uapi/linux/reboot.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef _UAPI_LINUX_REBOOT_H
0003 #define _UAPI_LINUX_REBOOT_H
0004
0005 /*
0006  * Magic values required to use _reboot() system call.
0007  */
0008
0009 #define LINUX_REBOOT_MAGIC1 0xfee1dead
0010 #define LINUX_REBOOT_MAGIC2 672274793
0011 #define LINUX_REBOOT_MAGIC2A    85072278
0012 #define LINUX_REBOOT_MAGIC2B    369367448
0013 #define LINUX_REBOOT_MAGIC2C    537993216
0014
0015
0016 /*
0017  * Commands accepted by the _reboot() system call.
0018  *
0019  * RESTART     Restart system using default command and mode.
0020  * HALT        Stop OS and give system control to ROM monitor, if any.
0021  * CAD_ON      Ctrl-Alt-Del sequence causes RESTART command.
0022  * CAD_OFF     Ctrl-Alt-Del sequence sends SIGINT to init task.
0023  * POWER_OFF   Stop OS and remove all power from system, if possible.
0024  * RESTART2    Restart system using given command string.
0025  * SW_SUSPEND  Suspend system using software suspend if compiled in.
0026  * KEXEC       Restart system using a previously loaded Linux kernel
0027  */
0028
0029 #define LINUX_REBOOT_CMD_RESTART    0x01234567
0030 #define LINUX_REBOOT_CMD_HALT       0xCDEF0123
0031 #define LINUX_REBOOT_CMD_CAD_ON     0x89ABCDEF
0032 #define LINUX_REBOOT_CMD_CAD_OFF    0x00000000
0033 #define LINUX_REBOOT_CMD_POWER_OFF  0x4321FEDC
0034 #define LINUX_REBOOT_CMD_RESTART2   0xA1B2C3D4
0035 #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
0036 #define LINUX_REBOOT_CMD_KEXEC      0x45584543
0037
0038
0039
0040 #endif /* _UAPI_LINUX_REBOOT_H */