audk/MdeModulePkg/Include/Protocol/FvbExtension.h

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/** @file
FVB Extension protocol that extends the FVB Class in a component fashion.
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. 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 __FVB_EXTENSION_H__
#define __FVB_EXTENSION_H__
#define EFI_FVB_EXTENSION_PROTOCOL_GUID \
{0x53a4c71b, 0xb581, 0x4170, {0x91, 0xb3, 0x8d, 0xb8, 0x7a, 0x4b, 0x5c, 0x46 } }
typedef struct _EFI_FVB_EXTENSION_PROTOCOL EFI_FVB_EXTENSION_PROTOCOL;
//
// FVB Extension Function Prototypes
//
/**
Erases and initializes a specified range of a firmware volume block
@param[in] This Pointer to the FVB Extension protocol instance
@param[in] StartLba The starting logical block index to be erased
@param[in] OffsetStartLba Offset into the starting block at which to
begin erasing
@param[in] LastLba The last logical block index to be erased
@param[in] OffsetLastLba Offset into the last block at which to end erasing
@retval EFI_SUCCESS The specified range was erased successfully
@retval EFI_ACCESS_DENIED The firmware volume block is in the WriteDisabled state
@retval EFI_DEVICE_ERROR The block device is not functioning correctly and
could not be written. Firmware device may have been
partially erased
**/
typedef
EFI_STATUS
(EFIAPI * EFI_FV_ERASE_CUSTOM_BLOCK)(
IN EFI_FVB_EXTENSION_PROTOCOL *This,
IN EFI_LBA StartLba,
IN UINTN OffsetStartLba,
IN EFI_LBA LastLba,
IN UINTN OffsetLastLba
);
//
// FVB Extension PROTOCOL
//
struct _EFI_FVB_EXTENSION_PROTOCOL {
EFI_FV_ERASE_CUSTOM_BLOCK EraseFvbCustomBlock;
};
extern EFI_GUID gEfiFvbExtensionProtocolGuid;
#endif