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-.\" $FreeBSD$
-.\" Copyright (c) 1996
-.\" Julian Elischer <julian@freebsd.org>. All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\"
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.Dd August 27, 1993
-.Dt SU 4
-.Os FreeBSD
-.Sh NAME
-.Nm su
-.Nd scsi user-level driver
-.Sh SYNOPSIS
-.Cd "pseudo-device su"
-.Sh DESCRIPTION
-The
-.Nm su
-driver provides support for a
-process to address arbitrary locations on the scsi bus. Minor
-numbers are mapped 1:1 to bus:target:lun. The lowest three bits being LUN
-and the next three bits being TARGET. Remaining bits are the bus number.
-.Pp
-A scsi adapter must also be separately configured into the system
-before this driver makes sense.
-.Pp
-.Sh KERNEL CONFIGURATION
-There are no configuration parameters for the su option. It's either there
-or it's not.
-
-.Pp
-.Sh IOCTLS
-The
-.Nm
-driver has no ioctls of it's own but rather acts as a medium for the
-generic
-.Xr scsi 4
-ioctls. These are described in
-.Em sys/scsiio.h.
-
-
-.Sh FILES
-.Bl -tag -width /dev/su0-0-0XXXXXXXXXXX -compact
-.It Pa /dev/su[0-9]-[0-7]-[0-7]
-su{x}-{y}-{z} is the su device for the device at bus x, target y, lun z
-.El
-.Sh DIAGNOSTICS
-All
-.Xr scsi 4
-debug ioctls work on
-.Nm
-devices.
-.Sh SEE ALSO
-.Xr cd 4 ,
-.Xr scsi 4 ,
-.Xr sd 4 ,
-.Xr ssc 4 ,
-.Xr st 4 ,
-.Xr uk 4
-.Sh HISTORY
-The
-.Nm
-driver appeared in 386BSD 0.1.
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