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 December 10, 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 FILES 67.Bl -tag -width ".Pa /dev/amrdX" -compact 68.It Pa /dev/amrdX 69.Nm 70device nodes 71.El 72.Sh HARDWARE 73Controllers supported by the 74.Nm 75driver include: 76.Pp 77.Bl -bullet -compact 78.It 79MegaRAID SATA 150-4 80.It 81MegaRAID SATA 150-6 82.It 83MegaRAID SATA 300-4X 84.It 85MegaRAID SATA 300-8X 86.It 87MegaRAID SCSI 320-1E 88.It 89MegaRAID SCSI 320-2E 90.It 91MegaRAID SCSI 320-4E 92.It 93MegaRAID SCSI 320-0X 94.It 95MegaRAID SCSI 320-2X 96.It 97MegaRAID SCSI 320-4X 98.It 99MegaRAID SCSI 320-0 100.It 101MegaRAID SCSI 320-1 102.It 103MegaRAID SCSI 320-2 104.It 105MegaRAID SCSI 320-4 106.It 107MegaRAID Series 418 108.It 109MegaRAID i4 133 RAID 110.It 111MegaRAID Elite 1500 (Series 467) 112.It 113MegaRAID Elite 1600 (Series 493) 114.It 115MegaRAID Elite 1650 (Series 4xx) 116.It 117MegaRAID Enterprise 1200 (Series 428) 118.It 119MegaRAID Enterprise 1300 (Series 434) 120.It 121MegaRAID Enterprise 1400 (Series 438) 122.It 123MegaRAID Enterprise 1500 (Series 467) 124.It 125MegaRAID Enterprise 1600 (Series 471) 126.It 127MegaRAID Express 100 (Series 466WS) 128.It 129MegaRAID Express 200 (Series 466) 130.It 131MegaRAID Express 300 (Series 490) 132.It 133MegaRAID Express 500 (Series 475) 134.It 135Dell PERC 136.It 137Dell PERC 2/SC 138.It 139Dell PERC 2/DC 140.It 141Dell PERC 3/DCL 142.It 143Dell PERC 3/QC 144.It 145Dell PERC 4/DC 146.It 147Dell PERC 4/IM 148.It 149Dell PERC 4/SC 150.It 151Dell PERC 4/Di 152.It 153Dell PERC 4e/DC 154.It 155Dell PERC 4e/Di 156.It 157Dell PERC 4e/Si 158.It 159Dell PERC 4ei 160.It 161HP NetRAID-1/Si 162.It 163HP NetRAID-3/Si (D4943A) 164.It 165HP Embedded NetRAID 166.It 167Intel RAID Controller SRCS16 168.It 169Intel RAID Controller SRCU42X 170.El 171.Sh DIAGNOSTICS 172Compiling with 173.Dv AAC_DEBUG 174will enable debug messages. 175.Ss Driver initialisation/shutdown phase 176.Bl -diag 177.It amr%d: memory window not available 178.It amr%d: I/O window not available 179.Pp 180The PCI BIOS did not allocate resources necessary for the correct operation of 181the controller. 182The driver cannot attach to this controller. 183.It amr%d: busmaster bit not set, enabling 184.Pp 185The PCI BIOS did not enable busmaster DMA, 186which is required for the correct operation of the controller. 187The driver has enabled this bit and initialisation will proceed. 188.It amr%d: can't allocate register window 189.It amr%d: can't allocate interrupt 190.It amr%d: can't set up interrupt 191.It amr%d: can't allocate parent DMA tag 192.It amr%d: can't allocate buffer DMA tag 193.It amr%d: can't allocate scatter/gather DMA tag 194.It amr%d: can't allocate s/g table 195.It amr%d: can't allocate mailbox tag 196.It amr%d: can't allocate mailbox memory 197.Pp 198A resource allocation error occurred while initialising the driver; 199initialisation has failed and the driver will not attach to this controller. 200.It amr%d: can't obtain configuration data from controller 201.It amr%d: can't obtain product data from controller 202.Pp 203The driver was unable to obtain vital configuration data from the controller. 204Initialisation has failed and the driver will not attach to this controller. 205.It amr%d: can't establish configuration hook 206.It amr%d: can't scan controller for drives 207.Pp 208The scan for logical drives managed by the controller failed. 209No drives will be attached. 210.It amr%d: device_add_child failed 211.It amr%d: bus_generic_attach returned %d 212.Pp 213Creation of the logical drive instances failed; 214attachment of one or more logical drives may have been aborted. 215.It amr%d: flushing cache... 216.Pp 217The controller cache is being flushed prior to shutdown or detach. 218.El 219.Ss Operational diagnostics 220.Bl -diag 221.It amr%d: I/O beyond end of unit (%u,%d > %u) 222.Pp 223A partitioning error or disk corruption has caused an I/O request 224beyond the end of the logical drive. 225This may also occur if FlexRAID Virtual Sizing is enabled and 226an I/O operation is attempted on a portion of the virtual drive 227beyond the actual capacity available. 228.It amr%d: polled command timeout 229.Pp 230An initialisation command timed out. 231The initialisation process may fail as a result. 232.It amr%d: bad slot %d completed 233.Pp 234The controller reported completion of a command that the driver did not issue. 235This may result in data corruption, 236and suggests a hardware or firmware problem with the system or controller. 237.It amr%d: I/O error - %x 238.Pp 239An I/O error has occurred. 240.El 241.Sh SEE ALSO 242.Xr cd 4 , 243.Xr da 4 , 244.Xr mfi 4 , 245.Xr mrsas 4 , 246.Xr sa 4 , 247.Xr scsi 4 248.Sh AUTHORS 249.An -nosplit 250The 251.Nm 252driver was written by 253.An Mike Smith Aq Mt msmith@FreeBSD.org . 254.Pp 255This manual page was written by 256.An Mike Smith Aq Mt msmith@FreeBSD.org 257and 258.An Jeroen Ruigrok van der Werven Aq Mt asmodai@FreeBSD.org . 259