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<section id="opal-pci-reset">
<span id="id1"></span><h1>OPAL_PCI_RESET<a class="headerlink" href="#opal-pci-reset" title="Permalink to this headline">¶</a></h1>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#define OPAL_PCI_RESET 49</span>
<span class="k">enum</span><span class="w"> </span><span class="n">OpalPciResetScope</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_RESET_PHB_COMPLETE</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_RESET_PCI_LINK</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">,</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_RESET_PHB_ERROR</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">3</span><span class="p">,</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_RESET_PCI_HOT</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">4</span><span class="p">,</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_RESET_PCI_FUNDAMENTAL</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">5</span><span class="p">,</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_RESET_PCI_IODA_TABLE</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">6</span><span class="w"></span>
<span class="p">};</span><span class="w"></span>
<span class="k">enum</span><span class="w"> </span><span class="n">OpalPciResetState</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_DEASSERT_RESET</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"></span>
<span class="w"> </span><span class="n">OPAL_ASSERT_RESET</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="w"></span>
<span class="p">};</span><span class="w"></span>
<span class="kt">int64_t</span><span class="w"> </span><span class="nf">opal_pci_reset</span><span class="p">(</span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">id</span><span class="p">,</span><span class="w"> </span><span class="kt">uint8_t</span><span class="w"> </span><span class="n">reset_scope</span><span class="p">,</span><span class="w"> </span><span class="kt">uint8_t</span><span class="w"> </span><span class="n">assert_state</span><span class="p">);</span><span class="w"></span>
</pre></div>
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<p>Kick off the requested PCI reset operation. This starts a state machine off to
perform the requested operation. This call will return how many milliseconds to
wait before calling back into <a class="reference internal" href="opal-pci-poll-62.html#opal-pci-poll"><span class="std std-ref">OPAL_PCI_POLL</span></a>. An OS can
call <a class="reference internal" href="opal-pci-poll-62.html#opal-pci-poll"><span class="std std-ref">OPAL_PCI_POLL</span></a> earlier, but it is unlikely any progress will have
been made.</p>
<section id="returns">
<h2>Returns<a class="headerlink" href="#returns" title="Permalink to this headline">¶</a></h2>
<dl class="simple">
<dt><a class="reference internal" href="return-codes.html#opal-parameter"><span class="std std-ref">OPAL_PARAMETER</span></a></dt><dd><p>Invalid <code class="docutils literal notranslate"><span class="pre">id</span></code>, <code class="docutils literal notranslate"><span class="pre">reset_scope</span></code>, or <code class="docutils literal notranslate"><span class="pre">assert_state</span></code>.</p>
</dd>
<dt><a class="reference internal" href="return-codes.html#opal-unsupported"><span class="std std-ref">OPAL_UNSUPPORTED</span></a></dt><dd><p>Operation is unsupported on <code class="docutils literal notranslate"><span class="pre">id</span></code>.</p>
</dd>
<dt>value > 0</dt><dd><p>How many ms to wait for the state machine to crank.
Call <a class="reference internal" href="opal-pci-poll-62.html#opal-pci-poll"><span class="std std-ref">OPAL_PCI_POLL</span></a> to crank the state machine further.</p>
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