Commit | Line | Data |
---|---|---|
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 |
9 | struct 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 |
16 | enum 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 |
23 | extern enum reboot_mode reboot_mode; |
24 | ||
25 | enum 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 | }; |
34 | extern enum reboot_type reboot_type; | |
35 | ||
36 | extern int reboot_default; | |
37 | extern int reboot_cpu; | |
38 | extern int reboot_force; | |
39 | ||
edf2b139 | 40 | |
1da177e4 LT |
41 | extern int register_reboot_notifier(struct notifier_block *); |
42 | extern int unregister_reboot_notifier(struct notifier_block *); | |
43 | ||
2d8364ba AS |
44 | extern int devm_register_reboot_notifier(struct device *, struct notifier_block *); |
45 | ||
b63adb97 GR |
46 | extern int register_restart_handler(struct notifier_block *); |
47 | extern int unregister_restart_handler(struct notifier_block *); | |
48 | extern void do_kernel_restart(char *cmd); | |
1da177e4 LT |
49 | |
50 | /* | |
51 | * Architecture-specific implementations of sys_reboot commands. | |
52 | */ | |
53 | ||
c97102ba | 54 | extern void migrate_to_reboot_cpu(void); |
1da177e4 LT |
55 | extern void machine_restart(char *cmd); |
56 | extern void machine_halt(void); | |
57 | extern void machine_power_off(void); | |
58 | ||
dc009d92 | 59 | extern void machine_shutdown(void); |
6e274d14 AN |
60 | struct pt_regs; |
61 | extern void machine_crash_shutdown(struct pt_regs *); | |
dc009d92 | 62 | |
972ee83d | 63 | /* |
4a00ea1e EB |
64 | * Architecture independent implemenations of sys_reboot commands. |
65 | */ | |
66 | ||
ca195b7f | 67 | extern void kernel_restart_prepare(char *cmd); |
4a00ea1e EB |
68 | extern void kernel_restart(char *cmd); |
69 | extern void kernel_halt(void); | |
70 | extern void kernel_power_off(void); | |
83cc5ed3 | 71 | |
eb5572fe | 72 | extern int C_A_D; /* for sysctl */ |
83cc5ed3 | 73 | void ctrl_alt_del(void); |
4a00ea1e | 74 | |
10a0a8d4 JF |
75 | #define POWEROFF_CMD_PATH_LEN 256 |
76 | extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN]; | |
77 | ||
7a54f46b JS |
78 | extern void orderly_poweroff(bool force); |
79 | extern void orderly_reboot(void); | |
10a0a8d4 | 80 | |
7c903473 EB |
81 | /* |
82 | * Emergency restart, callable from an interrupt handler. | |
83 | */ | |
84 | ||
85 | extern void emergency_restart(void); | |
86 | #include <asm/emergency-restart.h> | |
87 | ||
1da177e4 | 88 | #endif /* _LINUX_REBOOT_H */ |