<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!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>fsl_rio_config_read</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="RapidIO Subsystem Guide" /><link rel="up" href="PPC32_support.html" title="PPC32 support" /><link rel="prev" href="API-fsl-local-config-write.html" title="fsl_local_config_write" /><link rel="next" href="API-fsl-rio-config-write.html" title="fsl_rio_config_write" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>fsl_rio_config_read</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-fsl-local-config-write.html">Prev</a> </td><th width="60%" align="center">PPC32 support</th><td width="20%" align="right"> <a accesskey="n" href="API-fsl-rio-config-write.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="fsl_rio_config_read"><a id="API-fsl-rio-config-read"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>fsl_rio_config_read — Generate a MPC85xx read maintenance transaction </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <strong>fsfuncfsl_rio_config_read </strong>(</code></td><td>struct rio_mport * <var class="pdparam">mport</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">index</var>, </td></tr><tr><td> </td><td>u16 <var class="pdparam">destid</var>, </td></tr><tr><td> </td><td>u8 <var class="pdparam">hopcount</var>, </td></tr><tr><td> </td><td>u32 <var class="pdparam">offset</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">len</var>, </td></tr><tr><td> </td><td>u32 * <var class="pdparam">val</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3001224"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>mport</code></em></span></dt><dd><p> RapidIO master port info </p></dd><dt><span class="term"><em class="parameter"><code>index</code></em></span></dt><dd><p> ID of RapdiIO interface </p></dd><dt><span class="term"><em class="parameter"><code>destid</code></em></span></dt><dd><p> Destination ID of transaction </p></dd><dt><span class="term"><em class="parameter"><code>hopcount</code></em></span></dt><dd><p> Number of hops to target device </p></dd><dt><span class="term"><em class="parameter"><code>offset</code></em></span></dt><dd><p> Offset into configuration space </p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p> Length (in bytes) of the maintenance transaction </p></dd><dt><span class="term"><em class="parameter"><code>val</code></em></span></dt><dd><p> Location to be read into </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3001354"></a><h2>Description</h2><p> Generates a MPC85xx read maintenance transaction. Returns <code class="constant">0</code> on success or <code class="constant">-EINVAL</code> on failure. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-fsl-local-config-write.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="PPC32_support.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-fsl-rio-config-write.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>fsl_local_config_write</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>fsl_rio_config_write</span></td></tr></table></div></body></html>