MdePkg/Include/IndustryStandard/EfiPci.h

   1 /** @file
   2   Support for EFI PCI specification.
   3
   4   Copyright (c) 2006, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13   Module Name:  EfiPci.h
  14
  15 **/
  16
  17 #ifndef _EFI_PCI_H_
  18 #define _EFI_PCI_H_
  19
  20 //#include "pci22.h"
  21 //#include "pci23.h"
  22 //#include "pci30.h"
  23
  24 #pragma pack(push, 1)
  25
  26 typedef struct {
  27   UINT8 Register;
  28   UINT8 Function;
  29   UINT8 Device;
  30   UINT8 Bus;
  31   UINT8 Reserved[4];
  32 } DEFIO_PCI_ADDR;
  33
  34 #define EFI_ROOT_BRIDGE_LIST                            'eprb'
  35 #define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE       0x0EF1
  36
  37 typedef struct {
  38   UINT16  Signature;    // 0xaa55
  39   UINT16  InitializationSize;
  40   UINT32  EfiSignature; // 0x0EF1
  41   UINT16  EfiSubsystem;
  42   UINT16  EfiMachineType;
  43   UINT16  CompressionType;
  44   UINT8   Reserved[8];
  45   UINT16  EfiImageHeaderOffset;
  46   UINT16  PcirOffset;
  47 } EFI_PCI_EXPANSION_ROM_HEADER;
  48
  49 typedef union {
  50   UINT8                           *Raw;
  51   PCI_EXPANSION_ROM_HEADER        *Generic;
  52   EFI_PCI_EXPANSION_ROM_HEADER    *Efi;
  53   EFI_LEGACY_EXPANSION_ROM_HEADER *PcAt;
  54 } EFI_PCI_ROM_HEADER;
  55
  56 #pragma pack(pop)
  57
  58 #endif