429 lines
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429 lines
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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</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/* SPDX-License-Identifier: MIT */</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * Copyright (C) 2015-2020, 2022, 2024 Kernkonzept GmbH.</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * Author(s): Sarah Hoffmann <sarah.hoffmann@kernkonzept.com></span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</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><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <<a class="code" href="factory.html">l4/sys/factory</a>></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="semaphore.html">l4/sys/semaphore</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 <<a class="code" href="dataspace.html">l4/re/dataspace</a>></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include <<a class="code" href="env.html">l4/re/env</a>></span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <<a class="code" href="util_2unique__cap.html">l4/re/util/unique_cap</a>></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/re/util/object_registry></span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</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="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="preprocessor">#include <<a class="code" href="l4_2util_2atomic_8h.html">l4/util/atomic.h</a>></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <<a class="code" href="bitops_8h.html">l4/util/bitops.h</a>></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <l4/l4virtio/l4virtio></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <l4/l4virtio/virtqueue></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <<a class="code" href="l4_2sys_2consts_8h.html">l4/sys/consts.h</a>></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <cstring></span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="foldopen" id="foldopen00026" data-start="{" data-end="}">
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="namespaceL4virtio.html"> 26</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4virtio.html">L4virtio</a> { <span class="keyword">namespace </span>Driver {</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span></div>
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<div class="foldopen" id="foldopen00031" data-start="{" data-end="};">
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html"> 31</a></span><span class="keyword">class </span><a class="code hl_class" href="classL4virtio_1_1Driver_1_1Device.html">Device</a></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span>{</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">public</span>:</div>
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<div class="foldopen" id="foldopen00056" data-start="{" data-end="}">
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a4f8b3d73188c3b6664755b81b80e441c"> 56</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a4f8b3d73188c3b6664755b81b80e441c">driver_connect</a>(<a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4virtio::Device></a> srvcap, <span class="keywordtype">bool</span> manage_notify = <span class="keyword">true</span>)</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> _device = srvcap;</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> _next_devaddr = <a class="code hl_define" href="group__l4__memory__api.html#ga415999acc1a1410058a0134524e61381">L4_SUPERPAGESIZE</a>;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">auto</span> *e = <a class="code hl_function" href="classL4Re_1_1Env.html#a2706ca11e70845b0a29a5646c9fd54bc">L4Re::Env::env</a>();</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 class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Set up the virtio configuration page.</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> _config_cap = <a class="code hl_function" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">L4Re::chkcap</a>(<a class="code hl_function" href="namespaceL4Re_1_1Util.html#a0c4ee77222764600950f2ebe23a1e45a">L4Re::Util::make_unique_cap<L4Re::Dataspace></a>(),</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="stringliteral">"Allocate config dataspace capability"</span>);</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</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="l00070" name="l00070"></a><span class="lineno"> 70</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(_device->device_config(_config_cap.get(), &ds_offset),</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="stringliteral">"Request virtio config page"</span>);</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> <span class="keywordflow">if</span> (ds_offset & ~<a class="code hl_define" href="group__l4__memory__api.html#gada503e18c03360343a05db1cab7280ec">L4_PAGEMASK</a>)</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a54ddbebc30b661c87177b968a77588b8">L4_EINVAL</a>, <span class="stringliteral">"Virtio config page is page aligned."</span>);</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(e->rm()->attach(&_config, <a class="code hl_define" href="group__l4__memory__api.html#gabecf862d8b8f39ad28af45d7fc949dd5">L4_PAGESIZE</a>,</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a">L4Re::Rm::F::Search_addr</a> | <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a">L4Re::Rm::F::RW</a>,</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_function" href="namespaceL4_1_1Ipc.html#aa6b9422f850eb175240c9d18c5cc708c">L4::Ipc::make_cap_rw</a>(_config_cap.get()), ds_offset,</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_define" href="group__l4__memory__api.html#gad2f7e71d6265b2735f730dc90c54539a">L4_PAGESHIFT</a>),</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="stringliteral">"Attach config dataspace"</span>);</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> <span class="keywordflow">if</span> (memcmp(&_config->magic, <span class="stringliteral">"virt"</span>, 4) != 0)</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a96c4464d149a63301a5314ecd1ff53d9">L4_ENODEV</a>, <span class="stringliteral">"Device config has wrong magic value"</span>);</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">if</span> (_config->version != 2)</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a96c4464d149a63301a5314ecd1ff53d9">L4_ENODEV</a>, <span class="stringliteral">"Invalid virtio version, must be 2"</span>);</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> _device->set_status(0); <span class="comment">// reset</span></div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">int</span> status = <a class="code hl_enumvalue" href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a225e3a6f7f06eb28e5e420a9b4b709a0">L4VIRTIO_STATUS_ACKNOWLEDGE</a>;</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> _device->set_status(status);</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> status |= <a class="code hl_enumvalue" href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a0247a950583f983f0e9b84da44d0d66c">L4VIRTIO_STATUS_DRIVER</a>;</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> _device->set_status(status);</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> <span class="keywordflow">if</span> (_config->fail_state())</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9abf18baaba897b65a370e903268cbac91">L4_EIO</a>, <span class="stringliteral">"Device failure during initialisation."</span>);</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// Set up the interrupt used to notify the device about events.</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// (only supporting one interrupt with index 0 at the moment)</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> _host_irq = <a class="code hl_function" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">L4Re::chkcap</a>(<a class="code hl_function" href="namespaceL4Re_1_1Util.html#a0c4ee77222764600950f2ebe23a1e45a">L4Re::Util::make_unique_cap<L4::Irq></a>(),</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="stringliteral">"Allocate host IRQ capability"</span>);</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(_device->device_notification_irq(0, _host_irq.get()),</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="stringliteral">"Request device notification interrupt."</span>);</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// Set up the interrupt to get notifications from the device.</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// (only supporting one interrupt with index 0 at the moment)</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (manage_notify)</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> _driver_notification =</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_function" href="namespaceL4Re.html#a64b057254a760643ba67a9ed452fede8">L4Re::chkcap</a>(<a class="code hl_function" href="namespaceL4Re_1_1Util.html#a0c4ee77222764600950f2ebe23a1e45a">L4Re::Util::make_unique_cap<L4::Semaphore></a>(),</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="stringliteral">"Allocate notification capability"</span>);</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(<a class="code hl_function" href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a>(e->factory()->create(_driver_notification.get())),</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="stringliteral">"Create semaphore for notifications from device"</span>);</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(_device->bind(0, _driver_notification.get()),</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="stringliteral">"Bind driver notification interrupt"</span>);</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
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</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span></div>
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<div class="foldopen" id="foldopen00129" data-start="{" data-end="}">
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a1c9b791b723e7e8ad2eae927094b487d"> 129</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a1c9b791b723e7e8ad2eae927094b487d">bind_notification_irq</a>(<span class="keywordtype">unsigned</span> index, <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4::Triggerable></a> irq)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_function" href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a>(_device->bind(index, irq)); }</div>
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</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="l00133" name="l00133"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a77b6e19eee76b71efd0065e62f71190d"> 133</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a77b6e19eee76b71efd0065e62f71190d">fail_state</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _config->fail_state(); }</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span></div>
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<div class="foldopen" id="foldopen00145" data-start="{" data-end="}">
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#adcbab39e15c2541a34fcd431b4a67d47"> 145</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#adcbab39e15c2541a34fcd431b4a67d47">feature_negotiated</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> feat)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_function" href="group__l4virtio__transport.html#gae37bcd45875b27b302320e6b9580191d">l4virtio_get_feature</a>(_config->driver_features_map, feat); }</div>
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</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span></div>
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<div class="foldopen" id="foldopen00156" data-start="{" data-end="}">
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#af06d27e63124749456ddc8d959231741"> 156</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#af06d27e63124749456ddc8d959231741">driver_acknowledge</a>()</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="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="group__l4virtio__transport.html#gae37bcd45875b27b302320e6b9580191d">l4virtio_get_feature</a>(_config->dev_features_map,</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <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="l00160" name="l00160"></a><span class="lineno"> 160</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a96c4464d149a63301a5314ecd1ff53d9">L4_ENODEV</a>,</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="stringliteral">"Require Virtio 1.0 device; Legacy device not supported."</span>);</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> _config->driver_features_map[0] &= _config->dev_features_map[0];</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> _config->driver_features_map[1] &= _config->dev_features_map[1];</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 class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> _device->set_status(_config->status | <a class="code hl_enumvalue" href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a721e61e1e260f44191a711e7c7fe2a7f">L4VIRTIO_STATUS_FEATURES_OK</a>);</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (!(_config->status & <a class="code hl_enumvalue" href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a721e61e1e260f44191a711e7c7fe2a7f">L4VIRTIO_STATUS_FEATURES_OK</a>))</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a54ddbebc30b661c87177b968a77588b8">L4_EINVAL</a>, <span class="stringliteral">"Negotiation of device features."</span>);</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> _device->set_status(_config->status | <a class="code hl_enumvalue" href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3af125ea36199e52dbee0f8b67c4787496">L4VIRTIO_STATUS_DRIVER_OK</a>);</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">if</span> (_config->fail_state())</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#ggab4c8abc71ffa221a25c1ca5840a354f9abf18baaba897b65a370e903268cbac91">L4_EIO</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 class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</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="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div>
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</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span></div>
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<div class="foldopen" id="foldopen00196" data-start="{" data-end="}">
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a7a5c440b8353e0bd030a552334e7e5a3"> 196</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a7a5c440b8353e0bd030a552334e7e5a3">register_ds</a>(<a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4Re::Dataspace></a> ds, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> offset,</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> size, <a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> *devaddr)</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> {</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> *devaddr = next_device_address(size);</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">return</span> _device->register_ds(<a class="code hl_function" href="namespaceL4_1_1Ipc.html#aa6b9422f850eb175240c9d18c5cc708c">L4::Ipc::make_cap_rw</a>(ds), *devaddr, offset, size);</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>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span></div>
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<div class="foldopen" id="foldopen00212" data-start="{" data-end="}">
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#aa557ba0e56fbfc194b07440ecc796061"> 212</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#aa557ba0e56fbfc194b07440ecc796061">config_queue</a>(<span class="keywordtype">int</span> num, <span class="keywordtype">unsigned</span> size, <a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> desc_addr,</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> avail_addr, <a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> used_addr)</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> <span class="keyword">auto</span> *queueconf = &_config->queues()[num];</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> queueconf->num = size;</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> queueconf->desc_addr = desc_addr;</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> queueconf->avail_addr = avail_addr;</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> queueconf->used_addr = used_addr;</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> queueconf->ready = 1;</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">return</span> _device->config_queue(num);</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
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</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span></div>
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<div class="foldopen" id="foldopen00230" data-start="{" data-end="}">
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a07dd8cdbc1ce12dca8af6a540463ae23"> 230</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a07dd8cdbc1ce12dca8af6a540463ae23">max_queue_size</a>(<span class="keywordtype">int</span> num)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">return</span> _config->queues()[num].num_max;</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
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</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span></div>
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<div class="foldopen" id="foldopen00247" data-start="{" data-end="}">
|
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#af4aa9ac34ce928b9d437f1bb6a2ec216"> 247</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#af4aa9ac34ce928b9d437f1bb6a2ec216">send_and_wait</a>(<a class="code hl_class" href="classL4virtio_1_1Driver_1_1Virtqueue.html">Virtqueue</a> &queue, <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> descno)</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> {</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a72090d324268b51f3937197748c26853">send</a>(queue, descno);</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// wait for a reply, we assume that no other</span></div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="comment">// request will get in the way.</span></div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">auto</span> head = <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a3b5274cb8d4e708beea944038b855885">wait_for_next_used</a>(queue);</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> </div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">if</span> (head < 0)</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">return</span> head;</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> </div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="keywordflow">return</span> (head == descno) ? <a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9aca91ea3bdb5bd82f63784ee66b489d5e">L4_EOK</a> : -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a54ddbebc30b661c87177b968a77588b8">L4_EINVAL</a>;</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> }</div>
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</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span></div>
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<div class="foldopen" id="foldopen00268" data-start="{" data-end="}">
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a05a02d57ddf646f029311ca8a63f4081"> 268</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a05a02d57ddf646f029311ca8a63f4081">wait</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span> (index != 0)</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> -<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a0230b4251e0ab6c7bf80054fb55465bb">L4_EEXIST</a>;</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordflow">return</span> <a class="code hl_function" href="group__l4__ipc__err__api.html#gad40f404217497793e95a10d77a47db39">l4_ipc_error</a>(_driver_notification->down(), <a class="code hl_function" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>());</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> }</div>
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</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span></div>
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<div class="foldopen" id="foldopen00291" data-start="{" data-end="}">
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a3b5274cb8d4e708beea944038b855885"> 291</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a3b5274cb8d4e708beea944038b855885">wait_for_next_used</a>(<a class="code hl_class" href="classL4virtio_1_1Driver_1_1Virtqueue.html">Virtqueue</a> &queue, <a class="code hl_typedef" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *len = <span class="keyword">nullptr</span>)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span><span class="keyword"> </span>{</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> {</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordtype">int</span> err = <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a05a02d57ddf646f029311ca8a63f4081">wait</a>(0);</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> </div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">if</span> (err < 0)</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">return</span> err;</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keyword">auto</span> head = queue.<a class="code hl_function" href="classL4virtio_1_1Driver_1_1Virtqueue.html#a6d320be956d592d0a064fb89c5a69ba5">find_next_used</a>(len);</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (head != Virtqueue::Eoq) <span class="comment">// spurious interrupt?</span></div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">return</span> head;</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> }</div>
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</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span></div>
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<div class="foldopen" id="foldopen00312" data-start="{" data-end="}">
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"><a class="line" href="classL4virtio_1_1Driver_1_1Device.html#a72090d324268b51f3937197748c26853"> 312</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classL4virtio_1_1Driver_1_1Device.html#a72090d324268b51f3937197748c26853">send</a>(<a class="code hl_class" href="classL4virtio_1_1Driver_1_1Virtqueue.html">Virtqueue</a> &queue, <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> descno)</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> {</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> queue.<a class="code hl_function" href="classL4virtio_1_1Driver_1_1Virtqueue.html#a20a030dd769eddf44b6cb0bb07b84ee8">enqueue_descriptor</a>(descno);</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> notify(queue);</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
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</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> </div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordtype">void</span> notify(<a class="code hl_class" href="classL4virtio_1_1Driver_1_1Virtqueue.html">Virtqueue</a> &queue)</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> {</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keywordflow">if</span> (!queue.<a class="code hl_function" href="classL4virtio_1_1Virtqueue.html#ad478e575bf6023866e8bd4ea6b5b0200">no_notify_host</a>())</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> _host_irq->trigger();</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span><span class="keyword">private</span>:</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> next_device_address(<a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> size)</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> {</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> ret;</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> size = <a class="code hl_function" href="group__l4__memory__api.html#ga96e3b2d8e69308aecbb11d1d24f61662">l4_round_page</a>(size);</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordflow">do</span></div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> {</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> ret = _next_devaddr;</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">if</span> (<a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a>(~0) - ret < size)</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <a class="code hl_function" href="namespaceL4Re.html#a3f17984019f06676a7e3eecb41bbb0bb">L4Re::chksys</a>(-<a class="code hl_enumvalue" href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a>, <span class="stringliteral">"Out of device address space."</span>);</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> }</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">while</span> (!<a class="code hl_function" href="group__l4util__atomic.html#ga929dc4219f96656545bb658d95b0c7c2">l4util_cmpxchg</a>(&_next_devaddr, ret, ret + size));</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> </div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordflow">return</span> ret;</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span><span class="keyword">protected</span>:</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> L4::Cap<L4virtio::Device> _device;</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> L4Re::Rm::Unique_region<L4virtio::Device::Config_hdr *> _config;</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> _next_devaddr;</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">L4Re::Util::Unique_cap<L4::Semaphore></a> _driver_notification;</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span><span class="keyword">private</span>:</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">L4Re::Util::Unique_cap<L4::Irq></a> _host_irq;</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <a class="code hl_typedef" href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">L4Re::Util::Unique_cap<L4Re::Dataspace></a> _config_cap;</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span>};</div>
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</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span>} }</div>
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</div>
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<div class="ttc" id="abitops_8h_html"><div class="ttname"><a href="bitops_8h.html">bitops.h</a></div><div class="ttdoc">bit manipulation functions</div></div>
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<div class="ttc" id="aclassL4Re_1_1Env_html_a2706ca11e70845b0a29a5646c9fd54bc"><div class="ttname"><a href="classL4Re_1_1Env.html#a2706ca11e70845b0a29a5646c9fd54bc">L4Re::Env::env</a></div><div class="ttdeci">static Env const * env() noexcept</div><div class="ttdoc">Returns the initial environment for the current task.</div><div class="ttdef"><b>Definition</b> <a href="env_source.html#l00096">env:96</a></div></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="aclassL4virtio_1_1Driver_1_1Device_html"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html">L4virtio::Driver::Device</a></div><div class="ttdoc">Client-side implementation for a general virtio device.</div><div class="ttdef"><b>Definition</b> <a href="#l00031">l4virtio:32</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a05a02d57ddf646f029311ca8a63f4081"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a05a02d57ddf646f029311ca8a63f4081">L4virtio::Driver::Device::wait</a></div><div class="ttdeci">int wait(int index) const</div><div class="ttdoc">Wait for a notification from the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00268">l4virtio:268</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a07dd8cdbc1ce12dca8af6a540463ae23"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a07dd8cdbc1ce12dca8af6a540463ae23">L4virtio::Driver::Device::max_queue_size</a></div><div class="ttdeci">int max_queue_size(int num) const</div><div class="ttdoc">Maximum queue size allowed by the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00230">l4virtio:230</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a1c9b791b723e7e8ad2eae927094b487d"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a1c9b791b723e7e8ad2eae927094b487d">L4virtio::Driver::Device::bind_notification_irq</a></div><div class="ttdeci">int bind_notification_irq(unsigned index, L4::Cap< L4::Triggerable > irq) const</div><div class="ttdoc">Register a triggerable to receive notifications from the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00129">l4virtio:129</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a3b5274cb8d4e708beea944038b855885"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a3b5274cb8d4e708beea944038b855885">L4virtio::Driver::Device::wait_for_next_used</a></div><div class="ttdeci">int wait_for_next_used(Virtqueue &queue, l4_uint32_t *len=nullptr) const</div><div class="ttdoc">Wait for the next item to arrive in the used queue and return it.</div><div class="ttdef"><b>Definition</b> <a href="#l00291">l4virtio:291</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a4f8b3d73188c3b6664755b81b80e441c"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a4f8b3d73188c3b6664755b81b80e441c">L4virtio::Driver::Device::driver_connect</a></div><div class="ttdeci">void driver_connect(L4::Cap< L4virtio::Device > srvcap, bool manage_notify=true)</div><div class="ttdoc">Contacts the device and starts the initial handshake.</div><div class="ttdef"><b>Definition</b> <a href="#l00056">l4virtio:56</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a72090d324268b51f3937197748c26853"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a72090d324268b51f3937197748c26853">L4virtio::Driver::Device::send</a></div><div class="ttdeci">void send(Virtqueue &queue, l4_uint16_t descno)</div><div class="ttdoc">Send a request to the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00312">l4virtio:312</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a77b6e19eee76b71efd0065e62f71190d"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a77b6e19eee76b71efd0065e62f71190d">L4virtio::Driver::Device::fail_state</a></div><div class="ttdeci">bool fail_state() const</div><div class="ttdoc">Return true if the device is in a fail state.</div><div class="ttdef"><b>Definition</b> <a href="#l00133">l4virtio:133</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_a7a5c440b8353e0bd030a552334e7e5a3"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#a7a5c440b8353e0bd030a552334e7e5a3">L4virtio::Driver::Device::register_ds</a></div><div class="ttdeci">int register_ds(L4::Cap< L4Re::Dataspace > ds, l4_umword_t offset, l4_umword_t size, l4_uint64_t *devaddr)</div><div class="ttdoc">Share a dataspace with the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00196">l4virtio:196</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_aa557ba0e56fbfc194b07440ecc796061"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#aa557ba0e56fbfc194b07440ecc796061">L4virtio::Driver::Device::config_queue</a></div><div class="ttdeci">int config_queue(int num, unsigned size, l4_uint64_t desc_addr, l4_uint64_t avail_addr, l4_uint64_t used_addr)</div><div class="ttdoc">Send the virtqueue configuration to the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00212">l4virtio:212</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_adcbab39e15c2541a34fcd431b4a67d47"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#adcbab39e15c2541a34fcd431b4a67d47">L4virtio::Driver::Device::feature_negotiated</a></div><div class="ttdeci">bool feature_negotiated(unsigned int feat) const</div><div class="ttdoc">Check if a particular feature bit was negotiated with the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00145">l4virtio:145</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_af06d27e63124749456ddc8d959231741"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#af06d27e63124749456ddc8d959231741">L4virtio::Driver::Device::driver_acknowledge</a></div><div class="ttdeci">int driver_acknowledge()</div><div class="ttdoc">Finalize handshake with the device.</div><div class="ttdef"><b>Definition</b> <a href="#l00156">l4virtio:156</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Device_html_af4aa9ac34ce928b9d437f1bb6a2ec216"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Device.html#af4aa9ac34ce928b9d437f1bb6a2ec216">L4virtio::Driver::Device::send_and_wait</a></div><div class="ttdeci">int send_and_wait(Virtqueue &queue, l4_uint16_t descno)</div><div class="ttdoc">Send a request to the device and wait for it to be processed.</div><div class="ttdef"><b>Definition</b> <a href="#l00247">l4virtio:247</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Virtqueue_html"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Virtqueue.html">L4virtio::Driver::Virtqueue</a></div><div class="ttdoc">Driver-side implementation of a Virtqueue.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00470">virtqueue:471</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Virtqueue_html_a20a030dd769eddf44b6cb0bb07b84ee8"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Virtqueue.html#a20a030dd769eddf44b6cb0bb07b84ee8">L4virtio::Driver::Virtqueue::enqueue_descriptor</a></div><div class="ttdeci">void enqueue_descriptor(l4_uint16_t descno)</div><div class="ttdoc">Enqueue a descriptor in the available ring.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00574">virtqueue:574</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Driver_1_1Virtqueue_html_a6d320be956d592d0a064fb89c5a69ba5"><div class="ttname"><a href="classL4virtio_1_1Driver_1_1Virtqueue.html#a6d320be956d592d0a064fb89c5a69ba5">L4virtio::Driver::Virtqueue::find_next_used</a></div><div class="ttdeci">l4_uint16_t find_next_used(l4_uint32_t *len=nullptr)</div><div class="ttdoc">Return the next finished block.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00609">virtqueue:609</a></div></div>
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<div class="ttc" id="aclassL4virtio_1_1Virtqueue_html_ad478e575bf6023866e8bd4ea6b5b0200"><div class="ttname"><a href="classL4virtio_1_1Virtqueue.html#ad478e575bf6023866e8bd4ea6b5b0200">L4virtio::Virtqueue::no_notify_host</a></div><div class="ttdeci">bool no_notify_host() const</div><div class="ttdoc">Get the no notify flag of this queue.</div><div class="ttdef"><b>Definition</b> <a href="virtqueue_source.html#l00426">virtqueue:426</a></div></div>
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<div class="ttc" id="adataspace_html"><div class="ttname"><a href="dataspace.html">dataspace</a></div><div class="ttdoc">Dataspace interface.</div></div>
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<div class="ttc" id="aenv_html"><div class="ttname"><a href="env.html">env</a></div><div class="ttdoc">Environment interface.</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="afactory_html"><div class="ttname"><a href="factory.html">factory</a></div><div class="ttdoc">Common factory related definitions.</div></div>
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<div class="ttc" id="agroup__l4__basic__types_html_ga1c2c4b333f75b1d05b59855910f2b9cb"><div class="ttname"><a href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></div><div class="ttdeci">unsigned long l4_umword_t</div><div class="ttdoc">Unsigned machine word.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00040">l4int.h:40</a></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__basic__types_html_gac1d09f3e382e711b776931f10e6e1e5a"><div class="ttname"><a href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></div><div class="ttdeci">unsigned int l4_uint32_t</div><div class="ttdoc">Unsigned 32bit value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00029">l4int.h:29</a></div></div>
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<div class="ttc" id="agroup__l4__basic__types_html_gae8d67914f723bf843df6f311ad2619a2"><div class="ttname"><a href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></div><div class="ttdeci">unsigned short int l4_uint16_t</div><div class="ttdoc">Unsigned 16bit value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00027">l4int.h:27</a></div></div>
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<div class="ttc" id="agroup__l4__basic__types_html_gaf3331c485014bd12a9e4f9d27a55e689"><div class="ttname"><a href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a></div><div class="ttdeci">unsigned long long l4_uint64_t</div><div class="ttdoc">Unsigned 64bit value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00031">l4int.h:31</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a0230b4251e0ab6c7bf80054fb55465bb"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a0230b4251e0ab6c7bf80054fb55465bb">L4_EEXIST</a></div><div class="ttdeci">@ L4_EEXIST</div><div class="ttdoc">Already exists.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00043">err.h:43</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a54ddbebc30b661c87177b968a77588b8"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a54ddbebc30b661c87177b968a77588b8">L4_EINVAL</a></div><div class="ttdeci">@ L4_EINVAL</div><div class="ttdoc">Invalid argument.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00046">err.h:46</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9a96c4464d149a63301a5314ecd1ff53d9"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9a96c4464d149a63301a5314ecd1ff53d9">L4_ENODEV</a></div><div class="ttdeci">@ L4_ENODEV</div><div class="ttdoc">No such thing.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00044">err.h:44</a></div></div>
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<div class="ttc" id="agroup__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9abf18baaba897b65a370e903268cbac91"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9abf18baaba897b65a370e903268cbac91">L4_EIO</a></div><div class="ttdeci">@ L4_EIO</div><div class="ttdoc">I/O error.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00035">err.h:35</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__l4__error__api_html_ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27"><div class="ttname"><a href="group__l4__error__api.html#ggab4c8abc71ffa221a25c1ca5840a354f9af7f5d38973fbf298613b03a088541e27">L4_ENOMEM</a></div><div class="ttdeci">@ L4_ENOMEM</div><div class="ttdoc">No memory.</div><div class="ttdef"><b>Definition</b> <a href="err_8h_source.html#l00039">err.h:39</a></div></div>
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<div class="ttc" id="agroup__l4__ipc__err__api_html_ga05c11e3e10b6c2aa941396ac2018899f"><div class="ttname"><a href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a></div><div class="ttdeci">long l4_error(l4_msgtag_t tag) L4_NOTHROW</div><div class="ttdoc">Get IPC error code if any or message tag label otherwise for an IPC call.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2ipc_8h_source.html#l00646">ipc.h:646</a></div></div>
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<div class="ttc" id="agroup__l4__ipc__err__api_html_gad40f404217497793e95a10d77a47db39"><div class="ttname"><a href="group__l4__ipc__err__api.html#gad40f404217497793e95a10d77a47db39">l4_ipc_error</a></div><div class="ttdeci">l4_umword_t l4_ipc_error(l4_msgtag_t tag, l4_utcb_t *utcb) L4_NOTHROW</div><div class="ttdoc">Get the IPC error code for an IPC operation.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2ipc_8h_source.html#l00629">ipc.h:629</a></div></div>
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<div class="ttc" id="agroup__l4__memory__api_html_ga415999acc1a1410058a0134524e61381"><div class="ttname"><a href="group__l4__memory__api.html#ga415999acc1a1410058a0134524e61381">L4_SUPERPAGESIZE</a></div><div class="ttdeci">#define L4_SUPERPAGESIZE</div><div class="ttdoc">Size of a large page.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00418">consts.h:418</a></div></div>
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<div class="ttc" id="agroup__l4__memory__api_html_ga96e3b2d8e69308aecbb11d1d24f61662"><div class="ttname"><a href="group__l4__memory__api.html#ga96e3b2d8e69308aecbb11d1d24f61662">l4_round_page</a></div><div class="ttdeci">l4_addr_t l4_round_page(l4_addr_t address) L4_NOTHROW</div><div class="ttdoc">Round address up to the next page.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00473">consts.h:473</a></div></div>
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<div class="ttc" id="agroup__l4__memory__api_html_gabecf862d8b8f39ad28af45d7fc949dd5"><div class="ttname"><a href="group__l4__memory__api.html#gabecf862d8b8f39ad28af45d7fc949dd5">L4_PAGESIZE</a></div><div class="ttdeci">#define L4_PAGESIZE</div><div class="ttdoc">Minimal page size (in bytes).</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00391">consts.h:391</a></div></div>
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<div class="ttc" id="agroup__l4__memory__api_html_gad2f7e71d6265b2735f730dc90c54539a"><div class="ttname"><a href="group__l4__memory__api.html#gad2f7e71d6265b2735f730dc90c54539a">L4_PAGESHIFT</a></div><div class="ttdeci">#define L4_PAGESHIFT</div><div class="ttdoc">Size of a page, log2-based.</div><div class="ttdef"><b>Definition</b> <a href="arm_2l4_2sys_2consts_8h_source.html#l00026">consts.h:26</a></div></div>
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<div class="ttc" id="agroup__l4__memory__api_html_gada503e18c03360343a05db1cab7280ec"><div class="ttname"><a href="group__l4__memory__api.html#gada503e18c03360343a05db1cab7280ec">L4_PAGEMASK</a></div><div class="ttdeci">#define L4_PAGEMASK</div><div class="ttdoc">Mask for the page number.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00400">consts.h:400</a></div></div>
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<div class="ttc" id="agroup__l4__utcb__api_html_gadc099b4a59e1d99638c72c11a8c8b644"><div class="ttname"><a href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a></div><div class="ttdeci">l4_utcb_t * l4_utcb(void) L4_NOTHROW L4_PURE</div><div class="ttdoc">Get the UTCB address.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00346">utcb.h:346</a></div></div>
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<div class="ttc" id="agroup__l4util__atomic_html_ga929dc4219f96656545bb658d95b0c7c2"><div class="ttname"><a href="group__l4util__atomic.html#ga929dc4219f96656545bb658d95b0c7c2">l4util_cmpxchg</a></div><div class="ttdeci">int l4util_cmpxchg(volatile l4_umword_t *dest, l4_umword_t cmp_val, l4_umword_t new_val)</div><div class="ttdoc">Atomic compare and exchange (machine wide fields).</div><div class="ttdef"><b>Definition</b> <a href="l4_2util_2atomic_8h_source.html#l00379">atomic.h:379</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_gae37bcd45875b27b302320e6b9580191d"><div class="ttname"><a href="group__l4virtio__transport.html#gae37bcd45875b27b302320e6b9580191d">l4virtio_get_feature</a></div><div class="ttdeci">unsigned l4virtio_get_feature(l4_uint32_t *feature_map, unsigned feat)</div><div class="ttdoc">Check if the given bit in a feature map is set.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00296">virtio.h:296</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_gga04d41de4eccf6a17dec99cade7eeeef3a0247a950583f983f0e9b84da44d0d66c"><div class="ttname"><a href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a0247a950583f983f0e9b84da44d0d66c">L4VIRTIO_STATUS_DRIVER</a></div><div class="ttdeci">@ L4VIRTIO_STATUS_DRIVER</div><div class="ttdoc">Guest OS knows how to drive device.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00090">virtio.h:90</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_gga04d41de4eccf6a17dec99cade7eeeef3a225e3a6f7f06eb28e5e420a9b4b709a0"><div class="ttname"><a href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a225e3a6f7f06eb28e5e420a9b4b709a0">L4VIRTIO_STATUS_ACKNOWLEDGE</a></div><div class="ttdeci">@ L4VIRTIO_STATUS_ACKNOWLEDGE</div><div class="ttdoc">Guest OS has found device.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00089">virtio.h:89</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_gga04d41de4eccf6a17dec99cade7eeeef3a721e61e1e260f44191a711e7c7fe2a7f"><div class="ttname"><a href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3a721e61e1e260f44191a711e7c7fe2a7f">L4VIRTIO_STATUS_FEATURES_OK</a></div><div class="ttdeci">@ L4VIRTIO_STATUS_FEATURES_OK</div><div class="ttdoc">Driver has acknowledged feature set.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00092">virtio.h:92</a></div></div>
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<div class="ttc" id="agroup__l4virtio__transport_html_gga04d41de4eccf6a17dec99cade7eeeef3af125ea36199e52dbee0f8b67c4787496"><div class="ttname"><a href="group__l4virtio__transport.html#gga04d41de4eccf6a17dec99cade7eeeef3af125ea36199e52dbee0f8b67c4787496">L4VIRTIO_STATUS_DRIVER_OK</a></div><div class="ttdeci">@ L4VIRTIO_STATUS_DRIVER_OK</div><div class="ttdoc">Driver is set up.</div><div class="ttdef"><b>Definition</b> <a href="virtio_8h_source.html#l00091">virtio.h:91</a></div></div>
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<div class="ttc" id="al4_2sys_2consts_8h_html"><div class="ttname"><a href="l4_2sys_2consts_8h.html">consts.h</a></div><div class="ttdoc">Common constants.</div></div>
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<div class="ttc" id="al4_2util_2atomic_8h_html"><div class="ttname"><a href="l4_2util_2atomic_8h.html">atomic.h</a></div><div class="ttdoc">atomic operations header and generic implementations</div></div>
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<div class="ttc" id="anamespaceL4Re_1_1Util_html_a0c4ee77222764600950f2ebe23a1e45a"><div class="ttname"><a href="namespaceL4Re_1_1Util.html#a0c4ee77222764600950f2ebe23a1e45a">L4Re::Util::make_unique_cap</a></div><div class="ttdeci">Unique_cap< T > make_unique_cap()</div><div class="ttdoc">Allocate a capability slot and wrap it in an Unique_cap.</div><div class="ttdef"><b>Definition</b> <a href="util_2unique__cap_source.html#l00055">unique_cap:55</a></div></div>
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<div class="ttc" id="anamespaceL4Re_1_1Util_html_a0efccd325a19246334922e58dd973914"><div class="ttname"><a href="namespaceL4Re_1_1Util.html#a0efccd325a19246334922e58dd973914">L4Re::Util::Unique_cap</a></div><div class="ttdeci">L4::Detail::Unique_cap_impl< T, Smart_cap_auto< L4_FP_ALL_SPACES > > Unique_cap</div><div class="ttdoc">Unique capability that implements automatic free and unmap of the capability selector.</div><div class="ttdef"><b>Definition</b> <a href="util_2unique__cap_source.html#l00043">unique_cap:43</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="anamespaceL4_1_1Ipc_html_aa6b9422f850eb175240c9d18c5cc708c"><div class="ttname"><a href="namespaceL4_1_1Ipc.html#aa6b9422f850eb175240c9d18c5cc708c">L4::Ipc::make_cap_rw</a></div><div class="ttdeci">Cap< T > make_cap_rw(L4::Cap< T > cap) noexcept</div><div class="ttdoc">Make an L4::Ipc::Cap<T> for the given capability with L4_CAP_FPAGE_RW rights.</div><div class="ttdef"><b>Definition</b> <a href="ipc__types_source.html#l00795">ipc_types:795</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="#l00026">l4virtio:26</a></div></div>
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<div class="ttc" id="asemaphore_html"><div class="ttname"><a href="semaphore.html">semaphore</a></div><div class="ttdoc">Semaphore class definition.</div></div>
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<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a579e389b46e438a64f3f44d9cf19f26a">L4Re::Rm::F::RW</a></div><div class="ttdeci">@ RW</div><div class="ttdoc">Readable and writable region.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00139">rm:139</a></div></div>
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<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a067b0bc28378717b6962241c621caa0a">L4Re::Rm::F::Search_addr</a></div><div class="ttdeci">@ Search_addr</div><div class="ttdoc">Search for a suitable address range.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00114">rm:114</a></div></div>
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<div class="ttc" id="autil_2unique__cap_html"><div class="ttname"><a href="util_2unique__cap.html">unique_cap</a></div><div class="ttdoc">Unique_cap / Unique_del_cap.</div></div>
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<li class="navelem"><b>l4</b></li><li class="navelem"><b>l4virtio</b></li><li class="navelem"><b>client</b></li><li class="navelem"><b>l4virtio</b></li>
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