1 files changed, 12 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/VirtioFs.h b/OvmfPkg/Include/IndustryStandard/VirtioFs.h
index c481053255..c17a43c160 100644
--- a/OvmfPkg/Include/IndustryStandard/VirtioFs.h
+++ b/OvmfPkg/Include/IndustryStandard/VirtioFs.h
@@ -80,8 +80,10 @@ typedef struct {
 // FUSE operation codes.
 //
 typedef enum {
+  VirtioFsFuseOpRelease     = 18,
   VirtioFsFuseOpInit        = 26,
   VirtioFsFuseOpOpenDir     = 27,
+  VirtioFsFuseOpReleaseDir  = 29,
 } VIRTIO_FS_FUSE_OPCODE;
 
 #pragma pack (1)
@@ -106,6 +108,16 @@ typedef struct {
 } VIRTIO_FS_FUSE_RESPONSE;
 
 //
+// Header for VirtioFsFuseOpRelease and VirtioFsFuseOpReleaseDir.
+//
+typedef struct {
+  UINT64 FileHandle;
+  UINT32 Flags;
+  UINT32 ReleaseFlags;
+  UINT64 LockOwner;
+} VIRTIO_FS_FUSE_RELEASE_REQUEST;
+
+//
 // Headers for VirtioFsFuseOpInit.
 //
 typedef struct {