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diff --git a/qemu/roms/ipxe/src/include/ipxe/efi/Protocol/DiskIo.h b/qemu/roms/ipxe/src/include/ipxe/efi/Protocol/DiskIo.h
new file mode 100644
index 000000000..1b47ce520
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/efi/Protocol/DiskIo.h
@@ -0,0 +1,119 @@
+/** @file
+  Disk IO protocol as defined in the UEFI 2.0 specification.
+
+  The Disk IO protocol is used to convert block oriented devices into byte
+  oriented devices. The Disk IO protocol is intended to layer on top of the
+  Block IO protocol.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __DISK_IO_H__
+#define __DISK_IO_H__
+
+FILE_LICENCE ( BSD3 );
+
+#define EFI_DISK_IO_PROTOCOL_GUID \
+  { \
+    0xce345171, 0xba0b, 0x11d2, {0x8e, 0x4f, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
+  }
+
+///
+/// Protocol GUID name defined in EFI1.1.
+///
+#define DISK_IO_PROTOCOL  EFI_DISK_IO_PROTOCOL_GUID
+
+typedef struct _EFI_DISK_IO_PROTOCOL EFI_DISK_IO_PROTOCOL;
+
+///
+/// Protocol defined in EFI1.1.
+///
+typedef EFI_DISK_IO_PROTOCOL  EFI_DISK_IO;
+
+/**
+  Read BufferSize bytes from Offset into Buffer.
+
+  @param  This                  Protocol instance pointer.
+  @param  MediaId               Id of the media, changes every time the media is replaced.
+  @param  Offset                The starting byte offset to read from
+  @param  BufferSize            Size of Buffer
+  @param  Buffer                Buffer containing read data
+
+  @retval EFI_SUCCESS           The data was read correctly from the device.
+  @retval EFI_DEVICE_ERROR      The device reported an error while performing the read.
+  @retval EFI_NO_MEDIA          There is no media in the device.
+  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_INVALID_PARAMETER The read request contains device addresses that are not
+                                valid for the device.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DISK_READ)(
+  IN EFI_DISK_IO_PROTOCOL         *This,
+  IN UINT32                       MediaId,
+  IN UINT64                       Offset,
+  IN UINTN                        BufferSize,
+  OUT VOID                        *Buffer
+  );
+
+/**
+  Writes a specified number of bytes to a device.
+
+  @param  This       Indicates a pointer to the calling context.
+  @param  MediaId    ID of the medium to be written.
+  @param  Offset     The starting byte offset on the logical block I/O device to write.
+  @param  BufferSize The size in bytes of Buffer. The number of bytes to write to the device.
+  @param  Buffer     A pointer to the buffer containing the data to be written.
+
+  @retval EFI_SUCCESS           The data was written correctly to the device.
+  @retval EFI_WRITE_PROTECTED   The device can not be written to.
+  @retval EFI_DEVICE_ERROR      The device reported an error while performing the write.
+  @retval EFI_NO_MEDIA          There is no media in the device.
+  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_INVALID_PARAMETER The write request contains device addresses that are not
+                                 valid for the device.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DISK_WRITE)(
+  IN EFI_DISK_IO_PROTOCOL         *This,
+  IN UINT32                       MediaId,
+  IN UINT64                       Offset,
+  IN UINTN                        BufferSize,
+  IN VOID                         *Buffer
+  );
+
+#define EFI_DISK_IO_PROTOCOL_REVISION 0x00010000
+
+///
+/// Revision defined in EFI1.1
+///
+#define EFI_DISK_IO_INTERFACE_REVISION  EFI_DISK_IO_PROTOCOL_REVISION
+
+///
+/// This protocol is used to abstract Block I/O interfaces.
+///
+struct _EFI_DISK_IO_PROTOCOL {
+  ///
+  /// The revision to which the disk I/O interface adheres. All future
+  /// revisions must be backwards compatible. If a future version is not
+  /// backwards compatible, it is not the same GUID.
+  ///
+  UINT64          Revision;
+  EFI_DISK_READ   ReadDisk;
+  EFI_DISK_WRITE  WriteDisk;
+};
+
+extern EFI_GUID gEfiDiskIoProtocolGuid;
+
+#endif