1.\" Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. 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.\" $FreeBSD$ 27.\" 28.Dd July 18, 2009 29.Dt SIIS 4 30.Os 31.Sh NAME 32.Nm siis 33.Nd SiliconImage Serial ATA Host Controller 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 pci" 40.Cd "device scbus" 41.Cd "device siis" 42.Ed 43.Pp 44Alternatively, to load the driver as a 45module at boot time, place the following line in 46.Xr loader.conf 5 : 47.Bd -literal -offset indent 48siis_load="YES" 49.Ed 50.Pp 51The following tunables are settable from the loader: 52.Bl -ohang 53.It Va hint.siis.X.msi 54controls Message Signaled Interrupts (MSI) usage by the specified controller. 55.It Va hint.siisch.X.pm_level 56controls SATA interface Power Management for specified channel, 57allowing some power to be saved at the cost of additional command 58latency. 59Possible values: 60.Bl -tag -compact 61.It 0 62interface Power Management is disabled (default); 63.It 1 64device is allowed to initiate PM state change, host is passive. 65.El 66Note that interface Power Management is not compatible with 67device presence detection. 68You will have to reset bus manually on device hot-plug. 69.It Va hint.siisch.X.sata_rev 70setting to nonzero value limits maximum SATA revision (speed). 71Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. 72.El 73.Sh DESCRIPTION 74This driver provides the CAM subsystem native access to the 75.Tn SATA 76ports of controller. 77Each SATA port is represented to CAM as a separate bus with 16 targets. 78Most of the bus-management details are handled by the SATA-specific 79transport of CAM. 80Connected ATA disks are handled by the ATA protocol disk peripheral driver 81.Xr ada 4 . 82ATAPI devices are handled by the SCSI protocol peripheral drivers 83.Xr cd 4 , 84.Xr da 4 , 85.Xr sa 4 , 86etc. 87.Pp 88Driver features include support for Serial ATA and ATAPI devices, 89Port Multipliers (including FIS-based switching), hardware command queues 90(31 command per port), Native Command Queuing, SATA interface Power Management, 91device hot-plug and Message Signaled Interrupts. 92.Pp 93Same hardware is also supported by atasiliconimage driver from 94.Xr ata 4 95subsystem. If both drivers are loaded at the same time, this one will be 96given precedence as the more functional of the two. 97.Sh HARDWARE 98The 99.Nm 100driver supports following controllers: 101.Bl -bullet -compact 102.It 103SiI3124 104.It 105SiI3132 106.It 107SiI3531 108.El 109.Sh SEE ALSO 110.Xr ada 4 , 111.Xr cd 4 , 112.Xr da 4 , 113.Xr sa 4 , 114.Xr scsi 4 , 115.Xr ata 4 116.Sh HISTORY 117The 118.Nm 119driver first appeared in 120.Fx 8.0 . 121.Sh AUTHORS 122.An Alexander Motin Aq mav@FreeBSD.org . 123