y | ||
| 71 | CONFIG_RTC_DRV_OMAP=y | ||
| 72 | CONFIG_EXT2_FS=y | ||
| 73 | CONFIG_EXT3_FS=y | ||
| 74 | CONFIG_INOTIFY=y | ||
| 75 | CONFIG_AUTOFS_FS=y | ||
| 76 | CONFIG_AUTOFS4_FS=y | ||
| 77 | CONFIG_ISO9660_FS=y | ||
| 78 | CONFIG_JOLIET=y | ||
| 79 | CONFIG_MSDOS_FS=m | ||
| 80 | CONFIG_VFAT_FS=m | ||
| 81 | CONFIG_NFS_FS=y | ||
| 82 | CONFIG_PARTITION_ADVANCED=y | ||
| 83 | CONFIG_MAGIC_SYSRQ=y | ||
| 84 | CONFIG_DEBUG_KERNEL=y | ||
| @@ -1,87 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | CONFIG_MODULE_FORCE_UNLOAD=y | ||
| 9 | # CONFIG_BLK_DEV_BSG is not set | ||
| 10 | CONFIG_ARCH_OMAP=y | ||
| 11 | CONFIG_ARCH_OMAP1=y | ||
| 12 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 13 | CONFIG_ARCH_OMAP16XX=y | ||
| 14 | CONFIG_MACH_OMAP_GENERIC=y | ||
| 15 | CONFIG_OMAP_ARM_192MHZ=y | ||
| 16 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 17 | # CONFIG_ARM_THUMB is not set | ||
| 18 | CONFIG_PREEMPT=y | ||
| 19 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 20 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 21 | CONFIG_CMDLINE="mem=64M console=ttyS2,115200 root=0803 ro init=/bin/sh" | ||
| 22 | CONFIG_FPE_NWFPE=y | ||
| 23 | CONFIG_PM=y | ||
| 24 | CONFIG_NET=y | ||
| 25 | CONFIG_PACKET=y | ||
| 26 | CONFIG_UNIX=y | ||
| 27 | CONFIG_INET=y | ||
| 28 | CONFIG_IP_MULTICAST=y | ||
| 29 | CONFIG_IP_PNP=y | ||
| 30 | CONFIG_IP_PNP_DHCP=y | ||
| 31 | CONFIG_IP_PNP_BOOTP=y | ||
| 32 | # CONFIG_IPV6 is not set | ||
| 33 | CONFIG_BLK_DEV_LOOP=y | ||
| 34 | CONFIG_BLK_DEV_RAM=y | ||
| 35 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 36 | CONFIG_SCSI=y | ||
| 37 | CONFIG_BLK_DEV_SD=y | ||
| 38 | CONFIG_BLK_DEV_SR=y | ||
| 39 | CONFIG_CHR_DEV_SG=y | ||
| 40 | CONFIG_SCSI_MULTI_LUN=y | ||
| 41 | CONFIG_NETDEVICES=y | ||
| 42 | CONFIG_NET_ETHERNET=y | ||
| 43 | CONFIG_USB_RTL8150=y | ||
| 44 | CONFIG_USB_USBNET=y | ||
| 45 | CONFIG_USB_ALI_M5632=y | ||
| 46 | CONFIG_USB_AN2720=y | ||
| 47 | CONFIG_USB_EPSON2888=y | ||
| 48 | CONFIG_PPP=y | ||
| 49 | CONFIG_PPP_MULTILINK=y | ||
| 50 | CONFIG_KEYBOARD_OMAP=y | ||
| 51 | # CONFIG_INPUT_MOUSE is not set | ||
| 52 | CONFIG_SERIAL_8250=y | ||
| 53 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 54 | # CONFIG_LEGACY_PTYS is not set | ||
| 55 | CONFIG_I2C=y | ||
| 56 | CONFIG_I2C_CHARDEV=y | ||
| 57 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 58 | # CONFIG_VGA_CONSOLE is not set | ||
| 59 | CONFIG_USB=y | ||
| 60 | CONFIG_USB_DEBUG=y | ||
| 61 | CONFIG_USB_DEVICEFS=y | ||
| 62 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 63 | CONFIG_USB_MON=y | ||
| 64 | CONFIG_USB_OHCI_HCD=y | ||
| 65 | CONFIG_USB_STORAGE=y | ||
| 66 | CONFIG_USB_STORAGE_DATAFAB=y | ||
| 67 | CONFIG_USB_STORAGE_FREECOM=y | ||
| 68 | CONFIG_USB_STORAGE_SDDR09=y | ||
| 69 | CONFIG_USB_STORAGE_SDDR55=y | ||
| 70 | CONFIG_USB_STORAGE_JUMPSHOT=y | ||
| 71 | CONFIG_MMC=y | ||
| 72 | CONFIG_MMC_OMAP=y | ||
| 73 | CONFIG_RTC_CLASS=y | ||
| 74 | CONFIG_RTC_DRV_OMAP=y | ||
| 75 | CONFIG_EXT2_FS=y | ||
| 76 | CONFIG_EXT3_FS=y | ||
| 77 | CONFIG_INOTIFY=y | ||
| 78 | CONFIG_AUTOFS_FS=y | ||
| 79 | CONFIG_AUTOFS4_FS=y | ||
| 80 | CONFIG_ISO9660_FS=y | ||
| 81 | CONFIG_JOLIET=y | ||
| 82 | CONFIG_MSDOS_FS=m | ||
| 83 | CONFIG_VFAT_FS=m | ||
| 84 | CONFIG_NFS_FS=y | ||
| 85 | CONFIG_PARTITION_ADVANCED=y | ||
| 86 | CONFIG_MAGIC_SYSRQ=y | ||
| 87 | CONFIG_DEBUG_KERNEL=y | ||
| @@ -1,75 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | # CONFIG_BLK_DEV_BSG is not set | ||
| 6 | CONFIG_ARCH_OMAP=y | ||
| 7 | CONFIG_ARCH_OMAP1=y | ||
| 8 | # CONFIG_OMAP_MUX is not set | ||
| 9 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 10 | CONFIG_ARCH_OMAP16XX=y | ||
| 11 | CONFIG_MACH_OMAP_GENERIC=y | ||
| 12 | CONFIG_OMAP_ARM_192MHZ=y | ||
| 13 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 14 | # CONFIG_ARM_THUMB is not set | ||
| 15 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 16 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 17 | CONFIG_CMDLINE="mem=64M console=tty0 console=ttyS2,115200 root=0801" | ||
| 18 | CONFIG_FPE_NWFPE=y | ||
| 19 | CONFIG_ARTHUR=y | ||
| 20 | CONFIG_PM=y | ||
| 21 | CONFIG_NET=y | ||
| 22 | CONFIG_PACKET=y | ||
| 23 | CONFIG_UNIX=y | ||
| 24 | CONFIG_INET=y | ||
| 25 | CONFIG_IP_MULTICAST=y | ||
| 26 | CONFIG_IP_PNP=y | ||
| 27 | CONFIG_IP_PNP_DHCP=y | ||
| 28 | CONFIG_IP_PNP_BOOTP=y | ||
| 29 | # CONFIG_IPV6 is not set | ||
| 30 | CONFIG_BLK_DEV_LOOP=y | ||
| 31 | CONFIG_BLK_DEV_RAM=y | ||
| 32 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 33 | CONFIG_SCSI=y | ||
| 34 | CONFIG_BLK_DEV_SD=y | ||
| 35 | CONFIG_NETDEVICES=y | ||
| 36 | CONFIG_NET_ETHERNET=y | ||
| 37 | CONFIG_USB_USBNET=y | ||
| 38 | CONFIG_USB_ALI_M5632=y | ||
| 39 | # CONFIG_USB_BELKIN is not set | ||
| 40 | # CONFIG_USB_ARMLINUX is not set | ||
| 41 | CONFIG_PPP=y | ||
| 42 | CONFIG_INPUT_EVDEV=y | ||
| 43 | CONFIG_KEYBOARD_OMAP=y | ||
| 44 | # CONFIG_INPUT_MOUSE is not set | ||
| 45 | CONFIG_SERIAL_8250=y | ||
| 46 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 47 | CONFIG_VIDEO_OUTPUT_CONTROL=y | ||
| 48 | # CONFIG_VGA_CONSOLE is not set | ||
| 49 | CONFIG_USB=y | ||
| 50 | CONFIG_USB_DEBUG=y | ||
| 51 | CONFIG_USB_DEVICEFS=y | ||
| 52 | CONFIG_USB_MON=y | ||
| 53 | CONFIG_USB_OHCI_HCD=y | ||
| 54 | CONFIG_USB_STORAGE=y | ||
| 55 | CONFIG_MMC=y | ||
| 56 | CONFIG_MMC_OMAP=y | ||
| 57 | CONFIG_EXT2_FS=y | ||
| 58 | CONFIG_EXT3_FS=y | ||
| 59 | CONFIG_INOTIFY=y | ||
| 60 | CONFIG_TMPFS=y | ||
| 61 | CONFIG_NFS_FS=y | ||
| 62 | CONFIG_NFS_V3=y | ||
| 63 | CONFIG_NFS_V4=y | ||
| 64 | CONFIG_PARTITION_ADVANCED=y | ||
| 65 | CONFIG_NLS_CODEPAGE_437=y | ||
| 66 | CONFIG_NLS_CODEPAGE_852=y | ||
| 67 | CONFIG_NLS_ISO8859_1=y | ||
| 68 | CONFIG_NLS_ISO8859_15=y | ||
| 69 | CONFIG_MAGIC_SYSRQ=y | ||
| 70 | CONFIG_DEBUG_KERNEL=y | ||
| 71 | CONFIG_DEBUG_SPINLOCK=y | ||
| 72 | CONFIG_DEBUG_ERRORS=y | ||
| 73 | CONFIG_SECURITY=y | ||
| 74 | CONFIG_CRYPTO_ECB=y | ||
| 75 | CONFIG_CRYPTO_PCBC=y | ||
| @@ -1,109 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | # CONFIG_BLK_DEV_BSG is not set | ||
| 9 | CONFIG_ARCH_OMAP=y | ||
| 10 | CONFIG_ARCH_OMAP1=y | ||
| 11 | CONFIG_OMAP_MUX_DEBUG=y | ||
| 12 | CONFIG_OMAP_32K_TIMER=y | ||
| 13 | CONFIG_OMAP_DM_TIMER=y | ||
| 14 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 15 | CONFIG_ARCH_OMAP16XX=y | ||
| 16 | CONFIG_MACH_OMAP_H2=y | ||
| 17 | CONFIG_NO_HZ=y | ||
| 18 | CONFIG_HIGH_RES_TIMERS=y | ||
| 19 | CONFIG_LEDS=y | ||
| 20 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 21 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 22 | CONFIG_CMDLINE="mem=32M console=ttyS0,115200n8 root=/dev/ram0 rw initrd=0x10600000,8M ramdisk_size=8192" | ||
| 23 | CONFIG_FPE_NWFPE=y | ||
| 24 | CONFIG_PM=y | ||
| 25 | CONFIG_PM_RUNTIME=y | ||
| 26 | CONFIG_NET=y | ||
| 27 | CONFIG_PACKET=y | ||
| 28 | CONFIG_UNIX=y | ||
| 29 | CONFIG_INET=y | ||
| 30 | CONFIG_IP_PNP=y | ||
| 31 | CONFIG_IP_PNP_DHCP=y | ||
| 32 | CONFIG_IP_PNP_BOOTP=y | ||
| 33 | # CONFIG_INET_LRO is not set | ||
| 34 | # CONFIG_IPV6 is not set | ||
| 35 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 36 | CONFIG_DEBUG_DRIVER=y | ||
| 37 | CONFIG_MTD=y | ||
| 38 | CONFIG_MTD_DEBUG=y | ||
| 39 | CONFIG_MTD_DEBUG_VERBOSE=3 | ||
| 40 | CONFIG_MTD_PARTITIONS=y | ||
| 41 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 42 | CONFIG_MTD_CHAR=y | ||
| 43 | CONFIG_MTD_BLOCK=y | ||
| 44 | CONFIG_MTD_CFI=y | ||
| 45 | CONFIG_MTD_CFI_INTELEXT=y | ||
| 46 | CONFIG_BLK_DEV_LOOP=y | ||
| 47 | CONFIG_BLK_DEV_RAM=y | ||
| 48 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 49 | CONFIG_NETDEVICES=y | ||
| 50 | CONFIG_NET_ETHERNET=y | ||
| 51 | CONFIG_SMC91X=y | ||
| 52 | CONFIG_PPP=y | ||
| 53 | CONFIG_SLIP=y | ||
| 54 | CONFIG_SLIP_COMPRESSED=y | ||
| 55 | CONFIG_INPUT_EVDEV=y | ||
| 56 | CONFIG_INPUT_EVBUG=y | ||
| 57 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 58 | # CONFIG_INPUT_MOUSE is not set | ||
| 59 | CONFIG_INPUT_MISC=y | ||
| 60 | CONFIG_INPUT_UINPUT=y | ||
| 61 | CONFIG_SERIAL_8250=y | ||
| 62 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 63 | # CONFIG_LEGACY_PTYS is not set | ||
| 64 | CONFIG_I2C=y | ||
| 65 | CONFIG_I2C_OMAP=y | ||
| 66 | CONFIG_SPI=y | ||
| 67 | CONFIG_SPI_OMAP_UWIRE=y | ||
| 68 | CONFIG_WATCHDOG=y | ||
| 69 | CONFIG_WATCHDOG_NOWAYOUT=y | ||
| 70 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 71 | CONFIG_FB=y | ||
| 72 | CONFIG_FIRMWARE_EDID=y | ||
| 73 | CONFIG_FB_MODE_HELPERS=y | ||
| 74 | CONFIG_FB_OMAP=y | ||
| 75 | # CONFIG_VGA_CONSOLE is not set | ||
| 76 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 77 | CONFIG_LOGO=y | ||
| 78 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 79 | # CONFIG_LOGO_LINUX_VGA16 is not set | ||
| 80 | # CONFIG_USB_HID is not set | ||
| 81 | CONFIG_USB=y | ||
| 82 | CONFIG_USB_DEVICEFS=y | ||
| 83 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 84 | CONFIG_USB_SUSPEND=y | ||
| 85 | CONFIG_USB_OTG=y | ||
| 86 | CONFIG_USB_MON=y | ||
| 87 | CONFIG_USB_OHCI_HCD=y | ||
| 88 | CONFIG_USB_TEST=y | ||
| 89 | CONFIG_USB_GADGET=y | ||
| 90 | CONFIG_USB_ETH=m | ||
| 91 | CONFIG_MMC=y | ||
| 92 | CONFIG_MMC_OMAP=y | ||
| 93 | CONFIG_RTC_CLASS=y | ||
| 94 | CONFIG_RTC_DRV_OMAP=y | ||
| 95 | CONFIG_EXT2_FS=y | ||
| 96 | CONFIG_INOTIFY=y | ||
| 97 | CONFIG_MSDOS_FS=y | ||
| 98 | CONFIG_VFAT_FS=y | ||
| 99 | CONFIG_JFFS2_FS=y | ||
| 100 | CONFIG_CRAMFS=y | ||
| 101 | CONFIG_ROMFS_FS=y | ||
| 102 | CONFIG_NFS_FS=y | ||
| 103 | CONFIG_ROOT_NFS=y | ||
| 104 | CONFIG_NLS_CODEPAGE_437=y | ||
| 105 | CONFIG_NLS_ISO8859_1=y | ||
| 106 | CONFIG_DEBUG_KERNEL=y | ||
| 107 | CONFIG_DEBUG_INFO=y | ||
| 108 | CONFIG_DEBUG_USER=y | ||
| 109 | CONFIG_DEBUG_ERRORS=y | ||
| @@ -1,102 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | # CONFIG_BLK_DEV_BSG is not set | ||
| 9 | CONFIG_ARCH_OMAP=y | ||
| 10 | CONFIG_ARCH_OMAP1=y | ||
| 11 | CONFIG_MACH_OMAP_INNOVATOR=y | ||
| 12 | CONFIG_OMAP_ARM_168MHZ=y | ||
| 13 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 14 | CONFIG_PREEMPT=y | ||
| 15 | CONFIG_LEDS=y | ||
| 16 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 17 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 18 | CONFIG_CMDLINE="console=ttyS0,115200n8 root=/dev/nfs ip=bootp noinitrd" | ||
| 19 | CONFIG_FPE_NWFPE=y | ||
| 20 | CONFIG_PM=y | ||
| 21 | CONFIG_NET=y | ||
| 22 | CONFIG_PACKET=y | ||
| 23 | CONFIG_UNIX=y | ||
| 24 | CONFIG_INET=y | ||
| 25 | CONFIG_IP_MULTICAST=y | ||
| 26 | CONFIG_IP_PNP=y | ||
| 27 | CONFIG_IP_PNP_DHCP=y | ||
| 28 | CONFIG_IP_PNP_BOOTP=y | ||
| 29 | # CONFIG_IPV6 is not set | ||
| 30 | CONFIG_BLK_DEV_LOOP=y | ||
| 31 | CONFIG_BLK_DEV_RAM=y | ||
| 32 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 33 | CONFIG_SCSI=y | ||
| 34 | CONFIG_BLK_DEV_SD=y | ||
| 35 | CONFIG_CHR_DEV_ST=y | ||
| 36 | CONFIG_BLK_DEV_SR=y | ||
| 37 | CONFIG_CHR_DEV_SG=y | ||
| 38 | CONFIG_SCSI_MULTI_LUN=y | ||
| 39 | CONFIG_NETDEVICES=y | ||
| 40 | CONFIG_NET_ETHERNET=y | ||
| 41 | CONFIG_SMC91X=y | ||
| 42 | CONFIG_USB_RTL8150=y | ||
| 43 | CONFIG_USB_USBNET=y | ||
| 44 | # CONFIG_USB_NET_CDC_SUBSET is not set | ||
| 45 | CONFIG_PPP=y | ||
| 46 | CONFIG_PPP_MULTILINK=y | ||
| 47 | CONFIG_PPP_ASYNC=y | ||
| 48 | CONFIG_PPP_DEFLATE=y | ||
| 49 | CONFIG_PPP_BSDCOMP=y | ||
| 50 | CONFIG_INPUT_MOUSEDEV_SCREEN_X=240 | ||
| 51 | CONFIG_INPUT_MOUSEDEV_SCREEN_Y=320 | ||
| 52 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 53 | CONFIG_KEYBOARD_OMAP=y | ||
| 54 | # CONFIG_INPUT_MOUSE is not set | ||
| 55 | CONFIG_SERIAL_8250=y | ||
| 56 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 57 | # CONFIG_LEGACY_PTYS is not set | ||
| 58 | CONFIG_I2C=y | ||
| 59 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 60 | CONFIG_FB=y | ||
| 61 | CONFIG_FB_OMAP=y | ||
| 62 | # CONFIG_VGA_CONSOLE is not set | ||
| 63 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 64 | CONFIG_FONTS=y | ||
| 65 | CONFIG_FONT_8x8=y | ||
| 66 | CONFIG_FONT_8x16=y | ||
| 67 | CONFIG_LOGO=y | ||
| 68 | CONFIG_USB=y | ||
| 69 | CONFIG_USB_DEBUG=y | ||
| 70 | CONFIG_USB_DEVICEFS=y | ||
| 71 | # CONFIG_USB_DEVICE_CLASS is not set | ||
| 72 | CONFIG_USB_MON=y | ||
| 73 | CONFIG_USB_OHCI_HCD=y | ||
| 74 | CONFIG_USB_STORAGE=y | ||
| 75 | CONFIG_USB_STORAGE_DATAFAB=y | ||
| 76 | CONFIG_USB_STORAGE_FREECOM=y | ||
| 77 | CONFIG_USB_STORAGE_SDDR09=y | ||
| 78 | CONFIG_USB_STORAGE_SDDR55=y | ||
| 79 | CONFIG_USB_STORAGE_JUMPSHOT=y | ||
| 80 | CONFIG_MMC=y | ||
| 81 | CONFIG_MMC_OMAP=y | ||
| 82 | CONFIG_RTC_CLASS=y | ||
| 83 | CONFIG_RTC_DRV_OMAP=y | ||
| 84 | CONFIG_EXT2_FS=y | ||
| 85 | CONFIG_EXT3_FS=y | ||
| 86 | CONFIG_INOTIFY=y | ||
| 87 | CONFIG_AUTOFS_FS=y | ||
| 88 | CONFIG_AUTOFS4_FS=y | ||
| 89 | CONFIG_ISO9660_FS=y | ||
| 90 | CONFIG_JOLIET=y | ||
| 91 | CONFIG_MSDOS_FS=m | ||
| 92 | CONFIG_VFAT_FS=m | ||
| 93 | CONFIG_TMPFS=y | ||
| 94 | CONFIG_NFS_FS=y | ||
| 95 | CONFIG_NFS_V3=y | ||
| 96 | CONFIG_NFS_V4=y | ||
| 97 | CONFIG_ROOT_NFS=y | ||
| 98 | CONFIG_PARTITION_ADVANCED=y | ||
| 99 | CONFIG_MAGIC_SYSRQ=y | ||
| 100 | CONFIG_DEBUG_KERNEL=y | ||
| 101 | CONFIG_CRYPTO_ECB=m | ||
| 102 | CONFIG_CRYPTO_PCBC=m | ||
| @@ -1,58 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_MODULES=y | ||
| 6 | CONFIG_MODULE_UNLOAD=y | ||
| 7 | # CONFIG_BLK_DEV_BSG is not set | ||
| 8 | CONFIG_ARCH_OMAP=y | ||
| 9 | CONFIG_ARCH_OMAP1=y | ||
| 10 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 11 | CONFIG_ARCH_OMAP16XX=y | ||
| 12 | CONFIG_MACH_OMAP_INNOVATOR=y | ||
| 13 | CONFIG_OMAP_ARM_192MHZ=y | ||
| 14 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 15 | # CONFIG_ARM_THUMB is not set | ||
| 16 | CONFIG_CPU_DCACHE_WRITETHROUGH=y | ||
| 17 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 18 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 19 | CONFIG_CMDLINE="mem=32M console=tty0 console=ttyS0,115200 initrd=0x10200000,8M root=/dev/ram0 rw" | ||
| 20 | CONFIG_FPE_NWFPE=y | ||
| 21 | CONFIG_NET=y | ||
| 22 | CONFIG_PACKET=m | ||
| 23 | CONFIG_UNIX=y | ||
| 24 | CONFIG_INET=y | ||
| 25 | CONFIG_IP_MULTICAST=y | ||
| 26 | CONFIG_IP_PNP=y | ||
| 27 | CONFIG_IP_PNP_DHCP=y | ||
| 28 | CONFIG_IP_PNP_BOOTP=y | ||
| 29 | # CONFIG_IPV6 is not set | ||
| 30 | CONFIG_BLK_DEV_LOOP=y | ||
| 31 | CONFIG_BLK_DEV_RAM=y | ||
| 32 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 33 | CONFIG_NETDEVICES=y | ||
| 34 | CONFIG_NET_ETHERNET=y | ||
| 35 | CONFIG_SMC91X=y | ||
| 36 | CONFIG_PPP=y | ||
| 37 | CONFIG_PPP_MULTILINK=y | ||
| 38 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 39 | CONFIG_KEYBOARD_OMAP=y | ||
| 40 | # CONFIG_INPUT_MOUSE is not set | ||
| 41 | CONFIG_SERIAL_8250=y | ||
| 42 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 43 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 44 | CONFIG_FB=y | ||
| 45 | CONFIG_FB_MODE_HELPERS=y | ||
| 46 | CONFIG_FB_OMAP=y | ||
| 47 | # CONFIG_VGA_CONSOLE is not set | ||
| 48 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 49 | CONFIG_FONTS=y | ||
| 50 | CONFIG_FONT_8x8=y | ||
| 51 | CONFIG_FONT_8x16=y | ||
| 52 | CONFIG_LOGO=y | ||
| 53 | CONFIG_EXT2_FS=y | ||
| 54 | CONFIG_INOTIFY=y | ||
| 55 | CONFIG_AUTOFS_FS=y | ||
| 56 | CONFIG_AUTOFS4_FS=y | ||
| 57 | CONFIG_NFS_FS=y | ||
| 58 | CONFIG_NFS_V3=y | ||
| @@ -1,87 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_MODULES=y | ||
| 6 | CONFIG_MODULE_UNLOAD=y | ||
| 7 | # CONFIG_BLK_DEV_BSG is not set | ||
| 8 | CONFIG_ARCH_OMAP=y | ||
| 9 | CONFIG_ARCH_OMAP1=y | ||
| 10 | CONFIG_OMAP_RESET_CLOCKS=y | ||
| 11 | CONFIG_OMAP_32K_TIMER=y | ||
| 12 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 13 | CONFIG_ARCH_OMAP16XX=y | ||
| 14 | CONFIG_MACH_OMAP_OSK=y | ||
| 15 | CONFIG_OMAP_ARM_192MHZ=y | ||
| 16 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 17 | # CONFIG_ARM_THUMB is not set | ||
| 18 | CONFIG_PCCARD=y | ||
| 19 | CONFIG_OMAP_CF=y | ||
| 20 | CONFIG_NO_HZ=y | ||
| 21 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 22 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 23 | CONFIG_CMDLINE="mem=32M console=ttyS0,115200 initrd=0x10400000,8M root=/dev/ram0 rw" | ||
| 24 | CONFIG_FPE_NWFPE=y | ||
| 25 | CONFIG_PM=y | ||
| 26 | CONFIG_NET=y | ||
| 27 | CONFIG_PACKET=m | ||
| 28 | CONFIG_UNIX=y | ||
| 29 | CONFIG_INET=y | ||
| 30 | CONFIG_IP_MULTICAST=y | ||
| 31 | CONFIG_IP_PNP=y | ||
| 32 | CONFIG_IP_PNP_DHCP=y | ||
| 33 | CONFIG_IP_PNP_BOOTP=y | ||
| 34 | # CONFIG_INET_LRO is not set | ||
| 35 | # CONFIG_IPV6 is not set | ||
| 36 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | ||
| 37 | CONFIG_MTD=y | ||
| 38 | CONFIG_MTD_PARTITIONS=y | ||
| 39 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 40 | CONFIG_MTD_CHAR=y | ||
| 41 | CONFIG_MTD_BLOCK=y | ||
| 42 | CONFIG_MTD_CFI=y | ||
| 43 | CONFIG_MTD_CFI_INTELEXT=y | ||
| 44 | CONFIG_BLK_DEV_LOOP=y | ||
| 45 | CONFIG_BLK_DEV_RAM=y | ||
| 46 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 47 | CONFIG_IDE=m | ||
| 48 | CONFIG_BLK_DEV_IDECS=m | ||
| 49 | CONFIG_NETDEVICES=y | ||
| 50 | CONFIG_NET_ETHERNET=y | ||
| 51 | CONFIG_SMC91X=y | ||
| 52 | CONFIG_PPP=y | ||
| 53 | CONFIG_PPP_MULTILINK=y | ||
| 54 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | ||
| 55 | CONFIG_INPUT_EVDEV=y | ||
| 56 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 57 | CONFIG_KEYBOARD_OMAP=y | ||
| 58 | # CONFIG_INPUT_MOUSE is not set | ||
| 59 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 60 | # CONFIG_SERIO is not set | ||
| 61 | CONFIG_SERIAL_8250=y | ||
| 62 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 63 | CONFIG_I2C=y | ||
| 64 | CONFIG_I2C_CHARDEV=y | ||
| 65 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 66 | CONFIG_FB=y | ||
| 67 | CONFIG_FB_MODE_HELPERS=y | ||
| 68 | CONFIG_FB_OMAP=y | ||
| 69 | # CONFIG_VGA_CONSOLE is not set | ||
| 70 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 71 | CONFIG_FONTS=y | ||
| 72 | CONFIG_FONT_8x8=y | ||
| 73 | CONFIG_LOGO=y | ||
| 74 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 75 | # CONFIG_LOGO_LINUX_VGA16 is not set | ||
| 76 | CONFIG_EXT2_FS=y | ||
| 77 | CONFIG_INOTIFY=y | ||
| 78 | CONFIG_AUTOFS_FS=y | ||
| 79 | CONFIG_AUTOFS4_FS=y | ||
| 80 | CONFIG_MSDOS_FS=m | ||
| 81 | CONFIG_VFAT_FS=m | ||
| 82 | CONFIG_JFFS2_FS=y | ||
| 83 | CONFIG_NFS_FS=y | ||
| 84 | CONFIG_NFS_V3=y | ||
| 85 | CONFIG_ROOT_NFS=y | ||
| 86 | CONFIG_NLS_CODEPAGE_437=m | ||
| 87 | CONFIG_NLS_ISO8859_1=m | ||
| @@ -1,65 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 4 | CONFIG_BLK_DEV_INITRD=y | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | CONFIG_MODULES=y | ||
| 7 | CONFIG_MODULE_UNLOAD=y | ||
| 8 | # CONFIG_BLK_DEV_BSG is not set | ||
| 9 | CONFIG_ARCH_OMAP=y | ||
| 10 | CONFIG_ARCH_OMAP1=y | ||
| 11 | CONFIG_ARCH_OMAP730=y | ||
| 12 | # CONFIG_ARCH_OMAP15XX is not set | ||
| 13 | CONFIG_MACH_OMAP_PERSEUS2=y | ||
| 14 | CONFIG_OMAP_ARM_182MHZ=y | ||
| 15 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 16 | # CONFIG_ARM_THUMB is not set | ||
| 17 | CONFIG_PREEMPT=y | ||
| 18 | CONFIG_LEDS=y | ||
| 19 | CONFIG_LEDS_CPU=y | ||
| 20 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 21 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 22 | CONFIG_CMDLINE="mem=32M console=ttyS0,115200 ip=dhcp" | ||
| 23 | CONFIG_FPE_NWFPE=y | ||
| 24 | CONFIG_PM=y | ||
| 25 | CONFIG_NET=y | ||
| 26 | CONFIG_PACKET=y | ||
| 27 | CONFIG_UNIX=y | ||
| 28 | CONFIG_INET=y | ||
| 29 | CONFIG_IP_MULTICAST=y | ||
| 30 | CONFIG_IP_PNP=y | ||
| 31 | CONFIG_IP_PNP_DHCP=y | ||
| 32 | CONFIG_IP_PNP_BOOTP=y | ||
| 33 | # CONFIG_IPV6 is not set | ||
| 34 | CONFIG_MTD=y | ||
| 35 | CONFIG_MTD_PARTITIONS=y | ||
| 36 | CONFIG_MTD_CMDLINE_PARTS=y | ||
| 37 | CONFIG_MTD_CHAR=y | ||
| 38 | CONFIG_MTD_BLOCK=y | ||
| 39 | CONFIG_MTD_CFI=y | ||
| 40 | CONFIG_MTD_CFI_INTELEXT=y | ||
| 41 | CONFIG_MTD_NAND=y | ||
| 42 | CONFIG_BLK_DEV_LOOP=y | ||
| 43 | CONFIG_BLK_DEV_RAM=y | ||
| 44 | CONFIG_BLK_DEV_RAM_SIZE=8192 | ||
| 45 | CONFIG_NETDEVICES=y | ||
| 46 | CONFIG_NET_ETHERNET=y | ||
| 47 | CONFIG_SMC91X=y | ||
| 48 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 49 | CONFIG_KEYBOARD_OMAP=y | ||
| 50 | # CONFIG_INPUT_MOUSE is not set | ||
| 51 | CONFIG_SERIAL_8250=y | ||
| 52 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 53 | # CONFIG_LEGACY_PTYS is not set | ||
| 54 | CONFIG_VIDEO_OUTPUT_CONTROL=m | ||
| 55 | CONFIG_FB=y | ||
| 56 | CONFIG_FB_MODE_HELPERS=y | ||
| 57 | CONFIG_FB_VIRTUAL=y | ||
| 58 | # CONFIG_VGA_CONSOLE is not set | ||
| 59 | CONFIG_RTC_CLASS=y | ||
| 60 | CONFIG_RTC_DRV_OMAP=y | ||
| 61 | CONFIG_EXT2_FS=y | ||
| 62 | CONFIG_INOTIFY=y | ||
| 63 | CONFIG_JFFS2_FS=y | ||
| 64 | CONFIG_NFS_FS=y | ||
| 65 | CONFIG_ROOT_NFS=y | ||
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_SYSVIPC=y | 2 | CONFIG_SYSVIPC=y |
| 3 | CONFIG_LOG_BUF_SHIFT=14 | 3 | CONFIG_LOG_BUF_SHIFT=14 |
| 4 | CONFIG_SYSFS_DEPRECATED_V2=y | 4 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | # CONFIG_SLUB_DEBUG is not set | 6 | # CONFIG_SLUB_DEBUG is not set |
| 7 | CONFIG_PROFILING=y | 7 | CONFIG_PROFILING=y |
| 8 | CONFIG_OPROFILE=y | 8 | CONFIG_OPROFILE=y |
| @@ -1,48 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | # CONFIG_SWAP is not set | ||
| 3 | CONFIG_SYSVIPC=y | ||
| 4 | CONFIG_BSD_PROCESS_ACCT=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 6 | CONFIG_SLAB=y | ||
| 7 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 8 | # CONFIG_IOSCHED_CFQ is not set | ||
| 9 | CONFIG_ARCH_OMAP=y | ||
| 10 | CONFIG_ARCH_OMAP1=y | ||
| 11 | CONFIG_MACH_OMAP_PALMTE=y | ||
| 12 | CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y | ||
| 13 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 14 | # CONFIG_ARM_THUMB is not set | ||
| 15 | # CONFIG_CPU_DCACHE_WRITETHROUGH is not set | ||
| 16 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 17 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 18 | CONFIG_FPE_NWFPE=y | ||
| 19 | # CONFIG_STANDALONE is not set | ||
| 20 | # CONFIG_PREVENT_FIRMWARE_BUILD is not set | ||
| 21 | # CONFIG_INPUT_MOUSEDEV_PSAUX is not set | ||
| 22 | CONFIG_INPUT_MOUSEDEV_SCREEN_X=320 | ||
| 23 | CONFIG_INPUT_MOUSEDEV_SCREEN_Y=320 | ||
| 24 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 25 | # CONFIG_INPUT_MOUSE is not set | ||
| 26 | # CONFIG_SERIO is not set | ||
| 27 | # CONFIG_LEGACY_PTYS is not set | ||
| 28 | # CONFIG_HWMON is not set | ||
| 29 | CONFIG_FB=y | ||
| 30 | CONFIG_FB_OMAP=y | ||
| 31 | # CONFIG_VGA_CONSOLE is not set | ||
| 32 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 33 | CONFIG_LOGO=y | ||
| 34 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 35 | # CONFIG_LOGO_LINUX_VGA16 is not set | ||
| 36 | CONFIG_USB_GADGET=y | ||
| 37 | CONFIG_MMC=y | ||
| 38 | CONFIG_MMC_OMAP=y | ||
| 39 | CONFIG_EXT2_FS=y | ||
| 40 | CONFIG_MSDOS_FS=y | ||
| 41 | CONFIG_VFAT_FS=y | ||
| 42 | CONFIG_FAT_DEFAULT_CODEPAGE=850 | ||
| 43 | CONFIG_TMPFS=y | ||
| 44 | CONFIG_CRAMFS=y | ||
| 45 | CONFIG_PARTITION_ADVANCED=y | ||
| 46 | CONFIG_NLS_CODEPAGE_850=y | ||
| 47 | CONFIG_NLS_ISO8859_1=y | ||
| 48 | CONFIG_CRC_CCITT=y | ||
| @@ -1,56 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_BSD_PROCESS_ACCT=y | ||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 5 | CONFIG_SLAB=y | ||
| 6 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 7 | # CONFIG_IOSCHED_CFQ is not set | ||
| 8 | CONFIG_ARCH_OMAP=y | ||
| 9 | CONFIG_ARCH_OMAP1=y | ||
| 10 | CONFIG_MACH_OMAP_PALMTT=y | ||
| 11 | CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y | ||
| 12 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 13 | # CONFIG_CPU_DCACHE_WRITETHROUGH is not set | ||
| 14 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 15 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 16 | CONFIG_CMDLINE="root=/dev/mmcblk0p2 rw init=/init" | ||
| 17 | CONFIG_FPE_NWFPE=y | ||
| 18 | CONFIG_NET=y | ||
| 19 | CONFIG_PACKET=y | ||
| 20 | CONFIG_UNIX=y | ||
| 21 | CONFIG_NET_KEY=y | ||
| 22 | CONFIG_INET=y | ||
| 23 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 24 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 25 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 26 | # CONFIG_INET_DIAG is not set | ||
| 27 | # CONFIG_IPV6 is not set | ||
| 28 | CONFIG_INPUT_MOUSEDEV_SCREEN_X=320 | ||
| 29 | CONFIG_INPUT_MOUSEDEV_SCREEN_Y=320 | ||
| 30 | CONFIG_INPUT_EVDEV=y | ||
| 31 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 32 | # CONFIG_INPUT_MOUSE is not set | ||
| 33 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 34 | CONFIG_TOUCHSCREEN_ADS7846=y | ||
| 35 | # CONFIG_SERIO is not set | ||
| 36 | CONFIG_SPI=y | ||
| 37 | CONFIG_SPI_OMAP_UWIRE=y | ||
| 38 | CONFIG_FB=y | ||
| 39 | CONFIG_FIRMWARE_EDID=y | ||
| 40 | CONFIG_FB_OMAP=y | ||
| 41 | CONFIG_BACKLIGHT_LCD_SUPPORT=y | ||
| 42 | # CONFIG_VGA_CONSOLE is not set | ||
| 43 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 44 | CONFIG_NEW_LEDS=y | ||
| 45 | CONFIG_LEDS_CLASS=y | ||
| 46 | CONFIG_LEDS_TRIGGERS=y | ||
| 47 | CONFIG_LEDS_TRIGGER_TIMER=y | ||
| 48 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y | ||
| 49 | CONFIG_RTC_CLASS=y | ||
| 50 | CONFIG_RTC_DRV_OMAP=y | ||
| 51 | CONFIG_EXT2_FS=y | ||
| 52 | CONFIG_PARTITION_ADVANCED=y | ||
| 53 | # CONFIG_ENABLE_MUST_CHECK is not set | ||
| 54 | CONFIG_CRC_CCITT=y | ||
| 55 | CONFIG_CRC16=y | ||
| 56 | CONFIG_LIBCRC32C=y | ||
| @@ -1,53 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_LOCALVERSION="-z71" | ||
| 3 | CONFIG_SYSVIPC=y | ||
| 4 | CONFIG_BSD_PROCESS_ACCT=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 6 | CONFIG_SLAB=y | ||
| 7 | # CONFIG_IOSCHED_DEADLINE is not set | ||
| 8 | # CONFIG_IOSCHED_CFQ is not set | ||
| 9 | CONFIG_ARCH_OMAP=y | ||
| 10 | CONFIG_ARCH_OMAP1=y | ||
| 11 | CONFIG_MACH_OMAP_PALMZ71=y | ||
| 12 | CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y | ||
| 13 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 14 | # CONFIG_ARM_THUMB is not set | ||
| 15 | # CONFIG_CPU_DCACHE_WRITETHROUGH is not set | ||
| 16 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 17 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 18 | CONFIG_FPE_NWFPE=y | ||
| 19 | CONFIG_NET=y | ||
| 20 | CONFIG_PACKET=y | ||
| 21 | CONFIG_UNIX=y | ||
| 22 | CONFIG_NET_KEY=y | ||
| 23 | CONFIG_INET=y | ||
| 24 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 25 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 26 | # CONFIG_INET_DIAG is not set | ||
| 27 | # CONFIG_IPV6 is not set | ||
| 28 | CONFIG_INPUT_MOUSEDEV_SCREEN_X=320 | ||
| 29 | CONFIG_INPUT_MOUSEDEV_SCREEN_Y=320 | ||
| 30 | # CONFIG_INPUT_KEYBOARD is not set | ||
| 31 | # CONFIG_INPUT_MOUSE is not set | ||
| 32 | CONFIG_INPUT_TOUCHSCREEN=y | ||
| 33 | CONFIG_TOUCHSCREEN_ADS7846=y | ||
| 34 | # CONFIG_SERIO is not set | ||
| 35 | CONFIG_SERIAL_8250=y | ||
| 36 | CONFIG_SERIAL_8250_CONSOLE=y | ||
| 37 | CONFIG_LEGACY_PTY_COUNT=16 | ||
| 38 | CONFIG_SPI=y | ||
| 39 | CONFIG_SPI_OMAP_UWIRE=y | ||
| 40 | CONFIG_FB=y | ||
| 41 | CONFIG_FIRMWARE_EDID=y | ||
| 42 | CONFIG_FB_OMAP=y | ||
| 43 | CONFIG_BACKLIGHT_LCD_SUPPORT=y | ||
| 44 | # CONFIG_VGA_CONSOLE is not set | ||
| 45 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 46 | CONFIG_MMC=y | ||
| 47 | CONFIG_MMC_OMAP=y | ||
| 48 | CONFIG_RTC_CLASS=y | ||
| 49 | CONFIG_RTC_DRV_OMAP=y | ||
| 50 | CONFIG_EXT2_FS=y | ||
| 51 | CONFIG_CRC_CCITT=y | ||
| 52 | CONFIG_CRC16=y | ||
| 53 | CONFIG_LIBCRC32C=y | ||
| @@ -7,7 +7,7 @@ CONFIG_IKCONFIG=y · 6 unmodified lines | |||
| 7 | CONFIG_IKCONFIG_PROC=y | 7 | CONFIG_IKCONFIG_PROC=y |
| 8 | CONFIG_LOG_BUF_SHIFT=14 | 8 | CONFIG_LOG_BUF_SHIFT=14 |
| 9 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 9 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 10 | CONFIG_EMBEDDED=y | 10 | CONFIG_EXPERT=y |
| 11 | # CONFIG_KALLSYMS is not set | 11 | # CONFIG_KALLSYMS is not set |
| 12 | CONFIG_SLAB=y | 12 | CONFIG_SLAB=y |
| 13 | CONFIG_MODULES=y | 13 | CONFIG_MODULES=y |
| @@ -10,7 +10,7 @@ CONFIG_IKCONFIG_PROC=y · 9 unmodified lines | |||
| 10 | CONFIG_LOG_BUF_SHIFT=14 | 10 | CONFIG_LOG_BUF_SHIFT=14 |
| 11 | CONFIG_NAMESPACES=y | 11 | CONFIG_NAMESPACES=y |
| 12 | CONFIG_BLK_DEV_INITRD=y | 12 | CONFIG_BLK_DEV_INITRD=y |
| 13 | CONFIG_EMBEDDED=y | 13 | CONFIG_EXPERT=y |
| 14 | # CONFIG_SYSCTL_SYSCALL is not set | 14 | # CONFIG_SYSCTL_SYSCALL is not set |
| 15 | # CONFIG_KALLSYMS is not set | 15 | # CONFIG_KALLSYMS is not set |
| 16 | # CONFIG_VM_EVENT_COUNTERS is not set | 16 | # CONFIG_VM_EVENT_COUNTERS is not set |
| @@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_BLK_DEV_INITRD=y | 5 | CONFIG_BLK_DEV_INITRD=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_HOTPLUG is not set | 7 | # CONFIG_HOTPLUG is not set |
| 8 | # CONFIG_SHMEM is not set | 8 | # CONFIG_SHMEM is not set |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| @@ -5,7 +5,7 @@ CONFIG_BSD_PROCESS_ACCT=y · 4 unmodified lines | |||
| 5 | CONFIG_AUDIT=y | 5 | CONFIG_AUDIT=y |
| 6 | CONFIG_LOG_BUF_SHIFT=14 | 6 | CONFIG_LOG_BUF_SHIFT=14 |
| 7 | CONFIG_BLK_DEV_INITRD=y | 7 | CONFIG_BLK_DEV_INITRD=y |
| 8 | CONFIG_EMBEDDED=y | 8 | CONFIG_EXPERT=y |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| 11 | CONFIG_MODULE_UNLOAD=y | 11 | CONFIG_MODULE_UNLOAD=y |
| @@ -2,7 +2,7 @@ CONFIG_EXPERIMENTAL=y · 1 unmodified line | |||
| 2 | CONFIG_LOCALVERSION="oe1" | 2 | CONFIG_LOCALVERSION="oe1" |
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_EMBEDDED=y | 5 | CONFIG_EXPERT=y |
| 6 | CONFIG_KALLSYMS_ALL=y | 6 | CONFIG_KALLSYMS_ALL=y |
| 7 | CONFIG_KALLSYMS_EXTRA_PASS=y | 7 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 8 | CONFIG_MODULES=y | 8 | CONFIG_MODULES=y |
| @@ -4,7 +4,7 @@ CONFIG_BSD_PROCESS_ACCT=y · 3 unmodified lines | |||
| 4 | CONFIG_LOG_BUF_SHIFT=14 | 4 | CONFIG_LOG_BUF_SHIFT=14 |
| 5 | CONFIG_SYSFS_DEPRECATED_V2=y | 5 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set | 6 | # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set |
| 7 | CONFIG_EMBEDDED=y | 7 | CONFIG_EXPERT=y |
| 8 | CONFIG_PROFILING=y | 8 | CONFIG_PROFILING=y |
| 9 | CONFIG_OPROFILE=m | 9 | CONFIG_OPROFILE=m |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| @@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y · 4 unmodified lines | |||
| 5 | CONFIG_BSD_PROCESS_ACCT=y | 5 | CONFIG_BSD_PROCESS_ACCT=y |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | 6 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 7 | CONFIG_BLK_DEV_INITRD=y | 7 | CONFIG_BLK_DEV_INITRD=y |
| 8 | CONFIG_EMBEDDED=y | 8 | CONFIG_EXPERT=y |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| 11 | CONFIG_MODULE_UNLOAD=y | 11 | CONFIG_MODULE_UNLOAD=y |
| @@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y · 4 unmodified lines | |||
| 5 | CONFIG_BSD_PROCESS_ACCT=y | 5 | CONFIG_BSD_PROCESS_ACCT=y |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | 6 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 7 | CONFIG_BLK_DEV_INITRD=y | 7 | CONFIG_BLK_DEV_INITRD=y |
| 8 | CONFIG_EMBEDDED=y | 8 | CONFIG_EXPERT=y |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| 10 | CONFIG_MODULES=y | 10 | CONFIG_MODULES=y |
| 11 | CONFIG_MODULE_UNLOAD=y | 11 | CONFIG_MODULE_UNLOAD=y |
| @@ -1,110 +0,0 @@ | |||
| 1 | CONFIG_EXPERIMENTAL=y | ||
| 2 | CONFIG_SYSVIPC=y | ||
| 3 | CONFIG_POSIX_MQUEUE=y | ||
| 4 | CONFIG_IKCONFIG=y | ||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | ||
| 6 | CONFIG_EMBEDDED=y | ||
| 7 | # CONFIG_KALLSYMS is not set | ||
| 8 | # CONFIG_ELF_CORE is not set | ||
| 9 | # CONFIG_BASE_FULL is not set | ||
| 10 | # CONFIG_SHMEM is not set | ||
| 11 | # CONFIG_VM_EVENT_COUNTERS is not set | ||
| 12 | CONFIG_SLOB=y | ||
| 13 | CONFIG_PROFILING=y | ||
| 14 | CONFIG_OPROFILE=y | ||
| 15 | CONFIG_MODULES=y | ||
| 16 | CONFIG_MODULE_UNLOAD=y | ||
| 17 | # CONFIG_IOSCHED_CFQ is not set | ||
| 18 | CONFIG_ARCH_OMAP=y | ||
| 19 | CONFIG_ARCH_OMAP1=y | ||
| 20 | CONFIG_OMAP_MBOX_FWK=y | ||
| 21 | CONFIG_MACH_SX1=y | ||
| 22 | CONFIG_OMAP_ARM_168MHZ=y | ||
| 23 | # CONFIG_OMAP_ARM_60MHZ is not set | ||
| 24 | # CONFIG_CPU_DCACHE_WRITETHROUGH is not set | ||
| 25 | CONFIG_PREEMPT=y | ||
| 26 | CONFIG_ZBOOT_ROM_TEXT=0x0 | ||
| 27 | CONFIG_ZBOOT_ROM_BSS=0x0 | ||
| 28 | CONFIG_FPE_NWFPE=y | ||
| 29 | CONFIG_BINFMT_MISC=y | ||
| 30 | CONFIG_NET=y | ||
| 31 | CONFIG_PACKET=y | ||
| 32 | CONFIG_UNIX=y | ||
| 33 | CONFIG_INET=y | ||
| 34 | CONFIG_IP_PNP=y | ||
| 35 | # CONFIG_INET_XFRM_MODE_TRANSPORT is not set | ||
| 36 | # CONFIG_INET_XFRM_MODE_TUNNEL is not set | ||
| 37 | # CONFIG_INET_XFRM_MODE_BEET is not set | ||
| 38 | # CONFIG_INET_DIAG is not set | ||
| 39 | # CONFIG_IPV6 is not set | ||
| 40 | # CONFIG_FW_LOADER is not set | ||
| 41 | CONFIG_CONNECTOR=y | ||
| 42 | # CONFIG_PROC_EVENTS is not set | ||
| 43 | CONFIG_BLK_DEV_LOOP=m | ||
| 44 | CONFIG_BLK_DEV_RAM=m | ||
| 45 | CONFIG_BLK_DEV_RAM_COUNT=2 | ||
| 46 | CONFIG_NETDEVICES=y | ||
| 47 | CONFIG_PHYLIB=y | ||
| 48 | CONFIG_NET_ETHERNET=y | ||
| 49 | CONFIG_MII=y | ||
| 50 | # CONFIG_INPUT_MOUSEDEV is not set | ||
| 51 | CONFIG_INPUT_EVDEV=y | ||
| 52 | # CONFIG_KEYBOARD_ATKBD is not set | ||
| 53 | CONFIG_KEYBOARD_OMAP=y | ||
| 54 | # CONFIG_INPUT_MOUSE is not set | ||
| 55 | # CONFIG_SERIO is not set | ||
| 56 | CONFIG_SERIAL_8250=y | ||
| 57 | CONFIG_SERIAL_8250_NR_UARTS=3 | ||
| 58 | # CONFIG_LEGACY_PTYS is not set | ||
| 59 | # CONFIG_HW_RANDOM is not set | ||
| 60 | CONFIG_I2C=y | ||
| 61 | CONFIG_I2C_CHARDEV=y | ||
| 62 | CONFIG_I2C_OMAP=y | ||
| 63 | # CONFIG_HWMON is not set | ||
| 64 | CONFIG_FB=y | ||
| 65 | CONFIG_FB_OMAP=y | ||
| 66 | CONFIG_FB_OMAP_BOOTLOADER_INIT=y | ||
| 67 | # CONFIG_VGA_CONSOLE is not set | ||
| 68 | CONFIG_FRAMEBUFFER_CONSOLE=y | ||
| 69 | CONFIG_FONTS=y | ||
| 70 | CONFIG_FONT_MINI_4x6=y | ||
| 71 | CONFIG_LOGO=y | ||
| 72 | # CONFIG_LOGO_LINUX_MONO is not set | ||
| 73 | # CONFIG_LOGO_LINUX_VGA16 is not set | ||
| 74 | CONFIG_SOUND=y | ||
| 75 | CONFIG_SND=y | ||
| 76 | CONFIG_SND_MIXER_OSS=y | ||
| 77 | CONFIG_SND_PCM_OSS=y | ||
| 78 | # CONFIG_SND_SUPPORT_OLD_API is not set | ||
| 79 | # CONFIG_SND_VERBOSE_PROCFS is not set | ||
| 80 | CONFIG_USB_GADGET=y | ||
| 81 | CONFIG_USB_ETH=m | ||
| 82 | CONFIG_MMC=y | ||
| 83 | CONFIG_MMC_OMAP=y | ||
| 84 | CONFIG_RTC_CLASS=y | ||
| 85 | CONFIG_RTC_DRV_OMAP=y | ||
| 86 | CONFIG_EXT2_FS=y | ||
| 87 | # CONFIG_DNOTIFY is not set | ||
| 88 | CONFIG_INOTIFY=y | ||
| 89 | CONFIG_MSDOS_FS=y | ||
| 90 | CONFIG_VFAT_FS=y | ||
| 91 | CONFIG_FAT_DEFAULT_CODEPAGE=866 | ||
| 92 | CONFIG_FAT_DEFAULT_IOCHARSET="koi8-r" | ||
| 93 | CONFIG_CRAMFS=y | ||
| 94 | CONFIG_NFS_FS=y | ||
| 95 | CONFIG_ROOT_NFS=y | ||
| 96 | CONFIG_PARTITION_ADVANCED=y | ||
| 97 | CONFIG_NLS_CODEPAGE_437=y | ||
| 98 | CONFIG_NLS_CODEPAGE_866=y | ||
| 99 | CONFIG_NLS_CODEPAGE_1251=y | ||
| 100 | CONFIG_NLS_ISO8859_1=y | ||
| 101 | CONFIG_NLS_ISO8859_5=y | ||
| 102 | CONFIG_NLS_KOI8_R=y | ||
| 103 | CONFIG_NLS_UTF8=y | ||
| 104 | # CONFIG_ENABLE_MUST_CHECK is not set | ||
| 105 | CONFIG_DEBUG_KERNEL=y | ||
| 106 | # CONFIG_DETECT_SOFTLOCKUP is not set | ||
| 107 | # CONFIG_DEBUG_BUGVERBOSE is not set | ||
| 108 | CONFIG_CRC_CCITT=y | ||
| 109 | CONFIG_CRC16=y | ||
| 110 | CONFIG_LIBCRC32C=y | ||
| @@ -5,7 +5,7 @@ CONFIG_SYSVIPC=y · 4 unmodified lines | |||
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_SYSFS_DEPRECATED_V2=y | 6 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 7 | CONFIG_BLK_DEV_INITRD=y | 7 | CONFIG_BLK_DEV_INITRD=y |
| 8 | CONFIG_EMBEDDED=y | 8 | CONFIG_EXPERT=y |
| 9 | # CONFIG_KALLSYMS is not set | 9 | # CONFIG_KALLSYMS is not set |
| 10 | # CONFIG_BUG is not set | 10 | # CONFIG_BUG is not set |
| 11 | # CONFIG_ELF_CORE is not set | 11 | # CONFIG_ELF_CORE is not set |
| @@ -7,7 +7,7 @@ CONFIG_IKCONFIG=y · 6 unmodified lines | |||
| 7 | CONFIG_IKCONFIG_PROC=y | 7 | CONFIG_IKCONFIG_PROC=y |
| 8 | CONFIG_LOG_BUF_SHIFT=14 | 8 | CONFIG_LOG_BUF_SHIFT=14 |
| 9 | CONFIG_BLK_DEV_INITRD=y | 9 | CONFIG_BLK_DEV_INITRD=y |
| 10 | CONFIG_EMBEDDED=y | 10 | CONFIG_EXPERT=y |
| 11 | CONFIG_KALLSYMS_EXTRA_PASS=y | 11 | CONFIG_KALLSYMS_EXTRA_PASS=y |
| 12 | CONFIG_SLAB=y | 12 | CONFIG_SLAB=y |
| 13 | CONFIG_MODULES=y | 13 | CONFIG_MODULES=y |
| @@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | # CONFIG_SWAP is not set | 3 | # CONFIG_SWAP is not set |
| 4 | CONFIG_SYSVIPC=y | 4 | CONFIG_SYSVIPC=y |
| 5 | CONFIG_LOG_BUF_SHIFT=14 | 5 | CONFIG_LOG_BUF_SHIFT=14 |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_AIO is not set | 7 | # CONFIG_AIO is not set |
| 8 | # CONFIG_VM_EVENT_COUNTERS is not set | 8 | # CONFIG_VM_EVENT_COUNTERS is not set |
| 9 | CONFIG_MODULES=y | 9 | CONFIG_MODULES=y |
| @@ -9,6 +9,10 @@ CONFIG_MODULE_UNLOAD=y · 8 unmodified lines | |||
| 9 | # CONFIG_LBDAF is not set | 9 | # CONFIG_LBDAF is not set |
| 10 | # CONFIG_BLK_DEV_BSG is not set | 10 | # CONFIG_BLK_DEV_BSG is not set |
| 11 | CONFIG_ARCH_U8500=y | 11 | CONFIG_ARCH_U8500=y |
| 12 | CONFIG_UX500_SOC_DB5500=y | ||
| 13 | CONFIG_UX500_SOC_DB8500=y | ||
| 14 | CONFIG_MACH_U8500=y | ||
| 15 | CONFIG_MACH_U5500=y | ||
| 12 | CONFIG_SMP=y | 16 | CONFIG_SMP=y |
| 13 | CONFIG_NR_CPUS=2 | 17 | CONFIG_NR_CPUS=2 |
| 14 | CONFIG_PREEMPT=y | 18 | CONFIG_PREEMPT=y |
| @@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y · 2 unmodified lines | |||
| 3 | CONFIG_SYSVIPC=y | 3 | CONFIG_SYSVIPC=y |
| 4 | CONFIG_LOG_BUF_SHIFT=13 | 4 | CONFIG_LOG_BUF_SHIFT=13 |
| 5 | CONFIG_SYSFS_DEPRECATED_V2=y | 5 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 6 | CONFIG_EMBEDDED=y | 6 | CONFIG_EXPERT=y |
| 7 | # CONFIG_ELF_CORE is not set | 7 | # CONFIG_ELF_CORE is not set |
| 8 | # CONFIG_SHMEM is not set | 8 | # CONFIG_SHMEM is not set |
| 9 | CONFIG_SLAB=y | 9 | CONFIG_SLAB=y |
| @@ -8,7 +8,7 @@ CONFIG_IKCONFIG_PROC=y · 7 unmodified lines | |||
| 8 | CONFIG_LOG_BUF_SHIFT=16 | 8 | CONFIG_LOG_BUF_SHIFT=16 |
| 9 | CONFIG_SYSFS_DEPRECATED_V2=y | 9 | CONFIG_SYSFS_DEPRECATED_V2=y |
| 10 | CONFIG_BLK_DEV_INITRD=y | 10 | CONFIG_BLK_DEV_INITRD=y |
| 11 | CONFIG_EMBEDDED=y | 11 | CONFIG_EXPERT=y |
| 12 | # CONFIG_UID16 is not set | 12 | # CONFIG_UID16 is not set |
| 13 | # CONFIG_SHMEM is not set | 13 | # CONFIG_SHMEM is not set |
| 14 | # CONFIG_VM_EVENT_COUNTERS is not set | 14 | # CONFIG_VM_EVENT_COUNTERS is not set |
| @@ -18,6 +18,7 @@ · 17 unmodified lines | |||
| 18 | #endif | 18 | #endif |
| 19 | 19 | ||
| 20 | #include <asm/ptrace.h> | 20 | #include <asm/ptrace.h> |
| 21 | #include <asm/domain.h> | ||
| 21 | 22 | ||
| 22 | /* | 23 | /* |
| 23 | * Endian independent macros for shifting bytes within registers. | 24 | * Endian independent macros for shifting bytes within registers. |
| @@ -157,16 +158,24 @@ · 133 unmodified lines | |||
| 157 | #ifdef CONFIG_SMP | 158 | #ifdef CONFIG_SMP |
| 158 | #define ALT_SMP(instr...) \ | 159 | #define ALT_SMP(instr...) \ |
| 159 | 9998: instr | 160 | 9998: instr |
| 161 | /* | ||
| 162 | * Note: if you get assembler errors from ALT_UP() when building with | ||
| 163 | * CONFIG_THUMB2_KERNEL, you almost certainly need to use | ||
| 164 | * ALT_SMP( W(instr) ... ) | ||
| 165 | */ | ||
| 160 | #define ALT_UP(instr...) \ | 166 | #define ALT_UP(instr...) \ |
| 161 | .pushsection ".alt.smp.init", "a" ;\ | 167 | .pushsection ".alt.smp.init", "a" ;\ |
| 162 | .long 9998b ;\ | 168 | .long 9998b ;\ |
| 163 | instr ;\ | 169 | 9997: instr ;\ |
| 170 | .if . - 9997b != 4 ;\ | ||
| 171 | .error "ALT_UP() content must assemble to exactly 4 bytes";\ | ||
| 172 | .endif ;\ | ||
| 164 | .popsection | 173 | .popsection |
| 165 | #define ALT_UP_B(label) \ | 174 | #define ALT_UP_B(label) \ |
| 166 | .equ up_b_offset, label - 9998b ;\ | 175 | .equ up_b_offset, label - 9998b ;\ |
| 167 | .pushsection ".alt.smp.init", "a" ;\ | 176 | .pushsection ".alt.smp.init", "a" ;\ |
| 168 | .long 9998b ;\ | 177 | .long 9998b ;\ |
| 169 | b . + up_b_offset ;\ | 178 | W(b) . + up_b_offset ;\ |
| 170 | .popsection | 179 | .popsection |
| 171 | #else | 180 | #else |
| 172 | #define ALT_SMP(instr...) | 181 | #define ALT_SMP(instr...) |
| @@ -177,16 +186,24 @@ · 4 unmodified lines | |||
| 177 | /* | 186 | /* |
| 178 | * SMP data memory barrier | 187 | * SMP data memory barrier |
| 179 | */ | 188 | */ |
| 180 | .macro smp_dmb | 189 | .macro smp_dmb mode |
| 181 | #ifdef CONFIG_SMP | 190 | #ifdef CONFIG_SMP |
| 182 | #if __LINUX_ARM_ARCH__ >= 7 | 191 | #if __LINUX_ARM_ARCH__ >= 7 |
| 192 | .ifeqs "\mode","arm" | ||
| 183 | ALT_SMP(dmb) | 193 | ALT_SMP(dmb) |
| 194 | .else | ||
| 195 | ALT_SMP(W(dmb)) | ||
| 196 | .endif | ||
| 184 | #elif __LINUX_ARM_ARCH__ == 6 | 197 | #elif __LINUX_ARM_ARCH__ == 6 |
| 185 | ALT_SMP(mcr p15, 0, r0, c7, c10, 5) @ dmb | 198 | ALT_SMP(mcr p15, 0, r0, c7, c10, 5) @ dmb |
| 186 | #else | 199 | #else |
| 187 | #error Incompatible SMP platform | 200 | #error Incompatible SMP platform |
| 188 | #endif | 201 | #endif |
| 202 | .ifeqs "\mode","arm" | ||
| 189 | ALT_UP(nop) | 203 | ALT_UP(nop) |
| 204 | .else | ||
| 205 | ALT_UP(W(nop)) | ||
| 206 | .endif | ||
| 190 | #endif | 207 | #endif |
| 191 | .endm | 208 | .endm |
| 192 | 209 | ||
| @@ -206,12 +223,12 @@ · 13 unmodified lines | |||
| 206 | */ | 223 | */ |
| 207 | #ifdef CONFIG_THUMB2_KERNEL | 224 | #ifdef CONFIG_THUMB2_KERNEL |
| 208 | 225 | ||
| 209 | .macro usraccoff, instr, reg, ptr, inc, off, cond, abort | 226 | .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=T() |
| 210 | 9999: | 227 | 9999: |
| 211 | .if \inc == 1 | 228 | .if \inc == 1 |
| 212 | \instr\cond\()bt \reg, [\ptr, #\off] | 229 | \instr\cond\()b\()\t\().w \reg, [\ptr, #\off] |
| 213 | .elseif \inc == 4 | 230 | .elseif \inc == 4 |
| 214 | \instr\cond\()t \reg, [\ptr, #\off] | 231 | \instr\cond\()\t\().w \reg, [\ptr, #\off] |
| 215 | .else | 232 | .else |
| 216 | .error "Unsupported inc macro argument" | 233 | .error "Unsupported inc macro argument" |
| 217 | .endif | 234 | .endif |
| @@ -246,13 +263,13 @@ · 28 unmodified lines | |||
| 246 | 263 | ||
| 247 | #else /* !CONFIG_THUMB2_KERNEL */ | 264 | #else /* !CONFIG_THUMB2_KERNEL */ |
| 248 | 265 | ||
| 249 | .macro usracc, instr, reg, ptr, inc, cond, rept, abort | 266 | .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=T() |
| 250 | .rept \rept | 267 | .rept \rept |
| 251 | 9999: | 268 | 9999: |
| 252 | .if \inc == 1 | 269 | .if \inc == 1 |
| 253 | \instr\cond\()bt \reg, [\ptr], #\inc | 270 | \instr\cond\()b\()\t \reg, [\ptr], #\inc |
| 254 | .elseif \inc == 4 | 271 | .elseif \inc == 4 |
| 255 | \instr\cond\()t \reg, [\ptr], #\inc | 272 | \instr\cond\()\t \reg, [\ptr], #\inc |
| 256 | .else | 273 | .else |
| 257 | .error "Unsupported inc macro argument" | 274 | .error "Unsupported inc macro argument" |
| 258 | .endif | 275 | .endif |
| @@ -285,7 +285,7 @@ static inline int fls(int x) · 284 unmodified lines | |||
| 285 | if (__builtin_constant_p(x)) | 285 | if (__builtin_constant_p(x)) |
| 286 | return constant_fls(x); | 286 | return constant_fls(x); |
| 287 | 287 | ||
| 288 | asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc"); | 288 | asm("clz\t%0, %1" : "=r" (ret) : "r" (x)); |
| 289 | ret = 32 - ret; | 289 | ret = 32 - ret; |
| 290 | return ret; | 290 | return ret; |
| 291 | } | 291 | } |
| @@ -23,4 +23,6 @@ · 22 unmodified lines | |||
| 23 | #define ARCH_SLAB_MINALIGN 8 | 23 | #define ARCH_SLAB_MINALIGN 8 |
| 24 | #endif | 24 | #endif |
| 25 | 25 | ||
| 26 | #define __read_mostly __attribute__((__section__(".data..read_mostly"))) | ||
| 27 | |||
| 26 | #endif | 28 | #endif |
| @@ -12,23 +12,13 @@ · 11 unmodified lines | |||
| 12 | #ifndef __ASM_CLKDEV_H | 12 | #ifndef __ASM_CLKDEV_H |
| 13 | #define __ASM_CLKDEV_H | 13 | #define __ASM_CLKDEV_H |
| 14 | 14 | ||
| 15 | struct clk; | 15 | #include <linux/slab.h> |
| 16 | struct device; | ||
| 17 | 16 | ||
| 18 | struct clk_lookup { | 17 | #include <mach/clkdev.h> |
| 19 | struct list_head node; | ||
| 20 | const char *dev_id; | ||
| 21 | const char *con_id; | ||
| 22 | struct clk *clk; | ||
| 23 | }; | ||
| 24 | 18 | ||
| 25 | struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, | 19 | static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) |
| 26 | const char *dev_fmt, ...); | 20 | { |
| 27 | 21 | return kzalloc(size, GFP_KERNEL); | |
| 28 | void clkdev_add(struct clk_lookup *cl); | 22 | } |
| 29 | void clkdev_drop(struct clk_lookup *cl); | ||
| 30 | |||
| 31 | void clkdev_add_table(struct clk_lookup *, size_t); | ||
| 32 | int clk_add_alias(const char *, const char *, char *, struct device *); | ||
| 33 | 23 | ||
| 34 | #endif | 24 | #endif |
| @@ -5,24 +5,29 @@ · 4 unmodified lines | |||
| 5 | 5 | ||
| 6 | #include <linux/mm_types.h> | 6 | #include <linux/mm_types.h> |
| 7 | #include <linux/scatterlist.h> | 7 | #include <linux/scatterlist.h> |
| 8 | #include <linux/dma-debug.h> | ||
| 8 | 9 | ||
| 9 | #include <asm-generic/dma-coherent.h> | 10 | #include <asm-generic/dma-coherent.h> |
| 10 | #include <asm/memory.h> | 11 | #include <asm/memory.h> |
| 11 | 12 | ||
| 13 | #ifdef __arch_page_to_dma | ||
| 14 | #error Please update to __arch_pfn_to_dma | ||
| 15 | #endif | ||
| 16 | |||
| 12 | /* | 17 | /* |
| 13 | * page_to_dma/dma_to_virt/virt_to_dma are architecture private functions | 18 | * dma_to_pfn/pfn_to_dma/dma_to_virt/virt_to_dma are architecture private |
| 14 | * used internally by the DMA-mapping API to provide DMA addresses. They | 19 | * functions used internally by the DMA-mapping API to provide DMA |
| 15 | * must not be used by drivers. | 20 | * addresses. They must not be used by drivers. |
| 16 | */ | 21 | */ |
| 17 | #ifndef __arch_page_to_dma | 22 | #ifndef __arch_pfn_to_dma |
| 18 | static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) | 23 | static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn) |
| 19 | { | 24 | { |
| 20 | return (dma_addr_t)__pfn_to_bus(page_to_pfn(page)); | 25 | return (dma_addr_t)__pfn_to_bus(pfn); |
| 21 | } | 26 | } |
| 22 | 27 | ||
| 23 | static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr) | 28 | static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) |
| 24 | { | 29 | { |
| 25 | return pfn_to_page(__bus_to_pfn(addr)); | 30 | return __bus_to_pfn(addr); |
| 26 | } | 31 | } |
| 27 | 32 | ||
| 28 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) | 33 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) |
| @@ -35,14 +40,14 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) · 6 unmodified lines | |||
| 35 | return (dma_addr_t)__virt_to_bus((unsigned long)(addr)); | 40 | return (dma_addr_t)__virt_to_bus((unsigned long)(addr)); |
| 36 | } | 41 | } |
| 37 | #else | 42 | #else |
| 38 | static inline dma_addr_t page_to_dma(struct device *dev, struct page *page) | 43 | static inline dma_addr_t pfn_to_dma(struct device *dev, unsigned long pfn) |
| 39 | { | 44 | { |
| 40 | return __arch_page_to_dma(dev, page); | 45 | return __arch_pfn_to_dma(dev, pfn); |
| 41 | } | 46 | } |
| 42 | 47 | ||
| 43 | static inline struct page *dma_to_page(struct device *dev, dma_addr_t addr) | 48 | static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) |
| 44 | { | 49 | { |
| 45 | return __arch_dma_to_page(dev, addr); | 50 | return __arch_dma_to_pfn(dev, addr); |
| 46 | } | 51 | } |
| 47 | 52 | ||
| 48 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) | 53 | static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) |
| @@ -293,13 +298,13 @@ extern int dma_needs_bounce(struct device*, dma_addr_t, size_t); · 244 unmodified lines | |||
| 293 | /* | 298 | /* |
| 294 | * The DMA API, implemented by dmabounce.c. See below for descriptions. | 299 | * The DMA API, implemented by dmabounce.c. See below for descriptions. |
| 295 | */ | 300 | */ |
| 296 | extern dma_addr_t dma_map_single(struct device *, void *, size_t, | 301 | extern dma_addr_t __dma_map_single(struct device *, void *, size_t, |
| 297 | enum dma_data_direction); | 302 | enum dma_data_direction); |
| 298 | extern void dma_unmap_single(struct device *, dma_addr_t, size_t, | 303 | extern void __dma_unmap_single(struct device *, dma_addr_t, size_t, |
| 299 | enum dma_data_direction); | 304 | enum dma_data_direction); |
| 300 | extern dma_addr_t dma_map_page(struct device *, struct page *, | 305 | extern dma_addr_t __dma_map_page(struct device *, struct page *, |
| 301 | unsigned long, size_t, enum dma_data_direction); | 306 | unsigned long, size_t, enum dma_data_direction); |
| 302 | extern void dma_unmap_page(struct device *, dma_addr_t, size_t, | 307 | extern void __dma_unmap_page(struct device *, dma_addr_t, size_t, |
| 303 | enum dma_data_direction); | 308 | enum dma_data_direction); |
| 304 | 309 | ||
| 305 | /* | 310 | /* |
| @@ -323,6 +328,34 @@ static inline int dmabounce_sync_for_device(struct device *d, dma_addr_t addr, · 17 unmodified lines | |||
| 323 | } | 328 | } |
| 324 | 329 | ||
| 325 | 330 | ||
| 331 | static inline dma_addr_t __dma_map_single(struct device *dev, void *cpu_addr, | ||
| 332 | size_t size, enum dma_data_direction dir) | ||
| 333 | { | ||
| 334 | __dma_single_cpu_to_dev(cpu_addr, size, dir); | ||
| 335 | return virt_to_dma(dev, cpu_addr); | ||
| 336 | } | ||
| 337 | |||
| 338 | static inline dma_addr_t __dma_map_page(struct device *dev, struct page *page, | ||
| 339 | unsigned long offset, size_t size, enum dma_data_direction dir) | ||
| 340 | { | ||
| 341 | __dma_page_cpu_to_dev(page, offset, size, dir); | ||
| 342 | return pfn_to_dma(dev, page_to_pfn(page)) + offset; | ||
| 343 | } | ||
| 344 | |||
| 345 | static inline void __dma_unmap_single(struct device *dev, dma_addr_t handle, | ||
| 346 | size_t size, enum dma_data_direction dir) | ||
| 347 | { | ||
| 348 | __dma_single_dev_to_cpu(dma_to_virt(dev, handle), size, dir); | ||
| 349 | } | ||
| 350 | |||
| 351 | static inline void __dma_unmap_page(struct device *dev, dma_addr_t handle, | ||
| 352 | size_t size, enum dma_data_direction dir) | ||
| 353 | { | ||
| 354 | __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)), | ||
| 355 | handle & ~PAGE_MASK, size, dir); | ||
| 356 | } | ||
| 357 | #endif /* CONFIG_DMABOUNCE */ | ||
| 358 | |||
| 326 | /** | 359 | /** |
| 327 | * dma_map_single - map a single buffer for streaming DMA | 360 | * dma_map_single - map a single buffer for streaming DMA |
| 328 | * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices | 361 | * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices |
| @@ -340,11 +373,16 @@ static inline int dmabounce_sync_for_device(struct device *d, dma_addr_t addr, · 11 unmodified lines | |||
| 340 | static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, | 373 | static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, |
| 341 | size_t size, enum dma_data_direction dir) | 374 | size_t size, enum dma_data_direction dir) |
| 342 | { | 375 | { |
| 376 | dma_addr_t addr; | ||
| 377 | |||
| 343 | BUG_ON(!valid_dma_direction(dir)); | 378 | BUG_ON(!valid_dma_direction(dir)); |
| 344 | 379 | ||
| 345 | __dma_single_cpu_to_dev(cpu_addr, size, dir); | 380 | addr = __dma_map_single(dev, cpu_addr, size, dir); |
| 381 | debug_dma_map_page(dev, virt_to_page(cpu_addr), | ||
| 382 | (unsigned long)cpu_addr & ~PAGE_MASK, size, | ||
| 383 | dir, addr, true); | ||
| 346 | 384 | ||
| 347 | return virt_to_dma(dev, cpu_addr); | 385 | return addr; |
| 348 | } | 386 | } |
| 349 | 387 | ||
| 350 | /** | 388 | /** |
| @@ -364,11 +402,14 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, · 13 unmodified lines | |||
| 364 | static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, | 402 | static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, |
| 365 | unsigned long offset, size_t size, enum dma_data_direction dir) | 403 | unsigned long offset, size_t size, enum dma_data_direction dir) |
| 366 | { | 404 | { |
| 405 | dma_addr_t addr; | ||
| 406 | |||
| 367 | BUG_ON(!valid_dma_direction(dir)); | 407 | BUG_ON(!valid_dma_direction(dir)); |
| 368 | 408 | ||
| 369 | __dma_page_cpu_to_dev(page, offset, size, dir); | 409 | addr = __dma_map_page(dev, page, offset, size, dir); |
| 410 | debug_dma_map_page(dev, page, offset, size, dir, addr, false); | ||
| 370 | 411 | ||
| 371 | return page_to_dma(dev, page) + offset; | 412 | return addr; |
| 372 | } | 413 | } |
| 373 | 414 | ||
| 374 | /** | 415 | /** |
| @@ -388,7 +429,8 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, · 13 unmodified lines | |||
| 388 | static inline void dma_unmap_single(struct device *dev, dma_addr_t handle, | 429 | static inline void dma_unmap_single(struct device *dev, dma_addr_t handle, |
| 389 | size_t size, enum dma_data_direction dir) | 430 | size_t size, enum dma_data_direction dir) |
| 390 | { | 431 | { |
| 391 | __dma_single_dev_to_cpu(dma_to_virt(dev, handle), size, dir); | 432 | debug_dma_unmap_page(dev, handle, size, dir, true); |
| 433 | __dma_unmap_single(dev, handle, size, dir); | ||
| 392 | } | 434 | } |
| 393 | 435 | ||
| 394 | /** | 436 | /** |
| @@ -408,10 +450,9 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t handle, · 13 unmodified lines | |||
| 408 | static inline void dma_unmap_page(struct device *dev, dma_addr_t handle, | 450 | static inline void dma_unmap_page(struct device *dev, dma_addr_t handle, |
| 409 | size_t size, enum dma_data_direction dir) | 451 | size_t size, enum dma_data_direction dir) |
| 410 | { | 452 | { |
| 411 | __dma_page_dev_to_cpu(dma_to_page(dev, handle), handle & ~PAGE_MASK, | 453 | debug_dma_unmap_page(dev, handle, size, dir, false); |
| 412 | size, dir); | 454 | __dma_unmap_page(dev, handle, size, dir); |
| 413 | } | 455 | } |
| 414 | #endif /* CONFIG_DMABOUNCE */ | ||
| 415 | 456 | ||
| 416 | /** | 457 | /** |
| 417 | * dma_sync_single_range_for_cpu | 458 | * dma_sync_single_range_for_cpu |
| @@ -437,6 +478,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev, · 19 unmodified lines | |||
| 437 | { | 478 | { |
| 438 | BUG_ON(!valid_dma_direction(dir)); | 479 | BUG_ON(!valid_dma_direction(dir)); |
| 439 | 480 | ||
| 481 | debug_dma_sync_single_for_cpu(dev, handle + offset, size, dir); | ||
| 482 | |||
| 440 | if (!dmabounce_sync_for_cpu(dev, handle, offset, size, dir)) | 483 | if (!dmabounce_sync_for_cpu(dev, handle, offset, size, dir)) |
| 441 | return; | 484 | return; |
| 442 | 485 | ||
| @@ -449,6 +492,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev, · 6 unmodified lines | |||
| 449 | { | 492 | { |
| 450 | BUG_ON(!valid_dma_direction(dir)); | 493 | BUG_ON(!valid_dma_direction(dir)); |
| 451 | 494 | ||
| 495 | debug_dma_sync_single_for_device(dev, handle + offset, size, dir); | ||
| 496 | |||
| 452 | if (!dmabounce_sync_for_device(dev, handle, offset, size, dir)) | 497 | if (!dmabounce_sync_for_device(dev, handle, offset, size, dir)) |
| 453 | return; | 498 | return; |
| 454 | 499 | ||
| @@ -45,13 +45,17 @@ · 44 unmodified lines | |||
| 45 | */ | 45 | */ |
| 46 | #define DOMAIN_NOACCESS 0 | 46 | #define DOMAIN_NOACCESS 0 |
| 47 | #define DOMAIN_CLIENT 1 | 47 | #define DOMAIN_CLIENT 1 |
| 48 | #ifdef CONFIG_CPU_USE_DOMAINS | ||
| 48 | #define DOMAIN_MANAGER 3 | 49 | #define DOMAIN_MANAGER 3 |
| 50 | #else | ||
| 51 | #define DOMAIN_MANAGER 1 | ||
| 52 | #endif | ||
| 49 | 53 | ||
| 50 | #define domain_val(dom,type) ((type) << (2*(dom))) | 54 | #define domain_val(dom,type) ((type) << (2*(dom))) |
| 51 | 55 | ||
| 52 | #ifndef __ASSEMBLY__ | 56 | #ifndef __ASSEMBLY__ |
| 53 | 57 | ||
| 54 | #ifdef CONFIG_MMU | 58 | #ifdef CONFIG_CPU_USE_DOMAINS |
| 55 | #define set_domain(x) \ | 59 | #define set_domain(x) \ |
| 56 | do { \ | 60 | do { \ |
| 57 | __asm__ __volatile__( \ | 61 | __asm__ __volatile__( \ |
| @@ -74,5 +78,28 @@ · 16 unmodified lines | |||
| 74 | #define modify_domain(dom,type) do { } while (0) | 78 | #define modify_domain(dom,type) do { } while (0) |
| 75 | #endif | 79 | #endif |
| 76 | 80 | ||
| 81 | /* | ||
| 82 | * Generate the T (user) versions of the LDR/STR and related | ||
| 83 | * instructions (inline assembly) | ||
| 84 | */ | ||
| 85 | #ifdef CONFIG_CPU_USE_DOMAINS | ||
| 86 | #define T(instr) #instr "t" | ||
| 87 | #else | ||
| 88 | #define T(instr) #instr | ||
| 77 | #endif | 89 | #endif |
| 78 | #endif /* !__ASSEMBLY__ */ | 90 | |
| 91 | #else /* __ASSEMBLY__ */ | ||
| 92 | |||
| 93 | /* | ||
| 94 | * Generate the T (user) versions of the LDR/STR and related | ||
| 95 | * instructions | ||
| 96 | */ | ||
| 97 | #ifdef CONFIG_CPU_USE_DOMAINS | ||
| 98 | #define T(instr) instr ## t | ||
| 99 | #else | ||
| 100 | #define T(instr) instr | ||
| 101 | #endif | ||
| 102 | |||
| 103 | #endif /* __ASSEMBLY__ */ | ||
| 104 | |||
| 105 | #endif /* !__ASM_PROC_DOMAIN_H */ | ||
| @@ -99,6 +99,8 @@ struct elf32_hdr; · 98 unmodified lines | |||
| 99 | extern int elf_check_arch(const struct elf32_hdr *); | 99 | extern int elf_check_arch(const struct elf32_hdr *); |
| 100 | #define elf_check_arch elf_check_arch | 100 | #define elf_check_arch elf_check_arch |
| 101 | 101 | ||
| 102 | #define vmcore_elf64_check_arch(x) (0) | ||
| 103 | |||
| 102 | extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); | 104 | extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); |
| 103 | #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) | 105 | #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) |
| 104 | 106 | ||
| @@ -0,0 +1,44 @@ | |||
| 1 | /* | ||
| 2 | * Interrupt handling. Preserves r7, r8, r9 | ||
| 3 | */ | ||
| 4 | .macro arch_irq_handler_default | ||
| 5 | get_irqnr_preamble r5, lr | ||
| 6 | 1: get_irqnr_and_base r0, r6, r5, lr | ||
| 7 | movne r1, sp | ||
| 8 | @ | ||
| 9 | @ routine called with r0 = irq number, r1 = struct pt_regs * | ||
| 10 | @ | ||
| 11 | adrne lr, BSYM(1b) | ||
| 12 | bne asm_do_IRQ | ||
| 13 | |||
| 14 | #ifdef CONFIG_SMP | ||
| 15 | /* | ||
| 16 | * XXX | ||
| 17 | * | ||
| 18 | * this macro assumes that irqstat (r6) and base (r5) are | ||
| 19 | * preserved from get_irqnr_and_base above | ||
| 20 | */ | ||
| 21 | ALT_SMP(test_for_ipi r0, r6, r5, lr) | ||
| 22 | ALT_UP_B(9997f) | ||
| 23 | movne r1, sp | ||
| 24 | adrne lr, BSYM(1b) | ||
| 25 | bne do_IPI | ||
| 26 | |||
| 27 | #ifdef CONFIG_LOCAL_TIMERS | ||
| 28 | test_for_ltirq r0, r6, r5, lr | ||
| 29 | movne r0, sp | ||
| 30 | adrne lr, BSYM(1b) | ||
| 31 | bne do_local_timer | ||
| 32 | #endif | ||
| 33 | #endif | ||
| 34 | 9997: | ||
| 35 | .endm | ||
| 36 | |||
| 37 | .macro arch_irq_handler, symbol_name | ||
| 38 | .align 5 | ||
| 39 | .global \symbol_name | ||
| 40 | \symbol_name: | ||
| 41 | mov r4, lr | ||
| 42 | arch_irq_handler_default | ||
| 43 | mov pc, r4 | ||
| 44 | .endm | ||
| @@ -13,12 +13,13 @@ · 12 unmodified lines | |||
| 13 | #include <linux/preempt.h> | 13 | #include <linux/preempt.h> |
| 14 | #include <linux/uaccess.h> | 14 | #include <linux/uaccess.h> |
| 15 | #include <asm/errno.h> | 15 | #include <asm/errno.h> |
| 16 | #include <asm/domain.h> | ||
| 16 | 17 | ||
| 17 | #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ | 18 | #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ |
| 18 | __asm__ __volatile__( \ | 19 | __asm__ __volatile__( \ |
| 19 | "1: ldrt %1, [%2]\n" \ | 20 | "1: " T(ldr) " %1, [%2]\n" \ |
| 20 | " " insn "\n" \ | 21 | " " insn "\n" \ |
| 21 | "2: strt %0, [%2]\n" \ | 22 | "2: " T(str) " %0, [%2]\n" \ |
| 22 | " mov %0, #0\n" \ | 23 | " mov %0, #0\n" \ |
| 23 | "3:\n" \ | 24 | "3:\n" \ |
| 24 | " .pushsection __ex_table,\"a\"\n" \ | 25 | " .pushsection __ex_table,\"a\"\n" \ |
| @@ -97,10 +98,10 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) · 72 unmodified lines | |||
| 97 | pagefault_disable(); /* implies preempt_disable() */ | 98 | pagefault_disable(); /* implies preempt_disable() */ |
| 98 | 99 | ||
| 99 | __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" | 100 | __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" |
| 100 | "1: ldrt %0, [%3]\n" | 101 | "1: " T(ldr) " %0, [%3]\n" |
| 101 | " teq %0, %1\n" | 102 | " teq %0, %1\n" |
| 102 | " it eq @ explicit IT needed for the 2b label\n" | 103 | " it eq @ explicit IT needed for the 2b label\n" |
| 103 | "2: streqt %2, [%3]\n" | 104 | "2: " T(streq) " %2, [%3]\n" |
| 104 | "3:\n" | 105 | "3:\n" |
| 105 | " .pushsection __ex_table,\"a\"\n" | 106 | " .pushsection __ex_table,\"a\"\n" |
| 106 | " .align 3\n" | 107 | " .align 3\n" |
| @@ -5,13 +5,31 @@ · 4 unmodified lines | |||
| 5 | #include <linux/threads.h> | 5 | #include <linux/threads.h> |
| 6 | #include <asm/irq.h> | 6 | #include <asm/irq.h> |
| 7 | 7 | ||
| 8 | #define NR_IPI 5 | ||
| 9 | |||
| 8 | typedef struct { | 10 | typedef struct { |
| 9 | unsigned int __softirq_pending; | 11 | unsigned int __softirq_pending; |
| 12 | #ifdef CONFIG_LOCAL_TIMERS | ||
| 10 | unsigned int local_timer_irqs; | 13 | unsigned int local_timer_irqs; |
| 14 | #endif | ||
| 15 | #ifdef CONFIG_SMP | ||
| 16 | unsigned int ipi_irqs[NR_IPI]; | ||
| 17 | #endif | ||
| 11 | } ____cacheline_aligned irq_cpustat_t; | 18 | } ____cacheline_aligned irq_cpustat_t; |
| 12 | 19 | ||
| 13 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | 20 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ |
| 14 | 21 | ||
| 22 | #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++ | ||
| 23 | #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member) | ||
| 24 | |||
| 25 | #ifdef CONFIG_SMP | ||
| 26 | u64 smp_irq_stat_cpu(unsigned int cpu); | ||
| 27 | #else | ||
| 28 | #define smp_irq_stat_cpu(cpu) 0 | ||
| 29 | #endif | ||
| 30 | |||
| 31 | #define arch_irq_stat_cpu smp_irq_stat_cpu | ||
| 32 | |||
| 15 | #if NR_IRQS > 512 | 33 | #if NR_IRQS > 512 |
| 16 | #define HARDIRQ_BITS 10 | 34 | #define HARDIRQ_BITS 10 |
| 17 | #elif NR_IRQS > 256 | 35 | #elif NR_IRQS > 256 |
| @@ -36,6 +36,7 @@ · 35 unmodified lines | |||
| 36 | #define L2X0_RAW_INTR_STAT 0x21C | 36 | #define L2X0_RAW_INTR_STAT 0x21C |
| 37 | #define L2X0_INTR_CLEAR 0x220 | 37 | #define L2X0_INTR_CLEAR 0x220 |
| 38 | #define L2X0_CACHE_SYNC 0x730 | 38 | #define L2X0_CACHE_SYNC 0x730 |
| 39 | #define L2X0_DUMMY_REG 0x740 | ||
| 39 | #define L2X0_INV_LINE_PA 0x770 | 40 | #define L2X0_INV_LINE_PA 0x770 |
| 40 | #define L2X0_INV_WAY 0x77C | 41 | #define L2X0_INV_WAY 0x77C |
| 41 | #define L2X0_CLEAN_LINE_PA 0x7B0 | 42 | #define L2X0_CLEAN_LINE_PA 0x7B0 |
| @@ -59,7 +60,17 @@ · 17 unmodified lines | |||
| 59 | #define L2X0_CACHE_ID_PART_MASK (0xf << 6) | 60 | #define L2X0_CACHE_ID_PART_MASK (0xf << 6) |
| 60 | #define L2X0_CACHE_ID_PART_L210 (1 << 6) | 61 | #define L2X0_CACHE_ID_PART_L210 (1 << 6) |
| 61 | #define L2X0_CACHE_ID_PART_L310 (3 << 6) | 62 | #define L2X0_CACHE_ID_PART_L310 (3 << 6) |
| 62 | #define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x3 << 17) | 63 | |
| 64 | #define L2X0_AUX_CTRL_MASK 0xc0000fff | ||
| 65 | #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT 16 | ||
| 66 | #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT 17 | ||
| 67 | #define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x3 << 17) | ||
| 68 | #define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT 22 | ||
| 69 | #define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT 26 | ||
| 70 | #define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT 27 | ||
| 71 | #define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT 28 | ||
| 72 | #define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT 29 | ||
| 73 | #define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT 30 | ||
| 63 | 74 | ||
| 64 | #ifndef __ASSEMBLY__ | 75 | #ifndef __ASSEMBLY__ |
| 65 | extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); | 76 | extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); |
| @@ -0,0 +1,75 @@ | |||
| 1 | /* | ||
| 2 | * arch/arm/include/asm/hardware/entry-macro-gic.S | ||
| 3 | * | ||
| 4 | * Low-level IRQ helper macros for GIC | ||
| 5 | * | ||
| 6 | * This file is licensed under the terms of the GNU General Public | ||
| 7 | * License version 2. This program is licensed "as is" without any | ||
| 8 | * warranty of any kind, whether express or implied. | ||
| 9 | */ | ||
| 10 | |||
| 11 | #include <asm/hardware/gic.h> | ||
| 12 | |||
| 13 | #ifndef HAVE_GET_IRQNR_PREAMBLE | ||
| 14 | .macro get_irqnr_preamble, base, tmp | ||
| 15 | ldr \base, =gic_cpu_base_addr | ||
| 16 | ldr \base, [\base] | ||
| 17 | .endm | ||
| 18 | #endif | ||
| 19 | |||
| 20 | /* | ||
| 21 | * The interrupt numbering scheme is defined in the | ||
| 22 | * interrupt controller spec. To wit: | ||
| 23 | * | ||
| 24 | * Interrupts 0-15 are IPI | ||
| 25 | * 16-28 are reserved | ||
| 26 | * 29-31 are local. We allow 30 to be used for the watchdog. | ||
| 27 | * 32-1020 are global | ||
| 28 | * 1021-1022 are reserved | ||
| 29 | * 1023 is "spurious" (no interrupt) | ||
| 30 | * | ||
| 31 | * For now, we ignore all local interrupts so only return an interrupt if it's | ||
| 32 | * between 30 and 1020. The test_for_ipi routine below will pick up on IPIs. | ||
| 33 | * | ||
| 34 | * A simple read from the controller will tell us the number of the highest | ||
| 35 | * priority enabled interrupt. We then just need to check whether it is in the | ||
| 36 | * valid range for an IRQ (30-1020 inclusive). | ||
| 37 | */ | ||
| 38 | |||
| 39 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
| 40 | |||
| 41 | ldr \irqstat, [\base, #GIC_CPU_INTACK] | ||
| 42 | /* bits 12-10 = src CPU, 9-0 = int # */ | ||
| 43 | |||
| 44 | ldr \tmp, =1021 | ||
| 45 | bic \irqnr, \irqstat, #0x1c00 | ||
| 46 | cmp \irqnr, #29 | ||
| 47 | cmpcc \irqnr, \irqnr | ||
| 48 | cmpne \irqnr, \tmp | ||
| 49 | cmpcs \irqnr, \irqnr | ||
| 50 | .endm | ||
| 51 | |||
| 52 | /* We assume that irqstat (the raw value of the IRQ acknowledge | ||
| 53 | * register) is preserved from the macro above. | ||
| 54 | * If there is an IPI, we immediately signal end of interrupt on the | ||
| 55 | * controller, since this requires the original irqstat value which | ||
| 56 | * we won't easily be able to recreate later. | ||
| 57 | */ | ||
| 58 | |||
| 59 | .macro test_for_ipi, irqnr, irqstat, base, tmp | ||
| 60 | bic \irqnr, \irqstat, #0x1c00 | ||
| 61 | cmp \irqnr, #16 | ||
| 62 | strcc \irqstat, [\base, #GIC_CPU_EOI] | ||
| 63 | cmpcs \irqnr, \irqnr | ||
| 64 | .endm | ||
| 65 | |||
| 66 | /* As above, this assumes that irqstat and base are preserved.. */ | ||
| 67 | |||
| 68 | .macro test_for_ltirq, irqnr, irqstat, base, tmp | ||
| 69 | bic \irqnr, \irqstat, #0x1c00 | ||
| 70 | mov \tmp, #0 | ||
| 71 | cmp \irqnr, #29 | ||
| 72 | moveq \tmp, #1 | ||
| 73 | streq \irqstat, [\base, #GIC_CPU_EOI] | ||
| 74 | cmp \tmp, #0 | ||
| 75 | .endm | ||
| @@ -33,10 +33,13 @@ · 32 unmodified lines | |||
| 33 | #define GIC_DIST_SOFTINT 0xf00 | 33 | #define GIC_DIST_SOFTINT 0xf00 |
| 34 | 34 | ||
| 35 | #ifndef __ASSEMBLY__ | 35 | #ifndef __ASSEMBLY__ |
| 36 | void gic_dist_init(unsigned int gic_nr, void __iomem *base, unsigned int irq_start); | 36 | extern void __iomem *gic_cpu_base_addr; |
| 37 | void gic_cpu_init(unsigned int gic_nr, void __iomem *base); | 37 | |
| 38 | void gic_init(unsigned int, unsigned int, void __iomem *, void __iomem *); | ||
| 39 | void gic_secondary_init(unsigned int); | ||
| 38 | void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); | 40 | void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); |
| 39 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq); | 41 | void gic_raise_softirq(const struct cpumask *mask, unsigned int irq); |
| 42 | void gic_enable_ppi(unsigned int); | ||
| 40 | #endif | 43 | #endif |
| 41 | 44 | ||
| 42 | #endif | 45 | #endif |
| @@ -50,8 +50,17 @@ · 49 unmodified lines | |||
| 50 | #define SCPCELLID2 0xFF8 | 50 | #define SCPCELLID2 0xFF8 |
| 51 | #define SCPCELLID3 0xFFC | 51 | #define SCPCELLID3 0xFFC |
| 52 | 52 | ||
| 53 | #define SCCTRL_TIMEREN0SEL_REFCLK (0 << 15) | ||
| 54 | #define SCCTRL_TIMEREN0SEL_TIMCLK (1 << 15) | ||
| 55 | |||
| 56 | #define SCCTRL_TIMEREN1SEL_REFCLK (0 << 17) | ||
| 57 | #define SCCTRL_TIMEREN1SEL_TIMCLK (1 << 17) | ||
| 58 | |||
| 53 | static inline void sysctl_soft_reset(void __iomem *base) | 59 | static inline void sysctl_soft_reset(void __iomem *base) |
| 54 | { | 60 | { |
| 61 | /* switch to slow mode */ | ||
| 62 | writel(0x2, base + SCCTRL); | ||
| 63 | |||
| 55 | /* writing any value to SCSYSSTAT reg will reset system */ | 64 | /* writing any value to SCSYSSTAT reg will reset system */ |
| 56 | writel(0, base + SCSYSSTAT); | 65 | writel(0, base + SCSYSSTAT); |
| 57 | } | 66 | } |
File renamed without changes.
| @@ -20,8 +20,8 @@ struct arch_hw_breakpoint_ctrl { · 19 unmodified lines | |||
| 20 | struct arch_hw_breakpoint { | 20 | struct arch_hw_breakpoint { |
| 21 | u32 address; | 21 | u32 address; |
| 22 | u32 trigger; | 22 | u32 trigger; |
| 23 | struct perf_event *suspended_wp; | 23 | struct arch_hw_breakpoint_ctrl step_ctrl; |
| 24 | struct arch_hw_breakpoint_ctrl ctrl; | 24 | struct arch_hw_breakpoint_ctrl ctrl; |
| 25 | }; | 25 | }; |
| 26 | 26 | ||
| 27 | static inline u32 encode_ctrl_reg(struct arch_hw_breakpoint_ctrl ctrl) | 27 | static inline u32 encode_ctrl_reg(struct arch_hw_breakpoint_ctrl ctrl) |
| @@ -95,6 +95,15 @@ static inline void __iomem *__typesafe_io(unsigned long addr) · 94 unmodified lines | |||
| 95 | return (void __iomem *)addr; | 95 | return (void __iomem *)addr; |
| 96 | } | 96 | } |
| 97 | 97 | ||
| 98 | /* IO barriers */ | ||
| 99 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
| 100 | #define __iormb() rmb() | ||
| 101 | #define __iowmb() wmb() | ||
| 102 | #else | ||
| 103 | #define __iormb() do { } while (0) | ||
| 104 | #define __iowmb() do { } while (0) | ||
| 105 | #endif | ||
| 106 | |||
| 98 | /* | 107 | /* |
| 99 | * Now, pick up the machine-defined IO definitions | 108 | * Now, pick up the machine-defined IO definitions |
| 100 | */ | 109 | */ |
| @@ -125,17 +134,17 @@ static inline void __iomem *__typesafe_io(unsigned long addr) · 24 unmodified lines | |||
| 125 | * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. | 134 | * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. |
| 126 | */ | 135 | */ |
| 127 | #ifdef __io | 136 | #ifdef __io |
| 128 | #define outb(v,p) __raw_writeb(v,__io(p)) | 137 | #define outb(v,p) ({ __iowmb(); __raw_writeb(v,__io(p)); }) |
| 129 | #define outw(v,p) __raw_writew((__force __u16) \ | 138 | #define outw(v,p) ({ __iowmb(); __raw_writew((__force __u16) \ |
| 130 | cpu_to_le16(v),__io(p)) | 139 | cpu_to_le16(v),__io(p)); }) |
| 131 | #define outl(v,p) __raw_writel((__force __u32) \ | 140 | #define outl(v,p) ({ __iowmb(); __raw_writel((__force __u32) \ |
| 132 | cpu_to_le32(v),__io(p)) | 141 | cpu_to_le32(v),__io(p)); }) |
| 133 | 142 | ||
| 134 | #define inb(p) ({ __u8 __v = __raw_readb(__io(p)); __v; }) | 143 | #define inb(p) ({ __u8 __v = __raw_readb(__io(p)); __iormb(); __v; }) |
| 135 | #define inw(p) ({ __u16 __v = le16_to_cpu((__force __le16) \ | 144 | #define inw(p) ({ __u16 __v = le16_to_cpu((__force __le16) \ |
| 136 | __raw_readw(__io(p))); __v; }) | 145 | __raw_readw(__io(p))); __iormb(); __v; }) |
| 137 | #define inl(p) ({ __u32 __v = le32_to_cpu((__force __le32) \ | 146 | #define inl(p) ({ __u32 __v = le32_to_cpu((__force __le32) \ |
| 138 | __raw_readl(__io(p))); __v; }) | 147 | __raw_readl(__io(p))); __iormb(); __v; }) |
| 139 | 148 | ||
| 140 | #define outsb(p,d,l) __raw_writesb(__io(p),d,l) | 149 | #define outsb(p,d,l) __raw_writesb(__io(p),d,l) |
| 141 | #define outsw(p,d,l) __raw_writesw(__io(p),d,l) | 150 | #define outsw(p,d,l) __raw_writesw(__io(p),d,l) |
| @@ -192,14 +201,6 @@ extern void _memset_io(volatile void __iomem *, int, size_t); · 50 unmodified lines | |||
| 192 | #define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ | 201 | #define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ |
| 193 | cpu_to_le32(v),__mem_pci(c))) | 202 | cpu_to_le32(v),__mem_pci(c))) |
| 194 | 203 | ||
| 195 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
| 196 | #define __iormb() rmb() | ||
| 197 | #define __iowmb() wmb() | ||
| 198 | #else | ||
| 199 | #define __iormb() do { } while (0) | ||
| 200 | #define __iowmb() do { } while (0) | ||
| 201 | #endif | ||
| 202 | |||
| 203 | #define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; }) | 204 | #define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; }) |
| 204 | #define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; }) | 205 | #define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; }) |
| 205 | #define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; }) | 206 | #define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; }) |
| @@ -241,18 +242,15 @@ extern void _memset_io(volatile void __iomem *, int, size_t); · 35 unmodified lines | |||
| 241 | * | 242 | * |
| 242 | */ | 243 | */ |
| 243 | #ifndef __arch_ioremap | 244 | #ifndef __arch_ioremap |
| 244 | #define ioremap(cookie,size) __arm_ioremap(cookie, size, MT_DEVICE) | 245 | #define __arch_ioremap __arm_ioremap |
| 245 | #define ioremap_nocache(cookie,size) __arm_ioremap(cookie, size, MT_DEVICE) | 246 | #define __arch_iounmap __iounmap |
| 246 | #define ioremap_cached(cookie,size) __arm_ioremap(cookie, size, MT_DEVICE_CACHED) | 247 | #endif |
| 247 | #define ioremap_wc(cookie,size) __arm_ioremap(cookie, size, MT_DEVICE_WC) | 248 | |
| 248 | #define iounmap(cookie) __iounmap(cookie) | ||
| 249 | #else | ||
| 250 | #define ioremap(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE) | 249 | #define ioremap(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE) |
| 251 | #define ioremap_nocache(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE) | 250 | #define ioremap_nocache(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE) |
| 252 | #define ioremap_cached(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE_CACHED) | 251 | #define ioremap_cached(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE_CACHED) |
| 253 | #define ioremap_wc(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE_WC) | 252 | #define ioremap_wc(cookie,size) __arch_ioremap((cookie), (size), MT_DEVICE_WC) |
| 254 | #define iounmap(cookie) __arch_iounmap(cookie) | 253 | #define iounmap __arch_iounmap |
| 255 | #endif | ||
| 256 | 254 | ||
| 257 | /* | 255 | /* |
| 258 | * io{read,write}{8,16,32} macros | 256 | * io{read,write}{8,16,32} macros |
| @@ -33,10 +33,20 @@ static inline void crash_setup_regs(struct pt_regs *newregs, · 32 unmodified lines | |||
| 33 | if (oldregs) { | 33 | if (oldregs) { |
| 34 | memcpy(newregs, oldregs, sizeof(*newregs)); | 34 | memcpy(newregs, oldregs, sizeof(*newregs)); |
| 35 | } else { | 35 | } else { |
| 36 | __asm__ __volatile__ ("stmia %0, {r0 - r15}" | 36 | __asm__ __volatile__ ( |
| 37 | : : "r" (&newregs->ARM_r0)); | 37 | "stmia %[regs_base], {r0-r12}\n\t" |
| 38 | __asm__ __volatile__ ("mrs %0, cpsr" | 38 | "mov %[_ARM_sp], sp\n\t" |
| 39 | : "=r" (newregs->ARM_cpsr)); | 39 | "str lr, %[_ARM_lr]\n\t" |
| 40 | "adr %[_ARM_pc], 1f\n\t" | ||
| 41 | "mrs %[_ARM_cpsr], cpsr\n\t" | ||
| 42 | "1:" | ||
| 43 | : [_ARM_pc] "=r" (newregs->ARM_pc), | ||
| 44 | [_ARM_cpsr] "=r" (newregs->ARM_cpsr), | ||
| 45 | [_ARM_sp] "=r" (newregs->ARM_sp), | ||
| 46 | [_ARM_lr] "=o" (newregs->ARM_lr) | ||
| 47 | : [regs_base] "r" (&newregs->ARM_r0) | ||
| 48 | : "memory" | ||
| 49 | ); | ||
| 40 | } | 50 | } |
| 41 | } | 51 | } |
| 42 | 52 | ||
| @@ -30,7 +30,6 @@ asmlinkage void do_local_timer(struct pt_regs *); · 29 unmodified lines | |||
| 30 | #include "smp_twd.h" | 30 | #include "smp_twd.h" |
| 31 | 31 | ||
| 32 | #define local_timer_ack() twd_timer_ack() | 32 | #define local_timer_ack() twd_timer_ack() |
| 33 | #define local_timer_stop() twd_timer_stop() | ||
| 34 | 33 | ||
| 35 | #else | 34 | #else |
| 36 | 35 | ||
| @@ -40,11 +39,6 @@ asmlinkage void do_local_timer(struct pt_regs *); · 3 unmodified lines | |||
| 40 | */ | 39 | */ |
| 41 | int local_timer_ack(void); | 40 | int local_timer_ack(void); |
| 42 | 41 | ||
| 43 | /* | ||
| 44 | * Stop a local timer interrupt. | ||
| 45 | */ | ||
| 46 | void local_timer_stop(void); | ||
| 47 | |||
| 48 | #endif | 42 | #endif |
| 49 | 43 | ||
| 50 | /* | 44 | /* |
| @@ -52,12 +46,6 @@ void local_timer_stop(void); · 1 unmodified line | |||
| 52 | */ | 46 | */ |
| 53 | void local_timer_setup(struct clock_event_device *); | 47 | void local_timer_setup(struct clock_event_device *); |
| 54 | 48 | ||
| 55 | #else | ||
| 56 | |||
| 57 | static inline void local_timer_stop(void) | ||
| 58 | { | ||
| 59 | } | ||
| 60 | |||
| 61 | #endif | 49 | #endif |
| 62 | 50 | ||
| 63 | #endif | 51 | #endif |
| @@ -37,11 +37,20 @@ struct machine_desc { · 36 unmodified lines | |||
| 37 | struct meminfo *); | 37 | struct meminfo *); |
| 38 | void (*reserve)(void);/* reserve mem blocks */ | 38 | void (*reserve)(void);/* reserve mem blocks */ |
| 39 | void (*map_io)(void);/* IO mapping function */ | 39 | void (*map_io)(void);/* IO mapping function */ |
| 40 | void (*init_early)(void); | ||
| 40 | void (*init_irq)(void); | 41 | void (*init_irq)(void); |
| 41 | struct sys_timer *timer; /* system tick timer */ | 42 | struct sys_timer *timer; /* system tick timer */ |
| 42 | void (*init_machine)(void); | 43 | void (*init_machine)(void); |
| 44 | #ifdef CONFIG_MULTI_IRQ_HANDLER | ||
| 45 | void (*handle_irq)(struct pt_regs *); | ||
| 46 | #endif | ||
| 43 | }; | 47 | }; |
| 44 | 48 | ||
| 49 | /* | ||
| 50 | * Current machine - only accessible during boot. | ||
| 51 | */ | ||
| 52 | extern struct machine_desc *machine_desc; | ||
| 53 | |||
| 45 | /* | 54 | /* |
| 46 | * Set of macros to define architecture features. This is built into | 55 | * Set of macros to define architecture features. This is built into |
| 47 | * a table by the linker. | 56 | * a table by the linker. |
| @@ -17,10 +17,12 @@ struct seq_file; · 16 unmodified lines | |||
| 17 | /* | 17 | /* |
| 18 | * This is internal. Do not use it. | 18 | * This is internal. Do not use it. |
| 19 | */ | 19 | */ |
| 20 | extern unsigned int arch_nr_irqs; | ||
| 21 | extern void (*init_arch_irq)(void); | ||
| 22 | extern void init_FIQ(void); | 20 | extern void init_FIQ(void); |
| 23 | extern int show_fiq_list(struct seq_file *, void *); | 21 | extern int show_fiq_list(struct seq_file *, int); |
| 22 | |||
| 23 | #ifdef CONFIG_MULTI_IRQ_HANDLER | ||
| 24 | extern void (*handle_arch_irq)(struct pt_regs *); | ||
| 25 | #endif | ||
| 24 | 26 | ||
| 25 | /* | 27 | /* |
| 26 | * This is for easy migration, but should be changed in the source | 28 | * This is for easy migration, but should be changed in the source |
| @@ -43,7 +43,6 @@ struct sys_timer { · 42 unmodified lines | |||
| 43 | #endif | 43 | #endif |
| 44 | }; | 44 | }; |
| 45 | 45 | ||
| 46 | extern struct sys_timer *system_timer; | ||
| 47 | extern void timer_tick(void); | 46 | extern void timer_tick(void); |
| 48 | 47 | ||
| 49 | #endif | 48 | #endif |
| @@ -188,7 +188,7 @@ · 187 unmodified lines | |||
| 188 | * translation for translating DMA addresses. Use the driver | 188 | * translation for translating DMA addresses. Use the driver |
| 189 | * DMA support - see dma-mapping.h. | 189 | * DMA support - see dma-mapping.h. |
| 190 | */ | 190 | */ |
| 191 | static inline unsigned long virt_to_phys(void *x) | 191 | static inline unsigned long virt_to_phys(const volatile void *x) |
| 192 | { | 192 | { |
| 193 | return __virt_to_phys((unsigned long)(x)); | 193 | return __virt_to_phys((unsigned long)(x)); |
| 194 | } | 194 | } |
| @@ -8,11 +8,6 @@ · 7 unmodified lines | |||
| 8 | struct unwind_table; | 8 | struct unwind_table; |
| 9 | 9 | ||
| 10 | #ifdef CONFIG_ARM_UNWIND | 10 | #ifdef CONFIG_ARM_UNWIND |
| 11 | struct arm_unwind_mapping { | ||
| 12 | Elf_Shdr *unw_sec; | ||
| 13 | Elf_Shdr *sec_text; | ||
| 14 | struct unwind_table *unwind; | ||
| 15 | }; | ||
| 16 | enum { | 11 | enum { |
| 17 | ARM_SEC_INIT, | 12 | ARM_SEC_INIT, |
| 18 | ARM_SEC_DEVINIT, | 13 | ARM_SEC_DEVINIT, |
| @@ -21,13 +16,13 @@ enum { · 2 unmodified lines | |||
| 21 | ARM_SEC_DEVEXIT, | 16 | ARM_SEC_DEVEXIT, |
| 22 | ARM_SEC_MAX, | 17 | ARM_SEC_MAX, |
| 23 | }; | 18 | }; |
| 19 | #endif | ||
| 20 | |||
| 24 | struct mod_arch_specific { | 21 | struct mod_arch_specific { |
| 25 | struct arm_unwind_mapping map[ARM_SEC_MAX]; | 22 | #ifdef CONFIG_ARM_UNWIND |
| 26 | }; | 23 | struct unwind_table *unwind[ARM_SEC_MAX]; |
| 27 | #else | ||
| 28 | struct mod_arch_specific { | ||
| 29 | }; | ||
| 30 | #endif | 24 | #endif |
| 25 | }; | ||
| 31 | 26 | ||
| 32 | /* | 27 | /* |
| 33 | * Include the ARM architecture version. | 28 | * Include the ARM architecture version. |
| @@ -151,13 +151,15 @@ extern void __cpu_copy_user_highpage(struct page *to, struct page *from, · 150 unmodified lines | |||
| 151 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) | 151 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) |
| 152 | extern void copy_page(void *to, const void *from); | 152 | extern void copy_page(void *to, const void *from); |
| 153 | 153 | ||
| 154 | typedef unsigned long pteval_t; | ||
| 155 | |||
| 154 | #undef STRICT_MM_TYPECHECKS | 156 | #undef STRICT_MM_TYPECHECKS |
| 155 | 157 | ||
| 156 | #ifdef STRICT_MM_TYPECHECKS | 158 | #ifdef STRICT_MM_TYPECHECKS |
| 157 | /* | 159 | /* |
| 158 | * These are used to make use of C type-checking.. | 160 | * These are used to make use of C type-checking.. |
| 159 | */ | 161 | */ |
| 160 | typedef struct { unsigned long pte; } pte_t; | 162 | typedef struct { pteval_t pte; } pte_t; |
| 161 | typedef struct { unsigned long pmd; } pmd_t; | 163 | typedef struct { unsigned long pmd; } pmd_t; |
| 162 | typedef struct { unsigned long pgd[2]; } pgd_t; | 164 | typedef struct { unsigned long pgd[2]; } pgd_t; |
| 163 | typedef struct { unsigned long pgprot; } pgprot_t; | 165 | typedef struct { unsigned long pgprot; } pgprot_t; |
| @@ -175,7 +177,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; · 11 unmodified lines | |||
| 175 | /* | 177 | /* |
| 176 | * .. while these make it easier on the compiler | 178 | * .. while these make it easier on the compiler |
| 177 | */ | 179 | */ |
| 178 | typedef unsigned long pte_t; | 180 | typedef pteval_t pte_t; |
| 179 | typedef unsigned long pmd_t; | 181 | typedef unsigned long pmd_t; |
| 180 | typedef unsigned long pgd_t[2]; | 182 | typedef unsigned long pgd_t[2]; |
| 181 | typedef unsigned long pgprot_t; | 183 | typedef unsigned long pgprot_t; |
| @@ -30,14 +30,16 @@ · 29 unmodified lines | |||
| 30 | #define pmd_free(mm, pmd) do { } while (0) | 30 | #define pmd_free(mm, pmd) do { } while (0) |
| 31 | #define pgd_populate(mm,pmd,pte) BUG() | 31 | #define pgd_populate(mm,pmd,pte) BUG() |
| 32 | 32 | ||
| 33 | extern pgd_t *get_pgd_slow(struct mm_struct *mm); | 33 | extern pgd_t *pgd_alloc(struct mm_struct *mm); |
| 34 | extern void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd); | 34 | extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); |
| 35 | |||
| 36 | #define pgd_alloc(mm) get_pgd_slow(mm) | ||
| 37 | #define pgd_free(mm, pgd) free_pgd_slow(mm, pgd) | ||
| 38 | 35 | ||
| 39 | #define PGALLOC_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO) | 36 | #define PGALLOC_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO) |
| 40 | 37 | ||
| 38 | static inline void clean_pte_table(pte_t *pte) | ||
| 39 | { | ||
| 40 | clean_dcache_area(pte + PTE_HWTABLE_PTRS, PTE_HWTABLE_SIZE); | ||
| 41 | } | ||
| 42 | |||
| 41 | /* | 43 | /* |
| 42 | * Allocate one PTE table. | 44 | * Allocate one PTE table. |
| 43 | * | 45 | * |
| @@ -45,14 +47,14 @@ extern void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd); · 1 unmodified line | |||
| 45 | * into one table thus: | 47 | * into one table thus: |
| 46 | * | 48 | * |
| 47 | * +------------+ | 49 | * +------------+ |
| 48 | * | h/w pt 0 | | ||
| 49 | * +------------+ | ||
| 50 | * | h/w pt 1 | | ||
| 51 | * +------------+ | ||
| 52 | * | Linux pt 0 | | 50 | * | Linux pt 0 | |
| 53 | * +------------+ | 51 | * +------------+ |
| 54 | * | Linux pt 1 | | 52 | * | Linux pt 1 | |
| 55 | * +------------+ | 53 | * +------------+ |
| 54 | * | h/w pt 0 | | ||
| 55 | * +------------+ | ||
| 56 | * | h/w pt 1 | | ||
| 57 | * +------------+ | ||
| 56 | */ | 58 | */ |
| 57 | static inline pte_t * | 59 | static inline pte_t * |
| 58 | pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) | 60 | pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) |
| @@ -60,10 +62,8 @@ pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) · 1 unmodified line | |||
| 60 | pte_t *pte; | 62 | pte_t *pte; |
| 61 | 63 | ||
| 62 | pte = (pte_t *)__get_free_page(PGALLOC_GFP); | 64 | pte = (pte_t *)__get_free_page(PGALLOC_GFP); |
| 63 | if (pte) { | 65 | if (pte) |
| 64 | clean_dcache_area(pte, sizeof(pte_t) * PTRS_PER_PTE); | 66 | clean_pte_table(pte); |
| 65 | pte += PTRS_PER_PTE; | ||
| 66 | } | ||
| 67 | 67 | ||
| 68 | return pte; | 68 | return pte; |
| 69 | } | 69 | } |
| @@ -79,10 +79,8 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr) · 9 unmodified lines | |||
| 79 | pte = alloc_pages(PGALLOC_GFP, 0); | 79 | pte = alloc_pages(PGALLOC_GFP, 0); |
| 80 | #endif | 80 | #endif |
| 81 | if (pte) { | 81 | if (pte) { |
| 82 | if (!PageHighMem(pte)) { | 82 | if (!PageHighMem(pte)) |
| 83 | void *page = page_address(pte); | 83 | clean_pte_table(page_address(pte)); |
| 84 | clean_dcache_area(page, sizeof(pte_t) * PTRS_PER_PTE); | ||
| 85 | } | ||
| 86 | pgtable_page_ctor(pte); | 84 | pgtable_page_ctor(pte); |
| 87 | } | 85 | } |
| 88 | 86 | ||
| @@ -94,10 +92,8 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr) · 5 unmodified lines | |||
| 94 | */ | 92 | */ |
| 95 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | 93 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) |
| 96 | { | 94 | { |
| 97 | if (pte) { | 95 | if (pte) |
| 98 | pte -= PTRS_PER_PTE; | ||
| 99 | free_page((unsigned long)pte); | 96 | free_page((unsigned long)pte); |
| 100 | } | ||
| 101 | } | 97 | } |
| 102 | 98 | ||
| 103 | static inline void pte_free(struct mm_struct *mm, pgtable_t pte) | 99 | static inline void pte_free(struct mm_struct *mm, pgtable_t pte) |
| @@ -106,8 +102,10 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) · 2 unmodified lines | |||
| 106 | __free_page(pte); | 102 | __free_page(pte); |
| 107 | } | 103 | } |
| 108 | 104 | ||
| 109 | static inline void __pmd_populate(pmd_t *pmdp, unsigned long pmdval) | 105 | static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, |
| 106 | unsigned long prot) | ||
| 110 | { | 107 | { |
| 108 | unsigned long pmdval = (pte + PTE_HWTABLE_OFF) | prot; | ||
| 111 | pmdp[0] = __pmd(pmdval); | 109 | pmdp[0] = __pmd(pmdval); |
| 112 | pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t)); | 110 | pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t)); |
| 113 | flush_pmd_entry(pmdp); | 111 | flush_pmd_entry(pmdp); |
| @@ -122,20 +120,16 @@ static inline void __pmd_populate(pmd_t *pmdp, unsigned long pmdval) · 8 unmodified lines | |||
| 122 | static inline void | 120 | static inline void |
| 123 | pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) | 121 | pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) |
| 124 | { | 122 | { |
| 125 | unsigned long pte_ptr = (unsigned long)ptep; | ||
| 126 | |||
| 127 | /* | 123 | /* |
| 128 | * The pmd must be loaded with the physical | 124 | * The pmd must be loaded with the physical address of the PTE table |
| 129 | * address of the PTE table | ||
| 130 | */ | 125 | */ |
| 131 | pte_ptr -= PTRS_PER_PTE * sizeof(void *); | 126 | __pmd_populate(pmdp, __pa(ptep), _PAGE_KERNEL_TABLE); |
| 132 | __pmd_populate(pmdp, __pa(pte_ptr) | _PAGE_KERNEL_TABLE); | ||
| 133 | } | 127 | } |
| 134 | 128 | ||
| 135 | static inline void | 129 | static inline void |
| 136 | pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep) | 130 | pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep) |
| 137 | { | 131 | { |
| 138 | __pmd_populate(pmdp, page_to_pfn(ptep) << PAGE_SHIFT | _PAGE_USER_TABLE); | 132 | __pmd_populate(pmdp, page_to_phys(ptep), _PAGE_USER_TABLE); |
| 139 | } | 133 | } |
| 140 | #define pmd_pgtable(pmd) pmd_page(pmd) | 134 | #define pmd_pgtable(pmd) pmd_page(pmd) |
| 141 | 135 | ||
| @@ -10,6 +10,7 @@ · 9 unmodified lines | |||
| 10 | #ifndef _ASMARM_PGTABLE_H | 10 | #ifndef _ASMARM_PGTABLE_H |
| 11 | #define _ASMARM_PGTABLE_H | 11 | #define _ASMARM_PGTABLE_H |
| 12 | 12 | ||
| 13 | #include <linux/const.h> | ||
| 13 | #include <asm-generic/4level-fixup.h> | 14 | #include <asm-generic/4level-fixup.h> |
| 14 | #include <asm/proc-fns.h> | 15 | #include <asm/proc-fns.h> |
| 15 | 16 | ||
| @@ -54,7 +55,7 @@ · 38 unmodified lines | |||
| 54 | * Therefore, we tweak the implementation slightly - we tell Linux that we | 55 | * Therefore, we tweak the implementation slightly - we tell Linux that we |
| 55 | * have 2048 entries in the first level, each of which is 8 bytes (iow, two | 56 | * have 2048 entries in the first level, each of which is 8 bytes (iow, two |
| 56 | * hardware pointers to the second level.) The second level contains two | 57 | * hardware pointers to the second level.) The second level contains two |
| 57 | * hardware PTE tables arranged contiguously, followed by Linux versions | 58 | * hardware PTE tables arranged contiguously, preceded by Linux versions |
| 58 | * which contain the state information Linux needs. We, therefore, end up | 59 | * which contain the state information Linux needs. We, therefore, end up |
| 59 | * with 512 entries in the "PTE" level. | 60 | * with 512 entries in the "PTE" level. |
| 60 | * | 61 | * |
| @@ -62,15 +63,15 @@ · 1 unmodified line | |||
| 62 | * | 63 | * |
| 63 | * pgd pte | 64 | * pgd pte |
| 64 | * | | | 65 | * | | |
| 65 | * +--------+ +0 | 66 | * +--------+ |
| 66 | * | |-----> +------------+ +0 | 67 | * | | +------------+ +0 |
| 68 | * +- - - - + | Linux pt 0 | | ||
| 69 | * | | +------------+ +1024 | ||
| 70 | * +--------+ +0 | Linux pt 1 | | ||
| 71 | * | |-----> +------------+ +2048 | ||
| 67 | * +- - - - + +4 | h/w pt 0 | | 72 | * +- - - - + +4 | h/w pt 0 | |
| 68 | * | |-----> +------------+ +1024 | 73 | * | |-----> +------------+ +3072 |
| 69 | * +--------+ +8 | h/w pt 1 | | 74 | * +--------+ +8 | h/w pt 1 | |
| 70 | * | | +------------+ +2048 | ||
| 71 | * +- - - - + | Linux pt 0 | | ||
| 72 | * | | +------------+ +3072 | ||
| 73 | * +--------+ | Linux pt 1 | | ||
| 74 | * | | +------------+ +4096 | 75 | * | | +------------+ +4096 |
| 75 | * | 76 | * |
| 76 | * See L_PTE_xxx below for definitions of bits in the "Linux pt", and | 77 | * See L_PTE_xxx below for definitions of bits in the "Linux pt", and |
| @@ -102,6 +103,10 @@ · 25 unmodified lines | |||
| 102 | #define PTRS_PER_PMD 1 | 103 | #define PTRS_PER_PMD 1 |
| 103 | #define PTRS_PER_PGD 2048 | 104 | #define PTRS_PER_PGD 2048 |
| 104 | 105 | ||
| 106 | #define PTE_HWTABLE_PTRS (PTRS_PER_PTE) | ||
| 107 | #define PTE_HWTABLE_OFF (PTE_HWTABLE_PTRS * sizeof(pte_t)) | ||
| 108 | #define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u32)) | ||
| 109 | |||
| 105 | /* | 110 | /* |
| 106 | * PMD_SHIFT determines the size of the area a second-level page table can map | 111 | * PMD_SHIFT determines the size of the area a second-level page table can map |
| 107 | * PGDIR_SHIFT determines what a third-level page table entry can map | 112 | * PGDIR_SHIFT determines what a third-level page table entry can map |
| @@ -112,13 +117,13 @@ · 4 unmodified lines | |||
| 112 | #define LIBRARY_TEXT_START 0x0c000000 | 117 | #define LIBRARY_TEXT_START 0x0c000000 |
| 113 | 118 | ||
| 114 | #ifndef __ASSEMBLY__ | 119 | #ifndef __ASSEMBLY__ |
| 115 | extern void __pte_error(const char *file, int line, unsigned long val); | 120 | extern void __pte_error(const char *file, int line, pte_t); |
| 116 | extern void __pmd_error(const char *file, int line, unsigned long val); | 121 | extern void __pmd_error(const char *file, int line, pmd_t); |
| 117 | extern void __pgd_error(const char *file, int line, unsigned long val); | 122 | extern void __pgd_error(const char *file, int line, pgd_t); |
| 118 | 123 | ||
| 119 | #define pte_ERROR(pte) __pte_error(__FILE__, __LINE__, pte_val(pte)) | 124 | #define pte_ERROR(pte) __pte_error(__FILE__, __LINE__, pte) |
| 120 | #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd_val(pmd)) | 125 | #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd) |
| 121 | #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd_val(pgd)) | 126 | #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd) |
| 122 | #endif /* !__ASSEMBLY__ */ | 127 | #endif /* !__ASSEMBLY__ */ |
| 123 | 128 | ||
| 124 | #define PMD_SIZE (1UL << PMD_SHIFT) | 129 | #define PMD_SIZE (1UL << PMD_SHIFT) |
| @@ -133,8 +138,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val); · 8 unmodified lines | |||
| 133 | */ | 138 | */ |
| 134 | #define FIRST_USER_ADDRESS PAGE_SIZE | 139 | #define FIRST_USER_ADDRESS PAGE_SIZE |
| 135 | 140 | ||
| 136 | #define FIRST_USER_PGD_NR 1 | 141 | #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) |
| 137 | #define USER_PTRS_PER_PGD ((TASK_SIZE/PGDIR_SIZE) - FIRST_USER_PGD_NR) | ||
| 138 | 142 | ||
| 139 | /* | 143 | /* |
| 140 | * section address mask and size definitions. | 144 | * section address mask and size definitions. |
| @@ -161,30 +165,30 @@ extern void __pgd_error(const char *file, int line, unsigned long val); · 20 unmodified lines | |||
| 161 | * The PTE table pointer refers to the hardware entries; the "Linux" | 165 | * The PTE table pointer refers to the hardware entries; the "Linux" |
| 162 | * entries are stored 1024 bytes below. | 166 | * entries are stored 1024 bytes below. |
| 163 | */ | 167 | */ |
| 164 | #define L_PTE_PRESENT (1 << 0) | 168 | #define L_PTE_PRESENT (_AT(pteval_t, 1) << 0) |
| 165 | #define L_PTE_YOUNG (1 << 1) | 169 | #define L_PTE_YOUNG (_AT(pteval_t, 1) << 1) |
| 166 | #define L_PTE_FILE (1 << 2) /* only when !PRESENT */ | 170 | #define L_PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !PRESENT */ |
| 167 | #define L_PTE_DIRTY (1 << 6) | 171 | #define L_PTE_DIRTY (_AT(pteval_t, 1) << 6) |
| 168 | #define L_PTE_WRITE (1 << 7) | 172 | #define L_PTE_RDONLY (_AT(pteval_t, 1) << 7) |
| 169 | #define L_PTE_USER (1 << 8) | 173 | #define L_PTE_USER (_AT(pteval_t, 1) << 8) |
| 170 | #define L_PTE_EXEC (1 << 9) | 174 | #define L_PTE_XN (_AT(pteval_t, 1) << 9) |
| 171 | #define L_PTE_SHARED (1 << 10) /* shared(v6), coherent(xsc3) */ | 175 | #define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */ |
| 172 | 176 | ||
| 173 | /* | 177 | /* |
| 174 | * These are the memory types, defined to be compatible with | 178 | * These are the memory types, defined to be compatible with |
| 175 | * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB | 179 | * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB |
| 176 | */ | 180 | */ |
| 177 | #define L_PTE_MT_UNCACHED (0x00 << 2) /* 0000 */ | 181 | #define L_PTE_MT_UNCACHED (_AT(pteval_t, 0x00) << 2) /* 0000 */ |
| 178 | #define L_PTE_MT_BUFFERABLE (0x01 << 2) /* 0001 */ | 182 | #define L_PTE_MT_BUFFERABLE (_AT(pteval_t, 0x01) << 2) /* 0001 */ |
| 179 | #define L_PTE_MT_WRITETHROUGH (0x02 << 2) /* 0010 */ | 183 | #define L_PTE_MT_WRITETHROUGH (_AT(pteval_t, 0x02) << 2) /* 0010 */ |
| 180 | #define L_PTE_MT_WRITEBACK (0x03 << 2) /* 0011 */ | 184 | #define L_PTE_MT_WRITEBACK (_AT(pteval_t, 0x03) << 2) /* 0011 */ |
| 181 | #define L_PTE_MT_MINICACHE (0x06 << 2) /* 0110 (sa1100, xscale) */ | 185 | #define L_PTE_MT_MINICACHE (_AT(pteval_t, 0x06) << 2) /* 0110 (sa1100, xscale) */ |
| 182 | #define L_PTE_MT_WRITEALLOC (0x07 << 2) /* 0111 */ | 186 | #define L_PTE_MT_WRITEALLOC (_AT(pteval_t, 0x07) << 2) /* 0111 */ |
| 183 | #define L_PTE_MT_DEV_SHARED (0x04 << 2) /* 0100 */ | 187 | #define L_PTE_MT_DEV_SHARED (_AT(pteval_t, 0x04) << 2) /* 0100 */ |
| 184 | #define L_PTE_MT_DEV_NONSHARED (0x0c << 2) /* 1100 */ | 188 | #define L_PTE_MT_DEV_NONSHARED (_AT(pteval_t, 0x0c) << 2) /* 1100 */ |
| 185 | #define L_PTE_MT_DEV_WC (0x09 << 2) /* 1001 */ | 189 | #define L_PTE_MT_DEV_WC (_AT(pteval_t, 0x09) << 2) /* 1001 */ |
| 186 | #define L_PTE_MT_DEV_CACHED (0x0b << 2) /* 1011 */ | 190 | #define L_PTE_MT_DEV_CACHED (_AT(pteval_t, 0x0b) << 2) /* 1011 */ |
| 187 | #define L_PTE_MT_MASK (0x0f << 2) | 191 | #define L_PTE_MT_MASK (_AT(pteval_t, 0x0f) << 2) |
| 188 | 192 | ||
| 189 | #ifndef __ASSEMBLY__ | 193 | #ifndef __ASSEMBLY__ |
| 190 | 194 | ||
| @@ -201,23 +205,44 @@ extern pgprot_t pgprot_kernel; · 10 unmodified lines | |||
| 201 | 205 | ||
| 202 | #define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) | 206 | #define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) |
| 203 | 207 | ||
| 204 | #define PAGE_NONE pgprot_user | 208 | #define PAGE_NONE _MOD_PROT(pgprot_user, L_PTE_XN | L_PTE_RDONLY) |
| 205 | #define PAGE_SHARED _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_WRITE) | 209 | #define PAGE_SHARED _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_XN) |
| 206 | #define PAGE_SHARED_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_WRITE | L_PTE_EXEC) | 210 | #define PAGE_SHARED_EXEC _MOD_PROT(pgprot_user, L_PTE_USER) |
| 207 | #define PAGE_COPY _MOD_PROT(pgprot_user, L_PTE_USER) | 211 | #define PAGE_COPY _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) |
| 208 | #define PAGE_COPY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_EXEC) | 212 | #define PAGE_COPY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY) |
| 209 | #define PAGE_READONLY _MOD_PROT(pgprot_user, L_PTE_USER) | 213 | #define PAGE_READONLY _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) |
| 210 | #define PAGE_READONLY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_EXEC) | 214 | #define PAGE_READONLY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY) |
| 211 | #define PAGE_KERNEL pgprot_kernel | 215 | #define PAGE_KERNEL _MOD_PROT(pgprot_kernel, L_PTE_XN) |
| 212 | #define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_kernel, L_PTE_EXEC) | 216 | #define PAGE_KERNEL_EXEC pgprot_kernel |
| 213 | 217 | ||
| 214 | #define __PAGE_NONE __pgprot(_L_PTE_DEFAULT) | 218 | #define __PAGE_NONE __pgprot(_L_PTE_DEFAULT | L_PTE_RDONLY | L_PTE_XN) |
| 215 | #define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_WRITE) | 219 | #define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_XN) |
| 216 | #define __PAGE_SHARED_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_WRITE | L_PTE_EXEC) | 220 | #define __PAGE_SHARED_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER) |
| 217 | #define __PAGE_COPY __pgprot(_L_PTE_DEFAULT | L_PTE_USER) | 221 | #define __PAGE_COPY __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) |
| 218 | #define __PAGE_COPY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_EXEC) | 222 | #define __PAGE_COPY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_RDONLY) |
| 219 | #define __PAGE_READONLY __pgprot(_L_PTE_DEFAULT | L_PTE_USER) | 223 | #define __PAGE_READONLY __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_RDONLY | L_PTE_XN) |
| 220 | #define __PAGE_READONLY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_EXEC) | 224 | #define __PAGE_READONLY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_RDONLY) |
| 225 | |||
| 226 | #define __pgprot_modify(prot,mask,bits) \ | ||
| 227 | __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) | ||
| 228 | |||
| 229 | #define pgprot_noncached(prot) \ | ||
| 230 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) | ||
| 231 | |||
| 232 | #define pgprot_writecombine(prot) \ | ||
| 233 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) | ||
| 234 | |||
| 235 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
| 236 | #define pgprot_dmacoherent(prot) \ | ||
| 237 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE | L_PTE_XN) | ||
| 238 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
| 239 | struct file; | ||
| 240 | extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
| 241 | unsigned long size, pgprot_t vma_prot); | ||
| 242 | #else | ||
| 243 | #define pgprot_dmacoherent(prot) \ | ||
| 244 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED | L_PTE_XN) | ||
| 245 | #endif | ||
| 221 | 246 | ||
| 222 | #endif /* __ASSEMBLY__ */ | 247 | #endif /* __ASSEMBLY__ */ |
| 223 | 248 | ||
| @@ -255,26 +280,84 @@ extern pgprot_t pgprot_kernel; · 31 unmodified lines | |||
| 255 | extern struct page *empty_zero_page; | 280 | extern struct page *empty_zero_page; |
| 256 | #define ZERO_PAGE(vaddr) (empty_zero_page) | 281 | #define ZERO_PAGE(vaddr) (empty_zero_page) |
| 257 | 282 | ||
| 258 | #define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT) | ||
| 259 | #define pfn_pte(pfn,prot) (__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))) | ||
| 260 | 283 | ||
| 261 | #define pte_none(pte) (!pte_val(pte)) | 284 | extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; |
| 262 | #define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0) | 285 | |
| 263 | #define pte_page(pte) (pfn_to_page(pte_pfn(pte))) | 286 | /* to find an entry in a page-table-directory */ |
| 264 | #define pte_offset_kernel(dir,addr) (pmd_page_vaddr(*(dir)) + __pte_index(addr)) | 287 | #define pgd_index(addr) ((addr) >> PGDIR_SHIFT) |
| 288 | |||
| 289 | #define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) | ||
| 290 | |||
| 291 | /* to find an entry in a kernel page-table-directory */ | ||
| 292 | #define pgd_offset_k(addr) pgd_offset(&init_mm, addr) | ||
| 293 | |||
| 294 | /* | ||
| 295 | * The "pgd_xxx()" functions here are trivial for a folded two-level | ||
| 296 | * setup: the pgd is never bad, and a pmd always exists (as it's folded | ||
| 297 | * into the pgd entry) | ||
| 298 | */ | ||
| 299 | #define pgd_none(pgd) (0) | ||
| 300 | #define pgd_bad(pgd) (0) | ||
| 301 | #define pgd_present(pgd) (1) | ||
| 302 | #define pgd_clear(pgdp) do { } while (0) | ||
| 303 | #define set_pgd(pgd,pgdp) do { } while (0) | ||
| 304 | |||
| 305 | |||
| 306 | /* Find an entry in the second-level page table.. */ | ||
| 307 | #define pmd_offset(dir, addr) ((pmd_t *)(dir)) | ||
| 308 | |||
| 309 | #define pmd_none(pmd) (!pmd_val(pmd)) | ||
| 310 | #define pmd_present(pmd) (pmd_val(pmd)) | ||
| 311 | #define pmd_bad(pmd) (pmd_val(pmd) & 2) | ||
| 312 | |||
| 313 | #define copy_pmd(pmdpd,pmdps) \ | ||
| 314 | do { \ | ||
| 315 | pmdpd[0] = pmdps[0]; \ | ||
| 316 | pmdpd[1] = pmdps[1]; \ | ||
| 317 | flush_pmd_entry(pmdpd); \ | ||
| 318 | } while (0) | ||
| 319 | |||
| 320 | #define pmd_clear(pmdp) \ | ||
| 321 | do { \ | ||
| 322 | pmdp[0] = __pmd(0); \ | ||
| 323 | pmdp[1] = __pmd(0); \ | ||
| 324 | clean_pmd_entry(pmdp); \ | ||
| 325 | } while (0) | ||
| 326 | |||
| 327 | static inline pte_t *pmd_page_vaddr(pmd_t pmd) | ||
| 328 | { | ||
| 329 | return __va(pmd_val(pmd) & PAGE_MASK); | ||
| 330 | } | ||
| 331 | |||
| 332 | #define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd))) | ||
| 333 | |||
| 334 | /* we don't need complex calculations here as the pmd is folded into the pgd */ | ||
| 335 | #define pmd_addr_end(addr,end) (end) | ||
| 265 | 336 | ||
| 266 | #define pte_offset_map(dir,addr) (__pte_map(dir) + __pte_index(addr)) | ||
| 267 | #define pte_unmap(pte) __pte_unmap(pte) | ||
| 268 | 337 | ||
| 269 | #ifndef CONFIG_HIGHPTE | 338 | #ifndef CONFIG_HIGHPTE |
| 270 | #define __pte_map(dir) pmd_page_vaddr(*(dir)) | 339 | #define __pte_map(pmd) pmd_page_vaddr(*(pmd)) |
| 271 | #define __pte_unmap(pte) do { } while (0) | 340 | #define __pte_unmap(pte) do { } while (0) |
| 272 | #else | 341 | #else |
| 273 | #define __pte_map(dir) ((pte_t *)kmap_atomic(pmd_page(*(dir))) + PTRS_PER_PTE) | 342 | #define __pte_map(pmd) (pte_t *)kmap_atomic(pmd_page(*(pmd))) |
| 274 | #define __pte_unmap(pte) kunmap_atomic((pte - PTRS_PER_PTE)) | 343 | #define __pte_unmap(pte) kunmap_atomic(pte) |
| 275 | #endif | 344 | #endif |
| 276 | 345 | ||
| 346 | #define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) | ||
| 347 | |||
| 348 | #define pte_offset_kernel(pmd,addr) (pmd_page_vaddr(*(pmd)) + pte_index(addr)) | ||
| 349 | |||
| 350 | #define pte_offset_map(pmd,addr) (__pte_map(pmd) + pte_index(addr)) | ||
| 351 | #define pte_unmap(pte) __pte_unmap(pte) | ||
| 352 | |||
| 353 | #define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT) | ||
| 354 | #define pfn_pte(pfn,prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
| 355 | |||
| 356 | #define pte_page(pte) pfn_to_page(pte_pfn(pte)) | ||
| 357 | #define mk_pte(page,prot) pfn_pte(page_to_pfn(page), prot) | ||
| 358 | |||
| 277 | #define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext) | 359 | #define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext) |
| 360 | #define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0) | ||
| 278 | 361 | ||
| 279 | #if __LINUX_ARM_ARCH__ < 6 | 362 | #if __LINUX_ARM_ARCH__ < 6 |
| 280 | static inline void __sync_icache_dcache(pte_t pteval) | 363 | static inline void __sync_icache_dcache(pte_t pteval) |
| @@ -295,15 +378,12 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, · 14 unmodified lines | |||
| 295 | } | 378 | } |
| 296 | } | 379 | } |
| 297 | 380 | ||
| 298 | /* | 381 | #define pte_none(pte) (!pte_val(pte)) |
| 299 | * The following only work if pte_present() is true. | ||
| 300 | * Undefined behaviour if not.. | ||
| 301 | */ | ||
| 302 | #define pte_present(pte) (pte_val(pte) & L_PTE_PRESENT) | 382 | #define pte_present(pte) (pte_val(pte) & L_PTE_PRESENT) |
| 303 | #define pte_write(pte) (pte_val(pte) & L_PTE_WRITE) | 383 | #define pte_write(pte) (!(pte_val(pte) & L_PTE_RDONLY)) |
| 304 | #define pte_dirty(pte) (pte_val(pte) & L_PTE_DIRTY) | 384 | #define pte_dirty(pte) (pte_val(pte) & L_PTE_DIRTY) |
| 305 | #define pte_young(pte) (pte_val(pte) & L_PTE_YOUNG) | 385 | #define pte_young(pte) (pte_val(pte) & L_PTE_YOUNG) |
| 306 | #define pte_exec(pte) (pte_val(pte) & L_PTE_EXEC) | 386 | #define pte_exec(pte) (!(pte_val(pte) & L_PTE_XN)) |
| 307 | #define pte_special(pte) (0) | 387 | #define pte_special(pte) (0) |
| 308 | 388 | ||
| 309 | #define pte_present_user(pte) \ | 389 | #define pte_present_user(pte) \ |
| @@ -313,8 +393,8 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, · 3 unmodified lines | |||
| 313 | #define PTE_BIT_FUNC(fn,op) \ | 393 | #define PTE_BIT_FUNC(fn,op) \ |
| 314 | static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; } | 394 | static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; } |
| 315 | 395 | ||
| 316 | PTE_BIT_FUNC(wrprotect, &= ~L_PTE_WRITE); | 396 | PTE_BIT_FUNC(wrprotect, |= L_PTE_RDONLY); |
| 317 | PTE_BIT_FUNC(mkwrite, |= L_PTE_WRITE); | 397 | PTE_BIT_FUNC(mkwrite, &= ~L_PTE_RDONLY); |
| 318 | PTE_BIT_FUNC(mkclean, &= ~L_PTE_DIRTY); | 398 | PTE_BIT_FUNC(mkclean, &= ~L_PTE_DIRTY); |
| 319 | PTE_BIT_FUNC(mkdirty, |= L_PTE_DIRTY); | 399 | PTE_BIT_FUNC(mkdirty, |= L_PTE_DIRTY); |
| 320 | PTE_BIT_FUNC(mkold, &= ~L_PTE_YOUNG); | 400 | PTE_BIT_FUNC(mkold, &= ~L_PTE_YOUNG); |
| @@ -322,101 +402,13 @@ PTE_BIT_FUNC(mkyoung, |= L_PTE_YOUNG); · 1 unmodified line | |||
| 322 | 402 | ||
| 323 | static inline pte_t pte_mkspecial(pte_t pte) { return pte; } | 403 | static inline pte_t pte_mkspecial(pte_t pte) { return pte; } |
| 324 | 404 | ||
| 325 | #define __pgprot_modify(prot,mask,bits) \ | ||
| 326 | __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) | ||
| 327 | |||
| 328 | /* | ||
| 329 | * Mark the prot value as uncacheable and unbufferable. | ||
| 330 | */ | ||
| 331 | #define pgprot_noncached(prot) \ | ||
| 332 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) | ||
| 333 | #define pgprot_writecombine(prot) \ | ||
| 334 | __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) | ||
| 335 | #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE | ||
| 336 | #define pgprot_dmacoherent(prot) \ | ||
| 337 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE) | ||
| 338 | #define __HAVE_PHYS_MEM_ACCESS_PROT | ||
| 339 | struct file; | ||
| 340 | extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | ||
| 341 | unsigned long size, pgprot_t vma_prot); | ||
| 342 | #else | ||
| 343 | #define pgprot_dmacoherent(prot) \ | ||
| 344 | __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED) | ||
| 345 | #endif | ||
| 346 | |||
| 347 | #define pmd_none(pmd) (!pmd_val(pmd)) | ||
| 348 | #define pmd_present(pmd) (pmd_val(pmd)) | ||
| 349 | #define pmd_bad(pmd) (pmd_val(pmd) & 2) | ||
| 350 | |||
| 351 | #define copy_pmd(pmdpd,pmdps) \ | ||
| 352 | do { \ | ||
| 353 | pmdpd[0] = pmdps[0]; \ | ||
| 354 | pmdpd[1] = pmdps[1]; \ | ||
| 355 | flush_pmd_entry(pmdpd); \ | ||
| 356 | } while (0) | ||
| 357 | |||
| 358 | #define pmd_clear(pmdp) \ | ||
| 359 | do { \ | ||
| 360 | pmdp[0] = __pmd(0); \ | ||
| 361 | pmdp[1] = __pmd(0); \ | ||
| 362 | clean_pmd_entry(pmdp); \ | ||
| 363 | } while (0) | ||
| 364 | |||
| 365 | static inline pte_t *pmd_page_vaddr(pmd_t pmd) | ||
| 366 | { | ||
| 367 | unsigned long ptr; | ||
| 368 | |||
| 369 | ptr = pmd_val(pmd) & ~(PTRS_PER_PTE * sizeof(void *) - 1); | ||
| 370 | ptr += PTRS_PER_PTE * sizeof(void *); | ||
| 371 | |||
| 372 | return __va(ptr); | ||
| 373 | } | ||
| 374 | |||
| 375 | #define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd))) | ||
| 376 | |||
| 377 | /* we don't need complex calculations here as the pmd is folded into the pgd */ | ||
| 378 | #define pmd_addr_end(addr,end) (end) | ||
| 379 | |||
| 380 | /* | ||
| 381 | * Conversion functions: convert a page and protection to a page entry, | ||
| 382 | * and a page entry and page directory to the page they refer to. | ||
| 383 | */ | ||
| 384 | #define mk_pte(page,prot) pfn_pte(page_to_pfn(page),prot) | ||
| 385 | |||
| 386 | /* | ||
| 387 | * The "pgd_xxx()" functions here are trivial for a folded two-level | ||
| 388 | * setup: the pgd is never bad, and a pmd always exists (as it's folded | ||
| 389 | * into the pgd entry) | ||
| 390 | */ | ||
| 391 | #define pgd_none(pgd) (0) | ||
| 392 | #define pgd_bad(pgd) (0) | ||
| 393 | #define pgd_present(pgd) (1) | ||
| 394 | #define pgd_clear(pgdp) do { } while (0) | ||
| 395 | #define set_pgd(pgd,pgdp) do { } while (0) | ||
| 396 | |||
| 397 | /* to find an entry in a page-table-directory */ | ||
| 398 | #define pgd_index(addr) ((addr) >> PGDIR_SHIFT) | ||
| 399 | |||
| 400 | #define pgd_offset(mm, addr) ((mm)->pgd+pgd_index(addr)) | ||
| 401 | |||
| 402 | /* to find an entry in a kernel page-table-directory */ | ||
| 403 | #define pgd_offset_k(addr) pgd_offset(&init_mm, addr) | ||
| 404 | |||
| 405 | /* Find an entry in the second-level page table.. */ | ||
| 406 | #define pmd_offset(dir, addr) ((pmd_t *)(dir)) | ||
| 407 | |||
| 408 | /* Find an entry in the third-level page table.. */ | ||
| 409 | #define __pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) | ||
| 410 | |||
| 411 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | 405 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) |
| 412 | { | 406 | { |
| 413 | const unsigned long mask = L_PTE_EXEC | L_PTE_WRITE | L_PTE_USER; | 407 | const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER; |
| 414 | pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); | 408 | pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); |
| 415 | return pte; | 409 | return pte; |
| 416 | } | 410 | } |
| 417 | 411 | ||
| 418 | extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; | ||
| 419 | |||
| 420 | /* | 412 | /* |
| 421 | * Encode and decode a swap entry. Swap entries are stored in the Linux | 413 | * Encode and decode a swap entry. Swap entries are stored in the Linux |
| 422 | * page tables as follows: | 414 | * page tables as follows: |
| @@ -481,6 +473,9 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; · 58 unmodified lines | |||
| 481 | 473 | ||
| 482 | #define pgtable_cache_init() do { } while (0) | 474 | #define pgtable_cache_init() do { } while (0) |
| 483 | 475 | ||
| 476 | void identity_mapping_add(pgd_t *, unsigned long, unsigned long); | ||
| 477 | void identity_mapping_del(pgd_t *, unsigned long, unsigned long); | ||
| 478 | |||
| 484 | #endif /* !__ASSEMBLY__ */ | 479 | #endif /* !__ASSEMBLY__ */ |
| 485 | 480 | ||
| 486 | #endif /* CONFIG_MMU */ | 481 | #endif /* CONFIG_MMU */ |
| @@ -0,0 +1,120 @@ | |||
| 1 | /* | ||
| 2 | * sched_clock.h: support for extending counters to full 64-bit ns counter | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License version 2 as | ||
| 6 | * published by the Free Software Foundation. | ||
| 7 | */ | ||
| 8 | #ifndef ASM_SCHED_CLOCK | ||
| 9 | #define ASM_SCHED_CLOCK | ||
| 10 | |||
| 11 | #include <linux/kernel.h> | ||
| 12 | #include <linux/types.h> | ||
| 13 | |||
| 14 | struct clock_data { | ||
| 15 | u64 epoch_ns; | ||
| 16 | u32 epoch_cyc; | ||
| 17 | u32 epoch_cyc_copy; | ||
| 18 | u32 mult; | ||
| 19 | u32 shift; | ||
| 20 | }; | ||
| 21 | |||
| 22 | #define DEFINE_CLOCK_DATA(name) struct clock_data name | ||
| 23 | |||
| 24 | static inline u64 cyc_to_ns(u64 cyc, u32 mult, u32 shift) | ||
| 25 | { | ||
| 26 | return (cyc * mult) >> shift; | ||
| 27 | } | ||
| 28 | |||
| 29 | /* | ||
| 30 | * Atomically update the sched_clock epoch. Your update callback will | ||
| 31 | * be called from a timer before the counter wraps - read the current | ||
| 32 | * counter value, and call this function to safely move the epochs | ||
| 33 | * forward. Only use this from the update callback. | ||
| 34 | */ | ||
| 35 | static inline void update_sched_clock(struct clock_data *cd, u32 cyc, u32 mask) | ||
| 36 | { | ||
| 37 | unsigned long flags; | ||
| 38 | u64 ns = cd->epoch_ns + | ||
| 39 | cyc_to_ns((cyc - cd->epoch_cyc) & mask, cd->mult, cd->shift); | ||
| 40 | |||
| 41 | /* | ||
| 42 | * Write epoch_cyc and epoch_ns in a way that the update is | ||
| 43 | * detectable in cyc_to_fixed_sched_clock(). | ||
| 44 | */ | ||
| 45 | raw_local_irq_save(flags); | ||
| 46 | cd->epoch_cyc = cyc; | ||
| 47 | smp_wmb(); | ||
| 48 | cd->epoch_ns = ns; | ||
| 49 | smp_wmb(); | ||
| 50 | cd->epoch_cyc_copy = cyc; | ||
| 51 | raw_local_irq_restore(flags); | ||
| 52 | } | ||
| 53 | |||
| 54 | /* | ||
| 55 | * If your clock rate is known at compile time, using this will allow | ||
| 56 | * you to optimize the mult/shift loads away. This is paired with | ||
| 57 | * init_fixed_sched_clock() to ensure that your mult/shift are correct. | ||
| 58 | */ | ||
| 59 | static inline unsigned long long cyc_to_fixed_sched_clock(struct clock_data *cd, | ||
| 60 | u32 cyc, u32 mask, u32 mult, u32 shift) | ||
| 61 | { | ||
| 62 | u64 epoch_ns; | ||
| 63 | u32 epoch_cyc; | ||
| 64 | |||
| 65 | /* | ||
| 66 | * Load the epoch_cyc and epoch_ns atomically. We do this by | ||
| 67 | * ensuring that we always write epoch_cyc, epoch_ns and | ||
| 68 | * epoch_cyc_copy in strict order, and read them in strict order. | ||
| 69 | * If epoch_cyc and epoch_cyc_copy are not equal, then we're in | ||
| 70 | * the middle of an update, and we should repeat the load. | ||
| 71 | */ | ||
| 72 | do { | ||
| 73 | epoch_cyc = cd->epoch_cyc; | ||
| 74 | smp_rmb(); | ||
| 75 | epoch_ns = cd->epoch_ns; | ||
| 76 | smp_rmb(); | ||
| 77 | } while (epoch_cyc != cd->epoch_cyc_copy); | ||
| 78 | |||
| 79 | return epoch_ns + cyc_to_ns((cyc - epoch_cyc) & mask, mult, shift); | ||
| 80 | } | ||
| 81 | |||
| 82 | /* | ||
| 83 | * Otherwise, you need to use this, which will obtain the mult/shift | ||
| 84 | * from the clock_data structure. Use init_sched_clock() with this. | ||
| 85 | */ | ||
| 86 | static inline unsigned long long cyc_to_sched_clock(struct clock_data *cd, | ||
| 87 | u32 cyc, u32 mask) | ||
| 88 | { | ||
| 89 | return cyc_to_fixed_sched_clock(cd, cyc, mask, cd->mult, cd->shift); | ||
| 90 | } | ||
| 91 | |||
| 92 | /* | ||
| 93 | * Initialize the clock data - calculate the appropriate multiplier | ||
| 94 | * and shift. Also setup a timer to ensure that the epoch is refreshed | ||
| 95 | * at the appropriate time interval, which will call your update | ||
| 96 | * handler. | ||
| 97 | */ | ||
| 98 | void init_sched_clock(struct clock_data *, void (*)(void), | ||
| 99 | unsigned int, unsigned long); | ||
| 100 | |||
| 101 | /* | ||
| 102 | * Use this initialization function rather than init_sched_clock() if | ||
| 103 | * you're using cyc_to_fixed_sched_clock, which will warn if your | ||
| 104 | * constants are incorrect. | ||
| 105 | */ | ||
| 106 | static inline void init_fixed_sched_clock(struct clock_data *cd, | ||
| 107 | void (*update)(void), unsigned int bits, unsigned long rate, | ||
| 108 | u32 mult, u32 shift) | ||
| 109 | { | ||
| 110 | init_sched_clock(cd, update, bits, rate); | ||
| 111 | if (cd->mult != mult || cd->shift != shift) { | ||
| 112 | pr_crit("sched_clock: wrong multiply/shift: %u>>%u vs calculated %u>>%u\n" | ||
| 113 | "sched_clock: fix multiply/shift to avoid scheduler hiccups\n", | ||
| 114 | mult, shift, cd->mult, cd->shift); | ||
| 115 | } | ||
| 116 | } | ||
| 117 | |||
| 118 | extern void sched_clock_postinit(void); | ||
| 119 | |||
| 120 | #endif | ||
| @@ -33,27 +33,23 @@ struct seq_file; · 32 unmodified lines | |||
| 33 | /* | 33 | /* |
| 34 | * generate IPI list text | 34 | * generate IPI list text |
| 35 | */ | 35 | */ |
| 36 | extern void show_ipi_list(struct seq_file *p); | 36 | extern void show_ipi_list(struct seq_file *, int); |
| 37 | 37 | ||
| 38 | /* | 38 | /* |
| 39 | * Called from assembly code, this handles an IPI. | 39 | * Called from assembly code, this handles an IPI. |
| 40 | */ | 40 | */ |
| 41 | asmlinkage void do_IPI(struct pt_regs *regs); | 41 | asmlinkage void do_IPI(int ipinr, struct pt_regs *regs); |
| 42 | 42 | ||
| 43 | /* | 43 | /* |
| 44 | * Setup the set of possible CPUs (via set_cpu_possible) | 44 | * Setup the set of possible CPUs (via set_cpu_possible) |
| 45 | */ | 45 | */ |
| 46 | extern void smp_init_cpus(void); | 46 | extern void smp_init_cpus(void); |
| 47 | 47 | ||
| 48 | /* | ||
| 49 | * Move global data into per-processor storage. | ||
| 50 | */ | ||
| 51 | extern void smp_store_cpu_info(unsigned int cpuid); | ||
| 52 | 48 | ||
| 53 | /* | 49 | /* |
| 54 | * Raise an IPI cross call on CPUs in callmap. | 50 | * Raise an IPI cross call on CPUs in callmap. |
| 55 | */ | 51 | */ |
| 56 | extern void smp_cross_call(const struct cpumask *mask); | 52 | extern void smp_cross_call(const struct cpumask *mask, int ipi); |
| 57 | 53 | ||
| 58 | /* | 54 | /* |
| 59 | * Boot a secondary CPU, and assign it the specified idle task. | 55 | * Boot a secondary CPU, and assign it the specified idle task. |
| @@ -72,6 +68,11 @@ asmlinkage void secondary_start_kernel(void); · 12 unmodified lines | |||
| 72 | */ | 68 | */ |
| 73 | extern void platform_secondary_init(unsigned int cpu); | 69 | extern void platform_secondary_init(unsigned int cpu); |
| 74 | 70 | ||
| 71 | /* | ||
| 72 | * Initialize cpu_possible map, and enable coherency | ||
| 73 | */ | ||
| 74 | extern void platform_smp_prepare_cpus(unsigned int); | ||
| 75 | |||
| 75 | /* | 76 | /* |
| 76 | * Initial data for bringing up a secondary CPU. | 77 | * Initial data for bringing up a secondary CPU. |
| 77 | */ | 78 | */ |
| @@ -97,6 +98,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); · 19 unmodified lines | |||
| 97 | /* | 98 | /* |
| 98 | * show local interrupt info | 99 | * show local interrupt info |
| 99 | */ | 100 | */ |
| 100 | extern void show_local_irqs(struct seq_file *); | 101 | extern void show_local_irqs(struct seq_file *, int); |
| 101 | 102 | ||
| 102 | #endif /* ifndef __ASM_ARM_SMP_H */ | 103 | #endif /* ifndef __ASM_ARM_SMP_H */ |
| @@ -1,17 +0,0 @@ | |||
| 1 | #ifndef ASMARM_SMP_MIDR_H | ||
| 2 | #define ASMARM_SMP_MIDR_H | ||
| 3 | |||
| 4 | #define hard_smp_processor_id() \ | ||
| 5 | ({ \ | ||
| 6 | unsigned int cpunum; \ | ||
| 7 | __asm__("\n" \ | ||
| 8 | "1: mrc p15, 0, %0, c0, c0, 5\n" \ | ||
| 9 | " .pushsection \".alt.smp.init\", \"a\"\n"\ | ||
| 10 | " .long 1b\n" \ | ||
| 11 | " mov %0, #0\n" \ | ||
| 12 | " .popsection" \ | ||
| 13 | : "=r" (cpunum)); \ | ||
| 14 | cpunum &= 0x0F; \ | ||
| 15 | }) | ||
| 16 | |||
| 17 | #endif | ||
| @@ -22,7 +22,6 @@ struct clock_event_device; · 21 unmodified lines | |||
| 22 | 22 | ||
| 23 | extern void __iomem *twd_base; | 23 | extern void __iomem *twd_base; |
| 24 | 24 | ||
| 25 | void twd_timer_stop(void); | ||
| 26 | int twd_timer_ack(void); | 25 | int twd_timer_ack(void); |
| 27 | void twd_timer_setup(struct clock_event_device *); | 26 | void twd_timer_setup(struct clock_event_device *); |
| 28 | 27 | ||
| @@ -63,6 +63,11 @@ · 62 unmodified lines | |||
| 63 | #include <asm/outercache.h> | 63 | #include <asm/outercache.h> |
| 64 | 64 | ||
| 65 | #define __exception __attribute__((section(".exception.text"))) | 65 | #define __exception __attribute__((section(".exception.text"))) |
| 66 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | ||
| 67 | #define __exception_irq_entry __irq_entry | ||
| 68 | #else | ||
| 69 | #define __exception_irq_entry __exception | ||
| 70 | #endif | ||
| 66 | 71 | ||
| 67 | struct thread_info; | 72 | struct thread_info; |
| 68 | struct task_struct; | 73 | struct task_struct; |
| @@ -119,6 +124,13 @@ extern unsigned int user_debug; · 50 unmodified lines | |||
| 119 | #define vectors_high() (0) | 124 | #define vectors_high() (0) |
| 120 | #endif | 125 | #endif |
| 121 | 126 | ||
| 127 | #if __LINUX_ARM_ARCH__ >= 7 || \ | ||
| 128 | (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K)) | ||
| 129 | #define sev() __asm__ __volatile__ ("sev" : : : "memory") | ||
| 130 | #define wfe() __asm__ __volatile__ ("wfe" : : : "memory") | ||
| 131 | #define wfi() __asm__ __volatile__ ("wfi" : : : "memory") | ||
| 132 | #endif | ||
| 133 | |||
| 122 | #if __LINUX_ARM_ARCH__ >= 7 | 134 | #if __LINUX_ARM_ARCH__ >= 7 |
| 123 | #define isb() __asm__ __volatile__ ("isb" : : : "memory") | 135 | #define isb() __asm__ __volatile__ ("isb" : : : "memory") |
| 124 | #define dsb() __asm__ __volatile__ ("dsb" : : : "memory") | 136 | #define dsb() __asm__ __volatile__ ("dsb" : : : "memory") |
| @@ -18,16 +18,34 @@ · 17 unmodified lines | |||
| 18 | #define __ASMARM_TLB_H | 18 | #define __ASMARM_TLB_H |
| 19 | 19 | ||
| 20 | #include <asm/cacheflush.h> | 20 | #include <asm/cacheflush.h> |
| 21 | #include <asm/tlbflush.h> | ||
| 22 | 21 | ||
| 23 | #ifndef CONFIG_MMU | 22 | #ifndef CONFIG_MMU |
| 24 | 23 | ||
| 25 | #include <linux/pagemap.h> | 24 | #include <linux/pagemap.h> |
| 25 | |||
| 26 | #define tlb_flush(tlb) ((void) tlb) | ||
| 27 | |||
| 26 | #include <asm-generic/tlb.h> | 28 | #include <asm-generic/tlb.h> |
| 27 | 29 | ||
| 28 | #else /* !CONFIG_MMU */ | 30 | #else /* !CONFIG_MMU */ |
| 29 | 31 | ||
| 32 | #include <linux/swap.h> | ||
| 30 | #include <asm/pgalloc.h> | 33 | #include <asm/pgalloc.h> |
| 34 | #include <asm/tlbflush.h> | ||
| 35 | |||
| 36 | /* | ||
| 37 | * We need to delay page freeing for SMP as other CPUs can access pages | ||
| 38 | * which have been removed but not yet had their TLB entries invalidated. | ||
| 39 | * Also, as ARMv7 speculative prefetch can drag new entries into the TLB, | ||
| 40 | * we need to apply this same delaying tactic to ensure correct operation. | ||
| 41 | */ | ||
| 42 | #if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7) | ||
| 43 | #define tlb_fast_mode(tlb) 0 | ||
| 44 | #define FREE_PTE_NR 500 | ||
| 45 | #else | ||
| 46 | #define tlb_fast_mode(tlb) 1 | ||
| 47 | #define FREE_PTE_NR 0 | ||
| 48 | #endif | ||
| 31 | 49 | ||
| 32 | /* | 50 | /* |
| 33 | * TLB handling. This allows us to remove pages from the page | 51 | * TLB handling. This allows us to remove pages from the page |
| @@ -36,12 +54,58 @@ · 2 unmodified lines | |||
| 36 | struct mmu_gather { | 54 | struct mmu_gather { |
| 37 | struct mm_struct *mm; | 55 | struct mm_struct *mm; |
| 38 | unsigned int fullmm; | 56 | unsigned int fullmm; |
| 57 | struct vm_area_struct *vma; | ||
| 39 | unsigned long range_start; | 58 | unsigned long range_start; |
| 40 | unsigned long range_end; | 59 | unsigned long range_end; |
| 60 | unsigned int nr; | ||
| 61 | struct page *pages[FREE_PTE_NR]; | ||
| 41 | }; | 62 | }; |
| 42 | 63 | ||
| 43 | DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); | 64 | DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); |
| 44 | 65 | ||
| 66 | /* | ||
| 67 | * This is unnecessarily complex. There's three ways the TLB shootdown | ||
| 68 | * code is used: | ||
| 69 | * 1. Unmapping a range of vmas. See zap_page_range(), unmap_region(). | ||
| 70 | * tlb->fullmm = 0, and tlb_start_vma/tlb_end_vma will be called. | ||
| 71 | * tlb->vma will be non-NULL. | ||
| 72 | * 2. Unmapping all vmas. See exit_mmap(). | ||
| 73 | * tlb->fullmm = 1, and tlb_start_vma/tlb_end_vma will be called. | ||
| 74 | * tlb->vma will be non-NULL. Additionally, page tables will be freed. | ||
| 75 | * 3. Unmapping argument pages. See shift_arg_pages(). | ||
| 76 | * tlb->fullmm = 0, but tlb_start_vma/tlb_end_vma will not be called. | ||
| 77 | * tlb->vma will be NULL. | ||
| 78 | */ | ||
| 79 | static inline void tlb_flush(struct mmu_gather *tlb) | ||
| 80 | { | ||
| 81 | if (tlb->fullmm || !tlb->vma) | ||
| 82 | flush_tlb_mm(tlb->mm); | ||
| 83 | else if (tlb->range_end > 0) { | ||
| 84 | flush_tlb_range(tlb->vma, tlb->range_start, tlb->range_end); | ||
| 85 | tlb->range_start = TASK_SIZE; | ||
| 86 | tlb->range_end = 0; | ||
| 87 | } | ||
| 88 | } | ||
| 89 | |||
| 90 | static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr) | ||
| 91 | { | ||
| 92 | if (!tlb->fullmm) { | ||
| 93 | if (addr < tlb->range_start) | ||
| 94 | tlb->range_start = addr; | ||
| 95 | if (addr + PAGE_SIZE > tlb->range_end) | ||
| 96 | tlb->range_end = addr + PAGE_SIZE; | ||
| 97 | } | ||
| 98 | } | ||
| 99 | |||
| 100 | static inline void tlb_flush_mmu(struct mmu_gather *tlb) | ||
| 101 | { | ||
| 102 | tlb_flush(tlb); | ||
| 103 | if (!tlb_fast_mode(tlb)) { | ||
| 104 | free_pages_and_swap_cache(tlb->pages, tlb->nr); | ||
| 105 | tlb->nr = 0; | ||
| 106 | } | ||
| 107 | } | ||
| 108 | |||
| 45 | static inline struct mmu_gather * | 109 | static inline struct mmu_gather * |
| 46 | tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) | 110 | tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) |
| 47 | { | 111 | { |
| @@ -49,6 +113,8 @@ tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) · 1 unmodified line | |||
| 49 | 113 | ||
| 50 | tlb->mm = mm; | 114 | tlb->mm = mm; |
| 51 | tlb->fullmm = full_mm_flush; | 115 | tlb->fullmm = full_mm_flush; |
| 116 | tlb->vma = NULL; | ||
| 117 | tlb->nr = 0; | ||
| 52 | 118 | ||
| 53 | return tlb; | 119 | return tlb; |
| 54 | } | 120 | } |
| @@ -56,8 +122,7 @@ tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) · 1 unmodified line | |||
| 56 | static inline void | 122 | static inline void |
| 57 | tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) | 123 | tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) |
| 58 | { | 124 | { |
| 59 | if (tlb->fullmm) | 125 | tlb_flush_mmu(tlb); |
| 60 | flush_tlb_mm(tlb->mm); | ||
| 61 | 126 | ||
| 62 | /* keep the page table cache within bounds */ | 127 | /* keep the page table cache within bounds */ |
| 63 | check_pgt_cache(); | 128 | check_pgt_cache(); |
| @@ -71,12 +136,7 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) · 7 unmodified lines | |||
| 71 | static inline void | 136 | static inline void |
| 72 | tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long addr) | 137 | tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long addr) |
| 73 | { | 138 | { |
| 74 | if (!tlb->fullmm) { | 139 | tlb_add_flush(tlb, addr); |
| 75 | if (addr < tlb->range_start) | ||
| 76 | tlb->range_start = addr; | ||
| 77 | if (addr + PAGE_SIZE > tlb->range_end) | ||
| 78 | tlb->range_end = addr + PAGE_SIZE; | ||
| 79 | } | ||
| 80 | } | 140 | } |
| 81 | 141 | ||
| 82 | /* | 142 | /* |
| @@ -89,6 +149,7 @@ tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) · 6 unmodified lines | |||
| 89 | { | 149 | { |
| 90 | if (!tlb->fullmm) { | 150 | if (!tlb->fullmm) { |
| 91 | flush_cache_range(vma, vma->vm_start, vma->vm_end); | 151 | flush_cache_range(vma, vma->vm_start, vma->vm_end); |
| 152 | tlb->vma = vma; | ||
| 92 | tlb->range_start = TASK_SIZE; | 153 | tlb->range_start = TASK_SIZE; |
| 93 | tlb->range_end = 0; | 154 | tlb->range_end = 0; |
| 94 | } | 155 | } |
| @@ -97,12 +158,30 @@ tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) · 2 unmodified lines | |||
| 97 | static inline void | 158 | static inline void |
| 98 | tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) | 159 | tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) |
| 99 | { | 160 | { |
| 100 | if (!tlb->fullmm && tlb->range_end > 0) | 161 | if (!tlb->fullmm) |
| 101 | flush_tlb_range(vma, tlb->range_start, tlb->range_end); | 162 | tlb_flush(tlb); |
| 163 | } | ||
| 164 | |||
| 165 | static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) | ||
| 166 | { | ||
| 167 | if (tlb_fast_mode(tlb)) { | ||
| 168 | free_page_and_swap_cache(page); | ||
| 169 | } else { | ||
| 170 | tlb->pages[tlb->nr++] = page; | ||
| 171 | if (tlb->nr >= FREE_PTE_NR) | ||
| 172 | tlb_flush_mmu(tlb); | ||
| 173 | } | ||
| 174 | } | ||
| 175 | |||
| 176 | static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, | ||
| 177 | unsigned long addr) | ||
| 178 | { | ||
| 179 | pgtable_page_dtor(pte); | ||
| 180 | tlb_add_flush(tlb, addr); | ||
| 181 | tlb_remove_page(tlb, pte); | ||
| 102 | } | 182 | } |
| 103 | 183 | ||
| 104 | #define tlb_remove_page(tlb,page) free_page_and_swap_cache(page) | 184 | #define pte_free_tlb(tlb, ptep, addr) __pte_free_tlb(tlb, ptep, addr) |
| 105 | #define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep) | ||
| 106 | #define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp) | 185 | #define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp) |
| 107 | 186 | ||
| 108 | #define tlb_migrate_finish(mm) do { } while (0) | 187 | #define tlb_migrate_finish(mm) do { } while (0) |
| @@ -10,12 +10,7 @@ · 9 unmodified lines | |||
| 10 | #ifndef _ASMARM_TLBFLUSH_H | 10 | #ifndef _ASMARM_TLBFLUSH_H |
| 11 | #define _ASMARM_TLBFLUSH_H | 11 | #define _ASMARM_TLBFLUSH_H |
| 12 | 12 | ||
| 13 | 13 | #ifdef CONFIG_MMU | |
| 14 | #ifndef CONFIG_MMU | ||
| 15 | |||
| 16 | #define tlb_flush(tlb) ((void) tlb) | ||
| 17 | |||
| 18 | #else /* CONFIG_MMU */ | ||
| 19 | 14 | ||
| 20 | #include <asm/glue.h> | 15 | #include <asm/glue.h> |
| 21 | 16 | ||
| @@ -15,16 +15,37 @@ struct undef_hook { · 14 unmodified lines | |||
| 15 | void register_undef_hook(struct undef_hook *hook); | 15 | void register_undef_hook(struct undef_hook *hook); |
| 16 | void unregister_undef_hook(struct undef_hook *hook); | 16 | void unregister_undef_hook(struct undef_hook *hook); |
| 17 | 17 | ||
| 18 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | ||
| 19 | static inline int __in_irqentry_text(unsigned long ptr) | ||
| 20 | { | ||
| 21 | extern char __irqentry_text_start[]; | ||
| 22 | extern char __irqentry_text_end[]; | ||
| 23 | |||
| 24 | return ptr >= (unsigned long)&__irqentry_text_start && | ||
| 25 | ptr < (unsigned long)&__irqentry_text_end; | ||
| 26 | } | ||
| 27 | #else | ||
| 28 | static inline int __in_irqentry_text(unsigned long ptr) | ||
| 29 | { | ||
| 30 | return 0; | ||
| 31 | } | ||
| 32 | #endif | ||
| 33 | |||
| 18 | static inline int in_exception_text(unsigned long ptr) | 34 | static inline int in_exception_text(unsigned long ptr) |
| 19 | { | 35 | { |
| 20 | extern char __exception_text_start[]; | 36 | extern char __exception_text_start[]; |
| 21 | extern char __exception_text_end[]; | 37 | extern char __exception_text_end[]; |
| 38 | int in; | ||
| 22 | 39 | ||
| 23 | return ptr >= (unsigned long)&__exception_text_start && | 40 | in = ptr >= (unsigned long)&__exception_text_start && |
| 24 | ptr < (unsigned long)&__exception_text_end; | 41 | ptr < (unsigned long)&__exception_text_end; |
| 42 | |||
| 43 | return in ? : __in_irqentry_text(ptr); | ||
| 25 | } | 44 | } |
| 26 | 45 | ||
| 27 | extern void __init early_trap_init(void); | 46 | extern void __init early_trap_init(void); |
| 28 | extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); | 47 | extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); |
| 29 | 48 | ||
| 49 | extern void *vectors_page; | ||
| 50 | |||
| 30 | #endif | 51 | #endif |
| @@ -227,7 +227,7 @@ do { \ · 226 unmodified lines | |||
| 227 | 227 | ||
| 228 | #define __get_user_asm_byte(x,addr,err) \ | 228 | #define __get_user_asm_byte(x,addr,err) \ |
| 229 | __asm__ __volatile__( \ | 229 | __asm__ __volatile__( \ |
| 230 | "1: ldrbt %1,[%2]\n" \ | 230 | "1: " T(ldrb) " %1,[%2],#0\n" \ |
| 231 | "2:\n" \ | 231 | "2:\n" \ |
| 232 | " .pushsection .fixup,\"ax\"\n" \ | 232 | " .pushsection .fixup,\"ax\"\n" \ |
| 233 | " .align 2\n" \ | 233 | " .align 2\n" \ |
| @@ -263,7 +263,7 @@ do { \ · 29 unmodified lines | |||
| 263 | 263 | ||
| 264 | #define __get_user_asm_word(x,addr,err) \ | 264 | #define __get_user_asm_word(x,addr,err) \ |
| 265 | __asm__ __volatile__( \ | 265 | __asm__ __volatile__( \ |
| 266 | "1: ldrt %1,[%2]\n" \ | 266 | "1: " T(ldr) " %1,[%2],#0\n" \ |
| 267 | "2:\n" \ | 267 | "2:\n" \ |
| 268 | " .pushsection .fixup,\"ax\"\n" \ | 268 | " .pushsection .fixup,\"ax\"\n" \ |
| 269 | " .align 2\n" \ | 269 | " .align 2\n" \ |
| @@ -308,7 +308,7 @@ do { \ · 38 unmodified lines | |||
| 308 | 308 | ||
| 309 | #define __put_user_asm_byte(x,__pu_addr,err) \ | 309 | #define __put_user_asm_byte(x,__pu_addr,err) \ |
| 310 | __asm__ __volatile__( \ | 310 | __asm__ __volatile__( \ |
| 311 | "1: strbt %1,[%2]\n" \ | 311 | "1: " T(strb) " %1,[%2],#0\n" \ |
| 312 | "2:\n" \ | 312 | "2:\n" \ |
| 313 | " .pushsection .fixup,\"ax\"\n" \ | 313 | " .pushsection .fixup,\"ax\"\n" \ |
| 314 | " .align 2\n" \ | 314 | " .align 2\n" \ |
| @@ -341,7 +341,7 @@ do { \ · 26 unmodified lines | |||
| 341 | 341 | ||
| 342 | #define __put_user_asm_word(x,__pu_addr,err) \ | 342 | #define __put_user_asm_word(x,__pu_addr,err) \ |
| 343 | __asm__ __volatile__( \ | 343 | __asm__ __volatile__( \ |
| 344 | "1: strt %1,[%2]\n" \ | 344 | "1: " T(str) " %1,[%2],#0\n" \ |
| 345 | "2:\n" \ | 345 | "2:\n" \ |
| 346 | " .pushsection .fixup,\"ax\"\n" \ | 346 | " .pushsection .fixup,\"ax\"\n" \ |
| 347 | " .align 2\n" \ | 347 | " .align 2\n" \ |
| @@ -366,10 +366,10 @@ do { \ · 18 unmodified lines | |||
| 366 | 366 | ||
| 367 | #define __put_user_asm_dword(x,__pu_addr,err) \ | 367 | #define __put_user_asm_dword(x,__pu_addr,err) \ |
| 368 | __asm__ __volatile__( \ | 368 | __asm__ __volatile__( \ |
| 369 | ARM( "1: strt " __reg_oper1 ", [%1], #4\n" ) \ | 369 | ARM( "1: " T(str) " " __reg_oper1 ", [%1], #4\n" ) \ |
| 370 | ARM( "2: strt " __reg_oper0 ", [%1]\n" ) \ | 370 | ARM( "2: " T(str) " " __reg_oper0 ", [%1]\n" ) \ |
| 371 | THUMB( "1: strt " __reg_oper1 ", [%1]\n" ) \ | 371 | THUMB( "1: " T(str) " " __reg_oper1 ", [%1]\n" ) \ |
| 372 | THUMB( "2: strt " __reg_oper0 ", [%1, #4]\n" ) \ | 372 | THUMB( "2: " T(str) " " __reg_oper0 ", [%1, #4]\n" ) \ |
| 373 | "3:\n" \ | 373 | "3:\n" \ |
| 374 | " .pushsection .fixup,\"ax\"\n" \ | 374 | " .pushsection .fixup,\"ax\"\n" \ |
| 375 | " .align 2\n" \ | 375 | " .align 2\n" \ |
| @@ -5,7 +5,7 @@ · 4 unmodified lines | |||
| 5 | CPPFLAGS_vmlinux.lds := -DTEXT_OFFSET=$(TEXT_OFFSET) | 5 | CPPFLAGS_vmlinux.lds := -DTEXT_OFFSET=$(TEXT_OFFSET) |
| 6 | AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET) | 6 | AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET) |
| 7 | 7 | ||
| 8 | ifdef CONFIG_DYNAMIC_FTRACE | 8 | ifdef CONFIG_FUNCTION_TRACER |
| 9 | CFLAGS_REMOVE_ftrace.o = -pg | 9 | CFLAGS_REMOVE_ftrace.o = -pg |
| 10 | endif | 10 | endif |
| 11 | 11 | ||
| @@ -29,10 +29,12 @@ obj-$(CONFIG_MODULES) += armksyms.o module.o · 17 unmodified lines | |||
| 29 | obj-$(CONFIG_ARTHUR) += arthur.o | 29 | obj-$(CONFIG_ARTHUR) += arthur.o |
| 30 | obj-$(CONFIG_ISA_DMA) += dma-isa.o | 30 | obj-$(CONFIG_ISA_DMA) += dma-isa.o |
| 31 | obj-$(CONFIG_PCI) += bios32.o isa.o | 31 | obj-$(CONFIG_PCI) += bios32.o isa.o |
| 32 | obj-$(CONFIG_SMP) += smp.o | 32 | obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o |
| 33 | obj-$(CONFIG_SMP) += smp.o smp_tlb.o | ||
| 33 | obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o | 34 | obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o |
| 34 | obj-$(CONFIG_HAVE_ARM_TWD) += smp_twd.o | 35 | obj-$(CONFIG_HAVE_ARM_TWD) += smp_twd.o |
| 35 | obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o | 36 | obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o |
| 37 | obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o | ||
| 36 | obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o | 38 | obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o |
| 37 | obj-$(CONFIG_KPROBES) += kprobes.o kprobes-decode.o | 39 | obj-$(CONFIG_KPROBES) += kprobes.o kprobes-decode.o |
| 38 | obj-$(CONFIG_ATAGS_PROC) += atags.o | 40 | obj-$(CONFIG_ATAGS_PROC) += atags.o |
| @@ -42,6 +44,8 @@ obj-$(CONFIG_KGDB) += kgdb.o · 3 unmodified lines | |||
| 42 | obj-$(CONFIG_ARM_UNWIND) += unwind.o | 44 | obj-$(CONFIG_ARM_UNWIND) += unwind.o |
| 43 | obj-$(CONFIG_HAVE_TCM) += tcm.o | 45 | obj-$(CONFIG_HAVE_TCM) += tcm.o |
| 44 | obj-$(CONFIG_CRASH_DUMP) += crash_dump.o | 46 | obj-$(CONFIG_CRASH_DUMP) += crash_dump.o |
| 47 | obj-$(CONFIG_SWP_EMULATE) += swp_emulate.o | ||
| 48 | CFLAGS_swp_emulate.o := -Wa,-march=armv7-a | ||
| 45 | obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o | 49 | obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o |
| 46 | 50 | ||
| 47 | obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o | 51 | obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o |
| @@ -50,6 +54,7 @@ AFLAGS_crunch-bits.o := -Wa,-mcpu=ep9312 · 2 unmodified lines | |||
| 50 | obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o | 54 | obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o |
| 51 | obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o | 55 | obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o |
| 52 | obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o | 56 | obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o |
| 57 | obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o | ||
| 53 | obj-$(CONFIG_IWMMXT) += iwmmxt.o | 58 | obj-$(CONFIG_IWMMXT) += iwmmxt.o |
| 54 | obj-$(CONFIG_CPU_HAS_PMU) += pmu.o | 59 | obj-$(CONFIG_CPU_HAS_PMU) += pmu.o |
| 55 | obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o | 60 | obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o |
| @@ -443,40 +443,40 @@ static expansioncard_ops_t ecard_default_ops = { · 442 unmodified lines | |||
| 443 | * | 443 | * |
| 444 | * They are not meant to be called directly, but via enable/disable_irq. | 444 | * They are not meant to be called directly, but via enable/disable_irq. |
| 445 | */ | 445 | */ |
| 446 | static void ecard_irq_unmask(unsigned int irqnr) | 446 | static void ecard_irq_unmask(struct irq_data *d) |
| 447 | { | 447 | { |
| 448 | ecard_t *ec = slot_to_ecard(irqnr - 32); | 448 | ecard_t *ec = slot_to_ecard(d->irq - 32); |
| 449 | 449 | ||
| 450 | if (ec) { | 450 | if (ec) { |
| 451 | if (!ec->ops) | 451 | if (!ec->ops) |
| 452 | ec->ops = &ecard_default_ops; | 452 | ec->ops = &ecard_default_ops; |
| 453 | 453 | ||
| 454 | if (ec->claimed && ec->ops->irqenable) | 454 | if (ec->claimed && ec->ops->irqenable) |
| 455 | ec->ops->irqenable(ec, irqnr); | 455 | ec->ops->irqenable(ec, d->irq); |
| 456 | else | 456 | else |
| 457 | printk(KERN_ERR "ecard: rejecting request to " | 457 | printk(KERN_ERR "ecard: rejecting request to " |
| 458 | "enable IRQs for %d\n", irqnr); | 458 | "enable IRQs for %d\n", d->irq); |
| 459 | } | 459 | } |
| 460 | } | 460 | } |
| 461 | 461 | ||
| 462 | static void ecard_irq_mask(unsigned int irqnr) | 462 | static void ecard_irq_mask(struct irq_data *d) |
| 463 | { | 463 | { |
| 464 | ecard_t *ec = slot_to_ecard(irqnr - 32); | 464 | ecard_t *ec = slot_to_ecard(d->irq - 32); |
| 465 | 465 | ||
| 466 | if (ec) { | 466 | if (ec) { |
| 467 | if (!ec->ops) | 467 | if (!ec->ops) |
| 468 | ec->ops = &ecard_default_ops; | 468 | ec->ops = &ecard_default_ops; |
| 469 | 469 | ||
| 470 | if (ec->ops && ec->ops->irqdisable) | 470 | if (ec->ops && ec->ops->irqdisable) |
| 471 | ec->ops->irqdisable(ec, irqnr); | 471 | ec->ops->irqdisable(ec, d->irq); |
| 472 | } | 472 | } |
| 473 | } | 473 | } |
| 474 | 474 | ||
| 475 | static struct irq_chip ecard_chip = { | 475 | static struct irq_chip ecard_chip = { |
| 476 | .name = "ECARD", | 476 | .name = "ECARD", |
| 477 | .ack = ecard_irq_mask, | 477 | .irq_ack = ecard_irq_mask, |
| 478 | .mask = ecard_irq_mask, | 478 | .irq_mask = ecard_irq_mask, |
| 479 | .unmask = ecard_irq_unmask, | 479 | .irq_unmask = ecard_irq_unmask, |
| 480 | }; | 480 | }; |
| 481 | 481 | ||
| 482 | void ecard_enablefiq(unsigned int fiqnr) | 482 | void ecard_enablefiq(unsigned int fiqnr) |
| @@ -551,7 +551,7 @@ static void ecard_check_lockup(struct irq_desc *desc) · 68 unmodified lines | |||
| 551 | printk(KERN_ERR "\nInterrupt lockup detected - " | 551 | printk(KERN_ERR "\nInterrupt lockup detected - " |
| 552 | "disabling all expansion card interrupts\n"); | 552 | "disabling all expansion card interrupts\n"); |
| 553 | 553 | ||
| 554 | desc->chip->mask(IRQ_EXPANSIONCARD); | 554 | desc->irq_data.chip->irq_mask(&desc->irq_data); |
| 555 | ecard_dump_irq_state(); | 555 | ecard_dump_irq_state(); |
| 556 | } | 556 | } |
| 557 | } else | 557 | } else |
| @@ -574,7 +574,7 @@ ecard_irq_handler(unsigned int irq, struct irq_desc *desc) · 16 unmodified lines | |||
| 574 | ecard_t *ec; | 574 | ecard_t *ec; |
| 575 | int called = 0; | 575 | int called = 0; |
| 576 | 576 | ||
| 577 | desc->chip->mask(irq); | 577 | desc->irq_data.chip->irq_mask(&desc->irq_data); |
| 578 | for (ec = cards; ec; ec = ec->next) { | 578 | for (ec = cards; ec; ec = ec->next) { |
| 579 | int pending; | 579 | int pending; |
| 580 | 580 | ||
| @@ -591,7 +591,7 @@ ecard_irq_handler(unsigned int irq, struct irq_desc *desc) · 10 unmodified lines | |||
| 591 | called ++; | 591 | called ++; |
| 592 | } | 592 | } |
| 593 | } | 593 | } |
| 594 | desc->chip->unmask(irq); | 594 | desc->irq_data.chip->irq_unmask(&desc->irq_data); |
| 595 | 595 | ||
| 596 | if (called == 0) | 596 | if (called == 0) |
| 597 | ecard_check_lockup(desc); | 597 | ecard_check_lockup(desc); |
| @@ -25,42 +25,22 @@ · 24 unmodified lines | |||
| 25 | #include <asm/tls.h> | 25 | #include <asm/tls.h> |
| 26 | 26 | ||
| 27 | #include "entry-header.S" | 27 | #include "entry-header.S" |
| 28 | #include <asm/entry-macro-multi.S> | ||
| 28 | 29 | ||
| 29 | /* | 30 | /* |
| 30 | * Interrupt handling. Preserves r7, r8, r9 | 31 | * Interrupt handling. Preserves r7, r8, r9 |
| 31 | */ | 32 | */ |
| 32 | .macro irq_handler | 33 | .macro irq_handler |
| 33 | get_irqnr_preamble r5, lr | 34 | #ifdef CONFIG_MULTI_IRQ_HANDLER |
| 34 | 1: get_irqnr_and_base r0, r6, r5, lr | 35 | ldr r5, =handle_arch_irq |
| 35 | movne r1, sp | 36 | mov r0, sp |
| 36 | @ | 37 | ldr r5, [r5] |
| 37 | @ routine called with r0 = irq number, r1 = struct pt_regs * | 38 | adr lr, BSYM(9997f) |
| 38 | @ | 39 | teq r5, #0 |
| 39 | adrne lr, BSYM(1b) | 40 | movne pc, r5 |
| 40 | bne asm_do_IRQ | ||
| 41 | |||
| 42 | #ifdef CONFIG_SMP | ||
| 43 | /* | ||
| 44 | * XXX | ||
| 45 | * | ||
| 46 | * this macro assumes that irqstat (r6) and base (r5) are | ||
| 47 | * preserved from get_irqnr_and_base above | ||
| 48 | */ | ||
| 49 | ALT_SMP(test_for_ipi r0, r6, r5, lr) | ||
| 50 | ALT_UP_B(9997f) | ||
| 51 | movne r0, sp | ||
| 52 | adrne lr, BSYM(1b) | ||
| 53 | bne do_IPI | ||
| 54 | |||
| 55 | #ifdef CONFIG_LOCAL_TIMERS | ||
| 56 | test_for_ltirq r0, r6, r5, lr | ||
| 57 | movne r0, sp | ||
| 58 | adrne lr, BSYM(1b) | ||
| 59 | bne do_local_timer | ||
| 60 | #endif | 41 | #endif |
| 42 | arch_irq_handler_default | ||
| 61 | 9997: | 43 | 9997: |
| 62 | #endif | ||
| 63 | |||
| 64 | .endm | 44 | .endm |
| 65 | 45 | ||
| 66 | #ifdef CONFIG_KPROBES | 46 | #ifdef CONFIG_KPROBES |
| @@ -198,6 +178,7 @@ __dabt_svc: · 131 unmodified lines | |||
| 198 | @ | 178 | @ |
| 199 | @ set desired IRQ state, then call main handler | 179 | @ set desired IRQ state, then call main handler |
| 200 | @ | 180 | @ |
| 181 | debug_entry r1 | ||
| 201 | msr cpsr_c, r9 | 182 | msr cpsr_c, r9 |
| 202 | mov r2, sp | 183 | mov r2, sp |
| 203 | bl do_DataAbort | 184 | bl do_DataAbort |
| @@ -324,6 +305,7 @@ __pabt_svc: · 120 unmodified lines | |||
| 324 | #else | 305 | #else |
| 325 | bl CPU_PABORT_HANDLER | 306 | bl CPU_PABORT_HANDLER |
| 326 | #endif | 307 | #endif |
| 308 | debug_entry r1 | ||
| 327 | msr cpsr_c, r9 @ Maybe enable interrupts | 309 | msr cpsr_c, r9 @ Maybe enable interrupts |
| 328 | mov r2, sp @ regs | 310 | mov r2, sp @ regs |
| 329 | bl do_PrefetchAbort @ call abort handler | 311 | bl do_PrefetchAbort @ call abort handler |
| @@ -439,6 +421,7 @@ __dabt_usr: · 109 unmodified lines | |||
| 439 | @ | 421 | @ |
| 440 | @ IRQs on, then call the main handler | 422 | @ IRQs on, then call the main handler |
| 441 | @ | 423 | @ |
| 424 | debug_entry r1 | ||
| 442 | enable_irq | 425 | enable_irq |
| 443 | mov r2, sp | 426 | mov r2, sp |
| 444 | adr lr, BSYM(ret_from_exception) | 427 | adr lr, BSYM(ret_from_exception) |
| @@ -703,6 +686,7 @@ __pabt_usr: · 258 unmodified lines | |||
| 703 | #else | 686 | #else |
| 704 | bl CPU_PABORT_HANDLER | 687 | bl CPU_PABORT_HANDLER |
| 705 | #endif | 688 | #endif |
| 689 | debug_entry r1 | ||
| 706 | enable_irq @ Enable interrupts | 690 | enable_irq @ Enable interrupts |
| 707 | mov r2, sp @ regs | 691 | mov r2, sp @ regs |
| 708 | bl do_PrefetchAbort @ call abort handler | 692 | bl do_PrefetchAbort @ call abort handler |
| @@ -735,7 +719,7 @@ ENTRY(__switch_to) · 26 unmodified lines | |||
| 735 | THUMB( stmia ip!, {r4 - sl, fp} ) @ Store most regs on stack | 719 | THUMB( stmia ip!, {r4 - sl, fp} ) @ Store most regs on stack |
| 736 | THUMB( str sp, [ip], #4 ) | 720 | THUMB( str sp, [ip], #4 ) |
| 737 | THUMB( str lr, [ip], #4 ) | 721 | THUMB( str lr, [ip], #4 ) |
| 738 | #ifdef CONFIG_MMU | 722 | #ifdef CONFIG_CPU_USE_DOMAINS |
| 739 | ldr r6, [r2, #TI_CPU_DOMAIN] | 723 | ldr r6, [r2, #TI_CPU_DOMAIN] |
| 740 | #endif | 724 | #endif |
| 741 | set_tls r3, r4, r5 | 725 | set_tls r3, r4, r5 |
| @@ -744,7 +728,7 @@ ENTRY(__switch_to) · 2 unmodified lines | |||
| 744 | ldr r8, =__stack_chk_guard | 728 | ldr r8, =__stack_chk_guard |
| 745 | ldr r7, [r7, #TSK_STACK_CANARY] | 729 | ldr r7, [r7, #TSK_STACK_CANARY] |
| 746 | #endif | 730 | #endif |
| 747 | #ifdef CONFIG_MMU | 731 | #ifdef CONFIG_CPU_USE_DOMAINS |
| 748 | mcr p15, 0, r6, c3, c0, 0 @ Set domain register | 732 | mcr p15, 0, r6, c3, c0, 0 @ Set domain register |
| 749 | #endif | 733 | #endif |
| 750 | mov r5, r0 | 734 | mov r5, r0 |
| @@ -842,7 +826,7 @@ __kuser_helper_start: · 91 unmodified lines | |||
| 842 | */ | 826 | */ |
| 843 | 827 | ||
| 844 | __kuser_memory_barrier: @ 0xffff0fa0 | 828 | __kuser_memory_barrier: @ 0xffff0fa0 |
| 845 | smp_dmb | 829 | smp_dmb arm |
| 846 | usr_ret lr | 830 | usr_ret lr |
| 847 | 831 | ||
| 848 | .align 5 | 832 | .align 5 |
| @@ -959,7 +943,7 @@ kuser_cmpxchg_fixup: · 110 unmodified lines | |||
| 959 | 943 | ||
| 960 | #else | 944 | #else |
| 961 | 945 | ||
| 962 | smp_dmb | 946 | smp_dmb arm |
| 963 | 1: ldrex r3, [r2] | 947 | 1: ldrex r3, [r2] |
| 964 | subs r3, r3, r0 | 948 | subs r3, r3, r0 |
| 965 | strexeq r3, r1, [r2] | 949 | strexeq r3, r1, [r2] |
| @@ -1245,3 +1229,9 @@ cr_alignment: · 279 unmodified lines | |||
| 1245 | .space 4 | 1229 | .space 4 |
| 1246 | cr_no_alignment: | 1230 | cr_no_alignment: |
| 1247 | .space 4 | 1231 | .space 4 |
| 1232 | |||
| 1233 | #ifdef CONFIG_MULTI_IRQ_HANDLER | ||
| 1234 | .globl handle_arch_irq | ||
| 1235 | handle_arch_irq: | ||
| 1236 | .space 4 | ||
| 1237 | #endif | ||
| @@ -147,98 +147,170 @@ ENDPROC(ret_from_fork) · 146 unmodified lines | |||
| 147 | #endif | 147 | #endif |
| 148 | #endif | 148 | #endif |
| 149 | 149 | ||
| 150 | #ifdef CONFIG_DYNAMIC_FTRACE | 150 | .macro __mcount suffix |
| 151 | ENTRY(__gnu_mcount_nc) | 151 | mcount_enter |
| 152 | mov ip, lr | 152 | ldr r0, =ftrace_trace_function |
| 153 | ldmia sp!, {lr} | 153 | ldr r2, [r0] |
| 154 | mov pc, ip | 154 | adr r0, .Lftrace_stub |
| 155 | ENDPROC(__gnu_mcount_nc) | 155 | cmp r0, r2 |
| 156 | bne 1f | ||
| 157 | |||
| 158 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | ||
| 159 | ldr r1, =ftrace_graph_return | ||
| 160 | ldr r2, [r1] | ||
| 161 | cmp r0, r2 | ||
| 162 | bne ftrace_graph_caller\suffix | ||
| 163 | |||
| 164 | ldr r1, =ftrace_graph_entry | ||
| 165 | ldr r2, [r1] | ||
| 166 | ldr r0, =ftrace_graph_entry_stub | ||
| 167 | cmp r0, r2 | ||
| 168 | bne ftrace_graph_caller\suffix | ||
| 169 | #endif | ||
| 156 | 170 | ||
| 157 | ENTRY(ftrace_caller) | 171 | mcount_exit |
| 158 | stmdb sp!, {r0-r3, lr} | 172 | |
| 159 | mov r0, lr | 173 | 1: mcount_get_lr r1 @ lr of instrumented func |
| 174 | mov r0, lr @ instrumented function | ||
| 175 | sub r0, r0, #MCOUNT_INSN_SIZE | ||
| 176 | adr lr, BSYM(2f) | ||
| 177 | mov pc, r2 | ||
| 178 | 2: mcount_exit | ||
| 179 | .endm | ||
| 180 | |||
| 181 | .macro __ftrace_caller suffix | ||
| 182 | mcount_enter | ||
| 183 | |||
| 184 | mcount_get_lr r1 @ lr of instrumented func | ||
| 185 | mov r0, lr @ instrumented function | ||
| 160 | sub r0, r0, #MCOUNT_INSN_SIZE | 186 | sub r0, r0, #MCOUNT_INSN_SIZE |
| 161 | ldr r1, [sp, #20] | ||
| 162 | 187 | ||
| 163 | .global ftrace_call | 188 | .globl ftrace_call\suffix |
| 164 | ftrace_call: | 189 | ftrace_call\suffix: |
| 165 | bl ftrace_stub | 190 | bl ftrace_stub |
| 166 | ldmia sp!, {r0-r3, ip, lr} | 191 | |
| 167 | mov pc, ip | 192 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER |
| 168 | ENDPROC(ftrace_caller) | 193 | .globl ftrace_graph_call\suffix |
| 194 | ftrace_graph_call\suffix: | ||
| 195 | mov r0, r0 | ||
| 196 | #endif | ||
| 197 | |||
| 198 | mcount_exit | ||
| 199 | .endm | ||
| 200 | |||
| 201 | .macro __ftrace_graph_caller | ||
| 202 | sub r0, fp, #4 @ &lr of instrumented routine (&parent) | ||
| 203 | #ifdef CONFIG_DYNAMIC_FTRACE | ||
| 204 | @ called from __ftrace_caller, saved in mcount_enter | ||
| 205 | ldr r1, [sp, #16] @ instrumented routine (func) | ||
| 206 | #else | ||
| 207 | @ called from __mcount, untouched in lr | ||
| 208 | mov r1, lr @ instrumented routine (func) | ||
| 209 | #endif | ||
| 210 | sub r1, r1, #MCOUNT_INSN_SIZE | ||
| 211 | mov r2, fp @ frame pointer | ||
| 212 | bl prepare_ftrace_return | ||
| 213 | mcount_exit | ||
| 214 | .endm | ||
| 169 | 215 | ||
| 170 | #ifdef CONFIG_OLD_MCOUNT | 216 | #ifdef CONFIG_OLD_MCOUNT |
| 217 | /* | ||
| 218 | * mcount | ||
| 219 | */ | ||
| 220 | |||
| 221 | .macro mcount_enter | ||
| 222 | stmdb sp!, {r0-r3, lr} | ||
| 223 | .endm | ||
| 224 | |||
| 225 | .macro mcount_get_lr reg | ||
| 226 | ldr \reg, [fp, #-4] | ||
| 227 | .endm | ||
| 228 | |||
| 229 | .macro mcount_exit | ||
| 230 | ldr lr, [fp, #-4] | ||
| 231 | ldmia sp!, {r0-r3, pc} | ||
| 232 | .endm | ||
| 233 | |||
| 171 | ENTRY(mcount) | 234 | ENTRY(mcount) |
| 235 | #ifdef CONFIG_DYNAMIC_FTRACE | ||
| 172 | stmdb sp!, {lr} | 236 | stmdb sp!, {lr} |
| 173 | ldr lr, [fp, #-4] | 237 | ldr lr, [fp, #-4] |
| 174 | ldmia sp!, {pc} | 238 | ldmia sp!, {pc} |
| 239 | #else | ||
| 240 | __mcount _old | ||
| 241 | #endif | ||
| 175 | ENDPROC(mcount) | 242 | ENDPROC(mcount) |
| 176 | 243 | ||
| 244 | #ifdef CONFIG_DYNAMIC_FTRACE | ||
| 177 | ENTRY(ftrace_caller_old) | 245 | ENTRY(ftrace_caller_old) |
| 178 | stmdb sp!, {r0-r3, lr} | 246 | __ftrace_caller _old |
| 179 | ldr r1, [fp, #-4] | ||
| 180 | mov r0, lr | ||
| 181 | sub r0, r0, #MCOUNT_INSN_SIZE | ||
| 182 | |||
| 183 | .globl ftrace_call_old | ||
| 184 | ftrace_call_old: | ||
| 185 | bl ftrace_stub | ||
| 186 | ldr lr, [fp, #-4] @ restore lr | ||
| 187 | ldmia sp!, {r0-r3, pc} | ||
| 188 | ENDPROC(ftrace_caller_old) | 247 | ENDPROC(ftrace_caller_old) |
| 189 | #endif | 248 | #endif |
| 190 | 249 | ||
| 191 | #else | 250 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER |
| 251 | ENTRY(ftrace_graph_caller_old) | ||
| 252 | __ftrace_graph_caller | ||
| 253 | ENDPROC(ftrace_graph_caller_old) | ||
| 254 | #endif | ||
| 192 | 255 | ||
| 193 | ENTRY(__gnu_mcount_nc) | 256 | .purgem mcount_enter |
| 257 | .purgem mcount_get_lr | ||
| 258 | .purgem mcount_exit | ||
| 259 | #endif | ||
| 260 | |||
| 261 | /* | ||
| 262 | * __gnu_mcount_nc | ||
| 263 | */ | ||
| 264 | |||
| 265 | .macro mcount_enter | ||
| 194 | stmdb sp!, {r0-r3, lr} | 266 | stmdb sp!, {r0-r3, lr} |
| 195 | ldr r0, =ftrace_trace_function | 267 | .endm |
| 196 | ldr r2, [r0] | 268 | |
| 197 | adr r0, .Lftrace_stub | 269 | .macro mcount_get_lr reg |
| 198 | cmp r0, r2 | 270 | ldr \reg, [sp, #20] |
| 199 | bne gnu_trace | 271 | .endm |
| 272 | |||
| 273 | .macro mcount_exit | ||
| 200 | ldmia sp!, {r0-r3, ip, lr} | 274 | ldmia sp!, {r0-r3, ip, lr} |
| 201 | mov pc, ip | 275 | mov pc, ip |
| 276 | .endm | ||
| 202 | 277 | ||
| 203 | gnu_trace: | 278 | ENTRY(__gnu_mcount_nc) |
| 204 | ldr r1, [sp, #20] @ lr of instrumented routine | 279 | #ifdef CONFIG_DYNAMIC_FTRACE |
| 205 | mov r0, lr | 280 | mov ip, lr |
| 206 | sub r0, r0, #MCOUNT_INSN_SIZE | 281 | ldmia sp!, {lr} |
| 207 | adr lr, BSYM(1f) | ||
| 208 | mov pc, r2 | ||
| 209 | 1: | ||
| 210 | ldmia sp!, {r0-r3, ip, lr} | ||
| 211 | mov pc, ip | 282 | mov pc, ip |
| 283 | #else | ||
| 284 | __mcount | ||
| 285 | #endif | ||
| 212 | ENDPROC(__gnu_mcount_nc) | 286 | ENDPROC(__gnu_mcount_nc) |
| 213 | 287 | ||
| 214 | #ifdef CONFIG_OLD_MCOUNT | 288 | #ifdef CONFIG_DYNAMIC_FTRACE |
| 215 | /* | 289 | ENTRY(ftrace_caller) |
| 216 | * This is under an ifdef in order to force link-time errors for people trying | 290 | __ftrace_caller |
| 217 | * to build with !FRAME_POINTER with a GCC which doesn't use the new-style | 291 | ENDPROC(ftrace_caller) |
| 218 | * mcount. | 292 | #endif |
| 219 | */ | ||
| 220 | ENTRY(mcount) | ||
| 221 | stmdb sp!, {r0-r3, lr} | ||
| 222 | ldr r0, =ftrace_trace_function | ||
| 223 | ldr r2, [r0] | ||
| 224 | adr r0, ftrace_stub | ||
| 225 | cmp r0, r2 | ||
| 226 | bne trace | ||
| 227 | ldr lr, [fp, #-4] @ restore lr | ||
| 228 | ldmia sp!, {r0-r3, pc} | ||
| 229 | 293 | ||
| 230 | trace: | 294 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER |
| 231 | ldr r1, [fp, #-4] @ lr of instrumented routine | 295 | ENTRY(ftrace_graph_caller) |
| 232 | mov r0, lr | 296 | __ftrace_graph_caller |
| 233 | sub r0, r0, #MCOUNT_INSN_SIZE | 297 | ENDPROC(ftrace_graph_caller) |
| 234 | mov lr, pc | ||
| 235 | mov pc, r2 | ||
| 236 | ldr lr, [fp, #-4] @ restore lr | ||
| 237 | ldmia sp!, {r0-r3, pc} | ||
| 238 | ENDPROC(mcount) | ||
| 239 | #endif | 298 | #endif |
| 240 | 299 | ||
| 241 | #endif /* CONFIG_DYNAMIC_FTRACE */ | 300 | .purgem mcount_enter |
| 301 | .purgem mcount_get_lr | ||
| 302 | .purgem mcount_exit | ||
| 303 | |||
| 304 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | ||
| 305 | .globl return_to_handler | ||
| 306 | return_to_handler: | ||
| 307 | stmdb sp!, {r0-r3} | ||
| 308 | mov r0, fp @ frame pointer | ||
| 309 | bl ftrace_return_to_handler | ||
| 310 | mov lr, r0 @ r0 has real ret addr | ||
| 311 | ldmia sp!, {r0-r3} | ||
| 312 | mov pc, lr | ||
| 313 | #endif | ||
| 242 | 314 | ||
| 243 | ENTRY(ftrace_stub) | 315 | ENTRY(ftrace_stub) |
| 244 | .Lftrace_stub: | 316 | .Lftrace_stub: |
| @@ -165,6 +165,25 @@ · 164 unmodified lines | |||
| 165 | .endm | 165 | .endm |
| 166 | #endif /* !CONFIG_THUMB2_KERNEL */ | 166 | #endif /* !CONFIG_THUMB2_KERNEL */ |
| 167 | 167 | ||
| 168 | @ | ||
| 169 | @ Debug exceptions are taken as prefetch or data aborts. | ||
| 170 | @ We must disable preemption during the handler so that | ||
| 171 | @ we can access the debug registers safely. | ||
| 172 | @ | ||
| 173 | .macro debug_entry, fsr | ||
| 174 | #if defined(CONFIG_HAVE_HW_BREAKPOINT) && defined(CONFIG_PREEMPT) | ||
| 175 | ldr r4, =0x40f @ mask out fsr.fs | ||
| 176 | and r5, r4, \fsr | ||
| 177 | cmp r5, #2 @ debug exception | ||
| 178 | bne 1f | ||
| 179 | get_thread_info r10 | ||
| 180 | ldr r6, [r10, #TI_PREEMPT] @ get preempt count | ||
| 181 | add r11, r6, #1 @ increment it | ||
| 182 | str r11, [r10, #TI_PREEMPT] | ||
| 183 | 1: | ||
| 184 | #endif | ||
| 185 | .endm | ||
| 186 | |||
| 168 | /* | 187 | /* |
| 169 | * These are the registers used in the syscall handler, and allow us to | 188 | * These are the registers used in the syscall handler, and allow us to |
| 170 | * have in theory up to 7 arguments to a function - r0 to r6. | 189 | * have in theory up to 7 arguments to a function - r0 to r6. |
| @@ -45,6 +45,7 @@ · 44 unmodified lines | |||
| 45 | #include <asm/fiq.h> | 45 | #include <asm/fiq.h> |
| 46 | #include <asm/irq.h> | 46 | #include <asm/irq.h> |
| 47 | #include <asm/system.h> | 47 | #include <asm/system.h> |
| 48 | #include <asm/traps.h> | ||
| 48 | 49 | ||
| 49 | static unsigned long no_fiq_insn; | 50 | static unsigned long no_fiq_insn; |
| 50 | 51 | ||
| @@ -67,17 +68,22 @@ static struct fiq_handler default_owner = { · 16 unmodified lines | |||
| 67 | 68 | ||
| 68 | static struct fiq_handler *current_fiq = &default_owner; | 69 | static struct fiq_handler *current_fiq = &default_owner; |
| 69 | 70 | ||
| 70 | int show_fiq_list(struct seq_file *p, void *v) | 71 | int show_fiq_list(struct seq_file *p, int prec) |
| 71 | { | 72 | { |
| 72 | if (current_fiq != &default_owner) | 73 | if (current_fiq != &default_owner) |
| 73 | seq_printf(p, "FIQ: %s\n", current_fiq->name); | 74 | seq_printf(p, "%*s: %s\n", prec, "FIQ", |
| 75 | current_fiq->name); | ||
| 74 | 76 | ||
| 75 | return 0; | 77 | return 0; |
| 76 | } | 78 | } |
| 77 | 79 | ||
| 78 | void set_fiq_handler(void *start, unsigned int length) | 80 | void set_fiq_handler(void *start, unsigned int length) |
| 79 | { | 81 | { |
| 82 | #if defined(CONFIG_CPU_USE_DOMAINS) | ||
| 80 | memcpy((void *)0xffff001c, start, length); | 83 | memcpy((void *)0xffff001c, start, length); |
| 84 | #else | ||
| 85 | memcpy(vectors_page + 0x1c, start, length); | ||
| 86 | #endif | ||
| 81 | flush_icache_range(0xffff001c, 0xffff001c + length); | 87 | flush_icache_range(0xffff001c, 0xffff001c + length); |
| 82 | if (!vectors_high()) | 88 | if (!vectors_high()) |
| 83 | flush_icache_range(0x1c, 0x1c + length); | 89 | flush_icache_range(0x1c, 0x1c + length); |
| @@ -24,6 +24,7 @@ · 23 unmodified lines | |||
| 24 | #define NOP 0xe8bd4000 /* pop {lr} */ | 24 | #define NOP 0xe8bd4000 /* pop {lr} */ |
| 25 | #endif | 25 | #endif |
| 26 | 26 | ||
| 27 | #ifdef CONFIG_DYNAMIC_FTRACE | ||
| 27 | #ifdef CONFIG_OLD_MCOUNT | 28 | #ifdef CONFIG_OLD_MCOUNT |
| 28 | #define OLD_MCOUNT_ADDR ((unsigned long) mcount) | 29 | #define OLD_MCOUNT_ADDR ((unsigned long) mcount) |
| 29 | #define OLD_FTRACE_ADDR ((unsigned long) ftrace_caller_old) | 30 | #define OLD_FTRACE_ADDR ((unsigned long) ftrace_caller_old) |
| @@ -59,9 +60,9 @@ static unsigned long adjust_address(struct dyn_ftrace *rec, unsigned long addr) · 29 unmodified lines | |||
| 59 | } | 60 | } |
| 60 | #endif | 61 | #endif |
| 61 | 62 | ||
| 62 | /* construct a branch (BL) instruction to addr */ | ||
| 63 | #ifdef CONFIG_THUMB2_KERNEL | 63 | #ifdef CONFIG_THUMB2_KERNEL |
| 64 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr) | 64 | static unsigned long ftrace_gen_branch(unsigned long pc, unsigned long addr, |
| 65 | bool link) | ||
| 65 | { | 66 | { |
| 66 | unsigned long s, j1, j2, i1, i2, imm10, imm11; | 67 | unsigned long s, j1, j2, i1, i2, imm10, imm11; |
| 67 | unsigned long first, second; | 68 | unsigned long first, second; |
| @@ -83,15 +84,22 @@ static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr) · 15 unmodified lines | |||
| 83 | j2 = (!i2) ^ s; | 84 | j2 = (!i2) ^ s; |
| 84 | 85 | ||
| 85 | first = 0xf000 | (s << 10) | imm10; | 86 | first = 0xf000 | (s << 10) | imm10; |
| 86 | second = 0xd000 | (j1 << 13) | (j2 << 11) | imm11; | 87 | second = 0x9000 | (j1 << 13) | (j2 << 11) | imm11; |
| 88 | if (link) | ||
| 89 | second |= 1 << 14; | ||
| 87 | 90 | ||
| 88 | return (second << 16) | first; | 91 | return (second << 16) | first; |
| 89 | } | 92 | } |
| 90 | #else | 93 | #else |
| 91 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr) | 94 | static unsigned long ftrace_gen_branch(unsigned long pc, unsigned long addr, |
| 95 | bool link) | ||
| 92 | { | 96 | { |
| 97 | unsigned long opcode = 0xea000000; | ||
| 93 | long offset; | 98 | long offset; |
| 94 | 99 | ||
| 100 | if (link) | ||
| 101 | opcode |= 1 << 24; | ||
| 102 | |||
| 95 | offset = (long)addr - (long)(pc + 8); | 103 | offset = (long)addr - (long)(pc + 8); |
| 96 | if (unlikely(offset < -33554432 || offset > 33554428)) { | 104 | if (unlikely(offset < -33554432 || offset > 33554428)) { |
| 97 | /* Can't generate branches that far (from ARM ARM). Ftrace | 105 | /* Can't generate branches that far (from ARM ARM). Ftrace |
| @@ -103,10 +111,15 @@ static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr) · 5 unmodified lines | |||
| 103 | 111 | ||
| 104 | offset = (offset >> 2) & 0x00ffffff; | 112 | offset = (offset >> 2) & 0x00ffffff; |
| 105 | 113 | ||
| 106 | return 0xeb000000 | offset; | 114 | return opcode | offset; |
| 107 | } | 115 | } |
| 108 | #endif | 116 | #endif |
| 109 | 117 | ||
| 118 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr) | ||
| 119 | { | ||
| 120 | return ftrace_gen_branch(pc, addr, true); | ||
| 121 | } | ||
| 122 | |||
| 110 | static int ftrace_modify_code(unsigned long pc, unsigned long old, | 123 | static int ftrace_modify_code(unsigned long pc, unsigned long old, |
| 111 | unsigned long new) | 124 | unsigned long new) |
| 112 | { | 125 | { |
| @@ -193,3 +206,83 @@ int __init ftrace_dyn_arch_init(void *data) · 80 unmodified lines | |||
| 193 | 206 | ||
| 194 | return 0; | 207 | return 0; |
| 195 | } | 208 | } |
| 209 | #endif /* CONFIG_DYNAMIC_FTRACE */ | ||
| 210 | |||
| 211 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | ||
| 212 | void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, | ||
| 213 | unsigned long frame_pointer) | ||
| 214 | { | ||
| 215 | unsigned long return_hooker = (unsigned long) &return_to_handler; | ||
| 216 | struct ftrace_graph_ent trace; | ||
| 217 | unsigned long old; | ||
| 218 | int err; | ||
| 219 | |||
| 220 | if (unlikely(atomic_read(¤t->tracing_graph_pause))) | ||
| 221 | return; | ||
| 222 | |||
| 223 | old = *parent; | ||
| 224 | *parent = return_hooker; | ||
| 225 | |||
| 226 | err = ftrace_push_return_trace(old, self_addr, &trace.depth, | ||
| 227 | frame_pointer); | ||
| 228 | if (err == -EBUSY) { | ||
| 229 | *parent = old; | ||
| 230 | return; | ||
| 231 | } | ||
| 232 | |||
| 233 | trace.func = self_addr; | ||
| 234 | |||
| 235 | /* Only trace if the calling function expects to */ | ||
| 236 | if (!ftrace_graph_entry(&trace)) { | ||
| 237 | current->curr_ret_stack--; | ||
| 238 | *parent = old; | ||
| 239 | } | ||
| 240 | } | ||
| 241 | |||
| 242 | #ifdef CONFIG_DYNAMIC_FTRACE | ||
| 243 | extern unsigned long ftrace_graph_call; | ||
| 244 | extern unsigned long ftrace_graph_call_old; | ||
| 245 | extern void ftrace_graph_caller_old(void); | ||
| 246 | |||
| 247 | static int __ftrace_modify_caller(unsigned long *callsite, | ||
| 248 | void (*func) (void), bool enable) | ||
| 249 | { | ||
| 250 | unsigned long caller_fn = (unsigned long) func; | ||
| 251 | unsigned long pc = (unsigned long) callsite; | ||
| 252 | unsigned long branch = ftrace_gen_branch(pc, caller_fn, false); | ||
| 253 | unsigned long nop = 0xe1a00000; /* mov r0, r0 */ | ||
| 254 | unsigned long old = enable ? nop : branch; | ||
| 255 | unsigned long new = enable ? branch : nop; | ||
| 256 | |||
| 257 | return ftrace_modify_code(pc, old, new); | ||
| 258 | } | ||
| 259 | |||
| 260 | static int ftrace_modify_graph_caller(bool enable) | ||
| 261 | { | ||
| 262 | int ret; | ||
| 263 | |||
| 264 | ret = __ftrace_modify_caller(&ftrace_graph_call, | ||
| 265 | ftrace_graph_caller, | ||
| 266 | enable); | ||
| 267 | |||
| 268 | #ifdef CONFIG_OLD_MCOUNT | ||
| 269 | if (!ret) | ||
| 270 | ret = __ftrace_modify_caller(&ftrace_graph_call_old, | ||
| 271 | ftrace_graph_caller_old, | ||
| 272 | enable); | ||
| 273 | #endif | ||
| 274 | |||
| 275 | return ret; | ||
| 276 | } | ||
| 277 | |||
| 278 | int ftrace_enable_ftrace_graph_caller(void) | ||
| 279 | { | ||
| 280 | return ftrace_modify_graph_caller(true); | ||
| 281 | } | ||
| 282 | |||
| 283 | int ftrace_disable_ftrace_graph_caller(void) | ||
| 284 | { | ||
| 285 | return ftrace_modify_graph_caller(false); | ||
| 286 | } | ||
| 287 | #endif /* CONFIG_DYNAMIC_FTRACE */ | ||
| 288 | #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ | ||
| @@ -60,6 +60,8 @@ str_a1: .asciz "\nError: unrecognized/unsupported machine ID (r1 = 0x" · 59 unmodified lines | |||
| 60 | str_a2: .asciz ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n" | 60 | str_a2: .asciz ").\n\nAvailable machine support:\n\nID (hex)\tNAME\n" |
| 61 | str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n" | 61 | str_a3: .asciz "\nPlease check your kernel config and/or bootloader.\n" |
| 62 | .align | 62 | .align |
| 63 | #else | ||
| 64 | b __error | ||
| 63 | #endif | 65 | #endif |
| 64 | 66 | ||
| 65 | /* | 67 | /* |
| @@ -91,6 +91,11 @@ ENTRY(stext) · 90 unmodified lines | |||
| 91 | movs r8, r5 @ invalid machine (r5=0)? | 91 | movs r8, r5 @ invalid machine (r5=0)? |
| 92 | THUMB( it eq ) @ force fixup-able long branch encoding | 92 | THUMB( it eq ) @ force fixup-able long branch encoding |
| 93 | beq __error_a @ yes, error 'a' | 93 | beq __error_a @ yes, error 'a' |
| 94 | |||
| 95 | /* | ||
| 96 | * r1 = machine no, r2 = atags, | ||
| 97 | * r8 = machinfo, r9 = cpuid, r10 = procinfo | ||
| 98 | */ | ||
| 94 | bl __vet_atags | 99 | bl __vet_atags |
| 95 | #ifdef CONFIG_SMP_ON_UP | 100 | #ifdef CONFIG_SMP_ON_UP |
| 96 | bl __fixup_smp | 101 | bl __fixup_smp |
| @@ -386,37 +391,32 @@ ENDPROC(__turn_mmu_on) · 289 unmodified lines | |||
| 386 | 391 | ||
| 387 | 392 | ||
| 388 | #ifdef CONFIG_SMP_ON_UP | 393 | #ifdef CONFIG_SMP_ON_UP |
| 394 | __INIT | ||
| 389 | __fixup_smp: | 395 | __fixup_smp: |
| 390 | mov r7, #0x00070000 | 396 | and r3, r9, #0x000f0000 @ architecture version |
| 391 | orr r6, r7, #0xff000000 @ mask 0xff070000 | 397 | teq r3, #0x000f0000 @ CPU ID supported? |
| 392 | orr r7, r7, #0x41000000 @ val 0x41070000 | ||
| 393 | and r0, r9, r6 | ||
| 394 | teq r0, r7 @ ARM CPU and ARMv6/v7? | ||
| 395 | bne __fixup_smp_on_up @ no, assume UP | 398 | bne __fixup_smp_on_up @ no, assume UP |
| 396 | 399 | ||
| 397 | orr r6, r6, #0x0000ff00 | 400 | bic r3, r9, #0x00ff0000 |
| 398 | orr r6, r6, #0x000000f0 @ mask 0xff07fff0 | 401 | bic r3, r3, #0x0000000f @ mask 0xff00fff0 |
| 399 | orr r7, r7, #0x0000b000 | 402 | mov r4, #0x41000000 |
| 400 | orr r7, r7, #0x00000020 @ val 0x4107b020 | 403 | orr r4, r4, #0x0000b000 |
| 401 | and r0, r9, r6 | 404 | orr r4, r4, #0x00000020 @ val 0x4100b020 |
| 402 | teq r0, r7 @ ARM 11MPCore? | 405 | teq r3, r4 @ ARM 11MPCore? |
| 403 | moveq pc, lr @ yes, assume SMP | 406 | moveq pc, lr @ yes, assume SMP |
| 404 | 407 | ||
| 405 | mrc p15, 0, r0, c0, c0, 5 @ read MPIDR | 408 | mrc p15, 0, r0, c0, c0, 5 @ read MPIDR |
| 406 | tst r0, #1 << 31 | 409 | and r0, r0, #0xc0000000 @ multiprocessing extensions and |
| 407 | movne pc, lr @ bit 31 => SMP | 410 | teq r0, #0x80000000 @ not part of a uniprocessor system? |
| 411 | moveq pc, lr @ yes, assume SMP | ||
| 408 | 412 | ||
| 409 | __fixup_smp_on_up: | 413 | __fixup_smp_on_up: |
| 410 | adr r0, 1f | 414 | adr r0, 1f |
| 411 | ldmia r0, {r3, r6, r7} | 415 | ldmia r0, {r3 - r5} |
| 412 | sub r3, r0, r3 | 416 | sub r3, r0, r3 |
| 413 | add r6, r6, r3 | 417 | add r4, r4, r3 |
| 414 | add r7, r7, r3 | 418 | add r5, r5, r3 |
| 415 | 2: cmp r6, r7 | 419 | b __do_fixup_smp_on_up |
| 416 | ldmia r6!, {r0, r4} | ||
| 417 | strlo r4, [r0, r3] | ||
| 418 | blo 2b | ||
| 419 | mov pc, lr | ||
| 420 | ENDPROC(__fixup_smp) | 420 | ENDPROC(__fixup_smp) |
| 421 | 421 | ||
| 422 | .align | 422 | .align |
| @@ -430,7 +430,31 @@ smp_on_up: · 7 unmodified lines | |||
| 430 | ALT_SMP(.long 1) | 430 | ALT_SMP(.long 1) |
| 431 | ALT_UP(.long 0) | 431 | ALT_UP(.long 0) |
| 432 | .popsection | 432 | .popsection |
| 433 | #endif | ||
| 433 | 434 | ||
| 435 | .text | ||
| 436 | __do_fixup_smp_on_up: | ||
| 437 | cmp r4, r5 | ||
| 438 | movhs pc, lr | ||
| 439 | ldmia r4!, {r0, r6} | ||
| 440 | ARM( str r6, [r0, r3] ) | ||
| 441 | THUMB( add r0, r0, r3 ) | ||
| 442 | #ifdef __ARMEB__ | ||
| 443 | THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian. | ||
| 434 | #endif | 444 | #endif |
| 445 | THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords | ||
| 446 | THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3. | ||
| 447 | THUMB( strh r6, [r0] ) | ||
| 448 | b __do_fixup_smp_on_up | ||
| 449 | ENDPROC(__do_fixup_smp_on_up) | ||
| 450 | |||
| 451 | ENTRY(fixup_smp) | ||
| 452 | stmfd sp!, {r4 - r6, lr} | ||
| 453 | mov r4, r0 | ||
| 454 | add r5, r0, r1 | ||
| 455 | mov r3, #0 | ||
| 456 | bl __do_fixup_smp_on_up | ||
| 457 | ldmfd sp!, {r4 - r6, pc} | ||
| 458 | ENDPROC(fixup_smp) | ||
| 435 | 459 | ||
| 436 | #include "head-common.S" | 460 | #include "head-common.S" |
| @@ -24,6 +24,7 @@ · 23 unmodified lines | |||
| 24 | #define pr_fmt(fmt) "hw-breakpoint: " fmt | 24 | #define pr_fmt(fmt) "hw-breakpoint: " fmt |
| 25 | 25 | ||
| 26 | #include <linux/errno.h> | 26 | #include <linux/errno.h> |
| 27 | #include <linux/hardirq.h> | ||
| 27 | #include <linux/perf_event.h> | 28 | #include <linux/perf_event.h> |
| 28 | #include <linux/hw_breakpoint.h> | 29 | #include <linux/hw_breakpoint.h> |
| 29 | #include <linux/smp.h> | 30 | #include <linux/smp.h> |
| @@ -44,6 +45,7 @@ static DEFINE_PER_CPU(struct perf_event *, wp_on_reg[ARM_MAX_WRP]); · 14 unmodified lines | |||
| 44 | 45 | ||
| 45 | /* Number of BRP/WRP registers on this CPU. */ | 46 | /* Number of BRP/WRP registers on this CPU. */ |
| 46 | static int core_num_brps; | 47 | static int core_num_brps; |
| 48 | static int core_num_reserved_brps; | ||
| 47 | static int core_num_wrps; | 49 | static int core_num_wrps; |
| 48 | 50 | ||
| 49 | /* Debug architecture version. */ | 51 | /* Debug architecture version. */ |
| @@ -52,87 +54,6 @@ static u8 debug_arch; · 2 unmodified lines | |||
| 52 | /* Maximum supported watchpoint length. */ | 54 | /* Maximum supported watchpoint length. */ |
| 53 | static u8 max_watchpoint_len; | 55 | static u8 max_watchpoint_len; |
| 54 | 56 | ||
| 55 | /* Determine number of BRP registers available. */ | ||
| 56 | static int get_num_brps(void) | ||
| 57 | { | ||
| 58 | u32 didr; | ||
| 59 | ARM_DBG_READ(c0, 0, didr); | ||
| 60 | return ((didr >> 24) & 0xf) + 1; | ||
| 61 | } | ||
| 62 | |||
| 63 | /* Determine number of WRP registers available. */ | ||
| 64 | static int get_num_wrps(void) | ||
| 65 | { | ||
| 66 | /* | ||
| 67 | * FIXME: When a watchpoint fires, the only way to work out which | ||
| 68 | * watchpoint it was is by disassembling the faulting instruction | ||
| 69 | * and working out the address of the memory access. | ||
| 70 | * | ||
| 71 | * Furthermore, we can only do this if the watchpoint was precise | ||
| 72 | * since imprecise watchpoints prevent us from calculating register | ||
| 73 | * based addresses. | ||
| 74 | * | ||
| 75 | * For the time being, we only report 1 watchpoint register so we | ||
| 76 | * always know which watchpoint fired. In the future we can either | ||
| 77 | * add a disassembler and address generation emulator, or we can | ||
| 78 | * insert a check to see if the DFAR is set on watchpoint exception | ||
| 79 | * entry [the ARM ARM states that the DFAR is UNKNOWN, but | ||
| 80 | * experience shows that it is set on some implementations]. | ||
| 81 | */ | ||
| 82 | |||
| 83 | #if 0 | ||
| 84 | u32 didr, wrps; | ||
| 85 | ARM_DBG_READ(c0, 0, didr); | ||
| 86 | return ((didr >> 28) & 0xf) + 1; | ||
| 87 | #endif | ||
| 88 | |||
| 89 | return 1; | ||
| 90 | } | ||
| 91 | |||
| 92 | int hw_breakpoint_slots(int type) | ||
| 93 | { | ||
| 94 | /* | ||
| 95 | * We can be called early, so don't rely on | ||
| 96 | * our static variables being initialised. | ||
| 97 | */ | ||
| 98 | switch (type) { | ||
| 99 | case TYPE_INST: | ||
| 100 | return get_num_brps(); | ||
| 101 | case TYPE_DATA: | ||
| 102 | return get_num_wrps(); | ||
| 103 | default: | ||
| 104 | pr_warning("unknown slot type: %d\n", type); | ||
| 105 | return 0; | ||
| 106 | } | ||
| 107 | } | ||
| 108 | |||
| 109 | /* Determine debug architecture. */ | ||
| 110 | static u8 get_debug_arch(void) | ||
| 111 | { | ||
| 112 | u32 didr; | ||
| 113 | |||
| 114 | /* Do we implement the extended CPUID interface? */ | ||
| 115 | if (((read_cpuid_id() >> 16) & 0xf) != 0xf) { | ||
| 116 | pr_warning("CPUID feature registers not supported. " | ||
| 117 | "Assuming v6 debug is present.\n"); | ||
| 118 | return ARM_DEBUG_ARCH_V6; | ||
| 119 | } | ||
| 120 | |||
| 121 | ARM_DBG_READ(c0, 0, didr); | ||
| 122 | return (didr >> 16) & 0xf; | ||
| 123 | } | ||
| 124 | |||
| 125 | /* Does this core support mismatch breakpoints? */ | ||
| 126 | static int core_has_mismatch_bps(void) | ||
| 127 | { | ||
| 128 | return debug_arch >= ARM_DEBUG_ARCH_V7_ECP14 && core_num_brps > 1; | ||
| 129 | } | ||
| 130 | |||
| 131 | u8 arch_get_debug_arch(void) | ||
| 132 | { | ||
| 133 | return debug_arch; | ||
| 134 | } | ||
| 135 | |||
| 136 | #define READ_WB_REG_CASE(OP2, M, VAL) \ | 57 | #define READ_WB_REG_CASE(OP2, M, VAL) \ |
| 137 | case ((OP2 << 4) + M): \ | 58 | case ((OP2 << 4) + M): \ |
| 138 | ARM_DBG_READ(c ## M, OP2, VAL); \ | 59 | ARM_DBG_READ(c ## M, OP2, VAL); \ |
| @@ -210,6 +131,99 @@ static void write_wb_reg(int n, u32 val) · 71 unmodified lines | |||
| 210 | isb(); | 131 | isb(); |
| 211 | } | 132 | } |
| 212 | 133 | ||
| 134 | /* Determine debug architecture. */ | ||
| 135 | static u8 get_debug_arch(void) | ||
| 136 | { | ||
| 137 | u32 didr; | ||
| 138 | |||
| 139 | /* Do we implement the extended CPUID interface? */ | ||
| 140 | if (WARN_ONCE((((read_cpuid_id() >> 16) & 0xf) != 0xf), | ||
| 141 | "CPUID feature registers not supported. " | ||
| 142 | "Assuming v6 debug is present.\n")) | ||
| 143 | return ARM_DEBUG_ARCH_V6; | ||
| 144 | |||
| 145 | ARM_DBG_READ(c0, 0, didr); | ||
| 146 | return (didr >> 16) & 0xf; | ||
| 147 | } | ||
| 148 | |||
| 149 | u8 arch_get_debug_arch(void) | ||
| 150 | { | ||
| 151 | return debug_arch; | ||
| 152 | } | ||
| 153 | |||
| 154 | static int debug_arch_supported(void) | ||
| 155 | { | ||
| 156 | u8 arch = get_debug_arch(); | ||
| 157 | return arch >= ARM_DEBUG_ARCH_V6 && arch <= ARM_DEBUG_ARCH_V7_ECP14; | ||
| 158 | } | ||
| 159 | |||
| 160 | /* Determine number of BRP register available. */ | ||
| 161 | static int get_num_brp_resources(void) | ||
| 162 | { | ||
| 163 | u32 didr; | ||
| 164 | ARM_DBG_READ(c0, 0, didr); | ||
| 165 | return ((didr >> 24) & 0xf) + 1; | ||
| 166 | } | ||
| 167 | |||
| 168 | /* Does this core support mismatch breakpoints? */ | ||
| 169 | static int core_has_mismatch_brps(void) | ||
| 170 | { | ||
| 171 | return (get_debug_arch() >= ARM_DEBUG_ARCH_V7_ECP14 && | ||
| 172 | get_num_brp_resources() > 1); | ||
| 173 | } | ||
| 174 | |||
| 175 | /* Determine number of usable WRPs available. */ | ||
| 176 | static int get_num_wrps(void) | ||
| 177 | { | ||
| 178 | /* | ||
| 179 | * FIXME: When a watchpoint fires, the only way to work out which | ||
| 180 | * watchpoint it was is by disassembling the faulting instruction | ||
| 181 | * and working out the address of the memory access. | ||
| 182 | * | ||
| 183 | * Furthermore, we can only do this if the watchpoint was precise | ||
| 184 | * since imprecise watchpoints prevent us from calculating register | ||
| 185 | * based addresses. | ||
| 186 | * | ||
| 187 | * Providing we have more than 1 breakpoint register, we only report | ||
| 188 | * a single watchpoint register for the time being. This way, we always | ||
| 189 | * know which watchpoint fired. In the future we can either add a | ||
| 190 | * disassembler and address generation emulator, or we can insert a | ||
| 191 | * check to see if the DFAR is set on watchpoint exception entry | ||
| 192 | * [the ARM ARM states that the DFAR is UNKNOWN, but experience shows | ||
| 193 | * that it is set on some implementations]. | ||
| 194 | */ | ||
| 195 | |||
| 196 | #if 0 | ||
| 197 | int wrps; | ||
| 198 | u32 didr; | ||
| 199 | ARM_DBG_READ(c0, 0, didr); | ||
| 200 | wrps = ((didr >> 28) & 0xf) + 1; | ||
| 201 | #endif | ||
| 202 | int wrps = 1; | ||
| 203 | |||
| 204 | if (core_has_mismatch_brps() && wrps >= get_num_brp_resources()) | ||
| 205 | wrps = get_num_brp_resources() - 1; | ||
| 206 | |||
| 207 | return wrps; | ||
| 208 | } | ||
| 209 | |||
| 210 | /* We reserve one breakpoint for each watchpoint. */ | ||
| 211 | static int get_num_reserved_brps(void) | ||
| 212 | { | ||
| 213 | if (core_has_mismatch_brps()) | ||
| 214 | return get_num_wrps(); | ||
| 215 | return 0; | ||
| 216 | } | ||
| 217 | |||
| 218 | /* Determine number of usable BRPs available. */ | ||
| 219 | static int get_num_brps(void) | ||
| 220 | { | ||
| 221 | int brps = get_num_brp_resources(); | ||
| 222 | if (core_has_mismatch_brps()) | ||
| 223 | brps -= get_num_reserved_brps(); | ||
| 224 | return brps; | ||
| 225 | } | ||
| 226 | |||
| 213 | /* | 227 | /* |
| 214 | * In order to access the breakpoint/watchpoint control registers, | 228 | * In order to access the breakpoint/watchpoint control registers, |
| 215 | * we must be running in debug monitor mode. Unfortunately, we can | 229 | * we must be running in debug monitor mode. Unfortunately, we can |
| @@ -230,8 +244,12 @@ static int enable_monitor_mode(void) · 14 unmodified lines | |||
| 230 | goto out; | 244 | goto out; |
| 231 | } | 245 | } |
| 232 | 246 | ||
| 247 | /* If monitor mode is already enabled, just return. */ | ||
| 248 | if (dscr & ARM_DSCR_MDBGEN) | ||
| 249 | goto out; | ||
| 250 | |||
| 233 | /* Write to the corresponding DSCR. */ | 251 | /* Write to the corresponding DSCR. */ |
| 234 | switch (debug_arch) { | 252 | switch (get_debug_arch()) { |
| 235 | case ARM_DEBUG_ARCH_V6: | 253 | case ARM_DEBUG_ARCH_V6: |
| 236 | case ARM_DEBUG_ARCH_V6_1: | 254 | case ARM_DEBUG_ARCH_V6_1: |
| 237 | ARM_DBG_WRITE(c1, 0, (dscr | ARM_DSCR_MDBGEN)); | 255 | ARM_DBG_WRITE(c1, 0, (dscr | ARM_DSCR_MDBGEN)); |
| @@ -246,15 +264,33 @@ static int enable_monitor_mode(void) · 8 unmodified lines | |||
| 246 | 264 | ||
| 247 | /* Check that the write made it through. */ | 265 | /* Check that the write made it through. */ |
| 248 | ARM_DBG_READ(c1, 0, dscr); | 266 | ARM_DBG_READ(c1, 0, dscr); |
| 249 | if (WARN_ONCE(!(dscr & ARM_DSCR_MDBGEN), | 267 | if (!(dscr & ARM_DSCR_MDBGEN)) |
| 250 | "failed to enable monitor mode.")) { | ||
| 251 | ret = -EPERM; | 268 | ret = -EPERM; |
| 252 | } | ||
| 253 | 269 | ||
| 254 | out: | 270 | out: |
| 255 | return ret; | 271 | return ret; |
| 256 | } | 272 | } |
| 257 | 273 | ||
| 274 | int hw_breakpoint_slots(int type) | ||
| 275 | { | ||
| 276 | if (!debug_arch_supported()) | ||
| 277 | return 0; | ||
| 278 | |||
| 279 | /* | ||
| 280 | * We can be called early, so don't rely on | ||
| 281 | * our static variables being initialised. | ||
| 282 | */ | ||
| 283 | switch (type) { | ||
| 284 | case TYPE_INST: | ||
| 285 | return get_num_brps(); | ||
| 286 | case TYPE_DATA: | ||
| 287 | return get_num_wrps(); | ||
| 288 | default: | ||
| 289 | pr_warning("unknown slot type: %d\n", type); | ||
| 290 | return 0; | ||
| 291 | } | ||
| 292 | } | ||
| 293 | |||
| 258 | /* | 294 | /* |
| 259 | * Check if 8-bit byte-address select is available. | 295 | * Check if 8-bit byte-address select is available. |
| 260 | * This clobbers WRP 0. | 296 | * This clobbers WRP 0. |
| @@ -268,9 +304,6 @@ static u8 get_max_wp_len(void) · 7 unmodified lines | |||
| 268 | if (debug_arch < ARM_DEBUG_ARCH_V7_ECP14) | 304 | if (debug_arch < ARM_DEBUG_ARCH_V7_ECP14) |
| 269 | goto out; | 305 | goto out; |
| 270 | 306 | ||
| 271 | if (enable_monitor_mode()) | ||
| 272 | goto out; | ||
| 273 | |||
| 274 | memset(&ctrl, 0, sizeof(ctrl)); | 307 | memset(&ctrl, 0, sizeof(ctrl)); |
| 275 | ctrl.len = ARM_BREAKPOINT_LEN_8; | 308 | ctrl.len = ARM_BREAKPOINT_LEN_8; |
| 276 | ctrl_reg = encode_ctrl_reg(ctrl); | 309 | ctrl_reg = encode_ctrl_reg(ctrl); |
| @@ -289,23 +322,6 @@ u8 arch_get_max_wp_len(void) · 12 unmodified lines | |||
| 289 | return max_watchpoint_len; | 322 | return max_watchpoint_len; |
| 290 | } | 323 | } |
| 291 | 324 | ||
| 292 | /* | ||
| 293 | * Handler for reactivating a suspended watchpoint when the single | ||
| 294 | * step `mismatch' breakpoint is triggered. | ||
| 295 | */ | ||
| 296 | static void wp_single_step_handler(struct perf_event *bp, int unused, | ||
| 297 | struct perf_sample_data *data, | ||
| 298 | struct pt_regs *regs) | ||
| 299 | { | ||
| 300 | perf_event_enable(counter_arch_bp(bp)->suspended_wp); | ||
| 301 | unregister_hw_breakpoint(bp); | ||
| 302 | } | ||
| 303 | |||
| 304 | static int bp_is_single_step(struct perf_event *bp) | ||
| 305 | { | ||
| 306 | return bp->overflow_handler == wp_single_step_handler; | ||
| 307 | } | ||
| 308 | |||
| 309 | /* | 325 | /* |
| 310 | * Install a perf counter breakpoint. | 326 | * Install a perf counter breakpoint. |
| 311 | */ | 327 | */ |
| @@ -314,30 +330,41 @@ int arch_install_hw_breakpoint(struct perf_event *bp) · 2 unmodified lines | |||
| 314 | struct arch_hw_breakpoint *info = counter_arch_bp(bp); | 330 | struct arch_hw_breakpoint *info = counter_arch_bp(bp); |
| 315 | struct perf_event **slot, **slots; | 331 | struct perf_event **slot, **slots; |
| 316 | int i, max_slots, ctrl_base, val_base, ret = 0; | 332 | int i, max_slots, ctrl_base, val_base, ret = 0; |
| 333 | u32 addr, ctrl; | ||
| 317 | 334 | ||
| 318 | /* Ensure that we are in monitor mode and halting mode is disabled. */ | 335 | /* Ensure that we are in monitor mode and halting mode is disabled. */ |
| 319 | ret = enable_monitor_mode(); | 336 | ret = enable_monitor_mode(); |
| 320 | if (ret) | 337 | if (ret) |
| 321 | goto out; | 338 | goto out; |
| 322 | 339 | ||
| 340 | addr = info->address; | ||
| 341 | ctrl = encode_ctrl_reg(info->ctrl) | 0x1; | ||
| 342 | |||
| 323 | if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE) { | 343 | if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE) { |
| 324 | /* Breakpoint */ | 344 | /* Breakpoint */ |
| 325 | ctrl_base = ARM_BASE_BCR; | 345 | ctrl_base = ARM_BASE_BCR; |
| 326 | val_base = ARM_BASE_BVR; | 346 | val_base = ARM_BASE_BVR; |
| 327 | slots = __get_cpu_var(bp_on_reg); | 347 | slots = (struct perf_event **)__get_cpu_var(bp_on_reg); |
| 328 | max_slots = core_num_brps - 1; | 348 | max_slots = core_num_brps; |
| 329 | 349 | if (info->step_ctrl.enabled) { | |
| 330 | if (bp_is_single_step(bp)) { | 350 | /* Override the breakpoint data with the step data. */ |
| 331 | info->ctrl.mismatch = 1; | 351 | addr = info->trigger & ~0x3; |
| 332 | i = max_slots; | 352 | ctrl = encode_ctrl_reg(info->step_ctrl); |
| 333 | slots[i] = bp; | ||
| 334 | goto setup; | ||
| 335 | } | 353 | } |
| 336 | } else { | 354 | } else { |
| 337 | /* Watchpoint */ | 355 | /* Watchpoint */ |
| 338 | ctrl_base = ARM_BASE_WCR; | 356 | if (info->step_ctrl.enabled) { |
| 339 | val_base = ARM_BASE_WVR; | 357 | /* Install into the reserved breakpoint region. */ |
| 340 | slots = __get_cpu_var(wp_on_reg); | 358 | ctrl_base = ARM_BASE_BCR + core_num_brps; |
| 359 | val_base = ARM_BASE_BVR + core_num_brps; | ||
| 360 | /* Override the watchpoint data with the step data. */ | ||
| 361 | addr = info->trigger & ~0x3; | ||
| 362 | ctrl = encode_ctrl_reg(info->step_ctrl); | ||
| 363 | } else { | ||
| 364 | ctrl_base = ARM_BASE_WCR; | ||
| 365 | val_base = ARM_BASE_WVR; | ||
| 366 | } | ||
| 367 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | ||
| 341 | max_slots = core_num_wrps; | 368 | max_slots = core_num_wrps; |
| 342 | } | 369 | } |
| 343 | 370 | ||
| @@ -355,12 +382,11 @@ int arch_install_hw_breakpoint(struct perf_event *bp) · 11 unmodified lines | |||
| 355 | goto out; | 382 | goto out; |
| 356 | } | 383 | } |
| 357 | 384 | ||
| 358 | setup: | ||
| 359 | /* Setup the address register. */ | 385 | /* Setup the address register. */ |
| 360 | write_wb_reg(val_base + i, info->address); | 386 | write_wb_reg(val_base + i, addr); |
| 361 | 387 | ||
| 362 | /* Setup the control register. */ | 388 | /* Setup the control register. */ |
| 363 | write_wb_reg(ctrl_base + i, encode_ctrl_reg(info->ctrl) | 0x1); | 389 | write_wb_reg(ctrl_base + i, ctrl); |
| 364 | 390 | ||
| 365 | out: | 391 | out: |
| 366 | return ret; | 392 | return ret; |
| @@ -375,18 +401,15 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp) · 8 unmodified lines | |||
| 375 | if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE) { | 401 | if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE) { |
| 376 | /* Breakpoint */ | 402 | /* Breakpoint */ |
| 377 | base = ARM_BASE_BCR; | 403 | base = ARM_BASE_BCR; |
| 378 | slots = __get_cpu_var(bp_on_reg); | 404 | slots = (struct perf_event **)__get_cpu_var(bp_on_reg); |
| 379 | max_slots = core_num_brps - 1; | 405 | max_slots = core_num_brps; |
| 380 | |||
| 381 | if (bp_is_single_step(bp)) { | ||
| 382 | i = max_slots; | ||
| 383 | slots[i] = NULL; | ||
| 384 | goto reset; | ||
| 385 | } | ||
| 386 | } else { | 406 | } else { |
| 387 | /* Watchpoint */ | 407 | /* Watchpoint */ |
| 388 | base = ARM_BASE_WCR; | 408 | if (info->step_ctrl.enabled) |
| 389 | slots = __get_cpu_var(wp_on_reg); | 409 | base = ARM_BASE_BCR + core_num_brps; |
| 410 | else | ||
| 411 | base = ARM_BASE_WCR; | ||
| 412 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | ||
| 390 | max_slots = core_num_wrps; | 413 | max_slots = core_num_wrps; |
| 391 | } | 414 | } |
| 392 | 415 | ||
| @@ -403,7 +426,6 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp) · 10 unmodified lines | |||
| 403 | if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot")) | 426 | if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot")) |
| 404 | return; | 427 | return; |
| 405 | 428 | ||
| 406 | reset: | ||
| 407 | /* Reset the control register. */ | 429 | /* Reset the control register. */ |
| 408 | write_wb_reg(base + i, 0); | 430 | write_wb_reg(base + i, 0); |
| 409 | } | 431 | } |
| @@ -537,12 +559,23 @@ static int arch_build_bp_info(struct perf_event *bp) · 127 unmodified lines | |||
| 537 | return -EINVAL; | 559 | return -EINVAL; |
| 538 | } | 560 | } |
| 539 | 561 | ||
| 562 | /* | ||
| 563 | * Breakpoints must be of length 2 (thumb) or 4 (ARM) bytes. | ||
| 564 | * Watchpoints can be of length 1, 2, 4 or 8 bytes if supported | ||
| 565 | * by the hardware and must be aligned to the appropriate number of | ||
| 566 | * bytes. | ||
| 567 | */ | ||
| 568 | if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE && | ||
| 569 | info->ctrl.len != ARM_BREAKPOINT_LEN_2 && | ||
| 570 | info->ctrl.len != ARM_BREAKPOINT_LEN_4) | ||
| 571 | return -EINVAL; | ||
| 572 | |||
| 540 | /* Address */ | 573 | /* Address */ |
| 541 | info->address = bp->attr.bp_addr; | 574 | info->address = bp->attr.bp_addr; |
| 542 | 575 | ||
| 543 | /* Privilege */ | 576 | /* Privilege */ |
| 544 | info->ctrl.privilege = ARM_BREAKPOINT_USER; | 577 | info->ctrl.privilege = ARM_BREAKPOINT_USER; |
| 545 | if (arch_check_bp_in_kernelspace(bp) && !bp_is_single_step(bp)) | 578 | if (arch_check_bp_in_kernelspace(bp)) |
| 546 | info->ctrl.privilege |= ARM_BREAKPOINT_PRIV; | 579 | info->ctrl.privilege |= ARM_BREAKPOINT_PRIV; |
| 547 | 580 | ||
| 548 | /* Enabled? */ | 581 | /* Enabled? */ |
| @@ -561,7 +594,7 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) · 12 unmodified lines | |||
| 561 | { | 594 | { |
| 562 | struct arch_hw_breakpoint *info = counter_arch_bp(bp); | 595 | struct arch_hw_breakpoint *info = counter_arch_bp(bp); |
| 563 | int ret = 0; | 596 | int ret = 0; |
| 564 | u32 bytelen, max_len, offset, alignment_mask = 0x3; | 597 | u32 offset, alignment_mask = 0x3; |
| 565 | 598 | ||
| 566 | /* Build the arch_hw_breakpoint. */ | 599 | /* Build the arch_hw_breakpoint. */ |
| 567 | ret = arch_build_bp_info(bp); | 600 | ret = arch_build_bp_info(bp); |
| @@ -571,84 +604,85 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) · 3 unmodified lines | |||
| 571 | /* Check address alignment. */ | 604 | /* Check address alignment. */ |
| 572 | if (info->ctrl.len == ARM_BREAKPOINT_LEN_8) | 605 | if (info->ctrl.len == ARM_BREAKPOINT_LEN_8) |
| 573 | alignment_mask = 0x7; | 606 | alignment_mask = 0x7; |
| 574 | if (info->address & alignment_mask) { | 607 | offset = info->address & alignment_mask; |
| 575 | /* | 608 | switch (offset) { |
| 576 | * Try to fix the alignment. This may result in a length | 609 | case 0: |
| 577 | * that is too large, so we must check for that. | 610 | /* Aligned */ |
| 578 | */ | 611 | break; |
| 579 | bytelen = get_hbp_len(info->ctrl.len); | 612 | case 1: |
| 580 | max_len = info->ctrl.type == ARM_BREAKPOINT_EXECUTE ? 4 : | 613 | /* Allow single byte watchpoint. */ |
| 581 | max_watchpoint_len; | 614 | if (info->ctrl.len == ARM_BREAKPOINT_LEN_1) |
| 582 | 615 | break; | |
| 583 | if (max_len >= 8) | 616 | case 2: |
| 584 | offset = info->address & 0x7; | 617 | /* Allow halfword watchpoints and breakpoints. */ |
| 585 | else | 618 | if (info->ctrl.len == ARM_BREAKPOINT_LEN_2) |
| 586 | offset = info->address & 0x3; | 619 | break; |
| 587 | 620 | default: | |
| 588 | if (bytelen > (1 << ((max_len - (offset + 1)) >> 1))) { | 621 | ret = -EINVAL; |
| 589 | ret = -EFBIG; | 622 | goto out; |
| 590 | goto out; | ||
| 591 | } | ||
| 592 | |||
| 593 | info->ctrl.len <<= offset; | ||
| 594 | info->address &= ~offset; | ||
| 595 | |||
| 596 | pr_debug("breakpoint alignment fixup: length = 0x%x, " | ||
| 597 | "address = 0x%x\n", info->ctrl.len, info->address); | ||
| 598 | } | 623 | } |
| 599 | 624 | ||
| 625 | info->address &= ~alignment_mask; | ||
| 626 | info->ctrl.len <<= offset; | ||
| 627 | |||
| 600 | /* | 628 | /* |
| 601 | * Currently we rely on an overflow handler to take | 629 | * Currently we rely on an overflow handler to take |
| 602 | * care of single-stepping the breakpoint when it fires. | 630 | * care of single-stepping the breakpoint when it fires. |
| 603 | * In the case of userspace breakpoints on a core with V7 debug, | 631 | * In the case of userspace breakpoints on a core with V7 debug, |
| 604 | * we can use the mismatch feature as a poor-man's hardware single-step. | 632 | * we can use the mismatch feature as a poor-man's hardware |
| 633 | * single-step, but this only works for per-task breakpoints. | ||
| 605 | */ | 634 | */ |
| 606 | if (WARN_ONCE(!bp->overflow_handler && | 635 | if (WARN_ONCE(!bp->overflow_handler && |
| 607 | (arch_check_bp_in_kernelspace(bp) || !core_has_mismatch_bps()), | 636 | (arch_check_bp_in_kernelspace(bp) || !core_has_mismatch_brps() |
| 637 | || !bp->hw.bp_target), | ||
| 608 | "overflow handler required but none found")) { | 638 | "overflow handler required but none found")) { |
| 609 | ret = -EINVAL; | 639 | ret = -EINVAL; |
| 610 | goto out; | ||
| 611 | } | 640 | } |
| 612 | out: | 641 | out: |
| 613 | return ret; | 642 | return ret; |
| 614 | } | 643 | } |
| 615 | 644 | ||
| 616 | static void update_mismatch_flag(int idx, int flag) | 645 | /* |
| 646 | * Enable/disable single-stepping over the breakpoint bp at address addr. | ||
| 647 | */ | ||
| 648 | static void enable_single_step(struct perf_event *bp, u32 addr) | ||
| 617 | { | 649 | { |
| 618 | struct perf_event *bp = __get_cpu_var(bp_on_reg[idx]); | 650 | struct arch_hw_breakpoint *info = counter_arch_bp(bp); |
| 619 | struct arch_hw_breakpoint *info; | ||
| 620 | |||
| 621 | if (bp == NULL) | ||
| 622 | return; | ||
| 623 | 651 | ||
| 624 | info = counter_arch_bp(bp); | 652 | arch_uninstall_hw_breakpoint(bp); |
| 653 | info->step_ctrl.mismatch = 1; | ||
| 654 | info->step_ctrl.len = ARM_BREAKPOINT_LEN_4; | ||
| 655 | info->step_ctrl.type = ARM_BREAKPOINT_EXECUTE; | ||
| 656 | info->step_ctrl.privilege = info->ctrl.privilege; | ||
| 657 | info->step_ctrl.enabled = 1; | ||
| 658 | info->trigger = addr; | ||
| 659 | arch_install_hw_breakpoint(bp); | ||
| 660 | } | ||
| 625 | 661 | ||
| 626 | /* Update the mismatch field to enter/exit `single-step' mode */ | 662 | static void disable_single_step(struct perf_event *bp) |
| 627 | if (!bp->overflow_handler && info->ctrl.mismatch != flag) { | 663 | { |
| 628 | info->ctrl.mismatch = flag; | 664 | arch_uninstall_hw_breakpoint(bp); |
| 629 | write_wb_reg(ARM_BASE_BCR + idx, encode_ctrl_reg(info->ctrl) | 0x1); | 665 | counter_arch_bp(bp)->step_ctrl.enabled = 0; |
| 630 | } | 666 | arch_install_hw_breakpoint(bp); |
| 631 | } | 667 | } |
| 632 | 668 | ||
| 633 | static void watchpoint_handler(unsigned long unknown, struct pt_regs *regs) | 669 | static void watchpoint_handler(unsigned long unknown, struct pt_regs *regs) |
| 634 | { | 670 | { |
| 635 | int i; | 671 | int i; |
| 636 | struct perf_event *bp, **slots = __get_cpu_var(wp_on_reg); | 672 | struct perf_event *wp, **slots; |
| 637 | struct arch_hw_breakpoint *info; | 673 | struct arch_hw_breakpoint *info; |
| 638 | struct perf_event_attr attr; | 674 | |
| 675 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | ||
| 639 | 676 | ||
| 640 | /* Without a disassembler, we can only handle 1 watchpoint. */ | 677 | /* Without a disassembler, we can only handle 1 watchpoint. */ |
| 641 | BUG_ON(core_num_wrps > 1); | 678 | BUG_ON(core_num_wrps > 1); |
| 642 | 679 | ||
| 643 | hw_breakpoint_init(&attr); | ||
| 644 | attr.bp_addr = regs->ARM_pc & ~0x3; | ||
| 645 | attr.bp_len = HW_BREAKPOINT_LEN_4; | ||
| 646 | attr.bp_type = HW_BREAKPOINT_X; | ||
| 647 | |||
| 648 | for (i = 0; i < core_num_wrps; ++i) { | 680 | for (i = 0; i < core_num_wrps; ++i) { |
| 649 | rcu_read_lock(); | 681 | rcu_read_lock(); |
| 650 | 682 | ||
| 651 | if (slots[i] == NULL) { | 683 | wp = slots[i]; |
| 684 | |||
| 685 | if (wp == NULL) { | ||
| 652 | rcu_read_unlock(); | 686 | rcu_read_unlock(); |
| 653 | continue; | 687 | continue; |
| 654 | } | 688 | } |
| @@ -658,24 +692,51 @@ static void watchpoint_handler(unsigned long unknown, struct pt_regs *regs) · 3 unmodified lines | |||
| 658 | * single watchpoint, we can set the trigger to the lowest | 692 | * single watchpoint, we can set the trigger to the lowest |
| 659 | * possible faulting address. | 693 | * possible faulting address. |
| 660 | */ | 694 | */ |
| 661 | info = counter_arch_bp(slots[i]); | 695 | info = counter_arch_bp(wp); |
| 662 | info->trigger = slots[i]->attr.bp_addr; | 696 | info->trigger = wp->attr.bp_addr; |
| 663 | pr_debug("watchpoint fired: address = 0x%x\n", info->trigger); | 697 | pr_debug("watchpoint fired: address = 0x%x\n", info->trigger); |
| 664 | perf_bp_event(slots[i], regs); | 698 | perf_bp_event(wp, regs); |
| 665 | 699 | ||
| 666 | /* | 700 | /* |
| 667 | * If no overflow handler is present, insert a temporary | 701 | * If no overflow handler is present, insert a temporary |
| 668 | * mismatch breakpoint so we can single-step over the | 702 | * mismatch breakpoint so we can single-step over the |
| 669 | * watchpoint trigger. | 703 | * watchpoint trigger. |
| 670 | */ | 704 | */ |
| 671 | if (!slots[i]->overflow_handler) { | 705 | if (!wp->overflow_handler) |
| 672 | bp = register_user_hw_breakpoint(&attr, | 706 | enable_single_step(wp, instruction_pointer(regs)); |
| 673 | wp_single_step_handler, | 707 | |
| 674 | current); | 708 | rcu_read_unlock(); |
| 675 | counter_arch_bp(bp)->suspended_wp = slots[i]; | 709 | } |
| 676 | perf_event_disable(slots[i]); | 710 | } |
| 677 | } | 711 | |
| 712 | static void watchpoint_single_step_handler(unsigned long pc) | ||
| 713 | { | ||
| 714 | int i; | ||
| 715 | struct perf_event *wp, **slots; | ||
| 716 | struct arch_hw_breakpoint *info; | ||
| 717 | |||
| 718 | slots = (struct perf_event **)__get_cpu_var(wp_on_reg); | ||
| 719 | |||
| 720 | for (i = 0; i < core_num_reserved_brps; ++i) { | ||
| 721 | rcu_read_lock(); | ||
| 722 | |||
| 723 | wp = slots[i]; | ||
| 724 | |||
| 725 | if (wp == NULL) | ||
| 726 | goto unlock; | ||
| 727 | |||
| 728 | info = counter_arch_bp(wp); | ||
| 729 | if (!info->step_ctrl.enabled) | ||
| 730 | goto unlock; | ||
| 731 | |||
| 732 | /* | ||
| 733 | * Restore the original watchpoint if we've completed the | ||
| 734 | * single-step. | ||
| 735 | */ | ||
| 736 | if (info->trigger != pc) | ||
| 737 | disable_single_step(wp); | ||
| 678 | 738 | ||
| 739 | unlock: | ||
| 679 | rcu_read_unlock(); | 740 | rcu_read_unlock(); |
| 680 | } | 741 | } |
| 681 | } | 742 | } |
| @@ -683,62 +744,69 @@ static void watchpoint_handler(unsigned long unknown, struct pt_regs *regs) · 1 unmodified line | |||
| 683 | static void breakpoint_handler(unsigned long unknown, struct pt_regs *regs) | 744 | static void breakpoint_handler(unsigned long unknown, struct pt_regs *regs) |
| 684 | { | 745 | { |
| 685 | int i; | 746 | int i; |
| 686 | int mismatch; | ||
| 687 | u32 ctrl_reg, val, addr; | 747 | u32 ctrl_reg, val, addr; |
| 688 | struct perf_event *bp, **slots = __get_cpu_var(bp_on_reg); | 748 | struct perf_event *bp, **slots; |
| 689 | struct arch_hw_breakpoint *info; | 749 | struct arch_hw_breakpoint *info; |
| 690 | struct arch_hw_breakpoint_ctrl ctrl; | 750 | struct arch_hw_breakpoint_ctrl ctrl; |
| 691 | 751 | ||
| 752 | slots = (struct perf_event **)__get_cpu_var(bp_on_reg); | ||
| 753 | |||
| 692 | /* The exception entry code places the amended lr in the PC. */ | 754 | /* The exception entry code places the amended lr in the PC. */ |
| 693 | addr = regs->ARM_pc; | 755 | addr = regs->ARM_pc; |
| 694 | 756 | ||
| 757 | /* Check the currently installed breakpoints first. */ | ||
| 695 | for (i = 0; i < core_num_brps; ++i) { | 758 | for (i = 0; i < core_num_brps; ++i) { |
| 696 | rcu_read_lock(); | 759 | rcu_read_lock(); |
| 697 | 760 | ||
| 698 | bp = slots[i]; | 761 | bp = slots[i]; |
| 699 | 762 | ||
| 700 | if (bp == NULL) { | 763 | if (bp == NULL) |
| 701 | rcu_read_unlock(); | 764 | goto unlock; |
| 702 | continue; | ||
| 703 | } | ||
| 704 | 765 | ||
| 705 | mismatch = 0; | 766 | info = counter_arch_bp(bp); |
| 706 | 767 | ||
| 707 | /* Check if the breakpoint value matches. */ | 768 | /* Check if the breakpoint value matches. */ |
| 708 | val = read_wb_reg(ARM_BASE_BVR + i); | 769 | val = read_wb_reg(ARM_BASE_BVR + i); |
| 709 | if (val != (addr & ~0x3)) | 770 | if (val != (addr & ~0x3)) |
| 710 | goto unlock; | 771 | goto mismatch; |
| 711 | 772 | ||
| 712 | /* Possible match, check the byte address select to confirm. */ | 773 | /* Possible match, check the byte address select to confirm. */ |
| 713 | ctrl_reg = read_wb_reg(ARM_BASE_BCR + i); | 774 | ctrl_reg = read_wb_reg(ARM_BASE_BCR + i); |
| 714 | decode_ctrl_reg(ctrl_reg, &ctrl); | 775 | decode_ctrl_reg(ctrl_reg, &ctrl); |
| 715 | if ((1 << (addr & 0x3)) & ctrl.len) { | 776 | if ((1 << (addr & 0x3)) & ctrl.len) { |
| 716 | mismatch = 1; | ||
| 717 | info = counter_arch_bp(bp); | ||
| 718 | info->trigger = addr; | 777 | info->trigger = addr; |
| 719 | } | ||
| 720 | |||
| 721 | unlock: | ||
| 722 | if ((mismatch && !info->ctrl.mismatch) || bp_is_single_step(bp)) { | ||
| 723 | pr_debug("breakpoint fired: address = 0x%x\n", addr); | 778 | pr_debug("breakpoint fired: address = 0x%x\n", addr); |
| 724 | perf_bp_event(bp, regs); | 779 | perf_bp_event(bp, regs); |
| 780 | if (!bp->overflow_handler) | ||
| 781 | enable_single_step(bp, addr); | ||
| 782 | goto unlock; | ||
| 725 | } | 783 | } |
| 726 | 784 | ||
| 727 | update_mismatch_flag(i, mismatch); | 785 | mismatch: |
| 786 | /* If we're stepping a breakpoint, it can now be restored. */ | ||
| 787 | if (info->step_ctrl.enabled) | ||
| 788 | disable_single_step(bp); | ||
| 789 | unlock: | ||
| 728 | rcu_read_unlock(); | 790 | rcu_read_unlock(); |
| 729 | } | 791 | } |
| 792 | |||
| 793 | /* Handle any pending watchpoint single-step breakpoints. */ | ||
| 794 | watchpoint_single_step_handler(addr); | ||
| 730 | } | 795 | } |
| 731 | 796 | ||
| 732 | /* | 797 | /* |
| 733 | * Called from either the Data Abort Handler [watchpoint] or the | 798 | * Called from either the Data Abort Handler [watchpoint] or the |
| 734 | * Prefetch Abort Handler [breakpoint]. | 799 | * Prefetch Abort Handler [breakpoint] with preemption disabled. |
| 735 | */ | 800 | */ |
| 736 | static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, | 801 | static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, |
| 737 | struct pt_regs *regs) | 802 | struct pt_regs *regs) |
| 738 | { | 803 | { |
| 739 | int ret = 1; /* Unhandled fault. */ | 804 | int ret = 0; |
| 740 | u32 dscr; | 805 | u32 dscr; |
| 741 | 806 | ||
| 807 | /* We must be called with preemption disabled. */ | ||
| 808 | WARN_ON(preemptible()); | ||
| 809 | |||
| 742 | /* We only handle watchpoints and hardware breakpoints. */ | 810 | /* We only handle watchpoints and hardware breakpoints. */ |
| 743 | ARM_DBG_READ(c1, 0, dscr); | 811 | ARM_DBG_READ(c1, 0, dscr); |
| 744 | 812 | ||
| @@ -753,25 +821,47 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, · 8 unmodified lines | |||
| 753 | watchpoint_handler(addr, regs); | 821 | watchpoint_handler(addr, regs); |
| 754 | break; | 822 | break; |
| 755 | default: | 823 | default: |
| 756 | goto out; | 824 | ret = 1; /* Unhandled fault. */ |
| 757 | } | 825 | } |
| 758 | 826 | ||
| 759 | ret = 0; | 827 | /* |
| 760 | out: | 828 | * Re-enable preemption after it was disabled in the |
| 829 | * low-level exception handling code. | ||
| 830 | */ | ||
| 831 | preempt_enable(); | ||
| 832 | |||
| 761 | return ret; | 833 | return ret; |
| 762 | } | 834 | } |
| 763 | 835 | ||
| 764 | /* | 836 | /* |
| 765 | * One-time initialisation. | 837 | * One-time initialisation. |
| 766 | */ | 838 | */ |
| 767 | static void __init reset_ctrl_regs(void *unused) | 839 | static void reset_ctrl_regs(void *unused) |
| 768 | { | 840 | { |
| 769 | int i; | 841 | int i; |
| 770 | 842 | ||
| 843 | /* | ||
| 844 | * v7 debug contains save and restore registers so that debug state | ||
| 845 | * can be maintained across low-power modes without leaving the debug | ||
| 846 | * logic powered up. It is IMPLEMENTATION DEFINED whether we can access | ||
| 847 | * the debug registers out of reset, so we must unlock the OS Lock | ||
| 848 | * Access Register to avoid taking undefined instruction exceptions | ||
| 849 | * later on. | ||
| 850 | */ | ||
| 851 | if (debug_arch >= ARM_DEBUG_ARCH_V7_ECP14) { | ||
| 852 | /* | ||
| 853 | * Unconditionally clear the lock by writing a value | ||
| 854 | * other than 0xC5ACCE55 to the access register. | ||
| 855 | */ | ||
| 856 | asm volatile("mcr p14, 0, %0, c1, c0, 4" : : "r" (0)); | ||
| 857 | isb(); | ||
| 858 | } | ||
| 859 | |||
| 771 | if (enable_monitor_mode()) | 860 | if (enable_monitor_mode()) |
| 772 | return; | 861 | return; |
| 773 | 862 | ||
| 774 | for (i = 0; i < core_num_brps; ++i) { | 863 | /* We must also reset any reserved registers. */ |
| 864 | for (i = 0; i < core_num_brps + core_num_reserved_brps; ++i) { | ||
| 775 | write_wb_reg(ARM_BASE_BCR + i, 0UL); | 865 | write_wb_reg(ARM_BASE_BCR + i, 0UL); |
| 776 | write_wb_reg(ARM_BASE_BVR + i, 0UL); | 866 | write_wb_reg(ARM_BASE_BVR + i, 0UL); |
| 777 | } | 867 | } |
| @@ -782,45 +872,57 @@ static void __init reset_ctrl_regs(void *unused) · 4 unmodified lines | |||
| 782 | } | 872 | } |
| 783 | } | 873 | } |
| 784 | 874 | ||
| 875 | static int __cpuinit dbg_reset_notify(struct notifier_block *self, | ||
| 876 | unsigned long action, void *cpu) | ||
| 877 | { | ||
| 878 | if (action == CPU_ONLINE) | ||
| 879 | smp_call_function_single((int)cpu, reset_ctrl_regs, NULL, 1); | ||
| 880 | return NOTIFY_OK; | ||
| 881 | } | ||
| 882 | |||
| 883 | static struct notifier_block __cpuinitdata dbg_reset_nb = { | ||
| 884 | .notifier_call = dbg_reset_notify, | ||
| 885 | }; | ||
| 886 | |||
| 785 | static int __init arch_hw_breakpoint_init(void) | 887 | static int __init arch_hw_breakpoint_init(void) |
| 786 | { | 888 | { |
| 787 | int ret = 0; | ||
| 788 | u32 dscr; | 889 | u32 dscr; |
| 789 | 890 | ||
| 790 | debug_arch = get_debug_arch(); | 891 | debug_arch = get_debug_arch(); |
| 791 | 892 | ||
| 792 | if (debug_arch > ARM_DEBUG_ARCH_V7_ECP14) { | 893 | if (!debug_arch_supported()) { |
| 793 | pr_info("debug architecture 0x%x unsupported.\n", debug_arch); | 894 | pr_info("debug architecture 0x%x unsupported.\n", debug_arch); |
| 794 | ret = -ENODEV; | 895 | return 0; |
| 795 | goto out; | ||
| 796 | } | 896 | } |
| 797 | 897 | ||
| 798 | /* Determine how many BRPs/WRPs are available. */ | 898 | /* Determine how many BRPs/WRPs are available. */ |
| 799 | core_num_brps = get_num_brps(); | 899 | core_num_brps = get_num_brps(); |
| 900 | core_num_reserved_brps = get_num_reserved_brps(); | ||
| 800 | core_num_wrps = get_num_wrps(); | 901 | core_num_wrps = get_num_wrps(); |
| 801 | 902 | ||
| 802 | pr_info("found %d breakpoint and %d watchpoint registers.\n", | 903 | pr_info("found %d breakpoint and %d watchpoint registers.\n", |
| 803 | core_num_brps, core_num_wrps); | 904 | core_num_brps + core_num_reserved_brps, core_num_wrps); |
| 905 | |||
| 906 | if (core_num_reserved_brps) | ||
| 907 | pr_info("%d breakpoint(s) reserved for watchpoint " | ||
| 908 | "single-step.\n", core_num_reserved_brps); | ||
| 804 | 909 | ||
| 805 | if (core_has_mismatch_bps()) | 910 | /* |
| 806 | pr_info("1 breakpoint reserved for watchpoint single-step.\n"); | 911 | * Reset the breakpoint resources. We assume that a halting |
| 912 | * debugger will leave the world in a nice state for us. | ||
| 913 | */ | ||
| 914 | on_each_cpu(reset_ctrl_regs, NULL, 1); | ||
| 807 | 915 | ||
| 808 | ARM_DBG_READ(c1, 0, dscr); | 916 | ARM_DBG_READ(c1, 0, dscr); |
| 809 | if (dscr & ARM_DSCR_HDBGEN) { | 917 | if (dscr & ARM_DSCR_HDBGEN) { |
| 918 | max_watchpoint_len = 4; | ||
| 810 | pr_warning("halting debug mode enabled. Assuming maximum " | 919 | pr_warning("halting debug mode enabled. Assuming maximum " |
| 811 | "watchpoint size of 4 bytes."); | 920 | "watchpoint size of %u bytes.", max_watchpoint_len); |
| 812 | } else { | 921 | } else { |
| 813 | /* Work out the maximum supported watchpoint length. */ | 922 | /* Work out the maximum supported watchpoint length. */ |
| 814 | max_watchpoint_len = get_max_wp_len(); | 923 | max_watchpoint_len = get_max_wp_len(); |
| 815 | pr_info("maximum watchpoint size is %u bytes.\n", | 924 | pr_info("maximum watchpoint size is %u bytes.\n", |
| 816 | max_watchpoint_len); | 925 | max_watchpoint_len); |
| 817 | |||
| 818 | /* | ||
| 819 | * Reset the breakpoint resources. We assume that a halting | ||
| 820 | * debugger will leave the world in a nice state for us. | ||
| 821 | */ | ||
| 822 | smp_call_function(reset_ctrl_regs, NULL, 1); | ||
| 823 | reset_ctrl_regs(NULL); | ||
| 824 | } | 926 | } |
| 825 | 927 | ||
| 826 | /* Register debug fault handler. */ | 928 | /* Register debug fault handler. */ |
| @@ -829,8 +931,9 @@ static int __init arch_hw_breakpoint_init(void) · 2 unmodified lines | |||
| 829 | hook_ifault_code(2, hw_breakpoint_pending, SIGTRAP, TRAP_HWBKPT, | 931 | hook_ifault_code(2, hw_breakpoint_pending, SIGTRAP, TRAP_HWBKPT, |
| 830 | "breakpoint debug exception"); | 932 | "breakpoint debug exception"); |
| 831 | 933 | ||
| 832 | out: | 934 | /* Register hotplug notifier. */ |
| 833 | return ret; | 935 | register_cpu_notifier(&dbg_reset_nb); |
| 936 | return 0; | ||
| 834 | } | 937 | } |
| 835 | arch_initcall(arch_hw_breakpoint_init); | 938 | arch_initcall(arch_hw_breakpoint_init); |
| 836 | 939 | ||
| @@ -35,8 +35,10 @@ · 34 unmodified lines | |||
| 35 | #include <linux/list.h> | 35 | #include <linux/list.h> |
| 36 | #include <linux/kallsyms.h> | 36 | #include <linux/kallsyms.h> |
| 37 | #include <linux/proc_fs.h> | 37 | #include <linux/proc_fs.h> |
| 38 | #include <linux/ftrace.h> | ||
| 38 | 39 | ||
| 39 | #include <asm/system.h> | 40 | #include <asm/system.h> |
| 41 | #include <asm/mach/arch.h> | ||
| 40 | #include <asm/mach/irq.h> | 42 | #include <asm/mach/irq.h> |
| 41 | #include <asm/mach/time.h> | 43 | #include <asm/mach/time.h> |
| 42 | 44 | ||
| @@ -47,8 +49,6 @@ · 4 unmodified lines | |||
| 47 | #define irq_finish(irq) do { } while (0) | 49 | #define irq_finish(irq) do { } while (0) |
| 48 | #endif | 50 | #endif |
| 49 | 51 | ||
| 50 | unsigned int arch_nr_irqs; | ||
| 51 | void (*init_arch_irq)(void) __initdata = NULL; | ||
| 52 | unsigned long irq_err_count; | 52 | unsigned long irq_err_count; |
| 53 | 53 | ||
| 54 | int show_interrupts(struct seq_file *p, void *v) | 54 | int show_interrupts(struct seq_file *p, void *v) |
| @@ -57,11 +57,20 @@ int show_interrupts(struct seq_file *p, void *v) · 2 unmodified lines | |||
| 57 | struct irq_desc *desc; | 57 | struct irq_desc *desc; |
| 58 | struct irqaction * action; | 58 | struct irqaction * action; |
| 59 | unsigned long flags; | 59 | unsigned long flags; |
| 60 | int prec, n; | ||
| 61 | |||
| 62 | for (prec = 3, n = 1000; prec < 10 && n <= nr_irqs; prec++) | ||
| 63 | n *= 10; | ||
| 64 | |||
| 65 | #ifdef CONFIG_SMP | ||
| 66 | if (prec < 4) | ||
| 67 | prec = 4; | ||
| 68 | #endif | ||
| 60 | 69 | ||
| 61 | if (i == 0) { | 70 | if (i == 0) { |
| 62 | char cpuname[12]; | 71 | char cpuname[12]; |
| 63 | 72 | ||
| 64 | seq_printf(p, " "); | 73 | seq_printf(p, "%*s ", prec, ""); |
| 65 | for_each_present_cpu(cpu) { | 74 | for_each_present_cpu(cpu) { |
| 66 | sprintf(cpuname, "CPU%d", cpu); | 75 | sprintf(cpuname, "CPU%d", cpu); |
| 67 | seq_printf(p, " %10s", cpuname); | 76 | seq_printf(p, " %10s", cpuname); |
| @@ -76,10 +85,10 @@ int show_interrupts(struct seq_file *p, void *v) · 8 unmodified lines | |||
| 76 | if (!action) | 85 | if (!action) |
| 77 | goto unlock; | 86 | goto unlock; |
| 78 | 87 | ||
| 79 | seq_printf(p, "%3d: ", i); | 88 | seq_printf(p, "%*d: ", prec, i); |
| 80 | for_each_present_cpu(cpu) | 89 | for_each_present_cpu(cpu) |
| 81 | seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu)); | 90 | seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu)); |
| 82 | seq_printf(p, " %10s", desc->chip->name ? : "-"); | 91 | seq_printf(p, " %10s", desc->irq_data.chip->name ? : "-"); |
| 83 | seq_printf(p, " %s", action->name); | 92 | seq_printf(p, " %s", action->name); |
| 84 | for (action = action->next; action; action = action->next) | 93 | for (action = action->next; action; action = action->next) |
| 85 | seq_printf(p, ", %s", action->name); | 94 | seq_printf(p, ", %s", action->name); |
| @@ -89,13 +98,15 @@ unlock: · 3 unmodified lines | |||
| 89 | raw_spin_unlock_irqrestore(&desc->lock, flags); | 98 | raw_spin_unlock_irqrestore(&desc->lock, flags); |
| 90 | } else if (i == nr_irqs) { | 99 | } else if (i == nr_irqs) { |
| 91 | #ifdef CONFIG_FIQ | 100 | #ifdef CONFIG_FIQ |
| 92 | show_fiq_list(p, v); | 101 | show_fiq_list(p, prec); |
| 93 | #endif | 102 | #endif |
| 94 | #ifdef CONFIG_SMP | 103 | #ifdef CONFIG_SMP |
| 95 | show_ipi_list(p); | 104 | show_ipi_list(p, prec); |
| 96 | show_local_irqs(p); | 105 | #endif |
| 106 | #ifdef CONFIG_LOCAL_TIMERS | ||
| 107 | show_local_irqs(p, prec); | ||
| 97 | #endif | 108 | #endif |
| 98 | seq_printf(p, "Err: %10lu\n", irq_err_count); | 109 | seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count); |
| 99 | } | 110 | } |
| 100 | return 0; | 111 | return 0; |
| 101 | } | 112 | } |
| @@ -105,7 +116,8 @@ unlock: · 3 unmodified lines | |||
| 105 | * come via this function. Instead, they should provide their | 116 | * come via this function. Instead, they should provide their |
| 106 | * own 'handler' | 117 | * own 'handler' |
| 107 | */ | 118 | */ |
| 108 | asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs) | 119 | asmlinkage void __exception_irq_entry |
| 120 | asm_do_IRQ(unsigned int irq, struct pt_regs *regs) | ||
| 109 | { | 121 | { |
| 110 | struct pt_regs *old_regs = set_irq_regs(regs); | 122 | struct pt_regs *old_regs = set_irq_regs(regs); |
| 111 | 123 | ||
| @@ -154,13 +166,13 @@ void set_irq_flags(unsigned int irq, unsigned int iflags) · 42 unmodified lines | |||
| 154 | 166 | ||
| 155 | void __init init_IRQ(void) | 167 | void __init init_IRQ(void) |
| 156 | { | 168 | { |
| 157 | init_arch_irq(); | 169 | machine_desc->init_irq(); |
| 158 | } | 170 | } |
| 159 | 171 | ||
| 160 | #ifdef CONFIG_SPARSE_IRQ | 172 | #ifdef CONFIG_SPARSE_IRQ |
| 161 | int __init arch_probe_nr_irqs(void) | 173 | int __init arch_probe_nr_irqs(void) |
| 162 | { | 174 | { |
| 163 | nr_irqs = arch_nr_irqs ? arch_nr_irqs : NR_IRQS; | 175 | nr_irqs = machine_desc->nr_irqs ? machine_desc->nr_irqs : NR_IRQS; |
| 164 | return nr_irqs; | 176 | return nr_irqs; |
| 165 | } | 177 | } |
| 166 | #endif | 178 | #endif |
| @@ -169,10 +181,11 @@ int __init arch_probe_nr_irqs(void) · 2 unmodified lines | |||
| 169 | 181 | ||
| 170 | static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu) | 182 | static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu) |
| 171 | { | 183 | { |
| 172 | pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu); | 184 | pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->irq_data.node, cpu); |
| 173 | 185 | ||
| 174 | raw_spin_lock_irq(&desc->lock); | 186 | raw_spin_lock_irq(&desc->lock); |
| 175 | desc->chip->set_affinity(irq, cpumask_of(cpu)); | 187 | desc->irq_data.chip->irq_set_affinity(&desc->irq_data, |
| 188 | cpumask_of(cpu), false); | ||
| 176 | raw_spin_unlock_irq(&desc->lock); | 189 | raw_spin_unlock_irq(&desc->lock); |
| 177 | } | 190 | } |
| 178 | 191 | ||
| @@ -187,16 +200,18 @@ void migrate_irqs(void) · 8 unmodified lines | |||
| 187 | struct irq_desc *desc; | 200 | struct irq_desc *desc; |
| 188 | 201 | ||
| 189 | for_each_irq_desc(i, desc) { | 202 | for_each_irq_desc(i, desc) { |
| 190 | if (desc->node == cpu) { | 203 | struct irq_data *d = &desc->irq_data; |
| 191 | unsigned int newcpu = cpumask_any_and(desc->affinity, | 204 | |
| 205 | if (d->node == cpu) { | ||
| 206 | unsigned int newcpu = cpumask_any_and(d->affinity, | ||
| 192 | cpu_online_mask); | 207 | cpu_online_mask); |
| 193 | if (newcpu >= nr_cpu_ids) { | 208 | if (newcpu >= nr_cpu_ids) { |
| 194 | if (printk_ratelimit()) | 209 | if (printk_ratelimit()) |
| 195 | printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n", | 210 | printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n", |
| 196 | i, cpu); | 211 | i, cpu); |
| 197 | 212 | ||
| 198 | cpumask_setall(desc->affinity); | 213 | cpumask_setall(d->affinity); |
| 199 | newcpu = cpumask_any_and(desc->affinity, | 214 | newcpu = cpumask_any_and(d->affinity, |
| 200 | cpu_online_mask); | 215 | cpu_online_mask); |
| 201 | } | 216 | } |
| 202 | 217 | ||
| @@ -19,6 +19,14 @@ · 18 unmodified lines | |||
| 19 | #include <asm/thread_info.h> | 19 | #include <asm/thread_info.h> |
| 20 | #include <asm/asm-offsets.h> | 20 | #include <asm/asm-offsets.h> |
| 21 | 21 | ||
| 22 | #if defined(CONFIG_CPU_PJ4) | ||
| 23 | #define PJ4(code...) code | ||
| 24 | #define XSC(code...) | ||
| 25 | #else | ||
| 26 | #define PJ4(code...) | ||
| 27 | #define XSC(code...) code | ||
| 28 | #endif | ||
| 29 | |||
| 22 | #define MMX_WR0 (0x00) | 30 | #define MMX_WR0 (0x00) |
| 23 | #define MMX_WR1 (0x08) | 31 | #define MMX_WR1 (0x08) |
| 24 | #define MMX_WR2 (0x10) | 32 | #define MMX_WR2 (0x10) |
| @@ -58,11 +66,17 @@ · 33 unmodified lines | |||
| 58 | 66 | ||
| 59 | ENTRY(iwmmxt_task_enable) | 67 | ENTRY(iwmmxt_task_enable) |
| 60 | 68 | ||
| 61 | mrc p15, 0, r2, c15, c1, 0 | 69 | XSC(mrc p15, 0, r2, c15, c1, 0) |
| 62 | tst r2, #0x3 @ CP0 and CP1 accessible? | 70 | PJ4(mrc p15, 0, r2, c1, c0, 2) |
| 71 | @ CP0 and CP1 accessible? | ||
| 72 | XSC(tst r2, #0x3) | ||
| 73 | PJ4(tst r2, #0xf) | ||
| 63 | movne pc, lr @ if so no business here | 74 | movne pc, lr @ if so no business here |
| 64 | orr r2, r2, #0x3 @ enable access to CP0 and CP1 | 75 | @ enable access to CP0 and CP1 |
| 65 | mcr p15, 0, r2, c15, c1, 0 | 76 | XSC(orr r2, r2, #0x3) |
| 77 | XSC(mcr p15, 0, r2, c15, c1, 0) | ||
| 78 | PJ4(orr r2, r2, #0xf) | ||
| 79 | PJ4(mcr p15, 0, r2, c1, c0, 2) | ||
| 66 | 80 | ||
| 67 | ldr r3, =concan_owner | 81 | ldr r3, =concan_owner |
| 68 | add r0, r10, #TI_IWMMXT_STATE @ get task Concan save area | 82 | add r0, r10, #TI_IWMMXT_STATE @ get task Concan save area |
| @@ -179,17 +193,26 @@ ENTRY(iwmmxt_task_disable) · 110 unmodified lines | |||
| 179 | teqne r1, r2 @ or specified one? | 193 | teqne r1, r2 @ or specified one? |
| 180 | bne 1f @ no: quit | 194 | bne 1f @ no: quit |
| 181 | 195 | ||
| 182 | mrc p15, 0, r4, c15, c1, 0 | 196 | @ enable access to CP0 and CP1 |
| 183 | orr r4, r4, #0x3 @ enable access to CP0 and CP1 | 197 | XSC(mrc p15, 0, r4, c15, c1, 0) |
| 184 | mcr p15, 0, r4, c15, c1, 0 | 198 | XSC(orr r4, r4, #0xf) |
| 199 | XSC(mcr p15, 0, r4, c15, c1, 0) | ||
| 200 | PJ4(mrc p15, 0, r4, c1, c0, 2) | ||
| 201 | PJ4(orr r4, r4, #0x3) | ||
| 202 | PJ4(mcr p15, 0, r4, c1, c0, 2) | ||
| 203 | |||
| 185 | mov r0, #0 @ nothing to load | 204 | mov r0, #0 @ nothing to load |
| 186 | str r0, [r3] @ no more current owner | 205 | str r0, [r3] @ no more current owner |
| 187 | mrc p15, 0, r2, c2, c0, 0 | 206 | mrc p15, 0, r2, c2, c0, 0 |
| 188 | mov r2, r2 @ cpwait | 207 | mov r2, r2 @ cpwait |
| 189 | bl concan_save | 208 | bl concan_save |
| 190 | 209 | ||
| 191 | bic r4, r4, #0x3 @ disable access to CP0 and CP1 | 210 | @ disable access to CP0 and CP1 |
| 192 | mcr p15, 0, r4, c15, c1, 0 | 211 | XSC(bic r4, r4, #0x3) |
| 212 | XSC(mcr p15, 0, r4, c15, c1, 0) | ||
| 213 | PJ4(bic r4, r4, #0xf) | ||
| 214 | PJ4(mcr p15, 0, r4, c1, c0, 2) | ||
| 215 | |||
| 193 | mrc p15, 0, r2, c2, c0, 0 | 216 | mrc p15, 0, r2, c2, c0, 0 |
| 194 | mov r2, r2 @ cpwait | 217 | mov r2, r2 @ cpwait |
| 195 | 218 | ||
| @@ -277,8 +300,11 @@ ENTRY(iwmmxt_task_restore) · 81 unmodified lines | |||
| 277 | */ | 300 | */ |
| 278 | ENTRY(iwmmxt_task_switch) | 301 | ENTRY(iwmmxt_task_switch) |
| 279 | 302 | ||
| 280 | mrc p15, 0, r1, c15, c1, 0 | 303 | XSC(mrc p15, 0, r1, c15, c1, 0) |
| 281 | tst r1, #0x3 @ CP0 and CP1 accessible? | 304 | PJ4(mrc p15, 0, r1, c1, c0, 2) |
| 305 | @ CP0 and CP1 accessible? | ||
| 306 | XSC(tst r1, #0x3) | ||
| 307 | PJ4(tst r1, #0xf) | ||
| 282 | bne 1f @ yes: block them for next task | 308 | bne 1f @ yes: block them for next task |
| 283 | 309 | ||
| 284 | ldr r2, =concan_owner | 310 | ldr r2, =concan_owner |
| @@ -287,8 +313,11 @@ ENTRY(iwmmxt_task_switch) · 2 unmodified lines | |||
| 287 | teq r2, r3 @ next task owns it? | 313 | teq r2, r3 @ next task owns it? |
| 288 | movne pc, lr @ no: leave Concan disabled | 314 | movne pc, lr @ no: leave Concan disabled |
| 289 | 315 | ||
| 290 | 1: eor r1, r1, #3 @ flip Concan access | 316 | 1: @ flip Conan access |
| 291 | mcr p15, 0, r1, c15, c1, 0 | 317 | XSC(eor r1, r1, #0x3) |
| 318 | XSC(mcr p15, 0, r1, c15, c1, 0) | ||
| 319 | PJ4(eor r1, r1, #0xf) | ||
| 320 | PJ4(mcr p15, 0, r1, c1, c0, 2) | ||
| 292 | 321 | ||
| 293 | mrc p15, 0, r1, c2, c0, 0 | 322 | mrc p15, 0, r1, c2, c0, 0 |
| 294 | sub pc, lr, r1, lsr #32 @ cpwait and return | 323 | sub pc, lr, r1, lsr #32 @ cpwait and return |
| @@ -1437,7 +1437,7 @@ arm_kprobe_decode_insn(kprobe_opcode_t insn, struct arch_specific_insn *asi) · 1436 unmodified lines | |||
| 1437 | 1437 | ||
| 1438 | return space_cccc_1100_010x(insn, asi); | 1438 | return space_cccc_1100_010x(insn, asi); |
| 1439 | 1439 | ||
| 1440 | } else if ((insn & 0x0e000000) == 0x0c400000) { | 1440 | } else if ((insn & 0x0e000000) == 0x0c000000) { |
| 1441 | 1441 | ||
| 1442 | return space_cccc_110x(insn, asi); | 1442 | return space_cccc_110x(insn, asi); |
| 1443 | 1443 | ||
| @@ -23,6 +23,8 @@ extern unsigned long kexec_indirection_page; · 22 unmodified lines | |||
| 23 | extern unsigned long kexec_mach_type; | 23 | extern unsigned long kexec_mach_type; |
| 24 | extern unsigned long kexec_boot_atags; | 24 | extern unsigned long kexec_boot_atags; |
| 25 | 25 | ||
| 26 | static atomic_t waiting_for_crash_ipi; | ||
| 27 | |||
| 26 | /* | 28 | /* |
| 27 | * Provide a dummy crash_notes definition while crash dump arrives to arm. | 29 | * Provide a dummy crash_notes definition while crash dump arrives to arm. |
| 28 | * This prevents breakage of crash_notes attribute in kernel/ksysfs.c. | 30 | * This prevents breakage of crash_notes attribute in kernel/ksysfs.c. |
| @@ -37,9 +39,37 @@ void machine_kexec_cleanup(struct kimage *image) · 8 unmodified lines | |||
| 37 | { | 39 | { |
| 38 | } | 40 | } |
| 39 | 41 | ||
| 42 | void machine_crash_nonpanic_core(void *unused) | ||
| 43 | { | ||
| 44 | struct pt_regs regs; | ||
| 45 | |||
| 46 | crash_setup_regs(®s, NULL); | ||
| 47 | printk(KERN_DEBUG "CPU %u will stop doing anything useful since another CPU has crashed\n", | ||
| 48 | smp_processor_id()); | ||
| 49 | crash_save_cpu(®s, smp_processor_id()); | ||
| 50 | flush_cache_all(); | ||
| 51 | |||
| 52 | atomic_dec(&waiting_for_crash_ipi); | ||
| 53 | while (1) | ||
| 54 | cpu_relax(); | ||
| 55 | } | ||
| 56 | |||
| 40 | void machine_crash_shutdown(struct pt_regs *regs) | 57 | void machine_crash_shutdown(struct pt_regs *regs) |
| 41 | { | 58 | { |
| 59 | unsigned long msecs; | ||
| 60 | |||
| 42 | local_irq_disable(); | 61 | local_irq_disable(); |
| 62 | |||
| 63 | atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); | ||
| 64 | smp_call_function(machine_crash_nonpanic_core, NULL, false); | ||
| 65 | msecs = 1000; /* Wait at most a second for the other cpus to stop */ | ||
| 66 | while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) { | ||
| 67 | mdelay(1); | ||
| 68 | msecs--; | ||
| 69 | } | ||
| 70 | if (atomic_read(&waiting_for_crash_ipi) > 0) | ||
| 71 | printk(KERN_WARNING "Non-crashing CPUs did not react to IPI\n"); | ||
| 72 | |||
| 43 | crash_save_cpu(regs, smp_processor_id()); | 73 | crash_save_cpu(regs, smp_processor_id()); |
| 44 | 74 | ||
| 45 | printk(KERN_INFO "Loading crashdump kernel...\n"); | 75 | printk(KERN_INFO "Loading crashdump kernel...\n"); |
| @@ -22,6 +22,7 @@ · 21 unmodified lines | |||
| 22 | 22 | ||
| 23 | #include <asm/pgtable.h> | 23 | #include <asm/pgtable.h> |
| 24 | #include <asm/sections.h> | 24 | #include <asm/sections.h> |
| 25 | #include <asm/smp_plat.h> | ||
| 25 | #include <asm/unwind.h> | 26 | #include <asm/unwind.h> |
| 26 | 27 | ||
| 27 | #ifdef CONFIG_XIP_KERNEL | 28 | #ifdef CONFIG_XIP_KERNEL |
| @@ -38,17 +39,9 @@ · 10 unmodified lines | |||
| 38 | #ifdef CONFIG_MMU | 39 | #ifdef CONFIG_MMU |
| 39 | void *module_alloc(unsigned long size) | 40 | void *module_alloc(unsigned long size) |
| 40 | { | 41 | { |
| 41 | struct vm_struct *area; | 42 | return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, |
| 42 | 43 | GFP_KERNEL, PAGE_KERNEL_EXEC, -1, | |
| 43 | size = PAGE_ALIGN(size); | 44 | __builtin_return_address(0)); |
| 44 | if (!size) | ||
| 45 | return NULL; | ||
| 46 | |||
| 47 | area = __get_vm_area(size, VM_ALLOC, MODULES_VADDR, MODULES_END); | ||
| 48 | if (!area) | ||
| 49 | return NULL; | ||
| 50 | |||
| 51 | return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL_EXEC); | ||
| 52 | } | 45 | } |
| 53 | #else /* CONFIG_MMU */ | 46 | #else /* CONFIG_MMU */ |
| 54 | void *module_alloc(unsigned long size) | 47 | void *module_alloc(unsigned long size) |
| @@ -67,35 +60,6 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, · 12 unmodified lines | |||
| 67 | char *secstrings, | 60 | char *secstrings, |
| 68 | struct module *mod) | 61 | struct module *mod) |
| 69 | { | 62 | { |
| 70 | #ifdef CONFIG_ARM_UNWIND | ||
| 71 | Elf_Shdr *s, *sechdrs_end = sechdrs + hdr->e_shnum; | ||
| 72 | struct arm_unwind_mapping *maps = mod->arch.map; | ||
| 73 | |||
| 74 | for (s = sechdrs; s < sechdrs_end; s++) { | ||
| 75 | char const *secname = secstrings + s->sh_name; | ||
| 76 | |||
| 77 | if (strcmp(".ARM.exidx.init.text", secname) == 0) | ||
| 78 | maps[ARM_SEC_INIT].unw_sec = s; | ||
| 79 | else if (strcmp(".ARM.exidx.devinit.text", secname) == 0) | ||
| 80 | maps[ARM_SEC_DEVINIT].unw_sec = s; | ||
| 81 | else if (strcmp(".ARM.exidx", secname) == 0) | ||
| 82 | maps[ARM_SEC_CORE].unw_sec = s; | ||
| 83 | else if (strcmp(".ARM.exidx.exit.text", secname) == 0) | ||
| 84 | maps[ARM_SEC_EXIT].unw_sec = s; | ||
| 85 | else if (strcmp(".ARM.exidx.devexit.text", secname) == 0) | ||
| 86 | maps[ARM_SEC_DEVEXIT].unw_sec = s; | ||
| 87 | else if (strcmp(".init.text", secname) == 0) | ||
| 88 | maps[ARM_SEC_INIT].sec_text = s; | ||
| 89 | else if (strcmp(".devinit.text", secname) == 0) | ||
| 90 | maps[ARM_SEC_DEVINIT].sec_text = s; | ||
| 91 | else if (strcmp(".text", secname) == 0) | ||
| 92 | maps[ARM_SEC_CORE].sec_text = s; | ||
| 93 | else if (strcmp(".exit.text", secname) == 0) | ||
| 94 | maps[ARM_SEC_EXIT].sec_text = s; | ||
| 95 | else if (strcmp(".devexit.text", secname) == 0) | ||
| 96 | maps[ARM_SEC_DEVEXIT].sec_text = s; | ||
| 97 | } | ||
| 98 | #endif | ||
| 99 | return 0; | 63 | return 0; |
| 100 | } | 64 | } |
| 101 | 65 | ||
| @@ -300,41 +264,88 @@ apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, · 198 unmodified lines | |||
| 300 | return -ENOEXEC; | 264 | return -ENOEXEC; |
| 301 | } | 265 | } |
| 302 | 266 | ||
| 303 | #ifdef CONFIG_ARM_UNWIND | 267 | struct mod_unwind_map { |
| 304 | static void register_unwind_tables(struct module *mod) | 268 | const Elf_Shdr *unw_sec; |
| 305 | { | 269 | const Elf_Shdr *txt_sec; |
| 306 | int i; | 270 | }; |
| 307 | for (i = 0; i < ARM_SEC_MAX; ++i) { | ||
| 308 | struct arm_unwind_mapping *map = &mod->arch.map[i]; | ||
| 309 | if (map->unw_sec && map->sec_text) | ||
| 310 | map->unwind = unwind_table_add(map->unw_sec->sh_addr, | ||
| 311 | map->unw_sec->sh_size, | ||
| 312 | map->sec_text->sh_addr, | ||
| 313 | map->sec_text->sh_size); | ||
| 314 | } | ||
| 315 | } | ||
| 316 | 271 | ||
| 317 | static void unregister_unwind_tables(struct module *mod) | 272 | static const Elf_Shdr *find_mod_section(const Elf32_Ehdr *hdr, |
| 273 | const Elf_Shdr *sechdrs, const char *name) | ||
| 318 | { | 274 | { |
| 319 | int i = ARM_SEC_MAX; | 275 | const Elf_Shdr *s, *se; |
| 320 | while (--i >= 0) | 276 | const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; |
| 321 | unwind_table_del(mod->arch.map[i].unwind); | 277 | |
| 278 | for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) | ||
| 279 | if (strcmp(name, secstrs + s->sh_name) == 0) | ||
| 280 | return s; | ||
| 281 | |||
| 282 | return NULL; | ||
| 322 | } | 283 | } |
| 323 | #else | ||
| 324 | static inline void register_unwind_tables(struct module *mod) { } | ||
| 325 | static inline void unregister_unwind_tables(struct module *mod) { } | ||
| 326 | #endif | ||
| 327 | 284 | ||
| 328 | int | 285 | extern void fixup_smp(const void *, unsigned long); |
| 329 | module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, | 286 | |
| 330 | struct module *module) | 287 | int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, |
| 288 | struct module *mod) | ||
| 331 | { | 289 | { |
| 332 | register_unwind_tables(module); | 290 | const Elf_Shdr * __maybe_unused s = NULL; |
| 291 | #ifdef CONFIG_ARM_UNWIND | ||
| 292 | const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; | ||
| 293 | const Elf_Shdr *sechdrs_end = sechdrs + hdr->e_shnum; | ||
| 294 | struct mod_unwind_map maps[ARM_SEC_MAX]; | ||
| 295 | int i; | ||
| 296 | |||
| 297 | memset(maps, 0, sizeof(maps)); | ||
| 298 | |||
| 299 | for (s = sechdrs; s < sechdrs_end; s++) { | ||
| 300 | const char *secname = secstrs + s->sh_name; | ||
| 301 | |||
| 302 | if (!(s->sh_flags & SHF_ALLOC)) | ||
| 303 | continue; | ||
| 304 | |||
| 305 | if (strcmp(".ARM.exidx.init.text", secname) == 0) | ||
| 306 | maps[ARM_SEC_INIT].unw_sec = s; | ||
| 307 | else if (strcmp(".ARM.exidx.devinit.text", secname) == 0) | ||
| 308 | maps[ARM_SEC_DEVINIT].unw_sec = s; | ||
| 309 | else if (strcmp(".ARM.exidx", secname) == 0) | ||
| 310 | maps[ARM_SEC_CORE].unw_sec = s; | ||
| 311 | else if (strcmp(".ARM.exidx.exit.text", secname) == 0) | ||
| 312 | maps[ARM_SEC_EXIT].unw_sec = s; | ||
| 313 | else if (strcmp(".ARM.exidx.devexit.text", secname) == 0) | ||
| 314 | maps[ARM_SEC_DEVEXIT].unw_sec = s; | ||
| 315 | else if (strcmp(".init.text", secname) == 0) | ||
| 316 | maps[ARM_SEC_INIT].txt_sec = s; | ||
| 317 | else if (strcmp(".devinit.text", secname) == 0) | ||
| 318 | maps[ARM_SEC_DEVINIT].txt_sec = s; | ||
| 319 | else if (strcmp(".text", secname) == 0) | ||
| 320 | maps[ARM_SEC_CORE].txt_sec = s; | ||
| 321 | else if (strcmp(".exit.text", secname) == 0) | ||
| 322 | maps[ARM_SEC_EXIT].txt_sec = s; | ||
| 323 | else if (strcmp(".devexit.text", secname) == 0) | ||
| 324 | maps[ARM_SEC_DEVEXIT].txt_sec = s; | ||
| 325 | } | ||
| 326 | |||
| 327 | for (i = 0; i < ARM_SEC_MAX; i++) | ||
| 328 | if (maps[i].unw_sec && maps[i].txt_sec) | ||
| 329 | mod->arch.unwind[i] = | ||
| 330 | unwind_table_add(maps[i].unw_sec->sh_addr, | ||
| 331 | maps[i].unw_sec->sh_size, | ||
| 332 | maps[i].txt_sec->sh_addr, | ||
| 333 | maps[i].txt_sec->sh_size); | ||
| 334 | #endif | ||
| 335 | s = find_mod_section(hdr, sechdrs, ".alt.smp.init"); | ||
| 336 | if (s && !is_smp()) | ||
| 337 | fixup_smp((void *)s->sh_addr, s->sh_size); | ||
| 333 | return 0; | 338 | return 0; |
| 334 | } | 339 | } |
| 335 | 340 | ||
| 336 | void | 341 | void |
| 337 | module_arch_cleanup(struct module *mod) | 342 | module_arch_cleanup(struct module *mod) |
| 338 | { | 343 | { |
| 339 | unregister_unwind_tables(mod); | 344 | #ifdef CONFIG_ARM_UNWIND |
| 345 | int i; | ||
| 346 | |||
| 347 | for (i = 0; i < ARM_SEC_MAX; i++) | ||
| 348 | if (mod->arch.unwind[i]) | ||
| 349 | unwind_table_del(mod->arch.unwind[i]); | ||
| 350 | #endif | ||
| 340 | } | 351 | } |
| @@ -4,9 +4,7 @@ · 3 unmodified lines | |||
| 4 | * ARM performance counter support. | 4 | * ARM performance counter support. |
| 5 | * | 5 | * |
| 6 | * Copyright (C) 2009 picoChip Designs, Ltd., Jamie Iles | 6 | * Copyright (C) 2009 picoChip Designs, Ltd., Jamie Iles |
| 7 | * | 7 | * Copyright (C) 2010 ARM Ltd., Will Deacon <will.deacon@arm.com> |
| 8 | * ARMv7 support: Jean Pihet <jpihet@mvista.com> | ||
| 9 | * 2010 (c) MontaVista Software, LLC. | ||
| 10 | * | 8 | * |
| 11 | * This code is based on the sparc64 perf event code, which is in turn based | 9 | * This code is based on the sparc64 perf event code, which is in turn based |
| 12 | * on the x86 code. Callchain code is based on the ARM OProfile backtrace | 10 | * on the x86 code. Callchain code is based on the ARM OProfile backtrace |
| @@ -34,7 +32,7 @@ static struct platform_device *pmu_device; · 21 unmodified lines | |||
| 34 | * Hardware lock to serialize accesses to PMU registers. Needed for the | 32 | * Hardware lock to serialize accesses to PMU registers. Needed for the |
| 35 | * read/modify/write sequences. | 33 | * read/modify/write sequences. |
| 36 | */ | 34 | */ |
| 37 | DEFINE_SPINLOCK(pmu_lock); | 35 | static DEFINE_RAW_SPINLOCK(pmu_lock); |
| 38 | 36 | ||
| 39 | /* | 37 | /* |
| 40 | * ARMv6 supports a maximum of 3 events, starting from index 1. If we add | 38 | * ARMv6 supports a maximum of 3 events, starting from index 1. If we add |
| @@ -67,31 +65,25 @@ struct cpu_hw_events { · 26 unmodified lines | |||
| 67 | */ | 65 | */ |
| 68 | unsigned long active_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)]; | 66 | unsigned long active_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)]; |
| 69 | }; | 67 | }; |
| 70 | DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events); | 68 | static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events); |
| 71 | |||
| 72 | /* PMU names. */ | ||
| 73 | static const char *arm_pmu_names[] = { | ||
| 74 | [ARM_PERF_PMU_ID_XSCALE1] = "xscale1", | ||
| 75 | [ARM_PERF_PMU_ID_XSCALE2] = "xscale2", | ||
| 76 | [ARM_PERF_PMU_ID_V6] = "v6", | ||
| 77 | [ARM_PERF_PMU_ID_V6MP] = "v6mpcore", | ||
| 78 | [ARM_PERF_PMU_ID_CA8] = "ARMv7 Cortex-A8", | ||
| 79 | [ARM_PERF_PMU_ID_CA9] = "ARMv7 Cortex-A9", | ||
| 80 | }; | ||
| 81 | 69 | ||
| 82 | struct arm_pmu { | 70 | struct arm_pmu { |
| 83 | enum arm_perf_pmu_ids id; | 71 | enum arm_perf_pmu_ids id; |
| 72 | const char *name; | ||
| 84 | irqreturn_t (*handle_irq)(int irq_num, void *dev); | 73 | irqreturn_t (*handle_irq)(int irq_num, void *dev); |
| 85 | void (*enable)(struct hw_perf_event *evt, int idx); | 74 | void (*enable)(struct hw_perf_event *evt, int idx); |
| 86 | void (*disable)(struct hw_perf_event *evt, int idx); | 75 | void (*disable)(struct hw_perf_event *evt, int idx); |
| 87 | int (*event_map)(int evt); | ||
| 88 | u64 (*raw_event)(u64); | ||
| 89 | int (*get_event_idx)(struct cpu_hw_events *cpuc, | 76 | int (*get_event_idx)(struct cpu_hw_events *cpuc, |
| 90 | struct hw_perf_event *hwc); | 77 | struct hw_perf_event *hwc); |
| 91 | u32 (*read_counter)(int idx); | 78 | u32 (*read_counter)(int idx); |
| 92 | void (*write_counter)(int idx, u32 val); | 79 | void (*write_counter)(int idx, u32 val); |
| 93 | void (*start)(void); | 80 | void (*start)(void); |
| 94 | void (*stop)(void); | 81 | void (*stop)(void); |
| 82 | const unsigned (*cache_map)[PERF_COUNT_HW_CACHE_MAX] | ||
| 83 | [PERF_COUNT_HW_CACHE_OP_MAX] | ||
| 84 | [PERF_COUNT_HW_CACHE_RESULT_MAX]; | ||
| 85 | const unsigned (*event_map)[PERF_COUNT_HW_MAX]; | ||
| 86 | u32 raw_event_mask; | ||
| 95 | int num_events; | 87 | int num_events; |
| 96 | u64 max_period; | 88 | u64 max_period; |
| 97 | }; | 89 | }; |
| @@ -136,10 +128,6 @@ EXPORT_SYMBOL_GPL(perf_num_counters); · 38 unmodified lines | |||
| 136 | 128 | ||
| 137 | #define CACHE_OP_UNSUPPORTED 0xFFFF | 129 | #define CACHE_OP_UNSUPPORTED 0xFFFF |
| 138 | 130 | ||
| 139 | static unsigned armpmu_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] | ||
| 140 | [PERF_COUNT_HW_CACHE_OP_MAX] | ||
| 141 | [PERF_COUNT_HW_CACHE_RESULT_MAX]; | ||
| 142 | |||
| 143 | static int | 131 | static int |
| 144 | armpmu_map_cache_event(u64 config) | 132 | armpmu_map_cache_event(u64 config) |
| 145 | { | 133 | { |
| @@ -157,7 +145,7 @@ armpmu_map_cache_event(u64 config) · 11 unmodified lines | |||
| 157 | if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX) | 145 | if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX) |
| 158 | return -EINVAL; | 146 | return -EINVAL; |
| 159 | 147 | ||
| 160 | ret = (int)armpmu_perf_cache_map[cache_type][cache_op][cache_result]; | 148 | ret = (int)(*armpmu->cache_map)[cache_type][cache_op][cache_result]; |
| 161 | 149 | ||
| 162 | if (ret == CACHE_OP_UNSUPPORTED) | 150 | if (ret == CACHE_OP_UNSUPPORTED) |
| 163 | return -ENOENT; | 151 | return -ENOENT; |
| @@ -165,6 +153,19 @@ armpmu_map_cache_event(u64 config) · 1 unmodified line | |||
| 165 | return ret; | 153 | return ret; |
| 166 | } | 154 | } |
| 167 | 155 | ||
| 156 | static int | ||
| 157 | armpmu_map_event(u64 config) | ||
| 158 | { | ||
| 159 | int mapping = (*armpmu->event_map)[config]; | ||
| 160 | return mapping == HW_OP_UNSUPPORTED ? -EOPNOTSUPP : mapping; | ||
| 161 | } | ||
| 162 | |||
| 163 | static int | ||
| 164 | armpmu_map_raw_event(u64 config) | ||
| 165 | { | ||
| 166 | return (int)(config & armpmu->raw_event_mask); | ||
| 167 | } | ||
| 168 | |||
| 168 | static int | 169 | static int |
| 169 | armpmu_event_set_period(struct perf_event *event, | 170 | armpmu_event_set_period(struct perf_event *event, |
| 170 | struct hw_perf_event *hwc, | 171 | struct hw_perf_event *hwc, |
| @@ -458,11 +459,11 @@ __hw_perf_event_init(struct perf_event *event) · 287 unmodified lines | |||
| 458 | 459 | ||
| 459 | /* Decode the generic type into an ARM event identifier. */ | 460 | /* Decode the generic type into an ARM event identifier. */ |
| 460 | if (PERF_TYPE_HARDWARE == event->attr.type) { | 461 | if (PERF_TYPE_HARDWARE == event->attr.type) { |
| 461 | mapping = armpmu->event_map(event->attr.config); | 462 | mapping = armpmu_map_event(event->attr.config); |
| 462 | } else if (PERF_TYPE_HW_CACHE == event->attr.type) { | 463 | } else if (PERF_TYPE_HW_CACHE == event->attr.type) { |
| 463 | mapping = armpmu_map_cache_event(event->attr.config); | 464 | mapping = armpmu_map_cache_event(event->attr.config); |
| 464 | } else if (PERF_TYPE_RAW == event->attr.type) { | 465 | } else if (PERF_TYPE_RAW == event->attr.type) { |
| 465 | mapping = armpmu->raw_event(event->attr.config); | 466 | mapping = armpmu_map_raw_event(event->attr.config); |
| 466 | } else { | 467 | } else { |
| 467 | pr_debug("event type %x not supported\n", event->attr.type); | 468 | pr_debug("event type %x not supported\n", event->attr.type); |
| 468 | return -EOPNOTSUPP; | 469 | return -EOPNOTSUPP; |
| @@ -603,2366 +604,10 @@ static struct pmu pmu = { · 134 unmodified lines | |||
| 603 | .read = armpmu_read, | 604 | .read = armpmu_read, |
| 604 | }; | 605 | }; |
| 605 | 606 | ||
| 606 | /* | ||
| 607 | * ARMv6 Performance counter handling code. | ||
| 608 | * | ||
| 609 | * ARMv6 has 2 configurable performance counters and a single cycle counter. | ||
| 610 | * They all share a single reset bit but can be written to zero so we can use | ||
| 611 | * that for a reset. | ||
| 612 | * | ||
| 613 | * The counters can't be individually enabled or disabled so when we remove | ||
| 614 | * one event and replace it with another we could get spurious counts from the | ||
| 615 | * wrong event. However, we can take advantage of the fact that the | ||
| 616 | * performance counters can export events to the event bus, and the event bus | ||
| 617 | * itself can be monitored. This requires that we *don't* export the events to | ||
| 618 | * the event bus. The procedure for disabling a configurable counter is: | ||
| 619 | * - change the counter to count the ETMEXTOUT[0] signal (0x20). This | ||
| 620 | * effectively stops the counter from counting. | ||
| 621 | * - disable the counter's interrupt generation (each counter has it's | ||
| 622 | * own interrupt enable bit). | ||
| 623 | * Once stopped, the counter value can be written as 0 to reset. | ||
| 624 | * | ||
| 625 | * To enable a counter: | ||
| 626 | * - enable the counter's interrupt generation. | ||
| 627 | * - set the new event type. | ||
| 628 | * | ||
| 629 | * Note: the dedicated cycle counter only counts cycles and can't be | ||
| 630 | * enabled/disabled independently of the others. When we want to disable the | ||
| 631 | * cycle counter, we have to just disable the interrupt reporting and start | ||
| 632 | * ignoring that counter. When re-enabling, we have to reset the value and | ||
| 633 | * enable the interrupt. | ||
| 634 | */ | ||
| 635 | |||
| 636 | enum armv6_perf_types { | ||
| 637 | ARMV6_PERFCTR_ICACHE_MISS = 0x0, | ||
| 638 | ARMV6_PERFCTR_IBUF_STALL = 0x1, | ||
| 639 | ARMV6_PERFCTR_DDEP_STALL = 0x2, | ||
| 640 | ARMV6_PERFCTR_ITLB_MISS = 0x3, | ||
| 641 | ARMV6_PERFCTR_DTLB_MISS = 0x4, | ||
| 642 | ARMV6_PERFCTR_BR_EXEC = 0x5, | ||
| 643 | ARMV6_PERFCTR_BR_MISPREDICT = 0x6, | ||
| 644 | ARMV6_PERFCTR_INSTR_EXEC = 0x7, | ||
| 645 | ARMV6_PERFCTR_DCACHE_HIT = 0x9, | ||
| 646 | ARMV6_PERFCTR_DCACHE_ACCESS = 0xA, | ||
| 647 | ARMV6_PERFCTR_DCACHE_MISS = 0xB, | ||
| 648 | ARMV6_PERFCTR_DCACHE_WBACK = 0xC, | ||
| 649 | ARMV6_PERFCTR_SW_PC_CHANGE = 0xD, | ||
| 650 | ARMV6_PERFCTR_MAIN_TLB_MISS = 0xF, | ||
| 651 | ARMV6_PERFCTR_EXPL_D_ACCESS = 0x10, | ||
| 652 | ARMV6_PERFCTR_LSU_FULL_STALL = 0x11, | ||
| 653 | ARMV6_PERFCTR_WBUF_DRAINED = 0x12, | ||
| 654 | ARMV6_PERFCTR_CPU_CYCLES = 0xFF, | ||
| 655 | ARMV6_PERFCTR_NOP = 0x20, | ||
| 656 | }; | ||
| 657 | |||
| 658 | enum armv6_counters { | ||
| 659 | ARMV6_CYCLE_COUNTER = 1, | ||
| 660 | ARMV6_COUNTER0, | ||
| 661 | ARMV6_COUNTER1, | ||
| 662 | }; | ||
| 663 | |||
| 664 | /* | ||
| 665 | * The hardware events that we support. We do support cache operations but | ||
| 666 | * we have harvard caches and no way to combine instruction and data | ||
| 667 | * accesses/misses in hardware. | ||
| 668 | */ | ||
| 669 | static const unsigned armv6_perf_map[PERF_COUNT_HW_MAX] = { | ||
| 670 | [PERF_COUNT_HW_CPU_CYCLES] = ARMV6_PERFCTR_CPU_CYCLES, | ||
| 671 | [PERF_COUNT_HW_INSTRUCTIONS] = ARMV6_PERFCTR_INSTR_EXEC, | ||
| 672 | [PERF_COUNT_HW_CACHE_REFERENCES] = HW_OP_UNSUPPORTED, | ||
| 673 | [PERF_COUNT_HW_CACHE_MISSES] = HW_OP_UNSUPPORTED, | ||
| 674 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV6_PERFCTR_BR_EXEC, | ||
| 675 | [PERF_COUNT_HW_BRANCH_MISSES] = ARMV6_PERFCTR_BR_MISPREDICT, | ||
| 676 | [PERF_COUNT_HW_BUS_CYCLES] = HW_OP_UNSUPPORTED, | ||
| 677 | }; | ||
| 678 | |||
| 679 | static const unsigned armv6_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] | ||
| 680 | [PERF_COUNT_HW_CACHE_OP_MAX] | ||
| 681 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = { | ||
| 682 | [C(L1D)] = { | ||
| 683 | /* | ||
| 684 | * The performance counters don't differentiate between read | ||
| 685 | * and write accesses/misses so this isn't strictly correct, | ||
| 686 | * but it's the best we can do. Writes and reads get | ||
| 687 | * combined. | ||
| 688 | */ | ||
| 689 | [C(OP_READ)] = { | ||
| 690 | [C(RESULT_ACCESS)] = ARMV6_PERFCTR_DCACHE_ACCESS, | ||
| 691 | [C(RESULT_MISS)] = ARMV6_PERFCTR_DCACHE_MISS, | ||
| 692 | }, | ||
| 693 | [C(OP_WRITE)] = { | ||
| 694 | [C(RESULT_ACCESS)] = ARMV6_PERFCTR_DCACHE_ACCESS, | ||
| 695 | [C(RESULT_MISS)] = ARMV6_PERFCTR_DCACHE_MISS, | ||
| 696 | }, | ||
| 697 | [C(OP_PREFETCH)] = { | ||
| 698 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 699 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 700 | }, | ||
| 701 | }, | ||
| 702 | [C(L1I)] = { | ||
| 703 | [C(OP_READ)] = { | ||
| 704 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 705 | [C(RESULT_MISS)] = ARMV6_PERFCTR_ICACHE_MISS, | ||
| 706 | }, | ||
| 707 | [C(OP_WRITE)] = { | ||
| 708 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 709 | [C(RESULT_MISS)] = ARMV6_PERFCTR_ICACHE_MISS, | ||
| 710 | }, | ||
| 711 | [C(OP_PREFETCH)] = { | ||
| 712 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 713 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 714 | }, | ||
| 715 | }, | ||
| 716 | [C(LL)] = { | ||
| 717 | [C(OP_READ)] = { | ||
| 718 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 719 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 720 | }, | ||
| 721 | [C(OP_WRITE)] = { | ||
| 722 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 723 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 724 | }, | ||
| 725 | [C(OP_PREFETCH)] = { | ||
| 726 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 727 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 728 | }, | ||
| 729 | }, | ||
| 730 | [C(DTLB)] = { | ||
| 731 | /* | ||
| 732 | * The ARM performance counters can count micro DTLB misses, | ||
| 733 | * micro ITLB misses and main TLB misses. There isn't an event | ||
| 734 | * for TLB misses, so use the micro misses here and if users | ||
| 735 | * want the main TLB misses they can use a raw counter. | ||
| 736 | */ | ||
| 737 | [C(OP_READ)] = { | ||
| 738 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 739 | [C(RESULT_MISS)] = ARMV6_PERFCTR_DTLB_MISS, | ||
| 740 | }, | ||
| 741 | [C(OP_WRITE)] = { | ||
| 742 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 743 | [C(RESULT_MISS)] = ARMV6_PERFCTR_DTLB_MISS, | ||
| 744 | }, | ||
| 745 | [C(OP_PREFETCH)] = { | ||
| 746 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 747 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 748 | }, | ||
| 749 | }, | ||
| 750 | [C(ITLB)] = { | ||
| 751 | [C(OP_READ)] = { | ||
| 752 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 753 | [C(RESULT_MISS)] = ARMV6_PERFCTR_ITLB_MISS, | ||
| 754 | }, | ||
| 755 | [C(OP_WRITE)] = { | ||
| 756 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 757 | [C(RESULT_MISS)] = ARMV6_PERFCTR_ITLB_MISS, | ||
| 758 | }, | ||
| 759 | [C(OP_PREFETCH)] = { | ||
| 760 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 761 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 762 | }, | ||
| 763 | }, | ||
| 764 | [C(BPU)] = { | ||
| 765 | [C(OP_READ)] = { | ||
| 766 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 767 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 768 | }, | ||
| 769 | [C(OP_WRITE)] = { | ||
| 770 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 771 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 772 | }, | ||
| 773 | [C(OP_PREFETCH)] = { | ||
| 774 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 775 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 776 | }, | ||
| 777 | }, | ||
| 778 | }; | ||
| 779 | |||
| 780 | enum armv6mpcore_perf_types { | ||
| 781 | ARMV6MPCORE_PERFCTR_ICACHE_MISS = 0x0, | ||
| 782 | ARMV6MPCORE_PERFCTR_IBUF_STALL = 0x1, | ||
| 783 | ARMV6MPCORE_PERFCTR_DDEP_STALL = 0x2, | ||
| 784 | ARMV6MPCORE_PERFCTR_ITLB_MISS = 0x3, | ||
| 785 | ARMV6MPCORE_PERFCTR_DTLB_MISS = 0x4, | ||
| 786 | ARMV6MPCORE_PERFCTR_BR_EXEC = 0x5, | ||
| 787 | ARMV6MPCORE_PERFCTR_BR_NOTPREDICT = 0x6, | ||
| 788 | ARMV6MPCORE_PERFCTR_BR_MISPREDICT = 0x7, | ||
| 789 | ARMV6MPCORE_PERFCTR_INSTR_EXEC = 0x8, | ||
| 790 | ARMV6MPCORE_PERFCTR_DCACHE_RDACCESS = 0xA, | ||
| 791 | ARMV6MPCORE_PERFCTR_DCACHE_RDMISS = 0xB, | ||
| 792 | ARMV6MPCORE_PERFCTR_DCACHE_WRACCESS = 0xC, | ||
| 793 | ARMV6MPCORE_PERFCTR_DCACHE_WRMISS = 0xD, | ||
| 794 | ARMV6MPCORE_PERFCTR_DCACHE_EVICTION = 0xE, | ||
| 795 | ARMV6MPCORE_PERFCTR_SW_PC_CHANGE = 0xF, | ||
| 796 | ARMV6MPCORE_PERFCTR_MAIN_TLB_MISS = 0x10, | ||
| 797 | ARMV6MPCORE_PERFCTR_EXPL_MEM_ACCESS = 0x11, | ||
| 798 | ARMV6MPCORE_PERFCTR_LSU_FULL_STALL = 0x12, | ||
| 799 | ARMV6MPCORE_PERFCTR_WBUF_DRAINED = 0x13, | ||
| 800 | ARMV6MPCORE_PERFCTR_CPU_CYCLES = 0xFF, | ||
| 801 | }; | ||
| 802 | |||
| 803 | /* | ||
| 804 | * The hardware events that we support. We do support cache operations but | ||
| 805 | * we have harvard caches and no way to combine instruction and data | ||
| 806 | * accesses/misses in hardware. | ||
| 807 | */ | ||
| 808 | static const unsigned armv6mpcore_perf_map[PERF_COUNT_HW_MAX] = { | ||
| 809 | [PERF_COUNT_HW_CPU_CYCLES] = ARMV6MPCORE_PERFCTR_CPU_CYCLES, | ||
| 810 | [PERF_COUNT_HW_INSTRUCTIONS] = ARMV6MPCORE_PERFCTR_INSTR_EXEC, | ||
| 811 | [PERF_COUNT_HW_CACHE_REFERENCES] = HW_OP_UNSUPPORTED, | ||
| 812 | [PERF_COUNT_HW_CACHE_MISSES] = HW_OP_UNSUPPORTED, | ||
| 813 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV6MPCORE_PERFCTR_BR_EXEC, | ||
| 814 | [PERF_COUNT_HW_BRANCH_MISSES] = ARMV6MPCORE_PERFCTR_BR_MISPREDICT, | ||
| 815 | [PERF_COUNT_HW_BUS_CYCLES] = HW_OP_UNSUPPORTED, | ||
| 816 | }; | ||
| 817 | |||
| 818 | static const unsigned armv6mpcore_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] | ||
| 819 | [PERF_COUNT_HW_CACHE_OP_MAX] | ||
| 820 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = { | ||
| 821 | [C(L1D)] = { | ||
| 822 | [C(OP_READ)] = { | ||
| 823 | [C(RESULT_ACCESS)] = | ||
| 824 | ARMV6MPCORE_PERFCTR_DCACHE_RDACCESS, | ||
| 825 | [C(RESULT_MISS)] = | ||
| 826 | ARMV6MPCORE_PERFCTR_DCACHE_RDMISS, | ||
| 827 | }, | ||
| 828 | [C(OP_WRITE)] = { | ||
| 829 | [C(RESULT_ACCESS)] = | ||
| 830 | ARMV6MPCORE_PERFCTR_DCACHE_WRACCESS, | ||
| 831 | [C(RESULT_MISS)] = | ||
| 832 | ARMV6MPCORE_PERFCTR_DCACHE_WRMISS, | ||
| 833 | }, | ||
| 834 | [C(OP_PREFETCH)] = { | ||
| 835 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 836 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 837 | }, | ||
| 838 | }, | ||
| 839 | [C(L1I)] = { | ||
| 840 | [C(OP_READ)] = { | ||
| 841 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 842 | [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_ICACHE_MISS, | ||
| 843 | }, | ||
| 844 | [C(OP_WRITE)] = { | ||
| 845 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 846 | [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_ICACHE_MISS, | ||
| 847 | }, | ||
| 848 | [C(OP_PREFETCH)] = { | ||
| 849 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 850 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 851 | }, | ||
| 852 | }, | ||
| 853 | [C(LL)] = { | ||
| 854 | [C(OP_READ)] = { | ||
| 855 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 856 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
| 857 | }, | ||
| 858 | [C(OP_WRITE)] = { | ||
| 859 | [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, | ||
| 860 | [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, | ||
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