1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>mpt_handshake_req_reply_wait</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="message_devices.html#idp1111130356" title="Fusion message devices"><link rel="prev" href="API-PrimeIocFifos.html" title="PrimeIocFifos"><link rel="next" href="API-WaitForDoorbellAck.html" title="WaitForDoorbellAck"></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">mpt_handshake_req_reply_wait</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-PrimeIocFifos.html">Prev</a>&#160;</td><th width="60%" align="center">Fusion message devices</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-WaitForDoorbellAck.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-mpt-handshake-req-reply-wait"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>mpt_handshake_req_reply_wait &#8212; 
2     Send MPT request to and receive reply from IOC via doorbell handshake method.
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">mpt_handshake_req_reply_wait </b>(</code></td><td>MPT_ADAPTER * <var class="pdparam">ioc</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">reqBytes</var>, </td></tr><tr><td>&#160;</td><td>u32 * <var class="pdparam">req</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">replyBytes</var>, </td></tr><tr><td>&#160;</td><td>u16 * <var class="pdparam">u16reply</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">maxwait</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">sleepFlag</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1111716956"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>ioc</code></em></span></dt><dd><p>
4     Pointer to MPT_ADAPTER structure
5    </p></dd><dt><span class="term"><em class="parameter"><code>reqBytes</code></em></span></dt><dd><p>
6     Size of the request in bytes
7    </p></dd><dt><span class="term"><em class="parameter"><code>req</code></em></span></dt><dd><p>
8     Pointer to MPT request frame
9    </p></dd><dt><span class="term"><em class="parameter"><code>replyBytes</code></em></span></dt><dd><p>
10     Expected size of the reply in bytes
11    </p></dd><dt><span class="term"><em class="parameter"><code>u16reply</code></em></span></dt><dd><p>
12     Pointer to area where reply should be written
13    </p></dd><dt><span class="term"><em class="parameter"><code>maxwait</code></em></span></dt><dd><p>
14     Max wait time for a reply (in seconds)
15    </p></dd><dt><span class="term"><em class="parameter"><code>sleepFlag</code></em></span></dt><dd><p>
16     Specifies whether the process can sleep
17    </p></dd></dl></div></div><div class="refsect1"><a name="idp1111724780"></a><h2>NOTES</h2><p>
18   It is the callers responsibility to byte-swap fields in the
19   request which are greater than 1 byte in size.  It is also the
20   callers responsibility to byte-swap response fields which are
21   greater than 1 byte in size.
22   </p><p>
23
24   Returns 0 for success, non-zero for failure.
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