Function fsl_qdma_alloc_queue_resources

dpdk/drivers/dma/dpaa/dpaa_qdma.c:274–337

}

static struct fsl_qdma_queue
*fsl_qdma_alloc_queue_resources(struct fsl_qdma_engine *fsl_qdma)
{
	struct fsl_qdma_queue *queue_head, *queue_temp;
	int len, i, j;
	int queue_num;
	int blocks;
	unsigned int queue_size[FSL_QDMA_QUEUE_MAX];

	queue_num = fsl_qdma->n_queues;
	blocks = fsl_qdma->num_blocks;

	len = sizeof(*queue_head) * queue_num * blocks;
	queue_head = rte_zmalloc("qdma: queue head", len, 0);
	if (!queue_head)
		return NULL;

	for (i = 0; i < FSL_QDMA_QUEUE_MAX; i++)
		queue_size[i] = QDMA_QUEUE_SIZE;

	for (j = 0; j < blocks; j++) {
		for (i = 0; i < queue_num; i++) {
			if (queue_size[i] > FSL_QDMA_CIRCULAR_DESC_SIZE_MAX ||
			    queue_size[i] < FSL_QDMA_CIRCULAR_DESC_SIZE_MIN) {
				DPAA_QDMA_ERR("Get wrong queue-sizes.");
				goto fail;
			}
			queue_temp = queue_head + i + (j * queue_num);

			queue_temp->cq =
			dma_pool_alloc(sizeof(struct fsl_qdma_format) *
				       queue_size[i],
				       sizeof(struct fsl_qdma_format) *
				       queue_size[i], &queue_temp->bus_addr);

			if (!queue_temp->cq)
				goto fail;

			memset(queue_temp->cq, 0x0, queue_size[i] *
			       sizeof(struct fsl_qdma_format));

			queue_temp->block_base = fsl_qdma->block_base +
				FSL_QDMA_BLOCK_BASE_OFFSET(fsl_qdma, j);
			queue_temp->n_cq = queue_size[i];
			queue_temp->id = i;
			queue_temp->count = 0;
			queue_temp->pending = 0;
			queue_temp->virt_head = queue_temp->cq;
			queue_temp->stats = (struct rte_dma_stats){0};
		}
	}
	return queue_head;

fail:
	for (j = 0; j < blocks; j++) {
		for (i = 0; i < queue_num; i++) {
			queue_temp = queue_head + i + (j * queue_num);
			dma_pool_free(queue_temp->cq);