drivers/event/dpaa/dpaa_eventdev.c

   1 /*   SPDX-License-Identifier:        BSD-3-Clause
   2  *   Copyright 2017 NXP
   3  */
   4
   5 #include <assert.h>
   6 #include <stdio.h>
   7 #include <stdbool.h>
   8 #include <errno.h>
   9 #include <stdint.h>
  10 #include <string.h>
  11 #include <sys/epoll.h>
  12
  13 #include <rte_atomic.h>
  14 #include <rte_byteorder.h>
  15 #include <rte_common.h>
  16 #include <rte_debug.h>
  17 #include <rte_dev.h>
  18 #include <rte_eal.h>
  19 #include <rte_lcore.h>
  20 #include <rte_log.h>
  21 #include <rte_malloc.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_memory.h>
  24 #include <rte_memzone.h>
  25 #include <rte_pci.h>
  26 #include <rte_eventdev.h>
  27 #include <rte_eventdev_pmd_vdev.h>
  28 #include <rte_ethdev.h>
  29 #include <rte_event_eth_rx_adapter.h>
  30 #include <rte_dpaa_bus.h>
  31 #include <rte_dpaa_logs.h>
  32 #include <rte_cycles_64.h>
  33
  34 #include <dpaa_ethdev.h>
  35 #include "dpaa_eventdev.h"
  36 #include <dpaa_mempool.h>
  37
  38 /*
  39  * Clarifications
  40  * Evendev = Virtual Instance for SoC
  41  * Eventport = Portal Instance
  42  * Eventqueue = Channel Instance
  43  * 1 Eventdev can have N Eventqueue
  44  */
  45
  46 static int
  47 dpaa_event_dequeue_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
  48                                  uint64_t *timeout_ticks)
  49 {
  50         uint64_t cycles_per_second;
  51
  52         EVENTDEV_DRV_FUNC_TRACE();
  53
  54         RTE_SET_USED(dev);
  55
  56         cycles_per_second = rte_get_timer_hz();
  57         *timeout_ticks = ns * (cycles_per_second / NS_PER_S);
  58
  59         return 0;
  60 }
  61
  62 static void
  63 dpaa_eventq_portal_add(u16 ch_id)
  64 {
  65         uint32_t sdqcr;
  66
  67         sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(ch_id);
  68         qman_static_dequeue_add(sdqcr, NULL);
  69 }
  70
  71 static uint16_t
  72 dpaa_event_enqueue_burst(void *port, const struct rte_event ev[],
  73                          uint16_t nb_events)
  74 {
  75         uint16_t i;
  76         struct rte_mbuf *mbuf;
  77
  78         RTE_SET_USED(port);
  79         /*Release all the contexts saved previously*/
  80         for (i = 0; i < nb_events; i++) {
  81                 switch (ev[i].op) {
  82                 case RTE_EVENT_OP_RELEASE:
  83                         qman_dca_index(ev[i].impl_opaque, 0);
  84                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
  85                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
  86                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
  87                         DPAA_PER_LCORE_DQRR_SIZE--;
  88                         break;
  89                 default:
  90                         break;
  91                 }
  92         }
  93
  94         return nb_events;
  95 }
  96
  97 static uint16_t
  98 dpaa_event_enqueue(void *port, const struct rte_event *ev)
  99 {
 100         return dpaa_event_enqueue_burst(port, ev, 1);
 101 }
 102
 103 static uint16_t
 104 dpaa_event_dequeue_burst(void *port, struct rte_event ev[],
 105                          uint16_t nb_events, uint64_t timeout_ticks)
 106 {
 107         int ret;
 108         u16 ch_id;
 109         void *buffers[8];
 110         u32 num_frames, i;
 111         uint64_t wait_time, cur_ticks, start_ticks;
 112         struct dpaa_port *portal = (struct dpaa_port *)port;
 113         struct rte_mbuf *mbuf;
 114
 115         /* Affine current thread context to a qman portal */
 116         ret = rte_dpaa_portal_init((void *)0);
 117         if (ret) {
 118                 DPAA_EVENTDEV_ERR("Unable to initialize portal");
 119                 return ret;
 120         }
 121
 122         if (unlikely(!portal->is_port_linked)) {
 123                 /*
 124                  * Affine event queue for current thread context
 125                  * to a qman portal.
 126                  */
 127                 for (i = 0; i < portal->num_linked_evq; i++) {
 128                         ch_id = portal->evq_info[i].ch_id;
 129                         dpaa_eventq_portal_add(ch_id);
 130                 }
 131                 portal->is_port_linked = true;
 132         }
 133
 134         /* Check if there are atomic contexts to be released */
 135         i = 0;
 136         while (DPAA_PER_LCORE_DQRR_SIZE) {
 137                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
 138                         qman_dca_index(i, 0);
 139                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
 140                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
 141                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 142                         DPAA_PER_LCORE_DQRR_SIZE--;
 143                 }
 144                 i++;
 145         }
 146         DPAA_PER_LCORE_DQRR_HELD = 0;
 147
 148         if (portal->timeout == DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_INVALID)
 149                 wait_time = timeout_ticks;
 150         else
 151                 wait_time = portal->timeout;
 152
 153         /* Lets dequeue the frames */
 154         start_ticks = rte_get_timer_cycles();
 155         wait_time += start_ticks;
 156         do {
 157                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
 158                 if (num_frames != 0)
 159                         break;
 160                 cur_ticks = rte_get_timer_cycles();
 161         } while (cur_ticks < wait_time);
 162
 163         return num_frames;
 164 }
 165
 166 static uint16_t
 167 dpaa_event_dequeue(void *port, struct rte_event *ev, uint64_t timeout_ticks)
 168 {
 169         return dpaa_event_dequeue_burst(port, ev, 1, timeout_ticks);
 170 }
 171
 172 static void
 173 dpaa_event_dev_info_get(struct rte_eventdev *dev,
 174                         struct rte_event_dev_info *dev_info)
 175 {
 176         EVENTDEV_DRV_FUNC_TRACE();
 177
 178         RTE_SET_USED(dev);
 179         dev_info->driver_name = "event_dpaa";
 180         dev_info->min_dequeue_timeout_ns =
 181                 DPAA_EVENT_MIN_DEQUEUE_TIMEOUT;
 182         dev_info->max_dequeue_timeout_ns =
 183                 DPAA_EVENT_MAX_DEQUEUE_TIMEOUT;
 184         dev_info->dequeue_timeout_ns =
 185                 DPAA_EVENT_MIN_DEQUEUE_TIMEOUT;
 186         dev_info->max_event_queues =
 187                 DPAA_EVENT_MAX_QUEUES;
 188         dev_info->max_event_queue_flows =
 189                 DPAA_EVENT_MAX_QUEUE_FLOWS;
 190         dev_info->max_event_queue_priority_levels =
 191                 DPAA_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
 192         dev_info->max_event_priority_levels =
 193                 DPAA_EVENT_MAX_EVENT_PRIORITY_LEVELS;
 194         dev_info->max_event_ports =
 195                 DPAA_EVENT_MAX_EVENT_PORT;
 196         dev_info->max_event_port_dequeue_depth =
 197                 DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 198         dev_info->max_event_port_enqueue_depth =
 199                 DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 200         /*
 201          * TODO: Need to find out that how to fetch this info
 202          * from kernel or somewhere else.
 203          */
 204         dev_info->max_num_events =
 205                 DPAA_EVENT_MAX_NUM_EVENTS;
 206         dev_info->event_dev_cap =
 207                 RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 208                 RTE_EVENT_DEV_CAP_BURST_MODE |
 209                 RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 210                 RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 211 }
 212
 213 static int
 214 dpaa_event_dev_configure(const struct rte_eventdev *dev)
 215 {
 216         struct dpaa_eventdev *priv = dev->data->dev_private;
 217         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 218         int ret, i;
 219         uint32_t *ch_id;
 220
 221         EVENTDEV_DRV_FUNC_TRACE();
 222
 223         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 224         priv->nb_events_limit = conf->nb_events_limit;
 225         priv->nb_event_queues = conf->nb_event_queues;
 226         priv->nb_event_ports = conf->nb_event_ports;
 227         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
 228         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
 229         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
 230         priv->event_dev_cfg = conf->event_dev_cfg;
 231
 232         /* Check dequeue timeout method is per dequeue or global */
 233         if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 234                 /*
 235                  * Use timeout value as given in dequeue operation.
 236                  * So invalidating this timetout value.
 237                  */
 238                 priv->dequeue_timeout_ns = 0;
 239         }
 240
 241         ch_id = rte_malloc("dpaa-channels",
 242                           sizeof(uint32_t) * priv->nb_event_queues,
 243                           RTE_CACHE_LINE_SIZE);
 244         if (ch_id == NULL) {
 245                 EVENTDEV_DRV_ERR("Fail to allocate memory for dpaa channels\n");
 246                 return -ENOMEM;
 247         }
 248         /* Create requested event queues within the given event device */
 249         ret = qman_alloc_pool_range(ch_id, priv->nb_event_queues, 1, 0);
 250         if (ret < 0) {
 251                 EVENTDEV_DRV_ERR("Failed to create internal channel\n");
 252                 rte_free(ch_id);
 253                 return ret;
 254         }
 255         for (i = 0; i < priv->nb_event_queues; i++)
 256                 priv->evq_info[i].ch_id = (u16)ch_id[i];
 257
 258         /* Lets prepare event ports */
 259         memset(&priv->ports[0], 0,
 260               sizeof(struct dpaa_port) * priv->nb_event_ports);
 261         if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 262                 for (i = 0; i < priv->nb_event_ports; i++) {
 263                         priv->ports[i].timeout =
 264                                 DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_INVALID;
 265                 }
 266         } else if (priv->dequeue_timeout_ns == 0) {
 267                 for (i = 0; i < priv->nb_event_ports; i++) {
 268                         dpaa_event_dequeue_timeout_ticks(NULL,
 269                                 DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS,
 270                                 &priv->ports[i].timeout);
 271                 }
 272         } else {
 273                 for (i = 0; i < priv->nb_event_ports; i++) {
 274                         dpaa_event_dequeue_timeout_ticks(NULL,
 275                                 priv->dequeue_timeout_ns,
 276                                 &priv->ports[i].timeout);
 277                 }
 278         }
 279         /*
 280          * TODO: Currently portals are affined with threads. Maximum threads
 281          * can be created equals to number of lcore.
 282          */
 283         rte_free(ch_id);
 284         EVENTDEV_DRV_LOG("Configured eventdev devid=%d", dev->data->dev_id);
 285
 286         return 0;
 287 }
 288
 289 static int
 290 dpaa_event_dev_start(struct rte_eventdev *dev)
 291 {
 292         EVENTDEV_DRV_FUNC_TRACE();
 293         RTE_SET_USED(dev);
 294
 295         return 0;
 296 }
 297
 298 static void
 299 dpaa_event_dev_stop(struct rte_eventdev *dev)
 300 {
 301         EVENTDEV_DRV_FUNC_TRACE();
 302         RTE_SET_USED(dev);
 303 }
 304
 305 static int
 306 dpaa_event_dev_close(struct rte_eventdev *dev)
 307 {
 308         EVENTDEV_DRV_FUNC_TRACE();
 309         RTE_SET_USED(dev);
 310
 311         return 0;
 312 }
 313
 314 static void
 315 dpaa_event_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 316                           struct rte_event_queue_conf *queue_conf)
 317 {
 318         EVENTDEV_DRV_FUNC_TRACE();
 319
 320         RTE_SET_USED(dev);
 321         RTE_SET_USED(queue_id);
 322
 323         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
 324         queue_conf->schedule_type = RTE_SCHED_TYPE_PARALLEL;
 325         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_HIGHEST;
 326 }
 327
 328 static int
 329 dpaa_event_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 330                        const struct rte_event_queue_conf *queue_conf)
 331 {
 332         struct dpaa_eventdev *priv = dev->data->dev_private;
 333         struct dpaa_eventq *evq_info = &priv->evq_info[queue_id];
 334
 335         EVENTDEV_DRV_FUNC_TRACE();
 336
 337         switch (queue_conf->schedule_type) {
 338         case RTE_SCHED_TYPE_PARALLEL:
 339         case RTE_SCHED_TYPE_ATOMIC:
 340                 break;
 341         case RTE_SCHED_TYPE_ORDERED:
 342                 EVENTDEV_DRV_ERR("Schedule type is not supported.");
 343                 return -1;
 344         }
 345         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
 346         evq_info->event_queue_id = queue_id;
 347
 348         return 0;
 349 }
 350
 351 static void
 352 dpaa_event_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 353 {
 354         EVENTDEV_DRV_FUNC_TRACE();
 355
 356         RTE_SET_USED(dev);
 357         RTE_SET_USED(queue_id);
 358 }
 359
 360 static void
 361 dpaa_event_port_default_conf_get(struct rte_eventdev *dev, uint8_t port_id,
 362                                  struct rte_event_port_conf *port_conf)
 363 {
 364         EVENTDEV_DRV_FUNC_TRACE();
 365
 366         RTE_SET_USED(dev);
 367         RTE_SET_USED(port_id);
 368
 369         port_conf->new_event_threshold = DPAA_EVENT_MAX_NUM_EVENTS;
 370         port_conf->dequeue_depth = DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 371         port_conf->enqueue_depth = DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 372 }
 373
 374 static int
 375 dpaa_event_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 376                       const struct rte_event_port_conf *port_conf)
 377 {
 378         struct dpaa_eventdev *eventdev = dev->data->dev_private;
 379
 380         EVENTDEV_DRV_FUNC_TRACE();
 381
 382         RTE_SET_USED(port_conf);
 383         dev->data->ports[port_id] = &eventdev->ports[port_id];
 384
 385         return 0;
 386 }
 387
 388 static void
 389 dpaa_event_port_release(void *port)
 390 {
 391         EVENTDEV_DRV_FUNC_TRACE();
 392
 393         RTE_SET_USED(port);
 394 }
 395
 396 static int
 397 dpaa_event_port_link(struct rte_eventdev *dev, void *port,
 398                      const uint8_t queues[], const uint8_t priorities[],
 399                      uint16_t nb_links)
 400 {
 401         struct dpaa_eventdev *priv = dev->data->dev_private;
 402         struct dpaa_port *event_port = (struct dpaa_port *)port;
 403         struct dpaa_eventq *event_queue;
 404         uint8_t eventq_id;
 405         int i;
 406
 407         RTE_SET_USED(dev);
 408         RTE_SET_USED(priorities);
 409
 410         /* First check that input configuration are valid */
 411         for (i = 0; i < nb_links; i++) {
 412                 eventq_id = queues[i];
 413                 event_queue = &priv->evq_info[eventq_id];
 414                 if ((event_queue->event_queue_cfg
 415                         & RTE_EVENT_QUEUE_CFG_SINGLE_LINK)
 416                         && (event_queue->event_port)) {
 417                         return -EINVAL;
 418                 }
 419         }
 420
 421         for (i = 0; i < nb_links; i++) {
 422                 eventq_id = queues[i];
 423                 event_queue = &priv->evq_info[eventq_id];
 424                 event_port->evq_info[i].event_queue_id = eventq_id;
 425                 event_port->evq_info[i].ch_id = event_queue->ch_id;
 426                 event_queue->event_port = port;
 427         }
 428
 429         event_port->num_linked_evq = event_port->num_linked_evq + i;
 430
 431         return (int)i;
 432 }
 433
 434 static int
 435 dpaa_event_port_unlink(struct rte_eventdev *dev, void *port,
 436                        uint8_t queues[], uint16_t nb_links)
 437 {
 438         int i;
 439         uint8_t eventq_id;
 440         struct dpaa_eventq *event_queue;
 441         struct dpaa_eventdev *priv = dev->data->dev_private;
 442         struct dpaa_port *event_port = (struct dpaa_port *)port;
 443
 444         if (!event_port->num_linked_evq)
 445                 return nb_links;
 446
 447         for (i = 0; i < nb_links; i++) {
 448                 eventq_id = queues[i];
 449                 event_port->evq_info[eventq_id].event_queue_id = -1;
 450                 event_port->evq_info[eventq_id].ch_id = 0;
 451                 event_queue = &priv->evq_info[eventq_id];
 452                 event_queue->event_port = NULL;
 453         }
 454
 455         event_port->num_linked_evq = event_port->num_linked_evq - i;
 456
 457         return (int)i;
 458 }
 459
 460 static int
 461 dpaa_event_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 462                                    const struct rte_eth_dev *eth_dev,
 463                                    uint32_t *caps)
 464 {
 465         const char *ethdev_driver = eth_dev->device->driver->name;
 466
 467         EVENTDEV_DRV_FUNC_TRACE();
 468
 469         RTE_SET_USED(dev);
 470
 471         if (!strcmp(ethdev_driver, "net_dpaa"))
 472                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA_CAP;
 473         else
 474                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 475
 476         return 0;
 477 }
 478
 479 static int
 480 dpaa_event_eth_rx_adapter_queue_add(
 481                 const struct rte_eventdev *dev,
 482                 const struct rte_eth_dev *eth_dev,
 483                 int32_t rx_queue_id,
 484                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 485 {
 486         struct dpaa_eventdev *eventdev = dev->data->dev_private;
 487         uint8_t ev_qid = queue_conf->ev.queue_id;
 488         u16 ch_id = eventdev->evq_info[ev_qid].ch_id;
 489         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
 490         int ret, i;
 491
 492         EVENTDEV_DRV_FUNC_TRACE();
 493
 494         if (rx_queue_id == -1) {
 495                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
 496                         ret = dpaa_eth_eventq_attach(eth_dev, i, ch_id,
 497                                                      queue_conf);
 498                         if (ret) {
 499                                 EVENTDEV_DRV_ERR(
 500                                         "Event Queue attach failed:%d\n", ret);
 501                                 goto detach_configured_queues;
 502                         }
 503                 }
 504                 return 0;
 505         }
 506
 507         ret = dpaa_eth_eventq_attach(eth_dev, rx_queue_id, ch_id, queue_conf);
 508         if (ret)
 509                 EVENTDEV_DRV_ERR("dpaa_eth_eventq_attach failed:%d\n", ret);
 510         return ret;
 511
 512 detach_configured_queues:
 513
 514         for (i = (i - 1); i >= 0 ; i--)
 515                 dpaa_eth_eventq_detach(eth_dev, i);
 516
 517         return ret;
 518 }
 519
 520 static int
 521 dpaa_event_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 522                                     const struct rte_eth_dev *eth_dev,
 523                                     int32_t rx_queue_id)
 524 {
 525         int ret, i;
 526         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
 527
 528         EVENTDEV_DRV_FUNC_TRACE();
 529
 530         RTE_SET_USED(dev);
 531         if (rx_queue_id == -1) {
 532                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
 533                         ret = dpaa_eth_eventq_detach(eth_dev, i);
 534                         if (ret)
 535                                 EVENTDEV_DRV_ERR(
 536                                         "Event Queue detach failed:%d\n", ret);
 537                 }
 538
 539                 return 0;
 540         }
 541
 542         ret = dpaa_eth_eventq_detach(eth_dev, rx_queue_id);
 543         if (ret)
 544                 EVENTDEV_DRV_ERR("dpaa_eth_eventq_detach failed:%d\n", ret);
 545         return ret;
 546 }
 547
 548 static int
 549 dpaa_event_eth_rx_adapter_start(const struct rte_eventdev *dev,
 550                                 const struct rte_eth_dev *eth_dev)
 551 {
 552         EVENTDEV_DRV_FUNC_TRACE();
 553
 554         RTE_SET_USED(dev);
 555         RTE_SET_USED(eth_dev);
 556
 557         return 0;
 558 }
 559
 560 static int
 561 dpaa_event_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 562                                const struct rte_eth_dev *eth_dev)
 563 {
 564         EVENTDEV_DRV_FUNC_TRACE();
 565
 566         RTE_SET_USED(dev);
 567         RTE_SET_USED(eth_dev);
 568
 569         return 0;
 570 }
 571
 572 static const struct rte_eventdev_ops dpaa_eventdev_ops = {
 573         .dev_infos_get    = dpaa_event_dev_info_get,
 574         .dev_configure    = dpaa_event_dev_configure,
 575         .dev_start        = dpaa_event_dev_start,
 576         .dev_stop         = dpaa_event_dev_stop,
 577         .dev_close        = dpaa_event_dev_close,
 578         .queue_def_conf   = dpaa_event_queue_def_conf,
 579         .queue_setup      = dpaa_event_queue_setup,
 580         .queue_release    = dpaa_event_queue_release,
 581         .port_def_conf    = dpaa_event_port_default_conf_get,
 582         .port_setup       = dpaa_event_port_setup,
 583         .port_release       = dpaa_event_port_release,
 584         .port_link        = dpaa_event_port_link,
 585         .port_unlink      = dpaa_event_port_unlink,
 586         .timeout_ticks    = dpaa_event_dequeue_timeout_ticks,
 587         .eth_rx_adapter_caps_get = dpaa_event_eth_rx_adapter_caps_get,
 588         .eth_rx_adapter_queue_add = dpaa_event_eth_rx_adapter_queue_add,
 589         .eth_rx_adapter_queue_del = dpaa_event_eth_rx_adapter_queue_del,
 590         .eth_rx_adapter_start = dpaa_event_eth_rx_adapter_start,
 591         .eth_rx_adapter_stop = dpaa_event_eth_rx_adapter_stop,
 592 };
 593
 594 static int
 595 dpaa_event_dev_create(const char *name)
 596 {
 597         struct rte_eventdev *eventdev;
 598         struct dpaa_eventdev *priv;
 599
 600         eventdev = rte_event_pmd_vdev_init(name,
 601                                            sizeof(struct dpaa_eventdev),
 602                                            rte_socket_id());
 603         if (eventdev == NULL) {
 604                 EVENTDEV_DRV_ERR("Failed to create eventdev vdev %s", name);
 605                 goto fail;
 606         }
 607
 608         eventdev->dev_ops       = &dpaa_eventdev_ops;
 609         eventdev->enqueue       = dpaa_event_enqueue;
 610         eventdev->enqueue_burst = dpaa_event_enqueue_burst;
 611         eventdev->dequeue       = dpaa_event_dequeue;
 612         eventdev->dequeue_burst = dpaa_event_dequeue_burst;
 613
 614         /* For secondary processes, the primary has done all the work */
 615         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 616                 return 0;
 617
 618         priv = eventdev->data->dev_private;
 619         priv->max_event_queues = DPAA_EVENT_MAX_QUEUES;
 620
 621         return 0;
 622 fail:
 623         return -EFAULT;
 624 }
 625
 626 static int
 627 dpaa_event_dev_probe(struct rte_vdev_device *vdev)
 628 {
 629         const char *name;
 630
 631         name = rte_vdev_device_name(vdev);
 632         EVENTDEV_DRV_LOG("Initializing %s", name);
 633
 634         return dpaa_event_dev_create(name);
 635 }
 636
 637 static int
 638 dpaa_event_dev_remove(struct rte_vdev_device *vdev)
 639 {
 640         const char *name;
 641
 642         name = rte_vdev_device_name(vdev);
 643         EVENTDEV_DRV_LOG("Closing %s", name);
 644
 645         return rte_event_pmd_vdev_uninit(name);
 646 }
 647
 648 static struct rte_vdev_driver vdev_eventdev_dpaa_pmd = {
 649         .probe = dpaa_event_dev_probe,
 650         .remove = dpaa_event_dev_remove
 651 };
 652
 653 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA_PMD, vdev_eventdev_dpaa_pmd);