Function mlx5_mr_insert_cache

dpdk/drivers/common/mlx5/mlx5_common_mr.c:393–413

* Insert a MR to the global B-tree cache. It may fail due to low-on-memory. * Then, this entry will have to be searched by mr_lookup_list() in * mlx5_mr_create() on miss. * * @param share_cache * Pointer to a global shared MR cache. * @param mr * Pointer to MR to insert. * * @return * 0 on success, -1 on failure. */

 *   0 on success, -1 on failure.
 */
int
mlx5_mr_insert_cache(struct mlx5_mr_share_cache *share_cache,
		     struct mlx5_mr *mr)
{
	unsigned int n;

	DRV_LOG(DEBUG, "Inserting MR(%p) to global cache(%p)",
		(void *)mr, (void *)share_cache);
	for (n = 0; n < mr->ms_bmp_n; ) {
		struct mr_cache_entry entry;

		memset(&entry, 0, sizeof(entry));
		/* Find a contiguous chunk and advance the index. */
		n = mr_find_next_chunk(mr, &entry, n);
		if (!entry.end)
			break;
		if (mr_btree_insert(&share_cache->cache, &entry) < 0)
			return -1;
	}
	return 0;
}

/**
 * Look up address in the original global MR list.