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 wgt_left; /* Read only */
  81         uint8_t weight;
  82         uint8_t affinity;
  83         uint8_t priority;
  84 };
  85
  86 static int
  87 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
  88 {
  89         struct octeontx_mbox_hdr hdr = {0};
  90         struct ssovf_mbox_grp_pri grp;
  91         uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
  92         int ret;
  93
  94         hdr.coproc = SSO_COPROC;
  95         hdr.msg = SSO_GRP_SET_PRIORITY;
  96         hdr.vfid = queue;
  97
  98         grp.weight = 0xff;
  99         grp.affinity = 0xff;
 100         grp.priority = prio / 32; /* Normalize to 0 to 7 */
 101
 102         ret = octeontx_mbox_send(&hdr, &grp, len, NULL, 0);
 103         if (ret)
 104                 ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
 105
 106         return ret;
 107 }
 108
 109 struct ssovf_mbox_convert_ns_getworks_iter {
 110         uint64_t wait_ns;
 111         uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
 112 };
 113
 114 static int
 115 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
 116 {
 117         struct octeontx_mbox_hdr hdr = {0};
 118         struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
 119         uint16_t len = sizeof(ns2iter);
 120         int ret;
 121
 122         hdr.coproc = SSO_COPROC;
 123         hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
 124         hdr.vfid = 0;
 125
 126         memset(&ns2iter, 0, len);
 127         ns2iter.wait_ns = ns;
 128         ret = octeontx_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
 129         if (ret < 0 || (ret != len)) {
 130                 ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
 131                 return -EIO;
 132         }
 133
 134         *tmo_ticks = ns2iter.getwork_iter;
 135         return 0;
 136 }
 137
 138 static void
 139 ssovf_fastpath_fns_set(struct rte_eventdev *dev)
 140 {
 141         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 142
 143         dev->enqueue       = ssows_enq;
 144         dev->enqueue_burst = ssows_enq_burst;
 145         dev->enqueue_new_burst = ssows_enq_new_burst;
 146         dev->enqueue_forward_burst = ssows_enq_fwd_burst;
 147         dev->dequeue       = ssows_deq;
 148         dev->dequeue_burst = ssows_deq_burst;
 149         dev->txa_enqueue = sso_event_tx_adapter_enqueue;
 150
 151         if (edev->is_timeout_deq) {
 152                 dev->dequeue       = ssows_deq_timeout;
 153                 dev->dequeue_burst = ssows_deq_timeout_burst;
 154         }
 155 }
 156
 157 static void
 158 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 159 {
 160         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 161
 162         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 163         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 164         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 165         dev_info->max_event_queues = edev->max_event_queues;
 166         dev_info->max_event_queue_flows = (1ULL << 20);
 167         dev_info->max_event_queue_priority_levels = 8;
 168         dev_info->max_event_priority_levels = 1;
 169         dev_info->max_event_ports = edev->max_event_ports;
 170         dev_info->max_event_port_dequeue_depth = 1;
 171         dev_info->max_event_port_enqueue_depth = 1;
 172         dev_info->max_num_events =  edev->max_num_events;
 173         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 174                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 175                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES|
 176                                         RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
 177                                         RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 178                                         RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 179
 180 }
 181
 182 static int
 183 ssovf_configure(const struct rte_eventdev *dev)
 184 {
 185         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 186         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 187         uint64_t deq_tmo_ns;
 188
 189         ssovf_func_trace();
 190         deq_tmo_ns = conf->dequeue_timeout_ns;
 191         if (deq_tmo_ns == 0)
 192                 deq_tmo_ns = edev->min_deq_timeout_ns;
 193
 194         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 195                 edev->is_timeout_deq = 1;
 196                 deq_tmo_ns = edev->min_deq_timeout_ns;
 197         }
 198         edev->nb_event_queues = conf->nb_event_queues;
 199         edev->nb_event_ports = conf->nb_event_ports;
 200
 201         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 202 }
 203
 204 static void
 205 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 206                                  struct rte_event_queue_conf *queue_conf)
 207 {
 208         RTE_SET_USED(dev);
 209         RTE_SET_USED(queue_id);
 210
 211         queue_conf->nb_atomic_flows = (1ULL << 20);
 212         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 213         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 214         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 215 }
 216
 217 static void
 218 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 219 {
 220         RTE_SET_USED(dev);
 221         RTE_SET_USED(queue_id);
 222 }
 223
 224 static int
 225 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 226                               const struct rte_event_queue_conf *queue_conf)
 227 {
 228         RTE_SET_USED(dev);
 229         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 230
 231         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 232 }
 233
 234 static void
 235 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 236                                  struct rte_event_port_conf *port_conf)
 237 {
 238         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 239
 240         RTE_SET_USED(port_id);
 241         port_conf->new_event_threshold = edev->max_num_events;
 242         port_conf->dequeue_depth = 1;
 243         port_conf->enqueue_depth = 1;
 244         port_conf->disable_implicit_release = 0;
 245 }
 246
 247 static void
 248 ssovf_port_release(void *port)
 249 {
 250         rte_free(port);
 251 }
 252
 253 static int
 254 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 255                                 const struct rte_event_port_conf *port_conf)
 256 {
 257         struct ssows *ws;
 258         uint32_t reg_off;
 259         uint8_t q;
 260         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 261
 262         ssovf_func_trace("port=%d", port_id);
 263         RTE_SET_USED(port_conf);
 264
 265         /* Free memory prior to re-allocation if needed */
 266         if (dev->data->ports[port_id] != NULL) {
 267                 ssovf_port_release(dev->data->ports[port_id]);
 268                 dev->data->ports[port_id] = NULL;
 269         }
 270
 271         /* Allocate event port memory */
 272         ws = rte_zmalloc_socket("eventdev ssows",
 273                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 274                         dev->data->socket_id);
 275         if (ws == NULL) {
 276                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 277                 return -ENOMEM;
 278         }
 279
 280         ws->base = ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 281         if (ws->base == NULL) {
 282                 rte_free(ws);
 283                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 284                 return -EINVAL;
 285         }
 286
 287         reg_off = SSOW_VHWS_OP_GET_WORK0;
 288         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 289         reg_off |= 1 << 16; /* Wait */
 290         ws->getwork = ws->base + reg_off;
 291         ws->port = port_id;
 292
 293         for (q = 0; q < edev->nb_event_queues; q++) {
 294                 ws->grps[q] = ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 295                 if (ws->grps[q] == NULL) {
 296                         rte_free(ws);
 297                         ssovf_log_err("Failed to get grp%d base addr", q);
 298                         return -EINVAL;
 299                 }
 300         }
 301
 302         dev->data->ports[port_id] = ws;
 303         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 304         return 0;
 305 }
 306
 307 static int
 308 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 309                 const uint8_t priorities[], uint16_t nb_links)
 310 {
 311         uint16_t link;
 312         uint64_t val;
 313         struct ssows *ws = port;
 314
 315         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 316         RTE_SET_USED(dev);
 317         RTE_SET_USED(priorities);
 318
 319         for (link = 0; link < nb_links; link++) {
 320                 val = queues[link];
 321                 val |= (1ULL << 24); /* Set membership */
 322                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 323         }
 324         return (int)nb_links;
 325 }
 326
 327 static int
 328 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 329                         uint16_t nb_unlinks)
 330 {
 331         uint16_t unlink;
 332         uint64_t val;
 333         struct ssows *ws = port;
 334
 335         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 336         RTE_SET_USED(dev);
 337
 338         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 339                 val = queues[unlink];
 340                 val &= ~(1ULL << 24); /* Clear membership */
 341                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 342         }
 343         return (int)nb_unlinks;
 344 }
 345
 346 static int
 347 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 348 {
 349         RTE_SET_USED(dev);
 350
 351         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 352 }
 353
 354 static void
 355 ssows_dump(struct ssows *ws, FILE *f)
 356 {
 357         uint8_t *base = ws->base;
 358         uint64_t val;
 359
 360         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 361         val = ssovf_read64(base + SSOW_VHWS_TAG);
 362         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 363                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 364                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 365                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 366                 (int)(val >> 63) & 0x1);
 367
 368         val = ssovf_read64(base + SSOW_VHWS_WQP);
 369         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 370
 371         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 372         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 373                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 374                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 375                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 376
 377         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 378         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 379                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 380                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 381                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 382                 (int)(val >> 63) & 0x1);
 383
 384         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 385         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 386 }
 387
 388 static int
 389 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 390                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 391 {
 392         int ret;
 393         RTE_SET_USED(dev);
 394
 395         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 396         if (ret)
 397                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 398         else
 399                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 400
 401         return 0;
 402 }
 403
 404 static int
 405 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 406                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 407                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 408 {
 409         int ret = 0;
 410         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 411         pki_mod_qos_t pki_qos;
 412         RTE_SET_USED(dev);
 413
 414         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 415         if (ret)
 416                 return -EINVAL;
 417
 418         if (rx_queue_id >= 0)
 419                 return -EINVAL;
 420
 421         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 422                 return -ENOTSUP;
 423
 424         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 425
 426         pki_qos.port_type = 0;
 427         pki_qos.index = 0;
 428         pki_qos.mmask.f_tag_type = 1;
 429         pki_qos.mmask.f_port_add = 1;
 430         pki_qos.mmask.f_grp_ok = 1;
 431         pki_qos.mmask.f_grp_bad = 1;
 432         pki_qos.mmask.f_grptag_ok = 1;
 433         pki_qos.mmask.f_grptag_bad = 1;
 434
 435         pki_qos.tag_type = queue_conf->ev.sched_type;
 436         pki_qos.qos_entry.port_add = 0;
 437         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 438         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 439         pki_qos.qos_entry.grptag_bad = 0;
 440         pki_qos.qos_entry.grptag_ok = 0;
 441
 442         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 443         if (ret < 0)
 444                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 445                                 nic->port_id, queue_conf->ev.queue_id);
 446
 447         return ret;
 448 }
 449
 450 static int
 451 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 452                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 453 {
 454         int ret = 0;
 455         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 456         pki_del_qos_t pki_qos;
 457         RTE_SET_USED(dev);
 458
 459         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 460         if (ret)
 461                 return -EINVAL;
 462
 463         pki_qos.port_type = 0;
 464         pki_qos.index = 0;
 465         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 466         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 467         if (ret < 0)
 468                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 469                                 nic->port_id, rx_queue_id);
 470         return ret;
 471 }
 472
 473 static int
 474 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 475                                         const struct rte_eth_dev *eth_dev)
 476 {
 477         RTE_SET_USED(dev);
 478         RTE_SET_USED(eth_dev);
 479
 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         RTE_SET_USED(dev);
 489         RTE_SET_USED(eth_dev);
 490
 491         return 0;
 492 }
 493
 494 static int
 495 ssovf_eth_tx_adapter_caps_get(const struct rte_eventdev *dev,
 496                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 497 {
 498         int ret;
 499         RTE_SET_USED(dev);
 500
 501         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 502         if (ret)
 503                 *caps = 0;
 504         else
 505                 *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
 506
 507         return 0;
 508 }
 509
 510 static int
 511 ssovf_eth_tx_adapter_create(uint8_t id, const struct rte_eventdev *dev)
 512 {
 513         RTE_SET_USED(id);
 514         RTE_SET_USED(dev);
 515         return 0;
 516 }
 517
 518 static int
 519 ssovf_eth_tx_adapter_free(uint8_t id, const struct rte_eventdev *dev)
 520 {
 521         RTE_SET_USED(id);
 522         RTE_SET_USED(dev);
 523         return 0;
 524 }
 525
 526 static int
 527 ssovf_eth_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *dev,
 528                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 529 {
 530         RTE_SET_USED(id);
 531         RTE_SET_USED(dev);
 532         RTE_SET_USED(eth_dev);
 533         RTE_SET_USED(tx_queue_id);
 534         return 0;
 535 }
 536
 537 static int
 538 ssovf_eth_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *dev,
 539                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 540 {
 541         RTE_SET_USED(id);
 542         RTE_SET_USED(dev);
 543         RTE_SET_USED(eth_dev);
 544         RTE_SET_USED(tx_queue_id);
 545         return 0;
 546 }
 547
 548 static int
 549 ssovf_eth_tx_adapter_start(uint8_t id, const struct rte_eventdev *dev)
 550 {
 551         RTE_SET_USED(id);
 552         RTE_SET_USED(dev);
 553         return 0;
 554 }
 555
 556 static int
 557 ssovf_eth_tx_adapter_stop(uint8_t id, const struct rte_eventdev *dev)
 558 {
 559         RTE_SET_USED(id);
 560         RTE_SET_USED(dev);
 561         return 0;
 562 }
 563
 564
 565 static void
 566 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 567 {
 568         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 569         uint8_t port;
 570
 571         /* Dump SSOWVF debug registers */
 572         for (port = 0; port < edev->nb_event_ports; port++)
 573                 ssows_dump(dev->data->ports[port], f);
 574 }
 575
 576 static int
 577 ssovf_start(struct rte_eventdev *dev)
 578 {
 579         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 580         struct ssows *ws;
 581         uint8_t *base;
 582         uint8_t i;
 583
 584         ssovf_func_trace();
 585         for (i = 0; i < edev->nb_event_ports; i++) {
 586                 ws = dev->data->ports[i];
 587                 ssows_reset(ws);
 588                 ws->swtag_req = 0;
 589         }
 590
 591         for (i = 0; i < edev->nb_event_queues; i++) {
 592                 /* Consume all the events through HWS0 */
 593                 ssows_flush_events(dev->data->ports[0], i, NULL, NULL);
 594
 595                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 596                 base += SSO_VHGRP_QCTL;
 597                 ssovf_write64(1, base); /* Enable SSO group */
 598         }
 599
 600         ssovf_fastpath_fns_set(dev);
 601         return 0;
 602 }
 603
 604 static void
 605 ssows_handle_event(void *arg, struct rte_event event)
 606 {
 607         struct rte_eventdev *dev = arg;
 608
 609         if (dev->dev_ops->dev_stop_flush != NULL)
 610                 dev->dev_ops->dev_stop_flush(dev->data->dev_id, event,
 611                                         dev->data->dev_stop_flush_arg);
 612 }
 613
 614 static void
 615 ssovf_stop(struct rte_eventdev *dev)
 616 {
 617         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 618         struct ssows *ws;
 619         uint8_t *base;
 620         uint8_t i;
 621
 622         ssovf_func_trace();
 623         for (i = 0; i < edev->nb_event_ports; i++) {
 624                 ws = dev->data->ports[i];
 625                 ssows_reset(ws);
 626                 ws->swtag_req = 0;
 627         }
 628
 629         for (i = 0; i < edev->nb_event_queues; i++) {
 630                 /* Consume all the events through HWS0 */
 631                 ssows_flush_events(dev->data->ports[0], i,
 632                                 ssows_handle_event, dev);
 633
 634                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 635                 base += SSO_VHGRP_QCTL;
 636                 ssovf_write64(0, base); /* Disable SSO group */
 637         }
 638 }
 639
 640 static int
 641 ssovf_close(struct rte_eventdev *dev)
 642 {
 643         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 644         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 645         uint8_t i;
 646
 647         for (i = 0; i < edev->nb_event_queues; i++)
 648                 all_queues[i] = i;
 649
 650         for (i = 0; i < edev->nb_event_ports; i++)
 651                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 652                         edev->nb_event_queues);
 653         return 0;
 654 }
 655
 656 static int
 657 ssovf_selftest(const char *key __rte_unused, const char *value,
 658                 void *opaque)
 659 {
 660         int *flag = opaque;
 661         *flag = !!atoi(value);
 662         return 0;
 663 }
 664
 665 static int
 666 ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
 667                 uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
 668 {
 669         return timvf_timer_adapter_caps_get(dev, flags, caps, ops,
 670                         timvf_enable_stats);
 671 }
 672
 673 /* Initialize and register event driver with DPDK Application */
 674 static struct rte_eventdev_ops ssovf_ops = {
 675         .dev_infos_get    = ssovf_info_get,
 676         .dev_configure    = ssovf_configure,
 677         .queue_def_conf   = ssovf_queue_def_conf,
 678         .queue_setup      = ssovf_queue_setup,
 679         .queue_release    = ssovf_queue_release,
 680         .port_def_conf    = ssovf_port_def_conf,
 681         .port_setup       = ssovf_port_setup,
 682         .port_release     = ssovf_port_release,
 683         .port_link        = ssovf_port_link,
 684         .port_unlink      = ssovf_port_unlink,
 685         .timeout_ticks    = ssovf_timeout_ticks,
 686
 687         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 688         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 689         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 690         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 691         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 692
 693         .eth_tx_adapter_caps_get = ssovf_eth_tx_adapter_caps_get,
 694         .eth_tx_adapter_create = ssovf_eth_tx_adapter_create,
 695         .eth_tx_adapter_free = ssovf_eth_tx_adapter_free,
 696         .eth_tx_adapter_queue_add = ssovf_eth_tx_adapter_queue_add,
 697         .eth_tx_adapter_queue_del = ssovf_eth_tx_adapter_queue_del,
 698         .eth_tx_adapter_start = ssovf_eth_tx_adapter_start,
 699         .eth_tx_adapter_stop = ssovf_eth_tx_adapter_stop,
 700
 701         .timer_adapter_caps_get = ssovf_timvf_caps_get,
 702
 703         .dev_selftest = test_eventdev_octeontx,
 704
 705         .dump             = ssovf_dump,
 706         .dev_start        = ssovf_start,
 707         .dev_stop         = ssovf_stop,
 708         .dev_close        = ssovf_close
 709 };
 710
 711 static int
 712 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 713 {
 714         struct ssovf_info oinfo;
 715         struct ssovf_mbox_dev_info info;
 716         struct ssovf_evdev *edev;
 717         struct rte_eventdev *eventdev;
 718         static int ssovf_init_once;
 719         const char *name;
 720         const char *params;
 721         int ret;
 722         int selftest = 0;
 723
 724         static const char *const args[] = {
 725                 SSOVF_SELFTEST_ARG,
 726                 TIMVF_ENABLE_STATS_ARG,
 727                 NULL
 728         };
 729
 730         name = rte_vdev_device_name(vdev);
 731         /* More than one instance is not supported */
 732         if (ssovf_init_once) {
 733                 ssovf_log_err("Request to create >1 %s instance", name);
 734                 return -EINVAL;
 735         }
 736
 737         params = rte_vdev_device_args(vdev);
 738         if (params != NULL && params[0] != '\0') {
 739                 struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
 740
 741                 if (!kvlist) {
 742                         ssovf_log_info(
 743                                 "Ignoring unsupported params supplied '%s'",
 744                                 name);
 745                 } else {
 746                         int ret = rte_kvargs_process(kvlist,
 747                                         SSOVF_SELFTEST_ARG,
 748                                         ssovf_selftest, &selftest);
 749                         if (ret != 0) {
 750                                 ssovf_log_err("%s: Error in selftest", name);
 751                                 rte_kvargs_free(kvlist);
 752                                 return ret;
 753                         }
 754
 755                         ret = rte_kvargs_process(kvlist,
 756                                         TIMVF_ENABLE_STATS_ARG,
 757                                         ssovf_selftest, &timvf_enable_stats);
 758                         if (ret != 0) {
 759                                 ssovf_log_err("%s: Error in timvf stats", name);
 760                                 rte_kvargs_free(kvlist);
 761                                 return ret;
 762                         }
 763                 }
 764
 765                 rte_kvargs_free(kvlist);
 766         }
 767
 768         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 769                                 rte_socket_id());
 770         if (eventdev == NULL) {
 771                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 772                 return -ENOMEM;
 773         }
 774         eventdev->dev_ops = &ssovf_ops;
 775
 776         /* For secondary processes, the primary has done all the work */
 777         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 778                 ssovf_fastpath_fns_set(eventdev);
 779                 return 0;
 780         }
 781
 782         ret = ssovf_info(&oinfo);
 783         if (ret) {
 784                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 785                 goto error;
 786         }
 787
 788         edev = ssovf_pmd_priv(eventdev);
 789         edev->max_event_ports = oinfo.total_ssowvfs;
 790         edev->max_event_queues = oinfo.total_ssovfs;
 791         edev->is_timeout_deq = 0;
 792
 793         ret = ssovf_mbox_dev_info(&info);
 794         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 795                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 796                 goto error;
 797         }
 798
 799         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 800         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 801         edev->max_num_events =  info.max_num_events;
 802         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 803                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 804                         info.max_num_events);
 805
 806         if (!edev->max_event_ports || !edev->max_event_queues) {
 807                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 808                         edev->max_event_queues, edev->max_event_ports);
 809                 ret = -ENODEV;
 810                 goto error;
 811         }
 812
 813         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 814                         name, oinfo.domain, edev->max_event_queues,
 815                         edev->max_event_ports);
 816
 817         ssovf_init_once = 1;
 818         if (selftest)
 819                 test_eventdev_octeontx();
 820         return 0;
 821
 822 error:
 823         rte_event_pmd_vdev_uninit(name);
 824         return ret;
 825 }
 826
 827 static int
 828 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 829 {
 830         const char *name;
 831
 832         name = rte_vdev_device_name(vdev);
 833         ssovf_log_info("Closing %s", name);
 834         return rte_event_pmd_vdev_uninit(name);
 835 }
 836
 837 static struct rte_vdev_driver vdev_ssovf_pmd = {
 838         .probe = ssovf_vdev_probe,
 839         .remove = ssovf_vdev_remove
 840 };
 841
 842 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);