1.\" 2.\" Copyright (c) 2003 David O'Brien 3.\" Copyright (c) 2000 Jeroen Ruigrok van der Werven 4.\" Copyright (c) 2000 Michael Smith 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. The name of the author may not be used to endorse or promote products 13.\" derived from this software without specific prior written permission 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.Dd February 15, 2017 27.Dt MLX 4 28.Os 29.Sh NAME 30.Nm mlx 31.Nd Mylex DAC-family 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 mlx" 39.Ed 40.Pp 41Alternatively, to load the driver as a 42module at boot time, place the following line in 43.Xr loader.conf 5 : 44.Bd -literal -offset indent 45mlx_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50driver provides support for Mylex DAC-family PCI to SCSI RAID controllers, 51including versions relabeled by Digital/Compaq. 52.Sh HARDWARE 53Controllers supported by the 54.Nm 55driver include: 56.Pp 57.Bl -bullet -compact 58.It 59Mylex DAC960P 60.It 61Mylex DAC960PD / DEC KZPSC (Fast Wide) 62.It 63Mylex DAC960PDU 64.It 65Mylex DAC960PL 66.It 67Mylex DAC960PJ 68.It 69Mylex DAC960PG 70.It 71Mylex DAC960PU / DEC PZPAC (Ultra Wide) 72.It 73Mylex AcceleRAID 150 (DAC960PRL) 74.It 75Mylex AcceleRAID 250 (DAC960PTL1) 76.It 77Mylex eXtremeRAID 1100 (DAC1164P) 78.It 79RAIDarray 230 controllers, aka the Ultra-SCSI DEC KZPAC-AA (1-ch, 4MB 80cache), KZPAC-CA (3-ch, 4MB), KZPAC-CB (3-ch, 8MB cache) 81.El 82.Pp 83All major firmware revisions (2.x, 3.x, 4.x and 5.x) are supported, however 84it is always advisable to upgrade to the most recent firmware 85available for the controller. 86.Pp 87Compatible Mylex controllers not listed should work, but have not been 88verified. 89.Sh DIAGNOSTICS 90.Ss Controller initialisation phase 91.Bl -diag 92.It mlx%d: controller initialisation in progress... 93.It mlx%d: initialisation complete 94.Pp 95The controller firmware is performing/has completed initialisation. 96.It mlx%d: physical drive %d:%d not responding 97.Pp 98The drive at channel:target is not responding; it may have failed or 99been removed. 100.It mlx%d: spinning up drives... 101.Pp 102Drive startup is in progress; this may take several minutes. 103.It mlx%d: configuration checksum error 104.Pp 105The array configuration has become corrupted. 106.It mlx%d: mirror race recovery in progress 107.It mlx%d: mirror race on a critical system drive 108.It mlx%d: mirror race recovery failed 109.Pp 110These error codes are undocumented. 111.It mlx%d: physical drive %d:%d COD mismatch 112.Pp 113Configuration data on the drive at channel:target does not match the 114rest of the array. 115.It mlx%d: system drive installation aborted 116.Pp 117Errors occurred preventing one or more system drives from being configured. 118.It mlx%d: new controller configuration found 119.Pp 120The controller has detected a configuration on disk which supersedes the 121configuration in its nonvolatile memory. 122It will reset and come up with the new configuration. 123.It mlx%d: FATAL MEMORY PARITY ERROR 124.Pp 125Firmware detected a fatal memory error; the driver will not attempt to 126attach to this controller. 127.It mlx%d: unknown firmware initialisation error %x:%x:%x 128.Pp 129An unknown error occurred during initialisation; it will be ignored. 130.El 131.Ss Driver initialisation/shutdown phase: 132.Bl -diag 133.It mlx%d: can't allocate scatter/gather DMA tag 134.It mlx%d: can't allocate buffer DMA tag 135.It mlx%d: can't allocate s/g table 136.It mlx%d: can't make initial s/g list mapping 137.It mlx%d: can't make permanent s/g list mapping 138.It mlx%d: can't allocate interrupt 139.It mlx%d: can't set up interrupt 140.Pp 141A resource allocation error occurred while initialising the driver; 142initialisation has failed and the driver will not attach to this 143controller. 144.It mlx%d: error fetching drive status 145.Pp 146The current status of all system drives could not be fetched; attachment 147of system drives will be aborted. 148.It mlx%d: device_add_child failed 149.It mlx%d: bus_generic_attach returned %d 150.Pp 151Creation of the system drive instances failed; attachment of one or more 152system drives may have been aborted. 153.It mlxd%d: detaching... 154.Pp 155The indicated system drive is being detached. 156.It mlxd%d: still open, can't detach 157.Pp 158The indicated system drive is still open or mounted; 159the controller cannot be detached. 160.It mlx%d: flushing cache... 161.Pp 162The controller cache is being flushed prior to detach or shutdown. 163.El 164.Ss Operational diagnostics: 165.Bl -diag 166.It mlx%d: ENQUIRY failed - %s 167.It mlx%d: ENQUIRY2 failed 168.It mlx%d: ENQUIRY_OLD failed 169.It mlx%d: FLUSH failed - %s 170.It mlx%d: CHECK ASYNC failed - %s 171.It mlx%d: REBUILD ASYNC failed - %s 172.It mlx%d: command failed - %s 173.Pp 174The controller rejected a command for the reason given. 175.It mlx%d: I/O beyond end of unit (%u,%d > %u) 176.It mlx%d: I/O error - %s 177.Pp 178An I/O error was reported by the controller. 179.It mlx%d: periodic enquiry failed - %s 180.Pp 181An attempt to poll the controller for status failed for the reason given. 182.It mlx%d: mlx_periodic_enquiry: unknown command %x 183.Pp 184The periodic status poll has issued a command which has become corrupted. 185.It mlxd%d: drive offline 186.It mlxd%d: drive online 187.It mlxd%d: drive critical 188.Pp 189The system disk indicated has changed state. 190.It mlx%d: physical drive %d:%d reset 191.It mlx%d: physical drive %d:%d killed %s 192.It "mlx%d: physical drive %d:%d error log: sense = %d asc = %x asq = %x" 193.It "mlx%d: info %4D csi %4D" 194.Pp 195The drive at channel:target has been reset, killed for the given reason, 196or experienced a SCSI error. 197.It mlx%d: unknown log message type %x 198.It mlx%d: error reading message log - %s 199.Pp 200An error occurred while trying to read the controller's message log. 201.It mlxd%d: consistency check started 202.It mlx%d: consistency check completed 203.Pp 204A user-initiated consistency check has started/completed. 205.It mlx%d: drive rebuild started for %d:%d 206.It mlx%d: drive rebuild completed 207.Pp 208A user-initiated physical drive rebuild has started/completed. 209.It mlx%d: background check/rebuild operation started 210.It mlx%d: background check/rebuild operation completed 211.Pp 212An automatic system drive consistency check 213or physical drive rebuild has started/completed. 214.It mlx%d: channel %d pausing for %d seconds 215.It mlx%d: channel %d resuming 216.It mlx%d: pause command failed - %s 217.It mlx%d: pause failed for channel %d 218.It mlx%d: resume command failed - %s 219.It mlx%d: resume failed for channel %d 220.Pp 221Controller/channel pause operation notification. 222(Channel pause is not currently supported on any controller.) 223.It mlx%d: controller wedged (not taking commands) 224.Pp 225The controller is not responding to attempts to submit new commands. 226.It mlx%d: duplicate done event for slot %d 227.It mlx%d: done event for nonbusy slot %d 228.Pp 229Corruption has occurred in either the controller's onboard list of commands 230or in the driver. 231.El 232.Sh SEE ALSO 233.Xr mlxcontrol 8 234.Sh AUTHORS 235.An -nosplit 236The 237.Nm 238driver was written by 239.An Michael Smith Aq Mt msmith@FreeBSD.org . 240.Pp 241This manual page was written by 242.An Jeroen Ruigrok van der Werven Aq Mt asmodai@FreeBSD.org 243and 244.An Michael Smith Aq Mt msmith@FreeBSD.org . 245.Sh BUGS 246The DEC KZPSC has insufficient flash ROM to hold any reasonably recent firmware. 247This has caused problems for this driver. 248.Pp 249The driver does not yet support the version 6.x firmware as found in the 250AcceleRAID 352 and eXtremeRAID 2000 and 3000 products. 251