6a80fbf6ff
This patch is to improve IOMMU performance.
All WBINVD is removed due to performance issue.
CLFLUSH by WriteBackDataCacheRange() is used to
only flush the context table or
second level page table if they are changed.
This patch also removed some unused functions.
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
(cherry picked from commit 4ad5f59715)
83 lines
2.3 KiB
INI
83 lines
2.3 KiB
INI
## @file
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# Intel VTd DXE Driver.
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#
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# This driver initializes VTd engine based upon DMAR ACPI tables
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# and provide DMA protection to PCI or ACPI device.
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#
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# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = IntelVTdDxe
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MODULE_UNI_FILE = IntelVTdDxe.uni
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FILE_GUID = 987555D6-595D-4CFA-B895-59B89368BD4D
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MODULE_TYPE = DXE_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = IntelVTdInitialize
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC
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#
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#
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[Sources]
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IntelVTdDxe.c
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BmDma.c
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DmaProtection.c
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DmaProtection.h
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DmarAcpiTable.c
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PciInfo.c
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TranslationTable.c
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TranslationTableEx.c
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VtdReg.c
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[Packages]
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MdePkg/MdePkg.dec
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MdeModulePkg/MdeModulePkg.dec
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IntelSiliconPkg/IntelSiliconPkg.dec
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[LibraryClasses]
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DebugLib
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UefiDriverEntryPoint
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UefiBootServicesTableLib
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BaseLib
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IoLib
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PciSegmentLib
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BaseMemoryLib
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MemoryAllocationLib
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UefiLib
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CacheMaintenanceLib
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PerformanceLib
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PrintLib
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[Guids]
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gEfiEventExitBootServicesGuid ## CONSUMES ## Event
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gEfiAcpi20TableGuid ## CONSUMES ## SystemTable
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gEfiAcpiTableGuid ## CONSUMES ## SystemTable
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[Protocols]
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gEdkiiIoMmuProtocolGuid ## PRODUCES
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gEfiAcpiSdtProtocolGuid ## CONSUMES
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gEfiPciIoProtocolGuid ## CONSUMES
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gEfiPciEnumerationCompleteProtocolGuid ## CONSUMES
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gEdkiiPlatformVTdPolicyProtocolGuid ## SOMETIMES_CONSUMES
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[Depex]
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gEfiPciRootBridgeIoProtocolGuid AND
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gEfiAcpiSdtProtocolGuid
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[UserExtensions.TianoCore."ExtraFiles"]
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IntelVTdDxeExtra.uni
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