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+.\"	$OpenBSD: iopsp.4,v 1.1 2001/07/01 20:24:58 mickey Exp $
+.\"	$NetBSD: iopsp.4,v 1.2 2000/12/11 13:11:59 ad Exp $
+.\"
+.\" Copyright (c) 2000 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Andrew Doran.
+.\"
+.\" 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.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"        This product includes software developed by the NetBSD
+.\"        Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\"    contributors may be used to endorse or promote products derived
+.\"    from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 November 8, 1999
+.Dt IOPSP 4
+.Os
+.Sh NAME
+.Nm iopsp
+.Nd I2O SCSI port driver
+.Sh SYNOPSIS
+.Cd "iopsp* at iop? tid ?"
+.Cd "scsibus* at iopsp?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for I2O SCSI bus adapter ports and child
+peripherals.
+.Pp
+IOPs present each child peripheral attached to a bus adapter port as an
+individual device.  In order to present the appearance of a bus, the
+.Nm
+driver groups child peripherals by controlling port.
+.Pp
+On IOPs containing a SCSI port and block or tape driver modules, some SCSI
+devices may not be directly accessible.  For each inaccessible device, a
+message will be displayed during configuration.  For example:
+.Bd -literal
+	iopsp0: target 0,0 (tid 70): in use by tid 47
+.Ed
+.Pp
+Such devices will usually be indirectly accessible as block devices, either
+individually or as part of an array.
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr iop 4 ,
+.Xr scsibus 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Nx 1.6 .
+.Sh AUTHORS
+The
+.Nm
+driver was written by Andrew Doran
+.Aq ad@netbsd.org
+and ported to
+.Ox
+by
+.An Niklas Hallqvist Aq niklas@openbsd.org
+and
+.An Michael Shalayeff Aq mickey@openbsd.org .