uint32_t obj_num, uint32_t pg_shift,
size_t *min_chunk_size, size_t *align)
{
- unsigned int mp_flags;
- int ret;
size_t total_elt_sz;
+ size_t obj_per_page, pg_num, pg_sz;
size_t mem_size;
- /* Get mempool capabilities */
- mp_flags = 0;
- ret = rte_mempool_ops_get_capabilities(mp, &mp_flags);
- if ((ret < 0) && (ret != -ENOTSUP))
- return ret;
-
total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+ if (total_elt_sz == 0) {
+ mem_size = 0;
+ } else if (pg_shift == 0) {
+ mem_size = total_elt_sz * obj_num;
+ } else {
+ pg_sz = (size_t)1 << pg_shift;
+ obj_per_page = pg_sz / total_elt_sz;
+ if (obj_per_page == 0) {
+ /*
+ * Note that if object size is bigger than page size,
+ * then it is assumed that pages are grouped in subsets
+ * of physically continuous pages big enough to store
+ * at least one object.
+ */
+ mem_size =
+ RTE_ALIGN_CEIL(total_elt_sz, pg_sz) * obj_num;
+ } else {
+ pg_num = (obj_num + obj_per_page - 1) / obj_per_page;
+ mem_size = pg_num << pg_shift;
+ }
+ }
- mem_size = rte_mempool_xmem_size(obj_num, total_elt_sz, pg_shift,
- mp->flags | mp_flags);
-
- if (mp_flags & MEMPOOL_F_CAPA_PHYS_CONTIG)
- *min_chunk_size = mem_size;
- else
- *min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
+ *min_chunk_size = RTE_MAX((size_t)1 << pg_shift, total_elt_sz);
*align = RTE_MAX((size_t)RTE_CACHE_LINE_SIZE, (size_t)1 << pg_shift);
return mem_size;
}
+
+int
+rte_mempool_op_populate_default(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)
+{
+ size_t total_elt_sz;
+ size_t off;
+ unsigned int i;
+ void *obj;
+
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+
+ for (off = 0, i = 0; off + total_elt_sz <= len && i < max_objs; i++) {
+ off += mp->header_size;
+ obj = (char *)vaddr + off;
+ obj_cb(mp, obj_cb_arg, obj,
+ (iova == RTE_BAD_IOVA) ? RTE_BAD_IOVA : (iova + off));
+ rte_mempool_ops_enqueue_bulk(mp, &obj, 1);
+ off += mp->elt_size + mp->trailer_size;
+ }
+
+ return i;
+}