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<body class="manpage">
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<h1>
nvme-get-property(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-get-property -
   Reads and shows the defined NVMe controller property for NVMe over Fabric
</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 get-property</em> &lt;device&gt; [--offset=&lt;offset&gt; | -O &lt;offset&gt;]
                        [--human-readable | -H]
                        [--output-format=&lt;fmt&gt; | -o &lt;fmt&gt;] [--verbose | -v]
                        [--timeout=&lt;timeout&gt; | -t &lt;timeout&gt;]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Reads and shows the defined NVMe controller property for NVMe over Fabric.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-O &lt;offset&gt;
</dt>
<dt class="hdlist1">
--offset=&lt;offset&gt;
</dt>
<dd>
<p>
        The offset of the property. One of CAP=0x0, VS=0x8, CC=0x14, CSTS=0x1c, NSSR=0x20
</p>
</dd>
<dt class="hdlist1">
-H
</dt>
<dd>
<p>
--human-readable:
        Show the fields packed in the property
</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>
<dt class="hdlist1">
-v
</dt>
<dt class="hdlist1">
--verbose
</dt>
<dd>
<p>
        Increase the information detail in the output.
</p>
</dd>
<dt class="hdlist1">
-t &lt;timeout&gt;
</dt>
<dt class="hdlist1">
--timeout=&lt;timeout&gt;
</dt>
<dd>
<p>
        Override default timeout value. In milliseconds.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
The following will run the get-property command with offset 0
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme get-property /dev/nvme0 --offset=0x0 --human-readable</code></pre>
</div></div>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_bugs">BUGS</h2>
<div class="sectionbody">
<div class="paragraph"><p>Currently the CAP value is truncated to 32 bits due to a limitation in
the ioctl interface.</p></div>
<div class="paragraph"><p>In a recent enough kernel, the 64 bit value is shown in kernel traces.</p></div>
<div class="ulist"><ul>
<li>
<p>
First enable traces by this command
</p>
<div class="listingblock">
<div class="content">
<pre><code># echo 1 &gt; /sys/kernel/debug/tracing/events/nvme/enable</code></pre>
</div></div>
</li>
<li>
<p>
Then look for NVMe Fabrics command (0x7f) at trace
</p>
<div class="listingblock">
<div class="content">
<pre><code>/sys/kernel/debug/tracing/trace</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
 2025-11-19 00:00:00 UTC
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