/*
* BSD LICENSE
*
- * Copyright (C) Cavium networks Ltd. 2017.
+ * Copyright (C) Cavium, Inc. 2017.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Cavium networks nor the names of its
+ * * Neither the name of Cavium, Inc nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
#include "ssovf_worker.h"
-static force_inline void
+static __rte_always_inline void
ssows_new_event(struct ssows *ws, const struct rte_event *ev)
{
const uint64_t event_ptr = ev->u64;
ssows_add_work(ws, event_ptr, tag, new_tt, grp);
}
-static force_inline void
+static __rte_always_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;
#define OCT_EVENT_TYPE_GRP_FWD (RTE_EVENT_TYPE_MAX - 1)
-static force_inline void
+static __rte_always_inline void
ssows_fwd_group(struct ssows *ws, const struct rte_event *ev, const uint8_t grp)
{
const uint64_t event_ptr = ev->u64;
ssows_add_work(ws, event_ptr, tag, new_tt, grp);
}
-static force_inline void
+static __rte_always_inline void
ssows_forward_event(struct ssows *ws, const struct rte_event *ev)
{
const uint8_t grp = ev->queue_id;
ssows_fwd_group(ws, ev, grp);
}
-static force_inline void
+static __rte_always_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
+__rte_always_inline uint16_t __hot
ssows_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks)
{
struct ssows *ws = port;
RTE_SET_USED(timeout_ticks);
- ssows_swtag_wait(ws);
if (ws->swtag_req) {
ws->swtag_req = 0;
+ ssows_swtag_wait(ws);
return 1;
} else {
return ssows_get_work(ws, ev);
}
}
-force_inline uint16_t __hot
+__rte_always_inline uint16_t __hot
ssows_deq_timeout(void *port, struct rte_event *ev, uint64_t timeout_ticks)
{
struct ssows *ws = port;
uint64_t iter;
uint16_t ret = 1;
- ssows_swtag_wait(ws);
if (ws->swtag_req) {
ws->swtag_req = 0;
+ ssows_swtag_wait(ws);
} else {
ret = ssows_get_work(ws, ev);
for (iter = 1; iter < timeout_ticks && (ret == 0); iter++)
return ssows_deq_timeout(port, ev, timeout_ticks);
}
-force_inline uint16_t __hot
+__rte_always_inline uint16_t __hot
ssows_enq(void *port, const struct rte_event *ev)
{
struct ssows *ws = port;
switch (ev->op) {
case RTE_EVENT_OP_NEW:
+ rte_smp_wmb();
ssows_new_event(ws, ev);
break;
case RTE_EVENT_OP_FORWARD:
RTE_SET_USED(nb_events);
return ssows_enq(port, ev);
}
+
+uint16_t __hot
+ssows_enq_new_burst(void *port, const struct rte_event ev[], uint16_t nb_events)
+{
+ uint16_t i;
+ struct ssows *ws = port;
+
+ rte_smp_wmb();
+ for (i = 0; i < nb_events; i++)
+ ssows_new_event(ws, &ev[i]);
+
+ return nb_events;
+}
+
+uint16_t __hot
+ssows_enq_fwd_burst(void *port, const struct rte_event ev[], uint16_t nb_events)
+{
+ struct ssows *ws = port;
+ RTE_SET_USED(nb_events);
+
+ ssows_forward_event(ws, ev);
+
+ return 1;
+}
+
+void
+ssows_flush_events(struct ssows *ws, uint8_t queue_id)
+{
+ uint32_t reg_off;
+ uint64_t aq_cnt = 1;
+ uint64_t cq_ds_cnt = 1;
+ uint64_t enable, get_work0, get_work1;
+ uint8_t *base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, queue_id, 0);
+
+ enable = ssovf_read64(base + SSO_VHGRP_QCTL);
+ if (!enable)
+ return;
+
+ reg_off = SSOW_VHWS_OP_GET_WORK0;
+ reg_off |= 1 << 17; /* Grouped */
+ reg_off |= 1 << 16; /* WAIT */
+ reg_off |= queue_id << 4; /* INDEX_GGRP_MASK(group number) */
+ while (aq_cnt || cq_ds_cnt) {
+ aq_cnt = ssovf_read64(base + SSO_VHGRP_AQ_CNT);
+ cq_ds_cnt = ssovf_read64(base + SSO_VHGRP_INT_CNT);
+ /* Extract cq and ds count */
+ cq_ds_cnt &= 0x1FFF1FFF0000;
+ ssovf_load_pair(get_work0, get_work1, ws->base + reg_off);
+ }
+
+ RTE_SET_USED(get_work0);
+ RTE_SET_USED(get_work1);
+}
+
+void
+ssows_reset(struct ssows *ws)
+{
+ uint64_t tag;
+ uint64_t pend_tag;
+ uint8_t pend_tt;
+ uint8_t tt;
+
+ tag = ssovf_read64(ws->base + SSOW_VHWS_TAG);
+ pend_tag = ssovf_read64(ws->base + SSOW_VHWS_PENDTAG);
+
+ if (pend_tag & (1ULL << 63)) { /* Tagswitch pending */
+ pend_tt = (pend_tag >> 32) & 0x3;
+ if (pend_tt == SSO_SYNC_ORDERED || pend_tt == SSO_SYNC_ATOMIC)
+ ssows_desched(ws);
+ } else {
+ tt = (tag >> 32) & 0x3;
+ if (tt == SSO_SYNC_ORDERED || tt == SSO_SYNC_ATOMIC)
+ ssows_swtag_untag(ws);
+ }
+}