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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>scsi_mode_select</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="SCSI Interfaces Guide" /><link rel="up" href="ch03.html#scsi_lib.c" title="drivers/scsi/scsi_lib.c" /><link rel="prev" href="re44.html" title="scsi_execute" /><link rel="next" href="re46.html" title="scsi_mode_sense" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>scsi_mode_select</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re44.html">Prev</a> </td><th width="60%" align="center">drivers/scsi/scsi_lib.c</th><td width="20%" align="right"> <a accesskey="n" href="re46.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="scsi_mode_select"><a id="API-scsi-mode-select"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>scsi_mode_select —
issue a mode select
</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 <b class="fsfunc">scsi_mode_select </b>(</code></td><td>struct scsi_device * <var class="pdparam">sdev</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">pf</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">sp</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">modepage</var>, </td></tr><tr><td> </td><td>unsigned char * <var class="pdparam">buffer</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">len</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">timeout</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">retries</var>, </td></tr><tr><td> </td><td>struct scsi_mode_data * <var class="pdparam">data</var>, </td></tr><tr><td> </td><td>struct scsi_sense_hdr * <var class="pdparam">sshdr</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2702825"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>sdev</code></em></span></dt><dd><p>
SCSI device to be queried
</p></dd><dt><span class="term"><em class="parameter"><code>pf</code></em></span></dt><dd><p>
Page format bit (1 == standard, 0 == vendor specific)
</p></dd><dt><span class="term"><em class="parameter"><code>sp</code></em></span></dt><dd><p>
Save page bit (0 == don't save, 1 == save)
</p></dd><dt><span class="term"><em class="parameter"><code>modepage</code></em></span></dt><dd><p>
mode page being requested
</p></dd><dt><span class="term"><em class="parameter"><code>buffer</code></em></span></dt><dd><p>
request buffer (may not be smaller than eight bytes)
</p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
length of request buffer.
</p></dd><dt><span class="term"><em class="parameter"><code>timeout</code></em></span></dt><dd><p>
command timeout
</p></dd><dt><span class="term"><em class="parameter"><code>retries</code></em></span></dt><dd><p>
number of retries before failing
</p></dd><dt><span class="term"><em class="parameter"><code>data</code></em></span></dt><dd><p>
returns a structure abstracting the mode header data
</p></dd><dt><span class="term"><em class="parameter"><code>sshdr</code></em></span></dt><dd><p>
place to put sense data (or NULL if no sense to be collected).
must be SCSI_SENSE_BUFFERSIZE big.
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2703003"></a><h2>Description</h2><p>
Returns zero if successful; negative error number or scsi
status on error
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re44.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch03.html#scsi_lib.c">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re46.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>scsi_execute</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>scsi_mode_sense</span></td></tr></table></div></body></html>
