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https://en.wikipedia.org/wiki/List_of_IOMMU-supporting_hardware
64 rows · The first—and least powerful—Xeon to support VT-d was the E5502 launched Q1'09 ... List of AMD and AMD-based hardware that supports IOMMU. AMD's implementation of ... is known to have faulty BIOSes with corrupt ACPI IVRS tables; for such cases, under Linux, it is possible to specify custom mappings to override the faulty and/or ...
https://www.kernel.org/doc/html/latest/x86/intel-iommu.html
The Intel IOMMU driver allocates a virtual address per domain. Each PCIE device has its own domain (hence protection). Devices under p2p bridges share the virtual address with all devices under the p2p bridge due to transaction id aliasing for p2p bridges.
https://www.infradead.org/~mchehab/kernel_docs/unsorted/Intel-IOMMU.html
The Intel IOMMU driver allocates a virtual address per domain. Each PCIE device has its own domain (hence protection). Devices under p2p bridges share the virtual address with all devices under the p2p bridge due to transaction id aliasing for p2p bridges.
https://www.cyberciti.biz/tips/howto-turn-on-linux-software-iommu-support.html
Sep 11, 2007 · An IOMMU is a device that will support mapping memory addresses. There is currently high-end branded server hardware that support this, but no desktop machines support IOMMU, AFAIK. An example IOMMU is the AGP and PCI Express graphics cards. More about IOMMU. According to wikipedia: The IOMMU or input/output memory management unit is a computer ...
https://scottlinux.com/2017/05/10/how-to-enable-iommu-support-in-fedora-linux/
Typically by default, IOMMU is not enabled in Linux. I’ll show how to enable that virtualization feature on Fedora Linux! 1. First, check if IOMMU support is enabled by running this command:
https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVMF
Your motherboard must also support IOMMU Both the chipset and the BIOS must support it. It is not always easy to tell at a glance whether or not this is the case, but there is a fairly comprehensive list on the matter on the Xen wiki as well as Wikipedia:List of IOMMU-supporting hardware. Your guest GPU ROM must support UEFI.
https://askubuntu.com/questions/85776/what-is-iommu-and-will-it-improve-my-vm-performance
What is IOMMU and will it improve my VM performance? Ask Question ... that it improves the VM performance by letting the VM make use of the actual physical hardware instead of the Virtual hardware. ... The big win for IOMMU support is that we can change which devices we pass through at run time. Before we had to specify a range of devices in ...
https://wiki.gentoo.org/wiki/IOMMU_SWIOTLB
IOMMU SWIOTLB. From Gentoo Wiki. Jump to: ... In the Linux kernel we can manipulate the IOMMU using new mechanisms provided by SWIOTLB for Intel and others for architectures from AMD. 64-bit systems have enabled a huge amount of memory to be used in by the system and this memory needs mapping before it can be used. ... IOMMU Hardware Support ...
http://developer.amd.com/wordpress/media/2012/10/IOMMU-ben-yehuda.pdf
2 Linux IOMMU support and the DMA mapping API Linux runs on many different platforms. Those platforms may have a hardware IOMMU, emu-lation such as SWIOTLB, or direct hardware ac-cess. The software that enables these IOMMUs must abstract their internal, device specific DMA mapping functions behind the generic DMA API. In order to write generic ...
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