X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fevent%2Focteontx%2Fssovf_worker.c;h=753c1e9f54dc3aa515e63ca84b0c62d415306404;hb=a0a344a8f728e052425d7b2ffa08158c6710ae2f;hp=050a0e60052d4df6a9dd354f26003e0779354bce;hpb=f10d322eff763142a207ea1fb6726e1583fa028c;p=dpdk.git

diff --git a/drivers/event/octeontx/ssovf_worker.c b/drivers/event/octeontx/ssovf_worker.c
index 050a0e6005..753c1e9f54 100644
--- a/drivers/event/octeontx/ssovf_worker.c
+++ b/drivers/event/octeontx/ssovf_worker.c
@@ -1,38 +1,10 @@
-/*
- *   BSD LICENSE
- *
- *   Copyright (C) Cavium networks Ltd. 2017.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       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
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Cavium, Inc
  */
 
 #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;
@@ -43,7 +15,7 @@ ssows_new_event(struct ssows *ws, const struct rte_event *ev)
 	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;
@@ -72,7 +44,7 @@ ssows_fwd_swtag(struct ssows *ws, const struct rte_event *ev, const uint8_t grp)
 
 #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;
@@ -95,7 +67,7 @@ ssows_fwd_group(struct ssows *ws, const struct rte_event *ev, const uint8_t grp)
 	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;
@@ -112,14 +84,66 @@ ssows_forward_event(struct ssows *ws, const struct rte_event *ev)
 		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);
+
+	if (ws->swtag_req) {
+		ws->swtag_req = 0;
+		ssows_swtag_wait(ws);
+		return 1;
+	} else {
+		return ssows_get_work(ws, ev);
+	}
+}
+
+__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;
+
+	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++)
+			ret = ssows_get_work(ws, ev);
+	}
+	return ret;
+}
+
+uint16_t __hot
+ssows_deq_burst(void *port, struct rte_event ev[], uint16_t nb_events,
+		uint64_t timeout_ticks)
+{
+	RTE_SET_USED(nb_events);
+
+	return ssows_deq(port, ev, timeout_ticks);
+}
+
+uint16_t __hot
+ssows_deq_timeout_burst(void *port, struct rte_event ev[], uint16_t nb_events,
+			uint64_t timeout_ticks)
+{
+	RTE_SET_USED(nb_events);
+
+	return ssows_deq_timeout(port, ev, timeout_ticks);
+}
+
+__rte_always_inline uint16_t __hot
 ssows_enq(void *port, const struct rte_event *ev)
 {
 	struct ssows *ws = port;
@@ -127,6 +151,7 @@ ssows_enq(void *port, const struct rte_event *ev)
 
 	switch (ev->op) {
 	case RTE_EVENT_OP_NEW:
+		rte_smp_wmb();
 		ssows_new_event(ws, ev);
 		break;
 	case RTE_EVENT_OP_FORWARD:
@@ -147,3 +172,78 @@ ssows_enq_burst(void *port, const struct rte_event ev[], uint16_t nb_events)
 	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);
+	}
+}