VirtIO console device
viocon* at virtio?
viocon driver provides support for the
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.
intro(4), tty(4), virtio(4)
viocon driver first appeared in
viocon driver was written by