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.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd March 23, 2015 26.Dt SIIS 4 27.Os 28.Sh NAME 29.Nm siis 30.Nd SiliconImage Serial ATA Host Controller driver 31.Sh SYNOPSIS 32To compile this driver into the kernel, 33place the following lines in your 34kernel configuration file: 35.Bd -ragged -offset indent 36.Cd "device pci" 37.Cd "device scbus" 38.Cd "device siis" 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 45siis_load="YES" 46.Ed 47.Pp 48The following tunables are settable from the 49.Xr loader 8 : 50.Bl -ohang 51.It Va hint.siis. Ns Ar X Ns Va .msi 52controls Message Signaled Interrupts (MSI) usage by the specified controller. 53.It Va hint.siisch. Ns Ar X Ns Va .pm_level 54controls SATA interface Power Management for the specified channel, 55allowing some power to be saved at the cost of additional command 56latency. 57Possible values: 58.Bl -tag -width 2n -offset indent 59.It 0 60interface Power Management is disabled (default); 61.It 1 62device is allowed to initiate PM state change, host is passive. 63.El 64.Pp 65Note that interface Power Management is not compatible with 66device presence detection. 67A manual bus reset is needed on device hot-plug. 68.It Va hint.siisch. Ns Ar X Ns Va .sata_rev 69setting to nonzero value limits maximum SATA revision (speed). 70Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. 71.El 72.Sh DESCRIPTION 73This driver provides the 74.Xr CAM 4 75subsystem with native access to the 76.Tn SATA 77ports of controller. 78Each SATA port is represented to CAM as a separate bus with 16 targets. 79Most of the bus-management details are handled by the SATA-specific 80transport of CAM. 81Connected ATA disks are handled by the ATA protocol disk peripheral driver 82.Xr ada 4 . 83ATAPI devices are handled by the SCSI protocol peripheral drivers 84.Xr cd 4 , 85.Xr da 4 , 86.Xr sa 4 , 87etc. 88.Pp 89Driver features include support for Serial ATA and ATAPI devices, 90Port Multipliers (including FIS-based switching), hardware command queues 91(31 command per port), Native Command Queuing, SATA interface Power Management, 92device hot-plug and Message Signaled Interrupts. 93.Pp 94The activity LEDs of the adapters supported by the 95.Nm 96driver can be controlled via the 97.Xr led 4 98API for localization or status reporting purposes. 99.Sh HARDWARE 100The 101.Nm 102driver supports the following controller chips: 103.Pp 104.Bl -bullet -compact 105.It 106SiI3124 (PCI-X 133MHz/64bit, 4 ports) 107.It 108SiI3131 (PCIe 1.0 x1, 1 port) 109.It 110SiI3132 (PCIe 1.0 x1, 2 ports) 111.It 112SiI3531 (PCIe 1.0 x1, 1 port) 113.El 114.Sh FILES 115.Bl -tag -width /dev/led/siisch* 116.It Pa /dev/led/siisch* 117identification LED device nodes 118.El 119.Sh SEE ALSO 120.Xr ada 4 , 121.Xr ata 4 , 122.Xr cam 4 , 123.Xr cd 4 , 124.Xr da 4 , 125.Xr led 4 , 126.Xr sa 4 127.Sh HISTORY 128The 129.Nm 130driver first appeared in 131.Fx 8.0 . 132.Sh AUTHORS 133.An Alexander Motin Aq Mt mav@FreeBSD.org 134