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| <section id="opal-pci-get-pbcq-tunnel-bar"> |
| <span id="id1"></span><h1>OPAL_PCI_GET_PBCQ_TUNNEL_BAR<a class="headerlink" href="#opal-pci-get-pbcq-tunnel-bar" title="Link to this heading">¶</a></h1> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#define OPAL_PCI_GET_PBCQ_TUNNEL_BAR 164</span> |
| |
| <span class="kt">int64_t</span><span class="w"> </span><span class="nf">opal_pci_get_pbcq_tunnel_bar</span><span class="p">(</span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">phb_id</span><span class="p">,</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="o">*</span><span class="n">addr</span><span class="p">);</span> |
| </pre></div> |
| </div> |
| <p>The host calls this function to read the address out of the PBCQ Tunnel |
| Bar register.</p> |
| <section id="parameters"> |
| <h2>Parameters<a class="headerlink" href="#parameters" title="Link to this heading">¶</a></h2> |
| <dl class="simple"> |
| <dt><code class="docutils literal notranslate"><span class="pre">phb_id</span></code></dt><dd><p>The value from the PHB node ibm,opal-phbid property for the device.</p> |
| </dd> |
| <dt><code class="docutils literal notranslate"><span class="pre">addr</span></code></dt><dd><p>A pointer to where the address stored in the PBCQ Tunnel Bar register |
| will be copied.</p> |
| </dd> |
| </dl> |
| </section> |
| <section id="return-values"> |
| <h2>Return Values<a class="headerlink" href="#return-values" title="Link to this heading">¶</a></h2> |
| <dl class="simple"> |
| <dt><a class="reference internal" href="return-codes.html#opal-success"><span class="std std-ref">OPAL_SUCCESS</span></a></dt><dd><p>Operation was successful</p> |
| </dd> |
| <dt><a class="reference internal" href="return-codes.html#opal-parameter"><span class="std std-ref">OPAL_PARAMETER</span></a></dt><dd><p>Invalid PHB or addr parameter</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>Not supported by hardware</p> |
| </dd> |
| </dl> |
| </section> |
| </section> |
| <section id="opal-pci-set-pbcq-tunnel-bar"> |
| <span id="id2"></span><h1>OPAL_PCI_SET_PBCQ_TUNNEL_BAR<a class="headerlink" href="#opal-pci-set-pbcq-tunnel-bar" title="Link to this heading">¶</a></h1> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#define OPAL_PCI_SET_PBCQ_TUNNEL_BAR 165</span> |
| |
| <span class="kt">int64_t</span><span class="w"> </span><span class="nf">opal_pci_set_pbcq_tunnel_bar</span><span class="p">(</span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">phb_id</span><span class="p">,</span><span class="w"> </span><span class="kt">uint64_t</span><span class="w"> </span><span class="n">addr</span><span class="p">);</span> |
| </pre></div> |
| </div> |
| <p>The host calls this function to set the PBCQ Tunnel Bar register.</p> |
| <section id="id3"> |
| <h2>Parameters<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h2> |
| <dl> |
| <dt><cite>phb_id</cite></dt><dd><p>The value from the PHB node ibm,opal-phbid property for the device.</p> |
| </dd> |
| <dt><cite>addr</cite></dt><dd><p>The value of the address chosen for the PBCQ Tunnel Bar register. |
| If the address is 0, then the PBCQ Tunnel Bar register will be reset. |
| It the address is non-zero, then the PBCQ Tunnel Bar register will be |
| set with</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Bit</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="mi">42</span><span class="p">]</span> <span class="n">Bit</span><span class="p">[</span><span class="mi">8</span><span class="p">:</span><span class="mi">50</span><span class="p">]</span> <span class="n">of</span> <span class="n">the</span> <span class="n">address</span> |
| </pre></div> |
| </div> |
| </dd> |
| </dl> |
| </section> |
| <section id="id4"> |
| <h2>Return Values<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h2> |
| <dl class="simple"> |
| <dt><a class="reference internal" href="return-codes.html#opal-success"><span class="std std-ref">OPAL_SUCCESS</span></a></dt><dd><p>Operation was successful</p> |
| </dd> |
| <dt><a class="reference internal" href="return-codes.html#opal-parameter"><span class="std std-ref">OPAL_PARAMETER</span></a></dt><dd><p>Invalid PHB or addr parameter</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>Not supported by hardware</p> |
| </dd> |
| </dl> |
| </section> |
| </section> |
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| <h3><a href="../index.html">Table of Contents</a></h3> |
| <ul> |
| <li><a class="reference internal" href="#">OPAL_PCI_GET_PBCQ_TUNNEL_BAR</a><ul> |
| <li><a class="reference internal" href="#parameters">Parameters</a></li> |
| <li><a class="reference internal" href="#return-values">Return Values</a></li> |
| </ul> |
| </li> |
| <li><a class="reference internal" href="#opal-pci-set-pbcq-tunnel-bar">OPAL_PCI_SET_PBCQ_TUNNEL_BAR</a><ul> |
| <li><a class="reference internal" href="#id3">Parameters</a></li> |
| <li><a class="reference internal" href="#id4">Return Values</a></li> |
| </ul> |
| </li> |
| </ul> |
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| <p class="topless"><a href="opal-pci-get-presence-state-119.html" |
| title="previous chapter">OPAL_PCI_GET_PRESENCE_STATE</a></p> |
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