From: Bruce Richardson <bruce.richard...@intel.com>
Signed-off-by: Bruce Richardson <bruce.richard...@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haa...@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
