1 /*++ 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 6 This program and the accompanying materials are licensed and made available under 7 8 the terms and conditions of the BSD License that accompanies this distribution. 9 10 The full text of the license may be found at 11 12 http://opensource.org/licenses/bsd-license.php. 13 14 15 16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 18 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 20 21 22 23 Module Name: 24 25 McfgTable.h 26 27 Abstract: 28 29 ACPI Memory mapped configuration space base address Description Table 30 definition, based on PCI Firmware Specification Revision 3.0 final draft, 31 downloadable at http://www.pcisig.com/home 32 33 **/ 34 35 #ifndef _MCFG_TABLE_H_ 36 #define _MCFG_TABLE_H_ 37 38 // 39 // Include files 40 // 41 #include <PiDxe.h> 42 43 // 44 // Ensure proper structure formats 45 // 46 #pragma pack(1) 47 48 // 49 // MCFG Revision (defined in spec) 50 // 51 #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_REVISION 0x01 52 53 // 54 // MCFG Structure Definitions 55 // 56 // 57 // Memory Mapped Enhanced Configuration Base Address Allocation 58 // Structure Definition 59 // 60 typedef struct { 61 UINT64 BaseAddress; 62 UINT16 PciSegmentGroupNumber; 63 UINT8 StartBusNumber; 64 UINT8 EndBusNumber; 65 UINT32 Reserved; 66 } EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_BASE_ADDRESS_STRUCTURE; 67 68 // 69 // MCFG Table header definition. The rest of the table 70 // must be defined in a platform specific manner. 71 // 72 typedef struct { 73 EFI_ACPI_DESCRIPTION_HEADER Header; 74 UINT64 Reserved; 75 } EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER; 76 77 #pragma pack() 78 79 #endif // _MCFG_TABLE_H 80