NetBSD/share/man/man4/uk.4

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.\" $NetBSD: uk.4,v 1.6 1998/04/30 08:50:14 fair Exp $
1996-10-21 03:15:21 +04:00
.\"
.\" 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
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.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\"
.Dd October 11, 1993
.Dt UK 4
.Os NetBSD
.Sh NAME
.Nm uk
.Nd SCSI user-level driver
.Sh SYNOPSIS
.Cd "uk* at scsibus? target ? lun ?"
.Sh DESCRIPTION
The
.Nm
driver provides support for a process to address devices on the
.Tn SCSI
bus for which there is no configured driver.
.Pp
A
.Tn SCSI
adapter must also be separately configured into the system before
this driver makes sense.
.Pp
.Sh KERNEL CONFIGURATION
If a
.Ar count
is given, that number of
.Nm
devices will be configured into the
.Nx
kernel.
.Pp
.Sh IOCTLS
The
.Nm
driver has no ioctls of its own but rather acts as a medium for the generic
.Xr scsi 4
ioctls.
These are described in
.Pa Aq sys/scsiio.h .
.Sh FILES
.Bl -tag -width /dev/uk[0-255] -compact
.It Pa /dev/uk[0-255]
unknown
.Tn SCSI
devices.
.El
.Sh DIAGNOSTICS
All
.Xr scsi 4
debug ioctls work on
.Nm
devices.
.Sh SEE ALSO
.Xr ioctl 2 ,
.Xr cd 4 ,
.Xr ch 4 ,
.Xr scsi 4 ,
.Xr sd 4 ,
.Xr ss 4 ,
.Xr st 4
.Sh HISTORY
The
.Nm
driver appeared in
.Tn 386BSD 0.1 Ns .