Linus TorvaldsLinux-2.6.12-rc21da177e21 years agoHistory
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This driver is for Compaq's SMART2 Intelligent Disk Array Controllers. Supported Cards:---------------- This driver is known to work with the following cards: 	* SMART (EISA)	* SMART-2/E (EISA)	* SMART-2/P	* SMART-2DH	* SMART-2SL	* SMART-221	* SMART-3100ES	* SMART-3200	* Integrated Smart Array Controller	* SA 4200	* SA 4250ES	* SA 431	* RAID LC2 Controller It should also work with some really old Disk array adapters, but I amunable to test against these cards: 	* IDA	* IDA-2	* IAES  EISA Controllers:----------------- If you want to use an EISA controller you'll have to supply somemodprobe/lilo parameters.  If the driver is compiled into the kernel, mustgive it the controller's IO port address at boot time (it is notnecessary to specify the IRQ).  For example, if you had two SMART-2/Econtrollers, in EISA slots 1 and 2 you'd give it a boot argument likethis: 	smart2=0x1000,0x2000 If you were loading the driver as a module, you'd give load it like this: 	modprobe cpqarray eisa=0x1000,0x2000 You can use EISA and PCI adapters at the same time.  Device Naming:-------------- You need some entries in /dev for the ida device.  MAKEDEV in the /devdirectory can make device nodes for you automatically.  The device setup isas follows: Major numbers:	72	ida0	73	ida1	74	ida2	75	ida3	76	ida4	77	ida5	78	ida6	79	ida7 Minor numbers:        b7 b6 b5 b4 b3 b2 b1 b0        |----+----| |----+----|             |           |             |           +-------- Partition ID (0=wholedev, 1-15 partition)             |             +-------------------- Logical Volume number The device naming scheme is:/dev/ida/c0d0		Controller 0, disk 0, whole device/dev/ida/c0d0p1		Controller 0, disk 0, partition 1/dev/ida/c0d0p2		Controller 0, disk 0, partition 2/dev/ida/c0d0p3		Controller 0, disk 0, partition 3 /dev/ida/c1d1		Controller 1, disk 1, whole device/dev/ida/c1d1p1		Controller 1, disk 1, partition 1/dev/ida/c1d1p2		Controller 1, disk 1, partition 2/dev/ida/c1d1p3		Controller 1, disk 1, partition 3  Changelog:========== 10-28-2004 :	General cleanup, syntax fixes for in-kernel driver version.		James Nelson <james4765@gmail.com>  1999 :		Original Document