MFp4 (//depot/projects/mps/...)
Add a man page for the mps(4) driver, and reference it in the mpt(4) driver man page. Sponsored by: Spectra Logic Corporation
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@ -219,6 +219,7 @@ MAN= aac.4 \
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mmcsd.4 \
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mn.4 \
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mouse.4 \
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mps.4 \
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mpt.4 \
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msk.4 \
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mtio.4 \
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159
share/man/man4/mps.4
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159
share/man/man4/mps.4
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@ -0,0 +1,159 @@
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.\"
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.\" Copyright (c) 2010 Spectra Logic Corporation
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.\" 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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.\" without modification.
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.\" 2. Redistributions in binary form must reproduce at minimum a disclaimer
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.\" substantially similar to the "NO WARRANTY" disclaimer below
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.\" ("Disclaimer") and any redistribution must be conditioned upon
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.\" including a substantially similar Disclaimer requirement for further
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.\" binary redistribution.
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.\"
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.\" NO WARRANTY
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.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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.\" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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.\" HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGES.
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.\"
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.\" mps driver man page.
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.\"
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.\" Author: Ken Merry <ken@FreeBSD.org>
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.\"
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.\" $Id: //depot/SpectraBSD/head/share/man/man4/mps.4#1 $
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.\" $FreeBSD$
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.\"
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.Dd September 13, 2010
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.Dt MPS 4
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.Os
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.Sh NAME
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.Nm mps
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.Nd LSI Fusion-MPT 2 Serial Attached SCSI driver
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.Sh SYNOPSIS
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To compile this driver into your kernel,
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place the following lines in your kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device scbus"
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.Cd "device mps"
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.Ed
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.Pp
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Or, to load the driver as a module at boot, 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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mpt_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for LSI Logic Fusion-MPT 2
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.Tn SAS
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controllers.
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.Sh HARDWARE
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The following controllers are supported by the
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.Nm
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driver
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.Pp
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.Bl -bullet -compact
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.It
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LSI Logic SAS2004 (4 Port
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.Tn SAS )
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.It
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LSI Logic SAS2008 (8 Port
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.Tn SAS )
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.It
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LSI Logic SAS2108 (8 Port
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.Tn SAS )
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.It
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LSI Logic SAS2116 (16 Port
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.Tn SAS )
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.It
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LSI Logic SAS2208 (8 Port
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.Tn SAS )
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.El
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.Sh CONFIGURATION
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To disable MSI interrupts for all
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.Nm
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driver instances, set the following tunable value in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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hw.mps.disable_msi=1
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.Ed
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.Pp
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To disable MSI-X interrupts for all
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.Nm
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driver instances, set the following tunable value in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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hw.mps.disable_msix=1
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.Ed
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.Sh DEBUGGING
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To enable debugging prints from the
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.Nm
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driver, set the
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.Bd -literal -offset indent
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hw.mps.X.debug_level
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.Ed
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.Pp
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variable, where X is the adapter number, either in
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.Xr loader.conf 5
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or via
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.Xr sysctl 8 .
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The following bits have the described effects:
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.Bl -tag -offset indent
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.It 0x01
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Enable informational prints.
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.It 0x02
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Enable tracing prints.
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.It 0x04
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Enable prints for driver faults.
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.It 0x08
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Enable prints for controller events.
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.El
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.Sh SEE ALSO
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.Xr cd 4 ,
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.Xr ch 4 ,
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.Xr da 4 ,
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.Xr mpt 4 ,
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.Xr pci 4 ,
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.Xr sa 4 ,
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.Xr scsi 4 ,
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.Xr targ 4
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.Sh BUGS
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This driver is still in development, it has only been tested on the amd64
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architecture and has some known shortcomings:
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.Bl -bullet -compact
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.It
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No IR (Integrated RAID) support.
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.It
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No userland utility support (e.g.
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.Xr mptutil 8).
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.It
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Sometimes the driver gets into a state where devices arrive and depart multiple
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times, without user intervention.
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.It
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The error recovery code isn't complete.
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.El
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 9.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was originally written by
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.An Scott Long Aq scottl@FreeBSD.org .
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This man page was written by
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.An Ken Merry Aq ken@FreeBSD.org .
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@ -152,6 +152,7 @@ can take on - no separate compilation is required.
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.Xr cd 4 ,
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.Xr ch 4 ,
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.Xr da 4 ,
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.Xr mps 4 ,
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.Xr pci 4 ,
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.Xr sa 4 ,
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.Xr scsi 4 ,
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