eventdev: add API to get service id

[dpdk.git] / lib / librte_eventdev / rte_eventdev.h

diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
index b9d1b98..a7973a9 100644 (file)
--- a/lib/librte_eventdev/rte_eventdev.h
+++ b/lib/librte_eventdev/rte_eventdev.h
@@ -1103,6 +1103,10 @@ struct rte_eventdev_data {
        /**< Event device capabilities(RTE_EVENT_DEV_CAP_)*/
        struct rte_event_dev_config dev_conf;
        /**< Configuration applied to device. */
+       uint8_t service_inited;
+       /* Service initialization state */
+       uint32_t service_id;
+       /* Service ID*/
 
        RTE_STD_C11
        uint8_t dev_started : 1;
@@ -1605,6 +1609,24 @@ int
 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
                         uint8_t queues[], uint8_t priorities[]);
 
+/**
+ * Retrieve the service ID of the event dev. If the adapter doesn't use
+ * a rte_service function, this function returns -ESRCH.
+ *
+ * @param dev_id
+ *   The identifier of the device.
+ *
+ * @param [out] service_id
+ *   A pointer to a uint32_t, to be filled in with the service id.
+ *
+ * @return
+ *   - 0: Success
+ *   - <0: Error code on failure, if the event dev doesn't use a rte_service
+ *   function, this function returns -ESRCH.
+ */
+int
+rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id);
+
 /**
  * Dump internal information about *dev_id* to the FILE* provided in *f*.
  *