xref: /dpdk/drivers/event/dpaa2/dpaa2_eventdev.c (revision 2c7845a7)
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 
31 #include <fslmc_vfio.h>
32 #include <dpaa2_hw_pvt.h>
33 #include <dpaa2_hw_mempool.h>
34 #include <dpaa2_hw_dpio.h>
35 #include <dpaa2_ethdev.h>
36 #include <dpaa2_sec_event.h>
37 #include "dpaa2_eventdev.h"
38 #include "dpaa2_eventdev_logs.h"
39 #include <portal/dpaa2_hw_pvt.h>
40 #include <mc/fsl_dpci.h>
41 
42 /* Clarifications
43  * Evendev = SoC Instance
44  * Eventport = DPIO Instance
45  * Eventqueue = DPCON Instance
46  * 1 Eventdev can have N Eventqueue
47  * Soft Event Flow is DPCI Instance
48  */
49 
50 /* Dynamic logging identified for mempool */
51 int dpaa2_logtype_event;
52 #define DPAA2_EV_TX_RETRY_COUNT 10000
53 
54 static uint16_t
55 dpaa2_eventdev_enqueue_burst(void *port, const struct rte_event ev[],
56 			     uint16_t nb_events)
57 {
58 
59 	struct dpaa2_port *dpaa2_portal = port;
60 	struct dpaa2_dpio_dev *dpio_dev;
61 	uint32_t queue_id = ev[0].queue_id;
62 	struct dpaa2_eventq *evq_info;
63 	uint32_t fqid, retry_count;
64 	struct qbman_swp *swp;
65 	struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
66 	uint32_t loop, frames_to_send;
67 	struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
68 	uint16_t num_tx = 0;
69 	int i, n, ret;
70 	uint8_t channel_index;
71 
72 	if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
73 		/* Affine current thread context to a qman portal */
74 		ret = dpaa2_affine_qbman_swp();
75 		if (ret < 0) {
76 			DPAA2_EVENTDEV_ERR("Failure in affining portal");
77 			return 0;
78 		}
79 	}
80 	/* todo - dpaa2_portal shall have dpio_dev - no per thread variable */
81 	dpio_dev = DPAA2_PER_LCORE_DPIO;
82 	swp = DPAA2_PER_LCORE_PORTAL;
83 
84 	if (likely(dpaa2_portal->is_port_linked))
85 		goto skip_linking;
86 
87 	/* Create mapping between portal and channel to receive packets */
88 	for (i = 0; i < DPAA2_EVENT_MAX_QUEUES; i++) {
89 		evq_info = &dpaa2_portal->evq_info[i];
90 		if (!evq_info->event_port)
91 			continue;
92 
93 		ret = dpio_add_static_dequeue_channel(dpio_dev->dpio,
94 						      CMD_PRI_LOW,
95 						      dpio_dev->token,
96 						      evq_info->dpcon->dpcon_id,
97 						      &channel_index);
98 		if (ret < 0) {
99 			DPAA2_EVENTDEV_ERR(
100 				"Static dequeue config failed: err(%d)", ret);
101 			goto err;
102 		}
103 
104 		qbman_swp_push_set(swp, channel_index, 1);
105 		evq_info->dpcon->channel_index = channel_index;
106 	}
107 	dpaa2_portal->is_port_linked = true;
108 
109 skip_linking:
110 	evq_info = &dpaa2_portal->evq_info[queue_id];
111 
112 	while (nb_events) {
113 		frames_to_send = (nb_events > dpaa2_eqcr_size) ?
114 			dpaa2_eqcr_size : nb_events;
115 
116 		for (loop = 0; loop < frames_to_send; loop++) {
117 			const struct rte_event *event = &ev[num_tx + loop];
118 
119 			if (event->sched_type != RTE_SCHED_TYPE_ATOMIC)
120 				fqid = evq_info->dpci->rx_queue[
121 					DPAA2_EVENT_DPCI_PARALLEL_QUEUE].fqid;
122 			else
123 				fqid = evq_info->dpci->rx_queue[
124 					DPAA2_EVENT_DPCI_ATOMIC_QUEUE].fqid;
125 
126 			/* Prepare enqueue descriptor */
127 			qbman_eq_desc_clear(&eqdesc[loop]);
128 			qbman_eq_desc_set_fq(&eqdesc[loop], fqid);
129 			qbman_eq_desc_set_no_orp(&eqdesc[loop], 0);
130 			qbman_eq_desc_set_response(&eqdesc[loop], 0, 0);
131 
132 			if (event->sched_type == RTE_SCHED_TYPE_ATOMIC
133 				&& event->mbuf->seqn) {
134 				uint8_t dqrr_index = event->mbuf->seqn - 1;
135 
136 				qbman_eq_desc_set_dca(&eqdesc[loop], 1,
137 						      dqrr_index, 0);
138 				DPAA2_PER_LCORE_DQRR_SIZE--;
139 				DPAA2_PER_LCORE_DQRR_HELD &= ~(1 << dqrr_index);
140 			}
141 
142 			memset(&fd_arr[loop], 0, sizeof(struct qbman_fd));
143 
144 			/*
145 			 * todo - need to align with hw context data
146 			 * to avoid copy
147 			 */
148 			struct rte_event *ev_temp = rte_malloc(NULL,
149 						sizeof(struct rte_event), 0);
150 
151 			if (!ev_temp) {
152 				if (!loop)
153 					return num_tx;
154 				frames_to_send = loop;
155 				DPAA2_EVENTDEV_ERR(
156 					"Unable to allocate event object");
157 				goto send_partial;
158 			}
159 			rte_memcpy(ev_temp, event, sizeof(struct rte_event));
160 			DPAA2_SET_FD_ADDR((&fd_arr[loop]), (size_t)ev_temp);
161 			DPAA2_SET_FD_LEN((&fd_arr[loop]),
162 					 sizeof(struct rte_event));
163 		}
164 send_partial:
165 		loop = 0;
166 		retry_count = 0;
167 		while (loop < frames_to_send) {
168 			ret = qbman_swp_enqueue_multiple_desc(swp,
169 					&eqdesc[loop], &fd_arr[loop],
170 					frames_to_send - loop);
171 			if (unlikely(ret < 0)) {
172 				retry_count++;
173 				if (retry_count > DPAA2_EV_TX_RETRY_COUNT) {
174 					num_tx += loop;
175 					nb_events -= loop;
176 					return num_tx + loop;
177 				}
178 			} else {
179 				loop += ret;
180 				retry_count = 0;
181 			}
182 		}
183 		num_tx += loop;
184 		nb_events -= loop;
185 	}
186 
187 	return num_tx;
188 err:
189 	for (n = 0; n < i; n++) {
190 		evq_info = &dpaa2_portal->evq_info[n];
191 		if (!evq_info->event_port)
192 			continue;
193 		qbman_swp_push_set(swp, evq_info->dpcon->channel_index, 0);
194 		dpio_remove_static_dequeue_channel(dpio_dev->dpio, 0,
195 						dpio_dev->token,
196 						evq_info->dpcon->dpcon_id);
197 	}
198 	return 0;
199 
200 }
201 
202 static uint16_t
203 dpaa2_eventdev_enqueue(void *port, const struct rte_event *ev)
204 {
205 	return dpaa2_eventdev_enqueue_burst(port, ev, 1);
206 }
207 
208 static void dpaa2_eventdev_dequeue_wait(uint64_t timeout_ticks)
209 {
210 	struct epoll_event epoll_ev;
211 
212 	qbman_swp_interrupt_clear_status(DPAA2_PER_LCORE_PORTAL,
213 					 QBMAN_SWP_INTERRUPT_DQRI);
214 
215 	epoll_wait(DPAA2_PER_LCORE_DPIO->epoll_fd,
216 			 &epoll_ev, 1, timeout_ticks);
217 }
218 
219 static void dpaa2_eventdev_process_parallel(struct qbman_swp *swp,
220 					    const struct qbman_fd *fd,
221 					    const struct qbman_result *dq,
222 					    struct dpaa2_queue *rxq,
223 					    struct rte_event *ev)
224 {
225 	struct rte_event *ev_temp =
226 		(struct rte_event *)(size_t)DPAA2_GET_FD_ADDR(fd);
227 
228 	RTE_SET_USED(rxq);
229 
230 	rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
231 	rte_free(ev_temp);
232 
233 	qbman_swp_dqrr_consume(swp, dq);
234 }
235 
236 static void dpaa2_eventdev_process_atomic(struct qbman_swp *swp,
237 					  const struct qbman_fd *fd,
238 					  const struct qbman_result *dq,
239 					  struct dpaa2_queue *rxq,
240 					  struct rte_event *ev)
241 {
242 	struct rte_event *ev_temp =
243 		(struct rte_event *)(size_t)DPAA2_GET_FD_ADDR(fd);
244 	uint8_t dqrr_index = qbman_get_dqrr_idx(dq);
245 
246 	RTE_SET_USED(swp);
247 	RTE_SET_USED(rxq);
248 
249 	rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
250 	rte_free(ev_temp);
251 	ev->mbuf->seqn = dqrr_index + 1;
252 	DPAA2_PER_LCORE_DQRR_SIZE++;
253 	DPAA2_PER_LCORE_DQRR_HELD |= 1 << dqrr_index;
254 	DPAA2_PER_LCORE_DQRR_MBUF(dqrr_index) = ev->mbuf;
255 }
256 
257 static uint16_t
258 dpaa2_eventdev_dequeue_burst(void *port, struct rte_event ev[],
259 			     uint16_t nb_events, uint64_t timeout_ticks)
260 {
261 	const struct qbman_result *dq;
262 	struct dpaa2_dpio_dev *dpio_dev = NULL;
263 	struct dpaa2_port *dpaa2_portal = port;
264 	struct dpaa2_eventq *evq_info;
265 	struct qbman_swp *swp;
266 	const struct qbman_fd *fd;
267 	struct dpaa2_queue *rxq;
268 	int num_pkts = 0, ret, i = 0, n;
269 	uint8_t channel_index;
270 
271 	if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
272 		/* Affine current thread context to a qman portal */
273 		ret = dpaa2_affine_qbman_swp();
274 		if (ret < 0) {
275 			DPAA2_EVENTDEV_ERR("Failure in affining portal");
276 			return 0;
277 		}
278 	}
279 
280 	dpio_dev = DPAA2_PER_LCORE_DPIO;
281 	swp = DPAA2_PER_LCORE_PORTAL;
282 
283 	if (likely(dpaa2_portal->is_port_linked))
284 		goto skip_linking;
285 
286 	/* Create mapping between portal and channel to receive packets */
287 	for (i = 0; i < DPAA2_EVENT_MAX_QUEUES; i++) {
288 		evq_info = &dpaa2_portal->evq_info[i];
289 		if (!evq_info->event_port)
290 			continue;
291 
292 		ret = dpio_add_static_dequeue_channel(dpio_dev->dpio,
293 						      CMD_PRI_LOW,
294 						      dpio_dev->token,
295 						      evq_info->dpcon->dpcon_id,
296 						      &channel_index);
297 		if (ret < 0) {
298 			DPAA2_EVENTDEV_ERR(
299 				"Static dequeue config failed: err(%d)", ret);
300 			goto err;
301 		}
302 
303 		qbman_swp_push_set(swp, channel_index, 1);
304 		evq_info->dpcon->channel_index = channel_index;
305 	}
306 	dpaa2_portal->is_port_linked = true;
307 
308 skip_linking:
309 	/* Check if there are atomic contexts to be released */
310 	while (DPAA2_PER_LCORE_DQRR_SIZE) {
311 		if (DPAA2_PER_LCORE_DQRR_HELD & (1 << i)) {
312 			qbman_swp_dqrr_idx_consume(swp, i);
313 			DPAA2_PER_LCORE_DQRR_SIZE--;
314 			DPAA2_PER_LCORE_DQRR_MBUF(i)->seqn =
315 				DPAA2_INVALID_MBUF_SEQN;
316 		}
317 		i++;
318 	}
319 	DPAA2_PER_LCORE_DQRR_HELD = 0;
320 
321 	do {
322 		dq = qbman_swp_dqrr_next(swp);
323 		if (!dq) {
324 			if (!num_pkts && timeout_ticks) {
325 				dpaa2_eventdev_dequeue_wait(timeout_ticks);
326 				timeout_ticks = 0;
327 				continue;
328 			}
329 			return num_pkts;
330 		}
331 		qbman_swp_prefetch_dqrr_next(swp);
332 
333 		fd = qbman_result_DQ_fd(dq);
334 		rxq = (struct dpaa2_queue *)(size_t)qbman_result_DQ_fqd_ctx(dq);
335 		if (rxq) {
336 			rxq->cb(swp, fd, dq, rxq, &ev[num_pkts]);
337 		} else {
338 			qbman_swp_dqrr_consume(swp, dq);
339 			DPAA2_EVENTDEV_ERR("Null Return VQ received");
340 			return 0;
341 		}
342 
343 		num_pkts++;
344 	} while (num_pkts < nb_events);
345 
346 	return num_pkts;
347 err:
348 	for (n = 0; n < i; n++) {
349 		evq_info = &dpaa2_portal->evq_info[n];
350 		if (!evq_info->event_port)
351 			continue;
352 
353 		qbman_swp_push_set(swp, evq_info->dpcon->channel_index, 0);
354 		dpio_remove_static_dequeue_channel(dpio_dev->dpio, 0,
355 							dpio_dev->token,
356 						evq_info->dpcon->dpcon_id);
357 	}
358 	return 0;
359 }
360 
361 static uint16_t
362 dpaa2_eventdev_dequeue(void *port, struct rte_event *ev,
363 		       uint64_t timeout_ticks)
364 {
365 	return dpaa2_eventdev_dequeue_burst(port, ev, 1, timeout_ticks);
366 }
367 
368 static void
369 dpaa2_eventdev_info_get(struct rte_eventdev *dev,
370 			struct rte_event_dev_info *dev_info)
371 {
372 	struct dpaa2_eventdev *priv = dev->data->dev_private;
373 
374 	EVENTDEV_INIT_FUNC_TRACE();
375 
376 	RTE_SET_USED(dev);
377 
378 	memset(dev_info, 0, sizeof(struct rte_event_dev_info));
379 	dev_info->min_dequeue_timeout_ns =
380 		DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
381 	dev_info->max_dequeue_timeout_ns =
382 		DPAA2_EVENT_MAX_DEQUEUE_TIMEOUT;
383 	dev_info->dequeue_timeout_ns =
384 		DPAA2_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
385 	dev_info->max_event_queues = priv->max_event_queues;
386 	dev_info->max_event_queue_flows =
387 		DPAA2_EVENT_MAX_QUEUE_FLOWS;
388 	dev_info->max_event_queue_priority_levels =
389 		DPAA2_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
390 	dev_info->max_event_priority_levels =
391 		DPAA2_EVENT_MAX_EVENT_PRIORITY_LEVELS;
392 	dev_info->max_event_ports = rte_fslmc_get_device_count(DPAA2_IO);
393 	/* we only support dpio upto number of cores*/
394 	if (dev_info->max_event_ports > rte_lcore_count())
395 		dev_info->max_event_ports = rte_lcore_count();
396 	dev_info->max_event_port_dequeue_depth =
397 		DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
398 	dev_info->max_event_port_enqueue_depth =
399 		DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
400 	dev_info->max_num_events = DPAA2_EVENT_MAX_NUM_EVENTS;
401 	dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
402 		RTE_EVENT_DEV_CAP_BURST_MODE|
403 		RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
404 		RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
405 		RTE_EVENT_DEV_CAP_NONSEQ_MODE;
406 
407 }
408 
409 static int
410 dpaa2_eventdev_configure(const struct rte_eventdev *dev)
411 {
412 	struct dpaa2_eventdev *priv = dev->data->dev_private;
413 	struct rte_event_dev_config *conf = &dev->data->dev_conf;
414 
415 	EVENTDEV_INIT_FUNC_TRACE();
416 
417 	priv->nb_event_queues = conf->nb_event_queues;
418 	priv->nb_event_ports = conf->nb_event_ports;
419 	priv->nb_event_queue_flows = conf->nb_event_queue_flows;
420 	priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
421 	priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
422 	priv->event_dev_cfg = conf->event_dev_cfg;
423 
424 	/* Check dequeue timeout method is per dequeue or global */
425 	if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
426 		/*
427 		 * Use timeout value as given in dequeue operation.
428 		 * So invalidating this timeout value.
429 		 */
430 		priv->dequeue_timeout_ns = 0;
431 
432 	} else if (conf->dequeue_timeout_ns == 0) {
433 		priv->dequeue_timeout_ns = DPAA2_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
434 	} else {
435 		priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
436 	}
437 
438 	DPAA2_EVENTDEV_DEBUG("Configured eventdev devid=%d",
439 			     dev->data->dev_id);
440 	return 0;
441 }
442 
443 static int
444 dpaa2_eventdev_start(struct rte_eventdev *dev)
445 {
446 	EVENTDEV_INIT_FUNC_TRACE();
447 
448 	RTE_SET_USED(dev);
449 
450 	return 0;
451 }
452 
453 static void
454 dpaa2_eventdev_stop(struct rte_eventdev *dev)
455 {
456 	EVENTDEV_INIT_FUNC_TRACE();
457 
458 	RTE_SET_USED(dev);
459 }
460 
461 static int
462 dpaa2_eventdev_close(struct rte_eventdev *dev)
463 {
464 	EVENTDEV_INIT_FUNC_TRACE();
465 
466 	RTE_SET_USED(dev);
467 
468 	return 0;
469 }
470 
471 static void
472 dpaa2_eventdev_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
473 			      struct rte_event_queue_conf *queue_conf)
474 {
475 	EVENTDEV_INIT_FUNC_TRACE();
476 
477 	RTE_SET_USED(dev);
478 	RTE_SET_USED(queue_id);
479 	RTE_SET_USED(queue_conf);
480 
481 	queue_conf->nb_atomic_flows = DPAA2_EVENT_QUEUE_ATOMIC_FLOWS;
482 	queue_conf->schedule_type = RTE_SCHED_TYPE_PARALLEL;
483 	queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
484 }
485 
486 static int
487 dpaa2_eventdev_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
488 			   const struct rte_event_queue_conf *queue_conf)
489 {
490 	struct dpaa2_eventdev *priv = dev->data->dev_private;
491 	struct dpaa2_eventq *evq_info = &priv->evq_info[queue_id];
492 
493 	EVENTDEV_INIT_FUNC_TRACE();
494 
495 	switch (queue_conf->schedule_type) {
496 	case RTE_SCHED_TYPE_PARALLEL:
497 	case RTE_SCHED_TYPE_ATOMIC:
498 		break;
499 	case RTE_SCHED_TYPE_ORDERED:
500 		DPAA2_EVENTDEV_ERR("Schedule type is not supported.");
501 		return -1;
502 	}
503 	evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
504 	evq_info->event_queue_id = queue_id;
505 
506 	return 0;
507 }
508 
509 static void
510 dpaa2_eventdev_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
511 {
512 	EVENTDEV_INIT_FUNC_TRACE();
513 
514 	RTE_SET_USED(dev);
515 	RTE_SET_USED(queue_id);
516 }
517 
518 static void
519 dpaa2_eventdev_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
520 			     struct rte_event_port_conf *port_conf)
521 {
522 	EVENTDEV_INIT_FUNC_TRACE();
523 
524 	RTE_SET_USED(dev);
525 	RTE_SET_USED(port_id);
526 
527 	port_conf->new_event_threshold =
528 		DPAA2_EVENT_MAX_NUM_EVENTS;
529 	port_conf->dequeue_depth =
530 		DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
531 	port_conf->enqueue_depth =
532 		DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
533 	port_conf->disable_implicit_release = 0;
534 }
535 
536 static int
537 dpaa2_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
538 			  const struct rte_event_port_conf *port_conf)
539 {
540 	char event_port_name[32];
541 	struct dpaa2_port *portal;
542 
543 	EVENTDEV_INIT_FUNC_TRACE();
544 
545 	RTE_SET_USED(port_conf);
546 
547 	sprintf(event_port_name, "event-port-%d", port_id);
548 	portal = rte_malloc(event_port_name, sizeof(struct dpaa2_port), 0);
549 	if (!portal) {
550 		DPAA2_EVENTDEV_ERR("Memory allocation failure");
551 		return -ENOMEM;
552 	}
553 
554 	memset(portal, 0, sizeof(struct dpaa2_port));
555 	dev->data->ports[port_id] = portal;
556 	return 0;
557 }
558 
559 static void
560 dpaa2_eventdev_port_release(void *port)
561 {
562 	struct dpaa2_port *portal = port;
563 
564 	EVENTDEV_INIT_FUNC_TRACE();
565 
566 	/* TODO: Cleanup is required when ports are in linked state. */
567 	if (portal->is_port_linked)
568 		DPAA2_EVENTDEV_WARN("Event port must be unlinked before release");
569 
570 	if (portal)
571 		rte_free(portal);
572 
573 	portal = NULL;
574 }
575 
576 static int
577 dpaa2_eventdev_port_link(struct rte_eventdev *dev, void *port,
578 			 const uint8_t queues[], const uint8_t priorities[],
579 			uint16_t nb_links)
580 {
581 	struct dpaa2_eventdev *priv = dev->data->dev_private;
582 	struct dpaa2_port *dpaa2_portal = port;
583 	struct dpaa2_eventq *evq_info;
584 	uint16_t i;
585 
586 	EVENTDEV_INIT_FUNC_TRACE();
587 
588 	RTE_SET_USED(priorities);
589 
590 	for (i = 0; i < nb_links; i++) {
591 		evq_info = &priv->evq_info[queues[i]];
592 		memcpy(&dpaa2_portal->evq_info[queues[i]], evq_info,
593 			   sizeof(struct dpaa2_eventq));
594 		dpaa2_portal->evq_info[queues[i]].event_port = port;
595 		dpaa2_portal->num_linked_evq++;
596 	}
597 
598 	return (int)nb_links;
599 }
600 
601 static int
602 dpaa2_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
603 			   uint8_t queues[], uint16_t nb_unlinks)
604 {
605 	struct dpaa2_port *dpaa2_portal = port;
606 	int i;
607 	struct dpaa2_dpio_dev *dpio_dev = NULL;
608 	struct dpaa2_eventq *evq_info;
609 	struct qbman_swp *swp;
610 
611 	EVENTDEV_INIT_FUNC_TRACE();
612 
613 	RTE_SET_USED(dev);
614 	RTE_SET_USED(queues);
615 
616 	for (i = 0; i < nb_unlinks; i++) {
617 		evq_info = &dpaa2_portal->evq_info[queues[i]];
618 
619 		if (DPAA2_PER_LCORE_DPIO && evq_info->dpcon) {
620 			/* todo dpaa2_portal shall have dpio_dev-no per lcore*/
621 			dpio_dev = DPAA2_PER_LCORE_DPIO;
622 			swp = DPAA2_PER_LCORE_PORTAL;
623 
624 			qbman_swp_push_set(swp,
625 					evq_info->dpcon->channel_index, 0);
626 			dpio_remove_static_dequeue_channel(dpio_dev->dpio, 0,
627 						dpio_dev->token,
628 						evq_info->dpcon->dpcon_id);
629 		}
630 		memset(evq_info, 0, sizeof(struct dpaa2_eventq));
631 		if (dpaa2_portal->num_linked_evq)
632 			dpaa2_portal->num_linked_evq--;
633 	}
634 
635 	if (!dpaa2_portal->num_linked_evq)
636 		dpaa2_portal->is_port_linked = false;
637 
638 	return (int)nb_unlinks;
639 }
640 
641 
642 static int
643 dpaa2_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
644 			     uint64_t *timeout_ticks)
645 {
646 	uint32_t scale = 1000*1000;
647 
648 	EVENTDEV_INIT_FUNC_TRACE();
649 
650 	RTE_SET_USED(dev);
651 	*timeout_ticks = ns / scale;
652 
653 	return 0;
654 }
655 
656 static void
657 dpaa2_eventdev_dump(struct rte_eventdev *dev, FILE *f)
658 {
659 	EVENTDEV_INIT_FUNC_TRACE();
660 
661 	RTE_SET_USED(dev);
662 	RTE_SET_USED(f);
663 }
664 
665 static int
666 dpaa2_eventdev_eth_caps_get(const struct rte_eventdev *dev,
667 			    const struct rte_eth_dev *eth_dev,
668 			    uint32_t *caps)
669 {
670 	const char *ethdev_driver = eth_dev->device->driver->name;
671 
672 	EVENTDEV_INIT_FUNC_TRACE();
673 
674 	RTE_SET_USED(dev);
675 
676 	if (!strcmp(ethdev_driver, "net_dpaa2"))
677 		*caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA2_CAP;
678 	else
679 		*caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
680 
681 	return 0;
682 }
683 
684 static int
685 dpaa2_eventdev_eth_queue_add_all(const struct rte_eventdev *dev,
686 		const struct rte_eth_dev *eth_dev,
687 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
688 {
689 	struct dpaa2_eventdev *priv = dev->data->dev_private;
690 	uint8_t ev_qid = queue_conf->ev.queue_id;
691 	uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
692 	int i, ret;
693 
694 	EVENTDEV_INIT_FUNC_TRACE();
695 
696 	for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
697 		ret = dpaa2_eth_eventq_attach(eth_dev, i,
698 				dpcon_id, queue_conf);
699 		if (ret) {
700 			DPAA2_EVENTDEV_ERR(
701 				"Event queue attach failed: err(%d)", ret);
702 			goto fail;
703 		}
704 	}
705 	return 0;
706 fail:
707 	for (i = (i - 1); i >= 0 ; i--)
708 		dpaa2_eth_eventq_detach(eth_dev, i);
709 
710 	return ret;
711 }
712 
713 static int
714 dpaa2_eventdev_eth_queue_add(const struct rte_eventdev *dev,
715 		const struct rte_eth_dev *eth_dev,
716 		int32_t rx_queue_id,
717 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
718 {
719 	struct dpaa2_eventdev *priv = dev->data->dev_private;
720 	uint8_t ev_qid = queue_conf->ev.queue_id;
721 	uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
722 	int ret;
723 
724 	EVENTDEV_INIT_FUNC_TRACE();
725 
726 	if (rx_queue_id == -1)
727 		return dpaa2_eventdev_eth_queue_add_all(dev,
728 				eth_dev, queue_conf);
729 
730 	ret = dpaa2_eth_eventq_attach(eth_dev, rx_queue_id,
731 			dpcon_id, queue_conf);
732 	if (ret) {
733 		DPAA2_EVENTDEV_ERR(
734 			"Event queue attach failed: err(%d)", ret);
735 		return ret;
736 	}
737 	return 0;
738 }
739 
740 static int
741 dpaa2_eventdev_eth_queue_del_all(const struct rte_eventdev *dev,
742 			     const struct rte_eth_dev *eth_dev)
743 {
744 	int i, ret;
745 
746 	EVENTDEV_INIT_FUNC_TRACE();
747 
748 	RTE_SET_USED(dev);
749 
750 	for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
751 		ret = dpaa2_eth_eventq_detach(eth_dev, i);
752 		if (ret) {
753 			DPAA2_EVENTDEV_ERR(
754 				"Event queue detach failed: err(%d)", ret);
755 			return ret;
756 		}
757 	}
758 
759 	return 0;
760 }
761 
762 static int
763 dpaa2_eventdev_eth_queue_del(const struct rte_eventdev *dev,
764 			     const struct rte_eth_dev *eth_dev,
765 			     int32_t rx_queue_id)
766 {
767 	int ret;
768 
769 	EVENTDEV_INIT_FUNC_TRACE();
770 
771 	if (rx_queue_id == -1)
772 		return dpaa2_eventdev_eth_queue_del_all(dev, eth_dev);
773 
774 	ret = dpaa2_eth_eventq_detach(eth_dev, rx_queue_id);
775 	if (ret) {
776 		DPAA2_EVENTDEV_ERR(
777 			"Event queue detach failed: err(%d)", ret);
778 		return ret;
779 	}
780 
781 	return 0;
782 }
783 
784 static int
785 dpaa2_eventdev_eth_start(const struct rte_eventdev *dev,
786 			 const struct rte_eth_dev *eth_dev)
787 {
788 	EVENTDEV_INIT_FUNC_TRACE();
789 
790 	RTE_SET_USED(dev);
791 	RTE_SET_USED(eth_dev);
792 
793 	return 0;
794 }
795 
796 static int
797 dpaa2_eventdev_eth_stop(const struct rte_eventdev *dev,
798 			const struct rte_eth_dev *eth_dev)
799 {
800 	EVENTDEV_INIT_FUNC_TRACE();
801 
802 	RTE_SET_USED(dev);
803 	RTE_SET_USED(eth_dev);
804 
805 	return 0;
806 }
807 
808 static int
809 dpaa2_eventdev_crypto_caps_get(const struct rte_eventdev *dev,
810 			    const struct rte_cryptodev *cdev,
811 			    uint32_t *caps)
812 {
813 	const char *name = cdev->data->name;
814 
815 	EVENTDEV_INIT_FUNC_TRACE();
816 
817 	RTE_SET_USED(dev);
818 
819 	if (!strncmp(name, "dpsec-", 6))
820 		*caps = RTE_EVENT_CRYPTO_ADAPTER_DPAA2_CAP;
821 	else
822 		return -1;
823 
824 	return 0;
825 }
826 
827 static int
828 dpaa2_eventdev_crypto_queue_add_all(const struct rte_eventdev *dev,
829 		const struct rte_cryptodev *cryptodev,
830 		const struct rte_event *ev)
831 {
832 	struct dpaa2_eventdev *priv = dev->data->dev_private;
833 	uint8_t ev_qid = ev->queue_id;
834 	uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
835 	int i, ret;
836 
837 	EVENTDEV_INIT_FUNC_TRACE();
838 
839 	for (i = 0; i < cryptodev->data->nb_queue_pairs; i++) {
840 		ret = dpaa2_sec_eventq_attach(cryptodev, i,
841 				dpcon_id, ev);
842 		if (ret) {
843 			DPAA2_EVENTDEV_ERR("dpaa2_sec_eventq_attach failed: ret %d\n",
844 				    ret);
845 			goto fail;
846 		}
847 	}
848 	return 0;
849 fail:
850 	for (i = (i - 1); i >= 0 ; i--)
851 		dpaa2_sec_eventq_detach(cryptodev, i);
852 
853 	return ret;
854 }
855 
856 static int
857 dpaa2_eventdev_crypto_queue_add(const struct rte_eventdev *dev,
858 		const struct rte_cryptodev *cryptodev,
859 		int32_t rx_queue_id,
860 		const struct rte_event *ev)
861 {
862 	struct dpaa2_eventdev *priv = dev->data->dev_private;
863 	uint8_t ev_qid = ev->queue_id;
864 	uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
865 	int ret;
866 
867 	EVENTDEV_INIT_FUNC_TRACE();
868 
869 	if (rx_queue_id == -1)
870 		return dpaa2_eventdev_crypto_queue_add_all(dev,
871 				cryptodev, ev);
872 
873 	ret = dpaa2_sec_eventq_attach(cryptodev, rx_queue_id,
874 			dpcon_id, ev);
875 	if (ret) {
876 		DPAA2_EVENTDEV_ERR(
877 			"dpaa2_sec_eventq_attach failed: ret: %d\n", ret);
878 		return ret;
879 	}
880 	return 0;
881 }
882 
883 static int
884 dpaa2_eventdev_crypto_queue_del_all(const struct rte_eventdev *dev,
885 			     const struct rte_cryptodev *cdev)
886 {
887 	int i, ret;
888 
889 	EVENTDEV_INIT_FUNC_TRACE();
890 
891 	RTE_SET_USED(dev);
892 
893 	for (i = 0; i < cdev->data->nb_queue_pairs; i++) {
894 		ret = dpaa2_sec_eventq_detach(cdev, i);
895 		if (ret) {
896 			DPAA2_EVENTDEV_ERR(
897 				"dpaa2_sec_eventq_detach failed:ret %d\n", ret);
898 			return ret;
899 		}
900 	}
901 
902 	return 0;
903 }
904 
905 static int
906 dpaa2_eventdev_crypto_queue_del(const struct rte_eventdev *dev,
907 			     const struct rte_cryptodev *cryptodev,
908 			     int32_t rx_queue_id)
909 {
910 	int ret;
911 
912 	EVENTDEV_INIT_FUNC_TRACE();
913 
914 	if (rx_queue_id == -1)
915 		return dpaa2_eventdev_crypto_queue_del_all(dev, cryptodev);
916 
917 	ret = dpaa2_sec_eventq_detach(cryptodev, rx_queue_id);
918 	if (ret) {
919 		DPAA2_EVENTDEV_ERR(
920 			"dpaa2_sec_eventq_detach failed: ret: %d\n", ret);
921 		return ret;
922 	}
923 
924 	return 0;
925 }
926 
927 static int
928 dpaa2_eventdev_crypto_start(const struct rte_eventdev *dev,
929 			    const struct rte_cryptodev *cryptodev)
930 {
931 	EVENTDEV_INIT_FUNC_TRACE();
932 
933 	RTE_SET_USED(dev);
934 	RTE_SET_USED(cryptodev);
935 
936 	return 0;
937 }
938 
939 static int
940 dpaa2_eventdev_crypto_stop(const struct rte_eventdev *dev,
941 			   const struct rte_cryptodev *cryptodev)
942 {
943 	EVENTDEV_INIT_FUNC_TRACE();
944 
945 	RTE_SET_USED(dev);
946 	RTE_SET_USED(cryptodev);
947 
948 	return 0;
949 }
950 
951 static struct rte_eventdev_ops dpaa2_eventdev_ops = {
952 	.dev_infos_get    = dpaa2_eventdev_info_get,
953 	.dev_configure    = dpaa2_eventdev_configure,
954 	.dev_start        = dpaa2_eventdev_start,
955 	.dev_stop         = dpaa2_eventdev_stop,
956 	.dev_close        = dpaa2_eventdev_close,
957 	.queue_def_conf   = dpaa2_eventdev_queue_def_conf,
958 	.queue_setup      = dpaa2_eventdev_queue_setup,
959 	.queue_release    = dpaa2_eventdev_queue_release,
960 	.port_def_conf    = dpaa2_eventdev_port_def_conf,
961 	.port_setup       = dpaa2_eventdev_port_setup,
962 	.port_release     = dpaa2_eventdev_port_release,
963 	.port_link        = dpaa2_eventdev_port_link,
964 	.port_unlink      = dpaa2_eventdev_port_unlink,
965 	.timeout_ticks    = dpaa2_eventdev_timeout_ticks,
966 	.dump             = dpaa2_eventdev_dump,
967 	.dev_selftest     = test_eventdev_dpaa2,
968 	.eth_rx_adapter_caps_get = dpaa2_eventdev_eth_caps_get,
969 	.eth_rx_adapter_queue_add = dpaa2_eventdev_eth_queue_add,
970 	.eth_rx_adapter_queue_del = dpaa2_eventdev_eth_queue_del,
971 	.eth_rx_adapter_start = dpaa2_eventdev_eth_start,
972 	.eth_rx_adapter_stop = dpaa2_eventdev_eth_stop,
973 	.crypto_adapter_caps_get	= dpaa2_eventdev_crypto_caps_get,
974 	.crypto_adapter_queue_pair_add	= dpaa2_eventdev_crypto_queue_add,
975 	.crypto_adapter_queue_pair_del	= dpaa2_eventdev_crypto_queue_del,
976 	.crypto_adapter_start		= dpaa2_eventdev_crypto_start,
977 	.crypto_adapter_stop		= dpaa2_eventdev_crypto_stop,
978 };
979 
980 static int
981 dpaa2_eventdev_setup_dpci(struct dpaa2_dpci_dev *dpci_dev,
982 			  struct dpaa2_dpcon_dev *dpcon_dev)
983 {
984 	struct dpci_rx_queue_cfg rx_queue_cfg;
985 	int ret, i;
986 
987 	/*Do settings to get the frame on a DPCON object*/
988 	rx_queue_cfg.options = DPCI_QUEUE_OPT_DEST |
989 		  DPCI_QUEUE_OPT_USER_CTX;
990 	rx_queue_cfg.dest_cfg.dest_type = DPCI_DEST_DPCON;
991 	rx_queue_cfg.dest_cfg.dest_id = dpcon_dev->dpcon_id;
992 	rx_queue_cfg.dest_cfg.priority = DPAA2_EVENT_DEFAULT_DPCI_PRIO;
993 
994 	dpci_dev->rx_queue[DPAA2_EVENT_DPCI_PARALLEL_QUEUE].cb =
995 		dpaa2_eventdev_process_parallel;
996 	dpci_dev->rx_queue[DPAA2_EVENT_DPCI_ATOMIC_QUEUE].cb =
997 		dpaa2_eventdev_process_atomic;
998 
999 	for (i = 0 ; i < DPAA2_EVENT_DPCI_MAX_QUEUES; i++) {
1000 		rx_queue_cfg.user_ctx = (size_t)(&dpci_dev->rx_queue[i]);
1001 		ret = dpci_set_rx_queue(&dpci_dev->dpci,
1002 					CMD_PRI_LOW,
1003 					dpci_dev->token, i,
1004 					&rx_queue_cfg);
1005 		if (ret) {
1006 			DPAA2_EVENTDEV_ERR(
1007 				"DPCI Rx queue setup failed: err(%d)",
1008 				ret);
1009 			return ret;
1010 		}
1011 	}
1012 	return 0;
1013 }
1014 
1015 static int
1016 dpaa2_eventdev_create(const char *name)
1017 {
1018 	struct rte_eventdev *eventdev;
1019 	struct dpaa2_eventdev *priv;
1020 	struct dpaa2_dpcon_dev *dpcon_dev = NULL;
1021 	struct dpaa2_dpci_dev *dpci_dev = NULL;
1022 	int ret;
1023 
1024 	eventdev = rte_event_pmd_vdev_init(name,
1025 					   sizeof(struct dpaa2_eventdev),
1026 					   rte_socket_id());
1027 	if (eventdev == NULL) {
1028 		DPAA2_EVENTDEV_ERR("Failed to create Event device %s", name);
1029 		goto fail;
1030 	}
1031 
1032 	eventdev->dev_ops       = &dpaa2_eventdev_ops;
1033 	eventdev->enqueue       = dpaa2_eventdev_enqueue;
1034 	eventdev->enqueue_burst = dpaa2_eventdev_enqueue_burst;
1035 	eventdev->enqueue_new_burst = dpaa2_eventdev_enqueue_burst;
1036 	eventdev->enqueue_forward_burst = dpaa2_eventdev_enqueue_burst;
1037 	eventdev->dequeue       = dpaa2_eventdev_dequeue;
1038 	eventdev->dequeue_burst = dpaa2_eventdev_dequeue_burst;
1039 
1040 	/* For secondary processes, the primary has done all the work */
1041 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1042 		return 0;
1043 
1044 	priv = eventdev->data->dev_private;
1045 	priv->max_event_queues = 0;
1046 
1047 	do {
1048 		dpcon_dev = rte_dpaa2_alloc_dpcon_dev();
1049 		if (!dpcon_dev)
1050 			break;
1051 		priv->evq_info[priv->max_event_queues].dpcon = dpcon_dev;
1052 
1053 		dpci_dev = rte_dpaa2_alloc_dpci_dev();
1054 		if (!dpci_dev) {
1055 			rte_dpaa2_free_dpcon_dev(dpcon_dev);
1056 			break;
1057 		}
1058 		priv->evq_info[priv->max_event_queues].dpci = dpci_dev;
1059 
1060 		ret = dpaa2_eventdev_setup_dpci(dpci_dev, dpcon_dev);
1061 		if (ret) {
1062 			DPAA2_EVENTDEV_ERR(
1063 				    "DPCI setup failed: err(%d)", ret);
1064 			return ret;
1065 		}
1066 		priv->max_event_queues++;
1067 	} while (dpcon_dev && dpci_dev);
1068 
1069 	RTE_LOG(INFO, PMD, "%s eventdev created\n", name);
1070 
1071 	return 0;
1072 fail:
1073 	return -EFAULT;
1074 }
1075 
1076 static int
1077 dpaa2_eventdev_destroy(const char *name)
1078 {
1079 	struct rte_eventdev *eventdev;
1080 	struct dpaa2_eventdev *priv;
1081 	int i;
1082 
1083 	eventdev = rte_event_pmd_get_named_dev(name);
1084 	if (eventdev == NULL) {
1085 		RTE_EDEV_LOG_ERR("eventdev with name %s not allocated", name);
1086 		return -1;
1087 	}
1088 
1089 	/* For secondary processes, the primary has done all the work */
1090 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1091 		return 0;
1092 
1093 	priv = eventdev->data->dev_private;
1094 	for (i = 0; i < priv->max_event_queues; i++) {
1095 		if (priv->evq_info[i].dpcon)
1096 			rte_dpaa2_free_dpcon_dev(priv->evq_info[i].dpcon);
1097 
1098 		if (priv->evq_info[i].dpci)
1099 			rte_dpaa2_free_dpci_dev(priv->evq_info[i].dpci);
1100 
1101 	}
1102 	priv->max_event_queues = 0;
1103 
1104 	RTE_LOG(INFO, PMD, "%s eventdev cleaned\n", name);
1105 	return 0;
1106 }
1107 
1108 
1109 static int
1110 dpaa2_eventdev_probe(struct rte_vdev_device *vdev)
1111 {
1112 	const char *name;
1113 
1114 	name = rte_vdev_device_name(vdev);
1115 	DPAA2_EVENTDEV_INFO("Initializing %s", name);
1116 	return dpaa2_eventdev_create(name);
1117 }
1118 
1119 static int
1120 dpaa2_eventdev_remove(struct rte_vdev_device *vdev)
1121 {
1122 	const char *name;
1123 
1124 	name = rte_vdev_device_name(vdev);
1125 	DPAA2_EVENTDEV_INFO("Closing %s", name);
1126 
1127 	dpaa2_eventdev_destroy(name);
1128 
1129 	return rte_event_pmd_vdev_uninit(name);
1130 }
1131 
1132 static struct rte_vdev_driver vdev_eventdev_dpaa2_pmd = {
1133 	.probe = dpaa2_eventdev_probe,
1134 	.remove = dpaa2_eventdev_remove
1135 };
1136 
1137 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA2_PMD, vdev_eventdev_dpaa2_pmd);
1138 
1139 RTE_INIT(dpaa2_eventdev_init_log)
1140 {
1141 	dpaa2_logtype_event = rte_log_register("pmd.event.dpaa2");
1142 	if (dpaa2_logtype_event >= 0)
1143 		rte_log_set_level(dpaa2_logtype_event, RTE_LOG_NOTICE);
1144 }
1145