IntelFrameworkPkg/Include/Framework/PeiCis.h

   1 /** @file
   2   The Include file for definitions in the Intel Platform Innovation Framework for EFI
   3   Pre-EFI Initialization Core Interface Specification (PEI CIS) Version 0.91.
   4
   5 Copyright (c) 2006 - 2010, Intel Corporation.  All rights reserved<BR>
   6 This program and the accompanying materials are licensed and made available under
   7 the terms and conditions of the BSD License that accompanies this distribution.
   8 The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php.
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef __PEICIS_H__
  17 #define __PEICIS_H__
  18
  19 #include <Ppi/PciCfg.h>
  20 //
  21 // Framework PEI Specification Revision information
  22 //
  23 #define FRAMEWORK_PEI_SPECIFICATION_MAJOR_REVISION    0
  24 #define FRAMEWORK_PEI_SPECIFICATION_MINOR_REVISION    91
  25
  26
  27 //
  28 // PEI services signature and Revision defined in Framework PEI spec
  29 //
  30 #define FRAMEWORK_PEI_SERVICES_SIGNATURE               0x5652455320494550ULL
  31 #define FRAMEWORK_PEI_SERVICES_REVISION               ((FRAMEWORK_PEI_SPECIFICATION_MAJOR_REVISION<<16) | (FRAMEWORK_PEI_SPECIFICATION_MINOR_REVISION))
  32
  33
  34
  35 typedef struct _FRAMEWORK_EFI_PEI_SERVICES FRAMEWORK_EFI_PEI_SERVICES;
  36
  37 /**
  38   The PEI Dispatcher will invoke each PEIM one time.  During this pass, the PEI
  39   Dispatcher will pass control to the PEIM at the AddressOfEntryPoint in the PE Header.
  40
  41   @param  FfsHeader        The pointer to the FFS file header.
  42   @param  PeiServices      Describes the list of possible PEI Services.
  43
  44   @return Status code
  45
  46 **/
  47 typedef
  48 EFI_STATUS
  49 (EFIAPI *EFI_PEIM_ENTRY_POINT)(
  50   IN EFI_FFS_FILE_HEADER            *FfsHeader,
  51   IN EFI_PEI_SERVICES               **PeiServices
  52   );
  53
  54 /**
  55   This service abstracts the capability of the PEI
  56   Foundation to discover instances of firmware volumes in the system.
  57   Given the input file pointer, this service searches for the next
  58   matching file in the Firmware File System (FFS) volume.
  59
  60   @param  PeiServices      An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
  61   @param  Instance         This instance of the firmware volume to find. The value 0 is the Boot Firmware Volume (BFV).
  62   @param  FwVolHeader      The pointer to the firmware volume header of the volume to return.
  63
  64   @retval EFI_SUCCESS           The volume was found.
  65   @retval EFI_NOT_FOUND         The volume was not found.
  66   @retval EFI_INVALID_PARAMETER FwVolHeader is NULL
  67
  68 **/
  69 typedef
  70 EFI_STATUS
  71 (EFIAPI *EFI_PEI_FFS_FIND_NEXT_VOLUME)(
  72   IN FRAMEWORK_EFI_PEI_SERVICES     **PeiServices,
  73   IN UINTN                          Instance,
  74   IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader
  75   );
  76
  77 /**
  78   This service abstracts the capability of the PEI
  79   Foundation to discover instances of firmware files in the system.
  80   Given the input file pointer, this service searches for the next matching
  81   file in the Firmware File System (FFS) volume.
  82
  83   @param  PeiServices      An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
  84   @param  SearchType       A filter to find files only of this type.
  85   @param  FwVolHeader      The pointer to the firmware volume header of the volume to search. This parameter
  86                            must point to a valid FFS volume.
  87   @param  FileHeader       The pointer to the current file from which to begin searching. Upon return this pointer will be
  88                            updated to reflect the file found.
  89
  90   @retval EFI_SUCCESS      The file was found.
  91   @retval EFI_NOT_FOUND    The file was not found.
  92   @retval EFI_NOT_FOUND    The header checksum was not zero.
  93
  94 **/
  95 typedef
  96 EFI_STATUS
  97 (EFIAPI *EFI_PEI_FFS_FIND_NEXT_FILE)(
  98   IN FRAMEWORK_EFI_PEI_SERVICES     **PeiServices,
  99   IN EFI_FV_FILETYPE                SearchType,
 100   IN EFI_FIRMWARE_VOLUME_HEADER     *FwVolHeader,
 101   IN OUT EFI_FFS_FILE_HEADER        **FileHeader
 102   );
 103
 104 /**
 105   Given the input file pointer, this service searches for the next
 106   matching file in the Firmware File System (FFS) volume.
 107
 108   @param  PeiServices      An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
 109   @param  SectionType      The value of the section type to find.
 110   @param  FfsFileHeader    A pointer to the file header that contains the set of sections to be searched.
 111   @param  SectionData      A pointer to the discovered section, if successful.
 112
 113   @retval EFI_SUCCESS      The section was found.
 114   @retval EFI_NOT_FOUND    The section was not found.
 115
 116 **/
 117 typedef
 118 EFI_STATUS
 119 (EFIAPI *EFI_PEI_FFS_FIND_SECTION_DATA)(
 120   IN FRAMEWORK_EFI_PEI_SERVICES     **PeiServices,
 121   IN EFI_SECTION_TYPE               SectionType,
 122   IN EFI_FFS_FILE_HEADER            *FfsFileHeader,
 123   IN OUT VOID                       **SectionData
 124   );
 125
 126 ///
 127 ///  FRAMEWORK_EFI_PEI_SERVICES is a collection of functions whose implementation is provided by the PEI
 128 ///  Foundation. The table may be located in the temporary or permanent memory, depending upon the capabilities
 129 ///  and phase of execution of PEI.
 130 ///
 131 ///  These services fall into various classes, including the following:
 132 ///  - Managing the boot mode.
 133 ///  - Allocating both early and permanent memory.
 134 ///  - Supporting the Firmware File System (FFS).
 135 ///  - Abstracting the PPI database abstraction.
 136 ///  - Creating Hand-Off Blocks (HOBs).
 137 ///
 138 struct _FRAMEWORK_EFI_PEI_SERVICES {
 139   EFI_TABLE_HEADER                  Hdr;
 140   //
 141   // PPI Functions
 142   //
 143   EFI_PEI_INSTALL_PPI               InstallPpi;
 144   EFI_PEI_REINSTALL_PPI             ReInstallPpi;
 145   EFI_PEI_LOCATE_PPI                LocatePpi;
 146   EFI_PEI_NOTIFY_PPI                NotifyPpi;
 147   //
 148   // Boot Mode Functions
 149   //
 150   EFI_PEI_GET_BOOT_MODE             GetBootMode;
 151   EFI_PEI_SET_BOOT_MODE             SetBootMode;
 152   //
 153   // HOB Functions
 154   //
 155   EFI_PEI_GET_HOB_LIST              GetHobList;
 156   EFI_PEI_CREATE_HOB                CreateHob;
 157   //
 158   // Firmware Volume Functions
 159   //
 160   EFI_PEI_FFS_FIND_NEXT_VOLUME      FfsFindNextVolume;
 161   EFI_PEI_FFS_FIND_NEXT_FILE        FfsFindNextFile;
 162   EFI_PEI_FFS_FIND_SECTION_DATA     FfsFindSectionData;
 163   //
 164   // PEI Memory Functions
 165   //
 166   EFI_PEI_INSTALL_PEI_MEMORY        InstallPeiMemory;
 167   EFI_PEI_ALLOCATE_PAGES            AllocatePages;
 168   EFI_PEI_ALLOCATE_POOL             AllocatePool;
 169   EFI_PEI_COPY_MEM                  CopyMem;
 170   EFI_PEI_SET_MEM                   SetMem;
 171   //
 172   // (the following interfaces are installed by publishing PEIM)
 173   // Status Code
 174   //
 175   EFI_PEI_REPORT_STATUS_CODE        ReportStatusCode;
 176   //
 177   // Reset
 178   //
 179   EFI_PEI_RESET_SYSTEM              ResetSystem;
 180   ///
 181   /// Inconsistent with specification here:
 182   /// In Framework Spec, PeiCis0.91, CpuIo and PciCfg are NOT pointers.
 183   ///
 184
 185   //
 186   // I/O Abstractions
 187   //
 188   EFI_PEI_CPU_IO_PPI                *CpuIo;
 189   EFI_PEI_PCI_CFG_PPI               *PciCfg;
 190 };
 191 ///
 192 /// Enumeration of reset types defined in the Framework Specification PeiCis.
 193 ///
 194 typedef enum {
 195   ///
 196   /// Used to induce a system-wide reset. This sets all circuitry within the
 197   /// system to its initial state.  This type of reset is asynchronous to system
 198   /// operation and operates withgout regard to cycle boundaries.  EfiColdReset
 199   /// is tantamount to a system power cycle.
 200   ///
 201   EfiPeiResetCold,
 202   ///
 203   /// Used to induce a system-wide initialization. The processors are set to their
 204   /// initial state, and pending cycles are not corrupted.  If the system does
 205   /// not support this reset type, then an EfiResetCold must be performed.
 206   ///
 207   EfiPeiResetWarm,
 208 } EFI_PEI_RESET_TYPE;
 209
 210 #endif
 211