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 52.Xr loader 8 : 53.Bl -ohang 54.It Va hint.siis. Ns Ar X Ns Va .msi 55controls Message Signaled Interrupts (MSI) usage by the specified controller. 56.It Va hint.siisch. Ns Ar X Ns Va .pm_level 57controls SATA interface Power Management for the specified channel, 58allowing some power to be saved at the cost of additional command 59latency. 60Possible values: 61.Bl -tag -compact 62.It 0 63interface Power Management is disabled (default); 64.It 1 65device is allowed to initiate PM state change, host is passive. 66.El 67Note that interface Power Management is not compatible with 68device presence detection. 69A manual bus reset is needed on device hot-plug. 70.It Va hint.siisch. Ns Ar X Ns Va .sata_rev 71setting to nonzero value limits maximum SATA revision (speed). 72Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. 73.El 74.Sh DESCRIPTION 75This driver provides the 76.Xr CAM 4 77subsystem with native access to the 78.Tn SATA 79ports of controller. 80Each SATA port is represented to CAM as a separate bus with 16 targets. 81Most of the bus-management details are handled by the SATA-specific 82transport of CAM. 83Connected ATA disks are handled by the ATA protocol disk peripheral driver 84.Xr ada 4 . 85ATAPI devices are handled by the SCSI protocol peripheral drivers 86.Xr cd 4 , 87.Xr da 4 , 88.Xr sa 4 , 89etc. 90.Pp 91Driver features include support for Serial ATA and ATAPI devices, 92Port Multipliers (including FIS-based switching), hardware command queues 93(31 command per port), Native Command Queuing, SATA interface Power Management, 94device hot-plug and Message Signaled Interrupts. 95.Pp 96Same hardware is also supported by the atasiliconimage driver from 97.Xr ata 4 98subsystem. 99If both drivers are loaded at the same time, this one will be 100given precedence as the more functional of the two. 101.Sh HARDWARE 102The 103.Nm 104driver supports the following controllers: 105.Bl -bullet -compact 106.It 107SiI3124 108.It 109SiI3132 110.It 111SiI3531 112.El 113.Sh SEE ALSO 114.Xr ada 4 , 115.Xr ata 4 , 116.Xr cam 4 , 117.Xr cd 4 , 118.Xr da 4 , 119.Xr sa 4 120.Sh HISTORY 121The 122.Nm 123driver first appeared in 124.Fx 8.0 . 125.Sh AUTHORS 126.An Alexander Motin Aq mav@FreeBSD.org . 127