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+.\" $NetBSD: amr.4,v 1.15 2017/07/03 21:30:58 wiz Exp $
+.\"
+.\" Copyright (c) 2000 Jeroen Ruigrok van der Werven
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. The name of the author may not be used to endorse or promote products
+.\" derived from this software without specific prior written permission
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\" $FreeBSD: /repoman/r/ncvs/src/share/man/man4/amr.4,v 1.16 2003/03/26 01:34:23 keramida Exp $
+.\"
+.Dd July 23, 2006
+.Dt AMR 4
+.Os
+.Sh NAME
+.Nm amr
+.Nd AMI MegaRAID PCI-SCSI RAID driver
+.Sh SYNOPSIS
+.Cd "amr* at pci? dev ? function ?"
+.Cd scsibus* at amr?
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for LSI (formerly American Megatrends) MegaRAID
+Express, Elite and Enterprise family RAID controllers for SCSI and SATA,
+including models relabeled and sold by Dell, Hewlett-Packard, and Intel.
+Supported controllers include:
+.Pp
+.Bl -bullet -compact
+.It
+MegaRAID 320-1
+.It
+MegaRAID 320-2
+.It
+MegaRAID Series 418
+.It
+MegaRAID Enterprise 1200 (Series 428)
+.It
+MegaRAID Enterprise 1300 (Series 434)
+.It
+MegaRAID Enterprise 1400 (Series 438)
+.It
+MegaRAID Enterprise 1500 (Series 467)
+.It
+MegaRAID Enterprise 1600 (Series 471)
+.It
+MegaRAID Elite 1500 (Series 467)
+.It
+MegaRAID Elite 1600 (Series 493)
+.It
+MegaRAID Express 100 (Series 466WS)
+.It
+MegaRAID Express 200 (Series 466)
+.It
+MegaRAID Express 300 (Series 490)
+.It
+LSI MegaRAID SCSI 320-0X, 320-2X, 320-4X
+.It
+LSI MegaRAID SCSI 320-1E, 320-2E
+.It
+LSI MegaRAID SATA 300-6x, 300-8x
+.It
+Dell PERC
+.It
+Dell PERC 2/SC
+.It
+Dell PERC 2/DC
+.It
+Dell PERC 4/Di
+.It
+Dell PERC 4/SC
+.It
+Dell PERC 4e/Si
+.It
+HP NetRAID-1/Si
+.It
+HP NetRAID-3/Si
+.It
+HP Embedded NetRAID
+.It
+Intel SRCU42X
+.It
+Intel SRCU42E
+.It
+Intel SRMOBU42E
+.It
+Intel SRCS28X
+.El
+.Sh DIAGNOSTICS
+.Ss Driver initialisation/shutdown phase
+.Bl -diag
+.It amr%d: memory window not available
+.It amr%d: I/O window not available
+.Pp
+The PCI BIOS did not allocate resources necessary for the correct operation of
+the controller.
+The driver cannot attach to this controller.
+.It amr%d: busmaster bit not set, enabling
+.Pp
+The PCI BIOS did not enable busmaster DMA,
+which is required for the correct operation of the controller.
+The driver has enabled this bit and initialisation will proceed.
+.It amr%d: can't allocate register window
+.It amr%d: can't allocate interrupt
+.It amr%d: can't set up interrupt
+.It amr%d: can't allocate parent DMA tag
+.It amr%d: can't allocate buffer DMA tag
+.It amr%d: can't allocate scatter/gather DMA tag
+.It amr%d: can't allocate s/g table
+.It amr%d: can't allocate mailbox tag
+.It amr%d: can't allocate mailbox memory
+.Pp
+A resource allocation error occurred while initialising the driver;
+initialisation has failed and the driver will not attach to this controller.
+.It amr%d: can't obtain configuration data from controller
+.It amr%d: can't obtain product data from controller
+.Pp
+The driver was unable to obtain vital configuration data from the controller.
+Initialisation has failed and the driver will not attach to this controller.
+.It amr%d: can't establish configuration hook
+.It amr%d: can't scan controller for drives
+.Pp
+The scan for logical drives managed by the controller failed.
+No drives will be attached.
+.It amr%d: device_add_child failed
+.It amr%d: bus_generic_attach returned %d
+.Pp
+Creation of the logical drive instances failed;
+attachment of one or more logical drives may have been aborted.
+.It amr%d: flushing cache...
+.Pp
+The controller cache is being flushed prior to shutdown or detach.
+.El
+.Ss Operational diagnostics
+.Bl -diag
+.It amr%d: I/O beyond end of unit (%u,%d > %u)
+.Pp
+A partitioning error or disk corruption has caused an I/O request
+beyond the end of the logical drive.
+This may also occur if FlexRAID Virtual Sizing is enabled and
+an I/O operation is attempted on a portion of the virtual drive
+beyond the actual capacity available.
+.It amr%d: polled command timeout
+.Pp
+An initialisation command timed out.
+The initialisation process may fail as a result.
+.It amr%d: bad slot %d completed
+.Pp
+The controller reported completion of a command that the driver did not issue.
+This may result in data corruption,
+and suggests a hardware or firmware problem with the system or controller.
+.It amr%d: I/O error - %x
+.Pp
+An I/O error has occurred.
+.El
+.Sh SEE ALSO
+.Xr cd 4 ,
+.Xr ch 4 ,
+.Xr intro 4 ,
+.Xr pci 4 ,
+.Xr scsi 4 ,
+.Xr sd 4 ,
+.Xr st 4 ,
+.Xr amrctl 8