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title | description | published | date | tags | editor | dateCreated |
---|---|---|---|---|---|---|
On paravirtualized hardware | true | 2022-01-25T21:48:19.363Z | 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.
In this section, the focus is oriented towards Virtual I/O Devices (VIRTIO), better known as the virtio
family of devices.
List of paravirtual devices
This list is not meant to be exhaustive {.is-info}
Graphical frame buffer
virtio-gpu
- Paravirtual GPU that provides a subset of the host GPU capabilities to a guest virtual machine
Video decoding/encoding
virtio-video
- Paravirtual video device that provides encoding and decoding capabilities to a guest virtual machine
Sound
Storage
Network
Input devices
Miscellaneous
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 committee. {.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 | Yes | Yes |
virtio-video |
No | No | Yes |
virtio-snd |
No | No | Yes |
virtio-blk |
Yes | Yes | Yes |
virtio-scsi |
Yes | Yes | Yes |
virtio-fs |
No | No | ? |
virtio-net |
Yes | Yes | Yes |
virtio-keyboard |
No | No | ? |
virtio-tablet |
No | No | ? |
virtio-wayland |
No | No | ? |
virtio-console |
Yes | Yes | Yes |
Resourcess
- 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
virtio
entry on OSDev.org