/* * PS3 System Manager. * * Copyright (C) 2007 Sony Computer Entertainment Inc. * Copyright 2007 Sony Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h>#include <linux/module.h>#include <linux/workqueue.h>#include <linux/reboot.h> #include <asm/firmware.h>#include <asm/ps3.h> #include "vuart.h" MODULE_AUTHOR("Sony Corporation");MODULE_LICENSE("GPL v2");MODULE_DESCRIPTION("PS3 System Manager"); /** * ps3_sys_manager - PS3 system manager driver. * * The system manager provides an asyncronous system event notification * mechanism for reporting events like thermal alert and button presses to * guests. It also provides support to control system shutdown and startup. * * The actual system manager is implemented as an application running in the * system policy module in lpar_1. Guests communicate with the system manager * through port 2 of the vuart using a simple packet message protocol. * Messages are comprised of a fixed field header followed by a message * specific payload. */ /** * struct ps3_sys_manager_header - System manager message header. * @version: Header version, currently 1. * @size: Header size in bytes, curently 16. * @payload_size: Message payload size in bytes. * @service_id: Message type, one of enum ps3_sys_manager_service_id. */ struct ps3_sys_manager_header { /* version 1 */ u8 version; u8 size; u16 reserved_1; u32 payload_size; u16 service_id; u16 reserved_2[3];}; /** * @PS3_SM_RX_MSG_LEN - System manager received message length. * * Currently all messages received from the system manager are the same length * (16 bytes header + 16 bytes payload = 32 bytes). This knowlege is used to * simplify the logic. */ enum { PS3_SM_RX_MSG_LEN = 32,}; /** * enum ps3_sys_manager_service_id - Message header service_id. * @PS3_SM_SERVICE_ID_REQUEST: guest --> sys_manager. * @PS3_SM_SERVICE_ID_COMMAND: guest <-- sys_manager. * @PS3_SM_SERVICE_ID_RESPONSE: guest --> sys_manager. * @PS3_SM_SERVICE_ID_SET_ATTR: guest --> sys_manager. * @PS3_SM_SERVICE_ID_EXTERN_EVENT: guest <-- sys_manager. * @PS3_SM_SERVICE_ID_SET_NEXT_OP: guest --> sys_manager. */ enum ps3_sys_manager_service_id { /* version 1 */ PS3_SM_SERVICE_ID_REQUEST = 1, PS3_SM_SERVICE_ID_RESPONSE = 2, PS3_SM_SERVICE_ID_COMMAND = 3, PS3_SM_SERVICE_ID_EXTERN_EVENT = 4, PS3_SM_SERVICE_ID_SET_NEXT_OP = 5, PS3_SM_SERVICE_ID_SET_ATTR = 8,}; /** * enum ps3_sys_manager_attr - Notification attribute (bit position mask). * @PS3_SM_ATTR_POWER: Power button. * @PS3_SM_ATTR_RESET: Reset button, not available on retail console. * @PS3_SM_ATTR_THERMAL: Sytem thermal alert. * @PS3_SM_ATTR_CONTROLLER: Remote controller event. * @PS3_SM_ATTR_ALL: Logical OR of all. * * The guest tells the system manager which events it is interested in receiving * notice of by sending the system manager a logical OR of notification * attributes via the ps3_sys_manager_send_attr() routine. */ enum ps3_sys_manager_attr { /* version 1 */ PS3_SM_ATTR_POWER = 1, PS3_SM_ATTR_RESET = 2, PS3_SM_ATTR_THERMAL = 4, PS3_SM_ATTR_CONTROLLER = 8, /* bogus? */ PS3_SM_ATTR_ALL = 0x0f,}; /** * enum ps3_sys_manager_event - External event type, reported by system manager. * @PS3_SM_EVENT_POWER_PRESSED: payload.value not used. * @PS3_SM_EVENT_POWER_RELEASED: payload.value = time pressed in millisec. * @PS3_SM_EVENT_RESET_PRESSED: payload.value not used. * @PS3_SM_EVENT_RESET_RELEASED: payload.value = time pressed in millisec. * @PS3_SM_EVENT_THERMAL_ALERT: payload.value = thermal zone id. * @PS3_SM_EVENT_THERMAL_CLEARED: payload.value = thermal zone id. */ enum ps3_sys_manager_event { /* version 1 */ PS3_SM_EVENT_POWER_PRESSED = 3, PS3_SM_EVENT_POWER_RELEASED = 4, PS3_SM_EVENT_RESET_PRESSED = 5, PS3_SM_EVENT_RESET_RELEASED = 6, PS3_SM_EVENT_THERMAL_ALERT = 7, PS3_SM_EVENT_THERMAL_CLEARED = 8, /* no info on controller events */}; /** * enum ps3_sys_manager_next_op - Operation to perform after lpar is destroyed. */ enum ps3_sys_manager_next_op { /* version 3 */ PS3_SM_NEXT_OP_SYS_SHUTDOWN = 1, PS3_SM_NEXT_OP_SYS_REBOOT = 2, PS3_SM_NEXT_OP_LPAR_REBOOT = 0x82,}; /** * enum ps3_sys_manager_wake_source - Next-op wakeup source (bit position mask). * @PS3_SM_WAKE_DEFAULT: Disk insert, power button, eject button, IR * controller, and bluetooth controller. * @PS3_SM_WAKE_RTC: * @PS3_SM_WAKE_RTC_ERROR: * @PS3_SM_WAKE_P_O_R: Power on reset. * * Additional wakeup sources when specifying PS3_SM_NEXT_OP_SYS_SHUTDOWN. * System will always wake from the PS3_SM_WAKE_DEFAULT sources. */ enum ps3_sys_manager_wake_source { /* version 3 */ PS3_SM_WAKE_DEFAULT = 0, PS3_SM_WAKE_RTC = 0x00000040, PS3_SM_WAKE_RTC_ERROR = 0x00000080, PS3_SM_WAKE_P_O_R = 0x10000000,}; /** * enum ps3_sys_manager_cmd - Command from system manager to guest. * * The guest completes the actions needed, then acks or naks the command via * ps3_sys_manager_send_response(). In the case of @PS3_SM_CMD_SHUTDOWN, * the guest must be fully prepared for a system poweroff prior to acking the * command. */ enum ps3_sys_manager_cmd { /* version 1 */ PS3_SM_CMD_SHUTDOWN = 1, /* shutdown guest OS */}; /** * ps3_sys_manager_write - Helper to write a two part message to the vuart. * */ static int ps3_sys_manager_write(struct ps3_vuart_port_device *dev, const struct ps3_sys_manager_header *header, const void *payload){ int result; BUG_ON(header->version != 1); BUG_ON(header->size != 16); BUG_ON(header->payload_size != 8 && header->payload_size != 16); BUG_ON(header->service_id > 8); result = ps3_vuart_write(dev, header, sizeof(struct ps3_sys_manager_header)); if (!result) result = ps3_vuart_write(dev, payload, header->payload_size); return result;} /** * ps3_sys_manager_send_attr - Send a 'set attribute' to the system manager. * */ static int ps3_sys_manager_send_attr(struct ps3_vuart_port_device *dev, enum ps3_sys_manager_attr attr){ static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_SET_ATTR, }; struct { u8 version; u8 reserved_1[3]; u32 attribute; } payload; BUILD_BUG_ON(sizeof(payload) != 8); dev_dbg(&dev->core, "%s:%d: %xh\n", __func__, __LINE__, attr); memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.attribute = attr; return ps3_sys_manager_write(dev, &header, &payload);} /** * ps3_sys_manager_send_next_op - Send a 'set next op' to the system manager. * * Tell the system manager what to do after this lpar is destroyed. */ static int ps3_sys_manager_send_next_op(struct ps3_vuart_port_device *dev, enum ps3_sys_manager_next_op op, enum ps3_sys_manager_wake_source wake_source){ static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_SET_NEXT_OP, }; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1; u32 wake_source; u8 reserved_2[8]; } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d: (%xh)\n", __func__, __LINE__, op); memset(&payload, 0, sizeof(payload)); payload.version = 3; payload.type = op; payload.gos_id = 3; /* other os */ payload.wake_source = wake_source; return ps3_sys_manager_write(dev, &header, &payload);} /** * ps3_sys_manager_send_request_shutdown - Send 'request' to the system manager. * * The guest sends this message to request an operation or action of the system * manager. The reply is a command message from the system manager. In the * command handler the guest performs the requested operation. The result of * the command is then communicated back to the system manager with a response * message. * * Currently, the only supported request it the 'shutdown self' request. */ static int ps3_sys_manager_send_request_shutdown(struct ps3_vuart_port_device *dev){ static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_REQUEST, }; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1[13]; } static const payload = { .version = 1, .type = 1, /* shutdown */ .gos_id = 0, /* self */ }; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); return ps3_sys_manager_write(dev, &header, &payload);} /** * ps3_sys_manager_send_response - Send a 'response' to the system manager. * @status: zero = success, others fail. * * The guest sends this message to the system manager to acnowledge success or * failure of a command sent by the system manager. */ static int ps3_sys_manager_send_response(struct ps3_vuart_port_device *dev, u64 status){ static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_RESPONSE, }; struct { u8 version; u8 reserved_1[3]; u8 status; u8 reserved_2[11]; } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d: (%s)\n", __func__, __LINE__, (status ? "nak" : "ack")); memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.status = status; return ps3_sys_manager_write(dev, &header, &payload);} /** * ps3_sys_manager_handle_event - Second stage event msg handler. * */ static int ps3_sys_manager_handle_event(struct ps3_vuart_port_device *dev){ int result; struct { u8 version; u8 type; u8 reserved_1[2]; u32 value; u8 reserved_2[8]; } event; BUILD_BUG_ON(sizeof(event) != 16); result = ps3_vuart_read(dev, &event, sizeof(event)); BUG_ON(result); if (event.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported event version (%u)\n", __func__, __LINE__, event.version); return -EIO; } switch (event.type) { case PS3_SM_EVENT_POWER_PRESSED: dev_dbg(&dev->core, "%s:%d: POWER_PRESSED\n", __func__, __LINE__); break; case PS3_SM_EVENT_POWER_RELEASED: dev_dbg(&dev->core, "%s:%d: POWER_RELEASED (%u ms)\n", __func__, __LINE__, event.value); kill_cad_pid(SIGINT, 1); break; case PS3_SM_EVENT_THERMAL_ALERT: dev_dbg(&dev->core, "%s:%d: THERMAL_ALERT (zone %u)\n", __func__, __LINE__, event.value); printk(KERN_INFO "PS3 Thermal Alert Zone %u\n", event.value); break; case PS3_SM_EVENT_THERMAL_CLEARED: dev_dbg(&dev->core, "%s:%d: THERMAL_CLEARED (zone %u)\n", __func__, __LINE__, event.value); break; default: dev_dbg(&dev->core, "%s:%d: unknown event (%u)\n", __func__, __LINE__, event.type); return -EIO; } return 0;}/** * ps3_sys_manager_handle_cmd - Second stage command msg handler. * * The system manager sends this in reply to a 'request' message from the guest. */ static int ps3_sys_manager_handle_cmd(struct ps3_vuart_port_device *dev){ int result; struct { u8 version; u8 type; u8 reserved_1[14]; } cmd; BUILD_BUG_ON(sizeof(cmd) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); result = ps3_vuart_read(dev, &cmd, sizeof(cmd)); if(result) return result; if (cmd.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported cmd version (%u)\n", __func__, __LINE__, cmd.version); return -EIO; } if (cmd.type != PS3_SM_CMD_SHUTDOWN) { dev_dbg(&dev->core, "%s:%d: unknown cmd (%u)\n", __func__, __LINE__, cmd.type); return -EIO; } ps3_sys_manager_send_response(dev, 0); return 0;} /** * ps3_sys_manager_handle_msg - First stage msg handler. * */ static int ps3_sys_manager_handle_msg(struct ps3_vuart_port_device *dev){ int result; struct ps3_sys_manager_header header; result = ps3_vuart_read(dev, &header, sizeof(struct ps3_sys_manager_header)); if(result) return result; if (header.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported header version (%u)\n", __func__, __LINE__, header.version); goto fail_header; } BUILD_BUG_ON(sizeof(header) != 16); BUG_ON(header.size != 16); BUG_ON(header.payload_size != 16); switch (header.service_id) { case PS3_SM_SERVICE_ID_EXTERN_EVENT: dev_dbg(&dev->core, "%s:%d: EVENT\n", __func__, __LINE__); return ps3_sys_manager_handle_event(dev); case PS3_SM_SERVICE_ID_COMMAND: dev_dbg(&dev->core, "%s:%d: COMMAND\n", __func__, __LINE__); return ps3_sys_manager_handle_cmd(dev); default: dev_dbg(&dev->core, "%s:%d: unknown service_id (%u)\n", __func__, __LINE__, header.service_id); break; } goto fail_id; fail_header: ps3_vuart_clear_rx_bytes(dev, 0); return -EIO;fail_id: ps3_vuart_clear_rx_bytes(dev, header.payload_size); return -EIO;} /** * ps3_sys_manager_work - Asyncronous read handler. * * Signaled when a complete message arrives at the vuart port. */Lines 1–500 of 610. 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/* * PS3 System Manager. * * Copyright (C) 2007 Sony Computer Entertainment Inc. * Copyright 2007 Sony Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/workqueue.h> #include <linux/reboot.h> #include <asm/firmware.h> #include <asm/ps3.h> #include "vuart.h" MODULE_AUTHOR("Sony Corporation"); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("PS3 System Manager"); /** * ps3_sys_manager - PS3 system manager driver. * * The system manager provides an asyncronous system event notification * mechanism for reporting events like thermal alert and button presses to * guests. It also provides support to control system shutdown and startup. * * The actual system manager is implemented as an application running in the * system policy module in lpar_1. Guests communicate with the system manager * through port 2 of the vuart using a simple packet message protocol. * Messages are comprised of a fixed field header followed by a message * specific payload. */ /** * struct ps3_sys_manager_header - System manager message header. * @version: Header version, currently 1. * @size: Header size in bytes, curently 16. * @payload_size: Message payload size in bytes. * @service_id: Message type, one of enum ps3_sys_manager_service_id. */ struct ps3_sys_manager_header { /* version 1 */ u8 version; u8 size; u16 reserved_1; u32 payload_size; u16 service_id; u16 reserved_2[3]; }; /** * @PS3_SM_RX_MSG_LEN - System manager received message length. * * Currently all messages received from the system manager are the same length * (16 bytes header + 16 bytes payload = 32 bytes). This knowlege is used to * simplify the logic. */ enum { PS3_SM_RX_MSG_LEN = 32, }; /** * enum ps3_sys_manager_service_id - Message header service_id. * @PS3_SM_SERVICE_ID_REQUEST: guest --> sys_manager. * @PS3_SM_SERVICE_ID_COMMAND: guest <-- sys_manager. * @PS3_SM_SERVICE_ID_RESPONSE: guest --> sys_manager. * @PS3_SM_SERVICE_ID_SET_ATTR: guest --> sys_manager. * @PS3_SM_SERVICE_ID_EXTERN_EVENT: guest <-- sys_manager. * @PS3_SM_SERVICE_ID_SET_NEXT_OP: guest --> sys_manager. */ enum ps3_sys_manager_service_id { /* version 1 */ PS3_SM_SERVICE_ID_REQUEST = 1, PS3_SM_SERVICE_ID_RESPONSE = 2, PS3_SM_SERVICE_ID_COMMAND = 3, PS3_SM_SERVICE_ID_EXTERN_EVENT = 4, PS3_SM_SERVICE_ID_SET_NEXT_OP = 5, PS3_SM_SERVICE_ID_SET_ATTR = 8, }; /** * enum ps3_sys_manager_attr - Notification attribute (bit position mask). * @PS3_SM_ATTR_POWER: Power button. * @PS3_SM_ATTR_RESET: Reset button, not available on retail console. * @PS3_SM_ATTR_THERMAL: Sytem thermal alert. * @PS3_SM_ATTR_CONTROLLER: Remote controller event. * @PS3_SM_ATTR_ALL: Logical OR of all. * * The guest tells the system manager which events it is interested in receiving * notice of by sending the system manager a logical OR of notification * attributes via the ps3_sys_manager_send_attr() routine. */ enum ps3_sys_manager_attr { /* version 1 */ PS3_SM_ATTR_POWER = 1, PS3_SM_ATTR_RESET = 2, PS3_SM_ATTR_THERMAL = 4, PS3_SM_ATTR_CONTROLLER = 8, /* bogus? */ PS3_SM_ATTR_ALL = 0x0f, }; /** * enum ps3_sys_manager_event - External event type, reported by system manager. * @PS3_SM_EVENT_POWER_PRESSED: payload.value not used. * @PS3_SM_EVENT_POWER_RELEASED: payload.value = time pressed in millisec. * @PS3_SM_EVENT_RESET_PRESSED: payload.value not used. * @PS3_SM_EVENT_RESET_RELEASED: payload.value = time pressed in millisec. * @PS3_SM_EVENT_THERMAL_ALERT: payload.value = thermal zone id. * @PS3_SM_EVENT_THERMAL_CLEARED: payload.value = thermal zone id. */ enum ps3_sys_manager_event { /* version 1 */ PS3_SM_EVENT_POWER_PRESSED = 3, PS3_SM_EVENT_POWER_RELEASED = 4, PS3_SM_EVENT_RESET_PRESSED = 5, PS3_SM_EVENT_RESET_RELEASED = 6, PS3_SM_EVENT_THERMAL_ALERT = 7, PS3_SM_EVENT_THERMAL_CLEARED = 8, /* no info on controller events */ }; /** * enum ps3_sys_manager_next_op - Operation to perform after lpar is destroyed. */ enum ps3_sys_manager_next_op { /* version 3 */ PS3_SM_NEXT_OP_SYS_SHUTDOWN = 1, PS3_SM_NEXT_OP_SYS_REBOOT = 2, PS3_SM_NEXT_OP_LPAR_REBOOT = 0x82, }; /** * enum ps3_sys_manager_wake_source - Next-op wakeup source (bit position mask). * @PS3_SM_WAKE_DEFAULT: Disk insert, power button, eject button, IR * controller, and bluetooth controller. * @PS3_SM_WAKE_RTC: * @PS3_SM_WAKE_RTC_ERROR: * @PS3_SM_WAKE_P_O_R: Power on reset. * * Additional wakeup sources when specifying PS3_SM_NEXT_OP_SYS_SHUTDOWN. * System will always wake from the PS3_SM_WAKE_DEFAULT sources. */ enum ps3_sys_manager_wake_source { /* version 3 */ PS3_SM_WAKE_DEFAULT = 0, PS3_SM_WAKE_RTC = 0x00000040, PS3_SM_WAKE_RTC_ERROR = 0x00000080, PS3_SM_WAKE_P_O_R = 0x10000000, }; /** * enum ps3_sys_manager_cmd - Command from system manager to guest. * * The guest completes the actions needed, then acks or naks the command via * ps3_sys_manager_send_response(). In the case of @PS3_SM_CMD_SHUTDOWN, * the guest must be fully prepared for a system poweroff prior to acking the * command. */ enum ps3_sys_manager_cmd { /* version 1 */ PS3_SM_CMD_SHUTDOWN = 1, /* shutdown guest OS */ }; /** * ps3_sys_manager_write - Helper to write a two part message to the vuart. * */ static int ps3_sys_manager_write(struct ps3_vuart_port_device *dev, const struct ps3_sys_manager_header *header, const void *payload) { int result; BUG_ON(header->version != 1); BUG_ON(header->size != 16); BUG_ON(header->payload_size != 8 && header->payload_size != 16); BUG_ON(header->service_id > 8); result = ps3_vuart_write(dev, header, sizeof(struct ps3_sys_manager_header)); if (!result) result = ps3_vuart_write(dev, payload, header->payload_size); return result; } /** * ps3_sys_manager_send_attr - Send a 'set attribute' to the system manager. * */ static int ps3_sys_manager_send_attr(struct ps3_vuart_port_device *dev, enum ps3_sys_manager_attr attr) { static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_SET_ATTR, }; struct { u8 version; u8 reserved_1[3]; u32 attribute; } payload; BUILD_BUG_ON(sizeof(payload) != 8); dev_dbg(&dev->core, "%s:%d: %xh\n", __func__, __LINE__, attr); memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.attribute = attr; return ps3_sys_manager_write(dev, &header, &payload); } /** * ps3_sys_manager_send_next_op - Send a 'set next op' to the system manager. * * Tell the system manager what to do after this lpar is destroyed. */ static int ps3_sys_manager_send_next_op(struct ps3_vuart_port_device *dev, enum ps3_sys_manager_next_op op, enum ps3_sys_manager_wake_source wake_source) { static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_SET_NEXT_OP, }; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1; u32 wake_source; u8 reserved_2[8]; } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d: (%xh)\n", __func__, __LINE__, op); memset(&payload, 0, sizeof(payload)); payload.version = 3; payload.type = op; payload.gos_id = 3; /* other os */ payload.wake_source = wake_source; return ps3_sys_manager_write(dev, &header, &payload); } /** * ps3_sys_manager_send_request_shutdown - Send 'request' to the system manager. * * The guest sends this message to request an operation or action of the system * manager. The reply is a command message from the system manager. In the * command handler the guest performs the requested operation. The result of * the command is then communicated back to the system manager with a response * message. * * Currently, the only supported request it the 'shutdown self' request. */ static int ps3_sys_manager_send_request_shutdown(struct ps3_vuart_port_device *dev) { static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_REQUEST, }; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1[13]; } static const payload = { .version = 1, .type = 1, /* shutdown */ .gos_id = 0, /* self */ }; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); return ps3_sys_manager_write(dev, &header, &payload); } /** * ps3_sys_manager_send_response - Send a 'response' to the system manager. * @status: zero = success, others fail. * * The guest sends this message to the system manager to acnowledge success or * failure of a command sent by the system manager. */ static int ps3_sys_manager_send_response(struct ps3_vuart_port_device *dev, u64 status) { static const struct ps3_sys_manager_header header = { .version = 1, .size = 16, .payload_size = 16, .service_id = PS3_SM_SERVICE_ID_RESPONSE, }; struct { u8 version; u8 reserved_1[3]; u8 status; u8 reserved_2[11]; } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d: (%s)\n", __func__, __LINE__, (status ? "nak" : "ack")); memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.status = status; return ps3_sys_manager_write(dev, &header, &payload); } /** * ps3_sys_manager_handle_event - Second stage event msg handler. * */ static int ps3_sys_manager_handle_event(struct ps3_vuart_port_device *dev) { int result; struct { u8 version; u8 type; u8 reserved_1[2]; u32 value; u8 reserved_2[8]; } event; BUILD_BUG_ON(sizeof(event) != 16); result = ps3_vuart_read(dev, &event, sizeof(event)); BUG_ON(result); if (event.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported event version (%u)\n", __func__, __LINE__, event.version); return -EIO; } switch (event.type) { case PS3_SM_EVENT_POWER_PRESSED: dev_dbg(&dev->core, "%s:%d: POWER_PRESSED\n", __func__, __LINE__); break; case PS3_SM_EVENT_POWER_RELEASED: dev_dbg(&dev->core, "%s:%d: POWER_RELEASED (%u ms)\n", __func__, __LINE__, event.value); kill_cad_pid(SIGINT, 1); break; case PS3_SM_EVENT_THERMAL_ALERT: dev_dbg(&dev->core, "%s:%d: THERMAL_ALERT (zone %u)\n", __func__, __LINE__, event.value); printk(KERN_INFO "PS3 Thermal Alert Zone %u\n", event.value); break; case PS3_SM_EVENT_THERMAL_CLEARED: dev_dbg(&dev->core, "%s:%d: THERMAL_CLEARED (zone %u)\n", __func__, __LINE__, event.value); break; default: dev_dbg(&dev->core, "%s:%d: unknown event (%u)\n", __func__, __LINE__, event.type); return -EIO; } return 0; } /** * ps3_sys_manager_handle_cmd - Second stage command msg handler. * * The system manager sends this in reply to a 'request' message from the guest. */ static int ps3_sys_manager_handle_cmd(struct ps3_vuart_port_device *dev) { int result; struct { u8 version; u8 type; u8 reserved_1[14]; } cmd; BUILD_BUG_ON(sizeof(cmd) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); result = ps3_vuart_read(dev, &cmd, sizeof(cmd)); if(result) return result; if (cmd.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported cmd version (%u)\n", __func__, __LINE__, cmd.version); return -EIO; } if (cmd.type != PS3_SM_CMD_SHUTDOWN) { dev_dbg(&dev->core, "%s:%d: unknown cmd (%u)\n", __func__, __LINE__, cmd.type); return -EIO; } ps3_sys_manager_send_response(dev, 0); return 0; } /** * ps3_sys_manager_handle_msg - First stage msg handler. * */ static int ps3_sys_manager_handle_msg(struct ps3_vuart_port_device *dev) { int result; struct ps3_sys_manager_header header; result = ps3_vuart_read(dev, &header, sizeof(struct ps3_sys_manager_header)); if(result) return result; if (header.version != 1) { dev_dbg(&dev->core, "%s:%d: unsupported header version (%u)\n", __func__, __LINE__, header.version); goto fail_header; } BUILD_BUG_ON(sizeof(header) != 16); BUG_ON(header.size != 16); BUG_ON(header.payload_size != 16); switch (header.service_id) { case PS3_SM_SERVICE_ID_EXTERN_EVENT: dev_dbg(&dev->core, "%s:%d: EVENT\n", __func__, __LINE__); return ps3_sys_manager_handle_event(dev); case PS3_SM_SERVICE_ID_COMMAND: dev_dbg(&dev->core, "%s:%d: COMMAND\n", __func__, __LINE__); return ps3_sys_manager_handle_cmd(dev); default: dev_dbg(&dev->core, "%s:%d: unknown service_id (%u)\n", __func__, __LINE__, header.service_id); break; } goto fail_id; fail_header: ps3_vuart_clear_rx_bytes(dev, 0); return -EIO; fail_id: ps3_vuart_clear_rx_bytes(dev, header.payload_size); return -EIO; } /** * ps3_sys_manager_work - Asyncronous read handler. * * Signaled when a complete message arrives at the vuart port. */