1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>pci_find_next_ht_capability</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="ch09s05.html" title="PCI Support Library"><link rel="prev" href="API-pci-find-ext-capability.html" title="pci_find_ext_capability"><link rel="next" href="API-pci-find-ht-capability.html" title="pci_find_ht_capability"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">pci_find_next_ht_capability</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pci-find-ext-capability.html">Prev</a>&#160;</td><th width="60%" align="center">PCI Support Library</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-pci-find-ht-capability.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-pci-find-next-ht-capability"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pci_find_next_ht_capability &#8212; 
2     query a device's Hypertransport capabilities
3 </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">int <b class="fsfunc">pci_find_next_ht_capability </b>(</code></td><td>struct pci_dev * <var class="pdparam">dev</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">pos</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">ht_cap</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1126111708"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4     PCI device to query
5    </p></dd><dt><span class="term"><em class="parameter"><code>pos</code></em></span></dt><dd><p>
6     Position from which to continue searching
7    </p></dd><dt><span class="term"><em class="parameter"><code>ht_cap</code></em></span></dt><dd><p>
8     Hypertransport capability code
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1126115372"></a><h2>Description</h2><p>
10   To be used in conjunction with <code class="function">pci_find_ht_capability</code> to search for
11   all capabilities matching <em class="parameter"><code>ht_cap</code></em>. <em class="parameter"><code>pos</code></em> should always be a value returned
12   from <code class="function">pci_find_ht_capability</code>.
13   </p><p>
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15   NB. To be 100% safe against broken PCI devices, the caller should take
16   steps to avoid an infinite loop.
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