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_driver.h>
  12 #include <rte_event_eth_rx_adapter.h>
  13 #include <rte_kvargs.h>
  14 #include <rte_lcore.h>
  15 #include <rte_log.h>
  16 #include <rte_malloc.h>
  17 #include <rte_memory.h>
  18 #include <rte_bus_vdev.h>
  19
  20 #include "ssovf_evdev.h"
  21 #include "timvf_evdev.h"
  22
  23 int otx_logtype_ssovf;
  24 static uint8_t timvf_enable_stats;
  25
  26 RTE_INIT(otx_ssovf_init_log)
  27 {
  28         otx_logtype_ssovf = rte_log_register("pmd.event.octeontx");
  29         if (otx_logtype_ssovf >= 0)
  30                 rte_log_set_level(otx_logtype_ssovf, RTE_LOG_NOTICE);
  31 }
  32
  33 /* SSOPF Mailbox messages */
  34
  35 struct ssovf_mbox_dev_info {
  36         uint64_t min_deq_timeout_ns;
  37         uint64_t max_deq_timeout_ns;
  38         uint32_t max_num_events;
  39 };
  40
  41 static int
  42 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
  43 {
  44         struct octeontx_mbox_hdr hdr = {0};
  45         uint16_t len = sizeof(struct ssovf_mbox_dev_info);
  46
  47         hdr.coproc = SSO_COPROC;
  48         hdr.msg = SSO_GET_DEV_INFO;
  49         hdr.vfid = 0;
  50
  51         memset(info, 0, len);
  52         return octeontx_mbox_send(&hdr, NULL, 0, info, len);
  53 }
  54
  55 struct ssovf_mbox_getwork_wait {
  56         uint64_t wait_ns;
  57 };
  58
  59 static int
  60 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
  61 {
  62         struct octeontx_mbox_hdr hdr = {0};
  63         struct ssovf_mbox_getwork_wait tmo_set;
  64         uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
  65         int ret;
  66
  67         hdr.coproc = SSO_COPROC;
  68         hdr.msg = SSO_SET_GETWORK_WAIT;
  69         hdr.vfid = 0;
  70
  71         tmo_set.wait_ns = timeout_ns;
  72         ret = octeontx_mbox_send(&hdr, &tmo_set, len, NULL, 0);
  73         if (ret)
  74                 ssovf_log_err("Failed to set getwork timeout(%d)", ret);
  75
  76         return ret;
  77 }
  78
  79 struct ssovf_mbox_grp_pri {
  80         uint8_t vhgrp_id;
  81         uint8_t wgt_left; /* Read only */
  82         uint8_t weight;
  83         uint8_t affinity;
  84         uint8_t priority;
  85 };
  86
  87 static int
  88 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
  89 {
  90         struct octeontx_mbox_hdr hdr = {0};
  91         struct ssovf_mbox_grp_pri grp;
  92         uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
  93         int ret;
  94
  95         hdr.coproc = SSO_COPROC;
  96         hdr.msg = SSO_GRP_SET_PRIORITY;
  97         hdr.vfid = queue;
  98
  99         grp.vhgrp_id = queue;
 100         grp.weight = 0xff;
 101         grp.affinity = 0xff;
 102         grp.priority = prio / 32; /* Normalize to 0 to 7 */
 103
 104         ret = octeontx_mbox_send(&hdr, &grp, len, NULL, 0);
 105         if (ret)
 106                 ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
 107
 108         return ret;
 109 }
 110
 111 struct ssovf_mbox_convert_ns_getworks_iter {
 112         uint64_t wait_ns;
 113         uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
 114 };
 115
 116 static int
 117 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
 118 {
 119         struct octeontx_mbox_hdr hdr = {0};
 120         struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
 121         uint16_t len = sizeof(ns2iter);
 122         int ret;
 123
 124         hdr.coproc = SSO_COPROC;
 125         hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
 126         hdr.vfid = 0;
 127
 128         memset(&ns2iter, 0, len);
 129         ns2iter.wait_ns = ns;
 130         ret = octeontx_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
 131         if (ret < 0 || (ret != len)) {
 132                 ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
 133                 return -EIO;
 134         }
 135
 136         *tmo_ticks = ns2iter.getwork_iter;
 137         return 0;
 138 }
 139
 140 static void
 141 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 142 {
 143         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 144
 145         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 146         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 147         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 148         dev_info->max_event_queues = edev->max_event_queues;
 149         dev_info->max_event_queue_flows = (1ULL << 20);
 150         dev_info->max_event_queue_priority_levels = 8;
 151         dev_info->max_event_priority_levels = 1;
 152         dev_info->max_event_ports = edev->max_event_ports;
 153         dev_info->max_event_port_dequeue_depth = 1;
 154         dev_info->max_event_port_enqueue_depth = 1;
 155         dev_info->max_num_events =  edev->max_num_events;
 156         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 157                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 158                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES|
 159                                         RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
 160                                         RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 161                                         RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 162
 163 }
 164
 165 static int
 166 ssovf_configure(const struct rte_eventdev *dev)
 167 {
 168         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 169         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 170         uint64_t deq_tmo_ns;
 171
 172         ssovf_func_trace();
 173         deq_tmo_ns = conf->dequeue_timeout_ns;
 174         if (deq_tmo_ns == 0)
 175                 deq_tmo_ns = edev->min_deq_timeout_ns;
 176
 177         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 178                 edev->is_timeout_deq = 1;
 179                 deq_tmo_ns = edev->min_deq_timeout_ns;
 180         }
 181         edev->nb_event_queues = conf->nb_event_queues;
 182         edev->nb_event_ports = conf->nb_event_ports;
 183
 184         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 185 }
 186
 187 static void
 188 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 189                                  struct rte_event_queue_conf *queue_conf)
 190 {
 191         RTE_SET_USED(dev);
 192         RTE_SET_USED(queue_id);
 193
 194         queue_conf->nb_atomic_flows = (1ULL << 20);
 195         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 196         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 197         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 198 }
 199
 200 static void
 201 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 202 {
 203         RTE_SET_USED(dev);
 204         RTE_SET_USED(queue_id);
 205 }
 206
 207 static int
 208 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 209                               const struct rte_event_queue_conf *queue_conf)
 210 {
 211         RTE_SET_USED(dev);
 212         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 213
 214         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 215 }
 216
 217 static void
 218 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 219                                  struct rte_event_port_conf *port_conf)
 220 {
 221         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 222
 223         RTE_SET_USED(port_id);
 224         port_conf->new_event_threshold = edev->max_num_events;
 225         port_conf->dequeue_depth = 1;
 226         port_conf->enqueue_depth = 1;
 227         port_conf->disable_implicit_release = 0;
 228 }
 229
 230 static void
 231 ssovf_port_release(void *port)
 232 {
 233         rte_free(port);
 234 }
 235
 236 static int
 237 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 238                                 const struct rte_event_port_conf *port_conf)
 239 {
 240         struct ssows *ws;
 241         uint32_t reg_off;
 242         uint8_t q;
 243         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 244
 245         ssovf_func_trace("port=%d", port_id);
 246         RTE_SET_USED(port_conf);
 247
 248         /* Free memory prior to re-allocation if needed */
 249         if (dev->data->ports[port_id] != NULL) {
 250                 ssovf_port_release(dev->data->ports[port_id]);
 251                 dev->data->ports[port_id] = NULL;
 252         }
 253
 254         /* Allocate event port memory */
 255         ws = rte_zmalloc_socket("eventdev ssows",
 256                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 257                         dev->data->socket_id);
 258         if (ws == NULL) {
 259                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 260                 return -ENOMEM;
 261         }
 262
 263         ws->base = ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 264         if (ws->base == NULL) {
 265                 rte_free(ws);
 266                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 267                 return -EINVAL;
 268         }
 269
 270         reg_off = SSOW_VHWS_OP_GET_WORK0;
 271         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 272         reg_off |= 1 << 16; /* Wait */
 273         ws->getwork = ws->base + reg_off;
 274         ws->port = port_id;
 275
 276         for (q = 0; q < edev->nb_event_queues; q++) {
 277                 ws->grps[q] = ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 278                 if (ws->grps[q] == NULL) {
 279                         rte_free(ws);
 280                         ssovf_log_err("Failed to get grp%d base addr", q);
 281                         return -EINVAL;
 282                 }
 283         }
 284
 285         dev->data->ports[port_id] = ws;
 286         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 287         return 0;
 288 }
 289
 290 static int
 291 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 292                 const uint8_t priorities[], uint16_t nb_links)
 293 {
 294         uint16_t link;
 295         uint64_t val;
 296         struct ssows *ws = port;
 297
 298         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 299         RTE_SET_USED(dev);
 300         RTE_SET_USED(priorities);
 301
 302         for (link = 0; link < nb_links; link++) {
 303                 val = queues[link];
 304                 val |= (1ULL << 24); /* Set membership */
 305                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 306         }
 307         return (int)nb_links;
 308 }
 309
 310 static int
 311 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 312                         uint16_t nb_unlinks)
 313 {
 314         uint16_t unlink;
 315         uint64_t val;
 316         struct ssows *ws = port;
 317
 318         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 319         RTE_SET_USED(dev);
 320
 321         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 322                 val = queues[unlink];
 323                 val &= ~(1ULL << 24); /* Clear membership */
 324                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 325         }
 326         return (int)nb_unlinks;
 327 }
 328
 329 static int
 330 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 331 {
 332         RTE_SET_USED(dev);
 333
 334         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 335 }
 336
 337 static void
 338 ssows_dump(struct ssows *ws, FILE *f)
 339 {
 340         uint8_t *base = ws->base;
 341         uint64_t val;
 342
 343         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 344         val = ssovf_read64(base + SSOW_VHWS_TAG);
 345         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 346                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 347                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 348                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 349                 (int)(val >> 63) & 0x1);
 350
 351         val = ssovf_read64(base + SSOW_VHWS_WQP);
 352         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 353
 354         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 355         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 356                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 357                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 358                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 359
 360         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 361         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 362                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 363                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 364                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 365                 (int)(val >> 63) & 0x1);
 366
 367         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 368         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 369 }
 370
 371 static int
 372 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 373                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 374 {
 375         int ret;
 376         RTE_SET_USED(dev);
 377
 378         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 379         if (ret)
 380                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 381         else
 382                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 383
 384         return 0;
 385 }
 386
 387 static int
 388 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 389                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 390                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 391 {
 392         int ret = 0;
 393         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 394         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 395         pki_mod_qos_t pki_qos;
 396         RTE_SET_USED(dev);
 397
 398         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 399         if (ret)
 400                 return -EINVAL;
 401
 402         if (rx_queue_id >= 0)
 403                 return -EINVAL;
 404
 405         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 406                 return -ENOTSUP;
 407
 408         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 409
 410         pki_qos.port_type = 0;
 411         pki_qos.index = 0;
 412         pki_qos.mmask.f_tag_type = 1;
 413         pki_qos.mmask.f_port_add = 1;
 414         pki_qos.mmask.f_grp_ok = 1;
 415         pki_qos.mmask.f_grp_bad = 1;
 416         pki_qos.mmask.f_grptag_ok = 1;
 417         pki_qos.mmask.f_grptag_bad = 1;
 418
 419         pki_qos.qos_entry.tag_type = queue_conf->ev.sched_type;
 420         pki_qos.qos_entry.port_add = 0;
 421         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 422         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 423         pki_qos.qos_entry.grptag_bad = 0;
 424         pki_qos.qos_entry.grptag_ok = 0;
 425
 426         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 427         if (ret < 0)
 428                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 429                                 nic->port_id, queue_conf->ev.queue_id);
 430
 431         edev->rx_offload_flags = nic->rx_offload_flags;
 432         edev->tx_offload_flags = nic->tx_offload_flags;
 433         return ret;
 434 }
 435
 436 static int
 437 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 438                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 439 {
 440         int ret = 0;
 441         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 442         pki_del_qos_t pki_qos;
 443         RTE_SET_USED(dev);
 444
 445         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 446         if (ret)
 447                 return -EINVAL;
 448
 449         pki_qos.port_type = 0;
 450         pki_qos.index = 0;
 451         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 452         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 453         if (ret < 0)
 454                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 455                                 nic->port_id, rx_queue_id);
 456         return ret;
 457 }
 458
 459 static int
 460 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 461                                         const struct rte_eth_dev *eth_dev)
 462 {
 463         RTE_SET_USED(dev);
 464         RTE_SET_USED(eth_dev);
 465
 466         return 0;
 467 }
 468
 469
 470 static int
 471 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 472                 const struct rte_eth_dev *eth_dev)
 473 {
 474         RTE_SET_USED(dev);
 475         RTE_SET_USED(eth_dev);
 476
 477         return 0;
 478 }
 479
 480 static int
 481 ssovf_eth_tx_adapter_caps_get(const struct rte_eventdev *dev,
 482                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 483 {
 484         int ret;
 485         RTE_SET_USED(dev);
 486
 487         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 488         if (ret)
 489                 *caps = 0;
 490         else
 491                 *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
 492
 493         return 0;
 494 }
 495
 496 static int
 497 ssovf_eth_tx_adapter_create(uint8_t id, const struct rte_eventdev *dev)
 498 {
 499         RTE_SET_USED(id);
 500         RTE_SET_USED(dev);
 501         return 0;
 502 }
 503
 504 static int
 505 ssovf_eth_tx_adapter_free(uint8_t id, const struct rte_eventdev *dev)
 506 {
 507         RTE_SET_USED(id);
 508         RTE_SET_USED(dev);
 509         return 0;
 510 }
 511
 512 static int
 513 ssovf_eth_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *dev,
 514                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 515 {
 516         RTE_SET_USED(id);
 517         RTE_SET_USED(dev);
 518         RTE_SET_USED(eth_dev);
 519         RTE_SET_USED(tx_queue_id);
 520         return 0;
 521 }
 522
 523 static int
 524 ssovf_eth_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *dev,
 525                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 526 {
 527         RTE_SET_USED(id);
 528         RTE_SET_USED(dev);
 529         RTE_SET_USED(eth_dev);
 530         RTE_SET_USED(tx_queue_id);
 531         return 0;
 532 }
 533
 534 static int
 535 ssovf_eth_tx_adapter_start(uint8_t id, const struct rte_eventdev *dev)
 536 {
 537         RTE_SET_USED(id);
 538         RTE_SET_USED(dev);
 539         return 0;
 540 }
 541
 542 static int
 543 ssovf_eth_tx_adapter_stop(uint8_t id, const struct rte_eventdev *dev)
 544 {
 545         RTE_SET_USED(id);
 546         RTE_SET_USED(dev);
 547         return 0;
 548 }
 549
 550
 551 static void
 552 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 553 {
 554         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 555         uint8_t port;
 556
 557         /* Dump SSOWVF debug registers */
 558         for (port = 0; port < edev->nb_event_ports; port++)
 559                 ssows_dump(dev->data->ports[port], f);
 560 }
 561
 562 static int
 563 ssovf_start(struct rte_eventdev *dev)
 564 {
 565         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 566         struct ssows *ws;
 567         uint8_t *base;
 568         uint8_t i;
 569
 570         ssovf_func_trace();
 571         for (i = 0; i < edev->nb_event_ports; i++) {
 572                 ws = dev->data->ports[i];
 573                 ssows_reset(ws);
 574                 ws->swtag_req = 0;
 575         }
 576
 577         for (i = 0; i < edev->nb_event_queues; i++) {
 578                 /* Consume all the events through HWS0 */
 579                 ssows_flush_events(dev->data->ports[0], i, NULL, NULL);
 580
 581                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 582                 base += SSO_VHGRP_QCTL;
 583                 ssovf_write64(1, base); /* Enable SSO group */
 584         }
 585
 586         ssovf_fastpath_fns_set(dev);
 587         return 0;
 588 }
 589
 590 static void
 591 ssows_handle_event(void *arg, struct rte_event event)
 592 {
 593         struct rte_eventdev *dev = arg;
 594
 595         if (dev->dev_ops->dev_stop_flush != NULL)
 596                 dev->dev_ops->dev_stop_flush(dev->data->dev_id, event,
 597                                         dev->data->dev_stop_flush_arg);
 598 }
 599
 600 static void
 601 ssovf_stop(struct rte_eventdev *dev)
 602 {
 603         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 604         struct ssows *ws;
 605         uint8_t *base;
 606         uint8_t i;
 607
 608         ssovf_func_trace();
 609         for (i = 0; i < edev->nb_event_ports; i++) {
 610                 ws = dev->data->ports[i];
 611                 ssows_reset(ws);
 612                 ws->swtag_req = 0;
 613         }
 614
 615         for (i = 0; i < edev->nb_event_queues; i++) {
 616                 /* Consume all the events through HWS0 */
 617                 ssows_flush_events(dev->data->ports[0], i,
 618                                 ssows_handle_event, dev);
 619
 620                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 621                 base += SSO_VHGRP_QCTL;
 622                 ssovf_write64(0, base); /* Disable SSO group */
 623         }
 624 }
 625
 626 static int
 627 ssovf_close(struct rte_eventdev *dev)
 628 {
 629         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 630         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 631         uint8_t i;
 632
 633         for (i = 0; i < edev->nb_event_queues; i++)
 634                 all_queues[i] = i;
 635
 636         for (i = 0; i < edev->nb_event_ports; i++)
 637                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 638                         edev->nb_event_queues);
 639         return 0;
 640 }
 641
 642 static int
 643 ssovf_selftest(const char *key __rte_unused, const char *value,
 644                 void *opaque)
 645 {
 646         int *flag = opaque;
 647         *flag = !!atoi(value);
 648         return 0;
 649 }
 650
 651 static int
 652 ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
 653                 uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
 654 {
 655         return timvf_timer_adapter_caps_get(dev, flags, caps, ops,
 656                         timvf_enable_stats);
 657 }
 658
 659 /* Initialize and register event driver with DPDK Application */
 660 static struct rte_eventdev_ops ssovf_ops = {
 661         .dev_infos_get    = ssovf_info_get,
 662         .dev_configure    = ssovf_configure,
 663         .queue_def_conf   = ssovf_queue_def_conf,
 664         .queue_setup      = ssovf_queue_setup,
 665         .queue_release    = ssovf_queue_release,
 666         .port_def_conf    = ssovf_port_def_conf,
 667         .port_setup       = ssovf_port_setup,
 668         .port_release     = ssovf_port_release,
 669         .port_link        = ssovf_port_link,
 670         .port_unlink      = ssovf_port_unlink,
 671         .timeout_ticks    = ssovf_timeout_ticks,
 672
 673         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 674         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 675         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 676         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 677         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 678
 679         .eth_tx_adapter_caps_get = ssovf_eth_tx_adapter_caps_get,
 680         .eth_tx_adapter_create = ssovf_eth_tx_adapter_create,
 681         .eth_tx_adapter_free = ssovf_eth_tx_adapter_free,
 682         .eth_tx_adapter_queue_add = ssovf_eth_tx_adapter_queue_add,
 683         .eth_tx_adapter_queue_del = ssovf_eth_tx_adapter_queue_del,
 684         .eth_tx_adapter_start = ssovf_eth_tx_adapter_start,
 685         .eth_tx_adapter_stop = ssovf_eth_tx_adapter_stop,
 686
 687         .timer_adapter_caps_get = ssovf_timvf_caps_get,
 688
 689         .dev_selftest = test_eventdev_octeontx,
 690
 691         .dump             = ssovf_dump,
 692         .dev_start        = ssovf_start,
 693         .dev_stop         = ssovf_stop,
 694         .dev_close        = ssovf_close
 695 };
 696
 697 static int
 698 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 699 {
 700         struct ssovf_info oinfo;
 701         struct ssovf_mbox_dev_info info;
 702         struct ssovf_evdev *edev;
 703         struct rte_eventdev *eventdev;
 704         static int ssovf_init_once;
 705         const char *name;
 706         const char *params;
 707         int ret;
 708         int selftest = 0;
 709
 710         static const char *const args[] = {
 711                 SSOVF_SELFTEST_ARG,
 712                 TIMVF_ENABLE_STATS_ARG,
 713                 NULL
 714         };
 715
 716         name = rte_vdev_device_name(vdev);
 717         /* More than one instance is not supported */
 718         if (ssovf_init_once) {
 719                 ssovf_log_err("Request to create >1 %s instance", name);
 720                 return -EINVAL;
 721         }
 722
 723         params = rte_vdev_device_args(vdev);
 724         if (params != NULL && params[0] != '\0') {
 725                 struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
 726
 727                 if (!kvlist) {
 728                         ssovf_log_info(
 729                                 "Ignoring unsupported params supplied '%s'",
 730                                 name);
 731                 } else {
 732                         int ret = rte_kvargs_process(kvlist,
 733                                         SSOVF_SELFTEST_ARG,
 734                                         ssovf_selftest, &selftest);
 735                         if (ret != 0) {
 736                                 ssovf_log_err("%s: Error in selftest", name);
 737                                 rte_kvargs_free(kvlist);
 738                                 return ret;
 739                         }
 740
 741                         ret = rte_kvargs_process(kvlist,
 742                                         TIMVF_ENABLE_STATS_ARG,
 743                                         ssovf_selftest, &timvf_enable_stats);
 744                         if (ret != 0) {
 745                                 ssovf_log_err("%s: Error in timvf stats", name);
 746                                 rte_kvargs_free(kvlist);
 747                                 return ret;
 748                         }
 749                 }
 750
 751                 rte_kvargs_free(kvlist);
 752         }
 753
 754         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 755                                 rte_socket_id());
 756         if (eventdev == NULL) {
 757                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 758                 return -ENOMEM;
 759         }
 760         eventdev->dev_ops = &ssovf_ops;
 761
 762         /* For secondary processes, the primary has done all the work */
 763         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 764                 ssovf_fastpath_fns_set(eventdev);
 765                 return 0;
 766         }
 767
 768         octeontx_mbox_init();
 769         ret = ssovf_info(&oinfo);
 770         if (ret) {
 771                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 772                 goto error;
 773         }
 774
 775         edev = ssovf_pmd_priv(eventdev);
 776         edev->max_event_ports = oinfo.total_ssowvfs;
 777         edev->max_event_queues = oinfo.total_ssovfs;
 778         edev->is_timeout_deq = 0;
 779
 780         ret = ssovf_mbox_dev_info(&info);
 781         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 782                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 783                 goto error;
 784         }
 785
 786         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 787         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 788         edev->max_num_events =  info.max_num_events;
 789         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 790                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 791                         info.max_num_events);
 792
 793         if (!edev->max_event_ports || !edev->max_event_queues) {
 794                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 795                         edev->max_event_queues, edev->max_event_ports);
 796                 ret = -ENODEV;
 797                 goto error;
 798         }
 799
 800         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 801                         name, oinfo.domain, edev->max_event_queues,
 802                         edev->max_event_ports);
 803
 804         ssovf_init_once = 1;
 805         if (selftest)
 806                 test_eventdev_octeontx();
 807         return 0;
 808
 809 error:
 810         rte_event_pmd_vdev_uninit(name);
 811         return ret;
 812 }
 813
 814 static int
 815 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 816 {
 817         const char *name;
 818
 819         name = rte_vdev_device_name(vdev);
 820         ssovf_log_info("Closing %s", name);
 821         return rte_event_pmd_vdev_uninit(name);
 822 }
 823
 824 static struct rte_vdev_driver vdev_ssovf_pmd = {
 825         .probe = ssovf_vdev_probe,
 826         .remove = ssovf_vdev_remove
 827 };
 828
 829 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);