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