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| author | Avi Kivity <avi@redhat.com> | 2011-11-23 16:30:32 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-12-27 11:21:49 +0200 |
| commit | 00b27a3efb116062ca5a276ad5cb01ea1b80b5f6 (patch) | |
| tree | 51d910e618eaad99ec034ef72b535e8cad06ffe5 /arch/x86/kvm/cpuid.h | |
| parent | 2b5e97e1fadf1ade87558f2a2003616879f9e228 (diff) | |
| download | linux-00b27a3efb116062ca5a276ad5cb01ea1b80b5f6.tar.bz2 | |
KVM: Move cpuid code to new file
The cpuid code has grown; put it into a separate file.
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.h')
| -rw-r--r-- | arch/x86/kvm/cpuid.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h new file mode 100644 index 000000000000..5b97e1797a6d --- /dev/null +++ b/arch/x86/kvm/cpuid.h @@ -0,0 +1,46 @@ +#ifndef ARCH_X86_KVM_CPUID_H +#define ARCH_X86_KVM_CPUID_H + +#include "x86.h" + +void kvm_update_cpuid(struct kvm_vcpu *vcpu); +struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, + u32 function, u32 index); +int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, + struct kvm_cpuid_entry2 __user *entries); +int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu, + struct kvm_cpuid *cpuid, + struct kvm_cpuid_entry __user *entries); +int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, + struct kvm_cpuid2 *cpuid, + struct kvm_cpuid_entry2 __user *entries); +int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu, + struct kvm_cpuid2 *cpuid, + struct kvm_cpuid_entry2 __user *entries); + + +static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu) +{ + struct kvm_cpuid_entry2 *best; + + best = kvm_find_cpuid_entry(vcpu, 1, 0); + return best && (best->ecx & bit(X86_FEATURE_XSAVE)); +} + +static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu) +{ + struct kvm_cpuid_entry2 *best; + + best = kvm_find_cpuid_entry(vcpu, 7, 0); + return best && (best->ebx & bit(X86_FEATURE_SMEP)); +} + +static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu) +{ + struct kvm_cpuid_entry2 *best; + + best = kvm_find_cpuid_entry(vcpu, 7, 0); + return best && (best->ebx & bit(X86_FEATURE_FSGSBASE)); +} + +#endif |