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 7 struct pt_regs; 8 9 struct 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 18 extern struct machine_ops machine_ops; 19 extern int crashing_cpu; 20 21 void native_machine_crash_shutdown(struct pt_regs *regs); 22 void native_machine_shutdown(void); 23 void __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) 29 typedef void (cpu_emergency_virt_cb)(void); 30 void cpu_emergency_register_virt_callback(cpu_emergency_virt_cb *callback); 31 void cpu_emergency_unregister_virt_callback(cpu_emergency_virt_cb *callback); 32 void cpu_emergency_disable_virtualization(void); 33 #else 34 static inline void cpu_emergency_disable_virtualization(void) {} 35 #endif /* CONFIG_KVM_INTEL || CONFIG_KVM_AMD */ 36 37 typedef void (*nmi_shootdown_cb)(int, struct pt_regs*); 38 void nmi_shootdown_cpus(nmi_shootdown_cb callback); 39 void run_crash_ipi_callback(struct pt_regs *regs); 40 41 #endif /* _ASM_X86_REBOOT_H */ 42