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event/sw: add start stop and close functions

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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>
This commit is contained in:
Bruce Richardson 2017-03-30 20:30:40 +01:00 committed by Jerin Jacob
parent 617995dfc5
commit 374acbf7aa
1 changed files with 76 additions and 0 deletions
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76
drivers/event/sw/sw_evdev.c
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@ -441,6 +441,79 @@ sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
*info = evdev_sw_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("Port %d not configured\n", i);
return -ESTALE;
}
/* 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("Queue %d not configured\n", i);
return -ENOLINK;
}
/* 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)
{
@ -477,6 +550,9 @@ 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,