drivers/event/octeontx/ssovf_evdev.c

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (C) Cavium networks Ltd. 2017.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Cavium networks nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <inttypes.h>
  34
  35 #include <rte_common.h>
  36 #include <rte_debug.h>
  37 #include <rte_dev.h>
  38 #include <rte_eal.h>
  39 #include <rte_lcore.h>
  40 #include <rte_log.h>
  41 #include <rte_malloc.h>
  42 #include <rte_memory.h>
  43 #include <rte_memzone.h>
  44 #include <rte_vdev.h>
  45
  46 #include "ssovf_evdev.h"
  47
  48 /* SSOPF Mailbox messages */
  49
  50 struct ssovf_mbox_dev_info {
  51         uint64_t min_deq_timeout_ns;
  52         uint64_t max_deq_timeout_ns;
  53         uint32_t max_num_events;
  54 };
  55
  56 static int
  57 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
  58 {
  59         struct octeontx_mbox_hdr hdr = {0};
  60         uint16_t len = sizeof(struct ssovf_mbox_dev_info);
  61
  62         hdr.coproc = SSO_COPROC;
  63         hdr.msg = SSO_GET_DEV_INFO;
  64         hdr.vfid = 0;
  65
  66         memset(info, 0, len);
  67         return octeontx_ssovf_mbox_send(&hdr, NULL, 0, info, len);
  68 }
  69
  70 struct ssovf_mbox_getwork_wait {
  71         uint64_t wait_ns;
  72 };
  73
  74 static int
  75 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
  76 {
  77         struct octeontx_mbox_hdr hdr = {0};
  78         struct ssovf_mbox_getwork_wait tmo_set;
  79         uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
  80         int ret;
  81
  82         hdr.coproc = SSO_COPROC;
  83         hdr.msg = SSO_SET_GETWORK_WAIT;
  84         hdr.vfid = 0;
  85
  86         tmo_set.wait_ns = timeout_ns;
  87         ret = octeontx_ssovf_mbox_send(&hdr, &tmo_set, len, NULL, 0);
  88         if (ret)
  89                 ssovf_log_err("Failed to set getwork timeout(%d)", ret);
  90
  91         return ret;
  92 }
  93
  94 struct ssovf_mbox_grp_pri {
  95         uint8_t wgt_left; /* Read only */
  96         uint8_t weight;
  97         uint8_t affinity;
  98         uint8_t priority;
  99 };
 100
 101 static int
 102 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
 103 {
 104         struct octeontx_mbox_hdr hdr = {0};
 105         struct ssovf_mbox_grp_pri grp;
 106         uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
 107         int ret;
 108
 109         hdr.coproc = SSO_COPROC;
 110         hdr.msg = SSO_GRP_SET_PRIORITY;
 111         hdr.vfid = queue;
 112
 113         grp.weight = 0xff;
 114         grp.affinity = 0xff;
 115         grp.priority = prio / 32; /* Normalize to 0 to 7 */
 116
 117         ret = octeontx_ssovf_mbox_send(&hdr, &grp, len, NULL, 0);
 118         if (ret)
 119                 ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
 120
 121         return ret;
 122 }
 123
 124 struct ssovf_mbox_convert_ns_getworks_iter {
 125         uint64_t wait_ns;
 126         uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
 127 };
 128
 129 static int
 130 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
 131 {
 132         struct octeontx_mbox_hdr hdr = {0};
 133         struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
 134         uint16_t len = sizeof(ns2iter);
 135         int ret;
 136
 137         hdr.coproc = SSO_COPROC;
 138         hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
 139         hdr.vfid = 0;
 140
 141         memset(&ns2iter, 0, len);
 142         ns2iter.wait_ns = ns;
 143         ret = octeontx_ssovf_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
 144         if (ret < 0 || (ret != len)) {
 145                 ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
 146                 return -EIO;
 147         }
 148
 149         *tmo_ticks = ns2iter.getwork_iter;
 150         return 0;
 151 }
 152
 153 static void
 154 ssovf_fastpath_fns_set(struct rte_eventdev *dev)
 155 {
 156         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 157
 158         dev->schedule      = NULL;
 159         dev->enqueue       = ssows_enq;
 160         dev->enqueue_burst = ssows_enq_burst;
 161         dev->enqueue_new_burst = ssows_enq_burst;
 162         dev->dequeue       = ssows_deq;
 163         dev->dequeue_burst = ssows_deq_burst;
 164
 165         if (edev->is_timeout_deq) {
 166                 dev->dequeue       = ssows_deq_timeout;
 167                 dev->dequeue_burst = ssows_deq_timeout_burst;
 168         }
 169 }
 170
 171 static void
 172 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 173 {
 174         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 175
 176         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 177         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 178         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 179         dev_info->max_event_queues = edev->max_event_queues;
 180         dev_info->max_event_queue_flows = (1ULL << 20);
 181         dev_info->max_event_queue_priority_levels = 8;
 182         dev_info->max_event_priority_levels = 1;
 183         dev_info->max_event_ports = edev->max_event_ports;
 184         dev_info->max_event_port_dequeue_depth = 1;
 185         dev_info->max_event_port_enqueue_depth = 1;
 186         dev_info->max_num_events =  edev->max_num_events;
 187         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 188                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 189                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES;
 190 }
 191
 192 static int
 193 ssovf_configure(const struct rte_eventdev *dev)
 194 {
 195         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 196         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 197         uint64_t deq_tmo_ns;
 198
 199         ssovf_func_trace();
 200         deq_tmo_ns = conf->dequeue_timeout_ns;
 201         if (deq_tmo_ns == 0)
 202                 deq_tmo_ns = edev->min_deq_timeout_ns;
 203
 204         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 205                 edev->is_timeout_deq = 1;
 206                 deq_tmo_ns = edev->min_deq_timeout_ns;
 207         }
 208         edev->nb_event_queues = conf->nb_event_queues;
 209         edev->nb_event_ports = conf->nb_event_ports;
 210
 211         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 212 }
 213
 214 static void
 215 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 216                                  struct rte_event_queue_conf *queue_conf)
 217 {
 218         RTE_SET_USED(dev);
 219         RTE_SET_USED(queue_id);
 220
 221         queue_conf->nb_atomic_flows = (1ULL << 20);
 222         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 223         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 224         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 225 }
 226
 227 static void
 228 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 229 {
 230         RTE_SET_USED(dev);
 231         RTE_SET_USED(queue_id);
 232 }
 233
 234 static int
 235 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 236                               const struct rte_event_queue_conf *queue_conf)
 237 {
 238         RTE_SET_USED(dev);
 239         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 240
 241         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 242 }
 243
 244 static void
 245 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 246                                  struct rte_event_port_conf *port_conf)
 247 {
 248         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 249
 250         RTE_SET_USED(port_id);
 251         port_conf->new_event_threshold = edev->max_num_events;
 252         port_conf->dequeue_depth = 1;
 253         port_conf->enqueue_depth = 1;
 254 }
 255
 256 static void
 257 ssovf_port_release(void *port)
 258 {
 259         rte_free(port);
 260 }
 261
 262 static int
 263 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 264                                 const struct rte_event_port_conf *port_conf)
 265 {
 266         struct ssows *ws;
 267         uint32_t reg_off;
 268         uint8_t q;
 269         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 270
 271         ssovf_func_trace("port=%d", port_id);
 272         RTE_SET_USED(port_conf);
 273
 274         /* Free memory prior to re-allocation if needed */
 275         if (dev->data->ports[port_id] != NULL) {
 276                 ssovf_port_release(dev->data->ports[port_id]);
 277                 dev->data->ports[port_id] = NULL;
 278         }
 279
 280         /* Allocate event port memory */
 281         ws = rte_zmalloc_socket("eventdev ssows",
 282                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 283                         dev->data->socket_id);
 284         if (ws == NULL) {
 285                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 286                 return -ENOMEM;
 287         }
 288
 289         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 290         if (ws->base == NULL) {
 291                 rte_free(ws);
 292                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 293                 return -EINVAL;
 294         }
 295
 296         reg_off = SSOW_VHWS_OP_GET_WORK0;
 297         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 298         reg_off |= 1 << 16; /* Wait */
 299         ws->getwork = ws->base + reg_off;
 300         ws->port = port_id;
 301
 302         for (q = 0; q < edev->nb_event_queues; q++) {
 303                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 304                 if (ws->grps[q] == NULL) {
 305                         rte_free(ws);
 306                         ssovf_log_err("Failed to get grp%d base addr", q);
 307                         return -EINVAL;
 308                 }
 309         }
 310
 311         dev->data->ports[port_id] = ws;
 312         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 313         return 0;
 314 }
 315
 316 static int
 317 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 318                 const uint8_t priorities[], uint16_t nb_links)
 319 {
 320         uint16_t link;
 321         uint64_t val;
 322         struct ssows *ws = port;
 323
 324         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 325         RTE_SET_USED(dev);
 326         RTE_SET_USED(priorities);
 327
 328         for (link = 0; link < nb_links; link++) {
 329                 val = queues[link];
 330                 val |= (1ULL << 24); /* Set membership */
 331                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 332         }
 333         return (int)nb_links;
 334 }
 335
 336 static int
 337 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 338                         uint16_t nb_unlinks)
 339 {
 340         uint16_t unlink;
 341         uint64_t val;
 342         struct ssows *ws = port;
 343
 344         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 345         RTE_SET_USED(dev);
 346
 347         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 348                 val = queues[unlink];
 349                 val &= ~(1ULL << 24); /* Clear membership */
 350                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 351         }
 352         return (int)nb_unlinks;
 353 }
 354
 355 static int
 356 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 357 {
 358         RTE_SET_USED(dev);
 359
 360         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 361 }
 362
 363 static void
 364 ssows_dump(struct ssows *ws, FILE *f)
 365 {
 366         uint8_t *base = ws->base;
 367         uint64_t val;
 368
 369         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 370         val = ssovf_read64(base + SSOW_VHWS_TAG);
 371         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 372                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 373                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 374                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 375                 (int)(val >> 63) & 0x1);
 376
 377         val = ssovf_read64(base + SSOW_VHWS_WQP);
 378         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 379
 380         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 381         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 382                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 383                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 384                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 385
 386         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 387         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 388                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 389                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 390                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 391                 (int)(val >> 63) & 0x1);
 392
 393         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 394         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 395 }
 396
 397 static void
 398 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 399 {
 400         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 401         uint8_t port;
 402
 403         /* Dump SSOWVF debug registers */
 404         for (port = 0; port < edev->nb_event_ports; port++)
 405                 ssows_dump(dev->data->ports[port], f);
 406 }
 407
 408 static int
 409 ssovf_start(struct rte_eventdev *dev)
 410 {
 411         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 412         struct ssows *ws;
 413         uint8_t *base;
 414         uint8_t i;
 415
 416         ssovf_func_trace();
 417         for (i = 0; i < edev->nb_event_ports; i++) {
 418                 ws = dev->data->ports[i];
 419                 ssows_reset(ws);
 420                 ws->swtag_req = 0;
 421         }
 422
 423         for (i = 0; i < edev->nb_event_queues; i++) {
 424                 /* Consume all the events through HWS0 */
 425                 ssows_flush_events(dev->data->ports[0], i);
 426
 427                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 428                 base += SSO_VHGRP_QCTL;
 429                 ssovf_write64(1, base); /* Enable SSO group */
 430         }
 431
 432         ssovf_fastpath_fns_set(dev);
 433         return 0;
 434 }
 435
 436 static void
 437 ssovf_stop(struct rte_eventdev *dev)
 438 {
 439         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 440         struct ssows *ws;
 441         uint8_t *base;
 442         uint8_t i;
 443
 444         ssovf_func_trace();
 445         for (i = 0; i < edev->nb_event_ports; i++) {
 446                 ws = dev->data->ports[i];
 447                 ssows_reset(ws);
 448                 ws->swtag_req = 0;
 449         }
 450
 451         for (i = 0; i < edev->nb_event_queues; i++) {
 452                 /* Consume all the events through HWS0 */
 453                 ssows_flush_events(dev->data->ports[0], i);
 454
 455                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 456                 base += SSO_VHGRP_QCTL;
 457                 ssovf_write64(0, base); /* Disable SSO group */
 458         }
 459 }
 460
 461 static int
 462 ssovf_close(struct rte_eventdev *dev)
 463 {
 464         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 465         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 466         uint8_t i;
 467
 468         for (i = 0; i < edev->nb_event_queues; i++)
 469                 all_queues[i] = i;
 470
 471         for (i = 0; i < edev->nb_event_ports; i++)
 472                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 473                         edev->nb_event_queues);
 474         return 0;
 475 }
 476
 477 /* Initialize and register event driver with DPDK Application */
 478 static const struct rte_eventdev_ops ssovf_ops = {
 479         .dev_infos_get    = ssovf_info_get,
 480         .dev_configure    = ssovf_configure,
 481         .queue_def_conf   = ssovf_queue_def_conf,
 482         .queue_setup      = ssovf_queue_setup,
 483         .queue_release    = ssovf_queue_release,
 484         .port_def_conf    = ssovf_port_def_conf,
 485         .port_setup       = ssovf_port_setup,
 486         .port_release     = ssovf_port_release,
 487         .port_link        = ssovf_port_link,
 488         .port_unlink      = ssovf_port_unlink,
 489         .timeout_ticks    = ssovf_timeout_ticks,
 490         .dump             = ssovf_dump,
 491         .dev_start        = ssovf_start,
 492         .dev_stop         = ssovf_stop,
 493         .dev_close        = ssovf_close
 494 };
 495
 496 static int
 497 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 498 {
 499         struct octeontx_ssovf_info oinfo;
 500         struct ssovf_mbox_dev_info info;
 501         struct ssovf_evdev *edev;
 502         struct rte_eventdev *eventdev;
 503         static int ssovf_init_once;
 504         const char *name;
 505         int ret;
 506
 507         name = rte_vdev_device_name(vdev);
 508         /* More than one instance is not supported */
 509         if (ssovf_init_once) {
 510                 ssovf_log_err("Request to create >1 %s instance", name);
 511                 return -EINVAL;
 512         }
 513
 514         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 515                                 rte_socket_id());
 516         if (eventdev == NULL) {
 517                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 518                 return -ENOMEM;
 519         }
 520         eventdev->dev_ops = &ssovf_ops;
 521
 522         /* For secondary processes, the primary has done all the work */
 523         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 524                 ssovf_fastpath_fns_set(eventdev);
 525                 return 0;
 526         }
 527
 528         ret = octeontx_ssovf_info(&oinfo);
 529         if (ret) {
 530                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 531                 goto error;
 532         }
 533
 534         edev = ssovf_pmd_priv(eventdev);
 535         edev->max_event_ports = oinfo.total_ssowvfs;
 536         edev->max_event_queues = oinfo.total_ssovfs;
 537         edev->is_timeout_deq = 0;
 538
 539         ret = ssovf_mbox_dev_info(&info);
 540         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 541                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 542                 goto error;
 543         }
 544
 545         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 546         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 547         edev->max_num_events =  info.max_num_events;
 548         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 549                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 550                         info.max_num_events);
 551
 552         if (!edev->max_event_ports || !edev->max_event_queues) {
 553                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 554                         edev->max_event_queues, edev->max_event_ports);
 555                 ret = -ENODEV;
 556                 goto error;
 557         }
 558
 559         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 560                         name, oinfo.domain, edev->max_event_queues,
 561                         edev->max_event_ports);
 562
 563         ssovf_init_once = 1;
 564         return 0;
 565
 566 error:
 567         rte_event_pmd_vdev_uninit(name);
 568         return ret;
 569 }
 570
 571 static int
 572 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 573 {
 574         const char *name;
 575
 576         name = rte_vdev_device_name(vdev);
 577         ssovf_log_info("Closing %s", name);
 578         return rte_event_pmd_vdev_uninit(name);
 579 }
 580
 581 static struct rte_vdev_driver vdev_ssovf_pmd = {
 582         .probe = ssovf_vdev_probe,
 583         .remove = ssovf_vdev_remove
 584 };
 585
 586 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);