/* 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 */