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 ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
430 (dev_conf->nb_event_port_dequeue_depth >
431 info.max_event_port_dequeue_depth)) {
432 RTE_EDEV_LOG_ERR("dev%d nb_dq_depth=%d > max_dq_depth=%d",
433 dev_id, dev_conf->nb_event_port_dequeue_depth,
434 info.max_event_port_dequeue_depth);
438 /* Check nb_event_port_enqueue_depth is in limit */
439 if (!dev_conf->nb_event_port_enqueue_depth) {
440 RTE_EDEV_LOG_ERR("dev%d nb_enqueue_depth cannot be zero",
444 if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
445 (dev_conf->nb_event_port_enqueue_depth >
446 info.max_event_port_enqueue_depth)) {
447 RTE_EDEV_LOG_ERR("dev%d nb_enq_depth=%d > max_enq_depth=%d",
448 dev_id, dev_conf->nb_event_port_enqueue_depth,
449 info.max_event_port_enqueue_depth);
453 /* Copy the dev_conf parameter into the dev structure */
454 memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
456 /* Setup new number of queues and reconfigure device. */
457 diag = rte_event_dev_queue_config(dev, dev_conf->nb_event_queues);
459 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_queue_config = %d",
464 /* Setup new number of ports and reconfigure device. */
465 diag = rte_event_dev_port_config(dev, dev_conf->nb_event_ports);
467 rte_event_dev_queue_config(dev, 0);
468 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_port_config = %d",
473 /* Configure the device */
474 diag = (*dev->dev_ops->dev_configure)(dev);
476 RTE_EDEV_LOG_ERR("dev%d dev_configure = %d", dev_id, diag);
477 rte_event_dev_queue_config(dev, 0);
478 rte_event_dev_port_config(dev, 0);
481 dev->data->event_dev_cap = info.event_dev_cap;
486 is_valid_queue(struct rte_eventdev *dev, uint8_t queue_id)
488 if (queue_id < dev->data->nb_queues && queue_id <
489 RTE_EVENT_MAX_QUEUES_PER_DEV)
496 rte_event_queue_default_conf_get(uint8_t dev_id, uint8_t queue_id,
497 struct rte_event_queue_conf *queue_conf)
499 struct rte_eventdev *dev;
501 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
502 dev = &rte_eventdevs[dev_id];
504 if (queue_conf == NULL)
507 if (!is_valid_queue(dev, queue_id)) {
508 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
512 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
513 memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
514 (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf);
519 is_valid_atomic_queue_conf(const struct rte_event_queue_conf *queue_conf)
522 ((queue_conf->event_queue_cfg &
523 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
524 == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
525 ((queue_conf->event_queue_cfg &
526 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
527 == RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY)
535 is_valid_ordered_queue_conf(const struct rte_event_queue_conf *queue_conf)
538 ((queue_conf->event_queue_cfg &
539 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
540 == RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
541 ((queue_conf->event_queue_cfg &
542 RTE_EVENT_QUEUE_CFG_TYPE_MASK)
543 == RTE_EVENT_QUEUE_CFG_ORDERED_ONLY)
552 rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
553 const struct rte_event_queue_conf *queue_conf)
555 struct rte_eventdev *dev;
556 struct rte_event_queue_conf def_conf;
558 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
559 dev = &rte_eventdevs[dev_id];
561 if (!is_valid_queue(dev, queue_id)) {
562 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
566 /* Check nb_atomic_flows limit */
567 if (is_valid_atomic_queue_conf(queue_conf)) {
568 if (queue_conf->nb_atomic_flows == 0 ||
569 queue_conf->nb_atomic_flows >
570 dev->data->dev_conf.nb_event_queue_flows) {
572 "dev%d queue%d Invalid nb_atomic_flows=%d max_flows=%d",
573 dev_id, queue_id, queue_conf->nb_atomic_flows,
574 dev->data->dev_conf.nb_event_queue_flows);
579 /* Check nb_atomic_order_sequences limit */
580 if (is_valid_ordered_queue_conf(queue_conf)) {
581 if (queue_conf->nb_atomic_order_sequences == 0 ||
582 queue_conf->nb_atomic_order_sequences >
583 dev->data->dev_conf.nb_event_queue_flows) {
585 "dev%d queue%d Invalid nb_atomic_order_seq=%d max_flows=%d",
586 dev_id, queue_id, queue_conf->nb_atomic_order_sequences,
587 dev->data->dev_conf.nb_event_queue_flows);
592 if (dev->data->dev_started) {
594 "device %d must be stopped to allow queue setup", dev_id);
598 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
600 if (queue_conf == NULL) {
601 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf,
603 (*dev->dev_ops->queue_def_conf)(dev, queue_id, &def_conf);
604 queue_conf = &def_conf;
607 dev->data->queues_prio[queue_id] = queue_conf->priority;
608 return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
612 rte_event_queue_count(uint8_t dev_id)
614 struct rte_eventdev *dev;
616 dev = &rte_eventdevs[dev_id];
617 return dev->data->nb_queues;
621 rte_event_queue_priority(uint8_t dev_id, uint8_t queue_id)
623 struct rte_eventdev *dev;
625 dev = &rte_eventdevs[dev_id];
626 if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
627 return dev->data->queues_prio[queue_id];
629 return RTE_EVENT_DEV_PRIORITY_NORMAL;
633 is_valid_port(struct rte_eventdev *dev, uint8_t port_id)
635 if (port_id < dev->data->nb_ports)
642 rte_event_port_default_conf_get(uint8_t dev_id, uint8_t port_id,
643 struct rte_event_port_conf *port_conf)
645 struct rte_eventdev *dev;
647 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
648 dev = &rte_eventdevs[dev_id];
650 if (port_conf == NULL)
653 if (!is_valid_port(dev, port_id)) {
654 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
658 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf, -ENOTSUP);
659 memset(port_conf, 0, sizeof(struct rte_event_port_conf));
660 (*dev->dev_ops->port_def_conf)(dev, port_id, port_conf);
665 rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
666 const struct rte_event_port_conf *port_conf)
668 struct rte_eventdev *dev;
669 struct rte_event_port_conf def_conf;
672 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
673 dev = &rte_eventdevs[dev_id];
675 if (!is_valid_port(dev, port_id)) {
676 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
680 /* Check new_event_threshold limit */
681 if ((port_conf && !port_conf->new_event_threshold) ||
682 (port_conf && port_conf->new_event_threshold >
683 dev->data->dev_conf.nb_events_limit)) {
685 "dev%d port%d Invalid event_threshold=%d nb_events_limit=%d",
686 dev_id, port_id, port_conf->new_event_threshold,
687 dev->data->dev_conf.nb_events_limit);
691 /* Check dequeue_depth limit */
692 if ((port_conf && !port_conf->dequeue_depth) ||
693 (port_conf && port_conf->dequeue_depth >
694 dev->data->dev_conf.nb_event_port_dequeue_depth)) {
696 "dev%d port%d Invalid dequeue depth=%d max_dequeue_depth=%d",
697 dev_id, port_id, port_conf->dequeue_depth,
698 dev->data->dev_conf.nb_event_port_dequeue_depth);
702 /* Check enqueue_depth limit */
703 if ((port_conf && !port_conf->enqueue_depth) ||
704 (port_conf && port_conf->enqueue_depth >
705 dev->data->dev_conf.nb_event_port_enqueue_depth)) {
707 "dev%d port%d Invalid enqueue depth=%d max_enqueue_depth=%d",
708 dev_id, port_id, port_conf->enqueue_depth,
709 dev->data->dev_conf.nb_event_port_enqueue_depth);
713 if (dev->data->dev_started) {
715 "device %d must be stopped to allow port setup", dev_id);
719 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_setup, -ENOTSUP);
721 if (port_conf == NULL) {
722 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf,
724 (*dev->dev_ops->port_def_conf)(dev, port_id, &def_conf);
725 port_conf = &def_conf;
728 dev->data->ports_dequeue_depth[port_id] =
729 port_conf->dequeue_depth;
730 dev->data->ports_enqueue_depth[port_id] =
731 port_conf->enqueue_depth;
733 diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
735 /* Unlink all the queues from this port(default state after setup) */
737 diag = rte_event_port_unlink(dev_id, port_id, NULL, 0);
746 rte_event_port_dequeue_depth(uint8_t dev_id, uint8_t port_id)
748 struct rte_eventdev *dev;
750 dev = &rte_eventdevs[dev_id];
751 return dev->data->ports_dequeue_depth[port_id];
755 rte_event_port_enqueue_depth(uint8_t dev_id, uint8_t port_id)
757 struct rte_eventdev *dev;
759 dev = &rte_eventdevs[dev_id];
760 return dev->data->ports_enqueue_depth[port_id];
764 rte_event_port_count(uint8_t dev_id)
766 struct rte_eventdev *dev;
768 dev = &rte_eventdevs[dev_id];
769 return dev->data->nb_ports;
773 rte_event_port_link(uint8_t dev_id, uint8_t port_id,
774 const uint8_t queues[], const uint8_t priorities[],
777 struct rte_eventdev *dev;
778 uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
779 uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
783 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
784 dev = &rte_eventdevs[dev_id];
785 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_link, -ENOTSUP);
787 if (!is_valid_port(dev, port_id)) {
788 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
792 if (queues == NULL) {
793 for (i = 0; i < dev->data->nb_queues; i++)
796 queues = queues_list;
797 nb_links = dev->data->nb_queues;
800 if (priorities == NULL) {
801 for (i = 0; i < nb_links; i++)
802 priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
804 priorities = priorities_list;
807 for (i = 0; i < nb_links; i++)
808 if (queues[i] >= dev->data->nb_queues)
811 diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id],
812 queues, priorities, nb_links);
816 links_map = dev->data->links_map;
817 /* Point links_map to this port specific area */
818 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
819 for (i = 0; i < diag; i++)
820 links_map[queues[i]] = (uint8_t)priorities[i];
826 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
827 uint8_t queues[], uint16_t nb_unlinks)
829 struct rte_eventdev *dev;
830 uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
834 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
835 dev = &rte_eventdevs[dev_id];
836 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlink, -ENOTSUP);
838 if (!is_valid_port(dev, port_id)) {
839 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
843 if (queues == NULL) {
844 for (i = 0; i < dev->data->nb_queues; i++)
847 nb_unlinks = dev->data->nb_queues;
850 for (i = 0; i < nb_unlinks; i++)
851 if (queues[i] >= dev->data->nb_queues)
854 diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id],
860 links_map = dev->data->links_map;
861 /* Point links_map to this port specific area */
862 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
863 for (i = 0; i < diag; i++)
864 links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
870 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
871 uint8_t queues[], uint8_t priorities[])
873 struct rte_eventdev *dev;
877 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
878 dev = &rte_eventdevs[dev_id];
879 if (!is_valid_port(dev, port_id)) {
880 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
884 links_map = dev->data->links_map;
885 /* Point links_map to this port specific area */
886 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
887 for (i = 0; i < dev->data->nb_queues; i++) {
888 if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
890 priorities[count] = (uint8_t)links_map[i];
898 rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
899 uint64_t *timeout_ticks)
901 struct rte_eventdev *dev;
903 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
904 dev = &rte_eventdevs[dev_id];
905 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP);
907 if (timeout_ticks == NULL)
910 return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
914 rte_event_dev_dump(uint8_t dev_id, FILE *f)
916 struct rte_eventdev *dev;
918 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
919 dev = &rte_eventdevs[dev_id];
920 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
922 (*dev->dev_ops->dump)(dev, f);
928 xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
929 uint8_t queue_port_id)
931 struct rte_eventdev *dev = &rte_eventdevs[dev_id];
932 if (dev->dev_ops->xstats_get_names != NULL)
933 return (*dev->dev_ops->xstats_get_names)(dev, mode,
940 rte_event_dev_xstats_names_get(uint8_t dev_id,
941 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
942 struct rte_event_dev_xstats_name *xstats_names,
943 unsigned int *ids, unsigned int size)
945 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
946 const int cnt_expected_entries = xstats_get_count(dev_id, mode,
948 if (xstats_names == NULL || cnt_expected_entries < 0 ||
949 (int)size < cnt_expected_entries)
950 return cnt_expected_entries;
952 /* dev_id checked above */
953 const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
955 if (dev->dev_ops->xstats_get_names != NULL)
956 return (*dev->dev_ops->xstats_get_names)(dev, mode,
957 queue_port_id, xstats_names, ids, size);
962 /* retrieve eventdev extended statistics */
964 rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
965 uint8_t queue_port_id, const unsigned int ids[],
966 uint64_t values[], unsigned int n)
968 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
969 const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
971 /* implemented by the driver */
972 if (dev->dev_ops->xstats_get != NULL)
973 return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id,
979 rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name,
982 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
983 const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
984 unsigned int temp = -1;
987 *id = (unsigned int)-1;
989 id = &temp; /* ensure driver never gets a NULL value */
991 /* implemented by driver */
992 if (dev->dev_ops->xstats_get_by_name != NULL)
993 return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
997 int rte_event_dev_xstats_reset(uint8_t dev_id,
998 enum rte_event_dev_xstats_mode mode, int16_t queue_port_id,
999 const uint32_t ids[], uint32_t nb_ids)
1001 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1002 struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1004 if (dev->dev_ops->xstats_reset != NULL)
1005 return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id,
1011 rte_event_dev_start(uint8_t dev_id)
1013 struct rte_eventdev *dev;
1016 RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1018 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1019 dev = &rte_eventdevs[dev_id];
1020 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1022 if (dev->data->dev_started != 0) {
1023 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started",
1028 diag = (*dev->dev_ops->dev_start)(dev);
1030 dev->data->dev_started = 1;
1038 rte_event_dev_stop(uint8_t dev_id)
1040 struct rte_eventdev *dev;
1042 RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id);
1044 RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
1045 dev = &rte_eventdevs[dev_id];
1046 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1048 if (dev->data->dev_started == 0) {
1049 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped",
1054 dev->data->dev_started = 0;
1055 (*dev->dev_ops->dev_stop)(dev);
1059 rte_event_dev_close(uint8_t dev_id)
1061 struct rte_eventdev *dev;
1063 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1064 dev = &rte_eventdevs[dev_id];
1065 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1067 /* Device must be stopped before it can be closed */
1068 if (dev->data->dev_started == 1) {
1069 RTE_EDEV_LOG_ERR("Device %u must be stopped before closing",
1074 return (*dev->dev_ops->dev_close)(dev);
1078 rte_eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
1081 char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1082 const struct rte_memzone *mz;
1085 /* Generate memzone name */
1086 n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
1087 if (n >= (int)sizeof(mz_name))
1090 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1091 mz = rte_memzone_reserve(mz_name,
1092 sizeof(struct rte_eventdev_data),
1095 mz = rte_memzone_lookup(mz_name);
1101 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1102 memset(*data, 0, sizeof(struct rte_eventdev_data));
1107 static inline uint8_t
1108 rte_eventdev_find_free_device_index(void)
1112 for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1113 if (rte_eventdevs[dev_id].attached ==
1114 RTE_EVENTDEV_DETACHED)
1117 return RTE_EVENT_MAX_DEVS;
1120 struct rte_eventdev *
1121 rte_event_pmd_allocate(const char *name, int socket_id)
1123 struct rte_eventdev *eventdev;
1126 if (rte_event_pmd_get_named_dev(name) != NULL) {
1127 RTE_EDEV_LOG_ERR("Event device with name %s already "
1128 "allocated!", name);
1132 dev_id = rte_eventdev_find_free_device_index();
1133 if (dev_id == RTE_EVENT_MAX_DEVS) {
1134 RTE_EDEV_LOG_ERR("Reached maximum number of event devices");
1138 eventdev = &rte_eventdevs[dev_id];
1140 if (eventdev->data == NULL) {
1141 struct rte_eventdev_data *eventdev_data = NULL;
1143 int retval = rte_eventdev_data_alloc(dev_id, &eventdev_data,
1146 if (retval < 0 || eventdev_data == NULL)
1149 eventdev->data = eventdev_data;
1151 snprintf(eventdev->data->name, RTE_EVENTDEV_NAME_MAX_LEN,
1154 eventdev->data->dev_id = dev_id;
1155 eventdev->data->socket_id = socket_id;
1156 eventdev->data->dev_started = 0;
1158 eventdev->attached = RTE_EVENTDEV_ATTACHED;
1160 eventdev_globals.nb_devs++;
1167 rte_event_pmd_release(struct rte_eventdev *eventdev)
1170 char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1171 const struct rte_memzone *mz;
1173 if (eventdev == NULL)
1176 eventdev->attached = RTE_EVENTDEV_DETACHED;
1177 eventdev_globals.nb_devs--;
1179 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1180 rte_free(eventdev->data->dev_private);
1182 /* Generate memzone name */
1183 ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
1184 eventdev->data->dev_id);
1185 if (ret >= (int)sizeof(mz_name))
1188 mz = rte_memzone_lookup(mz_name);
1192 ret = rte_memzone_free(mz);
1197 eventdev->data = NULL;