1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>scsi_execute</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-ioctl.html" title="scsi_ioctl"><link rel="next" href="API-scsi-mode-select.html" title="scsi_mode_select"></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">scsi_execute</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-scsi-ioctl.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-mode-select.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-scsi-execute"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>scsi_execute &#8212; 
2  insert request and wait for the result
3 </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">scsi_execute </b>(</code></td><td>struct scsi_device * <var class="pdparam">sdev</var>, </td></tr><tr><td>&#160;</td><td>const unsigned char * <var class="pdparam">cmd</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">data_direction</var>, </td></tr><tr><td>&#160;</td><td>void * <var class="pdparam">buffer</var>, </td></tr><tr><td>&#160;</td><td>unsigned <var class="pdparam">bufflen</var>, </td></tr><tr><td>&#160;</td><td>unsigned char * <var class="pdparam">sense</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>u64 <var class="pdparam">flags</var>, </td></tr><tr><td>&#160;</td><td>int * <var class="pdparam">resid</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123841852"></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>
4     scsi device
5    </p></dd><dt><span class="term"><em class="parameter"><code>cmd</code></em></span></dt><dd><p>
6     scsi command
7    </p></dd><dt><span class="term"><em class="parameter"><code>data_direction</code></em></span></dt><dd><p>
8     data direction
9    </p></dd><dt><span class="term"><em class="parameter"><code>buffer</code></em></span></dt><dd><p>
10     data buffer
11    </p></dd><dt><span class="term"><em class="parameter"><code>bufflen</code></em></span></dt><dd><p>
12     len of buffer
13    </p></dd><dt><span class="term"><em class="parameter"><code>sense</code></em></span></dt><dd><p>
14     optional sense buffer
15    </p></dd><dt><span class="term"><em class="parameter"><code>timeout</code></em></span></dt><dd><p>
16     request timeout in seconds
17    </p></dd><dt><span class="term"><em class="parameter"><code>retries</code></em></span></dt><dd><p>
18     number of times to retry request
19    </p></dd><dt><span class="term"><em class="parameter"><code>flags</code></em></span></dt><dd><p>
20     or into request flags;
21    </p></dd><dt><span class="term"><em class="parameter"><code>resid</code></em></span></dt><dd><p>
22     optional residual length
23    </p></dd></dl></div></div><div class="refsect1"><a name="idp1123852164"></a><h2>Description</h2><p>
24   returns the req-&gt;errors value which is the scsi_cmnd result
25   field.
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