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287 lines
9.1 KiB
Groff
287 lines
9.1 KiB
Groff
.\" Copyright (c) 1994 Wolfgang Stanglmeier. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $Id: ncrcontrol.8,v 1.1 94/10/09 21:25:51 wolf Exp $
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.\"
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.Dd September 16, 1994
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.Dt NCRCONTROL 8
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.Os FreeBSD
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.Sh NAME
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.Nm ncrcontrol
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.Nd manually configure the ncr810/825 PCI/SCSI device driver
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.Sh SYNOPSIS
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.\"--------------------------------------------------------
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.\" ncrcontrol [-Mcore] [-Nsystem] [-u unit] [-v] [-v] -i
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.\"--------------------------------------------------------
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.Nm ncrcontrol
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl u Ar unit
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.Op Fl v
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.Op Fl v
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.Fl i
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.\"--------------------------------------------------------
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.\" ncrcontrol [-N system] [-u unit] [-p wait]
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.\"--------------------------------------------------------
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.Nm ncrcontrol
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.Op Fl N Ar system
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.Op Fl u Ar unit
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.Op Fl p Ar wait
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.\"------------------------------------------------------------
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.\" ncrcontrol [-Nsystem] [-u unit] [-t target] -s name=value
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.\"------------------------------------------------------------
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.Nm ncrcontrol
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.Op Fl N Ar system
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.Op Fl u Ar unit
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.Op Fl t Ar target
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.Fl s
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.Ar name=value
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.\"------------------------------------------------------------
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.\" ncrcontrol [-Mcore] [-Nsystem] [-u unit] [-t target] -d pattern
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.\"------------------------------------------------------------
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.Nm ncrcontrol
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Op Fl u Ar unit
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.Op Fl t Ar target
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.Fl d
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.Ar debug
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.\"------------------------------------------------------------
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.\" ncrcontrol [-Nsystem] [-u unit] -w -k torture
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.\"------------------------------------------------------------
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.Nm ncrcontrol
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.Op Fl N Ar system
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.Op Fl u Ar unit
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.Fl w
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.Fl k
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.Ar torture
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.\"
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.\"=====================================================================
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.\"
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.Sh DESCRIPTION
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The
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.Nm ncrcontrol
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command symbolically displays the contents of the ncr810/ncr825
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pci/scsi driver control structure.
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There are a number of output formats,
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depending on the options for the information presented.
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It may be used to set some values, too.
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.\"--------------------------------------------------------
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.\" ncrcontrol [-Mcore] [-Nsystem] [-u unit] [-v] [-v] -i
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.\"--------------------------------------------------------
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The first form of the command displays an overview of the
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connected targets. The
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.Fl v
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requests a verbose output.
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.\"--------------------------------------------------------
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.\" ncrcontrol [-N system] [-u unit] [-p wait]
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.\"--------------------------------------------------------
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Using the second form, with a
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.Ar wait
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interval specified,
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.Nm ncrcontrol
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will continuously display the information regarding data
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traffic on the selected scsi bus.
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.\"------------------------------------------------------------
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.\" ncrcontrol [-Nsystem] [-u unit] [-t target] -s name=value
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.\"------------------------------------------------------------
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The third form sets a configuration value for one or all
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targets of a selected scsi bus.
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It normally is not needed, if the device driver options are
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correctly set in kernel configuration.
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.\"------------------------------------------------------------
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.\" ncrcontrol [-M core] [-N system] [-u unit] [-t target] -w -d pattern
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.\"------------------------------------------------------------
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The forth form presents the content of the drivers control
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structure. By the
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.Ar pattern
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certain parts of the output can be enabled/disabled.
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It's only used to debug the driver.
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.\"------------------------------------------------------------
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.\" ncrcontrol [-N system] [-u unit] -w -k torture
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.\"------------------------------------------------------------
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With the last form certain driver problems can be forced.
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THIS MAY CRASH YOUR SYSTEM.
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It's only used to debug the driver.
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.\"
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.\"=====================================================================
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.\"
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.Pp
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The options have the following meaning:
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.Bl -tag -width flag
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.\"------------------------------------------------------------
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.\" -d pattern
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.\"------------------------------------------------------------
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.It Fl d
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Show the content of the drivers control structure.
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The
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.Ar pattern
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selects the fields, which are displayed. With
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.Fl d?
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you can get a list of valid flags.
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.\"------------------------------------------------------------
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.\" -i
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.\"------------------------------------------------------------
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.It Fl i
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Show the configuration state of the connected targets.
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With the
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.Fl v
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option you can request a more verbose information.
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.\"------------------------------------------------------------
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.\" -k torture
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.\"------------------------------------------------------------
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.It Fl k
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Force certain driver problems to check the error recovery
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functions. This option should only be used by the developers.
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With
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.Fl k?
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you can get a list of possible tortures.
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This option requires the
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.Fl w
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option to be set.
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.\"------------------------------------------------------------
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.\" -M core
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.\"------------------------------------------------------------
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.It Fl M
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Extract values associated with the name list from the specified core
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instead of the default
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.Pa /dev/kmem .
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.\"------------------------------------------------------------
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.\" -N system
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.\"------------------------------------------------------------
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.It Fl N
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Extract the name list from the specified system instead of the default
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.Pa /386bsd .
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.\"------------------------------------------------------------
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.\" -p wait
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.\"------------------------------------------------------------
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When
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.Nm ncrcontrol
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is invoked with a
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.Ar wait
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interval argument, it displays a running count of statistics related to
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the transfers on the selected scsi bus.
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This display consists of the number of transfers and number of transferred
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byted for the controller and for each connected target.
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(NOT YET COMPLETE)
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.\"------------------------------------------------------------
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.\" -s field=value
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.\"------------------------------------------------------------
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.It Fl s
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Set a configuration value for one or more targets.
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One ore more targets can be selected by the
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.Fl t
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option. If no target is selected, then the field is set
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for all connect targets.
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(NOT YET COMPLETE)
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.\"------------------------------------------------------------
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.\" -t target
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.\"------------------------------------------------------------
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.It Fl t
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Select the target for the
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.Fl s
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option. This option may be given more than one time.
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.\"------------------------------------------------------------
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.\" -u unit
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.\"------------------------------------------------------------
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.It Fl u
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Select the controller unit.
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If this option is not given, then controller 0 is assumed.
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Most systems have only one controller.
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.\"------------------------------------------------------------
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.\" -v
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.\"------------------------------------------------------------
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.It Fl v
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Enable verbose output for the
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.Fl i
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option.
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.\"------------------------------------------------------------
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.\" -w
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.\"------------------------------------------------------------
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.It Fl w
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Wizard option.
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Enable the usage of the
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.Fl k
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option.
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.\"
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.\"=====================================================================
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.\"
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.Pp
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(NOT YET COMPLETE)
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.\"
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.\"=====================================================================
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.\"
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.Sh SEE ALSO
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.Xr scsi 5
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.\"
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.\"=====================================================================
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.\"
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.Sh HISTORY
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The
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.Nm ncrcontrol
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command was hacked for
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.Bx 386
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and ported to version 1.1 of
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.Bx Free
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by Wolfgang Stanglmeier <wolf@dentaro.GUN.de>.
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It was ported to
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.Bx Net
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by Charles M. Hannum <mycroft@gnu.ai.mit.edu>
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and to version 2.0 of
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.Bx Free
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by Stefan Esser <se@zpr.Uni-Koeln.DE>.
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.\"
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.\"=====================================================================
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.\"
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.Sh BUGS
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The
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.Nm ncrcontrol
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was hacked as a debugging tool for the ncr810 driver.
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It should be deleted sometimes.
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There should be a general tool to change device driver options
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on the fly.
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The statistical data should be gathered by the generic scsi driver.
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