[PATCH 02/11] event/ml: add ml adapter capabilities get

[Srikanth Yalavarthi]

Added library function to get ML adapter capabilities.

Signed-off-by: Srikanth Yalavarthi <syalavar...@marvell.com>
---
 lib/eventdev/eventdev_pmd.h | 29 +++++++++++++++++++++++++++++
 lib/eventdev/rte_eventdev.c | 27 +++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h
index 1790587808a..94d505753dc 100644
--- a/lib/eventdev/eventdev_pmd.h
+++ b/lib/eventdev/eventdev_pmd.h
@@ -84,6 +84,8 @@ extern "C" {
 #define RTE_EVENT_TIMER_ADAPTER_SW_CAP \
                RTE_EVENT_TIMER_ADAPTER_CAP_PERIODIC
 
+#define RTE_EVENT_ML_ADAPTER_SW_CAP 0x0
+
 #define RTE_EVENTDEV_DETACHED  (0)
 #define RTE_EVENTDEV_ATTACHED  (1)
 
@@ -1522,6 +1524,30 @@ typedef int (*eventdev_dma_adapter_stats_get)(const 
struct rte_eventdev *dev,
 typedef int (*eventdev_dma_adapter_stats_reset)(const struct rte_eventdev *dev,
                                                const int16_t dma_dev_id);
 
+struct rte_ml_dev;
+
+/**
+ * Retrieve the event device's ML adapter capabilities for the
+ * specified MLDEV
+ *
+ * @param dev
+ *   Event device pointer
+ *
+ * @param mldev
+ *   ML device pointer
+ *
+ * @param[out] caps
+ *   A pointer to memory filled with event adapter capabilities.
+ *   It is expected to be pre-allocated & initialized by caller.
+ *
+ * @return
+ *   - 0: Success, driver provides event adapter capabilities for the
+ *     MLDEV.
+ *   - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_ml_adapter_caps_get_t)(const struct rte_eventdev *dev,
+                                             const struct rte_ml_dev *mldev, 
uint32_t *caps);
 
 /** Event device operations function pointer table */
 struct eventdev_ops {
@@ -1662,6 +1688,9 @@ struct eventdev_ops {
        eventdev_dma_adapter_stats_reset dma_adapter_stats_reset;
        /**< Reset DMA stats */
 
+       eventdev_ml_adapter_caps_get_t ml_adapter_caps_get;
+       /**< Get ML adapter capabilities */
+
        eventdev_selftest dev_selftest;
        /**< Start eventdev Selftest */
 
diff --git a/lib/eventdev/rte_eventdev.c b/lib/eventdev/rte_eventdev.c
index 157752868d5..7fbc6f3d98a 100644
--- a/lib/eventdev/rte_eventdev.c
+++ b/lib/eventdev/rte_eventdev.c
@@ -22,6 +22,7 @@
 #include <rte_cryptodev.h>
 #include <rte_dmadev.h>
 #include <cryptodev_pmd.h>
+#include <rte_mldev_pmd.h>
 #include <rte_telemetry.h>
 
 #include "rte_eventdev.h"
@@ -249,6 +250,32 @@ rte_event_dma_adapter_caps_get(uint8_t dev_id, uint8_t 
dma_dev_id, uint32_t *cap
        return 0;
 }
 
+int
+rte_event_ml_adapter_caps_get(uint8_t evdev_id, int16_t mldev_id, uint32_t 
*caps)
+{
+       struct rte_eventdev *dev;
+       struct rte_ml_dev *mldev;
+
+       RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(evdev_id, -EINVAL);
+       if (!rte_ml_dev_is_valid_dev(mldev_id))
+               return -EINVAL;
+
+       dev = &rte_eventdevs[evdev_id];
+       mldev = rte_ml_dev_pmd_get_dev(mldev_id);
+
+       if (caps == NULL)
+               return -EINVAL;
+
+       if (dev->dev_ops->ml_adapter_caps_get == NULL)
+               *caps = RTE_EVENT_ML_ADAPTER_SW_CAP;
+       else
+               *caps = 0;
+
+       return dev->dev_ops->ml_adapter_caps_get ?
+                      (*dev->dev_ops->ml_adapter_caps_get)(dev, mldev, caps) :
+                      0;
+}
+
 static inline int
 event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
 {
-- 
2.42.0