[RFC PATCH 16/29] net/qdma: add start and stop apis

[Aman Kumar]

this patch implements definitions for dev_start
and dev_stop apis.

Signed-off-by: Aman Kumar <aman.ku...@vvdntech.in>
---
 drivers/net/qdma/qdma_devops.c | 53 ++++++++++++++++++++++++++++++++--
 1 file changed, 51 insertions(+), 2 deletions(-)

diff --git a/drivers/net/qdma/qdma_devops.c b/drivers/net/qdma/qdma_devops.c
index 5329bd3cd4..28de783207 100644
--- a/drivers/net/qdma/qdma_devops.c
+++ b/drivers/net/qdma/qdma_devops.c
@@ -865,8 +865,40 @@ void qdma_dev_rx_queue_release(struct rte_eth_dev *dev, 
uint16_t q_id)
  */
 int qdma_dev_start(struct rte_eth_dev *dev)
 {
-       (void)dev;
+       struct qdma_tx_queue *txq;
+       struct qdma_rx_queue *rxq;
+       uint32_t qid;
+       int err;
+
+       PMD_DRV_LOG(INFO, "qdma-dev-start: Starting\n");
+
+       /* prepare descriptor rings for operation */
+       for (qid = 0; qid < dev->data->nb_tx_queues; qid++) {
+               txq = (struct qdma_tx_queue *)dev->data->tx_queues[qid];
+
+               /* Deferred Queues should not start with dev_start */
+               if (!txq->tx_deferred_start) {
+                       err = qdma_dev_tx_queue_start(dev, qid);
+                       if (err != 0)
+                               return err;
+               }
+       }
 
+       for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
+               rxq = (struct qdma_rx_queue *)dev->data->rx_queues[qid];
+
+               /* Deferred Queues should not start with dev_start */
+               if (!rxq->rx_deferred_start) {
+                       err = qdma_dev_rx_queue_start(dev, qid);
+                       if (err != 0)
+                               return err;
+               }
+       }
+
+#if (MIN_TX_PIDX_UPDATE_THRESHOLD > 1)
+       rte_eal_alarm_set(QDMA_TXQ_PIDX_UPDATE_INTERVAL,
+                       qdma_txq_pidx_update, (void *)dev);
+#endif
        return 0;
 }
 
@@ -922,7 +954,24 @@ int qdma_dev_infos_get(struct rte_eth_dev *dev,
  */
 int qdma_dev_stop(struct rte_eth_dev *dev)
 {
-       (void)dev;
+       uint32_t qid;
+#ifdef RTE_LIBRTE_QDMA_DEBUG_DRIVER
+       struct qdma_pci_dev *qdma_dev = dev->data->dev_private;
+
+       PMD_DRV_LOG(INFO, "PF-%d(DEVFN) Stop H2C & C2H queues",
+                       qdma_dev->func_id);
+#endif
+
+       /* reset driver's internal queue structures to default values */
+       for (qid = 0; qid < dev->data->nb_tx_queues; qid++)
+               qdma_dev_tx_queue_stop(dev, qid);
+       for (qid = 0; qid < dev->data->nb_rx_queues; qid++)
+               qdma_dev_rx_queue_stop(dev, qid);
+
+#if (MIN_TX_PIDX_UPDATE_THRESHOLD > 1)
+       /* Cancel pending PIDX updates */
+       rte_eal_alarm_cancel(qdma_txq_pidx_update, (void *)dev);
+#endif
 
        return 0;
 }
-- 
2.36.1