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event/octeontx2: support timer periodic mode

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Add support for periodic mode in event timer adapter.

Signed-off-by: Shijith Thotton <sthotton@marvell.com>
Acked-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
This commit is contained in:
Shijith Thotton 2021-03-17 13:34:21 +05:30 committed by Jerin Jacob
parent 7d761b07fc
commit 64ea4ae178
3 changed files with 26 additions and 5 deletions
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1
doc/guides/rel_notes/release_21_05.rst
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@ -152,6 +152,7 @@ New Features
* **Introduced period timer mode in eventdev timer adapter.**
* Added support for periodic timer mode in eventdev timer adapter.
* Added support for periodic timer mode in octeontx2 event device driver.
* **Updated testpmd.**

29
drivers/event/octeontx2/otx2_tim_evdev.c
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@ -65,7 +65,8 @@ otx2_tim_ring_info_get(const struct rte_event_timer_adapter *adptr,
struct otx2_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;
adptr_info->min_resolution_ns = tim_ring->ena_periodic ?
tim_ring->max_tout : tim_ring->tck_nsec;
rte_memcpy(&adptr_info->conf, &adptr->data->conf,
sizeof(struct rte_event_timer_adapter_conf));
}
@ -163,7 +164,7 @@ tim_chnk_pool_create(struct otx2_tim_ring *tim_ring,
}
tim_ring->aura = npa_lf_aura_handle_to_aura(
tim_ring->chunk_pool->pool_id);
tim_ring->ena_dfb = 0;
tim_ring->ena_dfb = tim_ring->ena_periodic ? 1 : 0;
} else {
tim_ring->chunk_pool = rte_mempool_create(pool_name,
tim_ring->nb_chunks, tim_ring->chunk_sz,
@ -254,6 +255,7 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
struct tim_ring_req *free_req;
struct tim_lf_alloc_req *req;
struct tim_lf_alloc_rsp *rsp;
uint8_t is_periodic;
int i, rc;
if (dev == NULL)
@ -284,6 +286,20 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
}
}
is_periodic = 0;
if (rcfg->flags & RTE_EVENT_TIMER_ADAPTER_F_PERIODIC) {
if (rcfg->max_tmo_ns &&
rcfg->max_tmo_ns != rcfg->timer_tick_ns) {
rc = -ERANGE;
goto rng_mem_err;
}
/* Use 2 buckets to avoid contention */
rcfg->max_tmo_ns = rcfg->timer_tick_ns;
rcfg->timer_tick_ns /= 2;
is_periodic = 1;
}
tim_ring = rte_zmalloc("otx2_tim_prv", sizeof(struct otx2_tim_ring), 0);
if (tim_ring == NULL) {
rc = -ENOMEM;
@ -296,11 +312,13 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
tim_ring->clk_src = (int)rcfg->clk_src;
tim_ring->ring_id = adptr->data->id;
tim_ring->tck_nsec = RTE_ALIGN_MUL_CEIL(rcfg->timer_tick_ns, 10);
tim_ring->max_tout = rcfg->max_tmo_ns;
tim_ring->max_tout = is_periodic ?
rcfg->timer_tick_ns * 2 : rcfg->max_tmo_ns;
tim_ring->nb_bkts = (tim_ring->max_tout / tim_ring->tck_nsec);
tim_ring->chunk_sz = dev->chunk_sz;
tim_ring->nb_timers = rcfg->nb_timers;
tim_ring->disable_npa = dev->disable_npa;
tim_ring->ena_periodic = is_periodic;
tim_ring->enable_stats = dev->enable_stats;
for (i = 0; i < dev->ring_ctl_cnt ; i++) {
@ -348,7 +366,7 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
cfg_req->ring = tim_ring->ring_id;
cfg_req->bigendian = false;
cfg_req->clocksource = tim_ring->clk_src;
cfg_req->enableperiodic = false;
cfg_req->enableperiodic = tim_ring->ena_periodic;
cfg_req->enabledontfreebuffer = tim_ring->ena_dfb;
cfg_req->bucketsize = tim_ring->nb_bkts;
cfg_req->chunksize = tim_ring->chunk_sz;
@ -568,7 +586,8 @@ otx2_tim_caps_get(const struct rte_eventdev *evdev, uint64_t flags,
/* Store evdev pointer for later use. */
dev->event_dev = (struct rte_eventdev *)(uintptr_t)evdev;
*caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT;
*caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT |
RTE_EVENT_TIMER_ADAPTER_CAP_PERIODIC;
*ops = &otx2_tim_ops;
return 0;

1
drivers/event/octeontx2/otx2_tim_evdev.h
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@ -155,6 +155,7 @@ struct otx2_tim_ring {
uint8_t disable_npa;
uint8_t optimized;
uint8_t ena_dfb;
uint8_t ena_periodic;
uint16_t ring_id;
uint32_t aura;
uint64_t nb_timers;