-/** @file\r
- LZMA Decompress Library header file\r
-\r
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#ifndef __LZMA_DECOMPRESS_H___\r
-#define __LZMA_DECOMPRESS_H___\r
-\r
-/**\r
- Examines a GUIDed section and returns the size of the decoded buffer and the\r
- size of an scratch buffer required to actually decode the data in a GUIDed section.\r
-\r
- Examines a GUIDed section specified by InputSection.\r
- If GUID for InputSection does not match the GUID that this handler supports,\r
- then RETURN_UNSUPPORTED is returned.\r
- If the required information can not be retrieved from InputSection,\r
- then RETURN_INVALID_PARAMETER is returned.\r
- If the GUID of InputSection does match the GUID that this handler supports,\r
- then the size required to hold the decoded buffer is returned in OututBufferSize,\r
- the size of an optional scratch buffer is returned in ScratchSize, and the Attributes field\r
- from EFI_GUID_DEFINED_SECTION header of InputSection is returned in SectionAttribute.\r
-\r
- If InputSection is NULL, then ASSERT().\r
- If OutputBufferSize is NULL, then ASSERT().\r
- If ScratchBufferSize is NULL, then ASSERT().\r
- If SectionAttribute is NULL, then ASSERT().\r
-\r
-\r
- @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.\r
- @param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required\r
- if the buffer specified by InputSection were decoded.\r
- @param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space\r
- if the buffer specified by InputSection were decoded.\r
- @param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes\r
- field of EFI_GUID_DEFINED_SECTION in the PI Specification.\r
-\r
- @retval RETURN_SUCCESS The information about InputSection was returned.\r
- @retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.\r
- @retval RETURN_INVALID_PARAMETER The information can not be retrieved from the section specified by InputSection.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-LzmaGuidedSectionGetInfo (\r
- IN CONST VOID *InputSection,\r
- OUT UINT32 *OutputBufferSize,\r
- OUT UINT32 *ScratchBufferSize,\r
- OUT UINT16 *SectionAttribute\r
- );\r
-\r
-/**\r
- Decompress a LZAM compressed GUIDed section into a caller allocated output buffer.\r
-\r
- Decodes the GUIDed section specified by InputSection.\r
- If GUID for InputSection does not match the GUID that this handler supports, then RETURN_UNSUPPORTED is returned.\r
- If the data in InputSection can not be decoded, then RETURN_INVALID_PARAMETER is returned.\r
- If the GUID of InputSection does match the GUID that this handler supports, then InputSection\r
- is decoded into the buffer specified by OutputBuffer and the authentication status of this\r
- decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the\r
- data in InputSection, then OutputBuffer is set to point at the data in InputSection. Otherwise,\r
- the decoded data will be placed in caller allocated buffer specified by OutputBuffer.\r
-\r
- If InputSection is NULL, then ASSERT().\r
- If OutputBuffer is NULL, then ASSERT().\r
- If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT().\r
- If AuthenticationStatus is NULL, then ASSERT().\r
-\r
-\r
- @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.\r
- @param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation.\r
- @param[out] ScratchBuffer A caller allocated buffer that may be required by this function\r
- as a scratch buffer to perform the decode operation.\r
- @param[out] AuthenticationStatus\r
- A pointer to the authentication status of the decoded output buffer.\r
- See the definition of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI\r
- section of the PI Specification. EFI_AUTH_STATUS_PLATFORM_OVERRIDE must\r
- never be set by this handler.\r
-\r
- @retval RETURN_SUCCESS The buffer specified by InputSection was decoded.\r
- @retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.\r
- @retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded.\r
-\r
-**/\r
-RETURN_STATUS\r
-EFIAPI\r
-LzmaGuidedSectionExtraction (\r
- IN CONST VOID *InputSection,\r
- OUT VOID **OutputBuffer,\r
- OUT VOID *ScratchBuffer, OPTIONAL\r
- OUT UINT32 *AuthenticationStatus\r
- );\r
-\r
-#endif // __LZMADECOMPRESS_H__\r
-\r
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