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<body class="manpage">
<div id="header">
<h1>
nvme-set-feature(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-set-feature -
Sets an NVMe feature, returns applicable results
</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 set-feature</em> <device> [--namespace-id=<nsid> | -n <nsid>]
[--feature-id=<fid> | -f <fid>] [--value=<value> | -v <value>]
[--data-len=<data-len> | -l <data-len>]
[--data=<data-file> | -d <data-file>]
[--save| -s]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Submits an NVMe Set Feature admin command and returns the applicable
results. This may be the feature’s value, or may also include a feature
structure if the feature requires it (ex: LBA Range Type).</p></div>
<div class="paragraph"><p>The <device> 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>On success, the value sent to the device is displayed</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-n <nsid>
</dt>
<dt class="hdlist1">
--namespace-id=<nsid>
</dt>
<dd>
<p>
Sets the feature for the given nsid. This is optional and
most features do not use this value.
</p>
</dd>
<dt class="hdlist1">
-f <fid>
</dt>
<dt class="hdlist1">
--feature-id=<fid>
</dt>
<dd>
<p>
The feature id to send with the command. Value provided should
be in hex.
</p>
</dd>
<dt class="hdlist1">
-l <data-len>
</dt>
<dt class="hdlist1">
--data-len=<data-len>
</dt>
<dd>
<p>
The data length for the buffer submitted for this feature. Most
known features do not use this value. The exceptions are LBA
Range Type and host identifier.
</p>
</dd>
<dt class="hdlist1">
-d <data-file>
</dt>
<dt class="hdlist1">
--data=<data-file>
</dt>
<dd>
<p>
The data file for the buffer submitted for this feature. Most
known features do not use this value. The exceptions is LBA
Range Type and host identifier. This defaults to STDIN so files
and echo can be piped.
</p>
</dd>
<dt class="hdlist1">
-v <value>
</dt>
<dt class="hdlist1">
--value=<value>
</dt>
<dd>
<p>
The value for command dword 11, the value you want to set the
feature to.
</p>
</dd>
<dt class="hdlist1">
-s
</dt>
<dt class="hdlist1">
--save
</dt>
<dd>
<p>
Save the attribute so that it persists through all power states and resets.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Sets the Power State (PS) to 1 in feature id 2:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme set-feature /dev/nvme0 -f 2 /dev/nvme0n1 -v 0x1</code></pre>
</div></div>
</li>
<li>
<p>
Sets the host id to the ascii string.
</p>
<div class="listingblock">
<div class="content">
<pre><code># echo "abcdefgh" | nvme set-feature /dev/nvme0 -f 0x81 -l 8</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 2017-02-27 10:11:58 EST
</div>
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