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>
Acked-by: Jerin Jacob <jerin.ja...@caviumnetworks.com>
---
v6:
- Removed printf() using SW_LOG_ERR instead (Jerin)
- Added rte_smp_wmb() to start() and stop() (Jerin)
- Improved error return values from start() (Jerin)
---
drivers/event/sw/sw_evdev.c | 78 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
index f91a04b..04ab7ad 100644
--- a/drivers/event/sw/sw_evdev.c
+++ b/drivers/event/sw/sw_evdev.c
@@ -442,6 +442,81 @@ sw_info_get(struct rte_eventdev *dev, struct
rte_event_dev_info *info)
}
static int
+sw_start(struct rte_eventdev *dev)
+{
+ unsigned int i, j;
+ struct sw_evdev *sw = sw_pmd_priv(dev);
+ /* check all ports are set up */
+ for (i = 0; i < sw->port_count; i++)
+ if (sw->ports[i].rx_worker_ring == NULL) {
+ SW_LOG_ERR("%s %d: port %d not configured\n",
+ __func__, __LINE__, i);
+ return -EINVAL;
+ }
+
+ /* check all queues are configured and mapped to ports*/
+ for (i = 0; i < sw->qid_count; i++)
+ if (sw->qids[i].iq[0] == NULL ||
+ sw->qids[i].cq_num_mapped_cqs == 0) {
+ SW_LOG_ERR("%s %d: queue %d not configured\n",
+ __func__, __LINE__, i);
+ return -EDEADLK;
+ }
+
+ /* build up our prioritized array of qids */
+ /* We don't use qsort here, as if all/multiple entries have the same
+ * priority, the result is non-deterministic. From "man 3 qsort":
+ * "If two members compare as equal, their order in the sorted
+ * array is undefined."
+ */
+ uint32_t qidx = 0;
+ for (j = 0; j <= RTE_EVENT_DEV_PRIORITY_LOWEST; j++) {
+ for (i = 0; i < sw->qid_count; i++) {
+ if (sw->qids[i].priority == j) {
+ sw->qids_prioritized[qidx] = &sw->qids[i];
+ qidx++;
+ }
+ }
+ }
+
+ rte_smp_wmb();
+ sw->started = 1;
+
+ return 0;
+}
+
+static void
+sw_stop(struct rte_eventdev *dev)
+{
+ struct sw_evdev *sw = sw_pmd_priv(dev);
+ sw->started = 0;
+ rte_smp_wmb();
+}
+
+static int
+sw_close(struct rte_eventdev *dev)
+{
+ struct sw_evdev *sw = sw_pmd_priv(dev);
+ uint32_t i;
+
+ for (i = 0; i < sw->qid_count; i++)
+ sw_queue_release(dev, i);
+ sw->qid_count = 0;
+
+ for (i = 0; i < sw->port_count; i++)
+ sw_port_release(&sw->ports[i]);
+ sw->port_count = 0;
+
+ memset(&sw->stats, 0, sizeof(sw->stats));
+ sw->sched_called = 0;
+ sw->sched_no_iq_enqueues = 0;
+ sw->sched_no_cq_enqueues = 0;
+ sw->sched_cq_qid_called = 0;
+
+ return 0;
+}
+
+static int
assign_numa_node(const char *key __rte_unused, const char *value, void *opaque)
{
int *socket_id = opaque;
@@ -477,6 +552,9 @@ 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,
+ .dev_close = sw_close,
+ .dev_start = sw_start,
+ .dev_stop = sw_stop,
.queue_def_conf = sw_queue_def_conf,
.queue_setup = sw_queue_setup,
--
2.7.4
