drivers/event/octeontx/ssovf_evdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include <inttypes.h>
   6
   7 #include <rte_common.h>
   8 #include <rte_debug.h>
   9 #include <rte_dev.h>
  10 #include <rte_eal.h>
  11 #include <rte_ethdev.h>
  12 #include <rte_event_eth_rx_adapter.h>
  13 #include <rte_lcore.h>
  14 #include <rte_log.h>
  15 #include <rte_malloc.h>
  16 #include <rte_memory.h>
  17 #include <rte_bus_vdev.h>
  18
  19 #include "ssovf_evdev.h"
  20
  21 int otx_logtype_ssovf;
  22
  23 RTE_INIT(otx_ssovf_init_log);
  24 static void
  25 otx_ssovf_init_log(void)
  26 {
  27         otx_logtype_ssovf = rte_log_register("pmd.otx.eventdev");
  28         if (otx_logtype_ssovf >= 0)
  29                 rte_log_set_level(otx_logtype_ssovf, RTE_LOG_NOTICE);
  30 }
  31
  32 /* SSOPF Mailbox messages */
  33
  34 struct ssovf_mbox_dev_info {
  35         uint64_t min_deq_timeout_ns;
  36         uint64_t max_deq_timeout_ns;
  37         uint32_t max_num_events;
  38 };
  39
  40 static int
  41 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
  42 {
  43         struct octeontx_mbox_hdr hdr = {0};
  44         uint16_t len = sizeof(struct ssovf_mbox_dev_info);
  45
  46         hdr.coproc = SSO_COPROC;
  47         hdr.msg = SSO_GET_DEV_INFO;
  48         hdr.vfid = 0;
  49
  50         memset(info, 0, len);
  51         return octeontx_ssovf_mbox_send(&hdr, NULL, 0, info, len);
  52 }
  53
  54 struct ssovf_mbox_getwork_wait {
  55         uint64_t wait_ns;
  56 };
  57
  58 static int
  59 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
  60 {
  61         struct octeontx_mbox_hdr hdr = {0};
  62         struct ssovf_mbox_getwork_wait tmo_set;
  63         uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
  64         int ret;
  65
  66         hdr.coproc = SSO_COPROC;
  67         hdr.msg = SSO_SET_GETWORK_WAIT;
  68         hdr.vfid = 0;
  69
  70         tmo_set.wait_ns = timeout_ns;
  71         ret = octeontx_ssovf_mbox_send(&hdr, &tmo_set, len, NULL, 0);
  72         if (ret)
  73                 ssovf_log_err("Failed to set getwork timeout(%d)", ret);
  74
  75         return ret;
  76 }
  77
  78 struct ssovf_mbox_grp_pri {
  79         uint8_t wgt_left; /* Read only */
  80         uint8_t weight;
  81         uint8_t affinity;
  82         uint8_t priority;
  83 };
  84
  85 static int
  86 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
  87 {
  88         struct octeontx_mbox_hdr hdr = {0};
  89         struct ssovf_mbox_grp_pri grp;
  90         uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
  91         int ret;
  92
  93         hdr.coproc = SSO_COPROC;
  94         hdr.msg = SSO_GRP_SET_PRIORITY;
  95         hdr.vfid = queue;
  96
  97         grp.weight = 0xff;
  98         grp.affinity = 0xff;
  99         grp.priority = prio / 32; /* Normalize to 0 to 7 */
 100
 101         ret = octeontx_ssovf_mbox_send(&hdr, &grp, len, NULL, 0);
 102         if (ret)
 103                 ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
 104
 105         return ret;
 106 }
 107
 108 struct ssovf_mbox_convert_ns_getworks_iter {
 109         uint64_t wait_ns;
 110         uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
 111 };
 112
 113 static int
 114 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
 115 {
 116         struct octeontx_mbox_hdr hdr = {0};
 117         struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
 118         uint16_t len = sizeof(ns2iter);
 119         int ret;
 120
 121         hdr.coproc = SSO_COPROC;
 122         hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
 123         hdr.vfid = 0;
 124
 125         memset(&ns2iter, 0, len);
 126         ns2iter.wait_ns = ns;
 127         ret = octeontx_ssovf_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
 128         if (ret < 0 || (ret != len)) {
 129                 ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
 130                 return -EIO;
 131         }
 132
 133         *tmo_ticks = ns2iter.getwork_iter;
 134         return 0;
 135 }
 136
 137 static void
 138 ssovf_fastpath_fns_set(struct rte_eventdev *dev)
 139 {
 140         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 141
 142         dev->enqueue       = ssows_enq;
 143         dev->enqueue_burst = ssows_enq_burst;
 144         dev->enqueue_new_burst = ssows_enq_new_burst;
 145         dev->enqueue_forward_burst = ssows_enq_fwd_burst;
 146         dev->dequeue       = ssows_deq;
 147         dev->dequeue_burst = ssows_deq_burst;
 148
 149         if (edev->is_timeout_deq) {
 150                 dev->dequeue       = ssows_deq_timeout;
 151                 dev->dequeue_burst = ssows_deq_timeout_burst;
 152         }
 153 }
 154
 155 static void
 156 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 157 {
 158         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 159
 160         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 161         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 162         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 163         dev_info->max_event_queues = edev->max_event_queues;
 164         dev_info->max_event_queue_flows = (1ULL << 20);
 165         dev_info->max_event_queue_priority_levels = 8;
 166         dev_info->max_event_priority_levels = 1;
 167         dev_info->max_event_ports = edev->max_event_ports;
 168         dev_info->max_event_port_dequeue_depth = 1;
 169         dev_info->max_event_port_enqueue_depth = 1;
 170         dev_info->max_num_events =  edev->max_num_events;
 171         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 172                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 173                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES;
 174 }
 175
 176 static int
 177 ssovf_configure(const struct rte_eventdev *dev)
 178 {
 179         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 180         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 181         uint64_t deq_tmo_ns;
 182
 183         ssovf_func_trace();
 184         deq_tmo_ns = conf->dequeue_timeout_ns;
 185         if (deq_tmo_ns == 0)
 186                 deq_tmo_ns = edev->min_deq_timeout_ns;
 187
 188         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 189                 edev->is_timeout_deq = 1;
 190                 deq_tmo_ns = edev->min_deq_timeout_ns;
 191         }
 192         edev->nb_event_queues = conf->nb_event_queues;
 193         edev->nb_event_ports = conf->nb_event_ports;
 194
 195         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 196 }
 197
 198 static void
 199 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 200                                  struct rte_event_queue_conf *queue_conf)
 201 {
 202         RTE_SET_USED(dev);
 203         RTE_SET_USED(queue_id);
 204
 205         queue_conf->nb_atomic_flows = (1ULL << 20);
 206         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 207         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 208         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 209 }
 210
 211 static void
 212 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 213 {
 214         RTE_SET_USED(dev);
 215         RTE_SET_USED(queue_id);
 216 }
 217
 218 static int
 219 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 220                               const struct rte_event_queue_conf *queue_conf)
 221 {
 222         RTE_SET_USED(dev);
 223         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 224
 225         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 226 }
 227
 228 static void
 229 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 230                                  struct rte_event_port_conf *port_conf)
 231 {
 232         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 233
 234         RTE_SET_USED(port_id);
 235         port_conf->new_event_threshold = edev->max_num_events;
 236         port_conf->dequeue_depth = 1;
 237         port_conf->enqueue_depth = 1;
 238         port_conf->disable_implicit_release = 0;
 239 }
 240
 241 static void
 242 ssovf_port_release(void *port)
 243 {
 244         rte_free(port);
 245 }
 246
 247 static int
 248 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 249                                 const struct rte_event_port_conf *port_conf)
 250 {
 251         struct ssows *ws;
 252         uint32_t reg_off;
 253         uint8_t q;
 254         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 255
 256         ssovf_func_trace("port=%d", port_id);
 257         RTE_SET_USED(port_conf);
 258
 259         /* Free memory prior to re-allocation if needed */
 260         if (dev->data->ports[port_id] != NULL) {
 261                 ssovf_port_release(dev->data->ports[port_id]);
 262                 dev->data->ports[port_id] = NULL;
 263         }
 264
 265         /* Allocate event port memory */
 266         ws = rte_zmalloc_socket("eventdev ssows",
 267                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 268                         dev->data->socket_id);
 269         if (ws == NULL) {
 270                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 271                 return -ENOMEM;
 272         }
 273
 274         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 275         if (ws->base == NULL) {
 276                 rte_free(ws);
 277                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 278                 return -EINVAL;
 279         }
 280
 281         reg_off = SSOW_VHWS_OP_GET_WORK0;
 282         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 283         reg_off |= 1 << 16; /* Wait */
 284         ws->getwork = ws->base + reg_off;
 285         ws->port = port_id;
 286
 287         for (q = 0; q < edev->nb_event_queues; q++) {
 288                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 289                 if (ws->grps[q] == NULL) {
 290                         rte_free(ws);
 291                         ssovf_log_err("Failed to get grp%d base addr", q);
 292                         return -EINVAL;
 293                 }
 294         }
 295
 296         dev->data->ports[port_id] = ws;
 297         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 298         return 0;
 299 }
 300
 301 static int
 302 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 303                 const uint8_t priorities[], uint16_t nb_links)
 304 {
 305         uint16_t link;
 306         uint64_t val;
 307         struct ssows *ws = port;
 308
 309         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 310         RTE_SET_USED(dev);
 311         RTE_SET_USED(priorities);
 312
 313         for (link = 0; link < nb_links; link++) {
 314                 val = queues[link];
 315                 val |= (1ULL << 24); /* Set membership */
 316                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 317         }
 318         return (int)nb_links;
 319 }
 320
 321 static int
 322 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 323                         uint16_t nb_unlinks)
 324 {
 325         uint16_t unlink;
 326         uint64_t val;
 327         struct ssows *ws = port;
 328
 329         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 330         RTE_SET_USED(dev);
 331
 332         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 333                 val = queues[unlink];
 334                 val &= ~(1ULL << 24); /* Clear membership */
 335                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 336         }
 337         return (int)nb_unlinks;
 338 }
 339
 340 static int
 341 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 342 {
 343         RTE_SET_USED(dev);
 344
 345         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 346 }
 347
 348 static void
 349 ssows_dump(struct ssows *ws, FILE *f)
 350 {
 351         uint8_t *base = ws->base;
 352         uint64_t val;
 353
 354         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 355         val = ssovf_read64(base + SSOW_VHWS_TAG);
 356         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 357                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 358                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 359                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 360                 (int)(val >> 63) & 0x1);
 361
 362         val = ssovf_read64(base + SSOW_VHWS_WQP);
 363         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 364
 365         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 366         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 367                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 368                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 369                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 370
 371         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 372         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 373                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 374                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 375                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 376                 (int)(val >> 63) & 0x1);
 377
 378         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 379         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 380 }
 381
 382 static int
 383 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 384                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 385 {
 386         int ret;
 387         RTE_SET_USED(dev);
 388
 389         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 390         if (ret)
 391                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 392         else
 393                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 394
 395         return 0;
 396 }
 397
 398 static int
 399 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 400                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 401                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 402 {
 403         int ret = 0;
 404         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 405         pki_mod_qos_t pki_qos;
 406         RTE_SET_USED(dev);
 407
 408         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 409         if (ret)
 410                 return -EINVAL;
 411
 412         if (rx_queue_id >= 0)
 413                 return -EINVAL;
 414
 415         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 416                 return -ENOTSUP;
 417
 418         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 419
 420         pki_qos.port_type = 0;
 421         pki_qos.index = 0;
 422         pki_qos.mmask.f_tag_type = 1;
 423         pki_qos.mmask.f_port_add = 1;
 424         pki_qos.mmask.f_grp_ok = 1;
 425         pki_qos.mmask.f_grp_bad = 1;
 426         pki_qos.mmask.f_grptag_ok = 1;
 427         pki_qos.mmask.f_grptag_bad = 1;
 428
 429         pki_qos.tag_type = queue_conf->ev.sched_type;
 430         pki_qos.qos_entry.port_add = 0;
 431         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 432         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 433         pki_qos.qos_entry.grptag_bad = 0;
 434         pki_qos.qos_entry.grptag_ok = 0;
 435
 436         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 437         if (ret < 0)
 438                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 439                                 nic->port_id, queue_conf->ev.queue_id);
 440
 441         return ret;
 442 }
 443
 444 static int
 445 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 446                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 447 {
 448         int ret = 0;
 449         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 450         pki_del_qos_t pki_qos;
 451         RTE_SET_USED(dev);
 452         RTE_SET_USED(rx_queue_id);
 453
 454         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 455         if (ret)
 456                 return -EINVAL;
 457
 458         pki_qos.port_type = 0;
 459         pki_qos.index = 0;
 460         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 461         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 462         if (ret < 0)
 463                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 464                                 nic->port_id, queue_conf->ev.queue_id);
 465         return ret;
 466 }
 467
 468 static int
 469 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 470                                         const struct rte_eth_dev *eth_dev)
 471 {
 472         int ret;
 473         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 474         RTE_SET_USED(dev);
 475
 476         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 477         if (ret)
 478                 return 0;
 479         octeontx_pki_port_start(nic->port_id);
 480         return 0;
 481 }
 482
 483
 484 static int
 485 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 486                 const struct rte_eth_dev *eth_dev)
 487 {
 488         int ret;
 489         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 490         RTE_SET_USED(dev);
 491
 492         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 493         if (ret)
 494                 return 0;
 495         octeontx_pki_port_stop(nic->port_id);
 496         return 0;
 497 }
 498
 499 static void
 500 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 501 {
 502         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 503         uint8_t port;
 504
 505         /* Dump SSOWVF debug registers */
 506         for (port = 0; port < edev->nb_event_ports; port++)
 507                 ssows_dump(dev->data->ports[port], f);
 508 }
 509
 510 static int
 511 ssovf_start(struct rte_eventdev *dev)
 512 {
 513         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 514         struct ssows *ws;
 515         uint8_t *base;
 516         uint8_t i;
 517
 518         ssovf_func_trace();
 519         for (i = 0; i < edev->nb_event_ports; i++) {
 520                 ws = dev->data->ports[i];
 521                 ssows_reset(ws);
 522                 ws->swtag_req = 0;
 523         }
 524
 525         for (i = 0; i < edev->nb_event_queues; i++) {
 526                 /* Consume all the events through HWS0 */
 527                 ssows_flush_events(dev->data->ports[0], i);
 528
 529                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 530                 base += SSO_VHGRP_QCTL;
 531                 ssovf_write64(1, base); /* Enable SSO group */
 532         }
 533
 534         ssovf_fastpath_fns_set(dev);
 535         return 0;
 536 }
 537
 538 static void
 539 ssovf_stop(struct rte_eventdev *dev)
 540 {
 541         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 542         struct ssows *ws;
 543         uint8_t *base;
 544         uint8_t i;
 545
 546         ssovf_func_trace();
 547         for (i = 0; i < edev->nb_event_ports; i++) {
 548                 ws = dev->data->ports[i];
 549                 ssows_reset(ws);
 550                 ws->swtag_req = 0;
 551         }
 552
 553         for (i = 0; i < edev->nb_event_queues; i++) {
 554                 /* Consume all the events through HWS0 */
 555                 ssows_flush_events(dev->data->ports[0], i);
 556
 557                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 558                 base += SSO_VHGRP_QCTL;
 559                 ssovf_write64(0, base); /* Disable SSO group */
 560         }
 561 }
 562
 563 static int
 564 ssovf_close(struct rte_eventdev *dev)
 565 {
 566         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 567         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 568         uint8_t i;
 569
 570         for (i = 0; i < edev->nb_event_queues; i++)
 571                 all_queues[i] = i;
 572
 573         for (i = 0; i < edev->nb_event_ports; i++)
 574                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 575                         edev->nb_event_queues);
 576         return 0;
 577 }
 578
 579 /* Initialize and register event driver with DPDK Application */
 580 static const struct rte_eventdev_ops ssovf_ops = {
 581         .dev_infos_get    = ssovf_info_get,
 582         .dev_configure    = ssovf_configure,
 583         .queue_def_conf   = ssovf_queue_def_conf,
 584         .queue_setup      = ssovf_queue_setup,
 585         .queue_release    = ssovf_queue_release,
 586         .port_def_conf    = ssovf_port_def_conf,
 587         .port_setup       = ssovf_port_setup,
 588         .port_release     = ssovf_port_release,
 589         .port_link        = ssovf_port_link,
 590         .port_unlink      = ssovf_port_unlink,
 591         .timeout_ticks    = ssovf_timeout_ticks,
 592
 593         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 594         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 595         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 596         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 597         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 598
 599         .dump             = ssovf_dump,
 600         .dev_start        = ssovf_start,
 601         .dev_stop         = ssovf_stop,
 602         .dev_close        = ssovf_close
 603 };
 604
 605 static int
 606 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 607 {
 608         struct octeontx_ssovf_info oinfo;
 609         struct ssovf_mbox_dev_info info;
 610         struct ssovf_evdev *edev;
 611         struct rte_eventdev *eventdev;
 612         static int ssovf_init_once;
 613         const char *name;
 614         int ret;
 615
 616         name = rte_vdev_device_name(vdev);
 617         /* More than one instance is not supported */
 618         if (ssovf_init_once) {
 619                 ssovf_log_err("Request to create >1 %s instance", name);
 620                 return -EINVAL;
 621         }
 622
 623         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 624                                 rte_socket_id());
 625         if (eventdev == NULL) {
 626                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 627                 return -ENOMEM;
 628         }
 629         eventdev->dev_ops = &ssovf_ops;
 630
 631         /* For secondary processes, the primary has done all the work */
 632         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 633                 ssovf_fastpath_fns_set(eventdev);
 634                 return 0;
 635         }
 636
 637         ret = octeontx_ssovf_info(&oinfo);
 638         if (ret) {
 639                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 640                 goto error;
 641         }
 642
 643         edev = ssovf_pmd_priv(eventdev);
 644         edev->max_event_ports = oinfo.total_ssowvfs;
 645         edev->max_event_queues = oinfo.total_ssovfs;
 646         edev->is_timeout_deq = 0;
 647
 648         ret = ssovf_mbox_dev_info(&info);
 649         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 650                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 651                 goto error;
 652         }
 653
 654         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 655         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 656         edev->max_num_events =  info.max_num_events;
 657         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 658                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 659                         info.max_num_events);
 660
 661         if (!edev->max_event_ports || !edev->max_event_queues) {
 662                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 663                         edev->max_event_queues, edev->max_event_ports);
 664                 ret = -ENODEV;
 665                 goto error;
 666         }
 667
 668         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 669                         name, oinfo.domain, edev->max_event_queues,
 670                         edev->max_event_ports);
 671
 672         ssovf_init_once = 1;
 673         return 0;
 674
 675 error:
 676         rte_event_pmd_vdev_uninit(name);
 677         return ret;
 678 }
 679
 680 static int
 681 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 682 {
 683         const char *name;
 684
 685         name = rte_vdev_device_name(vdev);
 686         ssovf_log_info("Closing %s", name);
 687         return rte_event_pmd_vdev_uninit(name);
 688 }
 689
 690 static struct rte_vdev_driver vdev_ssovf_pmd = {
 691         .probe = ssovf_vdev_probe,
 692         .remove = ssovf_vdev_remove
 693 };
 694
 695 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);