drivers/event/dpaa/dpaa_eventdev.c

   1 /*   SPDX-License-Identifier:        BSD-3-Clause
   2  *   Copyright 2017 NXP
   3  */
   4
   5 #include <assert.h>
   6 #include <stdio.h>
   7 #include <stdbool.h>
   8 #include <errno.h>
   9 #include <stdint.h>
  10 #include <string.h>
  11 #include <sys/epoll.h>
  12
  13 #include <rte_atomic.h>
  14 #include <rte_byteorder.h>
  15 #include <rte_common.h>
  16 #include <rte_debug.h>
  17 #include <rte_dev.h>
  18 #include <rte_eal.h>
  19 #include <rte_lcore.h>
  20 #include <rte_log.h>
  21 #include <rte_malloc.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_memory.h>
  24 #include <rte_memzone.h>
  25 #include <rte_pci.h>
  26 #include <rte_eventdev.h>
  27 #include <rte_eventdev_pmd_vdev.h>
  28 #include <rte_ethdev.h>
  29 #include <rte_event_eth_rx_adapter.h>
  30 #include <rte_dpaa_bus.h>
  31 #include <rte_dpaa_logs.h>
  32 #include <rte_cycles.h>
  33 #include <rte_kvargs.h>
  34
  35 #include <dpaa_ethdev.h>
  36 #include "dpaa_eventdev.h"
  37 #include <dpaa_mempool.h>
  38
  39 /*
  40  * Clarifications
  41  * Evendev = Virtual Instance for SoC
  42  * Eventport = Portal Instance
  43  * Eventqueue = Channel Instance
  44  * 1 Eventdev can have N Eventqueue
  45  */
  46
  47 #define DISABLE_INTR_MODE "disable_intr"
  48
  49 static int
  50 dpaa_event_dequeue_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
  51                                  uint64_t *timeout_ticks)
  52 {
  53         EVENTDEV_INIT_FUNC_TRACE();
  54
  55         RTE_SET_USED(dev);
  56
  57         uint64_t cycles_per_second;
  58
  59         cycles_per_second = rte_get_timer_hz();
  60         *timeout_ticks = (ns * cycles_per_second) / NS_PER_S;
  61
  62         return 0;
  63 }
  64
  65 static int
  66 dpaa_event_dequeue_timeout_ticks_intr(struct rte_eventdev *dev, uint64_t ns,
  67                                  uint64_t *timeout_ticks)
  68 {
  69         RTE_SET_USED(dev);
  70
  71         *timeout_ticks = ns/1000;
  72         return 0;
  73 }
  74
  75 static void
  76 dpaa_eventq_portal_add(u16 ch_id)
  77 {
  78         uint32_t sdqcr;
  79
  80         sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(ch_id);
  81         qman_static_dequeue_add(sdqcr, NULL);
  82 }
  83
  84 static uint16_t
  85 dpaa_event_enqueue_burst(void *port, const struct rte_event ev[],
  86                          uint16_t nb_events)
  87 {
  88         uint16_t i;
  89         struct rte_mbuf *mbuf;
  90
  91         RTE_SET_USED(port);
  92         /*Release all the contexts saved previously*/
  93         for (i = 0; i < nb_events; i++) {
  94                 switch (ev[i].op) {
  95                 case RTE_EVENT_OP_RELEASE:
  96                         qman_dca_index(ev[i].impl_opaque, 0);
  97                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
  98                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
  99                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 100                         DPAA_PER_LCORE_DQRR_SIZE--;
 101                         break;
 102                 default:
 103                         break;
 104                 }
 105         }
 106
 107         return nb_events;
 108 }
 109
 110 static uint16_t
 111 dpaa_event_enqueue(void *port, const struct rte_event *ev)
 112 {
 113         return dpaa_event_enqueue_burst(port, ev, 1);
 114 }
 115
 116 static void drain_4_bytes(int fd, fd_set *fdset)
 117 {
 118         if (FD_ISSET(fd, fdset)) {
 119                 /* drain 4 bytes */
 120                 uint32_t junk;
 121                 ssize_t sjunk = read(qman_thread_fd(), &junk, sizeof(junk));
 122                 if (sjunk != sizeof(junk))
 123                         DPAA_EVENTDEV_ERR("UIO irq read error");
 124         }
 125 }
 126
 127 static inline int
 128 dpaa_event_dequeue_wait(uint64_t timeout_ticks)
 129 {
 130         int fd_qman, nfds;
 131         int ret;
 132         fd_set readset;
 133
 134         /* Go into (and back out of) IRQ mode for each select,
 135          * it simplifies exit-path considerations and other
 136          * potential nastiness.
 137          */
 138         struct timeval tv = {
 139                 .tv_sec = timeout_ticks / 1000000,
 140                 .tv_usec = timeout_ticks % 1000000
 141         };
 142
 143         fd_qman = qman_thread_fd();
 144         nfds = fd_qman + 1;
 145         FD_ZERO(&readset);
 146         FD_SET(fd_qman, &readset);
 147
 148         qman_irqsource_add(QM_PIRQ_DQRI);
 149
 150         ret = select(nfds, &readset, NULL, NULL, &tv);
 151         if (ret < 0)
 152                 return ret;
 153         /* Calling irqsource_remove() prior to thread_irq()
 154          * means thread_irq() will not process whatever caused
 155          * the interrupts, however it does ensure that, once
 156          * thread_irq() re-enables interrupts, they won't fire
 157          * again immediately.
 158          */
 159         qman_irqsource_remove(~0);
 160         drain_4_bytes(fd_qman, &readset);
 161         qman_thread_irq();
 162
 163         return ret;
 164 }
 165
 166 static uint16_t
 167 dpaa_event_dequeue_burst(void *port, struct rte_event ev[],
 168                          uint16_t nb_events, uint64_t timeout_ticks)
 169 {
 170         int ret;
 171         u16 ch_id;
 172         void *buffers[8];
 173         u32 num_frames, i, irq = 0;
 174         uint64_t cur_ticks = 0, wait_time_ticks = 0;
 175         struct dpaa_port *portal = (struct dpaa_port *)port;
 176         struct rte_mbuf *mbuf;
 177
 178         if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
 179                 /* Affine current thread context to a qman portal */
 180                 ret = rte_dpaa_portal_init((void *)0);
 181                 if (ret) {
 182                         DPAA_EVENTDEV_ERR("Unable to initialize portal");
 183                         return ret;
 184                 }
 185         }
 186
 187         if (unlikely(!portal->is_port_linked)) {
 188                 /*
 189                  * Affine event queue for current thread context
 190                  * to a qman portal.
 191                  */
 192                 for (i = 0; i < portal->num_linked_evq; i++) {
 193                         ch_id = portal->evq_info[i].ch_id;
 194                         dpaa_eventq_portal_add(ch_id);
 195                 }
 196                 portal->is_port_linked = true;
 197         }
 198
 199         /* Check if there are atomic contexts to be released */
 200         i = 0;
 201         while (DPAA_PER_LCORE_DQRR_SIZE) {
 202                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
 203                         qman_dca_index(i, 0);
 204                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
 205                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
 206                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 207                         DPAA_PER_LCORE_DQRR_SIZE--;
 208                 }
 209                 i++;
 210         }
 211         DPAA_PER_LCORE_DQRR_HELD = 0;
 212
 213         if (timeout_ticks)
 214                 wait_time_ticks = timeout_ticks;
 215         else
 216                 wait_time_ticks = portal->timeout_us;
 217
 218         wait_time_ticks += rte_get_timer_cycles();
 219         do {
 220                 /* Lets dequeue the frames */
 221                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
 222                 if (irq)
 223                         irq = 0;
 224                 if (num_frames)
 225                         break;
 226                 cur_ticks = rte_get_timer_cycles();
 227         } while (cur_ticks < wait_time_ticks);
 228
 229         return num_frames;
 230 }
 231
 232 static uint16_t
 233 dpaa_event_dequeue(void *port, struct rte_event *ev, uint64_t timeout_ticks)
 234 {
 235         return dpaa_event_dequeue_burst(port, ev, 1, timeout_ticks);
 236 }
 237
 238 static uint16_t
 239 dpaa_event_dequeue_burst_intr(void *port, struct rte_event ev[],
 240                               uint16_t nb_events, uint64_t timeout_ticks)
 241 {
 242         int ret;
 243         u16 ch_id;
 244         void *buffers[8];
 245         u32 num_frames, i, irq = 0;
 246         uint64_t cur_ticks = 0, wait_time_ticks = 0;
 247         struct dpaa_port *portal = (struct dpaa_port *)port;
 248         struct rte_mbuf *mbuf;
 249
 250         if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
 251                 /* Affine current thread context to a qman portal */
 252                 ret = rte_dpaa_portal_init((void *)0);
 253                 if (ret) {
 254                         DPAA_EVENTDEV_ERR("Unable to initialize portal");
 255                         return ret;
 256                 }
 257         }
 258
 259         if (unlikely(!portal->is_port_linked)) {
 260                 /*
 261                  * Affine event queue for current thread context
 262                  * to a qman portal.
 263                  */
 264                 for (i = 0; i < portal->num_linked_evq; i++) {
 265                         ch_id = portal->evq_info[i].ch_id;
 266                         dpaa_eventq_portal_add(ch_id);
 267                 }
 268                 portal->is_port_linked = true;
 269         }
 270
 271         /* Check if there are atomic contexts to be released */
 272         i = 0;
 273         while (DPAA_PER_LCORE_DQRR_SIZE) {
 274                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
 275                         qman_dca_index(i, 0);
 276                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
 277                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
 278                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 279                         DPAA_PER_LCORE_DQRR_SIZE--;
 280                 }
 281                 i++;
 282         }
 283         DPAA_PER_LCORE_DQRR_HELD = 0;
 284
 285         if (timeout_ticks)
 286                 wait_time_ticks = timeout_ticks;
 287         else
 288                 wait_time_ticks = portal->timeout_us;
 289
 290         do {
 291                 /* Lets dequeue the frames */
 292                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
 293                 if (irq)
 294                         irq = 0;
 295                 if (num_frames)
 296                         break;
 297                 if (wait_time_ticks) { /* wait for time */
 298                         if (dpaa_event_dequeue_wait(wait_time_ticks) > 0) {
 299                                 irq = 1;
 300                                 continue;
 301                         }
 302                         break; /* no event after waiting */
 303                 }
 304                 cur_ticks = rte_get_timer_cycles();
 305         } while (cur_ticks < wait_time_ticks);
 306
 307         return num_frames;
 308 }
 309
 310 static uint16_t
 311 dpaa_event_dequeue_intr(void *port,
 312                         struct rte_event *ev,
 313                         uint64_t timeout_ticks)
 314 {
 315         return dpaa_event_dequeue_burst_intr(port, ev, 1, timeout_ticks);
 316 }
 317
 318 static void
 319 dpaa_event_dev_info_get(struct rte_eventdev *dev,
 320                         struct rte_event_dev_info *dev_info)
 321 {
 322         EVENTDEV_INIT_FUNC_TRACE();
 323
 324         RTE_SET_USED(dev);
 325         dev_info->driver_name = "event_dpaa";
 326         dev_info->min_dequeue_timeout_ns =
 327                 DPAA_EVENT_MIN_DEQUEUE_TIMEOUT;
 328         dev_info->max_dequeue_timeout_ns =
 329                 DPAA_EVENT_MAX_DEQUEUE_TIMEOUT;
 330         dev_info->dequeue_timeout_ns =
 331                 DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
 332         dev_info->max_event_queues =
 333                 DPAA_EVENT_MAX_QUEUES;
 334         dev_info->max_event_queue_flows =
 335                 DPAA_EVENT_MAX_QUEUE_FLOWS;
 336         dev_info->max_event_queue_priority_levels =
 337                 DPAA_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
 338         dev_info->max_event_priority_levels =
 339                 DPAA_EVENT_MAX_EVENT_PRIORITY_LEVELS;
 340         dev_info->max_event_ports =
 341                 DPAA_EVENT_MAX_EVENT_PORT;
 342         dev_info->max_event_port_dequeue_depth =
 343                 DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 344         dev_info->max_event_port_enqueue_depth =
 345                 DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 346         /*
 347          * TODO: Need to find out that how to fetch this info
 348          * from kernel or somewhere else.
 349          */
 350         dev_info->max_num_events =
 351                 DPAA_EVENT_MAX_NUM_EVENTS;
 352         dev_info->event_dev_cap =
 353                 RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 354                 RTE_EVENT_DEV_CAP_BURST_MODE |
 355                 RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 356                 RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 357 }
 358
 359 static int
 360 dpaa_event_dev_configure(const struct rte_eventdev *dev)
 361 {
 362         struct dpaa_eventdev *priv = dev->data->dev_private;
 363         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 364         int ret, i;
 365         uint32_t *ch_id;
 366
 367         EVENTDEV_INIT_FUNC_TRACE();
 368         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 369         priv->nb_events_limit = conf->nb_events_limit;
 370         priv->nb_event_queues = conf->nb_event_queues;
 371         priv->nb_event_ports = conf->nb_event_ports;
 372         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
 373         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
 374         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
 375         priv->event_dev_cfg = conf->event_dev_cfg;
 376
 377         ch_id = rte_malloc("dpaa-channels",
 378                           sizeof(uint32_t) * priv->nb_event_queues,
 379                           RTE_CACHE_LINE_SIZE);
 380         if (ch_id == NULL) {
 381                 DPAA_EVENTDEV_ERR("Fail to allocate memory for dpaa channels\n");
 382                 return -ENOMEM;
 383         }
 384         /* Create requested event queues within the given event device */
 385         ret = qman_alloc_pool_range(ch_id, priv->nb_event_queues, 1, 0);
 386         if (ret < 0) {
 387                 DPAA_EVENTDEV_ERR("qman_alloc_pool_range %u, err =%d\n",
 388                                  priv->nb_event_queues, ret);
 389                 rte_free(ch_id);
 390                 return ret;
 391         }
 392         for (i = 0; i < priv->nb_event_queues; i++)
 393                 priv->evq_info[i].ch_id = (u16)ch_id[i];
 394
 395         /* Lets prepare event ports */
 396         memset(&priv->ports[0], 0,
 397               sizeof(struct dpaa_port) * priv->nb_event_ports);
 398
 399         /* Check dequeue timeout method is per dequeue or global */
 400         if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 401                 /*
 402                  * Use timeout value as given in dequeue operation.
 403                  * So invalidating this timeout value.
 404                  */
 405                 priv->dequeue_timeout_ns = 0;
 406
 407         } else if (conf->dequeue_timeout_ns == 0) {
 408                 priv->dequeue_timeout_ns = DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
 409         } else {
 410                 priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 411         }
 412
 413         for (i = 0; i < priv->nb_event_ports; i++) {
 414                 if (priv->intr_mode) {
 415                         priv->ports[i].timeout_us =
 416                                 priv->dequeue_timeout_ns/1000;
 417                 } else {
 418                         uint64_t cycles_per_second;
 419
 420                         cycles_per_second = rte_get_timer_hz();
 421                         priv->ports[i].timeout_us =
 422                                 (priv->dequeue_timeout_ns * cycles_per_second)
 423                                         / NS_PER_S;
 424                 }
 425         }
 426
 427         /*
 428          * TODO: Currently portals are affined with threads. Maximum threads
 429          * can be created equals to number of lcore.
 430          */
 431         rte_free(ch_id);
 432         DPAA_EVENTDEV_INFO("Configured eventdev devid=%d", dev->data->dev_id);
 433
 434         return 0;
 435 }
 436
 437 static int
 438 dpaa_event_dev_start(struct rte_eventdev *dev)
 439 {
 440         EVENTDEV_INIT_FUNC_TRACE();
 441         RTE_SET_USED(dev);
 442
 443         return 0;
 444 }
 445
 446 static void
 447 dpaa_event_dev_stop(struct rte_eventdev *dev)
 448 {
 449         EVENTDEV_INIT_FUNC_TRACE();
 450         RTE_SET_USED(dev);
 451 }
 452
 453 static int
 454 dpaa_event_dev_close(struct rte_eventdev *dev)
 455 {
 456         EVENTDEV_INIT_FUNC_TRACE();
 457         RTE_SET_USED(dev);
 458
 459         return 0;
 460 }
 461
 462 static void
 463 dpaa_event_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 464                           struct rte_event_queue_conf *queue_conf)
 465 {
 466         EVENTDEV_INIT_FUNC_TRACE();
 467
 468         RTE_SET_USED(dev);
 469         RTE_SET_USED(queue_id);
 470
 471         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
 472         queue_conf->schedule_type = RTE_SCHED_TYPE_PARALLEL;
 473         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_HIGHEST;
 474 }
 475
 476 static int
 477 dpaa_event_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 478                        const struct rte_event_queue_conf *queue_conf)
 479 {
 480         struct dpaa_eventdev *priv = dev->data->dev_private;
 481         struct dpaa_eventq *evq_info = &priv->evq_info[queue_id];
 482
 483         EVENTDEV_INIT_FUNC_TRACE();
 484
 485         switch (queue_conf->schedule_type) {
 486         case RTE_SCHED_TYPE_PARALLEL:
 487         case RTE_SCHED_TYPE_ATOMIC:
 488                 break;
 489         case RTE_SCHED_TYPE_ORDERED:
 490                 DPAA_EVENTDEV_ERR("Schedule type is not supported.");
 491                 return -1;
 492         }
 493         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
 494         evq_info->event_queue_id = queue_id;
 495
 496         return 0;
 497 }
 498
 499 static void
 500 dpaa_event_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 501 {
 502         EVENTDEV_INIT_FUNC_TRACE();
 503
 504         RTE_SET_USED(dev);
 505         RTE_SET_USED(queue_id);
 506 }
 507
 508 static void
 509 dpaa_event_port_default_conf_get(struct rte_eventdev *dev, uint8_t port_id,
 510                                  struct rte_event_port_conf *port_conf)
 511 {
 512         EVENTDEV_INIT_FUNC_TRACE();
 513
 514         RTE_SET_USED(dev);
 515         RTE_SET_USED(port_id);
 516
 517         port_conf->new_event_threshold = DPAA_EVENT_MAX_NUM_EVENTS;
 518         port_conf->dequeue_depth = DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 519         port_conf->enqueue_depth = DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 520 }
 521
 522 static int
 523 dpaa_event_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 524                       const struct rte_event_port_conf *port_conf)
 525 {
 526         struct dpaa_eventdev *eventdev = dev->data->dev_private;
 527
 528         EVENTDEV_INIT_FUNC_TRACE();
 529
 530         RTE_SET_USED(port_conf);
 531         dev->data->ports[port_id] = &eventdev->ports[port_id];
 532
 533         return 0;
 534 }
 535
 536 static void
 537 dpaa_event_port_release(void *port)
 538 {
 539         EVENTDEV_INIT_FUNC_TRACE();
 540
 541         RTE_SET_USED(port);
 542 }
 543
 544 static int
 545 dpaa_event_port_link(struct rte_eventdev *dev, void *port,
 546                      const uint8_t queues[], const uint8_t priorities[],
 547                      uint16_t nb_links)
 548 {
 549         struct dpaa_eventdev *priv = dev->data->dev_private;
 550         struct dpaa_port *event_port = (struct dpaa_port *)port;
 551         struct dpaa_eventq *event_queue;
 552         uint8_t eventq_id;
 553         int i;
 554
 555         RTE_SET_USED(dev);
 556         RTE_SET_USED(priorities);
 557
 558         /* First check that input configuration are valid */
 559         for (i = 0; i < nb_links; i++) {
 560                 eventq_id = queues[i];
 561                 event_queue = &priv->evq_info[eventq_id];
 562                 if ((event_queue->event_queue_cfg
 563                         & RTE_EVENT_QUEUE_CFG_SINGLE_LINK)
 564                         && (event_queue->event_port)) {
 565                         return -EINVAL;
 566                 }
 567         }
 568
 569         for (i = 0; i < nb_links; i++) {
 570                 eventq_id = queues[i];
 571                 event_queue = &priv->evq_info[eventq_id];
 572                 event_port->evq_info[i].event_queue_id = eventq_id;
 573                 event_port->evq_info[i].ch_id = event_queue->ch_id;
 574                 event_queue->event_port = port;
 575         }
 576
 577         event_port->num_linked_evq = event_port->num_linked_evq + i;
 578
 579         return (int)i;
 580 }
 581
 582 static int
 583 dpaa_event_port_unlink(struct rte_eventdev *dev, void *port,
 584                        uint8_t queues[], uint16_t nb_links)
 585 {
 586         int i;
 587         uint8_t eventq_id;
 588         struct dpaa_eventq *event_queue;
 589         struct dpaa_eventdev *priv = dev->data->dev_private;
 590         struct dpaa_port *event_port = (struct dpaa_port *)port;
 591
 592         if (!event_port->num_linked_evq)
 593                 return nb_links;
 594
 595         for (i = 0; i < nb_links; i++) {
 596                 eventq_id = queues[i];
 597                 event_port->evq_info[eventq_id].event_queue_id = -1;
 598                 event_port->evq_info[eventq_id].ch_id = 0;
 599                 event_queue = &priv->evq_info[eventq_id];
 600                 event_queue->event_port = NULL;
 601         }
 602
 603         if (event_port->num_linked_evq)
 604                 event_port->num_linked_evq = event_port->num_linked_evq - i;
 605
 606         return (int)i;
 607 }
 608
 609 static int
 610 dpaa_event_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 611                                    const struct rte_eth_dev *eth_dev,
 612                                    uint32_t *caps)
 613 {
 614         const char *ethdev_driver = eth_dev->device->driver->name;
 615
 616         EVENTDEV_INIT_FUNC_TRACE();
 617
 618         RTE_SET_USED(dev);
 619
 620         if (!strcmp(ethdev_driver, "net_dpaa"))
 621                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA_CAP;
 622         else
 623                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 624
 625         return 0;
 626 }
 627
 628 static int
 629 dpaa_event_eth_rx_adapter_queue_add(
 630                 const struct rte_eventdev *dev,
 631                 const struct rte_eth_dev *eth_dev,
 632                 int32_t rx_queue_id,
 633                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 634 {
 635         struct dpaa_eventdev *eventdev = dev->data->dev_private;
 636         uint8_t ev_qid = queue_conf->ev.queue_id;
 637         u16 ch_id = eventdev->evq_info[ev_qid].ch_id;
 638         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
 639         int ret, i;
 640
 641         EVENTDEV_INIT_FUNC_TRACE();
 642
 643         if (rx_queue_id == -1) {
 644                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
 645                         ret = dpaa_eth_eventq_attach(eth_dev, i, ch_id,
 646                                                      queue_conf);
 647                         if (ret) {
 648                                 DPAA_EVENTDEV_ERR(
 649                                         "Event Queue attach failed:%d\n", ret);
 650                                 goto detach_configured_queues;
 651                         }
 652                 }
 653                 return 0;
 654         }
 655
 656         ret = dpaa_eth_eventq_attach(eth_dev, rx_queue_id, ch_id, queue_conf);
 657         if (ret)
 658                 DPAA_EVENTDEV_ERR("dpaa_eth_eventq_attach failed:%d\n", ret);
 659         return ret;
 660
 661 detach_configured_queues:
 662
 663         for (i = (i - 1); i >= 0 ; i--)
 664                 dpaa_eth_eventq_detach(eth_dev, i);
 665
 666         return ret;
 667 }
 668
 669 static int
 670 dpaa_event_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 671                                     const struct rte_eth_dev *eth_dev,
 672                                     int32_t rx_queue_id)
 673 {
 674         int ret, i;
 675         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
 676
 677         EVENTDEV_INIT_FUNC_TRACE();
 678
 679         RTE_SET_USED(dev);
 680         if (rx_queue_id == -1) {
 681                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
 682                         ret = dpaa_eth_eventq_detach(eth_dev, i);
 683                         if (ret)
 684                                 DPAA_EVENTDEV_ERR(
 685                                         "Event Queue detach failed:%d\n", ret);
 686                 }
 687
 688                 return 0;
 689         }
 690
 691         ret = dpaa_eth_eventq_detach(eth_dev, rx_queue_id);
 692         if (ret)
 693                 DPAA_EVENTDEV_ERR("dpaa_eth_eventq_detach failed:%d\n", ret);
 694         return ret;
 695 }
 696
 697 static int
 698 dpaa_event_eth_rx_adapter_start(const struct rte_eventdev *dev,
 699                                 const struct rte_eth_dev *eth_dev)
 700 {
 701         EVENTDEV_INIT_FUNC_TRACE();
 702
 703         RTE_SET_USED(dev);
 704         RTE_SET_USED(eth_dev);
 705
 706         return 0;
 707 }
 708
 709 static int
 710 dpaa_event_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 711                                const struct rte_eth_dev *eth_dev)
 712 {
 713         EVENTDEV_INIT_FUNC_TRACE();
 714
 715         RTE_SET_USED(dev);
 716         RTE_SET_USED(eth_dev);
 717
 718         return 0;
 719 }
 720
 721 static struct rte_eventdev_ops dpaa_eventdev_ops = {
 722         .dev_infos_get    = dpaa_event_dev_info_get,
 723         .dev_configure    = dpaa_event_dev_configure,
 724         .dev_start        = dpaa_event_dev_start,
 725         .dev_stop         = dpaa_event_dev_stop,
 726         .dev_close        = dpaa_event_dev_close,
 727         .queue_def_conf   = dpaa_event_queue_def_conf,
 728         .queue_setup      = dpaa_event_queue_setup,
 729         .queue_release    = dpaa_event_queue_release,
 730         .port_def_conf    = dpaa_event_port_default_conf_get,
 731         .port_setup       = dpaa_event_port_setup,
 732         .port_release       = dpaa_event_port_release,
 733         .port_link        = dpaa_event_port_link,
 734         .port_unlink      = dpaa_event_port_unlink,
 735         .timeout_ticks    = dpaa_event_dequeue_timeout_ticks,
 736         .eth_rx_adapter_caps_get = dpaa_event_eth_rx_adapter_caps_get,
 737         .eth_rx_adapter_queue_add = dpaa_event_eth_rx_adapter_queue_add,
 738         .eth_rx_adapter_queue_del = dpaa_event_eth_rx_adapter_queue_del,
 739         .eth_rx_adapter_start = dpaa_event_eth_rx_adapter_start,
 740         .eth_rx_adapter_stop = dpaa_event_eth_rx_adapter_stop,
 741 };
 742
 743 static int flag_check_handler(__rte_unused const char *key,
 744                 const char *value, __rte_unused void *opaque)
 745 {
 746         if (strcmp(value, "1"))
 747                 return -1;
 748
 749         return 0;
 750 }
 751
 752 static int
 753 dpaa_event_check_flags(const char *params)
 754 {
 755         struct rte_kvargs *kvlist;
 756
 757         if (params == NULL || params[0] == '\0')
 758                 return 0;
 759
 760         kvlist = rte_kvargs_parse(params, NULL);
 761         if (kvlist == NULL)
 762                 return 0;
 763
 764         if (!rte_kvargs_count(kvlist, DISABLE_INTR_MODE)) {
 765                 rte_kvargs_free(kvlist);
 766                 return 0;
 767         }
 768         /* INTR MODE is disabled when there's key-value pair: disable_intr = 1*/
 769         if (rte_kvargs_process(kvlist, DISABLE_INTR_MODE,
 770                                 flag_check_handler, NULL) < 0) {
 771                 rte_kvargs_free(kvlist);
 772                 return 0;
 773         }
 774         rte_kvargs_free(kvlist);
 775
 776         return 1;
 777 }
 778
 779 static int
 780 dpaa_event_dev_create(const char *name, const char *params)
 781 {
 782         struct rte_eventdev *eventdev;
 783         struct dpaa_eventdev *priv;
 784
 785         eventdev = rte_event_pmd_vdev_init(name,
 786                                            sizeof(struct dpaa_eventdev),
 787                                            rte_socket_id());
 788         if (eventdev == NULL) {
 789                 DPAA_EVENTDEV_ERR("Failed to create eventdev vdev %s", name);
 790                 goto fail;
 791         }
 792         priv = eventdev->data->dev_private;
 793
 794         eventdev->dev_ops       = &dpaa_eventdev_ops;
 795         eventdev->enqueue       = dpaa_event_enqueue;
 796         eventdev->enqueue_burst = dpaa_event_enqueue_burst;
 797
 798         if (dpaa_event_check_flags(params)) {
 799                 eventdev->dequeue       = dpaa_event_dequeue;
 800                 eventdev->dequeue_burst = dpaa_event_dequeue_burst;
 801         } else {
 802                 priv->intr_mode = 1;
 803                 eventdev->dev_ops->timeout_ticks =
 804                                 dpaa_event_dequeue_timeout_ticks_intr;
 805                 eventdev->dequeue       = dpaa_event_dequeue_intr;
 806                 eventdev->dequeue_burst = dpaa_event_dequeue_burst_intr;
 807         }
 808
 809         /* For secondary processes, the primary has done all the work */
 810         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 811                 return 0;
 812
 813         priv->max_event_queues = DPAA_EVENT_MAX_QUEUES;
 814
 815         return 0;
 816 fail:
 817         return -EFAULT;
 818 }
 819
 820 static int
 821 dpaa_event_dev_probe(struct rte_vdev_device *vdev)
 822 {
 823         const char *name;
 824         const char *params;
 825
 826         name = rte_vdev_device_name(vdev);
 827         DPAA_EVENTDEV_INFO("Initializing %s", name);
 828
 829         params = rte_vdev_device_args(vdev);
 830
 831         return dpaa_event_dev_create(name, params);
 832 }
 833
 834 static int
 835 dpaa_event_dev_remove(struct rte_vdev_device *vdev)
 836 {
 837         const char *name;
 838
 839         name = rte_vdev_device_name(vdev);
 840         DPAA_EVENTDEV_INFO("Closing %s", name);
 841
 842         return rte_event_pmd_vdev_uninit(name);
 843 }
 844
 845 static struct rte_vdev_driver vdev_eventdev_dpaa_pmd = {
 846         .probe = dpaa_event_dev_probe,
 847         .remove = dpaa_event_dev_remove
 848 };
 849
 850 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA_PMD, vdev_eventdev_dpaa_pmd);
 851 RTE_PMD_REGISTER_PARAM_STRING(EVENTDEV_NAME_DPAA_PMD,
 852                 DISABLE_INTR_MODE "=<int>");