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+          <div class="body" role="main">
+            
+  <div class="section" id="interrupts">
+<h1>Interrupts<a class="headerlink" href="#interrupts" title="Permalink to this headline">¶</a></h1>
+<p>API for registering and manipulating interrupts. </p>
+<div class="breathe-sectiondef docutils container">
+<p class="breathe-sectiondef-title rubric">Typedefs</p>
+<dl class="type">
+<dt id="_CPPv317metal_vector_mode">
+<span id="_CPPv217metal_vector_mode"></span><span id="metal_vector_mode"></span><span class="target" id="interrupt_8h_1a12da577bb3179597221662c5589561b3"></span><em class="property">typedef </em><em class="property">enum</em> <a class="reference internal" href="#_CPPv318metal_vector_mode_" title="metal_vector_mode_">metal_vector_mode_</a> <code class="descname">metal_vector_mode</code><a class="headerlink" href="#_CPPv317metal_vector_mode" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Possible mode of interrupts to operate. </p>
+</dd></dl>
+
+<dl class="type">
+<dt id="_CPPv325metal_interrupt_handler_t">
+<span id="_CPPv225metal_interrupt_handler_t"></span><span id="metal_interrupt_handler_t"></span><span class="target" id="interrupt_8h_1acf581f8608907e67e50300eef23a130b"></span><em class="property">typedef </em>void (*<code class="descname">metal_interrupt_handler_t</code>)<span class="sig-paren">(</span>int, void *<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv325metal_interrupt_handler_t" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Function signature for interrupt callback handlers. </p>
+</dd></dl>
+
+</div>
+<div class="breathe-sectiondef docutils container">
+<p class="breathe-sectiondef-title rubric">Enums</p>
+<dl class="type">
+<dt id="_CPPv318metal_vector_mode_">
+<span id="_CPPv218metal_vector_mode_"></span><span id="metal_vector_mode_"></span><span class="target" id="interrupt_8h_1ac60eddab23447dc04711785118af2728"></span><em class="property">enum </em><code class="descname">metal_vector_mode_</code><a class="headerlink" href="#_CPPv318metal_vector_mode_" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Possible mode of interrupts to operate. </p>
+<p><em>Values:</em></p>
+<dl class="enumerator">
+<dt id="_CPPv317METAL_DIRECT_MODE">
+<span id="_CPPv217METAL_DIRECT_MODE"></span><span class="target" id="interrupt_8h_1ac60eddab23447dc04711785118af2728ad924f2ea83b99b7d5be2e042e88c6dbd"></span><code class="descname">METAL_DIRECT_MODE</code> = 0<a class="headerlink" href="#_CPPv317METAL_DIRECT_MODE" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="enumerator">
+<dt id="_CPPv317METAL_VECTOR_MODE">
+<span id="_CPPv217METAL_VECTOR_MODE"></span><span class="target" id="interrupt_8h_1ac60eddab23447dc04711785118af2728a4287274b1ef3c4a1a5b40ee32740e522"></span><code class="descname">METAL_VECTOR_MODE</code> = 1<a class="headerlink" href="#_CPPv317METAL_VECTOR_MODE" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="enumerator">
+<dt id="_CPPv327METAL_SELECTIVE_VECTOR_MODE">
+<span id="_CPPv227METAL_SELECTIVE_VECTOR_MODE"></span><span class="target" id="interrupt_8h_1ac60eddab23447dc04711785118af2728a2a0f324727404e6d792bb629b532388e"></span><code class="descname">METAL_SELECTIVE_VECTOR_MODE</code> = 2<a class="headerlink" href="#_CPPv327METAL_SELECTIVE_VECTOR_MODE" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+<dl class="enumerator">
+<dt id="_CPPv326METAL_HARDWARE_VECTOR_MODE">
+<span id="_CPPv226METAL_HARDWARE_VECTOR_MODE"></span><span class="target" id="interrupt_8h_1ac60eddab23447dc04711785118af2728a4d512f09eb589d9ffd8444706569f9e1"></span><code class="descname">METAL_HARDWARE_VECTOR_MODE</code> = 3<a class="headerlink" href="#_CPPv326METAL_HARDWARE_VECTOR_MODE" title="Permalink to this definition">¶</a><br /></dt>
+<dd></dd></dl>
+
+</dd></dl>
+
+</div>
+<div class="breathe-sectiondef docutils container">
+<p class="breathe-sectiondef-title rubric">Functions</p>
+<dl class="function">
+<dt id="_CPPv320metal_interrupt_initP15metal_interrupt">
+<span id="_CPPv220metal_interrupt_initP15metal_interrupt"></span><span id="metal_interrupt_init__metal_interruptP"></span><span class="target" id="interrupt_8h_1a8bb69d1c3f0a58fbbe9f849c2dd5d0f6"></span>void <code class="descname">metal_interrupt_init</code><span class="sig-paren">(</span><em class="property">struct</em> <a class="reference internal" href="#_CPPv315metal_interrupt" title="metal_interrupt">metal_interrupt</a> *<em>controller</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv320metal_interrupt_initP15metal_interrupt" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Initialize a given interrupt controller. </p>
+<p>Initialize a given interrupt controller. This function must be called before any interrupts are registered or enabled with the handler. It is invalid to initialize an interrupt controller more than once.</p>
+<p><dl class="docutils">
+<dt><strong>Parameters</strong></dt>
+<dd><ul class="breatheparameterlist first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">controller</span></code>: The handle for the interrupt controller </li>
+</ul>
+</dd>
+</dl>
+</p>
+</dd></dl>
+
+<dl class="function">
+<dt id="_CPPv332metal_interrupt_register_handlerP15metal_interrupti25metal_interrupt_handler_tPv">
+<span id="_CPPv232metal_interrupt_register_handlerP15metal_interrupti25metal_interrupt_handler_tPv"></span><span id="metal_interrupt_register_handler__metal_interruptP.i.metal_interrupt_handler_t.voidP"></span><span class="target" id="interrupt_8h_1a308bebb1f3baa79e140f62ed5c15637a"></span>int <code class="descname">metal_interrupt_register_handler</code><span class="sig-paren">(</span><em class="property">struct</em> <a class="reference internal" href="#_CPPv315metal_interrupt" title="metal_interrupt">metal_interrupt</a> *<em>controller</em>, int <em>id</em>, <a class="reference internal" href="#_CPPv325metal_interrupt_handler_t" title="metal_interrupt_handler_t">metal_interrupt_handler_t</a> <em>handler</em>, void *<em>priv_data</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv332metal_interrupt_register_handlerP15metal_interrupti25metal_interrupt_handler_tPv" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Register an interrupt handler. </p>
+<p><dl class="docutils">
+<dt><strong>Return</strong></dt>
+<dd>0 upon success </dd>
+<dt><strong>Parameters</strong></dt>
+<dd><ul class="breatheparameterlist first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">controller</span></code>: The handle for the interrupt controller </li>
+<li><code class="docutils literal notranslate"><span class="pre">id</span></code>: The interrupt ID to register </li>
+<li><code class="docutils literal notranslate"><span class="pre">handler</span></code>: The interrupt handler callback </li>
+<li><code class="docutils literal notranslate"><span class="pre">priv_data</span></code>: Private data for the interrupt handler </li>
+</ul>
+</dd>
+</dl>
+</p>
+</dd></dl>
+
+<dl class="function">
+<dt id="_CPPv322metal_interrupt_enableP15metal_interrupti">
+<span id="_CPPv222metal_interrupt_enableP15metal_interrupti"></span><span id="metal_interrupt_enable__metal_interruptP.i"></span><span class="target" id="interrupt_8h_1a783a6d5804e097dad0a4434a058e45de"></span>int <code class="descname">metal_interrupt_enable</code><span class="sig-paren">(</span><em class="property">struct</em> <a class="reference internal" href="#_CPPv315metal_interrupt" title="metal_interrupt">metal_interrupt</a> *<em>controller</em>, int <em>id</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv322metal_interrupt_enableP15metal_interrupti" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Enable an interrupt. </p>
+<p><dl class="docutils">
+<dt><strong>Return</strong></dt>
+<dd>0 upon success </dd>
+<dt><strong>Parameters</strong></dt>
+<dd><ul class="breatheparameterlist first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">controller</span></code>: The handle for the interrupt controller </li>
+<li><code class="docutils literal notranslate"><span class="pre">id</span></code>: The interrupt ID to enable </li>
+</ul>
+</dd>
+</dl>
+</p>
+</dd></dl>
+
+<dl class="function">
+<dt id="_CPPv323metal_interrupt_disableP15metal_interrupti">
+<span id="_CPPv223metal_interrupt_disableP15metal_interrupti"></span><span id="metal_interrupt_disable__metal_interruptP.i"></span><span class="target" id="interrupt_8h_1a3f1ed02d57dd231db5c92945e0a347e8"></span>int <code class="descname">metal_interrupt_disable</code><span class="sig-paren">(</span><em class="property">struct</em> <a class="reference internal" href="#_CPPv315metal_interrupt" title="metal_interrupt">metal_interrupt</a> *<em>controller</em>, int <em>id</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv323metal_interrupt_disableP15metal_interrupti" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Disable an interrupt. </p>
+<p><dl class="docutils">
+<dt><strong>Return</strong></dt>
+<dd>0 upon success </dd>
+<dt><strong>Parameters</strong></dt>
+<dd><ul class="breatheparameterlist first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">controller</span></code>: The handle for the interrupt controller </li>
+<li><code class="docutils literal notranslate"><span class="pre">id</span></code>: The interrupt ID to disable </li>
+</ul>
+</dd>
+</dl>
+</p>
+</dd></dl>
+
+<dl class="function">
+<dt id="_CPPv329metal_interrupt_vector_enableP15metal_interrupti17metal_vector_mode">
+<span id="_CPPv229metal_interrupt_vector_enableP15metal_interrupti17metal_vector_mode"></span><span id="metal_interrupt_vector_enable__metal_interruptP.i.metal_vector_mode"></span><span class="target" id="interrupt_8h_1a2535af198e205b152e6794ac9fe9c41c"></span>int <code class="descname">metal_interrupt_vector_enable</code><span class="sig-paren">(</span><em class="property">struct</em> <a class="reference internal" href="#_CPPv315metal_interrupt" title="metal_interrupt">metal_interrupt</a> *<em>controller</em>, int <em>id</em>, <a class="reference internal" href="#_CPPv317metal_vector_mode" title="metal_vector_mode">metal_vector_mode</a> <em>mode</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv329metal_interrupt_vector_enableP15metal_interrupti17metal_vector_mode" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Enable an interrupt vector. </p>
+<p><dl class="docutils">
+<dt><strong>Return</strong></dt>
+<dd>0 upon success </dd>
+<dt><strong>Parameters</strong></dt>
+<dd><ul class="breatheparameterlist first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">controller</span></code>: The handle for the interrupt controller </li>
+<li><code class="docutils literal notranslate"><span class="pre">id</span></code>: The interrupt ID to enable </li>
+<li><code class="docutils literal notranslate"><span class="pre">mode</span></code>: The interrupt mode type to enable </li>
+</ul>
+</dd>
+</dl>
+</p>
+</dd></dl>
+
+<dl class="function">
+<dt id="_CPPv330metal_interrupt_vector_disableP15metal_interrupti">
+<span id="_CPPv230metal_interrupt_vector_disableP15metal_interrupti"></span><span id="metal_interrupt_vector_disable__metal_interruptP.i"></span><span class="target" id="interrupt_8h_1ac1c55fc3389c5c83b7488dde8f4c863b"></span>int <code class="descname">metal_interrupt_vector_disable</code><span class="sig-paren">(</span><em class="property">struct</em> <a class="reference internal" href="#_CPPv315metal_interrupt" title="metal_interrupt">metal_interrupt</a> *<em>controller</em>, int <em>id</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv330metal_interrupt_vector_disableP15metal_interrupti" title="Permalink to this definition">¶</a><br /></dt>
+<dd><p>Disable an interrupt vector. </p>
+<p><dl class="docutils">
+<dt><strong>Return</strong></dt>
+<dd>0 upon success </dd>
+<dt><strong>Parameters</strong></dt>
+<dd><ul class="breatheparameterlist first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">controller</span></code>: The handle for the interrupt controller </li>
+<li><code class="docutils literal notranslate"><span class="pre">id</span></code>: The interrupt ID to disable </li>
+</ul>
+</dd>
+</dl>
+</p>
+</dd></dl>
+
+</div>
+<dl class="class">
+<dt id="_CPPv315metal_interrupt">
+<span id="_CPPv215metal_interrupt"></span><span id="metal_interrupt"></span><span class="target" id="structmetal__interrupt"></span><em class="property">struct </em><code class="descname">metal_interrupt</code><a class="headerlink" href="#_CPPv315metal_interrupt" title="Permalink to this definition">¶</a><br /></dt>
+<dd><em>#include &lt;interrupt.h&gt;</em><p>A handle for an interrupt. </p>
+</dd></dl>
+
+</div>
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