1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>rio_disc_mport</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="Enumeration_and_Discovery.html" title="Enumeration and Discovery"><link rel="prev" href="API-rio-build-route-tables.html" title="rio_build_route_tables"><link rel="next" href="API-rio-basic-attach.html" title="rio_basic_attach"></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">rio_disc_mport</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-rio-build-route-tables.html">Prev</a> </td><th width="60%" align="center">Enumeration and Discovery</th><td width="20%" align="right"> <a accesskey="n" href="API-rio-basic-attach.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-rio-disc-mport"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>rio_disc_mport — 
2     Start discovery through a master port
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">rio_disc_mport </b>(</code></td><td><a class="link" href="API-struct-rio-mport.html" title="struct rio_mport">struct rio_mport</a> * <var class="pdparam">mport</var>, </td></tr><tr><td> </td><td>u32 <var class="pdparam">flags</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.6.4.28.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>mport</code></em></span></dt><dd><p>
4     Master port to send transactions
5    </p></dd><dt><span class="term"><em class="parameter"><code>flags</code></em></span></dt><dd><p>
6     discovery control flags
7    </p></dd></dl></div></div><div class="refsect1"><a name="id-1.6.4.28.6"></a><h2>Description</h2><p>
8   Starts the discovery process. If we have an active link,
9   then wait for the signal that enumeration is complete (if wait
10   is allowed).
11   When enumeration completion is signaled, start recursive
12   peer discovery. Returns <code class="constant">0</code> if discovery succeeds or <code class="constant">-EBUSY</code>
13   on failure.
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