drivers/event/dpaa2/dpaa2_eventdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright 2017 NXP.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of NXP nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <assert.h>
  34 #include <stdio.h>
  35 #include <stdbool.h>
  36 #include <errno.h>
  37 #include <stdint.h>
  38 #include <string.h>
  39 #include <sys/epoll.h>
  40
  41 #include <rte_atomic.h>
  42 #include <rte_byteorder.h>
  43 #include <rte_common.h>
  44 #include <rte_debug.h>
  45 #include <rte_dev.h>
  46 #include <rte_eal.h>
  47 #include <rte_fslmc.h>
  48 #include <rte_lcore.h>
  49 #include <rte_log.h>
  50 #include <rte_malloc.h>
  51 #include <rte_memcpy.h>
  52 #include <rte_memory.h>
  53 #include <rte_memzone.h>
  54 #include <rte_pci.h>
  55 #include <rte_vdev.h>
  56
  57 #include <fslmc_vfio.h>
  58 #include <dpaa2_hw_pvt.h>
  59 #include <dpaa2_hw_mempool.h>
  60 #include <dpaa2_hw_dpio.h>
  61 #include "dpaa2_eventdev.h"
  62 #include <portal/dpaa2_hw_pvt.h>
  63 #include <mc/fsl_dpci.h>
  64
  65 /* Clarifications
  66  * Evendev = SoC Instance
  67  * Eventport = DPIO Instance
  68  * Eventqueue = DPCON Instance
  69  * 1 Eventdev can have N Eventqueue
  70  * Soft Event Flow is DPCI Instance
  71  */
  72
  73 static uint16_t
  74 dpaa2_eventdev_enqueue_burst(void *port, const struct rte_event ev[],
  75                              uint16_t nb_events)
  76 {
  77         struct rte_eventdev *ev_dev =
  78                         ((struct dpaa2_io_portal_t *)port)->eventdev;
  79         struct dpaa2_eventdev *priv = ev_dev->data->dev_private;
  80         uint32_t queue_id = ev[0].queue_id;
  81         struct evq_info_t *evq_info = &priv->evq_info[queue_id];
  82         uint32_t fqid;
  83         struct qbman_swp *swp;
  84         struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
  85         uint32_t loop, frames_to_send;
  86         struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
  87         uint16_t num_tx = 0;
  88         int ret;
  89
  90         RTE_SET_USED(port);
  91
  92         if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
  93                 ret = dpaa2_affine_qbman_swp();
  94                 if (ret) {
  95                         PMD_DRV_LOG(ERR, "Failure in affining portal\n");
  96                         return 0;
  97                 }
  98         }
  99
 100         swp = DPAA2_PER_LCORE_PORTAL;
 101
 102         while (nb_events) {
 103                 frames_to_send = (nb_events >> 3) ?
 104                         MAX_TX_RING_SLOTS : nb_events;
 105
 106                 for (loop = 0; loop < frames_to_send; loop++) {
 107                         const struct rte_event *event = &ev[num_tx + loop];
 108
 109                         if (event->sched_type != RTE_SCHED_TYPE_ATOMIC)
 110                                 fqid = evq_info->dpci->queue[
 111                                         DPAA2_EVENT_DPCI_PARALLEL_QUEUE].fqid;
 112                         else
 113                                 fqid = evq_info->dpci->queue[
 114                                         DPAA2_EVENT_DPCI_ATOMIC_QUEUE].fqid;
 115
 116                         /* Prepare enqueue descriptor */
 117                         qbman_eq_desc_clear(&eqdesc[loop]);
 118                         qbman_eq_desc_set_fq(&eqdesc[loop], fqid);
 119                         qbman_eq_desc_set_no_orp(&eqdesc[loop], 0);
 120                         qbman_eq_desc_set_response(&eqdesc[loop], 0, 0);
 121
 122                         if (event->impl_opaque) {
 123                                 uint8_t dqrr_index = event->impl_opaque - 1;
 124
 125                                 qbman_eq_desc_set_dca(&eqdesc[loop], 1,
 126                                                       dqrr_index, 0);
 127                                 DPAA2_PER_LCORE_DPIO->dqrr_size--;
 128                                 DPAA2_PER_LCORE_DPIO->dqrr_held &=
 129                                         ~(1 << dqrr_index);
 130                         }
 131
 132                         memset(&fd_arr[loop], 0, sizeof(struct qbman_fd));
 133
 134                         /*
 135                          * todo - need to align with hw context data
 136                          * to avoid copy
 137                          */
 138                         struct rte_event *ev_temp = rte_malloc(NULL,
 139                                 sizeof(struct rte_event), 0);
 140                         rte_memcpy(ev_temp, event, sizeof(struct rte_event));
 141                         DPAA2_SET_FD_ADDR((&fd_arr[loop]), ev_temp);
 142                         DPAA2_SET_FD_LEN((&fd_arr[loop]),
 143                                          sizeof(struct rte_event));
 144                 }
 145                 loop = 0;
 146                 while (loop < frames_to_send) {
 147                         loop += qbman_swp_enqueue_multiple_eqdesc(swp,
 148                                         &eqdesc[loop], &fd_arr[loop],
 149                                         frames_to_send - loop);
 150                 }
 151                 num_tx += frames_to_send;
 152                 nb_events -= frames_to_send;
 153         }
 154
 155         return num_tx;
 156 }
 157
 158 static uint16_t
 159 dpaa2_eventdev_enqueue(void *port, const struct rte_event *ev)
 160 {
 161         return dpaa2_eventdev_enqueue_burst(port, ev, 1);
 162 }
 163
 164 static void dpaa2_eventdev_dequeue_wait(uint64_t timeout_ticks)
 165 {
 166         struct epoll_event epoll_ev;
 167         int ret, i = 0;
 168
 169         qbman_swp_interrupt_clear_status(DPAA2_PER_LCORE_PORTAL,
 170                                          QBMAN_SWP_INTERRUPT_DQRI);
 171
 172 RETRY:
 173         ret = epoll_wait(DPAA2_PER_LCORE_DPIO->epoll_fd,
 174                          &epoll_ev, 1, timeout_ticks);
 175         if (ret < 1) {
 176                 /* sometimes due to some spurious interrupts epoll_wait fails
 177                  * with errno EINTR. so here we are retrying epoll_wait in such
 178                  * case to avoid the problem.
 179                  */
 180                 if (errno == EINTR) {
 181                         PMD_DRV_LOG(DEBUG, "epoll_wait fails\n");
 182                         if (i++ > 10)
 183                                 PMD_DRV_LOG(DEBUG, "Dequeue burst Failed\n");
 184                 goto RETRY;
 185                 }
 186         }
 187 }
 188
 189 static void dpaa2_eventdev_process_parallel(struct qbman_swp *swp,
 190                                             const struct qbman_fd *fd,
 191                                             const struct qbman_result *dq,
 192                                             struct rte_event *ev)
 193 {
 194         struct rte_event *ev_temp =
 195                 (struct rte_event *)DPAA2_GET_FD_ADDR(fd);
 196         rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
 197         rte_free(ev_temp);
 198
 199         qbman_swp_dqrr_consume(swp, dq);
 200 }
 201
 202 static void dpaa2_eventdev_process_atomic(struct qbman_swp *swp,
 203                                           const struct qbman_fd *fd,
 204                                           const struct qbman_result *dq,
 205                                           struct rte_event *ev)
 206 {
 207         struct rte_event *ev_temp =
 208                 (struct rte_event *)DPAA2_GET_FD_ADDR(fd);
 209         uint8_t dqrr_index = qbman_get_dqrr_idx(dq);
 210
 211         RTE_SET_USED(swp);
 212
 213         rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
 214         rte_free(ev_temp);
 215         ev->impl_opaque = dqrr_index + 1;
 216         DPAA2_PER_LCORE_DPIO->dqrr_size++;
 217         DPAA2_PER_LCORE_DPIO->dqrr_held |= 1 << dqrr_index;
 218 }
 219
 220 static uint16_t
 221 dpaa2_eventdev_dequeue_burst(void *port, struct rte_event ev[],
 222                              uint16_t nb_events, uint64_t timeout_ticks)
 223 {
 224         const struct qbman_result *dq;
 225         struct qbman_swp *swp;
 226         const struct qbman_fd *fd;
 227         struct dpaa2_queue *rxq;
 228         int num_pkts = 0, ret, i = 0;
 229
 230         RTE_SET_USED(port);
 231
 232         if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
 233                 ret = dpaa2_affine_qbman_swp();
 234                 if (ret) {
 235                         PMD_DRV_LOG(ERR, "Failure in affining portal\n");
 236                         return 0;
 237                 }
 238         }
 239
 240         swp = DPAA2_PER_LCORE_PORTAL;
 241
 242         /* Check if there are atomic contexts to be released */
 243         while (DPAA2_PER_LCORE_DPIO->dqrr_size) {
 244                 if (DPAA2_PER_LCORE_DPIO->dqrr_held & (1 << i)) {
 245                         dq = qbman_get_dqrr_from_idx(swp, i);
 246                         qbman_swp_dqrr_consume(swp, dq);
 247                         DPAA2_PER_LCORE_DPIO->dqrr_size--;
 248                 }
 249                 i++;
 250         }
 251         DPAA2_PER_LCORE_DPIO->dqrr_held = 0;
 252
 253         do {
 254                 dq = qbman_swp_dqrr_next(swp);
 255                 if (!dq) {
 256                         if (!num_pkts && timeout_ticks) {
 257                                 dpaa2_eventdev_dequeue_wait(timeout_ticks);
 258                                 timeout_ticks = 0;
 259                                 continue;
 260                         }
 261                         return num_pkts;
 262                 }
 263
 264                 fd = qbman_result_DQ_fd(dq);
 265
 266                 rxq = (struct dpaa2_queue *)qbman_result_DQ_fqd_ctx(dq);
 267                 if (rxq) {
 268                         rxq->cb(swp, fd, dq, &ev[num_pkts]);
 269                 } else {
 270                         qbman_swp_dqrr_consume(swp, dq);
 271                         PMD_DRV_LOG(ERR, "Null Return VQ received\n");
 272                         return 0;
 273                 }
 274
 275                 num_pkts++;
 276         } while (num_pkts < nb_events);
 277
 278         return num_pkts;
 279 }
 280
 281 static uint16_t
 282 dpaa2_eventdev_dequeue(void *port, struct rte_event *ev,
 283                        uint64_t timeout_ticks)
 284 {
 285         return dpaa2_eventdev_dequeue_burst(port, ev, 1, timeout_ticks);
 286 }
 287
 288 static void
 289 dpaa2_eventdev_info_get(struct rte_eventdev *dev,
 290                         struct rte_event_dev_info *dev_info)
 291 {
 292         struct dpaa2_eventdev *priv = dev->data->dev_private;
 293
 294         PMD_DRV_FUNC_TRACE();
 295
 296         RTE_SET_USED(dev);
 297
 298         memset(dev_info, 0, sizeof(struct rte_event_dev_info));
 299         dev_info->min_dequeue_timeout_ns =
 300                 DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
 301         dev_info->max_dequeue_timeout_ns =
 302                 DPAA2_EVENT_MAX_DEQUEUE_TIMEOUT;
 303         dev_info->dequeue_timeout_ns =
 304                 DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
 305         dev_info->max_event_queues = priv->max_event_queues;
 306         dev_info->max_event_queue_flows =
 307                 DPAA2_EVENT_MAX_QUEUE_FLOWS;
 308         dev_info->max_event_queue_priority_levels =
 309                 DPAA2_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
 310         dev_info->max_event_priority_levels =
 311                 DPAA2_EVENT_MAX_EVENT_PRIORITY_LEVELS;
 312         dev_info->max_event_ports = RTE_MAX_LCORE;
 313         dev_info->max_event_port_dequeue_depth =
 314                 DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 315         dev_info->max_event_port_enqueue_depth =
 316                 DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 317         dev_info->max_num_events = DPAA2_EVENT_MAX_NUM_EVENTS;
 318         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 319                 RTE_EVENT_DEV_CAP_BURST_MODE;
 320 }
 321
 322 static int
 323 dpaa2_eventdev_configure(const struct rte_eventdev *dev)
 324 {
 325         struct dpaa2_eventdev *priv = dev->data->dev_private;
 326         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 327
 328         PMD_DRV_FUNC_TRACE();
 329
 330         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 331         priv->nb_event_queues = conf->nb_event_queues;
 332         priv->nb_event_ports = conf->nb_event_ports;
 333         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
 334         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
 335         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
 336         priv->event_dev_cfg = conf->event_dev_cfg;
 337
 338         PMD_DRV_LOG(DEBUG, "Configured eventdev devid=%d", dev->data->dev_id);
 339         return 0;
 340 }
 341
 342 static int
 343 dpaa2_eventdev_start(struct rte_eventdev *dev)
 344 {
 345         PMD_DRV_FUNC_TRACE();
 346
 347         RTE_SET_USED(dev);
 348
 349         return 0;
 350 }
 351
 352 static void
 353 dpaa2_eventdev_stop(struct rte_eventdev *dev)
 354 {
 355         PMD_DRV_FUNC_TRACE();
 356
 357         RTE_SET_USED(dev);
 358 }
 359
 360 static int
 361 dpaa2_eventdev_close(struct rte_eventdev *dev)
 362 {
 363         PMD_DRV_FUNC_TRACE();
 364
 365         RTE_SET_USED(dev);
 366
 367         return 0;
 368 }
 369
 370 static void
 371 dpaa2_eventdev_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 372                               struct rte_event_queue_conf *queue_conf)
 373 {
 374         PMD_DRV_FUNC_TRACE();
 375
 376         RTE_SET_USED(dev);
 377         RTE_SET_USED(queue_id);
 378         RTE_SET_USED(queue_conf);
 379
 380         queue_conf->nb_atomic_flows = DPAA2_EVENT_QUEUE_ATOMIC_FLOWS;
 381         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY |
 382                                       RTE_EVENT_QUEUE_CFG_PARALLEL_ONLY;
 383         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 384 }
 385
 386 static void
 387 dpaa2_eventdev_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 388 {
 389         PMD_DRV_FUNC_TRACE();
 390
 391         RTE_SET_USED(dev);
 392         RTE_SET_USED(queue_id);
 393 }
 394
 395 static int
 396 dpaa2_eventdev_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 397                            const struct rte_event_queue_conf *queue_conf)
 398 {
 399         struct dpaa2_eventdev *priv = dev->data->dev_private;
 400         struct evq_info_t *evq_info =
 401                 &priv->evq_info[queue_id];
 402
 403         PMD_DRV_FUNC_TRACE();
 404
 405         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
 406
 407         return 0;
 408 }
 409
 410 static void
 411 dpaa2_eventdev_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 412                              struct rte_event_port_conf *port_conf)
 413 {
 414         PMD_DRV_FUNC_TRACE();
 415
 416         RTE_SET_USED(dev);
 417         RTE_SET_USED(port_id);
 418         RTE_SET_USED(port_conf);
 419
 420         port_conf->new_event_threshold =
 421                 DPAA2_EVENT_MAX_NUM_EVENTS;
 422         port_conf->dequeue_depth =
 423                 DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 424         port_conf->enqueue_depth =
 425                 DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 426 }
 427
 428 static void
 429 dpaa2_eventdev_port_release(void *port)
 430 {
 431         PMD_DRV_FUNC_TRACE();
 432
 433         RTE_SET_USED(port);
 434 }
 435
 436 static int
 437 dpaa2_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 438                           const struct rte_event_port_conf *port_conf)
 439 {
 440         PMD_DRV_FUNC_TRACE();
 441
 442         RTE_SET_USED(port_conf);
 443
 444         if (!dpaa2_io_portal[port_id].dpio_dev) {
 445                 dpaa2_io_portal[port_id].dpio_dev =
 446                                 dpaa2_get_qbman_swp(port_id);
 447                 rte_atomic16_inc(&dpaa2_io_portal[port_id].dpio_dev->ref_count);
 448                 if (!dpaa2_io_portal[port_id].dpio_dev)
 449                         return -1;
 450         }
 451
 452         dpaa2_io_portal[port_id].eventdev = dev;
 453         dev->data->ports[port_id] = &dpaa2_io_portal[port_id];
 454         return 0;
 455 }
 456
 457 static int
 458 dpaa2_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
 459                            uint8_t queues[], uint16_t nb_unlinks)
 460 {
 461         struct dpaa2_eventdev *priv = dev->data->dev_private;
 462         struct dpaa2_io_portal_t *dpaa2_portal = port;
 463         struct evq_info_t *evq_info;
 464         int i;
 465
 466         PMD_DRV_FUNC_TRACE();
 467
 468         for (i = 0; i < nb_unlinks; i++) {
 469                 evq_info = &priv->evq_info[queues[i]];
 470                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 471                                    evq_info->dpcon->channel_index, 0);
 472                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 473                                         0, dpaa2_portal->dpio_dev->token,
 474                         evq_info->dpcon->dpcon_id);
 475                 evq_info->link = 0;
 476         }
 477
 478         return (int)nb_unlinks;
 479 }
 480
 481 static int
 482 dpaa2_eventdev_port_link(struct rte_eventdev *dev, void *port,
 483                          const uint8_t queues[], const uint8_t priorities[],
 484                         uint16_t nb_links)
 485 {
 486         struct dpaa2_eventdev *priv = dev->data->dev_private;
 487         struct dpaa2_io_portal_t *dpaa2_portal = port;
 488         struct evq_info_t *evq_info;
 489         uint8_t channel_index;
 490         int ret, i, n;
 491
 492         PMD_DRV_FUNC_TRACE();
 493
 494         for (i = 0; i < nb_links; i++) {
 495                 evq_info = &priv->evq_info[queues[i]];
 496                 if (evq_info->link)
 497                         continue;
 498
 499                 ret = dpio_add_static_dequeue_channel(
 500                         dpaa2_portal->dpio_dev->dpio,
 501                         CMD_PRI_LOW, dpaa2_portal->dpio_dev->token,
 502                         evq_info->dpcon->dpcon_id, &channel_index);
 503                 if (ret < 0) {
 504                         PMD_DRV_ERR("Static dequeue cfg failed with ret: %d\n",
 505                                     ret);
 506                         goto err;
 507                 }
 508
 509                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 510                                    channel_index, 1);
 511                 evq_info->dpcon->channel_index = channel_index;
 512                 evq_info->link = 1;
 513         }
 514
 515         RTE_SET_USED(priorities);
 516
 517         return (int)nb_links;
 518 err:
 519         for (n = 0; n < i; n++) {
 520                 evq_info = &priv->evq_info[queues[n]];
 521                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 522                                    evq_info->dpcon->channel_index, 0);
 523                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 524                                         0, dpaa2_portal->dpio_dev->token,
 525                         evq_info->dpcon->dpcon_id);
 526                 evq_info->link = 0;
 527         }
 528         return ret;
 529 }
 530
 531 static int
 532 dpaa2_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
 533                              uint64_t *timeout_ticks)
 534 {
 535         uint32_t scale = 1;
 536
 537         PMD_DRV_FUNC_TRACE();
 538
 539         RTE_SET_USED(dev);
 540         *timeout_ticks = ns * scale;
 541
 542         return 0;
 543 }
 544
 545 static void
 546 dpaa2_eventdev_dump(struct rte_eventdev *dev, FILE *f)
 547 {
 548         PMD_DRV_FUNC_TRACE();
 549
 550         RTE_SET_USED(dev);
 551         RTE_SET_USED(f);
 552 }
 553
 554 static const struct rte_eventdev_ops dpaa2_eventdev_ops = {
 555         .dev_infos_get    = dpaa2_eventdev_info_get,
 556         .dev_configure    = dpaa2_eventdev_configure,
 557         .dev_start        = dpaa2_eventdev_start,
 558         .dev_stop         = dpaa2_eventdev_stop,
 559         .dev_close        = dpaa2_eventdev_close,
 560         .queue_def_conf   = dpaa2_eventdev_queue_def_conf,
 561         .queue_setup      = dpaa2_eventdev_queue_setup,
 562         .queue_release    = dpaa2_eventdev_queue_release,
 563         .port_def_conf    = dpaa2_eventdev_port_def_conf,
 564         .port_setup       = dpaa2_eventdev_port_setup,
 565         .port_release     = dpaa2_eventdev_port_release,
 566         .port_link        = dpaa2_eventdev_port_link,
 567         .port_unlink      = dpaa2_eventdev_port_unlink,
 568         .timeout_ticks    = dpaa2_eventdev_timeout_ticks,
 569         .dump             = dpaa2_eventdev_dump
 570 };
 571
 572 static int
 573 dpaa2_eventdev_setup_dpci(struct dpaa2_dpci_dev *dpci_dev,
 574                           struct dpaa2_dpcon_dev *dpcon_dev)
 575 {
 576         struct dpci_rx_queue_cfg rx_queue_cfg;
 577         int ret, i;
 578
 579         /*Do settings to get the frame on a DPCON object*/
 580         rx_queue_cfg.options = DPCI_QUEUE_OPT_DEST |
 581                   DPCI_QUEUE_OPT_USER_CTX;
 582         rx_queue_cfg.dest_cfg.dest_type = DPCI_DEST_DPCON;
 583         rx_queue_cfg.dest_cfg.dest_id = dpcon_dev->dpcon_id;
 584         rx_queue_cfg.dest_cfg.priority = DPAA2_EVENT_DEFAULT_DPCI_PRIO;
 585
 586         dpci_dev->queue[DPAA2_EVENT_DPCI_PARALLEL_QUEUE].cb =
 587                 dpaa2_eventdev_process_parallel;
 588         dpci_dev->queue[DPAA2_EVENT_DPCI_ATOMIC_QUEUE].cb =
 589                 dpaa2_eventdev_process_atomic;
 590
 591         for (i = 0 ; i < DPAA2_EVENT_DPCI_MAX_QUEUES; i++) {
 592                 rx_queue_cfg.user_ctx = (uint64_t)(&dpci_dev->queue[i]);
 593                 ret = dpci_set_rx_queue(&dpci_dev->dpci,
 594                                         CMD_PRI_LOW,
 595                                         dpci_dev->token, i,
 596                                         &rx_queue_cfg);
 597                 if (ret) {
 598                         PMD_DRV_LOG(ERR,
 599                                     "set_rx_q failed with err code: %d", ret);
 600                         return ret;
 601                 }
 602         }
 603         return 0;
 604 }
 605
 606 static int
 607 dpaa2_eventdev_create(const char *name)
 608 {
 609         struct rte_eventdev *eventdev;
 610         struct dpaa2_eventdev *priv;
 611         struct dpaa2_dpcon_dev *dpcon_dev = NULL;
 612         struct dpaa2_dpci_dev *dpci_dev = NULL;
 613         int ret;
 614
 615         eventdev = rte_event_pmd_vdev_init(name,
 616                                            sizeof(struct dpaa2_eventdev),
 617                                            rte_socket_id());
 618         if (eventdev == NULL) {
 619                 PMD_DRV_ERR("Failed to create eventdev vdev %s", name);
 620                 goto fail;
 621         }
 622
 623         eventdev->dev_ops       = &dpaa2_eventdev_ops;
 624         eventdev->schedule      = NULL;
 625         eventdev->enqueue       = dpaa2_eventdev_enqueue;
 626         eventdev->enqueue_burst = dpaa2_eventdev_enqueue_burst;
 627         eventdev->enqueue_new_burst = dpaa2_eventdev_enqueue_burst;
 628         eventdev->enqueue_forward_burst = dpaa2_eventdev_enqueue_burst;
 629         eventdev->dequeue       = dpaa2_eventdev_dequeue;
 630         eventdev->dequeue_burst = dpaa2_eventdev_dequeue_burst;
 631
 632         /* For secondary processes, the primary has done all the work */
 633         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 634                 return 0;
 635
 636         priv = eventdev->data->dev_private;
 637         priv->max_event_queues = 0;
 638
 639         do {
 640                 dpcon_dev = rte_dpaa2_alloc_dpcon_dev();
 641                 if (!dpcon_dev)
 642                         break;
 643                 priv->evq_info[priv->max_event_queues].dpcon = dpcon_dev;
 644
 645                 dpci_dev = rte_dpaa2_alloc_dpci_dev();
 646                 if (!dpci_dev) {
 647                         rte_dpaa2_free_dpcon_dev(dpcon_dev);
 648                         break;
 649                 }
 650                 priv->evq_info[priv->max_event_queues].dpci = dpci_dev;
 651
 652                 ret = dpaa2_eventdev_setup_dpci(dpci_dev, dpcon_dev);
 653                 if (ret) {
 654                         PMD_DRV_LOG(ERR,
 655                                     "dpci setup failed with err code: %d", ret);
 656                         return ret;
 657                 }
 658                 priv->max_event_queues++;
 659         } while (dpcon_dev && dpci_dev);
 660
 661         return 0;
 662 fail:
 663         return -EFAULT;
 664 }
 665
 666 static int
 667 dpaa2_eventdev_probe(struct rte_vdev_device *vdev)
 668 {
 669         const char *name;
 670
 671         name = rte_vdev_device_name(vdev);
 672         PMD_DRV_LOG(INFO, "Initializing %s", name);
 673         return dpaa2_eventdev_create(name);
 674 }
 675
 676 static int
 677 dpaa2_eventdev_remove(struct rte_vdev_device *vdev)
 678 {
 679         const char *name;
 680
 681         name = rte_vdev_device_name(vdev);
 682         PMD_DRV_LOG(INFO, "Closing %s", name);
 683
 684         return rte_event_pmd_vdev_uninit(name);
 685 }
 686
 687 static struct rte_vdev_driver vdev_eventdev_dpaa2_pmd = {
 688         .probe = dpaa2_eventdev_probe,
 689         .remove = dpaa2_eventdev_remove
 690 };
 691
 692 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA2_PMD, vdev_eventdev_dpaa2_pmd);