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