EdkCompatibilityPkg/Foundation/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h

   1 /*++
   2
   3 Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   MemoryMappedConfigurationSpaceAccessTable.h
  15
  16 Abstract:
  17
  18   ACPI memory mapped configuration space access table definition, defined at
  19   in the PCI Firmware Specification, version 3.0.
  20   Specification is available at http://www.pcisig.com.
  21
  22 --*/
  23
  24 #ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
  25 #define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
  26
  27 //
  28 // Include files
  29 //
  30 #include "AcpiCommon.h"
  31
  32 //
  33 // Ensure proper structure formats
  34 //
  35 #pragma pack(1)
  36 //
  37 // Memory Mapped Configuration Space Access Table (MCFG)
  38 // This table is a basic description table header followed by
  39 // a number of base address allocation structures.
  40 //
  41 typedef struct {
  42   UINT64  BaseAddress;
  43   UINT16  PciSegmentGroupNumber;
  44   UINT8   StartBusNumber;
  45   UINT8   EndBusNumber;
  46   UINT32  Reserved;
  47 } EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE;
  48
  49 //
  50 // MCFG Revision (defined in spec)
  51 //
  52 #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION  0x01
  53
  54 #pragma pack()
  55
  56 #endif