xref: /dpdk/drivers/event/dpaa2/dpaa2_eventdev.c (revision 8d4a222e)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2017,2019 NXP
3  */
4 
5 #include <assert.h>
6 #include <stdio.h>
7 #include <stdbool.h>
8 #include <errno.h>
9 #include <stdint.h>
10 #include <string.h>
11 #include <sys/epoll.h>
12 
13 #include <rte_atomic.h>
14 #include <rte_byteorder.h>
15 #include <rte_common.h>
16 #include <rte_debug.h>
17 #include <rte_dev.h>
18 #include <rte_eal.h>
19 #include <rte_fslmc.h>
20 #include <rte_lcore.h>
21 #include <rte_log.h>
22 #include <rte_malloc.h>
23 #include <rte_memcpy.h>
24 #include <rte_memory.h>
25 #include <rte_pci.h>
26 #include <rte_bus_vdev.h>
27 #include <rte_ethdev_driver.h>
28 #include <rte_cryptodev.h>
29 #include <rte_event_eth_rx_adapter.h>
30 #include <rte_event_eth_tx_adapter.h>
31 
32 #include <fslmc_vfio.h>
33 #include <dpaa2_hw_pvt.h>
34 #include <dpaa2_hw_mempool.h>
35 #include <dpaa2_hw_dpio.h>
36 #include <dpaa2_ethdev.h>
37 #include <dpaa2_sec_event.h>
38 #include "dpaa2_eventdev.h"
39 #include "dpaa2_eventdev_logs.h"
40 #include <portal/dpaa2_hw_pvt.h>
41 #include <mc/fsl_dpci.h>
42 
43 /* Clarifications
44  * Evendev = SoC Instance
45  * Eventport = DPIO Instance
46  * Eventqueue = DPCON Instance
47  * 1 Eventdev can have N Eventqueue
48  * Soft Event Flow is DPCI Instance
49  */
50 
51 #define DPAA2_EV_TX_RETRY_COUNT 10000
52 
53 static uint16_t
54 dpaa2_eventdev_enqueue_burst(void *port, const struct rte_event ev[],
55 			     uint16_t nb_events)
56 {
57 
58 	struct dpaa2_port *dpaa2_portal = port;
59 	struct dpaa2_dpio_dev *dpio_dev;
60 	uint32_t queue_id = ev[0].queue_id;
61 	struct dpaa2_eventq *evq_info;
62 	uint32_t fqid, retry_count;
63 	struct qbman_swp *swp;
64 	struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
65 	uint32_t loop, frames_to_send;
66 	struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
67 	uint16_t num_tx = 0;
68 	int i, n, ret;
69 	uint8_t channel_index;
70 
71 	if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
72 		/* Affine current thread context to a qman portal */
73 		ret = dpaa2_affine_qbman_swp();
74 		if (ret < 0) {
75 			DPAA2_EVENTDEV_ERR(
76 				"Failed to allocate IO portal, tid: %d\n",
77 				rte_gettid());
78 			return 0;
79 		}
80 	}
81 	/* todo - dpaa2_portal shall have dpio_dev - no per thread variable */
82 	dpio_dev = DPAA2_PER_LCORE_DPIO;
83 	swp = DPAA2_PER_LCORE_PORTAL;
84 
85 	if (likely(dpaa2_portal->is_port_linked))
86 		goto skip_linking;
87 
88 	/* Create mapping between portal and channel to receive packets */
89 	for (i = 0; i < DPAA2_EVENT_MAX_QUEUES; i++) {
90 		evq_info = &dpaa2_portal->evq_info[i];
91 		if (!evq_info->event_port)
92 			continue;
93 
94 		ret = dpio_add_static_dequeue_channel(dpio_dev->dpio,
95 						      CMD_PRI_LOW,
96 						      dpio_dev->token,
97 						      evq_info->dpcon->dpcon_id,
98 						      &channel_index);
99 		if (ret < 0) {
100 			DPAA2_EVENTDEV_ERR(
101 				"Static dequeue config failed: err(%d)", ret);
102 			goto err;
103 		}
104 
105 		qbman_swp_push_set(swp, channel_index, 1);
106 		evq_info->dpcon->channel_index = channel_index;
107 	}
108 	dpaa2_portal->is_port_linked = true;
109 
110 skip_linking:
111 	evq_info = &dpaa2_portal->evq_info[queue_id];
112 
113 	while (nb_events) {
114 		frames_to_send = (nb_events > dpaa2_eqcr_size) ?
115 			dpaa2_eqcr_size : nb_events;
116 
117 		for (loop = 0; loop < frames_to_send; loop++) {
118 			const struct rte_event *event = &ev[num_tx + loop];
119 
120 			if (event->sched_type != RTE_SCHED_TYPE_ATOMIC)
121 				fqid = evq_info->dpci->rx_queue[
122 					DPAA2_EVENT_DPCI_PARALLEL_QUEUE].fqid;
123 			else
124 				fqid = evq_info->dpci->rx_queue[
125 					DPAA2_EVENT_DPCI_ATOMIC_QUEUE].fqid;
126 
127 			/* Prepare enqueue descriptor */
128 			qbman_eq_desc_clear(&eqdesc[loop]);
129 			qbman_eq_desc_set_fq(&eqdesc[loop], fqid);
130 			qbman_eq_desc_set_no_orp(&eqdesc[loop], 0);
131 			qbman_eq_desc_set_response(&eqdesc[loop], 0, 0);
132 
133 			if (event->sched_type == RTE_SCHED_TYPE_ATOMIC
134 				&& event->mbuf->seqn) {
135 				uint8_t dqrr_index = event->mbuf->seqn - 1;
136 
137 				qbman_eq_desc_set_dca(&eqdesc[loop], 1,
138 						      dqrr_index, 0);
139 				DPAA2_PER_LCORE_DQRR_SIZE--;
140 				DPAA2_PER_LCORE_DQRR_HELD &= ~(1 << dqrr_index);
141 			}
142 
143 			memset(&fd_arr[loop], 0, sizeof(struct qbman_fd));
144 
145 			/*
146 			 * todo - need to align with hw context data
147 			 * to avoid copy
148 			 */
149 			struct rte_event *ev_temp = rte_malloc(NULL,
150 						sizeof(struct rte_event), 0);
151 
152 			if (!ev_temp) {
153 				if (!loop)
154 					return num_tx;
155 				frames_to_send = loop;
156 				DPAA2_EVENTDEV_ERR(
157 					"Unable to allocate event object");
158 				goto send_partial;
159 			}
160 			rte_memcpy(ev_temp, event, sizeof(struct rte_event));
161 			DPAA2_SET_FD_ADDR((&fd_arr[loop]), (size_t)ev_temp);
162 			DPAA2_SET_FD_LEN((&fd_arr[loop]),
163 					 sizeof(struct rte_event));
164 		}
165 send_partial:
166 		loop = 0;
167 		retry_count = 0;
168 		while (loop < frames_to_send) {
169 			ret = qbman_swp_enqueue_multiple_desc(swp,
170 					&eqdesc[loop], &fd_arr[loop],
171 					frames_to_send - loop);
172 			if (unlikely(ret < 0)) {
173 				retry_count++;
174 				if (retry_count > DPAA2_EV_TX_RETRY_COUNT) {
175 					num_tx += loop;
176 					nb_events -= loop;
177 					return num_tx + loop;
178 				}
179 			} else {
180 				loop += ret;
181 				retry_count = 0;
182 			}
183 		}
184 		num_tx += loop;
185 		nb_events -= loop;
186 	}
187 
188 	return num_tx;
189 err:
190 	for (n = 0; n < i; n++) {
191 		evq_info = &dpaa2_portal->evq_info[n];
192 		if (!evq_info->event_port)
193 			continue;
194 		qbman_swp_push_set(swp, evq_info->dpcon->channel_index, 0);
195 		dpio_remove_static_dequeue_channel(dpio_dev->dpio, 0,
196 						dpio_dev->token,
197 						evq_info->dpcon->dpcon_id);
198 	}
199 	return 0;
200 
201 }
202 
203 static uint16_t
204 dpaa2_eventdev_enqueue(void *port, const struct rte_event *ev)
205 {
206 	return dpaa2_eventdev_enqueue_burst(port, ev, 1);
207 }
208 
209 static void dpaa2_eventdev_dequeue_wait(uint64_t timeout_ticks)
210 {
211 	struct epoll_event epoll_ev;
212 
213 	qbman_swp_interrupt_clear_status(DPAA2_PER_LCORE_PORTAL,
214 					 QBMAN_SWP_INTERRUPT_DQRI);
215 
216 	epoll_wait(DPAA2_PER_LCORE_DPIO->epoll_fd,
217 			 &epoll_ev, 1, timeout_ticks);
218 }
219 
220 static void dpaa2_eventdev_process_parallel(struct qbman_swp *swp,
221 					    const struct qbman_fd *fd,
222 					    const struct qbman_result *dq,
223 					    struct dpaa2_queue *rxq,
224 					    struct rte_event *ev)
225 {
226 	struct rte_event *ev_temp =
227 		(struct rte_event *)(size_t)DPAA2_GET_FD_ADDR(fd);
228 
229 	RTE_SET_USED(rxq);
230 
231 	rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
232 	rte_free(ev_temp);
233 
234 	qbman_swp_dqrr_consume(swp, dq);
235 }
236 
237 static void dpaa2_eventdev_process_atomic(struct qbman_swp *swp,
238 					  const struct qbman_fd *fd,
239 					  const struct qbman_result *dq,
240 					  struct dpaa2_queue *rxq,
241 					  struct rte_event *ev)
242 {
243 	struct rte_event *ev_temp =
244 		(struct rte_event *)(size_t)DPAA2_GET_FD_ADDR(fd);
245 	uint8_t dqrr_index = qbman_get_dqrr_idx(dq);
246 
247 	RTE_SET_USED(swp);
248 	RTE_SET_USED(rxq);
249 
250 	rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
251 	rte_free(ev_temp);
252 	ev->mbuf->seqn = dqrr_index + 1;
253 	DPAA2_PER_LCORE_DQRR_SIZE++;
254 	DPAA2_PER_LCORE_DQRR_HELD |= 1 << dqrr_index;
255 	DPAA2_PER_LCORE_DQRR_MBUF(dqrr_index) = ev->mbuf;
256 }
257 
258 static uint16_t
259 dpaa2_eventdev_dequeue_burst(void *port, struct rte_event ev[],
260 			     uint16_t nb_events, uint64_t timeout_ticks)
261 {
262 	const struct qbman_result *dq;
263 	struct dpaa2_dpio_dev *dpio_dev = NULL;
264 	struct dpaa2_port *dpaa2_portal = port;
265 	struct dpaa2_eventq *evq_info;
266 	struct qbman_swp *swp;
267 	const struct qbman_fd *fd;
268 	struct dpaa2_queue *rxq;
269 	int num_pkts = 0, ret, i = 0, n;
270 	uint8_t channel_index;
271 
272 	if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
273 		/* Affine current thread context to a qman portal */
274 		ret = dpaa2_affine_qbman_swp();
275 		if (ret < 0) {
276 			DPAA2_EVENTDEV_ERR(
277 				"Failed to allocate IO portal, tid: %d\n",
278 				rte_gettid());
279 			return 0;
280 		}
281 	}
282 
283 	dpio_dev = DPAA2_PER_LCORE_DPIO;
284 	swp = DPAA2_PER_LCORE_PORTAL;
285 
286 	if (likely(dpaa2_portal->is_port_linked))
287 		goto skip_linking;
288 
289 	/* Create mapping between portal and channel to receive packets */
290 	for (i = 0; i < DPAA2_EVENT_MAX_QUEUES; i++) {
291 		evq_info = &dpaa2_portal->evq_info[i];
292 		if (!evq_info->event_port)
293 			continue;
294 
295 		ret = dpio_add_static_dequeue_channel(dpio_dev->dpio,
296 						      CMD_PRI_LOW,
297 						      dpio_dev->token,
298 						      evq_info->dpcon->dpcon_id,
299 						      &channel_index);
300 		if (ret < 0) {
301 			DPAA2_EVENTDEV_ERR(
302 				"Static dequeue config failed: err(%d)", ret);
303 			goto err;
304 		}
305 
306 		qbman_swp_push_set(swp, channel_index, 1);
307 		evq_info->dpcon->channel_index = channel_index;
308 	}
309 	dpaa2_portal->is_port_linked = true;
310 
311 skip_linking:
312 	/* Check if there are atomic contexts to be released */
313 	while (DPAA2_PER_LCORE_DQRR_SIZE) {
314 		if (DPAA2_PER_LCORE_DQRR_HELD & (1 << i)) {
315 			qbman_swp_dqrr_idx_consume(swp, i);
316 			DPAA2_PER_LCORE_DQRR_SIZE--;
317 			DPAA2_PER_LCORE_DQRR_MBUF(i)->seqn =
318 				DPAA2_INVALID_MBUF_SEQN;
319 		}
320 		i++;
321 	}
322 	DPAA2_PER_LCORE_DQRR_HELD = 0;
323 
324 	do {
325 		dq = qbman_swp_dqrr_next(swp);
326 		if (!dq) {
327 			if (!num_pkts && timeout_ticks) {
328 				dpaa2_eventdev_dequeue_wait(timeout_ticks);
329 				timeout_ticks = 0;
330 				continue;
331 			}
332 			return num_pkts;
333 		}
334 		qbman_swp_prefetch_dqrr_next(swp);
335 
336 		fd = qbman_result_DQ_fd(dq);
337 		rxq = (struct dpaa2_queue *)(size_t)qbman_result_DQ_fqd_ctx(dq);
338 		if (rxq) {
339 			rxq->cb(swp, fd, dq, rxq, &ev[num_pkts]);
340 		} else {
341 			qbman_swp_dqrr_consume(swp, dq);
342 			DPAA2_EVENTDEV_ERR("Null Return VQ received");
343 			return 0;
344 		}
345 
346 		num_pkts++;
347 	} while (num_pkts < nb_events);
348 
349 	return num_pkts;
350 err:
351 	for (n = 0; n < i; n++) {
352 		evq_info = &dpaa2_portal->evq_info[n];
353 		if (!evq_info->event_port)
354 			continue;
355 
356 		qbman_swp_push_set(swp, evq_info->dpcon->channel_index, 0);
357 		dpio_remove_static_dequeue_channel(dpio_dev->dpio, 0,
358 							dpio_dev->token,
359 						evq_info->dpcon->dpcon_id);
360 	}
361 	return 0;
362 }
363 
364 static uint16_t
365 dpaa2_eventdev_dequeue(void *port, struct rte_event *ev,
366 		       uint64_t timeout_ticks)
367 {
368 	return dpaa2_eventdev_dequeue_burst(port, ev, 1, timeout_ticks);
369 }
370 
371 static void
372 dpaa2_eventdev_info_get(struct rte_eventdev *dev,
373 			struct rte_event_dev_info *dev_info)
374 {
375 	struct dpaa2_eventdev *priv = dev->data->dev_private;
376 
377 	EVENTDEV_INIT_FUNC_TRACE();
378 
379 	RTE_SET_USED(dev);
380 
381 	memset(dev_info, 0, sizeof(struct rte_event_dev_info));
382 	dev_info->min_dequeue_timeout_ns =
383 		DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
384 	dev_info->max_dequeue_timeout_ns =
385 		DPAA2_EVENT_MAX_DEQUEUE_TIMEOUT;
386 	dev_info->dequeue_timeout_ns =
387 		DPAA2_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
388 	dev_info->max_event_queues = priv->max_event_queues;
389 	dev_info->max_event_queue_flows =
390 		DPAA2_EVENT_MAX_QUEUE_FLOWS;
391 	dev_info->max_event_queue_priority_levels =
392 		DPAA2_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
393 	dev_info->max_event_priority_levels =
394 		DPAA2_EVENT_MAX_EVENT_PRIORITY_LEVELS;
395 	dev_info->max_event_ports = rte_fslmc_get_device_count(DPAA2_IO);
396 	/* we only support dpio up to number of cores */
397 	if (dev_info->max_event_ports > rte_lcore_count())
398 		dev_info->max_event_ports = rte_lcore_count();
399 	dev_info->max_event_port_dequeue_depth =
400 		DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
401 	dev_info->max_event_port_enqueue_depth =
402 		DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
403 	dev_info->max_num_events = DPAA2_EVENT_MAX_NUM_EVENTS;
404 	dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
405 		RTE_EVENT_DEV_CAP_BURST_MODE|
406 		RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
407 		RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
408 		RTE_EVENT_DEV_CAP_NONSEQ_MODE;
409 
410 }
411 
412 static int
413 dpaa2_eventdev_configure(const struct rte_eventdev *dev)
414 {
415 	struct dpaa2_eventdev *priv = dev->data->dev_private;
416 	struct rte_event_dev_config *conf = &dev->data->dev_conf;
417 
418 	EVENTDEV_INIT_FUNC_TRACE();
419 
420 	priv->nb_event_queues = conf->nb_event_queues;
421 	priv->nb_event_ports = conf->nb_event_ports;
422 	priv->nb_event_queue_flows = conf->nb_event_queue_flows;
423 	priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
424 	priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
425 	priv->event_dev_cfg = conf->event_dev_cfg;
426 
427 	/* Check dequeue timeout method is per dequeue or global */
428 	if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
429 		/*
430 		 * Use timeout value as given in dequeue operation.
431 		 * So invalidating this timeout value.
432 		 */
433 		priv->dequeue_timeout_ns = 0;
434 
435 	} else if (conf->dequeue_timeout_ns == 0) {
436 		priv->dequeue_timeout_ns = DPAA2_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
437 	} else {
438 		priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
439 	}
440 
441 	DPAA2_EVENTDEV_DEBUG("Configured eventdev devid=%d",
442 			     dev->data->dev_id);
443 	return 0;
444 }
445 
446 static int
447 dpaa2_eventdev_start(struct rte_eventdev *dev)
448 {
449 	EVENTDEV_INIT_FUNC_TRACE();
450 
451 	RTE_SET_USED(dev);
452 
453 	return 0;
454 }
455 
456 static void
457 dpaa2_eventdev_stop(struct rte_eventdev *dev)
458 {
459 	EVENTDEV_INIT_FUNC_TRACE();
460 
461 	RTE_SET_USED(dev);
462 }
463 
464 static int
465 dpaa2_eventdev_close(struct rte_eventdev *dev)
466 {
467 	EVENTDEV_INIT_FUNC_TRACE();
468 
469 	RTE_SET_USED(dev);
470 
471 	return 0;
472 }
473 
474 static void
475 dpaa2_eventdev_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
476 			      struct rte_event_queue_conf *queue_conf)
477 {
478 	EVENTDEV_INIT_FUNC_TRACE();
479 
480 	RTE_SET_USED(dev);
481 	RTE_SET_USED(queue_id);
482 
483 	queue_conf->nb_atomic_flows = DPAA2_EVENT_QUEUE_ATOMIC_FLOWS;
484 	queue_conf->nb_atomic_order_sequences =
485 				DPAA2_EVENT_QUEUE_ORDER_SEQUENCES;
486 	queue_conf->schedule_type = RTE_SCHED_TYPE_PARALLEL;
487 	queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
488 }
489 
490 static int
491 dpaa2_eventdev_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
492 			   const struct rte_event_queue_conf *queue_conf)
493 {
494 	struct dpaa2_eventdev *priv = dev->data->dev_private;
495 	struct dpaa2_eventq *evq_info = &priv->evq_info[queue_id];
496 
497 	EVENTDEV_INIT_FUNC_TRACE();
498 
499 	switch (queue_conf->schedule_type) {
500 	case RTE_SCHED_TYPE_PARALLEL:
501 	case RTE_SCHED_TYPE_ATOMIC:
502 	case RTE_SCHED_TYPE_ORDERED:
503 		break;
504 	default:
505 		DPAA2_EVENTDEV_ERR("Schedule type is not supported.");
506 		return -1;
507 	}
508 	evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
509 	evq_info->event_queue_id = queue_id;
510 
511 	return 0;
512 }
513 
514 static void
515 dpaa2_eventdev_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
516 {
517 	EVENTDEV_INIT_FUNC_TRACE();
518 
519 	RTE_SET_USED(dev);
520 	RTE_SET_USED(queue_id);
521 }
522 
523 static void
524 dpaa2_eventdev_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
525 			     struct rte_event_port_conf *port_conf)
526 {
527 	EVENTDEV_INIT_FUNC_TRACE();
528 
529 	RTE_SET_USED(dev);
530 	RTE_SET_USED(port_id);
531 
532 	port_conf->new_event_threshold =
533 		DPAA2_EVENT_MAX_NUM_EVENTS;
534 	port_conf->dequeue_depth =
535 		DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
536 	port_conf->enqueue_depth =
537 		DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
538 	port_conf->disable_implicit_release = 0;
539 }
540 
541 static int
542 dpaa2_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
543 			  const struct rte_event_port_conf *port_conf)
544 {
545 	char event_port_name[32];
546 	struct dpaa2_port *portal;
547 
548 	EVENTDEV_INIT_FUNC_TRACE();
549 
550 	RTE_SET_USED(port_conf);
551 
552 	sprintf(event_port_name, "event-port-%d", port_id);
553 	portal = rte_malloc(event_port_name, sizeof(struct dpaa2_port), 0);
554 	if (!portal) {
555 		DPAA2_EVENTDEV_ERR("Memory allocation failure");
556 		return -ENOMEM;
557 	}
558 
559 	memset(portal, 0, sizeof(struct dpaa2_port));
560 	dev->data->ports[port_id] = portal;
561 	return 0;
562 }
563 
564 static void
565 dpaa2_eventdev_port_release(void *port)
566 {
567 	struct dpaa2_port *portal = port;
568 
569 	EVENTDEV_INIT_FUNC_TRACE();
570 
571 	/* TODO: Cleanup is required when ports are in linked state. */
572 	if (portal->is_port_linked)
573 		DPAA2_EVENTDEV_WARN("Event port must be unlinked before release");
574 
575 	if (portal)
576 		rte_free(portal);
577 
578 	portal = NULL;
579 }
580 
581 static int
582 dpaa2_eventdev_port_link(struct rte_eventdev *dev, void *port,
583 			 const uint8_t queues[], const uint8_t priorities[],
584 			uint16_t nb_links)
585 {
586 	struct dpaa2_eventdev *priv = dev->data->dev_private;
587 	struct dpaa2_port *dpaa2_portal = port;
588 	struct dpaa2_eventq *evq_info;
589 	uint16_t i;
590 
591 	EVENTDEV_INIT_FUNC_TRACE();
592 
593 	RTE_SET_USED(priorities);
594 
595 	for (i = 0; i < nb_links; i++) {
596 		evq_info = &priv->evq_info[queues[i]];
597 		memcpy(&dpaa2_portal->evq_info[queues[i]], evq_info,
598 			   sizeof(struct dpaa2_eventq));
599 		dpaa2_portal->evq_info[queues[i]].event_port = port;
600 		dpaa2_portal->num_linked_evq++;
601 	}
602 
603 	return (int)nb_links;
604 }
605 
606 static int
607 dpaa2_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
608 			   uint8_t queues[], uint16_t nb_unlinks)
609 {
610 	struct dpaa2_port *dpaa2_portal = port;
611 	int i;
612 	struct dpaa2_dpio_dev *dpio_dev = NULL;
613 	struct dpaa2_eventq *evq_info;
614 	struct qbman_swp *swp;
615 
616 	EVENTDEV_INIT_FUNC_TRACE();
617 
618 	RTE_SET_USED(dev);
619 	RTE_SET_USED(queues);
620 
621 	for (i = 0; i < nb_unlinks; i++) {
622 		evq_info = &dpaa2_portal->evq_info[queues[i]];
623 
624 		if (DPAA2_PER_LCORE_DPIO && evq_info->dpcon) {
625 			/* todo dpaa2_portal shall have dpio_dev-no per lcore*/
626 			dpio_dev = DPAA2_PER_LCORE_DPIO;
627 			swp = DPAA2_PER_LCORE_PORTAL;
628 
629 			qbman_swp_push_set(swp,
630 					evq_info->dpcon->channel_index, 0);
631 			dpio_remove_static_dequeue_channel(dpio_dev->dpio, 0,
632 						dpio_dev->token,
633 						evq_info->dpcon->dpcon_id);
634 		}
635 		memset(evq_info, 0, sizeof(struct dpaa2_eventq));
636 		if (dpaa2_portal->num_linked_evq)
637 			dpaa2_portal->num_linked_evq--;
638 	}
639 
640 	if (!dpaa2_portal->num_linked_evq)
641 		dpaa2_portal->is_port_linked = false;
642 
643 	return (int)nb_unlinks;
644 }
645 
646 
647 static int
648 dpaa2_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
649 			     uint64_t *timeout_ticks)
650 {
651 	uint32_t scale = 1000*1000;
652 
653 	EVENTDEV_INIT_FUNC_TRACE();
654 
655 	RTE_SET_USED(dev);
656 	*timeout_ticks = ns / scale;
657 
658 	return 0;
659 }
660 
661 static void
662 dpaa2_eventdev_dump(struct rte_eventdev *dev, FILE *f)
663 {
664 	EVENTDEV_INIT_FUNC_TRACE();
665 
666 	RTE_SET_USED(dev);
667 	RTE_SET_USED(f);
668 }
669 
670 static int
671 dpaa2_eventdev_eth_caps_get(const struct rte_eventdev *dev,
672 			    const struct rte_eth_dev *eth_dev,
673 			    uint32_t *caps)
674 {
675 	const char *ethdev_driver = eth_dev->device->driver->name;
676 
677 	EVENTDEV_INIT_FUNC_TRACE();
678 
679 	RTE_SET_USED(dev);
680 
681 	if (!strcmp(ethdev_driver, "net_dpaa2"))
682 		*caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA2_CAP;
683 	else
684 		*caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
685 
686 	return 0;
687 }
688 
689 static int
690 dpaa2_eventdev_eth_queue_add_all(const struct rte_eventdev *dev,
691 		const struct rte_eth_dev *eth_dev,
692 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
693 {
694 	struct dpaa2_eventdev *priv = dev->data->dev_private;
695 	uint8_t ev_qid = queue_conf->ev.queue_id;
696 	struct dpaa2_dpcon_dev *dpcon = priv->evq_info[ev_qid].dpcon;
697 	int i, ret;
698 
699 	EVENTDEV_INIT_FUNC_TRACE();
700 
701 	for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
702 		ret = dpaa2_eth_eventq_attach(eth_dev, i,
703 					      dpcon, queue_conf);
704 		if (ret) {
705 			DPAA2_EVENTDEV_ERR(
706 				"Event queue attach failed: err(%d)", ret);
707 			goto fail;
708 		}
709 	}
710 	return 0;
711 fail:
712 	for (i = (i - 1); i >= 0 ; i--)
713 		dpaa2_eth_eventq_detach(eth_dev, i);
714 
715 	return ret;
716 }
717 
718 static int
719 dpaa2_eventdev_eth_queue_add(const struct rte_eventdev *dev,
720 		const struct rte_eth_dev *eth_dev,
721 		int32_t rx_queue_id,
722 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
723 {
724 	struct dpaa2_eventdev *priv = dev->data->dev_private;
725 	uint8_t ev_qid = queue_conf->ev.queue_id;
726 	struct dpaa2_dpcon_dev *dpcon = priv->evq_info[ev_qid].dpcon;
727 	int ret;
728 
729 	EVENTDEV_INIT_FUNC_TRACE();
730 
731 	if (rx_queue_id == -1)
732 		return dpaa2_eventdev_eth_queue_add_all(dev,
733 				eth_dev, queue_conf);
734 
735 	ret = dpaa2_eth_eventq_attach(eth_dev, rx_queue_id,
736 				      dpcon, queue_conf);
737 	if (ret) {
738 		DPAA2_EVENTDEV_ERR(
739 			"Event queue attach failed: err(%d)", ret);
740 		return ret;
741 	}
742 	return 0;
743 }
744 
745 static int
746 dpaa2_eventdev_eth_queue_del_all(const struct rte_eventdev *dev,
747 			     const struct rte_eth_dev *eth_dev)
748 {
749 	int i, ret;
750 
751 	EVENTDEV_INIT_FUNC_TRACE();
752 
753 	RTE_SET_USED(dev);
754 
755 	for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
756 		ret = dpaa2_eth_eventq_detach(eth_dev, i);
757 		if (ret) {
758 			DPAA2_EVENTDEV_ERR(
759 				"Event queue detach failed: err(%d)", ret);
760 			return ret;
761 		}
762 	}
763 
764 	return 0;
765 }
766 
767 static int
768 dpaa2_eventdev_eth_queue_del(const struct rte_eventdev *dev,
769 			     const struct rte_eth_dev *eth_dev,
770 			     int32_t rx_queue_id)
771 {
772 	int ret;
773 
774 	EVENTDEV_INIT_FUNC_TRACE();
775 
776 	if (rx_queue_id == -1)
777 		return dpaa2_eventdev_eth_queue_del_all(dev, eth_dev);
778 
779 	ret = dpaa2_eth_eventq_detach(eth_dev, rx_queue_id);
780 	if (ret) {
781 		DPAA2_EVENTDEV_ERR(
782 			"Event queue detach failed: err(%d)", ret);
783 		return ret;
784 	}
785 
786 	return 0;
787 }
788 
789 static int
790 dpaa2_eventdev_eth_start(const struct rte_eventdev *dev,
791 			 const struct rte_eth_dev *eth_dev)
792 {
793 	EVENTDEV_INIT_FUNC_TRACE();
794 
795 	RTE_SET_USED(dev);
796 	RTE_SET_USED(eth_dev);
797 
798 	return 0;
799 }
800 
801 static int
802 dpaa2_eventdev_eth_stop(const struct rte_eventdev *dev,
803 			const struct rte_eth_dev *eth_dev)
804 {
805 	EVENTDEV_INIT_FUNC_TRACE();
806 
807 	RTE_SET_USED(dev);
808 	RTE_SET_USED(eth_dev);
809 
810 	return 0;
811 }
812 
813 static int
814 dpaa2_eventdev_crypto_caps_get(const struct rte_eventdev *dev,
815 			    const struct rte_cryptodev *cdev,
816 			    uint32_t *caps)
817 {
818 	const char *name = cdev->data->name;
819 
820 	EVENTDEV_INIT_FUNC_TRACE();
821 
822 	RTE_SET_USED(dev);
823 
824 	if (!strncmp(name, "dpsec-", 6))
825 		*caps = RTE_EVENT_CRYPTO_ADAPTER_DPAA2_CAP;
826 	else
827 		return -1;
828 
829 	return 0;
830 }
831 
832 static int
833 dpaa2_eventdev_crypto_queue_add_all(const struct rte_eventdev *dev,
834 		const struct rte_cryptodev *cryptodev,
835 		const struct rte_event *ev)
836 {
837 	struct dpaa2_eventdev *priv = dev->data->dev_private;
838 	uint8_t ev_qid = ev->queue_id;
839 	struct dpaa2_dpcon_dev *dpcon = priv->evq_info[ev_qid].dpcon;
840 	int i, ret;
841 
842 	EVENTDEV_INIT_FUNC_TRACE();
843 
844 	for (i = 0; i < cryptodev->data->nb_queue_pairs; i++) {
845 		ret = dpaa2_sec_eventq_attach(cryptodev, i, dpcon, ev);
846 		if (ret) {
847 			DPAA2_EVENTDEV_ERR("dpaa2_sec_eventq_attach failed: ret %d\n",
848 				    ret);
849 			goto fail;
850 		}
851 	}
852 	return 0;
853 fail:
854 	for (i = (i - 1); i >= 0 ; i--)
855 		dpaa2_sec_eventq_detach(cryptodev, i);
856 
857 	return ret;
858 }
859 
860 static int
861 dpaa2_eventdev_crypto_queue_add(const struct rte_eventdev *dev,
862 		const struct rte_cryptodev *cryptodev,
863 		int32_t rx_queue_id,
864 		const struct rte_event *ev)
865 {
866 	struct dpaa2_eventdev *priv = dev->data->dev_private;
867 	uint8_t ev_qid = ev->queue_id;
868 	struct dpaa2_dpcon_dev *dpcon = priv->evq_info[ev_qid].dpcon;
869 	int ret;
870 
871 	EVENTDEV_INIT_FUNC_TRACE();
872 
873 	if (rx_queue_id == -1)
874 		return dpaa2_eventdev_crypto_queue_add_all(dev,
875 				cryptodev, ev);
876 
877 	ret = dpaa2_sec_eventq_attach(cryptodev, rx_queue_id,
878 				      dpcon, ev);
879 	if (ret) {
880 		DPAA2_EVENTDEV_ERR(
881 			"dpaa2_sec_eventq_attach failed: ret: %d\n", ret);
882 		return ret;
883 	}
884 	return 0;
885 }
886 
887 static int
888 dpaa2_eventdev_crypto_queue_del_all(const struct rte_eventdev *dev,
889 			     const struct rte_cryptodev *cdev)
890 {
891 	int i, ret;
892 
893 	EVENTDEV_INIT_FUNC_TRACE();
894 
895 	RTE_SET_USED(dev);
896 
897 	for (i = 0; i < cdev->data->nb_queue_pairs; i++) {
898 		ret = dpaa2_sec_eventq_detach(cdev, i);
899 		if (ret) {
900 			DPAA2_EVENTDEV_ERR(
901 				"dpaa2_sec_eventq_detach failed:ret %d\n", ret);
902 			return ret;
903 		}
904 	}
905 
906 	return 0;
907 }
908 
909 static int
910 dpaa2_eventdev_crypto_queue_del(const struct rte_eventdev *dev,
911 			     const struct rte_cryptodev *cryptodev,
912 			     int32_t rx_queue_id)
913 {
914 	int ret;
915 
916 	EVENTDEV_INIT_FUNC_TRACE();
917 
918 	if (rx_queue_id == -1)
919 		return dpaa2_eventdev_crypto_queue_del_all(dev, cryptodev);
920 
921 	ret = dpaa2_sec_eventq_detach(cryptodev, rx_queue_id);
922 	if (ret) {
923 		DPAA2_EVENTDEV_ERR(
924 			"dpaa2_sec_eventq_detach failed: ret: %d\n", ret);
925 		return ret;
926 	}
927 
928 	return 0;
929 }
930 
931 static int
932 dpaa2_eventdev_crypto_start(const struct rte_eventdev *dev,
933 			    const struct rte_cryptodev *cryptodev)
934 {
935 	EVENTDEV_INIT_FUNC_TRACE();
936 
937 	RTE_SET_USED(dev);
938 	RTE_SET_USED(cryptodev);
939 
940 	return 0;
941 }
942 
943 static int
944 dpaa2_eventdev_crypto_stop(const struct rte_eventdev *dev,
945 			   const struct rte_cryptodev *cryptodev)
946 {
947 	EVENTDEV_INIT_FUNC_TRACE();
948 
949 	RTE_SET_USED(dev);
950 	RTE_SET_USED(cryptodev);
951 
952 	return 0;
953 }
954 
955 static int
956 dpaa2_eventdev_tx_adapter_create(uint8_t id,
957 				 const struct rte_eventdev *dev)
958 {
959 	RTE_SET_USED(id);
960 	RTE_SET_USED(dev);
961 
962 	/* Nothing to do. Simply return. */
963 	return 0;
964 }
965 
966 static int
967 dpaa2_eventdev_tx_adapter_caps(const struct rte_eventdev *dev,
968 			       const struct rte_eth_dev *eth_dev,
969 			       uint32_t *caps)
970 {
971 	RTE_SET_USED(dev);
972 	RTE_SET_USED(eth_dev);
973 
974 	*caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
975 	return 0;
976 }
977 
978 static uint16_t
979 dpaa2_eventdev_txa_enqueue_same_dest(void *port,
980 				     struct rte_event ev[],
981 				     uint16_t nb_events)
982 {
983 	struct rte_mbuf *m[DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH], *m0;
984 	uint8_t qid, i;
985 
986 	RTE_SET_USED(port);
987 
988 	m0 = (struct rte_mbuf *)ev[0].mbuf;
989 	qid = rte_event_eth_tx_adapter_txq_get(m0);
990 
991 	for (i = 0; i < nb_events; i++)
992 		m[i] = (struct rte_mbuf *)ev[i].mbuf;
993 
994 	return rte_eth_tx_burst(m0->port, qid, m, nb_events);
995 }
996 
997 static uint16_t
998 dpaa2_eventdev_txa_enqueue(void *port,
999 			   struct rte_event ev[],
1000 			   uint16_t nb_events)
1001 {
1002 	struct rte_mbuf *m = (struct rte_mbuf *)ev[0].mbuf;
1003 	uint8_t qid, i;
1004 
1005 	RTE_SET_USED(port);
1006 
1007 	for (i = 0; i < nb_events; i++) {
1008 		qid = rte_event_eth_tx_adapter_txq_get(m);
1009 		rte_eth_tx_burst(m->port, qid, &m, 1);
1010 	}
1011 
1012 	return nb_events;
1013 }
1014 
1015 static struct rte_eventdev_ops dpaa2_eventdev_ops = {
1016 	.dev_infos_get    = dpaa2_eventdev_info_get,
1017 	.dev_configure    = dpaa2_eventdev_configure,
1018 	.dev_start        = dpaa2_eventdev_start,
1019 	.dev_stop         = dpaa2_eventdev_stop,
1020 	.dev_close        = dpaa2_eventdev_close,
1021 	.queue_def_conf   = dpaa2_eventdev_queue_def_conf,
1022 	.queue_setup      = dpaa2_eventdev_queue_setup,
1023 	.queue_release    = dpaa2_eventdev_queue_release,
1024 	.port_def_conf    = dpaa2_eventdev_port_def_conf,
1025 	.port_setup       = dpaa2_eventdev_port_setup,
1026 	.port_release     = dpaa2_eventdev_port_release,
1027 	.port_link        = dpaa2_eventdev_port_link,
1028 	.port_unlink      = dpaa2_eventdev_port_unlink,
1029 	.timeout_ticks    = dpaa2_eventdev_timeout_ticks,
1030 	.dump             = dpaa2_eventdev_dump,
1031 	.dev_selftest     = test_eventdev_dpaa2,
1032 	.eth_rx_adapter_caps_get	= dpaa2_eventdev_eth_caps_get,
1033 	.eth_rx_adapter_queue_add	= dpaa2_eventdev_eth_queue_add,
1034 	.eth_rx_adapter_queue_del	= dpaa2_eventdev_eth_queue_del,
1035 	.eth_rx_adapter_start		= dpaa2_eventdev_eth_start,
1036 	.eth_rx_adapter_stop		= dpaa2_eventdev_eth_stop,
1037 	.eth_tx_adapter_caps_get	= dpaa2_eventdev_tx_adapter_caps,
1038 	.eth_tx_adapter_create		= dpaa2_eventdev_tx_adapter_create,
1039 	.crypto_adapter_caps_get	= dpaa2_eventdev_crypto_caps_get,
1040 	.crypto_adapter_queue_pair_add	= dpaa2_eventdev_crypto_queue_add,
1041 	.crypto_adapter_queue_pair_del	= dpaa2_eventdev_crypto_queue_del,
1042 	.crypto_adapter_start		= dpaa2_eventdev_crypto_start,
1043 	.crypto_adapter_stop		= dpaa2_eventdev_crypto_stop,
1044 };
1045 
1046 static int
1047 dpaa2_eventdev_setup_dpci(struct dpaa2_dpci_dev *dpci_dev,
1048 			  struct dpaa2_dpcon_dev *dpcon_dev)
1049 {
1050 	struct dpci_rx_queue_cfg rx_queue_cfg;
1051 	int ret, i;
1052 
1053 	/*Do settings to get the frame on a DPCON object*/
1054 	rx_queue_cfg.options = DPCI_QUEUE_OPT_DEST |
1055 		  DPCI_QUEUE_OPT_USER_CTX;
1056 	rx_queue_cfg.dest_cfg.dest_type = DPCI_DEST_DPCON;
1057 	rx_queue_cfg.dest_cfg.dest_id = dpcon_dev->dpcon_id;
1058 	rx_queue_cfg.dest_cfg.priority = DPAA2_EVENT_DEFAULT_DPCI_PRIO;
1059 
1060 	dpci_dev->rx_queue[DPAA2_EVENT_DPCI_PARALLEL_QUEUE].cb =
1061 		dpaa2_eventdev_process_parallel;
1062 	dpci_dev->rx_queue[DPAA2_EVENT_DPCI_ATOMIC_QUEUE].cb =
1063 		dpaa2_eventdev_process_atomic;
1064 
1065 	for (i = 0 ; i < DPAA2_EVENT_DPCI_MAX_QUEUES; i++) {
1066 		rx_queue_cfg.user_ctx = (size_t)(&dpci_dev->rx_queue[i]);
1067 		ret = dpci_set_rx_queue(&dpci_dev->dpci,
1068 					CMD_PRI_LOW,
1069 					dpci_dev->token, i,
1070 					&rx_queue_cfg);
1071 		if (ret) {
1072 			DPAA2_EVENTDEV_ERR(
1073 				"DPCI Rx queue setup failed: err(%d)",
1074 				ret);
1075 			return ret;
1076 		}
1077 	}
1078 	return 0;
1079 }
1080 
1081 static int
1082 dpaa2_eventdev_create(const char *name)
1083 {
1084 	struct rte_eventdev *eventdev;
1085 	struct dpaa2_eventdev *priv;
1086 	struct dpaa2_dpcon_dev *dpcon_dev = NULL;
1087 	struct dpaa2_dpci_dev *dpci_dev = NULL;
1088 	int ret;
1089 
1090 	eventdev = rte_event_pmd_vdev_init(name,
1091 					   sizeof(struct dpaa2_eventdev),
1092 					   rte_socket_id());
1093 	if (eventdev == NULL) {
1094 		DPAA2_EVENTDEV_ERR("Failed to create Event device %s", name);
1095 		goto fail;
1096 	}
1097 
1098 	eventdev->dev_ops       = &dpaa2_eventdev_ops;
1099 	eventdev->enqueue       = dpaa2_eventdev_enqueue;
1100 	eventdev->enqueue_burst = dpaa2_eventdev_enqueue_burst;
1101 	eventdev->enqueue_new_burst = dpaa2_eventdev_enqueue_burst;
1102 	eventdev->enqueue_forward_burst = dpaa2_eventdev_enqueue_burst;
1103 	eventdev->dequeue       = dpaa2_eventdev_dequeue;
1104 	eventdev->dequeue_burst = dpaa2_eventdev_dequeue_burst;
1105 	eventdev->txa_enqueue	= dpaa2_eventdev_txa_enqueue;
1106 	eventdev->txa_enqueue_same_dest	= dpaa2_eventdev_txa_enqueue_same_dest;
1107 
1108 	/* For secondary processes, the primary has done all the work */
1109 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1110 		return 0;
1111 
1112 	priv = eventdev->data->dev_private;
1113 	priv->max_event_queues = 0;
1114 
1115 	do {
1116 		dpcon_dev = rte_dpaa2_alloc_dpcon_dev();
1117 		if (!dpcon_dev)
1118 			break;
1119 		priv->evq_info[priv->max_event_queues].dpcon = dpcon_dev;
1120 
1121 		dpci_dev = rte_dpaa2_alloc_dpci_dev();
1122 		if (!dpci_dev) {
1123 			rte_dpaa2_free_dpcon_dev(dpcon_dev);
1124 			break;
1125 		}
1126 		priv->evq_info[priv->max_event_queues].dpci = dpci_dev;
1127 
1128 		ret = dpaa2_eventdev_setup_dpci(dpci_dev, dpcon_dev);
1129 		if (ret) {
1130 			DPAA2_EVENTDEV_ERR(
1131 				    "DPCI setup failed: err(%d)", ret);
1132 			return ret;
1133 		}
1134 		priv->max_event_queues++;
1135 	} while (dpcon_dev && dpci_dev);
1136 
1137 	RTE_LOG(INFO, PMD, "%s eventdev created\n", name);
1138 
1139 	return 0;
1140 fail:
1141 	return -EFAULT;
1142 }
1143 
1144 static int
1145 dpaa2_eventdev_destroy(const char *name)
1146 {
1147 	struct rte_eventdev *eventdev;
1148 	struct dpaa2_eventdev *priv;
1149 	int i;
1150 
1151 	eventdev = rte_event_pmd_get_named_dev(name);
1152 	if (eventdev == NULL) {
1153 		RTE_EDEV_LOG_ERR("eventdev with name %s not allocated", name);
1154 		return -1;
1155 	}
1156 
1157 	/* For secondary processes, the primary has done all the work */
1158 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1159 		return 0;
1160 
1161 	priv = eventdev->data->dev_private;
1162 	for (i = 0; i < priv->max_event_queues; i++) {
1163 		if (priv->evq_info[i].dpcon)
1164 			rte_dpaa2_free_dpcon_dev(priv->evq_info[i].dpcon);
1165 
1166 		if (priv->evq_info[i].dpci)
1167 			rte_dpaa2_free_dpci_dev(priv->evq_info[i].dpci);
1168 
1169 	}
1170 	priv->max_event_queues = 0;
1171 
1172 	RTE_LOG(INFO, PMD, "%s eventdev cleaned\n", name);
1173 	return 0;
1174 }
1175 
1176 
1177 static int
1178 dpaa2_eventdev_probe(struct rte_vdev_device *vdev)
1179 {
1180 	const char *name;
1181 
1182 	name = rte_vdev_device_name(vdev);
1183 	DPAA2_EVENTDEV_INFO("Initializing %s", name);
1184 	return dpaa2_eventdev_create(name);
1185 }
1186 
1187 static int
1188 dpaa2_eventdev_remove(struct rte_vdev_device *vdev)
1189 {
1190 	const char *name;
1191 
1192 	name = rte_vdev_device_name(vdev);
1193 	DPAA2_EVENTDEV_INFO("Closing %s", name);
1194 
1195 	dpaa2_eventdev_destroy(name);
1196 
1197 	return rte_event_pmd_vdev_uninit(name);
1198 }
1199 
1200 static struct rte_vdev_driver vdev_eventdev_dpaa2_pmd = {
1201 	.probe = dpaa2_eventdev_probe,
1202 	.remove = dpaa2_eventdev_remove
1203 };
1204 
1205 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA2_PMD, vdev_eventdev_dpaa2_pmd);
1206 RTE_LOG_REGISTER(dpaa2_logtype_event, pmd.event.dpaa2, NOTICE);
1207