| 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 | extern enum reboot_mode reboot_mode; |
| 21 | |
| 22 | enum reboot_type { |
| 23 | BOOT_TRIPLE = 't', |
| 24 | BOOT_KBD = 'k', |
| 25 | BOOT_BIOS = 'b', |
| 26 | BOOT_ACPI = 'a', |
| 27 | BOOT_EFI = 'e', |
| 28 | BOOT_CF9_FORCE = 'p', |
| 29 | BOOT_CF9_SAFE = 'q', |
| 30 | }; |
| 31 | extern enum reboot_type reboot_type; |
| 32 | |
| 33 | extern int reboot_default; |
| 34 | extern int reboot_cpu; |
| 35 | extern int reboot_force; |
| 36 | |
| 37 | |
| 38 | extern int register_reboot_notifier(struct notifier_block *); |
| 39 | extern int unregister_reboot_notifier(struct notifier_block *); |
| 40 | |
| 41 | extern int register_restart_handler(struct notifier_block *); |
| 42 | extern int unregister_restart_handler(struct notifier_block *); |
| 43 | extern void do_kernel_restart(char *cmd); |
| 44 | |
| 45 | /* |
| 46 | * Architecture-specific implementations of sys_reboot commands. |
| 47 | */ |
| 48 | |
| 49 | extern void migrate_to_reboot_cpu(void); |
| 50 | extern void machine_restart(char *cmd); |
| 51 | extern void machine_halt(void); |
| 52 | extern void machine_power_off(void); |
| 53 | |
| 54 | extern void machine_shutdown(void); |
| 55 | struct pt_regs; |
| 56 | extern void machine_crash_shutdown(struct pt_regs *); |
| 57 | |
| 58 | /* |
| 59 | * Architecture independent implemenations of sys_reboot commands. |
| 60 | */ |
| 61 | |
| 62 | extern void kernel_restart_prepare(char *cmd); |
| 63 | extern void kernel_restart(char *cmd); |
| 64 | extern void kernel_halt(void); |
| 65 | extern void kernel_power_off(void); |
| 66 | |
| 67 | extern int C_A_D; /* for sysctl */ |
| 68 | void ctrl_alt_del(void); |
| 69 | |
| 70 | #define POWEROFF_CMD_PATH_LEN 256 |
| 71 | extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN]; |
| 72 | |
| 73 | extern void orderly_poweroff(bool force); |
| 74 | extern void orderly_reboot(void); |
| 75 | |
| 76 | /* |
| 77 | * Emergency restart, callable from an interrupt handler. |
| 78 | */ |
| 79 | |
| 80 | extern void emergency_restart(void); |
| 81 | #include <asm/emergency-restart.h> |
| 82 | |
| 83 | #endif /* _LINUX_REBOOT_H */ |