tpm: Abstract crypto agile event size calculations
[linux-2.6-block.git] / include / linux / reboot.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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2#ifndef _LINUX_REBOOT_H
3#define _LINUX_REBOOT_H
4
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5
6#include <linux/notifier.h>
607ca46e 7#include <uapi/linux/reboot.h>
1da177e4 8
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9struct device;
10
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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 16enum reboot_mode {
b287a25a 17 REBOOT_UNDEFINED = -1,
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18 REBOOT_COLD = 0,
19 REBOOT_WARM,
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20 REBOOT_HARD,
21 REBOOT_SOFT,
7b6d864b 22 REBOOT_GPIO,
edf2b139 23};
1b3a5d02 24extern enum reboot_mode reboot_mode;
b287a25a 25extern enum reboot_mode panic_reboot_mode;
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26
27enum reboot_type {
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28 BOOT_TRIPLE = 't',
29 BOOT_KBD = 'k',
30 BOOT_BIOS = 'b',
31 BOOT_ACPI = 'a',
32 BOOT_EFI = 'e',
33 BOOT_CF9_FORCE = 'p',
34 BOOT_CF9_SAFE = 'q',
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35};
36extern enum reboot_type reboot_type;
37
38extern int reboot_default;
39extern int reboot_cpu;
40extern int reboot_force;
41
edf2b139 42
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43extern int register_reboot_notifier(struct notifier_block *);
44extern int unregister_reboot_notifier(struct notifier_block *);
45
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46extern int devm_register_reboot_notifier(struct device *, struct notifier_block *);
47
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48extern int register_restart_handler(struct notifier_block *);
49extern int unregister_restart_handler(struct notifier_block *);
50extern void do_kernel_restart(char *cmd);
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51
52/*
53 * Architecture-specific implementations of sys_reboot commands.
54 */
55
c97102ba 56extern void migrate_to_reboot_cpu(void);
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57extern void machine_restart(char *cmd);
58extern void machine_halt(void);
59extern void machine_power_off(void);
60
dc009d92 61extern void machine_shutdown(void);
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62struct pt_regs;
63extern void machine_crash_shutdown(struct pt_regs *);
dc009d92 64
972ee83d 65/*
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66 * Architecture independent implemenations of sys_reboot commands.
67 */
68
ca195b7f 69extern void kernel_restart_prepare(char *cmd);
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70extern void kernel_restart(char *cmd);
71extern void kernel_halt(void);
72extern void kernel_power_off(void);
83cc5ed3 73
eb5572fe 74extern int C_A_D; /* for sysctl */
83cc5ed3 75void ctrl_alt_del(void);
4a00ea1e 76
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77#define POWEROFF_CMD_PATH_LEN 256
78extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
79
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80extern void orderly_poweroff(bool force);
81extern void orderly_reboot(void);
10a0a8d4 82
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83/*
84 * Emergency restart, callable from an interrupt handler.
85 */
86
87extern void emergency_restart(void);
88#include <asm/emergency-restart.h>
89
1da177e4 90#endif /* _LINUX_REBOOT_H */