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Diffstat (limited to 'arch/x86/kvm/mmu/spte.h')
-rw-r--r--arch/x86/kvm/mmu/spte.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h
index 1e94f081bdaf..3133f066927e 100644
--- a/arch/x86/kvm/mmu/spte.h
+++ b/arch/x86/kvm/mmu/spte.h
@@ -280,6 +280,16 @@ static inline bool is_mirror_sptep(tdp_ptep_t sptep)
return is_mirror_sp(sptep_to_sp(rcu_dereference(sptep)));
}
+static inline bool kvm_vcpu_can_access_host_mmio(struct kvm_vcpu *vcpu)
+{
+ struct kvm_mmu_page *root = root_to_sp(vcpu->arch.mmu->root.hpa);
+
+ if (root)
+ return READ_ONCE(root->has_mapped_host_mmio);
+
+ return READ_ONCE(vcpu->kvm->arch.has_mapped_host_mmio);
+}
+
static inline bool is_mmio_spte(struct kvm *kvm, u64 spte)
{
return (spte & shadow_mmio_mask) == kvm->arch.shadow_mmio_value &&