1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_LINUX_REBOOT_H
3#define _UAPI_LINUX_REBOOT_H
4
5/*
6 * Magic values required to use _reboot() system call.
7 */
8
9#define	LINUX_REBOOT_MAGIC1	0xfee1dead
10#define	LINUX_REBOOT_MAGIC2	672274793
11#define	LINUX_REBOOT_MAGIC2A	85072278
12#define	LINUX_REBOOT_MAGIC2B	369367448
13#define	LINUX_REBOOT_MAGIC2C	537993216
14
15
16/*
17 * Commands accepted by the _reboot() system call.
18 *
19 * RESTART     Restart system using default command and mode.
20 * HALT        Stop OS and give system control to ROM monitor, if any.
21 * CAD_ON      Ctrl-Alt-Del sequence causes RESTART command.
22 * CAD_OFF     Ctrl-Alt-Del sequence sends SIGINT to init task.
23 * POWER_OFF   Stop OS and remove all power from system, if possible.
24 * RESTART2    Restart system using given command string.
25 * SW_SUSPEND  Suspend system using software suspend if compiled in.
26 * KEXEC       Restart system using a previously loaded Linux kernel
27 */
28
29#define	LINUX_REBOOT_CMD_RESTART	0x01234567
30#define	LINUX_REBOOT_CMD_HALT		0xCDEF0123
31#define	LINUX_REBOOT_CMD_CAD_ON		0x89ABCDEF
32#define	LINUX_REBOOT_CMD_CAD_OFF	0x00000000
33#define	LINUX_REBOOT_CMD_POWER_OFF	0x4321FEDC
34#define	LINUX_REBOOT_CMD_RESTART2	0xA1B2C3D4
35#define	LINUX_REBOOT_CMD_SW_SUSPEND	0xD000FCE2
36#define	LINUX_REBOOT_CMD_KEXEC		0x45584543
37
38
39
40#endif /* _UAPI_LINUX_REBOOT_H */
41