historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/edk2/StandaloneMmPkg/Include/Library/FvLib.h
2024-01-16 11:20:27 -06:00

103 lines
3.4 KiB
C

/** @file
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _FV_LIB_H_
#define _FV_LIB_H_
#include <Uefi.h>
#include <Pi/PiFirmwareVolume.h>
#include <Pi/PiFirmwareFile.h>
/**
Given the input file pointer, search for the next matching file in the
FFS volume as defined by SearchType. The search starts from FileHeader inside
the Firmware Volume defined by FwVolHeader.
@param SearchType Filter to find only files of this type.
Type EFI_FV_FILETYPE_ALL causes no filtering to be done.
@param FwVolHeader Pointer to the FV header of the volume to search.
This parameter must point to a valid FFS volume.
@param FileHeader Pointer to the current file from which to begin searching.
This pointer will be updated upon return to reflect the file found.
@retval EFI_NOT_FOUND No files matching the search criteria were found
@retval EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
FfsFindNextFile (
IN EFI_FV_FILETYPE SearchType,
IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,
IN OUT EFI_FFS_FILE_HEADER **FileHeader
);
/**
Given the input file pointer, search for the next matching section in the
FFS volume.
@param SearchType Filter to find only sections of this type.
@param FfsFileHeader Pointer to the current file to search.
@param SectionHeader Pointer to the Section matching SectionType in FfsFileHeader.
NULL if section not found
@retval EFI_NOT_FOUND No files matching the search criteria were found
@retval EFI_SUCCESS
**/
EFI_STATUS
FfsFindSection (
IN EFI_SECTION_TYPE SectionType,
IN EFI_FFS_FILE_HEADER *FfsFileHeader,
IN OUT EFI_COMMON_SECTION_HEADER **SectionHeader
);
/**
Locates a section within a series of sections
with the specified section type.
@param[in] Sections The sections to search
@param[in] SizeOfSections Total size of all sections
@param[in] SectionType The section type to locate
@param[out] FoundSection The FFS section if found
@retval EFI_SUCCESS The file and section was found
@retval EFI_NOT_FOUND The file and section was not found
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
**/
EFI_STATUS
EFIAPI
FindFfsSectionInSections (
IN VOID *Sections,
IN UINTN SizeOfSections,
IN EFI_SECTION_TYPE SectionType,
OUT EFI_COMMON_SECTION_HEADER **FoundSection
);
/**
Given the input file pointer, search for the next matching section in the
FFS volume.
@param SearchType Filter to find only sections of this type.
@param FfsFileHeader Pointer to the current file to search.
@param SectionData Pointer to the Section matching SectionType in FfsFileHeader.
NULL if section not found
@param SectionDataSize The size of SectionData
@retval EFI_NOT_FOUND No files matching the search criteria were found
@retval EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
FfsFindSectionData (
IN EFI_SECTION_TYPE SectionType,
IN EFI_FFS_FILE_HEADER *FfsFileHeader,
OUT VOID **SectionData,
OUT UINTN *SectionDataSize
);
#endif