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 }
 239
 240 static void
 241 ssovf_port_release(void *port)
 242 {
 243         rte_free(port);
 244 }
 245
 246 static int
 247 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 248                                 const struct rte_event_port_conf *port_conf)
 249 {
 250         struct ssows *ws;
 251         uint32_t reg_off;
 252         uint8_t q;
 253         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 254
 255         ssovf_func_trace("port=%d", port_id);
 256         RTE_SET_USED(port_conf);
 257
 258         /* Free memory prior to re-allocation if needed */
 259         if (dev->data->ports[port_id] != NULL) {
 260                 ssovf_port_release(dev->data->ports[port_id]);
 261                 dev->data->ports[port_id] = NULL;
 262         }
 263
 264         /* Allocate event port memory */
 265         ws = rte_zmalloc_socket("eventdev ssows",
 266                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 267                         dev->data->socket_id);
 268         if (ws == NULL) {
 269                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 270                 return -ENOMEM;
 271         }
 272
 273         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 274         if (ws->base == NULL) {
 275                 rte_free(ws);
 276                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 277                 return -EINVAL;
 278         }
 279
 280         reg_off = SSOW_VHWS_OP_GET_WORK0;
 281         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 282         reg_off |= 1 << 16; /* Wait */
 283         ws->getwork = ws->base + reg_off;
 284         ws->port = port_id;
 285
 286         for (q = 0; q < edev->nb_event_queues; q++) {
 287                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 288                 if (ws->grps[q] == NULL) {
 289                         rte_free(ws);
 290                         ssovf_log_err("Failed to get grp%d base addr", q);
 291                         return -EINVAL;
 292                 }
 293         }
 294
 295         dev->data->ports[port_id] = ws;
 296         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 297         return 0;
 298 }
 299
 300 static int
 301 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 302                 const uint8_t priorities[], uint16_t nb_links)
 303 {
 304         uint16_t link;
 305         uint64_t val;
 306         struct ssows *ws = port;
 307
 308         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 309         RTE_SET_USED(dev);
 310         RTE_SET_USED(priorities);
 311
 312         for (link = 0; link < nb_links; link++) {
 313                 val = queues[link];
 314                 val |= (1ULL << 24); /* Set membership */
 315                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 316         }
 317         return (int)nb_links;
 318 }
 319
 320 static int
 321 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 322                         uint16_t nb_unlinks)
 323 {
 324         uint16_t unlink;
 325         uint64_t val;
 326         struct ssows *ws = port;
 327
 328         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 329         RTE_SET_USED(dev);
 330
 331         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 332                 val = queues[unlink];
 333                 val &= ~(1ULL << 24); /* Clear membership */
 334                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 335         }
 336         return (int)nb_unlinks;
 337 }
 338
 339 static int
 340 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 341 {
 342         RTE_SET_USED(dev);
 343
 344         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 345 }
 346
 347 static void
 348 ssows_dump(struct ssows *ws, FILE *f)
 349 {
 350         uint8_t *base = ws->base;
 351         uint64_t val;
 352
 353         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 354         val = ssovf_read64(base + SSOW_VHWS_TAG);
 355         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 356                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 357                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 358                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 359                 (int)(val >> 63) & 0x1);
 360
 361         val = ssovf_read64(base + SSOW_VHWS_WQP);
 362         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 363
 364         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 365         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 366                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 367                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 368                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 369
 370         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 371         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 372                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 373                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 374                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 375                 (int)(val >> 63) & 0x1);
 376
 377         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 378         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 379 }
 380
 381 static int
 382 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 383                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 384 {
 385         int ret;
 386         RTE_SET_USED(dev);
 387
 388         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 389         if (ret)
 390                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 391         else
 392                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 393
 394         return 0;
 395 }
 396
 397 static int
 398 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 399                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 400                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 401 {
 402         int ret = 0;
 403         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 404         pki_mod_qos_t pki_qos;
 405         RTE_SET_USED(dev);
 406
 407         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 408         if (ret)
 409                 return -EINVAL;
 410
 411         if (rx_queue_id >= 0)
 412                 return -EINVAL;
 413
 414         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 415                 return -ENOTSUP;
 416
 417         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 418
 419         pki_qos.port_type = 0;
 420         pki_qos.index = 0;
 421         pki_qos.mmask.f_tag_type = 1;
 422         pki_qos.mmask.f_port_add = 1;
 423         pki_qos.mmask.f_grp_ok = 1;
 424         pki_qos.mmask.f_grp_bad = 1;
 425         pki_qos.mmask.f_grptag_ok = 1;
 426         pki_qos.mmask.f_grptag_bad = 1;
 427
 428         pki_qos.tag_type = queue_conf->ev.sched_type;
 429         pki_qos.qos_entry.port_add = 0;
 430         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 431         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 432         pki_qos.qos_entry.grptag_bad = 0;
 433         pki_qos.qos_entry.grptag_ok = 0;
 434
 435         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 436         if (ret < 0)
 437                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 438                                 nic->port_id, queue_conf->ev.queue_id);
 439
 440         return ret;
 441 }
 442
 443 static int
 444 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 445                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 446 {
 447         int ret = 0;
 448         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 449         pki_del_qos_t pki_qos;
 450         RTE_SET_USED(dev);
 451         RTE_SET_USED(rx_queue_id);
 452
 453         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 454         if (ret)
 455                 return -EINVAL;
 456
 457         pki_qos.port_type = 0;
 458         pki_qos.index = 0;
 459         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 460         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 461         if (ret < 0)
 462                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 463                                 nic->port_id, queue_conf->ev.queue_id);
 464         return ret;
 465 }
 466
 467 static int
 468 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 469                                         const struct rte_eth_dev *eth_dev)
 470 {
 471         int ret;
 472         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 473         RTE_SET_USED(dev);
 474
 475         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 476         if (ret)
 477                 return 0;
 478         octeontx_pki_port_start(nic->port_id);
 479         return 0;
 480 }
 481
 482
 483 static int
 484 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 485                 const struct rte_eth_dev *eth_dev)
 486 {
 487         int ret;
 488         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 489         RTE_SET_USED(dev);
 490
 491         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 492         if (ret)
 493                 return 0;
 494         octeontx_pki_port_stop(nic->port_id);
 495         return 0;
 496 }
 497
 498 static void
 499 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 500 {
 501         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 502         uint8_t port;
 503
 504         /* Dump SSOWVF debug registers */
 505         for (port = 0; port < edev->nb_event_ports; port++)
 506                 ssows_dump(dev->data->ports[port], f);
 507 }
 508
 509 static int
 510 ssovf_start(struct rte_eventdev *dev)
 511 {
 512         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 513         struct ssows *ws;
 514         uint8_t *base;
 515         uint8_t i;
 516
 517         ssovf_func_trace();
 518         for (i = 0; i < edev->nb_event_ports; i++) {
 519                 ws = dev->data->ports[i];
 520                 ssows_reset(ws);
 521                 ws->swtag_req = 0;
 522         }
 523
 524         for (i = 0; i < edev->nb_event_queues; i++) {
 525                 /* Consume all the events through HWS0 */
 526                 ssows_flush_events(dev->data->ports[0], i);
 527
 528                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 529                 base += SSO_VHGRP_QCTL;
 530                 ssovf_write64(1, base); /* Enable SSO group */
 531         }
 532
 533         ssovf_fastpath_fns_set(dev);
 534         return 0;
 535 }
 536
 537 static void
 538 ssovf_stop(struct rte_eventdev *dev)
 539 {
 540         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 541         struct ssows *ws;
 542         uint8_t *base;
 543         uint8_t i;
 544
 545         ssovf_func_trace();
 546         for (i = 0; i < edev->nb_event_ports; i++) {
 547                 ws = dev->data->ports[i];
 548                 ssows_reset(ws);
 549                 ws->swtag_req = 0;
 550         }
 551
 552         for (i = 0; i < edev->nb_event_queues; i++) {
 553                 /* Consume all the events through HWS0 */
 554                 ssows_flush_events(dev->data->ports[0], i);
 555
 556                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 557                 base += SSO_VHGRP_QCTL;
 558                 ssovf_write64(0, base); /* Disable SSO group */
 559         }
 560 }
 561
 562 static int
 563 ssovf_close(struct rte_eventdev *dev)
 564 {
 565         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 566         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 567         uint8_t i;
 568
 569         for (i = 0; i < edev->nb_event_queues; i++)
 570                 all_queues[i] = i;
 571
 572         for (i = 0; i < edev->nb_event_ports; i++)
 573                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 574                         edev->nb_event_queues);
 575         return 0;
 576 }
 577
 578 /* Initialize and register event driver with DPDK Application */
 579 static const struct rte_eventdev_ops ssovf_ops = {
 580         .dev_infos_get    = ssovf_info_get,
 581         .dev_configure    = ssovf_configure,
 582         .queue_def_conf   = ssovf_queue_def_conf,
 583         .queue_setup      = ssovf_queue_setup,
 584         .queue_release    = ssovf_queue_release,
 585         .port_def_conf    = ssovf_port_def_conf,
 586         .port_setup       = ssovf_port_setup,
 587         .port_release     = ssovf_port_release,
 588         .port_link        = ssovf_port_link,
 589         .port_unlink      = ssovf_port_unlink,
 590         .timeout_ticks    = ssovf_timeout_ticks,
 591
 592         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 593         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 594         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 595         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 596         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 597
 598         .dump             = ssovf_dump,
 599         .dev_start        = ssovf_start,
 600         .dev_stop         = ssovf_stop,
 601         .dev_close        = ssovf_close
 602 };
 603
 604 static int
 605 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 606 {
 607         struct octeontx_ssovf_info oinfo;
 608         struct ssovf_mbox_dev_info info;
 609         struct ssovf_evdev *edev;
 610         struct rte_eventdev *eventdev;
 611         static int ssovf_init_once;
 612         const char *name;
 613         int ret;
 614
 615         name = rte_vdev_device_name(vdev);
 616         /* More than one instance is not supported */
 617         if (ssovf_init_once) {
 618                 ssovf_log_err("Request to create >1 %s instance", name);
 619                 return -EINVAL;
 620         }
 621
 622         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 623                                 rte_socket_id());
 624         if (eventdev == NULL) {
 625                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 626                 return -ENOMEM;
 627         }
 628         eventdev->dev_ops = &ssovf_ops;
 629
 630         /* For secondary processes, the primary has done all the work */
 631         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 632                 ssovf_fastpath_fns_set(eventdev);
 633                 return 0;
 634         }
 635
 636         ret = octeontx_ssovf_info(&oinfo);
 637         if (ret) {
 638                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 639                 goto error;
 640         }
 641
 642         edev = ssovf_pmd_priv(eventdev);
 643         edev->max_event_ports = oinfo.total_ssowvfs;
 644         edev->max_event_queues = oinfo.total_ssovfs;
 645         edev->is_timeout_deq = 0;
 646
 647         ret = ssovf_mbox_dev_info(&info);
 648         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 649                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 650                 goto error;
 651         }
 652
 653         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 654         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 655         edev->max_num_events =  info.max_num_events;
 656         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 657                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 658                         info.max_num_events);
 659
 660         if (!edev->max_event_ports || !edev->max_event_queues) {
 661                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 662                         edev->max_event_queues, edev->max_event_ports);
 663                 ret = -ENODEV;
 664                 goto error;
 665         }
 666
 667         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 668                         name, oinfo.domain, edev->max_event_queues,
 669                         edev->max_event_ports);
 670
 671         ssovf_init_once = 1;
 672         return 0;
 673
 674 error:
 675         rte_event_pmd_vdev_uninit(name);
 676         return ret;
 677 }
 678
 679 static int
 680 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 681 {
 682         const char *name;
 683
 684         name = rte_vdev_device_name(vdev);
 685         ssovf_log_info("Closing %s", name);
 686         return rte_event_pmd_vdev_uninit(name);
 687 }
 688
 689 static struct rte_vdev_driver vdev_ssovf_pmd = {
 690         .probe = ssovf_vdev_probe,
 691         .remove = ssovf_vdev_remove
 692 };
 693
 694 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);