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gerrit-public.fairphone.software / kernel / msm-4.9 / 1d804d079a92138d011900785193b6b00b44bc00 / . / arch / x86 / kvm / cpuid.h
blob: 26228466f3f838d2b572244dc6f7680f7e061a68 [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
Nadav Amitdd598092014-09-16 15:10:03 +0300[diff] [blame]6int kvm_update_cpuid(struct kvm_vcpu *vcpu);
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]7struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
8 u32 function, u32 index);
Borislav Petkov9c15bb12013-09-22 16:44:50 +0200[diff] [blame]9int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,
10 struct kvm_cpuid_entry2 __user *entries,
11 unsigned int type);
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]12int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
13 struct kvm_cpuid *cpuid,
14 struct kvm_cpuid_entry __user *entries);
15int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
16 struct kvm_cpuid2 *cpuid,
17 struct kvm_cpuid_entry2 __user *entries);
18int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
19 struct kvm_cpuid2 *cpuid,
20 struct kvm_cpuid_entry2 __user *entries);
Avi Kivity62046e52012-06-07 14:07:48 +0300[diff] [blame]21void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]22
23
24static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
25{
26 struct kvm_cpuid_entry2 *best;
27
Petr Matousek6d1068b2012-11-06 19:24:07 +0100[diff] [blame]28 if (!static_cpu_has(X86_FEATURE_XSAVE))
Joe Perches1d804d02015-03-30 16:46:09 -0700[diff] [blame^]29 return false;
Petr Matousek6d1068b2012-11-06 19:24:07 +0100[diff] [blame]30
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]31 best = kvm_find_cpuid_entry(vcpu, 1, 0);
32 return best && (best->ecx & bit(X86_FEATURE_XSAVE));
33}
34
Will Auldba904632012-11-29 12:42:50 -0800[diff] [blame]35static 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
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]43static 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
Feng Wu97ec8c02014-04-01 17:46:34 +0800[diff] [blame]51static 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
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]59static 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
Boris Ostrovsky2b036c62012-01-09 14:00:35 -0500[diff] [blame]67static 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
Mao, Junjiead756a12012-07-02 01:18:48 +0000[diff] [blame]75static 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
Jan Kiszka58cb6282014-01-24 16:48:44 +0100[diff] [blame]83static 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
Paolo Bonzinia0c0feb2014-09-02 13:24:12 +0200[diff] [blame]91static inline bool guest_cpuid_is_amd(struct kvm_vcpu *vcpu)
92{
93 struct kvm_cpuid_entry2 *best;
94
95 best = kvm_find_cpuid_entry(vcpu, 0, 0);
96 return best && best->ebx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx;
97}
98
Nadav Amit5f7dde72014-05-07 15:32:50 +0300[diff] [blame]99static inline bool guest_cpuid_has_gbpages(struct kvm_vcpu *vcpu)
100{
101 struct kvm_cpuid_entry2 *best;
102
103 best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
104 return best && (best->edx & bit(X86_FEATURE_GBPAGES));
105}
Nadav Amit6f43ed02014-07-15 17:37:46 +0300[diff] [blame]106
107static inline bool guest_cpuid_has_rtm(struct kvm_vcpu *vcpu)
108{
109 struct kvm_cpuid_entry2 *best;
110
111 best = kvm_find_cpuid_entry(vcpu, 7, 0);
112 return best && (best->ebx & bit(X86_FEATURE_RTM));
113}
Avi Kivity00b27a32011-11-23 16:30:32 +0200[diff] [blame]114#endif