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_driver.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 "dpaa2_eventdev_logs.h"
  39 #include <portal/dpaa2_hw_pvt.h>
  40 #include <mc/fsl_dpci.h>
  41
  42 /* Clarifications
  43  * Evendev = SoC Instance
  44  * Eventport = DPIO Instance
  45  * Eventqueue = DPCON Instance
  46  * 1 Eventdev can have N Eventqueue
  47  * Soft Event Flow is DPCI Instance
  48  */
  49
  50 /* Dynamic logging identified for mempool */
  51 int dpaa2_logtype_event;
  52
  53 static uint16_t
  54 dpaa2_eventdev_enqueue_burst(void *port, const struct rte_event ev[],
  55                              uint16_t nb_events)
  56 {
  57         struct rte_eventdev *ev_dev =
  58                         ((struct dpaa2_io_portal_t *)port)->eventdev;
  59         struct dpaa2_eventdev *priv = ev_dev->data->dev_private;
  60         uint32_t queue_id = ev[0].queue_id;
  61         struct evq_info_t *evq_info = &priv->evq_info[queue_id];
  62         uint32_t fqid;
  63         struct qbman_swp *swp;
  64         struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
  65         uint32_t loop, frames_to_send;
  66         struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
  67         uint16_t num_tx = 0;
  68         int ret;
  69
  70         RTE_SET_USED(port);
  71
  72         if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
  73                 ret = dpaa2_affine_qbman_swp();
  74                 if (ret) {
  75                         DPAA2_EVENTDEV_ERR("Failure in affining portal");
  76                         return 0;
  77                 }
  78         }
  79
  80         swp = DPAA2_PER_LCORE_PORTAL;
  81
  82         while (nb_events) {
  83                 frames_to_send = (nb_events >> 3) ?
  84                         MAX_TX_RING_SLOTS : nb_events;
  85
  86                 for (loop = 0; loop < frames_to_send; loop++) {
  87                         const struct rte_event *event = &ev[num_tx + loop];
  88
  89                         if (event->sched_type != RTE_SCHED_TYPE_ATOMIC)
  90                                 fqid = evq_info->dpci->rx_queue[
  91                                         DPAA2_EVENT_DPCI_PARALLEL_QUEUE].fqid;
  92                         else
  93                                 fqid = evq_info->dpci->rx_queue[
  94                                         DPAA2_EVENT_DPCI_ATOMIC_QUEUE].fqid;
  95
  96                         /* Prepare enqueue descriptor */
  97                         qbman_eq_desc_clear(&eqdesc[loop]);
  98                         qbman_eq_desc_set_fq(&eqdesc[loop], fqid);
  99                         qbman_eq_desc_set_no_orp(&eqdesc[loop], 0);
 100                         qbman_eq_desc_set_response(&eqdesc[loop], 0, 0);
 101
 102                         if (event->mbuf->seqn) {
 103                                 uint8_t dqrr_index = event->mbuf->seqn - 1;
 104
 105                                 qbman_eq_desc_set_dca(&eqdesc[loop], 1,
 106                                                       dqrr_index, 0);
 107                                 DPAA2_PER_LCORE_DQRR_SIZE--;
 108                                 DPAA2_PER_LCORE_DQRR_HELD &=
 109                                         ~(1 << dqrr_index);
 110                         }
 111
 112                         memset(&fd_arr[loop], 0, sizeof(struct qbman_fd));
 113
 114                         /*
 115                          * todo - need to align with hw context data
 116                          * to avoid copy
 117                          */
 118                         struct rte_event *ev_temp = rte_malloc(NULL,
 119                                 sizeof(struct rte_event), 0);
 120
 121                         if (!ev_temp) {
 122                                 if (!loop)
 123                                         return num_tx;
 124                                 frames_to_send = loop;
 125                                 DPAA2_EVENTDEV_ERR(
 126                                         "Unable to allocate event object");
 127                                 goto send_partial;
 128                         }
 129                         rte_memcpy(ev_temp, event, sizeof(struct rte_event));
 130                         DPAA2_SET_FD_ADDR((&fd_arr[loop]), (size_t)ev_temp);
 131                         DPAA2_SET_FD_LEN((&fd_arr[loop]),
 132                                          sizeof(struct rte_event));
 133                 }
 134 send_partial:
 135                 loop = 0;
 136                 while (loop < frames_to_send) {
 137                         loop += qbman_swp_enqueue_multiple_desc(swp,
 138                                         &eqdesc[loop], &fd_arr[loop],
 139                                         frames_to_send - loop);
 140                 }
 141                 num_tx += frames_to_send;
 142                 nb_events -= frames_to_send;
 143         }
 144
 145         return num_tx;
 146 }
 147
 148 static uint16_t
 149 dpaa2_eventdev_enqueue(void *port, const struct rte_event *ev)
 150 {
 151         return dpaa2_eventdev_enqueue_burst(port, ev, 1);
 152 }
 153
 154 static void dpaa2_eventdev_dequeue_wait(uint64_t timeout_ticks)
 155 {
 156         struct epoll_event epoll_ev;
 157
 158         qbman_swp_interrupt_clear_status(DPAA2_PER_LCORE_PORTAL,
 159                                          QBMAN_SWP_INTERRUPT_DQRI);
 160
 161         epoll_wait(DPAA2_PER_LCORE_DPIO->epoll_fd,
 162                          &epoll_ev, 1, timeout_ticks);
 163 }
 164
 165 static void dpaa2_eventdev_process_parallel(struct qbman_swp *swp,
 166                                             const struct qbman_fd *fd,
 167                                             const struct qbman_result *dq,
 168                                             struct dpaa2_queue *rxq,
 169                                             struct rte_event *ev)
 170 {
 171         struct rte_event *ev_temp =
 172                 (struct rte_event *)(size_t)DPAA2_GET_FD_ADDR(fd);
 173
 174         RTE_SET_USED(rxq);
 175
 176         rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
 177         rte_free(ev_temp);
 178
 179         qbman_swp_dqrr_consume(swp, dq);
 180 }
 181
 182 static void dpaa2_eventdev_process_atomic(struct qbman_swp *swp,
 183                                           const struct qbman_fd *fd,
 184                                           const struct qbman_result *dq,
 185                                           struct dpaa2_queue *rxq,
 186                                           struct rte_event *ev)
 187 {
 188         struct rte_event *ev_temp =
 189                 (struct rte_event *)(size_t)DPAA2_GET_FD_ADDR(fd);
 190         uint8_t dqrr_index = qbman_get_dqrr_idx(dq);
 191
 192         RTE_SET_USED(swp);
 193         RTE_SET_USED(rxq);
 194
 195         rte_memcpy(ev, ev_temp, sizeof(struct rte_event));
 196         rte_free(ev_temp);
 197         ev->mbuf->seqn = dqrr_index + 1;
 198         DPAA2_PER_LCORE_DQRR_SIZE++;
 199         DPAA2_PER_LCORE_DQRR_HELD |= 1 << dqrr_index;
 200 }
 201
 202 static uint16_t
 203 dpaa2_eventdev_dequeue_burst(void *port, struct rte_event ev[],
 204                              uint16_t nb_events, uint64_t timeout_ticks)
 205 {
 206         const struct qbman_result *dq;
 207         struct qbman_swp *swp;
 208         const struct qbman_fd *fd;
 209         struct dpaa2_queue *rxq;
 210         int num_pkts = 0, ret, i = 0;
 211
 212         RTE_SET_USED(port);
 213
 214         if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
 215                 ret = dpaa2_affine_qbman_swp();
 216                 if (ret) {
 217                         DPAA2_EVENTDEV_ERR("Failure in affining portal");
 218                         return 0;
 219                 }
 220         }
 221         swp = DPAA2_PER_LCORE_PORTAL;
 222
 223         /* Check if there are atomic contexts to be released */
 224         while (DPAA2_PER_LCORE_DQRR_SIZE) {
 225                 if (DPAA2_PER_LCORE_DQRR_HELD & (1 << i)) {
 226                         qbman_swp_dqrr_idx_consume(swp, i);
 227                         DPAA2_PER_LCORE_DQRR_SIZE--;
 228                         DPAA2_PER_LCORE_DQRR_MBUF(i)->seqn =
 229                                 DPAA2_INVALID_MBUF_SEQN;
 230                 }
 231                 i++;
 232         }
 233         DPAA2_PER_LCORE_DQRR_HELD = 0;
 234
 235         do {
 236                 dq = qbman_swp_dqrr_next(swp);
 237                 if (!dq) {
 238                         if (!num_pkts && timeout_ticks) {
 239                                 dpaa2_eventdev_dequeue_wait(timeout_ticks);
 240                                 timeout_ticks = 0;
 241                                 continue;
 242                         }
 243                         return num_pkts;
 244                 }
 245                 qbman_swp_prefetch_dqrr_next(swp);
 246
 247                 fd = qbman_result_DQ_fd(dq);
 248                 rxq = (struct dpaa2_queue *)(size_t)qbman_result_DQ_fqd_ctx(dq);
 249                 if (rxq) {
 250                         rxq->cb(swp, fd, dq, rxq, &ev[num_pkts]);
 251                 } else {
 252                         qbman_swp_dqrr_consume(swp, dq);
 253                         DPAA2_EVENTDEV_ERR("Null Return VQ received");
 254                         return 0;
 255                 }
 256
 257                 num_pkts++;
 258         } while (num_pkts < nb_events);
 259
 260         return num_pkts;
 261 }
 262
 263 static uint16_t
 264 dpaa2_eventdev_dequeue(void *port, struct rte_event *ev,
 265                        uint64_t timeout_ticks)
 266 {
 267         return dpaa2_eventdev_dequeue_burst(port, ev, 1, timeout_ticks);
 268 }
 269
 270 static void
 271 dpaa2_eventdev_info_get(struct rte_eventdev *dev,
 272                         struct rte_event_dev_info *dev_info)
 273 {
 274         struct dpaa2_eventdev *priv = dev->data->dev_private;
 275
 276         EVENTDEV_INIT_FUNC_TRACE();
 277
 278         RTE_SET_USED(dev);
 279
 280         memset(dev_info, 0, sizeof(struct rte_event_dev_info));
 281         dev_info->min_dequeue_timeout_ns =
 282                 DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
 283         dev_info->max_dequeue_timeout_ns =
 284                 DPAA2_EVENT_MAX_DEQUEUE_TIMEOUT;
 285         dev_info->dequeue_timeout_ns =
 286                 DPAA2_EVENT_MIN_DEQUEUE_TIMEOUT;
 287         dev_info->max_event_queues = priv->max_event_queues;
 288         dev_info->max_event_queue_flows =
 289                 DPAA2_EVENT_MAX_QUEUE_FLOWS;
 290         dev_info->max_event_queue_priority_levels =
 291                 DPAA2_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
 292         dev_info->max_event_priority_levels =
 293                 DPAA2_EVENT_MAX_EVENT_PRIORITY_LEVELS;
 294         dev_info->max_event_ports = rte_fslmc_get_device_count(DPAA2_IO);
 295         dev_info->max_event_port_dequeue_depth =
 296                 DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 297         dev_info->max_event_port_enqueue_depth =
 298                 DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 299         dev_info->max_num_events = DPAA2_EVENT_MAX_NUM_EVENTS;
 300         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 301                 RTE_EVENT_DEV_CAP_BURST_MODE|
 302                 RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
 303                 RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 304                 RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 305
 306 }
 307
 308 static int
 309 dpaa2_eventdev_configure(const struct rte_eventdev *dev)
 310 {
 311         struct dpaa2_eventdev *priv = dev->data->dev_private;
 312         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 313
 314         EVENTDEV_INIT_FUNC_TRACE();
 315
 316         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 317         priv->nb_event_queues = conf->nb_event_queues;
 318         priv->nb_event_ports = conf->nb_event_ports;
 319         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
 320         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
 321         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
 322         priv->event_dev_cfg = conf->event_dev_cfg;
 323
 324         DPAA2_EVENTDEV_DEBUG("Configured eventdev devid=%d",
 325                              dev->data->dev_id);
 326         return 0;
 327 }
 328
 329 static int
 330 dpaa2_eventdev_start(struct rte_eventdev *dev)
 331 {
 332         EVENTDEV_INIT_FUNC_TRACE();
 333
 334         RTE_SET_USED(dev);
 335
 336         return 0;
 337 }
 338
 339 static void
 340 dpaa2_eventdev_stop(struct rte_eventdev *dev)
 341 {
 342         EVENTDEV_INIT_FUNC_TRACE();
 343
 344         RTE_SET_USED(dev);
 345 }
 346
 347 static int
 348 dpaa2_eventdev_close(struct rte_eventdev *dev)
 349 {
 350         EVENTDEV_INIT_FUNC_TRACE();
 351
 352         RTE_SET_USED(dev);
 353
 354         return 0;
 355 }
 356
 357 static void
 358 dpaa2_eventdev_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 359                               struct rte_event_queue_conf *queue_conf)
 360 {
 361         EVENTDEV_INIT_FUNC_TRACE();
 362
 363         RTE_SET_USED(dev);
 364         RTE_SET_USED(queue_id);
 365         RTE_SET_USED(queue_conf);
 366
 367         queue_conf->nb_atomic_flows = DPAA2_EVENT_QUEUE_ATOMIC_FLOWS;
 368         queue_conf->schedule_type = RTE_SCHED_TYPE_ATOMIC |
 369                                       RTE_SCHED_TYPE_PARALLEL;
 370         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 371 }
 372
 373 static void
 374 dpaa2_eventdev_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 375 {
 376         EVENTDEV_INIT_FUNC_TRACE();
 377
 378         RTE_SET_USED(dev);
 379         RTE_SET_USED(queue_id);
 380 }
 381
 382 static int
 383 dpaa2_eventdev_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 384                            const struct rte_event_queue_conf *queue_conf)
 385 {
 386         struct dpaa2_eventdev *priv = dev->data->dev_private;
 387         struct evq_info_t *evq_info =
 388                 &priv->evq_info[queue_id];
 389
 390         EVENTDEV_INIT_FUNC_TRACE();
 391
 392         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
 393
 394         return 0;
 395 }
 396
 397 static void
 398 dpaa2_eventdev_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 399                              struct rte_event_port_conf *port_conf)
 400 {
 401         EVENTDEV_INIT_FUNC_TRACE();
 402
 403         RTE_SET_USED(dev);
 404         RTE_SET_USED(port_id);
 405         RTE_SET_USED(port_conf);
 406
 407         port_conf->new_event_threshold =
 408                 DPAA2_EVENT_MAX_NUM_EVENTS;
 409         port_conf->dequeue_depth =
 410                 DPAA2_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 411         port_conf->enqueue_depth =
 412                 DPAA2_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 413         port_conf->disable_implicit_release = 0;
 414 }
 415
 416 static void
 417 dpaa2_eventdev_port_release(void *port)
 418 {
 419         EVENTDEV_INIT_FUNC_TRACE();
 420
 421         RTE_SET_USED(port);
 422 }
 423
 424 static int
 425 dpaa2_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 426                           const struct rte_event_port_conf *port_conf)
 427 {
 428         EVENTDEV_INIT_FUNC_TRACE();
 429
 430         RTE_SET_USED(port_conf);
 431
 432         if (!dpaa2_io_portal[port_id].dpio_dev) {
 433                 dpaa2_io_portal[port_id].dpio_dev =
 434                                 dpaa2_get_qbman_swp(port_id);
 435                 rte_atomic16_inc(&dpaa2_io_portal[port_id].dpio_dev->ref_count);
 436                 if (!dpaa2_io_portal[port_id].dpio_dev)
 437                         return -1;
 438         }
 439
 440         dpaa2_io_portal[port_id].eventdev = dev;
 441         dev->data->ports[port_id] = &dpaa2_io_portal[port_id];
 442         return 0;
 443 }
 444
 445 static int
 446 dpaa2_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
 447                            uint8_t queues[], uint16_t nb_unlinks)
 448 {
 449         struct dpaa2_eventdev *priv = dev->data->dev_private;
 450         struct dpaa2_io_portal_t *dpaa2_portal = port;
 451         struct evq_info_t *evq_info;
 452         int i;
 453
 454         EVENTDEV_INIT_FUNC_TRACE();
 455
 456         for (i = 0; i < nb_unlinks; i++) {
 457                 evq_info = &priv->evq_info[queues[i]];
 458                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 459                                    evq_info->dpcon->channel_index, 0);
 460                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 461                                         0, dpaa2_portal->dpio_dev->token,
 462                         evq_info->dpcon->dpcon_id);
 463                 evq_info->link = 0;
 464         }
 465
 466         return (int)nb_unlinks;
 467 }
 468
 469 static int
 470 dpaa2_eventdev_port_link(struct rte_eventdev *dev, void *port,
 471                          const uint8_t queues[], const uint8_t priorities[],
 472                         uint16_t nb_links)
 473 {
 474         struct dpaa2_eventdev *priv = dev->data->dev_private;
 475         struct dpaa2_io_portal_t *dpaa2_portal = port;
 476         struct evq_info_t *evq_info;
 477         uint8_t channel_index;
 478         int ret, i, n;
 479
 480         EVENTDEV_INIT_FUNC_TRACE();
 481
 482         for (i = 0; i < nb_links; i++) {
 483                 evq_info = &priv->evq_info[queues[i]];
 484                 if (evq_info->link)
 485                         continue;
 486
 487                 ret = dpio_add_static_dequeue_channel(
 488                         dpaa2_portal->dpio_dev->dpio,
 489                         CMD_PRI_LOW, dpaa2_portal->dpio_dev->token,
 490                         evq_info->dpcon->dpcon_id, &channel_index);
 491                 if (ret < 0) {
 492                         DPAA2_EVENTDEV_ERR(
 493                                 "Static dequeue config failed: err(%d)", ret);
 494                         goto err;
 495                 }
 496
 497                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 498                                    channel_index, 1);
 499                 evq_info->dpcon->channel_index = channel_index;
 500                 evq_info->link = 1;
 501         }
 502
 503         RTE_SET_USED(priorities);
 504
 505         return (int)nb_links;
 506 err:
 507         for (n = 0; n < i; n++) {
 508                 evq_info = &priv->evq_info[queues[n]];
 509                 qbman_swp_push_set(dpaa2_portal->dpio_dev->sw_portal,
 510                                    evq_info->dpcon->channel_index, 0);
 511                 dpio_remove_static_dequeue_channel(dpaa2_portal->dpio_dev->dpio,
 512                                         0, dpaa2_portal->dpio_dev->token,
 513                         evq_info->dpcon->dpcon_id);
 514                 evq_info->link = 0;
 515         }
 516         return ret;
 517 }
 518
 519 static int
 520 dpaa2_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
 521                              uint64_t *timeout_ticks)
 522 {
 523         uint32_t scale = 1;
 524
 525         EVENTDEV_INIT_FUNC_TRACE();
 526
 527         RTE_SET_USED(dev);
 528         *timeout_ticks = ns * scale;
 529
 530         return 0;
 531 }
 532
 533 static void
 534 dpaa2_eventdev_dump(struct rte_eventdev *dev, FILE *f)
 535 {
 536         EVENTDEV_INIT_FUNC_TRACE();
 537
 538         RTE_SET_USED(dev);
 539         RTE_SET_USED(f);
 540 }
 541
 542 static int
 543 dpaa2_eventdev_eth_caps_get(const struct rte_eventdev *dev,
 544                             const struct rte_eth_dev *eth_dev,
 545                             uint32_t *caps)
 546 {
 547         const char *ethdev_driver = eth_dev->device->driver->name;
 548
 549         EVENTDEV_INIT_FUNC_TRACE();
 550
 551         RTE_SET_USED(dev);
 552
 553         if (!strcmp(ethdev_driver, "net_dpaa2"))
 554                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA2_CAP;
 555         else
 556                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 557
 558         return 0;
 559 }
 560
 561 static int
 562 dpaa2_eventdev_eth_queue_add_all(const struct rte_eventdev *dev,
 563                 const struct rte_eth_dev *eth_dev,
 564                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 565 {
 566         struct dpaa2_eventdev *priv = dev->data->dev_private;
 567         uint8_t ev_qid = queue_conf->ev.queue_id;
 568         uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
 569         int i, ret;
 570
 571         EVENTDEV_INIT_FUNC_TRACE();
 572
 573         for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
 574                 ret = dpaa2_eth_eventq_attach(eth_dev, i,
 575                                 dpcon_id, queue_conf);
 576                 if (ret) {
 577                         DPAA2_EVENTDEV_ERR(
 578                                 "Event queue attach failed: err(%d)", ret);
 579                         goto fail;
 580                 }
 581         }
 582         return 0;
 583 fail:
 584         for (i = (i - 1); i >= 0 ; i--)
 585                 dpaa2_eth_eventq_detach(eth_dev, i);
 586
 587         return ret;
 588 }
 589
 590 static int
 591 dpaa2_eventdev_eth_queue_add(const struct rte_eventdev *dev,
 592                 const struct rte_eth_dev *eth_dev,
 593                 int32_t rx_queue_id,
 594                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 595 {
 596         struct dpaa2_eventdev *priv = dev->data->dev_private;
 597         uint8_t ev_qid = queue_conf->ev.queue_id;
 598         uint16_t dpcon_id = priv->evq_info[ev_qid].dpcon->dpcon_id;
 599         int ret;
 600
 601         EVENTDEV_INIT_FUNC_TRACE();
 602
 603         if (rx_queue_id == -1)
 604                 return dpaa2_eventdev_eth_queue_add_all(dev,
 605                                 eth_dev, queue_conf);
 606
 607         ret = dpaa2_eth_eventq_attach(eth_dev, rx_queue_id,
 608                         dpcon_id, queue_conf);
 609         if (ret) {
 610                 DPAA2_EVENTDEV_ERR(
 611                         "Event queue attach failed: err(%d)", ret);
 612                 return ret;
 613         }
 614         return 0;
 615 }
 616
 617 static int
 618 dpaa2_eventdev_eth_queue_del_all(const struct rte_eventdev *dev,
 619                              const struct rte_eth_dev *eth_dev)
 620 {
 621         int i, ret;
 622
 623         EVENTDEV_INIT_FUNC_TRACE();
 624
 625         RTE_SET_USED(dev);
 626
 627         for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
 628                 ret = dpaa2_eth_eventq_detach(eth_dev, i);
 629                 if (ret) {
 630                         DPAA2_EVENTDEV_ERR(
 631                                 "Event queue detach failed: err(%d)", ret);
 632                         return ret;
 633                 }
 634         }
 635
 636         return 0;
 637 }
 638
 639 static int
 640 dpaa2_eventdev_eth_queue_del(const struct rte_eventdev *dev,
 641                              const struct rte_eth_dev *eth_dev,
 642                              int32_t rx_queue_id)
 643 {
 644         int ret;
 645
 646         EVENTDEV_INIT_FUNC_TRACE();
 647
 648         if (rx_queue_id == -1)
 649                 return dpaa2_eventdev_eth_queue_del_all(dev, eth_dev);
 650
 651         ret = dpaa2_eth_eventq_detach(eth_dev, rx_queue_id);
 652         if (ret) {
 653                 DPAA2_EVENTDEV_ERR(
 654                         "Event queue detach failed: err(%d)", ret);
 655                 return ret;
 656         }
 657
 658         return 0;
 659 }
 660
 661 static int
 662 dpaa2_eventdev_eth_start(const struct rte_eventdev *dev,
 663                          const struct rte_eth_dev *eth_dev)
 664 {
 665         EVENTDEV_INIT_FUNC_TRACE();
 666
 667         RTE_SET_USED(dev);
 668         RTE_SET_USED(eth_dev);
 669
 670         return 0;
 671 }
 672
 673 static int
 674 dpaa2_eventdev_eth_stop(const struct rte_eventdev *dev,
 675                         const struct rte_eth_dev *eth_dev)
 676 {
 677         EVENTDEV_INIT_FUNC_TRACE();
 678
 679         RTE_SET_USED(dev);
 680         RTE_SET_USED(eth_dev);
 681
 682         return 0;
 683 }
 684
 685 static struct rte_eventdev_ops dpaa2_eventdev_ops = {
 686         .dev_infos_get    = dpaa2_eventdev_info_get,
 687         .dev_configure    = dpaa2_eventdev_configure,
 688         .dev_start        = dpaa2_eventdev_start,
 689         .dev_stop         = dpaa2_eventdev_stop,
 690         .dev_close        = dpaa2_eventdev_close,
 691         .queue_def_conf   = dpaa2_eventdev_queue_def_conf,
 692         .queue_setup      = dpaa2_eventdev_queue_setup,
 693         .queue_release    = dpaa2_eventdev_queue_release,
 694         .port_def_conf    = dpaa2_eventdev_port_def_conf,
 695         .port_setup       = dpaa2_eventdev_port_setup,
 696         .port_release     = dpaa2_eventdev_port_release,
 697         .port_link        = dpaa2_eventdev_port_link,
 698         .port_unlink      = dpaa2_eventdev_port_unlink,
 699         .timeout_ticks    = dpaa2_eventdev_timeout_ticks,
 700         .dump             = dpaa2_eventdev_dump,
 701         .eth_rx_adapter_caps_get = dpaa2_eventdev_eth_caps_get,
 702         .eth_rx_adapter_queue_add = dpaa2_eventdev_eth_queue_add,
 703         .eth_rx_adapter_queue_del = dpaa2_eventdev_eth_queue_del,
 704         .eth_rx_adapter_start = dpaa2_eventdev_eth_start,
 705         .eth_rx_adapter_stop = dpaa2_eventdev_eth_stop,
 706 };
 707
 708 static int
 709 dpaa2_eventdev_setup_dpci(struct dpaa2_dpci_dev *dpci_dev,
 710                           struct dpaa2_dpcon_dev *dpcon_dev)
 711 {
 712         struct dpci_rx_queue_cfg rx_queue_cfg;
 713         int ret, i;
 714
 715         /*Do settings to get the frame on a DPCON object*/
 716         rx_queue_cfg.options = DPCI_QUEUE_OPT_DEST |
 717                   DPCI_QUEUE_OPT_USER_CTX;
 718         rx_queue_cfg.dest_cfg.dest_type = DPCI_DEST_DPCON;
 719         rx_queue_cfg.dest_cfg.dest_id = dpcon_dev->dpcon_id;
 720         rx_queue_cfg.dest_cfg.priority = DPAA2_EVENT_DEFAULT_DPCI_PRIO;
 721
 722         dpci_dev->rx_queue[DPAA2_EVENT_DPCI_PARALLEL_QUEUE].cb =
 723                 dpaa2_eventdev_process_parallel;
 724         dpci_dev->rx_queue[DPAA2_EVENT_DPCI_ATOMIC_QUEUE].cb =
 725                 dpaa2_eventdev_process_atomic;
 726
 727         for (i = 0 ; i < DPAA2_EVENT_DPCI_MAX_QUEUES; i++) {
 728                 rx_queue_cfg.user_ctx = (size_t)(&dpci_dev->rx_queue[i]);
 729                 ret = dpci_set_rx_queue(&dpci_dev->dpci,
 730                                         CMD_PRI_LOW,
 731                                         dpci_dev->token, i,
 732                                         &rx_queue_cfg);
 733                 if (ret) {
 734                         DPAA2_EVENTDEV_ERR(
 735                                 "DPCI Rx queue setup failed: err(%d)",
 736                                 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                 DPAA2_EVENTDEV_ERR("Failed to create Event device %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                         DPAA2_EVENTDEV_ERR(
 791                                     "DPCI setup failed: err(%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         DPAA2_EVENTDEV_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         DPAA2_EVENTDEV_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);
 829
 830 RTE_INIT(dpaa2_eventdev_init_log);
 831 static void
 832 dpaa2_eventdev_init_log(void)
 833 {
 834         dpaa2_logtype_event = rte_log_register("pmd.event.dpaa2");
 835         if (dpaa2_logtype_event >= 0)
 836                 rte_log_set_level(dpaa2_logtype_event, RTE_LOG_NOTICE);
 837 }