1 #ifndef _LINUX_REBOOT_H
2 #define _LINUX_REBOOT_H
5 #include <linux/notifier.h>
6 #include <uapi/linux/reboot.h>
8 #define SYS_DOWN 0x0001 /* Notify of system down */
9 #define SYS_RESTART SYS_DOWN
10 #define SYS_HALT 0x0002 /* Notify of system halt */
11 #define SYS_POWER_OFF 0x0003 /* Notify of system power off */
18 extern int register_reboot_notifier(struct notifier_block *);
19 extern int unregister_reboot_notifier(struct notifier_block *);
23 * Architecture-specific implementations of sys_reboot commands.
26 extern void machine_restart(char *cmd);
27 extern void machine_halt(void);
28 extern void machine_power_off(void);
30 extern void machine_shutdown(void);
32 extern void machine_crash_shutdown(struct pt_regs *);
35 * Architecture independent implemenations of sys_reboot commands.
38 extern void kernel_restart_prepare(char *cmd);
39 extern void kernel_restart(char *cmd);
40 extern void kernel_halt(void);
41 extern void kernel_power_off(void);
43 extern int C_A_D; /* for sysctl */
44 void ctrl_alt_del(void);
46 #define POWEROFF_CMD_PATH_LEN 256
47 extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
49 extern int orderly_poweroff(bool force);
52 * Emergency restart, callable from an interrupt handler.
55 extern void emergency_restart(void);
56 #include <asm/emergency-restart.h>
58 #endif /* _LINUX_REBOOT_H */