event/sw: add configure function
authorBruce Richardson <bruce.richardson@intel.com>
Thu, 30 Mar 2017 19:30:33 +0000 (20:30 +0100)
committerJerin Jacob <jerin.jacob@caviumnetworks.com>
Tue, 4 Apr 2017 17:19:51 +0000 (19:19 +0200)
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>
drivers/event/sw/sw_evdev.c
drivers/event/sw/sw_evdev.h

index 907125e..7166ef5 100644 (file)
 #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,
        };
 
index ab315d4..fda57df 100644 (file)
@@ -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;
 };