BaseTools/Source/C/Include/IndustryStandard/EfiPci.h

   1 /** @file
   2   Support for EFI PCI specification.
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5
   6   This program and the accompanying materials are licensed and made available
   7   under the terms and conditions of the BSD License which accompanies this
   8   distribution.  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   File Name:  EfiPci.h
  15
  16 **/
  17
  18 #ifndef _EFI_PCI_H_
  19 #define _EFI_PCI_H_
  20
  21 //#include "pci22.h"
  22 //#include "pci23.h"
  23 //#include "pci30.h"
  24
  25 #pragma pack(push, 1)
  26
  27 typedef struct {
  28   UINT8 Register;
  29   UINT8 Function;
  30   UINT8 Device;
  31   UINT8 Bus;
  32   UINT8 Reserved[4];
  33 } DEFIO_PCI_ADDR;
  34
  35 #define EFI_ROOT_BRIDGE_LIST                            'eprb'
  36 #define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE       0x0EF1
  37
  38 typedef struct {
  39   UINT16  Signature;    // 0xaa55
  40   UINT16  InitializationSize;
  41   UINT32  EfiSignature; // 0x0EF1
  42   UINT16  EfiSubsystem;
  43   UINT16  EfiMachineType;
  44   UINT16  CompressionType;
  45   UINT8   Reserved[8];
  46   UINT16  EfiImageHeaderOffset;
  47   UINT16  PcirOffset;
  48 } EFI_PCI_EXPANSION_ROM_HEADER;
  49
  50 typedef union {
  51   UINT8                           *Raw;
  52   PCI_EXPANSION_ROM_HEADER        *Generic;
  53   EFI_PCI_EXPANSION_ROM_HEADER    *Efi;
  54   EFI_LEGACY_EXPANSION_ROM_HEADER *PcAt;
  55 } EFI_PCI_ROM_HEADER;
  56
  57 #pragma pack(pop)
  58
  59 #endif