From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/x86/kvm/cpuid.h | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 arch/x86/kvm/cpuid.h

(limited to 'arch/x86/kvm/cpuid.h')

diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
new file mode 100644
index 00000000..f1e48951
--- /dev/null
+++ b/arch/x86/kvm/cpuid.h
@@ -0,0 +1,75 @@
+#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_cpuid(struct kvm_cpuid2 *cpuid,
+			    struct kvm_cpuid_entry2 __user *entries,
+			    unsigned int type);
+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);
+void kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
+
+
+static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpuid_entry2 *best;
+
+	if (!static_cpu_has(X86_FEATURE_XSAVE))
+		return 0;
+
+	best = kvm_find_cpuid_entry(vcpu, 1, 0);
+	return best && (best->ecx & bit(X86_FEATURE_XSAVE));
+}
+
+static inline bool guest_cpuid_has_tsc_adjust(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpuid_entry2 *best;
+
+	best = kvm_find_cpuid_entry(vcpu, 7, 0);
+	return best && (best->ebx & bit(X86_FEATURE_TSC_ADJUST));
+}
+
+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));
+}
+
+static inline bool guest_cpuid_has_osvw(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpuid_entry2 *best;
+
+	best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
+	return best && (best->ecx & bit(X86_FEATURE_OSVW));
+}
+
+static inline bool guest_cpuid_has_pcid(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpuid_entry2 *best;
+
+	best = kvm_find_cpuid_entry(vcpu, 1, 0);
+	return best && (best->ecx & bit(X86_FEATURE_PCID));
+}
+
+#endif
-- 
cgit v1.3.1