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Diffstat (limited to 'arch/x86/kvm/xen.h')
-rw-r--r--arch/x86/kvm/xen.h30
1 files changed, 26 insertions, 4 deletions
diff --git a/arch/x86/kvm/xen.h b/arch/x86/kvm/xen.h
index f5841d9000ae..59e6128a7bd3 100644
--- a/arch/x86/kvm/xen.h
+++ b/arch/x86/kvm/xen.h
@@ -9,6 +9,7 @@
#ifndef __ARCH_X86_KVM_XEN_H__
#define __ARCH_X86_KVM_XEN_H__
+#include <asm/xen/cpuid.h>
#include <asm/xen/hypervisor.h>
#ifdef CONFIG_KVM_XEN
@@ -35,7 +36,6 @@ int kvm_xen_set_evtchn_fast(struct kvm_xen_evtchn *xe,
int kvm_xen_setup_evtchn(struct kvm *kvm,
struct kvm_kernel_irq_routing_entry *e,
const struct kvm_irq_routing_entry *ue);
-void kvm_xen_update_tsc_info(struct kvm_vcpu *vcpu);
static inline void kvm_xen_sw_enable_lapic(struct kvm_vcpu *vcpu)
{
@@ -50,16 +50,32 @@ static inline void kvm_xen_sw_enable_lapic(struct kvm_vcpu *vcpu)
kvm_xen_inject_vcpu_vector(vcpu);
}
+static inline bool kvm_xen_is_tsc_leaf(struct kvm_vcpu *vcpu, u32 function)
+{
+ return static_branch_unlikely(&kvm_xen_enabled.key) &&
+ vcpu->arch.xen.cpuid.base &&
+ function <= vcpu->arch.xen.cpuid.limit &&
+ function == (vcpu->arch.xen.cpuid.base | XEN_CPUID_LEAF(3));
+}
+
static inline bool kvm_xen_msr_enabled(struct kvm *kvm)
{
return static_branch_unlikely(&kvm_xen_enabled.key) &&
- kvm->arch.xen_hvm_config.msr;
+ kvm->arch.xen.hvm_config.msr;
+}
+
+static inline bool kvm_xen_is_hypercall_page_msr(struct kvm *kvm, u32 msr)
+{
+ if (!static_branch_unlikely(&kvm_xen_enabled.key))
+ return false;
+
+ return msr && msr == kvm->arch.xen.hvm_config.msr;
}
static inline bool kvm_xen_hypercall_enabled(struct kvm *kvm)
{
return static_branch_unlikely(&kvm_xen_enabled.key) &&
- (kvm->arch.xen_hvm_config.flags &
+ (kvm->arch.xen.hvm_config.flags &
KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL);
}
@@ -124,6 +140,11 @@ static inline bool kvm_xen_msr_enabled(struct kvm *kvm)
return false;
}
+static inline bool kvm_xen_is_hypercall_page_msr(struct kvm *kvm, u32 msr)
+{
+ return false;
+}
+
static inline bool kvm_xen_hypercall_enabled(struct kvm *kvm)
{
return false;
@@ -157,8 +178,9 @@ static inline bool kvm_xen_timer_enabled(struct kvm_vcpu *vcpu)
return false;
}
-static inline void kvm_xen_update_tsc_info(struct kvm_vcpu *vcpu)
+static inline bool kvm_xen_is_tsc_leaf(struct kvm_vcpu *vcpu, u32 function)
{
+ return false;
}
#endif