Function dpaa2_dpdmai_dev_init

dpdk/drivers/dma/dpaa2/dpaa2_qdma.c:1509–1628

}

static int
dpaa2_dpdmai_dev_init(struct rte_dma_dev *dev, int dpdmai_id)
{
	struct dpaa2_dpdmai_dev *dpdmai_dev = dev->data->dev_private;
	struct dpdmai_rx_queue_cfg rx_queue_cfg;
	struct dpdmai_attr attr;
	struct dpdmai_rx_queue_attr rx_attr;
	struct dpdmai_tx_queue_attr tx_attr;
	struct dpaa2_queue *rxq;
	int ret;

	DPAA2_QDMA_FUNC_TRACE();

	/* Open DPDMAI device */
	dpdmai_dev->dpdmai_id = dpdmai_id;
	dpdmai_dev->dpdmai.regs = dpaa2_get_mcp_ptr(MC_PORTAL_INDEX);
	dpdmai_dev->qdma_dev = rte_malloc(NULL, sizeof(struct qdma_device),
					  RTE_CACHE_LINE_SIZE);
	ret = dpdmai_open(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
			  dpdmai_dev->dpdmai_id, &dpdmai_dev->token);
	if (ret) {
		DPAA2_QDMA_ERR("dpdmai_open() failed with err: %d", ret);
		return ret;
	}

	/* Get DPDMAI attributes */
	ret = dpdmai_get_attributes(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
				    dpdmai_dev->token, &attr);
	if (ret) {
		DPAA2_QDMA_ERR("dpdmai get attributes failed with err: %d",
			       ret);
		goto init_err;
	}
	dpdmai_dev->num_queues = attr.num_of_queues;

	/* Set up Rx Queue */
	memset(&rx_queue_cfg, 0, sizeof(struct dpdmai_rx_queue_cfg));
	ret = dpdmai_set_rx_queue(&dpdmai_dev->dpdmai,
				  CMD_PRI_LOW,
				  dpdmai_dev->token,
				  0, 0, &rx_queue_cfg);
	if (ret) {
		DPAA2_QDMA_ERR("Setting Rx queue failed with err: %d",
			       ret);
		goto init_err;
	}

	/* Allocate DQ storage for the DPDMAI Rx queues */
	rxq = &(dpdmai_dev->rx_queue[0]);
	rxq->q_storage = rte_malloc("dq_storage",
				    sizeof(struct queue_storage_info_t),
				    RTE_CACHE_LINE_SIZE);
	if (!rxq->q_storage) {
		DPAA2_QDMA_ERR("q_storage allocation failed");
		ret = -ENOMEM;
		goto init_err;
	}