| /** @file | |
| ACPI memory mapped configuration space access table definition, defined at | |
| in the PCI Firmware Specification, version 3.0 draft version 0.5. | |
| Specification is available at http://www.pcisig.com. | |
| Copyright (c) 2006 - 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_ | |
| // | |
| // 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 Revision (defined in spec) | |
| // | |
| #define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION 0x01 | |
| #pragma pack() | |
| #endif |