48 	 * @range_alloc: Allocate a GPU SVM range (optional)
51 	 * Allocate a GPU SVM range.
53 	 * Return: Pointer to the allocated GPU SVM range on success, NULL on failure.
58 	 * @range_free: Free a GPU SVM range (optional)
59 	 * @range: Pointer to the GPU SVM range to be freed
61 	 * Free a GPU SVM range.
63 	void (*range_free)(struct drm_gpusvm_range *range);
71 	 * Invalidate the GPU page tables. It can safely walk the notifier range
138  *            Note this is assuming only one drm_pagemap per range is allowed.
139  * @notifier_seq: Notifier sequence number of the range's pages
140  * @flags: Flags for range
141  * @flags.migrate_devmem: Flag indicating whether the range can be migrated to device memory
142  * @flags.unmapped: Flag indicating if the range has been unmapped
143  * @flags.partial_unmap: Flag indicating if the range has been partially unmapped
144  * @flags.has_devmem_pages: Flag indicating if the range has devmem pages
145  * @flags.has_dma_mapping: Flag indicating if the range has a DMA mapping
155  * struct drm_gpusvm_range - Structure representing a GPU SVM range
159  * @refcount: Reference count for the range
160  * @itree: Interval tree node for the range (inserted in GPU SVM notifier)
162  * @pages: The pages for this range.
164  * This structure represents a GPU SVM range used for tracking memory ranges
183  * @mm_range: Range of the GPU SVM
186  * @chunk_sizes: Pointer to the array of chunk sizes used in range allocation.
276 			     struct drm_gpusvm_range *range);
279 			   struct drm_gpusvm_range *range);
282 drm_gpusvm_range_get(struct drm_gpusvm_range *range);
284 void drm_gpusvm_range_put(struct drm_gpusvm_range *range);
287 				  struct drm_gpusvm_range *range);
290 			       struct drm_gpusvm_range *range,
294 				  struct drm_gpusvm_range *range,
308 void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range,
340 			  "GPUSVM range lock should be set only once."))\
366  * drm_gpusvm_range_start() - GPU SVM range start address
367  * @range: Pointer to the GPU SVM range
369  * Return: GPU SVM range start address
372 drm_gpusvm_range_start(struct drm_gpusvm_range *range)  in drm_gpusvm_range_start()  argument
374 	return range->itree.start;  in drm_gpusvm_range_start()
378  * drm_gpusvm_range_end() - GPU SVM range end address
379  * @range: Pointer to the GPU SVM range
381  * Return: GPU SVM range end address
384 drm_gpusvm_range_end(struct drm_gpusvm_range *range)  in drm_gpusvm_range_end()  argument
386 	return range->itree.last + 1;  in drm_gpusvm_range_end()
390  * drm_gpusvm_range_size() - GPU SVM range size
391  * @range: Pointer to the GPU SVM range
393  * Return: GPU SVM range size
396 drm_gpusvm_range_size(struct drm_gpusvm_range *range)  in drm_gpusvm_range_size()  argument
398 	return drm_gpusvm_range_end(range) - drm_gpusvm_range_start(range);  in drm_gpusvm_range_size()
439  * __drm_gpusvm_range_next() - Get the next GPU SVM range in the list
440  * @range: a pointer to the current GPU SVM range
443  *         current range is the last one or if the input range is NULL.
446 __drm_gpusvm_range_next(struct drm_gpusvm_range *range)  in __drm_gpusvm_range_next()  argument
448 	if (range && !list_is_last(&range->entry,  in __drm_gpusvm_range_next()
449 				   &range->notifier->range_list))  in __drm_gpusvm_range_next()
450 		return list_next_entry(range, entry);  in __drm_gpusvm_range_next()
458  *	     the iterator. If NULL, call drm_gpusvm_range_find() to get the range.
460  * @start__: Start address of the range
461  * @end__: End address of the range
477  * @start__: Start address of the range
478  * @end__: End address of the range