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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// vi:ft=cpp: -*- Mode: C++ -*-</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (C) 2024 Kernkonzept GmbH.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * Author(s): Martin Kuettler <martin.kuettler@kernkonzept.com></span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <<a class="code" href="error__helper.html">l4/re/error_helper</a>></span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <l4/sys/cxx/ipc_epiface></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <l4/l4virtio/server/virtio></span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <l4/l4virtio/server/l4virtio></span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <l4/l4virtio/l4virtio></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4virtio.html">L4virtio</a> {</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keyword">namespace </span>Svr {</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Rnd_state, <span class="keyword">typename</span> Epiface = L4virtio::Device></div>
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<div class="foldopen" id="foldopen00033" data-start="{" data-end="};">
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html"> 33</a></span><span class="keyword">class </span>Virtio_rng : <span class="keyword">public</span> L4virtio::Svr::Device,</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">public</span> <a class="code hl_struct" href="structL4_1_1Epiface__t.html">L4::Epiface_t</a><Virtio_rng<Rnd_state>, Epiface></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>{</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">private</span>:</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">enum</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> {</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> Num_request_queues = 1,</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> queue_size = 128,</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> };</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">public</span>:</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">using </span>Random_state = Rnd_state;</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span></div>
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<div class="foldopen" id="foldopen00051" data-start="{" data-end="};">
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng_1_1Host__irq.html"> 51</a></span> <span class="keyword">class </span>Host_irq : <span class="keyword">public</span> <a class="code hl_struct" href="structL4_1_1Irqep__t.html">L4::Irqep_t</a><Host_irq></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">explicit</span> Host_irq(Virtio_rng *rng) : <a class="code hl_struct" href="structL4_1_1Irqep__t.html">L4::Irqep_t<Host_irq></a>(), _rng(rng) {}</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">void</span> handle_irq()</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> {</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> _rng->handle_queue();</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> Virtio_rng *_rng;</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> };</div>
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</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span></div>
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<div class="foldopen" id="foldopen00068" data-start="{" data-end="};">
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng_1_1Request__processor.html"> 68</a></span> <span class="keyword">class </span>Request_processor : <span class="keyword">public</span> <a class="code hl_class" href="classL4virtio_1_1Svr_1_1Request__processor.html">L4virtio::Svr::Request_processor</a></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> {</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">struct </span>Data_buffer : <span class="keyword">public</span> <a class="code hl_struct" href="structL4virtio_1_1Svr_1_1Data__buffer.html">L4virtio::Svr::Data_buffer</a></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> Data_buffer() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// This constructor is called from within start, so make it available.</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> Data_buffer(L4virtio::Svr::Driver_mem_region <span class="keyword">const</span> *r,</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_class" href="classL4virtio_1_1Virtqueue_1_1Desc.html">L4virtio::Svr::Virtqueue::Desc</a> <span class="keyword">const</span> &d,</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_class" href="classL4virtio_1_1Svr_1_1Request__processor.html">L4virtio::Svr::Request_processor</a> <span class="keyword">const</span> *)</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> {</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_variable" href="structL4virtio_1_1Svr_1_1Data__buffer.html#ac58e770774164d220267be04fb97b551">pos</a> = <span class="keyword">static_cast<</span><span class="keywordtype">char</span> *<span class="keyword">></span>(r-><a class="code hl_function" href="classL4virtio_1_1Svr_1_1Driver__mem__region__t.html#af08e01da1fdcbc0f0f4c4d90da5d0469">local</a>(d.<a class="code hl_variable" href="classL4virtio_1_1Virtqueue_1_1Desc.html#a8aad49eded68125ad5e94d0688d09828">addr</a>));</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <a class="code hl_variable" href="structL4virtio_1_1Svr_1_1Data__buffer.html#a4c105bf354d6663f323efeb81c74ebc2">left</a> = d.<a class="code hl_variable" href="classL4virtio_1_1Virtqueue_1_1Desc.html#a55a515e923e62893696c1e6c09ffb62b">len</a>;</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> }</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> };</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> Request_processor(<a class="code hl_class" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *q, Random_state *rnd,</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> Virtio_rng *rng)</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> : _q(q), _rnd(rnd), _rng(rng), _head() {}</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordtype">bool</span> init_queue()</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> {</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">auto</span> r = _q->next_avail();</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(!r))</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> _head = <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Request__processor.html#abcf6a6b8bf80e0d73d45b5eb9e817abd">start</a>(_rng->mem_info(), r, &_req);</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> }</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">void</span> handle_request()</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> {</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">if</span> (!_head)</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">if</span> (!init_queue())</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">for</span> (;;)</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> {</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">auto</span> <span class="keyword">const</span> pos = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<span class="keyword">></span>(_req.pos);</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> _rnd->get_random(_req.left, pos);</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> _q->finish(_head, _rng, _req.left);</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">if</span> (!init_queue())</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_class" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *_q;</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> Random_state *_rnd;</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> Virtio_rng *_rng;</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_class" href="classL4virtio_1_1Svr_1_1Virtqueue_1_1Head__desc.html">L4virtio::Svr::Virtqueue::Head_desc</a> _head;</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> Data_buffer _req;</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> };</div>
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</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> Virtio_rng(Random_state *rnd, <a class="code hl_class" href="classL4_1_1Registry__iface.html">L4::Registry_iface</a> *registry)</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> : <a class="code hl_namespace" href="namespaceL4virtio.html">L4virtio</a>::Svr::Device(&_dev_config),</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> _dev_config(L4VIRTIO_VENDOR_KK, <a class="code hl_enumvalue" href="group__l4virtio__transport.html#ggaa3812d621d81dd6a7101d739153b6c3ba3bd730f13d6c8d5acc01c0be8366c304">L4VIRTIO_ID_RNG</a>, Num_request_queues),</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> _rnd(rnd),</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> _host_irq(this),</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> _request_processor(&_q, rnd, this)</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> {</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Device__t.html#ac13ae09cfc41fad98bd25c2d76bfac63">init_mem_info</a>(2);</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Device__t.html#aedbe988112e98750e5409a8c92358dcf">reset_queue_config</a>(0, queue_size);</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Device__t.html#ab906b4cc61026fd815a8056f07bef10e">setup_queue</a>(&_q, 0, queue_size);</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> registry-><a class="code hl_function" href="classL4_1_1Registry__iface.html#aa3b5572113c3be5ef9c81503fa3e5798">register_irq_obj</a>(&_host_irq);</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> L4virtio::Svr::Dev_config::Features hf;</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> hf.<a class="code hl_function" href="structL4virtio_1_1Svr_1_1Dev__features.html#a0a33e8e5d0b3ef5bf8cfc6e56c7d2d38">ring_indirect_desc</a>() = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> _dev_config.host_features(0) = hf.<a class="code hl_variable" href="structL4virtio_1_1Svr_1_1Dev__features.html#a01bb482bee85fd60f8685ed5a55fde79">raw</a>;</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> _dev_config.set_host_feature(<a class="code hl_enumvalue" href="group__l4virtio__transport.html#gga01d1e713668a8ee48f1e34f428cea8d0ab8ea6c40b0611434c90ffee0bb729342">L4VIRTIO_FEATURE_VERSION_1</a>);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> _dev_config.reset_hdr();</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> notify_queue(<a class="code hl_class" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *)</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> {</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">if</span> (_q.<a class="code hl_function" href="classL4virtio_1_1Virtqueue.html#a2aa2efa2e5f6ee73423ec9beab40232a">no_notify_guest</a>())</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> _dev_config.<a class="code hl_function" href="classL4virtio_1_1Svr_1_1Dev__config.html#a7fb7334fc078f7c26c036ea1f5fbdbf3">add_irq_status</a>(<a class="code hl_enumvalue" href="group__l4virtio__transport.html#ggafc85528edcc3d740233740766f759fdda764bdaf5cff15bd8cd27f402f6e273b2">L4VIRTIO_IRQ_STATUS_VRING</a>);</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <a class="code hl_function" href="namespaceL4Re.html#ae21329b88c6ffc4917048e8d9564ea99">L4Re::chkipc</a>(_notify_guest_irq-><a class="code hl_function" href="structL4_1_1Triggerable.html#a7109ca8b4aeac0169639f973c91a3a6b">trigger</a>(), <span class="stringliteral">"trigger guest irq"</span>);</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">void</span> handle_queue()</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> {</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> _request_processor.handle_request();</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
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<div class="foldopen" id="foldopen00158" data-start="{" data-end="}">
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a3ad8313245b6defbc727240593e7296d"> 158</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a3ad8313245b6defbc727240593e7296d">reset</a>()<span class="keyword"> override</span></div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
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</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
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<div class="foldopen" id="foldopen00162" data-start="{" data-end="}">
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#ae405894e96aae22477549b41b443aa77"> 162</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#ae405894e96aae22477549b41b443aa77">check_queues</a>()<span class="keyword"> override</span></div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
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</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="foldopen" id="foldopen00167" data-start="{" data-end="}">
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a7c5d2a6e7992408600ad9bc61f816ef6"> 167</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a7c5d2a6e7992408600ad9bc61f816ef6">reconfig_queue</a>(<span class="keywordtype">unsigned</span> idx)<span class="keyword"> override</span></div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">if</span> (idx != 0)</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">return</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a226d93ada42b58951cfe40102ae169c8">L4_ERANGE</a>;</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Device__t.html#ab906b4cc61026fd815a8056f07bef10e">setup_queue</a>(&_q, 0, queue_size);</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9aca91ea3bdb5bd82f63784ee66b489d5e">L4_EOK</a>;</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div>
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</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
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<div class="foldopen" id="foldopen00177" data-start="{" data-end="}">
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a0bf66996349738c44e9f93442bd67672"> 177</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a0bf66996349738c44e9f93442bd67672">trigger_driver_config_irq</a>()<span class="keyword"> override</span></div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> _dev_config.add_irq_status(<a class="code hl_enumvalue" href="group__l4virtio__transport.html#ggafc85528edcc3d740233740766f759fdda7e21836e79756a2e357e1cbc2509090d">L4VIRTIO_IRQ_STATUS_CONFIG</a>);</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> _notify_guest_irq->trigger();</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> }</div>
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</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_class" href="classL4_1_1Ipc__svr_1_1Server__iface.html">L4::Ipc_svr::Server_iface</a> *<a class="code hl_function" href="structL4_1_1Epiface.html#a9605834c855375364504bd0f7ae78273">server_iface</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structL4_1_1Epiface.html#a9605834c855375364504bd0f7ae78273">L4::Epiface::server_iface</a>();</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> }</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordtype">long</span> op_set_status(L4virtio::Device::Rights r, <span class="keywordtype">unsigned</span> status)</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> {</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">return</span> L4virtio::Svr::Device::op_set_status(r, status);</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordtype">long</span> op_config_queue(L4virtio::Device::Rights r, <span class="keywordtype">unsigned</span> queue)</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> {</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">return</span> L4virtio::Svr::Device::op_config_queue(r, queue);</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> }</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordtype">long</span> op_device_config(L4virtio::Device::Rights r,</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> L4::Ipc::Cap<L4Re::Dataspace> &config_ds,</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga4087b991c40c0d2fcde9ca331049a4d4">l4_addr_t</a> &ds_offset)</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> {</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">return</span> L4virtio::Svr::Device::op_device_config(r, config_ds, ds_offset);</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> }</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
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<div class="foldopen" id="foldopen00205" data-start="{" data-end="}">
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a75585a1b1799d0d7cfe0a011549b5cfa"> 205</a></span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4::Irq></a> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a75585a1b1799d0d7cfe0a011549b5cfa">device_notify_irq</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceL4.html#ac674c8e32808f504f4fa0aa8e5276e84">L4::cap_cast<L4::Irq></a>(_host_irq.obj_cap());</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
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</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
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<div class="foldopen" id="foldopen00210" data-start="{" data-end="}">
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#af847578335aefd875ff42c903cd3edd4"> 210</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classL4virtio_1_1Svr_1_1Virtio__rng.html#af847578335aefd875ff42c903cd3edd4">register_single_driver_irq</a>()<span class="keyword"> override</span></div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> _notify_guest_irq = <a class="code hl_function" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">L4Re::chkcap</a></div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> (<a class="code hl_function" href="structL4_1_1Epiface.html#a9605834c855375364504bd0f7ae78273">server_iface</a>()-><span class="keyword">template</span> rcv_cap<L4::Irq>(0));</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(<a class="code hl_function" href="structL4_1_1Epiface.html#a9605834c855375364504bd0f7ae78273">server_iface</a>()->realloc_rcv_cap(0));</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> }</div>
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</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="keyword">private</span>:</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> L4virtio::Svr::Dev_config_t<L4virtio::Svr::No_custom_data>_dev_config;</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> Random_state *_rnd;</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <a class="code hl_class" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> _q;</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> Host_irq _host_irq;</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4::Irq></a> _notify_guest_irq;</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_class" href="classL4virtio_1_1Svr_1_1Request__processor.html">Request_processor</a> _request_processor;</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span>};</div>
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</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>} <span class="comment">// namespace Svr</span></div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>} <span class="comment">// namespace L4virtio</span></div>
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<div class="ttc" id="aclassL4_1_1Cap_html"><div class="ttname"><a href="classL4_1_1Cap.html">L4::Cap</a></div><div class="ttdoc">C++ interface for capabilities.</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00223">capability.h:224</a></div></div>
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<div class="ttc" id="aclassL4_1_1Ipc__svr_1_1Server__iface_html"><div class="ttname"><a href="classL4_1_1Ipc__svr_1_1Server__iface.html">L4::Ipc_svr::Server_iface</a></div><div class="ttdoc">Interface for server-loop related functions.</div><div class="ttdef"><b>Definition</b> <a href="ipc__epiface_source.html#l00036">ipc_epiface:37</a></div></div>
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<div class="ttc" id="aclassL4_1_1Registry__iface_html"><div class="ttname"><a href="classL4_1_1Registry__iface.html">L4::Registry_iface</a></div><div class="ttdoc">Abstract interface for object registries.</div><div class="ttdef"><b>Definition</b> <a href="ipc__epiface_source.html#l00322">ipc_epiface:323</a></div></div>
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<div class="ttc" id="aclassL4_1_1Registry__iface_html_aa3b5572113c3be5ef9c81503fa3e5798"><div class="ttname"><a href="classL4_1_1Registry__iface.html#aa3b5572113c3be5ef9c81503fa3e5798">L4::Registry_iface::register_irq_obj</a></div><div class="ttdeci">virtual L4::Cap< L4::Irq > register_irq_obj(L4::Epiface *o)=0</div><div class="ttdoc">Register o as server-side object for asynchronous IRQs.</div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Dev__config_html_a7fb7334fc078f7c26c036ea1f5fbdbf3"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Dev__config.html#a7fb7334fc078f7c26c036ea1f5fbdbf3">L4virtio::Svr::Dev_config::add_irq_status</a></div><div class="ttdeci">void add_irq_status(l4_uint32_t status)</div><div class="ttdoc">Adds irq status bit.</div><div class="ttdef"><b>Definition</b> <a href="server_2l4virtio_source.html#l00265">l4virtio:265</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Device__t_html_ab906b4cc61026fd815a8056f07bef10e"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Device__t.html#ab906b4cc61026fd815a8056f07bef10e">L4virtio::Svr::Device_t< No_custom_data >::setup_queue</a></div><div class="ttdeci">bool setup_queue(Virtqueue *q, unsigned qn, unsigned num_max)</div><div class="ttdef"><b>Definition</b> <a href="server_2l4virtio_source.html#l01047">l4virtio:1047</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Device__t_html_ac13ae09cfc41fad98bd25c2d76bfac63"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Device__t.html#ac13ae09cfc41fad98bd25c2d76bfac63">L4virtio::Svr::Device_t< No_custom_data >::init_mem_info</a></div><div class="ttdeci">void init_mem_info(unsigned num)</div><div class="ttdef"><b>Definition</b> <a href="server_2l4virtio_source.html#l01012">l4virtio:1012</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Device__t_html_aedbe988112e98750e5409a8c92358dcf"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Device__t.html#aedbe988112e98750e5409a8c92358dcf">L4virtio::Svr::Device_t< No_custom_data >::reset_queue_config</a></div><div class="ttdeci">void reset_queue_config(unsigned idx, unsigned num_max, bool inc_generation=false)</div><div class="ttdef"><b>Definition</b> <a href="server_2l4virtio_source.html#l01002">l4virtio:1002</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Driver__mem__region__t_html_af08e01da1fdcbc0f0f4c4d90da5d0469"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Driver__mem__region__t.html#af08e01da1fdcbc0f0f4c4d90da5d0469">L4virtio::Svr::Driver_mem_region_t::local</a></div><div class="ttdeci">T * local(Ptr< T > p) const</div><div class="ttdoc">Get the local address for driver address p.</div><div class="ttdef"><b>Definition</b> <a href="server_2l4virtio_source.html#l00616">l4virtio:616</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Request__processor_html"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Request__processor.html">L4virtio::Svr::Request_processor</a></div><div class="ttdoc">Encapsulate the state for processing a VIRTIO request.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00472">virtio:473</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Request__processor_html_abcf6a6b8bf80e0d73d45b5eb9e817abd"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Request__processor.html#abcf6a6b8bf80e0d73d45b5eb9e817abd">L4virtio::Svr::Request_processor::start</a></div><div class="ttdeci">void start(DESC_MAN *dm, Virtqueue *ring, Virtqueue::Head_desc const &request, ARGS... args)</div><div class="ttdoc">Start processing a new request.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00501">virtio:501</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtio__rng_html_a0bf66996349738c44e9f93442bd67672"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a0bf66996349738c44e9f93442bd67672">L4virtio::Svr::Virtio_rng::trigger_driver_config_irq</a></div><div class="ttdeci">void trigger_driver_config_irq() override</div><div class="ttdoc">callback for triggering configuration change notification IRQ</div><div class="ttdef"><b>Definition</b> <a href="#l00177">virtio-rng-device:177</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtio__rng_html_a3ad8313245b6defbc727240593e7296d"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a3ad8313245b6defbc727240593e7296d">L4virtio::Svr::Virtio_rng::reset</a></div><div class="ttdeci">void reset() override</div><div class="ttdoc">reset callback, called for doing a device reset</div><div class="ttdef"><b>Definition</b> <a href="#l00158">virtio-rng-device:158</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtio__rng_html_a75585a1b1799d0d7cfe0a011549b5cfa"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a75585a1b1799d0d7cfe0a011549b5cfa">L4virtio::Svr::Virtio_rng::device_notify_irq</a></div><div class="ttdeci">L4::Cap< L4::Irq > device_notify_irq() const override</div><div class="ttdoc">callback to gather the device notification IRQ (old-style)</div><div class="ttdef"><b>Definition</b> <a href="#l00205">virtio-rng-device:205</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtio__rng_html_a7c5d2a6e7992408600ad9bc61f816ef6"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtio__rng.html#a7c5d2a6e7992408600ad9bc61f816ef6">L4virtio::Svr::Virtio_rng::reconfig_queue</a></div><div class="ttdeci">int reconfig_queue(unsigned idx) override</div><div class="ttdoc">callback for client queue-config request</div><div class="ttdef"><b>Definition</b> <a href="#l00167">virtio-rng-device:167</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtio__rng_html_ae405894e96aae22477549b41b443aa77"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtio__rng.html#ae405894e96aae22477549b41b443aa77">L4virtio::Svr::Virtio_rng::check_queues</a></div><div class="ttdeci">bool check_queues() override</div><div class="ttdoc">callback for checking if the queues at DRIVER_OK transition</div><div class="ttdef"><b>Definition</b> <a href="#l00162">virtio-rng-device:162</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtio__rng_html_af847578335aefd875ff42c903cd3edd4"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtio__rng.html#af847578335aefd875ff42c903cd3edd4">L4virtio::Svr::Virtio_rng::register_single_driver_irq</a></div><div class="ttdeci">void register_single_driver_irq() override</div><div class="ttdoc">callback for registering a single guest IRQ for all queues (old-style)</div><div class="ttdef"><b>Definition</b> <a href="#l00210">virtio-rng-device:210</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtqueue_1_1Head__desc_html"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtqueue_1_1Head__desc.html">L4virtio::Svr::Virtqueue::Head_desc</a></div><div class="ttdoc">VIRTIO request, essentially a descriptor from the available ring.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00093">virtio:94</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Svr_1_1Virtqueue_html"><div class="ttname"><a href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a></div><div class="ttdoc">Virtqueue implementation for the device.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00087">virtio:88</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Virtqueue_1_1Desc_html"><div class="ttname"><a href="classL4virtio_1_1Virtqueue_1_1Desc.html">L4virtio::Virtqueue::Desc</a></div><div class="ttdoc">Descriptor in the descriptor table.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00086">virtqueue:87</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Virtqueue_1_1Desc_html_a55a515e923e62893696c1e6c09ffb62b"><div class="ttname"><a href="classL4virtio_1_1Virtqueue_1_1Desc.html#a55a515e923e62893696c1e6c09ffb62b">L4virtio::Virtqueue::Desc::len</a></div><div class="ttdeci">l4_uint32_t len</div><div class="ttdoc">Length of described buffer.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00109">virtqueue:109</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Virtqueue_1_1Desc_html_a8aad49eded68125ad5e94d0688d09828"><div class="ttname"><a href="classL4virtio_1_1Virtqueue_1_1Desc.html#a8aad49eded68125ad5e94d0688d09828">L4virtio::Virtqueue::Desc::addr</a></div><div class="ttdeci">Ptr< void > addr</div><div class="ttdoc">Address stored in descriptor.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00108">virtqueue:108</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Virtqueue_html_a2aa2efa2e5f6ee73423ec9beab40232a"><div class="ttname"><a href="classL4virtio_1_1Virtqueue.html#a2aa2efa2e5f6ee73423ec9beab40232a">L4virtio::Virtqueue::no_notify_guest</a></div><div class="ttdeci">bool no_notify_guest() const</div><div class="ttdoc">Get the no IRQ flag of this queue.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00414">virtqueue:414</a></div></div>
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<div class="ttc" id="aerror__helper_html"><div class="ttname"><a href="error__helper.html">error_helper</a></div><div class="ttdoc">Error helper.</div></div>
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<div class="ttc" id="agroup__l4__basic__types_html_ga4087b991c40c0d2fcde9ca331049a4d4"><div class="ttname"><a href="group__l4__basic__types.html#ga4087b991c40c0d2fcde9ca331049a4d4">l4_addr_t</a></div><div class="ttdeci">unsigned long l4_addr_t</div><div class="ttdoc">Address type.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00034">l4int.h:34</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a226d93ada42b58951cfe40102ae169c8"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a226d93ada42b58951cfe40102ae169c8">L4_ERANGE</a></div><div class="ttdeci">@ L4_ERANGE</div><div class="ttdoc">Range error.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00048">err.h:48</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9aca91ea3bdb5bd82f63784ee66b489d5e"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9aca91ea3bdb5bd82f63784ee66b489d5e">L4_EOK</a></div><div class="ttdeci">@ L4_EOK</div><div class="ttdoc">Ok.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00032">err.h:32</a></div></div>
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<div class="ttc" id="agroup__l4sys__defines_html_ga3df4200910f2664b97397c23693beeb0"><div class="ttname"><a href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a></div><div class="ttdeci">#define L4_UNLIKELY(x)</div><div class="ttdoc">Expression is unlikely to execute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00284">compiler.h:284</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_gga01d1e713668a8ee48f1e34f428cea8d0ab8ea6c40b0611434c90ffee0bb729342"><div class="ttname"><a href="group__l4virtio__transport.html#gga01d1e713668a8ee48f1e34f428cea8d0ab8ea6c40b0611434c90ffee0bb729342">L4VIRTIO_FEATURE_VERSION_1</a></div><div class="ttdeci">@ L4VIRTIO_FEATURE_VERSION_1</div><div class="ttdoc">Virtio protocol version 1 supported. Must be 1 for L4virtio.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00101">virtio.h:101</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_ggaa3812d621d81dd6a7101d739153b6c3ba3bd730f13d6c8d5acc01c0be8366c304"><div class="ttname"><a href="group__l4virtio__transport.html#ggaa3812d621d81dd6a7101d739153b6c3ba3bd730f13d6c8d5acc01c0be8366c304">L4VIRTIO_ID_RNG</a></div><div class="ttdeci">@ L4VIRTIO_ID_RNG</div><div class="ttdoc">Entropy source.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00067">virtio.h:67</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_ggafc85528edcc3d740233740766f759fdda764bdaf5cff15bd8cd27f402f6e273b2"><div class="ttname"><a href="group__l4virtio__transport.html#ggafc85528edcc3d740233740766f759fdda764bdaf5cff15bd8cd27f402f6e273b2">L4VIRTIO_IRQ_STATUS_VRING</a></div><div class="ttdeci">@ L4VIRTIO_IRQ_STATUS_VRING</div><div class="ttdoc">VRING IRQ pending flag.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00112">virtio.h:112</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_ggafc85528edcc3d740233740766f759fdda7e21836e79756a2e357e1cbc2509090d"><div class="ttname"><a href="group__l4virtio__transport.html#ggafc85528edcc3d740233740766f759fdda7e21836e79756a2e357e1cbc2509090d">L4VIRTIO_IRQ_STATUS_CONFIG</a></div><div class="ttdeci">@ L4VIRTIO_IRQ_STATUS_CONFIG</div><div class="ttdoc">CONFIG IRQ pending flag.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00113">virtio.h:113</a></div></div>
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<div class="ttc" id="anamespaceL4Re_html_a3f17984019f06676a7e3eecb41bbb0bb"><div class="ttname"><a href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a></div><div class="ttdeci">long chksys(long err, char const *extra="", long ret=0)</div><div class="ttdoc">Generate C++ exception on error.</div><div class="ttdef"><b>Definition</b> <a href="error__helper_source.html#l00072">error_helper:72</a></div></div>
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<div class="ttc" id="anamespaceL4Re_html_a64b057254a760643ba67a9ed452fede8"><div class="ttname"><a href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">L4Re::chkcap</a></div><div class="ttdeci">T chkcap(T &&cap, char const *extra="", long err=-L4_ENOMEM)</div><div class="ttdoc">Check for valid capability or raise C++ exception.</div><div class="ttdef"><b>Definition</b> <a href="error__helper_source.html#l00149">error_helper:149</a></div></div>
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<div class="ttc" id="anamespaceL4Re_html_ae21329b88c6ffc4917048e8d9564ea99"><div class="ttname"><a href="namespaceL4Re.html#ae21329b88c6ffc4917048e8d9564ea99">L4Re::chkipc</a></div><div class="ttdeci">l4_msgtag_t chkipc(l4_msgtag_t tag, char const *extra="", l4_utcb_t *utcb=l4_utcb())</div><div class="ttdoc">Test a message tag for IPC errors.</div><div class="ttdef"><b>Definition</b> <a href="error__helper_source.html#l00180">error_helper:180</a></div></div>
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<div class="ttc" id="anamespaceL4_html_ac674c8e32808f504f4fa0aa8e5276e84"><div class="ttname"><a href="namespaceL4.html#ac674c8e32808f504f4fa0aa8e5276e84">L4::cap_cast</a></div><div class="ttdeci">Cap< T > cap_cast(Cap< F > const &c) noexcept</div><div class="ttdoc">static_cast for capabilities.</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00416">capability.h:416</a></div></div>
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<div class="ttc" id="anamespaceL4virtio_html"><div class="ttname"><a href="namespaceL4virtio.html">L4virtio</a></div><div class="ttdoc">L4-VIRTIO Transport C++ API.</div><div class="ttdef"><b>Definition</b> <a href="client_2l4virtio_source.html#l00026">l4virtio:26</a></div></div>
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<div class="ttc" id="astructL4_1_1Epiface__t_html"><div class="ttname"><a href="structL4_1_1Epiface__t.html">L4::Epiface_t</a></div><div class="ttdoc">Epiface implementation for Kobject-based interface implementations.</div><div class="ttdef"><b>Definition</b> <a href="ipc__epiface_source.html#l00503">ipc_epiface:504</a></div></div>
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<div class="ttc" id="astructL4_1_1Epiface_html_a9605834c855375364504bd0f7ae78273"><div class="ttname"><a href="structL4_1_1Epiface.html#a9605834c855375364504bd0f7ae78273">L4::Epiface::server_iface</a></div><div class="ttdeci">Server_iface * server_iface() const</div><div class="ttdoc">Get pointer to server interface at which the object is currently registered.</div><div class="ttdef"><b>Definition</b> <a href="ipc__epiface_source.html#l00213">ipc_epiface:213</a></div></div>
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<div class="ttc" id="astructL4_1_1Irqep__t_html"><div class="ttname"><a href="structL4_1_1Irqep__t.html">L4::Irqep_t</a></div><div class="ttdoc">Epiface implementation for interrupt handlers.</div><div class="ttdef"><b>Definition</b> <a href="ipc__epiface_source.html#l00282">ipc_epiface:283</a></div></div>
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<div class="ttc" id="astructL4_1_1Triggerable_html_a7109ca8b4aeac0169639f973c91a3a6b"><div class="ttname"><a href="structL4_1_1Triggerable.html#a7109ca8b4aeac0169639f973c91a3a6b">L4::Triggerable::trigger</a></div><div class="ttdeci">l4_msgtag_t trigger(l4_utcb_t *utcb=l4_utcb()) noexcept</div><div class="ttdoc">Trigger the object.</div><div class="ttdef"><b>Definition</b> <a href="irq_source.html#l00091">irq:91</a></div></div>
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<div class="ttc" id="astructL4virtio_1_1Svr_1_1Data__buffer_html"><div class="ttname"><a href="structL4virtio_1_1Svr_1_1Data__buffer.html">L4virtio::Svr::Data_buffer</a></div><div class="ttdoc">Abstract data buffer.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00306">virtio:307</a></div></div>
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<div class="ttc" id="astructL4virtio_1_1Svr_1_1Data__buffer_html_a4c105bf354d6663f323efeb81c74ebc2"><div class="ttname"><a href="structL4virtio_1_1Svr_1_1Data__buffer.html#a4c105bf354d6663f323efeb81c74ebc2">L4virtio::Svr::Data_buffer::left</a></div><div class="ttdeci">l4_uint32_t left</div><div class="ttdoc">Bytes left in buffer.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00309">virtio:309</a></div></div>
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<div class="ttc" id="astructL4virtio_1_1Svr_1_1Data__buffer_html_ac58e770774164d220267be04fb97b551"><div class="ttname"><a href="structL4virtio_1_1Svr_1_1Data__buffer.html#ac58e770774164d220267be04fb97b551">L4virtio::Svr::Data_buffer::pos</a></div><div class="ttdeci">char * pos</div><div class="ttdoc">Current buffer position.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00308">virtio:308</a></div></div>
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<div class="ttc" id="astructL4virtio_1_1Svr_1_1Dev__features_html_a01bb482bee85fd60f8685ed5a55fde79"><div class="ttname"><a href="structL4virtio_1_1Svr_1_1Dev__features.html#a01bb482bee85fd60f8685ed5a55fde79">L4virtio::Svr::Dev_features::raw</a></div><div class="ttdeci">l4_uint32_t raw</div><div class="ttdoc">The raw value of the features bitmap.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00068">virtio:68</a></div></div>
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<div class="ttc" id="astructL4virtio_1_1Svr_1_1Dev__features_html_a0a33e8e5d0b3ef5bf8cfc6e56c7d2d38"><div class="ttname"><a href="structL4virtio_1_1Svr_1_1Dev__features.html#a0a33e8e5d0b3ef5bf8cfc6e56c7d2d38">L4virtio::Svr::Dev_features::ring_indirect_desc</a></div><div class="ttdeci">constexpr ring_indirect_desc_bfm_t::Val ring_indirect_desc() const</div><div class="ttdoc">Get the ring_indirect_desc bits (28 to 28) of raw.</div><div class="ttdef"><b>Definition</b> <a href="virtio_source.html#l00074">virtio:74</a></div></div>
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