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         REBOOT_HARD,
  17         REBOOT_SOFT,
  18         REBOOT_GPIO,
  19 };
  20
  21 extern int register_reboot_notifier(struct notifier_block *);
  22 extern int unregister_reboot_notifier(struct notifier_block *);
  23
  24
  25 /*
  26  * Architecture-specific implementations of sys_reboot commands.
  27  */
  28
  29 extern void machine_restart(char *cmd);
  30 extern void machine_halt(void);
  31 extern void machine_power_off(void);
  32
  33 extern void machine_shutdown(void);
  34 struct pt_regs;
  35 extern void machine_crash_shutdown(struct pt_regs *);
  36
  37 /*
  38  * Architecture independent implemenations of sys_reboot commands.
  39  */
  40
  41 extern void kernel_restart_prepare(char *cmd);
  42 extern void kernel_restart(char *cmd);
  43 extern void kernel_halt(void);
  44 extern void kernel_power_off(void);
  45
  46 extern int C_A_D; /* for sysctl */
  47 void ctrl_alt_del(void);
  48
  49 #define POWEROFF_CMD_PATH_LEN   256
  50 extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
  51
  52 extern int orderly_poweroff(bool force);
  53
  54 /*
  55  * Emergency restart, callable from an interrupt handler.
  56  */
  57
  58 extern void emergency_restart(void);
  59 #include <asm/emergency-restart.h>
  60
  61 #endif /* _LINUX_REBOOT_H */