include/linux/reboot.h

   1 #ifndef _LINUX_REBOOT_H
   2 #define _LINUX_REBOOT_H
   3
   4
   5 #include <linux/notifier.h>
   6 #include <uapi/linux/reboot.h>
   7
   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 */
  12
  13 extern int register_reboot_notifier(struct notifier_block *);
  14 extern int unregister_reboot_notifier(struct notifier_block *);
  15
  16
  17 /*
  18  * Architecture-specific implementations of sys_reboot commands.
  19  */
  20
  21 extern void machine_restart(char *cmd);
  22 extern void machine_halt(void);
  23 extern void machine_power_off(void);
  24
  25 extern void machine_shutdown(void);
  26 struct pt_regs;
  27 extern void machine_crash_shutdown(struct pt_regs *);
  28
  29 /*
  30  * Architecture independent implemenations of sys_reboot commands.
  31  */
  32
  33 extern void kernel_restart_prepare(char *cmd);
  34 extern void kernel_restart(char *cmd);
  35 extern void kernel_halt(void);
  36 extern void kernel_power_off(void);
  37
  38 extern int C_A_D; /* for sysctl */
  39 void ctrl_alt_del(void);
  40
  41 #define POWEROFF_CMD_PATH_LEN   256
  42 extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
  43
  44 extern int orderly_poweroff(bool force);
  45
  46 /*
  47  * Emergency restart, callable from an interrupt handler.
  48  */
  49
  50 extern void emergency_restart(void);
  51 #include <asm/emergency-restart.h>
  52
  53 #endif /* _LINUX_REBOOT_H */