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gerrit-public.fairphone.software / kernel / msm-4.9 / 30bdbb78009e67767983085e302bec6d97afc679 / . / include / linux / reboot.h
blob: a7ff409f386d0fadcb318fd41eefe90d97783145 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1#ifndef _LINUX_REBOOT_H
2#define _LINUX_REBOOT_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]4
5#include <linux/notifier.h>
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]6#include <uapi/linux/reboot.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]7
Amerigo Wangc5f41752011-07-25 17:13:10 -0700[diff] [blame]8#define SYS_DOWN 0x0001 /* Notify of system down */
9#define SYS_RESTART SYS_DOWN
10#define SYS_HALT 0x0002 /* Notify of system halt */
11#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
12
Robin Holtedf2b132013-07-08 16:01:35 -0700[diff] [blame]13enum reboot_mode {
14 REBOOT_COLD = 0,
15 REBOOT_WARM,
Robin Holtc97a7002013-07-08 16:01:36 -0700[diff] [blame]16 REBOOT_HARD,
17 REBOOT_SOFT,
Robin Holt7b6d8642013-07-08 16:01:40 -0700[diff] [blame]18 REBOOT_GPIO,
Robin Holtedf2b132013-07-08 16:01:35 -0700[diff] [blame]19};
Robin Holt1b3a5d02013-07-08 16:01:42 -0700[diff] [blame]20extern enum reboot_mode reboot_mode;
21
22enum reboot_type {
Ingo Molnar5be44a62014-04-04 08:41:26 +0200[diff] [blame]23 BOOT_TRIPLE = 't',
24 BOOT_KBD = 'k',
25 BOOT_BIOS = 'b',
26 BOOT_ACPI = 'a',
27 BOOT_EFI = 'e',
28 BOOT_CF9_FORCE = 'p',
29 BOOT_CF9_SAFE = 'q',
Robin Holt1b3a5d02013-07-08 16:01:42 -0700[diff] [blame]30};
31extern enum reboot_type reboot_type;
32
33extern int reboot_default;
34extern int reboot_cpu;
35extern int reboot_force;
36
Robin Holtedf2b132013-07-08 16:01:35 -0700[diff] [blame]37
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]38extern int register_reboot_notifier(struct notifier_block *);
39extern int unregister_reboot_notifier(struct notifier_block *);
40
Guenter Roeckb63adb972014-09-26 00:03:16 +0000[diff] [blame]41extern int register_restart_handler(struct notifier_block *);
42extern int unregister_restart_handler(struct notifier_block *);
43extern void do_kernel_restart(char *cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]44
45/*
46 * Architecture-specific implementations of sys_reboot commands.
47 */
48
Vivek Goyalc97102b2013-12-18 17:08:31 -0800[diff] [blame]49extern void migrate_to_reboot_cpu(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]50extern void machine_restart(char *cmd);
51extern void machine_halt(void);
52extern void machine_power_off(void);
53
Eric W. Biedermandc009d92005-06-25 14:57:52 -0700[diff] [blame]54extern void machine_shutdown(void);
Alexander Nyberg6e274d12005-06-25 14:58:26 -0700[diff] [blame]55struct pt_regs;
56extern void machine_crash_shutdown(struct pt_regs *);
Eric W. Biedermandc009d92005-06-25 14:57:52 -0700[diff] [blame]57
Robin Holt972ee832013-07-08 16:01:34 -0700[diff] [blame]58/*
Eric W. Biederman4a00ea12005-07-26 11:24:14 -0600[diff] [blame]59 * Architecture independent implemenations of sys_reboot commands.
60 */
61
Huang Yingca195b72008-08-15 00:40:24 -0700[diff] [blame]62extern void kernel_restart_prepare(char *cmd);
Eric W. Biederman4a00ea12005-07-26 11:24:14 -0600[diff] [blame]63extern void kernel_restart(char *cmd);
64extern void kernel_halt(void);
65extern void kernel_power_off(void);
Adrian Bunk83cc5ed2006-06-25 05:47:41 -0700[diff] [blame]66
Dave Youngeb5572f2010-03-10 15:23:59 -0800[diff] [blame]67extern int C_A_D; /* for sysctl */
Adrian Bunk83cc5ed2006-06-25 05:47:41 -0700[diff] [blame]68void ctrl_alt_del(void);
Eric W. Biederman4a00ea12005-07-26 11:24:14 -0600[diff] [blame]69
Jeremy Fitzhardinge10a0a8d2007-07-17 18:37:02 -0700[diff] [blame]70#define POWEROFF_CMD_PATH_LEN 256
71extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
72
Joel Stanley7a54f462015-04-15 16:16:53 -0700[diff] [blame]73extern void orderly_poweroff(bool force);
74extern void orderly_reboot(void);
Jeremy Fitzhardinge10a0a8d2007-07-17 18:37:02 -0700[diff] [blame]75
Eric W. Biederman7c903472005-07-26 11:29:55 -0600[diff] [blame]76/*
77 * Emergency restart, callable from an interrupt handler.
78 */
79
80extern void emergency_restart(void);
81#include <asm/emergency-restart.h>
82
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]83#endif /* _LINUX_REBOOT_H */