event/cnxk: create and free timer adapter
[dpdk.git] / drivers / event / cnxk / cnxk_tim_evdev.c
index 265bee5..655540a 100644 (file)
@@ -5,6 +5,177 @@
 #include "cnxk_eventdev.h"
 #include "cnxk_tim_evdev.h"
 
+static struct rte_event_timer_adapter_ops cnxk_tim_ops;
+
+static int
+cnxk_tim_chnk_pool_create(struct cnxk_tim_ring *tim_ring,
+                         struct rte_event_timer_adapter_conf *rcfg)
+{
+       unsigned int cache_sz = (tim_ring->nb_chunks / 1.5);
+       unsigned int mp_flags = 0;
+       char pool_name[25];
+       int rc;
+
+       cache_sz /= rte_lcore_count();
+       /* Create chunk pool. */
+       if (rcfg->flags & RTE_EVENT_TIMER_ADAPTER_F_SP_PUT) {
+               mp_flags = MEMPOOL_F_SP_PUT | MEMPOOL_F_SC_GET;
+               plt_tim_dbg("Using single producer mode");
+               tim_ring->prod_type_sp = true;
+       }
+
+       snprintf(pool_name, sizeof(pool_name), "cnxk_tim_chunk_pool%d",
+                tim_ring->ring_id);
+
+       if (cache_sz > RTE_MEMPOOL_CACHE_MAX_SIZE)
+               cache_sz = RTE_MEMPOOL_CACHE_MAX_SIZE;
+       cache_sz = cache_sz != 0 ? cache_sz : 2;
+       tim_ring->nb_chunks += (cache_sz * rte_lcore_count());
+       tim_ring->chunk_pool = rte_mempool_create_empty(
+               pool_name, tim_ring->nb_chunks, tim_ring->chunk_sz, cache_sz, 0,
+               rte_socket_id(), mp_flags);
+
+       if (tim_ring->chunk_pool == NULL) {
+               plt_err("Unable to create chunkpool.");
+               return -ENOMEM;
+       }
+
+       rc = rte_mempool_set_ops_byname(tim_ring->chunk_pool,
+                                       rte_mbuf_platform_mempool_ops(), NULL);
+       if (rc < 0) {
+               plt_err("Unable to set chunkpool ops");
+               goto free;
+       }
+
+       rc = rte_mempool_populate_default(tim_ring->chunk_pool);
+       if (rc < 0) {
+               plt_err("Unable to set populate chunkpool.");
+               goto free;
+       }
+       tim_ring->aura =
+               roc_npa_aura_handle_to_aura(tim_ring->chunk_pool->pool_id);
+       tim_ring->ena_dfb = 0;
+
+       return 0;
+
+free:
+       rte_mempool_free(tim_ring->chunk_pool);
+       return rc;
+}
+
+static int
+cnxk_tim_ring_create(struct rte_event_timer_adapter *adptr)
+{
+       struct rte_event_timer_adapter_conf *rcfg = &adptr->data->conf;
+       struct cnxk_tim_evdev *dev = cnxk_tim_priv_get();
+       struct cnxk_tim_ring *tim_ring;
+       int rc;
+
+       if (dev == NULL)
+               return -ENODEV;
+
+       if (adptr->data->id >= dev->nb_rings)
+               return -ENODEV;
+
+       tim_ring = rte_zmalloc("cnxk_tim_prv", sizeof(struct cnxk_tim_ring), 0);
+       if (tim_ring == NULL)
+               return -ENOMEM;
+
+       rc = roc_tim_lf_alloc(&dev->tim, adptr->data->id, NULL);
+       if (rc < 0) {
+               plt_err("Failed to create timer ring");
+               goto tim_ring_free;
+       }
+
+       if (NSEC2TICK(RTE_ALIGN_MUL_CEIL(
+                             rcfg->timer_tick_ns,
+                             cnxk_tim_min_resolution_ns(cnxk_tim_cntfrq())),
+                     cnxk_tim_cntfrq()) <
+           cnxk_tim_min_tmo_ticks(cnxk_tim_cntfrq())) {
+               if (rcfg->flags & RTE_EVENT_TIMER_ADAPTER_F_ADJUST_RES)
+                       rcfg->timer_tick_ns = TICK2NSEC(
+                               cnxk_tim_min_tmo_ticks(cnxk_tim_cntfrq()),
+                               cnxk_tim_cntfrq());
+               else {
+                       rc = -ERANGE;
+                       goto tim_hw_free;
+               }
+       }
+       tim_ring->ring_id = adptr->data->id;
+       tim_ring->clk_src = (int)rcfg->clk_src;
+       tim_ring->tck_nsec = RTE_ALIGN_MUL_CEIL(
+               rcfg->timer_tick_ns,
+               cnxk_tim_min_resolution_ns(cnxk_tim_cntfrq()));
+       tim_ring->max_tout = rcfg->max_tmo_ns;
+       tim_ring->nb_bkts = (tim_ring->max_tout / tim_ring->tck_nsec);
+       tim_ring->nb_timers = rcfg->nb_timers;
+       tim_ring->chunk_sz = dev->chunk_sz;
+
+       tim_ring->nb_chunks = tim_ring->nb_timers;
+       tim_ring->nb_chunk_slots = CNXK_TIM_NB_CHUNK_SLOTS(tim_ring->chunk_sz);
+       /* Create buckets. */
+       tim_ring->bkt =
+               rte_zmalloc("cnxk_tim_bucket",
+                           (tim_ring->nb_bkts) * sizeof(struct cnxk_tim_bkt),
+                           RTE_CACHE_LINE_SIZE);
+       if (tim_ring->bkt == NULL)
+               goto tim_hw_free;
+
+       rc = cnxk_tim_chnk_pool_create(tim_ring, rcfg);
+       if (rc < 0)
+               goto tim_bkt_free;
+
+       rc = roc_tim_lf_config(
+               &dev->tim, tim_ring->ring_id,
+               cnxk_tim_convert_clk_src(tim_ring->clk_src), 0, 0,
+               tim_ring->nb_bkts, tim_ring->chunk_sz,
+               NSEC2TICK(tim_ring->tck_nsec, cnxk_tim_cntfrq()));
+       if (rc < 0) {
+               plt_err("Failed to configure timer ring");
+               goto tim_chnk_free;
+       }
+
+       tim_ring->base = roc_tim_lf_base_get(&dev->tim, tim_ring->ring_id);
+       plt_write64((uint64_t)tim_ring->bkt, tim_ring->base + TIM_LF_RING_BASE);
+       plt_write64(tim_ring->aura, tim_ring->base + TIM_LF_RING_AURA);
+
+       plt_tim_dbg(
+               "Total memory used %" PRIu64 "MB\n",
+               (uint64_t)(((tim_ring->nb_chunks * tim_ring->chunk_sz) +
+                           (tim_ring->nb_bkts * sizeof(struct cnxk_tim_bkt))) /
+                          BIT_ULL(20)));
+
+       adptr->data->adapter_priv = tim_ring;
+       return rc;
+
+tim_chnk_free:
+       rte_mempool_free(tim_ring->chunk_pool);
+tim_bkt_free:
+       rte_free(tim_ring->bkt);
+tim_hw_free:
+       roc_tim_lf_free(&dev->tim, tim_ring->ring_id);
+tim_ring_free:
+       rte_free(tim_ring);
+       return rc;
+}
+
+static int
+cnxk_tim_ring_free(struct rte_event_timer_adapter *adptr)
+{
+       struct cnxk_tim_ring *tim_ring = adptr->data->adapter_priv;
+       struct cnxk_tim_evdev *dev = cnxk_tim_priv_get();
+
+       if (dev == NULL)
+               return -ENODEV;
+
+       roc_tim_lf_free(&dev->tim, tim_ring->ring_id);
+       rte_free(tim_ring->bkt);
+       rte_mempool_free(tim_ring->chunk_pool);
+       rte_free(tim_ring);
+
+       return 0;
+}
+
 int
 cnxk_tim_caps_get(const struct rte_eventdev *evdev, uint64_t flags,
                  uint32_t *caps,
@@ -18,6 +189,9 @@ cnxk_tim_caps_get(const struct rte_eventdev *evdev, uint64_t flags,
        if (dev == NULL)
                return -ENODEV;
 
+       cnxk_tim_ops.init = cnxk_tim_ring_create;
+       cnxk_tim_ops.uninit = cnxk_tim_ring_free;
+
        /* Store evdev pointer for later use. */
        dev->event_dev = (struct rte_eventdev *)(uintptr_t)evdev;
        *caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT;