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                                         RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
 175                                         RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 176                                         RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 177
 178 }
 179
 180 static int
 181 ssovf_configure(const struct rte_eventdev *dev)
 182 {
 183         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 184         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 185         uint64_t deq_tmo_ns;
 186
 187         ssovf_func_trace();
 188         deq_tmo_ns = conf->dequeue_timeout_ns;
 189         if (deq_tmo_ns == 0)
 190                 deq_tmo_ns = edev->min_deq_timeout_ns;
 191
 192         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 193                 edev->is_timeout_deq = 1;
 194                 deq_tmo_ns = edev->min_deq_timeout_ns;
 195         }
 196         edev->nb_event_queues = conf->nb_event_queues;
 197         edev->nb_event_ports = conf->nb_event_ports;
 198
 199         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 200 }
 201
 202 static void
 203 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 204                                  struct rte_event_queue_conf *queue_conf)
 205 {
 206         RTE_SET_USED(dev);
 207         RTE_SET_USED(queue_id);
 208
 209         queue_conf->nb_atomic_flows = (1ULL << 20);
 210         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 211         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 212         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 213 }
 214
 215 static void
 216 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 217 {
 218         RTE_SET_USED(dev);
 219         RTE_SET_USED(queue_id);
 220 }
 221
 222 static int
 223 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 224                               const struct rte_event_queue_conf *queue_conf)
 225 {
 226         RTE_SET_USED(dev);
 227         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 228
 229         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 230 }
 231
 232 static void
 233 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 234                                  struct rte_event_port_conf *port_conf)
 235 {
 236         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 237
 238         RTE_SET_USED(port_id);
 239         port_conf->new_event_threshold = edev->max_num_events;
 240         port_conf->dequeue_depth = 1;
 241         port_conf->enqueue_depth = 1;
 242         port_conf->disable_implicit_release = 0;
 243 }
 244
 245 static void
 246 ssovf_port_release(void *port)
 247 {
 248         rte_free(port);
 249 }
 250
 251 static int
 252 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 253                                 const struct rte_event_port_conf *port_conf)
 254 {
 255         struct ssows *ws;
 256         uint32_t reg_off;
 257         uint8_t q;
 258         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 259
 260         ssovf_func_trace("port=%d", port_id);
 261         RTE_SET_USED(port_conf);
 262
 263         /* Free memory prior to re-allocation if needed */
 264         if (dev->data->ports[port_id] != NULL) {
 265                 ssovf_port_release(dev->data->ports[port_id]);
 266                 dev->data->ports[port_id] = NULL;
 267         }
 268
 269         /* Allocate event port memory */
 270         ws = rte_zmalloc_socket("eventdev ssows",
 271                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 272                         dev->data->socket_id);
 273         if (ws == NULL) {
 274                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 275                 return -ENOMEM;
 276         }
 277
 278         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 279         if (ws->base == NULL) {
 280                 rte_free(ws);
 281                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 282                 return -EINVAL;
 283         }
 284
 285         reg_off = SSOW_VHWS_OP_GET_WORK0;
 286         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 287         reg_off |= 1 << 16; /* Wait */
 288         ws->getwork = ws->base + reg_off;
 289         ws->port = port_id;
 290
 291         for (q = 0; q < edev->nb_event_queues; q++) {
 292                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 293                 if (ws->grps[q] == NULL) {
 294                         rte_free(ws);
 295                         ssovf_log_err("Failed to get grp%d base addr", q);
 296                         return -EINVAL;
 297                 }
 298         }
 299
 300         dev->data->ports[port_id] = ws;
 301         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 302         return 0;
 303 }
 304
 305 static int
 306 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 307                 const uint8_t priorities[], uint16_t nb_links)
 308 {
 309         uint16_t link;
 310         uint64_t val;
 311         struct ssows *ws = port;
 312
 313         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 314         RTE_SET_USED(dev);
 315         RTE_SET_USED(priorities);
 316
 317         for (link = 0; link < nb_links; link++) {
 318                 val = queues[link];
 319                 val |= (1ULL << 24); /* Set membership */
 320                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 321         }
 322         return (int)nb_links;
 323 }
 324
 325 static int
 326 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 327                         uint16_t nb_unlinks)
 328 {
 329         uint16_t unlink;
 330         uint64_t val;
 331         struct ssows *ws = port;
 332
 333         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 334         RTE_SET_USED(dev);
 335
 336         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 337                 val = queues[unlink];
 338                 val &= ~(1ULL << 24); /* Clear membership */
 339                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 340         }
 341         return (int)nb_unlinks;
 342 }
 343
 344 static int
 345 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 346 {
 347         RTE_SET_USED(dev);
 348
 349         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 350 }
 351
 352 static void
 353 ssows_dump(struct ssows *ws, FILE *f)
 354 {
 355         uint8_t *base = ws->base;
 356         uint64_t val;
 357
 358         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 359         val = ssovf_read64(base + SSOW_VHWS_TAG);
 360         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 361                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 362                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 363                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 364                 (int)(val >> 63) & 0x1);
 365
 366         val = ssovf_read64(base + SSOW_VHWS_WQP);
 367         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 368
 369         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 370         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 371                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 372                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 373                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 374
 375         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 376         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 377                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 378                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 379                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 380                 (int)(val >> 63) & 0x1);
 381
 382         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 383         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 384 }
 385
 386 static int
 387 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 388                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 389 {
 390         int ret;
 391         RTE_SET_USED(dev);
 392
 393         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 394         if (ret)
 395                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 396         else
 397                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 398
 399         return 0;
 400 }
 401
 402 static int
 403 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 404                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 405                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 406 {
 407         int ret = 0;
 408         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 409         pki_mod_qos_t pki_qos;
 410         RTE_SET_USED(dev);
 411
 412         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 413         if (ret)
 414                 return -EINVAL;
 415
 416         if (rx_queue_id >= 0)
 417                 return -EINVAL;
 418
 419         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 420                 return -ENOTSUP;
 421
 422         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 423
 424         pki_qos.port_type = 0;
 425         pki_qos.index = 0;
 426         pki_qos.mmask.f_tag_type = 1;
 427         pki_qos.mmask.f_port_add = 1;
 428         pki_qos.mmask.f_grp_ok = 1;
 429         pki_qos.mmask.f_grp_bad = 1;
 430         pki_qos.mmask.f_grptag_ok = 1;
 431         pki_qos.mmask.f_grptag_bad = 1;
 432
 433         pki_qos.tag_type = queue_conf->ev.sched_type;
 434         pki_qos.qos_entry.port_add = 0;
 435         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 436         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 437         pki_qos.qos_entry.grptag_bad = 0;
 438         pki_qos.qos_entry.grptag_ok = 0;
 439
 440         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 441         if (ret < 0)
 442                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 443                                 nic->port_id, queue_conf->ev.queue_id);
 444
 445         return ret;
 446 }
 447
 448 static int
 449 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 450                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 451 {
 452         int ret = 0;
 453         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 454         pki_del_qos_t pki_qos;
 455         RTE_SET_USED(dev);
 456         RTE_SET_USED(rx_queue_id);
 457
 458         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 459         if (ret)
 460                 return -EINVAL;
 461
 462         pki_qos.port_type = 0;
 463         pki_qos.index = 0;
 464         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 465         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 466         if (ret < 0)
 467                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 468                                 nic->port_id, queue_conf->ev.queue_id);
 469         return ret;
 470 }
 471
 472 static int
 473 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 474                                         const struct rte_eth_dev *eth_dev)
 475 {
 476         int ret;
 477         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 478         RTE_SET_USED(dev);
 479
 480         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 481         if (ret)
 482                 return 0;
 483         octeontx_pki_port_start(nic->port_id);
 484         return 0;
 485 }
 486
 487
 488 static int
 489 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 490                 const struct rte_eth_dev *eth_dev)
 491 {
 492         int ret;
 493         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 494         RTE_SET_USED(dev);
 495
 496         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 497         if (ret)
 498                 return 0;
 499         octeontx_pki_port_stop(nic->port_id);
 500         return 0;
 501 }
 502
 503 static void
 504 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 505 {
 506         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 507         uint8_t port;
 508
 509         /* Dump SSOWVF debug registers */
 510         for (port = 0; port < edev->nb_event_ports; port++)
 511                 ssows_dump(dev->data->ports[port], f);
 512 }
 513
 514 static int
 515 ssovf_start(struct rte_eventdev *dev)
 516 {
 517         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 518         struct ssows *ws;
 519         uint8_t *base;
 520         uint8_t i;
 521
 522         ssovf_func_trace();
 523         for (i = 0; i < edev->nb_event_ports; i++) {
 524                 ws = dev->data->ports[i];
 525                 ssows_reset(ws);
 526                 ws->swtag_req = 0;
 527         }
 528
 529         for (i = 0; i < edev->nb_event_queues; i++) {
 530                 /* Consume all the events through HWS0 */
 531                 ssows_flush_events(dev->data->ports[0], i);
 532
 533                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 534                 base += SSO_VHGRP_QCTL;
 535                 ssovf_write64(1, base); /* Enable SSO group */
 536         }
 537
 538         ssovf_fastpath_fns_set(dev);
 539         return 0;
 540 }
 541
 542 static void
 543 ssovf_stop(struct rte_eventdev *dev)
 544 {
 545         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 546         struct ssows *ws;
 547         uint8_t *base;
 548         uint8_t i;
 549
 550         ssovf_func_trace();
 551         for (i = 0; i < edev->nb_event_ports; i++) {
 552                 ws = dev->data->ports[i];
 553                 ssows_reset(ws);
 554                 ws->swtag_req = 0;
 555         }
 556
 557         for (i = 0; i < edev->nb_event_queues; i++) {
 558                 /* Consume all the events through HWS0 */
 559                 ssows_flush_events(dev->data->ports[0], i);
 560
 561                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 562                 base += SSO_VHGRP_QCTL;
 563                 ssovf_write64(0, base); /* Disable SSO group */
 564         }
 565 }
 566
 567 static int
 568 ssovf_close(struct rte_eventdev *dev)
 569 {
 570         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 571         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 572         uint8_t i;
 573
 574         for (i = 0; i < edev->nb_event_queues; i++)
 575                 all_queues[i] = i;
 576
 577         for (i = 0; i < edev->nb_event_ports; i++)
 578                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 579                         edev->nb_event_queues);
 580         return 0;
 581 }
 582
 583 /* Initialize and register event driver with DPDK Application */
 584 static const struct rte_eventdev_ops ssovf_ops = {
 585         .dev_infos_get    = ssovf_info_get,
 586         .dev_configure    = ssovf_configure,
 587         .queue_def_conf   = ssovf_queue_def_conf,
 588         .queue_setup      = ssovf_queue_setup,
 589         .queue_release    = ssovf_queue_release,
 590         .port_def_conf    = ssovf_port_def_conf,
 591         .port_setup       = ssovf_port_setup,
 592         .port_release     = ssovf_port_release,
 593         .port_link        = ssovf_port_link,
 594         .port_unlink      = ssovf_port_unlink,
 595         .timeout_ticks    = ssovf_timeout_ticks,
 596
 597         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 598         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 599         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 600         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 601         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 602
 603         .dump             = ssovf_dump,
 604         .dev_start        = ssovf_start,
 605         .dev_stop         = ssovf_stop,
 606         .dev_close        = ssovf_close
 607 };
 608
 609 static int
 610 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 611 {
 612         struct octeontx_ssovf_info oinfo;
 613         struct ssovf_mbox_dev_info info;
 614         struct ssovf_evdev *edev;
 615         struct rte_eventdev *eventdev;
 616         static int ssovf_init_once;
 617         const char *name;
 618         int ret;
 619
 620         name = rte_vdev_device_name(vdev);
 621         /* More than one instance is not supported */
 622         if (ssovf_init_once) {
 623                 ssovf_log_err("Request to create >1 %s instance", name);
 624                 return -EINVAL;
 625         }
 626
 627         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 628                                 rte_socket_id());
 629         if (eventdev == NULL) {
 630                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 631                 return -ENOMEM;
 632         }
 633         eventdev->dev_ops = &ssovf_ops;
 634
 635         /* For secondary processes, the primary has done all the work */
 636         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 637                 ssovf_fastpath_fns_set(eventdev);
 638                 return 0;
 639         }
 640
 641         ret = octeontx_ssovf_info(&oinfo);
 642         if (ret) {
 643                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 644                 goto error;
 645         }
 646
 647         edev = ssovf_pmd_priv(eventdev);
 648         edev->max_event_ports = oinfo.total_ssowvfs;
 649         edev->max_event_queues = oinfo.total_ssovfs;
 650         edev->is_timeout_deq = 0;
 651
 652         ret = ssovf_mbox_dev_info(&info);
 653         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 654                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 655                 goto error;
 656         }
 657
 658         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 659         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 660         edev->max_num_events =  info.max_num_events;
 661         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 662                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 663                         info.max_num_events);
 664
 665         if (!edev->max_event_ports || !edev->max_event_queues) {
 666                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 667                         edev->max_event_queues, edev->max_event_ports);
 668                 ret = -ENODEV;
 669                 goto error;
 670         }
 671
 672         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 673                         name, oinfo.domain, edev->max_event_queues,
 674                         edev->max_event_ports);
 675
 676         ssovf_init_once = 1;
 677         return 0;
 678
 679 error:
 680         rte_event_pmd_vdev_uninit(name);
 681         return ret;
 682 }
 683
 684 static int
 685 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 686 {
 687         const char *name;
 688
 689         name = rte_vdev_device_name(vdev);
 690         ssovf_log_info("Closing %s", name);
 691         return rte_event_pmd_vdev_uninit(name);
 692 }
 693
 694 static struct rte_vdev_driver vdev_ssovf_pmd = {
 695         .probe = ssovf_vdev_probe,
 696         .remove = ssovf_vdev_remove
 697 };
 698
 699 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);