1.\" 2.\" Copyright (c) 2011 3.\" The DragonFly Project. 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.\" 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 13.\" the documentation and/or other materials provided with the 14.\" distribution. 15.\" 3. Neither the name of The DragonFly Project nor the names of its 16.\" contributors may be used to endorse or promote products derived 17.\" from this software without specific, prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 25.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 29.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.Dd January 14, 2013 33.Dt TWS 4 34.Os 35.Sh NAME 36.Nm tws 37.Nd 3ware 9750 series SATA/SAS RAID controllers driver 38.Sh SYNOPSIS 39To compile this driver into the kernel, 40place the following lines in your 41kernel configuration file: 42.Bd -ragged -offset indent 43.Cd "device scbus" 44.Cd "device tws" 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 51tws_load="YES" 52.Ed 53.Sh DESCRIPTION 54The 55.Nm 56driver provides support for LSI's 3ware 9750 series 57SATA/SAS controllers. 58.Pp 59These controllers are available in 4, 8, 16 or 24-port configurations, 60and support the following RAID levels: 0, 1, 10, 5, 50, 6. 61The device nodes for the controllers are of the form 62.Pa /dev/tws Ns Ar X , 63where 64.Ar X 65is the controller number. 66The driver is implemented as a SCSI SIM 67under CAM, and, as such, the logical units that it controls are accessible 68via the device nodes, 69.Pa /dev/da Ns Ar Y , 70where 71.Ar Y 72is the logical unit number. 73.Sh LOADER TUNABLES 74.Bl -tag -width indent 75.It Va hw.tws.msi.enable 76By default, the driver will use MSI if it is supported. 77This behavior can be turned off by setting this tunable to 0. 78.El 79.Sh HARDWARE 80The 81.Nm 82driver supports the following SATA RAID controllers: 83.Pp 84.Bl -bullet -compact 85.It 86LSI's 3ware SAS 9750-4i 87.It 88LSI's 3ware SAS 9750-4i4e 89.It 90LSI's 3ware SAS 9750-8i 91.It 92LSI's 3ware SAS 9750-8e 93.It 94LSI's 3ware SAS 9750-16i4e 95.It 96LSI's 3ware SAS 9750-24i4e 97.El 98.Sh SEE ALSO 99.Xr da 4 , 100.Xr twa 4 , 101.Xr twe 4 102.Sh COPYRIGHT 103.Bd -literal 104Copyright (c) 2010, LSI Corp. 105All rights reserved. 106Author : Manjunath Ranganathaiah 107Support: freebsdraid@lsi.com 108 109Redistribution and use in source and binary forms, with or without 110modification, are permitted provided that the following conditions 111are met: 112 1131. Redistributions of source code must retain the above copyright 114 notice, this list of conditions and the following disclaimer. 1152. Redistributions in binary form must reproduce the above copyright 116 notice, this list of conditions and the following disclaimer in 117 the documentation and/or other materials provided with the 118 distribution. 1193. Neither the name of the <ORGANIZATION> nor the names of its 120 contributors may be used to endorse or promote products derived 121 from this software without specific prior written permission. 122 123THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 124"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 125LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 126FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 127COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 128INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 129BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 130LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 131CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 132LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 133ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 134POSSIBILITY OF SUCH DAMAGE. 135.Ed 136