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<body class="manpage">
<div id="header">
<h1>
nvme-dir-receive(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-dir-receive -
   Send a directive receive command, 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 dir-receive</em> &lt;device&gt; [--namespace-id=&lt;nsid&gt; | -n &lt;nsid&gt;]
                        [--data-len=&lt;data-len&gt; | -l &lt;data-len&gt;]
                        [--dir-type=&lt;dtype&gt; | -D &lt;dtype&gt;]
                        [--dir-spec=&lt;dspec&gt; | -S &lt;dspec&gt;]
                        [--dir-oper=&lt;doper&gt; | -O &lt;doper&gt;]
                        [--req-resource=&lt;nsr&gt; | -r &lt;nsr&gt;]
                        [--human-readable | -H] [--raw-binary | -b]
                        [--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>Submits an NVMe Directive Receive admin command and returns the applicable
results. This may be the combination of directive type, and operation, as
well as number of requested resource if specific operation needs it.</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>On success, the returned directive&#8217;s parameter structure (if applicable) is
returned in one of several ways depending on the option flags; the
structure may parsed by the program and printed in a readable format
if it is a known structure, displayed in hex, or the raw buffer may be
printed to stdout for another program to parse.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-n &lt;nsid&gt;
</dt>
<dt class="hdlist1">
--namespace-id=&lt;nsid&gt;
</dt>
<dd>
<p>
        Retrieve the feature for the given nsid. This is optional and
        most features do not use this value.
</p>
</dd>
<dt class="hdlist1">
-D &lt;dtype&gt;
</dt>
<dt class="hdlist1">
--dir-type=&lt;dtype&gt;
</dt>
<dd>
<p>
        Directive type
</p>
</dd>
<dt class="hdlist1">
-S &lt;dspec&gt;
</dt>
<dt class="hdlist1">
--dir-spec=&lt;dspec&gt;
</dt>
<dd>
<p>
        Directive specific
</p>
</dd>
<dt class="hdlist1">
-O &lt;doper&gt;
</dt>
<dt class="hdlist1">
--dir-oper=&lt;doper&gt;
</dt>
<dd>
<p>
        Directive operation
</p>
</dd>
<dt class="hdlist1">
-r &lt;nsr&gt;
</dt>
<dt class="hdlist1">
--req-resource=&lt;nsr&gt;
</dt>
<dd>
<p>
        Directive requested resource count
</p>
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frame="border"
cellspacing="0" cellpadding="4">
<col width="50%" />
<col width="50%" />
<tbody>
<tr>
<td align="left" valign="top"><p class="table">Select</p></td>
<td align="left" valign="top"><p class="table">Description</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">0</p></td>
<td align="left" valign="top"><p class="table">Current</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">1</p></td>
<td align="left" valign="top"><p class="table">Default</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">2</p></td>
<td align="left" valign="top"><p class="table">Saved</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">3</p></td>
<td align="left" valign="top"><p class="table">Supported capabilities</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">4–7</p></td>
<td align="left" valign="top"><p class="table">Reserved</p></td>
</tr>
</tbody>
</table>
</div>
</dd>
<dt class="hdlist1">
-l &lt;data-len&gt;
</dt>
<dt class="hdlist1">
--data-len=&lt;data-len&gt;
</dt>
<dd>
<p>
        The data length for the buffer returned for this feature. Most
        known features do not use this value. The exception is LBA
        Range Type
</p>
</dd>
<dt class="hdlist1">
-b
</dt>
<dt class="hdlist1">
--raw-binary
</dt>
<dd>
<p>
        Print the raw receive buffer to stdout if the command returns
        a structure.
</p>
</dd>
<dt class="hdlist1">
-H
</dt>
<dt class="hdlist1">
--human-readable
</dt>
<dd>
<p>
        Print the decoded receive buffer to stdout if the command returns
        a structure.
</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>
Identify directive type supported :
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme dir-receive /dev/nvme0 --dir-type 0 --dir-oper 1 --human-readable</code></pre>
</div></div>
</li>
<li>
<p>
Get stream directive parameters :
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme dir-receive /dev/nvme0 --dir-type 1 --dir-oper 1 --human-readable</code></pre>
</div></div>
</li>
<li>
<p>
Allocate 3 streams for namespace 1
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme dir-receive /dev/nvme0n1 --dir-type 1 --dir-oper 3 --req-resource 3 --human-readable</code></pre>
</div></div>
</li>
<li>
<p>
Get streams directive status :
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme dir-receive /dev/nvme0 --dir-type 1 --dir-oper 2 --human-readable</code></pre>
</div></div>
<div class="paragraph"><p>It is probably a bad idea to not redirect stdout when using this mode.</p></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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