event/dpaa: support crypto adapter
[dpdk.git] / drivers / event / dpaa / dpaa_eventdev.c
1 /*   SPDX-License-Identifier:        BSD-3-Clause
2  *   Copyright 2017 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_lcore.h>
20 #include <rte_log.h>
21 #include <rte_malloc.h>
22 #include <rte_memcpy.h>
23 #include <rte_memory.h>
24 #include <rte_memzone.h>
25 #include <rte_pci.h>
26 #include <rte_eventdev.h>
27 #include <rte_eventdev_pmd_vdev.h>
28 #include <rte_ethdev.h>
29 #include <rte_event_eth_rx_adapter.h>
30 #include <rte_cryptodev.h>
31 #include <rte_dpaa_bus.h>
32 #include <rte_dpaa_logs.h>
33 #include <rte_cycles.h>
34 #include <rte_kvargs.h>
35
36 #include <dpaa_ethdev.h>
37 #include <dpaa_sec_event.h>
38 #include "dpaa_eventdev.h"
39 #include <dpaa_mempool.h>
40
41 /*
42  * Clarifications
43  * Evendev = Virtual Instance for SoC
44  * Eventport = Portal Instance
45  * Eventqueue = Channel Instance
46  * 1 Eventdev can have N Eventqueue
47  */
48
49 #define DISABLE_INTR_MODE "disable_intr"
50
51 static int
52 dpaa_event_dequeue_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
53                                  uint64_t *timeout_ticks)
54 {
55         EVENTDEV_INIT_FUNC_TRACE();
56
57         RTE_SET_USED(dev);
58
59         uint64_t cycles_per_second;
60
61         cycles_per_second = rte_get_timer_hz();
62         *timeout_ticks = (ns * cycles_per_second) / NS_PER_S;
63
64         return 0;
65 }
66
67 static int
68 dpaa_event_dequeue_timeout_ticks_intr(struct rte_eventdev *dev, uint64_t ns,
69                                  uint64_t *timeout_ticks)
70 {
71         RTE_SET_USED(dev);
72
73         *timeout_ticks = ns/1000;
74         return 0;
75 }
76
77 static void
78 dpaa_eventq_portal_add(u16 ch_id)
79 {
80         uint32_t sdqcr;
81
82         sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(ch_id);
83         qman_static_dequeue_add(sdqcr, NULL);
84 }
85
86 static uint16_t
87 dpaa_event_enqueue_burst(void *port, const struct rte_event ev[],
88                          uint16_t nb_events)
89 {
90         uint16_t i;
91         struct rte_mbuf *mbuf;
92
93         RTE_SET_USED(port);
94         /*Release all the contexts saved previously*/
95         for (i = 0; i < nb_events; i++) {
96                 switch (ev[i].op) {
97                 case RTE_EVENT_OP_RELEASE:
98                         qman_dca_index(ev[i].impl_opaque, 0);
99                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
100                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
101                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
102                         DPAA_PER_LCORE_DQRR_SIZE--;
103                         break;
104                 default:
105                         break;
106                 }
107         }
108
109         return nb_events;
110 }
111
112 static uint16_t
113 dpaa_event_enqueue(void *port, const struct rte_event *ev)
114 {
115         return dpaa_event_enqueue_burst(port, ev, 1);
116 }
117
118 static void drain_4_bytes(int fd, fd_set *fdset)
119 {
120         if (FD_ISSET(fd, fdset)) {
121                 /* drain 4 bytes */
122                 uint32_t junk;
123                 ssize_t sjunk = read(qman_thread_fd(), &junk, sizeof(junk));
124                 if (sjunk != sizeof(junk))
125                         DPAA_EVENTDEV_ERR("UIO irq read error");
126         }
127 }
128
129 static inline int
130 dpaa_event_dequeue_wait(uint64_t timeout_ticks)
131 {
132         int fd_qman, nfds;
133         int ret;
134         fd_set readset;
135
136         /* Go into (and back out of) IRQ mode for each select,
137          * it simplifies exit-path considerations and other
138          * potential nastiness.
139          */
140         struct timeval tv = {
141                 .tv_sec = timeout_ticks / 1000000,
142                 .tv_usec = timeout_ticks % 1000000
143         };
144
145         fd_qman = qman_thread_fd();
146         nfds = fd_qman + 1;
147         FD_ZERO(&readset);
148         FD_SET(fd_qman, &readset);
149
150         qman_irqsource_add(QM_PIRQ_DQRI);
151
152         ret = select(nfds, &readset, NULL, NULL, &tv);
153         if (ret < 0)
154                 return ret;
155         /* Calling irqsource_remove() prior to thread_irq()
156          * means thread_irq() will not process whatever caused
157          * the interrupts, however it does ensure that, once
158          * thread_irq() re-enables interrupts, they won't fire
159          * again immediately.
160          */
161         qman_irqsource_remove(~0);
162         drain_4_bytes(fd_qman, &readset);
163         qman_thread_irq();
164
165         return ret;
166 }
167
168 static uint16_t
169 dpaa_event_dequeue_burst(void *port, struct rte_event ev[],
170                          uint16_t nb_events, uint64_t timeout_ticks)
171 {
172         int ret;
173         u16 ch_id;
174         void *buffers[8];
175         u32 num_frames, i, irq = 0;
176         uint64_t cur_ticks = 0, wait_time_ticks = 0;
177         struct dpaa_port *portal = (struct dpaa_port *)port;
178         struct rte_mbuf *mbuf;
179
180         if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
181                 /* Affine current thread context to a qman portal */
182                 ret = rte_dpaa_portal_init((void *)0);
183                 if (ret) {
184                         DPAA_EVENTDEV_ERR("Unable to initialize portal");
185                         return ret;
186                 }
187         }
188
189         if (unlikely(!portal->is_port_linked)) {
190                 /*
191                  * Affine event queue for current thread context
192                  * to a qman portal.
193                  */
194                 for (i = 0; i < portal->num_linked_evq; i++) {
195                         ch_id = portal->evq_info[i].ch_id;
196                         dpaa_eventq_portal_add(ch_id);
197                 }
198                 portal->is_port_linked = true;
199         }
200
201         /* Check if there are atomic contexts to be released */
202         i = 0;
203         while (DPAA_PER_LCORE_DQRR_SIZE) {
204                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
205                         qman_dca_index(i, 0);
206                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
207                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
208                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
209                         DPAA_PER_LCORE_DQRR_SIZE--;
210                 }
211                 i++;
212         }
213         DPAA_PER_LCORE_DQRR_HELD = 0;
214
215         if (timeout_ticks)
216                 wait_time_ticks = timeout_ticks;
217         else
218                 wait_time_ticks = portal->timeout_us;
219
220         wait_time_ticks += rte_get_timer_cycles();
221         do {
222                 /* Lets dequeue the frames */
223                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
224                 if (irq)
225                         irq = 0;
226                 if (num_frames)
227                         break;
228                 cur_ticks = rte_get_timer_cycles();
229         } while (cur_ticks < wait_time_ticks);
230
231         return num_frames;
232 }
233
234 static uint16_t
235 dpaa_event_dequeue(void *port, struct rte_event *ev, uint64_t timeout_ticks)
236 {
237         return dpaa_event_dequeue_burst(port, ev, 1, timeout_ticks);
238 }
239
240 static uint16_t
241 dpaa_event_dequeue_burst_intr(void *port, struct rte_event ev[],
242                               uint16_t nb_events, uint64_t timeout_ticks)
243 {
244         int ret;
245         u16 ch_id;
246         void *buffers[8];
247         u32 num_frames, i, irq = 0;
248         uint64_t cur_ticks = 0, wait_time_ticks = 0;
249         struct dpaa_port *portal = (struct dpaa_port *)port;
250         struct rte_mbuf *mbuf;
251
252         if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
253                 /* Affine current thread context to a qman portal */
254                 ret = rte_dpaa_portal_init((void *)0);
255                 if (ret) {
256                         DPAA_EVENTDEV_ERR("Unable to initialize portal");
257                         return ret;
258                 }
259         }
260
261         if (unlikely(!portal->is_port_linked)) {
262                 /*
263                  * Affine event queue for current thread context
264                  * to a qman portal.
265                  */
266                 for (i = 0; i < portal->num_linked_evq; i++) {
267                         ch_id = portal->evq_info[i].ch_id;
268                         dpaa_eventq_portal_add(ch_id);
269                 }
270                 portal->is_port_linked = true;
271         }
272
273         /* Check if there are atomic contexts to be released */
274         i = 0;
275         while (DPAA_PER_LCORE_DQRR_SIZE) {
276                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
277                         qman_dca_index(i, 0);
278                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
279                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
280                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
281                         DPAA_PER_LCORE_DQRR_SIZE--;
282                 }
283                 i++;
284         }
285         DPAA_PER_LCORE_DQRR_HELD = 0;
286
287         if (timeout_ticks)
288                 wait_time_ticks = timeout_ticks;
289         else
290                 wait_time_ticks = portal->timeout_us;
291
292         do {
293                 /* Lets dequeue the frames */
294                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
295                 if (irq)
296                         irq = 0;
297                 if (num_frames)
298                         break;
299                 if (wait_time_ticks) { /* wait for time */
300                         if (dpaa_event_dequeue_wait(wait_time_ticks) > 0) {
301                                 irq = 1;
302                                 continue;
303                         }
304                         break; /* no event after waiting */
305                 }
306                 cur_ticks = rte_get_timer_cycles();
307         } while (cur_ticks < wait_time_ticks);
308
309         return num_frames;
310 }
311
312 static uint16_t
313 dpaa_event_dequeue_intr(void *port,
314                         struct rte_event *ev,
315                         uint64_t timeout_ticks)
316 {
317         return dpaa_event_dequeue_burst_intr(port, ev, 1, timeout_ticks);
318 }
319
320 static void
321 dpaa_event_dev_info_get(struct rte_eventdev *dev,
322                         struct rte_event_dev_info *dev_info)
323 {
324         EVENTDEV_INIT_FUNC_TRACE();
325
326         RTE_SET_USED(dev);
327         dev_info->driver_name = "event_dpaa1";
328         dev_info->min_dequeue_timeout_ns =
329                 DPAA_EVENT_MIN_DEQUEUE_TIMEOUT;
330         dev_info->max_dequeue_timeout_ns =
331                 DPAA_EVENT_MAX_DEQUEUE_TIMEOUT;
332         dev_info->dequeue_timeout_ns =
333                 DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
334         dev_info->max_event_queues =
335                 DPAA_EVENT_MAX_QUEUES;
336         dev_info->max_event_queue_flows =
337                 DPAA_EVENT_MAX_QUEUE_FLOWS;
338         dev_info->max_event_queue_priority_levels =
339                 DPAA_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
340         dev_info->max_event_priority_levels =
341                 DPAA_EVENT_MAX_EVENT_PRIORITY_LEVELS;
342         dev_info->max_event_ports =
343                 DPAA_EVENT_MAX_EVENT_PORT;
344         dev_info->max_event_port_dequeue_depth =
345                 DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
346         dev_info->max_event_port_enqueue_depth =
347                 DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
348         /*
349          * TODO: Need to find out that how to fetch this info
350          * from kernel or somewhere else.
351          */
352         dev_info->max_num_events =
353                 DPAA_EVENT_MAX_NUM_EVENTS;
354         dev_info->event_dev_cap =
355                 RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
356                 RTE_EVENT_DEV_CAP_BURST_MODE |
357                 RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
358                 RTE_EVENT_DEV_CAP_NONSEQ_MODE;
359 }
360
361 static int
362 dpaa_event_dev_configure(const struct rte_eventdev *dev)
363 {
364         struct dpaa_eventdev *priv = dev->data->dev_private;
365         struct rte_event_dev_config *conf = &dev->data->dev_conf;
366         int ret, i;
367         uint32_t *ch_id;
368
369         EVENTDEV_INIT_FUNC_TRACE();
370         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
371         priv->nb_events_limit = conf->nb_events_limit;
372         priv->nb_event_queues = conf->nb_event_queues;
373         priv->nb_event_ports = conf->nb_event_ports;
374         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
375         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
376         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
377         priv->event_dev_cfg = conf->event_dev_cfg;
378
379         ch_id = rte_malloc("dpaa-channels",
380                           sizeof(uint32_t) * priv->nb_event_queues,
381                           RTE_CACHE_LINE_SIZE);
382         if (ch_id == NULL) {
383                 DPAA_EVENTDEV_ERR("Fail to allocate memory for dpaa channels\n");
384                 return -ENOMEM;
385         }
386         /* Create requested event queues within the given event device */
387         ret = qman_alloc_pool_range(ch_id, priv->nb_event_queues, 1, 0);
388         if (ret < 0) {
389                 DPAA_EVENTDEV_ERR("qman_alloc_pool_range %u, err =%d\n",
390                                  priv->nb_event_queues, ret);
391                 rte_free(ch_id);
392                 return ret;
393         }
394         for (i = 0; i < priv->nb_event_queues; i++)
395                 priv->evq_info[i].ch_id = (u16)ch_id[i];
396
397         /* Lets prepare event ports */
398         memset(&priv->ports[0], 0,
399               sizeof(struct dpaa_port) * priv->nb_event_ports);
400
401         /* Check dequeue timeout method is per dequeue or global */
402         if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
403                 /*
404                  * Use timeout value as given in dequeue operation.
405                  * So invalidating this timeout value.
406                  */
407                 priv->dequeue_timeout_ns = 0;
408
409         } else if (conf->dequeue_timeout_ns == 0) {
410                 priv->dequeue_timeout_ns = DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
411         } else {
412                 priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
413         }
414
415         for (i = 0; i < priv->nb_event_ports; i++) {
416                 if (priv->intr_mode) {
417                         priv->ports[i].timeout_us =
418                                 priv->dequeue_timeout_ns/1000;
419                 } else {
420                         uint64_t cycles_per_second;
421
422                         cycles_per_second = rte_get_timer_hz();
423                         priv->ports[i].timeout_us =
424                                 (priv->dequeue_timeout_ns * cycles_per_second)
425                                         / NS_PER_S;
426                 }
427         }
428
429         /*
430          * TODO: Currently portals are affined with threads. Maximum threads
431          * can be created equals to number of lcore.
432          */
433         rte_free(ch_id);
434         DPAA_EVENTDEV_INFO("Configured eventdev devid=%d", dev->data->dev_id);
435
436         return 0;
437 }
438
439 static int
440 dpaa_event_dev_start(struct rte_eventdev *dev)
441 {
442         EVENTDEV_INIT_FUNC_TRACE();
443         RTE_SET_USED(dev);
444
445         return 0;
446 }
447
448 static void
449 dpaa_event_dev_stop(struct rte_eventdev *dev)
450 {
451         EVENTDEV_INIT_FUNC_TRACE();
452         RTE_SET_USED(dev);
453 }
454
455 static int
456 dpaa_event_dev_close(struct rte_eventdev *dev)
457 {
458         EVENTDEV_INIT_FUNC_TRACE();
459         RTE_SET_USED(dev);
460
461         return 0;
462 }
463
464 static void
465 dpaa_event_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
466                           struct rte_event_queue_conf *queue_conf)
467 {
468         EVENTDEV_INIT_FUNC_TRACE();
469
470         RTE_SET_USED(dev);
471         RTE_SET_USED(queue_id);
472
473         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
474         queue_conf->schedule_type = RTE_SCHED_TYPE_PARALLEL;
475         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_HIGHEST;
476 }
477
478 static int
479 dpaa_event_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
480                        const struct rte_event_queue_conf *queue_conf)
481 {
482         struct dpaa_eventdev *priv = dev->data->dev_private;
483         struct dpaa_eventq *evq_info = &priv->evq_info[queue_id];
484
485         EVENTDEV_INIT_FUNC_TRACE();
486
487         switch (queue_conf->schedule_type) {
488         case RTE_SCHED_TYPE_PARALLEL:
489         case RTE_SCHED_TYPE_ATOMIC:
490                 break;
491         case RTE_SCHED_TYPE_ORDERED:
492                 DPAA_EVENTDEV_ERR("Schedule type is not supported.");
493                 return -1;
494         }
495         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
496         evq_info->event_queue_id = queue_id;
497
498         return 0;
499 }
500
501 static void
502 dpaa_event_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
503 {
504         EVENTDEV_INIT_FUNC_TRACE();
505
506         RTE_SET_USED(dev);
507         RTE_SET_USED(queue_id);
508 }
509
510 static void
511 dpaa_event_port_default_conf_get(struct rte_eventdev *dev, uint8_t port_id,
512                                  struct rte_event_port_conf *port_conf)
513 {
514         EVENTDEV_INIT_FUNC_TRACE();
515
516         RTE_SET_USED(dev);
517         RTE_SET_USED(port_id);
518
519         port_conf->new_event_threshold = DPAA_EVENT_MAX_NUM_EVENTS;
520         port_conf->dequeue_depth = DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
521         port_conf->enqueue_depth = DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
522 }
523
524 static int
525 dpaa_event_port_setup(struct rte_eventdev *dev, uint8_t port_id,
526                       const struct rte_event_port_conf *port_conf)
527 {
528         struct dpaa_eventdev *eventdev = dev->data->dev_private;
529
530         EVENTDEV_INIT_FUNC_TRACE();
531
532         RTE_SET_USED(port_conf);
533         dev->data->ports[port_id] = &eventdev->ports[port_id];
534
535         return 0;
536 }
537
538 static void
539 dpaa_event_port_release(void *port)
540 {
541         EVENTDEV_INIT_FUNC_TRACE();
542
543         RTE_SET_USED(port);
544 }
545
546 static int
547 dpaa_event_port_link(struct rte_eventdev *dev, void *port,
548                      const uint8_t queues[], const uint8_t priorities[],
549                      uint16_t nb_links)
550 {
551         struct dpaa_eventdev *priv = dev->data->dev_private;
552         struct dpaa_port *event_port = (struct dpaa_port *)port;
553         struct dpaa_eventq *event_queue;
554         uint8_t eventq_id;
555         int i;
556
557         RTE_SET_USED(dev);
558         RTE_SET_USED(priorities);
559
560         /* First check that input configuration are valid */
561         for (i = 0; i < nb_links; i++) {
562                 eventq_id = queues[i];
563                 event_queue = &priv->evq_info[eventq_id];
564                 if ((event_queue->event_queue_cfg
565                         & RTE_EVENT_QUEUE_CFG_SINGLE_LINK)
566                         && (event_queue->event_port)) {
567                         return -EINVAL;
568                 }
569         }
570
571         for (i = 0; i < nb_links; i++) {
572                 eventq_id = queues[i];
573                 event_queue = &priv->evq_info[eventq_id];
574                 event_port->evq_info[i].event_queue_id = eventq_id;
575                 event_port->evq_info[i].ch_id = event_queue->ch_id;
576                 event_queue->event_port = port;
577         }
578
579         event_port->num_linked_evq = event_port->num_linked_evq + i;
580
581         return (int)i;
582 }
583
584 static int
585 dpaa_event_port_unlink(struct rte_eventdev *dev, void *port,
586                        uint8_t queues[], uint16_t nb_links)
587 {
588         int i;
589         uint8_t eventq_id;
590         struct dpaa_eventq *event_queue;
591         struct dpaa_eventdev *priv = dev->data->dev_private;
592         struct dpaa_port *event_port = (struct dpaa_port *)port;
593
594         if (!event_port->num_linked_evq)
595                 return nb_links;
596
597         for (i = 0; i < nb_links; i++) {
598                 eventq_id = queues[i];
599                 event_port->evq_info[eventq_id].event_queue_id = -1;
600                 event_port->evq_info[eventq_id].ch_id = 0;
601                 event_queue = &priv->evq_info[eventq_id];
602                 event_queue->event_port = NULL;
603         }
604
605         if (event_port->num_linked_evq)
606                 event_port->num_linked_evq = event_port->num_linked_evq - i;
607
608         return (int)i;
609 }
610
611 static int
612 dpaa_event_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
613                                    const struct rte_eth_dev *eth_dev,
614                                    uint32_t *caps)
615 {
616         const char *ethdev_driver = eth_dev->device->driver->name;
617
618         EVENTDEV_INIT_FUNC_TRACE();
619
620         RTE_SET_USED(dev);
621
622         if (!strcmp(ethdev_driver, "net_dpaa"))
623                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA_CAP;
624         else
625                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
626
627         return 0;
628 }
629
630 static int
631 dpaa_event_eth_rx_adapter_queue_add(
632                 const struct rte_eventdev *dev,
633                 const struct rte_eth_dev *eth_dev,
634                 int32_t rx_queue_id,
635                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
636 {
637         struct dpaa_eventdev *eventdev = dev->data->dev_private;
638         uint8_t ev_qid = queue_conf->ev.queue_id;
639         u16 ch_id = eventdev->evq_info[ev_qid].ch_id;
640         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
641         int ret, i;
642
643         EVENTDEV_INIT_FUNC_TRACE();
644
645         if (rx_queue_id == -1) {
646                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
647                         ret = dpaa_eth_eventq_attach(eth_dev, i, ch_id,
648                                                      queue_conf);
649                         if (ret) {
650                                 DPAA_EVENTDEV_ERR(
651                                         "Event Queue attach failed:%d\n", ret);
652                                 goto detach_configured_queues;
653                         }
654                 }
655                 return 0;
656         }
657
658         ret = dpaa_eth_eventq_attach(eth_dev, rx_queue_id, ch_id, queue_conf);
659         if (ret)
660                 DPAA_EVENTDEV_ERR("dpaa_eth_eventq_attach failed:%d\n", ret);
661         return ret;
662
663 detach_configured_queues:
664
665         for (i = (i - 1); i >= 0 ; i--)
666                 dpaa_eth_eventq_detach(eth_dev, i);
667
668         return ret;
669 }
670
671 static int
672 dpaa_event_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
673                                     const struct rte_eth_dev *eth_dev,
674                                     int32_t rx_queue_id)
675 {
676         int ret, i;
677         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
678
679         EVENTDEV_INIT_FUNC_TRACE();
680
681         RTE_SET_USED(dev);
682         if (rx_queue_id == -1) {
683                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
684                         ret = dpaa_eth_eventq_detach(eth_dev, i);
685                         if (ret)
686                                 DPAA_EVENTDEV_ERR(
687                                         "Event Queue detach failed:%d\n", ret);
688                 }
689
690                 return 0;
691         }
692
693         ret = dpaa_eth_eventq_detach(eth_dev, rx_queue_id);
694         if (ret)
695                 DPAA_EVENTDEV_ERR("dpaa_eth_eventq_detach failed:%d\n", ret);
696         return ret;
697 }
698
699 static int
700 dpaa_event_eth_rx_adapter_start(const struct rte_eventdev *dev,
701                                 const struct rte_eth_dev *eth_dev)
702 {
703         EVENTDEV_INIT_FUNC_TRACE();
704
705         RTE_SET_USED(dev);
706         RTE_SET_USED(eth_dev);
707
708         return 0;
709 }
710
711 static int
712 dpaa_event_eth_rx_adapter_stop(const struct rte_eventdev *dev,
713                                const struct rte_eth_dev *eth_dev)
714 {
715         EVENTDEV_INIT_FUNC_TRACE();
716
717         RTE_SET_USED(dev);
718         RTE_SET_USED(eth_dev);
719
720         return 0;
721 }
722
723 static int
724 dpaa_eventdev_crypto_caps_get(const struct rte_eventdev *dev,
725                             const struct rte_cryptodev *cdev,
726                             uint32_t *caps)
727 {
728         const char *name = cdev->data->name;
729
730         EVENTDEV_INIT_FUNC_TRACE();
731
732         RTE_SET_USED(dev);
733
734         if (!strncmp(name, "dpaa_sec-", 9))
735                 *caps = RTE_EVENT_CRYPTO_ADAPTER_DPAA_CAP;
736         else
737                 return -1;
738
739         return 0;
740 }
741
742 static int
743 dpaa_eventdev_crypto_queue_add_all(const struct rte_eventdev *dev,
744                 const struct rte_cryptodev *cryptodev,
745                 const struct rte_event *ev)
746 {
747         struct dpaa_eventdev *priv = dev->data->dev_private;
748         uint8_t ev_qid = ev->queue_id;
749         u16 ch_id = priv->evq_info[ev_qid].ch_id;
750         int i, ret;
751
752         EVENTDEV_INIT_FUNC_TRACE();
753
754         for (i = 0; i < cryptodev->data->nb_queue_pairs; i++) {
755                 ret = dpaa_sec_eventq_attach(cryptodev, i,
756                                 ch_id, ev);
757                 if (ret) {
758                         DPAA_EVENTDEV_ERR("dpaa_sec_eventq_attach failed: ret %d\n",
759                                     ret);
760                         goto fail;
761                 }
762         }
763         return 0;
764 fail:
765         for (i = (i - 1); i >= 0 ; i--)
766                 dpaa_sec_eventq_detach(cryptodev, i);
767
768         return ret;
769 }
770
771 static int
772 dpaa_eventdev_crypto_queue_add(const struct rte_eventdev *dev,
773                 const struct rte_cryptodev *cryptodev,
774                 int32_t rx_queue_id,
775                 const struct rte_event *ev)
776 {
777         struct dpaa_eventdev *priv = dev->data->dev_private;
778         uint8_t ev_qid = ev->queue_id;
779         u16 ch_id = priv->evq_info[ev_qid].ch_id;
780         int ret;
781
782         EVENTDEV_INIT_FUNC_TRACE();
783
784         if (rx_queue_id == -1)
785                 return dpaa_eventdev_crypto_queue_add_all(dev,
786                                 cryptodev, ev);
787
788         ret = dpaa_sec_eventq_attach(cryptodev, rx_queue_id,
789                         ch_id, ev);
790         if (ret) {
791                 DPAA_EVENTDEV_ERR(
792                         "dpaa_sec_eventq_attach failed: ret: %d\n", ret);
793                 return ret;
794         }
795         return 0;
796 }
797
798 static int
799 dpaa_eventdev_crypto_queue_del_all(const struct rte_eventdev *dev,
800                              const struct rte_cryptodev *cdev)
801 {
802         int i, ret;
803
804         EVENTDEV_INIT_FUNC_TRACE();
805
806         RTE_SET_USED(dev);
807
808         for (i = 0; i < cdev->data->nb_queue_pairs; i++) {
809                 ret = dpaa_sec_eventq_detach(cdev, i);
810                 if (ret) {
811                         DPAA_EVENTDEV_ERR(
812                                 "dpaa_sec_eventq_detach failed:ret %d\n", ret);
813                         return ret;
814                 }
815         }
816
817         return 0;
818 }
819
820 static int
821 dpaa_eventdev_crypto_queue_del(const struct rte_eventdev *dev,
822                              const struct rte_cryptodev *cryptodev,
823                              int32_t rx_queue_id)
824 {
825         int ret;
826
827         EVENTDEV_INIT_FUNC_TRACE();
828
829         if (rx_queue_id == -1)
830                 return dpaa_eventdev_crypto_queue_del_all(dev, cryptodev);
831
832         ret = dpaa_sec_eventq_detach(cryptodev, rx_queue_id);
833         if (ret) {
834                 DPAA_EVENTDEV_ERR(
835                         "dpaa_sec_eventq_detach failed: ret: %d\n", ret);
836                 return ret;
837         }
838
839         return 0;
840 }
841
842 static int
843 dpaa_eventdev_crypto_start(const struct rte_eventdev *dev,
844                            const struct rte_cryptodev *cryptodev)
845 {
846         EVENTDEV_INIT_FUNC_TRACE();
847
848         RTE_SET_USED(dev);
849         RTE_SET_USED(cryptodev);
850
851         return 0;
852 }
853
854 static int
855 dpaa_eventdev_crypto_stop(const struct rte_eventdev *dev,
856                           const struct rte_cryptodev *cryptodev)
857 {
858         EVENTDEV_INIT_FUNC_TRACE();
859
860         RTE_SET_USED(dev);
861         RTE_SET_USED(cryptodev);
862
863         return 0;
864 }
865
866 static struct rte_eventdev_ops dpaa_eventdev_ops = {
867         .dev_infos_get    = dpaa_event_dev_info_get,
868         .dev_configure    = dpaa_event_dev_configure,
869         .dev_start        = dpaa_event_dev_start,
870         .dev_stop         = dpaa_event_dev_stop,
871         .dev_close        = dpaa_event_dev_close,
872         .queue_def_conf   = dpaa_event_queue_def_conf,
873         .queue_setup      = dpaa_event_queue_setup,
874         .queue_release    = dpaa_event_queue_release,
875         .port_def_conf    = dpaa_event_port_default_conf_get,
876         .port_setup       = dpaa_event_port_setup,
877         .port_release       = dpaa_event_port_release,
878         .port_link        = dpaa_event_port_link,
879         .port_unlink      = dpaa_event_port_unlink,
880         .timeout_ticks    = dpaa_event_dequeue_timeout_ticks,
881         .eth_rx_adapter_caps_get = dpaa_event_eth_rx_adapter_caps_get,
882         .eth_rx_adapter_queue_add = dpaa_event_eth_rx_adapter_queue_add,
883         .eth_rx_adapter_queue_del = dpaa_event_eth_rx_adapter_queue_del,
884         .eth_rx_adapter_start = dpaa_event_eth_rx_adapter_start,
885         .eth_rx_adapter_stop = dpaa_event_eth_rx_adapter_stop,
886         .crypto_adapter_caps_get        = dpaa_eventdev_crypto_caps_get,
887         .crypto_adapter_queue_pair_add  = dpaa_eventdev_crypto_queue_add,
888         .crypto_adapter_queue_pair_del  = dpaa_eventdev_crypto_queue_del,
889         .crypto_adapter_start           = dpaa_eventdev_crypto_start,
890         .crypto_adapter_stop            = dpaa_eventdev_crypto_stop,
891 };
892
893 static int flag_check_handler(__rte_unused const char *key,
894                 const char *value, __rte_unused void *opaque)
895 {
896         if (strcmp(value, "1"))
897                 return -1;
898
899         return 0;
900 }
901
902 static int
903 dpaa_event_check_flags(const char *params)
904 {
905         struct rte_kvargs *kvlist;
906
907         if (params == NULL || params[0] == '\0')
908                 return 0;
909
910         kvlist = rte_kvargs_parse(params, NULL);
911         if (kvlist == NULL)
912                 return 0;
913
914         if (!rte_kvargs_count(kvlist, DISABLE_INTR_MODE)) {
915                 rte_kvargs_free(kvlist);
916                 return 0;
917         }
918         /* INTR MODE is disabled when there's key-value pair: disable_intr = 1*/
919         if (rte_kvargs_process(kvlist, DISABLE_INTR_MODE,
920                                 flag_check_handler, NULL) < 0) {
921                 rte_kvargs_free(kvlist);
922                 return 0;
923         }
924         rte_kvargs_free(kvlist);
925
926         return 1;
927 }
928
929 static int
930 dpaa_event_dev_create(const char *name, const char *params)
931 {
932         struct rte_eventdev *eventdev;
933         struct dpaa_eventdev *priv;
934
935         eventdev = rte_event_pmd_vdev_init(name,
936                                            sizeof(struct dpaa_eventdev),
937                                            rte_socket_id());
938         if (eventdev == NULL) {
939                 DPAA_EVENTDEV_ERR("Failed to create eventdev vdev %s", name);
940                 goto fail;
941         }
942         priv = eventdev->data->dev_private;
943
944         eventdev->dev_ops       = &dpaa_eventdev_ops;
945         eventdev->enqueue       = dpaa_event_enqueue;
946         eventdev->enqueue_burst = dpaa_event_enqueue_burst;
947
948         if (dpaa_event_check_flags(params)) {
949                 eventdev->dequeue       = dpaa_event_dequeue;
950                 eventdev->dequeue_burst = dpaa_event_dequeue_burst;
951         } else {
952                 priv->intr_mode = 1;
953                 eventdev->dev_ops->timeout_ticks =
954                                 dpaa_event_dequeue_timeout_ticks_intr;
955                 eventdev->dequeue       = dpaa_event_dequeue_intr;
956                 eventdev->dequeue_burst = dpaa_event_dequeue_burst_intr;
957         }
958
959         RTE_LOG(INFO, PMD, "%s eventdev added", name);
960
961         /* For secondary processes, the primary has done all the work */
962         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
963                 return 0;
964
965         priv->max_event_queues = DPAA_EVENT_MAX_QUEUES;
966
967         return 0;
968 fail:
969         return -EFAULT;
970 }
971
972 static int
973 dpaa_event_dev_probe(struct rte_vdev_device *vdev)
974 {
975         const char *name;
976         const char *params;
977
978         name = rte_vdev_device_name(vdev);
979         DPAA_EVENTDEV_INFO("Initializing %s", name);
980
981         params = rte_vdev_device_args(vdev);
982
983         return dpaa_event_dev_create(name, params);
984 }
985
986 static int
987 dpaa_event_dev_remove(struct rte_vdev_device *vdev)
988 {
989         const char *name;
990
991         name = rte_vdev_device_name(vdev);
992         DPAA_EVENTDEV_INFO("Closing %s", name);
993
994         return rte_event_pmd_vdev_uninit(name);
995 }
996
997 static struct rte_vdev_driver vdev_eventdev_dpaa_pmd = {
998         .probe = dpaa_event_dev_probe,
999         .remove = dpaa_event_dev_remove
1000 };
1001
1002 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA_PMD, vdev_eventdev_dpaa_pmd);
1003 RTE_PMD_REGISTER_PARAM_STRING(EVENTDEV_NAME_DPAA_PMD,
1004                 DISABLE_INTR_MODE "=<int>");