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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _LINUX_REBOOT_H |
| 2 | #define _LINUX_REBOOT_H |
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| 3 | |||
| 4 | /* |
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| 5 | * Magic values required to use _reboot() system call. |
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| 6 | */ |
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| 7 | |||
| 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 | #define LINUX_REBOOT_MAGIC2C 537993216 |
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| 13 | |||
| 14 | |||
| 15 | /* |
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| 16 | * Commands accepted by the _reboot() system call. |
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| 17 | * |
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| 18 | * RESTART Restart system using default command and mode. |
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| 19 | * HALT Stop OS and give system control to ROM monitor, if any. |
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| 20 | * CAD_ON Ctrl-Alt-Del sequence causes RESTART command. |
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| 21 | * CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task. |
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| 22 | * POWER_OFF Stop OS and remove all power from system, if possible. |
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| 23 | * RESTART2 Restart system using given command string. |
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| 24 | * SW_SUSPEND Suspend system using software suspend if compiled in. |
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| 25 | */ |
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| 26 | |||
| 27 | #define LINUX_REBOOT_CMD_RESTART 0x01234567 |
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| 28 | #define LINUX_REBOOT_CMD_HALT 0xCDEF0123 |
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| 29 | #define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF |
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| 30 | #define LINUX_REBOOT_CMD_CAD_OFF 0x00000000 |
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| 31 | #define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC |
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| 32 | #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4 |
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| 33 | #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2 |
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| 34 | |||
| 35 | |||
| 36 | #ifdef __KERNEL__ |
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| 37 | |||
| 38 | #include <linux/notifier.h> |
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| 39 | |||
| 40 | extern int register_reboot_notifier(struct notifier_block *); |
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| 41 | extern int unregister_reboot_notifier(struct notifier_block *); |
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| 42 | |||
| 43 | |||
| 44 | /* |
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| 45 | * Architecture-specific implementations of sys_reboot commands. |
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| 46 | */ |
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| 47 | |||
| 48 | extern void machine_restart(char *cmd); |
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| 49 | extern void machine_halt(void); |
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| 50 | extern void machine_power_off(void); |
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| 51 | |||
| 52 | #endif |
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| 53 | |||
| 54 | #endif /* _LINUX_REBOOT_H */ |