This source file includes following definitions.
- hwloc_get_first_largest_obj_inside_cpuset
- hwloc_get_next_obj_inside_cpuset_by_depth
- hwloc_get_next_obj_inside_cpuset_by_type
- hwloc_get_obj_inside_cpuset_by_depth
- hwloc_get_obj_inside_cpuset_by_type
- hwloc_get_nbobjs_inside_cpuset_by_depth
- hwloc_get_nbobjs_inside_cpuset_by_type
- hwloc_get_obj_index_inside_cpuset
- hwloc_get_child_covering_cpuset
- hwloc_get_obj_covering_cpuset
- hwloc_get_next_obj_covering_cpuset_by_depth
- hwloc_get_next_obj_covering_cpuset_by_type
- hwloc_get_ancestor_obj_by_depth
- hwloc_get_ancestor_obj_by_type
- hwloc_get_common_ancestor_obj
- hwloc_obj_is_in_subtree
- hwloc_get_next_child
- hwloc_get_cache_type_depth
- hwloc_get_cache_covering_cpuset
- hwloc_get_shared_cache_covering_obj
- hwloc_get_pu_obj_by_os_index
- hwloc_get_numanode_obj_by_os_index
- hwloc_get_obj_below_by_type
- hwloc_get_obj_below_array_by_type
- hwloc_distrib
- hwloc_topology_get_complete_cpuset
- hwloc_cpuset_from_nodeset
- hwloc_get_non_io_ancestor_obj
- hwloc_get_next_pcidev
- hwloc_get_pcidev_by_busid
- hwloc_get_pcidev_by_busidstring
- hwloc_get_next_osdev
- hwloc_get_next_bridge
- hwloc_bridge_covers_pcibus
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13 #ifndef HWLOC_HELPER_H
14 #define HWLOC_HELPER_H
15
16 #ifndef HWLOC_H
17 #error Please include the main hwloc.h instead
18 #endif
19
20 #include <stdlib.h>
21 #include <errno.h>
22
23
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
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40
41 static __hwloc_inline hwloc_obj_t
42 hwloc_get_first_largest_obj_inside_cpuset(hwloc_topology_t topology, hwloc_const_cpuset_t set)
43 {
44 hwloc_obj_t obj = hwloc_get_root_obj(topology);
45 if (!hwloc_bitmap_intersects(obj->cpuset, set))
46 return NULL;
47 while (!hwloc_bitmap_isincluded(obj->cpuset, set)) {
48
49 hwloc_obj_t child = obj->first_child;
50 while (child) {
51 if (hwloc_bitmap_intersects(child->cpuset, set))
52 break;
53 child = child->next_sibling;
54 }
55 if (!child)
56
57 return obj;
58
59 obj = child;
60 }
61
62 return obj;
63 }
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67
68
69 HWLOC_DECLSPEC int hwloc_get_largest_objs_inside_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set,
70 hwloc_obj_t * __hwloc_restrict objs, int max);
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83
84 static __hwloc_inline hwloc_obj_t
85 hwloc_get_next_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
86 int depth, hwloc_obj_t prev)
87 {
88 hwloc_obj_t next = hwloc_get_next_obj_by_depth(topology, depth, prev);
89 if (!next)
90 return NULL;
91 while (next && (hwloc_bitmap_iszero(next->cpuset) || !hwloc_bitmap_isincluded(next->cpuset, set)))
92 next = next->next_cousin;
93 return next;
94 }
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107
108 static __hwloc_inline hwloc_obj_t
109 hwloc_get_next_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
110 hwloc_obj_type_t type, hwloc_obj_t prev)
111 {
112 int depth = hwloc_get_type_depth(topology, type);
113 if (depth == HWLOC_TYPE_DEPTH_UNKNOWN || depth == HWLOC_TYPE_DEPTH_MULTIPLE)
114 return NULL;
115 return hwloc_get_next_obj_inside_cpuset_by_depth(topology, set, depth, prev);
116 }
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125
126 static __hwloc_inline hwloc_obj_t
127 hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
128 int depth, unsigned idx) __hwloc_attribute_pure;
129 static __hwloc_inline hwloc_obj_t
130 hwloc_get_obj_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
131 int depth, unsigned idx)
132 {
133 hwloc_obj_t obj = hwloc_get_obj_by_depth (topology, depth, 0);
134 unsigned count = 0;
135 if (!obj)
136 return NULL;
137 while (obj) {
138 if (!hwloc_bitmap_iszero(obj->cpuset) && hwloc_bitmap_isincluded(obj->cpuset, set)) {
139 if (count == idx)
140 return obj;
141 count++;
142 }
143 obj = obj->next_cousin;
144 }
145 return NULL;
146 }
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159
160 static __hwloc_inline hwloc_obj_t
161 hwloc_get_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
162 hwloc_obj_type_t type, unsigned idx) __hwloc_attribute_pure;
163 static __hwloc_inline hwloc_obj_t
164 hwloc_get_obj_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
165 hwloc_obj_type_t type, unsigned idx)
166 {
167 int depth = hwloc_get_type_depth(topology, type);
168 if (depth == HWLOC_TYPE_DEPTH_UNKNOWN || depth == HWLOC_TYPE_DEPTH_MULTIPLE)
169 return NULL;
170 return hwloc_get_obj_inside_cpuset_by_depth(topology, set, depth, idx);
171 }
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180
181 static __hwloc_inline unsigned
182 hwloc_get_nbobjs_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
183 int depth) __hwloc_attribute_pure;
184 static __hwloc_inline unsigned
185 hwloc_get_nbobjs_inside_cpuset_by_depth (hwloc_topology_t topology, hwloc_const_cpuset_t set,
186 int depth)
187 {
188 hwloc_obj_t obj = hwloc_get_obj_by_depth (topology, depth, 0);
189 unsigned count = 0;
190 if (!obj)
191 return 0;
192 while (obj) {
193 if (!hwloc_bitmap_iszero(obj->cpuset) && hwloc_bitmap_isincluded(obj->cpuset, set))
194 count++;
195 obj = obj->next_cousin;
196 }
197 return count;
198 }
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211
212 static __hwloc_inline int
213 hwloc_get_nbobjs_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
214 hwloc_obj_type_t type) __hwloc_attribute_pure;
215 static __hwloc_inline int
216 hwloc_get_nbobjs_inside_cpuset_by_type (hwloc_topology_t topology, hwloc_const_cpuset_t set,
217 hwloc_obj_type_t type)
218 {
219 int depth = hwloc_get_type_depth(topology, type);
220 if (depth == HWLOC_TYPE_DEPTH_UNKNOWN)
221 return 0;
222 if (depth == HWLOC_TYPE_DEPTH_MULTIPLE)
223 return -1;
224 return (int) hwloc_get_nbobjs_inside_cpuset_by_depth(topology, set, depth);
225 }
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240 static __hwloc_inline int
241 hwloc_get_obj_index_inside_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
242 hwloc_obj_t obj) __hwloc_attribute_pure;
243 static __hwloc_inline int
244 hwloc_get_obj_index_inside_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
245 hwloc_obj_t obj)
246 {
247 int idx = 0;
248 if (!hwloc_bitmap_isincluded(obj->cpuset, set))
249 return -1;
250
251 while ((obj = obj->prev_cousin) != NULL)
252 if (!hwloc_bitmap_iszero(obj->cpuset) && hwloc_bitmap_isincluded(obj->cpuset, set))
253 idx++;
254 return idx;
255 }
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271 static __hwloc_inline hwloc_obj_t
272 hwloc_get_child_covering_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
273 hwloc_obj_t parent) __hwloc_attribute_pure;
274 static __hwloc_inline hwloc_obj_t
275 hwloc_get_child_covering_cpuset (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_const_cpuset_t set,
276 hwloc_obj_t parent)
277 {
278 hwloc_obj_t child;
279 if (hwloc_bitmap_iszero(set))
280 return NULL;
281 child = parent->first_child;
282 while (child) {
283 if (child->cpuset && hwloc_bitmap_isincluded(set, child->cpuset))
284 return child;
285 child = child->next_sibling;
286 }
287 return NULL;
288 }
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294 static __hwloc_inline hwloc_obj_t
295 hwloc_get_obj_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) __hwloc_attribute_pure;
296 static __hwloc_inline hwloc_obj_t
297 hwloc_get_obj_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set)
298 {
299 struct hwloc_obj *current = hwloc_get_root_obj(topology);
300 if (hwloc_bitmap_iszero(set) || !hwloc_bitmap_isincluded(set, current->cpuset))
301 return NULL;
302 while (1) {
303 hwloc_obj_t child = hwloc_get_child_covering_cpuset(topology, set, current);
304 if (!child)
305 return current;
306 current = child;
307 }
308 }
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320 static __hwloc_inline hwloc_obj_t
321 hwloc_get_next_obj_covering_cpuset_by_depth(hwloc_topology_t topology, hwloc_const_cpuset_t set,
322 int depth, hwloc_obj_t prev)
323 {
324 hwloc_obj_t next = hwloc_get_next_obj_by_depth(topology, depth, prev);
325 if (!next)
326 return NULL;
327 while (next && !hwloc_bitmap_intersects(set, next->cpuset))
328 next = next->next_cousin;
329 return next;
330 }
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347 static __hwloc_inline hwloc_obj_t
348 hwloc_get_next_obj_covering_cpuset_by_type(hwloc_topology_t topology, hwloc_const_cpuset_t set,
349 hwloc_obj_type_t type, hwloc_obj_t prev)
350 {
351 int depth = hwloc_get_type_depth(topology, type);
352 if (depth == HWLOC_TYPE_DEPTH_UNKNOWN || depth == HWLOC_TYPE_DEPTH_MULTIPLE)
353 return NULL;
354 return hwloc_get_next_obj_covering_cpuset_by_depth(topology, set, depth, prev);
355 }
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371 static __hwloc_inline hwloc_obj_t
372 hwloc_get_ancestor_obj_by_depth (hwloc_topology_t topology __hwloc_attribute_unused, int depth, hwloc_obj_t obj) __hwloc_attribute_pure;
373 static __hwloc_inline hwloc_obj_t
374 hwloc_get_ancestor_obj_by_depth (hwloc_topology_t topology __hwloc_attribute_unused, int depth, hwloc_obj_t obj)
375 {
376 hwloc_obj_t ancestor = obj;
377 if (obj->depth < depth)
378 return NULL;
379 while (ancestor && ancestor->depth > depth)
380 ancestor = ancestor->parent;
381 return ancestor;
382 }
383
384
385 static __hwloc_inline hwloc_obj_t
386 hwloc_get_ancestor_obj_by_type (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_type_t type, hwloc_obj_t obj) __hwloc_attribute_pure;
387 static __hwloc_inline hwloc_obj_t
388 hwloc_get_ancestor_obj_by_type (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_type_t type, hwloc_obj_t obj)
389 {
390 hwloc_obj_t ancestor = obj->parent;
391 while (ancestor && ancestor->type != type)
392 ancestor = ancestor->parent;
393 return ancestor;
394 }
395
396
397 static __hwloc_inline hwloc_obj_t
398 hwloc_get_common_ancestor_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj1, hwloc_obj_t obj2) __hwloc_attribute_pure;
399 static __hwloc_inline hwloc_obj_t
400 hwloc_get_common_ancestor_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj1, hwloc_obj_t obj2)
401 {
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406
407 while (obj1 != obj2) {
408 while (obj1->depth > obj2->depth)
409 obj1 = obj1->parent;
410 while (obj2->depth > obj1->depth)
411 obj2 = obj2->parent;
412 if (obj1 != obj2 && obj1->depth == obj2->depth) {
413 obj1 = obj1->parent;
414 obj2 = obj2->parent;
415 }
416 }
417 return obj1;
418 }
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424
425 static __hwloc_inline int
426 hwloc_obj_is_in_subtree (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj, hwloc_obj_t subtree_root) __hwloc_attribute_pure;
427 static __hwloc_inline int
428 hwloc_obj_is_in_subtree (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj, hwloc_obj_t subtree_root)
429 {
430 return obj->cpuset && subtree_root->cpuset && hwloc_bitmap_isincluded(obj->cpuset, subtree_root->cpuset);
431 }
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443 static __hwloc_inline hwloc_obj_t
444 hwloc_get_next_child (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t parent, hwloc_obj_t prev)
445 {
446 hwloc_obj_t obj;
447 int state = 0;
448 if (prev) {
449 if (prev->type == HWLOC_OBJ_MISC)
450 state = 3;
451 else if (prev->type == HWLOC_OBJ_BRIDGE || prev->type == HWLOC_OBJ_PCI_DEVICE || prev->type == HWLOC_OBJ_OS_DEVICE)
452 state = 2;
453 else if (prev->type == HWLOC_OBJ_NUMANODE)
454 state = 1;
455 obj = prev->next_sibling;
456 } else {
457 obj = parent->first_child;
458 }
459 if (!obj && state == 0) {
460 obj = parent->memory_first_child;
461 state = 1;
462 }
463 if (!obj && state == 1) {
464 obj = parent->io_first_child;
465 state = 2;
466 }
467 if (!obj && state == 2) {
468 obj = parent->misc_first_child;
469 state = 3;
470 }
471 return obj;
472 }
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500 HWLOC_DECLSPEC int
501 hwloc_obj_type_is_normal(hwloc_obj_type_t type);
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511 HWLOC_DECLSPEC int
512 hwloc_obj_type_is_io(hwloc_obj_type_t type);
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522 HWLOC_DECLSPEC int
523 hwloc_obj_type_is_memory(hwloc_obj_type_t type);
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529 HWLOC_DECLSPEC int
530 hwloc_obj_type_is_cache(hwloc_obj_type_t type);
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536 HWLOC_DECLSPEC int
537 hwloc_obj_type_is_dcache(hwloc_obj_type_t type);
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543 HWLOC_DECLSPEC int
544 hwloc_obj_type_is_icache(hwloc_obj_type_t type);
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575 static __hwloc_inline int
576 hwloc_get_cache_type_depth (hwloc_topology_t topology,
577 unsigned cachelevel, hwloc_obj_cache_type_t cachetype)
578 {
579 int depth;
580 int found = HWLOC_TYPE_DEPTH_UNKNOWN;
581 for (depth=0; ; depth++) {
582 hwloc_obj_t obj = hwloc_get_obj_by_depth(topology, depth, 0);
583 if (!obj)
584 break;
585 if (!hwloc_obj_type_is_dcache(obj->type) || obj->attr->cache.depth != cachelevel)
586
587 continue;
588 if (cachetype == (hwloc_obj_cache_type_t) -1) {
589 if (found != HWLOC_TYPE_DEPTH_UNKNOWN) {
590
591 return HWLOC_TYPE_DEPTH_MULTIPLE;
592 }
593
594 found = depth;
595 continue;
596 }
597 if (obj->attr->cache.type == cachetype || obj->attr->cache.type == HWLOC_OBJ_CACHE_UNIFIED)
598
599 return depth;
600 }
601
602 return found;
603 }
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609 static __hwloc_inline hwloc_obj_t
610 hwloc_get_cache_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set) __hwloc_attribute_pure;
611 static __hwloc_inline hwloc_obj_t
612 hwloc_get_cache_covering_cpuset (hwloc_topology_t topology, hwloc_const_cpuset_t set)
613 {
614 hwloc_obj_t current = hwloc_get_obj_covering_cpuset(topology, set);
615 while (current) {
616 if (hwloc_obj_type_is_dcache(current->type))
617 return current;
618 current = current->parent;
619 }
620 return NULL;
621 }
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626
627 static __hwloc_inline hwloc_obj_t
628 hwloc_get_shared_cache_covering_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj) __hwloc_attribute_pure;
629 static __hwloc_inline hwloc_obj_t
630 hwloc_get_shared_cache_covering_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t obj)
631 {
632 hwloc_obj_t current = obj->parent;
633 if (!obj->cpuset)
634 return NULL;
635 while (current) {
636 if (!hwloc_bitmap_isequal(current->cpuset, obj->cpuset)
637 && hwloc_obj_type_is_dcache(current->type))
638 return current;
639 current = current->parent;
640 }
641 return NULL;
642 }
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666 static __hwloc_inline hwloc_obj_t
667 hwloc_get_pu_obj_by_os_index(hwloc_topology_t topology, unsigned os_index) __hwloc_attribute_pure;
668 static __hwloc_inline hwloc_obj_t
669 hwloc_get_pu_obj_by_os_index(hwloc_topology_t topology, unsigned os_index)
670 {
671 hwloc_obj_t obj = NULL;
672 while ((obj = hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_PU, obj)) != NULL)
673 if (obj->os_index == os_index)
674 return obj;
675 return NULL;
676 }
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687 static __hwloc_inline hwloc_obj_t
688 hwloc_get_numanode_obj_by_os_index(hwloc_topology_t topology, unsigned os_index) __hwloc_attribute_pure;
689 static __hwloc_inline hwloc_obj_t
690 hwloc_get_numanode_obj_by_os_index(hwloc_topology_t topology, unsigned os_index)
691 {
692 hwloc_obj_t obj = NULL;
693 while ((obj = hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_NUMANODE, obj)) != NULL)
694 if (obj->os_index == os_index)
695 return obj;
696 return NULL;
697 }
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711 HWLOC_DECLSPEC unsigned hwloc_get_closest_objs (hwloc_topology_t topology, hwloc_obj_t src, hwloc_obj_t * __hwloc_restrict objs, unsigned max);
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725 static __hwloc_inline hwloc_obj_t
726 hwloc_get_obj_below_by_type (hwloc_topology_t topology,
727 hwloc_obj_type_t type1, unsigned idx1,
728 hwloc_obj_type_t type2, unsigned idx2) __hwloc_attribute_pure;
729 static __hwloc_inline hwloc_obj_t
730 hwloc_get_obj_below_by_type (hwloc_topology_t topology,
731 hwloc_obj_type_t type1, unsigned idx1,
732 hwloc_obj_type_t type2, unsigned idx2)
733 {
734 hwloc_obj_t obj;
735 obj = hwloc_get_obj_by_type (topology, type1, idx1);
736 if (!obj)
737 return NULL;
738 return hwloc_get_obj_inside_cpuset_by_type(topology, obj->cpuset, type2, idx2);
739 }
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759 static __hwloc_inline hwloc_obj_t
760 hwloc_get_obj_below_array_by_type (hwloc_topology_t topology, int nr, hwloc_obj_type_t *typev, unsigned *idxv) __hwloc_attribute_pure;
761 static __hwloc_inline hwloc_obj_t
762 hwloc_get_obj_below_array_by_type (hwloc_topology_t topology, int nr, hwloc_obj_type_t *typev, unsigned *idxv)
763 {
764 hwloc_obj_t obj = hwloc_get_root_obj(topology);
765 int i;
766 for(i=0; i<nr; i++) {
767 if (!obj)
768 return NULL;
769 obj = hwloc_get_obj_inside_cpuset_by_type(topology, obj->cpuset, typev[i], idxv[i]);
770 }
771 return obj;
772 }
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784 enum hwloc_distrib_flags_e {
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788 HWLOC_DISTRIB_FLAG_REVERSE = (1UL<<0)
789 };
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814 static __hwloc_inline int
815 hwloc_distrib(hwloc_topology_t topology,
816 hwloc_obj_t *roots, unsigned n_roots,
817 hwloc_cpuset_t *set,
818 unsigned n,
819 int until, unsigned long flags)
820 {
821 unsigned i;
822 unsigned tot_weight;
823 unsigned given, givenweight;
824 hwloc_cpuset_t *cpusetp = set;
825
826 if (flags & ~HWLOC_DISTRIB_FLAG_REVERSE) {
827 errno = EINVAL;
828 return -1;
829 }
830
831 tot_weight = 0;
832 for (i = 0; i < n_roots; i++)
833 tot_weight += (unsigned) hwloc_bitmap_weight(roots[i]->cpuset);
834
835 for (i = 0, given = 0, givenweight = 0; i < n_roots; i++) {
836 unsigned chunk, weight;
837 hwloc_obj_t root = roots[flags & HWLOC_DISTRIB_FLAG_REVERSE ? n_roots-1-i : i];
838 hwloc_cpuset_t cpuset = root->cpuset;
839 if (root->type == HWLOC_OBJ_NUMANODE)
840
841 root = root->parent;
842 weight = (unsigned) hwloc_bitmap_weight(cpuset);
843 if (!weight)
844 continue;
845
846
847 chunk = (( (givenweight+weight) * n + tot_weight-1) / tot_weight)
848 - (( givenweight * n + tot_weight-1) / tot_weight);
849 if (!root->arity || chunk <= 1 || root->depth >= until) {
850
851 if (chunk) {
852
853 unsigned j;
854 for (j=0; j < chunk; j++)
855 cpusetp[j] = hwloc_bitmap_dup(cpuset);
856 } else {
857
858
859
860
861 assert(given);
862 hwloc_bitmap_or(cpusetp[-1], cpusetp[-1], cpuset);
863 }
864 } else {
865
866 hwloc_distrib(topology, root->children, root->arity, cpusetp, chunk, until, flags);
867 }
868 cpusetp += chunk;
869 given += chunk;
870 givenweight += weight;
871 }
872
873 return 0;
874 }
875
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892
893 HWLOC_DECLSPEC hwloc_const_cpuset_t
894 hwloc_topology_get_complete_cpuset(hwloc_topology_t topology) __hwloc_attribute_pure;
895
896
897
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899
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904
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907 HWLOC_DECLSPEC hwloc_const_cpuset_t
908 hwloc_topology_get_topology_cpuset(hwloc_topology_t topology) __hwloc_attribute_pure;
909
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925
926 HWLOC_DECLSPEC hwloc_const_cpuset_t
927 hwloc_topology_get_allowed_cpuset(hwloc_topology_t topology) __hwloc_attribute_pure;
928
929
930
931
932
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937
938 HWLOC_DECLSPEC hwloc_const_nodeset_t
939 hwloc_topology_get_complete_nodeset(hwloc_topology_t topology) __hwloc_attribute_pure;
940
941
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943
944
945
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951
952 HWLOC_DECLSPEC hwloc_const_nodeset_t
953 hwloc_topology_get_topology_nodeset(hwloc_topology_t topology) __hwloc_attribute_pure;
954
955
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970
971 HWLOC_DECLSPEC hwloc_const_nodeset_t
972 hwloc_topology_get_allowed_nodeset(hwloc_topology_t topology) __hwloc_attribute_pure;
973
974
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992
993 static __hwloc_inline int
994 hwloc_cpuset_to_nodeset(hwloc_topology_t topology, hwloc_const_cpuset_t _cpuset, hwloc_nodeset_t nodeset)
995 {
996 int depth = hwloc_get_type_depth(topology, HWLOC_OBJ_NUMANODE);
997 hwloc_obj_t obj = NULL;
998 assert(depth != HWLOC_TYPE_DEPTH_UNKNOWN);
999 hwloc_bitmap_zero(nodeset);
1000 while ((obj = hwloc_get_next_obj_covering_cpuset_by_depth(topology, _cpuset, depth, obj)) != NULL)
1001 if (hwloc_bitmap_set(nodeset, obj->os_index) < 0)
1002 return -1;
1003 return 0;
1004 }
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014 static __hwloc_inline int
1015 hwloc_cpuset_from_nodeset(hwloc_topology_t topology, hwloc_cpuset_t _cpuset, hwloc_const_nodeset_t nodeset)
1016 {
1017 int depth = hwloc_get_type_depth(topology, HWLOC_OBJ_NUMANODE);
1018 hwloc_obj_t obj = NULL;
1019 assert(depth != HWLOC_TYPE_DEPTH_UNKNOWN);
1020 hwloc_bitmap_zero(_cpuset);
1021 while ((obj = hwloc_get_next_obj_by_depth(topology, depth, obj)) != NULL) {
1022 if (hwloc_bitmap_isset(nodeset, obj->os_index))
1023
1024 if (hwloc_bitmap_or(_cpuset, _cpuset, obj->cpuset) < 0)
1025 return -1;
1026 }
1027 return 0;
1028 }
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
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1045
1046
1047
1048
1049 static __hwloc_inline hwloc_obj_t
1050 hwloc_get_non_io_ancestor_obj(hwloc_topology_t topology __hwloc_attribute_unused,
1051 hwloc_obj_t ioobj)
1052 {
1053 hwloc_obj_t obj = ioobj;
1054 while (obj && !obj->cpuset) {
1055 obj = obj->parent;
1056 }
1057 return obj;
1058 }
1059
1060
1061
1062
1063
1064 static __hwloc_inline hwloc_obj_t
1065 hwloc_get_next_pcidev(hwloc_topology_t topology, hwloc_obj_t prev)
1066 {
1067 return hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_PCI_DEVICE, prev);
1068 }
1069
1070
1071
1072
1073 static __hwloc_inline hwloc_obj_t
1074 hwloc_get_pcidev_by_busid(hwloc_topology_t topology,
1075 unsigned domain, unsigned bus, unsigned dev, unsigned func)
1076 {
1077 hwloc_obj_t obj = NULL;
1078 while ((obj = hwloc_get_next_pcidev(topology, obj)) != NULL) {
1079 if (obj->attr->pcidev.domain == domain
1080 && obj->attr->pcidev.bus == bus
1081 && obj->attr->pcidev.dev == dev
1082 && obj->attr->pcidev.func == func)
1083 return obj;
1084 }
1085 return NULL;
1086 }
1087
1088
1089
1090
1091 static __hwloc_inline hwloc_obj_t
1092 hwloc_get_pcidev_by_busidstring(hwloc_topology_t topology, const char *busid)
1093 {
1094 unsigned domain = 0;
1095 unsigned bus, dev, func;
1096
1097 if (sscanf(busid, "%x:%x.%x", &bus, &dev, &func) != 3
1098 && sscanf(busid, "%x:%x:%x.%x", &domain, &bus, &dev, &func) != 4) {
1099 errno = EINVAL;
1100 return NULL;
1101 }
1102
1103 return hwloc_get_pcidev_by_busid(topology, domain, bus, dev, func);
1104 }
1105
1106
1107
1108
1109
1110 static __hwloc_inline hwloc_obj_t
1111 hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)
1112 {
1113 return hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_OS_DEVICE, prev);
1114 }
1115
1116
1117
1118
1119
1120 static __hwloc_inline hwloc_obj_t
1121 hwloc_get_next_bridge(hwloc_topology_t topology, hwloc_obj_t prev)
1122 {
1123 return hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_BRIDGE, prev);
1124 }
1125
1126
1127
1128 static __hwloc_inline int
1129 hwloc_bridge_covers_pcibus(hwloc_obj_t bridge,
1130 unsigned domain, unsigned bus)
1131 {
1132 return bridge->type == HWLOC_OBJ_BRIDGE
1133 && bridge->attr->bridge.downstream_type == HWLOC_OBJ_BRIDGE_PCI
1134 && bridge->attr->bridge.downstream.pci.domain == domain
1135 && bridge->attr->bridge.downstream.pci.secondary_bus <= bus
1136 && bridge->attr->bridge.downstream.pci.subordinate_bus >= bus;
1137 }
1138
1139
1140
1141
1142
1143 #ifdef __cplusplus
1144 }
1145 #endif
1146
1147
1148 #endif