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  <div class="section" id="opal-nmmu-set-ptcr">
<span id="id1"></span><h1>OPAL_NMMU_SET_PTCR<a class="headerlink" href="#opal-nmmu-set-ptcr" title="Permalink to this headline">¶</a></h1>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#define OPAL_NMMU_SET_PTCR                   127</span>

<span class="n">int64</span> <span class="nf">opal_nmmu_set_ptcr</span><span class="p">(</span><span class="n">uint64</span> <span class="n">chip_id</span><span class="p">,</span> <span class="kt">uint64_t</span> <span class="n">ptcr</span><span class="p">);</span>
</pre></div>
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<dl class="docutils">
<dt><code class="docutils literal notranslate"><span class="pre">uint64</span> <span class="pre">chip_id</span></code></dt>
<dd>either the chip id containing the nest mmu who’s ptcr should be set
or alternatively -1ULL to indicate all nest mmu ptcr’s should be set to
the same value.</dd>
<dt><code class="docutils literal notranslate"><span class="pre">uint64</span> <span class="pre">ptcr</span></code></dt>
<dd>ptcr value pointing to either the radix tables or hash tables.</dd>
</dl>
<p>This OPAL call sets up the Nest MMU by pointing it at the radix page
table base or the hash page table base (HTABORG).</p>
<div class="section" id="return-values">
<h2>Return Values<a class="headerlink" href="#return-values" title="Permalink to this headline">¶</a></h2>
<dl class="docutils">
<dt><a class="reference internal" href="return-codes.html#opal-success"><span class="std std-ref">OPAL_SUCCESS</span></a></dt>
<dd>the PTCR was updated successful</dd>
<dt><a class="reference internal" href="return-codes.html#opal-parameter"><span class="std std-ref">OPAL_PARAMETER</span></a></dt>
<dd>a parameter was incorrect</dd>
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