reboot.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- #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 *);
- /*
- * Architecture independent implemenations of sys_reboot commands.
- */
- extern void kernel_restart_prepare(char *cmd);
- extern void kernel_halt_prepare(void);
- extern void kernel_power_off_prepare(void);
- extern void kernel_restart(char *cmd);
- extern void kernel_halt(void);
- extern void kernel_power_off(void);
- extern void kernel_kexec(void);
- /*
- * Emergency restart, callable from an interrupt handler.
- */
- extern void emergency_restart(void);
- #include <asm/emergency-restart.h>
- #endif
- #endif /* _LINUX_REBOOT_H */