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4a00ea1e18
Because the factors of sys_reboot don't exist people calling into the reboot path duplicate the code badly, leading to inconsistent expectations of code in the reboot path. This patch should is just code motion. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
#ifndef _LINUX_REBOOT_H
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#define _LINUX_REBOOT_H
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/*
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* Magic values required to use _reboot() system call.
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*/
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#define LINUX_REBOOT_MAGIC1 0xfee1dead
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#define LINUX_REBOOT_MAGIC2 672274793
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#define LINUX_REBOOT_MAGIC2A 85072278
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#define LINUX_REBOOT_MAGIC2B 369367448
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#define LINUX_REBOOT_MAGIC2C 537993216
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/*
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* Commands accepted by the _reboot() system call.
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*
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* RESTART Restart system using default command and mode.
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* HALT Stop OS and give system control to ROM monitor, if any.
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* CAD_ON Ctrl-Alt-Del sequence causes RESTART command.
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* CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task.
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* POWER_OFF Stop OS and remove all power from system, if possible.
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* RESTART2 Restart system using given command string.
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* SW_SUSPEND Suspend system using software suspend if compiled in.
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* KEXEC Restart system using a previously loaded Linux kernel
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*/
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#define LINUX_REBOOT_CMD_RESTART 0x01234567
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#define LINUX_REBOOT_CMD_HALT 0xCDEF0123
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#define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF
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#define LINUX_REBOOT_CMD_CAD_OFF 0x00000000
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#define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC
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#define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
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#define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
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#define LINUX_REBOOT_CMD_KEXEC 0x45584543
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#ifdef __KERNEL__
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#include <linux/notifier.h>
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extern int register_reboot_notifier(struct notifier_block *);
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extern int unregister_reboot_notifier(struct notifier_block *);
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/*
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* Architecture-specific implementations of sys_reboot commands.
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*/
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extern void machine_restart(char *cmd);
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extern void machine_halt(void);
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extern void machine_power_off(void);
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extern void machine_shutdown(void);
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struct pt_regs;
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extern void machine_crash_shutdown(struct pt_regs *);
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/*
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* Architecture independent implemenations of sys_reboot commands.
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*/
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extern void kernel_restart(char *cmd);
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extern void kernel_halt(void);
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extern void kernel_power_off(void);
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extern void kernel_kexec(void);
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#endif
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#endif /* _LINUX_REBOOT_H */
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