lib/eventdev/rte_eventdev.c

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