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 enum reboot_mode {
  14         REBOOT_COLD = 0,
  15         REBOOT_WARM,
  16 };
  17
  18 extern int register_reboot_notifier(struct notifier_block *);
  19 extern int unregister_reboot_notifier(struct notifier_block *);
  20
  21
  22 /*
  23  * Architecture-specific implementations of sys_reboot commands.
  24  */
  25
  26 extern void machine_restart(char *cmd);
  27 extern void machine_halt(void);
  28 extern void machine_power_off(void);
  29
  30 extern void machine_shutdown(void);
  31 struct pt_regs;
  32 extern void machine_crash_shutdown(struct pt_regs *);
  33
  34 /*
  35  * Architecture independent implemenations of sys_reboot commands.
  36  */
  37
  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);
  42
  43 extern int C_A_D; /* for sysctl */
  44 void ctrl_alt_del(void);
  45
  46 #define POWEROFF_CMD_PATH_LEN   256
  47 extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
  48
  49 extern int orderly_poweroff(bool force);
  50
  51 /*
  52  * Emergency restart, callable from an interrupt handler.
  53  */
  54
  55 extern void emergency_restart(void);
  56 #include <asm/emergency-restart.h>
  57
  58 #endif /* _LINUX_REBOOT_H */