1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>struct esw1</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Writing s390 channel device drivers"><link rel="up" href="ccw.html#channelIO" title="I/O functions for channel-attached devices"><link rel="prev" href="API-struct-esw0.html" title="struct esw0"><link rel="next" href="API-struct-esw2.html" title="struct esw2"></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">struct esw1</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-esw0.html">Prev</a> </td><th width="60%" align="center">I/O functions for channel-attached devices</th><td width="20%" align="right"> <a accesskey="n" href="API-struct-esw2.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-esw1"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct esw1 — 2 Format 1 Extended Status Word (ESW) 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting"> 4struct esw1 { 5 __u8 zero0; 6 __u8 lpum; 7 __u16 zero16; 8 struct erw erw; 9 __u32 zeros[3]; 10}; </pre></div><div class="refsect1"><a name="idp1121190572"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">zero0</span></dt><dd><p> 11 reserved zeros 12 </p></dd><dt><span class="term">lpum</span></dt><dd><p> 13 last path used mask 14 </p></dd><dt><span class="term">zero16</span></dt><dd><p> 15 reserved zeros 16 </p></dd><dt><span class="term">erw</span></dt><dd><p> 17 extended report word 18 </p></dd><dt><span class="term">zeros[3]</span></dt><dd><p> 19 three fullwords of zeros 20 </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-esw0.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ccw.html#channelIO">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-struct-esw2.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">struct esw0</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">struct esw2</span></td></tr></table></div></body></html> 21