[dpdk-dev] [PATCH 05/15] event/sw: add configure function

[Harry van Haaren <harry.van.haaren@intel.com>]

From: Bruce Richardson <bruce.richardson@intel.com>

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
---
 drivers/event/sw/sw_evdev.c | 17 +++++++++++++++++
 drivers/event/sw/sw_evdev.h | 13 +++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
index d75bf50..1bdcc05 100644
--- a/drivers/event/sw/sw_evdev.c
+++ b/drivers/event/sw/sw_evdev.c
@@ -45,6 +45,22 @@
 
 int sched_quanta = 128;
 
+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;
+	uint32_t quanta_pool = conf->nb_events_limit / SW_INFLIGHT_QUANTA_SIZE;
+	rte_atomic32_set(&sw->inflight_quanta, quanta_pool);
+
+	return 0;
+}
+
 static void
 sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
 {
@@ -91,6 +107,7 @@ 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 b6d99fd..514b0b1 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 PMD_NAME "event_sw"
 
@@ -46,9 +47,21 @@
 #define SW_INFLIGHT_EVENTS_TOTAL 4096
 /* allow for lots of over-provisioning */
 #define MAX_SW_PROD_Q_DEPTH 4096
+#define SW_INFLIGHT_QUANTA_SIZE 32
 
 struct sw_evdev {
 	struct rte_eventdev_data *data;
+
+	uint32_t port_count;
+	uint32_t qid_count;
+
+	rte_atomic32_t inflight_quanta __rte_cache_aligned;
+	/*
+	 * max events in this instance. Cached here for performance.
+	 * (also available in data->conf.nb_events_limit)
+	 */
+	uint32_t nb_events_limit;
+
 };
 
 static inline struct sw_evdev *
-- 
2.7.4