]> git.proxmox.com Git - mirror_edk2.git/blame - MdePkg/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h
MdeModulePkg: Replace BSD License with BSD+Patent License
[mirror_edk2.git] / MdePkg / Include / IndustryStandard / MemoryMappedConfigurationSpaceAccessTable.h
CommitLineData
42eedea9 1/** @file\r
9095d37b 2 ACPI memory mapped configuration space access table definition, defined at\r
000f6a28 3 in the PCI Firmware Specification, version 3.0.\r
568eb0cb 4 Specification is available at http://www.pcisig.com.\r
9095d37b
LG
5\r
6 Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
7 This program and the accompanying materials\r
8 are licensed and made available under the terms and conditions of the BSD License\r
9 which accompanies this distribution. The full text of the license may be found at\r
10 http://opensource.org/licenses/bsd-license.php\r
11\r
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
568eb0cb 14**/\r
15\r
16#ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_\r
17#define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_\r
18\r
766f4bc1 19//\r
20// Ensure proper structure formats\r
21//\r
22#pragma pack(1)\r
23\r
1bc5d021 24///\r
25/// Memory Mapped Configuration Space Access Table (MCFG)\r
26/// This table is a basic description table header followed by\r
27/// a number of base address allocation structures.\r
28///\r
568eb0cb 29typedef struct {\r
30 UINT64 BaseAddress;\r
31 UINT16 PciSegmentGroupNumber;\r
32 UINT8 StartBusNumber;\r
33 UINT8 EndBusNumber;\r
34 UINT32 Reserved;\r
35} EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE;\r
1bc5d021 36\r
37///\r
9095d37b 38/// MCFG Table header definition. The rest of the table\r
1bc5d021 39/// must be defined in a platform specific manner.\r
40///\r
3431f363 41typedef struct {\r
42 EFI_ACPI_DESCRIPTION_HEADER Header;\r
43 UINT64 Reserved;\r
44} EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER;\r
1bc5d021 45\r
46///\r
47/// MCFG Revision (defined in spec)\r
48///\r
568eb0cb 49#define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION 0x01\r
50\r
766f4bc1 51#pragma pack()\r
52\r
568eb0cb 53#endif\r