1.\" $NetBSD: viocon.4,v 1.2 2022/08/13 17:02:10 wiz Exp $ 2.\" $OpenBSD: viocon.4,v 1.3 2017/06/21 08:21:14 akfaew Exp $ 3.\" 4.\" Copyright (c) 2015 Stefan Fritsch <sf@sfritsch.de> 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.\" 18.Dd August 13, 2022 19.Dt VIOCON 4 20.Os 21.Sh NAME 22.Nm viocon 23.Nd VirtIO console device 24.Sh SYNOPSIS 25.Cd "viocon* at virtio?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for the 30.Xr virtio 4 31console interface provided by KVM, QEMU, and others. 32.Pp 33It provides serial ports that are attached as ttys. 34.Sh FILES 35.Bl -tag -width Pa -compact 36.It Pa /dev/ttyVI00 37.It Pa /dev/ttyVI10 38.It Pa /dev/ttyVI20 39.It Pa /dev/ttyVI30 40.It Pa /dev/ttyVI40 41.El 42.Sh SEE ALSO 43.Xr intro 4 , 44.Xr tty 4 , 45.Xr virtio 4 46.Sh HISTORY 47The 48.Nm 49driver first appeared in 50.Ox 5.9 . 51.Sh AUTHORS 52.An -nosplit 53The 54.Nm 55driver was written for 56.Ox 57by 58.An Stefan Fritsch Aq Mt sf@sfritsch.de . 59It was ported to 60.Nx 10.0 . 61.Sh BUGS 62Use as a kernel console for 63.Nx 64is not yet supported. 65.Pp 66The multiport feature is not yet supported. 67