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 | |