-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
- *
- * 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 Intel Corporation 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) 2016-2017 Intel Corporation
+ * Copyright(c) 2019 Arm Limited
*/
/**
#include <rte_memory.h>
#include <rte_malloc.h>
#include <rte_ring.h>
+#include <rte_ring_elem.h>
#include "rte_eventdev.h"
#define RTE_TAILQ_EVENT_RING_NAME "RTE_EVENT_RING"
const struct rte_event *events,
unsigned int n, uint16_t *free_space)
{
- uint32_t prod_head, prod_next;
- uint32_t free_entries;
-
- n = __rte_ring_move_prod_head(&r->r, r->r.prod.single, n,
- RTE_RING_QUEUE_VARIABLE,
- &prod_head, &prod_next, &free_entries);
- if (n == 0)
- goto end;
+ unsigned int num;
+ uint32_t space;
- ENQUEUE_PTRS(&r->r, &r[1], prod_head, events, n, struct rte_event);
- rte_smp_wmb();
+ num = rte_ring_enqueue_burst_elem(&r->r, events,
+ sizeof(struct rte_event), n,
+ &space);
- update_tail(&r->r.prod, prod_head, prod_next, 1);
-end:
if (free_space != NULL)
- *free_space = free_entries - n;
- return n;
+ *free_space = space;
+
+ return num;
}
/**
struct rte_event *events,
unsigned int n, uint16_t *available)
{
- uint32_t cons_head, cons_next;
- uint32_t entries;
-
- n = __rte_ring_move_cons_head(&r->r, r->r.cons.single, n,
- RTE_RING_QUEUE_VARIABLE,
- &cons_head, &cons_next, &entries);
- if (n == 0)
- goto end;
+ unsigned int num;
+ uint32_t remaining;
- DEQUEUE_PTRS(&r->r, &r[1], cons_head, events, n, struct rte_event);
- rte_smp_rmb();
+ num = rte_ring_dequeue_burst_elem(&r->r, events,
+ sizeof(struct rte_event), n,
+ &remaining);
- update_tail(&r->r.cons, cons_head, cons_next, 1);
-
-end:
if (available != NULL)
- *available = entries - n;
- return n;
+ *available = remaining;
+
+ return num;
}
/*