Tools/CCode/Source/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation. All rights reserved.
   4 This software and associated documentation (if any) is furnished
   5 under a license and may only be used or copied in accordance
   6 with the terms of the license. Except as permitted by such
   7 license, no part of this software or documentation may be
   8 reproduced, stored in a retrieval system, or transmitted in any
   9 form or by any means without the express written consent of
  10 Intel Corporation.
  11
  12
  13 Module Name:
  14
  15   MemoryMappedConfigurationSpaceAccessTable.h
  16
  17 Abstract:
  18
  19   ACPI memory mapped configuration space access table definition, defined at
  20   in the PCI Firmware Specification, version 3.0 draft version 0.5.
  21   Specification is available at http://www.pcisig.com.
  22
  23 --*/
  24
  25 #ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
  26 #define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
  27
  28 //
  29 // Ensure proper structure formats
  30 //
  31 #pragma pack(1)
  32 //
  33 // Memory Mapped Configuration Space Access Table (MCFG)
  34 // This table is a basic description table header followed by
  35 // a number of base address allocation structures.
  36 //
  37 typedef struct {
  38   UINT64  BaseAddress;
  39   UINT16  PciSegmentGroupNumber;
  40   UINT8   StartBusNumber;
  41   UINT8   EndBusNumber;
  42   UINT32  Reserved;
  43 } EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE;
  44
  45 //
  46 // MCFG Revision (defined in spec)
  47 //
  48 #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION  0x01
  49
  50 #pragma pack()
  51
  52 #endif