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4ef7229ffa
kernel_shutdown_prepare() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
82 lines
2.2 KiB
C
82 lines
2.2 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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void ctrl_alt_del(void);
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#define POWEROFF_CMD_PATH_LEN 256
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extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
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extern int orderly_poweroff(bool force);
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/*
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* Emergency restart, callable from an interrupt handler.
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*/
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extern void emergency_restart(void);
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#include <asm/emergency-restart.h>
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#endif
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#endif /* _LINUX_REBOOT_H */
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