mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-27 16:58:09 +01:00
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/** @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_
|
|
|
|
//
|
|
// 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
|