event/octeontx2: add worker dual GWS enqueue functions

Add dual workslot mode event enqueue functions.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/event/octeontx2/otx2_evdev.h b/drivers/event/octeontx2/otx2_evdev.h
index 72de9ac..fd2a4c3 100644 (file)
--- a/drivers/event/octeontx2/otx2_evdev.h
+++ b/drivers/event/octeontx2/otx2_evdev.h
@@ -187,6 +187,7 @@ parse_kvargs_value(const char *key, const char *value, void *opaque)
        return 0;
 }
 
+/* Single WS API's */
 uint16_t otx2_ssogws_enq(void *port, const struct rte_event *ev);
 uint16_t otx2_ssogws_enq_burst(void *port, const struct rte_event ev[],
                               uint16_t nb_events);
@@ -204,6 +205,14 @@ uint16_t otx2_ssogws_deq_timeout(void *port, struct rte_event *ev,
 uint16_t otx2_ssogws_deq_timeout_burst(void *port, struct rte_event ev[],
                                       uint16_t nb_events,
                                       uint64_t timeout_ticks);
+/* Dual WS API's */
+uint16_t otx2_ssogws_dual_enq(void *port, const struct rte_event *ev);
+uint16_t otx2_ssogws_dual_enq_burst(void *port, const struct rte_event ev[],
+                                   uint16_t nb_events);
+uint16_t otx2_ssogws_dual_enq_new_burst(void *port, const struct rte_event ev[],
+                                       uint16_t nb_events);
+uint16_t otx2_ssogws_dual_enq_fwd_burst(void *port, const struct rte_event ev[],
+                                       uint16_t nb_events);
 
 /* Init and Fini API's */
 int otx2_sso_init(struct rte_eventdev *event_dev);

diff --git a/drivers/event/octeontx2/otx2_worker_dual.c b/drivers/event/octeontx2/otx2_worker_dual.c
index f762436..661c78c 100644 (file)
--- a/drivers/event/octeontx2/otx2_worker_dual.c
+++ b/drivers/event/octeontx2/otx2_worker_dual.c
@@ -4,3 +4,138 @@
 
 #include "otx2_worker_dual.h"
 #include "otx2_worker.h"
+
+static __rte_noinline uint8_t
+otx2_ssogws_dual_new_event(struct otx2_ssogws_dual *ws,
+                          const struct rte_event *ev)
+{
+       const uint32_t tag = (uint32_t)ev->event;
+       const uint8_t new_tt = ev->sched_type;
+       const uint64_t event_ptr = ev->u64;
+       const uint16_t grp = ev->queue_id;
+
+       if (ws->xaq_lmt <= *ws->fc_mem)
+               return 0;
+
+       otx2_ssogws_dual_add_work(ws, event_ptr, tag, new_tt, grp);
+
+       return 1;
+}
+
+static __rte_always_inline void
+otx2_ssogws_dual_fwd_swtag(struct otx2_ssogws_state *ws,
+                          const struct rte_event *ev)
+{
+       const uint32_t tag = (uint32_t)ev->event;
+       const uint8_t new_tt = ev->sched_type;
+       const uint8_t cur_tt = ws->cur_tt;
+
+       /* 96XX model
+        * cur_tt/new_tt     SSO_SYNC_ORDERED SSO_SYNC_ATOMIC SSO_SYNC_UNTAGGED
+        *
+        * SSO_SYNC_ORDERED        norm           norm             untag
+        * SSO_SYNC_ATOMIC         norm           norm             untag
+        * SSO_SYNC_UNTAGGED       norm           norm             NOOP
+        */
+       if (new_tt == SSO_SYNC_UNTAGGED) {
+               if (cur_tt != SSO_SYNC_UNTAGGED)
+                       otx2_ssogws_swtag_untag((struct otx2_ssogws *)ws);
+       } else {
+               otx2_ssogws_swtag_norm((struct otx2_ssogws *)ws, tag, new_tt);
+       }
+}
+
+static __rte_always_inline void
+otx2_ssogws_dual_fwd_group(struct otx2_ssogws_state *ws,
+                          const struct rte_event *ev, const uint16_t grp)
+{
+       const uint32_t tag = (uint32_t)ev->event;
+       const uint8_t new_tt = ev->sched_type;
+
+       otx2_write64(ev->u64, OTX2_SSOW_GET_BASE_ADDR(ws->getwrk_op) +
+                    SSOW_LF_GWS_OP_UPD_WQP_GRP1);
+       rte_smp_wmb();
+       otx2_ssogws_swtag_desched((struct otx2_ssogws *)ws, tag, new_tt, grp);
+}
+
+static __rte_always_inline void
+otx2_ssogws_dual_forward_event(struct otx2_ssogws_dual *ws,
+                              struct otx2_ssogws_state *vws,
+                              const struct rte_event *ev)
+{
+       const uint8_t grp = ev->queue_id;
+
+       /* Group hasn't changed, Use SWTAG to forward the event */
+       if (vws->cur_grp == grp) {
+               otx2_ssogws_dual_fwd_swtag(vws, ev);
+               ws->swtag_req = 1;
+       } else {
+       /*
+        * Group has been changed for group based work pipelining,
+        * Use deschedule/add_work operation to transfer the event to
+        * new group/core
+        */
+               otx2_ssogws_dual_fwd_group(vws, ev, grp);
+       }
+}
+
+uint16_t __hot
+otx2_ssogws_dual_enq(void *port, const struct rte_event *ev)
+{
+       struct otx2_ssogws_dual *ws = port;
+       struct otx2_ssogws_state *vws = &ws->ws_state[!ws->vws];
+
+       switch (ev->op) {
+       case RTE_EVENT_OP_NEW:
+               rte_smp_mb();
+               return otx2_ssogws_dual_new_event(ws, ev);
+       case RTE_EVENT_OP_FORWARD:
+               otx2_ssogws_dual_forward_event(ws, vws, ev);
+               break;
+       case RTE_EVENT_OP_RELEASE:
+               otx2_ssogws_swtag_flush((struct otx2_ssogws *)vws);
+               break;
+       default:
+               return 0;
+       }
+
+       return 1;
+}
+
+uint16_t __hot
+otx2_ssogws_dual_enq_burst(void *port, const struct rte_event ev[],
+                          uint16_t nb_events)
+{
+       RTE_SET_USED(nb_events);
+       return otx2_ssogws_dual_enq(port, ev);
+}
+
+uint16_t __hot
+otx2_ssogws_dual_enq_new_burst(void *port, const struct rte_event ev[],
+                              uint16_t nb_events)
+{
+       struct otx2_ssogws_dual *ws = port;
+       uint16_t i, rc = 1;
+
+       rte_smp_mb();
+       if (ws->xaq_lmt <= *ws->fc_mem)
+               return 0;
+
+       for (i = 0; i < nb_events && rc; i++)
+               rc = otx2_ssogws_dual_new_event(ws, &ev[i]);
+
+       return nb_events;
+}
+
+uint16_t __hot
+otx2_ssogws_dual_enq_fwd_burst(void *port, const struct rte_event ev[],
+                              uint16_t nb_events)
+{
+       struct otx2_ssogws_dual *ws = port;
+       struct otx2_ssogws_state *vws = &ws->ws_state[!ws->vws];
+
+       RTE_SET_USED(nb_events);
+       otx2_ssogws_dual_forward_event(ws, vws, ev);
+
+       return 1;
+}