drivers/event/dpaa/dpaa_eventdev.c

   1 /*   SPDX-License-Identifier:        BSD-3-Clause
   2  *   Copyright 2017-2019 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_event_eth_tx_adapter.h>
  31 #include <rte_cryptodev.h>
  32 #include <rte_dpaa_bus.h>
  33 #include <rte_dpaa_logs.h>
  34 #include <rte_cycles.h>
  35 #include <rte_kvargs.h>
  36
  37 #include <dpaa_ethdev.h>
  38 #include <dpaa_sec_event.h>
  39 #include "dpaa_eventdev.h"
  40 #include <dpaa_mempool.h>
  41
  42 /*
  43  * Clarifications
  44  * Evendev = Virtual Instance for SoC
  45  * Eventport = Portal Instance
  46  * Eventqueue = Channel Instance
  47  * 1 Eventdev can have N Eventqueue
  48  */
  49 RTE_LOG_REGISTER(dpaa_logtype_eventdev, pmd.event.dpaa, NOTICE);
  50
  51 #define DISABLE_INTR_MODE "disable_intr"
  52
  53 static int
  54 dpaa_event_dequeue_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
  55                                  uint64_t *timeout_ticks)
  56 {
  57         EVENTDEV_INIT_FUNC_TRACE();
  58
  59         RTE_SET_USED(dev);
  60
  61         uint64_t cycles_per_second;
  62
  63         cycles_per_second = rte_get_timer_hz();
  64         *timeout_ticks = (ns * cycles_per_second) / NS_PER_S;
  65
  66         return 0;
  67 }
  68
  69 static int
  70 dpaa_event_dequeue_timeout_ticks_intr(struct rte_eventdev *dev, uint64_t ns,
  71                                  uint64_t *timeout_ticks)
  72 {
  73         RTE_SET_USED(dev);
  74
  75         *timeout_ticks = ns/1000;
  76         return 0;
  77 }
  78
  79 static void
  80 dpaa_eventq_portal_add(u16 ch_id)
  81 {
  82         uint32_t sdqcr;
  83
  84         sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(ch_id);
  85         qman_static_dequeue_add(sdqcr, NULL);
  86 }
  87
  88 static uint16_t
  89 dpaa_event_enqueue_burst(void *port, const struct rte_event ev[],
  90                          uint16_t nb_events)
  91 {
  92         uint16_t i;
  93         struct rte_mbuf *mbuf;
  94
  95         RTE_SET_USED(port);
  96         /*Release all the contexts saved previously*/
  97         for (i = 0; i < nb_events; i++) {
  98                 switch (ev[i].op) {
  99                 case RTE_EVENT_OP_RELEASE:
 100                         qman_dca_index(ev[i].impl_opaque, 0);
 101                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
 102                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
 103                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 104                         DPAA_PER_LCORE_DQRR_SIZE--;
 105                         break;
 106                 default:
 107                         break;
 108                 }
 109         }
 110
 111         return nb_events;
 112 }
 113
 114 static uint16_t
 115 dpaa_event_enqueue(void *port, const struct rte_event *ev)
 116 {
 117         return dpaa_event_enqueue_burst(port, ev, 1);
 118 }
 119
 120 static void drain_4_bytes(int fd, fd_set *fdset)
 121 {
 122         if (FD_ISSET(fd, fdset)) {
 123                 /* drain 4 bytes */
 124                 uint32_t junk;
 125                 ssize_t sjunk = read(qman_thread_fd(), &junk, sizeof(junk));
 126                 if (sjunk != sizeof(junk))
 127                         DPAA_EVENTDEV_ERR("UIO irq read error");
 128         }
 129 }
 130
 131 static inline int
 132 dpaa_event_dequeue_wait(uint64_t timeout_ticks)
 133 {
 134         int fd_qman, nfds;
 135         int ret;
 136         fd_set readset;
 137
 138         /* Go into (and back out of) IRQ mode for each select,
 139          * it simplifies exit-path considerations and other
 140          * potential nastiness.
 141          */
 142         struct timeval tv = {
 143                 .tv_sec = timeout_ticks / 1000000,
 144                 .tv_usec = timeout_ticks % 1000000
 145         };
 146
 147         fd_qman = qman_thread_fd();
 148         nfds = fd_qman + 1;
 149         FD_ZERO(&readset);
 150         FD_SET(fd_qman, &readset);
 151
 152         qman_irqsource_add(QM_PIRQ_DQRI);
 153
 154         ret = select(nfds, &readset, NULL, NULL, &tv);
 155         if (ret < 0)
 156                 return ret;
 157         /* Calling irqsource_remove() prior to thread_irq()
 158          * means thread_irq() will not process whatever caused
 159          * the interrupts, however it does ensure that, once
 160          * thread_irq() re-enables interrupts, they won't fire
 161          * again immediately.
 162          */
 163         qman_irqsource_remove(~0);
 164         drain_4_bytes(fd_qman, &readset);
 165         qman_thread_irq();
 166
 167         return ret;
 168 }
 169
 170 static uint16_t
 171 dpaa_event_dequeue_burst(void *port, struct rte_event ev[],
 172                          uint16_t nb_events, uint64_t timeout_ticks)
 173 {
 174         int ret;
 175         u16 ch_id;
 176         void *buffers[8];
 177         u32 num_frames, i;
 178         uint64_t cur_ticks = 0, wait_time_ticks = 0;
 179         struct dpaa_port *portal = (struct dpaa_port *)port;
 180         struct rte_mbuf *mbuf;
 181
 182         if (unlikely(!DPAA_PER_LCORE_PORTAL)) {
 183                 /* Affine current thread context to a qman portal */
 184                 ret = rte_dpaa_portal_init((void *)0);
 185                 if (ret) {
 186                         DPAA_EVENTDEV_ERR("Unable to initialize portal");
 187                         return ret;
 188                 }
 189         }
 190
 191         if (unlikely(!portal->is_port_linked)) {
 192                 /*
 193                  * Affine event queue for current thread context
 194                  * to a qman portal.
 195                  */
 196                 for (i = 0; i < portal->num_linked_evq; i++) {
 197                         ch_id = portal->evq_info[i].ch_id;
 198                         dpaa_eventq_portal_add(ch_id);
 199                 }
 200                 portal->is_port_linked = true;
 201         }
 202
 203         /* Check if there are atomic contexts to be released */
 204         i = 0;
 205         while (DPAA_PER_LCORE_DQRR_SIZE) {
 206                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
 207                         qman_dca_index(i, 0);
 208                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
 209                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
 210                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 211                         DPAA_PER_LCORE_DQRR_SIZE--;
 212                 }
 213                 i++;
 214         }
 215         DPAA_PER_LCORE_DQRR_HELD = 0;
 216
 217         if (timeout_ticks)
 218                 wait_time_ticks = timeout_ticks;
 219         else
 220                 wait_time_ticks = portal->timeout_us;
 221
 222         wait_time_ticks += rte_get_timer_cycles();
 223         do {
 224                 /* Lets dequeue the frames */
 225                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
 226                 if (num_frames)
 227                         break;
 228                 cur_ticks = rte_get_timer_cycles();
 229         } while (cur_ticks < wait_time_ticks);
 230
 231         return num_frames;
 232 }
 233
 234 static uint16_t
 235 dpaa_event_dequeue(void *port, struct rte_event *ev, uint64_t timeout_ticks)
 236 {
 237         return dpaa_event_dequeue_burst(port, ev, 1, timeout_ticks);
 238 }
 239
 240 static uint16_t
 241 dpaa_event_dequeue_burst_intr(void *port, struct rte_event ev[],
 242                               uint16_t nb_events, uint64_t timeout_ticks)
 243 {
 244         int ret;
 245         u16 ch_id;
 246         void *buffers[8];
 247         u32 num_frames, i, irq = 0;
 248         uint64_t cur_ticks = 0, wait_time_ticks = 0;
 249         struct dpaa_port *portal = (struct dpaa_port *)port;
 250         struct rte_mbuf *mbuf;
 251
 252         if (unlikely(!DPAA_PER_LCORE_PORTAL)) {
 253                 /* Affine current thread context to a qman portal */
 254                 ret = rte_dpaa_portal_init((void *)0);
 255                 if (ret) {
 256                         DPAA_EVENTDEV_ERR("Unable to initialize portal");
 257                         return ret;
 258                 }
 259         }
 260
 261         if (unlikely(!portal->is_port_linked)) {
 262                 /*
 263                  * Affine event queue for current thread context
 264                  * to a qman portal.
 265                  */
 266                 for (i = 0; i < portal->num_linked_evq; i++) {
 267                         ch_id = portal->evq_info[i].ch_id;
 268                         dpaa_eventq_portal_add(ch_id);
 269                 }
 270                 portal->is_port_linked = true;
 271         }
 272
 273         /* Check if there are atomic contexts to be released */
 274         i = 0;
 275         while (DPAA_PER_LCORE_DQRR_SIZE) {
 276                 if (DPAA_PER_LCORE_DQRR_HELD & (1 << i)) {
 277                         qman_dca_index(i, 0);
 278                         mbuf = DPAA_PER_LCORE_DQRR_MBUF(i);
 279                         mbuf->seqn = DPAA_INVALID_MBUF_SEQN;
 280                         DPAA_PER_LCORE_DQRR_HELD &= ~(1 << i);
 281                         DPAA_PER_LCORE_DQRR_SIZE--;
 282                 }
 283                 i++;
 284         }
 285         DPAA_PER_LCORE_DQRR_HELD = 0;
 286
 287         if (timeout_ticks)
 288                 wait_time_ticks = timeout_ticks;
 289         else
 290                 wait_time_ticks = portal->timeout_us;
 291
 292         do {
 293                 /* Lets dequeue the frames */
 294                 num_frames = qman_portal_dequeue(ev, nb_events, buffers);
 295                 if (irq)
 296                         irq = 0;
 297                 if (num_frames)
 298                         break;
 299                 if (wait_time_ticks) { /* wait for time */
 300                         if (dpaa_event_dequeue_wait(wait_time_ticks) > 0) {
 301                                 irq = 1;
 302                                 continue;
 303                         }
 304                         break; /* no event after waiting */
 305                 }
 306                 cur_ticks = rte_get_timer_cycles();
 307         } while (cur_ticks < wait_time_ticks);
 308
 309         return num_frames;
 310 }
 311
 312 static uint16_t
 313 dpaa_event_dequeue_intr(void *port,
 314                         struct rte_event *ev,
 315                         uint64_t timeout_ticks)
 316 {
 317         return dpaa_event_dequeue_burst_intr(port, ev, 1, timeout_ticks);
 318 }
 319
 320 static void
 321 dpaa_event_dev_info_get(struct rte_eventdev *dev,
 322                         struct rte_event_dev_info *dev_info)
 323 {
 324         EVENTDEV_INIT_FUNC_TRACE();
 325
 326         RTE_SET_USED(dev);
 327         dev_info->driver_name = "event_dpaa1";
 328         dev_info->min_dequeue_timeout_ns =
 329                 DPAA_EVENT_MIN_DEQUEUE_TIMEOUT;
 330         dev_info->max_dequeue_timeout_ns =
 331                 DPAA_EVENT_MAX_DEQUEUE_TIMEOUT;
 332         dev_info->dequeue_timeout_ns =
 333                 DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
 334         dev_info->max_event_queues =
 335                 DPAA_EVENT_MAX_QUEUES;
 336         dev_info->max_event_queue_flows =
 337                 DPAA_EVENT_MAX_QUEUE_FLOWS;
 338         dev_info->max_event_queue_priority_levels =
 339                 DPAA_EVENT_MAX_QUEUE_PRIORITY_LEVELS;
 340         dev_info->max_event_priority_levels =
 341                 DPAA_EVENT_MAX_EVENT_PRIORITY_LEVELS;
 342         dev_info->max_event_ports =
 343                 DPAA_EVENT_MAX_EVENT_PORT;
 344         dev_info->max_event_port_dequeue_depth =
 345                 DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 346         dev_info->max_event_port_enqueue_depth =
 347                 DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 348         /*
 349          * TODO: Need to find out that how to fetch this info
 350          * from kernel or somewhere else.
 351          */
 352         dev_info->max_num_events =
 353                 DPAA_EVENT_MAX_NUM_EVENTS;
 354         dev_info->event_dev_cap =
 355                 RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 356                 RTE_EVENT_DEV_CAP_BURST_MODE |
 357                 RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 358                 RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 359 }
 360
 361 static int
 362 dpaa_event_dev_configure(const struct rte_eventdev *dev)
 363 {
 364         struct dpaa_eventdev *priv = dev->data->dev_private;
 365         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 366         int ret, i;
 367         uint32_t *ch_id;
 368
 369         EVENTDEV_INIT_FUNC_TRACE();
 370         priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 371         priv->nb_events_limit = conf->nb_events_limit;
 372         priv->nb_event_queues = conf->nb_event_queues;
 373         priv->nb_event_ports = conf->nb_event_ports;
 374         priv->nb_event_queue_flows = conf->nb_event_queue_flows;
 375         priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth;
 376         priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth;
 377         priv->event_dev_cfg = conf->event_dev_cfg;
 378
 379         ch_id = rte_malloc("dpaa-channels",
 380                           sizeof(uint32_t) * priv->nb_event_queues,
 381                           RTE_CACHE_LINE_SIZE);
 382         if (ch_id == NULL) {
 383                 DPAA_EVENTDEV_ERR("Fail to allocate memory for dpaa channels\n");
 384                 return -ENOMEM;
 385         }
 386         /* Create requested event queues within the given event device */
 387         ret = qman_alloc_pool_range(ch_id, priv->nb_event_queues, 1, 0);
 388         if (ret < 0) {
 389                 DPAA_EVENTDEV_ERR("qman_alloc_pool_range %u, err =%d\n",
 390                                  priv->nb_event_queues, ret);
 391                 rte_free(ch_id);
 392                 return ret;
 393         }
 394         for (i = 0; i < priv->nb_event_queues; i++)
 395                 priv->evq_info[i].ch_id = (u16)ch_id[i];
 396
 397         /* Lets prepare event ports */
 398         memset(&priv->ports[0], 0,
 399               sizeof(struct dpaa_port) * priv->nb_event_ports);
 400
 401         /* Check dequeue timeout method is per dequeue or global */
 402         if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 403                 /*
 404                  * Use timeout value as given in dequeue operation.
 405                  * So invalidating this timeout value.
 406                  */
 407                 priv->dequeue_timeout_ns = 0;
 408
 409         } else if (conf->dequeue_timeout_ns == 0) {
 410                 priv->dequeue_timeout_ns = DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS;
 411         } else {
 412                 priv->dequeue_timeout_ns = conf->dequeue_timeout_ns;
 413         }
 414
 415         for (i = 0; i < priv->nb_event_ports; i++) {
 416                 if (priv->intr_mode) {
 417                         priv->ports[i].timeout_us =
 418                                 priv->dequeue_timeout_ns/1000;
 419                 } else {
 420                         uint64_t cycles_per_second;
 421
 422                         cycles_per_second = rte_get_timer_hz();
 423                         priv->ports[i].timeout_us =
 424                                 (priv->dequeue_timeout_ns * cycles_per_second)
 425                                         / NS_PER_S;
 426                 }
 427         }
 428
 429         /*
 430          * TODO: Currently portals are affined with threads. Maximum threads
 431          * can be created equals to number of lcore.
 432          */
 433         rte_free(ch_id);
 434         DPAA_EVENTDEV_INFO("Configured eventdev devid=%d", dev->data->dev_id);
 435
 436         return 0;
 437 }
 438
 439 static int
 440 dpaa_event_dev_start(struct rte_eventdev *dev)
 441 {
 442         EVENTDEV_INIT_FUNC_TRACE();
 443         RTE_SET_USED(dev);
 444
 445         return 0;
 446 }
 447
 448 static void
 449 dpaa_event_dev_stop(struct rte_eventdev *dev)
 450 {
 451         EVENTDEV_INIT_FUNC_TRACE();
 452         RTE_SET_USED(dev);
 453 }
 454
 455 static int
 456 dpaa_event_dev_close(struct rte_eventdev *dev)
 457 {
 458         EVENTDEV_INIT_FUNC_TRACE();
 459         RTE_SET_USED(dev);
 460
 461         return 0;
 462 }
 463
 464 static void
 465 dpaa_event_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 466                           struct rte_event_queue_conf *queue_conf)
 467 {
 468         EVENTDEV_INIT_FUNC_TRACE();
 469
 470         RTE_SET_USED(dev);
 471         RTE_SET_USED(queue_id);
 472
 473         memset(queue_conf, 0, sizeof(struct rte_event_queue_conf));
 474         queue_conf->nb_atomic_flows = DPAA_EVENT_QUEUE_ATOMIC_FLOWS;
 475         queue_conf->schedule_type = RTE_SCHED_TYPE_PARALLEL;
 476         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_HIGHEST;
 477 }
 478
 479 static int
 480 dpaa_event_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 481                        const struct rte_event_queue_conf *queue_conf)
 482 {
 483         struct dpaa_eventdev *priv = dev->data->dev_private;
 484         struct dpaa_eventq *evq_info = &priv->evq_info[queue_id];
 485
 486         EVENTDEV_INIT_FUNC_TRACE();
 487
 488         switch (queue_conf->schedule_type) {
 489         case RTE_SCHED_TYPE_PARALLEL:
 490         case RTE_SCHED_TYPE_ATOMIC:
 491                 break;
 492         case RTE_SCHED_TYPE_ORDERED:
 493                 DPAA_EVENTDEV_ERR("Schedule type is not supported.");
 494                 return -1;
 495         }
 496         evq_info->event_queue_cfg = queue_conf->event_queue_cfg;
 497         evq_info->event_queue_id = queue_id;
 498
 499         return 0;
 500 }
 501
 502 static void
 503 dpaa_event_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 504 {
 505         EVENTDEV_INIT_FUNC_TRACE();
 506
 507         RTE_SET_USED(dev);
 508         RTE_SET_USED(queue_id);
 509 }
 510
 511 static void
 512 dpaa_event_port_default_conf_get(struct rte_eventdev *dev, uint8_t port_id,
 513                                  struct rte_event_port_conf *port_conf)
 514 {
 515         EVENTDEV_INIT_FUNC_TRACE();
 516
 517         RTE_SET_USED(dev);
 518         RTE_SET_USED(port_id);
 519
 520         port_conf->new_event_threshold = DPAA_EVENT_MAX_NUM_EVENTS;
 521         port_conf->dequeue_depth = DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH;
 522         port_conf->enqueue_depth = DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH;
 523 }
 524
 525 static int
 526 dpaa_event_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 527                       const struct rte_event_port_conf *port_conf)
 528 {
 529         struct dpaa_eventdev *eventdev = dev->data->dev_private;
 530
 531         EVENTDEV_INIT_FUNC_TRACE();
 532
 533         RTE_SET_USED(port_conf);
 534         dev->data->ports[port_id] = &eventdev->ports[port_id];
 535
 536         return 0;
 537 }
 538
 539 static void
 540 dpaa_event_port_release(void *port)
 541 {
 542         EVENTDEV_INIT_FUNC_TRACE();
 543
 544         RTE_SET_USED(port);
 545 }
 546
 547 static int
 548 dpaa_event_port_link(struct rte_eventdev *dev, void *port,
 549                      const uint8_t queues[], const uint8_t priorities[],
 550                      uint16_t nb_links)
 551 {
 552         struct dpaa_eventdev *priv = dev->data->dev_private;
 553         struct dpaa_port *event_port = (struct dpaa_port *)port;
 554         struct dpaa_eventq *event_queue;
 555         uint8_t eventq_id;
 556         int i;
 557
 558         RTE_SET_USED(dev);
 559         RTE_SET_USED(priorities);
 560
 561         /* First check that input configuration are valid */
 562         for (i = 0; i < nb_links; i++) {
 563                 eventq_id = queues[i];
 564                 event_queue = &priv->evq_info[eventq_id];
 565                 if ((event_queue->event_queue_cfg
 566                         & RTE_EVENT_QUEUE_CFG_SINGLE_LINK)
 567                         && (event_queue->event_port)) {
 568                         return -EINVAL;
 569                 }
 570         }
 571
 572         for (i = 0; i < nb_links; i++) {
 573                 eventq_id = queues[i];
 574                 event_queue = &priv->evq_info[eventq_id];
 575                 event_port->evq_info[i].event_queue_id = eventq_id;
 576                 event_port->evq_info[i].ch_id = event_queue->ch_id;
 577                 event_queue->event_port = port;
 578         }
 579
 580         event_port->num_linked_evq = event_port->num_linked_evq + i;
 581
 582         return (int)i;
 583 }
 584
 585 static int
 586 dpaa_event_port_unlink(struct rte_eventdev *dev, void *port,
 587                        uint8_t queues[], uint16_t nb_links)
 588 {
 589         int i;
 590         uint8_t eventq_id;
 591         struct dpaa_eventq *event_queue;
 592         struct dpaa_eventdev *priv = dev->data->dev_private;
 593         struct dpaa_port *event_port = (struct dpaa_port *)port;
 594
 595         if (!event_port->num_linked_evq)
 596                 return nb_links;
 597
 598         for (i = 0; i < nb_links; i++) {
 599                 eventq_id = queues[i];
 600                 event_port->evq_info[eventq_id].event_queue_id = -1;
 601                 event_port->evq_info[eventq_id].ch_id = 0;
 602                 event_queue = &priv->evq_info[eventq_id];
 603                 event_queue->event_port = NULL;
 604         }
 605
 606         if (event_port->num_linked_evq)
 607                 event_port->num_linked_evq = event_port->num_linked_evq - i;
 608
 609         return (int)i;
 610 }
 611
 612 static int
 613 dpaa_event_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 614                                    const struct rte_eth_dev *eth_dev,
 615                                    uint32_t *caps)
 616 {
 617         const char *ethdev_driver = eth_dev->device->driver->name;
 618
 619         EVENTDEV_INIT_FUNC_TRACE();
 620
 621         RTE_SET_USED(dev);
 622
 623         if (!strcmp(ethdev_driver, "net_dpaa"))
 624                 *caps = RTE_EVENT_ETH_RX_ADAPTER_DPAA_CAP;
 625         else
 626                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 627
 628         return 0;
 629 }
 630
 631 static int
 632 dpaa_event_eth_rx_adapter_queue_add(
 633                 const struct rte_eventdev *dev,
 634                 const struct rte_eth_dev *eth_dev,
 635                 int32_t rx_queue_id,
 636                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 637 {
 638         struct dpaa_eventdev *eventdev = dev->data->dev_private;
 639         uint8_t ev_qid = queue_conf->ev.queue_id;
 640         u16 ch_id = eventdev->evq_info[ev_qid].ch_id;
 641         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
 642         int ret, i;
 643
 644         EVENTDEV_INIT_FUNC_TRACE();
 645
 646         if (rx_queue_id == -1) {
 647                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
 648                         ret = dpaa_eth_eventq_attach(eth_dev, i, ch_id,
 649                                                      queue_conf);
 650                         if (ret) {
 651                                 DPAA_EVENTDEV_ERR(
 652                                         "Event Queue attach failed:%d\n", ret);
 653                                 goto detach_configured_queues;
 654                         }
 655                 }
 656                 return 0;
 657         }
 658
 659         ret = dpaa_eth_eventq_attach(eth_dev, rx_queue_id, ch_id, queue_conf);
 660         if (ret)
 661                 DPAA_EVENTDEV_ERR("dpaa_eth_eventq_attach failed:%d\n", ret);
 662         return ret;
 663
 664 detach_configured_queues:
 665
 666         for (i = (i - 1); i >= 0 ; i--)
 667                 dpaa_eth_eventq_detach(eth_dev, i);
 668
 669         return ret;
 670 }
 671
 672 static int
 673 dpaa_event_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 674                                     const struct rte_eth_dev *eth_dev,
 675                                     int32_t rx_queue_id)
 676 {
 677         int ret, i;
 678         struct dpaa_if *dpaa_intf = eth_dev->data->dev_private;
 679
 680         EVENTDEV_INIT_FUNC_TRACE();
 681
 682         RTE_SET_USED(dev);
 683         if (rx_queue_id == -1) {
 684                 for (i = 0; i < dpaa_intf->nb_rx_queues; i++) {
 685                         ret = dpaa_eth_eventq_detach(eth_dev, i);
 686                         if (ret)
 687                                 DPAA_EVENTDEV_ERR(
 688                                         "Event Queue detach failed:%d\n", ret);
 689                 }
 690
 691                 return 0;
 692         }
 693
 694         ret = dpaa_eth_eventq_detach(eth_dev, rx_queue_id);
 695         if (ret)
 696                 DPAA_EVENTDEV_ERR("dpaa_eth_eventq_detach failed:%d\n", ret);
 697         return ret;
 698 }
 699
 700 static int
 701 dpaa_event_eth_rx_adapter_start(const struct rte_eventdev *dev,
 702                                 const struct rte_eth_dev *eth_dev)
 703 {
 704         EVENTDEV_INIT_FUNC_TRACE();
 705
 706         RTE_SET_USED(dev);
 707         RTE_SET_USED(eth_dev);
 708
 709         return 0;
 710 }
 711
 712 static int
 713 dpaa_event_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 714                                const struct rte_eth_dev *eth_dev)
 715 {
 716         EVENTDEV_INIT_FUNC_TRACE();
 717
 718         RTE_SET_USED(dev);
 719         RTE_SET_USED(eth_dev);
 720
 721         return 0;
 722 }
 723
 724 static int
 725 dpaa_eventdev_crypto_caps_get(const struct rte_eventdev *dev,
 726                             const struct rte_cryptodev *cdev,
 727                             uint32_t *caps)
 728 {
 729         const char *name = cdev->data->name;
 730
 731         EVENTDEV_INIT_FUNC_TRACE();
 732
 733         RTE_SET_USED(dev);
 734
 735         if (!strncmp(name, "dpaa_sec-", 9))
 736                 *caps = RTE_EVENT_CRYPTO_ADAPTER_DPAA_CAP;
 737         else
 738                 return -1;
 739
 740         return 0;
 741 }
 742
 743 static int
 744 dpaa_eventdev_crypto_queue_add_all(const struct rte_eventdev *dev,
 745                 const struct rte_cryptodev *cryptodev,
 746                 const struct rte_event *ev)
 747 {
 748         struct dpaa_eventdev *priv = dev->data->dev_private;
 749         uint8_t ev_qid = ev->queue_id;
 750         u16 ch_id = priv->evq_info[ev_qid].ch_id;
 751         int i, ret;
 752
 753         EVENTDEV_INIT_FUNC_TRACE();
 754
 755         for (i = 0; i < cryptodev->data->nb_queue_pairs; i++) {
 756                 ret = dpaa_sec_eventq_attach(cryptodev, i,
 757                                 ch_id, ev);
 758                 if (ret) {
 759                         DPAA_EVENTDEV_ERR("dpaa_sec_eventq_attach failed: ret %d\n",
 760                                     ret);
 761                         goto fail;
 762                 }
 763         }
 764         return 0;
 765 fail:
 766         for (i = (i - 1); i >= 0 ; i--)
 767                 dpaa_sec_eventq_detach(cryptodev, i);
 768
 769         return ret;
 770 }
 771
 772 static int
 773 dpaa_eventdev_crypto_queue_add(const struct rte_eventdev *dev,
 774                 const struct rte_cryptodev *cryptodev,
 775                 int32_t rx_queue_id,
 776                 const struct rte_event *ev)
 777 {
 778         struct dpaa_eventdev *priv = dev->data->dev_private;
 779         uint8_t ev_qid = ev->queue_id;
 780         u16 ch_id = priv->evq_info[ev_qid].ch_id;
 781         int ret;
 782
 783         EVENTDEV_INIT_FUNC_TRACE();
 784
 785         if (rx_queue_id == -1)
 786                 return dpaa_eventdev_crypto_queue_add_all(dev,
 787                                 cryptodev, ev);
 788
 789         ret = dpaa_sec_eventq_attach(cryptodev, rx_queue_id,
 790                         ch_id, ev);
 791         if (ret) {
 792                 DPAA_EVENTDEV_ERR(
 793                         "dpaa_sec_eventq_attach failed: ret: %d\n", ret);
 794                 return ret;
 795         }
 796         return 0;
 797 }
 798
 799 static int
 800 dpaa_eventdev_crypto_queue_del_all(const struct rte_eventdev *dev,
 801                              const struct rte_cryptodev *cdev)
 802 {
 803         int i, ret;
 804
 805         EVENTDEV_INIT_FUNC_TRACE();
 806
 807         RTE_SET_USED(dev);
 808
 809         for (i = 0; i < cdev->data->nb_queue_pairs; i++) {
 810                 ret = dpaa_sec_eventq_detach(cdev, i);
 811                 if (ret) {
 812                         DPAA_EVENTDEV_ERR(
 813                                 "dpaa_sec_eventq_detach failed:ret %d\n", ret);
 814                         return ret;
 815                 }
 816         }
 817
 818         return 0;
 819 }
 820
 821 static int
 822 dpaa_eventdev_crypto_queue_del(const struct rte_eventdev *dev,
 823                              const struct rte_cryptodev *cryptodev,
 824                              int32_t rx_queue_id)
 825 {
 826         int ret;
 827
 828         EVENTDEV_INIT_FUNC_TRACE();
 829
 830         if (rx_queue_id == -1)
 831                 return dpaa_eventdev_crypto_queue_del_all(dev, cryptodev);
 832
 833         ret = dpaa_sec_eventq_detach(cryptodev, rx_queue_id);
 834         if (ret) {
 835                 DPAA_EVENTDEV_ERR(
 836                         "dpaa_sec_eventq_detach failed: ret: %d\n", ret);
 837                 return ret;
 838         }
 839
 840         return 0;
 841 }
 842
 843 static int
 844 dpaa_eventdev_crypto_start(const struct rte_eventdev *dev,
 845                            const struct rte_cryptodev *cryptodev)
 846 {
 847         EVENTDEV_INIT_FUNC_TRACE();
 848
 849         RTE_SET_USED(dev);
 850         RTE_SET_USED(cryptodev);
 851
 852         return 0;
 853 }
 854
 855 static int
 856 dpaa_eventdev_crypto_stop(const struct rte_eventdev *dev,
 857                           const struct rte_cryptodev *cryptodev)
 858 {
 859         EVENTDEV_INIT_FUNC_TRACE();
 860
 861         RTE_SET_USED(dev);
 862         RTE_SET_USED(cryptodev);
 863
 864         return 0;
 865 }
 866
 867 static int
 868 dpaa_eventdev_tx_adapter_create(uint8_t id,
 869                                  const struct rte_eventdev *dev)
 870 {
 871         RTE_SET_USED(id);
 872         RTE_SET_USED(dev);
 873
 874         /* Nothing to do. Simply return. */
 875         return 0;
 876 }
 877
 878 static int
 879 dpaa_eventdev_tx_adapter_caps(const struct rte_eventdev *dev,
 880                                const struct rte_eth_dev *eth_dev,
 881                                uint32_t *caps)
 882 {
 883         RTE_SET_USED(dev);
 884         RTE_SET_USED(eth_dev);
 885
 886         *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
 887         return 0;
 888 }
 889
 890 static uint16_t
 891 dpaa_eventdev_txa_enqueue_same_dest(void *port,
 892                                      struct rte_event ev[],
 893                                      uint16_t nb_events)
 894 {
 895         struct rte_mbuf *m[DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH], *m0;
 896         uint8_t qid, i;
 897
 898         RTE_SET_USED(port);
 899
 900         m0 = (struct rte_mbuf *)ev[0].mbuf;
 901         qid = rte_event_eth_tx_adapter_txq_get(m0);
 902
 903         for (i = 0; i < nb_events; i++)
 904                 m[i] = (struct rte_mbuf *)ev[i].mbuf;
 905
 906         return rte_eth_tx_burst(m0->port, qid, m, nb_events);
 907 }
 908
 909 static uint16_t
 910 dpaa_eventdev_txa_enqueue(void *port,
 911                            struct rte_event ev[],
 912                            uint16_t nb_events)
 913 {
 914         struct rte_mbuf *m = (struct rte_mbuf *)ev[0].mbuf;
 915         uint8_t qid, i;
 916
 917         RTE_SET_USED(port);
 918
 919         for (i = 0; i < nb_events; i++) {
 920                 qid = rte_event_eth_tx_adapter_txq_get(m);
 921                 rte_eth_tx_burst(m->port, qid, &m, 1);
 922         }
 923
 924         return nb_events;
 925 }
 926
 927 static struct rte_eventdev_ops dpaa_eventdev_ops = {
 928         .dev_infos_get    = dpaa_event_dev_info_get,
 929         .dev_configure    = dpaa_event_dev_configure,
 930         .dev_start        = dpaa_event_dev_start,
 931         .dev_stop         = dpaa_event_dev_stop,
 932         .dev_close        = dpaa_event_dev_close,
 933         .queue_def_conf   = dpaa_event_queue_def_conf,
 934         .queue_setup      = dpaa_event_queue_setup,
 935         .queue_release    = dpaa_event_queue_release,
 936         .port_def_conf    = dpaa_event_port_default_conf_get,
 937         .port_setup       = dpaa_event_port_setup,
 938         .port_release       = dpaa_event_port_release,
 939         .port_link        = dpaa_event_port_link,
 940         .port_unlink      = dpaa_event_port_unlink,
 941         .timeout_ticks    = dpaa_event_dequeue_timeout_ticks,
 942         .eth_rx_adapter_caps_get        = dpaa_event_eth_rx_adapter_caps_get,
 943         .eth_rx_adapter_queue_add       = dpaa_event_eth_rx_adapter_queue_add,
 944         .eth_rx_adapter_queue_del       = dpaa_event_eth_rx_adapter_queue_del,
 945         .eth_rx_adapter_start           = dpaa_event_eth_rx_adapter_start,
 946         .eth_rx_adapter_stop            = dpaa_event_eth_rx_adapter_stop,
 947         .eth_tx_adapter_caps_get        = dpaa_eventdev_tx_adapter_caps,
 948         .eth_tx_adapter_create          = dpaa_eventdev_tx_adapter_create,
 949         .crypto_adapter_caps_get        = dpaa_eventdev_crypto_caps_get,
 950         .crypto_adapter_queue_pair_add  = dpaa_eventdev_crypto_queue_add,
 951         .crypto_adapter_queue_pair_del  = dpaa_eventdev_crypto_queue_del,
 952         .crypto_adapter_start           = dpaa_eventdev_crypto_start,
 953         .crypto_adapter_stop            = dpaa_eventdev_crypto_stop,
 954 };
 955
 956 static int flag_check_handler(__rte_unused const char *key,
 957                 const char *value, __rte_unused void *opaque)
 958 {
 959         if (strcmp(value, "1"))
 960                 return -1;
 961
 962         return 0;
 963 }
 964
 965 static int
 966 dpaa_event_check_flags(const char *params)
 967 {
 968         struct rte_kvargs *kvlist;
 969
 970         if (params == NULL || params[0] == '\0')
 971                 return 0;
 972
 973         kvlist = rte_kvargs_parse(params, NULL);
 974         if (kvlist == NULL)
 975                 return 0;
 976
 977         if (!rte_kvargs_count(kvlist, DISABLE_INTR_MODE)) {
 978                 rte_kvargs_free(kvlist);
 979                 return 0;
 980         }
 981         /* INTR MODE is disabled when there's key-value pair: disable_intr = 1*/
 982         if (rte_kvargs_process(kvlist, DISABLE_INTR_MODE,
 983                                 flag_check_handler, NULL) < 0) {
 984                 rte_kvargs_free(kvlist);
 985                 return 0;
 986         }
 987         rte_kvargs_free(kvlist);
 988
 989         return 1;
 990 }
 991
 992 static int
 993 dpaa_event_dev_create(const char *name, const char *params)
 994 {
 995         struct rte_eventdev *eventdev;
 996         struct dpaa_eventdev *priv;
 997
 998         eventdev = rte_event_pmd_vdev_init(name,
 999                                            sizeof(struct dpaa_eventdev),
1000                                            rte_socket_id());
1001         if (eventdev == NULL) {
1002                 DPAA_EVENTDEV_ERR("Failed to create eventdev vdev %s", name);
1003                 goto fail;
1004         }
1005         priv = eventdev->data->dev_private;
1006
1007         eventdev->dev_ops       = &dpaa_eventdev_ops;
1008         eventdev->enqueue       = dpaa_event_enqueue;
1009         eventdev->enqueue_burst = dpaa_event_enqueue_burst;
1010
1011         if (dpaa_event_check_flags(params)) {
1012                 eventdev->dequeue       = dpaa_event_dequeue;
1013                 eventdev->dequeue_burst = dpaa_event_dequeue_burst;
1014         } else {
1015                 priv->intr_mode = 1;
1016                 eventdev->dev_ops->timeout_ticks =
1017                                 dpaa_event_dequeue_timeout_ticks_intr;
1018                 eventdev->dequeue       = dpaa_event_dequeue_intr;
1019                 eventdev->dequeue_burst = dpaa_event_dequeue_burst_intr;
1020         }
1021         eventdev->txa_enqueue = dpaa_eventdev_txa_enqueue;
1022         eventdev->txa_enqueue_same_dest = dpaa_eventdev_txa_enqueue_same_dest;
1023
1024         RTE_LOG(INFO, PMD, "%s eventdev added", name);
1025
1026         /* For secondary processes, the primary has done all the work */
1027         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1028                 return 0;
1029
1030         priv->max_event_queues = DPAA_EVENT_MAX_QUEUES;
1031
1032         return 0;
1033 fail:
1034         return -EFAULT;
1035 }
1036
1037 static int
1038 dpaa_event_dev_probe(struct rte_vdev_device *vdev)
1039 {
1040         const char *name;
1041         const char *params;
1042
1043         name = rte_vdev_device_name(vdev);
1044         DPAA_EVENTDEV_INFO("Initializing %s", name);
1045
1046         params = rte_vdev_device_args(vdev);
1047
1048         return dpaa_event_dev_create(name, params);
1049 }
1050
1051 static int
1052 dpaa_event_dev_remove(struct rte_vdev_device *vdev)
1053 {
1054         const char *name;
1055
1056         name = rte_vdev_device_name(vdev);
1057         DPAA_EVENTDEV_INFO("Closing %s", name);
1058
1059         return rte_event_pmd_vdev_uninit(name);
1060 }
1061
1062 static struct rte_vdev_driver vdev_eventdev_dpaa_pmd = {
1063         .probe = dpaa_event_dev_probe,
1064         .remove = dpaa_event_dev_remove
1065 };
1066
1067 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA_PMD, vdev_eventdev_dpaa_pmd);
1068 RTE_PMD_REGISTER_PARAM_STRING(EVENTDEV_NAME_DPAA_PMD,
1069                 DISABLE_INTR_MODE "=<int>");