Virtual I/O Internals - Revision history

WikiBot: Carry the site-wide About/licensing message on every page (2026-10-12)

2026-10-12T04:29:09Z

Carry the site-wide About/licensing message on every page (2026-10-12)

← Older revision		Revision as of 04:29, 12 October 2026
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			{{About message}}

	{{Historical}}		{{Historical}}
	The following document details the internals of a '''VFIO (Virtual Function I/O)''' driven '''Shared''' '''I/O Device.'''~~<blockquote>An absence of critical technical documentation has historically slowed growth and adoption of developer ecosystems for GPU virtualization.~~		The following document details the internals of a '''VFIO (Virtual Function I/O)''' driven '''Shared''' '''I/O Device.'''

	This [https://creativecommons.org/licenses/by/4.0/ CC-BY-4.0] 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.</blockquote>

	This article places emphasis on the '''Virtual GPU (vGPU)''' use case however these concepts apply generically to virtualization of I/O devices (TPUs, NICs, storage peripherals, ect..).		This article places emphasis on the '''Virtual GPU (vGPU)''' use case however these concepts apply generically to virtualization of I/O devices (TPUs, NICs, storage peripherals, ect..).

WikiBot: Add historical banner (2026 documentation update)

2026-10-12T04:23:14Z

Add historical banner (2026 documentation update)

← Older revision		Revision as of 04:23, 12 October 2026
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			{{Historical}}
	The following document details the internals of a '''VFIO (Virtual Function I/O)''' driven '''Shared''' '''I/O Device.'''<blockquote>An absence of critical technical documentation has historically slowed growth and adoption of developer ecosystems for GPU virtualization.		The following document details the internals of a '''VFIO (Virtual Function I/O)''' driven '''Shared''' '''I/O Device.'''<blockquote>An absence of critical technical documentation has historically slowed growth and adoption of developer ecosystems for GPU virtualization.

Arthur: /* References (Talks & Reading Material) */

2023-06-19T17:54:32Z

References (Talks & Reading Material)

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	#[https://sdic.sjtu.edu.cn/wp-content/uploads/2019/12/Mediated-Pass-Through-MPT-NVIDIA-vGPU.pptx Dynamic Mediation for Live Migration VFIO-PCI]		#[https://sdic.sjtu.edu.cn/wp-content/uploads/2019/12/Mediated-Pass-Through-MPT-NVIDIA-vGPU.pptx Dynamic Mediation for Live Migration VFIO-PCI]
	#[https://lwn.net/Articles/746127/ DRM Management Via CGroups]		#[https://lwn.net/Articles/746127/ DRM Management Via CGroups]
			#[https://lwn.net/Articles/292583/ DRM: Add GEM ("graphics execution manager") to i915 driver.]

Arthur at 17:52, 19 June 2023

2023-06-19T17:52:39Z

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	#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>] - [https://fs.emersion.fr/protected/presentations/present.html?src=kms-foss-north/index.md#1 slides]		#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>] - [https://fs.emersion.fr/protected/presentations/present.html?src=kms-foss-north/index.md#1 slides]
	#[https://sdic.sjtu.edu.cn/wp-content/uploads/2019/12/Mediated-Pass-Through-MPT-NVIDIA-vGPU.pptx Dynamic Mediation for Live Migration VFIO-PCI]		#[https://sdic.sjtu.edu.cn/wp-content/uploads/2019/12/Mediated-Pass-Through-MPT-NVIDIA-vGPU.pptx Dynamic Mediation for Live Migration VFIO-PCI]
			#[https://lwn.net/Articles/746127/ DRM Management Via CGroups]

Arthur at 17:02, 12 June 2023

2023-06-12T17:02:36Z

← Older revision		Revision as of 17:02, 12 June 2023
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	#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]		#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]
	#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>] - [https://fs.emersion.fr/protected/presentations/present.html?src=kms-foss-north/index.md#1 slides]		#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>] - [https://fs.emersion.fr/protected/presentations/present.html?src=kms-foss-north/index.md#1 slides]
			#[https://sdic.sjtu.edu.cn/wp-content/uploads/2019/12/Mediated-Pass-Through-MPT-NVIDIA-vGPU.pptx Dynamic Mediation for Live Migration VFIO-PCI]

Arthur: /* References (Talks & Reading Material) */

2023-05-22T21:20:20Z

References (Talks & Reading Material)

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	#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]		#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]
	#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]		#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]
	#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>]		#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>] - [https://fs.emersion.fr/protected/presentations/present.html?src=kms-foss-north/index.md#1 slides]

Arthur: /* References (Talks & Reading Material) */

2023-05-22T16:28:00Z

References (Talks & Reading Material)

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	#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]		#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]
	#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]		#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]
			#[https://yewtu.be/watch?v=haes4_Xnc5Q <nowiki>[2020] Getting pixels on screen: introduction to Kernel Mode Setting (KMS) by Simon Ser</nowiki>]

Arthur: /* References (Talks & Reading Material) */

2023-05-05T20:54:27Z

References (Talks & Reading Material)

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	#[https://docs.kernel.org/gpu/drm-mm.html docs.kernel.org: DRM Memory Management]		#[https://docs.kernel.org/gpu/drm-mm.html docs.kernel.org: DRM Memory Management]
	#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]		#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]
			#[https://openglbook.com/chapter-0-preface-what-is-opengl.html openglbook.com: What is OpenGL?]

Arthur: /* References (Talks & Reading Material) */

2023-04-05T23:31:35Z

References (Talks & Reading Material)

← Older revision		Revision as of 23:31, 5 April 2023
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	#[https://www.usenix.org/conference/atc14/technical-sessions/presentation/tian A Full GPU Virtualization Solution with Mediated Pass-Through by Yiying Zhang, David Cowperthwaite, Kun Tian, and Yaozu Dong] - [https://www.usenix.org/system/files/conference/atc14/atc14-paper-tian.pdf <nowiki>[Paper]</nowiki>] - [https://www.youtube.com/watch?v=vvYmDQKZ6MQ <nowiki>[Video]</nowiki>] - [https://www.usenix.org/sites/default/files/conference/protected-files/atc14_slides_tian.pdf <nowiki>[Slides 1]</nowiki>] - [https://cseweb.ucsd.edu/~yiying/cse291j-winter20/reading/GPU-Virtualization.pdf <nowiki>[Slides 2]</nowiki>]		#[https://www.usenix.org/conference/atc14/technical-sessions/presentation/tian A Full GPU Virtualization Solution with Mediated Pass-Through by Yiying Zhang, David Cowperthwaite, Kun Tian, and Yaozu Dong] - [https://www.usenix.org/system/files/conference/atc14/atc14-paper-tian.pdf <nowiki>[Paper]</nowiki>] - [https://www.youtube.com/watch?v=vvYmDQKZ6MQ <nowiki>[Video]</nowiki>] - [https://www.usenix.org/sites/default/files/conference/protected-files/atc14_slides_tian.pdf <nowiki>[Slides 1]</nowiki>] - [https://cseweb.ucsd.edu/~yiying/cse291j-winter20/reading/GPU-Virtualization.pdf <nowiki>[Slides 2]</nowiki>]
	#[https://www.youtube.com/watch?v=-iuIu7_GuEo <nowiki>[2014] KvmGT: A Full GPU Virtualization Solution by Jike Song</nowiki>]		#[https://www.youtube.com/watch?v=-iuIu7_GuEo <nowiki>[2014] KvmGT: A Full GPU Virtualization Solution by Jike Song</nowiki>]
	#[https://docs.kernel.org/gpu/drm-mm.html ~~Kernel~~.org: DRM Memory Management]		#[https://docs.kernel.org/gpu/drm-mm.html docs.kernel.org: DRM Memory Management]
			#[https://docs.kernel.org/PCI/index.html docs.kernel.org: PCI Bus Subsystem]

Arthur: /* References (Talks & Reading Material) */

2023-03-28T19:50:00Z

References (Talks & Reading Material)

← Older revision		Revision as of 19:50, 28 March 2023
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	#[https://www.usenix.org/conference/atc14/technical-sessions/presentation/tian A Full GPU Virtualization Solution with Mediated Pass-Through by Yiying Zhang, David Cowperthwaite, Kun Tian, and Yaozu Dong] - [https://www.usenix.org/system/files/conference/atc14/atc14-paper-tian.pdf <nowiki>[Paper]</nowiki>] - [https://www.youtube.com/watch?v=vvYmDQKZ6MQ <nowiki>[Video]</nowiki>] - [https://www.usenix.org/sites/default/files/conference/protected-files/atc14_slides_tian.pdf <nowiki>[Slides 1]</nowiki>] - [https://cseweb.ucsd.edu/~yiying/cse291j-winter20/reading/GPU-Virtualization.pdf <nowiki>[Slides 2]</nowiki>]		#[https://www.usenix.org/conference/atc14/technical-sessions/presentation/tian A Full GPU Virtualization Solution with Mediated Pass-Through by Yiying Zhang, David Cowperthwaite, Kun Tian, and Yaozu Dong] - [https://www.usenix.org/system/files/conference/atc14/atc14-paper-tian.pdf <nowiki>[Paper]</nowiki>] - [https://www.youtube.com/watch?v=vvYmDQKZ6MQ <nowiki>[Video]</nowiki>] - [https://www.usenix.org/sites/default/files/conference/protected-files/atc14_slides_tian.pdf <nowiki>[Slides 1]</nowiki>] - [https://cseweb.ucsd.edu/~yiying/cse291j-winter20/reading/GPU-Virtualization.pdf <nowiki>[Slides 2]</nowiki>]
	#[https://www.youtube.com/watch?v=-iuIu7_GuEo <nowiki>[2014] KvmGT: A Full GPU Virtualization Solution by Jike Song</nowiki>]		#[https://www.youtube.com/watch?v=-iuIu7_GuEo <nowiki>[2014] KvmGT: A Full GPU Virtualization Solution by Jike Song</nowiki>]
			#[https://docs.kernel.org/gpu/drm-mm.html Kernel.org: DRM Memory Management]