From patchwork Fri Oct 13 16:36:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavan Nikhilesh X-Patchwork-Id: 30375 X-Patchwork-Delegate: jerinj@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E89501B7A2; Fri, 13 Oct 2017 18:37:13 +0200 (CEST) Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0086.outbound.protection.outlook.com [104.47.42.86]) by dpdk.org (Postfix) with ESMTP id 236451B75A for ; Fri, 13 Oct 2017 18:37:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=Gzvw5u2FC0xmutJ2LTHv7mX43NeBWLYiI3MUpMj//wU=; b=YV8M89FynJB0wFk5QUtnxhlbg/L0Fe/tnuSHUv84WqvEA1FqRdFXSLtJs8o6HJHpetvNov2auIcb82GQJkrI0+MKbBx+bbBBMFDnUd/va6qE8cPtjtqG/2qSoU9VNBlee2+hWojukbW2OM9gzt2rJmpJ63TcTgZXPPa740DY4uM= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Pavan.Bhagavatula@cavium.com; Received: from PBHAGAVATULA-LT.caveonetworks.com (111.93.218.67) by CY4PR07MB3464.namprd07.prod.outlook.com (10.171.252.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.77.7; Fri, 13 Oct 2017 16:37:07 +0000 From: Pavan Nikhilesh To: jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, harry.van.haaren@intel.com Cc: dev@dpdk.org, Pavan Bhagavatula Date: Fri, 13 Oct 2017 22:06:44 +0530 Message-Id: <1507912610-14409-1-git-send-email-pbhagavatula@caviumnetworks.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1507712990-13064-1-git-send-email-pbhagavatula@caviumnetworks.com> References: <1507712990-13064-1-git-send-email-pbhagavatula@caviumnetworks.com> MIME-Version: 1.0 X-Originating-IP: [111.93.218.67] X-ClientProxiedBy: DM5PR05CA0054.namprd05.prod.outlook.com (10.174.188.171) To CY4PR07MB3464.namprd07.prod.outlook.com (10.171.252.145) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 594ac2b8-36d6-45f2-fabf-08d51258a645 X-Microsoft-Antispam: UriScan:; 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CY4PR07MB3464; 6:wAKr2j7Zy4O+nfssBGbajR1C+G5BHSgfT2PXrB8Zmbdy2stKVe0Xa8lILwgQzVqcl+vrzZTDj5/eNNnTVwsLy/stEluo9qOGTnBX/tRqvHFbohUMW0ePax/VbMIh+fG/8+/jXulDh+IWx1PyGb4EXN2EjdP9H5eS8l0Xqqc3x2zAVMK4Bcw5z4XAvFxRs7fJlZVuzfH+5oucv8M38wI9/HCoLEoT3HjB51qHVwPsWVlcQLP7B1rLH/QsgY8d/66aWtQV5E321DIT+2A0YIjFlTevuVA2ly582IVKjiJvrnQoyeBfUgW/k94w4+mRa1L+xoWAMFYHcZ/I9WoW7auMmQ==; 5:QmI132V0rfBgUzMVNHEjyfPX8T25KhUbQea8fas9hdDU1BONd8qabo0P57w2BHEdch1eWatP/hydHsRBN4YE33lEZ6SYYVTLiFoiPqUZKbfNaTeusXWFqHKiXUKSwNO3N2twM3NlBqZFmVBVjch7avQO82l0RK5vFxDXySr6q8M=; 24:1o185Z1THjuwvzNvNLOtswaoEMe2E0ikNVM7lzaMrbSY4iiaIRx+bOuqqrc2Zp1GlEp73pYBDX0KzlkHP7WqE53DmsfTOtEg/hz7lwaVWOg=; 7:XgVB54NneFMaGK/YySDHWBDZ5d7+dHm0oMQtHVtbp3VMlcIRDa3ouS9JsuWkvIFqrbHFDVQjvA5VgYRwg6bpl8mPv/q0RWrcxabQORkpirpGY3aNmKuXC0Hs+jpTrZ9EEEh/dlr3i6UmpVOQXKyUHUi4+L6iYCP8qMzZJIg+Nyn0RVnmAHlwRaeYheyE97Q7RZK4LFk+Xxk5xdJgWhZqniOpNTyluDwLWCFL4eV+kSY= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2017 16:37:07.9885 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR07MB3464 Subject: [dpdk-dev] [PATCH v2 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 --- v2 changes: - fix checkpatch issues - update eventdev versio map - fix --slcore option not removed in app/test-event-dev 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 378ccb5..f179aa4 100644 --- a/lib/librte_eventdev/rte_eventdev.c +++ b/lib/librte_eventdev/rte_eventdev.c @@ -961,6 +961,23 @@ 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 1dbc872..1c1ff6b 100644 --- a/lib/librte_eventdev/rte_eventdev.h +++ b/lib/librte_eventdev/rte_eventdev.h @@ -1116,6 +1116,10 @@ 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; @@ -1619,6 +1623,24 @@ 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 d555b19..59c36a0 100644 --- a/lib/librte_eventdev/rte_eventdev_version.map +++ b/lib/librte_eventdev/rte_eventdev_version.map @@ -53,6 +53,7 @@ DPDK_17.11 { rte_event_dev_attr_get; rte_event_port_attr_get; rte_event_queue_attr_get; + rte_event_dev_service_id_get; rte_event_eth_rx_adapter_create; rte_event_eth_rx_adapter_free;