1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>pci_find_bus</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-stop-and-remove-bus-device.html" title="pci_stop_and_remove_bus_device"><link rel="next" href="API-pci-find-next-bus.html" title="pci_find_next_bus"></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_bus</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pci-stop-and-remove-bus-device.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-next-bus.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-pci-find-bus"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pci_find_bus &#8212; 
2  locate PCI bus from a given domain and bus number
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">struct pci_bus * <b class="fsfunc">pci_find_bus </b>(</code></td><td>int <var class="pdparam">domain</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">busnr</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1126731196"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>domain</code></em></span></dt><dd><p>
4     number of PCI domain to search
5    </p></dd><dt><span class="term"><em class="parameter"><code>busnr</code></em></span></dt><dd><p>
6     number of desired PCI bus
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1126733852"></a><h2>Description</h2><p>
8   Given a PCI bus number and domain number, the desired PCI bus is located
9   in the global list of PCI buses.  If the bus is found, a pointer to its
10   data structure is returned.  If no bus is found, <code class="constant">NULL</code> is returned.
11</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-pci-stop-and-remove-bus-device.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch09s05.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-pci-find-next-bus.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">pci_stop_and_remove_bus_device</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">pci_find_next_bus</span></td></tr></table></div></body></html>
12