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78 lines
2.7 KiB
Groff
78 lines
2.7 KiB
Groff
.\" Copyright (c) 1997
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.\" John-Mark Gurney. 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. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY John-Mark Gurney AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: sd.9,v 1.4 1997/03/07 02:53:36 jmg Exp $
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.\"
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.Dd February 1, 1997
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.Dt SD 9
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.Os FreeBSD
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.Sh NAME
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.Nm sd
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.Nd device driver for SCSI subsystem
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.Sh DESCRIPTION
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Some Type 0
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.Pq T_DIRECT
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scsi devices don't behave properly when some special scsi options are
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negotiated. See the QUIRKS section for info on how to disable some of these
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options.
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.Sh QUIRKS
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Each SCSI device can have problems that the driver needs to work around. See
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.Xr scsiconf 9
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for more info on adding quirks.
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.Bl -tag -width SD_Q_NO_TAGS
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.It Dv SD_Q_NO_TAGS
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This quirk flags will disable the use of tagged queuing when sending commands to
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the drive.
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.It Dv SD_Q_NO_SYNC
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This will disable synchronous negotiation with this drive.
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.It Dv SD_Q_NO_FAST
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This will disable fast negotiation with this drive.
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.It Dv SD_Q_NO_WIDE
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This will disable wide negotiation with this drive.
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.El
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.Sh FILES
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.Bl -tag -width /sys/scsi/scsiconf.h -compact
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.It Pa /sys/scsi/scsiconf.h
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contains the definition of
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.Dv SD_Q_xxx
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macros.
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.It Pa /sys/scsi/sd.c
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files contains actual driver code
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.El
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.Sh SEE ALSO
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.Xr sd 4 ,
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.Xr scsiconf 9
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.Sh HISTORY
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The
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.Nm
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manual page first appeared in
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.Fx 2.2 .
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.Sh AUTHORS
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This
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manual page was written by
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.An John-Mark Gurney Aq gurney_j@efn.org .
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