Sophie

Sophie

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kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!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>scsi_mode_sense</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="SCSI Interfaces Guide" /><link rel="up" href="mid_layer.html#scsi_lib.c" title="drivers/scsi/scsi_lib.c" /><link rel="prev" href="API-scsi-mode-select.html" title="scsi_mode_select" /><link rel="next" href="API-scsi-test-unit-ready.html" title="scsi_test_unit_ready" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">scsi_mode_sense</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-scsi-mode-select.html">Prev</a>&#160;</td><th width="60%" align="center">drivers/scsi/scsi_lib.c</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-scsi-test-unit-ready.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-scsi-mode-sense"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>scsi_mode_sense &#8212; 
     issue a mode sense, falling back from 10 to six bytes if necessary.
 </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 <strong class="fsfunc">scsi_mode_sense </strong>(</code></td><td>struct scsi_device * <var class="pdparam">sdev</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">dbd</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">modepage</var>, </td></tr><tr><td>&#160;</td><td>unsigned char * <var class="pdparam">buffer</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">len</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">timeout</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">retries</var>, </td></tr><tr><td>&#160;</td><td>struct scsi_mode_data * <var class="pdparam">data</var>, </td></tr><tr><td>&#160;</td><td>struct scsi_sense_hdr * <var class="pdparam">sshdr</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm140319708977312"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><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>dbd</code></em></span></dt><dd><p>
     set if mode sense will allow block descriptors to be returned
    </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"><a id="idm140319708958640"></a><h2>Description</h2><p>
   Returns zero if unsuccessful, or the header offset (either 4
   or 8 depending on whether a six or ten byte command was
   issued) if successful.
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