From 2302fc09080bad51c73f293294e19fd4db464eb0 Mon Sep 17 00:00:00 2001 From: Open-IOV Date: Wed, 23 Sep 2026 05:44:08 -0400 Subject: Open-IOV: initial public release Open-IOV virtualizes NVIDIA GPUs so that unmodified guest drivers run with real GPU functionality - CUDA first, 3D and video to follow - on unmodified hosts, without a proprietary vGPU license and without patching any driver, firmware or hypervisor. Core principle: emulate the interface, pass through the work. kernel/ open-iov-vfio.ko - host VFIO mdev driver: virtual GPU device (PCI config space, BAR shadows, MSI-X), GSP boot emulation, GSP-RM message-queue/RPC emulation, memory model (GPU-VA to guest-PA discovery) and the semaphore-completion service that advances guest UVM progress. userspace/ libiov.so management API and examples. tools/ guest diagnostics, firmware analysis wrappers, RM probes. scripts/ stack manager, VM harness, build/load/test automation. config/ hardware/version profiles (the portability surface). docs/ documentation tree - start at docs/README.md. wiki/ long-form firmware and protocol deep dives. Status: initialization works end to end for a stock 570.144 Linux guest on Turing (TU104): driver probe, nvidia-smi, the full GSP-RM control battery, object creation and the early CUDA/UVM start-up path. GPU work forwarding - the step that makes CUDA kernels execute on real hardware - is the active work item; see docs/04-implementation/01-known-knowns-and-unknowns.md. License: BSD-3-Clause for the project; GPL-2.0 for kernel modules that link GPL-only kernel interfaces. See LICENSE and docs/09-reference/legal-and-licensing.md. --- wiki/open-iov.org/index.php/Articles.html | 323 ++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 wiki/open-iov.org/index.php/Articles.html (limited to 'wiki/open-iov.org/index.php/Articles.html') diff --git a/wiki/open-iov.org/index.php/Articles.html b/wiki/open-iov.org/index.php/Articles.html new file mode 100644 index 0000000..92bb44d --- /dev/null +++ b/wiki/open-iov.org/index.php/Articles.html @@ -0,0 +1,323 @@ + + + + +Articles - Open-IOV + + + + + + + + + + + +

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Articles

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From Open-IOV

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This page indexes the articles contained within Open-IOV. +

If you're new to GPU Virtualization start by reading the Introduction article. +

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Start Here

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About Open-IOV (CC-BY-4.0) +

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Abstract

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Virtualization Fundamentals +

Merged Drivers +

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Design Documents

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Virtual I/O Internals +

GPU Driver Internals +

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Driver Integration Documents

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Projects

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LIME Is Mediated Emulation +

Looking Glass +

OpenXT: vGlass +

OpenXT: Surfman (legacy DRM) +

Intel Celadon +

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Device Support

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Software Support

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Hypervisor Support +

GPU Software Bill Of Materials (SBOM) +

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API Documentation

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Kernel APIs

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Kernel.org Driver Core Documentation +

NT Kernel (Windows) IOMMU-based GPU Isolation +

VFIO - vfio.h - mdev.h +

VFIO Mediated Device +

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Driver APIs

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i915 GVT-g API +

Nouveau Tools & API +

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Sample Code

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GPLv2 sources mirrored from elixir.bootlin.com with simple makefile changes. +

mtty.c - mdpy.c - mdpy-fb.c - mdpy-defs.h - mbochs.c +

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Virtualization APIs

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GVM/Mdev-CLI API +

QEMU Machine Protocol (QMP) Reference Manual +

Inter-VM Shared Memory (IVSHMEM) +

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User Guides

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Setup Guide +

Looking Glass Quickstart Guide +

Intel GVT-g Setup Guide +

AMD GPU-IOV Module Docs +

PCI passthrough via OVMF +

RedHat Virtualization Guide +

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Developer Guides

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Hypervisor From Scratch +

Linux Device Drivers (3rd Edition) +

GPU Driver Developer's Guide +

How To Write PCI Drivers +

Data Plane Development Kit: IVSHMEM Programming Guide +

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Specifications

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Hyper-V Hypervisor Top Level Functional Specification (TLFS) +

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Communities & Mailing Lists

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Open-IOV Discord +

Intel-gfx Mailing List +

Nouveau Mailing List +

AMD-gfx Mailing List +

VFIO-users Mailing List +

Level1Techs Forum [VFIO Topic] +

VFIO Subreddit +

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