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<div class="section" id="ibm-opal-diagnostics-device-tree-entries">
<h1>ibm,opal/diagnostics device tree entries<a class="headerlink" href="#ibm-opal-diagnostics-device-tree-entries" title="Permalink to this headline">ΒΆ</a></h1>
<p>The diagnostics node under ibm,opal describes a userspace-to-firmware
interface, supporting the runtime processor recovery diagnostics functions.</p>
<p><strong>Note:</strong> Some systemd init scripts look for the presence of the path
<code class="docutils literal notranslate"><span class="pre">/ibm,opal/diagnostics</span></code> in order to run the opal-prd daemon.</p>
<p>The properties of a prd node are:</p>
<div class="highlight-dts notranslate"><div class="highlight"><pre><span></span><span class="k">/</span> <span class="p">{</span>
<span class="nc">ibm,opal</span> <span class="p">{</span>
<span class="nc">diagnostics</span> <span class="p">{</span>
<span class="nf">compatible</span> <span class="o">=</span> <span class="s">"ibm,opal-prd"</span><span class="p">;</span>
<span class="p">};</span>
<span class="p">};</span>
<span class="p">};</span>
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