DPDK patches and discussions
 help / color / Atom feed
From: Tim McDaniel <timothy.mcdaniel@intel.com>
To: jerinj@marvell.com
Cc: mattias.ronnblom@ericsson.com, dev@dpdk.org, gage.eads@intel.com,
	harry.van.haaren@intel.com, "McDaniel,
	Timothy" <timothy.mcdaniel@intel.com>
Subject: [dpdk-dev] [PATCH 23/27] event/dlb: add eventdev_start
Date: Fri, 26 Jun 2020 23:37:47 -0500
Message-ID: <1593232671-5690-24-git-send-email-timothy.mcdaniel@intel.com> (raw)
In-Reply-To: <1593232671-5690-1-git-send-email-timothy.mcdaniel@intel.com>

From: "McDaniel, Timothy" <timothy.mcdaniel@intel.com>

Signed-off-by: McDaniel, Timothy <timothy.mcdaniel@intel.com>
---
 drivers/event/dlb/dlb.c |  142 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)

diff --git a/drivers/event/dlb/dlb.c b/drivers/event/dlb/dlb.c
index ac97f4d..d93b159 100644
--- a/drivers/event/dlb/dlb.c
+++ b/drivers/event/dlb/dlb.c
@@ -1155,6 +1155,72 @@ int dlb_string_to_int(int *result, const char *str)
 	*dev_info = evdev_dlb_default_info;
 }
 
+static int
+dlb_eventdev_reapply_configuration(struct rte_eventdev *dev);
+
+static int
+dlb_eventdev_apply_port_links(struct rte_eventdev *dev);
+
+static int
+dlb_eventdev_start(struct rte_eventdev *dev)
+{
+	struct dlb_eventdev *dlb = dlb_pmd_priv(dev);
+	struct dlb_hw_dev *handle = &dlb->qm_instance;
+	struct dlb_start_domain_args cfg;
+	struct dlb_cmd_response response;
+	int ret, i;
+
+	rte_spinlock_lock(&dlb->qm_instance.resource_lock);
+	if (dlb->run_state != DLB_RUN_STATE_STOPPED) {
+		DLB_LOG_ERR("bad state %d for dev_start\n",
+			    (int)dlb->run_state);
+		rte_spinlock_unlock(&dlb->qm_instance.resource_lock);
+		return -EINVAL;
+	}
+	dlb->run_state	= DLB_RUN_STATE_STARTING;
+	rte_spinlock_unlock(&dlb->qm_instance.resource_lock);
+
+	/* If the device was configured more than once, some event ports and/or
+	 * queues may need to be reconfigured.
+	 */
+	ret = dlb_eventdev_reapply_configuration(dev);
+	if (ret)
+		return ret;
+
+	/* The DLB PMD delays port links until the device is started. */
+	ret = dlb_eventdev_apply_port_links(dev);
+	if (ret)
+		return ret;
+
+	cfg.response = (uintptr_t)&response;
+
+	for (i = 0; i < dlb->num_ports; i++) {
+		if (!dlb->ev_ports[i].setup_done) {
+			DLB_LOG_ERR("dlb: port %d not setup", i);
+			return -ESTALE;
+		}
+	}
+
+	for (i = 0; i < dlb->num_queues; i++) {
+		if (dlb->ev_queues[i].num_links == 0) {
+			DLB_LOG_ERR("dlb: queue %d is not linked", i);
+			return -ENOLINK;
+		}
+	}
+
+	ret = dlb_iface_sched_domain_start(handle, &cfg);
+	if (ret < 0) {
+		DLB_LOG_ERR("dlb: sched_domain_start ret=%d (driver status: %s)\n",
+			    ret, dlb_error_strings[response.status]);
+		return ret;
+	}
+
+	dlb->run_state = DLB_RUN_STATE_STARTED;
+	DLB_LOG_DBG("dlb: sched_domain_start completed OK\n");
+
+	return 0;
+}
+
 static inline int
 dlb_check_enqueue_sw_credits(struct dlb_eventdev *dlb,
 			     struct dlb_eventdev_port *ev_port)
@@ -2051,6 +2117,40 @@ int dlb_string_to_int(int *result, const char *str)
 }
 
 static int
+dlb_eventdev_apply_port_links(struct rte_eventdev *dev)
+{
+	struct dlb_eventdev *dlb = dlb_pmd_priv(dev);
+	int i;
+
+	/* Perform requested port->queue links */
+	for (i = 0; i < dlb->num_ports; i++) {
+		struct dlb_eventdev_port *ev_port = &dlb->ev_ports[i];
+		int j;
+
+		for (j = 0; j < DLB_MAX_NUM_QIDS_PER_LDB_CQ; j++) {
+			struct dlb_eventdev_queue *ev_queue;
+			uint8_t prio, queue_id;
+
+			if (!ev_port->link[j].valid)
+				continue;
+
+			prio = ev_port->link[j].priority;
+			queue_id = ev_port->link[j].queue_id;
+
+			if (dlb_validate_port_link(ev_port, queue_id, true, j))
+				return -EINVAL;
+
+			ev_queue = &dlb->ev_queues[queue_id];
+
+			if (dlb_do_port_link(dev, ev_queue, ev_port, prio))
+				return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int
 dlb_eventdev_port_link(struct rte_eventdev *dev, void *event_port,
 		       const uint8_t queues[], const uint8_t priorities[],
 		       uint16_t nb_links)
@@ -2531,6 +2631,47 @@ static int dlb_num_dir_queues_setup(struct dlb_eventdev *dlb)
 }
 
 static int
+dlb_eventdev_reapply_configuration(struct rte_eventdev *dev)
+{
+	struct dlb_eventdev *dlb = dlb_pmd_priv(dev);
+	int ret, i;
+
+	/* If an event queue or port was previously configured, but hasn't been
+	 * reconfigured, reapply its original configuration.
+	 */
+	for (i = 0; i < dlb->num_queues; i++) {
+		struct dlb_eventdev_queue *ev_queue;
+
+		ev_queue = &dlb->ev_queues[i];
+
+		if (ev_queue->qm_queue.config_state != DLB_PREV_CONFIGURED)
+			continue;
+
+		ret = dlb_eventdev_queue_setup(dev, i, &ev_queue->conf);
+		if (ret < 0) {
+			DLB_LOG_ERR("dlb: failed to reconfigure queue %d", i);
+			return ret;
+		}
+	}
+
+	for (i = 0; i < dlb->num_ports; i++) {
+		struct dlb_eventdev_port *ev_port = &dlb->ev_ports[i];
+
+		if (ev_port->qm_port.config_state != DLB_PREV_CONFIGURED)
+			continue;
+
+		ret = dlb_eventdev_port_setup(dev, i, &ev_port->conf);
+		if (ret < 0) {
+			DLB_LOG_ERR("dlb: failed to reconfigure ev_port %d",
+				    i);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int
 dlb_eventdev_port_unlink(struct rte_eventdev *dev, void *event_port,
 			 uint8_t queues[], uint16_t nb_unlinks)
 {
@@ -2732,6 +2873,7 @@ static int dlb_num_dir_queues_setup(struct dlb_eventdev *dlb)
 	static struct rte_eventdev_ops dlb_eventdev_entry_ops = {
 		.dev_infos_get    = dlb_eventdev_info_get,
 		.dev_configure    = dlb_eventdev_configure,
+		.dev_start        = dlb_eventdev_start,
 		.queue_def_conf   = dlb_eventdev_queue_default_conf_get,
 		.queue_setup      = dlb_eventdev_queue_setup,
 		.queue_release    = dlb_eventdev_queue_release,
-- 
1.7.10


  parent reply index

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-27  4:37 [dpdk-dev] [PATCH 00/27] event/dlb Intel DLB PMD Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 01/27] eventdev: dlb upstream prerequisites Tim McDaniel
2020-06-27  7:44   ` Jerin Jacob
2020-06-29 19:30     ` McDaniel, Timothy
2020-06-30  4:21       ` Jerin Jacob
2020-06-30 15:37         ` McDaniel, Timothy
2020-06-30 15:57           ` Jerin Jacob
2020-06-30 19:26             ` McDaniel, Timothy
2020-06-30 20:40               ` Pavan Nikhilesh Bhagavatula
2020-06-30 21:07                 ` McDaniel, Timothy
2020-07-01  4:50               ` Jerin Jacob
2020-07-01 16:48                 ` McDaniel, Timothy
2020-06-30 11:22     ` Kinsella, Ray
2020-06-30 11:30       ` Jerin Jacob
2020-06-30 11:36         ` Kinsella, Ray
2020-06-30 12:14           ` Jerin Jacob
2020-07-02 15:21             ` Kinsella, Ray
2020-07-02 16:35               ` McDaniel, Timothy
2020-06-27  4:37 ` [dpdk-dev] [PATCH 02/27] eventdev: do not pass disable_implicit_release bit to trace macro Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 03/27] event/dlb: add shared code version 10.7.9 Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 04/27] event/dlb: add make and meson build infrastructure Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 05/27] event/dlb: add DLB documentation Tim McDaniel
2020-07-09  3:29   ` Eads, Gage
2020-06-27  4:37 ` [dpdk-dev] [PATCH 06/27] event/dlb: add dynamic logging Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 07/27] event/dlb: add private data structures and constants Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 08/27] event/dlb: add definitions shared with LKM or shared code Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 09/27] event/dlb: add inline functions used in multiple files Tim McDaniel
2020-07-07 12:02   ` Bruce Richardson
2020-07-07 14:33     ` McDaniel, Timothy
2020-06-27  4:37 ` [dpdk-dev] [PATCH 10/27] event/dlb: add PFPMD-specific interface layer to shared code Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 11/27] event/dlb: add flexible PMD to device interfaces Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 12/27] event/dlb: add the PMD's public interfaces Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 13/27] event/dlb: add xstats support Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 14/27] event/dlb: add PMD self-tests Tim McDaniel
2020-07-10 20:42   ` Eads, Gage
2020-07-29 18:56     ` McDaniel, Timothy
2020-06-27  4:37 ` [dpdk-dev] [PATCH 15/27] event/dlb: add probe Tim McDaniel
2020-07-09  3:45   ` Eads, Gage
2020-06-27  4:37 ` [dpdk-dev] [PATCH 16/27] event/dlb: add infos_get and configure Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 17/27] event/dlb: add queue_def_conf and port_def_conf Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 18/27] event/dlb: add queue setup Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 19/27] event/dlb: add port_setup Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 20/27] event/dlb: add port_link Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 21/27] event/dlb: add queue_release and port_release Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 22/27] event/dlb: add port_unlink and port_unlinks_in_progress Tim McDaniel
2020-06-27  4:37 ` Tim McDaniel [this message]
2020-06-27  4:37 ` [dpdk-dev] [PATCH 24/27] event/dlb: add timeout_ticks, dump, xstats, and selftest Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 25/27] event/dlb: add enqueue and its burst variants Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 26/27] event/dlb: add dequeue, dequeue_burst, and variants Tim McDaniel
2020-06-27  4:37 ` [dpdk-dev] [PATCH 27/27] event/dlb: add eventdev_stop and eventdev_close Tim McDaniel
     [not found] <1593232671-5690-0-git-send-email-timothy.mcdaniel@intel.com>
2020-07-30 19:49 ` [dpdk-dev] [PATCH 00/27] Add Intel DLM PMD to 20.11 McDaniel, Timothy
2020-07-30 19:50   ` [dpdk-dev] [PATCH 23/27] event/dlb: add eventdev_start McDaniel, Timothy
  -- strict thread matches above, loose matches on Subject: below --
2020-06-12 21:24 [dpdk-dev] [PATCH 00/27] V1 event/dlb add Intel DLB PMD McDaniel, Timothy
2020-06-12 21:24 ` [dpdk-dev] [PATCH 23/27] event/dlb: add eventdev_start McDaniel, Timothy

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1593232671-5690-24-git-send-email-timothy.mcdaniel@intel.com \
    --to=timothy.mcdaniel@intel.com \
    --cc=dev@dpdk.org \
    --cc=gage.eads@intel.com \
    --cc=harry.van.haaren@intel.com \
    --cc=jerinj@marvell.com \
    --cc=mattias.ronnblom@ericsson.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK patches and discussions

Archives are clonable:
	git clone --mirror http://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ http://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev


Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/ public-inbox