1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>mpt_register</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="message_devices.html" title="Chapter&#160;4.&#160;Message-based devices"><link rel="next" href="API-mpt-deregister.html" title="mpt_deregister"></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_register</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="message_devices.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-mpt-deregister.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-mpt-register"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>mpt_register &#8212; 
2  Register protocol-specific main callback handler.
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">u8 <b class="fsfunc">mpt_register </b>(</code></td><td>MPT_CALLBACK <var class="pdparam">cbfunc</var>, </td></tr><tr><td>&#160;</td><td>MPT_DRIVER_CLASS <var class="pdparam">dclass</var>, </td></tr><tr><td>&#160;</td><td>char * <var class="pdparam">func_name</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1111136508"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>cbfunc</code></em></span></dt><dd><p>
4     callback function pointer
5    </p></dd><dt><span class="term"><em class="parameter"><code>dclass</code></em></span></dt><dd><p>
6     Protocol driver's class (<code class="constant">MPT_DRIVER_CLASS</code> enum value)
7    </p></dd><dt><span class="term"><em class="parameter"><code>func_name</code></em></span></dt><dd><p>
8     call function's name
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1111140380"></a><h2>Description</h2><p>
10   This routine is called by a protocol-specific driver (SCSI host,
11   LAN, SCSI target) to register its reply callback routine.  Each
12   protocol-specific driver must do this before it will be able to
13   use any IOC resources, such as obtaining request frames.
14</p></div><div class="refsect1"><a name="idp1111141244"></a><h2>NOTES</h2><p>
15   The SCSI protocol driver currently calls this routine thrice
16   in order to register separate callbacks; one for <span class="quote">&#8220;<span class="quote">normal</span>&#8221;</span> SCSI IO;
17   one for MptScsiTaskMgmt requests; one for Scan/DV requests.
18   </p><p>
19
20   Returns u8 valued <span class="quote">&#8220;<span class="quote">handle</span>&#8221;</span> in the range (and S.O.D. order)
21   {N,...,7,6,5,...,1} if successful.
22   A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
23   considered an error by the caller.
24</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="message_devices.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="message_devices.html#idp1111130356">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-mpt-deregister.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter&#160;4.&#160;Message-based devices&#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">mpt_deregister</span></td></tr></table></div></body></html>
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