1.\" 2.\" Copyright (c) 2004 3ware, Inc. 3.\" Copyright (c) 2000 BSDi 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 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.\" $FreeBSD: src/share/man/man4/twa.4,v 1.9 2010/05/13 12:07:55 uqs Exp $ 27.\" 28.Dd August 1, 2010 29.Dt TWA 4 30.Os 31.Sh NAME 32.Nm twa 33.Nd 3ware 9000/9500/9550/9650 series SATA RAID controllers driver 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following lines in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device scbus" 40.Cd "device twa" 41.Ed 42.Pp 43Alternatively, to load the driver as a 44module at boot time, place the following line in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47twa_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for AMCC's 3ware 9000/9500/9550/9650 series 53SATA controllers. 54.Pp 55These controllers are available in 4, 8, 12 or 16-port configurations, 56and support the following RAID levels: 0, 1, 10, 5, 50. 57The device nodes for the controllers are of the form 58.Pa /dev/twa Ns Ar X , 59where 60.Ar X 61is the controller number. 62The driver is implemented as a SCSI SIM 63under CAM, and, as such, the logical units that it controls are accessible 64via the device nodes, 65.Pa /dev/da Ns Ar Y , 66where 67.Ar Y 68is the logical unit number. 69.Sh HARDWARE 70The 71.Nm 72driver supports the following SATA RAID controllers: 73.Pp 74.Bl -bullet -compact 75.It 76AMCC's 3ware 9500S-4LP 77.It 78AMCC's 3ware 9500S-8 79.It 80AMCC's 3ware 9500S-8MI 81.It 82AMCC's 3ware 9500S-12 83.It 84AMCC's 3ware 9500S-12MI 85.It 86AMCC's 3ware 9500SX-4LP 87.It 88AMCC's 3ware 9500SX-8LP 89.It 90AMCC's 3ware 9500SX-12 91.It 92AMCC's 3ware 9500SX-12MI 93.It 94AMCC's 3ware 9500SX-16ML 95.It 96AMCC's 3ware 9550SX-4LP 97.It 98AMCC's 3ware 9550SX-8LP 99.It 100AMCC's 3ware 9550SX-12 101.It 102AMCC's 3ware 9550SX-12MI 103.It 104AMCC's 3ware 9550SX-16ML 105.It 106AMCC's 3ware 9650SE-2LP 107.It 108AMCC's 3ware 9650SE-4LPML 109.It 110AMCC's 3ware 9650SE-8LPML 111.It 112AMCC's 3ware 9650SE-12ML 113.It 114AMCC's 3ware 9650SE-16ML 115.It 116AMCC's 3ware 9650SE-24M8 117.El 118.Sh DIAGNOSTICS 119Whenever the driver encounters a command failure, it prints out an error code in 120the format: 121.Qq Li "ERROR: (<error source>: <error code>):" , 122followed by a text description of the error. 123There are other error messages and warnings that the 124driver prints out, depending on the kinds of errors that it encounters. 125If the driver is compiled with 126.Dv TWA_DEBUG 127defined, it prints out a whole bunch of debug 128messages, the quantity of which varies depending on the value assigned to 129.Dv TWA_DEBUG 130(0 to 10). 131.Sh SEE ALSO 132.Xr da 4 , 133.Xr twe 4 , 134.Xr tws 4 135.Sh AUTHORS 136The 137.Nm 138driver and manpage were written by 139.An Vinod Kashyap Aq vkashyap@FreeBSD.org . 140