mm/cma: remove unsupported gfp_mask parameter from cma_alloc()
[linux-2.6-block.git] / include / linux / reboot.h
CommitLineData
b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
1da177e4
LT
2#ifndef _LINUX_REBOOT_H
3#define _LINUX_REBOOT_H
4
1da177e4
LT
5
6#include <linux/notifier.h>
607ca46e 7#include <uapi/linux/reboot.h>
1da177e4 8
2d8364ba
AS
9struct device;
10
c5f41752
AW
11#define SYS_DOWN 0x0001 /* Notify of system down */
12#define SYS_RESTART SYS_DOWN
13#define SYS_HALT 0x0002 /* Notify of system halt */
14#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
15
edf2b139
RH
16enum reboot_mode {
17 REBOOT_COLD = 0,
18 REBOOT_WARM,
c97a7008
RH
19 REBOOT_HARD,
20 REBOOT_SOFT,
7b6d864b 21 REBOOT_GPIO,
edf2b139 22};
1b3a5d02
RH
23extern enum reboot_mode reboot_mode;
24
25enum reboot_type {
5be44a6f
IM
26 BOOT_TRIPLE = 't',
27 BOOT_KBD = 'k',
28 BOOT_BIOS = 'b',
29 BOOT_ACPI = 'a',
30 BOOT_EFI = 'e',
31 BOOT_CF9_FORCE = 'p',
32 BOOT_CF9_SAFE = 'q',
1b3a5d02
RH
33};
34extern enum reboot_type reboot_type;
35
36extern int reboot_default;
37extern int reboot_cpu;
38extern int reboot_force;
39
edf2b139 40
1da177e4
LT
41extern int register_reboot_notifier(struct notifier_block *);
42extern int unregister_reboot_notifier(struct notifier_block *);
43
2d8364ba
AS
44extern int devm_register_reboot_notifier(struct device *, struct notifier_block *);
45
b63adb97
GR
46extern int register_restart_handler(struct notifier_block *);
47extern int unregister_restart_handler(struct notifier_block *);
48extern void do_kernel_restart(char *cmd);
1da177e4
LT
49
50/*
51 * Architecture-specific implementations of sys_reboot commands.
52 */
53
c97102ba 54extern void migrate_to_reboot_cpu(void);
1da177e4
LT
55extern void machine_restart(char *cmd);
56extern void machine_halt(void);
57extern void machine_power_off(void);
58
dc009d92 59extern void machine_shutdown(void);
6e274d14
AN
60struct pt_regs;
61extern void machine_crash_shutdown(struct pt_regs *);
dc009d92 62
972ee83d 63/*
4a00ea1e
EB
64 * Architecture independent implemenations of sys_reboot commands.
65 */
66
ca195b7f 67extern void kernel_restart_prepare(char *cmd);
4a00ea1e
EB
68extern void kernel_restart(char *cmd);
69extern void kernel_halt(void);
70extern void kernel_power_off(void);
83cc5ed3 71
eb5572fe 72extern int C_A_D; /* for sysctl */
83cc5ed3 73void ctrl_alt_del(void);
4a00ea1e 74
10a0a8d4
JF
75#define POWEROFF_CMD_PATH_LEN 256
76extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
77
7a54f46b
JS
78extern void orderly_poweroff(bool force);
79extern void orderly_reboot(void);
10a0a8d4 80
7c903473
EB
81/*
82 * Emergency restart, callable from an interrupt handler.
83 */
84
85extern void emergency_restart(void);
86#include <asm/emergency-restart.h>
87
1da177e4 88#endif /* _LINUX_REBOOT_H */