1 #ifndef _UAPI_LINUX_REBOOT_H 2 #define _UAPI_LINUX_REBOOT_H 3 4 /* 5 * Magic values required to use _reboot() system call. 6 */ 7 8 #define LINUX_REBOOT_MAGIC1 0xfee1dead 9 #define LINUX_REBOOT_MAGIC2 672274793 10 #define LINUX_REBOOT_MAGIC2A 85072278 11 #define LINUX_REBOOT_MAGIC2B 369367448 12 #define LINUX_REBOOT_MAGIC2C 537993216 13 14 15 /* 16 * Commands accepted by the _reboot() system call. 17 * 18 * RESTART Restart system using default command and mode. 19 * HALT Stop OS and give system control to ROM monitor, if any. 20 * CAD_ON Ctrl-Alt-Del sequence causes RESTART command. 21 * CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task. 22 * POWER_OFF Stop OS and remove all power from system, if possible. 23 * RESTART2 Restart system using given command string. 24 * SW_SUSPEND Suspend system using software suspend if compiled in. 25 * KEXEC Restart system using a previously loaded Linux kernel 26 */ 27 28 #define LINUX_REBOOT_CMD_RESTART 0x01234567 29 #define LINUX_REBOOT_CMD_HALT 0xCDEF0123 30 #define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF 31 #define LINUX_REBOOT_CMD_CAD_OFF 0x00000000 32 #define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC 33 #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4 34 #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2 35 #define LINUX_REBOOT_CMD_KEXEC 0x45584543 36 37 38 39 #endif /* _UAPI_LINUX_REBOOT_H */ 40