diff options
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 10 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_kmap_iter.h | 10 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_resource.h | 35 |
3 files changed, 35 insertions, 20 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index c17b2df9178b..155b19ee12fb 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -47,7 +47,7 @@ struct ttm_global; struct ttm_device; -struct dma_buf_map; +struct iosys_map; struct drm_mm_node; @@ -481,17 +481,17 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map); * ttm_bo_vmap * * @bo: The buffer object. - * @map: pointer to a struct dma_buf_map representing the map. + * @map: pointer to a struct iosys_map representing the map. * * Sets up a kernel virtual mapping, using ioremap or vmap to the * data in the buffer object. The parameter @map returns the virtual - * address as struct dma_buf_map. Unmap the buffer with ttm_bo_vunmap(). + * address as struct iosys_map. Unmap the buffer with ttm_bo_vunmap(). * * Returns * -ENOMEM: Out of memory. * -EINVAL: Invalid range. */ -int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map); +int ttm_bo_vmap(struct ttm_buffer_object *bo, struct iosys_map *map); /** * ttm_bo_vunmap @@ -501,7 +501,7 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map); * * Unmaps a kernel map set up by ttm_bo_vmap(). */ -void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct dma_buf_map *map); +void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct iosys_map *map); /** * ttm_bo_mmap_obj - mmap memory backed by a ttm buffer object. diff --git a/include/drm/ttm/ttm_kmap_iter.h b/include/drm/ttm/ttm_kmap_iter.h index 8bb00fd39d6c..cc5c09a211b4 100644 --- a/include/drm/ttm/ttm_kmap_iter.h +++ b/include/drm/ttm/ttm_kmap_iter.h @@ -8,7 +8,7 @@ #include <linux/types.h> struct ttm_kmap_iter; -struct dma_buf_map; +struct iosys_map; /** * struct ttm_kmap_iter_ops - Ops structure for a struct @@ -24,22 +24,22 @@ struct ttm_kmap_iter_ops { * kmap_local semantics. * @res_iter: Pointer to the struct ttm_kmap_iter representing * the resource. - * @dmap: The struct dma_buf_map holding the virtual address after + * @dmap: The struct iosys_map holding the virtual address after * the operation. * @i: The location within the resource to map. PAGE_SIZE granularity. */ void (*map_local)(struct ttm_kmap_iter *res_iter, - struct dma_buf_map *dmap, pgoff_t i); + struct iosys_map *dmap, pgoff_t i); /** * unmap_local() - Unmap a PAGE_SIZE part of the resource previously * mapped using kmap_local. * @res_iter: Pointer to the struct ttm_kmap_iter representing * the resource. - * @dmap: The struct dma_buf_map holding the virtual address after + * @dmap: The struct iosys_map holding the virtual address after * the operation. */ void (*unmap_local)(struct ttm_kmap_iter *res_iter, - struct dma_buf_map *dmap); + struct iosys_map *dmap); bool maps_tt; }; diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index 5952051091cd..0f1d55262c68 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -27,7 +27,7 @@ #include <linux/types.h> #include <linux/mutex.h> -#include <linux/dma-buf-map.h> +#include <linux/iosys-map.h> #include <linux/dma-fence.h> #include <drm/drm_print.h> #include <drm/ttm/ttm_caching.h> @@ -41,7 +41,7 @@ struct ttm_resource; struct ttm_place; struct ttm_buffer_object; struct ttm_placement; -struct dma_buf_map; +struct iosys_map; struct io_mapping; struct sg_table; struct scatterlist; @@ -105,11 +105,11 @@ struct ttm_resource_manager_func { * @use_type: The memory type is enabled. * @use_tt: If a TT object should be used for the backing store. * @size: Size of the managed region. + * @bdev: ttm device this manager belongs to * @func: structure pointer implementing the range manager. See above * @move_lock: lock for move fence - * static information. bdev::driver::io_mem_free is never used. - * @lru: The lru list for this memory type. * @move: The fence of the last pipelined move operation. + * @lru: The lru list for this memory type. * * This structure is used to identify and manage memory types for a device. */ @@ -119,20 +119,26 @@ struct ttm_resource_manager { */ bool use_type; bool use_tt; + struct ttm_device *bdev; uint64_t size; const struct ttm_resource_manager_func *func; spinlock_t move_lock; /* - * Protected by the global->lru_lock. + * Protected by @move_lock. */ + struct dma_fence *move; + /* + * Protected by the bdev->lru_lock. + */ struct list_head lru[TTM_MAX_BO_PRIORITY]; - /* - * Protected by @move_lock. + /** + * @usage: How much of the resources are used, protected by the + * bdev->lru_lock. */ - struct dma_fence *move; + uint64_t usage; }; /** @@ -160,6 +166,7 @@ struct ttm_bus_placement { * @mem_type: Resource type of the allocation. * @placement: Placement flags. * @bus: Placement on io bus accessible to the CPU + * @bo: weak reference to the BO, protected by ttm_device::lru_lock * * Structure indicating the placement and space resources used by a * buffer object. @@ -170,6 +177,7 @@ struct ttm_resource { uint32_t mem_type; uint32_t placement; struct ttm_bus_placement bus; + struct ttm_buffer_object *bo; }; /** @@ -207,7 +215,7 @@ struct ttm_kmap_iter_iomap { */ struct ttm_kmap_iter_linear_io { struct ttm_kmap_iter base; - struct dma_buf_map dmap; + struct iosys_map dmap; bool needs_unmap; }; @@ -261,19 +269,26 @@ ttm_resource_manager_cleanup(struct ttm_resource_manager *man) void ttm_resource_init(struct ttm_buffer_object *bo, const struct ttm_place *place, struct ttm_resource *res); +void ttm_resource_fini(struct ttm_resource_manager *man, + struct ttm_resource *res); + int ttm_resource_alloc(struct ttm_buffer_object *bo, const struct ttm_place *place, struct ttm_resource **res); void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res); bool ttm_resource_compat(struct ttm_resource *res, struct ttm_placement *placement); +void ttm_resource_set_bo(struct ttm_resource *res, + struct ttm_buffer_object *bo); void ttm_resource_manager_init(struct ttm_resource_manager *man, - unsigned long p_size); + struct ttm_device *bdev, + uint64_t size); int ttm_resource_manager_evict_all(struct ttm_device *bdev, struct ttm_resource_manager *man); +uint64_t ttm_resource_manager_usage(struct ttm_resource_manager *man); void ttm_resource_manager_debug(struct ttm_resource_manager *man, struct drm_printer *p); |