event/cnxk: add SSO selftest and dump
[dpdk.git] / drivers / event / cnxk / cn10k_eventdev.c
index a1b4474..a0c6d32 100644 (file)
@@ -112,6 +112,117 @@ cn10k_sso_hws_release(void *arg, void *hws)
        memset(ws, 0, sizeof(*ws));
 }
 
+static void
+cn10k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base,
+                          cnxk_handle_event_t fn, void *arg)
+{
+       struct cn10k_sso_hws *ws = hws;
+       uint64_t cq_ds_cnt = 1;
+       uint64_t aq_cnt = 1;
+       uint64_t ds_cnt = 1;
+       struct rte_event ev;
+       uint64_t val, req;
+
+       plt_write64(0, base + SSO_LF_GGRP_QCTL);
+
+       req = queue_id;     /* GGRP ID */
+       req |= BIT_ULL(18); /* Grouped */
+       req |= BIT_ULL(16); /* WAIT */
+
+       aq_cnt = plt_read64(base + SSO_LF_GGRP_AQ_CNT);
+       ds_cnt = plt_read64(base + SSO_LF_GGRP_MISC_CNT);
+       cq_ds_cnt = plt_read64(base + SSO_LF_GGRP_INT_CNT);
+       cq_ds_cnt &= 0x3FFF3FFF0000;
+
+       while (aq_cnt || cq_ds_cnt || ds_cnt) {
+               plt_write64(req, ws->getwrk_op);
+               cn10k_sso_hws_get_work_empty(ws, &ev);
+               if (fn != NULL && ev.u64 != 0)
+                       fn(arg, ev);
+               if (ev.sched_type != SSO_TT_EMPTY)
+                       cnxk_sso_hws_swtag_flush(ws->tag_wqe_op,
+                                                ws->swtag_flush_op);
+               do {
+                       val = plt_read64(ws->base + SSOW_LF_GWS_PENDSTATE);
+               } while (val & BIT_ULL(56));
+               aq_cnt = plt_read64(base + SSO_LF_GGRP_AQ_CNT);
+               ds_cnt = plt_read64(base + SSO_LF_GGRP_MISC_CNT);
+               cq_ds_cnt = plt_read64(base + SSO_LF_GGRP_INT_CNT);
+               /* Extract cq and ds count */
+               cq_ds_cnt &= 0x3FFF3FFF0000;
+       }
+
+       plt_write64(0, ws->base + SSOW_LF_GWS_OP_GWC_INVAL);
+       rte_mb();
+}
+
+static void
+cn10k_sso_hws_reset(void *arg, void *hws)
+{
+       struct cnxk_sso_evdev *dev = arg;
+       struct cn10k_sso_hws *ws = hws;
+       uintptr_t base = ws->base;
+       uint64_t pend_state;
+       union {
+               __uint128_t wdata;
+               uint64_t u64[2];
+       } gw;
+       uint8_t pend_tt;
+
+       /* Wait till getwork/swtp/waitw/desched completes. */
+       do {
+               pend_state = plt_read64(base + SSOW_LF_GWS_PENDSTATE);
+       } while (pend_state & (BIT_ULL(63) | BIT_ULL(62) | BIT_ULL(58) |
+                              BIT_ULL(56) | BIT_ULL(54)));
+       pend_tt = CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_WQE0));
+       if (pend_tt != SSO_TT_EMPTY) { /* Work was pending */
+               if (pend_tt == SSO_TT_ATOMIC || pend_tt == SSO_TT_ORDERED)
+                       cnxk_sso_hws_swtag_untag(base +
+                                                SSOW_LF_GWS_OP_SWTAG_UNTAG);
+               plt_write64(0, base + SSOW_LF_GWS_OP_DESCHED);
+       }
+
+       /* Wait for desched to complete. */
+       do {
+               pend_state = plt_read64(base + SSOW_LF_GWS_PENDSTATE);
+       } while (pend_state & BIT_ULL(58));
+
+       switch (dev->gw_mode) {
+       case CN10K_GW_MODE_PREF:
+               while (plt_read64(base + SSOW_LF_GWS_PRF_WQE0) & BIT_ULL(63))
+                       ;
+               break;
+       case CN10K_GW_MODE_PREF_WFE:
+               while (plt_read64(base + SSOW_LF_GWS_PRF_WQE0) &
+                      SSOW_LF_GWS_TAG_PEND_GET_WORK_BIT)
+                       continue;
+               plt_write64(0, base + SSOW_LF_GWS_OP_GWC_INVAL);
+               break;
+       case CN10K_GW_MODE_NONE:
+       default:
+               break;
+       }
+
+       if (CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_PRF_WQE0)) !=
+           SSO_TT_EMPTY) {
+               plt_write64(BIT_ULL(16) | 1, ws->getwrk_op);
+               do {
+                       roc_load_pair(gw.u64[0], gw.u64[1], ws->tag_wqe_op);
+               } while (gw.u64[0] & BIT_ULL(63));
+               pend_tt = CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_WQE0));
+               if (pend_tt != SSO_TT_EMPTY) { /* Work was pending */
+                       if (pend_tt == SSO_TT_ATOMIC ||
+                           pend_tt == SSO_TT_ORDERED)
+                               cnxk_sso_hws_swtag_untag(
+                                       base + SSOW_LF_GWS_OP_SWTAG_UNTAG);
+                       plt_write64(0, base + SSOW_LF_GWS_OP_DESCHED);
+               }
+       }
+
+       plt_write64(0, base + SSOW_LF_GWS_OP_GWC_INVAL);
+       rte_mb();
+}
+
 static void
 cn10k_sso_set_rsrc(void *arg)
 {
@@ -135,11 +246,19 @@ cn10k_sso_rsrc_init(void *arg, uint8_t hws, uint8_t hwgrp)
 static void
 cn10k_sso_fp_fns_set(struct rte_eventdev *event_dev)
 {
-       PLT_SET_USED(event_dev);
+       struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+
        event_dev->enqueue = cn10k_sso_hws_enq;
        event_dev->enqueue_burst = cn10k_sso_hws_enq_burst;
        event_dev->enqueue_new_burst = cn10k_sso_hws_enq_new_burst;
        event_dev->enqueue_forward_burst = cn10k_sso_hws_enq_fwd_burst;
+
+       event_dev->dequeue = cn10k_sso_hws_deq;
+       event_dev->dequeue_burst = cn10k_sso_hws_deq_burst;
+       if (dev->is_timeout_deq) {
+               event_dev->dequeue = cn10k_sso_hws_tmo_deq;
+               event_dev->dequeue_burst = cn10k_sso_hws_tmo_deq_burst;
+       }
 }
 
 static void
@@ -255,6 +374,39 @@ cn10k_sso_port_unlink(struct rte_eventdev *event_dev, void *port,
        return (int)nb_unlinks;
 }
 
+static int
+cn10k_sso_start(struct rte_eventdev *event_dev)
+{
+       int rc;
+
+       rc = cnxk_sso_start(event_dev, cn10k_sso_hws_reset,
+                           cn10k_sso_hws_flush_events);
+       if (rc < 0)
+               return rc;
+       cn10k_sso_fp_fns_set(event_dev);
+
+       return rc;
+}
+
+static void
+cn10k_sso_stop(struct rte_eventdev *event_dev)
+{
+       cnxk_sso_stop(event_dev, cn10k_sso_hws_reset,
+                     cn10k_sso_hws_flush_events);
+}
+
+static int
+cn10k_sso_close(struct rte_eventdev *event_dev)
+{
+       return cnxk_sso_close(event_dev, cn10k_sso_hws_unlink);
+}
+
+static int
+cn10k_sso_selftest(void)
+{
+       return cnxk_sso_selftest(RTE_STR(event_cn10k));
+}
+
 static struct rte_eventdev_ops cn10k_sso_dev_ops = {
        .dev_infos_get = cn10k_sso_info_get,
        .dev_configure = cn10k_sso_dev_configure,
@@ -267,6 +419,12 @@ static struct rte_eventdev_ops cn10k_sso_dev_ops = {
        .port_link = cn10k_sso_port_link,
        .port_unlink = cn10k_sso_port_unlink,
        .timeout_ticks = cnxk_sso_timeout_ticks,
+
+       .dump = cnxk_sso_dump,
+       .dev_start = cn10k_sso_start,
+       .dev_stop = cn10k_sso_stop,
+       .dev_close = cn10k_sso_close,
+       .dev_selftest = cn10k_sso_selftest,
 };
 
 static int