1#ifndef ARCH_X86_KVM_CPUID_H
 2#define ARCH_X86_KVM_CPUID_H
 3
 4#include "x86.h"
 5
 6void kvm_update_cpuid(struct kvm_vcpu *vcpu);
 7struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
 8					      u32 function, u32 index);
 9int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid,
10				      struct kvm_cpuid_entry2 __user *entries);
11int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
12			     struct kvm_cpuid *cpuid,
13			     struct kvm_cpuid_entry __user *entries);
14int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
15			      struct kvm_cpuid2 *cpuid,
16			      struct kvm_cpuid_entry2 __user *entries);
17int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
18			      struct kvm_cpuid2 *cpuid,
19			      struct kvm_cpuid_entry2 __user *entries);
20
21
22static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
23{
24	struct kvm_cpuid_entry2 *best;
25
26	best = kvm_find_cpuid_entry(vcpu, 1, 0);
27	return best && (best->ecx & bit(X86_FEATURE_XSAVE));
28}
29
30static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu)
31{
32	struct kvm_cpuid_entry2 *best;
33
34	best = kvm_find_cpuid_entry(vcpu, 7, 0);
35	return best && (best->ebx & bit(X86_FEATURE_SMEP));
36}
37
38static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu)
39{
40	struct kvm_cpuid_entry2 *best;
41
42	best = kvm_find_cpuid_entry(vcpu, 7, 0);
43	return best && (best->ebx & bit(X86_FEATURE_FSGSBASE));
44}
45
46static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu)
47{
48	struct kvm_cpuid_entry2 *best;
49
50	best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
51	return best && (best->ecx & bit(X86_FEATURE_OSVW));
52}
53
54#endif