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+<div id="header">
+<h1>
+nvme-get-log(1) Manual Page
+</h1>
+<h2>NAME</h2>
+<div class="sectionbody">
+<p>nvme-get-log -
+ Retrieves a log page from an NVMe device
+</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-log</em> <device> [--log-id=<log-id> | -i <log-id>]
+ [--log-len=<log-len> | -l <log-len>]
+ [--aen=<aen> | -a <aen>]
+ [--namespace-id=<nsid> | -n <nsid>]
+ [--raw-binary | -b]
+ [--lpo=<offset> | -o <offset>]
+ [--lsp=<field> | -s <field>]
+ [--rae | -r]</pre>
+<div class="attribution">
+</div></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_description">DESCRIPTION</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Retrieves an arbitrary NVMe log page from an NVMe device and provides
+the returned structure.</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 returned log structure may be returned in one of several
+ways depending on the option flags; the structure may be displayed in
+hex by the program 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">
+-l <log-len>
+</dt>
+<dt class="hdlist1">
+--log-len=<log-len>
+</dt>
+<dd>
+<p>
+ Allocates a buffer of <log-len> bytes size and requests this
+ many bytes be returned in the constructed NVMe command. This
+ param is mandatory.
+</p>
+</dd>
+<dt class="hdlist1">
+-i <log-id>
+</dt>
+<dt class="hdlist1">
+--log-id=<log-id>
+</dt>
+<dd>
+<p>
+ Sets the commands requested log-id to <log-id>. Defaults to 0.
+</p>
+</dd>
+<dt class="hdlist1">
+-a <aen>
+</dt>
+<dt class="hdlist1">
+--aen=<aen>
+</dt>
+<dd>
+<p>
+ Convenience field for extracting log information based on an
+ asynchronous event notification result. This will override log-id and
+ log-len, if set.
+</p>
+</dd>
+<dt class="hdlist1">
+-n <nsid>
+</dt>
+<dt class="hdlist1">
+--namespace-id=<nsid>
+</dt>
+<dd>
+<p>
+ Sets the command’s nsid value to the given nsid. Defaults to
+ 0xffffffff if not given. This option may not affect anything
+ depending on the log page, which may or may not be specific to
+ a namespace.
+</p>
+</dd>
+<dt class="hdlist1">
+-b
+</dt>
+<dt class="hdlist1">
+--raw-binary
+</dt>
+<dd>
+<p>
+ Print the raw log buffer to stdout.
+</p>
+</dd>
+<dt class="hdlist1">
+-o <offset>
+</dt>
+<dt class="hdlist1">
+--lpo=<offset>
+</dt>
+<dd>
+<p>
+ The log page offset specifies the location within a log page to start
+ returning data from. It’s Dword-aligned and 64-bits.
+</p>
+</dd>
+<dt class="hdlist1">
+-s <field>
+</dt>
+<dt class="hdlist1">
+--lsp=<field>
+</dt>
+<dd>
+<p>
+ The log specified field of LID.
+</p>
+</dd>
+<dt class="hdlist1">
+-r
+</dt>
+<dt class="hdlist1">
+--rae
+</dt>
+<dd>
+<p>
+ Retain an Asynchronous Event.
+</p>
+</dd>
+</dl></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_examples">EXAMPLES</h2>
+<div class="sectionbody">
+<div class="ulist"><ul>
+<li>
+<p>
+Get 512 bytes from log page 2
+</p>
+<div class="listingblock">
+<div class="content">
+<pre><code># nvme get-log /dev/nvme0 --log-id=2 --log-len=512</code></pre>
+</div></div>
+<div class="paragraph"><p>The above example will get log page 2 (SMART), and request 512
+bytes. On success, the returned log will be dumped in hex and not
+interpreted by the program.</p></div>
+</li>
+<li>
+<p>
+Have the program return the raw log page in binary:
+</p>
+<div class="listingblock">
+<div class="content">
+<pre><code># nvme get-log /dev/nvme0 -log-id=2 --log-len=512 --raw-binary > log_page_2.raw
+# nvme get-log /dev/nvme0 -i 2 -l 512 -b > log_page_2.raw</code></pre>
+</div></div>
+<div class="paragraph"><p>It is not a good 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
+ 2019-09-18 00:00:58 JST
+</div>
+</div>
+</body>
+</html>
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