1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ata_dev_same_device</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libATA Developer's Guide"><link rel="up" href="libataInt.html" title="Chapter&#160;5.&#160;libata Core Internals"><link rel="prev" href="API-ata-wait-ready.html" title="ata_wait_ready"><link rel="next" href="API-ata-dev-reread-id.html" title="ata_dev_reread_id"></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">ata_dev_same_device</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ata-wait-ready.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;5.&#160;libata Core Internals</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-ata-dev-reread-id.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ata-dev-same-device"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ata_dev_same_device &#8212; 
2     Determine whether new ID matches configured device
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">ata_dev_same_device </b>(</code></td><td>struct ata_device * <var class="pdparam">dev</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">new_class</var>, </td></tr><tr><td>&#160;</td><td>const u16 * <var class="pdparam">new_id</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124183916"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4     device to compare against
5    </p></dd><dt><span class="term"><em class="parameter"><code>new_class</code></em></span></dt><dd><p>
6     class of the new device
7    </p></dd><dt><span class="term"><em class="parameter"><code>new_id</code></em></span></dt><dd><p>
8     IDENTIFY page of the new device
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124187484"></a><h2>Description</h2><p>
10   Compare <em class="parameter"><code>new_class</code></em> and <em class="parameter"><code>new_id</code></em> against <em class="parameter"><code>dev</code></em> and determine
11   whether <em class="parameter"><code>dev</code></em> is the device indicated by <em class="parameter"><code>new_class</code></em> and
12   <em class="parameter"><code>new_id</code></em>.
13</p></div><div class="refsect1"><a name="idp1124189972"></a><h2>LOCKING</h2><p>
14   None.
15</p></div><div class="refsect1"><a name="idp1124190548"></a><h2>RETURNS</h2><p>
16   1 if <em class="parameter"><code>dev</code></em> matches <em class="parameter"><code>new_class</code></em> and <em class="parameter"><code>new_id</code></em>, 0 otherwise.
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