[dpdk-dev,v2,17/38] event/octeontx: add start function
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Commit Message
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Gage Eads <gage.eads@intel.com>
---
drivers/event/octeontx/ssovf_evdev.c | 49 +++++++++++++++++++++++++++++++++-
drivers/event/octeontx/ssovf_evdev.h | 2 ++
drivers/event/octeontx/ssovf_worker.c | 50 +++++++++++++++++++++++++++++++++++
3 files changed, 100 insertions(+), 1 deletion(-)
@@ -149,6 +149,23 @@ ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
}
static void
+ssovf_fastpath_fns_set(struct rte_eventdev *dev)
+{
+ struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
+
+ dev->schedule = NULL;
+ dev->enqueue = ssows_enq;
+ dev->enqueue_burst = ssows_enq_burst;
+ dev->dequeue = ssows_deq;
+ dev->dequeue_burst = ssows_deq_burst;
+
+ if (edev->is_timeout_deq) {
+ dev->dequeue = ssows_deq_timeout;
+ dev->dequeue_burst = ssows_deq_timeout_burst;
+ }
+}
+
+static void
ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
{
struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
@@ -382,6 +399,33 @@ ssovf_dump(struct rte_eventdev *dev, FILE *f)
ssows_dump(dev->data->ports[port], f);
}
+static int
+ssovf_start(struct rte_eventdev *dev)
+{
+ struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
+ struct ssows *ws;
+ uint8_t *base;
+ uint8_t i;
+
+ ssovf_func_trace();
+ for (i = 0; i < edev->nb_event_ports; i++) {
+ ws = dev->data->ports[i];
+ ssows_reset(ws);
+ ws->swtag_req = 0;
+ }
+
+ for (i = 0; i < edev->nb_event_queues; i++) {
+ /* Consume all the events through HWS0 */
+ ssows_flush_events(dev->data->ports[0], i);
+
+ base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
+ base += SSO_VHGRP_QCTL;
+ ssovf_write64(1, base); /* Enable SSO group */
+ }
+
+ ssovf_fastpath_fns_set(dev);
+ return 0;
+}
/* Initialize and register event driver with DPDK Application */
static const struct rte_eventdev_ops ssovf_ops = {
.dev_infos_get = ssovf_info_get,
@@ -396,6 +440,7 @@ static const struct rte_eventdev_ops ssovf_ops = {
.port_unlink = ssovf_port_unlink,
.timeout_ticks = ssovf_timeout_ticks,
.dump = ssovf_dump,
+ .dev_start = ssovf_start,
};
static int
@@ -425,8 +470,10 @@ ssovf_vdev_probe(const char *name, const char *params)
eventdev->dev_ops = &ssovf_ops;
/* For secondary processes, the primary has done all the work */
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ ssovf_fastpath_fns_set(eventdev);
return 0;
+ }
ret = octeontx_ssovf_info(&oinfo);
if (ret) {
@@ -197,5 +197,7 @@ uint16_t ssows_deq_timeout(void *port, struct rte_event *ev,
uint64_t timeout_ticks);
uint16_t ssows_deq_timeout_burst(void *port, struct rte_event ev[],
uint16_t nb_events, uint64_t timeout_ticks);
+void ssows_flush_events(struct ssows *ws, uint8_t queue_id);
+void ssows_reset(struct ssows *ws);
#endif /* __SSOVF_EVDEV_H__ */
@@ -290,3 +290,53 @@ ssows_enq_burst(void *port, const struct rte_event ev[], uint16_t nb_events)
return ssows_enq(port, ev);
}
+void
+ssows_flush_events(struct ssows *ws, uint8_t queue_id)
+{
+ uint32_t reg_off;
+ uint64_t aq_cnt = 1;
+ uint64_t cq_ds_cnt = 1;
+ uint64_t enable, get_work0, get_work1;
+ uint8_t *base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, queue_id, 0);
+
+ RTE_SET_USED(get_work0);
+ RTE_SET_USED(get_work1);
+
+ enable = ssovf_read64(base + SSO_VHGRP_QCTL);
+ if (!enable)
+ return;
+
+ reg_off = SSOW_VHWS_OP_GET_WORK0;
+ reg_off |= 1 << 17; /* Grouped */
+ reg_off |= 1 << 16; /* WAIT */
+ reg_off |= queue_id << 4; /* INDEX_GGRP_MASK(group number) */
+ while (aq_cnt || cq_ds_cnt) {
+ aq_cnt = ssovf_read64(base + SSO_VHGRP_AQ_CNT);
+ cq_ds_cnt = ssovf_read64(base + SSO_VHGRP_INT_CNT);
+ /* Extract cq and ds count */
+ cq_ds_cnt &= 0x1FFF1FFF0000;
+ ssovf_load_pair(get_work0, get_work1, ws->base + reg_off);
+ }
+}
+
+void
+ssows_reset(struct ssows *ws)
+{
+ uint64_t tag;
+ uint64_t pend_tag;
+ uint8_t pend_tt;
+ uint8_t tt;
+
+ tag = ssovf_read64(ws->base + SSOW_VHWS_TAG);
+ pend_tag = ssovf_read64(ws->base + SSOW_VHWS_PENDTAG);
+
+ if (pend_tag & (1ULL << 63)) { /* Tagswitch pending */
+ pend_tt = (pend_tag >> 32) & 0x3;
+ if (pend_tt == SSO_SYNC_ORDERED || pend_tt == SSO_SYNC_ATOMIC)
+ ssows_desched(ws);
+ } else {
+ tt = (tag >> 32) & 0x3;
+ if (tt == SSO_SYNC_ORDERED || tt == SSO_SYNC_ATOMIC)
+ ssows_swtag_untag(ws);
+ }
+}