-/*-
- * 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
*/
#ifndef _SW_EVDEV_H_
#define _SW_EVDEV_H_
+#include "sw_evdev_log.h"
#include <rte_eventdev.h>
-#include <rte_eventdev_pmd.h>
+#include <rte_eventdev_pmd_vdev.h>
#include <rte_atomic.h>
#define SW_DEFAULT_CREDIT_QUANTA 32
#define MAX_SW_PROD_Q_DEPTH 4096
#define SW_FRAGMENTS_MAX 16
+/* Should be power-of-two minus one, to leave room for the next pointer */
+#define SW_EVS_PER_Q_CHUNK 255
+#define SW_Q_CHUNK_SIZE ((SW_EVS_PER_Q_CHUNK + 1) * sizeof(struct rte_event))
+
/* report dequeue burst sizes in buckets */
#define SW_DEQ_STAT_BUCKET_SHIFT 2
/* how many packets pulled from port by sched */
#define EVENTDEV_NAME_SW_PMD event_sw
#define SW_PMD_NAME RTE_STR(event_sw)
+#define SW_PMD_NAME_MAX 64
#define SW_SCHED_TYPE_DIRECT (RTE_SCHED_TYPE_PARALLEL + 1)
QE_FLAG_VALID | QE_FLAG_COMPLETE | QE_FLAG_NOT_EOP,
};
-#ifdef RTE_LIBRTE_PMD_EVDEV_SW_DEBUG
-#define SW_LOG_INFO(fmt, args...) \
- RTE_LOG(INFO, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \
- SW_PMD_NAME, \
- __func__, __LINE__, ## args)
-
-#define SW_LOG_DBG(fmt, args...) \
- RTE_LOG(DEBUG, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \
- SW_PMD_NAME, \
- __func__, __LINE__, ## args)
-#else
-#define SW_LOG_INFO(fmt, args...)
-#define SW_LOG_DBG(fmt, args...)
-#endif
-
-#define SW_LOG_ERR(fmt, args...) \
- RTE_LOG(ERR, EVENTDEV, "[%s] %s() line %u: " fmt "\n", \
- SW_PMD_NAME, \
- __func__, __LINE__, ## args)
-
/* Records basic event stats at a given point. Used in port and qid structs */
struct sw_point_stats {
uint64_t rx_pkts;
struct rte_event fragments[SW_FRAGMENTS_MAX];
};
+struct sw_iq {
+ struct sw_queue_chunk *head;
+ struct sw_queue_chunk *tail;
+ uint16_t head_idx;
+ uint16_t tail_idx;
+ uint16_t count;
+};
+
struct sw_qid {
/* set when the QID has been initialized */
uint8_t initialized;
struct sw_point_stats stats;
/* Internal priority rings for packets */
- struct iq_ring *iq[SW_IQS_MAX];
+ struct sw_iq iq[SW_IQS_MAX];
uint32_t iq_pkt_mask; /* A mask to indicate packets in an IQ */
uint64_t iq_pkt_count[SW_IQS_MAX];
uint32_t cq_num_mapped_cqs;
uint32_t cq_next_tx; /* cq to write next (non-atomic) packet */
uint32_t cq_map[SW_PORTS_MAX];
+ uint64_t to_port[SW_PORTS_MAX];
/* Track flow ids for atomic load balancing */
struct sw_fid_t fids[SW_QID_NUM_FIDS];
/* A numeric ID for the port */
uint8_t id;
+ /* An atomic counter for when the port has been unlinked, and the
+ * scheduler has not yet acked this unlink - hence there may still be
+ * events in the buffers going to the port. When the unlinks in
+ * progress is read by the scheduler, no more events will be pushed to
+ * the port - hence the scheduler core can just assign zero.
+ */
+ uint8_t unlinks_in_progress;
+
int16_t is_directed; /** Takes from a single directed QID */
/**
* For loadbalanced we can optimise pulling packets from
int16_t num_ordered_qids;
/** Ring and buffer for pulling events from workers for scheduling */
- struct qe_ring *rx_worker_ring __rte_cache_aligned;
+ struct rte_event_ring *rx_worker_ring __rte_cache_aligned;
/** Ring and buffer for pushing packets to workers after scheduling */
- struct qe_ring *cq_worker_ring;
+ struct rte_event_ring *cq_worker_ring;
/* hole */
uint16_t outstanding_releases __rte_cache_aligned;
uint16_t inflight_max; /* app requested max inflights for this port */
uint16_t inflight_credits; /* num credits this port has right now */
+ uint8_t implicit_release; /* release events before dequeueing */
uint16_t last_dequeue_burst_sz; /* how big the burst was */
uint64_t last_dequeue_ticks; /* used to track burst processing time */
/* Internal queues - one per logical queue */
struct sw_qid qids[RTE_EVENT_MAX_QUEUES_PER_DEV] __rte_cache_aligned;
+ struct sw_queue_chunk *chunk_list_head;
+ struct sw_queue_chunk *chunks;
/* Cache how many packets are in each cq */
uint16_t cq_ring_space[SW_PORTS_MAX] __rte_cache_aligned;
/* store num stats and offset of the stats for each queue */
uint16_t xstats_count_per_qid[RTE_EVENT_MAX_QUEUES_PER_DEV];
uint16_t xstats_offset_for_qid[RTE_EVENT_MAX_QUEUES_PER_DEV];
+
+ uint32_t service_id;
+ char service_name[SW_PMD_NAME_MAX];
};
static inline struct sw_evdev *
const uint32_t ids[],
uint32_t nb_ids);
+int test_sw_eventdev(void);
#endif /* _SW_EVDEV_H_ */
projects / ceph.git / blobdiff