// 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 = 0 x0f,
};
/**
* 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 = 0 x82,
};
/**
* 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 = 0 x00000400,
PS3_SM_WAKE_P_O_R = 0 x80000000,
};
/**
* 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" );
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 .
*
* Can be called directly to manually poll vuart and pump message handler .
*/
static int ps3_sys_manager_handle_msg(struct ps3_system_bus_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);
dump_sm_header(&header);
goto fail_header;
}
BUILD_BUG_ON(sizeof (header) != 16 );
if (header.size != 16 || (header.payload_size != 8
&& header.payload_size != 16 )) {
dump_sm_header(&header);
BUG();
}
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);
case PS3_SM_SERVICE_ID_REQUEST_ERROR:
dev_dbg(&dev->core, "%s:%d: REQUEST_ERROR\n" , __func__,
__LINE__);
dump_sm_header(&header);
break ;
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;
}
static void ps3_sys_manager_fin(struct ps3_system_bus_device *dev)
{
ps3_sys_manager_send_request_shutdown(dev);
pr_emerg("System Halted, OK to turn off power\n" );
while (ps3_sys_manager_handle_msg(dev)) {
/* pause until next DEC interrupt */
lv1_pause(0 );
}
while (1 ) {
/* pause, ignoring DEC interrupt */
lv1_pause(1 );
}
}
/**
* ps3_sys_manager_final_power_off - The final platform machine_power_off routine .
*
* This routine never returns . The routine disables asynchronous vuart reads
* then spins calling ps3_sys_manager_handle_msg ( ) to receive and acknowledge
* the shutdown command sent from the system manager . Soon after the
* acknowledgement is sent the lpar is destroyed by the HV . This routine
* should only be called from ps3_power_off ( ) through
* ps3_sys_manager_ops . power_off .
*/
static void ps3_sys_manager_final_power_off(struct ps3_system_bus_device *dev)
{
BUG_ON(!dev);
dev_dbg(&dev->core, "%s:%d\n" , __func__, __LINE__);
ps3_vuart_cancel_async(dev);
ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_SHUTDOWN,
user_wake_sources);
ps3_sys_manager_fin(dev);
}
/**
* ps3_sys_manager_final_restart - The final platform machine_restart routine .
*
* This routine never returns . The routine disables asynchronous vuart reads
* then spins calling ps3_sys_manager_handle_msg ( ) to receive and acknowledge
* the shutdown command sent from the system manager . Soon after the
* acknowledgement is sent the lpar is destroyed by the HV . This routine
* should only be called from ps3_restart ( ) through ps3_sys_manager_ops . restart .
*/
static void ps3_sys_manager_final_restart(struct ps3_system_bus_device *dev)
{
BUG_ON(!dev);
dev_dbg(&dev->core, "%s:%d\n" , __func__, __LINE__);
/* Check if we got here via a power button event. */
if (ps3_sm_force_power_off) {
dev_dbg(&dev->core, "%s:%d: forcing poweroff\n" ,
__func__, __LINE__);
ps3_sys_manager_final_power_off(dev);
}
ps3_vuart_cancel_async(dev);
ps3_sys_manager_send_attr(dev, 0 );
ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_REBOOT,
user_wake_sources);
ps3_sys_manager_fin(dev);
}
/**
* ps3_sys_manager_get_wol - Get wake - on - lan setting .
*/
int ps3_sys_manager_get_wol(void )
{
pr_debug("%s:%d\n" , __func__, __LINE__);
return (user_wake_sources & PS3_SM_WAKE_W_O_L) != 0 ;
}
EXPORT_SYMBOL_GPL(ps3_sys_manager_get_wol);
/**
* ps3_sys_manager_set_wol - Set wake - on - lan setting .
*/
void ps3_sys_manager_set_wol(int state)
{
static DEFINE_MUTEX(mutex);
mutex_lock(&mutex);
pr_debug("%s:%d: %d\n" , __func__, __LINE__, state);
if (state)
user_wake_sources |= PS3_SM_WAKE_W_O_L;
else
user_wake_sources &= ~PS3_SM_WAKE_W_O_L;
mutex_unlock(&mutex);
}
EXPORT_SYMBOL_GPL(ps3_sys_manager_set_wol);
/**
* ps3_sys_manager_work - Asynchronous read handler .
*
* Signaled when PS3_SM_RX_MSG_LEN_MIN bytes arrive at the vuart port .
*/
static void ps3_sys_manager_work(struct ps3_system_bus_device *dev)
{
ps3_sys_manager_handle_msg(dev);
ps3_vuart_read_async(dev, PS3_SM_RX_MSG_LEN_MIN);
}
static int ps3_sys_manager_probe(struct ps3_system_bus_device *dev)
{
int result;
struct ps3_sys_manager_ops ops;
dev_dbg(&dev->core, "%s:%d\n" , __func__, __LINE__);
ops.power_off = ps3_sys_manager_final_power_off;
ops.restart = ps3_sys_manager_final_restart;
ops.dev = dev;
/* ps3_sys_manager_register_ops copies ops. */
ps3_sys_manager_register_ops(&ops);
result = ps3_sys_manager_send_attr(dev, PS3_SM_ATTR_ALL);
BUG_ON(result);
result = ps3_vuart_read_async(dev, PS3_SM_RX_MSG_LEN_MIN);
BUG_ON(result);
return result;
}
static int ps3_sys_manager_remove(struct ps3_system_bus_device *dev)
{
dev_dbg(&dev->core, "%s:%d\n" , __func__, __LINE__);
return 0 ;
}
static void ps3_sys_manager_shutdown(struct ps3_system_bus_device *dev)
{
dev_dbg(&dev->core, "%s:%d\n" , __func__, __LINE__);
}
static struct ps3_vuart_port_driver ps3_sys_manager = {
.core.match_id = PS3_MATCH_ID_SYSTEM_MANAGER,
.core.core.name = "ps3_sys_manager" ,
.probe = ps3_sys_manager_probe,
.remove = ps3_sys_manager_remove,
.shutdown = ps3_sys_manager_shutdown,
.work = ps3_sys_manager_work,
};
static int __init ps3_sys_manager_init(void )
{
if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
return -ENODEV;
return ps3_vuart_port_driver_register(&ps3_sys_manager);
}
module_init(ps3_sys_manager_init);
/* Module remove not supported. */
MODULE_AUTHOR("Sony Corporation" );
MODULE_LICENSE("GPL v2" );
MODULE_DESCRIPTION("PS3 System Manager" );
MODULE_ALIAS(PS3_MODULE_ALIAS_SYSTEM_MANAGER);
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