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<body class="manpage">
<div id="header">
<h1>
nvme-huawei-id-ctrl(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-huawei-id-ctrl -
   Send NVMe Identify Controller, return result and structure
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><em>nvme huawei id-ctrl</em> &lt;device&gt; [--vendor-specific | -v] [--raw-binary | -b]
                        [--output-format=&lt;fmt&gt; | -o &lt;fmt&gt;]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>For the NVMe device given, sends an identify controller command and
provides the result and returned structure.</p></div>
<div class="paragraph"><p>The &lt;device&gt; parameter is mandatory and may be either the NVMe character
device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).</p></div>
<div class="paragraph"><p>This will only work on Huawei devices supporting this feature.
Results for any other device are undefined.</p></div>
<div class="paragraph"><p>On success, the structure may be returned in one of several ways depending
on the option flags; the structure may be parsed by the program or the
raw buffer may be printed to stdout.</p></div>
<div class="paragraph"><p>If having the program decode the output for readability, this version
will decode Huawei vendor unique portions of the structure.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-b
</dt>
<dt class="hdlist1">
--raw-binary
</dt>
<dd>
<p>
        Print the raw buffer to stdout. Structure is not parsed by
        program. This overrides the vendor specific and human readable options.
</p>
</dd>
<dt class="hdlist1">
-v
</dt>
<dt class="hdlist1">
--vendor-specific
</dt>
<dd>
<p>
        In addition to parsing known fields, this option will dump
        the vendor specific region of the structure in hex with ascii
        interpretation.
</p>
</dd>
<dt class="hdlist1">
-H
</dt>
<dt class="hdlist1">
--human-readable
</dt>
<dd>
<p>
        This option will parse and format many of the bit fields
        into human-readable formats.
</p>
</dd>
<dt class="hdlist1">
-o &lt;fmt&gt;
</dt>
<dt class="hdlist1">
--output-format=&lt;fmt&gt;
</dt>
<dd>
<p>
        Set the reporting format to <em>normal</em>, <em>json</em>, or
        <em>binary</em>. Only one output format can be used at a time.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Has the program interpret the returned buffer and display the known
fields in a human readable format:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme huawei id-ctrl /dev/nvme0</code></pre>
</div></div>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_nvme">NVME</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the nvme-user suite</p></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated
 2025-02-13 00:00:00 UTC
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