241 lines
7.8 KiB
Groff
241 lines
7.8 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, 2001
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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 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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.\" Additional Copyright (c) 2006 by Marcus Alves Grando
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.\"
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.\" $FreeBSD$
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.\"
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.Dd October 29, 2015
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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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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device scbus"
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.Cd "device isp"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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isp_load="YES"
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.Ed
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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
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for
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.Tn SCSI ,
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Ultra2 LVD (ISP1080, ISP1280), and Ultra3 LVD (ISP12160).
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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 and Class 2 connections (Qlogic 2100 is Class
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3 only, minor patches to the Qlogic 2200 to force Class 2 mode).
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Support is available for Public and Private loops, and for
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point-to-point connections (Qlogic 2200 only).
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The newer 2-Gigabit cards (2300, 2312, 2322), 4-Gigabit (2422, 2432)
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and 8-Gigabit (2532) are also supported.
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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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Fabric support is enabled by default for other than 2100 cards.
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Fabric support for 2100 cards has been so problematic and these cards are so
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old now that it is just not worth your time to try it.
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.Sh FIRMWARE
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Firmware is available if the
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.Xr ispfw 4
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module is loaded during bootstrap (q.v.).
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.Pp
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It is
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.Ar strongly
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recommended that you use the firmware available
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from
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.Xr ispfw 4
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as it is the most likely to have been tested with this driver.
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.Sh HARDWARE
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Cards supported by the
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.Nm
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driver include:
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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
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cards.
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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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Also known as the DEC KZPBA-CA (single ended) and KZPBA-CB (HVD differential).
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.It Qlogic 1020
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Qlogic 1020 SCSI cards.
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.It Qlogic 1040
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Qlogic 1040 Ultra SCSI cards.
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.It Qlogic 1080
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Qlogic 1080 LVD Ultra2 Wide SCSI cards.
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.It Qlogic 10160
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Qlogic 10160 LVD Ultra3 Wide PCI cards.
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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 1280
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Qlogic 1280 Dual Bus LVD Ultra2 Wide PCI cards.
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.It Qlogic 12160
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Qlogic 12160 Dual Bus LVD Ultra3 Wide PCI cards.
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.It Qlogic 210X
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Qlogic 2100 and 2100A Copper and Optical Fibre Channel Arbitrated
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Loop (single, dual).
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.It Qlogic 220X
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Qlogic 2200 Copper and Optical Fibre Channel Arbitrated Loop PCI
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cards (single, dual, quad).
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.It Qlogic 2300
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Qlogic 2300 Optical 2Gb Fibre Channel PCI cards.
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.It Qlogic 2312
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Qlogic 2312 Optical 2Gb Fibre Channel PCI cards.
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.It Qlogic 234X
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Qlogic 234X Optical 2Gb Fibre Channel PCI cards (2312 chipset, single and dual attach).
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.It Qlogic 2322
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Qlogic 2322 Optical 2Gb Fibre Channel PCIe cards.
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.It Qlogic 200
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Dell branded version of the QLogic 2312.
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.It Qlogic 2422
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Qlogic 2422 Optical 4Gb Fibre Channel PCI cards.
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.It Qlogic 2432
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Qlogic 2432 Optical 4Gb Fibre Channel PCIe cards.
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.It Qlogic 2532
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Qlogic 2532 Optical 8Gb Fibre Channel PCIe cards.
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.El
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.Sh CONFIGURATION OPTIONS
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Target mode support may be enabled with the
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.Pp
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.Cd options ISP_TARGET_MODE
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.Pp
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option.
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.Sh BOOT OPTIONS
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The following options are switchable by setting values in
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.Pa /boot/device.hints .
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.Pp
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They are:
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.Bl -tag -width indent
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.It Va hint.isp.0.disable
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A hint value to disable driver in kernel.
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.It Va hint.isp.0.fwload_disable
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A hint value to disable loading of firmware
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.Xr ispfw 4 .
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.It Va hint.isp.0.prefer_memmap
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A hint value to use PCI memory space instead of I/O space
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access for.
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.It Va hint.isp.0.prefer_iomap
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A hint value to use PCI I/O space instead of Memory space
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access for.
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.It Va hint.isp.0.ignore_nvram
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A hint value to ignore board NVRAM settings for.
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Otherwise use NVRAM settings.
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.It Va hint.isp.0.fullduplex
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A hint value to set full duplex mode.
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.It Va hint.isp.0.topology
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A hint value to select topology of connection.
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Supported values are:
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.Pp
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.Bl -tag -width ".Li lport-only" -compact
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.It Li lport
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Prefer loopback and fallback to point to point.
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.It Li nport
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Prefer point to point and fallback to loopback.
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.It Li lport-only
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Loopback only.
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.It Li nport-only
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Point to point only.
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.El
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.It Va hint.isp.0.portwwn
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This should be the full 64 bit World Wide Port Name you would like
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to use, overriding the value in NVRAM for the card.
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.It Va hint.isp.0.nodewwn
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This should be the full 64 bit World Wide Node Name you would like
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to use, overriding the value in NVRAM for the card.
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.It Va hint.isp.0.iid
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A hint to override or set the Initiator ID or Loop ID.
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For Fibre Channel
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cards in Local Loop topologies it is
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.Ar strongly
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recommended that you set this value to non-zero.
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.It Va hint.isp.0.role
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A hint to define default role for isp instance (target, initiator, both).
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.It Va hint.isp.0.debug
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A hint value for a driver debug level (see the file
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.Pa /usr/src/sys/dev/isp/ispvar.h
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for the values.
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.It Va hint.isp.0.vports
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A hint to create specified number of additional virtual ports.
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.El
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.Sh SYSCTL OPTIONS
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.Bl -tag -width indent
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.It Va dev.isp.N.loop_down_limit
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This value says how long to wait in seconds after loop has gone down before
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giving up and expiring all of the devices that were visible.
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The default is 300 seconds (5 minutes).
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A separate (nonadjustable) timeout is used when
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booting to not stop booting on lack of FC connectivity.
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.It Va dev.isp.N.gone_device_time
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This value says how long to wait for devices to reappear if they (temporarily)
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disappear due to loop or fabric events.
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While this timeout is running, I/O
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to those devices will simply be held.
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.It Va dev.isp.N.wwnn
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This is the readonly World Wide Node Name value for this port.
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.It Va dev.isp.N.wwpn
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This is the readonly World Wide Port Name value for this port.
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.El
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.Sh SEE ALSO
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.Xr da 4 ,
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.Xr intro 4 ,
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.Xr ispfw 4 ,
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.Xr sa 4 ,
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.Xr scsi 4 ,
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.Xr gmultipath 8
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Matthew Jacob
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originally for NetBSD at NASA/Ames Research Center.
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Some later improvement was done by
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.An Alexander Motin Aq Mt mav@FreeBSD.org .
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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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Target mode support works reasonably well for 23xx and above Fibre Channel
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cards, but not really tested on older ones.
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