<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ccw_device_set_options_mask</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="ccwdev.html" title="ccw devices"><link rel="prev" href="API-ccw-device-siosl.html" title="ccw_device_siosl"><link rel="next" href="API-ccw-device-set-options.html" title="ccw_device_set_options"></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">ccw_device_set_options_mask</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ccw-device-siosl.html">Prev</a> </td><th width="60%" align="center">ccw devices</th><td width="20%" align="right"> <a accesskey="n" href="API-ccw-device-set-options.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ccw-device-set-options-mask"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ccw_device_set_options_mask —
set some options and unset the rest
</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">ccw_device_set_options_mask </b>(</code></td><td>struct ccw_device * <var class="pdparam">cdev</var>, </td></tr><tr><td> </td><td>unsigned long <var class="pdparam">flags</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idp319275052"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>cdev</code></em></span></dt><dd><p>
device for which the options are to be set
</p></dd><dt><span class="term"><em class="parameter"><code>flags</code></em></span></dt><dd><p>
options to be set
</p></dd></dl></div></div><div class="refsect1"><a name="idp319277636"></a><h2>Description</h2><p>
All flags specified in <em class="parameter"><code>flags</code></em> are set, all flags not specified in <em class="parameter"><code>flags</code></em>
are cleared.
</p></div><div class="refsect1"><a name="idp319278884"></a><h2>Returns</h2><p>
<code class="constant">0</code> on success, -<code class="constant">EINVAL</code> on an invalid flag combination.
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