#define RTE_SERVICE_CAP_MT_SAFE (1 << 0)
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Return the number of services registered.
*
* The number of services registered can be passed to *rte_service_get_by_id*,
*
* @return The number of services registered.
*/
-uint32_t __rte_experimental rte_service_get_count(void);
+uint32_t rte_service_get_count(void);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Return the id of a service by name.
*
* This function provides the id of the service using the service name as
* @retval -EINVAL Null *service_id* pointer provided
* @retval -ENODEV No such service registered
*/
-int32_t __rte_experimental rte_service_get_by_name(const char *name,
- uint32_t *service_id);
+int32_t rte_service_get_by_name(const char *name, uint32_t *service_id);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Return the name of the service.
*
* @return A pointer to the name of the service. The returned pointer remains
* in ownership of the service, and the application must not free it.
*/
-const char __rte_experimental *rte_service_get_name(uint32_t id);
+const char *rte_service_get_name(uint32_t id);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Check if a service has a specific capability.
*
* This function returns if *service* has implements *capability*.
* @retval 1 Capability supported by this service instance
* @retval 0 Capability not supported by this service instance
*/
-int32_t __rte_experimental rte_service_probe_capability(uint32_t id,
- uint32_t capability);
+int32_t rte_service_probe_capability(uint32_t id, uint32_t capability);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Map or unmap a lcore to a service.
*
* Each core can be added or removed from running a specific service. This
* @retval 0 lcore map updated successfully
* @retval -EINVAL An invalid service or lcore was provided.
*/
-int32_t __rte_experimental rte_service_map_lcore_set(uint32_t service_id,
- uint32_t lcore, uint32_t enable);
+int32_t rte_service_map_lcore_set(uint32_t service_id, uint32_t lcore,
+ uint32_t enable);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Retrieve the mapping of an lcore to a service.
*
* @param service_id the service to apply the lcore to
* @retval 0 lcore is not mapped to service
* @retval -EINVAL An invalid service or lcore was provided.
*/
-int32_t __rte_experimental rte_service_map_lcore_get(uint32_t service_id,
- uint32_t lcore);
+int32_t rte_service_map_lcore_get(uint32_t service_id, uint32_t lcore);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Set the runstate of the service.
*
* Each service is either running or stopped. Setting a non-zero runstate
* @retval 0 The service was successfully started
* @retval -EINVAL Invalid service id
*/
-int32_t __rte_experimental rte_service_runstate_set(uint32_t id, uint32_t runstate);
+int32_t rte_service_runstate_set(uint32_t id, uint32_t runstate);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get the runstate for the service with *id*. See *rte_service_runstate_set*
* for details of runstates. A service can call this function to ensure that
* the application has indicated that it will receive CPU cycles. Either a
* @retval 0 Service is stopped
* @retval -EINVAL Invalid service id
*/
-int32_t __rte_experimental rte_service_runstate_get(uint32_t id);
+int32_t rte_service_runstate_get(uint32_t id);
/**
* @warning
- * @b EXPERIMENTAL: this API may change without prior notice
+ * @b EXPERIMENTAL: this API may change, or be removed, without prior notice
+ *
+ * This function returns whether the service may be currently executing on
+ * at least one lcore, or definitely is not. This function can be used to
+ * determine if, after setting the service runstate to stopped, the service
+ * is still executing a service lcore.
*
+ * Care must be taken if calling this function when the service runstate is
+ * running, since the result of this function may be incorrect by the time the
+ * function returns due to service cores running in parallel.
+ *
+ * @retval 1 Service may be running on one or more lcores
+ * @retval 0 Service is not running on any lcore
+ * @retval -EINVAL Invalid service id
+ */
+int32_t __rte_experimental
+rte_service_may_be_active(uint32_t id);
+
+/**
* Enable or disable the check for a service-core being mapped to the service.
* An application can disable the check when takes the responsibility to run a
* service itself using *rte_service_run_iter_on_app_lcore*.
* @retval 0 Success
* @retval -EINVAL Invalid service ID
*/
-int32_t __rte_experimental rte_service_set_runstate_mapped_check(uint32_t id,
- int32_t enable);
+int32_t rte_service_set_runstate_mapped_check(uint32_t id, int32_t enable);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* This function runs a service callback from a non-service lcore.
*
* This function is designed to enable gradual porting to service cores, and
* @retval -ENOEXEC Service is not in a run-able state
* @retval -EINVAL Invalid service id
*/
-int32_t __rte_experimental rte_service_run_iter_on_app_lcore(uint32_t id,
+int32_t rte_service_run_iter_on_app_lcore(uint32_t id,
uint32_t serialize_multithread_unsafe);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Start a service core.
*
* Starting a core makes the core begin polling. Any services assigned to it
* @retval -EINVAL Failed to start core. The *lcore_id* passed in is not
* currently assigned to be a service core.
*/
-int32_t __rte_experimental rte_service_lcore_start(uint32_t lcore_id);
+int32_t rte_service_lcore_start(uint32_t lcore_id);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Stop a service core.
*
* Stopping a core makes the core become idle, but remains assigned as a
* The application must stop the service first, and then stop the
* lcore.
*/
-int32_t __rte_experimental rte_service_lcore_stop(uint32_t lcore_id);
+int32_t rte_service_lcore_stop(uint32_t lcore_id);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Adds lcore to the list of service cores.
*
* This functions can be used at runtime in order to modify the service core
* @retval -EALREADY lcore is already added to the service core list
* @retval -EINVAL Invalid lcore provided
*/
-int32_t __rte_experimental rte_service_lcore_add(uint32_t lcore);
+int32_t rte_service_lcore_add(uint32_t lcore);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Removes lcore from the list of service cores.
*
* This can fail if the core is not stopped, see *rte_service_core_stop*.
* @retval -EBUSY Lcore is not stopped, stop service core before removing.
* @retval -EINVAL failed to add lcore to service core mask.
*/
-int32_t __rte_experimental rte_service_lcore_del(uint32_t lcore);
+int32_t rte_service_lcore_del(uint32_t lcore);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Retrieve the number of service cores currently available.
*
* This function returns the integer count of service cores available. The
*
* @return The number of service cores currently configured.
*/
-int32_t __rte_experimental rte_service_lcore_count(void);
+int32_t rte_service_lcore_count(void);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Resets all service core mappings. This does not remove the service cores
* from duty, just unmaps all services / cores, and stops() the service cores.
* The runstate of services is not modified.
*
* @retval 0 Success
*/
-int32_t __rte_experimental rte_service_lcore_reset_all(void);
+int32_t rte_service_lcore_reset_all(void);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Enable or disable statistics collection for *service*.
*
* This function enables per core, per-service cycle count collection.
* @retval 0 Success
* @retval -EINVAL Invalid service pointer passed
*/
-int32_t __rte_experimental rte_service_set_stats_enable(uint32_t id,
- int32_t enable);
+int32_t rte_service_set_stats_enable(uint32_t id, int32_t enable);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Retrieve the list of currently enabled service cores.
*
* This function fills in an application supplied array, with each element
* service core list. No items have been populated, call this function
* with a size of at least *rte_service_core_count* items.
*/
-int32_t __rte_experimental rte_service_lcore_list(uint32_t array[], uint32_t n);
+int32_t rte_service_lcore_list(uint32_t array[], uint32_t n);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get the numer of services running on the supplied lcore.
*
* @param lcore Id of the service core.
* @retval -EINVAL Invalid lcore provided
* @retval -ENOTSUP The provided lcore is not a service core.
*/
-int32_t __rte_experimental rte_service_lcore_count_services(uint32_t lcore);
+int32_t rte_service_lcore_count_services(uint32_t lcore);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Dumps any information available about the service. When id is UINT32_MAX,
* this function dumps info for all services.
*
* @retval 0 Statistics have been successfully dumped
* @retval -EINVAL Invalid service id provided
*/
-int32_t __rte_experimental rte_service_dump(FILE *f, uint32_t id);
+int32_t rte_service_dump(FILE *f, uint32_t id);
/**
* Returns the number of cycles that this service has consumed
#define RTE_SERVICE_ATTR_CALL_COUNT 1
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get an attribute from a service.
*
* @retval 0 Success, the attribute value has been written to *attr_value*.
* -EINVAL Invalid id, attr_id or attr_value was NULL.
*/
-int32_t __rte_experimental rte_service_attr_get(uint32_t id, uint32_t attr_id,
+int32_t rte_service_attr_get(uint32_t id, uint32_t attr_id,
uint32_t *attr_value);
+/**
+ * Reset all attribute values of a service.
+ *
+ * @param id The service to reset all statistics of
+ * @retval 0 Successfully reset attributes
+ * -EINVAL Invalid service id provided
+ */
+int32_t rte_service_attr_reset_all(uint32_t id);
+
+/**
+ * Returns the number of times the service runner has looped.
+ */
+#define RTE_SERVICE_LCORE_ATTR_LOOPS 0
+
/**
* @warning
* @b EXPERIMENTAL: this API may change without prior notice
*
- * Reset all attribute values of a service.
+ * Get an attribute from a service core.
*
- * @param id The service to reset all statistics of
+ * @param lcore Id of the service core.
+ * @param attr_id Id of the attribute to be retrieved.
+ * @param [out] attr_value Pointer to storage in which to write retrieved value.
+ * @retval 0 Success, the attribute value has been written to *attr_value*.
+ * -EINVAL Invalid lcore, attr_id or attr_value was NULL.
+ * -ENOTSUP lcore is not a service core.
+ */
+int32_t __rte_experimental
+rte_service_lcore_attr_get(uint32_t lcore, uint32_t attr_id,
+ uint64_t *attr_value);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Reset all attribute values of a service core.
+ *
+ * @param lcore The service core to reset all the statistics of
* @retval 0 Successfully reset attributes
* -EINVAL Invalid service id provided
+ * -ENOTSUP lcore is not a service core.
*/
-int32_t __rte_experimental rte_service_attr_reset_all(uint32_t id);
+int32_t __rte_experimental
+rte_service_lcore_attr_reset_all(uint32_t lcore);
#ifdef __cplusplus
}
Code Review / deb_dpdk.git / blobdiff