<?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>ccw_device_set_offline</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><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-struct-ccw-driver.html" title="struct ccw_driver" /><link rel="next" href="API-ccw-device-set-online.html" title="ccw_device_set_online" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>ccw_device_set_offline</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-ccw-driver.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-online.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="ccw_device_set_offline"><a id="API-ccw-device-set-offline"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ccw_device_set_offline — disable a ccw device for I/O </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 <strong>fsfuncccw_device_set_offline </strong>(</code></td><td>struct ccw_device * <var class="pdparam">cdev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2714668"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>cdev</code></em></span></dt><dd><p> target ccw device </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2714694"></a><h2>Description</h2><p> This function calls the driver's <code class="function">set_offline</code> function for <em class="parameter"><code>cdev</code></em>, if given, and then disables <em class="parameter"><code>cdev</code></em>. </p></div><div class="refsect1" title="Returns"><a id="id2714721"></a><h2>Returns</h2><p> <code class="constant">0</code> on success and a negative error value on failure. </p></div><div class="refsect1" title="Context"><a id="id2714734"></a><h2>Context</h2><p> enabled, ccw device lock not held </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-ccw-driver.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ccwdev.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-ccw-device-set-online.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>struct ccw_driver</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>ccw_device_set_online</span></td></tr></table></div></body></html>