lib/librte_rawdev/rte_rawdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2017 NXP
   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_telemetry.h>
  33
  34 #include "rte_rawdev.h"
  35 #include "rte_rawdev_pmd.h"
  36
  37 static struct rte_rawdev rte_rawdevices[RTE_RAWDEV_MAX_DEVS];
  38
  39 struct rte_rawdev *rte_rawdevs = rte_rawdevices;
  40
  41 static struct rte_rawdev_global rawdev_globals = {
  42         .nb_devs                = 0
  43 };
  44
  45 /* Raw device, northbound API implementation */
  46 uint8_t
  47 rte_rawdev_count(void)
  48 {
  49         return rawdev_globals.nb_devs;
  50 }
  51
  52 uint16_t
  53 rte_rawdev_get_dev_id(const char *name)
  54 {
  55         uint16_t i;
  56
  57         if (!name)
  58                 return -EINVAL;
  59
  60         for (i = 0; i < rawdev_globals.nb_devs; i++)
  61                 if ((strcmp(rte_rawdevices[i].name, name)
  62                                 == 0) &&
  63                                 (rte_rawdevices[i].attached ==
  64                                                 RTE_RAWDEV_ATTACHED))
  65                         return i;
  66         return -ENODEV;
  67 }
  68
  69 int
  70 rte_rawdev_socket_id(uint16_t dev_id)
  71 {
  72         struct rte_rawdev *dev;
  73
  74         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
  75         dev = &rte_rawdevs[dev_id];
  76
  77         return dev->socket_id;
  78 }
  79
  80 int
  81 rte_rawdev_info_get(uint16_t dev_id, struct rte_rawdev_info *dev_info,
  82                 size_t dev_private_size)
  83 {
  84         struct rte_rawdev *rawdev;
  85         int ret = 0;
  86
  87         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
  88         RTE_FUNC_PTR_OR_ERR_RET(dev_info, -EINVAL);
  89
  90         rawdev = &rte_rawdevs[dev_id];
  91
  92         if (dev_info->dev_private != NULL) {
  93                 RTE_FUNC_PTR_OR_ERR_RET(*rawdev->dev_ops->dev_info_get, -ENOTSUP);
  94                 ret = (*rawdev->dev_ops->dev_info_get)(rawdev,
  95                                 dev_info->dev_private,
  96                                 dev_private_size);
  97         }
  98
  99         dev_info->driver_name = rawdev->driver_name;
 100         dev_info->device = rawdev->device;
 101         dev_info->socket_id = rawdev->socket_id;
 102
 103         return ret;
 104 }
 105
 106 int
 107 rte_rawdev_configure(uint16_t dev_id, struct rte_rawdev_info *dev_conf,
 108                 size_t dev_private_size)
 109 {
 110         struct rte_rawdev *dev;
 111         int diag;
 112
 113         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 114         RTE_FUNC_PTR_OR_ERR_RET(dev_conf, -EINVAL);
 115
 116         dev = &rte_rawdevs[dev_id];
 117
 118         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 119
 120         if (dev->started) {
 121                 RTE_RDEV_ERR(
 122                    "device %d must be stopped to allow configuration", dev_id);
 123                 return -EBUSY;
 124         }
 125
 126         /* Configure the device */
 127         diag = (*dev->dev_ops->dev_configure)(dev, dev_conf->dev_private,
 128                         dev_private_size);
 129         if (diag != 0)
 130                 RTE_RDEV_ERR("dev%d dev_configure = %d", dev_id, diag);
 131         else
 132                 dev->attached = 1;
 133
 134         return diag;
 135 }
 136
 137 int
 138 rte_rawdev_queue_conf_get(uint16_t dev_id,
 139                           uint16_t queue_id,
 140                           rte_rawdev_obj_t queue_conf,
 141                           size_t queue_conf_size)
 142 {
 143         struct rte_rawdev *dev;
 144
 145         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 146         dev = &rte_rawdevs[dev_id];
 147
 148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP);
 149         return (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf,
 150                         queue_conf_size);
 151 }
 152
 153 int
 154 rte_rawdev_queue_setup(uint16_t dev_id,
 155                        uint16_t queue_id,
 156                        rte_rawdev_obj_t queue_conf,
 157                        size_t queue_conf_size)
 158 {
 159         struct rte_rawdev *dev;
 160
 161         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 162         dev = &rte_rawdevs[dev_id];
 163
 164         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP);
 165         return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf,
 166                         queue_conf_size);
 167 }
 168
 169 int
 170 rte_rawdev_queue_release(uint16_t dev_id, uint16_t queue_id)
 171 {
 172         struct rte_rawdev *dev;
 173
 174         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 175         dev = &rte_rawdevs[dev_id];
 176
 177         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP);
 178         return (*dev->dev_ops->queue_release)(dev, queue_id);
 179 }
 180
 181 uint16_t
 182 rte_rawdev_queue_count(uint16_t dev_id)
 183 {
 184         struct rte_rawdev *dev;
 185
 186         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 187         dev = &rte_rawdevs[dev_id];
 188
 189         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_count, -ENOTSUP);
 190         return (*dev->dev_ops->queue_count)(dev);
 191 }
 192
 193 int
 194 rte_rawdev_get_attr(uint16_t dev_id,
 195                     const char *attr_name,
 196                     uint64_t *attr_value)
 197 {
 198         struct rte_rawdev *dev;
 199
 200         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 201         dev = &rte_rawdevs[dev_id];
 202
 203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->attr_get, -ENOTSUP);
 204         return (*dev->dev_ops->attr_get)(dev, attr_name, attr_value);
 205 }
 206
 207 int
 208 rte_rawdev_set_attr(uint16_t dev_id,
 209                     const char *attr_name,
 210                     const uint64_t attr_value)
 211 {
 212         struct rte_rawdev *dev;
 213
 214         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 215         dev = &rte_rawdevs[dev_id];
 216
 217         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->attr_set, -ENOTSUP);
 218         return (*dev->dev_ops->attr_set)(dev, attr_name, attr_value);
 219 }
 220
 221 int
 222 rte_rawdev_enqueue_buffers(uint16_t dev_id,
 223                            struct rte_rawdev_buf **buffers,
 224                            unsigned int count,
 225                            rte_rawdev_obj_t context)
 226 {
 227         struct rte_rawdev *dev;
 228
 229         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 230         dev = &rte_rawdevs[dev_id];
 231
 232         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->enqueue_bufs, -ENOTSUP);
 233         return (*dev->dev_ops->enqueue_bufs)(dev, buffers, count, context);
 234 }
 235
 236 int
 237 rte_rawdev_dequeue_buffers(uint16_t dev_id,
 238                            struct rte_rawdev_buf **buffers,
 239                            unsigned int count,
 240                            rte_rawdev_obj_t context)
 241 {
 242         struct rte_rawdev *dev;
 243
 244         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 245         dev = &rte_rawdevs[dev_id];
 246
 247         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dequeue_bufs, -ENOTSUP);
 248         return (*dev->dev_ops->dequeue_bufs)(dev, buffers, count, context);
 249 }
 250
 251 int
 252 rte_rawdev_dump(uint16_t dev_id, FILE *f)
 253 {
 254         struct rte_rawdev *dev;
 255
 256         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 257         dev = &rte_rawdevs[dev_id];
 258
 259         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP);
 260         return (*dev->dev_ops->dump)(dev, f);
 261 }
 262
 263 static int
 264 xstats_get_count(uint16_t dev_id)
 265 {
 266         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 267
 268         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get_names, -ENOTSUP);
 269         return (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
 270 }
 271
 272 int
 273 rte_rawdev_xstats_names_get(uint16_t dev_id,
 274                 struct rte_rawdev_xstats_name *xstats_names,
 275                 unsigned int size)
 276 {
 277         const struct rte_rawdev *dev;
 278         int cnt_expected_entries;
 279
 280         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
 281
 282         cnt_expected_entries = xstats_get_count(dev_id);
 283
 284         if (xstats_names == NULL || cnt_expected_entries < 0 ||
 285             (int)size < cnt_expected_entries || size <= 0)
 286                 return cnt_expected_entries;
 287
 288         dev = &rte_rawdevs[dev_id];
 289
 290         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get_names, -ENOTSUP);
 291         return (*dev->dev_ops->xstats_get_names)(dev, xstats_names, size);
 292 }
 293
 294 /* retrieve rawdev extended statistics */
 295 int
 296 rte_rawdev_xstats_get(uint16_t dev_id,
 297                       const unsigned int ids[],
 298                       uint64_t values[],
 299                       unsigned int n)
 300 {
 301         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV);
 302         const struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 303
 304         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get, -ENOTSUP);
 305         return (*dev->dev_ops->xstats_get)(dev, ids, values, n);
 306 }
 307
 308 uint64_t
 309 rte_rawdev_xstats_by_name_get(uint16_t dev_id,
 310                               const char *name,
 311                               unsigned int *id)
 312 {
 313         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0);
 314         const struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 315         unsigned int temp = -1;
 316
 317         if (id != NULL)
 318                 *id = (unsigned int)-1;
 319         else
 320                 id = &temp; /* driver never gets a NULL value */
 321
 322         /* implemented by driver */
 323         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get_by_name, -ENOTSUP);
 324         return (*dev->dev_ops->xstats_get_by_name)(dev, name, id);
 325 }
 326
 327 int
 328 rte_rawdev_xstats_reset(uint16_t dev_id,
 329                         const uint32_t ids[], uint32_t nb_ids)
 330 {
 331         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 332         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 333
 334         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_reset, -ENOTSUP);
 335         return (*dev->dev_ops->xstats_reset)(dev, ids, nb_ids);
 336 }
 337
 338 int
 339 rte_rawdev_firmware_status_get(uint16_t dev_id, rte_rawdev_obj_t status_info)
 340 {
 341         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 342         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 343
 344         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_status_get, -ENOTSUP);
 345         return (*dev->dev_ops->firmware_status_get)(dev, status_info);
 346 }
 347
 348 int
 349 rte_rawdev_firmware_version_get(uint16_t dev_id, rte_rawdev_obj_t version_info)
 350 {
 351         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 352         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 353
 354         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_version_get, -ENOTSUP);
 355         return (*dev->dev_ops->firmware_version_get)(dev, version_info);
 356 }
 357
 358 int
 359 rte_rawdev_firmware_load(uint16_t dev_id, rte_rawdev_obj_t firmware_image)
 360 {
 361         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 362         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 363
 364         if (!firmware_image)
 365                 return -EINVAL;
 366
 367         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_load, -ENOTSUP);
 368         return (*dev->dev_ops->firmware_load)(dev, firmware_image);
 369 }
 370
 371 int
 372 rte_rawdev_firmware_unload(uint16_t dev_id)
 373 {
 374         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 375         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 376
 377         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_load, -ENOTSUP);
 378         return (*dev->dev_ops->firmware_unload)(dev);
 379 }
 380
 381 int
 382 rte_rawdev_selftest(uint16_t dev_id)
 383 {
 384         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 385         struct rte_rawdev *dev = &rte_rawdevs[dev_id];
 386
 387         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_selftest, -ENOTSUP);
 388         return (*dev->dev_ops->dev_selftest)(dev_id);
 389 }
 390
 391 int
 392 rte_rawdev_start(uint16_t dev_id)
 393 {
 394         struct rte_rawdev *dev;
 395         int diag;
 396
 397         RTE_RDEV_DEBUG("Start dev_id=%" PRIu8, dev_id);
 398
 399         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 400         dev = &rte_rawdevs[dev_id];
 401         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
 402
 403         if (dev->started != 0) {
 404                 RTE_RDEV_ERR("Device with dev_id=%" PRIu8 "already started",
 405                              dev_id);
 406                 return 0;
 407         }
 408
 409         diag = (*dev->dev_ops->dev_start)(dev);
 410         if (diag == 0)
 411                 dev->started = 1;
 412         else
 413                 return diag;
 414
 415         return 0;
 416 }
 417
 418 void
 419 rte_rawdev_stop(uint16_t dev_id)
 420 {
 421         struct rte_rawdev *dev;
 422
 423         RTE_RDEV_DEBUG("Stop dev_id=%" PRIu8, dev_id);
 424
 425         RTE_RAWDEV_VALID_DEVID_OR_RET(dev_id);
 426         dev = &rte_rawdevs[dev_id];
 427
 428         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
 429
 430         if (dev->started == 0) {
 431                 RTE_RDEV_ERR("Device with dev_id=%" PRIu8 "already stopped",
 432                         dev_id);
 433                 return;
 434         }
 435
 436         (*dev->dev_ops->dev_stop)(dev);
 437         dev->started = 0;
 438 }
 439
 440 int
 441 rte_rawdev_close(uint16_t dev_id)
 442 {
 443         struct rte_rawdev *dev;
 444
 445         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 446         dev = &rte_rawdevs[dev_id];
 447
 448         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
 449         /* Device must be stopped before it can be closed */
 450         if (dev->started == 1) {
 451                 RTE_RDEV_ERR("Device %u must be stopped before closing",
 452                              dev_id);
 453                 return -EBUSY;
 454         }
 455
 456         return (*dev->dev_ops->dev_close)(dev);
 457 }
 458
 459 int
 460 rte_rawdev_reset(uint16_t dev_id)
 461 {
 462         struct rte_rawdev *dev;
 463
 464         RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
 465         dev = &rte_rawdevs[dev_id];
 466
 467         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
 468         /* Reset is not dependent on state of the device */
 469         return (*dev->dev_ops->dev_reset)(dev);
 470 }
 471
 472 static inline uint8_t
 473 rte_rawdev_find_free_device_index(void)
 474 {
 475         uint16_t dev_id;
 476
 477         for (dev_id = 0; dev_id < RTE_RAWDEV_MAX_DEVS; dev_id++) {
 478                 if (rte_rawdevs[dev_id].attached ==
 479                                 RTE_RAWDEV_DETACHED)
 480                         return dev_id;
 481         }
 482
 483         return RTE_RAWDEV_MAX_DEVS;
 484 }
 485
 486 struct rte_rawdev *
 487 rte_rawdev_pmd_allocate(const char *name, size_t dev_priv_size, int socket_id)
 488 {
 489         struct rte_rawdev *rawdev;
 490         uint16_t dev_id;
 491
 492         if (rte_rawdev_pmd_get_named_dev(name) != NULL) {
 493                 RTE_RDEV_ERR("Event device with name %s already allocated!",
 494                              name);
 495                 return NULL;
 496         }
 497
 498         dev_id = rte_rawdev_find_free_device_index();
 499         if (dev_id == RTE_RAWDEV_MAX_DEVS) {
 500                 RTE_RDEV_ERR("Reached maximum number of raw devices");
 501                 return NULL;
 502         }
 503
 504         rawdev = &rte_rawdevs[dev_id];
 505
 506         if (dev_priv_size > 0) {
 507                 rawdev->dev_private = rte_zmalloc_socket("rawdev private",
 508                                      dev_priv_size,
 509                                      RTE_CACHE_LINE_SIZE,
 510                                      socket_id);
 511                 if (!rawdev->dev_private) {
 512                         RTE_RDEV_ERR("Unable to allocate memory for rawdev");
 513                         return NULL;
 514                 }
 515         }
 516
 517         rawdev->dev_id = dev_id;
 518         rawdev->socket_id = socket_id;
 519         rawdev->started = 0;
 520         strlcpy(rawdev->name, name, RTE_RAWDEV_NAME_MAX_LEN);
 521
 522         rawdev->attached = RTE_RAWDEV_ATTACHED;
 523         rawdev_globals.nb_devs++;
 524
 525         return rawdev;
 526 }
 527
 528 int
 529 rte_rawdev_pmd_release(struct rte_rawdev *rawdev)
 530 {
 531         int ret;
 532
 533         if (rawdev == NULL)
 534                 return -EINVAL;
 535
 536         ret = rte_rawdev_close(rawdev->dev_id);
 537         if (ret < 0)
 538                 return ret;
 539
 540         rawdev->attached = RTE_RAWDEV_DETACHED;
 541         rawdev_globals.nb_devs--;
 542
 543         rawdev->dev_id = 0;
 544         rawdev->socket_id = 0;
 545         rawdev->dev_ops = NULL;
 546         if (rawdev->dev_private) {
 547                 rte_free(rawdev->dev_private);
 548                 rawdev->dev_private = NULL;
 549         }
 550
 551         return 0;
 552 }
 553
 554 static int
 555 handle_dev_list(const char *cmd __rte_unused,
 556                 const char *params __rte_unused,
 557                 struct rte_tel_data *d)
 558 {
 559         int i;
 560
 561         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
 562         for (i = 0; i < rawdev_globals.nb_devs; i++)
 563                 if (rte_rawdevices[i].attached == RTE_RAWDEV_ATTACHED)
 564                         rte_tel_data_add_array_int(d, i);
 565         return 0;
 566 }
 567
 568 static int
 569 handle_dev_xstats(const char *cmd __rte_unused,
 570                 const char *params,
 571                 struct rte_tel_data *d)
 572 {
 573         uint64_t *rawdev_xstats;
 574         struct rte_rawdev_xstats_name *xstat_names;
 575         int dev_id, num_xstats, i, ret;
 576         unsigned int *ids;
 577
 578         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
 579                 return -1;
 580
 581         dev_id = atoi(params);
 582         if (!rte_rawdev_pmd_is_valid_dev(dev_id))
 583                 return -1;
 584
 585         num_xstats = xstats_get_count(dev_id);
 586         if (num_xstats < 0)
 587                 return -1;
 588
 589         /* use one malloc for names, stats and ids */
 590         rawdev_xstats = malloc((sizeof(uint64_t) +
 591                         sizeof(struct rte_rawdev_xstats_name) +
 592                         sizeof(unsigned int)) * num_xstats);
 593         if (rawdev_xstats == NULL)
 594                 return -1;
 595         xstat_names = (void *)&rawdev_xstats[num_xstats];
 596         ids = (void *)&xstat_names[num_xstats];
 597
 598         ret = rte_rawdev_xstats_names_get(dev_id, xstat_names, num_xstats);
 599         if (ret < 0 || ret > num_xstats) {
 600                 free(rawdev_xstats);
 601                 return -1;
 602         }
 603
 604         for (i = 0; i < num_xstats; i++)
 605                 ids[i] = i;
 606
 607         ret = rte_rawdev_xstats_get(dev_id, ids, rawdev_xstats, num_xstats);
 608         if (ret < 0 || ret > num_xstats) {
 609                 free(rawdev_xstats);
 610                 return -1;
 611         }
 612
 613         rte_tel_data_start_dict(d);
 614         for (i = 0; i < num_xstats; i++)
 615                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
 616                                 rawdev_xstats[i]);
 617
 618         free(rawdev_xstats);
 619         return 0;
 620 }
 621
 622 RTE_LOG_REGISTER(librawdev_logtype, lib.rawdev, INFO);
 623
 624 RTE_INIT(librawdev_init_telemetry)
 625 {
 626         rte_telemetry_register_cmd("/rawdev/list", handle_dev_list,
 627                         "Returns list of available rawdev ports. Takes no parameters");
 628         rte_telemetry_register_cmd("/rawdev/xstats", handle_dev_xstats,
 629                         "Returns the xstats for a rawdev port. Parameters: int port_id");
 630 }