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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Cavium, Inc
*/
#include "timvf_worker.h"
static inline int
timvf_timer_reg_checks(const struct timvf_ring * const timr,
struct rte_event_timer * const tim)
{
if (unlikely(tim->state)) {
tim->state = RTE_EVENT_TIMER_ERROR;
rte_errno = EALREADY;
goto fail;
}
if (unlikely(!tim->timeout_ticks ||
tim->timeout_ticks >= timr->nb_bkts)) {
tim->state = tim->timeout_ticks ? RTE_EVENT_TIMER_ERROR_TOOLATE
: RTE_EVENT_TIMER_ERROR_TOOEARLY;
rte_errno = EINVAL;
goto fail;
}
return 0;
fail:
return -EINVAL;
}
static inline void
timvf_format_event(const struct rte_event_timer * const tim,
struct tim_mem_entry * const entry)
{
entry->w0 = (tim->ev.event & 0xFFC000000000) >> 6 |
(tim->ev.event & 0xFFFFFFFFF);
entry->wqe = tim->ev.u64;
}
uint16_t
timvf_timer_cancel_burst(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers)
{
RTE_SET_USED(adptr);
int ret;
uint16_t index;
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 = timvf_rem_entry(tim[index]);
if (ret) {
rte_errno = -ret;
break;
}
}
return index;
}
uint16_t
timvf_timer_arm_burst_sp(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers)
{
int ret;
uint16_t index;
struct tim_mem_entry entry;
struct timvf_ring *timr = adptr->data->adapter_priv;
for (index = 0; index < nb_timers; index++) {
if (timvf_timer_reg_checks(timr, tim[index]))
break;
timvf_format_event(tim[index], &entry);
ret = timvf_add_entry_sp(timr, tim[index]->timeout_ticks,
tim[index], &entry);
if (unlikely(ret)) {
rte_errno = -ret;
break;
}
}
return index;
}
uint16_t
timvf_timer_arm_burst_sp_stats(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers)
{
uint16_t ret;
struct timvf_ring *timr = adptr->data->adapter_priv;
ret = timvf_timer_arm_burst_sp(adptr, tim, nb_timers);
timr->tim_arm_cnt += ret;
return ret;
}
uint16_t
timvf_timer_arm_burst_mp(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers)
{
int ret;
uint16_t index;
struct tim_mem_entry entry;
struct timvf_ring *timr = adptr->data->adapter_priv;
for (index = 0; index < nb_timers; index++) {
if (timvf_timer_reg_checks(timr, tim[index]))
break;
timvf_format_event(tim[index], &entry);
ret = timvf_add_entry_mp(timr, tim[index]->timeout_ticks,
tim[index], &entry);
if (unlikely(ret)) {
rte_errno = -ret;
break;
}
}
return index;
}
uint16_t
timvf_timer_arm_burst_mp_stats(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers)
{
uint16_t ret;
struct timvf_ring *timr = adptr->data->adapter_priv;
ret = timvf_timer_arm_burst_mp(adptr, tim, nb_timers);
timr->tim_arm_cnt += ret;
return ret;
}
uint16_t
timvf_timer_arm_tmo_brst(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint64_t timeout_tick,
const uint16_t nb_timers)
{
int ret;
uint16_t set_timers = 0;
uint16_t idx;
uint16_t arr_idx = 0;
struct timvf_ring *timr = adptr->data->adapter_priv;
struct tim_mem_entry entry[TIMVF_MAX_BURST] __rte_cache_aligned;
if (unlikely(!timeout_tick || timeout_tick >= timr->nb_bkts)) {
const enum rte_event_timer_state state = timeout_tick ?
RTE_EVENT_TIMER_ERROR_TOOLATE :
RTE_EVENT_TIMER_ERROR_TOOEARLY;
for (idx = 0; idx < nb_timers; idx++)
tim[idx]->state = state;
rte_errno = EINVAL;
return 0;
}
while (arr_idx < nb_timers) {
for (idx = 0; idx < TIMVF_MAX_BURST && (arr_idx < nb_timers);
idx++, arr_idx++) {
timvf_format_event(tim[arr_idx], &entry[idx]);
}
ret = timvf_add_entry_brst(timr, timeout_tick, &tim[set_timers],
entry, idx);
set_timers += ret;
if (ret != idx)
break;
}
return set_timers;
}
uint16_t
timvf_timer_arm_tmo_brst_stats(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint64_t timeout_tick,
const uint16_t nb_timers)
{
uint16_t set_timers;
struct timvf_ring *timr = adptr->data->adapter_priv;
set_timers = timvf_timer_arm_tmo_brst(adptr, tim, timeout_tick,
nb_timers);
timr->tim_arm_cnt += set_timers;
return set_timers;
}
void
timvf_set_chunk_refill(struct timvf_ring * const timr, uint8_t use_fpa)
{
if (use_fpa)
timr->refill_chunk = timvf_refill_chunk_fpa;
else
timr->refill_chunk = timvf_refill_chunk_generic;
}
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