forked from Minki/linux
00b27a3efb
The cpuid code has grown; put it into a separate file. Signed-off-by: Avi Kivity <avi@redhat.com>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#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
|