| Avi Kivity | 00b27a3 | 2011-11-23 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 | |
| 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); |
| 9 | int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, |
| 10 | struct kvm_cpuid_entry2 __user *entries); |
| 11 | int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu, |
| 12 | struct kvm_cpuid *cpuid, |
| 13 | struct kvm_cpuid_entry __user *entries); |
| 14 | int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, |
| 15 | struct kvm_cpuid2 *cpuid, |
| 16 | struct kvm_cpuid_entry2 __user *entries); |
| 17 | int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu, |
| 18 | struct kvm_cpuid2 *cpuid, |
| 19 | struct kvm_cpuid_entry2 __user *entries); |
| Avi Kivity | 62046e5 | 2012-06-07 14:07:48 +0300 | [diff] [blame] | 20 | void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx); |
| Avi Kivity | 00b27a3 | 2011-11-23 16:30:32 +0200 | [diff] [blame] | 21 | |
| 22 | |
| 23 | static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu) |
| 24 | { |
| 25 | struct kvm_cpuid_entry2 *best; |
| 26 | |
| 27 | best = kvm_find_cpuid_entry(vcpu, 1, 0); |
| 28 | return best && (best->ecx & bit(X86_FEATURE_XSAVE)); |
| 29 | } |
| 30 | |
| 31 | static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu) |
| 32 | { |
| 33 | struct kvm_cpuid_entry2 *best; |
| 34 | |
| 35 | best = kvm_find_cpuid_entry(vcpu, 7, 0); |
| 36 | return best && (best->ebx & bit(X86_FEATURE_SMEP)); |
| 37 | } |
| 38 | |
| 39 | static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu) |
| 40 | { |
| 41 | struct kvm_cpuid_entry2 *best; |
| 42 | |
| 43 | best = kvm_find_cpuid_entry(vcpu, 7, 0); |
| 44 | return best && (best->ebx & bit(X86_FEATURE_FSGSBASE)); |
| 45 | } |
| 46 | |
| Boris Ostrovsky | 2b036c6 | 2012-01-09 14:00:35 -0500 | [diff] [blame] | 47 | static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu) |
| 48 | { |
| 49 | struct kvm_cpuid_entry2 *best; |
| 50 | |
| 51 | best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0); |
| 52 | return best && (best->ecx & bit(X86_FEATURE_OSVW)); |
| 53 | } |
| 54 | |
| Mao, Junjie | ad756a1 | 2012-07-02 01:18:48 +0000 | [diff] [blame] | 55 | static inline bool guest_cpuid_has_pcid(struct kvm_vcpu *vcpu) |
| 56 | { |
| 57 | struct kvm_cpuid_entry2 *best; |
| 58 | |
| 59 | best = kvm_find_cpuid_entry(vcpu, 1, 0); |
| 60 | return best && (best->ecx & bit(X86_FEATURE_PCID)); |
| 61 | } |
| 62 | |
| Avi Kivity | 00b27a3 | 2011-11-23 16:30:32 +0200 | [diff] [blame] | 63 | #endif |