VIOCON(4) Device Drivers Manual VIOCON(4)

viocon
VirtIO console device

viocon* at virtio?

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.

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

intro(4), tty(4), virtio(4)

The viocon driver first appeared in OpenBSD 5.9.

The viocon driver was written for OpenBSD by Stefan Fritsch <sf@sfritsch.de>. It was ported to NetBSD 10.0.

Use as a kernel console for NetBSD is not yet supported.

The multiport feature is not yet supported.

August 13, 2022 NetBSD 10.0