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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 © 2013 Inria. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * See COPYING in top-level directory.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> */</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef HWLOC_INTEL_MIC_H</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define HWLOC_INTEL_MIC_H</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <hwloc.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <hwloc/autogen/config.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <hwloc/helper.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifdef HWLOC_LINUX_SYS</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <hwloc/linux.h></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <dirent.h></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</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> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="a00196.html#ga91bafa51abe81527f72437e24ad5944e"> 58</a></span> <a class="code" href="a00196.html#ga91bafa51abe81527f72437e24ad5944e">hwloc_intel_mic_get_device_cpuset</a>(<a class="code" href="a00165.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology __hwloc_attribute_unused,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">int</span> idx __hwloc_attribute_unused,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="a00162.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a> <span class="keyword">set</span>)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#ifdef HWLOC_LINUX_SYS</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">/* If we're on Linux, use the sysfs mechanism to get the local cpus */</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define HWLOC_INTEL_MIC_DEVICE_SYSFS_PATH_MAX 128</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">char</span> path[HWLOC_INTEL_MIC_DEVICE_SYSFS_PATH_MAX];</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  DIR *sysdir = NULL;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  FILE *sysfile = NULL;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">struct </span>dirent *dirent;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">unsigned</span> pcibus, pcidev, pcifunc;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (!<a class="code" href="a00166.html#ga68ffdcfd9175cdf40709801092f18017">hwloc_topology_is_thissystem</a>(topology)) {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  errno = EINVAL;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  sprintf(path, <span class="stringliteral">"/sys/class/mic/mic%d"</span>, idx);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  sysdir = opendir(path);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (!sysdir)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> -1;</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>  <span class="keywordflow">while</span> ((dirent = readdir(sysdir)) != NULL) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (sscanf(dirent->d_name, <span class="stringliteral">"pci_%02x:%02x.%02x"</span>, &pcibus, &pcidev, &pcifunc) == 3) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  sprintf(path, <span class="stringliteral">"/sys/class/mic/mic%d/pci_%02x:%02x.%02x/local_cpus"</span>, idx, pcibus, pcidev, pcifunc);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  sysfile = fopen(path, <span class="stringliteral">"r"</span>);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (!sysfile) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  closedir(sysdir);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="a00187.html#gaa5a608236c3c0757b0b79818f1d429fb">hwloc_linux_parse_cpumap_file</a>(sysfile, <span class="keyword">set</span>);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (<a class="code" href="a00186.html#ga5b64be28f5a7176ed8ad0d6a90bdf108">hwloc_bitmap_iszero</a>(<span class="keyword">set</span>))</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="a00186.html#ga036068a22d1aa5cb9ff1df348b525ff3">hwloc_bitmap_copy</a>(<span class="keyword">set</span>, <a class="code" href="a00182.html#ga69fbad44c685e46d80ecf51a714ba9ce">hwloc_topology_get_complete_cpuset</a>(topology));</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  fclose(sysfile);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  closedir(sysdir);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">/* Non-Linux systems simply get a full cpuset */</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="a00186.html#ga036068a22d1aa5cb9ff1df348b525ff3">hwloc_bitmap_copy</a>(<span class="keyword">set</span>, <a class="code" href="a00182.html#ga69fbad44c685e46d80ecf51a714ba9ce">hwloc_topology_get_complete_cpuset</a>(topology));</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00216.html">hwloc_obj_t</a></div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="a00196.html#gabce0465e853de74be84cafcb96dd48ab"> 121</a></span> <a class="code" href="a00196.html#gabce0465e853de74be84cafcb96dd48ab">hwloc_intel_mic_get_device_osdev_by_index</a>(<a class="code" href="a00165.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology,</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">unsigned</span> idx)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="a00216.html">hwloc_obj_t</a> osdev = NULL;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">while</span> ((osdev = <a class="code" href="a00185.html#ga8b4584c8949e2c5f1c97ba7fe92b8145">hwloc_get_next_osdev</a>(topology, osdev)) != NULL) {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (<a class="code" href="a00163.html#gga64f5d539df299c97ae80ce53fc4b56c0a46f8927e1c3e137eaa86cc8f6861fb83">HWLOC_OBJ_OSDEV_COPROC</a> == osdev-><a class="code" href="a00216.html#accd40e29f71f19e88db62ea3df02adc8">attr</a>-><a class="code" href="a00220.html#a22904c25fe44b323bab5c9bc52660fca">osdev</a>.<a class="code" href="a00252.html#a31e019e27e54ac6138d04be639bb96f9">type</a></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  && osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  && !strncmp(<span class="stringliteral">"mic"</span>, osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, 3)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  && atoi(osdev-><a class="code" href="a00216.html#abb709ec38f2970677e4e57d1d30be96d">name</a> + 3) == (<span class="keywordtype">int</span>) idx)</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> osdev;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> } <span class="comment">/* extern "C" */</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#endif </span><span class="comment">/* HWLOC_INTEL_MIC_H */</span><span class="preprocessor"></span></div><div class="ttc" id="a00162_html_ga4bbf39b68b6f568fb92739e7c0ea7801"><div class="ttname"><a href="a00162.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:125</div></div>
<div class="ttc" id="a00185_html_ga8b4584c8949e2c5f1c97ba7fe92b8145"><div class="ttname"><a href="a00185.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:1252</div></div>
<div class="ttc" id="a00216_html_abb709ec38f2970677e4e57d1d30be96d"><div class="ttname"><a href="a00216.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:353</div></div>
<div class="ttc" id="a00186_html_ga036068a22d1aa5cb9ff1df348b525ff3"><div class="ttname"><a href="a00186.html#ga036068a22d1aa5cb9ff1df348b525ff3">hwloc_bitmap_copy</a></div><div class="ttdeci">void 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="a00216_html_accd40e29f71f19e88db62ea3df02adc8"><div class="ttname"><a href="a00216.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:360</div></div>
<div class="ttc" id="a00166_html_ga68ffdcfd9175cdf40709801092f18017"><div class="ttname"><a href="a00166.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="a00163_html_gga64f5d539df299c97ae80ce53fc4b56c0a46f8927e1c3e137eaa86cc8f6861fb83"><div class="ttname"><a href="a00163.html#gga64f5d539df299c97ae80ce53fc4b56c0a46f8927e1c3e137eaa86cc8f6861fb83">HWLOC_OBJ_OSDEV_COPROC</a></div><div class="ttdoc">Operating system co-processor device. For instance "mic0" for a Xeon Phi (MIC) on Linux...</div><div class="ttdef"><b>Definition:</b> hwloc.h:284</div></div>
<div class="ttc" id="a00252_html_a31e019e27e54ac6138d04be639bb96f9"><div class="ttname"><a href="a00252.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:543</div></div>
<div class="ttc" id="a00220_html_a22904c25fe44b323bab5c9bc52660fca"><div class="ttname"><a href="a00220.html#a22904c25fe44b323bab5c9bc52660fca">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="a00196_html_gabce0465e853de74be84cafcb96dd48ab"><div class="ttname"><a href="a00196.html#gabce0465e853de74be84cafcb96dd48ab">hwloc_intel_mic_get_device_osdev_by_index</a></div><div class="ttdeci">static hwloc_obj_t hwloc_intel_mic_get_device_osdev_by_index(hwloc_topology_t topology, unsigned idx)</div><div class="ttdoc">Get the hwloc OS device object corresponding to the MIC device for the given index. </div><div class="ttdef"><b>Definition:</b> intel-mic.h:121</div></div>
<div class="ttc" id="a00165_html_ga9d1e76ee15a7dee158b786c30b6a6e38"><div class="ttname"><a href="a00165.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:609</div></div>
<div class="ttc" id="a00182_html_ga69fbad44c685e46d80ecf51a714ba9ce"><div class="ttname"><a href="a00182.html#ga69fbad44c685e46d80ecf51a714ba9ce">hwloc_topology_get_complete_cpuset</a></div><div class="ttdeci">static hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)</div><div class="ttdoc">Get complete CPU set. </div><div class="ttdef"><b>Definition:</b> helper.h:803</div></div>
<div class="ttc" id="a00216_html"><div class="ttname"><a href="a00216.html">hwloc_obj</a></div><div class="ttdoc">Structure of a topology object. </div><div class="ttdef"><b>Definition:</b> hwloc.h:345</div></div>
<div class="ttc" id="a00187_html_gaa5a608236c3c0757b0b79818f1d429fb"><div class="ttname"><a href="a00187.html#gaa5a608236c3c0757b0b79818f1d429fb">hwloc_linux_parse_cpumap_file</a></div><div class="ttdeci">int hwloc_linux_parse_cpumap_file(FILE *file, hwloc_cpuset_t set)</div><div class="ttdoc">Convert a linux kernel cpumap file file into hwloc CPU set. </div></div>
<div class="ttc" id="a00196_html_ga91bafa51abe81527f72437e24ad5944e"><div class="ttname"><a href="a00196.html#ga91bafa51abe81527f72437e24ad5944e">hwloc_intel_mic_get_device_cpuset</a></div><div class="ttdeci">static int hwloc_intel_mic_get_device_cpuset(hwloc_topology_t topology, int idx, hwloc_cpuset_t set)</div><div class="ttdoc">Get the CPU set of logical processors that are physically close to MIC device whose index is idx...</div><div class="ttdef"><b>Definition:</b> intel-mic.h:58</div></div>
<div class="ttc" id="a00186_html_ga5b64be28f5a7176ed8ad0d6a90bdf108"><div class="ttname"><a href="a00186.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>
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