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CY4PR07MB3462; 6:tjJXbBepUR2COnlKGZTetysAVF5nKo7D0YUG3uO8tp6gAAmHnSLKBOA9r0EZ3Du63wjXqD0Bn/WUnO8eaHE+yRdw0oeyR2bo4SlxP4CMbfy5QAtK9C0L1DXWV50HN8I3ptoH+YhLWUGtKuy+ny0q5b7Wi6+c6+xe4k3ma19iqD330HvEuXhsnpZoj9Ns+ZPmxVO8lEVxPKSzFb5GSSqTqiXP/w6eLEetPcwMHmy84lgX3hLNpI9Ct0d56bl0v5NbGctTDg+b6z9G6BSszfQd0ZTVzVa1uDzE75ux0hMmn9u+FCwmaifAqi3BRlPYGMrhA8AxYBkXtrucV7+effTN+Q==; 5:CFqde4LBAxW458SQw88ZlLQGiednKtjdFckpbh1ZCPWMOpktrSa9UrqbZAZA23LT9Nx7vZGNdr7Y/ffORtZucTufCtW7vimb21Mi3QqE9IDJzDkOmz7rXg8zeZE8cz9v7FwXY9hURxiexyMeHXqLtw==; 24:xQvonMm2L6rtjlzktesRY6llnhuvyrvn88md8jdBGucYYp7q95EDUctZpYkrTwcTPkTOj8Zx47b+xyp3rKmCWMAqUXQbOgQvGJncEpT2jWo=; 7:j509NgXP4ew3weMC/XZUUjrGnHOQmJgqkj8J5FwvJ+WmD70OsYyOgKngshMWjHJFn2+B8//BcwRPu/dQt+mKrzLRR36kYST8gB9GW2mFDfIi2EbL8Qp+F9DesgwrGBRZDhWmCnZ+Vx+v2Q6iW9rM5TtVCmCmEOcaaYkcW3otzsuJJf5LmfQDwFdoIN6N6Koe6qjZue47jxjpQf1AjQZdP0TAY0lSdngIbuct/YJH4/E= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Oct 2017 11:59:43.4771 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8f618e5b-eb69-401c-e9f6-08d51b9fe22f X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR07MB3462 Subject: [dpdk-dev] [PATCH v4 1/7] eventdev: add API to get service id X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Pavan Bhagavatula In case of sw event device the scheduling can be done on a service core using the service registered at the time of probe. This patch adds a helper function to get the service id that can be used by the application to assign a lcore for the service to run on. Signed-off-by: Pavan Nikhilesh Acked-by: Harry van Haaren --- v3 changes: - removed stale slcore option from documentation - fix version map - remove schedule api from dpaa2 event dev driver v2 changes: - fix checkpatch issues - update eventdev versio map - fix --slcore option not removed in app/test-event-dev This patch series depends on http://dpdk.org/dev/patchwork/patch/30734/ and http://dpdk.org/dev/patchwork/patch/30732/ lib/librte_eventdev/rte_eventdev.c | 17 +++++++++++++++++ lib/librte_eventdev/rte_eventdev.h | 22 ++++++++++++++++++++++ lib/librte_eventdev/rte_eventdev_version.map | 1 + 3 files changed, 40 insertions(+) -- 2.7.4 diff --git a/lib/librte_eventdev/rte_eventdev.c b/lib/librte_eventdev/rte_eventdev.c index fa18422..df01f4b 100644 --- a/lib/librte_eventdev/rte_eventdev.c +++ b/lib/librte_eventdev/rte_eventdev.c @@ -963,6 +963,23 @@ rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns, } int +rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id) +{ + struct rte_eventdev *dev; + + RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_eventdevs[dev_id]; + + if (service_id == NULL) + return -EINVAL; + + if (dev->data->service_inited) + *service_id = dev->data->service_id; + + return dev->data->service_inited ? 0 : -ESRCH; +} + +int rte_event_dev_dump(uint8_t dev_id, FILE *f) { struct rte_eventdev *dev; diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h index b9d1b98..a7973a9 100644 --- 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; @@ -1606,6 +1610,24 @@ 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*. * * @param dev_id diff --git a/lib/librte_eventdev/rte_eventdev_version.map b/lib/librte_eventdev/rte_eventdev_version.map index 800ca6e..108ae61 100644 --- a/lib/librte_eventdev/rte_eventdev_version.map +++ b/lib/librte_eventdev/rte_eventdev_version.map @@ -51,6 +51,7 @@ DPDK_17.11 { global: rte_event_dev_attr_get; + rte_event_dev_service_id_get; rte_event_port_attr_get; rte_event_queue_attr_get;