Added support to set and get runtime params for DMA adapter.

Signed-off-by: Amit Prakash Shukla <amitpraka...@marvell.com>
---
 lib/eventdev/rte_event_dma_adapter.c | 93 ++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

diff --git a/lib/eventdev/rte_event_dma_adapter.c 
b/lib/eventdev/rte_event_dma_adapter.c
index e66e0307b9..20817768fc 100644
--- a/lib/eventdev/rte_event_dma_adapter.c
+++ b/lib/eventdev/rte_event_dma_adapter.c
@@ -1212,3 +1212,96 @@ rte_event_dma_adapter_stop(uint8_t id)
 {
        return edma_adapter_ctrl(id, 0);
 }
+
+#define DEFAULT_MAX_NB 128
+
+int
+rte_event_dma_adapter_runtime_params_init(struct 
rte_event_dma_adapter_runtime_params *params)
+{
+       if (params == NULL)
+               return -EINVAL;
+
+       memset(params, 0, sizeof(*params));
+       params->max_nb = DEFAULT_MAX_NB;
+
+       return 0;
+}
+
+static int
+dma_adapter_cap_check(struct event_dma_adapter *adapter)
+{
+       uint32_t caps;
+       int ret;
+
+       if (!adapter->nb_vchanq)
+               return -EINVAL;
+
+       ret = rte_event_dma_adapter_caps_get(adapter->eventdev_id, 
adapter->next_dmadev_id, &caps);
+       if (ret) {
+               RTE_EDEV_LOG_ERR("Failed to get adapter caps dev %" PRIu8 " 
cdev %" PRIu8,
+                                adapter->eventdev_id, adapter->next_dmadev_id);
+               return ret;
+       }
+
+       if ((caps & RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) ||
+           (caps & RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_NEW))
+               return -ENOTSUP;
+
+       return 0;
+}
+
+int
+rte_event_dma_adapter_runtime_params_set(uint8_t id,
+                                        struct 
rte_event_dma_adapter_runtime_params *params)
+{
+       struct event_dma_adapter *adapter;
+       int ret;
+
+       EVENT_DMA_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
+
+       if (params == NULL) {
+               RTE_EDEV_LOG_ERR("params pointer is NULL\n");
+               return -EINVAL;
+       }
+
+       adapter = edma_id_to_adapter(id);
+       if (adapter == NULL)
+               return -EINVAL;
+
+       ret = dma_adapter_cap_check(adapter);
+       if (ret)
+               return ret;
+
+       rte_spinlock_lock(&adapter->lock);
+       adapter->max_nb = params->max_nb;
+       rte_spinlock_unlock(&adapter->lock);
+
+       return 0;
+}
+
+int
+rte_event_dma_adapter_runtime_params_get(uint8_t id,
+                                        struct 
rte_event_dma_adapter_runtime_params *params)
+{
+       struct event_dma_adapter *adapter;
+       int ret;
+
+       EVENT_DMA_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL);
+
+       if (params == NULL) {
+               RTE_EDEV_LOG_ERR("params pointer is NULL\n");
+               return -EINVAL;
+       }
+
+       adapter = edma_id_to_adapter(id);
+       if (adapter == NULL)
+               return -EINVAL;
+
+       ret = dma_adapter_cap_check(adapter);
+       if (ret)
+               return ret;
+
+       params->max_nb = adapter->max_nb;
+
+       return 0;
+}
-- 
2.25.1

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