| #ifndef _LINUX_REBOOT_H |
| #define _LINUX_REBOOT_H |
| |
| /* |
| * Magic values required to use _reboot() system call. |
| */ |
| |
| #define LINUX_REBOOT_MAGIC1 0xfee1dead |
| #define LINUX_REBOOT_MAGIC2 672274793 |
| #define LINUX_REBOOT_MAGIC2A 85072278 |
| #define LINUX_REBOOT_MAGIC2B 369367448 |
| #define LINUX_REBOOT_MAGIC2C 537993216 |
| |
| |
| /* |
| * Commands accepted by the _reboot() system call. |
| * |
| * RESTART Restart system using default command and mode. |
| * HALT Stop OS and give system control to ROM monitor, if any. |
| * CAD_ON Ctrl-Alt-Del sequence causes RESTART command. |
| * CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task. |
| * POWER_OFF Stop OS and remove all power from system, if possible. |
| * RESTART2 Restart system using given command string. |
| * SW_SUSPEND Suspend system using software suspend if compiled in. |
| * KEXEC Restart system using a previously loaded Linux kernel |
| */ |
| |
| #define LINUX_REBOOT_CMD_RESTART 0x01234567 |
| #define LINUX_REBOOT_CMD_HALT 0xCDEF0123 |
| #define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF |
| #define LINUX_REBOOT_CMD_CAD_OFF 0x00000000 |
| #define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC |
| #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4 |
| #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2 |
| #define LINUX_REBOOT_CMD_KEXEC 0x45584543 |
| |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/notifier.h> |
| |
| extern int register_reboot_notifier(struct notifier_block *); |
| extern int unregister_reboot_notifier(struct notifier_block *); |
| |
| |
| /* |
| * Architecture-specific implementations of sys_reboot commands. |
| */ |
| |
| extern void machine_restart(char *cmd); |
| extern void machine_halt(void); |
| extern void machine_power_off(void); |
| |
| extern void machine_shutdown(void); |
| struct pt_regs; |
| extern void machine_crash_shutdown(struct pt_regs *); |
| |
| #endif |
| |
| #endif /* _LINUX_REBOOT_H */ |