Commit | Line | Data |
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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); | |
9c15bb1d BP |
9 | int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid, |
10 | struct kvm_cpuid_entry2 __user *entries, | |
11 | unsigned int type); | |
00b27a3e AK |
12 | int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu, |
13 | struct kvm_cpuid *cpuid, | |
14 | struct kvm_cpuid_entry __user *entries); | |
15 | int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, | |
16 | struct kvm_cpuid2 *cpuid, | |
17 | struct kvm_cpuid_entry2 __user *entries); | |
18 | int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu, | |
19 | struct kvm_cpuid2 *cpuid, | |
20 | struct kvm_cpuid_entry2 __user *entries); | |
62046e5a | 21 | void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx); |
00b27a3e AK |
22 | |
23 | ||
24 | static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu) | |
25 | { | |
26 | struct kvm_cpuid_entry2 *best; | |
27 | ||
6d1068b3 PM |
28 | if (!static_cpu_has(X86_FEATURE_XSAVE)) |
29 | return 0; | |
30 | ||
00b27a3e AK |
31 | best = kvm_find_cpuid_entry(vcpu, 1, 0); |
32 | return best && (best->ecx & bit(X86_FEATURE_XSAVE)); | |
33 | } | |
34 | ||
ba904635 WA |
35 | static inline bool guest_cpuid_has_tsc_adjust(struct kvm_vcpu *vcpu) |
36 | { | |
37 | struct kvm_cpuid_entry2 *best; | |
38 | ||
39 | best = kvm_find_cpuid_entry(vcpu, 7, 0); | |
40 | return best && (best->ebx & bit(X86_FEATURE_TSC_ADJUST)); | |
41 | } | |
42 | ||
00b27a3e AK |
43 | static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu) |
44 | { | |
45 | struct kvm_cpuid_entry2 *best; | |
46 | ||
47 | best = kvm_find_cpuid_entry(vcpu, 7, 0); | |
48 | return best && (best->ebx & bit(X86_FEATURE_SMEP)); | |
49 | } | |
50 | ||
97ec8c06 FW |
51 | static inline bool guest_cpuid_has_smap(struct kvm_vcpu *vcpu) |
52 | { | |
53 | struct kvm_cpuid_entry2 *best; | |
54 | ||
55 | best = kvm_find_cpuid_entry(vcpu, 7, 0); | |
56 | return best && (best->ebx & bit(X86_FEATURE_SMAP)); | |
57 | } | |
58 | ||
00b27a3e AK |
59 | static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu) |
60 | { | |
61 | struct kvm_cpuid_entry2 *best; | |
62 | ||
63 | best = kvm_find_cpuid_entry(vcpu, 7, 0); | |
64 | return best && (best->ebx & bit(X86_FEATURE_FSGSBASE)); | |
65 | } | |
66 | ||
2b036c6b BO |
67 | static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu) |
68 | { | |
69 | struct kvm_cpuid_entry2 *best; | |
70 | ||
71 | best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0); | |
72 | return best && (best->ecx & bit(X86_FEATURE_OSVW)); | |
73 | } | |
74 | ||
ad756a16 MJ |
75 | static inline bool guest_cpuid_has_pcid(struct kvm_vcpu *vcpu) |
76 | { | |
77 | struct kvm_cpuid_entry2 *best; | |
78 | ||
79 | best = kvm_find_cpuid_entry(vcpu, 1, 0); | |
80 | return best && (best->ecx & bit(X86_FEATURE_PCID)); | |
81 | } | |
82 | ||
58cb628d JK |
83 | static inline bool guest_cpuid_has_x2apic(struct kvm_vcpu *vcpu) |
84 | { | |
85 | struct kvm_cpuid_entry2 *best; | |
86 | ||
87 | best = kvm_find_cpuid_entry(vcpu, 1, 0); | |
88 | return best && (best->ecx & bit(X86_FEATURE_X2APIC)); | |
89 | } | |
90 | ||
00b27a3e | 91 | #endif |