// SPDX-License-Identifier: GPL-2.0-only/* * PS3 System Manager. * * Copyright (C) 2007 Sony Computer Entertainment Inc. * Copyright 2007 Sony Corp. */ #include <linux/kernel.h>#include <linux/module.h>#include <linux/workqueue.h>#include <linux/reboot.h>#include <linux/sched/signal.h> #include <asm/firmware.h>#include <asm/lv1call.h>#include <asm/ps3.h> #include "vuart.h" /** * ps3_sys_manager - PS3 system manager driver. * * The system manager provides an asynchronous 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, currently 16. * @payload_size: Message payload size in bytes. * @service_id: Message type, one of enum ps3_sys_manager_service_id. * @request_tag: Unique number to identify reply. */ struct ps3_sys_manager_header { /* version 1 */ u8 version; u8 size; u16 reserved_1; u32 payload_size; u16 service_id; u16 reserved_2; u32 request_tag;}; #define dump_sm_header(_h) _dump_sm_header(_h, __func__, __LINE__)static void __maybe_unused _dump_sm_header( const struct ps3_sys_manager_header *h, const char *func, int line){ pr_debug("%s:%d: version: %xh\n", func, line, h->version); pr_debug("%s:%d: size: %xh\n", func, line, h->size); pr_debug("%s:%d: payload_size: %xh\n", func, line, h->payload_size); pr_debug("%s:%d: service_id: %xh\n", func, line, h->service_id); pr_debug("%s:%d: request_tag: %xh\n", func, line, h->request_tag);} /** * @PS3_SM_RX_MSG_LEN_MIN - Shortest received message length. * @PS3_SM_RX_MSG_LEN_MAX - Longest received message length. * * Currently all messages received from the system manager are either * (16 bytes header + 8 bytes payload = 24 bytes) or (16 bytes header * + 16 bytes payload = 32 bytes). This knowledge is used to simplify * the logic. */ enum { PS3_SM_RX_MSG_LEN_MIN = 24, PS3_SM_RX_MSG_LEN_MAX = 32,}; /** * enum ps3_sys_manager_service_id - Message header service_id. * @PS3_SM_SERVICE_ID_REQUEST: guest --> sys_manager. * @PS3_SM_SERVICE_ID_REQUEST_ERROR: 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. * * PS3_SM_SERVICE_ID_REQUEST_ERROR is returned for invalid data values in a * a PS3_SM_SERVICE_ID_REQUEST message. It also seems to be returned when * a REQUEST message is sent at the wrong time. */ 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_REQUEST_ERROR = 6, 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: System 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 = * enum ps3_sys_manager_button_event. * @PS3_SM_EVENT_POWER_RELEASED: payload.value = time pressed in millisec. * @PS3_SM_EVENT_RESET_PRESSED: payload.value = * enum ps3_sys_manager_button_event. * @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_button_event - Button event payload values. * @PS3_SM_BUTTON_EVENT_HARD: Hardware generated event. * @PS3_SM_BUTTON_EVENT_SOFT: Software generated event. */ enum ps3_sys_manager_button_event { PS3_SM_BUTTON_EVENT_HARD = 0, PS3_SM_BUTTON_EVENT_SOFT = 1,}; /** * 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. * @PS3_SM_WAKE_W_O_L: Ether or wireless LAN. * @PS3_SM_WAKE_P_O_R: Power on reset. * * Additional wakeup sources when specifying PS3_SM_NEXT_OP_SYS_SHUTDOWN. * The system will always wake from the PS3_SM_WAKE_DEFAULT sources. * Sources listed here are the only ones available to guests in the * other-os lpar. */ enum ps3_sys_manager_wake_source { /* version 3 */ PS3_SM_WAKE_DEFAULT = 0, PS3_SM_WAKE_W_O_L = 0x00000400, PS3_SM_WAKE_P_O_R = 0x80000000,}; /** * user_wake_sources - User specified wakeup sources. * * Logical OR of enum ps3_sys_manager_wake_source types. */ static u32 user_wake_sources = PS3_SM_WAKE_DEFAULT; /** * 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_sm_force_power_off - Poweroff helper. * * A global variable used to force a poweroff when the power button has * been pressed irrespective of how init handles the ctrl_alt_del signal. * */ static unsigned int ps3_sm_force_power_off; /** * ps3_sys_manager_write - Helper to write a two part message to the vuart. * */ static int ps3_sys_manager_write(struct ps3_system_bus_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_system_bus_device *dev, enum ps3_sys_manager_attr attr){ struct ps3_sys_manager_header header; 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(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_SET_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_system_bus_device *dev, enum ps3_sys_manager_next_op op, enum ps3_sys_manager_wake_source wake_source){ struct ps3_sys_manager_header header; 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(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_SET_NEXT_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 is the 'shutdown self' request. */ static int ps3_sys_manager_send_request_shutdown( struct ps3_system_bus_device *dev){ struct ps3_sys_manager_header header; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1[13]; } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); memset(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_REQUEST; memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.type = 1; /* shutdown */ payload.gos_id = 0; /* self */ 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 acknowledge success or * failure of a command sent by the system manager. */ static int ps3_sys_manager_send_response(struct ps3_system_bus_device *dev, u64 status){ struct ps3_sys_manager_header header; 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(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_RESPONSE; 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_system_bus_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 && "need to retry here"); 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 (%s)\n", __func__, __LINE__, (event.value == PS3_SM_BUTTON_EVENT_SOFT ? "soft" : "hard")); ps3_sm_force_power_off = 1; /* * A memory barrier is use here to sync memory since * ps3_sys_manager_final_restart() could be called on * another cpu. */ wmb(); kill_cad_pid(SIGINT, 1); /* ctrl_alt_del */ break; case PS3_SM_EVENT_POWER_RELEASED: dev_dbg(&dev->core, "%s:%d: POWER_RELEASED (%u ms)\n", __func__, __LINE__, event.value); break; case PS3_SM_EVENT_RESET_PRESSED: dev_dbg(&dev->core, "%s:%d: RESET_PRESSED (%s)\n", __func__, __LINE__, (event.value == PS3_SM_BUTTON_EVENT_SOFT ? "soft" : "hard")); ps3_sm_force_power_off = 0; /* * A memory barrier is use here to sync memory since * ps3_sys_manager_final_restart() could be called on * another cpu. */ wmb(); kill_cad_pid(SIGINT, 1); /* ctrl_alt_del */ break; case PS3_SM_EVENT_RESET_RELEASED: dev_dbg(&dev->core, "%s:%d: RESET_RELEASED (%u ms)\n", __func__, __LINE__, event.value); break; case PS3_SM_EVENT_THERMAL_ALERT: dev_dbg(&dev->core, "%s:%d: THERMAL_ALERT (zone %u)\n", __func__, __LINE__, event.value); pr_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_system_bus_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)); BUG_ON(result && "need to retry here"); Lines 1–500 of 756. 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// SPDX-License-Identifier: GPL-2.0-only /* * PS3 System Manager. * * Copyright (C) 2007 Sony Computer Entertainment Inc. * Copyright 2007 Sony Corp. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/workqueue.h> #include <linux/reboot.h> #include <linux/sched/signal.h> #include <asm/firmware.h> #include <asm/lv1call.h> #include <asm/ps3.h> #include "vuart.h" /** * ps3_sys_manager - PS3 system manager driver. * * The system manager provides an asynchronous 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, currently 16. * @payload_size: Message payload size in bytes. * @service_id: Message type, one of enum ps3_sys_manager_service_id. * @request_tag: Unique number to identify reply. */ struct ps3_sys_manager_header { /* version 1 */ u8 version; u8 size; u16 reserved_1; u32 payload_size; u16 service_id; u16 reserved_2; u32 request_tag; }; #define dump_sm_header(_h) _dump_sm_header(_h, __func__, __LINE__) static void __maybe_unused _dump_sm_header( const struct ps3_sys_manager_header *h, const char *func, int line) { pr_debug("%s:%d: version: %xh\n", func, line, h->version); pr_debug("%s:%d: size: %xh\n", func, line, h->size); pr_debug("%s:%d: payload_size: %xh\n", func, line, h->payload_size); pr_debug("%s:%d: service_id: %xh\n", func, line, h->service_id); pr_debug("%s:%d: request_tag: %xh\n", func, line, h->request_tag); } /** * @PS3_SM_RX_MSG_LEN_MIN - Shortest received message length. * @PS3_SM_RX_MSG_LEN_MAX - Longest received message length. * * Currently all messages received from the system manager are either * (16 bytes header + 8 bytes payload = 24 bytes) or (16 bytes header * + 16 bytes payload = 32 bytes). This knowledge is used to simplify * the logic. */ enum { PS3_SM_RX_MSG_LEN_MIN = 24, PS3_SM_RX_MSG_LEN_MAX = 32, }; /** * enum ps3_sys_manager_service_id - Message header service_id. * @PS3_SM_SERVICE_ID_REQUEST: guest --> sys_manager. * @PS3_SM_SERVICE_ID_REQUEST_ERROR: 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. * * PS3_SM_SERVICE_ID_REQUEST_ERROR is returned for invalid data values in a * a PS3_SM_SERVICE_ID_REQUEST message. It also seems to be returned when * a REQUEST message is sent at the wrong time. */ 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_REQUEST_ERROR = 6, 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: System 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 = * enum ps3_sys_manager_button_event. * @PS3_SM_EVENT_POWER_RELEASED: payload.value = time pressed in millisec. * @PS3_SM_EVENT_RESET_PRESSED: payload.value = * enum ps3_sys_manager_button_event. * @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_button_event - Button event payload values. * @PS3_SM_BUTTON_EVENT_HARD: Hardware generated event. * @PS3_SM_BUTTON_EVENT_SOFT: Software generated event. */ enum ps3_sys_manager_button_event { PS3_SM_BUTTON_EVENT_HARD = 0, PS3_SM_BUTTON_EVENT_SOFT = 1, }; /** * 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. * @PS3_SM_WAKE_W_O_L: Ether or wireless LAN. * @PS3_SM_WAKE_P_O_R: Power on reset. * * Additional wakeup sources when specifying PS3_SM_NEXT_OP_SYS_SHUTDOWN. * The system will always wake from the PS3_SM_WAKE_DEFAULT sources. * Sources listed here are the only ones available to guests in the * other-os lpar. */ enum ps3_sys_manager_wake_source { /* version 3 */ PS3_SM_WAKE_DEFAULT = 0, PS3_SM_WAKE_W_O_L = 0x00000400, PS3_SM_WAKE_P_O_R = 0x80000000, }; /** * user_wake_sources - User specified wakeup sources. * * Logical OR of enum ps3_sys_manager_wake_source types. */ static u32 user_wake_sources = PS3_SM_WAKE_DEFAULT; /** * 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_sm_force_power_off - Poweroff helper. * * A global variable used to force a poweroff when the power button has * been pressed irrespective of how init handles the ctrl_alt_del signal. * */ static unsigned int ps3_sm_force_power_off; /** * ps3_sys_manager_write - Helper to write a two part message to the vuart. * */ static int ps3_sys_manager_write(struct ps3_system_bus_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_system_bus_device *dev, enum ps3_sys_manager_attr attr) { struct ps3_sys_manager_header header; 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(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_SET_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_system_bus_device *dev, enum ps3_sys_manager_next_op op, enum ps3_sys_manager_wake_source wake_source) { struct ps3_sys_manager_header header; 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(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_SET_NEXT_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 is the 'shutdown self' request. */ static int ps3_sys_manager_send_request_shutdown( struct ps3_system_bus_device *dev) { struct ps3_sys_manager_header header; struct { u8 version; u8 type; u8 gos_id; u8 reserved_1[13]; } payload; BUILD_BUG_ON(sizeof(payload) != 16); dev_dbg(&dev->core, "%s:%d\n", __func__, __LINE__); memset(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_REQUEST; memset(&payload, 0, sizeof(payload)); payload.version = 1; payload.type = 1; /* shutdown */ payload.gos_id = 0; /* self */ 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 acknowledge success or * failure of a command sent by the system manager. */ static int ps3_sys_manager_send_response(struct ps3_system_bus_device *dev, u64 status) { struct ps3_sys_manager_header header; 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(&header, 0, sizeof(header)); header.version = 1; header.size = 16; header.payload_size = 16; header.service_id = PS3_SM_SERVICE_ID_RESPONSE; 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_system_bus_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 && "need to retry here"); 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 (%s)\n", __func__, __LINE__, (event.value == PS3_SM_BUTTON_EVENT_SOFT ? "soft" : "hard")); ps3_sm_force_power_off = 1; /* * A memory barrier is use here to sync memory since * ps3_sys_manager_final_restart() could be called on * another cpu. */ wmb(); kill_cad_pid(SIGINT, 1); /* ctrl_alt_del */ break; case PS3_SM_EVENT_POWER_RELEASED: dev_dbg(&dev->core, "%s:%d: POWER_RELEASED (%u ms)\n", __func__, __LINE__, event.value); break; case PS3_SM_EVENT_RESET_PRESSED: dev_dbg(&dev->core, "%s:%d: RESET_PRESSED (%s)\n", __func__, __LINE__, (event.value == PS3_SM_BUTTON_EVENT_SOFT ? "soft" : "hard")); ps3_sm_force_power_off = 0; /* * A memory barrier is use here to sync memory since * ps3_sys_manager_final_restart() could be called on * another cpu. */ wmb(); kill_cad_pid(SIGINT, 1); /* ctrl_alt_del */ break; case PS3_SM_EVENT_RESET_RELEASED: dev_dbg(&dev->core, "%s:%d: RESET_RELEASED (%u ms)\n", __func__, __LINE__, event.value); break; case PS3_SM_EVENT_THERMAL_ALERT: dev_dbg(&dev->core, "%s:%d: THERMAL_ALERT (zone %u)\n", __func__, __LINE__, event.value); pr_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_system_bus_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)); BUG_ON(result && "need to retry here");