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.Bd -ragged -offset indent 44.Cd options AMR_DEBUG=x # x=3 is maximum verbosity 45.Ed 46.Pp 47Alternatively, to load the driver as a 48module at boot time, place the following line in 49.Xr loader.conf 5 : 50.Bd -literal -offset indent 51amr_load="YES" 52.Ed 53.Sh DESCRIPTION 54The 55.Nm 56driver provides support for LSI Logic MegaRAID SCSI, ATA and SATA 57RAID controllers and legacy American Megatrends MegaRAID 58SCSI RAID controllers, including models relabeled 59and sold by Dell and Hewlett-Packard. 60.Pp 61LSI MegaRAID SAS controllers are supported by 62.Xr mfi 4 63and will not work with this driver. 64.Sh HARDWARE 65Controllers supported by the 66.Nm 67driver include: 68.Pp 69.Bl -bullet -compact 70.It 71MegaRAID SATA 150-4 72.It 73MegaRAID SATA 150-6 74.It 75MegaRAID SATA 300-4X 76.It 77MegaRAID SATA 300-8X 78.It 79MegaRAID SCSI 320-1E 80.It 81MegaRAID SCSI 320-2E 82.It 83MegaRAID SCSI 320-4E 84.It 85MegaRAID SCSI 320-0X 86.It 87MegaRAID SCSI 320-2X 88.It 89MegaRAID SCSI 320-4X 90.It 91MegaRAID SCSI 320-0 92.It 93MegaRAID SCSI 320-1 94.It 95MegaRAID SCSI 320-2 96.It 97MegaRAID SCSI 320-4 98.It 99MegaRAID Series 418 100.It 101MegaRAID i4 133 RAID 102.It 103MegaRAID Elite 1500 (Series 467) 104.It 105MegaRAID Elite 1600 (Series 493) 106.It 107MegaRAID Elite 1650 (Series 4xx) 108.It 109MegaRAID Enterprise 1200 (Series 428) 110.It 111MegaRAID Enterprise 1300 (Series 434) 112.It 113MegaRAID Enterprise 1400 (Series 438) 114.It 115MegaRAID Enterprise 1500 (Series 467) 116.It 117MegaRAID Enterprise 1600 (Series 471) 118.It 119MegaRAID Express 100 (Series 466WS) 120.It 121MegaRAID Express 200 (Series 466) 122.It 123MegaRAID Express 300 (Series 490) 124.It 125MegaRAID Express 500 (Series 475) 126.It 127Dell PERC 128.It 129Dell PERC 2/SC 130.It 131Dell PERC 2/DC 132.It 133Dell PERC 3/DCL 134.It 135Dell PERC 3/QC 136.It 137Dell PERC 4/DC 138.It 139Dell PERC 4/IM 140.It 141Dell PERC 4/SC 142.It 143Dell PERC 4/Di 144.It 145Dell PERC 4e/DC 146.It 147Dell PERC 4e/Di 148.It 149Dell PERC 4e/Si 150.It 151Dell PERC 4ei 152.It 153HP NetRAID-1/Si 154.It 155HP NetRAID-3/Si (D4943A) 156.It 157HP Embedded NetRAID 158.It 159Intel RAID Controller SRCS16 160.It 161Intel RAID Controller SRCU42X 162.El 163.Sh DIAGNOSTICS 164Compiling with 165.Dv AAC_DEBUG 166will enable debug messages. 167.Ss Driver initialisation/shutdown phase 168.Bl -diag 169.It amr%d: memory window not available 170.It amr%d: I/O window not available 171.Pp 172The PCI BIOS did not allocate resources necessary for the correct operation of 173the controller. 174The driver cannot attach to this controller. 175.It amr%d: busmaster bit not set, enabling 176.Pp 177The PCI BIOS did not enable busmaster DMA, 178which is required for the correct operation of the controller. 179The driver has enabled this bit and initialisation will proceed. 180.It amr%d: can't allocate register window 181.It amr%d: can't allocate interrupt 182.It amr%d: can't set up interrupt 183.It amr%d: can't allocate parent DMA tag 184.It amr%d: can't allocate buffer DMA tag 185.It amr%d: can't allocate scatter/gather DMA tag 186.It amr%d: can't allocate s/g table 187.It amr%d: can't allocate mailbox tag 188.It amr%d: can't allocate mailbox memory 189.Pp 190A resource allocation error occurred while initialising the driver; 191initialisation has failed and the driver will not attach to this controller. 192.It amr%d: can't obtain configuration data from controller 193.It amr%d: can't obtain product data from controller 194.Pp 195The driver was unable to obtain vital configuration data from the controller. 196Initialisation has failed and the driver will not attach to this controller. 197.It amr%d: can't establish configuration hook 198.It amr%d: can't scan controller for drives 199.Pp 200The scan for logical drives managed by the controller failed. 201No drives will be attached. 202.It amr%d: device_add_child failed 203.It amr%d: bus_generic_attach returned %d 204.Pp 205Creation of the logical drive instances failed; 206attachment of one or more logical drives may have been aborted. 207.It amr%d: flushing cache... 208.Pp 209The controller cache is being flushed prior to shutdown or detach. 210.El 211.Ss Operational diagnostics 212.Bl -diag 213.It amr%d: I/O beyond end of unit (%u,%d > %u) 214.Pp 215A partitioning error or disk corruption has caused an I/O request 216beyond the end of the logical drive. 217This may also occur if FlexRAID Virtual Sizing is enabled and 218an I/O operation is attempted on a portion of the virtual drive 219beyond the actual capacity available. 220.It amr%d: polled command timeout 221.Pp 222An initialisation command timed out. 223The initialisation process may fail as a result. 224.It amr%d: bad slot %d completed 225.Pp 226The controller reported completion of a command that the driver did not issue. 227This may result in data corruption, 228and suggests a hardware or firmware problem with the system or controller. 229.It amr%d: I/O error - %x 230.Pp 231An I/O error has occurred. 232.El 233.Sh SEE ALSO 234.Xr cd 4 , 235.Xr da 4 , 236.Xr mfi 4 , 237.Xr sa 4 , 238.Xr scsi 4 239.Sh AUTHORS 240.An -nosplit 241The 242.Nm 243driver was written by 244.An Mike Smith Aq Mt msmith@FreeBSD.org . 245.Pp 246This manual page was written by 247.An Mike Smith Aq Mt msmith@FreeBSD.org 248and 249.An Jeroen Ruigrok van der Werven Aq Mt asmodai@FreeBSD.org . 250