1 files changed, 30 insertions, 2 deletions
diff --git a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.h b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.h
index f2f6185317..c763c676a9 100644
--- a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.h
+++ b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.h
@@ -1,7 +1,7 @@
 /** @file
   Partition driver that produces logical BlockIo devices from a physical 
   BlockIo device. The logical BlockIo devices are based on the format
-  of the raw block devices media. Currently "El Torito CD-ROM", Legacy 
+  of the raw block devices media. Currently "El Torito CD-ROM", UDF, Legacy
   MBR, and GPT partition schemes are supported.
 
 Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
@@ -39,7 +39,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #include <IndustryStandard/Mbr.h>
 #include <IndustryStandard/ElTorito.h>
-
+#include <IndustryStandard/Udf.h>
 
 //
 // Partition private data
@@ -445,6 +445,34 @@ PartitionInstallMbrChildHandles (
   IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
   );
 
+/**
+  Install child handles if the Handle supports UDF/ECMA-167 volume format.
+
+  @param[in]  This        Calling context.
+  @param[in]  Handle      Parent Handle.
+  @param[in]  DiskIo      Parent DiskIo interface.
+  @param[in]  DiskIo2     Parent DiskIo2 interface.
+  @param[in]  BlockIo     Parent BlockIo interface.
+  @param[in]  BlockIo2    Parent BlockIo2 interface.
+  @param[in]  DevicePath  Parent Device Path
+
+
+  @retval EFI_SUCCESS         Child handle(s) was added.
+  @retval EFI_MEDIA_CHANGED   Media changed Detected.
+  @retval other               no child handle was added.
+
+**/
+EFI_STATUS
+PartitionInstallUdfChildHandles (
+  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
+  IN  EFI_HANDLE                   Handle,
+  IN  EFI_DISK_IO_PROTOCOL         *DiskIo,
+  IN  EFI_DISK_IO2_PROTOCOL        *DiskIo2,
+  IN  EFI_BLOCK_IO_PROTOCOL        *BlockIo,
+  IN  EFI_BLOCK_IO2_PROTOCOL       *BlockIo2,
+  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
+  );
+
 typedef
 EFI_STATUS
 (*PARTITION_DETECT_ROUTINE) (