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<div id="projectname">Hardware Locality (hwloc)
 <span id="projectnumber">2.4.1</span>
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<div class="title">Components and Plugins: finding PCI objects during other discoveries</div> </div>
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Functions</h2></td></tr>
<tr class="memitem:ga7964833550947636ab8975909de3fa98"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="a00244.html">hwloc_obj</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00239.html#ga7964833550947636ab8975909de3fa98">hwloc_pci_find_parent_by_busid</a> (struct hwloc_topology *topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7964833550947636ab8975909de3fa98">◆ </a></span>hwloc_pci_find_parent_by_busid()</h2>
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<td class="memname">struct <a class="el" href="a00244.html">hwloc_obj</a>* hwloc_pci_find_parent_by_busid </td>
<td>(</td>
<td class="paramtype">struct hwloc_topology * </td>
<td class="paramname"><em>topology</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>domain</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>bus</em>, </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>dev</em>, </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>func</em> </td>
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<td>)</td>
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<p>Find the normal parent of a PCI bus ID. </p>
<p>Look at PCI affinity to find out where the given PCI bus ID should be attached.</p>
<p>This function should be used to attach an I/O device under the corresponding PCI object (if any), or under a normal (non-I/O) object with same locality. </p>
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