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kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>rio_mport_get_feature</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="RapidIO Subsystem Guide" /><link rel="up" href="drivers.html#Functions" title="Functions" /><link rel="prev" href="API-rio-mport-get-efb.html" title="rio_mport_get_efb" /><link rel="next" href="API-rio-get-asm.html" title="rio_get_asm" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">rio_mport_get_feature</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-rio-mport-get-efb.html">Prev</a>&#160;</td><th width="60%" align="center">Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-rio-get-asm.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-rio-mport-get-feature"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>rio_mport_get_feature &#8212; 
     query for devices' extended features
 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">u32 <strong class="fsfunc">rio_mport_get_feature </strong>(</code></td><td>struct rio_mport * <var class="pdparam">port</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">local</var>, </td></tr><tr><td>&#160;</td><td>u16 <var class="pdparam">destid</var>, </td></tr><tr><td>&#160;</td><td>u8 <var class="pdparam">hopcount</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">ftr</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm139781245420640"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>port</code></em></span></dt><dd><p>
     Master port to issue transaction
    </p></dd><dt><span class="term"><em class="parameter"><code>local</code></em></span></dt><dd><p>
     Indicate a local master port or remote device access
    </p></dd><dt><span class="term"><em class="parameter"><code>destid</code></em></span></dt><dd><p>
     Destination ID of the device
    </p></dd><dt><span class="term"><em class="parameter"><code>hopcount</code></em></span></dt><dd><p>
     Number of switch hops to the device
    </p></dd><dt><span class="term"><em class="parameter"><code>ftr</code></em></span></dt><dd><p>
     Extended feature code
    </p></dd></dl></div></div><div class="refsect1"><a id="idm139781245409888"></a><h2>Description</h2><p>
   Tell if a device supports a given RapidIO capability.
   Returns the offset of the requested extended feature
   block within the device's RIO configuration space or
   0 in case the device does not support it.  Possible
   values for <em class="parameter"><code>ftr</code></em>:
   </p><p>

   <code class="constant">RIO_EFB_PAR_EP_ID</code>		LP/LVDS EP Devices
   </p><p>

   <code class="constant">RIO_EFB_PAR_EP_REC_ID</code>	LP/LVDS EP Recovery Devices
   </p><p>

   <code class="constant">RIO_EFB_PAR_EP_FREE_ID</code>	LP/LVDS EP Free Devices
   </p><p>

   <code class="constant">RIO_EFB_SER_EP_ID</code>		LP/Serial EP Devices
   </p><p>

   <code class="constant">RIO_EFB_SER_EP_REC_ID</code>	LP/Serial EP Recovery Devices
   </p><p>

   <code class="constant">RIO_EFB_SER_EP_FREE_ID</code>	LP/Serial EP Free Devices
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