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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); | |
20 | ||
21 | ||
22 | static 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 | ||
30 | static 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 | ||
38 | static 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 | ||
46 | #endif |