4 * Copyright(c) 2016 Cavium networks. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Cavium networks nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 #include <sys/types.h>
42 #include <sys/queue.h>
44 #include <rte_byteorder.h>
46 #include <rte_debug.h>
48 #include <rte_memory.h>
49 #include <rte_memcpy.h>
50 #include <rte_memzone.h>
52 #include <rte_per_lcore.h>
53 #include <rte_lcore.h>
54 #include <rte_atomic.h>
55 #include <rte_branch_prediction.h>
56 #include <rte_common.h>
57 #include <rte_malloc.h>
58 #include <rte_errno.h>
60 #include "rte_eventdev.h"
61 #include "rte_eventdev_pmd.h"
63 struct rte_eventdev rte_event_devices[RTE_EVENT_MAX_DEVS];
65 struct rte_eventdev *rte_eventdevs = &rte_event_devices[0];
67 static struct rte_eventdev_global eventdev_globals = {
71 struct rte_eventdev_global *rte_eventdev_globals = &eventdev_globals;
73 /* Event dev north bound API implementation */
76 rte_event_dev_count(void)
78 return rte_eventdev_globals->nb_devs;
82 rte_event_dev_get_dev_id(const char *name)
89 for (i = 0; i < rte_eventdev_globals->nb_devs; i++)
90 if ((strcmp(rte_event_devices[i].data->name, name)
92 (rte_event_devices[i].attached ==
93 RTE_EVENTDEV_ATTACHED))
99 rte_event_dev_socket_id(uint8_t dev_id)
101 struct rte_eventdev *dev;
103 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
104 dev = &rte_eventdevs[dev_id];
106 return dev->data->socket_id;
110 rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info)
112 struct rte_eventdev *dev;
114 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
115 dev = &rte_eventdevs[dev_id];
117 if (dev_info == NULL)
120 memset(dev_info, 0, sizeof(struct rte_event_dev_info));
122 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
123 (*dev->dev_ops->dev_infos_get)(dev, dev_info);
125 dev_info->dequeue_timeout_ns = dev->data->dev_conf.dequeue_timeout_ns;
127 dev_info->dev = dev->dev;
132 rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
134 uint8_t old_nb_queues = dev->data->nb_queues;
135 uint8_t *queues_prio;
138 RTE_EDEV_LOG_DEBUG("Setup %d queues on device %u", nb_queues,
141 /* First time configuration */
142 if (dev->data->queues_prio == NULL && nb_queues != 0) {
143 /* Allocate memory to store queue priority */
144 dev->data->queues_prio = rte_zmalloc_socket(
145 "eventdev->data->queues_prio",
146 sizeof(dev->data->queues_prio[0]) * nb_queues,
147 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
148 if (dev->data->queues_prio == NULL) {
149 dev->data->nb_queues = 0;
150 RTE_EDEV_LOG_ERR("failed to get mem for queue priority,"
151 "nb_queues %u", nb_queues);
155 } else if (dev->data->queues_prio != NULL && nb_queues != 0) {
156 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
158 for (i = nb_queues; i < old_nb_queues; i++)
159 (*dev->dev_ops->queue_release)(dev, i);
161 /* Re allocate memory to store queue priority */
162 queues_prio = dev->data->queues_prio;
163 queues_prio = rte_realloc(queues_prio,
164 sizeof(queues_prio[0]) * nb_queues,
165 RTE_CACHE_LINE_SIZE);
166 if (queues_prio == NULL) {
167 RTE_EDEV_LOG_ERR("failed to realloc queue priority,"
168 " nb_queues %u", nb_queues);
171 dev->data->queues_prio = queues_prio;
173 if (nb_queues > old_nb_queues) {
174 uint8_t new_qs = nb_queues - old_nb_queues;
176 memset(queues_prio + old_nb_queues, 0,
177 sizeof(queues_prio[0]) * new_qs);
179 } else if (dev->data->queues_prio != NULL && nb_queues == 0) {
180 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
182 for (i = nb_queues; i < old_nb_queues; i++)
183 (*dev->dev_ops->queue_release)(dev, i);
186 dev->data->nb_queues = nb_queues;
190 #define EVENT_QUEUE_SERVICE_PRIORITY_INVALID (0xdead)
193 rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t nb_ports)
195 uint8_t old_nb_ports = dev->data->nb_ports;
198 uint8_t *ports_dequeue_depth;
199 uint8_t *ports_enqueue_depth;
202 RTE_EDEV_LOG_DEBUG("Setup %d ports on device %u", nb_ports,
205 /* First time configuration */
206 if (dev->data->ports == NULL && nb_ports != 0) {
207 dev->data->ports = rte_zmalloc_socket("eventdev->data->ports",
208 sizeof(dev->data->ports[0]) * nb_ports,
209 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
210 if (dev->data->ports == NULL) {
211 dev->data->nb_ports = 0;
212 RTE_EDEV_LOG_ERR("failed to get mem for port meta data,"
213 "nb_ports %u", nb_ports);
217 /* Allocate memory to store ports dequeue depth */
218 dev->data->ports_dequeue_depth =
219 rte_zmalloc_socket("eventdev->ports_dequeue_depth",
220 sizeof(dev->data->ports_dequeue_depth[0]) * nb_ports,
221 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
222 if (dev->data->ports_dequeue_depth == NULL) {
223 dev->data->nb_ports = 0;
224 RTE_EDEV_LOG_ERR("failed to get mem for port deq meta,"
225 "nb_ports %u", nb_ports);
229 /* Allocate memory to store ports enqueue depth */
230 dev->data->ports_enqueue_depth =
231 rte_zmalloc_socket("eventdev->ports_enqueue_depth",
232 sizeof(dev->data->ports_enqueue_depth[0]) * nb_ports,
233 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
234 if (dev->data->ports_enqueue_depth == NULL) {
235 dev->data->nb_ports = 0;
236 RTE_EDEV_LOG_ERR("failed to get mem for port enq meta,"
237 "nb_ports %u", nb_ports);
241 /* Allocate memory to store queue to port link connection */
242 dev->data->links_map =
243 rte_zmalloc_socket("eventdev->links_map",
244 sizeof(dev->data->links_map[0]) * nb_ports *
245 RTE_EVENT_MAX_QUEUES_PER_DEV,
246 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
247 if (dev->data->links_map == NULL) {
248 dev->data->nb_ports = 0;
249 RTE_EDEV_LOG_ERR("failed to get mem for port_map area,"
250 "nb_ports %u", nb_ports);
253 for (i = 0; i < nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV; i++)
254 dev->data->links_map[i] =
255 EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
256 } else if (dev->data->ports != NULL && nb_ports != 0) {/* re-config */
257 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
259 ports = dev->data->ports;
260 ports_dequeue_depth = dev->data->ports_dequeue_depth;
261 ports_enqueue_depth = dev->data->ports_enqueue_depth;
262 links_map = dev->data->links_map;
264 for (i = nb_ports; i < old_nb_ports; i++)
265 (*dev->dev_ops->port_release)(ports[i]);
267 /* Realloc memory for ports */
268 ports = rte_realloc(ports, sizeof(ports[0]) * nb_ports,
269 RTE_CACHE_LINE_SIZE);
271 RTE_EDEV_LOG_ERR("failed to realloc port meta data,"
272 " nb_ports %u", nb_ports);
276 /* Realloc memory for ports_dequeue_depth */
277 ports_dequeue_depth = rte_realloc(ports_dequeue_depth,
278 sizeof(ports_dequeue_depth[0]) * nb_ports,
279 RTE_CACHE_LINE_SIZE);
280 if (ports_dequeue_depth == NULL) {
281 RTE_EDEV_LOG_ERR("failed to realloc port dequeue meta,"
282 " nb_ports %u", nb_ports);
286 /* Realloc memory for ports_enqueue_depth */
287 ports_enqueue_depth = rte_realloc(ports_enqueue_depth,
288 sizeof(ports_enqueue_depth[0]) * nb_ports,
289 RTE_CACHE_LINE_SIZE);
290 if (ports_enqueue_depth == NULL) {
291 RTE_EDEV_LOG_ERR("failed to realloc port enqueue meta,"
292 " nb_ports %u", nb_ports);
296 /* Realloc memory to store queue to port link connection */
297 links_map = rte_realloc(links_map,
298 sizeof(dev->data->links_map[0]) * nb_ports *
299 RTE_EVENT_MAX_QUEUES_PER_DEV,
300 RTE_CACHE_LINE_SIZE);
301 if (dev->data->links_map == NULL) {
302 dev->data->nb_ports = 0;
303 RTE_EDEV_LOG_ERR("failed to realloc mem for port_map,"
304 "nb_ports %u", nb_ports);
308 if (nb_ports > old_nb_ports) {
309 uint8_t new_ps = nb_ports - old_nb_ports;
310 unsigned int old_links_map_end =
311 old_nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
312 unsigned int links_map_end =
313 nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
315 memset(ports + old_nb_ports, 0,
316 sizeof(ports[0]) * new_ps);
317 memset(ports_dequeue_depth + old_nb_ports, 0,
318 sizeof(ports_dequeue_depth[0]) * new_ps);
319 memset(ports_enqueue_depth + old_nb_ports, 0,
320 sizeof(ports_enqueue_depth[0]) * new_ps);
321 for (i = old_links_map_end; i < links_map_end; i++)
323 EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
326 dev->data->ports = ports;
327 dev->data->ports_dequeue_depth = ports_dequeue_depth;
328 dev->data->ports_enqueue_depth = ports_enqueue_depth;
329 dev->data->links_map = links_map;
330 } else if (dev->data->ports != NULL && nb_ports == 0) {
331 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
333 ports = dev->data->ports;
334 for (i = nb_ports; i < old_nb_ports; i++)
335 (*dev->dev_ops->port_release)(ports[i]);
338 dev->data->nb_ports = nb_ports;
343 rte_event_dev_configure(uint8_t dev_id,
344 const struct rte_event_dev_config *dev_conf)
346 struct rte_eventdev *dev;
347 struct rte_event_dev_info info;
350 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
351 dev = &rte_eventdevs[dev_id];
353 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
354 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
356 if (dev->data->dev_started) {
358 "device %d must be stopped to allow configuration", dev_id);
362 if (dev_conf == NULL)
365 (*dev->dev_ops->dev_infos_get)(dev, &info);
367 /* Check dequeue_timeout_ns value is in limit */
368 if (!(dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)) {
369 if (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
370 || dev_conf->dequeue_timeout_ns >
371 info.max_dequeue_timeout_ns) {
372 RTE_EDEV_LOG_ERR("dev%d invalid dequeue_timeout_ns=%d"
373 " min_dequeue_timeout_ns=%d max_dequeue_timeout_ns=%d",
374 dev_id, dev_conf->dequeue_timeout_ns,
375 info.min_dequeue_timeout_ns,
376 info.max_dequeue_timeout_ns);
381 /* Check nb_events_limit is in limit */
382 if (dev_conf->nb_events_limit > info.max_num_events) {
383 RTE_EDEV_LOG_ERR("dev%d nb_events_limit=%d > max_num_events=%d",
384 dev_id, dev_conf->nb_events_limit, info.max_num_events);
388 /* Check nb_event_queues is in limit */
389 if (!dev_conf->nb_event_queues) {
390 RTE_EDEV_LOG_ERR("dev%d nb_event_queues cannot be zero",
394 if (dev_conf->nb_event_queues > info.max_event_queues) {
395 RTE_EDEV_LOG_ERR("%d nb_event_queues=%d > max_event_queues=%d",
396 dev_id, dev_conf->nb_event_queues, info.max_event_queues);
400 /* Check nb_event_ports is in limit */
401 if (!dev_conf->nb_event_ports) {
402 RTE_EDEV_LOG_ERR("dev%d nb_event_ports cannot be zero", dev_id);
405 if (dev_conf->nb_event_ports > info.max_event_ports) {
406 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d > max_event_ports= %d",
407 dev_id, dev_conf->nb_event_ports, info.max_event_ports);
411 /* Check nb_event_queue_flows is in limit */
412 if (!dev_conf->nb_event_queue_flows) {
413 RTE_EDEV_LOG_ERR("dev%d nb_flows cannot be zero", dev_id);
416 if (dev_conf->nb_event_queue_flows > info.max_event_queue_flows) {
417 RTE_EDEV_LOG_ERR("dev%d nb_flows=%x > max_flows=%x",
418 dev_id, dev_conf->nb_event_queue_flows,
419 info.max_event_queue_flows);
423 /* Check nb_event_port_dequeue_depth is in limit */
424 if (!dev_conf->nb_event_port_dequeue_depth) {
425 RTE_EDEV_LOG_ERR("dev%d nb_dequeue_depth cannot be zero",
429 if (dev_conf->nb_event_port_dequeue_depth >
430 info.max_event_port_dequeue_depth) {
431 RTE_EDEV_LOG_ERR("dev%d nb_dq_depth=%d > max_dq_depth=%d",
432 dev_id, dev_conf->nb_event_port_dequeue_depth,
433 info.max_event_port_dequeue_depth);
437 /* Check nb_event_port_enqueue_depth is in limit */
438 if (!dev_conf->nb_event_port_enqueue_depth) {
439 RTE_EDEV_LOG_ERR("dev%d nb_enqueue_depth cannot be zero",
443 if (dev_conf->nb_event_port_enqueue_depth >
444 info.max_event_port_enqueue_depth) {
445 RTE_EDEV_LOG_ERR("dev%d nb_enq_depth=%d > max_enq_depth=%d",
446 dev_id, dev_conf->nb_event_port_enqueue_depth,
447 info.max_event_port_enqueue_depth);
451 /* Copy the dev_conf parameter into the dev structure */
452 memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
454 /* Setup new number of queues and reconfigure device. */
455 diag = rte_event_dev_queue_config(dev, dev_conf->nb_event_queues);
457 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_queue_config = %d",
462 /* Setup new number of ports and reconfigure device. */
463 diag = rte_event_dev_port_config(dev, dev_conf->nb_event_ports);
465 rte_event_dev_queue_config(dev, 0);
466 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_port_config = %d",
471 /* Configure the device */
472 diag = (*dev->dev_ops->dev_configure)(dev);
474 RTE_EDEV_LOG_ERR("dev%d dev_configure = %d", dev_id, diag);
475 rte_event_dev_queue_config(dev, 0);
476 rte_event_dev_port_config(dev, 0);
479 dev->data->event_dev_cap = info.event_dev_cap;
484 is_valid_queue(struct rte_eventdev *dev, uint8_t queue_id)
486 if (queue_id < dev->data->nb_queues && queue_id <
487 RTE_EVENT_MAX_QUEUES_PER_DEV)
494 rte_event_queue_default_conf_get(uint8_t dev_id, uint8_t queue_id,
495 struct rte_event_queue_conf *queue_conf)
497 struct rte_eventdev *dev;
499 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
500 dev = &rte_eventdevs[dev_id];
502 if (queue_conf == NULL)
505 if (!is_valid_queue(dev, queue_id)) {
506 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
510 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
511 memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
512 (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf);
517 is_valid_atomic_queue_conf(const struct rte_event_queue_conf *queue_conf)
520 ((queue_conf->event_queue_cfg &
521 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
522 == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
523 ((queue_conf->event_queue_cfg &
524 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
525 == RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY)
533 is_valid_ordered_queue_conf(const struct rte_event_queue_conf *queue_conf)
536 ((queue_conf->event_queue_cfg &
537 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
538 == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
539 ((queue_conf->event_queue_cfg &
540 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
541 == RTE_EVENT_QUEUE_CFG_ORDERED_ONLY)
550 rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
551 const struct rte_event_queue_conf *queue_conf)
553 struct rte_eventdev *dev;
554 struct rte_event_queue_conf def_conf;
556 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
557 dev = &rte_eventdevs[dev_id];
559 if (!is_valid_queue(dev, queue_id)) {
560 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
564 /* Check nb_atomic_flows limit */
565 if (is_valid_atomic_queue_conf(queue_conf)) {
566 if (queue_conf->nb_atomic_flows == 0 ||
567 queue_conf->nb_atomic_flows >
568 dev->data->dev_conf.nb_event_queue_flows) {
570 "dev%d queue%d Invalid nb_atomic_flows=%d max_flows=%d",
571 dev_id, queue_id, queue_conf->nb_atomic_flows,
572 dev->data->dev_conf.nb_event_queue_flows);
577 /* Check nb_atomic_order_sequences limit */
578 if (is_valid_ordered_queue_conf(queue_conf)) {
579 if (queue_conf->nb_atomic_order_sequences == 0 ||
580 queue_conf->nb_atomic_order_sequences >
581 dev->data->dev_conf.nb_event_queue_flows) {
583 "dev%d queue%d Invalid nb_atomic_order_seq=%d max_flows=%d",
584 dev_id, queue_id, queue_conf->nb_atomic_order_sequences,
585 dev->data->dev_conf.nb_event_queue_flows);
590 if (dev->data->dev_started) {
592 "device %d must be stopped to allow queue setup", dev_id);
596 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
598 if (queue_conf == NULL) {
599 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf,
601 (*dev->dev_ops->queue_def_conf)(dev, queue_id, &def_conf);
602 queue_conf = &def_conf;
605 dev->data->queues_prio[queue_id] = queue_conf->priority;
606 return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
610 rte_event_queue_count(uint8_t dev_id)
612 struct rte_eventdev *dev;
614 dev = &rte_eventdevs[dev_id];
615 return dev->data->nb_queues;
619 rte_event_queue_priority(uint8_t dev_id, uint8_t queue_id)
621 struct rte_eventdev *dev;
623 dev = &rte_eventdevs[dev_id];
624 if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
625 return dev->data->queues_prio[queue_id];
627 return RTE_EVENT_DEV_PRIORITY_NORMAL;
631 is_valid_port(struct rte_eventdev *dev, uint8_t port_id)
633 if (port_id < dev->data->nb_ports)
640 rte_event_port_default_conf_get(uint8_t dev_id, uint8_t port_id,
641 struct rte_event_port_conf *port_conf)
643 struct rte_eventdev *dev;
645 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
646 dev = &rte_eventdevs[dev_id];
648 if (port_conf == NULL)
651 if (!is_valid_port(dev, port_id)) {
652 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
656 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf, -ENOTSUP);
657 memset(port_conf, 0, sizeof(struct rte_event_port_conf));
658 (*dev->dev_ops->port_def_conf)(dev, port_id, port_conf);
663 rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
664 const struct rte_event_port_conf *port_conf)
666 struct rte_eventdev *dev;
667 struct rte_event_port_conf def_conf;
670 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
671 dev = &rte_eventdevs[dev_id];
673 if (!is_valid_port(dev, port_id)) {
674 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
678 /* Check new_event_threshold limit */
679 if ((port_conf && !port_conf->new_event_threshold) ||
680 (port_conf && port_conf->new_event_threshold >
681 dev->data->dev_conf.nb_events_limit)) {
683 "dev%d port%d Invalid event_threshold=%d nb_events_limit=%d",
684 dev_id, port_id, port_conf->new_event_threshold,
685 dev->data->dev_conf.nb_events_limit);
689 /* Check dequeue_depth limit */
690 if ((port_conf && !port_conf->dequeue_depth) ||
691 (port_conf && port_conf->dequeue_depth >
692 dev->data->dev_conf.nb_event_port_dequeue_depth)) {
694 "dev%d port%d Invalid dequeue depth=%d max_dequeue_depth=%d",
695 dev_id, port_id, port_conf->dequeue_depth,
696 dev->data->dev_conf.nb_event_port_dequeue_depth);
700 /* Check enqueue_depth limit */
701 if ((port_conf && !port_conf->enqueue_depth) ||
702 (port_conf && port_conf->enqueue_depth >
703 dev->data->dev_conf.nb_event_port_enqueue_depth)) {
705 "dev%d port%d Invalid enqueue depth=%d max_enqueue_depth=%d",
706 dev_id, port_id, port_conf->enqueue_depth,
707 dev->data->dev_conf.nb_event_port_enqueue_depth);
711 if (dev->data->dev_started) {
713 "device %d must be stopped to allow port setup", dev_id);
717 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_setup, -ENOTSUP);
719 if (port_conf == NULL) {
720 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf,
722 (*dev->dev_ops->port_def_conf)(dev, port_id, &def_conf);
723 port_conf = &def_conf;
726 dev->data->ports_dequeue_depth[port_id] =
727 port_conf->dequeue_depth;
728 dev->data->ports_enqueue_depth[port_id] =
729 port_conf->enqueue_depth;
731 diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
733 /* Unlink all the queues from this port(default state after setup) */
735 diag = rte_event_port_unlink(dev_id, port_id, NULL, 0);
744 rte_event_port_dequeue_depth(uint8_t dev_id, uint8_t port_id)
746 struct rte_eventdev *dev;
748 dev = &rte_eventdevs[dev_id];
749 return dev->data->ports_dequeue_depth[port_id];
753 rte_event_port_enqueue_depth(uint8_t dev_id, uint8_t port_id)
755 struct rte_eventdev *dev;
757 dev = &rte_eventdevs[dev_id];
758 return dev->data->ports_enqueue_depth[port_id];
762 rte_event_port_count(uint8_t dev_id)
764 struct rte_eventdev *dev;
766 dev = &rte_eventdevs[dev_id];
767 return dev->data->nb_ports;
771 rte_event_port_link(uint8_t dev_id, uint8_t port_id,
772 const uint8_t queues[], const uint8_t priorities[],
775 struct rte_eventdev *dev;
776 uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
777 uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
781 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
782 dev = &rte_eventdevs[dev_id];
783 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_link, -ENOTSUP);
785 if (!is_valid_port(dev, port_id)) {
786 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
790 if (queues == NULL) {
791 for (i = 0; i < dev->data->nb_queues; i++)
794 queues = queues_list;
795 nb_links = dev->data->nb_queues;
798 if (priorities == NULL) {
799 for (i = 0; i < nb_links; i++)
800 priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
802 priorities = priorities_list;
805 for (i = 0; i < nb_links; i++)
806 if (queues[i] >= dev->data->nb_queues)
809 diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id],
810 queues, priorities, nb_links);
814 links_map = dev->data->links_map;
815 /* Point links_map to this port specific area */
816 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
817 for (i = 0; i < diag; i++)
818 links_map[queues[i]] = (uint8_t)priorities[i];
824 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
825 uint8_t queues[], uint16_t nb_unlinks)
827 struct rte_eventdev *dev;
828 uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
832 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
833 dev = &rte_eventdevs[dev_id];
834 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlink, -ENOTSUP);
836 if (!is_valid_port(dev, port_id)) {
837 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
841 if (queues == NULL) {
842 for (i = 0; i < dev->data->nb_queues; i++)
845 nb_unlinks = dev->data->nb_queues;
848 for (i = 0; i < nb_unlinks; i++)
849 if (queues[i] >= dev->data->nb_queues)
852 diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id],
858 links_map = dev->data->links_map;
859 /* Point links_map to this port specific area */
860 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
861 for (i = 0; i < diag; i++)
862 links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
868 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
869 uint8_t queues[], uint8_t priorities[])
871 struct rte_eventdev *dev;
875 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
876 dev = &rte_eventdevs[dev_id];
877 if (!is_valid_port(dev, port_id)) {
878 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
882 links_map = dev->data->links_map;
883 /* Point links_map to this port specific area */
884 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
885 for (i = 0; i < dev->data->nb_queues; i++) {
886 if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
888 priorities[count] = (uint8_t)links_map[i];
896 rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
897 uint64_t *timeout_ticks)
899 struct rte_eventdev *dev;
901 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
902 dev = &rte_eventdevs[dev_id];
903 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP);
905 if (timeout_ticks == NULL)
908 return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
912 rte_event_dev_dump(uint8_t dev_id, FILE *f)
914 struct rte_eventdev *dev;
916 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
917 dev = &rte_eventdevs[dev_id];
918 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
920 (*dev->dev_ops->dump)(dev, f);
926 xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
927 uint8_t queue_port_id)
929 struct rte_eventdev *dev = &rte_eventdevs[dev_id];
930 if (dev->dev_ops->xstats_get_names != NULL)
931 return (*dev->dev_ops->xstats_get_names)(dev, mode,
938 rte_event_dev_xstats_names_get(uint8_t dev_id,
939 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
940 struct rte_event_dev_xstats_name *xstats_names,
941 unsigned int *ids, unsigned int size)
943 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
944 const int cnt_expected_entries = xstats_get_count(dev_id, mode,
946 if (xstats_names == NULL || cnt_expected_entries < 0 ||
947 (int)size < cnt_expected_entries)
948 return cnt_expected_entries;
950 /* dev_id checked above */
951 const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
953 if (dev->dev_ops->xstats_get_names != NULL)
954 return (*dev->dev_ops->xstats_get_names)(dev, mode,
955 queue_port_id, xstats_names, ids, size);
960 /* retrieve eventdev extended statistics */
962 rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
963 uint8_t queue_port_id, const unsigned int ids[],
964 uint64_t values[], unsigned int n)
966 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
967 const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
969 /* implemented by the driver */
970 if (dev->dev_ops->xstats_get != NULL)
971 return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id,
977 rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name,
980 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
981 const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
982 unsigned int temp = -1;
985 *id = (unsigned int)-1;
987 id = &temp; /* ensure driver never gets a NULL value */
989 /* implemented by driver */
990 if (dev->dev_ops->xstats_get_by_name != NULL)
991 return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
995 int rte_event_dev_xstats_reset(uint8_t dev_id,
996 enum rte_event_dev_xstats_mode mode, int16_t queue_port_id,
997 const uint32_t ids[], uint32_t nb_ids)
999 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1000 struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1002 if (dev->dev_ops->xstats_reset != NULL)
1003 return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id,
1009 rte_event_dev_start(uint8_t dev_id)
1011 struct rte_eventdev *dev;
1014 RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1016 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1017 dev = &rte_eventdevs[dev_id];
1018 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1020 if (dev->data->dev_started != 0) {
1021 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started",
1026 diag = (*dev->dev_ops->dev_start)(dev);
1028 dev->data->dev_started = 1;
1036 rte_event_dev_stop(uint8_t dev_id)
1038 struct rte_eventdev *dev;
1040 RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id);
1042 RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
1043 dev = &rte_eventdevs[dev_id];
1044 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1046 if (dev->data->dev_started == 0) {
1047 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped",
1052 dev->data->dev_started = 0;
1053 (*dev->dev_ops->dev_stop)(dev);
1057 rte_event_dev_close(uint8_t dev_id)
1059 struct rte_eventdev *dev;
1061 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1062 dev = &rte_eventdevs[dev_id];
1063 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1065 /* Device must be stopped before it can be closed */
1066 if (dev->data->dev_started == 1) {
1067 RTE_EDEV_LOG_ERR("Device %u must be stopped before closing",
1072 return (*dev->dev_ops->dev_close)(dev);
1076 rte_eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
1079 char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1080 const struct rte_memzone *mz;
1083 /* Generate memzone name */
1084 n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
1085 if (n >= (int)sizeof(mz_name))
1088 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1089 mz = rte_memzone_reserve(mz_name,
1090 sizeof(struct rte_eventdev_data),
1093 mz = rte_memzone_lookup(mz_name);
1099 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1100 memset(*data, 0, sizeof(struct rte_eventdev_data));
1105 static inline uint8_t
1106 rte_eventdev_find_free_device_index(void)
1110 for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1111 if (rte_eventdevs[dev_id].attached ==
1112 RTE_EVENTDEV_DETACHED)
1115 return RTE_EVENT_MAX_DEVS;
1118 struct rte_eventdev *
1119 rte_event_pmd_allocate(const char *name, int socket_id)
1121 struct rte_eventdev *eventdev;
1124 if (rte_event_pmd_get_named_dev(name) != NULL) {
1125 RTE_EDEV_LOG_ERR("Event device with name %s already "
1126 "allocated!", name);
1130 dev_id = rte_eventdev_find_free_device_index();
1131 if (dev_id == RTE_EVENT_MAX_DEVS) {
1132 RTE_EDEV_LOG_ERR("Reached maximum number of event devices");
1136 eventdev = &rte_eventdevs[dev_id];
1138 if (eventdev->data == NULL) {
1139 struct rte_eventdev_data *eventdev_data = NULL;
1141 int retval = rte_eventdev_data_alloc(dev_id, &eventdev_data,
1144 if (retval < 0 || eventdev_data == NULL)
1147 eventdev->data = eventdev_data;
1149 snprintf(eventdev->data->name, RTE_EVENTDEV_NAME_MAX_LEN,
1152 eventdev->data->dev_id = dev_id;
1153 eventdev->data->socket_id = socket_id;
1154 eventdev->data->dev_started = 0;
1156 eventdev->attached = RTE_EVENTDEV_ATTACHED;
1158 eventdev_globals.nb_devs++;
1165 rte_event_pmd_release(struct rte_eventdev *eventdev)
1168 char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1169 const struct rte_memzone *mz;
1171 if (eventdev == NULL)
1174 eventdev->attached = RTE_EVENTDEV_DETACHED;
1175 eventdev_globals.nb_devs--;
1177 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1178 rte_free(eventdev->data->dev_private);
1180 /* Generate memzone name */
1181 ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
1182 eventdev->data->dev_id);
1183 if (ret >= (int)sizeof(mz_name))
1186 mz = rte_memzone_lookup(mz_name);
1190 ret = rte_memzone_free(mz);
1195 eventdev->data = NULL;