<?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>ata_exec_internal</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="libATA Developer's Guide" /><link rel="up" href="ch05.html" title="Chapter 5. libata Core Internals" /><link rel="prev" href="re75.html" title="ata_exec_internal_sg" /><link rel="next" href="re77.html" title="ata_do_simple_cmd" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>ata_exec_internal</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re75.html">Prev</a> </td><th width="60%" align="center">Chapter 5. libata Core Internals</th><td width="20%" align="right"> <a accesskey="n" href="re77.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="ata_exec_internal"><a id="API-ata-exec-internal"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ata_exec_internal —
execute libata internal command
</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">unsigned <b class="fsfunc">ata_exec_internal </b>(</code></td><td>struct ata_device * <var class="pdparam">dev</var>, </td></tr><tr><td> </td><td>struct ata_taskfile * <var class="pdparam">tf</var>, </td></tr><tr><td> </td><td>const u8 * <var class="pdparam">cdb</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">dma_dir</var>, </td></tr><tr><td> </td><td>void * <var class="pdparam">buf</var>, </td></tr><tr><td> </td><td>unsigned int <var class="pdparam">buflen</var>, </td></tr><tr><td> </td><td>unsigned long <var class="pdparam">timeout</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2903901"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
Device to which the command is sent
</p></dd><dt><span class="term"><em class="parameter"><code>tf</code></em></span></dt><dd><p>
Taskfile registers for the command and the result
</p></dd><dt><span class="term"><em class="parameter"><code>cdb</code></em></span></dt><dd><p>
CDB for packet command
</p></dd><dt><span class="term"><em class="parameter"><code>dma_dir</code></em></span></dt><dd><p>
Data tranfer direction of the command
</p></dd><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p>
Data buffer of the command
</p></dd><dt><span class="term"><em class="parameter"><code>buflen</code></em></span></dt><dd><p>
Length of data buffer
</p></dd><dt><span class="term"><em class="parameter"><code>timeout</code></em></span></dt><dd><p>
Timeout in msecs (0 for default)
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2904028"></a><h2>Description</h2><p>
Wrapper around <code class="function">ata_exec_internal_sg</code> which takes simple
buffer instead of sg list.
</p></div><div class="refsect1" title="LOCKING"><a id="id2904044"></a><h2>LOCKING</h2><p>
None. Should be called with kernel context, might sleep.
</p></div><div class="refsect1" title="RETURNS"><a id="id2904055"></a><h2>RETURNS</h2><p>
Zero on success, AC_ERR_* mask on failure
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re75.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re77.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>ata_exec_internal_sg</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>ata_do_simple_cmd</span></td></tr></table></div></body></html>
