Added support to set and get runtime params for DMA adapter. The
parameters that can be set/get are defined in
struct rte_event_dma_adapter_runtime_params.
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 63b07cd14e..850b010712 100644
--- a/lib/eventdev/rte_event_dma_adapter.c
+++ b/lib/eventdev/rte_event_dma_adapter.c
@@ -1211,3 +1211,96 @@ 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
