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_port_link(uint8_t dev_id, uint8_t port_id, 868 const uint8_t queues[], const uint8_t priorities[], 869 uint16_t nb_links) 870 { 871 struct rte_eventdev *dev; 872 uint8_t queues_list[RTE_EVENT_MAX_QUEUES_PER_DEV]; 873 uint8_t priorities_list[RTE_EVENT_MAX_QUEUES_PER_DEV]; 874 uint16_t *links_map; 875 int i, diag; 876 877 RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0); 878 dev = &rte_eventdevs[dev_id]; 879 880 if (*dev->dev_ops->port_link == NULL) { 881 RTE_EDEV_LOG_ERR("Function not supported\n"); 882 rte_errno = ENOTSUP; 883 return 0; 884 } 885 886 if (!is_valid_port(dev, port_id)) { 887 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id); 888 rte_errno = EINVAL; 889 return 0; 890 } 891 892 if (queues == NULL) { 893 for (i = 0; i < dev->data->nb_queues; i++) 894 queues_list[i] = i; 895 896 queues = queues_list; 897 nb_links = dev->data->nb_queues; 898 } 899 900 if (priorities == NULL) { 901 for (i = 0; i < nb_links; i++) 902 priorities_list[i] = RTE_EVENT_DEV_PRIORITY_NORMAL; 903 904 priorities = priorities_list; 905 } 906 907 for (i = 0; i < nb_links; i++) 908 if (queues[i] >= dev->data->nb_queues) { 909 rte_errno = EINVAL; 910 return 0; 911 } 912 913 diag = (*dev->dev_ops->port_link)(dev, dev->data->ports[port_id], 914 queues, priorities, nb_links); 915 if (diag < 0) 916 return diag; 917 918 links_map = dev->data->links_map; 919 /* Point links_map to this port specific area */ 920 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV); 921 for (i = 0; i < diag; i++) 922 links_map[queues[i]] = (uint8_t)priorities[i]; 923 924 rte_eventdev_trace_port_link(dev_id, port_id, nb_links, diag); 925 return diag; 926 } 927 928 int 929 rte_event_port_unlink(uint8_t dev_id, uint8_t port_id, 930 uint8_t queues[], uint16_t nb_unlinks) 931 { 932 struct rte_eventdev *dev; 933 uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV]; 934 int i, diag, j; 935 uint16_t *links_map; 936 937 RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, EINVAL, 0); 938 dev = &rte_eventdevs[dev_id]; 939 940 if (*dev->dev_ops->port_unlink == NULL) { 941 RTE_EDEV_LOG_ERR("Function not supported"); 942 rte_errno = ENOTSUP; 943 return 0; 944 } 945 946 if (!is_valid_port(dev, port_id)) { 947 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id); 948 rte_errno = EINVAL; 949 return 0; 950 } 951 952 links_map = dev->data->links_map; 953 /* Point links_map to this port specific area */ 954 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV); 955 956 if (queues == NULL) { 957 j = 0; 958 for (i = 0; i < dev->data->nb_queues; i++) { 959 if (links_map[i] != 960 EVENT_QUEUE_SERVICE_PRIORITY_INVALID) { 961 all_queues[j] = i; 962 j++; 963 } 964 } 965 queues = all_queues; 966 } else { 967 for (j = 0; j < nb_unlinks; j++) { 968 if (links_map[queues[j]] == 969 EVENT_QUEUE_SERVICE_PRIORITY_INVALID) 970 break; 971 } 972 } 973 974 nb_unlinks = j; 975 for (i = 0; i < nb_unlinks; i++) 976 if (queues[i] >= dev->data->nb_queues) { 977 rte_errno = EINVAL; 978 return 0; 979 } 980 981 diag = (*dev->dev_ops->port_unlink)(dev, dev->data->ports[port_id], 982 queues, nb_unlinks); 983 984 if (diag < 0) 985 return diag; 986 987 for (i = 0; i < diag; i++) 988 links_map[queues[i]] = EVENT_QUEUE_SERVICE_PRIORITY_INVALID; 989 990 rte_eventdev_trace_port_unlink(dev_id, port_id, nb_unlinks, diag); 991 return diag; 992 } 993 994 int 995 rte_event_port_unlinks_in_progress(uint8_t dev_id, uint8_t port_id) 996 { 997 struct rte_eventdev *dev; 998 999 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1000 dev = &rte_eventdevs[dev_id]; 1001 if (!is_valid_port(dev, port_id)) { 1002 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id); 1003 return -EINVAL; 1004 } 1005 1006 /* Return 0 if the PMD does not implement unlinks in progress. 1007 * This allows PMDs which handle unlink synchronously to not implement 1008 * this function at all. 1009 */ 1010 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->port_unlinks_in_progress, 0); 1011 1012 return (*dev->dev_ops->port_unlinks_in_progress)(dev, 1013 dev->data->ports[port_id]); 1014 } 1015 1016 int 1017 rte_event_port_links_get(uint8_t dev_id, uint8_t port_id, 1018 uint8_t queues[], uint8_t priorities[]) 1019 { 1020 struct rte_eventdev *dev; 1021 uint16_t *links_map; 1022 int i, count = 0; 1023 1024 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1025 dev = &rte_eventdevs[dev_id]; 1026 if (!is_valid_port(dev, port_id)) { 1027 RTE_EDEV_LOG_ERR("Invalid port_id=%" PRIu8, port_id); 1028 return -EINVAL; 1029 } 1030 1031 links_map = dev->data->links_map; 1032 /* Point links_map to this port specific area */ 1033 links_map += (port_id * RTE_EVENT_MAX_QUEUES_PER_DEV); 1034 for (i = 0; i < dev->data->nb_queues; i++) { 1035 if (links_map[i] != EVENT_QUEUE_SERVICE_PRIORITY_INVALID) { 1036 queues[count] = i; 1037 priorities[count] = (uint8_t)links_map[i]; 1038 ++count; 1039 } 1040 } 1041 return count; 1042 } 1043 1044 int 1045 rte_event_dequeue_timeout_ticks(uint8_t dev_id, uint64_t ns, 1046 uint64_t *timeout_ticks) 1047 { 1048 struct rte_eventdev *dev; 1049 1050 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1051 dev = &rte_eventdevs[dev_id]; 1052 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timeout_ticks, -ENOTSUP); 1053 1054 if (timeout_ticks == NULL) 1055 return -EINVAL; 1056 1057 return (*dev->dev_ops->timeout_ticks)(dev, ns, timeout_ticks); 1058 } 1059 1060 int 1061 rte_event_dev_service_id_get(uint8_t dev_id, uint32_t *service_id) 1062 { 1063 struct rte_eventdev *dev; 1064 1065 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1066 dev = &rte_eventdevs[dev_id]; 1067 1068 if (service_id == NULL) 1069 return -EINVAL; 1070 1071 if (dev->data->service_inited) 1072 *service_id = dev->data->service_id; 1073 1074 return dev->data->service_inited ? 0 : -ESRCH; 1075 } 1076 1077 int 1078 rte_event_dev_dump(uint8_t dev_id, FILE *f) 1079 { 1080 struct rte_eventdev *dev; 1081 1082 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1083 dev = &rte_eventdevs[dev_id]; 1084 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP); 1085 if (f == NULL) 1086 return -EINVAL; 1087 1088 (*dev->dev_ops->dump)(dev, f); 1089 return 0; 1090 1091 } 1092 1093 static int 1094 xstats_get_count(uint8_t dev_id, enum rte_event_dev_xstats_mode mode, 1095 uint8_t queue_port_id) 1096 { 1097 struct rte_eventdev *dev = &rte_eventdevs[dev_id]; 1098 if (dev->dev_ops->xstats_get_names != NULL) 1099 return (*dev->dev_ops->xstats_get_names)(dev, mode, 1100 queue_port_id, 1101 NULL, NULL, 0); 1102 return 0; 1103 } 1104 1105 int 1106 rte_event_dev_xstats_names_get(uint8_t dev_id, 1107 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id, 1108 struct rte_event_dev_xstats_name *xstats_names, 1109 unsigned int *ids, unsigned int size) 1110 { 1111 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV); 1112 const int cnt_expected_entries = xstats_get_count(dev_id, mode, 1113 queue_port_id); 1114 if (xstats_names == NULL || cnt_expected_entries < 0 || 1115 (int)size < cnt_expected_entries) 1116 return cnt_expected_entries; 1117 1118 /* dev_id checked above */ 1119 const struct rte_eventdev *dev = &rte_eventdevs[dev_id]; 1120 1121 if (dev->dev_ops->xstats_get_names != NULL) 1122 return (*dev->dev_ops->xstats_get_names)(dev, mode, 1123 queue_port_id, xstats_names, ids, size); 1124 1125 return -ENOTSUP; 1126 } 1127 1128 /* retrieve eventdev extended statistics */ 1129 int 1130 rte_event_dev_xstats_get(uint8_t dev_id, enum rte_event_dev_xstats_mode mode, 1131 uint8_t queue_port_id, const unsigned int ids[], 1132 uint64_t values[], unsigned int n) 1133 { 1134 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV); 1135 const struct rte_eventdev *dev = &rte_eventdevs[dev_id]; 1136 1137 /* implemented by the driver */ 1138 if (dev->dev_ops->xstats_get != NULL) 1139 return (*dev->dev_ops->xstats_get)(dev, mode, queue_port_id, 1140 ids, values, n); 1141 return -ENOTSUP; 1142 } 1143 1144 uint64_t 1145 rte_event_dev_xstats_by_name_get(uint8_t dev_id, const char *name, 1146 unsigned int *id) 1147 { 1148 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0); 1149 const struct rte_eventdev *dev = &rte_eventdevs[dev_id]; 1150 unsigned int temp = -1; 1151 1152 if (id != NULL) 1153 *id = (unsigned int)-1; 1154 else 1155 id = &temp; /* ensure driver never gets a NULL value */ 1156 1157 /* implemented by driver */ 1158 if (dev->dev_ops->xstats_get_by_name != NULL) 1159 return (*dev->dev_ops->xstats_get_by_name)(dev, name, id); 1160 return -ENOTSUP; 1161 } 1162 1163 int rte_event_dev_xstats_reset(uint8_t dev_id, 1164 enum rte_event_dev_xstats_mode mode, int16_t queue_port_id, 1165 const uint32_t ids[], uint32_t nb_ids) 1166 { 1167 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1168 struct rte_eventdev *dev = &rte_eventdevs[dev_id]; 1169 1170 if (dev->dev_ops->xstats_reset != NULL) 1171 return (*dev->dev_ops->xstats_reset)(dev, mode, queue_port_id, 1172 ids, nb_ids); 1173 return -ENOTSUP; 1174 } 1175 1176 int rte_event_pmd_selftest_seqn_dynfield_offset = -1; 1177 1178 int rte_event_dev_selftest(uint8_t dev_id) 1179 { 1180 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1181 static const struct rte_mbuf_dynfield test_seqn_dynfield_desc = { 1182 .name = "rte_event_pmd_selftest_seqn_dynfield", 1183 .size = sizeof(rte_event_pmd_selftest_seqn_t), 1184 .align = __alignof__(rte_event_pmd_selftest_seqn_t), 1185 }; 1186 struct rte_eventdev *dev = &rte_eventdevs[dev_id]; 1187 1188 if (dev->dev_ops->dev_selftest != NULL) { 1189 rte_event_pmd_selftest_seqn_dynfield_offset = 1190 rte_mbuf_dynfield_register(&test_seqn_dynfield_desc); 1191 if (rte_event_pmd_selftest_seqn_dynfield_offset < 0) 1192 return -ENOMEM; 1193 return (*dev->dev_ops->dev_selftest)(); 1194 } 1195 return -ENOTSUP; 1196 } 1197 1198 struct rte_mempool * 1199 rte_event_vector_pool_create(const char *name, unsigned int n, 1200 unsigned int cache_size, uint16_t nb_elem, 1201 int socket_id) 1202 { 1203 const char *mp_ops_name; 1204 struct rte_mempool *mp; 1205 unsigned int elt_sz; 1206 int ret; 1207 1208 if (!nb_elem) { 1209 RTE_LOG(ERR, EVENTDEV, 1210 "Invalid number of elements=%d requested\n", nb_elem); 1211 rte_errno = EINVAL; 1212 return NULL; 1213 } 1214 1215 elt_sz = 1216 sizeof(struct rte_event_vector) + (nb_elem * sizeof(uintptr_t)); 1217 mp = rte_mempool_create_empty(name, n, elt_sz, cache_size, 0, socket_id, 1218 0); 1219 if (mp == NULL) 1220 return NULL; 1221 1222 mp_ops_name = rte_mbuf_best_mempool_ops(); 1223 ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL); 1224 if (ret != 0) { 1225 RTE_LOG(ERR, EVENTDEV, "error setting mempool handler\n"); 1226 goto err; 1227 } 1228 1229 ret = rte_mempool_populate_default(mp); 1230 if (ret < 0) 1231 goto err; 1232 1233 return mp; 1234 err: 1235 rte_mempool_free(mp); 1236 rte_errno = -ret; 1237 return NULL; 1238 } 1239 1240 int 1241 rte_event_dev_start(uint8_t dev_id) 1242 { 1243 struct rte_eventdev *dev; 1244 int diag; 1245 1246 RTE_EDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id); 1247 1248 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1249 dev = &rte_eventdevs[dev_id]; 1250 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP); 1251 1252 if (dev->data->dev_started != 0) { 1253 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already started", 1254 dev_id); 1255 return 0; 1256 } 1257 1258 diag = (*dev->dev_ops->dev_start)(dev); 1259 rte_eventdev_trace_start(dev_id, diag); 1260 if (diag == 0) 1261 dev->data->dev_started = 1; 1262 else 1263 return diag; 1264 1265 event_dev_fp_ops_set(rte_event_fp_ops + dev_id, dev); 1266 1267 return 0; 1268 } 1269 1270 int 1271 rte_event_dev_stop_flush_callback_register(uint8_t dev_id, 1272 eventdev_stop_flush_t callback, void *userdata) 1273 { 1274 struct rte_eventdev *dev; 1275 1276 RTE_EDEV_LOG_DEBUG("Stop flush register dev_id=%" PRIu8, dev_id); 1277 1278 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1279 dev = &rte_eventdevs[dev_id]; 1280 1281 dev->dev_ops->dev_stop_flush = callback; 1282 dev->data->dev_stop_flush_arg = userdata; 1283 1284 return 0; 1285 } 1286 1287 void 1288 rte_event_dev_stop(uint8_t dev_id) 1289 { 1290 struct rte_eventdev *dev; 1291 1292 RTE_EDEV_LOG_DEBUG("Stop dev_id=%" PRIu8, dev_id); 1293 1294 RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id); 1295 dev = &rte_eventdevs[dev_id]; 1296 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop); 1297 1298 if (dev->data->dev_started == 0) { 1299 RTE_EDEV_LOG_ERR("Device with dev_id=%" PRIu8 "already stopped", 1300 dev_id); 1301 return; 1302 } 1303 1304 dev->data->dev_started = 0; 1305 (*dev->dev_ops->dev_stop)(dev); 1306 rte_eventdev_trace_stop(dev_id); 1307 event_dev_fp_ops_reset(rte_event_fp_ops + dev_id); 1308 } 1309 1310 int 1311 rte_event_dev_close(uint8_t dev_id) 1312 { 1313 struct rte_eventdev *dev; 1314 1315 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1316 dev = &rte_eventdevs[dev_id]; 1317 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP); 1318 1319 /* Device must be stopped before it can be closed */ 1320 if (dev->data->dev_started == 1) { 1321 RTE_EDEV_LOG_ERR("Device %u must be stopped before closing", 1322 dev_id); 1323 return -EBUSY; 1324 } 1325 1326 event_dev_fp_ops_reset(rte_event_fp_ops + dev_id); 1327 rte_eventdev_trace_close(dev_id); 1328 return (*dev->dev_ops->dev_close)(dev); 1329 } 1330 1331 static inline int 1332 eventdev_data_alloc(uint8_t dev_id, struct rte_eventdev_data **data, 1333 int socket_id) 1334 { 1335 char mz_name[RTE_EVENTDEV_NAME_MAX_LEN]; 1336 const struct rte_memzone *mz; 1337 int n; 1338 1339 /* Generate memzone name */ 1340 n = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", dev_id); 1341 if (n >= (int)sizeof(mz_name)) 1342 return -EINVAL; 1343 1344 if (rte_eal_process_type() == RTE_PROC_PRIMARY) { 1345 mz = rte_memzone_reserve(mz_name, 1346 sizeof(struct rte_eventdev_data), 1347 socket_id, 0); 1348 } else 1349 mz = rte_memzone_lookup(mz_name); 1350 1351 if (mz == NULL) 1352 return -ENOMEM; 1353 1354 *data = mz->addr; 1355 if (rte_eal_process_type() == RTE_PROC_PRIMARY) { 1356 memset(*data, 0, sizeof(struct rte_eventdev_data)); 1357 for (n = 0; n < RTE_EVENT_MAX_PORTS_PER_DEV * 1358 RTE_EVENT_MAX_QUEUES_PER_DEV; 1359 n++) 1360 (*data)->links_map[n] = 1361 EVENT_QUEUE_SERVICE_PRIORITY_INVALID; 1362 } 1363 1364 return 0; 1365 } 1366 1367 static inline uint8_t 1368 eventdev_find_free_device_index(void) 1369 { 1370 uint8_t dev_id; 1371 1372 for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) { 1373 if (rte_eventdevs[dev_id].attached == 1374 RTE_EVENTDEV_DETACHED) 1375 return dev_id; 1376 } 1377 return RTE_EVENT_MAX_DEVS; 1378 } 1379 1380 struct rte_eventdev * 1381 rte_event_pmd_allocate(const char *name, int socket_id) 1382 { 1383 struct rte_eventdev *eventdev; 1384 uint8_t dev_id; 1385 1386 if (rte_event_pmd_get_named_dev(name) != NULL) { 1387 RTE_EDEV_LOG_ERR("Event device with name %s already " 1388 "allocated!", name); 1389 return NULL; 1390 } 1391 1392 dev_id = eventdev_find_free_device_index(); 1393 if (dev_id == RTE_EVENT_MAX_DEVS) { 1394 RTE_EDEV_LOG_ERR("Reached maximum number of event devices"); 1395 return NULL; 1396 } 1397 1398 eventdev = &rte_eventdevs[dev_id]; 1399 1400 if (eventdev->data == NULL) { 1401 struct rte_eventdev_data *eventdev_data = NULL; 1402 1403 int retval = 1404 eventdev_data_alloc(dev_id, &eventdev_data, socket_id); 1405 1406 if (retval < 0 || eventdev_data == NULL) 1407 return NULL; 1408 1409 eventdev->data = eventdev_data; 1410 1411 if (rte_eal_process_type() == RTE_PROC_PRIMARY) { 1412 1413 strlcpy(eventdev->data->name, name, 1414 RTE_EVENTDEV_NAME_MAX_LEN); 1415 1416 eventdev->data->dev_id = dev_id; 1417 eventdev->data->socket_id = socket_id; 1418 eventdev->data->dev_started = 0; 1419 } 1420 1421 eventdev->attached = RTE_EVENTDEV_ATTACHED; 1422 eventdev_globals.nb_devs++; 1423 } 1424 1425 return eventdev; 1426 } 1427 1428 int 1429 rte_event_pmd_release(struct rte_eventdev *eventdev) 1430 { 1431 int ret; 1432 char mz_name[RTE_EVENTDEV_NAME_MAX_LEN]; 1433 const struct rte_memzone *mz; 1434 1435 if (eventdev == NULL) 1436 return -EINVAL; 1437 1438 event_dev_fp_ops_reset(rte_event_fp_ops + eventdev->data->dev_id); 1439 eventdev->attached = RTE_EVENTDEV_DETACHED; 1440 eventdev_globals.nb_devs--; 1441 1442 if (rte_eal_process_type() == RTE_PROC_PRIMARY) { 1443 rte_free(eventdev->data->dev_private); 1444 1445 /* Generate memzone name */ 1446 ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u", 1447 eventdev->data->dev_id); 1448 if (ret >= (int)sizeof(mz_name)) 1449 return -EINVAL; 1450 1451 mz = rte_memzone_lookup(mz_name); 1452 if (mz == NULL) 1453 return -ENOMEM; 1454 1455 ret = rte_memzone_free(mz); 1456 if (ret) 1457 return ret; 1458 } 1459 1460 eventdev->data = NULL; 1461 return 0; 1462 } 1463 1464 void 1465 event_dev_probing_finish(struct rte_eventdev *eventdev) 1466 { 1467 if (eventdev == NULL) 1468 return; 1469 1470 event_dev_fp_ops_set(rte_event_fp_ops + eventdev->data->dev_id, 1471 eventdev); 1472 } 1473 1474 static int 1475 handle_dev_list(const char *cmd __rte_unused, 1476 const char *params __rte_unused, 1477 struct rte_tel_data *d) 1478 { 1479 uint8_t dev_id; 1480 int ndev = rte_event_dev_count(); 1481 1482 if (ndev < 1) 1483 return -1; 1484 1485 rte_tel_data_start_array(d, RTE_TEL_INT_VAL); 1486 for (dev_id = 0; dev_id < RTE_EVENT_MAX_DEVS; dev_id++) { 1487 if (rte_eventdevs[dev_id].attached == 1488 RTE_EVENTDEV_ATTACHED) 1489 rte_tel_data_add_array_int(d, dev_id); 1490 } 1491 1492 return 0; 1493 } 1494 1495 static int 1496 handle_port_list(const char *cmd __rte_unused, 1497 const char *params, 1498 struct rte_tel_data *d) 1499 { 1500 int i; 1501 uint8_t dev_id; 1502 struct rte_eventdev *dev; 1503 char *end_param; 1504 1505 if (params == NULL || strlen(params) == 0 || !isdigit(*params)) 1506 return -1; 1507 1508 dev_id = strtoul(params, &end_param, 10); 1509 if (*end_param != '\0') 1510 RTE_EDEV_LOG_DEBUG( 1511 "Extra parameters passed to eventdev telemetry command, ignoring"); 1512 1513 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1514 dev = &rte_eventdevs[dev_id]; 1515 1516 rte_tel_data_start_array(d, RTE_TEL_INT_VAL); 1517 for (i = 0; i < dev->data->nb_ports; i++) 1518 rte_tel_data_add_array_int(d, i); 1519 1520 return 0; 1521 } 1522 1523 static int 1524 handle_queue_list(const char *cmd __rte_unused, 1525 const char *params, 1526 struct rte_tel_data *d) 1527 { 1528 int i; 1529 uint8_t dev_id; 1530 struct rte_eventdev *dev; 1531 char *end_param; 1532 1533 if (params == NULL || strlen(params) == 0 || !isdigit(*params)) 1534 return -1; 1535 1536 dev_id = strtoul(params, &end_param, 10); 1537 if (*end_param != '\0') 1538 RTE_EDEV_LOG_DEBUG( 1539 "Extra parameters passed to eventdev telemetry command, ignoring"); 1540 1541 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1542 dev = &rte_eventdevs[dev_id]; 1543 1544 rte_tel_data_start_array(d, RTE_TEL_INT_VAL); 1545 for (i = 0; i < dev->data->nb_queues; i++) 1546 rte_tel_data_add_array_int(d, i); 1547 1548 return 0; 1549 } 1550 1551 static int 1552 handle_queue_links(const char *cmd __rte_unused, 1553 const char *params, 1554 struct rte_tel_data *d) 1555 { 1556 int i, ret, port_id = 0; 1557 char *end_param; 1558 uint8_t dev_id; 1559 uint8_t queues[RTE_EVENT_MAX_QUEUES_PER_DEV]; 1560 uint8_t priorities[RTE_EVENT_MAX_QUEUES_PER_DEV]; 1561 const char *p_param; 1562 1563 if (params == NULL || strlen(params) == 0 || !isdigit(*params)) 1564 return -1; 1565 1566 /* Get dev ID from parameter string */ 1567 dev_id = strtoul(params, &end_param, 10); 1568 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1569 1570 p_param = strtok(end_param, ","); 1571 if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param)) 1572 return -1; 1573 1574 port_id = strtoul(p_param, &end_param, 10); 1575 p_param = strtok(NULL, "\0"); 1576 if (p_param != NULL) 1577 RTE_EDEV_LOG_DEBUG( 1578 "Extra parameters passed to eventdev telemetry command, ignoring"); 1579 1580 ret = rte_event_port_links_get(dev_id, port_id, queues, priorities); 1581 if (ret < 0) 1582 return -1; 1583 1584 rte_tel_data_start_dict(d); 1585 for (i = 0; i < ret; i++) { 1586 char qid_name[32]; 1587 1588 snprintf(qid_name, 31, "qid_%u", queues[i]); 1589 rte_tel_data_add_dict_u64(d, qid_name, priorities[i]); 1590 } 1591 1592 return 0; 1593 } 1594 1595 static int 1596 eventdev_build_telemetry_data(int dev_id, 1597 enum rte_event_dev_xstats_mode mode, 1598 int port_queue_id, 1599 struct rte_tel_data *d) 1600 { 1601 struct rte_event_dev_xstats_name *xstat_names; 1602 unsigned int *ids; 1603 uint64_t *values; 1604 int i, ret, num_xstats; 1605 1606 num_xstats = rte_event_dev_xstats_names_get(dev_id, 1607 mode, 1608 port_queue_id, 1609 NULL, 1610 NULL, 1611 0); 1612 1613 if (num_xstats < 0) 1614 return -1; 1615 1616 /* use one malloc for names */ 1617 xstat_names = malloc((sizeof(struct rte_event_dev_xstats_name)) 1618 * num_xstats); 1619 if (xstat_names == NULL) 1620 return -1; 1621 1622 ids = malloc((sizeof(unsigned int)) * num_xstats); 1623 if (ids == NULL) { 1624 free(xstat_names); 1625 return -1; 1626 } 1627 1628 values = malloc((sizeof(uint64_t)) * num_xstats); 1629 if (values == NULL) { 1630 free(xstat_names); 1631 free(ids); 1632 return -1; 1633 } 1634 1635 ret = rte_event_dev_xstats_names_get(dev_id, mode, port_queue_id, 1636 xstat_names, ids, num_xstats); 1637 if (ret < 0 || ret > num_xstats) { 1638 free(xstat_names); 1639 free(ids); 1640 free(values); 1641 return -1; 1642 } 1643 1644 ret = rte_event_dev_xstats_get(dev_id, mode, port_queue_id, 1645 ids, values, num_xstats); 1646 if (ret < 0 || ret > num_xstats) { 1647 free(xstat_names); 1648 free(ids); 1649 free(values); 1650 return -1; 1651 } 1652 1653 rte_tel_data_start_dict(d); 1654 for (i = 0; i < num_xstats; i++) 1655 rte_tel_data_add_dict_u64(d, xstat_names[i].name, 1656 values[i]); 1657 1658 free(xstat_names); 1659 free(ids); 1660 free(values); 1661 return 0; 1662 } 1663 1664 static int 1665 handle_dev_xstats(const char *cmd __rte_unused, 1666 const char *params, 1667 struct rte_tel_data *d) 1668 { 1669 int dev_id; 1670 enum rte_event_dev_xstats_mode mode; 1671 char *end_param; 1672 1673 if (params == NULL || strlen(params) == 0 || !isdigit(*params)) 1674 return -1; 1675 1676 /* Get dev ID from parameter string */ 1677 dev_id = strtoul(params, &end_param, 10); 1678 if (*end_param != '\0') 1679 RTE_EDEV_LOG_DEBUG( 1680 "Extra parameters passed to eventdev telemetry command, ignoring"); 1681 1682 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1683 1684 mode = RTE_EVENT_DEV_XSTATS_DEVICE; 1685 return eventdev_build_telemetry_data(dev_id, mode, 0, d); 1686 } 1687 1688 static int 1689 handle_port_xstats(const char *cmd __rte_unused, 1690 const char *params, 1691 struct rte_tel_data *d) 1692 { 1693 int dev_id; 1694 int port_queue_id = 0; 1695 enum rte_event_dev_xstats_mode mode; 1696 char *end_param; 1697 const char *p_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 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1705 1706 p_param = strtok(end_param, ","); 1707 mode = RTE_EVENT_DEV_XSTATS_PORT; 1708 1709 if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param)) 1710 return -1; 1711 1712 port_queue_id = strtoul(p_param, &end_param, 10); 1713 1714 p_param = strtok(NULL, "\0"); 1715 if (p_param != NULL) 1716 RTE_EDEV_LOG_DEBUG( 1717 "Extra parameters passed to eventdev telemetry command, ignoring"); 1718 1719 return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d); 1720 } 1721 1722 static int 1723 handle_queue_xstats(const char *cmd __rte_unused, 1724 const char *params, 1725 struct rte_tel_data *d) 1726 { 1727 int dev_id; 1728 int port_queue_id = 0; 1729 enum rte_event_dev_xstats_mode mode; 1730 char *end_param; 1731 const char *p_param; 1732 1733 if (params == NULL || strlen(params) == 0 || !isdigit(*params)) 1734 return -1; 1735 1736 /* Get dev ID from parameter string */ 1737 dev_id = strtoul(params, &end_param, 10); 1738 RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); 1739 1740 p_param = strtok(end_param, ","); 1741 mode = RTE_EVENT_DEV_XSTATS_QUEUE; 1742 1743 if (p_param == NULL || strlen(p_param) == 0 || !isdigit(*p_param)) 1744 return -1; 1745 1746 port_queue_id = strtoul(p_param, &end_param, 10); 1747 1748 p_param = strtok(NULL, "\0"); 1749 if (p_param != NULL) 1750 RTE_EDEV_LOG_DEBUG( 1751 "Extra parameters passed to eventdev telemetry command, ignoring"); 1752 1753 return eventdev_build_telemetry_data(dev_id, mode, port_queue_id, d); 1754 } 1755 1756 RTE_INIT(eventdev_init_telemetry) 1757 { 1758 rte_telemetry_register_cmd("/eventdev/dev_list", handle_dev_list, 1759 "Returns list of available eventdevs. Takes no parameters"); 1760 rte_telemetry_register_cmd("/eventdev/port_list", handle_port_list, 1761 "Returns list of available ports. Parameter: DevID"); 1762 rte_telemetry_register_cmd("/eventdev/queue_list", handle_queue_list, 1763 "Returns list of available queues. Parameter: DevID"); 1764 1765 rte_telemetry_register_cmd("/eventdev/dev_xstats", handle_dev_xstats, 1766 "Returns stats for an eventdev. Parameter: DevID"); 1767 rte_telemetry_register_cmd("/eventdev/port_xstats", handle_port_xstats, 1768 "Returns stats for an eventdev port. Params: DevID,PortID"); 1769 rte_telemetry_register_cmd("/eventdev/queue_xstats", 1770 handle_queue_xstats, 1771 "Returns stats for an eventdev queue. Params: DevID,QueueID"); 1772 rte_telemetry_register_cmd("/eventdev/queue_links", handle_queue_links, 1773 "Returns links for an eventdev port. Params: DevID,QueueID"); 1774 } 1775