X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=blobdiff_plain;f=lib%2Flibrte_mempool%2Frte_mempool.h;h=ad7cc6ad2e6b16297e6d60092cc6ea3acb83c10b;hp=9e41f595e8dba51211ed74e6247880ca08061639;hb=23bdcedcd8caa0d268b615df3bdb08411f97856e;hpb=b291e69423d0cbfdc34411460b641215da2e3fdc diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h index 9e41f595e8..ad7cc6ad2e 100644 --- a/lib/librte_mempool/rte_mempool.h +++ b/lib/librte_mempool/rte_mempool.h @@ -465,8 +465,13 @@ typedef ssize_t (*rte_mempool_calc_mem_size_t)(const struct rte_mempool *mp, size_t *min_chunk_size, size_t *align); /** - * Default way to calculate memory size required to store given number of - * objects. + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * @internal Helper to calculate memory size required to store given + * number of objects. + * + * This function is internal to mempool library and mempool drivers. * * If page boundaries may be ignored, it is just a product of total * object size including header and trailer and number of objects. @@ -479,6 +484,32 @@ typedef ssize_t (*rte_mempool_calc_mem_size_t)(const struct rte_mempool *mp, * * Minimum size of memory chunk is the total element size. * Required memory chunk alignment is the cache line size. + * + * @param[in] mp + * A pointer to the mempool structure. + * @param[in] obj_num + * Number of objects to be added in mempool. + * @param[in] pg_shift + * LOG2 of the physical pages size. If set to 0, ignore page boundaries. + * @param[out] min_chunk_size + * Location for minimum size of the memory chunk which may be used to + * store memory pool objects. + * @param[out] align + * Location for required memory chunk alignment. + * @return + * Required memory size. + */ +__rte_experimental +ssize_t rte_mempool_op_calc_mem_size_helper(const struct rte_mempool *mp, + uint32_t obj_num, uint32_t pg_shift, + size_t *min_chunk_size, size_t *align); + +/** + * Default way to calculate memory size required to store given number of + * objects. + * + * Equivalent to rte_mempool_op_calc_mem_size_helper(mp, obj_num, pg_shift, + * min_chunk_size, align). */ ssize_t rte_mempool_op_calc_mem_size_default(const struct rte_mempool *mp, uint32_t obj_num, uint32_t pg_shift, @@ -533,8 +564,42 @@ typedef int (*rte_mempool_populate_t)(struct rte_mempool *mp, rte_mempool_populate_obj_cb_t *obj_cb, void *obj_cb_arg); /** - * Default way to populate memory pool object using provided memory + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * @internal Helper to populate memory pool object using provided memory * chunk: just slice objects one by one. + * + * This function is internal to mempool library and mempool drivers. + * + * @param[in] mp + * A pointer to the mempool structure. + * @param[in] max_objs + * Maximum number of objects to be added in mempool. + * @param[in] vaddr + * The virtual address of memory that should be used to store objects. + * @param[in] iova + * The IO address corresponding to vaddr, or RTE_BAD_IOVA. + * @param[in] len + * The length of memory in bytes. + * @param[in] obj_cb + * Callback function to be executed for each populated object. + * @param[in] obj_cb_arg + * An opaque pointer passed to the callback function. + * @return + * The number of objects added in mempool. + */ +__rte_experimental +int rte_mempool_op_populate_helper(struct rte_mempool *mp, + unsigned int max_objs, + void *vaddr, rte_iova_t iova, size_t len, + rte_mempool_populate_obj_cb_t *obj_cb, void *obj_cb_arg); + +/** + * Default way to populate memory pool object using provided memory chunk. + * + * Equivalent to rte_mempool_op_populate_helper(mp, max_objs, vaddr, iova, + * len, obj_cb, obj_cb_arg). */ int rte_mempool_op_populate_default(struct rte_mempool *mp, unsigned int max_objs,