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-rw-r--r--OvmfPkg/Include/IndustryStandard/Xen/xen.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/Xen/xen.h b/OvmfPkg/Include/IndustryStandard/Xen/xen.h
index 79697fcb61..1cd7ab3ab1 100644
--- a/OvmfPkg/Include/IndustryStandard/Xen/xen.h
+++ b/OvmfPkg/Include/IndustryStandard/Xen/xen.h
@@ -27,6 +27,11 @@
#ifndef __XEN_PUBLIC_XEN_H__
#define __XEN_PUBLIC_XEN_H__
+//
+// Xen interface version used by Tianocore
+//
+#define __XEN_INTERFACE_VERSION__ 0x00040400
+
#include "xen-compat.h"
#if defined(MDE_CPU_IA32) || defined(MDE_CPU_X64)