1 /** @file 2 ACPI memory mapped configuration space access table definition, defined at 3 in the PCI Firmware Specification, version 3.0 draft version 0.5. 4 Specification is available at http://www.pcisig.com. 5 6 Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> 7 8 This program and the accompanying materials are licensed and made available 9 under the terms and conditions of the BSD License which accompanies this 10 distribution. The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php 12 13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 15 16 **/ 17 18 #ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_ 19 #define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_ 20 21 // 22 // Ensure proper structure formats 23 // 24 #pragma pack(1) 25 // 26 // Memory Mapped Configuration Space Access Table (MCFG) 27 // This table is a basic description table header followed by 28 // a number of base address allocation structures. 29 // 30 typedef struct { 31 UINT64 BaseAddress; 32 UINT16 PciSegmentGroupNumber; 33 UINT8 StartBusNumber; 34 UINT8 EndBusNumber; 35 UINT32 Reserved; 36 } EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE; 37 38 // 39 // MCFG Revision (defined in spec) 40 // 41 #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION 0x01 42 43 #pragma pack() 44 45 #endif 46
