Function bcmfs_queue_create

dpdk/drivers/crypto/bcmfs/bcmfs_qp.c:94–161

}

static int
bcmfs_queue_create(struct bcmfs_queue *queue,
		   struct bcmfs_qp_config *qp_conf,
		   uint16_t queue_pair_id,
		   enum bcmfs_queue_type qtype)
{
	const struct rte_memzone *qp_mz;
	char q_name[16];
	unsigned int align;
	uint32_t queue_size_bytes;
	int ret;

	if (qtype == BCMFS_RM_TXQ) {
		strlcpy(q_name, txq_name, sizeof(q_name));
		align = 1U << FS_RING_BD_ALIGN_ORDER;
		queue_size_bytes = qp_conf->nb_descriptors *
				   qp_conf->max_descs_req * FS_RING_DESC_SIZE;
		queue_size_bytes = RTE_ALIGN_MUL_CEIL(queue_size_bytes,
						      FS_RING_PAGE_SIZE);
		/* make queue size to multiple for 4K pages */
	} else if (qtype == BCMFS_RM_CPLQ) {
		strlcpy(q_name, cmplq_name, sizeof(q_name));
		align = 1U << FS_RING_CMPL_ALIGN_ORDER;

		/*
		 * Memory size for cmpl + MSI
		 * For MSI allocate here itself and so we allocate twice
		 */
		queue_size_bytes = 2 * FS_RING_CMPL_SIZE;
	} else {
		BCMFS_LOG(ERR, "Invalid queue selection");
		return -EINVAL;
	}

	queue->q_type = qtype;

	/*
	 * Allocate a memzone for the queue - create a unique name.
	 */
	snprintf(queue->memz_name, sizeof(queue->memz_name),
		 "%s_%d_%s_%d_%s", "bcmfs", qtype, "qp_mem",
		 queue_pair_id, q_name);
	qp_mz = queue_dma_zone_reserve(queue->memz_name, queue_size_bytes,
				       0, align);
	if (qp_mz == NULL) {
		BCMFS_LOG(ERR, "Failed to allocate ring memzone");
		return -ENOMEM;
	}

	if (bcmfs_qp_check_queue_alignment(qp_mz->iova, align)) {
		BCMFS_LOG(ERR, "Invalid alignment on queue create "
					" 0x%" PRIx64,
					queue->base_phys_addr);
		ret = -EFAULT;
		goto queue_create_err;
	}

	queue->base_addr = (char *)qp_mz->addr;