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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2237 6f19259b-4bc3-4df7-8a09-765794883524
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*++
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Copyright (c) 2006, Intel Corporation. All rights reserved.
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This software and associated documentation (if any) is furnished
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under a license and may only be used or copied in accordance
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with the terms of the license. Except as permitted by such
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license, no part of this software or documentation may be
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reproduced, stored in a retrieval system, or transmitted in any
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form or by any means without the express written consent of
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Intel Corporation.
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Module Name:
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MemoryMappedConfigurationSpaceAccessTable.h
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Abstract:
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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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--*/
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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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