| /** @file |
| ACPI memory mapped configuration space access table definition, defined at |
| in the PCI Firmware Specification, version 3.0. |
| Specification is available at http://www.pcisig.com. |
| |
| Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> |
| SPDX-License-Identifier: BSD-2-Clause-Patent |
| **/ |
| |
| #ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_ |
| #define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_ |
| |
| #include <IndustryStandard/Acpi.h> |
| |
| // |
| // Ensure proper structure formats |
| // |
| #pragma pack(1) |
| |
| /// |
| /// Memory Mapped Configuration Space Access Table (MCFG) |
| /// This table is a basic description table header followed by |
| /// a number of base address allocation structures. |
| /// |
| typedef struct { |
| UINT64 BaseAddress; |
| UINT16 PciSegmentGroupNumber; |
| UINT8 StartBusNumber; |
| UINT8 EndBusNumber; |
| UINT32 Reserved; |
| } EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE; |
| |
| /// |
| /// MCFG Table header definition. The rest of the table |
| /// must be defined in a platform specific manner. |
| /// |
| typedef struct { |
| EFI_ACPI_DESCRIPTION_HEADER Header; |
| UINT64 Reserved; |
| } EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER; |
| |
| /// |
| /// MCFG Revision (defined in spec) |
| /// |
| #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION 0x01 |
| |
| #pragma pack() |
| |
| #endif |