1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Hardware Locality (hwloc): cuda.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">Hardware Locality (hwloc)
 <span id="projectnumber">2.4.1</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('',false,false,'search.php','Search');
});
/* @license-end */</script>
<div id="main-nav"></div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_5cb306d949c7931a3b6c77517393dd34.html">hwloc</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">cuda.h</div> </div>
</div><!--header-->
<div class="contents">
<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 © 2010-2020 Inria. All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright © 2010-2011 Université Bordeaux</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright © 2011 Cisco Systems, Inc. All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * See COPYING in top-level directory.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef HWLOC_CUDA_H</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#define HWLOC_CUDA_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "hwloc.h"</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "hwloc/autogen/config.h"</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "hwloc/helper.h"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifdef HWLOC_LINUX_SYS</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "hwloc/linux.h"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <cuda.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="l00046"></a><span class="lineno"> 46</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="a00225.html#ga1084285e8ff8b7df91c28917637481c6"> 47</a></span> <a class="code" href="a00225.html#ga1084285e8ff8b7df91c28917637481c6">hwloc_cuda_get_device_pci_ids</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology __hwloc_attribute_unused,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  CUdevice cudevice, <span class="keywordtype">int</span> *domain, <span class="keywordtype">int</span> *bus, <span class="keywordtype">int</span> *dev)</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  CUresult cres;</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="preprocessor">#if CUDA_VERSION >= 4000</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  cres = cuDeviceGetAttribute(domain, CU_DEVICE_ATTRIBUTE_PCI_DOMAIN_ID, cudevice);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (cres != CUDA_SUCCESS) {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  errno = ENOSYS;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  *domain = 0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  cres = cuDeviceGetAttribute(bus, CU_DEVICE_ATTRIBUTE_PCI_BUS_ID, cudevice);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (cres != CUDA_SUCCESS) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  errno = ENOSYS;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  cres = cuDeviceGetAttribute(dev, CU_DEVICE_ATTRIBUTE_PCI_DEVICE_ID, cudevice);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (cres != CUDA_SUCCESS) {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  errno = ENOSYS;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> -1;</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>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">static</span> __hwloc_inline <span class="keywordtype">int</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="a00225.html#gaec41c6b4dc3361156beb7dea2a74f5a3"> 92</a></span> <a class="code" href="a00225.html#gaec41c6b4dc3361156beb7dea2a74f5a3">hwloc_cuda_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="l00093"></a><span class="lineno"> 93</span>  CUdevice cudevice, <a class="code" href="a00189.html#ga4bbf39b68b6f568fb92739e7c0ea7801">hwloc_cpuset_t</a> set)</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#ifdef HWLOC_LINUX_SYS</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</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="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#define HWLOC_CUDA_DEVICE_SYSFS_PATH_MAX 128</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">char</span> path[HWLOC_CUDA_DEVICE_SYSFS_PATH_MAX];</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">int</span> domainid, busid, deviceid;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (<a class="code" href="a00225.html#ga1084285e8ff8b7df91c28917637481c6">hwloc_cuda_get_device_pci_ids</a>(topology, cudevice, &domainid, &busid, &deviceid))</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</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="l00105"></a><span class="lineno"> 105</span>  errno = EINVAL;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> -1;</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>  sprintf(path, <span class="stringliteral">"/sys/bus/pci/devices/%04x:%02x:%02x.0/local_cpus"</span>, domainid, busid, deviceid);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</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="l00111"></a><span class="lineno"> 111</span>  || <a class="code" href="a00211.html#ga5b64be28f5a7176ed8ad0d6a90bdf108">hwloc_bitmap_iszero</a>(set))</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</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="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">/* Non-Linux systems simply get a full cpuset */</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</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="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00244.html">hwloc_obj_t</a></div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="a00225.html#ga11fed607fa404e29e8da010f3ec128e4"> 131</a></span> <a class="code" href="a00225.html#ga11fed607fa404e29e8da010f3ec128e4">hwloc_cuda_get_device_pcidev</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, CUdevice cudevice)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">int</span> domain, bus, dev;</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="keywordflow">if</span> (<a class="code" href="a00225.html#ga1084285e8ff8b7df91c28917637481c6">hwloc_cuda_get_device_pci_ids</a>(topology, cudevice, &domain, &bus, &dev))</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> <a class="code" href="a00210.html#gacdbaf0db98872e224b7883a84bfb0455">hwloc_get_pcidev_by_busid</a>(topology, domain, bus, dev, 0);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00244.html">hwloc_obj_t</a></div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="a00225.html#ga252cb72175f1a2d682f883a0add80a66"> 157</a></span> <a class="code" href="a00225.html#ga252cb72175f1a2d682f883a0add80a66">hwloc_cuda_get_device_osdev</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, CUdevice cudevice)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> osdev = NULL;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> domain, bus, dev;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (<a class="code" href="a00225.html#ga1084285e8ff8b7df91c28917637481c6">hwloc_cuda_get_device_pci_ids</a>(topology, cudevice, &domain, &bus, &dev))</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  osdev = NULL;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</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="l00167"></a><span class="lineno"> 167</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="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (strncmp(osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, <span class="stringliteral">"cuda"</span>, 4))</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (pcidev</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</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="l00172"></a><span class="lineno"> 172</span>  && (<span class="keywordtype">int</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> == domain</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  && (<span class="keywordtype">int</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> == bus</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  && (<span class="keywordtype">int</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> == dev</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</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> == 0)</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> osdev;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">/* if PCI are filtered out, we need a info attr to match on */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> }</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">static</span> __hwloc_inline <a class="code" href="a00244.html">hwloc_obj_t</a></div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="a00225.html#ga12ee892994ed037e8f64bbffda02cf2e"> 199</a></span> <a class="code" href="a00225.html#ga12ee892994ed037e8f64bbffda02cf2e">hwloc_cuda_get_device_osdev_by_index</a>(<a class="code" href="a00192.html#ga9d1e76ee15a7dee158b786c30b6a6e38">hwloc_topology_t</a> topology, <span class="keywordtype">unsigned</span> idx)</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="a00244.html">hwloc_obj_t</a> osdev = NULL;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</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="l00203"></a><span class="lineno"> 203</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="l00204"></a><span class="lineno"> 204</span>  && osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  && !strncmp(<span class="stringliteral">"cuda"</span>, osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a>, 4)</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  && atoi(osdev-><a class="code" href="a00244.html#abb709ec38f2970677e4e57d1d30be96d">name</a> + 4) == (<span class="keywordtype">int</span>) idx)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> osdev;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> } <span class="comment">/* extern "C" */</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </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="preprocessor">#endif </span><span class="comment">/* HWLOC_CUDA_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="aa00210_html_gacdbaf0db98872e224b7883a84bfb0455"><div class="ttname"><a href="a00210.html#gacdbaf0db98872e224b7883a84bfb0455">hwloc_get_pcidev_by_busid</a></div><div class="ttdeci">static hwloc_obj_t hwloc_get_pcidev_by_busid(hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)</div><div class="ttdoc">Find the PCI device object matching the PCI bus id given domain, bus device and function PCI bus id.</div><div class="ttdef"><b>Definition:</b> helper.h:1114</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="aa00225_html_ga1084285e8ff8b7df91c28917637481c6"><div class="ttname"><a href="a00225.html#ga1084285e8ff8b7df91c28917637481c6">hwloc_cuda_get_device_pci_ids</a></div><div class="ttdeci">static int hwloc_cuda_get_device_pci_ids(hwloc_topology_t topology, CUdevice cudevice, int *domain, int *bus, int *dev)</div><div class="ttdoc">Return the domain, bus and device IDs of the CUDA device cudevice.</div><div class="ttdef"><b>Definition:</b> cuda.h:47</div></div>
<div class="ttc" id="aa00225_html_ga11fed607fa404e29e8da010f3ec128e4"><div class="ttname"><a href="a00225.html#ga11fed607fa404e29e8da010f3ec128e4">hwloc_cuda_get_device_pcidev</a></div><div class="ttdeci">static hwloc_obj_t hwloc_cuda_get_device_pcidev(hwloc_topology_t topology, CUdevice cudevice)</div><div class="ttdoc">Get the hwloc PCI device object corresponding to the CUDA device cudevice.</div><div class="ttdef"><b>Definition:</b> cuda.h:131</div></div>
<div class="ttc" id="aa00225_html_ga12ee892994ed037e8f64bbffda02cf2e"><div class="ttname"><a href="a00225.html#ga12ee892994ed037e8f64bbffda02cf2e">hwloc_cuda_get_device_osdev_by_index</a></div><div class="ttdeci">static hwloc_obj_t hwloc_cuda_get_device_osdev_by_index(hwloc_topology_t topology, unsigned idx)</div><div class="ttdoc">Get the hwloc OS device object corresponding to the CUDA device whose index is idx.</div><div class="ttdef"><b>Definition:</b> cuda.h:199</div></div>
<div class="ttc" id="aa00225_html_ga252cb72175f1a2d682f883a0add80a66"><div class="ttname"><a href="a00225.html#ga252cb72175f1a2d682f883a0add80a66">hwloc_cuda_get_device_osdev</a></div><div class="ttdeci">static hwloc_obj_t hwloc_cuda_get_device_osdev(hwloc_topology_t topology, CUdevice cudevice)</div><div class="ttdoc">Get the hwloc OS device object corresponding to CUDA device cudevice.</div><div class="ttdef"><b>Definition:</b> cuda.h:157</div></div>
<div class="ttc" id="aa00225_html_gaec41c6b4dc3361156beb7dea2a74f5a3"><div class="ttname"><a href="a00225.html#gaec41c6b4dc3361156beb7dea2a74f5a3">hwloc_cuda_get_device_cpuset</a></div><div class="ttdeci">static int hwloc_cuda_get_device_cpuset(hwloc_topology_t topology, CUdevice cudevice, hwloc_cpuset_t set)</div><div class="ttdoc">Get the CPU set of processors that are physically close to device cudevice.</div><div class="ttdef"><b>Definition:</b> cuda.h:92</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><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
</small></address>
</body>
</html>
|
