diff options
Diffstat (limited to 'lib/librte_eventdev/rte_eventdev.h')
| -rw-r--r-- | lib/librte_eventdev/rte_eventdev.h | 108 |
1 files changed, 84 insertions, 24 deletions
diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h index f1949ff7..b21c2717 100644 --- a/lib/librte_eventdev/rte_eventdev.h +++ b/lib/librte_eventdev/rte_eventdev.h @@ -239,6 +239,7 @@ extern "C" { #endif #include <rte_common.h> +#include <rte_config.h> #include <rte_memory.h> #include <rte_errno.h> @@ -282,6 +283,38 @@ struct rte_mbuf; /* we just use mbuf pointers; no need to include rte_mbuf.h */ * * @see rte_event_dequeue_burst() rte_event_enqueue_burst() */ +#define RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE (1ULL << 5) +/**< Event device ports support disabling the implicit release feature, in + * which the port will release all unreleased events in its dequeue operation. + * If this capability is set and the port is configured with implicit release + * disabled, the application is responsible for explicitly releasing events + * using either the RTE_EVENT_OP_FORWARD or the RTE_EVENT_OP_RELEASE event + * enqueue operations. + * + * @see rte_event_dequeue_burst() rte_event_enqueue_burst() + */ + +#define RTE_EVENT_DEV_CAP_NONSEQ_MODE (1ULL << 6) +/**< Event device is capable of operating in none sequential mode. The path + * of the event is not necessary to be sequential. Application can change + * the path of event at runtime. If the flag is not set, then event each event + * will follow a path from queue 0 to queue 1 to queue 2 etc. If the flag is + * set, events may be sent to queues in any order. If the flag is not set, the + * eventdev will return an error when the application enqueues an event for a + * qid which is not the next in the sequence. + */ + +#define RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK (1ULL << 7) +/**< Event device is capable of configuring the queue/port link at runtime. + * If the flag is not set, the eventdev queue/port link is only can be + * configured during initialization. + */ + +#define RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT (1ULL << 8) +/**< Event device is capable of setting up the link between multiple queue + * with single port. If the flag is not set, the eventdev can only map a + * single queue to each port or map a single queue to many port. + */ /* Event device priority levels */ #define RTE_EVENT_DEV_PRIORITY_HIGHEST 0 @@ -420,9 +453,9 @@ rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info); * @param[out] attr_value A pointer that will be filled in with the attribute * value if successful. * - * @retval 0 Successfully retrieved attribute value - * -EINVAL Invalid device or *attr_id* provided, or *attr_value* - * is NULL + * @return + * - 0: Successfully retrieved attribute value + * - -EINVAL: Invalid device or *attr_id* provided, or *attr_value* is NULL */ int rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id, @@ -640,18 +673,22 @@ rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id, /** * Get an attribute from a queue. * - * @param dev_id Eventdev id - * @param queue_id Eventdev queue id - * @param attr_id The attribute ID to retrieve - * @param[out] attr_value A pointer that will be filled in with the attribute - * value if successful + * @param dev_id + * Eventdev id + * @param queue_id + * Eventdev queue id + * @param attr_id + * The attribute ID to retrieve + * @param[out] attr_value + * A pointer that will be filled in with the attribute value if successful * - * @retval 0 Successfully returned value - * -EINVAL invalid device, queue or attr_id provided, or attr_value - * was NULL - * -EOVERFLOW returned when attr_id is set to - * RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE and event_queue_cfg is set to - * RTE_EVENT_QUEUE_CFG_ALL_TYPES + * @return + * - 0: Successfully returned value + * - -EINVAL: invalid device, queue or attr_id provided, or attr_value was + * NULL + * - -EOVERFLOW: returned when attr_id is set to + * RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE and event_queue_cfg is set to + * RTE_EVENT_QUEUE_CFG_ALL_TYPES */ int rte_event_queue_attr_get(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id, @@ -686,6 +723,13 @@ struct rte_event_port_conf { * which previously supplied to rte_event_dev_configure(). * Ignored when device is not RTE_EVENT_DEV_CAP_BURST_MODE capable. */ + uint8_t disable_implicit_release; + /**< Configure the port not to release outstanding events in + * rte_event_dev_dequeue_burst(). If true, all events received through + * the port must be explicitly released with RTE_EVENT_OP_RELEASE or + * RTE_EVENT_OP_FORWARD. Must be false when the device is not + * RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE capable. + */ }; /** @@ -754,14 +798,18 @@ rte_event_port_setup(uint8_t dev_id, uint8_t port_id, /** * Get an attribute from a port. * - * @param dev_id Eventdev id - * @param port_id Eventdev port id - * @param attr_id The attribute ID to retrieve - * @param[out] attr_value A pointer that will be filled in with the attribute - * value if successful + * @param dev_id + * Eventdev id + * @param port_id + * Eventdev port id + * @param attr_id + * The attribute ID to retrieve + * @param[out] attr_value + * A pointer that will be filled in with the attribute value if successful * - * @retval 0 Successfully returned value - * -EINVAL Invalid device, port or attr_id, or attr_value was NULL + * @return + * - 0: Successfully returned value + * - (-EINVAL) Invalid device, port or attr_id, or attr_value was NULL */ int rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id, @@ -1381,9 +1429,9 @@ rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns, * * The number of events dequeued is the number of scheduler contexts held by * this port. These contexts are automatically released in the next - * rte_event_dequeue_burst() invocation, or invoking rte_event_enqueue_burst() - * with RTE_EVENT_OP_RELEASE operation can be used to release the - * contexts early. + * rte_event_dequeue_burst() invocation if the port supports implicit + * releases, or invoking rte_event_enqueue_burst() with RTE_EVENT_OP_RELEASE + * operation can be used to release the contexts early. * * Event operations RTE_EVENT_OP_FORWARD and RTE_EVENT_OP_RELEASE must only be * enqueued to the same port that their associated events were dequeued from. @@ -1762,6 +1810,18 @@ rte_event_dev_xstats_reset(uint8_t dev_id, const uint32_t ids[], uint32_t nb_ids); +/** + * Trigger the eventdev self test. + * + * @param dev_id + * The identifier of the device + * @return + * - 0: Selftest successful + * - -ENOTSUP if the device doesn't support selftest + * - other values < 0 on failure. + */ +int rte_event_dev_selftest(uint8_t dev_id); + #ifdef __cplusplus } #endif |