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40 lines
1.1 KiB
C
Executable File
40 lines
1.1 KiB
C
Executable File
/** @file
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ACPI memory mapped configuration space access table definition, defined at
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in the PCI Firmware Specification, version 3.0 draft version 0.5.
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Specification is available at http://www.pcisig.com.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
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#define _MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_H_
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//
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// Ensure proper structure formats
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//
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#pragma pack(1)
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//
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// Memory Mapped Configuration Space Access Table (MCFG)
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// This table is a basic description table header followed by
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// a number of base address allocation structures.
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//
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typedef struct {
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UINT64 BaseAddress;
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UINT16 PciSegmentGroupNumber;
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UINT8 StartBusNumber;
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UINT8 EndBusNumber;
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UINT32 Reserved;
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} EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE;
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//
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// MCFG Revision (defined in spec)
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//
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#define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION 0x01
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#pragma pack()
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#endif
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