diff options
Diffstat (limited to 'include/linux/reboot.h')
| -rw-r--r-- | include/linux/reboot.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/reboot.h b/include/linux/reboot.h new file mode 100644 index 00000000000..d60fafc8bdc --- /dev/null +++ b/include/linux/reboot.h @@ -0,0 +1,56 @@ +#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); + +#endif + +#endif /* _LINUX_REBOOT_H */ |