| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _LINUX_REBOOT_H |
| #define _LINUX_REBOOT_H |
| |
| |
| #include <linux/notifier.h> |
| #include <uapi/linux/reboot.h> |
| |
| struct device; |
| |
| #define SYS_DOWN 0x0001 /* Notify of system down */ |
| #define SYS_RESTART SYS_DOWN |
| #define SYS_HALT 0x0002 /* Notify of system halt */ |
| #define SYS_POWER_OFF 0x0003 /* Notify of system power off */ |
| |
| enum reboot_mode { |
| REBOOT_UNDEFINED = -1, |
| REBOOT_COLD = 0, |
| REBOOT_WARM, |
| REBOOT_HARD, |
| REBOOT_SOFT, |
| REBOOT_GPIO, |
| }; |
| extern enum reboot_mode reboot_mode; |
| extern enum reboot_mode panic_reboot_mode; |
| |
| enum reboot_type { |
| BOOT_TRIPLE = 't', |
| BOOT_KBD = 'k', |
| BOOT_BIOS = 'b', |
| BOOT_ACPI = 'a', |
| BOOT_EFI = 'e', |
| BOOT_CF9_FORCE = 'p', |
| BOOT_CF9_SAFE = 'q', |
| }; |
| extern enum reboot_type reboot_type; |
| |
| extern int reboot_default; |
| extern int reboot_cpu; |
| extern int reboot_force; |
| |
| |
| extern int register_reboot_notifier(struct notifier_block *); |
| extern int unregister_reboot_notifier(struct notifier_block *); |
| |
| extern int devm_register_reboot_notifier(struct device *, struct notifier_block *); |
| |
| extern int register_restart_handler(struct notifier_block *); |
| extern int unregister_restart_handler(struct notifier_block *); |
| extern void do_kernel_restart(char *cmd); |
| |
| /* |
| * Architecture-specific implementations of sys_reboot commands. |
| */ |
| |
| extern void migrate_to_reboot_cpu(void); |
| extern void machine_restart(char *cmd); |
| extern void machine_halt(void); |
| extern void machine_power_off(void); |
| |
| extern void machine_shutdown(void); |
| struct pt_regs; |
| extern void machine_crash_shutdown(struct pt_regs *); |
| |
| /* |
| * Architecture independent implemenations of sys_reboot commands. |
| */ |
| |
| extern void kernel_restart_prepare(char *cmd); |
| extern void kernel_restart(char *cmd); |
| extern void kernel_halt(void); |
| extern void kernel_power_off(void); |
| |
| extern int C_A_D; /* for sysctl */ |
| void ctrl_alt_del(void); |
| |
| #define POWEROFF_CMD_PATH_LEN 256 |
| extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN]; |
| |
| extern void orderly_poweroff(bool force); |
| extern void orderly_reboot(void); |
| |
| /* |
| * Emergency restart, callable from an interrupt handler. |
| */ |
| |
| extern void emergency_restart(void); |
| #include <asm/emergency-restart.h> |
| |
| #endif /* _LINUX_REBOOT_H */ |