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