From patchwork Wed Mar 29 23:25:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Van Haaren, Harry" X-Patchwork-Id: 22848 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 [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 58C3610CBE; Thu, 30 Mar 2017 02:39:23 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 7CA539E3 for ; Thu, 30 Mar 2017 01:26:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=intel; t=1490829991; x=1522365991; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=x4Fqmyn+GK5x9EJV3AhmvqnoyTUYdlSuwO0h77OBacA=; b=sUMB+cDnE3hcwDM2ZUXKcz5Naw3Vlc3RyijGzKRY7HdYPfSPP0SUSu+h VbOZCOkoV/e6tPeMeoi/8Ra3BFXejQ==; Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Mar 2017 16:26:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,243,1486454400"; d="scan'208";a="82491242" Received: from silpixa00398672.ir.intel.com ([10.237.223.128]) by fmsmga006.fm.intel.com with ESMTP; 29 Mar 2017 16:26:30 -0700 From: Harry van Haaren To: dev@dpdk.org Cc: jerin.jacob@caviumnetworks.com, Bruce Richardson , Harry van Haaren Date: Thu, 30 Mar 2017 00:25:54 +0100 Message-Id: <1490829963-106807-13-git-send-email-harry.van.haaren@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490829963-106807-1-git-send-email-harry.van.haaren@intel.com> References: <1490374395-149320-1-git-send-email-harry.van.haaren@intel.com> <1490829963-106807-1-git-send-email-harry.van.haaren@intel.com> Subject: [dpdk-dev] [PATCH v6 12/21] event/sw: add start stop and close functions 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: Bruce Richardson Signed-off-by: Bruce Richardson Signed-off-by: Harry van Haaren Acked-by: Jerin Jacob --- v6: - Removed printf() using SW_LOG_ERR instead (Jerin) - Added rte_smp_wmb() to start() and stop() (Jerin) - Improved error return values from start() (Jerin) --- drivers/event/sw/sw_evdev.c | 78 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c index f91a04b..04ab7ad 100644 --- a/drivers/event/sw/sw_evdev.c +++ b/drivers/event/sw/sw_evdev.c @@ -442,6 +442,81 @@ sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info) } static int +sw_start(struct rte_eventdev *dev) +{ + unsigned int i, j; + struct sw_evdev *sw = sw_pmd_priv(dev); + /* check all ports are set up */ + for (i = 0; i < sw->port_count; i++) + if (sw->ports[i].rx_worker_ring == NULL) { + SW_LOG_ERR("%s %d: port %d not configured\n", + __func__, __LINE__, i); + return -EINVAL; + } + + /* check all queues are configured and mapped to ports*/ + for (i = 0; i < sw->qid_count; i++) + if (sw->qids[i].iq[0] == NULL || + sw->qids[i].cq_num_mapped_cqs == 0) { + SW_LOG_ERR("%s %d: queue %d not configured\n", + __func__, __LINE__, i); + return -EDEADLK; + } + + /* build up our prioritized array of qids */ + /* We don't use qsort here, as if all/multiple entries have the same + * priority, the result is non-deterministic. From "man 3 qsort": + * "If two members compare as equal, their order in the sorted + * array is undefined." + */ + uint32_t qidx = 0; + for (j = 0; j <= RTE_EVENT_DEV_PRIORITY_LOWEST; j++) { + for (i = 0; i < sw->qid_count; i++) { + if (sw->qids[i].priority == j) { + sw->qids_prioritized[qidx] = &sw->qids[i]; + qidx++; + } + } + } + + rte_smp_wmb(); + sw->started = 1; + + return 0; +} + +static void +sw_stop(struct rte_eventdev *dev) +{ + struct sw_evdev *sw = sw_pmd_priv(dev); + sw->started = 0; + rte_smp_wmb(); +} + +static int +sw_close(struct rte_eventdev *dev) +{ + struct sw_evdev *sw = sw_pmd_priv(dev); + uint32_t i; + + for (i = 0; i < sw->qid_count; i++) + sw_queue_release(dev, i); + sw->qid_count = 0; + + for (i = 0; i < sw->port_count; i++) + sw_port_release(&sw->ports[i]); + sw->port_count = 0; + + memset(&sw->stats, 0, sizeof(sw->stats)); + sw->sched_called = 0; + sw->sched_no_iq_enqueues = 0; + sw->sched_no_cq_enqueues = 0; + sw->sched_cq_qid_called = 0; + + return 0; +} + +static int assign_numa_node(const char *key __rte_unused, const char *value, void *opaque) { int *socket_id = opaque; @@ -477,6 +552,9 @@ sw_probe(const char *name, const char *params) static const struct rte_eventdev_ops evdev_sw_ops = { .dev_configure = sw_dev_configure, .dev_infos_get = sw_info_get, + .dev_close = sw_close, + .dev_start = sw_start, + .dev_stop = sw_stop, .queue_def_conf = sw_queue_def_conf, .queue_setup = sw_queue_setup,