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title description published date tags editor dateCreated
On paravirtualized hardware true 2022-01-12T16:01:26.136Z markdown 2022-01-12T14:22:51.514Z

Paravirtual hardware

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: paravirtual GPU.
    • Provides a subset of the host GPU capabilities to a guest virtual machine

Video decoding/encoding

  • virtio-video: paravirtual video device
    • Provides encoding and decoding capabilities to a guest virtual machine

Sound

Storage

Network

Input devices

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 Yes
virtio-video No No Yes
virtio-snd No No Yes
virtio-blk No No No
virtio-scsi No No No
virtio-fs No No No
virtio-net No No No
virtio-keyboard No No No
virtio-tablet No No No
virtio-wayland No No No
virtio-console No No No

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