reboot.h 1.7 KB

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  1. #ifndef _LINUX_REBOOT_H
  2. #define _LINUX_REBOOT_H
  3. #include <linux/notifier.h>
  4. #include <uapi/linux/reboot.h>
  5. #define SYS_DOWN 0x0001 /* Notify of system down */
  6. #define SYS_RESTART SYS_DOWN
  7. #define SYS_HALT 0x0002 /* Notify of system halt */
  8. #define SYS_POWER_OFF 0x0003 /* Notify of system power off */
  9. enum reboot_mode {
  10. REBOOT_COLD = 0,
  11. REBOOT_WARM,
  12. REBOOT_HARD,
  13. REBOOT_SOFT,
  14. REBOOT_GPIO,
  15. };
  16. extern enum reboot_mode reboot_mode;
  17. enum reboot_type {
  18. BOOT_TRIPLE = 't',
  19. BOOT_KBD = 'k',
  20. BOOT_BIOS = 'b',
  21. BOOT_ACPI = 'a',
  22. BOOT_EFI = 'e',
  23. BOOT_CF9 = 'p',
  24. BOOT_CF9_COND = 'q',
  25. };
  26. extern enum reboot_type reboot_type;
  27. extern int reboot_default;
  28. extern int reboot_cpu;
  29. extern int reboot_force;
  30. extern int register_reboot_notifier(struct notifier_block *);
  31. extern int unregister_reboot_notifier(struct notifier_block *);
  32. /*
  33. * Architecture-specific implementations of sys_reboot commands.
  34. */
  35. extern void migrate_to_reboot_cpu(void);
  36. extern void machine_restart(char *cmd);
  37. extern void machine_halt(void);
  38. extern void machine_power_off(void);
  39. extern void machine_shutdown(void);
  40. struct pt_regs;
  41. extern void machine_crash_shutdown(struct pt_regs *);
  42. /*
  43. * Architecture independent implemenations of sys_reboot commands.
  44. */
  45. extern void kernel_restart_prepare(char *cmd);
  46. extern void kernel_restart(char *cmd);
  47. extern void kernel_halt(void);
  48. extern void kernel_power_off(void);
  49. extern int C_A_D; /* for sysctl */
  50. void ctrl_alt_del(void);
  51. #define POWEROFF_CMD_PATH_LEN 256
  52. extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
  53. extern int orderly_poweroff(bool force);
  54. /*
  55. * Emergency restart, callable from an interrupt handler.
  56. */
  57. extern void emergency_restart(void);
  58. #include <asm/emergency-restart.h>
  59. #endif /* _LINUX_REBOOT_H */