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;
- }
+ if (!tim_ring->disable_npa) {
+ 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_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;
+ 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;
+ } else {
+ tim_ring->chunk_pool = rte_mempool_create(
+ pool_name, tim_ring->nb_chunks, tim_ring->chunk_sz,
+ cache_sz, 0, NULL, NULL, NULL, NULL, rte_socket_id(),
+ mp_flags);
+ if (tim_ring->chunk_pool == NULL) {
+ plt_err("Unable to create chunkpool.");
+ return -ENOMEM;
+ }
+ tim_ring->ena_dfb = 1;
}
- tim_ring->aura =
- roc_npa_aura_handle_to_aura(tim_ring->chunk_pool->pool_id);
- tim_ring->ena_dfb = 0;
return 0;
return rc;
}
+static void
+cnxk_tim_set_fp_ops(struct cnxk_tim_ring *tim_ring)
+{
+ uint8_t prod_flag = !tim_ring->prod_type_sp;
+
+ /* [STATS] [DFB/FB] [SP][MP]*/
+ const rte_event_timer_arm_burst_t arm_burst[2][2][2] = {
+#define FP(_name, _f3, _f2, _f1, flags) \
+ [_f3][_f2][_f1] = cnxk_tim_arm_burst_##_name,
+ TIM_ARM_FASTPATH_MODES
+#undef FP
+ };
+
+ const rte_event_timer_arm_tmo_tick_burst_t arm_tmo_burst[2][2] = {
+#define FP(_name, _f2, _f1, flags) \
+ [_f2][_f1] = cnxk_tim_arm_tmo_tick_burst_##_name,
+ TIM_ARM_TMO_FASTPATH_MODES
+#undef FP
+ };
+
+ cnxk_tim_ops.arm_burst =
+ arm_burst[tim_ring->enable_stats][tim_ring->ena_dfb][prod_flag];
+ cnxk_tim_ops.arm_tmo_tick_burst =
+ arm_tmo_burst[tim_ring->enable_stats][tim_ring->ena_dfb];
+ cnxk_tim_ops.cancel_burst = cnxk_tim_timer_cancel_burst;
+}
+
+static void
+cnxk_tim_ring_info_get(const struct rte_event_timer_adapter *adptr,
+ struct rte_event_timer_adapter_info *adptr_info)
+{
+ struct cnxk_tim_ring *tim_ring = adptr->data->adapter_priv;
+
+ adptr_info->max_tmo_ns = tim_ring->max_tout;
+ adptr_info->min_resolution_ns = tim_ring->tck_nsec;
+ rte_memcpy(&adptr_info->conf, &adptr->data->conf,
+ sizeof(struct rte_event_timer_adapter_conf));
+}
+
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;
+ int i, rc;
if (dev == NULL)
return -ENODEV;
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->disable_npa = dev->disable_npa;
+ tim_ring->enable_stats = dev->enable_stats;
+
+ for (i = 0; i < dev->ring_ctl_cnt; i++) {
+ struct cnxk_tim_ctl *ring_ctl = &dev->ring_ctl_data[i];
+
+ if (ring_ctl->ring == tim_ring->ring_id) {
+ tim_ring->chunk_sz =
+ ring_ctl->chunk_slots ?
+ ((uint32_t)(ring_ctl->chunk_slots + 1) *
+ CNXK_TIM_CHUNK_ALIGNMENT) :
+ tim_ring->chunk_sz;
+ tim_ring->enable_stats = ring_ctl->enable_stats;
+ tim_ring->disable_npa = ring_ctl->disable_npa;
+ }
+ }
+
+ if (tim_ring->disable_npa) {
+ tim_ring->nb_chunks =
+ tim_ring->nb_timers /
+ CNXK_TIM_NB_CHUNK_SLOTS(tim_ring->chunk_sz);
+ tim_ring->nb_chunks = tim_ring->nb_chunks * tim_ring->nb_bkts;
+ } else {
+ tim_ring->nb_chunks = tim_ring->nb_timers;
+ }
- 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 =
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);
+ /* Set fastpath ops. */
+ cnxk_tim_set_fp_ops(tim_ring);
+
+ /* Update SSO xae count. */
+ cnxk_sso_updt_xae_cnt(cnxk_sso_pmd_priv(dev->event_dev), tim_ring,
+ RTE_EVENT_TYPE_TIMER);
+ cnxk_sso_xae_reconfigure(dev->event_dev);
+
plt_tim_dbg(
"Total memory used %" PRIu64 "MB\n",
(uint64_t)(((tim_ring->nb_chunks * tim_ring->chunk_sz) +
return 0;
}
+static void
+cnxk_tim_calibrate_start_tsc(struct cnxk_tim_ring *tim_ring)
+{
+#define CNXK_TIM_CALIB_ITER 1E6
+ uint32_t real_bkt, bucket;
+ int icount, ecount = 0;
+ uint64_t bkt_cyc;
+
+ for (icount = 0; icount < CNXK_TIM_CALIB_ITER; icount++) {
+ real_bkt = plt_read64(tim_ring->base + TIM_LF_RING_REL) >> 44;
+ bkt_cyc = cnxk_tim_cntvct();
+ bucket = (bkt_cyc - tim_ring->ring_start_cyc) /
+ tim_ring->tck_int;
+ bucket = bucket % (tim_ring->nb_bkts);
+ tim_ring->ring_start_cyc =
+ bkt_cyc - (real_bkt * tim_ring->tck_int);
+ if (bucket != real_bkt)
+ ecount++;
+ }
+ tim_ring->last_updt_cyc = bkt_cyc;
+ plt_tim_dbg("Bucket mispredict %3.2f distance %d\n",
+ 100 - (((double)(icount - ecount) / (double)icount) * 100),
+ bucket - real_bkt);
+}
+
+static int
+cnxk_tim_ring_start(const 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();
+ int rc;
+
+ if (dev == NULL)
+ return -ENODEV;
+
+ rc = roc_tim_lf_enable(&dev->tim, tim_ring->ring_id,
+ &tim_ring->ring_start_cyc, NULL);
+ if (rc < 0)
+ return rc;
+
+ tim_ring->tck_int = NSEC2TICK(tim_ring->tck_nsec, cnxk_tim_cntfrq());
+ tim_ring->tot_int = tim_ring->tck_int * tim_ring->nb_bkts;
+ tim_ring->fast_div = rte_reciprocal_value_u64(tim_ring->tck_int);
+ tim_ring->fast_bkt = rte_reciprocal_value_u64(tim_ring->nb_bkts);
+
+ cnxk_tim_calibrate_start_tsc(tim_ring);
+
+ return rc;
+}
+
+static int
+cnxk_tim_ring_stop(const 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();
+ int rc;
+
+ if (dev == NULL)
+ return -ENODEV;
+
+ rc = roc_tim_lf_disable(&dev->tim, tim_ring->ring_id);
+ if (rc < 0)
+ plt_err("Failed to disable timer ring");
+
+ return rc;
+}
+
+static int
+cnxk_tim_stats_get(const struct rte_event_timer_adapter *adapter,
+ struct rte_event_timer_adapter_stats *stats)
+{
+ struct cnxk_tim_ring *tim_ring = adapter->data->adapter_priv;
+ uint64_t bkt_cyc = cnxk_tim_cntvct() - tim_ring->ring_start_cyc;
+
+ stats->evtim_exp_count =
+ __atomic_load_n(&tim_ring->arm_cnt, __ATOMIC_RELAXED);
+ stats->ev_enq_count = stats->evtim_exp_count;
+ stats->adapter_tick_count =
+ rte_reciprocal_divide_u64(bkt_cyc, &tim_ring->fast_div);
+ return 0;
+}
+
+static int
+cnxk_tim_stats_reset(const struct rte_event_timer_adapter *adapter)
+{
+ struct cnxk_tim_ring *tim_ring = adapter->data->adapter_priv;
+
+ __atomic_store_n(&tim_ring->arm_cnt, 0, __ATOMIC_RELAXED);
+ return 0;
+}
+
int
cnxk_tim_caps_get(const struct rte_eventdev *evdev, uint64_t flags,
uint32_t *caps,
struct cnxk_tim_evdev *dev = cnxk_tim_priv_get();
RTE_SET_USED(flags);
- RTE_SET_USED(ops);
if (dev == NULL)
return -ENODEV;
cnxk_tim_ops.init = cnxk_tim_ring_create;
cnxk_tim_ops.uninit = cnxk_tim_ring_free;
+ cnxk_tim_ops.start = cnxk_tim_ring_start;
+ cnxk_tim_ops.stop = cnxk_tim_ring_stop;
+ cnxk_tim_ops.get_info = cnxk_tim_ring_info_get;
+
+ if (dev->enable_stats) {
+ cnxk_tim_ops.stats_get = cnxk_tim_stats_get;
+ cnxk_tim_ops.stats_reset = cnxk_tim_stats_reset;
+ }
/* Store evdev pointer for later use. */
dev->event_dev = (struct rte_eventdev *)(uintptr_t)evdev;
*caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT;
+ *ops = &cnxk_tim_ops;
return 0;
}
+static void
+cnxk_tim_parse_ring_param(char *value, void *opaque)
+{
+ struct cnxk_tim_evdev *dev = opaque;
+ struct cnxk_tim_ctl ring_ctl = {0};
+ char *tok = strtok(value, "-");
+ struct cnxk_tim_ctl *old_ptr;
+ uint16_t *val;
+
+ val = (uint16_t *)&ring_ctl;
+
+ if (!strlen(value))
+ return;
+
+ while (tok != NULL) {
+ *val = atoi(tok);
+ tok = strtok(NULL, "-");
+ val++;
+ }
+
+ if (val != (&ring_ctl.enable_stats + 1)) {
+ plt_err("Invalid ring param expected [ring-chunk_sz-disable_npa-enable_stats]");
+ return;
+ }
+
+ dev->ring_ctl_cnt++;
+ old_ptr = dev->ring_ctl_data;
+ dev->ring_ctl_data =
+ rte_realloc(dev->ring_ctl_data,
+ sizeof(struct cnxk_tim_ctl) * dev->ring_ctl_cnt, 0);
+ if (dev->ring_ctl_data == NULL) {
+ dev->ring_ctl_data = old_ptr;
+ dev->ring_ctl_cnt--;
+ return;
+ }
+
+ dev->ring_ctl_data[dev->ring_ctl_cnt - 1] = ring_ctl;
+}
+
+static void
+cnxk_tim_parse_ring_ctl_list(const char *value, void *opaque)
+{
+ char *s = strdup(value);
+ char *start = NULL;
+ char *end = NULL;
+ char *f = s;
+
+ while (*s) {
+ if (*s == '[')
+ start = s;
+ else if (*s == ']')
+ end = s;
+
+ if (start && start < end) {
+ *end = 0;
+ cnxk_tim_parse_ring_param(start + 1, opaque);
+ start = end;
+ s = end;
+ }
+ s++;
+ }
+
+ free(f);
+}
+
+static int
+cnxk_tim_parse_kvargs_dict(const char *key, const char *value, void *opaque)
+{
+ RTE_SET_USED(key);
+
+ /* Dict format [ring-chunk_sz-disable_npa-enable_stats] use '-' as ','
+ * isn't allowed. 0 represents default.
+ */
+ cnxk_tim_parse_ring_ctl_list(value, opaque);
+
+ return 0;
+}
+
+static void
+cnxk_tim_parse_devargs(struct rte_devargs *devargs, struct cnxk_tim_evdev *dev)
+{
+ struct rte_kvargs *kvlist;
+
+ if (devargs == NULL)
+ return;
+
+ kvlist = rte_kvargs_parse(devargs->args, NULL);
+ if (kvlist == NULL)
+ return;
+
+ rte_kvargs_process(kvlist, CNXK_TIM_DISABLE_NPA, &parse_kvargs_flag,
+ &dev->disable_npa);
+ rte_kvargs_process(kvlist, CNXK_TIM_CHNK_SLOTS, &parse_kvargs_value,
+ &dev->chunk_slots);
+ rte_kvargs_process(kvlist, CNXK_TIM_STATS_ENA, &parse_kvargs_flag,
+ &dev->enable_stats);
+ rte_kvargs_process(kvlist, CNXK_TIM_RINGS_LMT, &parse_kvargs_value,
+ &dev->min_ring_cnt);
+ rte_kvargs_process(kvlist, CNXK_TIM_RING_CTL,
+ &cnxk_tim_parse_kvargs_dict, &dev);
+
+ rte_kvargs_free(kvlist);
+}
+
void
cnxk_tim_init(struct roc_sso *sso)
{
}
dev = mz->addr;
+ cnxk_tim_parse_devargs(sso->pci_dev->device.devargs, dev);
+
dev->tim.roc_sso = sso;
+ dev->tim.nb_lfs = dev->min_ring_cnt;
rc = roc_tim_init(&dev->tim);
if (rc < 0) {
plt_err("Failed to initialize roc tim resources");
return;
}
dev->nb_rings = rc;
- dev->chunk_sz = CNXK_TIM_RING_DEF_CHUNK_SZ;
+
+ if (dev->chunk_slots && dev->chunk_slots <= CNXK_TIM_MAX_CHUNK_SLOTS &&
+ dev->chunk_slots >= CNXK_TIM_MIN_CHUNK_SLOTS) {
+ dev->chunk_sz =
+ (dev->chunk_slots + 1) * CNXK_TIM_CHUNK_ALIGNMENT;
+ } else {
+ dev->chunk_sz = CNXK_TIM_RING_DEF_CHUNK_SZ;
+ }
}
void
git.droids-corp.org / dpdk.git / blobdiff