lib/librte_eventdev/rte_eventdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016 Cavium, Inc
   3  */
   4
   5 #include <ctype.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <stdarg.h>
  10 #include <errno.h>
  11 #include <stdint.h>
  12 #include <inttypes.h>
  13 #include <sys/types.h>
  14 #include <sys/queue.h>
  15
  16 #include <rte_string_fns.h>
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_dev.h>
  21 #include <rte_memory.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_memzone.h>
  24 #include <rte_eal.h>
  25 #include <rte_per_lcore.h>
  26 #include <rte_lcore.h>
  27 #include <rte_atomic.h>
  28 #include <rte_branch_prediction.h>
  29 #include <rte_common.h>
  30 #include <rte_malloc.h>
  31 #include <rte_errno.h>
  32 #include <rte_ethdev.h>
  33 #include <rte_cryptodev.h>
  34 #include <rte_cryptodev_pmd.h>
  35 #include <rte_telemetry.h>
  36
  37 #include "rte_eventdev.h"
  38 #include "eventdev_pmd.h"
  39 #include "rte_eventdev_trace.h"
  40
  41 static struct rte_eventdev rte_event_devices[RTE_EVENT_MAX_DEVS];
  42
  43 struct rte_eventdev *rte_eventdevs = rte_event_devices;
  44
  45 static struct rte_eventdev_global eventdev_globals = {
  46         .nb_devs                = 0
  47 };
  48
  49 /* Event dev north bound API implementation */
  50
  51 uint8_t
  52 rte_event_dev_count(void)
  53 {
  54         return eventdev_globals.nb_devs;
  55 }
  56
  57 int
  58 rte_event_dev_get_dev_id(const char *name)
  59 {
  60         int i;
  61         uint8_t cmp;
  62
  63         if (!name)
  64                 return -EINVAL;
  65
  66         for (i = 0; i < eventdev_globals.nb_devs; i++) {
  67                 cmp = (strncmp(rte_event_devices[i].data->name, name,
  68                                 RTE_EVENTDEV_NAME_MAX_LEN) == 0) ||
  69                         (rte_event_devices[i].dev ? (strncmp(
  70                                 rte_event_devices[i].dev->driver->name, name,
  71                                          RTE_EVENTDEV_NAME_MAX_LEN) == 0) : 0);
  72                 if (cmp && (rte_event_devices[i].attached ==
  73                                         RTE_EVENTDEV_ATTACHED))
  74                         return i;
  75         }
  76         return -ENODEV;
  77 }
  78
  79 int
  80 rte_event_dev_socket_id(uint8_t dev_id)
  81 {
  82         struct rte_eventdev *dev;
  83
  84         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
  85         dev = &rte_eventdevs[dev_id];
  86
  87         return dev->data->socket_id;
  88 }
  89
  90 int
  91 rte_event_dev_info_get(uint8_t dev_id, struct rte_event_dev_info *dev_info)
  92 {
  93         struct rte_eventdev *dev;
  94
  95         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
  96         dev = &rte_eventdevs[dev_id];
  97
  98         if (dev_info == NULL)
  99                 return -EINVAL;
 100
 101         memset(dev_info, 0, sizeof(struct rte_event_dev_info));
 102
 103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 104         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
 105
 106         dev_info->dequeue_timeout_ns = dev->data->dev_conf.dequeue_timeout_ns;
 107
 108         dev_info->dev = dev->dev;
 109         return 0;
 110 }
 111
 112 int
 113 rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
 114                                 uint32_t *caps)
 115 {
 116         struct rte_eventdev *dev;
 117
 118         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 119         RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
 120
 121         dev = &rte_eventdevs[dev_id];
 122
 123         if (caps == NULL)
 124                 return -EINVAL;
 125
 126         if (dev->dev_ops->eth_rx_adapter_caps_get == NULL)
 127                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 128         else
 129                 *caps = 0;
 130
 131         return dev->dev_ops->eth_rx_adapter_caps_get ?
 132                                 (*dev->dev_ops->eth_rx_adapter_caps_get)(dev,
 133                                                 &rte_eth_devices[eth_port_id],
 134                                                 caps)
 135                                 : 0;
 136 }
 137
 138 int
 139 rte_event_timer_adapter_caps_get(uint8_t dev_id, uint32_t *caps)
 140 {
 141         struct rte_eventdev *dev;
 142         const struct rte_event_timer_adapter_ops *ops;
 143
 144         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 145
 146         dev = &rte_eventdevs[dev_id];
 147
 148         if (caps == NULL)
 149                 return -EINVAL;
 150         *caps = 0;
 151
 152         return dev->dev_ops->timer_adapter_caps_get ?
 153                                 (*dev->dev_ops->timer_adapter_caps_get)(dev,
 154                                                                         0,
 155                                                                         caps,
 156                                                                         &ops)
 157                                 : 0;
 158 }
 159
 160 int
 161 rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
 162                                   uint32_t *caps)
 163 {
 164         struct rte_eventdev *dev;
 165         struct rte_cryptodev *cdev;
 166
 167         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 168         if (!rte_cryptodev_pmd_is_valid_dev(cdev_id))
 169                 return -EINVAL;
 170
 171         dev = &rte_eventdevs[dev_id];
 172         cdev = rte_cryptodev_pmd_get_dev(cdev_id);
 173
 174         if (caps == NULL)
 175                 return -EINVAL;
 176         *caps = 0;
 177
 178         return dev->dev_ops->crypto_adapter_caps_get ?
 179                 (*dev->dev_ops->crypto_adapter_caps_get)
 180                 (dev, cdev, caps) : -ENOTSUP;
 181 }
 182
 183 int
 184 rte_event_eth_tx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
 185                                 uint32_t *caps)
 186 {
 187         struct rte_eventdev *dev;
 188         struct rte_eth_dev *eth_dev;
 189
 190         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 191         RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_port_id, -EINVAL);
 192
 193         dev = &rte_eventdevs[dev_id];
 194         eth_dev = &rte_eth_devices[eth_port_id];
 195
 196         if (caps == NULL)
 197                 return -EINVAL;
 198
 199         if (dev->dev_ops->eth_tx_adapter_caps_get == NULL)
 200                 *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_EVENT_VECTOR;
 201         else
 202                 *caps = 0;
 203
 204         return dev->dev_ops->eth_tx_adapter_caps_get ?
 205                         (*dev->dev_ops->eth_tx_adapter_caps_get)(dev,
 206                                                                 eth_dev,
 207                                                                 caps)
 208                         : 0;
 209 }
 210
 211 static inline int
 212 rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
 213 {
 214         uint8_t old_nb_queues = dev->data->nb_queues;
 215         struct rte_event_queue_conf *queues_cfg;
 216         unsigned int i;
 217
 218         RTE_EDEV_LOG_DEBUG("Setup %d queues on device %u", nb_queues,
 219                          dev->data->dev_id);
 220
 221         /* First time configuration */
 222         if (dev->data->queues_cfg == NULL && nb_queues != 0) {
 223                 /* Allocate memory to store queue configuration */
 224                 dev->data->queues_cfg = rte_zmalloc_socket(
 225                                 "eventdev->data->queues_cfg",
 226                                 sizeof(dev->data->queues_cfg[0]) * nb_queues,
 227                                 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
 228                 if (dev->data->queues_cfg == NULL) {
 229                         dev->data->nb_queues = 0;
 230                         RTE_EDEV_LOG_ERR("failed to get mem for queue cfg,"
 231                                         "nb_queues %u", nb_queues);
 232                         return -(ENOMEM);
 233                 }
 234         /* Re-configure */
 235         } else if (dev->data->queues_cfg != NULL && nb_queues != 0) {
 236                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
 237
 238                 for (i = nb_queues; i < old_nb_queues; i++)
 239                         (*dev->dev_ops->queue_release)(dev, i);
 240
 241                 /* Re allocate memory to store queue configuration */
 242                 queues_cfg = dev->data->queues_cfg;
 243                 queues_cfg = rte_realloc(queues_cfg,
 244                                 sizeof(queues_cfg[0]) * nb_queues,
 245                                 RTE_CACHE_LINE_SIZE);
 246                 if (queues_cfg == NULL) {
 247                         RTE_EDEV_LOG_ERR("failed to realloc queue cfg memory,"
 248                                                 " nb_queues %u", nb_queues);
 249                         return -(ENOMEM);
 250                 }
 251                 dev->data->queues_cfg = queues_cfg;
 252
 253                 if (nb_queues > old_nb_queues) {
 254                         uint8_t new_qs = nb_queues - old_nb_queues;
 255
 256                         memset(queues_cfg + old_nb_queues, 0,
 257                                 sizeof(queues_cfg[0]) * new_qs);
 258                 }
 259         } else if (dev->data->queues_cfg != NULL && nb_queues == 0) {
 260                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
 261
 262                 for (i = nb_queues; i < old_nb_queues; i++)
 263                         (*dev->dev_ops->queue_release)(dev, i);
 264         }
 265
 266         dev->data->nb_queues = nb_queues;
 267         return 0;
 268 }
 269
 270 #define EVENT_QUEUE_SERVICE_PRIORITY_INVALID (0xdead)
 271
 272 static inline int
 273 rte_event_dev_port_config(struct rte_eventdev *dev, uint8_t nb_ports)
 274 {
 275         uint8_t old_nb_ports = dev->data->nb_ports;
 276         void **ports;
 277         uint16_t *links_map;
 278         struct rte_event_port_conf *ports_cfg;
 279         unsigned int i;
 280
 281         RTE_EDEV_LOG_DEBUG("Setup %d ports on device %u", nb_ports,
 282                          dev->data->dev_id);
 283
 284         /* First time configuration */
 285         if (dev->data->ports == NULL && nb_ports != 0) {
 286                 dev->data->ports = rte_zmalloc_socket("eventdev->data->ports",
 287                                 sizeof(dev->data->ports[0]) * nb_ports,
 288                                 RTE_CACHE_LINE_SIZE, dev->data->socket_id);
 289                 if (dev->data->ports == NULL) {
 290                         dev->data->nb_ports = 0;
 291                         RTE_EDEV_LOG_ERR("failed to get mem for port meta data,"
 292                                         "nb_ports %u", nb_ports);
 293                         return -(ENOMEM);
 294                 }
 295
 296                 /* Allocate memory to store port configurations */
 297                 dev->data->ports_cfg =
 298                         rte_zmalloc_socket("eventdev->ports_cfg",
 299                         sizeof(dev->data->ports_cfg[0]) * nb_ports,
 300                         RTE_CACHE_LINE_SIZE, dev->data->socket_id);
 301                 if (dev->data->ports_cfg == NULL) {
 302                         dev->data->nb_ports = 0;
 303                         RTE_EDEV_LOG_ERR("failed to get mem for port cfg,"
 304                                         "nb_ports %u", nb_ports);
 305                         return -(ENOMEM);
 306                 }
 307
 308                 /* Allocate memory to store queue to port link connection */
 309                 dev->data->links_map =
 310                         rte_zmalloc_socket("eventdev->links_map",
 311                         sizeof(dev->data->links_map[0]) * nb_ports *
 312                         RTE_EVENT_MAX_QUEUES_PER_DEV,
 313                         RTE_CACHE_LINE_SIZE, dev->data->socket_id);
 314                 if (dev->data->links_map == NULL) {
 315                         dev->data->nb_ports = 0;
 316                         RTE_EDEV_LOG_ERR("failed to get mem for port_map area,"
 317                                         "nb_ports %u", nb_ports);
 318                         return -(ENOMEM);
 319                 }
 320                 for (i = 0; i < nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV; i++)
 321                         dev->data->links_map[i] =
 322                                 EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
 323         } else if (dev->data->ports != NULL && nb_ports != 0) {/* re-config */
 324                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
 325
 326                 ports = dev->data->ports;
 327                 ports_cfg = dev->data->ports_cfg;
 328                 links_map = dev->data->links_map;
 329
 330                 for (i = nb_ports; i < old_nb_ports; i++)
 331                         (*dev->dev_ops->port_release)(ports[i]);
 332
 333                 /* Realloc memory for ports */
 334                 ports = rte_realloc(ports, sizeof(ports[0]) * nb_ports,
 335                                 RTE_CACHE_LINE_SIZE);
 336                 if (ports == NULL) {
 337                         RTE_EDEV_LOG_ERR("failed to realloc port meta data,"
 338                                                 " nb_ports %u", nb_ports);
 339                         return -(ENOMEM);
 340                 }
 341
 342                 /* Realloc memory for ports_cfg */
 343                 ports_cfg = rte_realloc(ports_cfg,
 344                         sizeof(ports_cfg[0]) * nb_ports,
 345                         RTE_CACHE_LINE_SIZE);
 346                 if (ports_cfg == NULL) {
 347                         RTE_EDEV_LOG_ERR("failed to realloc port cfg mem,"
 348                                                 " nb_ports %u", nb_ports);
 349                         return -(ENOMEM);
 350                 }
 351
 352                 /* Realloc memory to store queue to port link connection */
 353                 links_map = rte_realloc(links_map,
 354                         sizeof(dev->data->links_map[0]) * nb_ports *
 355                         RTE_EVENT_MAX_QUEUES_PER_DEV,
 356                         RTE_CACHE_LINE_SIZE);
 357                 if (links_map == NULL) {
 358                         dev->data->nb_ports = 0;
 359                         RTE_EDEV_LOG_ERR("failed to realloc mem for port_map,"
 360                                         "nb_ports %u", nb_ports);
 361                         return -(ENOMEM);
 362                 }
 363
 364                 if (nb_ports > old_nb_ports) {
 365                         uint8_t new_ps = nb_ports - old_nb_ports;
 366                         unsigned int old_links_map_end =
 367                                 old_nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
 368                         unsigned int links_map_end =
 369                                 nb_ports * RTE_EVENT_MAX_QUEUES_PER_DEV;
 370
 371                         memset(ports + old_nb_ports, 0,
 372                                 sizeof(ports[0]) * new_ps);
 373                         memset(ports_cfg + old_nb_ports, 0,
 374                                 sizeof(ports_cfg[0]) * new_ps);
 375                         for (i = old_links_map_end; i < links_map_end; i++)
 376                                 links_map[i] =
 377                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
 378                 }
 379
 380                 dev->data->ports = ports;
 381                 dev->data->ports_cfg = ports_cfg;
 382                 dev->data->links_map = links_map;
 383         } else if (dev->data->ports != NULL && nb_ports == 0) {
 384                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_release, -ENOTSUP);
 385
 386                 ports = dev->data->ports;
 387                 for (i = nb_ports; i < old_nb_ports; i++)
 388                         (*dev->dev_ops->port_release)(ports[i]);
 389         }
 390
 391         dev->data->nb_ports = nb_ports;
 392         return 0;
 393 }
 394
 395 int
 396 rte_event_dev_configure(uint8_t dev_id,
 397                         const struct rte_event_dev_config *dev_conf)
 398 {
 399         struct rte_eventdev *dev;
 400         struct rte_event_dev_info info;
 401         int diag;
 402
 403         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 404         dev = &rte_eventdevs[dev_id];
 405
 406         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 407         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 408
 409         if (dev->data->dev_started) {
 410                 RTE_EDEV_LOG_ERR(
 411                     "device %d must be stopped to allow configuration", dev_id);
 412                 return -EBUSY;
 413         }
 414
 415         if (dev_conf == NULL)
 416                 return -EINVAL;
 417
 418         (*dev->dev_ops->dev_infos_get)(dev, &info);
 419
 420         /* Check dequeue_timeout_ns value is in limit */
 421         if (!(dev_conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)) {
 422                 if (dev_conf->dequeue_timeout_ns &&
 423                     (dev_conf->dequeue_timeout_ns < info.min_dequeue_timeout_ns
 424                         || dev_conf->dequeue_timeout_ns >
 425                                  info.max_dequeue_timeout_ns)) {
 426                         RTE_EDEV_LOG_ERR("dev%d invalid dequeue_timeout_ns=%d"
 427                         " min_dequeue_timeout_ns=%d max_dequeue_timeout_ns=%d",
 428                         dev_id, dev_conf->dequeue_timeout_ns,
 429                         info.min_dequeue_timeout_ns,
 430                         info.max_dequeue_timeout_ns);
 431                         return -EINVAL;
 432                 }
 433         }
 434
 435         /* Check nb_events_limit is in limit */
 436         if (dev_conf->nb_events_limit > info.max_num_events) {
 437                 RTE_EDEV_LOG_ERR("dev%d nb_events_limit=%d > max_num_events=%d",
 438                 dev_id, dev_conf->nb_events_limit, info.max_num_events);
 439                 return -EINVAL;
 440         }
 441
 442         /* Check nb_event_queues is in limit */
 443         if (!dev_conf->nb_event_queues) {
 444                 RTE_EDEV_LOG_ERR("dev%d nb_event_queues cannot be zero",
 445                                         dev_id);
 446                 return -EINVAL;
 447         }
 448         if (dev_conf->nb_event_queues > info.max_event_queues +
 449                         info.max_single_link_event_port_queue_pairs) {
 450                 RTE_EDEV_LOG_ERR("%d nb_event_queues=%d > max_event_queues=%d + max_single_link_event_port_queue_pairs=%d",
 451                                  dev_id, dev_conf->nb_event_queues,
 452                                  info.max_event_queues,
 453                                  info.max_single_link_event_port_queue_pairs);
 454                 return -EINVAL;
 455         }
 456         if (dev_conf->nb_event_queues -
 457                         dev_conf->nb_single_link_event_port_queues >
 458                         info.max_event_queues) {
 459                 RTE_EDEV_LOG_ERR("id%d nb_event_queues=%d - nb_single_link_event_port_queues=%d > max_event_queues=%d",
 460                                  dev_id, dev_conf->nb_event_queues,
 461                                  dev_conf->nb_single_link_event_port_queues,
 462                                  info.max_event_queues);
 463                 return -EINVAL;
 464         }
 465         if (dev_conf->nb_single_link_event_port_queues >
 466                         dev_conf->nb_event_queues) {
 467                 RTE_EDEV_LOG_ERR("dev%d nb_single_link_event_port_queues=%d > nb_event_queues=%d",
 468                                  dev_id,
 469                                  dev_conf->nb_single_link_event_port_queues,
 470                                  dev_conf->nb_event_queues);
 471                 return -EINVAL;
 472         }
 473
 474         /* Check nb_event_ports is in limit */
 475         if (!dev_conf->nb_event_ports) {
 476                 RTE_EDEV_LOG_ERR("dev%d nb_event_ports cannot be zero", dev_id);
 477                 return -EINVAL;
 478         }
 479         if (dev_conf->nb_event_ports > info.max_event_ports +
 480                         info.max_single_link_event_port_queue_pairs) {
 481                 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d > max_event_ports=%d + max_single_link_event_port_queue_pairs=%d",
 482                                  dev_id, dev_conf->nb_event_ports,
 483                                  info.max_event_ports,
 484                                  info.max_single_link_event_port_queue_pairs);
 485                 return -EINVAL;
 486         }
 487         if (dev_conf->nb_event_ports -
 488                         dev_conf->nb_single_link_event_port_queues
 489                         > info.max_event_ports) {
 490                 RTE_EDEV_LOG_ERR("id%d nb_event_ports=%d - nb_single_link_event_port_queues=%d > max_event_ports=%d",
 491                                  dev_id, dev_conf->nb_event_ports,
 492                                  dev_conf->nb_single_link_event_port_queues,
 493                                  info.max_event_ports);
 494                 return -EINVAL;
 495         }
 496
 497         if (dev_conf->nb_single_link_event_port_queues >
 498             dev_conf->nb_event_ports) {
 499                 RTE_EDEV_LOG_ERR(
 500                                  "dev%d nb_single_link_event_port_queues=%d > nb_event_ports=%d",
 501                                  dev_id,
 502                                  dev_conf->nb_single_link_event_port_queues,
 503                                  dev_conf->nb_event_ports);
 504                 return -EINVAL;
 505         }
 506
 507         /* Check nb_event_queue_flows is in limit */
 508         if (!dev_conf->nb_event_queue_flows) {
 509                 RTE_EDEV_LOG_ERR("dev%d nb_flows cannot be zero", dev_id);
 510                 return -EINVAL;
 511         }
 512         if (dev_conf->nb_event_queue_flows > info.max_event_queue_flows) {
 513                 RTE_EDEV_LOG_ERR("dev%d nb_flows=%x > max_flows=%x",
 514                 dev_id, dev_conf->nb_event_queue_flows,
 515                 info.max_event_queue_flows);
 516                 return -EINVAL;
 517         }
 518
 519         /* Check nb_event_port_dequeue_depth is in limit */
 520         if (!dev_conf->nb_event_port_dequeue_depth) {
 521                 RTE_EDEV_LOG_ERR("dev%d nb_dequeue_depth cannot be zero",
 522                                         dev_id);
 523                 return -EINVAL;
 524         }
 525         if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
 526                  (dev_conf->nb_event_port_dequeue_depth >
 527                          info.max_event_port_dequeue_depth)) {
 528                 RTE_EDEV_LOG_ERR("dev%d nb_dq_depth=%d > max_dq_depth=%d",
 529                 dev_id, dev_conf->nb_event_port_dequeue_depth,
 530                 info.max_event_port_dequeue_depth);
 531                 return -EINVAL;
 532         }
 533
 534         /* Check nb_event_port_enqueue_depth is in limit */
 535         if (!dev_conf->nb_event_port_enqueue_depth) {
 536                 RTE_EDEV_LOG_ERR("dev%d nb_enqueue_depth cannot be zero",
 537                                         dev_id);
 538                 return -EINVAL;
 539         }
 540         if ((info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) &&
 541                 (dev_conf->nb_event_port_enqueue_depth >
 542                          info.max_event_port_enqueue_depth)) {
 543                 RTE_EDEV_LOG_ERR("dev%d nb_enq_depth=%d > max_enq_depth=%d",
 544                 dev_id, dev_conf->nb_event_port_enqueue_depth,
 545                 info.max_event_port_enqueue_depth);
 546                 return -EINVAL;
 547         }
 548
 549         /* Copy the dev_conf parameter into the dev structure */
 550         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
 551
 552         /* Setup new number of queues and reconfigure device. */
 553         diag = rte_event_dev_queue_config(dev, dev_conf->nb_event_queues);
 554         if (diag != 0) {
 555                 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_queue_config = %d",
 556                                 dev_id, diag);
 557                 return diag;
 558         }
 559
 560         /* Setup new number of ports and reconfigure device. */
 561         diag = rte_event_dev_port_config(dev, dev_conf->nb_event_ports);
 562         if (diag != 0) {
 563                 rte_event_dev_queue_config(dev, 0);
 564                 RTE_EDEV_LOG_ERR("dev%d rte_event_dev_port_config = %d",
 565                                 dev_id, diag);
 566                 return diag;
 567         }
 568
 569         /* Configure the device */
 570         diag = (*dev->dev_ops->dev_configure)(dev);
 571         if (diag != 0) {
 572                 RTE_EDEV_LOG_ERR("dev%d dev_configure = %d", dev_id, diag);
 573                 rte_event_dev_queue_config(dev, 0);
 574                 rte_event_dev_port_config(dev, 0);
 575         }
 576
 577         dev->data->event_dev_cap = info.event_dev_cap;
 578         rte_eventdev_trace_configure(dev_id, dev_conf, diag);
 579         return diag;
 580 }
 581
 582 static inline int
 583 is_valid_queue(struct rte_eventdev *dev, uint8_t queue_id)
 584 {
 585         if (queue_id < dev->data->nb_queues && queue_id <
 586                                 RTE_EVENT_MAX_QUEUES_PER_DEV)
 587                 return 1;
 588         else
 589                 return 0;
 590 }
 591
 592 int
 593 rte_event_queue_default_conf_get(uint8_t dev_id, uint8_t queue_id,
 594                                  struct rte_event_queue_conf *queue_conf)
 595 {
 596         struct rte_eventdev *dev;
 597
 598         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 599         dev = &rte_eventdevs[dev_id];
 600
 601         if (queue_conf == NULL)
 602                 return -EINVAL;
 603
 604         if (!is_valid_queue(dev, queue_id)) {
 605                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
 606                 return -EINVAL;
 607         }
 608
 609         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
 610         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
 611         (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf);
 612         return 0;
 613 }
 614
 615 static inline int
 616 is_valid_atomic_queue_conf(const struct rte_event_queue_conf *queue_conf)
 617 {
 618         if (queue_conf &&
 619                 !(queue_conf->event_queue_cfg &
 620                   RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
 621                 ((queue_conf->event_queue_cfg &
 622                          RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
 623                 (queue_conf->schedule_type
 624                         == RTE_SCHED_TYPE_ATOMIC)
 625                 ))
 626                 return 1;
 627         else
 628                 return 0;
 629 }
 630
 631 static inline int
 632 is_valid_ordered_queue_conf(const struct rte_event_queue_conf *queue_conf)
 633 {
 634         if (queue_conf &&
 635                 !(queue_conf->event_queue_cfg &
 636                   RTE_EVENT_QUEUE_CFG_SINGLE_LINK) &&
 637                 ((queue_conf->event_queue_cfg &
 638                          RTE_EVENT_QUEUE_CFG_ALL_TYPES) ||
 639                 (queue_conf->schedule_type
 640                         == RTE_SCHED_TYPE_ORDERED)
 641                 ))
 642                 return 1;
 643         else
 644                 return 0;
 645 }
 646
 647
 648 int
 649 rte_event_queue_setup(uint8_t dev_id, uint8_t queue_id,
 650                       const struct rte_event_queue_conf *queue_conf)
 651 {
 652         struct rte_eventdev *dev;
 653         struct rte_event_queue_conf def_conf;
 654
 655         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 656         dev = &rte_eventdevs[dev_id];
 657
 658         if (!is_valid_queue(dev, queue_id)) {
 659                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
 660                 return -EINVAL;
 661         }
 662
 663         /* Check nb_atomic_flows limit */
 664         if (is_valid_atomic_queue_conf(queue_conf)) {
 665                 if (queue_conf->nb_atomic_flows == 0 ||
 666                     queue_conf->nb_atomic_flows >
 667                         dev->data->dev_conf.nb_event_queue_flows) {
 668                         RTE_EDEV_LOG_ERR(
 669                 "dev%d queue%d Invalid nb_atomic_flows=%d max_flows=%d",
 670                         dev_id, queue_id, queue_conf->nb_atomic_flows,
 671                         dev->data->dev_conf.nb_event_queue_flows);
 672                         return -EINVAL;
 673                 }
 674         }
 675
 676         /* Check nb_atomic_order_sequences limit */
 677         if (is_valid_ordered_queue_conf(queue_conf)) {
 678                 if (queue_conf->nb_atomic_order_sequences == 0 ||
 679                     queue_conf->nb_atomic_order_sequences >
 680                         dev->data->dev_conf.nb_event_queue_flows) {
 681                         RTE_EDEV_LOG_ERR(
 682                 "dev%d queue%d Invalid nb_atomic_order_seq=%d max_flows=%d",
 683                         dev_id, queue_id, queue_conf->nb_atomic_order_sequences,
 684                         dev->data->dev_conf.nb_event_queue_flows);
 685                         return -EINVAL;
 686                 }
 687         }
 688
 689         if (dev->data->dev_started) {
 690                 RTE_EDEV_LOG_ERR(
 691                     "device %d must be stopped to allow queue setup", dev_id);
 692                 return -EBUSY;
 693         }
 694
 695         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
 696
 697         if (queue_conf == NULL) {
 698                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf,
 699                                         -ENOTSUP);
 700                 (*dev->dev_ops->queue_def_conf)(dev, queue_id, &def_conf);
 701                 queue_conf = &def_conf;
 702         }
 703
 704         dev->data->queues_cfg[queue_id] = *queue_conf;
 705         rte_eventdev_trace_queue_setup(dev_id, queue_id, queue_conf);
 706         return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf);
 707 }
 708
 709 static inline int
 710 is_valid_port(struct rte_eventdev *dev, uint8_t port_id)
 711 {
 712         if (port_id < dev->data->nb_ports)
 713                 return 1;
 714         else
 715                 return 0;
 716 }
 717
 718 int
 719 rte_event_port_default_conf_get(uint8_t dev_id, uint8_t port_id,
 720                                  struct rte_event_port_conf *port_conf)
 721 {
 722         struct rte_eventdev *dev;
 723
 724         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 725         dev = &rte_eventdevs[dev_id];
 726
 727         if (port_conf == NULL)
 728                 return -EINVAL;
 729
 730         if (!is_valid_port(dev, port_id)) {
 731                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
 732                 return -EINVAL;
 733         }
 734
 735         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf, -ENOTSUP);
 736         memset(port_conf, 0, sizeof(struct rte_event_port_conf));
 737         (*dev->dev_ops->port_def_conf)(dev, port_id, port_conf);
 738         return 0;
 739 }
 740
 741 int
 742 rte_event_port_setup(uint8_t dev_id, uint8_t port_id,
 743                      const struct rte_event_port_conf *port_conf)
 744 {
 745         struct rte_eventdev *dev;
 746         struct rte_event_port_conf def_conf;
 747         int diag;
 748
 749         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 750         dev = &rte_eventdevs[dev_id];
 751
 752         if (!is_valid_port(dev, port_id)) {
 753                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
 754                 return -EINVAL;
 755         }
 756
 757         /* Check new_event_threshold limit */
 758         if ((port_conf && !port_conf->new_event_threshold) ||
 759                         (port_conf && port_conf->new_event_threshold >
 760                                  dev->data->dev_conf.nb_events_limit)) {
 761                 RTE_EDEV_LOG_ERR(
 762                    "dev%d port%d Invalid event_threshold=%d nb_events_limit=%d",
 763                         dev_id, port_id, port_conf->new_event_threshold,
 764                         dev->data->dev_conf.nb_events_limit);
 765                 return -EINVAL;
 766         }
 767
 768         /* Check dequeue_depth limit */
 769         if ((port_conf && !port_conf->dequeue_depth) ||
 770                         (port_conf && port_conf->dequeue_depth >
 771                 dev->data->dev_conf.nb_event_port_dequeue_depth)) {
 772                 RTE_EDEV_LOG_ERR(
 773                    "dev%d port%d Invalid dequeue depth=%d max_dequeue_depth=%d",
 774                         dev_id, port_id, port_conf->dequeue_depth,
 775                         dev->data->dev_conf.nb_event_port_dequeue_depth);
 776                 return -EINVAL;
 777         }
 778
 779         /* Check enqueue_depth limit */
 780         if ((port_conf && !port_conf->enqueue_depth) ||
 781                         (port_conf && port_conf->enqueue_depth >
 782                 dev->data->dev_conf.nb_event_port_enqueue_depth)) {
 783                 RTE_EDEV_LOG_ERR(
 784                    "dev%d port%d Invalid enqueue depth=%d max_enqueue_depth=%d",
 785                         dev_id, port_id, port_conf->enqueue_depth,
 786                         dev->data->dev_conf.nb_event_port_enqueue_depth);
 787                 return -EINVAL;
 788         }
 789
 790         if (port_conf &&
 791             (port_conf->event_port_cfg & RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL) &&
 792             !(dev->data->event_dev_cap &
 793               RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE)) {
 794                 RTE_EDEV_LOG_ERR(
 795                    "dev%d port%d Implicit release disable not supported",
 796                         dev_id, port_id);
 797                 return -EINVAL;
 798         }
 799
 800         if (dev->data->dev_started) {
 801                 RTE_EDEV_LOG_ERR(
 802                     "device %d must be stopped to allow port setup", dev_id);
 803                 return -EBUSY;
 804         }
 805
 806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_setup, -ENOTSUP);
 807
 808         if (port_conf == NULL) {
 809                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_def_conf,
 810                                         -ENOTSUP);
 811                 (*dev->dev_ops->port_def_conf)(dev, port_id, &def_conf);
 812                 port_conf = &def_conf;
 813         }
 814
 815         dev->data->ports_cfg[port_id] = *port_conf;
 816
 817         diag = (*dev->dev_ops->port_setup)(dev, port_id, port_conf);
 818
 819         /* Unlink all the queues from this port(default state after setup) */
 820         if (!diag)
 821                 diag = rte_event_port_unlink(dev_id, port_id, NULL, 0);
 822
 823         rte_eventdev_trace_port_setup(dev_id, port_id, port_conf, diag);
 824         if (diag < 0)
 825                 return diag;
 826
 827         return 0;
 828 }
 829
 830 int
 831 rte_event_dev_attr_get(uint8_t dev_id, uint32_t attr_id,
 832                        uint32_t *attr_value)
 833 {
 834         struct rte_eventdev *dev;
 835
 836         if (!attr_value)
 837                 return -EINVAL;
 838         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 839         dev = &rte_eventdevs[dev_id];
 840
 841         switch (attr_id) {
 842         case RTE_EVENT_DEV_ATTR_PORT_COUNT:
 843                 *attr_value = dev->data->nb_ports;
 844                 break;
 845         case RTE_EVENT_DEV_ATTR_QUEUE_COUNT:
 846                 *attr_value = dev->data->nb_queues;
 847                 break;
 848         case RTE_EVENT_DEV_ATTR_STARTED:
 849                 *attr_value = dev->data->dev_started;
 850                 break;
 851         default:
 852                 return -EINVAL;
 853         }
 854
 855         return 0;
 856 }
 857
 858 int
 859 rte_event_port_attr_get(uint8_t dev_id, uint8_t port_id, uint32_t attr_id,
 860                         uint32_t *attr_value)
 861 {
 862         struct rte_eventdev *dev;
 863
 864         if (!attr_value)
 865                 return -EINVAL;
 866
 867         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 868         dev = &rte_eventdevs[dev_id];
 869         if (!is_valid_port(dev, port_id)) {
 870                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
 871                 return -EINVAL;
 872         }
 873
 874         switch (attr_id) {
 875         case RTE_EVENT_PORT_ATTR_ENQ_DEPTH:
 876                 *attr_value = dev->data->ports_cfg[port_id].enqueue_depth;
 877                 break;
 878         case RTE_EVENT_PORT_ATTR_DEQ_DEPTH:
 879                 *attr_value = dev->data->ports_cfg[port_id].dequeue_depth;
 880                 break;
 881         case RTE_EVENT_PORT_ATTR_NEW_EVENT_THRESHOLD:
 882                 *attr_value = dev->data->ports_cfg[port_id].new_event_threshold;
 883                 break;
 884         case RTE_EVENT_PORT_ATTR_IMPLICIT_RELEASE_DISABLE:
 885         {
 886                 uint32_t config;
 887
 888                 config = dev->data->ports_cfg[port_id].event_port_cfg;
 889                 *attr_value = !!(config & RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL);
 890                 break;
 891         }
 892         default:
 893                 return -EINVAL;
 894         };
 895         return 0;
 896 }
 897
 898 int
 899 rte_event_queue_attr_get(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id,
 900                         uint32_t *attr_value)
 901 {
 902         struct rte_event_queue_conf *conf;
 903         struct rte_eventdev *dev;
 904
 905         if (!attr_value)
 906                 return -EINVAL;
 907
 908         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 909         dev = &rte_eventdevs[dev_id];
 910         if (!is_valid_queue(dev, queue_id)) {
 911                 RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
 912                 return -EINVAL;
 913         }
 914
 915         conf = &dev->data->queues_cfg[queue_id];
 916
 917         switch (attr_id) {
 918         case RTE_EVENT_QUEUE_ATTR_PRIORITY:
 919                 *attr_value = RTE_EVENT_DEV_PRIORITY_NORMAL;
 920                 if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
 921                         *attr_value = conf->priority;
 922                 break;
 923         case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_FLOWS:
 924                 *attr_value = conf->nb_atomic_flows;
 925                 break;
 926         case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_ORDER_SEQUENCES:
 927                 *attr_value = conf->nb_atomic_order_sequences;
 928                 break;
 929         case RTE_EVENT_QUEUE_ATTR_EVENT_QUEUE_CFG:
 930                 *attr_value = conf->event_queue_cfg;
 931                 break;
 932         case RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE:
 933                 if (conf->event_queue_cfg & RTE_EVENT_QUEUE_CFG_ALL_TYPES)
 934                         return -EOVERFLOW;
 935
 936                 *attr_value = conf->schedule_type;
 937                 break;
 938         default:
 939                 return -EINVAL;
 940         };
 941         return 0;
 942 }
 943
 944 int
 945 rte_event_port_link(uint8_t dev_id, uint8_t port_id,
 946                     const uint8_t queues[], const uint8_t priorities[],
 947                     uint16_t nb_links)
 948 {
 949         struct rte_eventdev *dev;
 950         uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
 951         uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV];
 952         uint16_t *links_map;
 953         int i, diag;
 954
 955         RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0);
 956         dev = &rte_eventdevs[dev_id];
 957
 958         if (*dev->dev_ops->port_link == NULL) {
 959                 RTE_EDEV_LOG_ERR("Function not supported\n");
 960                 rte_errno = ENOTSUP;
 961                 return 0;
 962         }
 963
 964         if (!is_valid_port(dev, port_id)) {
 965                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
 966                 rte_errno = EINVAL;
 967                 return 0;
 968         }
 969
 970         if (queues == NULL) {
 971                 for (i = 0; i < dev->data->nb_queues; i++)
 972                         queues_list[i] = i;
 973
 974                 queues = queues_list;
 975                 nb_links = dev->data->nb_queues;
 976         }
 977
 978         if (priorities == NULL) {
 979                 for (i = 0; i < nb_links; i++)
 980                         priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL;
 981
 982                 priorities = priorities_list;
 983         }
 984
 985         for (i = 0; i < nb_links; i++)
 986                 if (queues[i] >= dev->data->nb_queues) {
 987                         rte_errno = EINVAL;
 988                         return 0;
 989                 }
 990
 991         diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id],
 992                                                 queues, priorities, nb_links);
 993         if (diag < 0)
 994                 return diag;
 995
 996         links_map = dev->data->links_map;
 997         /* Point links_map to this port specific area */
 998         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
 999         for (i = 0; i < diag; i++)
1000                 links_map[queues[i]] = (uint8_t)priorities[i];
1001
1002         rte_eventdev_trace_port_link(dev_id, port_id, nb_links, diag);
1003         return diag;
1004 }
1005
1006 int
1007 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id,
1008                       uint8_t queues[], uint16_t nb_unlinks)
1009 {
1010         struct rte_eventdev *dev;
1011         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
1012         int i, diag, j;
1013         uint16_t *links_map;
1014
1015         RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0);
1016         dev = &rte_eventdevs[dev_id];
1017
1018         if (*dev->dev_ops->port_unlink == NULL) {
1019                 RTE_EDEV_LOG_ERR("Function not supported");
1020                 rte_errno = ENOTSUP;
1021                 return 0;
1022         }
1023
1024         if (!is_valid_port(dev, port_id)) {
1025                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1026                 rte_errno = EINVAL;
1027                 return 0;
1028         }
1029
1030         links_map = dev->data->links_map;
1031         /* Point links_map to this port specific area */
1032         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
1033
1034         if (queues == NULL) {
1035                 j = 0;
1036                 for (i = 0; i < dev->data->nb_queues; i++) {
1037                         if (links_map[i] !=
1038                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
1039                                 all_queues[j] = i;
1040                                 j++;
1041                         }
1042                 }
1043                 queues = all_queues;
1044         } else {
1045                 for (j = 0; j < nb_unlinks; j++) {
1046                         if (links_map[queues[j]] ==
1047                                         EVENT_QUEUE_SERVICE_PRIORITY_INVALID)
1048                                 break;
1049                 }
1050         }
1051
1052         nb_unlinks = j;
1053         for (i = 0; i < nb_unlinks; i++)
1054                 if (queues[i] >= dev->data->nb_queues) {
1055                         rte_errno = EINVAL;
1056                         return 0;
1057                 }
1058
1059         diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id],
1060                                         queues, nb_unlinks);
1061
1062         if (diag < 0)
1063                 return diag;
1064
1065         for (i = 0; i < diag; i++)
1066                 links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID;
1067
1068         rte_eventdev_trace_port_unlink(dev_id, port_id, nb_unlinks, diag);
1069         return diag;
1070 }
1071
1072 int
1073 rte_event_port_unlinks_in_progress(uint8_t dev_id, uint8_t port_id)
1074 {
1075         struct rte_eventdev *dev;
1076
1077         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1078         dev = &rte_eventdevs[dev_id];
1079         if (!is_valid_port(dev, port_id)) {
1080                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1081                 return -EINVAL;
1082         }
1083
1084         /* Return 0 if the PMD does not implement unlinks in progress.
1085          * This allows PMDs which handle unlink synchronously to not implement
1086          * this function at all.
1087          */
1088         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlinks_in_progress, 0);
1089
1090         return (*dev->dev_ops->port_unlinks_in_progress)(dev,
1091                         dev->data->ports[port_id]);
1092 }
1093
1094 int
1095 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id,
1096                          uint8_t queues[], uint8_t priorities[])
1097 {
1098         struct rte_eventdev *dev;
1099         uint16_t *links_map;
1100         int i, count = 0;
1101
1102         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1103         dev = &rte_eventdevs[dev_id];
1104         if (!is_valid_port(dev, port_id)) {
1105                 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id);
1106                 return -EINVAL;
1107         }
1108
1109         links_map = dev->data->links_map;
1110         /* Point links_map to this port specific area */
1111         links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV);
1112         for (i = 0; i < dev->data->nb_queues; i++) {
1113                 if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) {
1114                         queues[count] = i;
1115                         priorities[count] = (uint8_t)links_map[i];
1116                         ++count;
1117                 }
1118         }
1119         return count;
1120 }
1121
1122 int
1123 rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns,
1124                                  uint64_t *timeout_ticks)
1125 {
1126         struct rte_eventdev *dev;
1127
1128         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1129         dev = &rte_eventdevs[dev_id];
1130         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP);
1131
1132         if (timeout_ticks == NULL)
1133                 return -EINVAL;
1134
1135         return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks);
1136 }
1137
1138 int
1139 rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id)
1140 {
1141         struct rte_eventdev *dev;
1142
1143         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1144         dev = &rte_eventdevs[dev_id];
1145
1146         if (service_id == NULL)
1147                 return -EINVAL;
1148
1149         if (dev->data->service_inited)
1150                 *service_id = dev->data->service_id;
1151
1152         return dev->data->service_inited ? 0 : -ESRCH;
1153 }
1154
1155 int
1156 rte_event_dev_dump(uint8_t dev_id, FILE *f)
1157 {
1158         struct rte_eventdev *dev;
1159
1160         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1161         dev = &rte_eventdevs[dev_id];
1162         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
1163         if (f == NULL)
1164                 return -EINVAL;
1165
1166         (*dev->dev_ops->dump)(dev, f);
1167         return 0;
1168
1169 }
1170
1171 static int
1172 xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
1173                 uint8_t queue_port_id)
1174 {
1175         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1176         if (dev->dev_ops->xstats_get_names != NULL)
1177                 return (*dev->dev_ops->xstats_get_names)(dev, mode,
1178                                                         queue_port_id,
1179                                                         NULL, NULL, 0);
1180         return 0;
1181 }
1182
1183 int
1184 rte_event_dev_xstats_names_get(uint8_t dev_id,
1185                 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
1186                 struct rte_event_dev_xstats_name *xstats_names,
1187                 unsigned int *ids, unsigned int size)
1188 {
1189         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
1190         const int cnt_expected_entries = xstats_get_count(dev_id, mode,
1191                                                           queue_port_id);
1192         if (xstats_names == NULL || cnt_expected_entries < 0 ||
1193                         (int)size < cnt_expected_entries)
1194                 return cnt_expected_entries;
1195
1196         /* dev_id checked above */
1197         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1198
1199         if (dev->dev_ops->xstats_get_names != NULL)
1200                 return (*dev->dev_ops->xstats_get_names)(dev, mode,
1201                                 queue_port_id, xstats_names, ids, size);
1202
1203         return -ENOTSUP;
1204 }
1205
1206 /* retrieve eventdev extended statistics */
1207 int
1208 rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode,
1209                 uint8_t queue_port_id, const unsigned int ids[],
1210                 uint64_t values[], unsigned int n)
1211 {
1212         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
1213         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1214
1215         /* implemented by the driver */
1216         if (dev->dev_ops->xstats_get != NULL)
1217                 return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id,
1218                                 ids, values, n);
1219         return -ENOTSUP;
1220 }
1221
1222 uint64_t
1223 rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name,
1224                 unsigned int *id)
1225 {
1226         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
1227         const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1228         unsigned int temp = -1;
1229
1230         if (id != NULL)
1231                 *id = (unsigned int)-1;
1232         else
1233                 id = &temp; /* ensure driver never gets a NULL value */
1234
1235         /* implemented by driver */
1236         if (dev->dev_ops->xstats_get_by_name != NULL)
1237                 return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
1238         return -ENOTSUP;
1239 }
1240
1241 int rte_event_dev_xstats_reset(uint8_t dev_id,
1242                 enum rte_event_dev_xstats_mode mode, int16_t queue_port_id,
1243                 const uint32_t ids[], uint32_t nb_ids)
1244 {
1245         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1246         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1247
1248         if (dev->dev_ops->xstats_reset != NULL)
1249                 return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id,
1250                                                         ids, nb_ids);
1251         return -ENOTSUP;
1252 }
1253
1254 int rte_event_pmd_selftest_seqn_dynfield_offset = -1;
1255
1256 int rte_event_dev_selftest(uint8_t dev_id)
1257 {
1258         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1259         static const struct rte_mbuf_dynfield test_seqn_dynfield_desc = {
1260                 .name = "rte_event_pmd_selftest_seqn_dynfield",
1261                 .size = sizeof(rte_event_pmd_selftest_seqn_t),
1262                 .align = __alignof__(rte_event_pmd_selftest_seqn_t),
1263         };
1264         struct rte_eventdev *dev = &rte_eventdevs[dev_id];
1265
1266         if (dev->dev_ops->dev_selftest != NULL) {
1267                 rte_event_pmd_selftest_seqn_dynfield_offset =
1268                         rte_mbuf_dynfield_register(&test_seqn_dynfield_desc);
1269                 if (rte_event_pmd_selftest_seqn_dynfield_offset < 0)
1270                         return -ENOMEM;
1271                 return (*dev->dev_ops->dev_selftest)();
1272         }
1273         return -ENOTSUP;
1274 }
1275
1276 struct rte_mempool *
1277 rte_event_vector_pool_create(const char *name, unsigned int n,
1278                              unsigned int cache_size, uint16_t nb_elem,
1279                              int socket_id)
1280 {
1281         const char *mp_ops_name;
1282         struct rte_mempool *mp;
1283         unsigned int elt_sz;
1284         int ret;
1285
1286         if (!nb_elem) {
1287                 RTE_LOG(ERR, EVENTDEV,
1288                         "Invalid number of elements=%d requested\n", nb_elem);
1289                 rte_errno = EINVAL;
1290                 return NULL;
1291         }
1292
1293         elt_sz =
1294                 sizeof(struct rte_event_vector) + (nb_elem * sizeof(uintptr_t));
1295         mp = rte_mempool_create_empty(name, n, elt_sz, cache_size, 0, socket_id,
1296                                       0);
1297         if (mp == NULL)
1298                 return NULL;
1299
1300         mp_ops_name = rte_mbuf_best_mempool_ops();
1301         ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL);
1302         if (ret != 0) {
1303                 RTE_LOG(ERR, EVENTDEV, "error setting mempool handler\n");
1304                 goto err;
1305         }
1306
1307         ret = rte_mempool_populate_default(mp);
1308         if (ret < 0)
1309                 goto err;
1310
1311         return mp;
1312 err:
1313         rte_mempool_free(mp);
1314         rte_errno = -ret;
1315         return NULL;
1316 }
1317
1318 int
1319 rte_event_dev_start(uint8_t dev_id)
1320 {
1321         struct rte_eventdev *dev;
1322         int diag;
1323
1324         RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
1325
1326         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1327         dev = &rte_eventdevs[dev_id];
1328         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1329
1330         if (dev->data->dev_started != 0) {
1331                 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started",
1332                         dev_id);
1333                 return 0;
1334         }
1335
1336         diag = (*dev->dev_ops->dev_start)(dev);
1337         rte_eventdev_trace_start(dev_id, diag);
1338         if (diag == 0)
1339                 dev->data->dev_started = 1;
1340         else
1341                 return diag;
1342
1343         return 0;
1344 }
1345
1346 int
1347 rte_event_dev_stop_flush_callback_register(uint8_t dev_id,
1348                 eventdev_stop_flush_t callback, void *userdata)
1349 {
1350         struct rte_eventdev *dev;
1351
1352         RTE_EDEV_LOG_DEBUG("Stop flush register dev_id=%" PRIu8, dev_id);
1353
1354         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1355         dev = &rte_eventdevs[dev_id];
1356
1357         dev->dev_ops->dev_stop_flush = callback;
1358         dev->data->dev_stop_flush_arg = userdata;
1359
1360         return 0;
1361 }
1362
1363 void
1364 rte_event_dev_stop(uint8_t dev_id)
1365 {
1366         struct rte_eventdev *dev;
1367
1368         RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id);
1369
1370         RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id);
1371         dev = &rte_eventdevs[dev_id];
1372         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1373
1374         if (dev->data->dev_started == 0) {
1375                 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped",
1376                         dev_id);
1377                 return;
1378         }
1379
1380         dev->data->dev_started = 0;
1381         (*dev->dev_ops->dev_stop)(dev);
1382         rte_eventdev_trace_stop(dev_id);
1383 }
1384
1385 int
1386 rte_event_dev_close(uint8_t dev_id)
1387 {
1388         struct rte_eventdev *dev;
1389
1390         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1391         dev = &rte_eventdevs[dev_id];
1392         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1393
1394         /* Device must be stopped before it can be closed */
1395         if (dev->data->dev_started == 1) {
1396                 RTE_EDEV_LOG_ERR("Device %u must be stopped before closing",
1397                                 dev_id);
1398                 return -EBUSY;
1399         }
1400
1401         rte_eventdev_trace_close(dev_id);
1402         return (*dev->dev_ops->dev_close)(dev);
1403 }
1404
1405 static inline int
1406 rte_eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data,
1407                 int socket_id)
1408 {
1409         char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1410         const struct rte_memzone *mz;
1411         int n;
1412
1413         /* Generate memzone name */
1414         n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id);
1415         if (n >= (int)sizeof(mz_name))
1416                 return -EINVAL;
1417
1418         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1419                 mz = rte_memzone_reserve(mz_name,
1420                                 sizeof(struct rte_eventdev_data),
1421                                 socket_id, 0);
1422         } else
1423                 mz = rte_memzone_lookup(mz_name);
1424
1425         if (mz == NULL)
1426                 return -ENOMEM;
1427
1428         *data = mz->addr;
1429         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1430                 memset(*data, 0, sizeof(struct rte_eventdev_data));
1431
1432         return 0;
1433 }
1434
1435 static inline uint8_t
1436 rte_eventdev_find_free_device_index(void)
1437 {
1438         uint8_t dev_id;
1439
1440         for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1441                 if (rte_eventdevs[dev_id].attached ==
1442                                 RTE_EVENTDEV_DETACHED)
1443                         return dev_id;
1444         }
1445         return RTE_EVENT_MAX_DEVS;
1446 }
1447
1448 static uint16_t
1449 rte_event_tx_adapter_enqueue(__rte_unused void *port,
1450                         __rte_unused struct rte_event ev[],
1451                         __rte_unused uint16_t nb_events)
1452 {
1453         rte_errno = ENOTSUP;
1454         return 0;
1455 }
1456
1457 static uint16_t
1458 rte_event_crypto_adapter_enqueue(__rte_unused void *port,
1459                         __rte_unused struct rte_event ev[],
1460                         __rte_unused uint16_t nb_events)
1461 {
1462         rte_errno = ENOTSUP;
1463         return 0;
1464 }
1465
1466 struct rte_eventdev *
1467 rte_event_pmd_allocate(const char *name, int socket_id)
1468 {
1469         struct rte_eventdev *eventdev;
1470         uint8_t dev_id;
1471
1472         if (rte_event_pmd_get_named_dev(name) != NULL) {
1473                 RTE_EDEV_LOG_ERR("Event device with name %s already "
1474                                 "allocated!", name);
1475                 return NULL;
1476         }
1477
1478         dev_id = rte_eventdev_find_free_device_index();
1479         if (dev_id == RTE_EVENT_MAX_DEVS) {
1480                 RTE_EDEV_LOG_ERR("Reached maximum number of event devices");
1481                 return NULL;
1482         }
1483
1484         eventdev = &rte_eventdevs[dev_id];
1485
1486         eventdev->txa_enqueue = rte_event_tx_adapter_enqueue;
1487         eventdev->txa_enqueue_same_dest = rte_event_tx_adapter_enqueue;
1488         eventdev->ca_enqueue = rte_event_crypto_adapter_enqueue;
1489
1490         if (eventdev->data == NULL) {
1491                 struct rte_eventdev_data *eventdev_data = NULL;
1492
1493                 int retval = rte_eventdev_data_alloc(dev_id, &eventdev_data,
1494                                 socket_id);
1495
1496                 if (retval < 0 || eventdev_data == NULL)
1497                         return NULL;
1498
1499                 eventdev->data = eventdev_data;
1500
1501                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1502
1503                         strlcpy(eventdev->data->name, name,
1504                                 RTE_EVENTDEV_NAME_MAX_LEN);
1505
1506                         eventdev->data->dev_id = dev_id;
1507                         eventdev->data->socket_id = socket_id;
1508                         eventdev->data->dev_started = 0;
1509                 }
1510
1511                 eventdev->attached = RTE_EVENTDEV_ATTACHED;
1512                 eventdev_globals.nb_devs++;
1513         }
1514
1515         return eventdev;
1516 }
1517
1518 int
1519 rte_event_pmd_release(struct rte_eventdev *eventdev)
1520 {
1521         int ret;
1522         char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
1523         const struct rte_memzone *mz;
1524
1525         if (eventdev == NULL)
1526                 return -EINVAL;
1527
1528         eventdev->attached = RTE_EVENTDEV_DETACHED;
1529         eventdev_globals.nb_devs--;
1530
1531         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1532                 rte_free(eventdev->data->dev_private);
1533
1534                 /* Generate memzone name */
1535                 ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
1536                                 eventdev->data->dev_id);
1537                 if (ret >= (int)sizeof(mz_name))
1538                         return -EINVAL;
1539
1540                 mz = rte_memzone_lookup(mz_name);
1541                 if (mz == NULL)
1542                         return -ENOMEM;
1543
1544                 ret = rte_memzone_free(mz);
1545                 if (ret)
1546                         return ret;
1547         }
1548
1549         eventdev->data = NULL;
1550         return 0;
1551 }
1552
1553
1554 static int
1555 handle_dev_list(const char *cmd __rte_unused,
1556                 const char *params __rte_unused,
1557                 struct rte_tel_data *d)
1558 {
1559         uint8_t dev_id;
1560         int ndev = rte_event_dev_count();
1561
1562         if (ndev < 1)
1563                 return -1;
1564
1565         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1566         for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) {
1567                 if (rte_eventdevs[dev_id].attached ==
1568                                 RTE_EVENTDEV_ATTACHED)
1569                         rte_tel_data_add_array_int(d, dev_id);
1570         }
1571
1572         return 0;
1573 }
1574
1575 static int
1576 handle_port_list(const char *cmd __rte_unused,
1577                  const char *params,
1578                  struct rte_tel_data *d)
1579 {
1580         int i;
1581         uint8_t dev_id;
1582         struct rte_eventdev *dev;
1583         char *end_param;
1584
1585         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1586                 return -1;
1587
1588         dev_id = strtoul(params, &end_param, 10);
1589         if (*end_param != '\0')
1590                 RTE_EDEV_LOG_DEBUG(
1591                         "Extra parameters passed to eventdev telemetry command, ignoring");
1592
1593         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1594         dev = &rte_eventdevs[dev_id];
1595
1596         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1597         for (i = 0; i < dev->data->nb_ports; i++)
1598                 rte_tel_data_add_array_int(d, i);
1599
1600         return 0;
1601 }
1602
1603 static int
1604 handle_queue_list(const char *cmd __rte_unused,
1605                   const char *params,
1606                   struct rte_tel_data *d)
1607 {
1608         int i;
1609         uint8_t dev_id;
1610         struct rte_eventdev *dev;
1611         char *end_param;
1612
1613         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1614                 return -1;
1615
1616         dev_id = strtoul(params, &end_param, 10);
1617         if (*end_param != '\0')
1618                 RTE_EDEV_LOG_DEBUG(
1619                         "Extra parameters passed to eventdev telemetry command, ignoring");
1620
1621         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1622         dev = &rte_eventdevs[dev_id];
1623
1624         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
1625         for (i = 0; i < dev->data->nb_queues; i++)
1626                 rte_tel_data_add_array_int(d, i);
1627
1628         return 0;
1629 }
1630
1631 static int
1632 handle_queue_links(const char *cmd __rte_unused,
1633                    const char *params,
1634                    struct rte_tel_data *d)
1635 {
1636         int i, ret, port_id = 0;
1637         char *end_param;
1638         uint8_t dev_id;
1639         uint8_t queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
1640         uint8_t priorities[RTE_EVENT_MAX_QUEUES_PER_DEV];
1641         const char *p_param;
1642
1643         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1644                 return -1;
1645
1646         /* Get dev ID from parameter string */
1647         dev_id = strtoul(params, &end_param, 10);
1648         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1649
1650         p_param = strtok(end_param, ",");
1651         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1652                 return -1;
1653
1654         port_id = strtoul(p_param, &end_param, 10);
1655         p_param = strtok(NULL, "\0");
1656         if (p_param != NULL)
1657                 RTE_EDEV_LOG_DEBUG(
1658                         "Extra parameters passed to eventdev telemetry command, ignoring");
1659
1660         ret = rte_event_port_links_get(dev_id, port_id, queues, priorities);
1661         if (ret < 0)
1662                 return -1;
1663
1664         rte_tel_data_start_dict(d);
1665         for (i = 0; i < ret; i++) {
1666                 char qid_name[32];
1667
1668                 snprintf(qid_name, 31, "qid_%u", queues[i]);
1669                 rte_tel_data_add_dict_u64(d, qid_name, priorities[i]);
1670         }
1671
1672         return 0;
1673 }
1674
1675 static int
1676 eventdev_build_telemetry_data(int dev_id,
1677                               enum rte_event_dev_xstats_mode mode,
1678                               int port_queue_id,
1679                               struct rte_tel_data *d)
1680 {
1681         struct rte_event_dev_xstats_name *xstat_names;
1682         unsigned int *ids;
1683         uint64_t *values;
1684         int i, ret, num_xstats;
1685
1686         num_xstats = rte_event_dev_xstats_names_get(dev_id,
1687                                                     mode,
1688                                                     port_queue_id,
1689                                                     NULL,
1690                                                     NULL,
1691                                                     0);
1692
1693         if (num_xstats < 0)
1694                 return -1;
1695
1696         /* use one malloc for names */
1697         xstat_names = malloc((sizeof(struct rte_event_dev_xstats_name))
1698                              * num_xstats);
1699         if (xstat_names == NULL)
1700                 return -1;
1701
1702         ids = malloc((sizeof(unsigned int)) * num_xstats);
1703         if (ids == NULL) {
1704                 free(xstat_names);
1705                 return -1;
1706         }
1707
1708         values = malloc((sizeof(uint64_t)) * num_xstats);
1709         if (values == NULL) {
1710                 free(xstat_names);
1711                 free(ids);
1712                 return -1;
1713         }
1714
1715         ret = rte_event_dev_xstats_names_get(dev_id, mode, port_queue_id,
1716                                              xstat_names, ids, num_xstats);
1717         if (ret < 0 || ret > num_xstats) {
1718                 free(xstat_names);
1719                 free(ids);
1720                 free(values);
1721                 return -1;
1722         }
1723
1724         ret = rte_event_dev_xstats_get(dev_id, mode, port_queue_id,
1725                                        ids, values, num_xstats);
1726         if (ret < 0 || ret > num_xstats) {
1727                 free(xstat_names);
1728                 free(ids);
1729                 free(values);
1730                 return -1;
1731         }
1732
1733         rte_tel_data_start_dict(d);
1734         for (i = 0; i < num_xstats; i++)
1735                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
1736                                           values[i]);
1737
1738         free(xstat_names);
1739         free(ids);
1740         free(values);
1741         return 0;
1742 }
1743
1744 static int
1745 handle_dev_xstats(const char *cmd __rte_unused,
1746                   const char *params,
1747                   struct rte_tel_data *d)
1748 {
1749         int dev_id;
1750         enum rte_event_dev_xstats_mode mode;
1751         char *end_param;
1752
1753         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1754                 return -1;
1755
1756         /* Get dev ID from parameter string */
1757         dev_id = strtoul(params, &end_param, 10);
1758         if (*end_param != '\0')
1759                 RTE_EDEV_LOG_DEBUG(
1760                         "Extra parameters passed to eventdev telemetry command, ignoring");
1761
1762         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1763
1764         mode = RTE_EVENT_DEV_XSTATS_DEVICE;
1765         return eventdev_build_telemetry_data(dev_id, mode, 0, d);
1766 }
1767
1768 static int
1769 handle_port_xstats(const char *cmd __rte_unused,
1770                    const char *params,
1771                    struct rte_tel_data *d)
1772 {
1773         int dev_id;
1774         int port_queue_id = 0;
1775         enum rte_event_dev_xstats_mode mode;
1776         char *end_param;
1777         const char *p_param;
1778
1779         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1780                 return -1;
1781
1782         /* Get dev ID from parameter string */
1783         dev_id = strtoul(params, &end_param, 10);
1784         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1785
1786         p_param = strtok(end_param, ",");
1787         mode = RTE_EVENT_DEV_XSTATS_PORT;
1788
1789         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1790                 return -1;
1791
1792         port_queue_id = strtoul(p_param, &end_param, 10);
1793
1794         p_param = strtok(NULL, "\0");
1795         if (p_param != NULL)
1796                 RTE_EDEV_LOG_DEBUG(
1797                         "Extra parameters passed to eventdev telemetry command, ignoring");
1798
1799         return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d);
1800 }
1801
1802 static int
1803 handle_queue_xstats(const char *cmd __rte_unused,
1804                     const char *params,
1805                     struct rte_tel_data *d)
1806 {
1807         int dev_id;
1808         int port_queue_id = 0;
1809         enum rte_event_dev_xstats_mode mode;
1810         char *end_param;
1811         const char *p_param;
1812
1813         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
1814                 return -1;
1815
1816         /* Get dev ID from parameter string */
1817         dev_id = strtoul(params, &end_param, 10);
1818         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
1819
1820         p_param = strtok(end_param, ",");
1821         mode = RTE_EVENT_DEV_XSTATS_QUEUE;
1822
1823         if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param))
1824                 return -1;
1825
1826         port_queue_id = strtoul(p_param, &end_param, 10);
1827
1828         p_param = strtok(NULL, "\0");
1829         if (p_param != NULL)
1830                 RTE_EDEV_LOG_DEBUG(
1831                         "Extra parameters passed to eventdev telemetry command, ignoring");
1832
1833         return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d);
1834 }
1835
1836 RTE_INIT(eventdev_init_telemetry)
1837 {
1838         rte_telemetry_register_cmd("/eventdev/dev_list", handle_dev_list,
1839                         "Returns list of available eventdevs. Takes no parameters");
1840         rte_telemetry_register_cmd("/eventdev/port_list", handle_port_list,
1841                         "Returns list of available ports. Parameter: DevID");
1842         rte_telemetry_register_cmd("/eventdev/queue_list", handle_queue_list,
1843                         "Returns list of available queues. Parameter: DevID");
1844
1845         rte_telemetry_register_cmd("/eventdev/dev_xstats", handle_dev_xstats,
1846                         "Returns stats for an eventdev. Parameter: DevID");
1847         rte_telemetry_register_cmd("/eventdev/port_xstats", handle_port_xstats,
1848                         "Returns stats for an eventdev port. Params: DevID,PortID");
1849         rte_telemetry_register_cmd("/eventdev/queue_xstats",
1850                         handle_queue_xstats,
1851                         "Returns stats for an eventdev queue. Params: DevID,QueueID");
1852         rte_telemetry_register_cmd("/eventdev/queue_links", handle_queue_links,
1853                         "Returns links for an eventdev port. Params: DevID,QueueID");
1854 }