diff options
Diffstat (limited to 'BaseTools/Source/C/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h')
-rw-r--r-- | BaseTools/Source/C/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/BaseTools/Source/C/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h b/BaseTools/Source/C/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h new file mode 100644 index 0000000000..69bd83e882 --- /dev/null +++ b/BaseTools/Source/C/Include/IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h @@ -0,0 +1,47 @@ +/** @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 - 2008, Intel Corporation. All rights reserved.
+
+ This program and the accompanying materials are licensed and made available
+ under the terms and conditions of the BSD License which accompanies this
+ distribution. The full text of the license may be found at:
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ File Name: MemoryMappedConfigurationSpaceAccessTable.h
+
+**/
+
+#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
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