Function ntb_dev_configure

dpdk/drivers/raw/ntb/ntb.c:858–896

}

static int
ntb_dev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config,
		size_t config_size)
{
	struct ntb_dev_config *conf = config;
	struct ntb_hw *hw = dev->dev_private;
	uint32_t xstats_num;
	int ret;

	if (conf == NULL || config_size != sizeof(*conf))
		return -EINVAL;

	hw->queue_pairs	= conf->num_queues;
	hw->queue_size = conf->queue_size;
	hw->used_mw_num = conf->mz_num;
	hw->mz = conf->mz_list;
	hw->rx_queues = rte_zmalloc("ntb_rx_queues",
			sizeof(struct ntb_rx_queue *) * hw->queue_pairs, 0);
	hw->tx_queues = rte_zmalloc("ntb_tx_queues",
			sizeof(struct ntb_tx_queue *) * hw->queue_pairs, 0);
	/* First total stats, then per queue stats. */
	xstats_num = (hw->queue_pairs + 1) * NTB_XSTATS_NUM;
	hw->ntb_xstats = rte_zmalloc("ntb_xstats", xstats_num *
				     sizeof(uint64_t), 0);
	hw->ntb_xstats_off = rte_zmalloc("ntb_xstats_off", xstats_num *
					 sizeof(uint64_t), 0);

	/* Start handshake with the peer. */
	ret = ntb_handshake_work(dev);
	if (ret < 0) {
		rte_free(hw->rx_queues);
		rte_free(hw->tx_queues);
		hw->rx_queues = NULL;
		hw->tx_queues = NULL;
		return ret;
	}

	return 0;
}

static int
ntb_dev_start(struct rte_rawdev *dev)