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-rw-r--r--include/linux/reboot.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
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index 000000000000..d60fafc8bdc5
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+++ b/include/linux/reboot.h
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1#ifndef _LINUX_REBOOT_H
2#define _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#ifdef __KERNEL__
39
40#include <linux/notifier.h>
41
42extern int register_reboot_notifier(struct notifier_block *);
43extern int unregister_reboot_notifier(struct notifier_block *);
44
45
46/*
47 * Architecture-specific implementations of sys_reboot commands.
48 */
49
50extern void machine_restart(char *cmd);
51extern void machine_halt(void);
52extern void machine_power_off(void);
53
54#endif
55
56#endif /* _LINUX_REBOOT_H */