Merge branches 'arm/rockchip', 'arm/exynos', 'arm/smmu', 'x86/vt-d', 'x86/amd', ...
[sfrench/cifs-2.6.git] / arch / x86 / kvm / cpuid.h
1 #ifndef ARCH_X86_KVM_CPUID_H
2 #define ARCH_X86_KVM_CPUID_H
3
4 #include "x86.h"
5
6 int 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_cpuid(struct kvm_cpuid2 *cpuid,
10                             struct kvm_cpuid_entry2 __user *entries,
11                             unsigned int type);
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);
21 void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
22
23 int cpuid_query_maxphyaddr(struct kvm_vcpu *vcpu);
24
25 static inline int cpuid_maxphyaddr(struct kvm_vcpu *vcpu)
26 {
27         return vcpu->arch.maxphyaddr;
28 }
29
30 static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
31 {
32         struct kvm_cpuid_entry2 *best;
33
34         if (!static_cpu_has(X86_FEATURE_XSAVE))
35                 return false;
36
37         best = kvm_find_cpuid_entry(vcpu, 1, 0);
38         return best && (best->ecx & bit(X86_FEATURE_XSAVE));
39 }
40
41 static inline bool guest_cpuid_has_tsc_adjust(struct kvm_vcpu *vcpu)
42 {
43         struct kvm_cpuid_entry2 *best;
44
45         best = kvm_find_cpuid_entry(vcpu, 7, 0);
46         return best && (best->ebx & bit(X86_FEATURE_TSC_ADJUST));
47 }
48
49 static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu)
50 {
51         struct kvm_cpuid_entry2 *best;
52
53         best = kvm_find_cpuid_entry(vcpu, 7, 0);
54         return best && (best->ebx & bit(X86_FEATURE_SMEP));
55 }
56
57 static inline bool guest_cpuid_has_smap(struct kvm_vcpu *vcpu)
58 {
59         struct kvm_cpuid_entry2 *best;
60
61         best = kvm_find_cpuid_entry(vcpu, 7, 0);
62         return best && (best->ebx & bit(X86_FEATURE_SMAP));
63 }
64
65 static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu)
66 {
67         struct kvm_cpuid_entry2 *best;
68
69         best = kvm_find_cpuid_entry(vcpu, 7, 0);
70         return best && (best->ebx & bit(X86_FEATURE_FSGSBASE));
71 }
72
73 static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu)
74 {
75         struct kvm_cpuid_entry2 *best;
76
77         best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
78         return best && (best->ecx & bit(X86_FEATURE_OSVW));
79 }
80
81 static inline bool guest_cpuid_has_pcid(struct kvm_vcpu *vcpu)
82 {
83         struct kvm_cpuid_entry2 *best;
84
85         best = kvm_find_cpuid_entry(vcpu, 1, 0);
86         return best && (best->ecx & bit(X86_FEATURE_PCID));
87 }
88
89 static inline bool guest_cpuid_has_x2apic(struct kvm_vcpu *vcpu)
90 {
91         struct kvm_cpuid_entry2 *best;
92
93         best = kvm_find_cpuid_entry(vcpu, 1, 0);
94         return best && (best->ecx & bit(X86_FEATURE_X2APIC));
95 }
96
97 static inline bool guest_cpuid_is_amd(struct kvm_vcpu *vcpu)
98 {
99         struct kvm_cpuid_entry2 *best;
100
101         best = kvm_find_cpuid_entry(vcpu, 0, 0);
102         return best && best->ebx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx;
103 }
104
105 static inline bool guest_cpuid_has_gbpages(struct kvm_vcpu *vcpu)
106 {
107         struct kvm_cpuid_entry2 *best;
108
109         best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
110         return best && (best->edx & bit(X86_FEATURE_GBPAGES));
111 }
112
113 static inline bool guest_cpuid_has_rtm(struct kvm_vcpu *vcpu)
114 {
115         struct kvm_cpuid_entry2 *best;
116
117         best = kvm_find_cpuid_entry(vcpu, 7, 0);
118         return best && (best->ebx & bit(X86_FEATURE_RTM));
119 }
120
121 static inline bool guest_cpuid_has_mpx(struct kvm_vcpu *vcpu)
122 {
123         struct kvm_cpuid_entry2 *best;
124
125         best = kvm_find_cpuid_entry(vcpu, 7, 0);
126         return best && (best->ebx & bit(X86_FEATURE_MPX));
127 }
128 #endif