drivers/event/dpaa2/dpaa2_eventdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  *   Copyright 2017 NXP
   4  *
   5  */
   6
   7 #include <assert.h>
   8 #include <stdio.h>
   9 #include <stdbool.h>
  10 #include <errno.h>
  11 #include <stdint.h>
  12 #include <string.h>
  13 #include <sys/epoll.h>
  14
  15 #include <rte_atomic.h>
  16 #include <rte_byteorder.h>
  17 #include <rte_common.h>
  18 #include <rte_debug.h>
  19 #include <rte_dev.h>
  20 #include <rte_eal.h>
  21 #include <rte_fslmc.h>
  22 #include <rte_lcore.h>
  23 #include <rte_log.h>
  24 #include <rte_malloc.h>
  25 #include <rte_memcpy.h>
  26 #include <rte_memory.h>
  27 #include <rte_pci.h>
  28 #include <rte_bus_vdev.h>
  29 #include <rte_ethdev.h>
  30 #include <rte_event_eth_rx_adapter.h>
  31
  32 #include <fslmc_vfio.h>
  33 #include <dpaa2_hw_pvt.h>
  34 #include <dpaa2_hw_mempool.h>
  35 #include <dpaa2_hw_dpio.h>
  36 #include <dpaa2_ethdev.h>
  37 #include "dpaa2_eventdev.h"
  38 #include <portal/dpaa2_hw_pvt.h>
  39 #include <mc/fsl_dpci.h>
  40
  41 /* Clarifications
  42  * Evendev = SoC Instance
  43  * Eventport = DPIO Instance
  44  * Eventqueue = DPCON Instance
  45  * 1 Eventdev can have N Eventqueue
  46  * Soft Event Flow is DPCI Instance
  47  */
  48
  49 static uint16_t
  50 dpaa2_eventdev_enqueue_burst(void *port, const struct rte_event ev[],
  51                              uint16_t nb_events)
  52 {
  53         struct rte_eventdev *ev_dev =
  54                         ((struct dpaa2_io_portal_t *)port)->eventdev;
  55         struct dpaa2_eventdev *priv = ev_dev->data->dev_private;
  56         uint32_t queue_id = ev[0].queue_id;
  57         struct evq_info_t *evq_info = &priv->evq_info[queue_id];
  58         uint32_t fqid;
  59         struct qbman_swp *swp;
  60         struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
  61         uint32_t loop, frames_to_send;
  62         struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
  63         uint16_t num_tx = 0;
  64         int ret;
  65
  66         RTE_SET_USED(port);
  67
  68         if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
  69                 ret = dpaa2_affine_qbman_swp();
  70                 if (ret) {
  71                         PMD_DRV_LOG(ERR, "Failure in affining portal\n");
  72                         return 0;
  73                 }
  74         }
  75
  76         swp = DPAA2_PER_LCORE_PORTAL;
  77
  78         while (nb_events) {
  79                 frames_to_send = (nb_events >> 3) ?
  80                         MAX_TX_RING_SLOTS : nb_events;
  81
  82                 for (loop = 0; loop < frames_to_send; loop++) {
  83                         const struct rte_event *event = &ev[num_tx + loop];
  84
  85                         if (event->sched_type != RTE_SCHED_TYPE_ATOMIC)
  86                                 fqid = evq_info->dpci->queue[
  87                                         DPAA2_EVENT_DPCI_PARALLEL_QUEUE].fqid;
  88                         else
  89                                 fqid = evq_info->dpci->queue[
  90                                         DPAA2_EVENT_DPCI_ATOMIC_QUEUE].fqid;
  91
  92                         /* Prepare enqueue descriptor */
  93                         qbman_eq_desc_clear(&eqdesc[loop]);
  94                         qbman_eq_desc_set_fq(&eqdesc[loop], fqid);
  95                         qbman_eq_desc_set_no_orp(&eqdesc[loop], 0);
  96                         qbman_eq_desc_set_response(&eqdesc[loop], 0, 0);
  97
  98                         if (event->impl_opaque) {
  99                                 uint8_t dqrr_index = event->impl_opaque - 1;
 100
 101                                 qbman_eq_desc_set_dca(&eqdesc[loop], 1,
 102                                                       dqrr_index, 0);
 103                                 DPAA2_PER_LCORE_DPIO->dqrr_size--;
 104                                 DPAA2_PER_LCORE_DPIO->dqrr_held &=
 105                                         ~(1 << dqrr_index);
 106                         }
 107
 108                         memset(&fd_arr[loop], 0, sizeof(struct qbman_fd));
 109
 110                         /*
 111                          * todo - need to align with hw context data
 112                          * to avoid copy
 113                          */
 114                         struct rte_event *ev_temp = rte_malloc(NULL,
 115                                 sizeof(struct rte_event), 0);
 116
 117                         if (!ev_temp) {
 118                                 if (!loop)
 119                                         return num_tx;
 120                                 frames_to_send = loop;
 121                                 PMD_DRV_LOG(ERR, "Unable to allocate memory");
 122                                 goto send_partial;
 123                         }
 124                         rte_memcpy(ev_temp, event, sizeof(struct rte_event));
 125                         DPAA2_SET_FD_ADDR((&fd_arr[loop]), ev_temp);
 126                         DPAA2_SET_FD_LEN((&fd_arr[loop]),
 127                                          sizeof(struct rte_event));
 128                 }
 129 send_partial:
 130                 loop = 0;
 131                 while (loop < frames_to_send) {
 132                         loop += qbman_swp_enqueue_multiple_desc(swp,
 133                                         &eqdesc[loop], &fd_arr[loop],
 134                                         frames_to_send - loop);
 135                 }
 136                 num_tx += frames_to_send;
 137                 nb_events -= frames_to_send;
 138         }
 139
 140         return num_tx;
 141 }
 142
 143 static uint16_t
 144 dpaa2_eventdev_enqueue(void *port, const struct rte_event *ev)
 145 {
 146         return dpaa2_eventdev_enqueue_burst(port, ev, 1);
 147 }
 148
 149 static void dpaa2_eventdev_dequeue_wait(uint64_t timeout_ticks)
 150 {
 151         struct epoll_event epoll_ev;
 152         int ret, i = 0;
 153
 154         qbman_swp_interrupt_clear_status(DPAA2_PER_LCORE_PORTAL,
 155                                          QBMAN_SWP_INTERRUPT_DQRI);
 156
 157 RETRY:
 158         ret = epoll_wait(DPAA2_PER_LCORE_DPIO->epoll_fd,
 159                          &epoll_ev, 1, timeout_ticks);
 160         if (ret < 1) {
 161                 /* sometimes due to some spurious interrupts epoll_wait fails
 162                  * with errno EINTR. so here we are retrying epoll_wait in such
 163                  * case to avoid the problem.
 164                  */
 165                 if (errno == EINTR) {
 166                         PMD_DRV_LOG(DEBUG, "epoll_wait fails\n");
 167                         if (i++ > 10)
 168                                 PMD_DRV_LOG(DEBUG, "Dequeue burst Failed\n");
 169                 goto RETRY;
 170                 }
 171         }
 172 }
 173
 174 static void dpaa2_eventdev_process_parallel(struct qbman_swp *swp,
 175                                             const struct qbman_fd *fd,
 176                                             const struct qbman_result *dq,
 177                                             struct dpaa2_queue *rxq,
 178                                             struct rte_event *ev)
 179 {
 180         struct rte_event *ev_temp =
 181                 (struct rte_event *)DPAA2_GET_FD_ADDR(fd);
 182
 183         RTE_SET_USED(rxq);
 184
 185         rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
 186         rte_free(ev_temp);
 187
 188         qbman_swp_dqrr_consume(swp, dq);
 189 }
 190
 191 static void dpaa2_eventdev_process_atomic(struct qbman_swp *swp,
 192                                           const struct qbman_fd *fd,
 193                                           const struct qbman_result *dq,
 194                                           struct dpaa2_queue *rxq,
 195                                           struct rte_event *ev)
 196 {
 197         struct rte_event *ev_temp =
 198                 (struct rte_event *)DPAA2_GET_FD_ADDR(fd);
 199         uint8_t dqrr_index = qbman_get_dqrr_idx(dq);
 200
 201         RTE_SET_USED(swp);
 202         RTE_SET_USED(rxq);
 203
 204         rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
 205         rte_free(ev_temp);
 206         ev->impl_opaque = dqrr_index + 1;
 207         DPAA2_PER_LCORE_DPIO->dqrr_size++;
 208         DPAA2_PER_LCORE_DPIO->dqrr_held |= 1 << dqrr_index;
 209 }
 210
 211 static uint16_t
 212 dpaa2_eventdev_dequeue_burst(void *port, struct rte_event ev[],
 213                              uint16_t nb_events, uint64_t timeout_ticks)
 214 {
 215         const struct qbman_result *dq;
 216         struct qbman_swp *swp;
 217         const struct qbman_fd *fd;
 218         struct dpaa2_queue *rxq;
 219         int num_pkts = 0, ret, i = 0;
 220
 221         RTE_SET_USED(port);
 222
 223         if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
 224                 ret = dpaa2_affine_qbman_swp();
 225                 if (ret) {
 226                         PMD_DRV_LOG(ERR, "Failure in affining portal\n");
 227                         return 0;
 228                 }
 229         }
 230
 231         swp = DPAA2_PER_LCORE_PORTAL;
 232
 233         /* Check if there are atomic contexts to be released */
 234         while (DPAA2_PER_LCORE_DPIO->dqrr_size) {
 235                 if (DPAA2_PER_LCORE_DPIO->dqrr_held & (1 << i)) {
 236                         dq = qbman_get_dqrr_from_idx(swp, i);
 237                         qbman_swp_dqrr_consume(swp, dq);
 238                         DPAA2_PER_LCORE_DPIO->dqrr_size--;
 239                 }
 240                 i++;
 241         }
 242         DPAA2_PER_LCORE_DPIO->dqrr_held = 0;
 243
 244         do {
 245                 dq = qbman_swp_dqrr_next(swp);
 246                 if (!dq) {
 247                         if (!num_pkts && timeout_ticks) {
 248                                 dpaa2_eventdev_dequeue_wait(timeout_ticks);
 249                                 timeout_ticks = 0;
 250                                 continue;
 251                         }
 252                         return num_pkts;
 253                 }
 254
 255                 fd = qbman_result_DQ_fd(dq);
 256
 257                 rxq = (struct dpaa2_queue *)qbman_result_DQ_fqd_ctx(dq);
 258                 if (rxq) {
 259                         rxq->cb(swp, fd, dq, rxq, &ev[num_pkts]);
 260                 } else {
 261                         qbman_swp_dqrr_consume(swp, dq);
 262                         PMD_DRV_LOG(ERR, "Null Return VQ received\n");
 263                         return 0;
 264                 }
 265
 266                 num_pkts++;
 267         } while (num_pkts < nb_events);
 268
 269         return num_pkts;
 270 }
 271
 272 static uint16_t
 273 dpaa2_eventdev_dequeue(void *port, struct rte_event *ev,
 274                        uint64_t timeout_ticks)
 275 {
 276         return dpaa2_eventdev_dequeue_burst(port, ev, 1, timeout_ticks);
 277 }
 278
 279 static void
 280 dpaa2_eventdev_info_get(struct rte_eventdev *dev,
 281                         struct rte_event_dev_info *dev_info)
 282 {
 283         struct dpaa2_eventdev *priv = dev->data->dev_private;
 284
 285         PMD_DRV_FUNC_TRACE();
 286
 287         RTE_SET_USED(dev);
 288
 289         memset(dev_info, 0, sizeof(struct rte_event_dev_info));
 290         dev_info->min_dequeue_timeout_ns =
 291                 DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
 292         dev_info->max_dequeue_timeout_ns =
 293                 DPAA2_EVENT_MAX_DEQUEUE_TIMEOUT;
 294         dev_info->dequeue_timeout_ns =
 295                 DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
 296         dev_info->max_event_queues = priv->max_event_queues;
 297         dev_info->max_event_queue_flows =
 298                 DPAA2_EVENT_MAX_QUEUE_FLOWS;
 299         dev_info->max_event_queue_priority_levels =
 300                 DPAA2_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
 301         dev_info->max_event_priority_levels =
 302                 DPAA2_EVENT_MAX_EVENT_PRIORITY_LEVELS;
 303         dev_info->max_event_ports = RTE_MAX_LCORE;
 304         dev_info->max_event_port_dequeue_depth =
 305                 DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 306         dev_info->max_event_port_enqueue_depth =
 307                 DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 308         dev_info->max_num_events = DPAA2_EVENT_MAX_NUM_EVENTS;
 309         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 310                 RTE_EVENT_DEV_CAP_BURST_MODE;
 311 }
 312
 313 static int
 314 dpaa2_eventdev_configure(const struct rte_eventdev *dev)
 315 {
 316         struct dpaa2_eventdev *priv = dev->data->dev_private;
 317         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 318
 319         PMD_DRV_FUNC_TRACE();
 320
 321         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 322         priv->nb_event_queues = conf->nb_event_queues;
 323         priv->nb_event_ports = conf->nb_event_ports;
 324         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
 325         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
 326         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
 327         priv->event_dev_cfg = conf->event_dev_cfg;
 328
 329         PMD_DRV_LOG(DEBUG, "Configured eventdev devid=%d", dev->data->dev_id);
 330         return 0;
 331 }
 332
 333 static int
 334 dpaa2_eventdev_start(struct rte_eventdev *dev)
 335 {
 336         PMD_DRV_FUNC_TRACE();
 337
 338         RTE_SET_USED(dev);
 339
 340         return 0;
 341 }
 342
 343 static void
 344 dpaa2_eventdev_stop(struct rte_eventdev *dev)
 345 {
 346         PMD_DRV_FUNC_TRACE();
 347
 348         RTE_SET_USED(dev);
 349 }
 350
 351 static int
 352 dpaa2_eventdev_close(struct rte_eventdev *dev)
 353 {
 354         PMD_DRV_FUNC_TRACE();
 355
 356         RTE_SET_USED(dev);
 357
 358         return 0;
 359 }
 360
 361 static void
 362 dpaa2_eventdev_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 363                               struct rte_event_queue_conf *queue_conf)
 364 {
 365         PMD_DRV_FUNC_TRACE();
 366
 367         RTE_SET_USED(dev);
 368         RTE_SET_USED(queue_id);
 369         RTE_SET_USED(queue_conf);
 370
 371         queue_conf->nb_atomic_flows = DPAA2_EVENT_QUEUE_ATOMIC_FLOWS;
 372         queue_conf->schedule_type = RTE_SCHED_TYPE_ATOMIC |
 373                                       RTE_SCHED_TYPE_PARALLEL;
 374         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 375 }
 376
 377 static void
 378 dpaa2_eventdev_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 379 {
 380         PMD_DRV_FUNC_TRACE();
 381
 382         RTE_SET_USED(dev);
 383         RTE_SET_USED(queue_id);
 384 }
 385
 386 static int
 387 dpaa2_eventdev_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 388                            const struct rte_event_queue_conf *queue_conf)
 389 {
 390         struct dpaa2_eventdev *priv = dev->data->dev_private;
 391         struct evq_info_t *evq_info =
 392                 &priv->evq_info[queue_id];
 393
 394         PMD_DRV_FUNC_TRACE();
 395
 396         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
 397
 398         return 0;
 399 }
 400
 401 static void
 402 dpaa2_eventdev_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 403                              struct rte_event_port_conf *port_conf)
 404 {
 405         PMD_DRV_FUNC_TRACE();
 406
 407         RTE_SET_USED(dev);
 408         RTE_SET_USED(port_id);
 409         RTE_SET_USED(port_conf);
 410
 411         port_conf->new_event_threshold =
 412                 DPAA2_EVENT_MAX_NUM_EVENTS;
 413         port_conf->dequeue_depth =
 414                 DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 415         port_conf->enqueue_depth =
 416                 DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 417 }
 418
 419 static void
 420 dpaa2_eventdev_port_release(void *port)
 421 {
 422         PMD_DRV_FUNC_TRACE();
 423
 424         RTE_SET_USED(port);
 425 }
 426
 427 static int
 428 dpaa2_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 429                           const struct rte_event_port_conf *port_conf)
 430 {
 431         PMD_DRV_FUNC_TRACE();
 432
 433         RTE_SET_USED(port_conf);
 434
 435         if (!dpaa2_io_portal[port_id].dpio_dev) {
 436                 dpaa2_io_portal[port_id].dpio_dev =
 437                                 dpaa2_get_qbman_swp(port_id);
 438                 rte_atomic16_inc(&dpaa2_io_portal[port_id].dpio_dev->ref_count);
 439                 if (!dpaa2_io_portal[port_id].dpio_dev)
 440                         return -1;
 441         }
 442
 443         dpaa2_io_portal[port_id].eventdev = dev;
 444         dev->data->ports[port_id] = &dpaa2_io_portal[port_id];
 445         return 0;
 446 }
 447
 448 static int
 449 dpaa2_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
 450                            uint8_t queues[], uint16_t nb_unlinks)
 451 {
 452         struct dpaa2_eventdev *priv = dev->data->dev_private;
 453         struct dpaa2_io_portal_t *dpaa2_portal = port;
 454         struct evq_info_t *evq_info;
 455         int i;
 456
 457         PMD_DRV_FUNC_TRACE();
 458
 459         for (i = 0; i < nb_unlinks; i++) {
 460                 evq_info = &priv->evq_info[queues[i]];
 461                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 462                                    evq_info->dpcon->channel_index, 0);
 463                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 464                                         0, dpaa2_portal->dpio_dev->token,
 465                         evq_info->dpcon->dpcon_id);
 466                 evq_info->link = 0;
 467         }
 468
 469         return (int)nb_unlinks;
 470 }
 471
 472 static int
 473 dpaa2_eventdev_port_link(struct rte_eventdev *dev, void *port,
 474                          const uint8_t queues[], const uint8_t priorities[],
 475                         uint16_t nb_links)
 476 {
 477         struct dpaa2_eventdev *priv = dev->data->dev_private;
 478         struct dpaa2_io_portal_t *dpaa2_portal = port;
 479         struct evq_info_t *evq_info;
 480         uint8_t channel_index;
 481         int ret, i, n;
 482
 483         PMD_DRV_FUNC_TRACE();
 484
 485         for (i = 0; i < nb_links; i++) {
 486                 evq_info = &priv->evq_info[queues[i]];
 487                 if (evq_info->link)
 488                         continue;
 489
 490                 ret = dpio_add_static_dequeue_channel(
 491                         dpaa2_portal->dpio_dev->dpio,
 492                         CMD_PRI_LOW, dpaa2_portal->dpio_dev->token,
 493                         evq_info->dpcon->dpcon_id, &channel_index);
 494                 if (ret < 0) {
 495                         PMD_DRV_ERR("Static dequeue cfg failed with ret: %d\n",
 496                                     ret);
 497                         goto err;
 498                 }
 499
 500                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 501                                    channel_index, 1);
 502                 evq_info->dpcon->channel_index = channel_index;
 503                 evq_info->link = 1;
 504         }
 505
 506         RTE_SET_USED(priorities);
 507
 508         return (int)nb_links;
 509 err:
 510         for (n = 0; n < i; n++) {
 511                 evq_info = &priv->evq_info[queues[n]];
 512                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 513                                    evq_info->dpcon->channel_index, 0);
 514                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 515                                         0, dpaa2_portal->dpio_dev->token,
 516                         evq_info->dpcon->dpcon_id);
 517                 evq_info->link = 0;
 518         }
 519         return ret;
 520 }
 521
 522 static int
 523 dpaa2_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
 524                              uint64_t *timeout_ticks)
 525 {
 526         uint32_t scale = 1;
 527
 528         PMD_DRV_FUNC_TRACE();
 529
 530         RTE_SET_USED(dev);
 531         *timeout_ticks = ns * scale;
 532
 533         return 0;
 534 }
 535
 536 static void
 537 dpaa2_eventdev_dump(struct rte_eventdev *dev, FILE *f)
 538 {
 539         PMD_DRV_FUNC_TRACE();
 540
 541         RTE_SET_USED(dev);
 542         RTE_SET_USED(f);
 543 }
 544
 545 static int
 546 dpaa2_eventdev_eth_caps_get(const struct rte_eventdev *dev,
 547                             const struct rte_eth_dev *eth_dev,
 548                             uint32_t *caps)
 549 {
 550         const char *ethdev_driver = eth_dev->device->driver->name;
 551
 552         PMD_DRV_FUNC_TRACE();
 553
 554         RTE_SET_USED(dev);
 555
 556         if (!strcmp(ethdev_driver, "net_dpaa2"))
 557                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA2_CAP;
 558         else
 559                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 560
 561         return 0;
 562 }
 563
 564 static int
 565 dpaa2_eventdev_eth_queue_add_all(const struct rte_eventdev *dev,
 566                 const struct rte_eth_dev *eth_dev,
 567                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 568 {
 569         struct dpaa2_eventdev *priv = dev->data->dev_private;
 570         uint8_t ev_qid = queue_conf->ev.queue_id;
 571         uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
 572         int i, ret;
 573
 574         PMD_DRV_FUNC_TRACE();
 575
 576         for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
 577                 ret = dpaa2_eth_eventq_attach(eth_dev, i,
 578                                 dpcon_id, queue_conf);
 579                 if (ret) {
 580                         PMD_DRV_ERR("dpaa2_eth_eventq_attach failed: ret %d\n",
 581                                     ret);
 582                         goto fail;
 583                 }
 584         }
 585         return 0;
 586 fail:
 587         for (i = (i - 1); i >= 0 ; i--)
 588                 dpaa2_eth_eventq_detach(eth_dev, i);
 589
 590         return ret;
 591 }
 592
 593 static int
 594 dpaa2_eventdev_eth_queue_add(const struct rte_eventdev *dev,
 595                 const struct rte_eth_dev *eth_dev,
 596                 int32_t rx_queue_id,
 597                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 598 {
 599         struct dpaa2_eventdev *priv = dev->data->dev_private;
 600         uint8_t ev_qid = queue_conf->ev.queue_id;
 601         uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
 602         int ret;
 603
 604         PMD_DRV_FUNC_TRACE();
 605
 606         if (rx_queue_id == -1)
 607                 return dpaa2_eventdev_eth_queue_add_all(dev,
 608                                 eth_dev, queue_conf);
 609
 610         ret = dpaa2_eth_eventq_attach(eth_dev, rx_queue_id,
 611                         dpcon_id, queue_conf);
 612         if (ret) {
 613                 PMD_DRV_ERR("dpaa2_eth_eventq_attach failed: ret: %d\n", ret);
 614                 return ret;
 615         }
 616         return 0;
 617 }
 618
 619 static int
 620 dpaa2_eventdev_eth_queue_del_all(const struct rte_eventdev *dev,
 621                              const struct rte_eth_dev *eth_dev)
 622 {
 623         int i, ret;
 624
 625         PMD_DRV_FUNC_TRACE();
 626
 627         RTE_SET_USED(dev);
 628
 629         for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
 630                 ret = dpaa2_eth_eventq_detach(eth_dev, i);
 631                 if (ret) {
 632                         PMD_DRV_ERR("dpaa2_eth_eventq_detach failed: ret %d\n",
 633                                     ret);
 634                         return ret;
 635                 }
 636         }
 637
 638         return 0;
 639 }
 640
 641 static int
 642 dpaa2_eventdev_eth_queue_del(const struct rte_eventdev *dev,
 643                              const struct rte_eth_dev *eth_dev,
 644                              int32_t rx_queue_id)
 645 {
 646         int ret;
 647
 648         PMD_DRV_FUNC_TRACE();
 649
 650         if (rx_queue_id == -1)
 651                 return dpaa2_eventdev_eth_queue_del_all(dev, eth_dev);
 652
 653         ret = dpaa2_eth_eventq_detach(eth_dev, rx_queue_id);
 654         if (ret) {
 655                 PMD_DRV_ERR("dpaa2_eth_eventq_detach failed: ret: %d\n", ret);
 656                 return ret;
 657         }
 658
 659         return 0;
 660 }
 661
 662 static int
 663 dpaa2_eventdev_eth_start(const struct rte_eventdev *dev,
 664                          const struct rte_eth_dev *eth_dev)
 665 {
 666         PMD_DRV_FUNC_TRACE();
 667
 668         RTE_SET_USED(dev);
 669         RTE_SET_USED(eth_dev);
 670
 671         return 0;
 672 }
 673
 674 static int
 675 dpaa2_eventdev_eth_stop(const struct rte_eventdev *dev,
 676                         const struct rte_eth_dev *eth_dev)
 677 {
 678         PMD_DRV_FUNC_TRACE();
 679
 680         RTE_SET_USED(dev);
 681         RTE_SET_USED(eth_dev);
 682
 683         return 0;
 684 }
 685
 686 static const struct rte_eventdev_ops dpaa2_eventdev_ops = {
 687         .dev_infos_get    = dpaa2_eventdev_info_get,
 688         .dev_configure    = dpaa2_eventdev_configure,
 689         .dev_start        = dpaa2_eventdev_start,
 690         .dev_stop         = dpaa2_eventdev_stop,
 691         .dev_close        = dpaa2_eventdev_close,
 692         .queue_def_conf   = dpaa2_eventdev_queue_def_conf,
 693         .queue_setup      = dpaa2_eventdev_queue_setup,
 694         .queue_release    = dpaa2_eventdev_queue_release,
 695         .port_def_conf    = dpaa2_eventdev_port_def_conf,
 696         .port_setup       = dpaa2_eventdev_port_setup,
 697         .port_release     = dpaa2_eventdev_port_release,
 698         .port_link        = dpaa2_eventdev_port_link,
 699         .port_unlink      = dpaa2_eventdev_port_unlink,
 700         .timeout_ticks    = dpaa2_eventdev_timeout_ticks,
 701         .dump             = dpaa2_eventdev_dump,
 702         .eth_rx_adapter_caps_get = dpaa2_eventdev_eth_caps_get,
 703         .eth_rx_adapter_queue_add = dpaa2_eventdev_eth_queue_add,
 704         .eth_rx_adapter_queue_del = dpaa2_eventdev_eth_queue_del,
 705         .eth_rx_adapter_start = dpaa2_eventdev_eth_start,
 706         .eth_rx_adapter_stop = dpaa2_eventdev_eth_stop,
 707 };
 708
 709 static int
 710 dpaa2_eventdev_setup_dpci(struct dpaa2_dpci_dev *dpci_dev,
 711                           struct dpaa2_dpcon_dev *dpcon_dev)
 712 {
 713         struct dpci_rx_queue_cfg rx_queue_cfg;
 714         int ret, i;
 715
 716         /*Do settings to get the frame on a DPCON object*/
 717         rx_queue_cfg.options = DPCI_QUEUE_OPT_DEST |
 718                   DPCI_QUEUE_OPT_USER_CTX;
 719         rx_queue_cfg.dest_cfg.dest_type = DPCI_DEST_DPCON;
 720         rx_queue_cfg.dest_cfg.dest_id = dpcon_dev->dpcon_id;
 721         rx_queue_cfg.dest_cfg.priority = DPAA2_EVENT_DEFAULT_DPCI_PRIO;
 722
 723         dpci_dev->queue[DPAA2_EVENT_DPCI_PARALLEL_QUEUE].cb =
 724                 dpaa2_eventdev_process_parallel;
 725         dpci_dev->queue[DPAA2_EVENT_DPCI_ATOMIC_QUEUE].cb =
 726                 dpaa2_eventdev_process_atomic;
 727
 728         for (i = 0 ; i < DPAA2_EVENT_DPCI_MAX_QUEUES; i++) {
 729                 rx_queue_cfg.user_ctx = (uint64_t)(&dpci_dev->queue[i]);
 730                 ret = dpci_set_rx_queue(&dpci_dev->dpci,
 731                                         CMD_PRI_LOW,
 732                                         dpci_dev->token, i,
 733                                         &rx_queue_cfg);
 734                 if (ret) {
 735                         PMD_DRV_LOG(ERR,
 736                                     "set_rx_q failed with err code: %d", ret);
 737                         return ret;
 738                 }
 739         }
 740         return 0;
 741 }
 742
 743 static int
 744 dpaa2_eventdev_create(const char *name)
 745 {
 746         struct rte_eventdev *eventdev;
 747         struct dpaa2_eventdev *priv;
 748         struct dpaa2_dpcon_dev *dpcon_dev = NULL;
 749         struct dpaa2_dpci_dev *dpci_dev = NULL;
 750         int ret;
 751
 752         eventdev = rte_event_pmd_vdev_init(name,
 753                                            sizeof(struct dpaa2_eventdev),
 754                                            rte_socket_id());
 755         if (eventdev == NULL) {
 756                 PMD_DRV_ERR("Failed to create eventdev vdev %s", name);
 757                 goto fail;
 758         }
 759
 760         eventdev->dev_ops       = &dpaa2_eventdev_ops;
 761         eventdev->enqueue       = dpaa2_eventdev_enqueue;
 762         eventdev->enqueue_burst = dpaa2_eventdev_enqueue_burst;
 763         eventdev->enqueue_new_burst = dpaa2_eventdev_enqueue_burst;
 764         eventdev->enqueue_forward_burst = dpaa2_eventdev_enqueue_burst;
 765         eventdev->dequeue       = dpaa2_eventdev_dequeue;
 766         eventdev->dequeue_burst = dpaa2_eventdev_dequeue_burst;
 767
 768         /* For secondary processes, the primary has done all the work */
 769         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 770                 return 0;
 771
 772         priv = eventdev->data->dev_private;
 773         priv->max_event_queues = 0;
 774
 775         do {
 776                 dpcon_dev = rte_dpaa2_alloc_dpcon_dev();
 777                 if (!dpcon_dev)
 778                         break;
 779                 priv->evq_info[priv->max_event_queues].dpcon = dpcon_dev;
 780
 781                 dpci_dev = rte_dpaa2_alloc_dpci_dev();
 782                 if (!dpci_dev) {
 783                         rte_dpaa2_free_dpcon_dev(dpcon_dev);
 784                         break;
 785                 }
 786                 priv->evq_info[priv->max_event_queues].dpci = dpci_dev;
 787
 788                 ret = dpaa2_eventdev_setup_dpci(dpci_dev, dpcon_dev);
 789                 if (ret) {
 790                         PMD_DRV_LOG(ERR,
 791                                     "dpci setup failed with err code: %d", ret);
 792                         return ret;
 793                 }
 794                 priv->max_event_queues++;
 795         } while (dpcon_dev && dpci_dev);
 796
 797         return 0;
 798 fail:
 799         return -EFAULT;
 800 }
 801
 802 static int
 803 dpaa2_eventdev_probe(struct rte_vdev_device *vdev)
 804 {
 805         const char *name;
 806
 807         name = rte_vdev_device_name(vdev);
 808         PMD_DRV_LOG(INFO, "Initializing %s", name);
 809         return dpaa2_eventdev_create(name);
 810 }
 811
 812 static int
 813 dpaa2_eventdev_remove(struct rte_vdev_device *vdev)
 814 {
 815         const char *name;
 816
 817         name = rte_vdev_device_name(vdev);
 818         PMD_DRV_LOG(INFO, "Closing %s", name);
 819
 820         return rte_event_pmd_vdev_uninit(name);
 821 }
 822
 823 static struct rte_vdev_driver vdev_eventdev_dpaa2_pmd = {
 824         .probe = dpaa2_eventdev_probe,
 825         .remove = dpaa2_eventdev_remove
 826 };
 827
 828 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA2_PMD, vdev_eventdev_dpaa2_pmd);