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event/octeontx2: add timer cancel function

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Add function to cancel event timer that has been armed.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
This commit is contained in:
Pavan Nikhilesh 2019-06-28 23:53:49 +05:30 committed by Jerin Jacob
parent 95e4e4ec74
commit 17424ededb
4 changed files with 71 additions and 0 deletions
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1
drivers/event/octeontx2/otx2_tim_evdev.c
View File

@ -53,6 +53,7 @@ TIM_ARM_TMO_FASTPATH_MODES
[tim_ring->ena_dfb][prod_flag];
otx2_tim_ops.arm_tmo_tick_burst = arm_tmo_burst[tim_ring->optimized]
[tim_ring->ena_dfb];
otx2_tim_ops.cancel_burst = otx2_tim_timer_cancel_burst;
}
static void

4
drivers/event/octeontx2/otx2_tim_evdev.h
View File

@ -191,6 +191,10 @@ uint16_t otx2_tim_arm_tmo_tick_burst_ ## _name( \
TIM_ARM_TMO_FASTPATH_MODES
#undef FP
uint16_t otx2_tim_timer_cancel_burst(
const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers);
int otx2_tim_caps_get(const struct rte_eventdev *dev, uint64_t flags,
uint32_t *caps,
const struct rte_event_timer_adapter_ops **ops);

29
drivers/event/octeontx2/otx2_tim_worker.c
View File

@ -135,3 +135,32 @@ otx2_tim_arm_tmo_tick_burst_ ## _name( \
}
TIM_ARM_TMO_FASTPATH_MODES
#undef FP
uint16_t
otx2_tim_timer_cancel_burst(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim,
const uint16_t nb_timers)
{
uint16_t index;
int ret;
RTE_SET_USED(adptr);
for (index = 0; index < nb_timers; index++) {
if (tim[index]->state == RTE_EVENT_TIMER_CANCELED) {
rte_errno = EALREADY;
break;
}
if (tim[index]->state != RTE_EVENT_TIMER_ARMED) {
rte_errno = EINVAL;
break;
}
ret = tim_rm_entry(tim[index]);
if (ret) {
rte_errno = -ret;
break;
}
}
return index;
}

37
drivers/event/octeontx2/otx2_tim_worker.h
View File

@ -410,4 +410,41 @@ tim_add_entry_brst(struct otx2_tim_ring * const tim_ring,
return nb_timers;
}
static int
tim_rm_entry(struct rte_event_timer *tim)
{
struct otx2_tim_ent *entry;
struct otx2_tim_bkt *bkt;
uint64_t lock_sema;
if (tim->impl_opaque[1] == 0 || tim->impl_opaque[0] == 0)
return -ENOENT;
entry = (struct otx2_tim_ent *)(uintptr_t)tim->impl_opaque[0];
if (entry->wqe != tim->ev.u64) {
tim->impl_opaque[0] = 0;
tim->impl_opaque[1] = 0;
return -ENOENT;
}
bkt = (struct otx2_tim_bkt *)(uintptr_t)tim->impl_opaque[1];
lock_sema = tim_bkt_inc_lock(bkt);
if (tim_bkt_get_hbt(lock_sema) || !tim_bkt_get_nent(lock_sema)) {
tim_bkt_dec_lock(bkt);
tim->impl_opaque[0] = 0;
tim->impl_opaque[1] = 0;
return -ENOENT;
}
entry->w0 = 0;
entry->wqe = 0;
tim_bkt_dec_lock(bkt);
tim->state = RTE_EVENT_TIMER_CANCELED;
tim->impl_opaque[0] = 0;
tim->impl_opaque[1] = 0;
return 0;
}
#endif /* __OTX2_TIM_WORKER_H__ */