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

   1 /** @file
   2   Support for EFI PCI specification.
   3
   4   Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef _EFI_PCI_H_
  11 #define _EFI_PCI_H_
  12
  13 //#include "pci22.h"
  14 //#include "pci23.h"
  15 //#include "pci30.h"
  16
  17 #pragma pack(push, 1)
  18
  19 typedef struct {
  20   UINT8 Register;
  21   UINT8 Function;
  22   UINT8 Device;
  23   UINT8 Bus;
  24   UINT8 Reserved[4];
  25 } DEFIO_PCI_ADDR;
  26
  27 #define EFI_ROOT_BRIDGE_LIST                            'eprb'
  28 #define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE       0x0EF1
  29
  30 typedef struct {
  31   UINT16  Signature;    // 0xaa55
  32   UINT16  InitializationSize;
  33   UINT32  EfiSignature; // 0x0EF1
  34   UINT16  EfiSubsystem;
  35   UINT16  EfiMachineType;
  36   UINT16  CompressionType;
  37   UINT8   Reserved[8];
  38   UINT16  EfiImageHeaderOffset;
  39   UINT16  PcirOffset;
  40 } EFI_PCI_EXPANSION_ROM_HEADER;
  41
  42 typedef union {
  43   UINT8                           *Raw;
  44   PCI_EXPANSION_ROM_HEADER        *Generic;
  45   EFI_PCI_EXPANSION_ROM_HEADER    *Efi;
  46   EFI_LEGACY_EXPANSION_ROM_HEADER *PcAt;
  47 } EFI_PCI_ROM_HEADER;
  48
  49 #pragma pack(pop)
  50
  51 #endif