From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerin Jacob Subject: [PATCH 18/39] event/octeontx: add support worker enqueue function Date: Fri, 3 Mar 2017 22:58:00 +0530 Message-ID: <1488562101-6658-19-git-send-email-jerin.jacob@caviumnetworks.com> References: <1488562101-6658-1-git-send-email-jerin.jacob@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: thomas.monjalon@6wind.com, bruce.richardson@intel.com, harry.van.haaren@intel.com, hemant.agrawal@nxp.com, gage.eads@intel.com, nipun.gupta@nxp.com, santosh.shukla@caviumnetworks.com, Jerin Jacob To: dev@dpdk.org Return-path: Received: from NAM01-BN3-obe.outbound.protection.outlook.com (mail-bn3nam01on0074.outbound.protection.outlook.com [104.47.33.74]) by dpdk.org (Postfix) with ESMTP id 77E13FAB7 for ; Fri, 3 Mar 2017 18:30:10 +0100 (CET) In-Reply-To: <1488562101-6658-1-git-send-email-jerin.jacob@caviumnetworks.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Jerin Jacob Signed-off-by: Santosh Shukla --- drivers/event/octeontx/ssovf_evdev.h | 4 ++ drivers/event/octeontx/ssovf_worker.c | 116 ++++++++++++++++++++++++++++++++++ 2 files changed, 120 insertions(+) diff --git a/drivers/event/octeontx/ssovf_evdev.h b/drivers/event/octeontx/ssovf_evdev.h index 16846b8..fac42f5 100644 --- a/drivers/event/octeontx/ssovf_evdev.h +++ b/drivers/event/octeontx/ssovf_evdev.h @@ -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__ */ diff --git a/drivers/event/octeontx/ssovf_worker.c b/drivers/event/octeontx/ssovf_worker.c index 8a96076..7ec78b4 100644 --- a/drivers/event/octeontx/ssovf_worker.c +++ b/drivers/event/octeontx/ssovf_worker.c @@ -138,3 +138,119 @@ ssows_swtag_wait(struct ssows *ws) ; } +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); +} + -- 2.5.5