projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 00b27a3e AK |
1 | #ifndef ARCH_X86_KVM_CPUID_H |
| 2 | #define ARCH_X86_KVM_CPUID_H | |
| 3 | ||
| 4 | #include "x86.h" | |
| 5 | ||
| dd598091 | 6 | int kvm_update_cpuid(struct kvm_vcpu *vcpu); |
| 00b27a3e AK |
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 | ||
| a0c0feb5 PB |
91 | static 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 | ||
| 5f7dde7b NA |
99 | static 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 | } | |
| 6f43ed01 NA |
106 | |
| 107 | static 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 | } | |
| 00b27a3e | 114 | #endif |