Vlv2TbltDevicePkg/Include/McfgTable.h

   1 /*++
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11   McfgTable.h
  12
  13 Abstract:
  14
  15   ACPI Memory mapped configuration space base address Description Table
  16   definition, based on PCI Firmware Specification Revision 3.0 final draft,
  17   downloadable at http://www.pcisig.com/home
  18
  19 **/
  20
  21 #ifndef _MCFG_TABLE_H_
  22 #define _MCFG_TABLE_H_
  23
  24 //
  25 // Include files
  26 //
  27 #include <PiDxe.h>
  28
  29 //
  30 // Ensure proper structure formats
  31 //
  32 #pragma pack(1)
  33
  34 //
  35 // MCFG Revision (defined in spec)
  36 //
  37 #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_REVISION  0x01
  38
  39 //
  40 // MCFG Structure Definitions
  41 //
  42 //
  43 // Memory Mapped Enhanced Configuration Base Address Allocation
  44 // Structure Definition
  45 //
  46 typedef struct {
  47   UINT64  BaseAddress;
  48   UINT16  PciSegmentGroupNumber;
  49   UINT8   StartBusNumber;
  50   UINT8   EndBusNumber;
  51   UINT32  Reserved;
  52 } EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_BASE_ADDRESS_STRUCTURE;
  53
  54 //
  55 // MCFG Table header definition.  The rest of the table
  56 // must be defined in a platform specific manner.
  57 //
  58 typedef struct {
  59   EFI_ACPI_DESCRIPTION_HEADER Header;
  60   UINT64                      Reserved;
  61 } EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER;
  62
  63 #pragma pack()
  64
  65 #endif // _MCFG_TABLE_H