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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
<meta name="generator" content="AsciiDoc 10.2.0" />
<title>nvme-admin-passthru(1)</title>
<style type="text/css">
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */

/* Default font. */
body {
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/* Title font. */
h1, h2, h3, h4, h5, h6,
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thead, p.table.header,
#toctitle,
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body {
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div.sectionbody {
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hr {
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p {
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ul > li     { color: #aaa; }
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pre {
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div.imageblock, div.exampleblock, div.verseblock,
div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
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div.admonitionblock {
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div.content { /* Block element content. */
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/* Block element titles. */
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div.title + * {
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td div.title:first-child {
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div.content div.title:first-child {
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div.content + div.title {
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div.sidebarblock > div.content {
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div.listingblock > div.content {
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div.verseblock > pre.content {
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div.verseblock > div.attribution {
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/* DEPRECATED: Pre version 8.2.7 verse style literal block. */
div.verseblock + div.attribution {
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div.admonitionblock .icon {
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div.admonitionblock td.content {
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div.exampleblock > div.content {
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}

div.imageblock div.content { padding-left: 0; }
span.image img { border-style: none; vertical-align: text-bottom; }
a.image:visited { color: white; }

dl {
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dt {
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dd > *:first-child {
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ul, ol {
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ol.arabic {
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ol.lowerroman {
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ol.upperroman {
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div.compact ul, div.compact ol,
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tfoot {
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td > div.verse {
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div.hdlist {
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div.hdlist tr {
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dt.hdlist1.strong, td.hdlist1.strong {
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td.hdlist1 {
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td.hdlist2 {
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div.hdlist.compact tr {
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.comment {
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span.footnote, span.footnoteref {
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#footnotes {
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#footnotes div.footnote {
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#footnotes hr {
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div.colist td {
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div.colist td img {
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@media print {
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#toc {
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#toctitle {
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div.toclevel0, div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
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div.toclevel2 {
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div.toclevel3 {
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div.toclevel4 {
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span.black { color: black; }
span.blue { color: blue; }
span.fuchsia { color: fuchsia; }
span.gray { color: gray; }
span.green { color: green; }
span.lime { color: lime; }
span.maroon { color: maroon; }
span.navy { color: navy; }
span.olive { color: olive; }
span.purple { color: purple; }
span.red { color: red; }
span.silver { color: silver; }
span.teal { color: teal; }
span.white { color: white; }
span.yellow { color: yellow; }

span.aqua-background { background: aqua; }
span.black-background { background: black; }
span.blue-background { background: blue; }
span.fuchsia-background { background: fuchsia; }
span.gray-background { background: gray; }
span.green-background { background: green; }
span.lime-background { background: lime; }
span.maroon-background { background: maroon; }
span.navy-background { background: navy; }
span.olive-background { background: olive; }
span.purple-background { background: purple; }
span.red-background { background: red; }
span.silver-background { background: silver; }
span.teal-background { background: teal; }
span.white-background { background: white; }
span.yellow-background { background: yellow; }

span.big { font-size: 2em; }
span.small { font-size: 0.6em; }

span.underline { text-decoration: underline; }
span.overline { text-decoration: overline; }
span.line-through { text-decoration: line-through; }

div.unbreakable { page-break-inside: avoid; }


/*
 * xhtml11 specific
 *
 * */

div.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
div.tableblock > table {
  border: 3px solid #527bbd;
}
thead, p.table.header {
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  color: #527bbd;
}
p.table {
  margin-top: 0;
}
/* Because the table frame attribute is overridden by CSS in most browsers. */
div.tableblock > table[frame="void"] {
  border-style: none;
}
div.tableblock > table[frame="hsides"] {
  border-left-style: none;
  border-right-style: none;
}
div.tableblock > table[frame="vsides"] {
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  border-bottom-style: none;
}


/*
 * html5 specific
 *
 * */

table.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
thead, p.tableblock.header {
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p.tableblock {
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table.tableblock {
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th.tableblock, td.tableblock {
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table.tableblock.frame-topbot {
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table.tableblock.frame-sides {
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}
table.tableblock.frame-none {
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th.tableblock.halign-left, td.tableblock.halign-left {
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th.tableblock.halign-center, td.tableblock.halign-center {
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th.tableblock.halign-right, td.tableblock.halign-right {
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th.tableblock.valign-top, td.tableblock.valign-top {
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th.tableblock.valign-middle, td.tableblock.valign-middle {
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th.tableblock.valign-bottom, td.tableblock.valign-bottom {
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}


/*
 * manpage specific
 *
 * */

body.manpage h1 {
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  border-top: 2px solid silver;
  border-bottom: 2px solid silver;
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body.manpage h2 {
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}
body.manpage div.sectionbody {
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}

@media print {
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}


</style>
<script type="text/javascript">
/*<![CDATA[*/
var asciidoc = {  // Namespace.

/////////////////////////////////////////////////////////////////////
// Table Of Contents generator
/////////////////////////////////////////////////////////////////////

/* Author: Mihai Bazon, September 2002
 * http://students.infoiasi.ro/~mishoo
 *
 * Table Of Content generator
 * Version: 0.4
 *
 * Feel free to use this script under the terms of the GNU General Public
 * License, as long as you do not remove or alter this notice.
 */

 /* modified by Troy D. Hanson, September 2006. License: GPL */
 /* modified by Stuart Rackham, 2006, 2009. License: GPL */

// toclevels = 1..4.
toc: function (toclevels) {

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    // nodeIterator API would be a better technique but not supported by all
    // browsers).
    var iterate = function (el) {
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<body class="manpage">
<div id="header">
<h1>
nvme-admin-passthru(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-admin-passthru -
   Submit an arbitrary admin command, return 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-admin-passthru</em> &lt;device&gt; [--opcode=&lt;opcode&gt; | -O &lt;opcode&gt;]
                        [--flags=&lt;flags&gt; | -f &lt;flags&gt;] [-rsvd=&lt;rsvd&gt; | -R &lt;rsvd&gt;]
                        [--namespace-id=&lt;nsid&gt; | -n &lt;nsid&gt;] [--cdw2=&lt;cdw2&gt; | -2 &lt;cdw2&gt;]
                        [--cdw3=&lt;cdw3&gt; | -3 &lt;cdw3&gt;] [--cdw10=&lt;cdw10&gt; | -4 &lt;cdw4&gt;]
                        [--cdw11=&lt;cdw11&gt; | -5 &lt;cdw5&gt;] [--cdw12=&lt;cdw12&gt; | -6 &lt;cdw6&gt;]
                        [--cdw13=&lt;cdw13&gt; | -7 &lt;cdw7&gt;] [--cdw14=&lt;cdw14&gt; | -8 &lt;cdw8&gt;]
                        [--cdw15=&lt;cdw15&gt; | -9 &lt;cdw9&gt;]
                        [--data-len=&lt;data-len&gt; | -l &lt;data-len&gt;]
                        [--metadata-len=&lt;len&gt; | -m &lt;len&gt;]
                        [--input-file=&lt;file&gt; | -i &lt;file&gt;]
                        [--read | -r] [--write | -w]
                        [--timeout=&lt;to&gt; | -t &lt;to&gt;]
                        [--show-command | -s]
                        [--dry-run | -d]
                        [--raw-binary | -b]
                        [--prefill=&lt;prefill&gt; | -p &lt;prefill&gt;]
                        [--latency | -T]
                        [--output-format=&lt;fmt&gt; | -o &lt;fmt&gt;] [--verbose | -v]</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 arbitrary NVMe admin command and returns the applicable
results. This may be the simply the commands result and status, or may
also include a buffer if the command returns one. This command does no
interpretation of the opcodes or options.</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 structure (if applicable) may be returned in
one of several ways depending on the option flags; the structure may
printed by the program as a hex dump, or may be returned as a raw buffer
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">
-O &lt;opcode&gt;
</dt>
<dt class="hdlist1">
--opcode=&lt;opcode&gt;
</dt>
<dd>
<p>
        The NVMe opcode to send to the device in the command
</p>
</dd>
<dt class="hdlist1">
-f &lt;flags&gt;
</dt>
<dt class="hdlist1">
--flags=&lt;flags&gt;
</dt>
<dd>
<p>
        The NVMe command flags to send to the device in the command
</p>
</dd>
<dt class="hdlist1">
-R &lt;rsvd&gt;
</dt>
<dt class="hdlist1">
--rsvd=&lt;rsvd&gt;
</dt>
<dd>
<p>
        The value for the reserved field in the command.
</p>
</dd>
<dt class="hdlist1">
-n &lt;nsid&gt;
</dt>
<dt class="hdlist1">
--namespace-id=&lt;nsid&gt;
</dt>
<dd>
<p>
        The value for the ns-id in the command.
</p>
</dd>
<dt class="hdlist1">
-[2-9] &lt;cdw&gt;
</dt>
<dt class="hdlist1">
--cdw[2-3,10-15]=&lt;cdw&gt;
</dt>
<dd>
<p>
        Specifies the command dword value for that specified entry in
        the command
</p>
</dd>
<dt class="hdlist1">
-r
</dt>
<dt class="hdlist1">
--read
</dt>
<dt class="hdlist1">
-w
</dt>
<dt class="hdlist1">
--write
</dt>
<dd>
<p>
        Used for the data-direction for the command and required for
        commands sending/receiving data. Don&#8217;t use both read and write
        at the same time.
</p>
</dd>
<dt class="hdlist1">
-i &lt;file&gt;
</dt>
<dt class="hdlist1">
--input-file=&lt;file&gt;
</dt>
<dd>
<p>
        If the command is a data-out (write) command, use this file
        to fill the buffer sent to the device. If no file is given,
        assumed to use STDIN.
</p>
</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 used for this command.
</p>
</dd>
<dt class="hdlist1">
-m &lt;data-len&gt;
</dt>
<dt class="hdlist1">
--metadata-len=&lt;data-len&gt;
</dt>
<dd>
<p>
        The metadata length for the buffer used for this command.
</p>
</dd>
<dt class="hdlist1">
-s
</dt>
<dt class="hdlist1">
--show-cmd
</dt>
<dd>
<p>
        Print out the command to be sent.
</p>
</dd>
<dt class="hdlist1">
-d
</dt>
<dt class="hdlist1">
--dry-run
</dt>
<dd>
<p>
        Do not actually send the command. If want to use --dry-run option,
        --show-cmd option <em>must</em> be set. Otherwise --dry-run option will be
        <em>ignored</em>.
</p>
</dd>
<dt class="hdlist1">
-b
</dt>
<dt class="hdlist1">
--raw-binary
</dt>
<dd>
<p>
        Print the raw returned buffer to stdout if the command returns
        a structure.
</p>
</dd>
<dt class="hdlist1">
-p
</dt>
<dt class="hdlist1">
--prefill
</dt>
<dd>
<p>
        Prefill the buffer with a predetermined byte value. Defaults to 0.
        This may be useful if the data you are writing is shorter
        than the required buffer, and you need to pad it with a known
        value. It may also be useful if you need to confirm if a device
        is overwriting a buffer for a data-in command.
</p>
</dd>
<dt class="hdlist1">
-T
</dt>
<dt class="hdlist1">
--latency
</dt>
<dd>
<p>
        Print out the latency the IOCTL took (in us).
</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>
</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 admin command with opcode=6 and cdw10=1, which
 corresponds to an identify controller command. This example requires the
 data-len param be 4096, which is the size of the returned structure. The -r
 option is used because it is a data-in command
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme admin-passthru /dev/nvme0 --opcode=06 --data-len=4096 --cdw10=1 -r</code></pre>
</div></div>
</li>
<li>
<p>
Or if you want to save that structure to a file:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme admin-passthru /dev/nvme0 --opcode=06 --data-len=4096 --cdw10=1 -r -b &gt; id_ns.raw</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
 2023-12-21 15:49:29 CET
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