Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 2b721118b7821107757eb1d37af4b60e877b27e7 / . / arch / x86 / kvm / cpuid.h
blob: b7fd07984888e9f348c04df9043c6596928c1cd3 [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);
Avi Kivity62046e52012-06-07 14:07:48 +0300[diff] [blame]20void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]21
22
23static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
24{
25 struct kvm_cpuid_entry2 *best;
26
Petr Matousek6d1068b2012-11-06 19:24:07 +0100[diff] [blame]27 if (!static_cpu_has(X86_FEATURE_XSAVE))
28 return 0;
29
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]30 best = kvm_find_cpuid_entry(vcpu, 1, 0);
31 return best && (best->ecx & bit(X86_FEATURE_XSAVE));
32}
33
Will Auldba904632012-11-29 12:42:50 -0800[diff] [blame]34static inline bool guest_cpuid_has_tsc_adjust(struct kvm_vcpu *vcpu)
35{
36 struct kvm_cpuid_entry2 *best;
37
38 best = kvm_find_cpuid_entry(vcpu, 7, 0);
39 return best && (best->ebx & bit(X86_FEATURE_TSC_ADJUST));
40}
41
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]42static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu)
43{
44 struct kvm_cpuid_entry2 *best;
45
46 best = kvm_find_cpuid_entry(vcpu, 7, 0);
47 return best && (best->ebx & bit(X86_FEATURE_SMEP));
48}
49
50static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu)
51{
52 struct kvm_cpuid_entry2 *best;
53
54 best = kvm_find_cpuid_entry(vcpu, 7, 0);
55 return best && (best->ebx & bit(X86_FEATURE_FSGSBASE));
56}
57
Boris Ostrovsky2b036c62012-01-09 14:00:35 -0500[diff] [blame]58static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu)
59{
60 struct kvm_cpuid_entry2 *best;
61
62 best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
63 return best && (best->ecx & bit(X86_FEATURE_OSVW));
64}
65
Mao, Junjiead756a12012-07-02 01:18:48 +0000[diff] [blame]66static inline bool guest_cpuid_has_pcid(struct kvm_vcpu *vcpu)
67{
68 struct kvm_cpuid_entry2 *best;
69
70 best = kvm_find_cpuid_entry(vcpu, 1, 0);
71 return best && (best->ecx & bit(X86_FEATURE_PCID));
72}
73
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]74#endif