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->dequeue       = ssows_deq;
 162         dev->dequeue_burst = ssows_deq_burst;
 163
 164         if (edev->is_timeout_deq) {
 165                 dev->dequeue       = ssows_deq_timeout;
 166                 dev->dequeue_burst = ssows_deq_timeout_burst;
 167         }
 168 }
 169
 170 static void
 171 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 172 {
 173         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 174
 175         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 176         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 177         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 178         dev_info->max_event_queues = edev->max_event_queues;
 179         dev_info->max_event_queue_flows = (1ULL << 20);
 180         dev_info->max_event_queue_priority_levels = 8;
 181         dev_info->max_event_priority_levels = 1;
 182         dev_info->max_event_ports = edev->max_event_ports;
 183         dev_info->max_event_port_dequeue_depth = 1;
 184         dev_info->max_event_port_enqueue_depth = 1;
 185         dev_info->max_num_events =  edev->max_num_events;
 186         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 187                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 188                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES;
 189 }
 190
 191 static int
 192 ssovf_configure(const struct rte_eventdev *dev)
 193 {
 194         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 195         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 196         uint64_t deq_tmo_ns;
 197
 198         ssovf_func_trace();
 199         deq_tmo_ns = conf->dequeue_timeout_ns;
 200
 201         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 202                 edev->is_timeout_deq = 1;
 203                 deq_tmo_ns = edev->min_deq_timeout_ns;
 204         }
 205         edev->nb_event_queues = conf->nb_event_queues;
 206         edev->nb_event_ports = conf->nb_event_ports;
 207
 208         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 209 }
 210
 211 static void
 212 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 213                                  struct rte_event_queue_conf *queue_conf)
 214 {
 215         RTE_SET_USED(dev);
 216         RTE_SET_USED(queue_id);
 217
 218         queue_conf->nb_atomic_flows = (1ULL << 20);
 219         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 220         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 221         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 222 }
 223
 224 static void
 225 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 226 {
 227         RTE_SET_USED(dev);
 228         RTE_SET_USED(queue_id);
 229 }
 230
 231 static int
 232 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 233                               const struct rte_event_queue_conf *queue_conf)
 234 {
 235         RTE_SET_USED(dev);
 236         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 237
 238         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 239 }
 240
 241 static void
 242 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 243                                  struct rte_event_port_conf *port_conf)
 244 {
 245         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 246
 247         RTE_SET_USED(port_id);
 248         port_conf->new_event_threshold = edev->max_num_events;
 249         port_conf->dequeue_depth = 1;
 250         port_conf->enqueue_depth = 1;
 251 }
 252
 253 static void
 254 ssovf_port_release(void *port)
 255 {
 256         rte_free(port);
 257 }
 258
 259 static int
 260 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 261                                 const struct rte_event_port_conf *port_conf)
 262 {
 263         struct ssows *ws;
 264         uint32_t reg_off;
 265         uint8_t q;
 266         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 267
 268         ssovf_func_trace("port=%d", port_id);
 269         RTE_SET_USED(port_conf);
 270
 271         /* Free memory prior to re-allocation if needed */
 272         if (dev->data->ports[port_id] != NULL) {
 273                 ssovf_port_release(dev->data->ports[port_id]);
 274                 dev->data->ports[port_id] = NULL;
 275         }
 276
 277         /* Allocate event port memory */
 278         ws = rte_zmalloc_socket("eventdev ssows",
 279                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 280                         dev->data->socket_id);
 281         if (ws == NULL) {
 282                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 283                 return -ENOMEM;
 284         }
 285
 286         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 287         if (ws->base == NULL) {
 288                 rte_free(ws);
 289                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 290                 return -EINVAL;
 291         }
 292
 293         reg_off = SSOW_VHWS_OP_GET_WORK0;
 294         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 295         reg_off |= 1 << 16; /* Wait */
 296         ws->getwork = ws->base + reg_off;
 297         ws->port = port_id;
 298
 299         for (q = 0; q < edev->nb_event_queues; q++) {
 300                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 301                 if (ws->grps[q] == NULL) {
 302                         rte_free(ws);
 303                         ssovf_log_err("Failed to get grp%d base addr", q);
 304                         return -EINVAL;
 305                 }
 306         }
 307
 308         dev->data->ports[port_id] = ws;
 309         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 310         return 0;
 311 }
 312
 313 static int
 314 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 315                 const uint8_t priorities[], uint16_t nb_links)
 316 {
 317         uint16_t link;
 318         uint64_t val;
 319         struct ssows *ws = port;
 320
 321         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 322         RTE_SET_USED(dev);
 323         RTE_SET_USED(priorities);
 324
 325         for (link = 0; link < nb_links; link++) {
 326                 val = queues[link];
 327                 val |= (1ULL << 24); /* Set membership */
 328                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 329         }
 330         return (int)nb_links;
 331 }
 332
 333 static int
 334 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 335                         uint16_t nb_unlinks)
 336 {
 337         uint16_t unlink;
 338         uint64_t val;
 339         struct ssows *ws = port;
 340
 341         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 342         RTE_SET_USED(dev);
 343
 344         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 345                 val = queues[unlink];
 346                 val &= ~(1ULL << 24); /* Clear membership */
 347                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 348         }
 349         return (int)nb_unlinks;
 350 }
 351
 352 static int
 353 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 354 {
 355         RTE_SET_USED(dev);
 356
 357         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 358 }
 359
 360 static void
 361 ssows_dump(struct ssows *ws, FILE *f)
 362 {
 363         uint8_t *base = ws->base;
 364         uint64_t val;
 365
 366         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 367         val = ssovf_read64(base + SSOW_VHWS_TAG);
 368         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 369                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 370                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 371                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 372                 (int)(val >> 63) & 0x1);
 373
 374         val = ssovf_read64(base + SSOW_VHWS_WQP);
 375         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 376
 377         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 378         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 379                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 380                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 381                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 382
 383         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 384         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 385                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 386                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 387                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 388                 (int)(val >> 63) & 0x1);
 389
 390         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 391         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 392 }
 393
 394 static void
 395 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 396 {
 397         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 398         uint8_t port;
 399
 400         /* Dump SSOWVF debug registers */
 401         for (port = 0; port < edev->nb_event_ports; port++)
 402                 ssows_dump(dev->data->ports[port], f);
 403 }
 404
 405 static int
 406 ssovf_start(struct rte_eventdev *dev)
 407 {
 408         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 409         struct ssows *ws;
 410         uint8_t *base;
 411         uint8_t i;
 412
 413         ssovf_func_trace();
 414         for (i = 0; i < edev->nb_event_ports; i++) {
 415                 ws = dev->data->ports[i];
 416                 ssows_reset(ws);
 417                 ws->swtag_req = 0;
 418         }
 419
 420         for (i = 0; i < edev->nb_event_queues; i++) {
 421                 /* Consume all the events through HWS0 */
 422                 ssows_flush_events(dev->data->ports[0], i);
 423
 424                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 425                 base += SSO_VHGRP_QCTL;
 426                 ssovf_write64(1, base); /* Enable SSO group */
 427         }
 428
 429         ssovf_fastpath_fns_set(dev);
 430         return 0;
 431 }
 432
 433 static void
 434 ssovf_stop(struct rte_eventdev *dev)
 435 {
 436         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 437         struct ssows *ws;
 438         uint8_t *base;
 439         uint8_t i;
 440
 441         ssovf_func_trace();
 442         for (i = 0; i < edev->nb_event_ports; i++) {
 443                 ws = dev->data->ports[i];
 444                 ssows_reset(ws);
 445                 ws->swtag_req = 0;
 446         }
 447
 448         for (i = 0; i < edev->nb_event_queues; i++) {
 449                 /* Consume all the events through HWS0 */
 450                 ssows_flush_events(dev->data->ports[0], i);
 451
 452                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 453                 base += SSO_VHGRP_QCTL;
 454                 ssovf_write64(0, base); /* Disable SSO group */
 455         }
 456 }
 457
 458 static int
 459 ssovf_close(struct rte_eventdev *dev)
 460 {
 461         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 462         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 463         uint8_t i;
 464
 465         for (i = 0; i < edev->nb_event_queues; i++)
 466                 all_queues[i] = i;
 467
 468         for (i = 0; i < edev->nb_event_ports; i++)
 469                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 470                         edev->nb_event_queues);
 471         return 0;
 472 }
 473
 474 /* Initialize and register event driver with DPDK Application */
 475 static const struct rte_eventdev_ops ssovf_ops = {
 476         .dev_infos_get    = ssovf_info_get,
 477         .dev_configure    = ssovf_configure,
 478         .queue_def_conf   = ssovf_queue_def_conf,
 479         .queue_setup      = ssovf_queue_setup,
 480         .queue_release    = ssovf_queue_release,
 481         .port_def_conf    = ssovf_port_def_conf,
 482         .port_setup       = ssovf_port_setup,
 483         .port_release     = ssovf_port_release,
 484         .port_link        = ssovf_port_link,
 485         .port_unlink      = ssovf_port_unlink,
 486         .timeout_ticks    = ssovf_timeout_ticks,
 487         .dump             = ssovf_dump,
 488         .dev_start        = ssovf_start,
 489         .dev_stop         = ssovf_stop,
 490         .dev_close        = ssovf_close
 491 };
 492
 493 static int
 494 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 495 {
 496         struct octeontx_ssovf_info oinfo;
 497         struct ssovf_mbox_dev_info info;
 498         struct ssovf_evdev *edev;
 499         struct rte_eventdev *eventdev;
 500         static int ssovf_init_once;
 501         const char *name;
 502         int ret;
 503
 504         name = rte_vdev_device_name(vdev);
 505         /* More than one instance is not supported */
 506         if (ssovf_init_once) {
 507                 ssovf_log_err("Request to create >1 %s instance", name);
 508                 return -EINVAL;
 509         }
 510
 511         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 512                                 rte_socket_id());
 513         if (eventdev == NULL) {
 514                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 515                 return -ENOMEM;
 516         }
 517         eventdev->dev_ops = &ssovf_ops;
 518
 519         /* For secondary processes, the primary has done all the work */
 520         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 521                 ssovf_fastpath_fns_set(eventdev);
 522                 return 0;
 523         }
 524
 525         ret = octeontx_ssovf_info(&oinfo);
 526         if (ret) {
 527                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 528                 goto error;
 529         }
 530
 531         edev = ssovf_pmd_priv(eventdev);
 532         edev->max_event_ports = oinfo.total_ssowvfs;
 533         edev->max_event_queues = oinfo.total_ssovfs;
 534         edev->is_timeout_deq = 0;
 535
 536         ret = ssovf_mbox_dev_info(&info);
 537         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 538                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 539                 goto error;
 540         }
 541
 542         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 543         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 544         edev->max_num_events =  info.max_num_events;
 545         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 546                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 547                         info.max_num_events);
 548
 549         if (!edev->max_event_ports || !edev->max_event_queues) {
 550                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 551                         edev->max_event_queues, edev->max_event_ports);
 552                 ret = -ENODEV;
 553                 goto error;
 554         }
 555
 556         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 557                         name, oinfo.domain, edev->max_event_queues,
 558                         edev->max_event_ports);
 559
 560         ssovf_init_once = 1;
 561         return 0;
 562
 563 error:
 564         rte_event_pmd_vdev_uninit(name);
 565         return ret;
 566 }
 567
 568 static int
 569 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 570 {
 571         const char *name;
 572
 573         name = rte_vdev_device_name(vdev);
 574         ssovf_log_info("Closing %s", name);
 575         return rte_event_pmd_vdev_uninit(name);
 576 }
 577
 578 static struct rte_vdev_driver vdev_ssovf_pmd = {
 579         .probe = ssovf_vdev_probe,
 580         .remove = ssovf_vdev_remove
 581 };
 582
 583 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);