1.\" 2.\" Copyright (c) 2000 Jeroen Ruigrok van der Werven 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. The name of the author may not be used to endorse or promote products 11.\" derived from this software without specific prior written permission 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23.\" 24.\" $FreeBSD: src/share/man/man4/amr.4,v 1.35 2006/06/18 14:45:28 brueffer Exp $ 25.\" 26.Dd July 11, 2012 27.Dt AMR 4 28.Os 29.Sh NAME 30.Nm amr 31.Nd MegaRAID SCSI/ATA/SATA RAID driver 32.Sh SYNOPSIS 33To compile this driver into the kernel, 34place the following lines in your 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device pci" 38.Cd "device scbus" 39.Cd "device amr" 40.Ed 41.Pp 42To compile in debugging code: 43.Cd options AMR_DEBUG=x # x=3 is maximum verbosity 44.Ed 45.Pp 46Alternatively, to load the driver as a 47module at boot time, place the following line in 48.Xr loader.conf 5 : 49.Bd -literal -offset indent 50amr_load="YES" 51.Ed 52.Sh DESCRIPTION 53The 54.Nm 55driver provides support for LSI Logic MegaRAID SCSI, ATA and SATA 56RAID controllers and legacy American Megatrends MegaRAID 57SCSI RAID controllers, including models relabeled 58and sold by Dell and Hewlett-Packard. 59.Pp 60LSI MegaRAID SAS controllers are supported by 61.Xr mfi 4 62and will not work with this driver. 63.Sh HARDWARE 64Controllers supported by the 65.Nm 66driver include: 67.Pp 68.Bl -bullet -compact 69.It 70MegaRAID SATA 150-4 71.It 72MegaRAID SATA 150-6 73.It 74MegaRAID SATA 300-4X 75.It 76MegaRAID SATA 300-8X 77.It 78MegaRAID SCSI 320-1E 79.It 80MegaRAID SCSI 320-2E 81.It 82MegaRAID SCSI 320-4E 83.It 84MegaRAID SCSI 320-0X 85.It 86MegaRAID SCSI 320-2X 87.It 88MegaRAID SCSI 320-4X 89.It 90MegaRAID SCSI 320-0 91.It 92MegaRAID SCSI 320-1 93.It 94MegaRAID SCSI 320-2 95.It 96MegaRAID SCSI 320-4 97.It 98MegaRAID Series 418 99.It 100MegaRAID i4 133 RAID 101.It 102MegaRAID Elite 1500 (Series 467) 103.It 104MegaRAID Elite 1600 (Series 493) 105.It 106MegaRAID Elite 1650 (Series 4xx) 107.It 108MegaRAID Enterprise 1200 (Series 428) 109.It 110MegaRAID Enterprise 1300 (Series 434) 111.It 112MegaRAID Enterprise 1400 (Series 438) 113.It 114MegaRAID Enterprise 1500 (Series 467) 115.It 116MegaRAID Enterprise 1600 (Series 471) 117.It 118MegaRAID Express 100 (Series 466WS) 119.It 120MegaRAID Express 200 (Series 466) 121.It 122MegaRAID Express 300 (Series 490) 123.It 124MegaRAID Express 500 (Series 475) 125.It 126Dell PERC 127.It 128Dell PERC 2/SC 129.It 130Dell PERC 2/DC 131.It 132Dell PERC 3/DCL 133.It 134Dell PERC 3/QC 135.It 136Dell PERC 4/DC 137.It 138Dell PERC 4/IM 139.It 140Dell PERC 4/SC 141.It 142Dell PERC 4/Di 143.It 144Dell PERC 4e/DC 145.It 146Dell PERC 4e/Di 147.It 148Dell PERC 4e/Si 149.It 150Dell PERC 4ei 151.It 152HP NetRAID-1/Si 153.It 154HP NetRAID-3/Si (D4943A) 155.It 156HP Embedded NetRAID 157.It 158Intel RAID Controller SRCS16 159.It 160Intel RAID Controller SRCU42X 161.El 162.Sh DIAGNOSTICS 163Compiling with 164.Dv AAC_DEBUG 165will enable debug messages. 166.Ss Driver initialisation/shutdown phase 167.Bl -diag 168.It amr%d: memory window not available 169.It amr%d: I/O window not available 170.Pp 171The PCI BIOS did not allocate resources necessary for the correct operation of 172the controller. 173The driver cannot attach to this controller. 174.It amr%d: busmaster bit not set, enabling 175.Pp 176The PCI BIOS did not enable busmaster DMA, 177which is required for the correct operation of the controller. 178The driver has enabled this bit and initialisation will proceed. 179.It amr%d: can't allocate register window 180.It amr%d: can't allocate interrupt 181.It amr%d: can't set up interrupt 182.It amr%d: can't allocate parent DMA tag 183.It amr%d: can't allocate buffer DMA tag 184.It amr%d: can't allocate scatter/gather DMA tag 185.It amr%d: can't allocate s/g table 186.It amr%d: can't allocate mailbox tag 187.It amr%d: can't allocate mailbox memory 188.Pp 189A resource allocation error occurred while initialising the driver; 190initialisation has failed and the driver will not attach to this controller. 191.It amr%d: can't obtain configuration data from controller 192.It amr%d: can't obtain product data from controller 193.Pp 194The driver was unable to obtain vital configuration data from the controller. 195Initialisation has failed and the driver will not attach to this controller. 196.It amr%d: can't establish configuration hook 197.It amr%d: can't scan controller for drives 198.Pp 199The scan for logical drives managed by the controller failed. 200No drives will be attached. 201.It amr%d: device_add_child failed 202.It amr%d: bus_generic_attach returned %d 203.Pp 204Creation of the logical drive instances failed; 205attachment of one or more logical drives may have been aborted. 206.It amr%d: flushing cache... 207.Pp 208The controller cache is being flushed prior to shutdown or detach. 209.El 210.Ss Operational diagnostics 211.Bl -diag 212.It amr%d: I/O beyond end of unit (%u,%d > %u) 213.Pp 214A partitioning error or disk corruption has caused an I/O request 215beyond the end of the logical drive. 216This may also occur if FlexRAID Virtual Sizing is enabled and 217an I/O operation is attempted on a portion of the virtual drive 218beyond the actual capacity available. 219.It amr%d: polled command timeout 220.Pp 221An initialisation command timed out. 222The initialisation process may fail as a result. 223.It amr%d: bad slot %d completed 224.Pp 225The controller reported completion of a command that the driver did not issue. 226This may result in data corruption, 227and suggests a hardware or firmware problem with the system or controller. 228.It amr%d: I/O error - %x 229.Pp 230An I/O error has occurred. 231.El 232.Sh SEE ALSO 233.Xr cd 4 , 234.Xr da 4 , 235.Xr mfi 4 , 236.Xr sa 4 , 237.Xr scsi 4 238.Sh AUTHORS 239.An -nosplit 240The 241.Nm 242driver was written by 243.An Mike Smith Aq msmith@FreeBSD.org . 244.Pp 245This manual page was written by 246.An Mike Smith Aq msmith@FreeBSD.org 247and 248.An Jeroen Ruigrok van der Werven Aq asmodai@FreeBSD.org . 249