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gerrit-public.fairphone.software / kernel / msm-4.9 / 73578674f893f20733fa325b0d46e75c1e0f9f3e / . / arch / x86 / kvm / cpuid.h
blob: 26d1fb437eb511f0548ae8953c2f289932ff6436 [file] [log] [blame]
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]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
Boris Ostrovsky2b036c62012-01-09 14:00:35 -0500[diff] [blame]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
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]54#endif