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-rw-r--r--OvmfPkg/Include/IndustryStandard/Virtio.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/Virtio.h b/OvmfPkg/Include/IndustryStandard/Virtio.h
index 5e2e8f4c6f..ff4b71c84c 100644
--- a/OvmfPkg/Include/IndustryStandard/Virtio.h
+++ b/OvmfPkg/Include/IndustryStandard/Virtio.h
@@ -14,6 +14,9 @@
**/
+#ifndef _VIRTIO_H_
+#define _VIRTIO_H_
+
#include <Base.h>
@@ -174,3 +177,5 @@ typedef struct {
#define VIRTIO_BLK_S_OK 0x00
#define VIRTIO_BLK_S_IOERR 0x01
#define VIRTIO_BLK_S_UNSUPP 0x02
+
+#endif // _VIRTIO_H_