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.\" $OpenBSD: xbf.4,v 1.2 2016/12/07 17:11:09 jmc Exp $
.\"
.\" Copyright (c) 2016 Mike Belopuhov
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: December 7 2016 $
.Dt XBF 4
.Os
.Sh NAME
.Nm xbf
.Nd Xen Blkfront virtual disk
.Sh SYNOPSIS
.Cd "xbf* at xen?"
.Sh DESCRIPTION
The
.Nm
driver provides support for a paravirtual disk interface
.Qq Blkfront ,
native to the Xen hypervisor.
.Pp
During attach the
.Nm
driver will ask the hypervisor to switch all configured virtual disks
over to the Blkfront interface regardless of the VM configuration.
.Sh SEE ALSO
.Xr autoconf 4 ,
.Xr intro 4 ,
.Xr xen 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 6.1 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Mike Belopuhov Aq Mt mikeb@openbsd.org
based on the
.Xr vdsk 4
driver by
.An -nosplit
.An Mark Kettenis Aq Mt kettenis@openbsd.org ,
inspired by the
.Fx
implementation.
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