X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FPeiServicesLib.h;h=9fc22a10c178b3bece98b16d9c668c37c3d8f306;hb=3f315ecd9a855b6adf73663b70820f1760cf4666;hp=193d6bad8ccf8eb4b9efaf902851187b86178d51;hpb=b75a165ded750b3113b90c04af2beef09a9c1329;p=mirror_edk2.git diff --git a/MdePkg/Include/Library/PeiServicesLib.h b/MdePkg/Include/Library/PeiServicesLib.h index 193d6bad8c..9fc22a10c1 100644 --- a/MdePkg/Include/Library/PeiServicesLib.h +++ b/MdePkg/Include/Library/PeiServicesLib.h @@ -1,8 +1,8 @@ /** @file Provides library functions for all PEI Services. -Copyright (c) 2006 - 2008, Intel Corporation -All rights reserved. This program and the accompanying materials +Copyright (c) 2006 - 2017, 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 @@ -16,7 +16,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #define __PEI_SERVICES_LIB_H__ /** - This service enables a given PEIM to register an interface into the PEI Foundation. + This service enables a given PEIM to register an interface into the PEI Foundation. @param PpiList A pointer to the list of interfaces that the caller shall install. @@ -98,7 +98,7 @@ PeiServicesNotifyPpi ( ); /** - This service enables PEIMs to ascertain the present value of the boot mode. + This service enables PEIMs to ascertain the present value of the boot mode. @param BootMode A pointer to contain the value of the boot mode. @@ -109,11 +109,11 @@ PeiServicesNotifyPpi ( EFI_STATUS EFIAPI PeiServicesGetBootMode ( - IN OUT EFI_BOOT_MODE *BootMode + OUT EFI_BOOT_MODE *BootMode ); /** - This service enables PEIMs to update the boot mode variable. + This service enables PEIMs to update the boot mode variable. @param BootMode The value of the boot mode to set. @@ -165,7 +165,7 @@ PeiServicesCreateHob ( @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware Volume (BFV). - @param VolumeHandle Pointer to the firmware volume header of the volume to return. + @param VolumeHandle Handle of the firmware volume header of the volume to return. @retval EFI_SUCCESS The volume was found. @retval EFI_NOT_FOUND The volume was not found. @@ -185,7 +185,7 @@ PeiServicesFfsFindNextVolume ( @param SearchType A filter to find files only of this type. @param VolumeHandle Pointer to the firmware volume header of the volume to search. This parameter must point to a valid FFS volume. - @param FileHandle Pointer to the current file from which to begin searching. + @param FileHandle Handle of the current file from which to begin searching. @retval EFI_SUCCESS The file was found. @retval EFI_NOT_FOUND The file was not found. @@ -220,6 +220,30 @@ PeiServicesFfsFindSectionData ( OUT VOID **SectionData ); +/** + This service enables PEIMs to discover sections of a given instance and type within a valid FFS file. + + @param SectionType The value of the section type to find. + @param SectionInstance Section instance to find. + @param FileHandle A pointer to the file header that contains the set + of sections to be searched. + @param SectionData A pointer to the discovered section, if successful. + @param AuthenticationStatus A pointer to the authentication status for this section. + + @retval EFI_SUCCESS The section was found. + @retval EFI_NOT_FOUND The section was not found. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindSectionData3 ( + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT VOID **SectionData, + OUT UINT32 *AuthenticationStatus + ); + /** This service enables PEIMs to register the permanent memory configuration that has been initialized with the PEI Foundation. @@ -240,16 +264,16 @@ PeiServicesInstallPeiMemory ( ); /** - This service enables PEIMs to allocate memory after the permanent memory has been installed by a - PEIM. + This service enables PEIMs to allocate memory. @param MemoryType Type of memory to allocate. - @param Pages Number of pages to allocate. + @param Pages The number of pages to allocate. @param Memory Pointer of memory allocated. @retval EFI_SUCCESS The memory range was successfully allocated. - @retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages. - @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available. + @retval EFI_INVALID_PARAMETER Type is not equal to EfiLoaderCode, EfiLoaderData, EfiRuntimeServicesCode, + EfiRuntimeServicesData, EfiBootServicesCode, EfiBootServicesData, + EfiACPIReclaimMemory, EfiReservedMemoryType, or EfiACPIMemoryNVS. @retval EFI_OUT_OF_RESOURCES The pages could not be allocated. **/ @@ -261,6 +285,25 @@ PeiServicesAllocatePages ( OUT EFI_PHYSICAL_ADDRESS *Memory ); +/** + This service enables PEIMs to free memory. + + @param Memory Memory to be freed. + @param Pages The number of pages to free. + + @retval EFI_SUCCESS The requested pages were freed. + @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid. + @retval EFI_NOT_FOUND The requested memory pages were not allocated with + AllocatePages(). + +**/ +EFI_STATUS +EFIAPI +PeiServicesFreePages ( + IN EFI_PHYSICAL_ADDRESS Memory, + IN UINTN Pages + ); + /** This service allocates memory from the Hand-Off Block (HOB) heap. @@ -316,7 +359,7 @@ PeiServicesResetSystem ( **/ EFI_STATUS EFIAPI -PeiServicesFfsFindByName ( +PeiServicesFfsFindFileByName ( IN CONST EFI_GUID *FileName, IN CONST EFI_PEI_FV_HANDLE VolumeHandle, OUT EFI_PEI_FILE_HANDLE *FileHandle @@ -348,6 +391,31 @@ PeiServicesFfsGetFileInfo ( OUT EFI_FV_FILE_INFO *FileInfo ); +/** + This service is a wrapper for the PEI Service FfsGetFileInfo2(), except the pointer to the PEI Services + Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface + Specification for details. + + @param FileHandle Handle of the file. + + @param FileInfo Upon exit, points to the file's + information. + + @retval EFI_SUCCESS File information returned. + + @retval EFI_INVALID_PARAMETER If FileHandle does not + represent a valid file. + + @retval EFI_INVALID_PARAMETER If FileInfo is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsGetFileInfo2 ( + IN CONST EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_FV_FILE_INFO2 *FileInfo + ); + /** This service is a wrapper for the PEI Service FfsGetVolumeInfo(), except the pointer to the PEI Services Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface @@ -431,4 +499,45 @@ PeiServicesInstallFvInfoPpi ( IN CONST EFI_GUID *ParentFileName OPTIONAL ); +/** + Install a EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI instance so the PEI Core will be notified about a new firmware volume. + + This function allocates, initializes, and installs a new EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI using + the parameters passed in to initialize the fields of the EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI instance. + If the resources can not be allocated for EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI, then ASSERT(). + If the EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI can not be installed, then ASSERT(). + + @param FvFormat Unique identifier of the format of the memory-mapped + firmware volume. This parameter is optional and + may be NULL. If NULL is specified, the + EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed. + @param FvInfo Points to a buffer which allows the + EFI_PEI_FIRMWARE_VOLUME_PPI to process the volume. + The format of this buffer is specific to the FvFormat. + For memory-mapped firmware volumes, this typically + points to the first byte of the firmware volume. + @param FvInfoSize The size, in bytes, of FvInfo. For memory-mapped + firmware volumes, this is typically the size of + the firmware volume. + @param ParentFvName If the new firmware volume originated from a file + in a different firmware volume, then this parameter + specifies the GUID name of the originating firmware + volume. Otherwise, this parameter must be NULL. + @param ParentFileName If the new firmware volume originated from a file + in a different firmware volume, then this parameter + specifies the GUID file name of the originating + firmware file. Otherwise, this parameter must be NULL. + @param AuthenticationStatus Authentication Status +**/ +VOID +EFIAPI +PeiServicesInstallFvInfo2Ppi ( + IN CONST EFI_GUID *FvFormat, OPTIONAL + IN CONST VOID *FvInfo, + IN UINT32 FvInfoSize, + IN CONST EFI_GUID *ParentFvName, OPTIONAL + IN CONST EFI_GUID *ParentFileName, OPTIONAL + IN UINT32 AuthenticationStatus + ); + #endif