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Linux Kernel Driver DataBase: CONFIG_DMAR: Support for DMA ...
https://cateee.net/lkddb/web-lkddb/DMAR.html
DMA remapping (DMAR) devices support enables independent address translations for Direct Memory Access (DMA) from devices. These DMA remapping devices are reported via ACPI tables and include PCI device scope covered by these ...
Linux Kernel Driver DataBase: CONFIG_INTEL_IOMMU: Support for ...
https://cateee.net/lkddb/web-lkddb/INTEL_IOMMU.htm ...
CONFIG_INTEL_IOMMU: Support for Intel IOMMU using DMA Remapping Devices. General informations. The Linux kernel configuration item CONFIG_INTEL_IOMMU : prompt: Support for Intel IOMMU using DMA Remapping Devices; type: ...
Enable DMA Remapping Devices by default - cateee.net Homepage
https://cateee.net/lkddb/web-lkddb/DMAR_DEFAULT_ON ...
Enable DMA Remapping Devices by default found in drivers/iommu/Kconfig. The configuration item ... device at boot time if one is found. If this option is not selected, DMAR support can be enabled by passing intel_iommu=on to the kernel.
Enable Intel DMA Remapping Devices by default - cateee.net ...
https://cateee.net/lkddb/web-lkddb/INTEL_IOMMU_DEF ...
CONFIG_INTEL_IOMMU_DEFAULT_ON: Enable Intel DMA Remapping Devices by default. General informations ... time if one is found. If this option is not selected, DMAR support can be enabled by passing intel_iommu=on to the kernel.
DMA Directions And Windows - Microsoft Download Center
http://download.microsoft.com/download/a/f/d/afdfd ...
DMA Support in Windows; Windows DMA APIs; Platform Advancements; DMA Remapping; Driver Considerations; Feedback ... There is no mechanism for a driver to accurately describe its device transfer capabilities to the DMA subsystem .
Using IOMMU for DMA Protection in UEFI Firmware - Intel
https://firmware.intel.com/sites/default/files/Int ...
Shared Virtual Memory: For devices supporting. PCI-Express capabilities – PASID (Process. Address Space ID) [PCIExpress], OS may use the. DMA remapping hardware capabilities to share virtual address space of application processes.
Ubuntu Forums
https://ubuntuforums.org/showthread.php?t=2171158
Aug 29, 2013 ... "**Support for DMA Remapping Devices**" "Bus options (PCI etc.)" -> "**Enable DMA Remapping Devices**" "Bus options (PCI etc.)" -> "**PCI Stub driver**" They 're just missing in menu options. Where can I find them?
Kernel DMA Protection for Thunderbolt™ 3 (Windows 10) | Microsoft ...
https://docs.microsoft.com/en-us/windows/security/ ...
Mar 25, 2019 ... For Thunderbolt DMA protection on earlier Windows versions and other platforms that lack support for Kernel DMA .... DMA-remapping is supported for specific device drivers, and is not universally supported by all devices and ...
Chapter 10. Allocating DMA Buffers on 64-bit Platforms
https://download.nvidia.com/XFree86/Linux-x86_64/3 ...
The Linux kernel requires that device drivers use the DMA remapping APIs to make physical memory accessible to devices, ... it detects that the remapping is implemented using the SWIOTLB, which is not supported by the NVIDIA Linux driver.
IOMMU SWIOTLB - Gentoo Wiki
https://wiki.gentoo.org/wiki/IOMMU_SWIOTLB
May 3, 2017 ... Today's computing uses a method of partitioning memory and each device such as a graphics card, PCI device, ... with Intel IOMMU [*] Enable Intel DMA Remapping Devices by default [*] Support for Interrupt Remapping.