+static int
+xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
+ uint8_t queue_port_id)
+{
+ struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+ if (dev->dev_ops->xstats_get_names != NULL)
+ return (*dev->dev_ops->xstats_get_names)(dev, mode,
+ queue_port_id,
+ NULL, NULL, 0);
+ return 0;
+}
+
+int
+rte_event_dev_xstats_names_get(uint8_t dev_id,
+ enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
+ struct rte_event_dev_xstats_name *xstats_names,
+ unsigned int *ids, unsigned int size)
+{
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
+ const int cnt_expected_entries = xstats_get_count(dev_id, mode,
+ queue_port_id);
+ if (xstats_names == NULL || cnt_expected_entries < 0 ||
+ (int)size < cnt_expected_entries)
+ return cnt_expected_entries;
+
+ /* dev_id checked above */
+ const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+
+ if (dev->dev_ops->xstats_get_names != NULL)
+ return (*dev->dev_ops->xstats_get_names)(dev, mode,
+ queue_port_id, xstats_names, ids, size);
+
+ return -ENOTSUP;
+}
+
+/* retrieve eventdev extended statistics */
+int
+rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
+ uint8_t queue_port_id, const unsigned int ids[],
+ uint64_t values[], unsigned int n)
+{
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
+ const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+
+ /* implemented by the driver */
+ if (dev->dev_ops->xstats_get != NULL)
+ return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id,
+ ids, values, n);
+ return -ENOTSUP;
+}
+
+uint64_t
+rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name,
+ unsigned int *id)
+{
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
+ const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+ unsigned int temp = -1;
+
+ if (id != NULL)
+ *id = (unsigned int)-1;
+ else
+ id = &temp; /* ensure driver never gets a NULL value */
+
+ /* implemented by driver */
+ if (dev->dev_ops->xstats_get_by_name != NULL)
+ return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
+ return -ENOTSUP;
+}
+
+int rte_event_dev_xstats_reset(uint8_t dev_id,
+ enum rte_event_dev_xstats_mode mode, int16_t queue_port_id,
+ const uint32_t ids[], uint32_t nb_ids)
+{
+ RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+ struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+
+ if (dev->dev_ops->xstats_reset != NULL)
+ return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id,
+ ids, nb_ids);
+ return -ENOTSUP;
+}
+