net/mlx5: fix using flow tunnel before null check
[dpdk.git] / lib / librte_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 <stdarg.h>
10 #include <errno.h>
11 #include <stdint.h>
12 #include <inttypes.h>
13 #include <sys/types.h>
14 #include <sys/queue.h>
15
16 #include <rte_string_fns.h>
17 #include <rte_byteorder.h>
18 #include <rte_log.h>
19 #include <rte_debug.h>
20 #include <rte_dev.h>
21 #include <rte_memory.h>
22 #include <rte_memcpy.h>
23 #include <rte_memzone.h>
24 #include <rte_eal.h>
25 #include <rte_per_lcore.h>
26 #include <rte_lcore.h>
27 #include <rte_atomic.h>
28 #include <rte_branch_prediction.h>
29 #include <rte_common.h>
30 #include <rte_malloc.h>
31 #include <rte_errno.h>
32 #include <rte_ethdev.h>
33 #include <rte_cryptodev.h>
34 #include <rte_cryptodev_pmd.h>
35 #include <rte_telemetry.h>
36
37 #include "rte_eventdev.h"
38 #include "eventdev_pmd.h"
39 #include "rte_eventdev_trace.h"
40
41 static struct rte_eventdev rte_event_devices[RTE_EVENT_MAX_DEVS];
42
43 struct rte_eventdev *rte_eventdevs = rte_event_devices;
44
45 static struct rte_eventdev_global eventdev_globals = {
46         .nb_devs                = 0
47 };
48
49 /* Event dev north bound API implementation */
50
51 uint8_t
52 rte_event_dev_count(void)
53 {
54         return eventdev_globals.nb_devs;
55 }
56
57 int
58 rte_event_dev_get_dev_id(const char *name)
59 {
60         int i;
61         uint8_t cmp;
62
63         if (!name)
64                 return -EINVAL;
65
66         for (i = 0; i < eventdev_globals.nb_devs; i++) {
67                 cmp = (strncmp(rte_event_devices[i].data->name, name,
68                                 RTE_EVENTDEV_NAME_MAX_LEN) == 0) ||
69                         (rte_event_devices[i].dev ? (strncmp(
70                                 rte_event_devices[i].dev->driver->name, name,
71                                          RTE_EVENTDEV_NAME_MAX_LEN) == 0) : 0);
72                 if (cmp && (rte_event_devices[i].attached ==
73                                         RTE_EVENTDEV_ATTACHED))
74                         return i;
75         }
76         return -ENODEV;
77 }
78
79 int
80 rte_event_dev_socket_id(uint8_t dev_id)
81 {
82         struct rte_eventdev *dev;
83
84         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
85         dev = &rte_eventdevs[dev_id];
86
87         return dev->data->socket_id;
88 }
89
90 int
91 rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info)
92 {
93         struct rte_eventdev *dev;
94
95         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
96         dev = &rte_eventdevs[dev_id];
97
98         if (dev_info == NULL)
99                 return -EINVAL;
100
101         memset(dev_info, 0, sizeof(struct rte_event_dev_info));
102
103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
104         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
105
106         dev_info->dequeue_timeout_ns = dev->data->dev_conf.dequeue_timeout_ns;
107
108         dev_info->dev = dev->dev;
109         return 0;
110 }
111
112 int
113 rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
114                                 uint32_t *caps)
115 {
116         struct rte_eventdev *dev;
117
118         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
119         RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
120
121         dev = &rte_eventdevs[dev_id];
122
123         if (caps == NULL)
124                 return -EINVAL;
125         *caps = 0;
126
127         return dev->dev_ops->eth_rx_adapter_caps_get ?
128                                 (*dev->dev_ops->eth_rx_adapter_caps_get)(dev,
129                                                 &rte_eth_devices[eth_port_id],
130                                                 caps)
131                                 : 0;
132 }
133
134 int
135 rte_event_timer_adapter_caps_get(uint8_t dev_id, uint32_t *caps)
136 {
137         struct rte_eventdev *dev;
138         const struct rte_event_timer_adapter_ops *ops;
139
140         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
141
142         dev = &rte_eventdevs[dev_id];
143
144         if (caps == NULL)
145                 return -EINVAL;
146         *caps = 0;
147
148         return dev->dev_ops->timer_adapter_caps_get ?
149                                 (*dev->dev_ops->timer_adapter_caps_get)(dev,
150                                                                         0,
151                                                                         caps,
152                                                                         &ops)
153                                 : 0;
154 }
155
156 int
157 rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
158                                   uint32_t *caps)
159 {
160         struct rte_eventdev *dev;
161         struct rte_cryptodev *cdev;
162
163         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
164         if (!rte_cryptodev_pmd_is_valid_dev(cdev_id))
165                 return -EINVAL;
166
167         dev = &rte_eventdevs[dev_id];
168         cdev = rte_cryptodev_pmd_get_dev(cdev_id);
169
170         if (caps == NULL)
171                 return -EINVAL;
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) : -ENOTSUP;
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         *caps = 0;
196
197         return dev->dev_ops->eth_tx_adapter_caps_get ?
198                         (*dev->dev_ops->eth_tx_adapter_caps_get)(dev,
199                                                                 eth_dev,
200                                                                 caps)
201                         : 0;
202 }
203
204 static inline int
205 rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
206 {
207         uint8_t old_nb_queues = dev->data->nb_queues;
208         struct rte_event_queue_conf *queues_cfg;
209         unsigned int i;
210
211         RTE_EDEV_LOG_DEBUG("Setup %d queues on device %u", nb_queues,
212                          dev->data->dev_id);
213
214         /* First time configuration */
215         if (dev->data->queues_cfg == NULL && nb_queues != 0) {
216                 /* Allocate memory to store queue configuration */
217                 dev->data->queues_cfg = rte_zmalloc_socket(
218                                 "eventdev->data->queues_cfg",
219                                 sizeof(dev->data->queues_cfg[0]) * nb_queues,
220                                 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
221                 if (dev->data->queues_cfg == NULL) {
222                         dev->data->nb_queues = 0;
223                         RTE_EDEV_LOG_ERR("failed to get mem for queue cfg,"
224                                         "nb_queues %u", nb_queues);
225                         return -(ENOMEM);
226                 }
227         /* Re-configure */
228         } else if (dev->data->queues_cfg != NULL && nb_queues != 0) {
229                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
230
231                 for (i = nb_queues; i < old_nb_queues; i++)
232                         (*dev->dev_ops->queue_release)(dev, i);
233
234                 /* Re allocate memory to store queue configuration */
235                 queues_cfg = dev->data->queues_cfg;
236                 queues_cfg = rte_realloc(queues_cfg,
237                                 sizeof(queues_cfg[0]) * nb_queues,
238                                 RTE_CACHE_LINE_SIZE);
239                 if (queues_cfg == NULL) {
240                         RTE_EDEV_LOG_ERR("failed to realloc queue cfg memory,"
241                                                 " nb_queues %u", nb_queues);
242                         return -(ENOMEM);
243                 }
244                 dev->data->queues_cfg = queues_cfg;
245
246                 if (nb_queues > old_nb_queues) {
247                         uint8_t new_qs = nb_queues - old_nb_queues;
248
249                         memset(queues_cfg + old_nb_queues, 0,
250                                 sizeof(queues_cfg[0]) * new_qs);
251                 }
252         } else if (dev->data->queues_cfg != NULL && nb_queues == 0) {
253                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
254
255                 for (i = nb_queues; i < old_nb_queues; i++)
256                         (*dev->dev_ops->queue_release)(dev, i);
257         }
258
259         dev->data->nb_queues = nb_queues;
260         return 0;
261 }
262
263 #define EVENT_QUEUE_SERVICE_PRIORITY_INVALID (0xdead)
264
265 static inline int
266 rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t nb_ports)
267 {
268         uint8_t old_nb_ports = dev->data->nb_ports;
269         void **ports;
270         uint16_t *links_map;
271         struct rte_event_port_conf *ports_cfg;
272         unsigned int i;
273
274         RTE_EDEV_LOG_DEBUG("Setup %d ports on device %u", nb_ports,
275                          dev->data->dev_id);
276
277         /* First time configuration */
278         if (dev->data->ports == NULL && nb_ports != 0) {
279                 dev->data->ports = rte_zmalloc_socket("eventdev->data->ports",
280                                 sizeof(dev->data->ports[0]) * nb_ports,
281                                 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
282                 if (dev->data->ports == NULL) {
283                         dev->data->nb_ports = 0;
284                         RTE_EDEV_LOG_ERR("failed to get mem for port meta data,"
285                                         "nb_ports %u", nb_ports);
286                         return -(ENOMEM);
287                 }
288
289                 /* Allocate memory to store port configurations */
290                 dev->data->ports_cfg =
291                         rte_zmalloc_socket("eventdev->ports_cfg",
292                         sizeof(dev->data->ports_cfg[0]) * nb_ports,
293                         RTE_CACHE_LINE_SIZE, dev->data->socket_id);
294                 if (dev->data->ports_cfg == NULL) {
295                         dev->data->nb_ports = 0;
296                         RTE_EDEV_LOG_ERR("failed to get mem for port cfg,"
297                                         "nb_ports %u", nb_ports);
298                         return -(ENOMEM);
299                 }
300
301                 /* Allocate memory to store queue to port link connection */
302                 dev->data->links_map =
303                         rte_zmalloc_socket("eventdev->links_map",
304                         sizeof(dev->data->links_map[0]) * nb_ports *
305                         RTE_EVENT_MAX_QUEUES_PER_DEV,
306                         RTE_CACHE_LINE_SIZE, dev->data->socket_id);
307                 if (dev->data->links_map == NULL) {
308                         dev->data->nb_ports = 0;
309                         RTE_EDEV_LOG_ERR("failed to get mem for port_map area,"
310                                         "nb_ports %u", nb_ports);
311                         return -(ENOMEM);
312                 }
313                 for (i = 0; i < nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV; i++)
314                         dev->data->links_map[i] =
315                                 EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
316         } else if (dev->data->ports != NULL && nb_ports != 0) {/* re-config */
317                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
318
319                 ports = dev->data->ports;
320                 ports_cfg = dev->data->ports_cfg;
321                 links_map = dev->data->links_map;
322
323                 for (i = nb_ports; i < old_nb_ports; i++)
324                         (*dev->dev_ops->port_release)(ports[i]);
325
326                 /* Realloc memory for ports */
327                 ports = rte_realloc(ports, sizeof(ports[0]) * nb_ports,
328                                 RTE_CACHE_LINE_SIZE);
329                 if (ports == NULL) {
330                         RTE_EDEV_LOG_ERR("failed to realloc port meta data,"
331                                                 " nb_ports %u", nb_ports);
332                         return -(ENOMEM);
333                 }
334
335                 /* Realloc memory for ports_cfg */
336                 ports_cfg = rte_realloc(ports_cfg,
337                         sizeof(ports_cfg[0]) * nb_ports,
338                         RTE_CACHE_LINE_SIZE);
339                 if (ports_cfg == NULL) {
340                         RTE_EDEV_LOG_ERR("failed to realloc port cfg mem,"
341                                                 " nb_ports %u", nb_ports);
342                         return -(ENOMEM);
343                 }
344
345                 /* Realloc memory to store queue to port link connection */
346                 links_map = rte_realloc(links_map,
347                         sizeof(dev->data->links_map[0]) * nb_ports *
348                         RTE_EVENT_MAX_QUEUES_PER_DEV,
349                         RTE_CACHE_LINE_SIZE);
350                 if (links_map == NULL) {
351                         dev->data->nb_ports = 0;
352                         RTE_EDEV_LOG_ERR("failed to realloc mem for port_map,"
353                                         "nb_ports %u", nb_ports);
354                         return -(ENOMEM);
355                 }
356
357                 if (nb_ports > old_nb_ports) {
358                         uint8_t new_ps = nb_ports - old_nb_ports;
359                         unsigned int old_links_map_end =
360                                 old_nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
361                         unsigned int links_map_end =
362                                 nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
363
364                         memset(ports + old_nb_ports, 0,
365                                 sizeof(ports[0]) * new_ps);
366                         memset(ports_cfg + old_nb_ports, 0,
367                                 sizeof(ports_cfg[0]) * new_ps);
368                         for (i = old_links_map_end; i < links_map_end; i++)
369                                 links_map[i] =
370                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
371                 }
372
373                 dev->data->ports = ports;
374                 dev->data->ports_cfg = ports_cfg;
375                 dev->data->links_map = links_map;
376         } else if (dev->data->ports != NULL && nb_ports == 0) {
377                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
378
379                 ports = dev->data->ports;
380                 for (i = nb_ports; i < old_nb_ports; i++)
381                         (*dev->dev_ops->port_release)(ports[i]);
382         }
383
384         dev->data->nb_ports = nb_ports;
385         return 0;
386 }
387
388 int
389 rte_event_dev_configure(uint8_t dev_id,
390                         const struct rte_event_dev_config *dev_conf)
391 {
392         struct rte_eventdev *dev;
393         struct rte_event_dev_info info;
394         int diag;
395
396         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
397         dev = &rte_eventdevs[dev_id];
398
399         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
400         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
401
402         if (dev->data->dev_started) {
403                 RTE_EDEV_LOG_ERR(
404                     "device %d must be stopped to allow configuration", dev_id);
405                 return -EBUSY;
406         }
407
408         if (dev_conf == NULL)
409                 return -EINVAL;
410
411         (*dev->dev_ops->dev_infos_get)(dev, &info);
412
413         /* Check dequeue_timeout_ns value is in limit */
414         if (!(dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)) {
415                 if (dev_conf->dequeue_timeout_ns &&
416                     (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
417                         || dev_conf->dequeue_timeout_ns >
418                                  info.max_dequeue_timeout_ns)) {
419                         RTE_EDEV_LOG_ERR("dev%d invalid dequeue_timeout_ns=%d"
420                         " min_dequeue_timeout_ns=%d max_dequeue_timeout_ns=%d",
421                         dev_id, dev_conf->dequeue_timeout_ns,
422                         info.min_dequeue_timeout_ns,
423                         info.max_dequeue_timeout_ns);
424                         return -EINVAL;
425                 }
426         }
427
428         /* Check nb_events_limit is in limit */
429         if (dev_conf->nb_events_limit > info.max_num_events) {
430                 RTE_EDEV_LOG_ERR("dev%d nb_events_limit=%d > max_num_events=%d",
431                 dev_id, dev_conf->nb_events_limit, info.max_num_events);
432                 return -EINVAL;
433         }
434
435         /* Check nb_event_queues is in limit */
436         if (!dev_conf->nb_event_queues) {
437                 RTE_EDEV_LOG_ERR("dev%d nb_event_queues cannot be zero",
438                                         dev_id);
439                 return -EINVAL;
440         }
441         if (dev_conf->nb_event_queues > info.max_event_queues +
442                         info.max_single_link_event_port_queue_pairs) {
443                 RTE_EDEV_LOG_ERR("%d nb_event_queues=%d > max_event_queues=%d + max_single_link_event_port_queue_pairs=%d",
444                                  dev_id, dev_conf->nb_event_queues,
445                                  info.max_event_queues,
446                                  info.max_single_link_event_port_queue_pairs);
447                 return -EINVAL;
448         }
449         if (dev_conf->nb_event_queues -
450                         dev_conf->nb_single_link_event_port_queues >
451                         info.max_event_queues) {
452                 RTE_EDEV_LOG_ERR("id%d nb_event_queues=%d - nb_single_link_event_port_queues=%d > max_event_queues=%d",
453                                  dev_id, dev_conf->nb_event_queues,
454                                  dev_conf->nb_single_link_event_port_queues,
455                                  info.max_event_queues);
456                 return -EINVAL;
457         }
458         if (dev_conf->nb_single_link_event_port_queues >
459                         dev_conf->nb_event_queues) {
460                 RTE_EDEV_LOG_ERR("dev%d nb_single_link_event_port_queues=%d > nb_event_queues=%d",
461                                  dev_id,
462                                  dev_conf->nb_single_link_event_port_queues,
463                                  dev_conf->nb_event_queues);
464                 return -EINVAL;
465         }
466
467         /* Check nb_event_ports is in limit */
468         if (!dev_conf->nb_event_ports) {
469                 RTE_EDEV_LOG_ERR("dev%d nb_event_ports cannot be zero", dev_id);
470                 return -EINVAL;
471         }
472         if (dev_conf->nb_event_ports > info.max_event_ports +
473                         info.max_single_link_event_port_queue_pairs) {
474                 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d > max_event_ports=%d + max_single_link_event_port_queue_pairs=%d",
475                                  dev_id, dev_conf->nb_event_ports,
476                                  info.max_event_ports,
477                                  info.max_single_link_event_port_queue_pairs);
478                 return -EINVAL;
479         }
480         if (dev_conf->nb_event_ports -
481                         dev_conf->nb_single_link_event_port_queues
482                         > info.max_event_ports) {
483                 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d - nb_single_link_event_port_queues=%d > max_event_ports=%d",
484                                  dev_id, dev_conf->nb_event_ports,
485                                  dev_conf->nb_single_link_event_port_queues,
486                                  info.max_event_ports);
487                 return -EINVAL;
488         }
489
490         if (dev_conf->nb_single_link_event_port_queues >
491             dev_conf->nb_event_ports) {
492                 RTE_EDEV_LOG_ERR(
493                                  "dev%d nb_single_link_event_port_queues=%d > nb_event_ports=%d",
494                                  dev_id,
495                                  dev_conf->nb_single_link_event_port_queues,
496                                  dev_conf->nb_event_ports);
497                 return -EINVAL;
498         }
499
500         /* Check nb_event_queue_flows is in limit */
501         if (!dev_conf->nb_event_queue_flows) {
502                 RTE_EDEV_LOG_ERR("dev%d nb_flows cannot be zero", dev_id);
503                 return -EINVAL;
504         }
505         if (dev_conf->nb_event_queue_flows > info.max_event_queue_flows) {
506                 RTE_EDEV_LOG_ERR("dev%d nb_flows=%x > max_flows=%x",
507                 dev_id, dev_conf->nb_event_queue_flows,
508                 info.max_event_queue_flows);
509                 return -EINVAL;
510         }
511
512         /* Check nb_event_port_dequeue_depth is in limit */
513         if (!dev_conf->nb_event_port_dequeue_depth) {
514                 RTE_EDEV_LOG_ERR("dev%d nb_dequeue_depth cannot be zero",
515                                         dev_id);
516                 return -EINVAL;
517         }
518         if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
519                  (dev_conf->nb_event_port_dequeue_depth >
520                          info.max_event_port_dequeue_depth)) {
521                 RTE_EDEV_LOG_ERR("dev%d nb_dq_depth=%d > max_dq_depth=%d",
522                 dev_id, dev_conf->nb_event_port_dequeue_depth,
523                 info.max_event_port_dequeue_depth);
524                 return -EINVAL;
525         }
526
527         /* Check nb_event_port_enqueue_depth is in limit */
528         if (!dev_conf->nb_event_port_enqueue_depth) {
529                 RTE_EDEV_LOG_ERR("dev%d nb_enqueue_depth cannot be zero",
530                                         dev_id);
531                 return -EINVAL;
532         }
533         if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
534                 (dev_conf->nb_event_port_enqueue_depth >
535                          info.max_event_port_enqueue_depth)) {
536                 RTE_EDEV_LOG_ERR("dev%d nb_enq_depth=%d > max_enq_depth=%d",
537                 dev_id, dev_conf->nb_event_port_enqueue_depth,
538                 info.max_event_port_enqueue_depth);
539                 return -EINVAL;
540         }
541
542         /* Copy the dev_conf parameter into the dev structure */
543         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
544
545         /* Setup new number of queues and reconfigure device. */
546         diag = rte_event_dev_queue_config(dev, dev_conf->nb_event_queues);
547         if (diag != 0) {
548                 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_queue_config = %d",
549                                 dev_id, diag);
550                 return diag;
551         }
552
553         /* Setup new number of ports and reconfigure device. */
554         diag = rte_event_dev_port_config(dev, dev_conf->nb_event_ports);
555         if (diag != 0) {
556                 rte_event_dev_queue_config(dev, 0);
557                 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_port_config = %d",
558                                 dev_id, diag);
559                 return diag;
560         }
561
562         /* Configure the device */
563         diag = (*dev->dev_ops->dev_configure)(dev);
564         if (diag != 0) {
565                 RTE_EDEV_LOG_ERR("dev%d dev_configure = %d", dev_id, diag);
566                 rte_event_dev_queue_config(dev, 0);
567                 rte_event_dev_port_config(dev, 0);
568         }
569
570         dev->data->event_dev_cap = info.event_dev_cap;
571         rte_eventdev_trace_configure(dev_id, dev_conf, diag);
572         return diag;
573 }
574
575 static inline int
576 is_valid_queue(struct rte_eventdev *dev, uint8_t queue_id)
577 {
578         if (queue_id < dev->data->nb_queues && queue_id <
579                                 RTE_EVENT_MAX_QUEUES_PER_DEV)
580                 return 1;
581         else
582                 return 0;
583 }
584
585 int
586 rte_event_queue_default_conf_get(uint8_t dev_id, uint8_t queue_id,
587                                  struct rte_event_queue_conf *queue_conf)
588 {
589         struct rte_eventdev *dev;
590
591         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
592         dev = &rte_eventdevs[dev_id];
593
594         if (queue_conf == NULL)
595                 return -EINVAL;
596
597         if (!is_valid_queue(dev, queue_id)) {
598                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
599                 return -EINVAL;
600         }
601
602         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
603         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
604         (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf);
605         return 0;
606 }
607
608 static inline int
609 is_valid_atomic_queue_conf(const struct rte_event_queue_conf *queue_conf)
610 {
611         if (queue_conf &&
612                 !(queue_conf->event_queue_cfg &
613                   RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
614                 ((queue_conf->event_queue_cfg &
615                          RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
616                 (queue_conf->schedule_type
617                         == RTE_SCHED_TYPE_ATOMIC)
618                 ))
619                 return 1;
620         else
621                 return 0;
622 }
623
624 static inline int
625 is_valid_ordered_queue_conf(const struct rte_event_queue_conf *queue_conf)
626 {
627         if (queue_conf &&
628                 !(queue_conf->event_queue_cfg &
629                   RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
630                 ((queue_conf->event_queue_cfg &
631                          RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
632                 (queue_conf->schedule_type
633                         == RTE_SCHED_TYPE_ORDERED)
634                 ))
635                 return 1;
636         else
637                 return 0;
638 }
639
640
641 int
642 rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
643                       const struct rte_event_queue_conf *queue_conf)
644 {
645         struct rte_eventdev *dev;
646         struct rte_event_queue_conf def_conf;
647
648         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
649         dev = &rte_eventdevs[dev_id];
650
651         if (!is_valid_queue(dev, queue_id)) {
652                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
653                 return -EINVAL;
654         }
655
656         /* Check nb_atomic_flows limit */
657         if (is_valid_atomic_queue_conf(queue_conf)) {
658                 if (queue_conf->nb_atomic_flows == 0 ||
659                     queue_conf->nb_atomic_flows >
660                         dev->data->dev_conf.nb_event_queue_flows) {
661                         RTE_EDEV_LOG_ERR(
662                 "dev%d queue%d Invalid nb_atomic_flows=%d max_flows=%d",
663                         dev_id, queue_id, queue_conf->nb_atomic_flows,
664                         dev->data->dev_conf.nb_event_queue_flows);
665                         return -EINVAL;
666                 }
667         }
668
669         /* Check nb_atomic_order_sequences limit */
670         if (is_valid_ordered_queue_conf(queue_conf)) {
671                 if (queue_conf->nb_atomic_order_sequences == 0 ||
672                     queue_conf->nb_atomic_order_sequences >
673                         dev->data->dev_conf.nb_event_queue_flows) {
674                         RTE_EDEV_LOG_ERR(
675                 "dev%d queue%d Invalid nb_atomic_order_seq=%d max_flows=%d",
676                         dev_id, queue_id, queue_conf->nb_atomic_order_sequences,
677                         dev->data->dev_conf.nb_event_queue_flows);
678                         return -EINVAL;
679                 }
680         }
681
682         if (dev->data->dev_started) {
683                 RTE_EDEV_LOG_ERR(
684                     "device %d must be stopped to allow queue setup", dev_id);
685                 return -EBUSY;
686         }
687
688         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
689
690         if (queue_conf == NULL) {
691                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf,
692                                         -ENOTSUP);
693                 (*dev->dev_ops->queue_def_conf)(dev, queue_id, &def_conf);
694                 queue_conf = &def_conf;
695         }
696
697         dev->data->queues_cfg[queue_id] = *queue_conf;
698         rte_eventdev_trace_queue_setup(dev_id, queue_id, queue_conf);
699         return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
700 }
701
702 static inline int
703 is_valid_port(struct rte_eventdev *dev, uint8_t port_id)
704 {
705         if (port_id < dev->data->nb_ports)
706                 return 1;
707         else
708                 return 0;
709 }
710
711 int
712 rte_event_port_default_conf_get(uint8_t dev_id, uint8_t port_id,
713                                  struct rte_event_port_conf *port_conf)
714 {
715         struct rte_eventdev *dev;
716
717         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
718         dev = &rte_eventdevs[dev_id];
719
720         if (port_conf == NULL)
721                 return -EINVAL;
722
723         if (!is_valid_port(dev, port_id)) {
724                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
725                 return -EINVAL;
726         }
727
728         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf, -ENOTSUP);
729         memset(port_conf, 0, sizeof(struct rte_event_port_conf));
730         (*dev->dev_ops->port_def_conf)(dev, port_id, port_conf);
731         return 0;
732 }
733
734 int
735 rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
736                      const struct rte_event_port_conf *port_conf)
737 {
738         struct rte_eventdev *dev;
739         struct rte_event_port_conf def_conf;
740         int diag;
741
742         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
743         dev = &rte_eventdevs[dev_id];
744
745         if (!is_valid_port(dev, port_id)) {
746                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
747                 return -EINVAL;
748         }
749
750         /* Check new_event_threshold limit */
751         if ((port_conf && !port_conf->new_event_threshold) ||
752                         (port_conf && port_conf->new_event_threshold >
753                                  dev->data->dev_conf.nb_events_limit)) {
754                 RTE_EDEV_LOG_ERR(
755                    "dev%d port%d Invalid event_threshold=%d nb_events_limit=%d",
756                         dev_id, port_id, port_conf->new_event_threshold,
757                         dev->data->dev_conf.nb_events_limit);
758                 return -EINVAL;
759         }
760
761         /* Check dequeue_depth limit */
762         if ((port_conf && !port_conf->dequeue_depth) ||
763                         (port_conf && port_conf->dequeue_depth >
764                 dev->data->dev_conf.nb_event_port_dequeue_depth)) {
765                 RTE_EDEV_LOG_ERR(
766                    "dev%d port%d Invalid dequeue depth=%d max_dequeue_depth=%d",
767                         dev_id, port_id, port_conf->dequeue_depth,
768                         dev->data->dev_conf.nb_event_port_dequeue_depth);
769                 return -EINVAL;
770         }
771
772         /* Check enqueue_depth limit */
773         if ((port_conf && !port_conf->enqueue_depth) ||
774                         (port_conf && port_conf->enqueue_depth >
775                 dev->data->dev_conf.nb_event_port_enqueue_depth)) {
776                 RTE_EDEV_LOG_ERR(
777                    "dev%d port%d Invalid enqueue depth=%d max_enqueue_depth=%d",
778                         dev_id, port_id, port_conf->enqueue_depth,
779                         dev->data->dev_conf.nb_event_port_enqueue_depth);
780                 return -EINVAL;
781         }
782
783         if (port_conf &&
784             (port_conf->event_port_cfg & RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL) &&
785             !(dev->data->event_dev_cap &
786               RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE)) {
787                 RTE_EDEV_LOG_ERR(
788                    "dev%d port%d Implicit release disable not supported",
789                         dev_id, port_id);
790                 return -EINVAL;
791         }
792
793         if (dev->data->dev_started) {
794                 RTE_EDEV_LOG_ERR(
795                     "device %d must be stopped to allow port setup", dev_id);
796                 return -EBUSY;
797         }
798
799         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_setup, -ENOTSUP);
800
801         if (port_conf == NULL) {
802                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf,
803                                         -ENOTSUP);
804                 (*dev->dev_ops->port_def_conf)(dev, port_id, &def_conf);
805                 port_conf = &def_conf;
806         }
807
808         dev->data->ports_cfg[port_id] = *port_conf;
809
810         diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
811
812         /* Unlink all the queues from this port(default state after setup) */
813         if (!diag)
814                 diag = rte_event_port_unlink(dev_id, port_id, NULL, 0);
815
816         rte_eventdev_trace_port_setup(dev_id, port_id, port_conf, diag);
817         if (diag < 0)
818                 return diag;
819
820         return 0;
821 }
822
823 int
824 rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
825                        uint32_t *attr_value)
826 {
827         struct rte_eventdev *dev;
828
829         if (!attr_value)
830                 return -EINVAL;
831         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
832         dev = &rte_eventdevs[dev_id];
833
834         switch (attr_id) {
835         case RTE_EVENT_DEV_ATTR_PORT_COUNT:
836                 *attr_value = dev->data->nb_ports;
837                 break;
838         case RTE_EVENT_DEV_ATTR_QUEUE_COUNT:
839                 *attr_value = dev->data->nb_queues;
840                 break;
841         case RTE_EVENT_DEV_ATTR_STARTED:
842                 *attr_value = dev->data->dev_started;
843                 break;
844         default:
845                 return -EINVAL;
846         }
847
848         return 0;
849 }
850
851 int
852 rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
853                         uint32_t *attr_value)
854 {
855         struct rte_eventdev *dev;
856
857         if (!attr_value)
858                 return -EINVAL;
859
860         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
861         dev = &rte_eventdevs[dev_id];
862         if (!is_valid_port(dev, port_id)) {
863                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
864                 return -EINVAL;
865         }
866
867         switch (attr_id) {
868         case RTE_EVENT_PORT_ATTR_ENQ_DEPTH:
869                 *attr_value = dev->data->ports_cfg[port_id].enqueue_depth;
870                 break;
871         case RTE_EVENT_PORT_ATTR_DEQ_DEPTH:
872                 *attr_value = dev->data->ports_cfg[port_id].dequeue_depth;
873                 break;
874         case RTE_EVENT_PORT_ATTR_NEW_EVENT_THRESHOLD:
875                 *attr_value = dev->data->ports_cfg[port_id].new_event_threshold;
876                 break;
877         case RTE_EVENT_PORT_ATTR_IMPLICIT_RELEASE_DISABLE:
878         {
879                 uint32_t config;
880
881                 config = dev->data->ports_cfg[port_id].event_port_cfg;
882                 *attr_value = !!(config & RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL);
883                 break;
884         }
885         default:
886                 return -EINVAL;
887         };
888         return 0;
889 }
890
891 int
892 rte_event_queue_attr_get(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id,
893                         uint32_t *attr_value)
894 {
895         struct rte_event_queue_conf *conf;
896         struct rte_eventdev *dev;
897
898         if (!attr_value)
899                 return -EINVAL;
900
901         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
902         dev = &rte_eventdevs[dev_id];
903         if (!is_valid_queue(dev, queue_id)) {
904                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
905                 return -EINVAL;
906         }
907
908         conf = &dev->data->queues_cfg[queue_id];
909
910         switch (attr_id) {
911         case RTE_EVENT_QUEUE_ATTR_PRIORITY:
912                 *attr_value = RTE_EVENT_DEV_PRIORITY_NORMAL;
913                 if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
914                         *attr_value = conf->priority;
915                 break;
916         case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_FLOWS:
917                 *attr_value = conf->nb_atomic_flows;
918                 break;
919         case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_ORDER_SEQUENCES:
920                 *attr_value = conf->nb_atomic_order_sequences;
921                 break;
922         case RTE_EVENT_QUEUE_ATTR_EVENT_QUEUE_CFG:
923                 *attr_value = conf->event_queue_cfg;
924                 break;
925         case RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE:
926                 if (conf->event_queue_cfg & RTE_EVENT_QUEUE_CFG_ALL_TYPES)
927                         return -EOVERFLOW;
928
929                 *attr_value = conf->schedule_type;
930                 break;
931         default:
932                 return -EINVAL;
933         };
934         return 0;
935 }
936
937 int
938 rte_event_port_link(uint8_t dev_id, uint8_t port_id,
939                     const uint8_t queues[], const uint8_t priorities[],
940                     uint16_t nb_links)
941 {
942         struct rte_eventdev *dev;
943         uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
944         uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
945         uint16_t *links_map;
946         int i, diag;
947
948         RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0);
949         dev = &rte_eventdevs[dev_id];
950
951         if (*dev->dev_ops->port_link == NULL) {
952                 RTE_EDEV_LOG_ERR("Function not supported\n");
953                 rte_errno = ENOTSUP;
954                 return 0;
955         }
956
957         if (!is_valid_port(dev, port_id)) {
958                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
959                 rte_errno = EINVAL;
960                 return 0;
961         }
962
963         if (queues == NULL) {
964                 for (i = 0; i < dev->data->nb_queues; i++)
965                         queues_list[i] = i;
966
967                 queues = queues_list;
968                 nb_links = dev->data->nb_queues;
969         }
970
971         if (priorities == NULL) {
972                 for (i = 0; i < nb_links; i++)
973                         priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
974
975                 priorities = priorities_list;
976         }
977
978         for (i = 0; i < nb_links; i++)
979                 if (queues[i] >= dev->data->nb_queues) {
980                         rte_errno = EINVAL;
981                         return 0;
982                 }
983
984         diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id],
985                                                 queues, priorities, nb_links);
986         if (diag < 0)
987                 return diag;
988
989         links_map = dev->data->links_map;
990         /* Point links_map to this port specific area */
991         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
992         for (i = 0; i < diag; i++)
993                 links_map[queues[i]] = (uint8_t)priorities[i];
994
995         rte_eventdev_trace_port_link(dev_id, port_id, nb_links, diag);
996         return diag;
997 }
998
999 int
1000 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
1001                       uint8_t queues[], uint16_t nb_unlinks)
1002 {
1003         struct rte_eventdev *dev;
1004         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
1005         int i, diag, j;
1006         uint16_t *links_map;
1007
1008         RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0);
1009         dev = &rte_eventdevs[dev_id];
1010
1011         if (*dev->dev_ops->port_unlink == NULL) {
1012                 RTE_EDEV_LOG_ERR("Function not supported");
1013                 rte_errno = ENOTSUP;
1014                 return 0;
1015         }
1016
1017         if (!is_valid_port(dev, port_id)) {
1018                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1019                 rte_errno = EINVAL;
1020                 return 0;
1021         }
1022
1023         links_map = dev->data->links_map;
1024         /* Point links_map to this port specific area */
1025         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
1026
1027         if (queues == NULL) {
1028                 j = 0;
1029                 for (i = 0; i < dev->data->nb_queues; i++) {
1030                         if (links_map[i] !=
1031                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
1032                                 all_queues[j] = i;
1033                                 j++;
1034                         }
1035                 }
1036                 queues = all_queues;
1037         } else {
1038                 for (j = 0; j < nb_unlinks; j++) {
1039                         if (links_map[queues[j]] ==
1040                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID)
1041                                 break;
1042                 }
1043         }
1044
1045         nb_unlinks = j;
1046         for (i = 0; i < nb_unlinks; i++)
1047                 if (queues[i] >= dev->data->nb_queues) {
1048                         rte_errno = EINVAL;
1049                         return 0;
1050                 }
1051
1052         diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id],
1053                                         queues, nb_unlinks);
1054
1055         if (diag < 0)
1056                 return diag;
1057
1058         for (i = 0; i < diag; i++)
1059                 links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
1060
1061         rte_eventdev_trace_port_unlink(dev_id, port_id, nb_unlinks, diag);
1062         return diag;
1063 }
1064
1065 int
1066 rte_event_port_unlinks_in_progress(uint8_t dev_id, uint8_t port_id)
1067 {
1068         struct rte_eventdev *dev;
1069
1070         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1071         dev = &rte_eventdevs[dev_id];
1072         if (!is_valid_port(dev, port_id)) {
1073                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1074                 return -EINVAL;
1075         }
1076
1077         /* Return 0 if the PMD does not implement unlinks in progress.
1078          * This allows PMDs which handle unlink synchronously to not implement
1079          * this function at all.
1080          */
1081         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlinks_in_progress, 0);
1082
1083         return (*dev->dev_ops->port_unlinks_in_progress)(dev,
1084                         dev->data->ports[port_id]);
1085 }
1086
1087 int
1088 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
1089                          uint8_t queues[], uint8_t priorities[])
1090 {
1091         struct rte_eventdev *dev;
1092         uint16_t *links_map;
1093         int i, count = 0;
1094
1095         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1096         dev = &rte_eventdevs[dev_id];
1097         if (!is_valid_port(dev, port_id)) {
1098                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1099                 return -EINVAL;
1100         }
1101
1102         links_map = dev->data->links_map;
1103         /* Point links_map to this port specific area */
1104         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
1105         for (i = 0; i < dev->data->nb_queues; i++) {
1106                 if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
1107                         queues[count] = i;
1108                         priorities[count] = (uint8_t)links_map[i];
1109                         ++count;
1110                 }
1111         }
1112         return count;
1113 }
1114
1115 int
1116 rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
1117                                  uint64_t *timeout_ticks)
1118 {
1119         struct rte_eventdev *dev;
1120
1121         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1122         dev = &rte_eventdevs[dev_id];
1123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP);
1124
1125         if (timeout_ticks == NULL)
1126                 return -EINVAL;
1127
1128         return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
1129 }
1130
1131 int
1132 rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id)
1133 {
1134         struct rte_eventdev *dev;
1135
1136         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1137         dev = &rte_eventdevs[dev_id];
1138
1139         if (service_id == NULL)
1140                 return -EINVAL;
1141
1142         if (dev->data->service_inited)
1143                 *service_id = dev->data->service_id;
1144
1145         return dev->data->service_inited ? 0 : -ESRCH;
1146 }
1147
1148 int
1149 rte_event_dev_dump(uint8_t dev_id, FILE *f)
1150 {
1151         struct rte_eventdev *dev;
1152
1153         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1154         dev = &rte_eventdevs[dev_id];
1155         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
1156         if (f == NULL)
1157                 return -EINVAL;
1158
1159         (*dev->dev_ops->dump)(dev, f);
1160         return 0;
1161
1162 }
1163
1164 static int
1165 xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
1166                 uint8_t queue_port_id)
1167 {
1168         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1169         if (dev->dev_ops->xstats_get_names != NULL)
1170                 return (*dev->dev_ops->xstats_get_names)(dev, mode,
1171                                                         queue_port_id,
1172                                                         NULL, NULL, 0);
1173         return 0;
1174 }
1175
1176 int
1177 rte_event_dev_xstats_names_get(uint8_t dev_id,
1178                 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
1179                 struct rte_event_dev_xstats_name *xstats_names,
1180                 unsigned int *ids, unsigned int size)
1181 {
1182         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
1183         const int cnt_expected_entries = xstats_get_count(dev_id, mode,
1184                                                           queue_port_id);
1185         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1186                         (int)size < cnt_expected_entries)
1187                 return cnt_expected_entries;
1188
1189         /* dev_id checked above */
1190         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1191
1192         if (dev->dev_ops->xstats_get_names != NULL)
1193                 return (*dev->dev_ops->xstats_get_names)(dev, mode,
1194                                 queue_port_id, xstats_names, ids, size);
1195
1196         return -ENOTSUP;
1197 }
1198
1199 /* retrieve eventdev extended statistics */
1200 int
1201 rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
1202                 uint8_t queue_port_id, const unsigned int ids[],
1203                 uint64_t values[], unsigned int n)
1204 {
1205         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
1206         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1207
1208         /* implemented by the driver */
1209         if (dev->dev_ops->xstats_get != NULL)
1210                 return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id,
1211                                 ids, values, n);
1212         return -ENOTSUP;
1213 }
1214
1215 uint64_t
1216 rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name,
1217                 unsigned int *id)
1218 {
1219         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
1220         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1221         unsigned int temp = -1;
1222
1223         if (id != NULL)
1224                 *id = (unsigned int)-1;
1225         else
1226                 id = &temp; /* ensure driver never gets a NULL value */
1227
1228         /* implemented by driver */
1229         if (dev->dev_ops->xstats_get_by_name != NULL)
1230                 return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
1231         return -ENOTSUP;
1232 }
1233
1234 int rte_event_dev_xstats_reset(uint8_t dev_id,
1235                 enum rte_event_dev_xstats_mode mode, int16_t queue_port_id,
1236                 const uint32_t ids[], uint32_t nb_ids)
1237 {
1238         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1239         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1240
1241         if (dev->dev_ops->xstats_reset != NULL)
1242                 return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id,
1243                                                         ids, nb_ids);
1244         return -ENOTSUP;
1245 }
1246
1247 int rte_event_pmd_selftest_seqn_dynfield_offset = -1;
1248
1249 int rte_event_dev_selftest(uint8_t dev_id)
1250 {
1251         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1252         static const struct rte_mbuf_dynfield test_seqn_dynfield_desc = {
1253                 .name = "rte_event_pmd_selftest_seqn_dynfield",
1254                 .size = sizeof(rte_event_pmd_selftest_seqn_t),
1255                 .align = __alignof__(rte_event_pmd_selftest_seqn_t),
1256         };
1257         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1258
1259         if (dev->dev_ops->dev_selftest != NULL) {
1260                 rte_event_pmd_selftest_seqn_dynfield_offset =
1261                         rte_mbuf_dynfield_register(&test_seqn_dynfield_desc);
1262                 if (rte_event_pmd_selftest_seqn_dynfield_offset < 0)
1263                         return -ENOMEM;
1264                 return (*dev->dev_ops->dev_selftest)();
1265         }
1266         return -ENOTSUP;
1267 }
1268
1269 int
1270 rte_event_dev_start(uint8_t dev_id)
1271 {
1272         struct rte_eventdev *dev;
1273         int diag;
1274
1275         RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1276
1277         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1278         dev = &rte_eventdevs[dev_id];
1279         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1280
1281         if (dev->data->dev_started != 0) {
1282                 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started",
1283                         dev_id);
1284                 return 0;
1285         }
1286
1287         diag = (*dev->dev_ops->dev_start)(dev);
1288         rte_eventdev_trace_start(dev_id, diag);
1289         if (diag == 0)
1290                 dev->data->dev_started = 1;
1291         else
1292                 return diag;
1293
1294         return 0;
1295 }
1296
1297 int
1298 rte_event_dev_stop_flush_callback_register(uint8_t dev_id,
1299                 eventdev_stop_flush_t callback, void *userdata)
1300 {
1301         struct rte_eventdev *dev;
1302
1303         RTE_EDEV_LOG_DEBUG("Stop flush register dev_id=%" PRIu8, dev_id);
1304
1305         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1306         dev = &rte_eventdevs[dev_id];
1307
1308         dev->dev_ops->dev_stop_flush = callback;
1309         dev->data->dev_stop_flush_arg = userdata;
1310
1311         return 0;
1312 }
1313
1314 void
1315 rte_event_dev_stop(uint8_t dev_id)
1316 {
1317         struct rte_eventdev *dev;
1318
1319         RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id);
1320
1321         RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
1322         dev = &rte_eventdevs[dev_id];
1323         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1324
1325         if (dev->data->dev_started == 0) {
1326                 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped",
1327                         dev_id);
1328                 return;
1329         }
1330
1331         dev->data->dev_started = 0;
1332         (*dev->dev_ops->dev_stop)(dev);
1333         rte_eventdev_trace_stop(dev_id);
1334 }
1335
1336 int
1337 rte_event_dev_close(uint8_t dev_id)
1338 {
1339         struct rte_eventdev *dev;
1340
1341         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1342         dev = &rte_eventdevs[dev_id];
1343         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1344
1345         /* Device must be stopped before it can be closed */
1346         if (dev->data->dev_started == 1) {
1347                 RTE_EDEV_LOG_ERR("Device %u must be stopped before closing",
1348                                 dev_id);
1349                 return -EBUSY;
1350         }
1351
1352         rte_eventdev_trace_close(dev_id);
1353         return (*dev->dev_ops->dev_close)(dev);
1354 }
1355
1356 static inline int
1357 rte_eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
1358                 int socket_id)
1359 {
1360         char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1361         const struct rte_memzone *mz;
1362         int n;
1363
1364         /* Generate memzone name */
1365         n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
1366         if (n >= (int)sizeof(mz_name))
1367                 return -EINVAL;
1368
1369         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1370                 mz = rte_memzone_reserve(mz_name,
1371                                 sizeof(struct rte_eventdev_data),
1372                                 socket_id, 0);
1373         } else
1374                 mz = rte_memzone_lookup(mz_name);
1375
1376         if (mz == NULL)
1377                 return -ENOMEM;
1378
1379         *data = mz->addr;
1380         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1381                 memset(*data, 0, sizeof(struct rte_eventdev_data));
1382
1383         return 0;
1384 }
1385
1386 static inline uint8_t
1387 rte_eventdev_find_free_device_index(void)
1388 {
1389         uint8_t dev_id;
1390
1391         for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1392                 if (rte_eventdevs[dev_id].attached ==
1393                                 RTE_EVENTDEV_DETACHED)
1394                         return dev_id;
1395         }
1396         return RTE_EVENT_MAX_DEVS;
1397 }
1398
1399 static uint16_t
1400 rte_event_tx_adapter_enqueue(__rte_unused void *port,
1401                         __rte_unused struct rte_event ev[],
1402                         __rte_unused uint16_t nb_events)
1403 {
1404         rte_errno = ENOTSUP;
1405         return 0;
1406 }
1407
1408 struct rte_eventdev *
1409 rte_event_pmd_allocate(const char *name, int socket_id)
1410 {
1411         struct rte_eventdev *eventdev;
1412         uint8_t dev_id;
1413
1414         if (rte_event_pmd_get_named_dev(name) != NULL) {
1415                 RTE_EDEV_LOG_ERR("Event device with name %s already "
1416                                 "allocated!", name);
1417                 return NULL;
1418         }
1419
1420         dev_id = rte_eventdev_find_free_device_index();
1421         if (dev_id == RTE_EVENT_MAX_DEVS) {
1422                 RTE_EDEV_LOG_ERR("Reached maximum number of event devices");
1423                 return NULL;
1424         }
1425
1426         eventdev = &rte_eventdevs[dev_id];
1427
1428         eventdev->txa_enqueue = rte_event_tx_adapter_enqueue;
1429         eventdev->txa_enqueue_same_dest = rte_event_tx_adapter_enqueue;
1430
1431         if (eventdev->data == NULL) {
1432                 struct rte_eventdev_data *eventdev_data = NULL;
1433
1434                 int retval = rte_eventdev_data_alloc(dev_id, &eventdev_data,
1435                                 socket_id);
1436
1437                 if (retval < 0 || eventdev_data == NULL)
1438                         return NULL;
1439
1440                 eventdev->data = eventdev_data;
1441
1442                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1443
1444                         strlcpy(eventdev->data->name, name,
1445                                 RTE_EVENTDEV_NAME_MAX_LEN);
1446
1447                         eventdev->data->dev_id = dev_id;
1448                         eventdev->data->socket_id = socket_id;
1449                         eventdev->data->dev_started = 0;
1450                 }
1451
1452                 eventdev->attached = RTE_EVENTDEV_ATTACHED;
1453                 eventdev_globals.nb_devs++;
1454         }
1455
1456         return eventdev;
1457 }
1458
1459 int
1460 rte_event_pmd_release(struct rte_eventdev *eventdev)
1461 {
1462         int ret;
1463         char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1464         const struct rte_memzone *mz;
1465
1466         if (eventdev == NULL)
1467                 return -EINVAL;
1468
1469         eventdev->attached = RTE_EVENTDEV_DETACHED;
1470         eventdev_globals.nb_devs--;
1471
1472         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1473                 rte_free(eventdev->data->dev_private);
1474
1475                 /* Generate memzone name */
1476                 ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
1477                                 eventdev->data->dev_id);
1478                 if (ret >= (int)sizeof(mz_name))
1479                         return -EINVAL;
1480
1481                 mz = rte_memzone_lookup(mz_name);
1482                 if (mz == NULL)
1483                         return -ENOMEM;
1484
1485                 ret = rte_memzone_free(mz);
1486                 if (ret)
1487                         return ret;
1488         }
1489
1490         eventdev->data = NULL;
1491         return 0;
1492 }
1493
1494
1495 static int
1496 handle_dev_list(const char *cmd __rte_unused,
1497                 const char *params __rte_unused,
1498                 struct rte_tel_data *d)
1499 {
1500         uint8_t dev_id;
1501         int ndev = rte_event_dev_count();
1502
1503         if (ndev < 1)
1504                 return -1;
1505
1506         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1507         for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1508                 if (rte_eventdevs[dev_id].attached ==
1509                                 RTE_EVENTDEV_ATTACHED)
1510                         rte_tel_data_add_array_int(d, dev_id);
1511         }
1512
1513         return 0;
1514 }
1515
1516 static int
1517 handle_port_list(const char *cmd __rte_unused,
1518                  const char *params,
1519                  struct rte_tel_data *d)
1520 {
1521         int i;
1522         uint8_t dev_id;
1523         struct rte_eventdev *dev;
1524         char *end_param;
1525
1526         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1527                 return -1;
1528
1529         dev_id = strtoul(params, &end_param, 10);
1530         if (*end_param != '\0')
1531                 RTE_EDEV_LOG_DEBUG(
1532                         "Extra parameters passed to eventdev telemetry command, ignoring");
1533
1534         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1535         dev = &rte_eventdevs[dev_id];
1536
1537         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1538         for (i = 0; i < dev->data->nb_ports; i++)
1539                 rte_tel_data_add_array_int(d, i);
1540
1541         return 0;
1542 }
1543
1544 static int
1545 handle_queue_list(const char *cmd __rte_unused,
1546                   const char *params,
1547                   struct rte_tel_data *d)
1548 {
1549         int i;
1550         uint8_t dev_id;
1551         struct rte_eventdev *dev;
1552         char *end_param;
1553
1554         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1555                 return -1;
1556
1557         dev_id = strtoul(params, &end_param, 10);
1558         if (*end_param != '\0')
1559                 RTE_EDEV_LOG_DEBUG(
1560                         "Extra parameters passed to eventdev telemetry command, ignoring");
1561
1562         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1563         dev = &rte_eventdevs[dev_id];
1564
1565         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1566         for (i = 0; i < dev->data->nb_queues; i++)
1567                 rte_tel_data_add_array_int(d, i);
1568
1569         return 0;
1570 }
1571
1572 static int
1573 handle_queue_links(const char *cmd __rte_unused,
1574                    const char *params,
1575                    struct rte_tel_data *d)
1576 {
1577         int i, ret, port_id = 0;
1578         char *end_param;
1579         uint8_t dev_id;
1580         uint8_t queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
1581         uint8_t priorities[RTE_EVENT_MAX_QUEUES_PER_DEV];
1582         const char *p_param;
1583
1584         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1585                 return -1;
1586
1587         /* Get dev ID from parameter string */
1588         dev_id = strtoul(params, &end_param, 10);
1589         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1590
1591         p_param = strtok(end_param, ",");
1592         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1593                 return -1;
1594
1595         port_id = strtoul(p_param, &end_param, 10);
1596         p_param = strtok(NULL, "\0");
1597         if (p_param != NULL)
1598                 RTE_EDEV_LOG_DEBUG(
1599                         "Extra parameters passed to eventdev telemetry command, ignoring");
1600
1601         ret = rte_event_port_links_get(dev_id, port_id, queues, priorities);
1602         if (ret < 0)
1603                 return -1;
1604
1605         rte_tel_data_start_dict(d);
1606         for (i = 0; i < ret; i++) {
1607                 char qid_name[32];
1608
1609                 snprintf(qid_name, 31, "qid_%u", queues[i]);
1610                 rte_tel_data_add_dict_u64(d, qid_name, priorities[i]);
1611         }
1612
1613         return 0;
1614 }
1615
1616 static int
1617 eventdev_build_telemetry_data(int dev_id,
1618                               enum rte_event_dev_xstats_mode mode,
1619                               int port_queue_id,
1620                               struct rte_tel_data *d)
1621 {
1622         struct rte_event_dev_xstats_name *xstat_names;
1623         unsigned int *ids;
1624         uint64_t *values;
1625         int i, ret, num_xstats;
1626
1627         num_xstats = rte_event_dev_xstats_names_get(dev_id,
1628                                                     mode,
1629                                                     port_queue_id,
1630                                                     NULL,
1631                                                     NULL,
1632                                                     0);
1633
1634         if (num_xstats < 0)
1635                 return -1;
1636
1637         /* use one malloc for names */
1638         xstat_names = malloc((sizeof(struct rte_event_dev_xstats_name))
1639                              * num_xstats);
1640         if (xstat_names == NULL)
1641                 return -1;
1642
1643         ids = malloc((sizeof(unsigned int)) * num_xstats);
1644         if (ids == NULL) {
1645                 free(xstat_names);
1646                 return -1;
1647         }
1648
1649         values = malloc((sizeof(uint64_t)) * num_xstats);
1650         if (values == NULL) {
1651                 free(xstat_names);
1652                 free(ids);
1653                 return -1;
1654         }
1655
1656         ret = rte_event_dev_xstats_names_get(dev_id, mode, port_queue_id,
1657                                              xstat_names, ids, num_xstats);
1658         if (ret < 0 || ret > num_xstats) {
1659                 free(xstat_names);
1660                 free(ids);
1661                 free(values);
1662                 return -1;
1663         }
1664
1665         ret = rte_event_dev_xstats_get(dev_id, mode, port_queue_id,
1666                                        ids, values, num_xstats);
1667         if (ret < 0 || ret > num_xstats) {
1668                 free(xstat_names);
1669                 free(ids);
1670                 free(values);
1671                 return -1;
1672         }
1673
1674         rte_tel_data_start_dict(d);
1675         for (i = 0; i < num_xstats; i++)
1676                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
1677                                           values[i]);
1678
1679         free(xstat_names);
1680         free(ids);
1681         free(values);
1682         return 0;
1683 }
1684
1685 static int
1686 handle_dev_xstats(const char *cmd __rte_unused,
1687                   const char *params,
1688                   struct rte_tel_data *d)
1689 {
1690         int dev_id;
1691         enum rte_event_dev_xstats_mode mode;
1692         char *end_param;
1693
1694         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1695                 return -1;
1696
1697         /* Get dev ID from parameter string */
1698         dev_id = strtoul(params, &end_param, 10);
1699         if (*end_param != '\0')
1700                 RTE_EDEV_LOG_DEBUG(
1701                         "Extra parameters passed to eventdev telemetry command, ignoring");
1702
1703         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1704
1705         mode = RTE_EVENT_DEV_XSTATS_DEVICE;
1706         return eventdev_build_telemetry_data(dev_id, mode, 0, d);
1707 }
1708
1709 static int
1710 handle_port_xstats(const char *cmd __rte_unused,
1711                    const char *params,
1712                    struct rte_tel_data *d)
1713 {
1714         int dev_id;
1715         int port_queue_id = 0;
1716         enum rte_event_dev_xstats_mode mode;
1717         char *end_param;
1718         const char *p_param;
1719
1720         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1721                 return -1;
1722
1723         /* Get dev ID from parameter string */
1724         dev_id = strtoul(params, &end_param, 10);
1725         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1726
1727         p_param = strtok(end_param, ",");
1728         mode = RTE_EVENT_DEV_XSTATS_PORT;
1729
1730         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1731                 return -1;
1732
1733         port_queue_id = strtoul(p_param, &end_param, 10);
1734
1735         p_param = strtok(NULL, "\0");
1736         if (p_param != NULL)
1737                 RTE_EDEV_LOG_DEBUG(
1738                         "Extra parameters passed to eventdev telemetry command, ignoring");
1739
1740         return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d);
1741 }
1742
1743 static int
1744 handle_queue_xstats(const char *cmd __rte_unused,
1745                     const char *params,
1746                     struct rte_tel_data *d)
1747 {
1748         int dev_id;
1749         int port_queue_id = 0;
1750         enum rte_event_dev_xstats_mode mode;
1751         char *end_param;
1752         const char *p_param;
1753
1754         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1755                 return -1;
1756
1757         /* Get dev ID from parameter string */
1758         dev_id = strtoul(params, &end_param, 10);
1759         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1760
1761         p_param = strtok(end_param, ",");
1762         mode = RTE_EVENT_DEV_XSTATS_QUEUE;
1763
1764         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1765                 return -1;
1766
1767         port_queue_id = strtoul(p_param, &end_param, 10);
1768
1769         p_param = strtok(NULL, "\0");
1770         if (p_param != NULL)
1771                 RTE_EDEV_LOG_DEBUG(
1772                         "Extra parameters passed to eventdev telemetry command, ignoring");
1773
1774         return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d);
1775 }
1776
1777 RTE_INIT(eventdev_init_telemetry)
1778 {
1779         rte_telemetry_register_cmd("/eventdev/dev_list", handle_dev_list,
1780                         "Returns list of available eventdevs. Takes no parameters");
1781         rte_telemetry_register_cmd("/eventdev/port_list", handle_port_list,
1782                         "Returns list of available ports. Parameter: DevID");
1783         rte_telemetry_register_cmd("/eventdev/queue_list", handle_queue_list,
1784                         "Returns list of available queues. Parameter: DevID");
1785
1786         rte_telemetry_register_cmd("/eventdev/dev_xstats", handle_dev_xstats,
1787                         "Returns stats for an eventdev. Parameter: DevID");
1788         rte_telemetry_register_cmd("/eventdev/port_xstats", handle_port_xstats,
1789                         "Returns stats for an eventdev port. Params: DevID,PortID");
1790         rte_telemetry_register_cmd("/eventdev/queue_xstats",
1791                         handle_queue_xstats,
1792                         "Returns stats for an eventdev queue. Params: DevID,QueueID");
1793         rte_telemetry_register_cmd("/eventdev/queue_links", handle_queue_links,
1794                         "Returns links for an eventdev port. Params: DevID,QueueID");
1795 }