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         port_conf->disable_implicit_release = 0;
 418 }
 419
 420 static void
 421 dpaa2_eventdev_port_release(void *port)
 422 {
 423         PMD_DRV_FUNC_TRACE();
 424
 425         RTE_SET_USED(port);
 426 }
 427
 428 static int
 429 dpaa2_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 430                           const struct rte_event_port_conf *port_conf)
 431 {
 432         PMD_DRV_FUNC_TRACE();
 433
 434         RTE_SET_USED(port_conf);
 435
 436         if (!dpaa2_io_portal[port_id].dpio_dev) {
 437                 dpaa2_io_portal[port_id].dpio_dev =
 438                                 dpaa2_get_qbman_swp(port_id);
 439                 rte_atomic16_inc(&dpaa2_io_portal[port_id].dpio_dev->ref_count);
 440                 if (!dpaa2_io_portal[port_id].dpio_dev)
 441                         return -1;
 442         }
 443
 444         dpaa2_io_portal[port_id].eventdev = dev;
 445         dev->data->ports[port_id] = &dpaa2_io_portal[port_id];
 446         return 0;
 447 }
 448
 449 static int
 450 dpaa2_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
 451                            uint8_t queues[], uint16_t nb_unlinks)
 452 {
 453         struct dpaa2_eventdev *priv = dev->data->dev_private;
 454         struct dpaa2_io_portal_t *dpaa2_portal = port;
 455         struct evq_info_t *evq_info;
 456         int i;
 457
 458         PMD_DRV_FUNC_TRACE();
 459
 460         for (i = 0; i < nb_unlinks; i++) {
 461                 evq_info = &priv->evq_info[queues[i]];
 462                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 463                                    evq_info->dpcon->channel_index, 0);
 464                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 465                                         0, dpaa2_portal->dpio_dev->token,
 466                         evq_info->dpcon->dpcon_id);
 467                 evq_info->link = 0;
 468         }
 469
 470         return (int)nb_unlinks;
 471 }
 472
 473 static int
 474 dpaa2_eventdev_port_link(struct rte_eventdev *dev, void *port,
 475                          const uint8_t queues[], const uint8_t priorities[],
 476                         uint16_t nb_links)
 477 {
 478         struct dpaa2_eventdev *priv = dev->data->dev_private;
 479         struct dpaa2_io_portal_t *dpaa2_portal = port;
 480         struct evq_info_t *evq_info;
 481         uint8_t channel_index;
 482         int ret, i, n;
 483
 484         PMD_DRV_FUNC_TRACE();
 485
 486         for (i = 0; i < nb_links; i++) {
 487                 evq_info = &priv->evq_info[queues[i]];
 488                 if (evq_info->link)
 489                         continue;
 490
 491                 ret = dpio_add_static_dequeue_channel(
 492                         dpaa2_portal->dpio_dev->dpio,
 493                         CMD_PRI_LOW, dpaa2_portal->dpio_dev->token,
 494                         evq_info->dpcon->dpcon_id, &channel_index);
 495                 if (ret < 0) {
 496                         PMD_DRV_ERR("Static dequeue cfg failed with ret: %d\n",
 497                                     ret);
 498                         goto err;
 499                 }
 500
 501                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 502                                    channel_index, 1);
 503                 evq_info->dpcon->channel_index = channel_index;
 504                 evq_info->link = 1;
 505         }
 506
 507         RTE_SET_USED(priorities);
 508
 509         return (int)nb_links;
 510 err:
 511         for (n = 0; n < i; n++) {
 512                 evq_info = &priv->evq_info[queues[n]];
 513                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 514                                    evq_info->dpcon->channel_index, 0);
 515                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 516                                         0, dpaa2_portal->dpio_dev->token,
 517                         evq_info->dpcon->dpcon_id);
 518                 evq_info->link = 0;
 519         }
 520         return ret;
 521 }
 522
 523 static int
 524 dpaa2_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
 525                              uint64_t *timeout_ticks)
 526 {
 527         uint32_t scale = 1;
 528
 529         PMD_DRV_FUNC_TRACE();
 530
 531         RTE_SET_USED(dev);
 532         *timeout_ticks = ns * scale;
 533
 534         return 0;
 535 }
 536
 537 static void
 538 dpaa2_eventdev_dump(struct rte_eventdev *dev, FILE *f)
 539 {
 540         PMD_DRV_FUNC_TRACE();
 541
 542         RTE_SET_USED(dev);
 543         RTE_SET_USED(f);
 544 }
 545
 546 static int
 547 dpaa2_eventdev_eth_caps_get(const struct rte_eventdev *dev,
 548                             const struct rte_eth_dev *eth_dev,
 549                             uint32_t *caps)
 550 {
 551         const char *ethdev_driver = eth_dev->device->driver->name;
 552
 553         PMD_DRV_FUNC_TRACE();
 554
 555         RTE_SET_USED(dev);
 556
 557         if (!strcmp(ethdev_driver, "net_dpaa2"))
 558                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA2_CAP;
 559         else
 560                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 561
 562         return 0;
 563 }
 564
 565 static int
 566 dpaa2_eventdev_eth_queue_add_all(const struct rte_eventdev *dev,
 567                 const struct rte_eth_dev *eth_dev,
 568                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 569 {
 570         struct dpaa2_eventdev *priv = dev->data->dev_private;
 571         uint8_t ev_qid = queue_conf->ev.queue_id;
 572         uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
 573         int i, ret;
 574
 575         PMD_DRV_FUNC_TRACE();
 576
 577         for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
 578                 ret = dpaa2_eth_eventq_attach(eth_dev, i,
 579                                 dpcon_id, queue_conf);
 580                 if (ret) {
 581                         PMD_DRV_ERR("dpaa2_eth_eventq_attach failed: ret %d\n",
 582                                     ret);
 583                         goto fail;
 584                 }
 585         }
 586         return 0;
 587 fail:
 588         for (i = (i - 1); i >= 0 ; i--)
 589                 dpaa2_eth_eventq_detach(eth_dev, i);
 590
 591         return ret;
 592 }
 593
 594 static int
 595 dpaa2_eventdev_eth_queue_add(const struct rte_eventdev *dev,
 596                 const struct rte_eth_dev *eth_dev,
 597                 int32_t rx_queue_id,
 598                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 599 {
 600         struct dpaa2_eventdev *priv = dev->data->dev_private;
 601         uint8_t ev_qid = queue_conf->ev.queue_id;
 602         uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
 603         int ret;
 604
 605         PMD_DRV_FUNC_TRACE();
 606
 607         if (rx_queue_id == -1)
 608                 return dpaa2_eventdev_eth_queue_add_all(dev,
 609                                 eth_dev, queue_conf);
 610
 611         ret = dpaa2_eth_eventq_attach(eth_dev, rx_queue_id,
 612                         dpcon_id, queue_conf);
 613         if (ret) {
 614                 PMD_DRV_ERR("dpaa2_eth_eventq_attach failed: ret: %d\n", ret);
 615                 return ret;
 616         }
 617         return 0;
 618 }
 619
 620 static int
 621 dpaa2_eventdev_eth_queue_del_all(const struct rte_eventdev *dev,
 622                              const struct rte_eth_dev *eth_dev)
 623 {
 624         int i, ret;
 625
 626         PMD_DRV_FUNC_TRACE();
 627
 628         RTE_SET_USED(dev);
 629
 630         for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
 631                 ret = dpaa2_eth_eventq_detach(eth_dev, i);
 632                 if (ret) {
 633                         PMD_DRV_ERR("dpaa2_eth_eventq_detach failed: ret %d\n",
 634                                     ret);
 635                         return ret;
 636                 }
 637         }
 638
 639         return 0;
 640 }
 641
 642 static int
 643 dpaa2_eventdev_eth_queue_del(const struct rte_eventdev *dev,
 644                              const struct rte_eth_dev *eth_dev,
 645                              int32_t rx_queue_id)
 646 {
 647         int ret;
 648
 649         PMD_DRV_FUNC_TRACE();
 650
 651         if (rx_queue_id == -1)
 652                 return dpaa2_eventdev_eth_queue_del_all(dev, eth_dev);
 653
 654         ret = dpaa2_eth_eventq_detach(eth_dev, rx_queue_id);
 655         if (ret) {
 656                 PMD_DRV_ERR("dpaa2_eth_eventq_detach failed: ret: %d\n", ret);
 657                 return ret;
 658         }
 659
 660         return 0;
 661 }
 662
 663 static int
 664 dpaa2_eventdev_eth_start(const struct rte_eventdev *dev,
 665                          const struct rte_eth_dev *eth_dev)
 666 {
 667         PMD_DRV_FUNC_TRACE();
 668
 669         RTE_SET_USED(dev);
 670         RTE_SET_USED(eth_dev);
 671
 672         return 0;
 673 }
 674
 675 static int
 676 dpaa2_eventdev_eth_stop(const struct rte_eventdev *dev,
 677                         const struct rte_eth_dev *eth_dev)
 678 {
 679         PMD_DRV_FUNC_TRACE();
 680
 681         RTE_SET_USED(dev);
 682         RTE_SET_USED(eth_dev);
 683
 684         return 0;
 685 }
 686
 687 static const struct rte_eventdev_ops dpaa2_eventdev_ops = {
 688         .dev_infos_get    = dpaa2_eventdev_info_get,
 689         .dev_configure    = dpaa2_eventdev_configure,
 690         .dev_start        = dpaa2_eventdev_start,
 691         .dev_stop         = dpaa2_eventdev_stop,
 692         .dev_close        = dpaa2_eventdev_close,
 693         .queue_def_conf   = dpaa2_eventdev_queue_def_conf,
 694         .queue_setup      = dpaa2_eventdev_queue_setup,
 695         .queue_release    = dpaa2_eventdev_queue_release,
 696         .port_def_conf    = dpaa2_eventdev_port_def_conf,
 697         .port_setup       = dpaa2_eventdev_port_setup,
 698         .port_release     = dpaa2_eventdev_port_release,
 699         .port_link        = dpaa2_eventdev_port_link,
 700         .port_unlink      = dpaa2_eventdev_port_unlink,
 701         .timeout_ticks    = dpaa2_eventdev_timeout_ticks,
 702         .dump             = dpaa2_eventdev_dump,
 703         .eth_rx_adapter_caps_get = dpaa2_eventdev_eth_caps_get,
 704         .eth_rx_adapter_queue_add = dpaa2_eventdev_eth_queue_add,
 705         .eth_rx_adapter_queue_del = dpaa2_eventdev_eth_queue_del,
 706         .eth_rx_adapter_start = dpaa2_eventdev_eth_start,
 707         .eth_rx_adapter_stop = dpaa2_eventdev_eth_stop,
 708 };
 709
 710 static int
 711 dpaa2_eventdev_setup_dpci(struct dpaa2_dpci_dev *dpci_dev,
 712                           struct dpaa2_dpcon_dev *dpcon_dev)
 713 {
 714         struct dpci_rx_queue_cfg rx_queue_cfg;
 715         int ret, i;
 716
 717         /*Do settings to get the frame on a DPCON object*/
 718         rx_queue_cfg.options = DPCI_QUEUE_OPT_DEST |
 719                   DPCI_QUEUE_OPT_USER_CTX;
 720         rx_queue_cfg.dest_cfg.dest_type = DPCI_DEST_DPCON;
 721         rx_queue_cfg.dest_cfg.dest_id = dpcon_dev->dpcon_id;
 722         rx_queue_cfg.dest_cfg.priority = DPAA2_EVENT_DEFAULT_DPCI_PRIO;
 723
 724         dpci_dev->queue[DPAA2_EVENT_DPCI_PARALLEL_QUEUE].cb =
 725                 dpaa2_eventdev_process_parallel;
 726         dpci_dev->queue[DPAA2_EVENT_DPCI_ATOMIC_QUEUE].cb =
 727                 dpaa2_eventdev_process_atomic;
 728
 729         for (i = 0 ; i < DPAA2_EVENT_DPCI_MAX_QUEUES; i++) {
 730                 rx_queue_cfg.user_ctx = (uint64_t)(&dpci_dev->queue[i]);
 731                 ret = dpci_set_rx_queue(&dpci_dev->dpci,
 732                                         CMD_PRI_LOW,
 733                                         dpci_dev->token, i,
 734                                         &rx_queue_cfg);
 735                 if (ret) {
 736                         PMD_DRV_LOG(ERR,
 737                                     "set_rx_q failed with err code: %d", ret);
 738                         return ret;
 739                 }
 740         }
 741         return 0;
 742 }
 743
 744 static int
 745 dpaa2_eventdev_create(const char *name)
 746 {
 747         struct rte_eventdev *eventdev;
 748         struct dpaa2_eventdev *priv;
 749         struct dpaa2_dpcon_dev *dpcon_dev = NULL;
 750         struct dpaa2_dpci_dev *dpci_dev = NULL;
 751         int ret;
 752
 753         eventdev = rte_event_pmd_vdev_init(name,
 754                                            sizeof(struct dpaa2_eventdev),
 755                                            rte_socket_id());
 756         if (eventdev == NULL) {
 757                 PMD_DRV_ERR("Failed to create eventdev vdev %s", name);
 758                 goto fail;
 759         }
 760
 761         eventdev->dev_ops       = &dpaa2_eventdev_ops;
 762         eventdev->enqueue       = dpaa2_eventdev_enqueue;
 763         eventdev->enqueue_burst = dpaa2_eventdev_enqueue_burst;
 764         eventdev->enqueue_new_burst = dpaa2_eventdev_enqueue_burst;
 765         eventdev->enqueue_forward_burst = dpaa2_eventdev_enqueue_burst;
 766         eventdev->dequeue       = dpaa2_eventdev_dequeue;
 767         eventdev->dequeue_burst = dpaa2_eventdev_dequeue_burst;
 768
 769         /* For secondary processes, the primary has done all the work */
 770         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 771                 return 0;
 772
 773         priv = eventdev->data->dev_private;
 774         priv->max_event_queues = 0;
 775
 776         do {
 777                 dpcon_dev = rte_dpaa2_alloc_dpcon_dev();
 778                 if (!dpcon_dev)
 779                         break;
 780                 priv->evq_info[priv->max_event_queues].dpcon = dpcon_dev;
 781
 782                 dpci_dev = rte_dpaa2_alloc_dpci_dev();
 783                 if (!dpci_dev) {
 784                         rte_dpaa2_free_dpcon_dev(dpcon_dev);
 785                         break;
 786                 }
 787                 priv->evq_info[priv->max_event_queues].dpci = dpci_dev;
 788
 789                 ret = dpaa2_eventdev_setup_dpci(dpci_dev, dpcon_dev);
 790                 if (ret) {
 791                         PMD_DRV_LOG(ERR,
 792                                     "dpci setup failed with err code: %d", ret);
 793                         return ret;
 794                 }
 795                 priv->max_event_queues++;
 796         } while (dpcon_dev && dpci_dev);
 797
 798         return 0;
 799 fail:
 800         return -EFAULT;
 801 }
 802
 803 static int
 804 dpaa2_eventdev_probe(struct rte_vdev_device *vdev)
 805 {
 806         const char *name;
 807
 808         name = rte_vdev_device_name(vdev);
 809         PMD_DRV_LOG(INFO, "Initializing %s", name);
 810         return dpaa2_eventdev_create(name);
 811 }
 812
 813 static int
 814 dpaa2_eventdev_remove(struct rte_vdev_device *vdev)
 815 {
 816         const char *name;
 817
 818         name = rte_vdev_device_name(vdev);
 819         PMD_DRV_LOG(INFO, "Closing %s", name);
 820
 821         return rte_event_pmd_vdev_uninit(name);
 822 }
 823
 824 static struct rte_vdev_driver vdev_eventdev_dpaa2_pmd = {
 825         .probe = dpaa2_eventdev_probe,
 826         .remove = dpaa2_eventdev_remove
 827 };
 828
 829 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA2_PMD, vdev_eventdev_dpaa2_pmd);