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+/** @file
+ Load File protocol as defined in the UEFI 2.0 specification.
+
+ Load file protocol exists to supports the addition of new boot devices,
+ and to support booting from devices that do not map well to file system.
+ Network boot is done via a LoadFile protocol.
+
+ UEFI 2.0 can boot from any device that produces a LoadFile 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 __EFI_LOAD_FILE2_PROTOCOL_H__
+#define __EFI_LOAD_FILE2_PROTOCOL_H__
+
+#define EFI_LOAD_FILE2_PROTOCOL_GUID \
+ { \
+ 0x4006c0c1, 0xfcb3, 0x403e, {0x99, 0x6d, 0x4a, 0x6c, 0x87, 0x24, 0xe0, 0x6d } \
+ }
+
+///
+/// Protocol Guid defined by UEFI2.1.
+///
+#define LOAD_FILE2_PROTOCOL EFI_LOAD_FILE2_PROTOCOL_GUID
+
+typedef struct _EFI_LOAD_FILE2_PROTOCOL EFI_LOAD_FILE2_PROTOCOL;
+
+
+/**
+ Causes the driver to load a specified file.
+
+ @param This Protocol instance pointer.
+ @param FilePath The device specific path of the file to load.
+ @param BootPolicy Should always be FALSE.
+ @param BufferSize On input the size of Buffer in bytes. On output with a return
+ code of EFI_SUCCESS, the amount of data transferred to
+ Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL,
+ the size of Buffer required to retrieve the requested file.
+ @param Buffer The memory buffer to transfer the file to. IF Buffer is NULL,
+ then no the size of the requested file is returned in
+ BufferSize.
+
+ @retval EFI_SUCCESS The file was loaded.
+ @retval EFI_UNSUPPORTED BootPolicy is TRUE.
+ @retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or
+ BufferSize is NULL.
+ @retval EFI_NO_MEDIA No medium was present to load the file.
+ @retval EFI_DEVICE_ERROR The file was not loaded due to a device error.
+ @retval EFI_NO_RESPONSE The remote system did not respond.
+ @retval EFI_NOT_FOUND The file was not found
+ @retval EFI_ABORTED The file load process was manually canceled.
+ @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current
+ directory entry. BufferSize has been updated with
+ the size needed to complete the request.
+
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LOAD_FILE2)(
+ IN EFI_LOAD_FILE2_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ IN BOOLEAN BootPolicy,
+ IN OUT UINTN *BufferSize,
+ IN VOID *Buffer OPTIONAL
+ );
+
+///
+/// The EFI_LOAD_FILE_PROTOCOL is a simple protocol used to obtain files from arbitrary devices.
+///
+struct _EFI_LOAD_FILE2_PROTOCOL {
+ EFI_LOAD_FILE2 LoadFile;
+};
+
+extern EFI_GUID gEfiLoadFile2ProtocolGuid;
+
+#endif