1 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/kvm/kvm_onhyperv.h b/arch/x86/kvm/kvm_onhyperv.h
new file mode 100644
index 000000000..f9ca3e743
--- /dev/null
+++ b/arch/x86/kvm/kvm_onhyperv.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * KVM L1 hypervisor optimizations on Hyper-V.
+ */
+
+#ifndef __ARCH_X86_KVM_KVM_ONHYPERV_H__
+#define __ARCH_X86_KVM_KVM_ONHYPERV_H__
+
+#if IS_ENABLED(CONFIG_HYPERV)
+int hv_flush_remote_tlbs_range(struct kvm *kvm, gfn_t gfn, gfn_t nr_pages);
+int hv_flush_remote_tlbs(struct kvm *kvm);
+void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp);
+#else /* !CONFIG_HYPERV */
+static inline int hv_flush_remote_tlbs(struct kvm *kvm)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void hv_track_root_tdp(struct kvm_vcpu *vcpu, hpa_t root_tdp)
+{
+}
+#endif /* !CONFIG_HYPERV */
+
+#endif