::: {#mw-page-base .noprint} ::: ::: {#mw-head-base .noprint} ::: ::: {#content .mw-body role="main"} []{#top} ::: {#siteNotice} ::: ::: mw-indicators ::: # GPU Software Bill Of Materials (SBOM) {#firstHeading .firstHeading} ::: {#bodyContent .vector-body} ::: {#siteSub .noprint} From Open-IOV ::: ::: {#contentSub} ::: {.mw-revision .warningbox} ::: {#mw-revision-info} Revision as of 14:58, 13 June 2023 by [Arthur](./index.php%3Ftitle=User:Arthur&action=edit&redlink=1.html "User:Arthur (page does not exist)"){.new .mw-userlink} [([talk](./index.php%3Ftitle=User_talk:Arthur&action=edit&redlink=1.html "User talk:Arthur (page does not exist)"){.new .mw-usertoollinks-talk} \| [contribs](index.php/Special:Contributions/Arthur.html "Special:Contributions/Arthur"){.mw-usertoollinks-contribs})]{.mw-usertoollinks} [(Updated Nvidia VGX vGPU version to 15.2 in GPU SBOM.)]{.comment} ::: ::: {#mw-revision-nav} ([diff](https://open-iov.org/index.php?title=GPU_Software_Bill_Of_Materials_(SBOM)&diff=prev&oldid=23786 "GPU Software Bill Of Materials (SBOM)")) [← Older revision](https://open-iov.org/index.php?title=GPU_Software_Bill_Of_Materials_(SBOM)&direction=prev&oldid=23786 "GPU Software Bill Of Materials (SBOM)") \| Latest revision (diff) \| Newer revision → (diff) ::: ::: ::: ::: {#contentSub2} ::: ::: {#jump-to-nav} ::: [Jump to navigation](index.php%3Ftitle=GPU_Software_Bill_Of_Materials_(SBOM)&oldid=23786.html#mw-head){.mw-jump-link} [Jump to search](index.php%3Ftitle=GPU_Software_Bill_Of_Materials_(SBOM)&oldid=23786.html#searchInput){.mw-jump-link} ::: {#mw-content-text .mw-body-content .mw-content-ltr lang="en" dir="ltr"} ::: mw-parser-output This page will keep a running list of components used to achieve GPU Virtualization. > An absence of critical technical documentation has historically slowed > growth and adoption of developer ecosystems for GPU virtualization. > > This > [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/){.external > .text rel="nofollow"} licensed content can either be used with > attribution, or used as inspiration for new documentation, created by > GPU vendors for public commercial distribution as developer > documentation. > > Where possible, this documentation will clearly label dates and > versions of observed-but-not-guaranteed behaviour vs. > vendor-documented stable interfaces/behaviour with guarantees of > forward or backward compatibility. ------------- ----------------------------------------------------------------------------------------------------------------------------------------------- ------------- ----------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------- ----------- ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ -------------- --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Vendor Component Description Version OSS or Blob Filesize Vendor Docs Release Date Interfaces / APIs Notes Microsoft Indirect Display Driver (IDD) Driver [OSS](https://github.com/Microsoft/Windows-driver-samples/tree/main/video/IndirectDisplay){.external .text rel="nofollow"} [Indirect Display Driver Overview](https://learn.microsoft.com/en-us/windows-hardware/drivers/display/indirect-display-driver-model-overview){.external .text rel="nofollow"} [UMDF](https://learn.microsoft.com/en-us/windows-hardware/drivers/wdf/overview-of-the-umdf){.external .text rel="nofollow"}, [KMDF](https://learn.microsoft.com/en-us/windows-hardware/drivers/kernel/){.external .text rel="nofollow"} The Indirect Display Driver (IDD) enables GPUs to render graphics at arbitrary resolutions without a physical display connected on Windows OS systems. RedHat vfio_pci Driver 6.2-rc1 [OSS](https://github.com/torvalds/linux/tree/master/drivers/vfio/pci){.external .text rel="nofollow"} in-kernel [RedHat](https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/virtualization/chap-virtualization-pci_passthrough){.external .text rel="nofollow"}, [kernel.org](https://docs.kernel.org/driver-api/vfio.html){.external .text rel="nofollow"} 2022.12.15 [irqfd](index.php/Virtual_I/O_Internals.html#Instruction_Execution){.external .text rel="nofollow"}, [ioeventfd](index.php/Virtual_I/O_Internals.html#Instruction_Execution){.external .text rel="nofollow"}, [IOCTL](https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/tree/Documentation/driver-api/ioctl.rst){.external .text rel="nofollow"} Reference VFIO Stub driver used for discrete assignment of IO, and assignment of some SR-IOV-backed vGPU devices into virtual machines. This driver is commonly replaced with a vendor built VFIO interface with differing memory management and/or page pinning mechanisms which are specific to the vGPU software internals. Mediated Core (mdev.ko) Driver 6.2-rc1 OSS 0.044 MB [kernel.org](https://docs.kernel.org/driver-api/vfio-mediated-device.html){.external .text rel="nofollow"} 2016.xx.xx [irqfd](index.php/Virtual_I/O_Internals.html#Instruction_Execution){.external .text rel="nofollow"}, [ioeventfd](index.php/Virtual_I/O_Internals.html#Instruction_Execution){.external .text rel="nofollow"}, [IOCTL](https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/tree/Documentation/driver-api/ioctl.rst){.external .text rel="nofollow"}, [Type 1 IOMMU](index.php/Virtual_I/O_Internals.html#Mediated_DMA_Translations){.external .text rel="nofollow"} The Mediated Core driver provides a common interface for mediated device management that can be used by drivers of different devices. It is an IOMMU/device-agnostic framework for exposing direct device access to user space in a secure, IOMMU-protected environment (based on VFIO). guest communication daemon Daemon 0.1.0 [OSS](https://){.external .text rel="nofollow"} [](){.external .text rel="nofollow"} 2023.02.08 [Virtio-Serial](https://fedoraproject.org/wiki/Features/VirtioSerial){.external .text rel="nofollow"}, CLI Handles IO to and from guests and the host using Virtio-Serial to handle multiple different guest modules. mdev management CLI 1.0 [OSS](https://){.external .text rel="nofollow"} 0.084 MB [](){.external .text rel="nofollow"} 2023.01.06 CLI, [IOCTL](https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/tree/Documentation/driver-api/ioctl.rst){.external .text rel="nofollow"}, [RMAPI](index.php/GPU_Driver_Internals.html#RM_API){.external .text rel="nofollow"}, [Mediated Core](index.php/Virtual_I/O_Internals.html#Mediated_Core){.external .text rel="nofollow"} Configures the the [nvidia-vgpu-mgr](index.php/GPU_Driver_Internals.html#nvidia-vgpu-mgr){.external .text rel="nofollow"} process. Intel i915 SR-IOV Driver [5.15](https://github.com/intel/linux-intel-lts/tree/5.15/ADL-linux-ER){.external .text rel="nofollow"} OSS in-kernel Intel\'s open source GPU driver for [GuC](index.php/GPU_Firmware.html#GuC){.external .text rel="nofollow"}-equipped graphics accelerators. [GuC](index.php/GPU_Firmware.html#GuC){.external .text rel="nofollow"} μOS Firmware Blob IOMMU Interrupts, Power Management Interrupts, [GTT](index.php/GPU_Driver_Internals.html#GTT_(Graphics_Translation_Table)){.external .text rel="nofollow"} Handles scheduling, and power management. HuC [GTT](index.php/GPU_Driver_Internals.html#GTT_(Graphics_Translation_Table)){.external .text rel="nofollow"} Handles video encoding/decoding. [Display Virtualization for Windows OS](index.php/GPU_Driver_Internals.html#Display_Surface_Virtualization_2){.external .text rel="nofollow"} Driver [791](https://github.com/intel/Display-Virtualization-for-Windows-OS/releases/){.external .text rel="nofollow"} [OSS](https://github.com/intel/Display-Virtualization-for-Windows-OS){.external .text rel="nofollow"} [github.com/intel/Display-Virtualization-for-Windows-OS/blob/main/Readme.txt](https://github.com/intel/Display-Virtualization-for-Windows-OS/blob/main/Readme.txt){.external .text rel="nofollow"} [udmabuf](https://github.com/ikwzm/udmabuf){.external .text rel="nofollow"}, [UMDF](https://learn.microsoft.com/en-us/windows-hardware/drivers/wdf/overview-of-the-umdf){.external .text rel="nofollow"}, [KMDF](https://learn.microsoft.com/en-us/windows-hardware/drivers/kernel/){.external .text rel="nofollow"} Intel\'s \'Display Virtualization for Windows OS\' provides a virtual pixel surface used for hardware graphics rendering using Microsoft\'s open source \'Indirect Display Driver (IDD)\'. Display virtualization for Windows OS makes use of display memory sharing primitives provided in-driver by the i915 host. Nvidia [OpenRM](index.php/OpenRM.html "OpenRM") Driver 525.85.12 OSS [github.com/NVIDIA/open-gpu-kernel-modules/blob/main/README.md](https://github.com/NVIDIA/open-gpu-kernel-modules/blob/main/README.md){.external .text rel="nofollow"} 2023.01.31 Nvidia\'s open source GPU driver for [GSP](index.php/GPU_Firmware.html#GSP){.external .text rel="nofollow"}-equipped graphics accelerators. [GSP](index.php/GPU_Firmware.html#GSP){.external .text rel="nofollow"} RM (uproc) Firmware Blob 2023.01.31 RPC Embedded firmware based on [LibOS](https://lwn.net/Articles/637658/){.external .text rel="nofollow"} containing the [RM Core](index.php/GPU_Driver_Internals.html#RM_Core){.external .text rel="nofollow"}. Falcon/NvRISC (uproc) FBIF (Frame Buffer Interface) / GMMU Embedded firmware which handles many aspects of the device including configuring the GPU\'s GMMU controller. nvidia-vgpud Daemon [v15.2](https://docs.nvidia.com/grid/15.0/whats-new-vgpu/index.html){.external .text rel="nofollow"} Blob 0.108 MB [docs.nvidia.com/grid](https://docs.nvidia.com/grid/index.html){.external .text rel="nofollow"} 2023.01.xx CLI, [IOCTL](https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/tree/Documentation/driver-api/ioctl.rst){.external .text rel="nofollow"}, [RMAPI](index.php/GPU_Driver_Internals.html#RM_API){.external .text rel="nofollow"}, [Mediated Core](index.php/Virtual_I/O_Internals.html#Mediated_Core){.external .text rel="nofollow"} Configures the the [nvidia-vgpu-mgr](index.php/GPU_Driver_Internals.html#nvidia-vgpu-mgr){.external .text rel="nofollow"} process. nvidia-vgpu-mgr 0.132 MB 2023.01.xx [vmiop](index.php/GPU_Driver_Internals.html#vmiop){.external .text rel="nofollow"}, [IOCTL](https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/tree/Documentation/driver-api/ioctl.rst){.external .text rel="nofollow"}, [RMAPI](index.php/GPU_Driver_Internals.html#RM_API){.external .text rel="nofollow"}, [vRPC](index.php/GPU_Driver_Internals.html#Guest_kernel_(nvidia.ko)){.external .text rel="nofollow"}, pRPC, [Mediated Core](index.php/Virtual_I/O_Internals.html#Mediated_Core){.external .text rel="nofollow"} Handles IO to and from guest RM, host RM, and hardware. libnvidia-vgpu.so Library 3.1 MB 2023.01.xx [vmiop](index.php/GPU_Driver_Internals.html#vmiop){.external .text rel="nofollow"}, [RMAPI](index.php/GPU_Driver_Internals.html#RM_API){.external .text rel="nofollow"}, [Mediated Core](index.php/Virtual_I/O_Internals.html#Mediated_Core){.external .text rel="nofollow"} Handles IO to and from guest RM, host RM, and hardware. Contains circular dependancies with [nvidia-vgpu-mgr](index.php/GPU_Driver_Internals.html#nvidia-vgpu-mgr){.external .text rel="nofollow"}. nvidia-vgpu-vfio.ko Driver 0.108 MB 2023.01.xx [Type 1 IOMMU](index.php/Virtual_I/O_Internals.html#Mediated_DMA_Translations){.external .text rel="nofollow"}, [irqfd, ioeventfd](index.php/Virtual_I/O_Internals.html#Instruction_Execution){.external .text rel="nofollow"}, [IOCTL](https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/tree/Documentation/driver-api/ioctl.rst){.external .text rel="nofollow"}, [Mediated Core](index.php/Virtual_I/O_Internals.html#Mediated_Core){.external .text rel="nofollow"} Handles incremental memory mapping (non-page pinning per the standard vfio-pci driver). ------------- ----------------------------------------------------------------------------------------------------------------------------------------------- ------------- ----------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------- ----------- ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ -------------- --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- : Component Table ## [More Information]{#More_Information .mw-headline} 1. [Nvidia RISC-V Story](https://riscv.org/wp-content/uploads/2016/07/Tue1100_Nvidia_RISCV_Story_V2.pdf){.external .text rel="nofollow"} 2. [](){.external .text rel="nofollow"} 3. [Intel Graphics Programmer\'s Reference Manuals (PRM)](https://01.org/linuxgraphics/documentation/hardware-specification-prms){.external .text rel="nofollow"} 4. [i915: Hardware Contexts (and some bits about batchbuffers)](https://bwidawsk.net/blog/2013/1/i915-hardware-contexts-and-some-bits-about-batchbuffers/){.external .text rel="nofollow"} 5. [i915: The Global GTT Part 1](https://bwidawsk.net/blog/2014/6/the-global-gtt-part-1/){.external .text rel="nofollow"} 6. [i915: Aliasing PPGTT Part 2](https://bwidawsk.net/blog/2014/6/aliasing-ppgtt-part-2/){.external .text rel="nofollow"} 7. [i915: True PPGTT Part 3](https://bwidawsk.net/blog/2014/7/true-ppgtt-part-3/){.external .text rel="nofollow"} 8. [i915: Future PPGTT Part 4 (Dynamic page table allocations, 64 bit address space, GPU \"mirroring\", and yeah, something about relocs too)](https://bwidawsk.net/blog/2014/7/future-ppgtt-part-4-dynamic-page-table-allocations-64-bit-address-space-gpu-mirroring-and-yeah-something-about-relocs-too/){.external .text rel="nofollow"} 9. [i915: Security of the Intel Graphics Stack - Part 1 - Introduction](https://igor-blue.github.io/2021/02/10/graphics-part1.html){.external .text rel="nofollow"} 10. [i915: Security of the Intel Graphics Stack - Part 2 - FW \<-\> GuC](https://igor-blue.github.io/2021/02/24/graphics-part2.html){.external .text rel="nofollow"} 11. 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