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