+ if ((start > addr) && (start < addr + len))
+ start = RTE_ALIGN_FLOOR(start, align);
+ if ((end > addr) && (end < addr + len))
+ end = RTE_ALIGN_CEIL(end, align);
+ }
+ DEBUG("mempool %p using start=%p end=%p size=%zu for MR",
+ (void *)mp, (void *)start, (void *)end,
+ (size_t)(end - start));
+ mr->mr = ibv_reg_mr(priv->pd, (void *)start, end - start,
+ IBV_ACCESS_LOCAL_WRITE);
+ mr->mp = mp;
+ mr->lkey = rte_cpu_to_be_32(mr->mr->lkey);
+ mr->start = start;
+ mr->end = (uintptr_t)mr->mr->addr + mr->mr->length;
+ rte_atomic32_inc(&mr->refcnt);
+ DEBUG("%p: new Memory Region %p refcnt: %d", (void *)priv,
+ (void *)mr, rte_atomic32_read(&mr->refcnt));
+ LIST_INSERT_HEAD(&priv->mr, mr, next);
+ return mr;
+}
+
+/**
+ * Search the memory region object in the memory region list.
+ *
+ * @param priv
+ * Pointer to private structure.
+ * @param mp
+ * Pointer to the memory pool to register.
+ * @return
+ * The memory region on success.
+ */
+struct mlx5_mr*
+priv_mr_get(struct priv *priv, struct rte_mempool *mp)
+{
+ struct mlx5_mr *mr;
+
+ assert(mp);
+ if (LIST_EMPTY(&priv->mr))
+ return NULL;
+ LIST_FOREACH(mr, &priv->mr, next) {
+ if (mr->mp == mp) {
+ rte_atomic32_inc(&mr->refcnt);
+ DEBUG("Memory Region %p refcnt: %d",
+ (void *)mr, rte_atomic32_read(&mr->refcnt));
+ return mr;