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 <span id="projectnumber">2.4.1</span>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright © 2012-2021 Inria. All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright © 2013, 2018 Université Bordeaux. All right reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * See COPYING in top-level directory.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef HWLOC_OPENCL_H</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define HWLOC_OPENCL_H</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "hwloc.h"</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "hwloc/autogen/config.h"</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "hwloc/helper.h"</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifdef HWLOC_LINUX_SYS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "hwloc/linux.h"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifdef __APPLE__</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <OpenCL/cl.h></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <CL/cl.h></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">/* OpenCL extensions aren't always shipped with default headers, and</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * they don't always reflect what the installed implementations support.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Try everything and let the implementation return errors when non supported.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">/* Copyright (c) 2008-2018 The Khronos Group Inc. */</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">/* needs "cl_amd_device_attribute_query" device extension, but not strictly required for clGetDeviceInfo() */</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define HWLOC_CL_DEVICE_TOPOLOGY_AMD 0x4037</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="a00328.html"> 46</a></span> <span class="keyword">typedef</span> <span class="keyword">union </span>{</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="a00328.html#afbd6b814607b06fc5b2f36ad14420398"> 47</a></span>  <span class="keyword">struct </span>{ cl_uint type; cl_uint data[5]; } raw;</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="a00328.html#a4a23e3cc034b7ab105cab0e863dcab69"> 48</a></span>  <span class="keyword">struct </span>{ cl_uint type; cl_char unused[17]; cl_char <a class="code" href="a00328.html#a4a23e3cc034b7ab105cab0e863dcab69">bus</a>; cl_char device; cl_char <span class="keyword">function</span>; } pcie;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> } <a class="code" href="a00328.html">hwloc_cl_device_topology_amd</a>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#define HWLOC_CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD 1</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/* needs "cl_nv_device_attribute_query" device extension, but not strictly required for clGetDeviceInfo() */</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define HWLOC_CL_DEVICE_PCI_BUS_ID_NV 0x4008</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define HWLOC_CL_DEVICE_PCI_SLOT_ID_NV 0x4009</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define HWLOC_CL_DEVICE_PCI_DOMAIN_ID_NV 0x400A</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="a00224.html#gab89e4d20f8a353299351b41849e35ac9"> 74</a></span> <a class="code" href="a00224.html#gab89e4d20f8a353299351b41849e35ac9">hwloc_opencl_get_device_pci_busid</a>(cl_device_id device,</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">unsigned</span> *domain, <span class="keywordtype">unsigned</span> *bus, <span class="keywordtype">unsigned</span> *dev, <span class="keywordtype">unsigned</span> *func)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="a00328.html">hwloc_cl_device_topology_amd</a> amdtopo;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  cl_uint nvbus, nvslot, nvdomain;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  cl_int clret;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_TOPOLOGY_AMD, <span class="keyword">sizeof</span>(amdtopo), &amdtopo, NULL);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (CL_SUCCESS == clret</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  && HWLOC_CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD == amdtopo.<a class="code" href="a00328.html#a7bba6ab297b6f44e43c5937b80b4cfb6">raw</a>.<a class="code" href="a00328.html#a8ec4ea89b862bb271845b48063f332b4">type</a>) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  *domain = 0; <span class="comment">/* can't do anything better */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">/* cl_device_topology_amd stores bus ID in cl_char, dont convert those signed char directly to unsigned int */</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  *bus = (unsigned) (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) amdtopo.<a class="code" href="a00328.html#a05e9a845012cd9d1f13a39cc35ab40a1">pcie</a>.<a class="code" href="a00328.html#a4a23e3cc034b7ab105cab0e863dcab69">bus</a>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  *dev = (unsigned) (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) amdtopo.<a class="code" href="a00328.html#a05e9a845012cd9d1f13a39cc35ab40a1">pcie</a>.<a class="code" href="a00328.html#a017033a953d71455b067007cabb92e9c">device</a>;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  *func = (unsigned) (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>) amdtopo.<a class="code" href="a00328.html#a05e9a845012cd9d1f13a39cc35ab40a1">pcie</a>.<a class="code" href="a00328.html#a77a67ac73cff98d330ef7258b240bac3">function</a>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_BUS_ID_NV, <span class="keyword">sizeof</span>(nvbus), &nvbus, NULL);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (CL_SUCCESS == clret) {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_SLOT_ID_NV, <span class="keyword">sizeof</span>(nvslot), &nvslot, NULL);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (CL_SUCCESS == clret) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_DOMAIN_ID_NV, <span class="keyword">sizeof</span>(nvdomain), &nvdomain, NULL);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (CL_SUCCESS == clret) { <span class="comment">/* available since CUDA 10.2 */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  *domain = nvdomain;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  *domain = 0;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  *bus = nvbus & 0xff;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">/* non-documented but used in many other projects */</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  *dev = nvslot >> 3;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  *func = nvslot & 0x7;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="a00224.html#gacc32737d4648d16b0d292438f210ec90"> 131</a></span> <a class="code" href="a00224.html#gacc32737d4648d16b0d292438f210ec90">hwloc_opencl_get_device_cpuset</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology __hwloc_attribute_unused,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  cl_device_id device __hwloc_attribute_unused,</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="a00189.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a> set)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#if (defined HWLOC_LINUX_SYS)</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">/* If we're on Linux, try AMD/NVIDIA extensions + the sysfs mechanism to get the local cpus */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#define HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX 128</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">char</span> path[HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX];</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">unsigned</span> pcidomain, pcibus, pcidev, pcifunc;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (!<a class="code" href="a00199.html#ga68ffdcfd9175cdf40709801092f18017">hwloc_topology_is_thissystem</a>(topology)) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  errno = EINVAL;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (<a class="code" href="a00224.html#gab89e4d20f8a353299351b41849e35ac9">hwloc_opencl_get_device_pci_busid</a>(device, &pcidomain, &pcibus, &pcidev, &pcifunc) < 0) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="a00211.html#ga72a29824798b48784b8217471ec8f14c">hwloc_bitmap_copy</a>(set, <a class="code" href="a00208.html#gaee30e03391c1ed7dfd617fb5c7bbb033">hwloc_topology_get_complete_cpuset</a>(topology));</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  sprintf(path, <span class="stringliteral">"/sys/bus/pci/devices/%04x:%02x:%02x.%01x/local_cpus"</span>, pcidomain, pcibus, pcidev, pcifunc);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (<a class="code" href="a00220.html#gaf72d83e273803226ce772973e37b85de">hwloc_linux_read_path_as_cpumask</a>(path, set) < 0</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  || <a class="code" href="a00211.html#ga5b64be28f5a7176ed8ad0d6a90bdf108">hwloc_bitmap_iszero</a>(set))</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="a00211.html#ga72a29824798b48784b8217471ec8f14c">hwloc_bitmap_copy</a>(set, <a class="code" href="a00208.html#gaee30e03391c1ed7dfd617fb5c7bbb033">hwloc_topology_get_complete_cpuset</a>(topology));</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">/* Non-Linux systems simply get a full cpuset */</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="a00211.html#ga72a29824798b48784b8217471ec8f14c">hwloc_bitmap_copy</a>(set, <a class="code" href="a00208.html#gaee30e03391c1ed7dfd617fb5c7bbb033">hwloc_topology_get_complete_cpuset</a>(topology));</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00244.html">hwloc_obj_t</a></div>
<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="a00224.html#gae39352d124cb330eb37b84b418ed6cc5"> 178</a></span> <a class="code" href="a00224.html#gae39352d124cb330eb37b84b418ed6cc5">hwloc_opencl_get_device_osdev_by_index</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology,</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">unsigned</span> platform_index, <span class="keywordtype">unsigned</span> device_index)</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">unsigned</span> x = (unsigned) -1, y = (<span class="keywordtype">unsigned</span>) -1;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> osdev = NULL;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">while</span> ((osdev = <a class="code" href="a00210.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a>(topology, osdev)) != NULL) {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (<a class="code" href="a00190.html#gga64f5d539df299c97ae80ce53fc4b56c0a46f8927e1c3e137eaa86cc8f6861fb83">HWLOC_OBJ_OSDEV_COPROC</a> == osdev-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#aaf7a5c38b5185703ff18c46ad2761dcf">osdev</a>.<a class="code" href="a00288.html#a31e019e27e54ac6138d04be639bb96f9">type</a></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  && osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  && sscanf(osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, <span class="stringliteral">"opencl%ud%u"</span>, &x, &y) == 2</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  && platform_index == x && device_index == y)</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> osdev;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00244.html">hwloc_obj_t</a></div>
<div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="a00224.html#gadabfa6516aa12e5d8f79b9b4dd9f3cf8"> 214</a></span> <a class="code" href="a00224.html#gadabfa6516aa12e5d8f79b9b4dd9f3cf8">hwloc_opencl_get_device_osdev</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology __hwloc_attribute_unused,</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  cl_device_id device __hwloc_attribute_unused)</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> {</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> osdev;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordtype">unsigned</span> pcidomain, pcibus, pcidevice, pcifunc;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (<a class="code" href="a00224.html#gab89e4d20f8a353299351b41849e35ac9">hwloc_opencl_get_device_pci_busid</a>(device, &pcidomain, &pcibus, &pcidevice, &pcifunc) < 0) {</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  errno = EINVAL;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  osdev = NULL;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">while</span> ((osdev = <a class="code" href="a00210.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a>(topology, osdev)) != NULL) {</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> pcidev = osdev-><a class="code" href="a00244.html#adc494f6aed939992be1c55cca5822900">parent</a>;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (strncmp(osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, <span class="stringliteral">"opencl"</span>, 6))</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (pcidev</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  && pcidev-><a class="code" href="a00244.html#acc4f0803f244867e68fe0036800be5de">type</a> == <a class="code" href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a5d8117a54df1fbd3606ab19e42cb0ea9">HWLOC_OBJ_PCI_DEVICE</a></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  && pcidev-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#a0b66da7ab072f7c016f8ed86701f5a7c">pcidev</a>.<a class="code" href="a00268.html#a8fba44988deb98613c1505a4019a34dc">domain</a> == pcidomain</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  && pcidev-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#a0b66da7ab072f7c016f8ed86701f5a7c">pcidev</a>.<a class="code" href="a00268.html#aae99e035e8d1387d7b8768aaa8eceb0a">bus</a> == pcibus</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  && pcidev-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#a0b66da7ab072f7c016f8ed86701f5a7c">pcidev</a>.<a class="code" href="a00268.html#a3d70c84a12f7e93d14c8d47bf4fd9dc5">dev</a> == pcidevice</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  && pcidev-><a class="code" href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00248.html#a0b66da7ab072f7c016f8ed86701f5a7c">pcidev</a>.<a class="code" href="a00268.html#a695f32df53f4ef728670bfcf31b74e0f">func</a> == pcifunc)</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> osdev;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">/* if PCI are filtered out, we need a info attr to match on */</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> } <span class="comment">/* extern "C" */</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor">#endif </span><span class="comment">/* HWLOC_OPENCL_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="aa00189_html_ga4bbf39b68b6f568fb92739e7c0ea7801"><div class="ttname"><a href="a00189.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a></div><div class="ttdeci">hwloc_bitmap_t hwloc_cpuset_t</div><div class="ttdoc">A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.</div><div class="ttdef"><b>Definition:</b> hwloc.h:140</div></div>
<div class="ttc" id="aa00190_html_gga64f5d539df299c97ae80ce53fc4b56c0a46f8927e1c3e137eaa86cc8f6861fb83"><div class="ttname"><a href="a00190.html#gga64f5d539df299c97ae80ce53fc4b56c0a46f8927e1c3e137eaa86cc8f6861fb83">HWLOC_OBJ_OSDEV_COPROC</a></div><div class="ttdeci">@ HWLOC_OBJ_OSDEV_COPROC</div><div class="ttdoc">Operating system co-processor device. For instance "opencl0d0" for a OpenCL device,...</div><div class="ttdef"><b>Definition:</b> hwloc.h:352</div></div>
<div class="ttc" id="aa00190_html_ggacd37bb612667dc437d66bfb175a8dc55a5d8117a54df1fbd3606ab19e42cb0ea9"><div class="ttname"><a href="a00190.html#ggacd37bb612667dc437d66bfb175a8dc55a5d8117a54df1fbd3606ab19e42cb0ea9">HWLOC_OBJ_PCI_DEVICE</a></div><div class="ttdeci">@ HWLOC_OBJ_PCI_DEVICE</div><div class="ttdoc">PCI device (filtered out by default).</div><div class="ttdef"><b>Definition:</b> hwloc.h:269</div></div>
<div class="ttc" id="aa00192_html_ga9d1e76ee15a7dee158b786c30b6a6e38"><div class="ttname"><a href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a></div><div class="ttdeci">struct hwloc_topology * hwloc_topology_t</div><div class="ttdoc">Topology context.</div><div class="ttdef"><b>Definition:</b> hwloc.h:691</div></div>
<div class="ttc" id="aa00199_html_ga68ffdcfd9175cdf40709801092f18017"><div class="ttname"><a href="a00199.html#ga68ffdcfd9175cdf40709801092f18017">hwloc_topology_is_thissystem</a></div><div class="ttdeci">int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)</div><div class="ttdoc">Does the topology context come from this system?</div></div>
<div class="ttc" id="aa00208_html_gaee30e03391c1ed7dfd617fb5c7bbb033"><div class="ttname"><a href="a00208.html#gaee30e03391c1ed7dfd617fb5c7bbb033">hwloc_topology_get_complete_cpuset</a></div><div class="ttdeci">hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)</div><div class="ttdoc">Get complete CPU set.</div></div>
<div class="ttc" id="aa00210_html_ga8b4584c8949e2c5f1c97ba7fe92b8145"><div class="ttname"><a href="a00210.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a></div><div class="ttdeci">static hwloc_obj_t hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)</div><div class="ttdoc">Get the next OS device in the system.</div><div class="ttdef"><b>Definition:</b> helper.h:1151</div></div>
<div class="ttc" id="aa00211_html_ga5b64be28f5a7176ed8ad0d6a90bdf108"><div class="ttname"><a href="a00211.html#ga5b64be28f5a7176ed8ad0d6a90bdf108">hwloc_bitmap_iszero</a></div><div class="ttdeci">int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)</div><div class="ttdoc">Test whether bitmap bitmap is empty.</div></div>
<div class="ttc" id="aa00211_html_ga72a29824798b48784b8217471ec8f14c"><div class="ttname"><a href="a00211.html#ga72a29824798b48784b8217471ec8f14c">hwloc_bitmap_copy</a></div><div class="ttdeci">int hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src)</div><div class="ttdoc">Copy the contents of bitmap src into the already allocated bitmap dst.</div></div>
<div class="ttc" id="aa00220_html_gaf72d83e273803226ce772973e37b85de"><div class="ttname"><a href="a00220.html#gaf72d83e273803226ce772973e37b85de">hwloc_linux_read_path_as_cpumask</a></div><div class="ttdeci">int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set)</div><div class="ttdoc">Convert a linux kernel cpumask file path into a hwloc bitmap set.</div></div>
<div class="ttc" id="aa00224_html_gab89e4d20f8a353299351b41849e35ac9"><div class="ttname"><a href="a00224.html#gab89e4d20f8a353299351b41849e35ac9">hwloc_opencl_get_device_pci_busid</a></div><div class="ttdeci">static int hwloc_opencl_get_device_pci_busid(cl_device_id device, unsigned *domain, unsigned *bus, unsigned *dev, unsigned *func)</div><div class="ttdoc">Return the domain, bus and device IDs of the OpenCL device device.</div><div class="ttdef"><b>Definition:</b> opencl.h:74</div></div>
<div class="ttc" id="aa00224_html_gacc32737d4648d16b0d292438f210ec90"><div class="ttname"><a href="a00224.html#gacc32737d4648d16b0d292438f210ec90">hwloc_opencl_get_device_cpuset</a></div><div class="ttdeci">static int hwloc_opencl_get_device_cpuset(hwloc_topology_t topology, cl_device_id device, hwloc_cpuset_t set)</div><div class="ttdoc">Get the CPU set of processors that are physically close to OpenCL device device.</div><div class="ttdef"><b>Definition:</b> opencl.h:131</div></div>
<div class="ttc" id="aa00224_html_gadabfa6516aa12e5d8f79b9b4dd9f3cf8"><div class="ttname"><a href="a00224.html#gadabfa6516aa12e5d8f79b9b4dd9f3cf8">hwloc_opencl_get_device_osdev</a></div><div class="ttdeci">static hwloc_obj_t hwloc_opencl_get_device_osdev(hwloc_topology_t topology, cl_device_id device)</div><div class="ttdoc">Get the hwloc OS device object corresponding to OpenCL device deviceX.</div><div class="ttdef"><b>Definition:</b> opencl.h:214</div></div>
<div class="ttc" id="aa00224_html_gae39352d124cb330eb37b84b418ed6cc5"><div class="ttname"><a href="a00224.html#gae39352d124cb330eb37b84b418ed6cc5">hwloc_opencl_get_device_osdev_by_index</a></div><div class="ttdeci">static hwloc_obj_t hwloc_opencl_get_device_osdev_by_index(hwloc_topology_t topology, unsigned platform_index, unsigned device_index)</div><div class="ttdoc">Get the hwloc OS device object corresponding to the OpenCL device for the given indexes.</div><div class="ttdef"><b>Definition:</b> opencl.h:178</div></div>
<div class="ttc" id="aa00244_html"><div class="ttname"><a href="a00244.html">hwloc_obj</a></div><div class="ttdoc">Structure of a topology object.</div><div class="ttdef"><b>Definition:</b> hwloc.h:395</div></div>
<div class="ttc" id="aa00244_html_abb709ec38f2970677e4e57d1d30be96d"><div class="ttname"><a href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">hwloc_obj::name</a></div><div class="ttdeci">char * name</div><div class="ttdoc">Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...</div><div class="ttdef"><b>Definition:</b> hwloc.h:407</div></div>
<div class="ttc" id="aa00244_html_acc4f0803f244867e68fe0036800be5de"><div class="ttname"><a href="a00244.html#acc4f0803f244867e68fe0036800be5de">hwloc_obj::type</a></div><div class="ttdeci">hwloc_obj_type_t type</div><div class="ttdoc">Type of object.</div><div class="ttdef"><b>Definition:</b> hwloc.h:397</div></div>
<div class="ttc" id="aa00244_html_accd40e29f71f19e88db62ea3df02adc8"><div class="ttname"><a href="a00244.html#accd40e29f71f19e88db62ea3df02adc8">hwloc_obj::attr</a></div><div class="ttdeci">union hwloc_obj_attr_u * attr</div><div class="ttdoc">Object type-specific Attributes, may be NULL if no attribute value was found.</div><div class="ttdef"><b>Definition:</b> hwloc.h:414</div></div>
<div class="ttc" id="aa00244_html_adc494f6aed939992be1c55cca5822900"><div class="ttname"><a href="a00244.html#adc494f6aed939992be1c55cca5822900">hwloc_obj::parent</a></div><div class="ttdeci">struct hwloc_obj * parent</div><div class="ttdoc">Parent, NULL if root (Machine object)</div><div class="ttdef"><b>Definition:</b> hwloc.h:445</div></div>
<div class="ttc" id="aa00248_html_a0b66da7ab072f7c016f8ed86701f5a7c"><div class="ttname"><a href="a00248.html#a0b66da7ab072f7c016f8ed86701f5a7c">hwloc_obj_attr_u::pcidev</a></div><div class="ttdeci">struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev</div></div>
<div class="ttc" id="aa00248_html_aaf7a5c38b5185703ff18c46ad2761dcf"><div class="ttname"><a href="a00248.html#aaf7a5c38b5185703ff18c46ad2761dcf">hwloc_obj_attr_u::osdev</a></div><div class="ttdeci">struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev</div></div>
<div class="ttc" id="aa00268_html_a3d70c84a12f7e93d14c8d47bf4fd9dc5"><div class="ttname"><a href="a00268.html#a3d70c84a12f7e93d14c8d47bf4fd9dc5">hwloc_obj_attr_u::hwloc_pcidev_attr_s::dev</a></div><div class="ttdeci">unsigned char dev</div><div class="ttdef"><b>Definition:</b> hwloc.h:638</div></div>
<div class="ttc" id="aa00268_html_a695f32df53f4ef728670bfcf31b74e0f"><div class="ttname"><a href="a00268.html#a695f32df53f4ef728670bfcf31b74e0f">hwloc_obj_attr_u::hwloc_pcidev_attr_s::func</a></div><div class="ttdeci">unsigned char func</div><div class="ttdef"><b>Definition:</b> hwloc.h:638</div></div>
<div class="ttc" id="aa00268_html_a8fba44988deb98613c1505a4019a34dc"><div class="ttname"><a href="a00268.html#a8fba44988deb98613c1505a4019a34dc">hwloc_obj_attr_u::hwloc_pcidev_attr_s::domain</a></div><div class="ttdeci">unsigned short domain</div><div class="ttdef"><b>Definition:</b> hwloc.h:634</div></div>
<div class="ttc" id="aa00268_html_aae99e035e8d1387d7b8768aaa8eceb0a"><div class="ttname"><a href="a00268.html#aae99e035e8d1387d7b8768aaa8eceb0a">hwloc_obj_attr_u::hwloc_pcidev_attr_s::bus</a></div><div class="ttdeci">unsigned char bus</div><div class="ttdef"><b>Definition:</b> hwloc.h:638</div></div>
<div class="ttc" id="aa00288_html_a31e019e27e54ac6138d04be639bb96f9"><div class="ttname"><a href="a00288.html#a31e019e27e54ac6138d04be639bb96f9">hwloc_obj_attr_u::hwloc_osdev_attr_s::type</a></div><div class="ttdeci">hwloc_obj_osdev_type_t type</div><div class="ttdef"><b>Definition:</b> hwloc.h:665</div></div>
<div class="ttc" id="aa00328_html"><div class="ttname"><a href="a00328.html">hwloc_cl_device_topology_amd</a></div><div class="ttdef"><b>Definition:</b> opencl.h:46</div></div>
<div class="ttc" id="aa00328_html_a017033a953d71455b067007cabb92e9c"><div class="ttname"><a href="a00328.html#a017033a953d71455b067007cabb92e9c">hwloc_cl_device_topology_amd::device</a></div><div class="ttdeci">cl_char device</div><div class="ttdef"><b>Definition:</b> opencl.h:48</div></div>
<div class="ttc" id="aa00328_html_a05e9a845012cd9d1f13a39cc35ab40a1"><div class="ttname"><a href="a00328.html#a05e9a845012cd9d1f13a39cc35ab40a1">hwloc_cl_device_topology_amd::pcie</a></div><div class="ttdeci">struct hwloc_cl_device_topology_amd::@4 pcie</div></div>
<div class="ttc" id="aa00328_html_a4a23e3cc034b7ab105cab0e863dcab69"><div class="ttname"><a href="a00328.html#a4a23e3cc034b7ab105cab0e863dcab69">hwloc_cl_device_topology_amd::bus</a></div><div class="ttdeci">cl_char bus</div><div class="ttdef"><b>Definition:</b> opencl.h:48</div></div>
<div class="ttc" id="aa00328_html_a77a67ac73cff98d330ef7258b240bac3"><div class="ttname"><a href="a00328.html#a77a67ac73cff98d330ef7258b240bac3">hwloc_cl_device_topology_amd::function</a></div><div class="ttdeci">cl_char function</div><div class="ttdef"><b>Definition:</b> opencl.h:48</div></div>
<div class="ttc" id="aa00328_html_a7bba6ab297b6f44e43c5937b80b4cfb6"><div class="ttname"><a href="a00328.html#a7bba6ab297b6f44e43c5937b80b4cfb6">hwloc_cl_device_topology_amd::raw</a></div><div class="ttdeci">struct hwloc_cl_device_topology_amd::@3 raw</div></div>
<div class="ttc" id="aa00328_html_a8ec4ea89b862bb271845b48063f332b4"><div class="ttname"><a href="a00328.html#a8ec4ea89b862bb271845b48063f332b4">hwloc_cl_device_topology_amd::type</a></div><div class="ttdeci">cl_uint type</div><div class="ttdef"><b>Definition:</b> opencl.h:47</div></div>
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