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 June 14, 2014 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 64.Xr mrsas 4 65and will not work with this driver. 66.Sh HARDWARE 67Controllers supported by the 68.Nm 69driver include: 70.Pp 71.Bl -bullet -compact 72.It 73MegaRAID SATA 150-4 74.It 75MegaRAID SATA 150-6 76.It 77MegaRAID SATA 300-4X 78.It 79MegaRAID SATA 300-8X 80.It 81MegaRAID SCSI 320-1E 82.It 83MegaRAID SCSI 320-2E 84.It 85MegaRAID SCSI 320-4E 86.It 87MegaRAID SCSI 320-0X 88.It 89MegaRAID SCSI 320-2X 90.It 91MegaRAID SCSI 320-4X 92.It 93MegaRAID SCSI 320-0 94.It 95MegaRAID SCSI 320-1 96.It 97MegaRAID SCSI 320-2 98.It 99MegaRAID SCSI 320-4 100.It 101MegaRAID Series 418 102.It 103MegaRAID i4 133 RAID 104.It 105MegaRAID Elite 1500 (Series 467) 106.It 107MegaRAID Elite 1600 (Series 493) 108.It 109MegaRAID Elite 1650 (Series 4xx) 110.It 111MegaRAID Enterprise 1200 (Series 428) 112.It 113MegaRAID Enterprise 1300 (Series 434) 114.It 115MegaRAID Enterprise 1400 (Series 438) 116.It 117MegaRAID Enterprise 1500 (Series 467) 118.It 119MegaRAID Enterprise 1600 (Series 471) 120.It 121MegaRAID Express 100 (Series 466WS) 122.It 123MegaRAID Express 200 (Series 466) 124.It 125MegaRAID Express 300 (Series 490) 126.It 127MegaRAID Express 500 (Series 475) 128.It 129Dell PERC 130.It 131Dell PERC 2/SC 132.It 133Dell PERC 2/DC 134.It 135Dell PERC 3/DCL 136.It 137Dell PERC 3/QC 138.It 139Dell PERC 4/DC 140.It 141Dell PERC 4/IM 142.It 143Dell PERC 4/SC 144.It 145Dell PERC 4/Di 146.It 147Dell PERC 4e/DC 148.It 149Dell PERC 4e/Di 150.It 151Dell PERC 4e/Si 152.It 153Dell PERC 4ei 154.It 155HP NetRAID-1/Si 156.It 157HP NetRAID-3/Si (D4943A) 158.It 159HP Embedded NetRAID 160.It 161Intel RAID Controller SRCS16 162.It 163Intel RAID Controller SRCU42X 164.El 165.Sh DIAGNOSTICS 166Compiling with 167.Dv AAC_DEBUG 168will enable debug messages. 169.Ss Driver initialisation/shutdown phase 170.Bl -diag 171.It amr%d: memory window not available 172.It amr%d: I/O window not available 173.Pp 174The PCI BIOS did not allocate resources necessary for the correct operation of 175the controller. 176The driver cannot attach to this controller. 177.It amr%d: busmaster bit not set, enabling 178.Pp 179The PCI BIOS did not enable busmaster DMA, 180which is required for the correct operation of the controller. 181The driver has enabled this bit and initialisation will proceed. 182.It amr%d: can't allocate register window 183.It amr%d: can't allocate interrupt 184.It amr%d: can't set up interrupt 185.It amr%d: can't allocate parent DMA tag 186.It amr%d: can't allocate buffer DMA tag 187.It amr%d: can't allocate scatter/gather DMA tag 188.It amr%d: can't allocate s/g table 189.It amr%d: can't allocate mailbox tag 190.It amr%d: can't allocate mailbox memory 191.Pp 192A resource allocation error occurred while initialising the driver; 193initialisation has failed and the driver will not attach to this controller. 194.It amr%d: can't obtain configuration data from controller 195.It amr%d: can't obtain product data from controller 196.Pp 197The driver was unable to obtain vital configuration data from the controller. 198Initialisation has failed and the driver will not attach to this controller. 199.It amr%d: can't establish configuration hook 200.It amr%d: can't scan controller for drives 201.Pp 202The scan for logical drives managed by the controller failed. 203No drives will be attached. 204.It amr%d: device_add_child failed 205.It amr%d: bus_generic_attach returned %d 206.Pp 207Creation of the logical drive instances failed; 208attachment of one or more logical drives may have been aborted. 209.It amr%d: flushing cache... 210.Pp 211The controller cache is being flushed prior to shutdown or detach. 212.El 213.Ss Operational diagnostics 214.Bl -diag 215.It amr%d: I/O beyond end of unit (%u,%d > %u) 216.Pp 217A partitioning error or disk corruption has caused an I/O request 218beyond the end of the logical drive. 219This may also occur if FlexRAID Virtual Sizing is enabled and 220an I/O operation is attempted on a portion of the virtual drive 221beyond the actual capacity available. 222.It amr%d: polled command timeout 223.Pp 224An initialisation command timed out. 225The initialisation process may fail as a result. 226.It amr%d: bad slot %d completed 227.Pp 228The controller reported completion of a command that the driver did not issue. 229This may result in data corruption, 230and suggests a hardware or firmware problem with the system or controller. 231.It amr%d: I/O error - %x 232.Pp 233An I/O error has occurred. 234.El 235.Sh SEE ALSO 236.Xr cd 4 , 237.Xr da 4 , 238.Xr mfi 4 , 239.Xr mrsas 4 , 240.Xr sa 4 , 241.Xr scsi 4 242.Sh AUTHORS 243.An -nosplit 244The 245.Nm 246driver was written by 247.An Mike Smith Aq Mt msmith@FreeBSD.org . 248.Pp 249This manual page was written by 250.An Mike Smith Aq Mt msmith@FreeBSD.org 251and 252.An Jeroen Ruigrok van der Werven Aq Mt asmodai@FreeBSD.org . 253