<?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>procmpt_summary_read</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="ch04.html#id2637965" title="Fusion message devices" /><link rel="prev" href="re377.html" title="procmpt_destroy" /><link rel="next" href="re379.html" title="procmpt_version_read" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>procmpt_summary_read</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re377.html">Prev</a> </td><th width="60%" align="center">Fusion message devices</th><td width="20%" align="right"> <a accesskey="n" href="re379.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="procmpt_summary_read"><a id="API-procmpt-summary-read"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>procmpt_summary_read — Handle read request of a summary file </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 <b class="fsfunc">procmpt_summary_read </b>(</code></td><td>char * <var class="pdparam">buf</var>, </td></tr><tr><td> </td><td>char ** <var class="pdparam">start</var>, </td></tr><tr><td> </td><td>off_t <var class="pdparam">offset</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">request</var>, </td></tr><tr><td> </td><td>int * <var class="pdparam">eof</var>, </td></tr><tr><td> </td><td>void * <var class="pdparam">data</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2649755"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p> Pointer to area to write information </p></dd><dt><span class="term"><em class="parameter"><code>start</code></em></span></dt><dd><p> Pointer to start pointer </p></dd><dt><span class="term"><em class="parameter"><code>offset</code></em></span></dt><dd><p> Offset to start writing </p></dd><dt><span class="term"><em class="parameter"><code>request</code></em></span></dt><dd><p> Amount of read data requested </p></dd><dt><span class="term"><em class="parameter"><code>eof</code></em></span></dt><dd><p> Pointer to EOF integer </p></dd><dt><span class="term"><em class="parameter"><code>data</code></em></span></dt><dd><p> Pointer </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2649867"></a><h2>Description</h2><p> Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary. Returns number of characters written to process performing the read. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re377.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch04.html#id2637965">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re379.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>procmpt_destroy</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>procmpt_version_read</span></td></tr></table></div></body></html>