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gerrit-public.fairphone.software / kernel / msm-5.4 / b24413180f5600bcb3bb70fbed5cf186b60864bd / . / include / linux / reboot.h
blob: d03da0eb95ca773bbe912f6ad139a303299b6412 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +0100[diff] [blame^]1/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]2#ifndef _LINUX_REBOOT_H
3#define _LINUX_REBOOT_H
4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]5
6#include <linux/notifier.h>
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]7#include <uapi/linux/reboot.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]8
Amerigo Wangc5f41752011-07-25 17:13:10 -0700[diff] [blame]9#define SYS_DOWN 0x0001 /* Notify of system down */
10#define SYS_RESTART SYS_DOWN
11#define SYS_HALT 0x0002 /* Notify of system halt */
12#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
13
Robin Holtedf2b132013-07-08 16:01:35 -0700[diff] [blame]14enum reboot_mode {
15 REBOOT_COLD = 0,
16 REBOOT_WARM,
Robin Holtc97a7002013-07-08 16:01:36 -0700[diff] [blame]17 REBOOT_HARD,
18 REBOOT_SOFT,
Robin Holt7b6d8642013-07-08 16:01:40 -0700[diff] [blame]19 REBOOT_GPIO,
Robin Holtedf2b132013-07-08 16:01:35 -0700[diff] [blame]20};
Robin Holt1b3a5d02013-07-08 16:01:42 -0700[diff] [blame]21extern enum reboot_mode reboot_mode;
22
23enum reboot_type {
Ingo Molnar5be44a62014-04-04 08:41:26 +0200[diff] [blame]24 BOOT_TRIPLE = 't',
25 BOOT_KBD = 'k',
26 BOOT_BIOS = 'b',
27 BOOT_ACPI = 'a',
28 BOOT_EFI = 'e',
29 BOOT_CF9_FORCE = 'p',
30 BOOT_CF9_SAFE = 'q',
Robin Holt1b3a5d02013-07-08 16:01:42 -0700[diff] [blame]31};
32extern enum reboot_type reboot_type;
33
34extern int reboot_default;
35extern int reboot_cpu;
36extern int reboot_force;
37
Robin Holtedf2b132013-07-08 16:01:35 -0700[diff] [blame]38
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39extern int register_reboot_notifier(struct notifier_block *);
40extern int unregister_reboot_notifier(struct notifier_block *);
41
Guenter Roeckb63adb972014-09-26 00:03:16 +0000[diff] [blame]42extern int register_restart_handler(struct notifier_block *);
43extern int unregister_restart_handler(struct notifier_block *);
44extern void do_kernel_restart(char *cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]45
46/*
47 * Architecture-specific implementations of sys_reboot commands.
48 */
49
Vivek Goyalc97102b2013-12-18 17:08:31 -0800[diff] [blame]50extern void migrate_to_reboot_cpu(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]51extern void machine_restart(char *cmd);
52extern void machine_halt(void);
53extern void machine_power_off(void);
54
Eric W. Biedermandc009d92005-06-25 14:57:52 -0700[diff] [blame]55extern void machine_shutdown(void);
Alexander Nyberg6e274d12005-06-25 14:58:26 -0700[diff] [blame]56struct pt_regs;
57extern void machine_crash_shutdown(struct pt_regs *);
Eric W. Biedermandc009d92005-06-25 14:57:52 -0700[diff] [blame]58
Robin Holt972ee832013-07-08 16:01:34 -0700[diff] [blame]59/*
Eric W. Biederman4a00ea12005-07-26 11:24:14 -0600[diff] [blame]60 * Architecture independent implemenations of sys_reboot commands.
61 */
62
Huang Yingca195b72008-08-15 00:40:24 -0700[diff] [blame]63extern void kernel_restart_prepare(char *cmd);
Eric W. Biederman4a00ea12005-07-26 11:24:14 -0600[diff] [blame]64extern void kernel_restart(char *cmd);
65extern void kernel_halt(void);
66extern void kernel_power_off(void);
Adrian Bunk83cc5ed2006-06-25 05:47:41 -0700[diff] [blame]67
Dave Youngeb5572f2010-03-10 15:23:59 -0800[diff] [blame]68extern int C_A_D; /* for sysctl */
Adrian Bunk83cc5ed2006-06-25 05:47:41 -0700[diff] [blame]69void ctrl_alt_del(void);
Eric W. Biederman4a00ea12005-07-26 11:24:14 -0600[diff] [blame]70
Jeremy Fitzhardinge10a0a8d2007-07-17 18:37:02 -0700[diff] [blame]71#define POWEROFF_CMD_PATH_LEN 256
72extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
73
Joel Stanley7a54f462015-04-15 16:16:53 -0700[diff] [blame]74extern void orderly_poweroff(bool force);
75extern void orderly_reboot(void);
Jeremy Fitzhardinge10a0a8d2007-07-17 18:37:02 -0700[diff] [blame]76
Eric W. Biederman7c903472005-07-26 11:29:55 -0600[diff] [blame]77/*
78 * Emergency restart, callable from an interrupt handler.
79 */
80
81extern void emergency_restart(void);
82#include <asm/emergency-restart.h>
83
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]84#endif /* _LINUX_REBOOT_H */