1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21965aae3SH. Peter Anvin #ifndef _ASM_X86_REBOOT_H 31965aae3SH. Peter Anvin #define _ASM_X86_REBOOT_H 4bb898558SAl Viro 5c370e5e0SEduardo Habkost #include <linux/kdebug.h> 6c370e5e0SEduardo Habkost 7bb898558SAl Viro struct pt_regs; 8bb898558SAl Viro 9bb898558SAl Viro struct machine_ops { 10bb898558SAl Viro void (*restart)(char *cmd); 11bb898558SAl Viro void (*halt)(void); 12bb898558SAl Viro void (*power_off)(void); 13bb898558SAl Viro void (*shutdown)(void); 14bb898558SAl Viro void (*crash_shutdown)(struct pt_regs *); 15bb898558SAl Viro void (*emergency_restart)(void); 16bb898558SAl Viro }; 17bb898558SAl Viro 18bb898558SAl Viro extern struct machine_ops machine_ops; 195bc32950SXunlei Pang extern int crashing_cpu; 20bb898558SAl Viro 21bb898558SAl Viro void native_machine_crash_shutdown(struct pt_regs *regs); 22bb898558SAl Viro void native_machine_shutdown(void); 2365051397SH. Peter Anvin void __noreturn machine_real_restart(unsigned int type); 2465051397SH. Peter Anvin /* These must match dispatch in arch/x86/realmore/rm/reboot.S */ 253d35ac34SH. Peter Anvin #define MRR_BIOS 0 263d35ac34SH. Peter Anvin #define MRR_APM 1 27bb898558SAl Viro 28*261cd5edSSean Christopherson #if IS_ENABLED(CONFIG_KVM_INTEL) || IS_ENABLED(CONFIG_KVM_AMD) 295e408396SSean Christopherson typedef void (cpu_emergency_virt_cb)(void); 305e408396SSean Christopherson void cpu_emergency_register_virt_callback(cpu_emergency_virt_cb *callback); 315e408396SSean Christopherson void cpu_emergency_unregister_virt_callback(cpu_emergency_virt_cb *callback); 3226044affSSean Christopherson void cpu_emergency_disable_virtualization(void); 33*261cd5edSSean Christopherson #else cpu_emergency_disable_virtualization(void)34*261cd5edSSean Christophersonstatic inline void cpu_emergency_disable_virtualization(void) {} 35*261cd5edSSean Christopherson #endif /* CONFIG_KVM_INTEL || CONFIG_KVM_AMD */ 3626044affSSean Christopherson 379c48f1c6SDon Zickus typedef void (*nmi_shootdown_cb)(int, struct pt_regs*); 38c370e5e0SEduardo Habkost void nmi_shootdown_cpus(nmi_shootdown_cb callback); 39b279d67dSHidehiro Kawai void run_crash_ipi_callback(struct pt_regs *regs); 40c370e5e0SEduardo Habkost 411965aae3SH. Peter Anvin #endif /* _ASM_X86_REBOOT_H */ 42