viocon(4)

viocon4

Virtio console device

Usage

viocon* at virtio?

Overview

The viocon driver provides support for the virtio(4) console interface provided by KVM, QEMU, and others.

It provides serial ports that are attached as ttys. Use as a kernel console for OpenBSD is not yet supported. The multiport feature is not yet supported.

Files

/dev/ttyVI00
/dev/ttyVI10
/dev/ttyVI20
/dev/ttyVI30
/dev/ttyVI40

Releases

23 releases since OpenBSD 5.9; the text changed 1 time.

  1. 5.9–6.1
  2. 6.2–8.0

History

The viocon driver first appeared in OpenBSD 5.9.

Authors

The viocon driver was written by Stefan Fritsch ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.