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00b27a3e AK |
1 | #ifndef ARCH_X86_KVM_CPUID_H |
2 | #define ARCH_X86_KVM_CPUID_H | |
3 | ||
4 | #include "x86.h" | |
5 | ||
6 | void kvm_update_cpuid(struct kvm_vcpu *vcpu); | |
7 | struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, | |
8 | u32 function, u32 index); | |
9 | int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, | |
10 | struct kvm_cpuid_entry2 __user *entries); | |
11 | int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu, | |
12 | struct kvm_cpuid *cpuid, | |
13 | struct kvm_cpuid_entry __user *entries); | |
14 | int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, | |
15 | struct kvm_cpuid2 *cpuid, | |
16 | struct kvm_cpuid_entry2 __user *entries); | |
17 | int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu, | |
18 | struct kvm_cpuid2 *cpuid, | |
19 | struct kvm_cpuid_entry2 __user *entries); | |
62046e5a | 20 | void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx); |
00b27a3e AK |
21 | |
22 | ||
23 | static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu) | |
24 | { | |
25 | struct kvm_cpuid_entry2 *best; | |
26 | ||
27 | best = kvm_find_cpuid_entry(vcpu, 1, 0); | |
28 | return best && (best->ecx & bit(X86_FEATURE_XSAVE)); | |
29 | } | |
30 | ||
31 | static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu) | |
32 | { | |
33 | struct kvm_cpuid_entry2 *best; | |
34 | ||
35 | best = kvm_find_cpuid_entry(vcpu, 7, 0); | |
36 | return best && (best->ebx & bit(X86_FEATURE_SMEP)); | |
37 | } | |
38 | ||
39 | static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu) | |
40 | { | |
41 | struct kvm_cpuid_entry2 *best; | |
42 | ||
43 | best = kvm_find_cpuid_entry(vcpu, 7, 0); | |
44 | return best && (best->ebx & bit(X86_FEATURE_FSGSBASE)); | |
45 | } | |
46 | ||
2b036c6b BO |
47 | static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu) |
48 | { | |
49 | struct kvm_cpuid_entry2 *best; | |
50 | ||
51 | best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0); | |
52 | return best && (best->ecx & bit(X86_FEATURE_OSVW)); | |
53 | } | |
54 | ||
ad756a16 MJ |
55 | static inline bool guest_cpuid_has_pcid(struct kvm_vcpu *vcpu) |
56 | { | |
57 | struct kvm_cpuid_entry2 *best; | |
58 | ||
59 | best = kvm_find_cpuid_entry(vcpu, 1, 0); | |
60 | return best && (best->ecx & bit(X86_FEATURE_PCID)); | |
61 | } | |
62 | ||
00b27a3e | 63 | #endif |