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
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