freebsd-dev/share/man/man4/virtio_console.4

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.\" Copyright (c) 2014 Bryan Venteicher
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" $FreeBSD$
.\"
.Dd October 22, 2014
.Dt VIRTIO_CONSOLE 4
.Os
.Sh NAME
.Nm virtio_console
.Nd VirtIO Console driver
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device virtio_console"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
virtio_console_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
device driver provides support for VirtIO console devices.
.Pp
The console device may have one or more ports.
Each port is similar to a simple serial interface, and
each port is accessible through
.Xr tty 4 .
.Sh FILES
.Bl -tag -width ".Pa /dev/ttyV?.??" -compact
.It Pa /dev/ttyV?.??
.El
.Sh SEE ALSO
.Xr tty 4 ,
.Xr virtio 4
.Sh HISTORY
The
.Nm
driver was written by
.An Bryan Venteicher Aq bryanv@FreeBSD.org .