| 1 | #ifndef _LINUX_REBOOT_H
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| 2 | #define _LINUX_REBOOT_H
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| 3 |
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| 4 | /*
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| 5 | * Magic values required to use _reboot() system call.
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| 6 | */
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| 7 |
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| 8 | #define LINUX_REBOOT_MAGIC1 0xfee1dead
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| 9 | #define LINUX_REBOOT_MAGIC2 672274793
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| 10 | #define LINUX_REBOOT_MAGIC2A 85072278
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| 11 | #define LINUX_REBOOT_MAGIC2B 369367448
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| 12 |
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| 13 |
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| 14 | /*
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| 15 | * Commands accepted by the _reboot() system call.
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| 16 | *
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| 17 | * RESTART Restart system using default command and mode.
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| 18 | * HALT Stop OS and give system control to ROM monitor, if any.
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| 19 | * CAD_ON Ctrl-Alt-Del sequence causes RESTART command.
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| 20 | * CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task.
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| 21 | * POWER_OFF Stop OS and remove all power from system, if possible.
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| 22 | * RESTART2 Restart system using given command string.
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| 23 | */
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| 24 |
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| 25 | #define LINUX_REBOOT_CMD_RESTART 0x01234567
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| 26 | #define LINUX_REBOOT_CMD_HALT 0xCDEF0123
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| 27 | #define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF
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| 28 | #define LINUX_REBOOT_CMD_CAD_OFF 0x00000000
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| 29 | #define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC
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| 30 | #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
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| 31 |
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| 32 |
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| 33 | #ifdef __KERNEL__
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| 34 |
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| 35 | #include <linux/notifier.h>
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| 36 |
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| 37 | extern struct notifier_block *reboot_notifier_list;
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| 38 | extern int register_reboot_notifier(struct notifier_block *);
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| 39 | extern int unregister_reboot_notifier(struct notifier_block *);
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| 40 |
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| 41 |
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| 42 | /*
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| 43 | * Architecture-specific implementations of sys_reboot commands.
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| 44 | */
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| 45 |
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| 46 | extern void machine_restart(char *cmd);
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| 47 | extern void machine_halt(void);
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| 48 | extern void machine_power_off(void);
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| 49 |
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| 50 | #endif
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| 51 |
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| 52 | #endif /* _LINUX_REBOOT_H */
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