From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM01-BY2-obe.outbound.protection.outlook.com (mail-by2nam01on0075.outbound.protection.outlook.com [104.47.34.75]) by dpdk.org (Postfix) with ESMTP id 092BD200 for ; Wed, 29 Nov 2017 06:19:55 +0100 (CET) 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=lSVnBlUA/YGQ23RXiirMcV2oi5XiGbeFGQ6Q6Y2SbVo=; b=C/xsAn/lh0SN2iTfZ/IMSlAVklWMwF4B3VVdGQ37x9ux/7dgIbnxUiyMTvktRH3qsYmCbfbin3rE+tC5knJWvKD7sg+olLqrPMwiwf0+MNAp3kqNPiMPK6CuyMso1zBTI0zB0n66LRuwMnWZiQRkh54XF7CoeZbndgwcM88RdhU= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Pavan.Bhagavatula@cavium.com; Received: from Pavan-LT (14.140.2.178) by DM5PR07MB3468.namprd07.prod.outlook.com (10.164.153.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.260.4; Wed, 29 Nov 2017 05:19:49 +0000 Date: Wed, 29 Nov 2017 10:49:25 +0530 From: Pavan Nikhilesh Bhagavatula To: Erik Gabriel Carrillo Cc: dev@dpdk.org, nipun.gupta@nxp.com, hemant.agrawal@nxp.com, nikhil.rao@intel.com, jerin.jacobkollanukkaran@cavium.com Message-ID: <20171129051924.o2q7z6l7zeewd7kf@Pavan-LT> References: <1511217333-142455-1-git-send-email-erik.g.carrillo@intel.com> <1511890808-6072-1-git-send-email-erik.g.carrillo@intel.com> <1511890808-6072-3-git-send-email-erik.g.carrillo@intel.com> MIME-Version: 1.0 Content-Type: text/plain; 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DM5PR07MB3468; 6:aQdIBTi3Vq6it/0MF9HoT1tMjf7UadsN3XMLvd+RFPlY/w/KEKnI2DO4bLrvWDgDU/GiuSgOiwfrjDoH/8VTX2wc6IveWKh6MnH2LgyoFKxgKXT3WZ1K5uz15QFDh5huQ3Ub3WMHmuEgfFBeGwnByiEjhQH5mBplOwEVCp7arN0/UWwDbLh/Q+yI14QWawgJa5iKsLZ1hsp9CC7hsyWMNxsVbe8lxxYD9hCShevZET80r+ppYk3F3QS+lmwMeJ+raDLSNkwMDaCjkwYu/9CjctlPNK9EG0QpD79zQR0WVgY5dWU6g3fYrlOr8v7lPLQnK/1xfR2tsV7/5reWgwB7P0E16K2MlMiwl85rXh/rr9A=; 5:ctBtQksWbFytHvZELzDFoTwkMfBxl9FoH84K9JmWMEPP+GKNT6gQ1GrbKWfq/wT+4c+GU6kmfV5A1RZWgll4hGa4IKWfN3mddpPuADsKCzJQq3LHs7wtxiR+eSAVoESXngEtusxUEGrhVJvnPxWC9/ifefKo7QCeAfkAvrlo/mQ=; 24:VeBf5ZiJmdNgbylXkaQvANGU05r3TCrFc4/bCa+7efhWx/XqsgyYvcnQ0cTSvMLA5B6DjnhVgTUEqZHp//uGjqBQnDExRC4CCgSvH6yOihg=; 7:nIej3ka7swoafik6cOQiRB+f1H9A24ImdorzLkukSS9BCLxdoT54DQ2HfvMHH15VjqYUNDoIqMIySB2cpUogwdkXYPyGjdY+xS3wnmgsAVbO9H02k2C5N+nczVBztez31f0oKNeJsiezxniZo+aHrrC38PBkHHvGh1mewfLwQOUXAXeWHMg1yGIyJzbk+X82UpxFNl3mqjGxCPiNtBaXls0cjdtS2u7zGut4wn4UcHWflLdji/9QhhSe2rSKHVHR SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Nov 2017 05:19:49.6478 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 62321c96-0750-4d62-33d1-08d536e8d1d7 X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR07MB3468 Subject: Re: [dpdk-dev] [RFC PATCH v4 2/4] eventtimer: add common code 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: , X-List-Received-Date: Wed, 29 Nov 2017 05:19:56 -0000 Hi Gabriel, Comments inline On Tue, Nov 28, 2017 at 11:40:06AM -0600, Erik Gabriel Carrillo wrote: > +struct rte_event_timer_adapter * > +rte_event_timer_adapter_create(const struct rte_event_timer_adapter_conf *conf) > +{ > + /* default port conf values */ > + struct rte_event_port_conf port_conf = { > + .new_event_threshold = 128, > + .dequeue_depth = 32, > + .enqueue_depth = 32 > + }; Instead of harcoding get the port conf values from rte_event_port_default_conf_get(). > + > + return rte_event_timer_adapter_create_ext(conf, default_port_conf_cb, > + &port_conf); > +} > + > +struct rte_event_timer_adapter * > +rte_event_timer_adapter_create_ext( > + const struct rte_event_timer_adapter_conf *conf, > + rte_event_timer_adapter_port_conf_cb_t conf_cb, > + void *conf_arg) > +{ > + uint16_t adapter_id; > + struct rte_event_timer_adapter *adapter; > + const struct rte_memzone *mz; > + char mz_name[DATA_MZ_NAME_MAX_LEN]; > + int n, ret; > + struct rte_eventdev *dev; > + > + if (conf == NULL) { > + rte_errno = -EINVAL; > + return NULL; > + } > + > + /* Check eventdev ID */ > + if (!rte_event_pmd_is_valid_dev(conf->event_dev_id)) { > + rte_errno = -EINVAL; > + return NULL; > + } > + dev = &rte_eventdevs[conf->event_dev_id]; > + > + adapter_id = conf->timer_adapter_id; > + > + /* Check adapter ID not already allocated */ > + adapter = &adapters[adapter_id]; > + if (adapter->allocated) { > + rte_errno = -EEXIST; > + return NULL; > + } > + > + /* Create shared data area. */ > + n = snprintf(mz_name, sizeof(mz_name), DATA_MZ_NAME_FORMAT, adapter_id); > + if (n >= (int)sizeof(mz_name)) { > + rte_errno = -EINVAL; > + return NULL; > + } > + mz = rte_memzone_reserve(mz_name, > + sizeof(struct rte_event_timer_adapter_data), > + conf->socket_id, 0); > + if (mz == NULL) > + /* rte_errno set by rte_memzone_reserve */ > + return NULL; > + > + adapter->data = mz->addr; > + memset(adapter->data, 0, sizeof(struct rte_event_timer_adapter_data)); > + > + adapter->data->mz = mz; > + adapter->data->event_dev_id = conf->event_dev_id; > + adapter->data->id = adapter_id; > + adapter->data->socket_id = conf->socket_id; > + adapter->data->conf = *conf; /* copy conf structure */ > + > + /* Query eventdev PMD for timer adapter capabilities and ops */ > + ret = dev->dev_ops->timer_adapter_caps_get(dev, > + &adapter->data->caps, > + &adapter->ops); The underlying driver needs info about the adapter flags i.e. RTE_EVENT_TIMER_ADAPTER_F_ADJUST_RES and RTE_EVENT_TIMER_ADAPTER_F_SP_PUT so we need to pass those too conf->flags. > + if (ret < 0) { > + rte_errno = -EINVAL; > + return NULL; > + } > + > + if (!(adapter->data->caps & > + RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT)) { > + FUNC_PTR_OR_NULL_RET_WITH_ERRNO(conf_cb, -EINVAL); > + ret = conf_cb(adapter->data->id, adapter->data->event_dev_id, > + &adapter->data->event_port_id, conf_arg); > + if (ret < 0) { > + rte_errno = -EINVAL; > + return NULL; > + } > + } > + > + /* Allow driver to do some setup */ > + FUNC_PTR_OR_NULL_RET_WITH_ERRNO(adapter->ops->init, -ENOTSUP); > + ret = adapter->ops->init(adapter); > + if (ret < 0) { > + rte_errno = -EINVAL; > + return NULL; > + } > + > + /* Set fast-path function pointers */ > + adapter->arm_burst = adapter->ops->arm_burst; > + adapter->arm_tmo_tick_burst = adapter->ops->arm_tmo_tick_burst; > + adapter->cancel_burst = adapter->ops->cancel_burst; > + > + adapter->allocated = 1; > + > + return adapter; > +} > + > +struct rte_event_timer_adapter * > +rte_event_timer_adapter_lookup(uint16_t adapter_id) > +{ > + char name[DATA_MZ_NAME_MAX_LEN]; > + const struct rte_memzone *mz; > + struct rte_event_timer_adapter_data *data; > + struct rte_event_timer_adapter *adapter; > + int ret; > + struct rte_eventdev *dev; > + > + if (adapters[adapter_id].allocated) > + return &adapters[adapter_id]; /* Adapter is already loaded */ > + > + snprintf(name, DATA_MZ_NAME_MAX_LEN, DATA_MZ_NAME_FORMAT, adapter_id); > + mz = rte_memzone_lookup(name); > + if (mz == NULL) { > + rte_errno = -ENOENT; > + return NULL; > + } > + > + data = mz->addr; > + > + adapter = &adapters[data->id]; > + adapter->data = data; > + > + dev = &rte_eventdevs[adapter->data->event_dev_id]; > + > + /* Query eventdev PMD for timer adapter capabilities and ops */ > + ret = dev->dev_ops->timer_adapter_caps_get(dev, > + &adapter->data->caps, > + &adapter->ops); Same as above. > + if (ret < 0) { > + rte_errno = -EINVAL; > + return NULL; > + } > + > + /* Set fast-path function pointers */ > + adapter->arm_burst = adapter->ops->arm_burst; > + adapter->arm_tmo_tick_burst = adapter->ops->arm_tmo_tick_burst; > + adapter->cancel_burst = adapter->ops->cancel_burst; > + > + adapter->allocated = 1; > + > + return adapter; > +} > + > +int > +rte_event_timer_arm_burst(const struct rte_event_timer_adapter *adapter, > + struct rte_event_timer **event_timers, > + uint16_t nb_event_timers) > +{ > + int ret; > + > + ADAPTER_VALID_OR_ERR_RET(adapter, -EINVAL); > + FUNC_PTR_OR_ERR_RET(adapter->arm_burst, -EINVAL); > + > + if (!adapter->data->started) > + return -EAGAIN; These checks are datapath heavy so enable them under debug compilation. > + > + ret = adapter->arm_burst(adapter, event_timers, nb_event_timers); > + if (ret < 0) > + return ret; > + > + return 0; when burst is called we need to return the number of timers successfully set and free the failures. Return the result directly. > +} > + > +int > +rte_event_timer_arm_tmo_tick_burst( > + const struct rte_event_timer_adapter *adapter, > + struct rte_event_timer **event_timers, > + const uint64_t timeout_ticks, > + const uint16_t nb_event_timers) > +{ > + int ret; > + > + ADAPTER_VALID_OR_ERR_RET(adapter, -EINVAL); > + FUNC_PTR_OR_ERR_RET(adapter->arm_tmo_tick_burst, -EINVAL); > + > + if (!adapter->data->started) > + return -EAGAIN; > + > + for (int i = 0; i < nb_event_timers; i++) > + event_timers[i]->timeout_ticks = timeout_ticks; > + > + ret = adapter->arm_tmo_tick_burst(adapter, event_timers, timeout_ticks, > + nb_event_timers); > + if (ret < 0) > + return ret; > + > + return 0; Same as above. > +} > + > +int > +rte_event_timer_cancel_burst(const struct rte_event_timer_adapter *adapter, > + struct rte_event_timer **event_timers, > + uint16_t nb_event_timers) > +{ > + int ret; > + > + ADAPTER_VALID_OR_ERR_RET(adapter, -EINVAL); > + FUNC_PTR_OR_ERR_RET(adapter->cancel_burst, -EINVAL); > + > + if (!adapter->data->started) > + return -EAGAIN; > + > + ret = adapter->cancel_burst(adapter, event_timers, nb_event_timers); > + if (ret < 0) > + return ret; > + > + return 0; Same as above. > +} > diff --git a/lib/librte_eventdev/rte_event_timer_adapter_driver.h b/lib/librte_eventdev/rte_event_timer_adapter_driver.h Consider naming this _pmd.h for consistency > new file mode 100644 > index 0000000..485fad1 > --- /dev/null > +++ b/lib/librte_eventdev/rte_event_timer_adapter_driver.h > @@ -0,0 +1,159 @@ Regards, Pavan.