Function fsl_qdma_prep_status_queue

dpdk/drivers/dma/dpaa/dpaa_qdma.c:339–376

}

static struct
fsl_qdma_queue *fsl_qdma_prep_status_queue(void)
{
	struct fsl_qdma_queue *status_head;
	unsigned int status_size;

	status_size = QDMA_STATUS_SIZE;
	if (status_size > FSL_QDMA_CIRCULAR_DESC_SIZE_MAX ||
	    status_size < FSL_QDMA_CIRCULAR_DESC_SIZE_MIN) {
		DPAA_QDMA_ERR("Get wrong status_size.");
		return NULL;
	}

	status_head = rte_zmalloc("qdma: status head", sizeof(*status_head), 0);
	if (!status_head)
		return NULL;

	/*
	 * Buffer for queue command
	 */
	status_head->cq = dma_pool_alloc(sizeof(struct fsl_qdma_format) *
					 status_size,
					 sizeof(struct fsl_qdma_format) *
					 status_size,
					 &status_head->bus_addr);

	if (!status_head->cq) {
		rte_free(status_head);
		return NULL;
	}

	memset(status_head->cq, 0x0, status_size *
	       sizeof(struct fsl_qdma_format));
	status_head->n_cq = status_size;
	status_head->virt_head = status_head->cq;

	return status_head;
}

static int
fsl_qdma_halt(struct fsl_qdma_engine *fsl_qdma)