From patchwork Mon Dec 19 06:20:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Naga Harish K, S V" X-Patchwork-Id: 121004 X-Patchwork-Delegate: jerinj@marvell.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 75244A00C5; Mon, 19 Dec 2022 07:20:08 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0B47C40698; Mon, 19 Dec 2022 07:20:08 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mails.dpdk.org (Postfix) with ESMTP id 97B0240695 for ; Mon, 19 Dec 2022 07:20:06 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1671430806; x=1702966806; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UeSvfDbXKk3t9MlAcZQeIbqPWc80OJMG59fFXRDO614=; b=Xt6wgkipbM+lEjV1WJyqWNM9eZxOthQxr0VVHtblnsjWHIn+T59gNk89 Z85u7enSB38FRT2TDNscx3XdbJYByCm7cKcSe7X8Jj+e7Ay2ZBfxr9ZUb QBKNEHC1ynNrtzmFdpxybW/u+rQrzeEj8msQuJhvLrYNR0ZWdUFDqPrQu rs8ja8bQy6yVsKX0Q2ii/yc7KkK/5+L335IVKWdINJXWIcrsdkwhu3JJl GwrprVhbtMCc0L5Z6gSxZBW+7yKViZBx1eMRGMItfdcbTglMmVztxEoMo DvTEkXBX8Ogouhkh220RAWHzeVkafZQsae2po74Be9QkZORZmNH8jpjm3 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10565"; a="299610771" X-IronPort-AV: E=Sophos;i="5.96,255,1665471600"; d="scan'208";a="299610771" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Dec 2022 22:20:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10565"; a="792762931" X-IronPort-AV: E=Sophos;i="5.96,255,1665471600"; d="scan'208";a="792762931" Received: from txandevlnx322.an.intel.com ([10.123.117.44]) by fmsmga001.fm.intel.com with ESMTP; 18 Dec 2022 22:20:05 -0800 From: Naga Harish K S V To: jerinj@marvell.com, erik.g.carrillo@intel.com, abhinandan.gujjar@intel.com Cc: dev@dpdk.org, jay.jayatheerthan@intel.com Subject: [PATCH v4] eventdev/timer: change eventdev reconfig logic Date: Mon, 19 Dec 2022 00:20:02 -0600 Message-Id: <20221219062002.2556277-1-s.v.naga.harish.k@intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20221219053315.2538180-4-s.v.naga.harish.k@intel.com> References: <20221219053315.2538180-4-s.v.naga.harish.k@intel.com> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org When rte_event_timer_adapter_create() is used for creating adapter instance, eventdev is reconfigured with additional ``rte_event_dev_config::nb_event_ports`` parameter. This eventdev reconfig logic is enhanced to increment the ``rte_event_dev_config::nb_single_link_event_port_queues`` parameter if the adapter event port config is of type ``RTE_EVENT_PORT_CFG_SINGLE_LINK``. With this change the application is no longer need to configure the eventdev with ``rte_event_dev_config::nb_single_link_event_port_queues`` parameter required for timer adapter when the adapter is created using above mentioned api. Signed-off-by: Naga Harish K S V --- v2: * fix build error in documentation v3: * update doxygen v4: * fix programmer guide --- --- doc/guides/prog_guide/event_timer_adapter.rst | 17 ++++++++++++++ lib/eventdev/rte_event_timer_adapter.c | 23 +++++++++++-------- lib/eventdev/rte_event_timer_adapter.h | 13 +++++++++++ 3 files changed, 43 insertions(+), 10 deletions(-) diff --git a/doc/guides/prog_guide/event_timer_adapter.rst b/doc/guides/prog_guide/event_timer_adapter.rst index d7307a29bb..b457c879b0 100644 --- a/doc/guides/prog_guide/event_timer_adapter.rst +++ b/doc/guides/prog_guide/event_timer_adapter.rst @@ -139,6 +139,23 @@ This function is passed a callback function that will be invoked if the adapter needs to create an event port, giving the application the opportunity to control how it is done. +Event device configuration for service based adapter +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +When rte_event_timer_adapter_create() is used for creating +adapter instance, eventdev is reconfigured with additional +``rte_event_dev_config::nb_event_ports`` parameter. +This eventdev reconfig logic also increment the +``rte_event_dev_config::nb_single_link_event_port_queues`` +parameter if the adapter event port config is of type +``RTE_EVENT_PORT_CFG_SINGLE_LINK``. + +So the application is no longer need to configure the +event device with ``rte_event_dev_config::nb_event_ports`` and +``rte_event_dev_config::nb_single_link_event_port_queues`` +parameters required for timer adapter when the adapter is created +using above mentioned api. + Adapter modes ^^^^^^^^^^^^^ An event timer adapter can be configured in either periodic or non-periodic mode diff --git a/lib/eventdev/rte_event_timer_adapter.c b/lib/eventdev/rte_event_timer_adapter.c index a0f14bf861..5ed233db00 100644 --- a/lib/eventdev/rte_event_timer_adapter.c +++ b/lib/eventdev/rte_event_timer_adapter.c @@ -88,7 +88,20 @@ default_port_conf_cb(uint16_t id, uint8_t event_dev_id, uint8_t *event_port_id, rte_event_dev_stop(dev_id); port_id = dev_conf.nb_event_ports; + if (conf_arg != NULL) + port_conf = conf_arg; + else { + port_conf = &def_port_conf; + ret = rte_event_port_default_conf_get(dev_id, port_id, + port_conf); + if (ret < 0) + return ret; + } + dev_conf.nb_event_ports += 1; + if (port_conf->event_port_cfg & RTE_EVENT_PORT_CFG_SINGLE_LINK) + dev_conf.nb_single_link_event_port_queues += 1; + ret = rte_event_dev_configure(dev_id, &dev_conf); if (ret < 0) { EVTIM_LOG_ERR("failed to configure event dev %u\n", dev_id); @@ -99,16 +112,6 @@ default_port_conf_cb(uint16_t id, uint8_t event_dev_id, uint8_t *event_port_id, return ret; } - if (conf_arg != NULL) - port_conf = conf_arg; - else { - port_conf = &def_port_conf; - ret = rte_event_port_default_conf_get(dev_id, port_id, - port_conf); - if (ret < 0) - return ret; - } - ret = rte_event_port_setup(dev_id, port_id, port_conf); if (ret < 0) { EVTIM_LOG_ERR("failed to setup event port %u on event dev %u\n", diff --git a/lib/eventdev/rte_event_timer_adapter.h b/lib/eventdev/rte_event_timer_adapter.h index cd10db19e4..4b757773db 100644 --- a/lib/eventdev/rte_event_timer_adapter.h +++ b/lib/eventdev/rte_event_timer_adapter.h @@ -212,6 +212,19 @@ typedef int (*rte_event_timer_adapter_port_conf_cb_t)(uint16_t id, * * This function must be invoked first before any other function in the API. * + * When this API is used for creating adapter instance, eventdev is + * reconfigured with additional ``rte_event_dev_config::nb_event_ports`` + * parameter during service initialization. This eventdev reconfig logic also + * increment the ``rte_event_dev_config::nb_single_link_event_port_queues`` + * parameter if the adapter event port config is of type + * ``RTE_EVENT_PORT_CFG_SINGLE_LINK``. + * + * So the application is no longer need to account for + * ``rte_event_dev_config::nb_event_ports`` and + * ``rte_event_dev_config::nb_single_link_event_port_queues`` + * parameters required for Timer adapter in eventdev configure when + * the adapter is created with this api. + * * @param conf * The event timer adapter configuration structure. *