1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_X86_REBOOT_H 3#define _ASM_X86_REBOOT_H 4 5#include <linux/kdebug.h> 6 7struct pt_regs; 8 9struct machine_ops { 10 void (*restart)(char *cmd); 11 void (*halt)(void); 12 void (*power_off)(void); 13 void (*shutdown)(void); 14 void (*crash_shutdown)(struct pt_regs *); 15 void (*emergency_restart)(void); 16}; 17 18extern struct machine_ops machine_ops; 19extern int crashing_cpu; 20 21void native_machine_crash_shutdown(struct pt_regs *regs); 22void native_machine_shutdown(void); 23void __noreturn machine_real_restart(unsigned int type); 24/* These must match dispatch in arch/x86/realmore/rm/reboot.S */ 25#define MRR_BIOS 0 26#define MRR_APM 1 27 28#if IS_ENABLED(CONFIG_KVM_INTEL) || IS_ENABLED(CONFIG_KVM_AMD) 29typedef void (cpu_emergency_virt_cb)(void); 30void cpu_emergency_register_virt_callback(cpu_emergency_virt_cb *callback); 31void cpu_emergency_unregister_virt_callback(cpu_emergency_virt_cb *callback); 32void cpu_emergency_disable_virtualization(void); 33#else 34static inline void cpu_emergency_disable_virtualization(void) {} 35#endif /* CONFIG_KVM_INTEL || CONFIG_KVM_AMD */ 36 37typedef void (*nmi_shootdown_cb)(int, struct pt_regs*); 38void nmi_shootdown_cpus(nmi_shootdown_cb callback); 39void run_crash_ipi_callback(struct pt_regs *regs); 40 41#endif /* _ASM_X86_REBOOT_H */ 42