From: Bruce Richardson <bruce.richardson@intel.com>
Date: Thu, 30 Mar 2017 19:30:33 +0000 (+0100)
Subject: event/sw: add configure function
X-Git-Tag: spdx-start~3847
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=1c6c0e4c311a7acda871d7565d2a6531deeafffa

event/sw: add configure function

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---

diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
index 907125e194..7166ef5497 100644
--- a/drivers/event/sw/sw_evdev.c
+++ b/drivers/event/sw/sw_evdev.c
@@ -44,6 +44,23 @@
 #define SCHED_QUANTA_ARG "sched_quanta"
 #define CREDIT_QUANTA_ARG "credit_quanta"
 
+static int
+sw_dev_configure(const struct rte_eventdev *dev)
+{
+	struct sw_evdev *sw = sw_pmd_priv(dev);
+	const struct rte_eventdev_data *data = dev->data;
+	const struct rte_event_dev_config *conf = &data->dev_conf;
+
+	sw->qid_count = conf->nb_event_queues;
+	sw->port_count = conf->nb_event_ports;
+	sw->nb_events_limit = conf->nb_events_limit;
+
+	if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)
+		return -ENOTSUP;
+
+	return 0;
+}
+
 static void
 sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
 {
@@ -100,6 +117,7 @@ static int
 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,
 	};
 
diff --git a/drivers/event/sw/sw_evdev.h b/drivers/event/sw/sw_evdev.h
index ab315d4e6a..fda57df0d5 100644
--- a/drivers/event/sw/sw_evdev.h
+++ b/drivers/event/sw/sw_evdev.h
@@ -35,6 +35,7 @@
 
 #include <rte_eventdev.h>
 #include <rte_eventdev_pmd.h>
+#include <rte_atomic.h>
 
 #define SW_DEFAULT_CREDIT_QUANTA 32
 #define SW_DEFAULT_SCHED_QUANTA 128
@@ -129,7 +130,17 @@ struct sw_qid {
 struct sw_evdev {
 	struct rte_eventdev_data *data;
 
+	uint32_t port_count;
+	uint32_t qid_count;
+
+	/*
+	 * max events in this instance. Cached here for performance.
+	 * (also available in data->conf.nb_events_limit)
+	 */
+	uint32_t nb_events_limit;
+
 	int32_t sched_quanta;
+
 	uint32_t credit_update_quanta;
 };