132 lines
4.6 KiB
Groff
132 lines
4.6 KiB
Groff
.\" $NetBSD: isp.4,v 1.5 1999/12/18 18:33:05 mjacob Exp $
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.\"
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.\" Copyright (c) 1998, 1999
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.\" Matthew Jacob, for NASA/Ames Research Center
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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 withough 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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.\"
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.Dd March 25, 1999
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.\".Dt AHC 4
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.Dt ISP 4
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.Os
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.Sh NAME
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.Nm isp
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.Nd Qlogic based SCSI and FibreChannel SCSI Host Adapters
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.Sh SYNOPSIS
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.Cd "isp* at pci? dev? function?" Pq PCI
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.Cd "isp* at sbus? slot ? offset ?" Pq SBus
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.Cd scsibus* at isp?
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.Sh DESCRIPTION
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This driver provides access to
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.Tn SCSI
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or
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.Tn FibreChannel
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devices.
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.Pp
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SCSI features include support for Ultra SCSI and wide mode transactions for
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.Tn SCSI ,
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and LVD (for the ISP1080 and ISP1280),
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.Pp
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Fibre Channel support uses FCP SCSI profile for
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.Tn FibreChannel .
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and utilizes Class 3 connections only. Support is available for Public
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and Private loops.
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Command tagging is supported for all (in fact,
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.Tn FibreChannel
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requires tagging).
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.Sh CONFIGURATION
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An optional
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.Tn flags 0x80
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appended to the above
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.Tn isp*
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declarations will disable the download of driver f/w, which means you
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use whatever F/W is running on the card. If no firmware is running on the card,
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the driver cannot operate the card.
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.Pp
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An optional
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.Tn flags 0x40
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appended to the above
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.Tn isp*
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declarations (can be OR'd in with the other config flags option)
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will keep the driver from looking at device or bus NVRAM settings (this
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is in case NVRAM is just wrong and you have the card in a platform where
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it is inconvenient to change NVRAM settings on the card).
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.Sh HARDWARE
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Supported cards include:
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.Pp
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.Bl -tag -width xxxxxx -offset indent
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.It ISP1000
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SBus Fast Wide, Ultra Fast Wide cards, Single Ended or Differential cards.
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.It PTI SBS440
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Perfomance Technology ISP1000 variants.
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.It ISP1020
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Qlogic 1020 Fast Wide and Differential Fast Wide PCI cards.
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.It ISP1040
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Qlogic 1040 Ultra Wide and Differential Ultra Wide PCI cards.
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.It PTI SBS450
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Perfomance Technology ISP1040 variants.
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.It Qlogic 1240
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Qlogic 1240 Dual Bus Ultra Wide and Differential Ultra Wide PCI cards.
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.It Qlogic 1080
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Qlogic 1280 LVD Ultra2 Wide PCI cards.
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.It Qlogic 1280
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Qlogic 1280 Dual Bus LVD Ultra2 Wide PCI cards.
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.It Qlogic 2100
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Qlogic 2100 and 2100A Copper and Optical Fibre Channel Arbitrated Loop
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.It Qlogic 2102
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Qlogic Dual Loop 2100A Optical Fibre Channel Arbitrated Loop PCI cards.
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.It Qlogic 2200
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Qlogic 2200 Copper and Optical Fibre Channel Arbitrated Loop PCI cards.
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.It Qlogic 2202
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Qlogic 2200 Dual Bus Optical Fibre Channel Arbitrated Loop PCI cards.
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.It PTI SBS470
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Perfomance Technology ISP2100 variants.
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.It Antares P-0033
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Antares Microsystems ISP2100 variants.
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.El
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.Sh BUGS
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The driver currently ignores some NVRAM settings.
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.Pp
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The driver currently doesn't do error recovery for timed out commands
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very gracefully.
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.Pp
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Fabric (public loop) support isn't very well debugged yet.
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.Pp
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Sometimes, when booting, the driver gets stuck waiting for the Fibre Channel
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f/w to tell it that the loop port database is ready. In this case you'll
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see an announcement that the loop state has a value of 0x1. To unwedge
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the system, unplug and replug the fibre channel connection, or otherwise
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cause a LIP (Loop Initialization Primitive sequence)- this will kick the f/w
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into getting unstuck.
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.Sh SEE ALSO
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.Xr intro 4 ,
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.Xr cd 4 ,
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.Xr scsi 4 ,
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.Xr sd 4 ,
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.Xr st 4
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.Sh AUTHOR
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The
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.Nm
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driver was written by Matthew Jacob for NASA/Ames Research Center.
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