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event/octeontx: support worker enqueue

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Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Gage Eads <gage.eads@intel.com>
This commit is contained in:
Jerin Jacob 2017-03-03 22:58:00 +05:30
parent 32ff26393b
commit f10d322eff
2 changed files with 120 additions and 0 deletions
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4
drivers/event/octeontx/ssovf_evdev.h
View File

@ -187,4 +187,8 @@ ssovf_pmd_priv(const struct rte_eventdev *eventdev)
return eventdev->data->dev_private;
}
uint16_t ssows_enq(void *port, const struct rte_event *ev);
uint16_t ssows_enq_burst(void *port,
const struct rte_event ev[], uint16_t nb_events);
#endif /* __SSOVF_EVDEV_H__ */

116
drivers/event/octeontx/ssovf_worker.c
View File

@ -31,3 +31,119 @@
*/
#include "ssovf_worker.h"
static force_inline void
ssows_new_event(struct ssows *ws, const struct rte_event *ev)
{
const uint64_t event_ptr = ev->u64;
const uint32_t tag = (uint32_t)ev->event;
const uint8_t new_tt = ev->sched_type;
const uint8_t grp = ev->queue_id;
ssows_add_work(ws, event_ptr, tag, new_tt, grp);
}
static force_inline void
ssows_fwd_swtag(struct ssows *ws, const struct rte_event *ev, const uint8_t grp)
{
const uint8_t cur_tt = ws->cur_tt;
const uint8_t new_tt = ev->sched_type;
const uint32_t tag = (uint32_t)ev->event;
/*
* cur_tt/new_tt SSO_SYNC_ORDERED SSO_SYNC_ATOMIC SSO_SYNC_UNTAGGED
*
* SSO_SYNC_ORDERED norm norm untag
* SSO_SYNC_ATOMIC norm norm untag
* SSO_SYNC_UNTAGGED full full NOOP
*/
if (unlikely(cur_tt == SSO_SYNC_UNTAGGED)) {
if (new_tt != SSO_SYNC_UNTAGGED) {
ssows_swtag_full(ws, ev->u64, tag,
new_tt, grp);
}
} else {
if (likely(new_tt != SSO_SYNC_UNTAGGED))
ssows_swtag_norm(ws, tag, new_tt);
else
ssows_swtag_untag(ws);
}
ws->swtag_req = 1;
}
#define OCT_EVENT_TYPE_GRP_FWD (RTE_EVENT_TYPE_MAX - 1)
static force_inline void
ssows_fwd_group(struct ssows *ws, const struct rte_event *ev, const uint8_t grp)
{
const uint64_t event_ptr = ev->u64;
const uint32_t tag = (uint32_t)ev->event;
const uint8_t cur_tt = ws->cur_tt;
const uint8_t new_tt = ev->sched_type;
if (cur_tt == SSO_SYNC_ORDERED) {
/* Create unique tag based on custom event type and new grp */
uint32_t newtag = OCT_EVENT_TYPE_GRP_FWD << 28;
newtag |= grp << 20;
newtag |= tag;
ssows_swtag_norm(ws, newtag, SSO_SYNC_ATOMIC);
rte_smp_wmb();
ssows_swtag_wait(ws);
} else {
rte_smp_wmb();
}
ssows_add_work(ws, event_ptr, tag, new_tt, grp);
}
static force_inline void
ssows_forward_event(struct ssows *ws, const struct rte_event *ev)
{
const uint8_t grp = ev->queue_id;
/* Group hasn't changed, Use SWTAG to forward the event */
if (ws->cur_grp == grp)
ssows_fwd_swtag(ws, ev, grp);
else
/*
* Group has been changed for group based work pipelining,
* Use deschedule/add_work operation to transfer the event to
* new group/core
*/
ssows_fwd_group(ws, ev, grp);
}
static force_inline void
ssows_release_event(struct ssows *ws)
{
if (likely(ws->cur_tt != SSO_SYNC_UNTAGGED))
ssows_swtag_untag(ws);
}
force_inline uint16_t __hot
ssows_enq(void *port, const struct rte_event *ev)
{
struct ssows *ws = port;
uint16_t ret = 1;
switch (ev->op) {
case RTE_EVENT_OP_NEW:
ssows_new_event(ws, ev);
break;
case RTE_EVENT_OP_FORWARD:
ssows_forward_event(ws, ev);
break;
case RTE_EVENT_OP_RELEASE:
ssows_release_event(ws);
break;
default:
ret = 0;
}
return ret;
}
uint16_t __hot
ssows_enq_burst(void *port, const struct rte_event ev[], uint16_t nb_events)
{
RTE_SET_USED(nb_events);
return ssows_enq(port, ev);
}