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.Dd October 24, 2019
.Dt VIO9P 4
.Os
.Sh NAME
.Nm vio9p
.Nd VirtIO 9p front-end driver
.Sh SYNOPSIS
.Cd "vio9p* at virtio?"
.Sh DESCRIPTION
In conjunction with
.Xr mount_9p 8 ,
the
.Nm
driver enables a
.Nx
system running as a VM guest to mount an exported file system
by the host via virtio-9p.
It exports a 9p end-point of virtio-9p via a character device file for
.Xr mount_9p 8 .
.Pp
Each exported file system is assigned a character device and accessible via
.Pa /dev/vio9p0 ,
.Pa /dev/vio9p1
and so on, respectively, in exporting order by the host.
.Sh FILES
.Bl -tag -width XdevXvio9pX -compact
.It Pa /dev/vio9p?
.El
.Sh EXAMPLES
The following command mounts the first exported file system by the host at
.Pa /mnt/9p :
.Bd -literal -offset indent
# mount_9p -cu /dev/vio9p0 /mnt/9p
.Ed
.Sh SEE ALSO
.Xr virtio 4 ,
.Xr mount_9p 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 10.0 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Ryota Ozaki Aq Mt ozaki-r@iij.ad.jp .