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dma/dpaa2: support statistics

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This patch support DMA read and reset statistics operations.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Nipun Gupta 2022-05-05 14:35:22 +05:30 committed by Thomas Monjalon
parent 9e2f8ca6c2
commit 7661b7d33b
2 changed files with 35 additions and 0 deletions
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1
doc/guides/dmadevs/dpaa2.rst
View File

@ -21,6 +21,7 @@ The DPAA2 QDMA implements following features in the dmadev API;
performing DMA operation.
- Supports configuring to optionally get status of the DMA translation on
per DMA operation basis.
- Supports statistics.
Supported DPAA2 SoCs
--------------------

34
drivers/dma/dpaa2/dpaa2_qdma.c
View File

@ -1427,6 +1427,38 @@ dpaa2_qdma_close(__rte_unused struct rte_dma_dev *dev)
return 0;
}
static int
dpaa2_qdma_stats_get(const struct rte_dma_dev *dmadev, uint16_t vchan,
struct rte_dma_stats *rte_stats, uint32_t size)
{
struct dpaa2_dpdmai_dev *dpdmai_dev = dmadev->data->dev_private;
struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
struct qdma_virt_queue *qdma_vq = &qdma_dev->vqs[vchan];
struct rte_dma_stats *stats = &qdma_vq->stats;
RTE_SET_USED(size);
/* TODO - directly use stats */
stats->submitted = qdma_vq->num_enqueues;
stats->completed = qdma_vq->num_dequeues;
*rte_stats = *stats;
return 0;
}
static int
dpaa2_qdma_stats_reset(struct rte_dma_dev *dmadev, uint16_t vchan)
{
struct dpaa2_dpdmai_dev *dpdmai_dev = dmadev->data->dev_private;
struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
struct qdma_virt_queue *qdma_vq = &qdma_dev->vqs[vchan];
qdma_vq->num_enqueues = 0;
qdma_vq->num_dequeues = 0;
return 0;
}
static uint16_t
dpaa2_qdma_burst_capacity(const void *dev_private, uint16_t vchan)
{
@ -1444,6 +1476,8 @@ static struct rte_dma_dev_ops dpaa2_qdma_ops = {
.dev_stop = dpaa2_qdma_stop,
.dev_close = dpaa2_qdma_close,
.vchan_setup = dpaa2_qdma_vchan_setup,
.stats_get = dpaa2_qdma_stats_get,
.stats_reset = dpaa2_qdma_stats_reset,
};
static int