wiki/virt/virtio.md

title	description	published	date	tags	editor	dateCreated
On paravirtualized hardware		true	2022-01-12T15:52:50.547Z		markdown	2022-01-12T14:22:51.514Z

Paravirtual devices

Paravirtual hardware are emulated hardware or devices that can be found in a virtual environment. Contrary to other emulated hardware, they don't intend to mimic a particular piece of real hardware. More details on the lexicon

In this section, the focus is oriented towards Virtual I/O Devices (VIRTIO), also known as the virtio family of devices:

• Graphical frame buffer:
  • virtio-gpu
• Video decoding/encoding:
  • virtio-video
• Sound:
  • virtio-snd
• Block storage:
  • virtio-blk
  • virtio-scsi

Virtual I/O Devices specifications

OASIS Open is a non-profit hosting standards related to the IT sector. They host VIRTIO specifications and its technical comittee. {.is-info}

• Below is a table showing support of virtio devices depending on the specification version

Paravirtual device	Spec 1.0	Spec 1.1	Spec 1.2
virtio-gpu	No	No	No
virtio-video	No	No	No
virtio-snd	No	No	No
virtio-blk	No	No	No
virtio-scsi	No	No	No
virtio-net	No	No	No
virtio-fs	No	No	No
virtio-keyboard	No	No	No
virtio-tablet	No	No	No
virtio-wayland	No	No	No
virtio-console	No	No	No

Resources

• Specifications
  • Version 1.0 of the specification for Virtual I/O Devices
  • Version 1.1 of the specification for Virtual I/O Devices
• OASIS Virtual I/O Device (VIRTIO) Technical Commitee's Page