drm/ttm/ttm_resource.h

31 #include <linux/iosys-map.h>
32 #include <linux/dma-fence.h>
66 	 * If the manager can't fulfill the request -ENOSPC should be returned.
99 	 * Test if @res intersects with @place + @size. Used to judge if
115 	 * Test if @res compatible with @place + @size. Used to check of
127 	 * @printer: Prefix to be used in printout to identify the caller.
130 	 * type manager to aid debugging of out-of-memory conditions.
141  * @use_tt: If a TT object should be used for the backing store.
146  * @move: The fence of the last pipelined move operation.
149  * This structure is used to identify and manage memory types for a device.
168 	 * Protected by the bdev->lru_lock.
173 	 * @usage: How much of the resources are used, protected by the
174 	 * bdev->lru_lock.
206  * Structure indicating the placement and space resources used by a
218 	 * @lru: Least recently used list, see &ttm_resource_manager.lru
238  * @last: last res in the bulk move range
244 	struct ttm_resource *last;  member
250  * @pos: first/last lru entry for resources in the each domain/priority
252  * Container for the current bulk move state. Should be used with
260  * struct ttm_kmap_iter_iomap - Specialization for a struct io_mapping +
266  * sg_dma_address(st->sgl) - @start == 0 for @iomap start.
270  * @cache.end: Last index + 1 of @sg. PAGE_SIZE granularity.
287  * struct ttm_kmap_iter_linear_io - Iterator specialization for linear io
302  * @used: usage state to set.
305  * used for object placement.
308 ttm_resource_manager_set_used(struct ttm_resource_manager *man, bool used)  in ttm_resource_manager_set_used()  argument
313 		WARN_ON(!list_empty(&man->lru[i]));  in ttm_resource_manager_set_used()
314 	man->use_type = used;  in ttm_resource_manager_set_used()
320  * @man: Manager to get used state for
324  * true is used, false if not.
328 	return man->use_type;  in ttm_resource_manager_used()
341 	dma_fence_put(man->move);  in ttm_resource_manager_cleanup()
342 	man->move = NULL;  in ttm_resource_manager_cleanup()
397  * ttm_resource_manager_for_each_res - iterate over all resources