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/** @file
Provides decompression services to the PEI Foundatoin.
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.
@par Revision Reference:
This PPI is introduced in PI Version 1.0.
**/
#ifndef __DECOMPRESS_PPI_H__
#define __DECOMPRESS_PPI_H__
#define EFI_PEI_DECOMPRESS_PPI_GUID \
{ 0x1a36e4e7, 0xfab6, 0x476a, { 0x8e, 0x75, 0x69, 0x5a, 0x5, 0x76, 0xfd, 0xd7 } }
typedef struct _EFI_PEI_DECOMPRESS_PPI EFI_PEI_DECOMPRESS_PPI;
/**
Decompress a single compression section in a firmware file.
Decompresses the data in a compressed section and returns it
as a series of standard PI Firmware File Sections. The
required memory is allocated from permanent memory.
@param This Points to this instance of the
EFI_PEI_DECOMPRESS_PEI PPI.
@param InputSection Points to the compressed section.
@param OutputBuffer Holds the returned pointer to the
decompressed sections.
@param OutputSize Holds the returned size of the decompress
section streams.
@retval EFI_SUCCESS The section was decompressed
successfully. OutputBuffer contains the
resulting data and OutputSize contains
the resulting size.
@retval EFI_OUT_OF_RESOURCES Unable to allocate sufficient
memory to hold the decompressed data.
@retval EFI_UNSUPPORTED The compression type specified
in the compression header is unsupported.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_DECOMPRESS_DECOMPRESS)(
IN CONST EFI_PEI_DECOMPRESS_PPI *This,
IN CONST EFI_COMPRESSION_SECTION *InputSection,
OUT VOID **OutputBuffer,
OUT UINTN *OutputSize
);
///
/// This PPI's single member function decompresses a compression
/// encapsulated section. It is used by the PEI Foundation to
/// process sectioned files. Prior to the installation of this PPI,
/// compression sections will be ignored.
///
struct _EFI_PEI_DECOMPRESS_PPI {
EFI_PEI_DECOMPRESS_DECOMPRESS Decompress;
};
extern EFI_GUID gEfiPeiDecompressPpiGuid;
#endif
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