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+<table class="head">
+ <tr>
+ <td class="head-ltitle">SIIS(4)</td>
+ <td class="head-vol">Device Drivers Manual</td>
+ <td class="head-rtitle">SIIS(4)</td>
+ </tr>
+</table>
+<div class="manual-text">
+<section class="Sh">
+<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
+<p class="Pp"><code class="Nm">siis</code> &#x2014;
+ <span class="Nd">SiliconImage Serial ATA Host Controller driver</span></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
+<p class="Pp">To compile this driver into the kernel, place the following lines
+ in your kernel configuration file:</p>
+<div class="Bd Pp Bd-indent"><code class="Cd">device pci</code>
+<br/>
+<code class="Cd">device scbus</code>
+<br/>
+<code class="Cd">device siis</code></div>
+<p class="Pp">Alternatively, to load the driver as a module at boot time, place
+ the following line in <a class="Xr">loader.conf(5)</a>:</p>
+<div class="Bd Pp Bd-indent Li">
+<pre>siis_load=&quot;YES&quot;</pre>
+</div>
+<p class="Pp">The following tunables are settable from the
+ <a class="Xr">loader(8)</a>:</p>
+<dl class="Bl-ohang">
+ <dt id="hint.siis."><var class="Va">hint.siis.</var><var class="Ar">X</var><var class="Va">.msi</var></dt>
+ <dd>controls Message Signaled Interrupts (MSI) usage by the specified
+ controller.</dd>
+ <dt id="hint.siisch."><var class="Va">hint.siisch.</var><var class="Ar">X</var><var class="Va">.pm_level</var></dt>
+ <dd>controls SATA interface Power Management for the specified channel,
+ allowing some power to be saved at the cost of additional command latency.
+ Possible values:
+ <div class="Bd-indent">
+ <dl class="Bl-tag">
+ <dt>0</dt>
+ <dd>interface Power Management is disabled (default);</dd>
+ <dt>1</dt>
+ <dd>device is allowed to initiate PM state change, host is passive.</dd>
+ </dl>
+ </div>
+ <p class="Pp">Note that interface Power Management is not compatible with
+ device presence detection. A manual bus reset is needed on device
+ hot-plug.</p>
+ </dd>
+ <dt id="hint.siisch.~2"><var class="Va">hint.siisch.</var><var class="Ar">X</var><var class="Va">.sata_rev</var></dt>
+ <dd>setting to nonzero value limits maximum SATA revision (speed). Values 1, 2
+ and 3 are respectively 1.5, 3 and 6Gbps.</dd>
+</dl>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
+<p class="Pp">This driver provides the <a class="Xr">CAM(4)</a> subsystem with
+ native access to the SATA ports of controller. Each SATA port is represented
+ to CAM as a separate bus with 16 targets. Most of the bus-management details
+ are handled by the SATA-specific transport of CAM. Connected ATA disks are
+ handled by the ATA protocol disk peripheral driver <a class="Xr">ada(4)</a>.
+ ATAPI devices are handled by the SCSI protocol peripheral drivers
+ <a class="Xr">cd(4)</a>, <a class="Xr">da(4)</a>, <a class="Xr">sa(4)</a>,
+ etc.</p>
+<p class="Pp">Driver features include support for Serial ATA and ATAPI devices,
+ Port Multipliers (including FIS-based switching), hardware command queues
+ (31 command per port), Native Command Queuing, SATA interface Power
+ Management, device hot-plug and Message Signaled Interrupts.</p>
+<p class="Pp">The activity LEDs of the adapters supported by the
+ <code class="Nm">siis</code> driver can be controlled via the
+ <a class="Xr">led(4)</a> API for localization or status reporting
+ purposes.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
+<p class="Pp">The <code class="Nm">siis</code> driver supports the following
+ controller chips:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+ <li>SiI3124 (PCI-X 133MHz/64bit, 4 ports)</li>
+ <li>SiI3131 (PCIe 1.0 x1, 1 port)</li>
+ <li>SiI3132 (PCIe 1.0 x1, 2 ports)</li>
+ <li>SiI3531 (PCIe 1.0 x1, 1 port)</li>
+</ul>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
+<dl class="Bl-tag">
+ <dt><span class="Pa">/dev/led/siisch*</span></dt>
+ <dd>identification LED device nodes</dd>
+</dl>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
+ ALSO</a></h1>
+<p class="Pp"><a class="Xr">ada(4)</a>, <a class="Xr">ata(4)</a>,
+ <a class="Xr">cam(4)</a>, <a class="Xr">cd(4)</a>, <a class="Xr">da(4)</a>,
+ <a class="Xr">led(4)</a>, <a class="Xr">sa(4)</a></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
+<p class="Pp">The <code class="Nm">siis</code> driver first appeared in
+ <span class="Ux">FreeBSD 8.0</span>.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
+<p class="Pp"><span class="An">Alexander Motin</span>
+ &lt;<a class="Mt" href="mailto:mav@FreeBSD.org">mav@FreeBSD.org</a>&gt;</p>
+</section>
+</div>
+<table class="foot">
+ <tr>
+ <td class="foot-date">March 23, 2015</td>
+ <td class="foot-os">FreeBSD 15.0</td>
+ </tr>
+</table>