avoid AltiVec keyword vector
[dpdk.git] / lib / eventdev / rte_eventdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2016 Cavium, Inc
3  */
4
5 #include <ctype.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <errno.h>
10 #include <stdint.h>
11 #include <inttypes.h>
12
13 #include <rte_string_fns.h>
14 #include <rte_log.h>
15 #include <rte_dev.h>
16 #include <rte_memzone.h>
17 #include <rte_eal.h>
18 #include <rte_common.h>
19 #include <rte_malloc.h>
20 #include <rte_errno.h>
21 #include <ethdev_driver.h>
22 #include <rte_cryptodev.h>
23 #include <cryptodev_pmd.h>
24 #include <rte_telemetry.h>
25
26 #include "rte_eventdev.h"
27 #include "eventdev_pmd.h"
28 #include "eventdev_trace.h"
29
30 static struct rte_eventdev rte_event_devices[RTE_EVENT_MAX_DEVS];
31
32 struct rte_eventdev *rte_eventdevs = rte_event_devices;
33
34 static struct rte_eventdev_global eventdev_globals = {
35         .nb_devs                = 0
36 };
37
38 /* Public fastpath APIs. */
39 struct rte_event_fp_ops rte_event_fp_ops[RTE_EVENT_MAX_DEVS];
40
41 /* Event dev north bound API implementation */
42
43 uint8_t
44 rte_event_dev_count(void)
45 {
46         return eventdev_globals.nb_devs;
47 }
48
49 int
50 rte_event_dev_get_dev_id(const char *name)
51 {
52         int i;
53         uint8_t cmp;
54
55         if (!name)
56                 return -EINVAL;
57
58         for (i = 0; i < eventdev_globals.nb_devs; i++) {
59                 cmp = (strncmp(rte_event_devices[i].data->name, name,
60                                 RTE_EVENTDEV_NAME_MAX_LEN) == 0) ||
61                         (rte_event_devices[i].dev ? (strncmp(
62                                 rte_event_devices[i].dev->driver->name, name,
63                                          RTE_EVENTDEV_NAME_MAX_LEN) == 0) : 0);
64                 if (cmp && (rte_event_devices[i].attached ==
65                                         RTE_EVENTDEV_ATTACHED))
66                         return i;
67         }
68         return -ENODEV;
69 }
70
71 int
72 rte_event_dev_socket_id(uint8_t dev_id)
73 {
74         struct rte_eventdev *dev;
75
76         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
77         dev = &rte_eventdevs[dev_id];
78
79         return dev->data->socket_id;
80 }
81
82 int
83 rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info)
84 {
85         struct rte_eventdev *dev;
86
87         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
88         dev = &rte_eventdevs[dev_id];
89
90         if (dev_info == NULL)
91                 return -EINVAL;
92
93         memset(dev_info, 0, sizeof(struct rte_event_dev_info));
94
95         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
96         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
97
98         dev_info->dequeue_timeout_ns = dev->data->dev_conf.dequeue_timeout_ns;
99
100         dev_info->dev = dev->dev;
101         return 0;
102 }
103
104 int
105 rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
106                                 uint32_t *caps)
107 {
108         struct rte_eventdev *dev;
109
110         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
111         RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
112
113         dev = &rte_eventdevs[dev_id];
114
115         if (caps == NULL)
116                 return -EINVAL;
117
118         if (dev->dev_ops->eth_rx_adapter_caps_get == NULL)
119                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
120         else
121                 *caps = 0;
122
123         return dev->dev_ops->eth_rx_adapter_caps_get ?
124                                 (*dev->dev_ops->eth_rx_adapter_caps_get)(dev,
125                                                 &rte_eth_devices[eth_port_id],
126                                                 caps)
127                                 : 0;
128 }
129
130 int
131 rte_event_timer_adapter_caps_get(uint8_t dev_id, uint32_t *caps)
132 {
133         struct rte_eventdev *dev;
134         const struct event_timer_adapter_ops *ops;
135
136         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
137
138         dev = &rte_eventdevs[dev_id];
139
140         if (caps == NULL)
141                 return -EINVAL;
142         *caps = 0;
143
144         return dev->dev_ops->timer_adapter_caps_get ?
145                                 (*dev->dev_ops->timer_adapter_caps_get)(dev,
146                                                                         0,
147                                                                         caps,
148                                                                         &ops)
149                                 : 0;
150 }
151
152 int
153 rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
154                                   uint32_t *caps)
155 {
156         struct rte_eventdev *dev;
157         struct rte_cryptodev *cdev;
158
159         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
160         if (!rte_cryptodev_is_valid_dev(cdev_id))
161                 return -EINVAL;
162
163         dev = &rte_eventdevs[dev_id];
164         cdev = rte_cryptodev_pmd_get_dev(cdev_id);
165
166         if (caps == NULL)
167                 return -EINVAL;
168
169         if (dev->dev_ops->crypto_adapter_caps_get == NULL)
170                 *caps = RTE_EVENT_CRYPTO_ADAPTER_SW_CAP;
171         else
172                 *caps = 0;
173
174         return dev->dev_ops->crypto_adapter_caps_get ?
175                 (*dev->dev_ops->crypto_adapter_caps_get)
176                 (dev, cdev, caps) : 0;
177 }
178
179 int
180 rte_event_eth_tx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
181                                 uint32_t *caps)
182 {
183         struct rte_eventdev *dev;
184         struct rte_eth_dev *eth_dev;
185
186         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
187         RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
188
189         dev = &rte_eventdevs[dev_id];
190         eth_dev = &rte_eth_devices[eth_port_id];
191
192         if (caps == NULL)
193                 return -EINVAL;
194
195         if (dev->dev_ops->eth_tx_adapter_caps_get == NULL)
196                 *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_EVENT_VECTOR;
197         else
198                 *caps = 0;
199
200         return dev->dev_ops->eth_tx_adapter_caps_get ?
201                         (*dev->dev_ops->eth_tx_adapter_caps_get)(dev,
202                                                                 eth_dev,
203                                                                 caps)
204                         : 0;
205 }
206
207 static inline int
208 event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
209 {
210         uint8_t old_nb_queues = dev->data->nb_queues;
211         struct rte_event_queue_conf *queues_cfg;
212         unsigned int i;
213
214         RTE_EDEV_LOG_DEBUG("Setup %d queues on device %u", nb_queues,
215                          dev->data->dev_id);
216
217         if (nb_queues != 0) {
218                 queues_cfg = dev->data->queues_cfg;
219                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
220
221                 for (i = nb_queues; i < old_nb_queues; i++)
222                         (*dev->dev_ops->queue_release)(dev, i);
223
224
225                 if (nb_queues > old_nb_queues) {
226                         uint8_t new_qs = nb_queues - old_nb_queues;
227
228                         memset(queues_cfg + old_nb_queues, 0,
229                                 sizeof(queues_cfg[0]) * new_qs);
230                 }
231         } else {
232                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
233
234                 for (i = nb_queues; i < old_nb_queues; i++)
235                         (*dev->dev_ops->queue_release)(dev, i);
236         }
237
238         dev->data->nb_queues = nb_queues;
239         return 0;
240 }
241
242 #define EVENT_QUEUE_SERVICE_PRIORITY_INVALID (0xdead)
243
244 static inline int
245 event_dev_port_config(struct rte_eventdev *dev, uint8_t nb_ports)
246 {
247         uint8_t old_nb_ports = dev->data->nb_ports;
248         void **ports;
249         uint16_t *links_map;
250         struct rte_event_port_conf *ports_cfg;
251         unsigned int i;
252
253         RTE_EDEV_LOG_DEBUG("Setup %d ports on device %u", nb_ports,
254                          dev->data->dev_id);
255
256         if (nb_ports != 0) { /* re-config */
257                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
258
259                 ports = dev->data->ports;
260                 ports_cfg = dev->data->ports_cfg;
261                 links_map = dev->data->links_map;
262
263                 for (i = nb_ports; i < old_nb_ports; i++)
264                         (*dev->dev_ops->port_release)(ports[i]);
265
266                 if (nb_ports > old_nb_ports) {
267                         uint8_t new_ps = nb_ports - old_nb_ports;
268                         unsigned int old_links_map_end =
269                                 old_nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
270                         unsigned int links_map_end =
271                                 nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
272
273                         memset(ports + old_nb_ports, 0,
274                                 sizeof(ports[0]) * new_ps);
275                         memset(ports_cfg + old_nb_ports, 0,
276                                 sizeof(ports_cfg[0]) * new_ps);
277                         for (i = old_links_map_end; i < links_map_end; i++)
278                                 links_map[i] =
279                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
280                 }
281         } else {
282                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
283
284                 ports = dev->data->ports;
285                 for (i = nb_ports; i < old_nb_ports; i++) {
286                         (*dev->dev_ops->port_release)(ports[i]);
287                         ports[i] = NULL;
288                 }
289         }
290
291         dev->data->nb_ports = nb_ports;
292         return 0;
293 }
294
295 int
296 rte_event_dev_configure(uint8_t dev_id,
297                         const struct rte_event_dev_config *dev_conf)
298 {
299         struct rte_event_dev_info info;
300         struct rte_eventdev *dev;
301         int diag;
302
303         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
304         dev = &rte_eventdevs[dev_id];
305
306         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
307         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
308
309         if (dev->data->dev_started) {
310                 RTE_EDEV_LOG_ERR(
311                     "device %d must be stopped to allow configuration", dev_id);
312                 return -EBUSY;
313         }
314
315         if (dev_conf == NULL)
316                 return -EINVAL;
317
318         (*dev->dev_ops->dev_infos_get)(dev, &info);
319
320         /* Check dequeue_timeout_ns value is in limit */
321         if (!(dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)) {
322                 if (dev_conf->dequeue_timeout_ns &&
323                     (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
324                         || dev_conf->dequeue_timeout_ns >
325                                  info.max_dequeue_timeout_ns)) {
326                         RTE_EDEV_LOG_ERR("dev%d invalid dequeue_timeout_ns=%d"
327                         " min_dequeue_timeout_ns=%d max_dequeue_timeout_ns=%d",
328                         dev_id, dev_conf->dequeue_timeout_ns,
329                         info.min_dequeue_timeout_ns,
330                         info.max_dequeue_timeout_ns);
331                         return -EINVAL;
332                 }
333         }
334
335         /* Check nb_events_limit is in limit */
336         if (dev_conf->nb_events_limit > info.max_num_events) {
337                 RTE_EDEV_LOG_ERR("dev%d nb_events_limit=%d > max_num_events=%d",
338                 dev_id, dev_conf->nb_events_limit, info.max_num_events);
339                 return -EINVAL;
340         }
341
342         /* Check nb_event_queues is in limit */
343         if (!dev_conf->nb_event_queues) {
344                 RTE_EDEV_LOG_ERR("dev%d nb_event_queues cannot be zero",
345                                         dev_id);
346                 return -EINVAL;
347         }
348         if (dev_conf->nb_event_queues > info.max_event_queues +
349                         info.max_single_link_event_port_queue_pairs) {
350                 RTE_EDEV_LOG_ERR("%d nb_event_queues=%d > max_event_queues=%d + max_single_link_event_port_queue_pairs=%d",
351                                  dev_id, dev_conf->nb_event_queues,
352                                  info.max_event_queues,
353                                  info.max_single_link_event_port_queue_pairs);
354                 return -EINVAL;
355         }
356         if (dev_conf->nb_event_queues -
357                         dev_conf->nb_single_link_event_port_queues >
358                         info.max_event_queues) {
359                 RTE_EDEV_LOG_ERR("id%d nb_event_queues=%d - nb_single_link_event_port_queues=%d > max_event_queues=%d",
360                                  dev_id, dev_conf->nb_event_queues,
361                                  dev_conf->nb_single_link_event_port_queues,
362                                  info.max_event_queues);
363                 return -EINVAL;
364         }
365         if (dev_conf->nb_single_link_event_port_queues >
366                         dev_conf->nb_event_queues) {
367                 RTE_EDEV_LOG_ERR("dev%d nb_single_link_event_port_queues=%d > nb_event_queues=%d",
368                                  dev_id,
369                                  dev_conf->nb_single_link_event_port_queues,
370                                  dev_conf->nb_event_queues);
371                 return -EINVAL;
372         }
373
374         /* Check nb_event_ports is in limit */
375         if (!dev_conf->nb_event_ports) {
376                 RTE_EDEV_LOG_ERR("dev%d nb_event_ports cannot be zero", dev_id);
377                 return -EINVAL;
378         }
379         if (dev_conf->nb_event_ports > info.max_event_ports +
380                         info.max_single_link_event_port_queue_pairs) {
381                 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d > max_event_ports=%d + max_single_link_event_port_queue_pairs=%d",
382                                  dev_id, dev_conf->nb_event_ports,
383                                  info.max_event_ports,
384                                  info.max_single_link_event_port_queue_pairs);
385                 return -EINVAL;
386         }
387         if (dev_conf->nb_event_ports -
388                         dev_conf->nb_single_link_event_port_queues
389                         > info.max_event_ports) {
390                 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d - nb_single_link_event_port_queues=%d > max_event_ports=%d",
391                                  dev_id, dev_conf->nb_event_ports,
392                                  dev_conf->nb_single_link_event_port_queues,
393                                  info.max_event_ports);
394                 return -EINVAL;
395         }
396
397         if (dev_conf->nb_single_link_event_port_queues >
398             dev_conf->nb_event_ports) {
399                 RTE_EDEV_LOG_ERR(
400                                  "dev%d nb_single_link_event_port_queues=%d > nb_event_ports=%d",
401                                  dev_id,
402                                  dev_conf->nb_single_link_event_port_queues,
403                                  dev_conf->nb_event_ports);
404                 return -EINVAL;
405         }
406
407         /* Check nb_event_queue_flows is in limit */
408         if (!dev_conf->nb_event_queue_flows) {
409                 RTE_EDEV_LOG_ERR("dev%d nb_flows cannot be zero", dev_id);
410                 return -EINVAL;
411         }
412         if (dev_conf->nb_event_queue_flows > info.max_event_queue_flows) {
413                 RTE_EDEV_LOG_ERR("dev%d nb_flows=%x > max_flows=%x",
414                 dev_id, dev_conf->nb_event_queue_flows,
415                 info.max_event_queue_flows);
416                 return -EINVAL;
417         }
418
419         /* Check nb_event_port_dequeue_depth is in limit */
420         if (!dev_conf->nb_event_port_dequeue_depth) {
421                 RTE_EDEV_LOG_ERR("dev%d nb_dequeue_depth cannot be zero",
422                                         dev_id);
423                 return -EINVAL;
424         }
425         if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
426                  (dev_conf->nb_event_port_dequeue_depth >
427                          info.max_event_port_dequeue_depth)) {
428                 RTE_EDEV_LOG_ERR("dev%d nb_dq_depth=%d > max_dq_depth=%d",
429                 dev_id, dev_conf->nb_event_port_dequeue_depth,
430                 info.max_event_port_dequeue_depth);
431                 return -EINVAL;
432         }
433
434         /* Check nb_event_port_enqueue_depth is in limit */
435         if (!dev_conf->nb_event_port_enqueue_depth) {
436                 RTE_EDEV_LOG_ERR("dev%d nb_enqueue_depth cannot be zero",
437                                         dev_id);
438                 return -EINVAL;
439         }
440         if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
441                 (dev_conf->nb_event_port_enqueue_depth >
442                          info.max_event_port_enqueue_depth)) {
443                 RTE_EDEV_LOG_ERR("dev%d nb_enq_depth=%d > max_enq_depth=%d",
444                 dev_id, dev_conf->nb_event_port_enqueue_depth,
445                 info.max_event_port_enqueue_depth);
446                 return -EINVAL;
447         }
448
449         /* Copy the dev_conf parameter into the dev structure */
450         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
451
452         /* Setup new number of queues and reconfigure device. */
453         diag = event_dev_queue_config(dev, dev_conf->nb_event_queues);
454         if (diag != 0) {
455                 RTE_EDEV_LOG_ERR("dev%d event_dev_queue_config = %d", dev_id,
456                                  diag);
457                 return diag;
458         }
459
460         /* Setup new number of ports and reconfigure device. */
461         diag = event_dev_port_config(dev, dev_conf->nb_event_ports);
462         if (diag != 0) {
463                 event_dev_queue_config(dev, 0);
464                 RTE_EDEV_LOG_ERR("dev%d event_dev_port_config = %d", dev_id,
465                                  diag);
466                 return diag;
467         }
468
469         event_dev_fp_ops_reset(rte_event_fp_ops + dev_id);
470
471         /* Configure the device */
472         diag = (*dev->dev_ops->dev_configure)(dev);
473         if (diag != 0) {
474                 RTE_EDEV_LOG_ERR("dev%d dev_configure = %d", dev_id, diag);
475                 event_dev_fp_ops_reset(rte_event_fp_ops + dev_id);
476                 event_dev_queue_config(dev, 0);
477                 event_dev_port_config(dev, 0);
478         }
479
480         dev->data->event_dev_cap = info.event_dev_cap;
481         rte_eventdev_trace_configure(dev_id, dev_conf, diag);
482         return diag;
483 }
484
485 static inline int
486 is_valid_queue(struct rte_eventdev *dev, uint8_t queue_id)
487 {
488         if (queue_id < dev->data->nb_queues && queue_id <
489                                 RTE_EVENT_MAX_QUEUES_PER_DEV)
490                 return 1;
491         else
492                 return 0;
493 }
494
495 int
496 rte_event_queue_default_conf_get(uint8_t dev_id, uint8_t queue_id,
497                                  struct rte_event_queue_conf *queue_conf)
498 {
499         struct rte_eventdev *dev;
500
501         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
502         dev = &rte_eventdevs[dev_id];
503
504         if (queue_conf == NULL)
505                 return -EINVAL;
506
507         if (!is_valid_queue(dev, queue_id)) {
508                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
509                 return -EINVAL;
510         }
511
512         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
513         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
514         (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf);
515         return 0;
516 }
517
518 static inline int
519 is_valid_atomic_queue_conf(const struct rte_event_queue_conf *queue_conf)
520 {
521         if (queue_conf &&
522                 !(queue_conf->event_queue_cfg &
523                   RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
524                 ((queue_conf->event_queue_cfg &
525                          RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
526                 (queue_conf->schedule_type
527                         == RTE_SCHED_TYPE_ATOMIC)
528                 ))
529                 return 1;
530         else
531                 return 0;
532 }
533
534 static inline int
535 is_valid_ordered_queue_conf(const struct rte_event_queue_conf *queue_conf)
536 {
537         if (queue_conf &&
538                 !(queue_conf->event_queue_cfg &
539                   RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
540                 ((queue_conf->event_queue_cfg &
541                          RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
542                 (queue_conf->schedule_type
543                         == RTE_SCHED_TYPE_ORDERED)
544                 ))
545                 return 1;
546         else
547                 return 0;
548 }
549
550
551 int
552 rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
553                       const struct rte_event_queue_conf *queue_conf)
554 {
555         struct rte_eventdev *dev;
556         struct rte_event_queue_conf def_conf;
557
558         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
559         dev = &rte_eventdevs[dev_id];
560
561         if (!is_valid_queue(dev, queue_id)) {
562                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
563                 return -EINVAL;
564         }
565
566         /* Check nb_atomic_flows limit */
567         if (is_valid_atomic_queue_conf(queue_conf)) {
568                 if (queue_conf->nb_atomic_flows == 0 ||
569                     queue_conf->nb_atomic_flows >
570                         dev->data->dev_conf.nb_event_queue_flows) {
571                         RTE_EDEV_LOG_ERR(
572                 "dev%d queue%d Invalid nb_atomic_flows=%d max_flows=%d",
573                         dev_id, queue_id, queue_conf->nb_atomic_flows,
574                         dev->data->dev_conf.nb_event_queue_flows);
575                         return -EINVAL;
576                 }
577         }
578
579         /* Check nb_atomic_order_sequences limit */
580         if (is_valid_ordered_queue_conf(queue_conf)) {
581                 if (queue_conf->nb_atomic_order_sequences == 0 ||
582                     queue_conf->nb_atomic_order_sequences >
583                         dev->data->dev_conf.nb_event_queue_flows) {
584                         RTE_EDEV_LOG_ERR(
585                 "dev%d queue%d Invalid nb_atomic_order_seq=%d max_flows=%d",
586                         dev_id, queue_id, queue_conf->nb_atomic_order_sequences,
587                         dev->data->dev_conf.nb_event_queue_flows);
588                         return -EINVAL;
589                 }
590         }
591
592         if (dev->data->dev_started) {
593                 RTE_EDEV_LOG_ERR(
594                     "device %d must be stopped to allow queue setup", dev_id);
595                 return -EBUSY;
596         }
597
598         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
599
600         if (queue_conf == NULL) {
601                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf,
602                                         -ENOTSUP);
603                 (*dev->dev_ops->queue_def_conf)(dev, queue_id, &def_conf);
604                 queue_conf = &def_conf;
605         }
606
607         dev->data->queues_cfg[queue_id] = *queue_conf;
608         rte_eventdev_trace_queue_setup(dev_id, queue_id, queue_conf);
609         return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
610 }
611
612 static inline int
613 is_valid_port(struct rte_eventdev *dev, uint8_t port_id)
614 {
615         if (port_id < dev->data->nb_ports)
616                 return 1;
617         else
618                 return 0;
619 }
620
621 int
622 rte_event_port_default_conf_get(uint8_t dev_id, uint8_t port_id,
623                                  struct rte_event_port_conf *port_conf)
624 {
625         struct rte_eventdev *dev;
626
627         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
628         dev = &rte_eventdevs[dev_id];
629
630         if (port_conf == NULL)
631                 return -EINVAL;
632
633         if (!is_valid_port(dev, port_id)) {
634                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
635                 return -EINVAL;
636         }
637
638         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf, -ENOTSUP);
639         memset(port_conf, 0, sizeof(struct rte_event_port_conf));
640         (*dev->dev_ops->port_def_conf)(dev, port_id, port_conf);
641         return 0;
642 }
643
644 int
645 rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
646                      const struct rte_event_port_conf *port_conf)
647 {
648         struct rte_eventdev *dev;
649         struct rte_event_port_conf def_conf;
650         int diag;
651
652         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
653         dev = &rte_eventdevs[dev_id];
654
655         if (!is_valid_port(dev, port_id)) {
656                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
657                 return -EINVAL;
658         }
659
660         /* Check new_event_threshold limit */
661         if ((port_conf && !port_conf->new_event_threshold) ||
662                         (port_conf && port_conf->new_event_threshold >
663                                  dev->data->dev_conf.nb_events_limit)) {
664                 RTE_EDEV_LOG_ERR(
665                    "dev%d port%d Invalid event_threshold=%d nb_events_limit=%d",
666                         dev_id, port_id, port_conf->new_event_threshold,
667                         dev->data->dev_conf.nb_events_limit);
668                 return -EINVAL;
669         }
670
671         /* Check dequeue_depth limit */
672         if ((port_conf && !port_conf->dequeue_depth) ||
673                         (port_conf && port_conf->dequeue_depth >
674                 dev->data->dev_conf.nb_event_port_dequeue_depth)) {
675                 RTE_EDEV_LOG_ERR(
676                    "dev%d port%d Invalid dequeue depth=%d max_dequeue_depth=%d",
677                         dev_id, port_id, port_conf->dequeue_depth,
678                         dev->data->dev_conf.nb_event_port_dequeue_depth);
679                 return -EINVAL;
680         }
681
682         /* Check enqueue_depth limit */
683         if ((port_conf && !port_conf->enqueue_depth) ||
684                         (port_conf && port_conf->enqueue_depth >
685                 dev->data->dev_conf.nb_event_port_enqueue_depth)) {
686                 RTE_EDEV_LOG_ERR(
687                    "dev%d port%d Invalid enqueue depth=%d max_enqueue_depth=%d",
688                         dev_id, port_id, port_conf->enqueue_depth,
689                         dev->data->dev_conf.nb_event_port_enqueue_depth);
690                 return -EINVAL;
691         }
692
693         if (port_conf &&
694             (port_conf->event_port_cfg & RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL) &&
695             !(dev->data->event_dev_cap &
696               RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE)) {
697                 RTE_EDEV_LOG_ERR(
698                    "dev%d port%d Implicit release disable not supported",
699                         dev_id, port_id);
700                 return -EINVAL;
701         }
702
703         if (dev->data->dev_started) {
704                 RTE_EDEV_LOG_ERR(
705                     "device %d must be stopped to allow port setup", dev_id);
706                 return -EBUSY;
707         }
708
709         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_setup, -ENOTSUP);
710
711         if (port_conf == NULL) {
712                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf,
713                                         -ENOTSUP);
714                 (*dev->dev_ops->port_def_conf)(dev, port_id, &def_conf);
715                 port_conf = &def_conf;
716         }
717
718         dev->data->ports_cfg[port_id] = *port_conf;
719
720         diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
721
722         /* Unlink all the queues from this port(default state after setup) */
723         if (!diag)
724                 diag = rte_event_port_unlink(dev_id, port_id, NULL, 0);
725
726         rte_eventdev_trace_port_setup(dev_id, port_id, port_conf, diag);
727         if (diag < 0)
728                 return diag;
729
730         return 0;
731 }
732
733 void
734 rte_event_port_quiesce(uint8_t dev_id, uint8_t port_id,
735                        rte_eventdev_port_flush_t release_cb, void *args)
736 {
737         struct rte_eventdev *dev;
738
739         RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
740         dev = &rte_eventdevs[dev_id];
741
742         if (!is_valid_port(dev, port_id)) {
743                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
744                 return;
745         }
746
747         if (dev->dev_ops->port_quiesce)
748                 (*dev->dev_ops->port_quiesce)(dev, dev->data->ports[port_id],
749                                               release_cb, args);
750 }
751
752 int
753 rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
754                        uint32_t *attr_value)
755 {
756         struct rte_eventdev *dev;
757
758         if (!attr_value)
759                 return -EINVAL;
760         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
761         dev = &rte_eventdevs[dev_id];
762
763         switch (attr_id) {
764         case RTE_EVENT_DEV_ATTR_PORT_COUNT:
765                 *attr_value = dev->data->nb_ports;
766                 break;
767         case RTE_EVENT_DEV_ATTR_QUEUE_COUNT:
768                 *attr_value = dev->data->nb_queues;
769                 break;
770         case RTE_EVENT_DEV_ATTR_STARTED:
771                 *attr_value = dev->data->dev_started;
772                 break;
773         default:
774                 return -EINVAL;
775         }
776
777         return 0;
778 }
779
780 int
781 rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
782                         uint32_t *attr_value)
783 {
784         struct rte_eventdev *dev;
785
786         if (!attr_value)
787                 return -EINVAL;
788
789         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
790         dev = &rte_eventdevs[dev_id];
791         if (!is_valid_port(dev, port_id)) {
792                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
793                 return -EINVAL;
794         }
795
796         switch (attr_id) {
797         case RTE_EVENT_PORT_ATTR_ENQ_DEPTH:
798                 *attr_value = dev->data->ports_cfg[port_id].enqueue_depth;
799                 break;
800         case RTE_EVENT_PORT_ATTR_DEQ_DEPTH:
801                 *attr_value = dev->data->ports_cfg[port_id].dequeue_depth;
802                 break;
803         case RTE_EVENT_PORT_ATTR_NEW_EVENT_THRESHOLD:
804                 *attr_value = dev->data->ports_cfg[port_id].new_event_threshold;
805                 break;
806         case RTE_EVENT_PORT_ATTR_IMPLICIT_RELEASE_DISABLE:
807         {
808                 uint32_t config;
809
810                 config = dev->data->ports_cfg[port_id].event_port_cfg;
811                 *attr_value = !!(config & RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL);
812                 break;
813         }
814         default:
815                 return -EINVAL;
816         };
817         return 0;
818 }
819
820 int
821 rte_event_queue_attr_get(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id,
822                         uint32_t *attr_value)
823 {
824         struct rte_event_queue_conf *conf;
825         struct rte_eventdev *dev;
826
827         if (!attr_value)
828                 return -EINVAL;
829
830         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
831         dev = &rte_eventdevs[dev_id];
832         if (!is_valid_queue(dev, queue_id)) {
833                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
834                 return -EINVAL;
835         }
836
837         conf = &dev->data->queues_cfg[queue_id];
838
839         switch (attr_id) {
840         case RTE_EVENT_QUEUE_ATTR_PRIORITY:
841                 *attr_value = RTE_EVENT_DEV_PRIORITY_NORMAL;
842                 if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
843                         *attr_value = conf->priority;
844                 break;
845         case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_FLOWS:
846                 *attr_value = conf->nb_atomic_flows;
847                 break;
848         case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_ORDER_SEQUENCES:
849                 *attr_value = conf->nb_atomic_order_sequences;
850                 break;
851         case RTE_EVENT_QUEUE_ATTR_EVENT_QUEUE_CFG:
852                 *attr_value = conf->event_queue_cfg;
853                 break;
854         case RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE:
855                 if (conf->event_queue_cfg & RTE_EVENT_QUEUE_CFG_ALL_TYPES)
856                         return -EOVERFLOW;
857
858                 *attr_value = conf->schedule_type;
859                 break;
860         case RTE_EVENT_QUEUE_ATTR_WEIGHT:
861                 *attr_value = RTE_EVENT_QUEUE_WEIGHT_LOWEST;
862                 if (dev->dev_ops->queue_attr_get)
863                         return (*dev->dev_ops->queue_attr_get)(
864                                 dev, queue_id, attr_id, attr_value);
865                 break;
866         case RTE_EVENT_QUEUE_ATTR_AFFINITY:
867                 *attr_value = RTE_EVENT_QUEUE_AFFINITY_LOWEST;
868                 if (dev->dev_ops->queue_attr_get)
869                         return (*dev->dev_ops->queue_attr_get)(
870                                 dev, queue_id, attr_id, attr_value);
871                 break;
872         default:
873                 return -EINVAL;
874         };
875         return 0;
876 }
877
878 int
879 rte_event_queue_attr_set(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id,
880                          uint64_t attr_value)
881 {
882         struct rte_eventdev *dev;
883
884         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
885         dev = &rte_eventdevs[dev_id];
886         if (!is_valid_queue(dev, queue_id)) {
887                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
888                 return -EINVAL;
889         }
890
891         if (!(dev->data->event_dev_cap &
892               RTE_EVENT_DEV_CAP_RUNTIME_QUEUE_ATTR)) {
893                 RTE_EDEV_LOG_ERR(
894                         "Device %" PRIu8 "does not support changing queue attributes at runtime",
895                         dev_id);
896                 return -ENOTSUP;
897         }
898
899         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_attr_set, -ENOTSUP);
900         return (*dev->dev_ops->queue_attr_set)(dev, queue_id, attr_id,
901                                                attr_value);
902 }
903
904 int
905 rte_event_port_link(uint8_t dev_id, uint8_t port_id,
906                     const uint8_t queues[], const uint8_t priorities[],
907                     uint16_t nb_links)
908 {
909         struct rte_eventdev *dev;
910         uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
911         uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
912         uint16_t *links_map;
913         int i, diag;
914
915         RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0);
916         dev = &rte_eventdevs[dev_id];
917
918         if (*dev->dev_ops->port_link == NULL) {
919                 RTE_EDEV_LOG_ERR("Function not supported\n");
920                 rte_errno = ENOTSUP;
921                 return 0;
922         }
923
924         if (!is_valid_port(dev, port_id)) {
925                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
926                 rte_errno = EINVAL;
927                 return 0;
928         }
929
930         if (queues == NULL) {
931                 for (i = 0; i < dev->data->nb_queues; i++)
932                         queues_list[i] = i;
933
934                 queues = queues_list;
935                 nb_links = dev->data->nb_queues;
936         }
937
938         if (priorities == NULL) {
939                 for (i = 0; i < nb_links; i++)
940                         priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
941
942                 priorities = priorities_list;
943         }
944
945         for (i = 0; i < nb_links; i++)
946                 if (queues[i] >= dev->data->nb_queues) {
947                         rte_errno = EINVAL;
948                         return 0;
949                 }
950
951         diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id],
952                                                 queues, priorities, nb_links);
953         if (diag < 0)
954                 return diag;
955
956         links_map = dev->data->links_map;
957         /* Point links_map to this port specific area */
958         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
959         for (i = 0; i < diag; i++)
960                 links_map[queues[i]] = (uint8_t)priorities[i];
961
962         rte_eventdev_trace_port_link(dev_id, port_id, nb_links, diag);
963         return diag;
964 }
965
966 int
967 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
968                       uint8_t queues[], uint16_t nb_unlinks)
969 {
970         struct rte_eventdev *dev;
971         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
972         int i, diag, j;
973         uint16_t *links_map;
974
975         RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0);
976         dev = &rte_eventdevs[dev_id];
977
978         if (*dev->dev_ops->port_unlink == NULL) {
979                 RTE_EDEV_LOG_ERR("Function not supported");
980                 rte_errno = ENOTSUP;
981                 return 0;
982         }
983
984         if (!is_valid_port(dev, port_id)) {
985                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
986                 rte_errno = EINVAL;
987                 return 0;
988         }
989
990         links_map = dev->data->links_map;
991         /* Point links_map to this port specific area */
992         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
993
994         if (queues == NULL) {
995                 j = 0;
996                 for (i = 0; i < dev->data->nb_queues; i++) {
997                         if (links_map[i] !=
998                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
999                                 all_queues[j] = i;
1000                                 j++;
1001                         }
1002                 }
1003                 queues = all_queues;
1004         } else {
1005                 for (j = 0; j < nb_unlinks; j++) {
1006                         if (links_map[queues[j]] ==
1007                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID)
1008                                 break;
1009                 }
1010         }
1011
1012         nb_unlinks = j;
1013         for (i = 0; i < nb_unlinks; i++)
1014                 if (queues[i] >= dev->data->nb_queues) {
1015                         rte_errno = EINVAL;
1016                         return 0;
1017                 }
1018
1019         diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id],
1020                                         queues, nb_unlinks);
1021
1022         if (diag < 0)
1023                 return diag;
1024
1025         for (i = 0; i < diag; i++)
1026                 links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
1027
1028         rte_eventdev_trace_port_unlink(dev_id, port_id, nb_unlinks, diag);
1029         return diag;
1030 }
1031
1032 int
1033 rte_event_port_unlinks_in_progress(uint8_t dev_id, uint8_t port_id)
1034 {
1035         struct rte_eventdev *dev;
1036
1037         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1038         dev = &rte_eventdevs[dev_id];
1039         if (!is_valid_port(dev, port_id)) {
1040                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1041                 return -EINVAL;
1042         }
1043
1044         /* Return 0 if the PMD does not implement unlinks in progress.
1045          * This allows PMDs which handle unlink synchronously to not implement
1046          * this function at all.
1047          */
1048         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlinks_in_progress, 0);
1049
1050         return (*dev->dev_ops->port_unlinks_in_progress)(dev,
1051                         dev->data->ports[port_id]);
1052 }
1053
1054 int
1055 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
1056                          uint8_t queues[], uint8_t priorities[])
1057 {
1058         struct rte_eventdev *dev;
1059         uint16_t *links_map;
1060         int i, count = 0;
1061
1062         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1063         dev = &rte_eventdevs[dev_id];
1064         if (!is_valid_port(dev, port_id)) {
1065                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1066                 return -EINVAL;
1067         }
1068
1069         links_map = dev->data->links_map;
1070         /* Point links_map to this port specific area */
1071         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
1072         for (i = 0; i < dev->data->nb_queues; i++) {
1073                 if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
1074                         queues[count] = i;
1075                         priorities[count] = (uint8_t)links_map[i];
1076                         ++count;
1077                 }
1078         }
1079         return count;
1080 }
1081
1082 int
1083 rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
1084                                  uint64_t *timeout_ticks)
1085 {
1086         struct rte_eventdev *dev;
1087
1088         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1089         dev = &rte_eventdevs[dev_id];
1090         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP);
1091
1092         if (timeout_ticks == NULL)
1093                 return -EINVAL;
1094
1095         return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
1096 }
1097
1098 int
1099 rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id)
1100 {
1101         struct rte_eventdev *dev;
1102
1103         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1104         dev = &rte_eventdevs[dev_id];
1105
1106         if (service_id == NULL)
1107                 return -EINVAL;
1108
1109         if (dev->data->service_inited)
1110                 *service_id = dev->data->service_id;
1111
1112         return dev->data->service_inited ? 0 : -ESRCH;
1113 }
1114
1115 int
1116 rte_event_dev_dump(uint8_t dev_id, FILE *f)
1117 {
1118         struct rte_eventdev *dev;
1119
1120         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1121         dev = &rte_eventdevs[dev_id];
1122         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
1123         if (f == NULL)
1124                 return -EINVAL;
1125
1126         (*dev->dev_ops->dump)(dev, f);
1127         return 0;
1128
1129 }
1130
1131 static int
1132 xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
1133                 uint8_t queue_port_id)
1134 {
1135         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1136         if (dev->dev_ops->xstats_get_names != NULL)
1137                 return (*dev->dev_ops->xstats_get_names)(dev, mode,
1138                                                         queue_port_id,
1139                                                         NULL, NULL, 0);
1140         return 0;
1141 }
1142
1143 int
1144 rte_event_dev_xstats_names_get(uint8_t dev_id,
1145                 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
1146                 struct rte_event_dev_xstats_name *xstats_names,
1147                 unsigned int *ids, unsigned int size)
1148 {
1149         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
1150         const int cnt_expected_entries = xstats_get_count(dev_id, mode,
1151                                                           queue_port_id);
1152         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1153                         (int)size < cnt_expected_entries)
1154                 return cnt_expected_entries;
1155
1156         /* dev_id checked above */
1157         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1158
1159         if (dev->dev_ops->xstats_get_names != NULL)
1160                 return (*dev->dev_ops->xstats_get_names)(dev, mode,
1161                                 queue_port_id, xstats_names, ids, size);
1162
1163         return -ENOTSUP;
1164 }
1165
1166 /* retrieve eventdev extended statistics */
1167 int
1168 rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
1169                 uint8_t queue_port_id, const unsigned int ids[],
1170                 uint64_t values[], unsigned int n)
1171 {
1172         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
1173         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1174
1175         /* implemented by the driver */
1176         if (dev->dev_ops->xstats_get != NULL)
1177                 return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id,
1178                                 ids, values, n);
1179         return -ENOTSUP;
1180 }
1181
1182 uint64_t
1183 rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name,
1184                 unsigned int *id)
1185 {
1186         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
1187         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1188         unsigned int temp = -1;
1189
1190         if (id != NULL)
1191                 *id = (unsigned int)-1;
1192         else
1193                 id = &temp; /* ensure driver never gets a NULL value */
1194
1195         /* implemented by driver */
1196         if (dev->dev_ops->xstats_get_by_name != NULL)
1197                 return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
1198         return -ENOTSUP;
1199 }
1200
1201 int rte_event_dev_xstats_reset(uint8_t dev_id,
1202                 enum rte_event_dev_xstats_mode mode, int16_t queue_port_id,
1203                 const uint32_t ids[], uint32_t nb_ids)
1204 {
1205         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1206         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1207
1208         if (dev->dev_ops->xstats_reset != NULL)
1209                 return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id,
1210                                                         ids, nb_ids);
1211         return -ENOTSUP;
1212 }
1213
1214 int rte_event_pmd_selftest_seqn_dynfield_offset = -1;
1215
1216 int rte_event_dev_selftest(uint8_t dev_id)
1217 {
1218         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1219         static const struct rte_mbuf_dynfield test_seqn_dynfield_desc = {
1220                 .name = "rte_event_pmd_selftest_seqn_dynfield",
1221                 .size = sizeof(rte_event_pmd_selftest_seqn_t),
1222                 .align = __alignof__(rte_event_pmd_selftest_seqn_t),
1223         };
1224         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1225
1226         if (dev->dev_ops->dev_selftest != NULL) {
1227                 rte_event_pmd_selftest_seqn_dynfield_offset =
1228                         rte_mbuf_dynfield_register(&test_seqn_dynfield_desc);
1229                 if (rte_event_pmd_selftest_seqn_dynfield_offset < 0)
1230                         return -ENOMEM;
1231                 return (*dev->dev_ops->dev_selftest)();
1232         }
1233         return -ENOTSUP;
1234 }
1235
1236 struct rte_mempool *
1237 rte_event_vector_pool_create(const char *name, unsigned int n,
1238                              unsigned int cache_size, uint16_t nb_elem,
1239                              int socket_id)
1240 {
1241         const char *mp_ops_name;
1242         struct rte_mempool *mp;
1243         unsigned int elt_sz;
1244         int ret;
1245
1246         if (!nb_elem) {
1247                 RTE_LOG(ERR, EVENTDEV,
1248                         "Invalid number of elements=%d requested\n", nb_elem);
1249                 rte_errno = EINVAL;
1250                 return NULL;
1251         }
1252
1253         elt_sz =
1254                 sizeof(struct rte_event_vector) + (nb_elem * sizeof(uintptr_t));
1255         mp = rte_mempool_create_empty(name, n, elt_sz, cache_size, 0, socket_id,
1256                                       0);
1257         if (mp == NULL)
1258                 return NULL;
1259
1260         mp_ops_name = rte_mbuf_best_mempool_ops();
1261         ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL);
1262         if (ret != 0) {
1263                 RTE_LOG(ERR, EVENTDEV, "error setting mempool handler\n");
1264                 goto err;
1265         }
1266
1267         ret = rte_mempool_populate_default(mp);
1268         if (ret < 0)
1269                 goto err;
1270
1271         return mp;
1272 err:
1273         rte_mempool_free(mp);
1274         rte_errno = -ret;
1275         return NULL;
1276 }
1277
1278 int
1279 rte_event_dev_start(uint8_t dev_id)
1280 {
1281         struct rte_eventdev *dev;
1282         int diag;
1283
1284         RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1285
1286         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1287         dev = &rte_eventdevs[dev_id];
1288         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1289
1290         if (dev->data->dev_started != 0) {
1291                 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started",
1292                         dev_id);
1293                 return 0;
1294         }
1295
1296         diag = (*dev->dev_ops->dev_start)(dev);
1297         rte_eventdev_trace_start(dev_id, diag);
1298         if (diag == 0)
1299                 dev->data->dev_started = 1;
1300         else
1301                 return diag;
1302
1303         event_dev_fp_ops_set(rte_event_fp_ops + dev_id, dev);
1304
1305         return 0;
1306 }
1307
1308 int
1309 rte_event_dev_stop_flush_callback_register(uint8_t dev_id,
1310                 eventdev_stop_flush_t callback, void *userdata)
1311 {
1312         struct rte_eventdev *dev;
1313
1314         RTE_EDEV_LOG_DEBUG("Stop flush register dev_id=%" PRIu8, dev_id);
1315
1316         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1317         dev = &rte_eventdevs[dev_id];
1318
1319         dev->dev_ops->dev_stop_flush = callback;
1320         dev->data->dev_stop_flush_arg = userdata;
1321
1322         return 0;
1323 }
1324
1325 void
1326 rte_event_dev_stop(uint8_t dev_id)
1327 {
1328         struct rte_eventdev *dev;
1329
1330         RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id);
1331
1332         RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
1333         dev = &rte_eventdevs[dev_id];
1334         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1335
1336         if (dev->data->dev_started == 0) {
1337                 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped",
1338                         dev_id);
1339                 return;
1340         }
1341
1342         dev->data->dev_started = 0;
1343         (*dev->dev_ops->dev_stop)(dev);
1344         rte_eventdev_trace_stop(dev_id);
1345         event_dev_fp_ops_reset(rte_event_fp_ops + dev_id);
1346 }
1347
1348 int
1349 rte_event_dev_close(uint8_t dev_id)
1350 {
1351         struct rte_eventdev *dev;
1352
1353         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1354         dev = &rte_eventdevs[dev_id];
1355         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1356
1357         /* Device must be stopped before it can be closed */
1358         if (dev->data->dev_started == 1) {
1359                 RTE_EDEV_LOG_ERR("Device %u must be stopped before closing",
1360                                 dev_id);
1361                 return -EBUSY;
1362         }
1363
1364         event_dev_fp_ops_reset(rte_event_fp_ops + dev_id);
1365         rte_eventdev_trace_close(dev_id);
1366         return (*dev->dev_ops->dev_close)(dev);
1367 }
1368
1369 static inline int
1370 eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
1371                     int socket_id)
1372 {
1373         char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1374         const struct rte_memzone *mz;
1375         int n;
1376
1377         /* Generate memzone name */
1378         n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
1379         if (n >= (int)sizeof(mz_name))
1380                 return -EINVAL;
1381
1382         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1383                 mz = rte_memzone_reserve(mz_name,
1384                                 sizeof(struct rte_eventdev_data),
1385                                 socket_id, 0);
1386         } else
1387                 mz = rte_memzone_lookup(mz_name);
1388
1389         if (mz == NULL)
1390                 return -ENOMEM;
1391
1392         *data = mz->addr;
1393         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1394                 memset(*data, 0, sizeof(struct rte_eventdev_data));
1395                 for (n = 0; n < RTE_EVENT_MAX_PORTS_PER_DEV *
1396                                         RTE_EVENT_MAX_QUEUES_PER_DEV;
1397                      n++)
1398                         (*data)->links_map[n] =
1399                                 EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
1400         }
1401
1402         return 0;
1403 }
1404
1405 static inline uint8_t
1406 eventdev_find_free_device_index(void)
1407 {
1408         uint8_t dev_id;
1409
1410         for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1411                 if (rte_eventdevs[dev_id].attached ==
1412                                 RTE_EVENTDEV_DETACHED)
1413                         return dev_id;
1414         }
1415         return RTE_EVENT_MAX_DEVS;
1416 }
1417
1418 struct rte_eventdev *
1419 rte_event_pmd_allocate(const char *name, int socket_id)
1420 {
1421         struct rte_eventdev *eventdev;
1422         uint8_t dev_id;
1423
1424         if (rte_event_pmd_get_named_dev(name) != NULL) {
1425                 RTE_EDEV_LOG_ERR("Event device with name %s already "
1426                                 "allocated!", name);
1427                 return NULL;
1428         }
1429
1430         dev_id = eventdev_find_free_device_index();
1431         if (dev_id == RTE_EVENT_MAX_DEVS) {
1432                 RTE_EDEV_LOG_ERR("Reached maximum number of event devices");
1433                 return NULL;
1434         }
1435
1436         eventdev = &rte_eventdevs[dev_id];
1437
1438         if (eventdev->data == NULL) {
1439                 struct rte_eventdev_data *eventdev_data = NULL;
1440
1441                 int retval =
1442                         eventdev_data_alloc(dev_id, &eventdev_data, socket_id);
1443
1444                 if (retval < 0 || eventdev_data == NULL)
1445                         return NULL;
1446
1447                 eventdev->data = eventdev_data;
1448
1449                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1450
1451                         strlcpy(eventdev->data->name, name,
1452                                 RTE_EVENTDEV_NAME_MAX_LEN);
1453
1454                         eventdev->data->dev_id = dev_id;
1455                         eventdev->data->socket_id = socket_id;
1456                         eventdev->data->dev_started = 0;
1457                 }
1458
1459                 eventdev->attached = RTE_EVENTDEV_ATTACHED;
1460                 eventdev_globals.nb_devs++;
1461         }
1462
1463         return eventdev;
1464 }
1465
1466 int
1467 rte_event_pmd_release(struct rte_eventdev *eventdev)
1468 {
1469         int ret;
1470         char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1471         const struct rte_memzone *mz;
1472
1473         if (eventdev == NULL)
1474                 return -EINVAL;
1475
1476         event_dev_fp_ops_reset(rte_event_fp_ops + eventdev->data->dev_id);
1477         eventdev->attached = RTE_EVENTDEV_DETACHED;
1478         eventdev_globals.nb_devs--;
1479
1480         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1481                 rte_free(eventdev->data->dev_private);
1482
1483                 /* Generate memzone name */
1484                 ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
1485                                 eventdev->data->dev_id);
1486                 if (ret >= (int)sizeof(mz_name))
1487                         return -EINVAL;
1488
1489                 mz = rte_memzone_lookup(mz_name);
1490                 if (mz == NULL)
1491                         return -ENOMEM;
1492
1493                 ret = rte_memzone_free(mz);
1494                 if (ret)
1495                         return ret;
1496         }
1497
1498         eventdev->data = NULL;
1499         return 0;
1500 }
1501
1502 void
1503 event_dev_probing_finish(struct rte_eventdev *eventdev)
1504 {
1505         if (eventdev == NULL)
1506                 return;
1507
1508         event_dev_fp_ops_set(rte_event_fp_ops + eventdev->data->dev_id,
1509                              eventdev);
1510 }
1511
1512 static int
1513 handle_dev_list(const char *cmd __rte_unused,
1514                 const char *params __rte_unused,
1515                 struct rte_tel_data *d)
1516 {
1517         uint8_t dev_id;
1518         int ndev = rte_event_dev_count();
1519
1520         if (ndev < 1)
1521                 return -1;
1522
1523         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1524         for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1525                 if (rte_eventdevs[dev_id].attached ==
1526                                 RTE_EVENTDEV_ATTACHED)
1527                         rte_tel_data_add_array_int(d, dev_id);
1528         }
1529
1530         return 0;
1531 }
1532
1533 static int
1534 handle_port_list(const char *cmd __rte_unused,
1535                  const char *params,
1536                  struct rte_tel_data *d)
1537 {
1538         int i;
1539         uint8_t dev_id;
1540         struct rte_eventdev *dev;
1541         char *end_param;
1542
1543         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1544                 return -1;
1545
1546         dev_id = strtoul(params, &end_param, 10);
1547         if (*end_param != '\0')
1548                 RTE_EDEV_LOG_DEBUG(
1549                         "Extra parameters passed to eventdev telemetry command, ignoring");
1550
1551         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1552         dev = &rte_eventdevs[dev_id];
1553
1554         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1555         for (i = 0; i < dev->data->nb_ports; i++)
1556                 rte_tel_data_add_array_int(d, i);
1557
1558         return 0;
1559 }
1560
1561 static int
1562 handle_queue_list(const char *cmd __rte_unused,
1563                   const char *params,
1564                   struct rte_tel_data *d)
1565 {
1566         int i;
1567         uint8_t dev_id;
1568         struct rte_eventdev *dev;
1569         char *end_param;
1570
1571         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1572                 return -1;
1573
1574         dev_id = strtoul(params, &end_param, 10);
1575         if (*end_param != '\0')
1576                 RTE_EDEV_LOG_DEBUG(
1577                         "Extra parameters passed to eventdev telemetry command, ignoring");
1578
1579         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1580         dev = &rte_eventdevs[dev_id];
1581
1582         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1583         for (i = 0; i < dev->data->nb_queues; i++)
1584                 rte_tel_data_add_array_int(d, i);
1585
1586         return 0;
1587 }
1588
1589 static int
1590 handle_queue_links(const char *cmd __rte_unused,
1591                    const char *params,
1592                    struct rte_tel_data *d)
1593 {
1594         int i, ret, port_id = 0;
1595         char *end_param;
1596         uint8_t dev_id;
1597         uint8_t queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
1598         uint8_t priorities[RTE_EVENT_MAX_QUEUES_PER_DEV];
1599         const char *p_param;
1600
1601         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1602                 return -1;
1603
1604         /* Get dev ID from parameter string */
1605         dev_id = strtoul(params, &end_param, 10);
1606         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1607
1608         p_param = strtok(end_param, ",");
1609         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1610                 return -1;
1611
1612         port_id = strtoul(p_param, &end_param, 10);
1613         p_param = strtok(NULL, "\0");
1614         if (p_param != NULL)
1615                 RTE_EDEV_LOG_DEBUG(
1616                         "Extra parameters passed to eventdev telemetry command, ignoring");
1617
1618         ret = rte_event_port_links_get(dev_id, port_id, queues, priorities);
1619         if (ret < 0)
1620                 return -1;
1621
1622         rte_tel_data_start_dict(d);
1623         for (i = 0; i < ret; i++) {
1624                 char qid_name[32];
1625
1626                 snprintf(qid_name, 31, "qid_%u", queues[i]);
1627                 rte_tel_data_add_dict_u64(d, qid_name, priorities[i]);
1628         }
1629
1630         return 0;
1631 }
1632
1633 static int
1634 eventdev_build_telemetry_data(int dev_id,
1635                               enum rte_event_dev_xstats_mode mode,
1636                               int port_queue_id,
1637                               struct rte_tel_data *d)
1638 {
1639         struct rte_event_dev_xstats_name *xstat_names;
1640         unsigned int *ids;
1641         uint64_t *values;
1642         int i, ret, num_xstats;
1643
1644         num_xstats = rte_event_dev_xstats_names_get(dev_id,
1645                                                     mode,
1646                                                     port_queue_id,
1647                                                     NULL,
1648                                                     NULL,
1649                                                     0);
1650
1651         if (num_xstats < 0)
1652                 return -1;
1653
1654         /* use one malloc for names */
1655         xstat_names = malloc((sizeof(struct rte_event_dev_xstats_name))
1656                              * num_xstats);
1657         if (xstat_names == NULL)
1658                 return -1;
1659
1660         ids = malloc((sizeof(unsigned int)) * num_xstats);
1661         if (ids == NULL) {
1662                 free(xstat_names);
1663                 return -1;
1664         }
1665
1666         values = malloc((sizeof(uint64_t)) * num_xstats);
1667         if (values == NULL) {
1668                 free(xstat_names);
1669                 free(ids);
1670                 return -1;
1671         }
1672
1673         ret = rte_event_dev_xstats_names_get(dev_id, mode, port_queue_id,
1674                                              xstat_names, ids, num_xstats);
1675         if (ret < 0 || ret > num_xstats) {
1676                 free(xstat_names);
1677                 free(ids);
1678                 free(values);
1679                 return -1;
1680         }
1681
1682         ret = rte_event_dev_xstats_get(dev_id, mode, port_queue_id,
1683                                        ids, values, num_xstats);
1684         if (ret < 0 || ret > num_xstats) {
1685                 free(xstat_names);
1686                 free(ids);
1687                 free(values);
1688                 return -1;
1689         }
1690
1691         rte_tel_data_start_dict(d);
1692         for (i = 0; i < num_xstats; i++)
1693                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
1694                                           values[i]);
1695
1696         free(xstat_names);
1697         free(ids);
1698         free(values);
1699         return 0;
1700 }
1701
1702 static int
1703 handle_dev_xstats(const char *cmd __rte_unused,
1704                   const char *params,
1705                   struct rte_tel_data *d)
1706 {
1707         int dev_id;
1708         enum rte_event_dev_xstats_mode mode;
1709         char *end_param;
1710
1711         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1712                 return -1;
1713
1714         /* Get dev ID from parameter string */
1715         dev_id = strtoul(params, &end_param, 10);
1716         if (*end_param != '\0')
1717                 RTE_EDEV_LOG_DEBUG(
1718                         "Extra parameters passed to eventdev telemetry command, ignoring");
1719
1720         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1721
1722         mode = RTE_EVENT_DEV_XSTATS_DEVICE;
1723         return eventdev_build_telemetry_data(dev_id, mode, 0, d);
1724 }
1725
1726 static int
1727 handle_port_xstats(const char *cmd __rte_unused,
1728                    const char *params,
1729                    struct rte_tel_data *d)
1730 {
1731         int dev_id;
1732         int port_queue_id = 0;
1733         enum rte_event_dev_xstats_mode mode;
1734         char *end_param;
1735         const char *p_param;
1736
1737         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1738                 return -1;
1739
1740         /* Get dev ID from parameter string */
1741         dev_id = strtoul(params, &end_param, 10);
1742         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1743
1744         p_param = strtok(end_param, ",");
1745         mode = RTE_EVENT_DEV_XSTATS_PORT;
1746
1747         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1748                 return -1;
1749
1750         port_queue_id = strtoul(p_param, &end_param, 10);
1751
1752         p_param = strtok(NULL, "\0");
1753         if (p_param != NULL)
1754                 RTE_EDEV_LOG_DEBUG(
1755                         "Extra parameters passed to eventdev telemetry command, ignoring");
1756
1757         return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d);
1758 }
1759
1760 static int
1761 handle_queue_xstats(const char *cmd __rte_unused,
1762                     const char *params,
1763                     struct rte_tel_data *d)
1764 {
1765         int dev_id;
1766         int port_queue_id = 0;
1767         enum rte_event_dev_xstats_mode mode;
1768         char *end_param;
1769         const char *p_param;
1770
1771         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1772                 return -1;
1773
1774         /* Get dev ID from parameter string */
1775         dev_id = strtoul(params, &end_param, 10);
1776         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1777
1778         p_param = strtok(end_param, ",");
1779         mode = RTE_EVENT_DEV_XSTATS_QUEUE;
1780
1781         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1782                 return -1;
1783
1784         port_queue_id = strtoul(p_param, &end_param, 10);
1785
1786         p_param = strtok(NULL, "\0");
1787         if (p_param != NULL)
1788                 RTE_EDEV_LOG_DEBUG(
1789                         "Extra parameters passed to eventdev telemetry command, ignoring");
1790
1791         return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d);
1792 }
1793
1794 RTE_INIT(eventdev_init_telemetry)
1795 {
1796         rte_telemetry_register_cmd("/eventdev/dev_list", handle_dev_list,
1797                         "Returns list of available eventdevs. Takes no parameters");
1798         rte_telemetry_register_cmd("/eventdev/port_list", handle_port_list,
1799                         "Returns list of available ports. Parameter: DevID");
1800         rte_telemetry_register_cmd("/eventdev/queue_list", handle_queue_list,
1801                         "Returns list of available queues. Parameter: DevID");
1802
1803         rte_telemetry_register_cmd("/eventdev/dev_xstats", handle_dev_xstats,
1804                         "Returns stats for an eventdev. Parameter: DevID");
1805         rte_telemetry_register_cmd("/eventdev/port_xstats", handle_port_xstats,
1806                         "Returns stats for an eventdev port. Params: DevID,PortID");
1807         rte_telemetry_register_cmd("/eventdev/queue_xstats",
1808                         handle_queue_xstats,
1809                         "Returns stats for an eventdev queue. Params: DevID,QueueID");
1810         rte_telemetry_register_cmd("/eventdev/queue_links", handle_queue_links,
1811                         "Returns links for an eventdev port. Params: DevID,QueueID");
1812 }