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         ws->lookup_mem = octeontx_fastpath_lookup_mem_get();
 276
 277         for (q = 0; q < edev->nb_event_queues; q++) {
 278                 ws->grps[q] = ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 279                 if (ws->grps[q] == NULL) {
 280                         rte_free(ws);
 281                         ssovf_log_err("Failed to get grp%d base addr", q);
 282                         return -EINVAL;
 283                 }
 284         }
 285
 286         dev->data->ports[port_id] = ws;
 287         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 288         return 0;
 289 }
 290
 291 static int
 292 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 293                 const uint8_t priorities[], uint16_t nb_links)
 294 {
 295         uint16_t link;
 296         uint64_t val;
 297         struct ssows *ws = port;
 298
 299         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 300         RTE_SET_USED(dev);
 301         RTE_SET_USED(priorities);
 302
 303         for (link = 0; link < nb_links; link++) {
 304                 val = queues[link];
 305                 val |= (1ULL << 24); /* Set membership */
 306                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 307         }
 308         return (int)nb_links;
 309 }
 310
 311 static int
 312 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 313                         uint16_t nb_unlinks)
 314 {
 315         uint16_t unlink;
 316         uint64_t val;
 317         struct ssows *ws = port;
 318
 319         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 320         RTE_SET_USED(dev);
 321
 322         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 323                 val = queues[unlink];
 324                 val &= ~(1ULL << 24); /* Clear membership */
 325                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 326         }
 327         return (int)nb_unlinks;
 328 }
 329
 330 static int
 331 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 332 {
 333         RTE_SET_USED(dev);
 334
 335         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 336 }
 337
 338 static void
 339 ssows_dump(struct ssows *ws, FILE *f)
 340 {
 341         uint8_t *base = ws->base;
 342         uint64_t val;
 343
 344         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 345         val = ssovf_read64(base + SSOW_VHWS_TAG);
 346         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 347                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 348                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 349                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 350                 (int)(val >> 63) & 0x1);
 351
 352         val = ssovf_read64(base + SSOW_VHWS_WQP);
 353         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 354
 355         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 356         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 357                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 358                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 359                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 360
 361         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 362         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 363                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 364                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 365                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 366                 (int)(val >> 63) & 0x1);
 367
 368         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 369         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 370 }
 371
 372 static int
 373 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 374                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 375 {
 376         int ret;
 377         RTE_SET_USED(dev);
 378
 379         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 380         if (ret)
 381                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 382         else
 383                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 384
 385         return 0;
 386 }
 387
 388 static int
 389 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 390                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 391                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 392 {
 393         int ret = 0;
 394         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 395         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 396         pki_mod_qos_t pki_qos;
 397         RTE_SET_USED(dev);
 398
 399         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 400         if (ret)
 401                 return -EINVAL;
 402
 403         if (rx_queue_id >= 0)
 404                 return -EINVAL;
 405
 406         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 407                 return -ENOTSUP;
 408
 409         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 410
 411         pki_qos.port_type = 0;
 412         pki_qos.index = 0;
 413         pki_qos.mmask.f_tag_type = 1;
 414         pki_qos.mmask.f_port_add = 1;
 415         pki_qos.mmask.f_grp_ok = 1;
 416         pki_qos.mmask.f_grp_bad = 1;
 417         pki_qos.mmask.f_grptag_ok = 1;
 418         pki_qos.mmask.f_grptag_bad = 1;
 419
 420         pki_qos.qos_entry.tag_type = queue_conf->ev.sched_type;
 421         pki_qos.qos_entry.port_add = 0;
 422         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 423         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 424         pki_qos.qos_entry.grptag_bad = 0;
 425         pki_qos.qos_entry.grptag_ok = 0;
 426
 427         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 428         if (ret < 0)
 429                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 430                                 nic->port_id, queue_conf->ev.queue_id);
 431
 432         edev->rx_offload_flags = nic->rx_offload_flags;
 433         edev->tx_offload_flags = nic->tx_offload_flags;
 434         return ret;
 435 }
 436
 437 static int
 438 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 439                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 440 {
 441         int ret = 0;
 442         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 443         pki_del_qos_t pki_qos;
 444         RTE_SET_USED(dev);
 445
 446         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 447         if (ret)
 448                 return -EINVAL;
 449
 450         pki_qos.port_type = 0;
 451         pki_qos.index = 0;
 452         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 453         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 454         if (ret < 0)
 455                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 456                                 nic->port_id, rx_queue_id);
 457         return ret;
 458 }
 459
 460 static int
 461 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 462                                         const struct rte_eth_dev *eth_dev)
 463 {
 464         RTE_SET_USED(dev);
 465         RTE_SET_USED(eth_dev);
 466
 467         return 0;
 468 }
 469
 470
 471 static int
 472 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 473                 const struct rte_eth_dev *eth_dev)
 474 {
 475         RTE_SET_USED(dev);
 476         RTE_SET_USED(eth_dev);
 477
 478         return 0;
 479 }
 480
 481 static int
 482 ssovf_eth_tx_adapter_caps_get(const struct rte_eventdev *dev,
 483                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 484 {
 485         int ret;
 486         RTE_SET_USED(dev);
 487
 488         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 489         if (ret)
 490                 *caps = 0;
 491         else
 492                 *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
 493
 494         return 0;
 495 }
 496
 497 static int
 498 ssovf_eth_tx_adapter_create(uint8_t id, const struct rte_eventdev *dev)
 499 {
 500         RTE_SET_USED(id);
 501         RTE_SET_USED(dev);
 502         return 0;
 503 }
 504
 505 static int
 506 ssovf_eth_tx_adapter_free(uint8_t id, const struct rte_eventdev *dev)
 507 {
 508         RTE_SET_USED(id);
 509         RTE_SET_USED(dev);
 510         return 0;
 511 }
 512
 513 static int
 514 ssovf_eth_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *dev,
 515                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 516 {
 517         RTE_SET_USED(id);
 518         RTE_SET_USED(dev);
 519         RTE_SET_USED(eth_dev);
 520         RTE_SET_USED(tx_queue_id);
 521         return 0;
 522 }
 523
 524 static int
 525 ssovf_eth_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *dev,
 526                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 527 {
 528         RTE_SET_USED(id);
 529         RTE_SET_USED(dev);
 530         RTE_SET_USED(eth_dev);
 531         RTE_SET_USED(tx_queue_id);
 532         return 0;
 533 }
 534
 535 static int
 536 ssovf_eth_tx_adapter_start(uint8_t id, const struct rte_eventdev *dev)
 537 {
 538         RTE_SET_USED(id);
 539         RTE_SET_USED(dev);
 540         return 0;
 541 }
 542
 543 static int
 544 ssovf_eth_tx_adapter_stop(uint8_t id, const struct rte_eventdev *dev)
 545 {
 546         RTE_SET_USED(id);
 547         RTE_SET_USED(dev);
 548         return 0;
 549 }
 550
 551
 552 static void
 553 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 554 {
 555         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 556         uint8_t port;
 557
 558         /* Dump SSOWVF debug registers */
 559         for (port = 0; port < edev->nb_event_ports; port++)
 560                 ssows_dump(dev->data->ports[port], f);
 561 }
 562
 563 static int
 564 ssovf_start(struct rte_eventdev *dev)
 565 {
 566         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 567         struct ssows *ws;
 568         uint8_t *base;
 569         uint8_t i;
 570
 571         ssovf_func_trace();
 572         for (i = 0; i < edev->nb_event_ports; i++) {
 573                 ws = dev->data->ports[i];
 574                 ssows_reset(ws);
 575                 ws->swtag_req = 0;
 576         }
 577
 578         for (i = 0; i < edev->nb_event_queues; i++) {
 579                 /* Consume all the events through HWS0 */
 580                 ssows_flush_events(dev->data->ports[0], i, NULL, NULL);
 581
 582                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 583                 base += SSO_VHGRP_QCTL;
 584                 ssovf_write64(1, base); /* Enable SSO group */
 585         }
 586
 587         ssovf_fastpath_fns_set(dev);
 588         return 0;
 589 }
 590
 591 static void
 592 ssows_handle_event(void *arg, struct rte_event event)
 593 {
 594         struct rte_eventdev *dev = arg;
 595
 596         if (dev->dev_ops->dev_stop_flush != NULL)
 597                 dev->dev_ops->dev_stop_flush(dev->data->dev_id, event,
 598                                         dev->data->dev_stop_flush_arg);
 599 }
 600
 601 static void
 602 ssovf_stop(struct rte_eventdev *dev)
 603 {
 604         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 605         struct ssows *ws;
 606         uint8_t *base;
 607         uint8_t i;
 608
 609         ssovf_func_trace();
 610         for (i = 0; i < edev->nb_event_ports; i++) {
 611                 ws = dev->data->ports[i];
 612                 ssows_reset(ws);
 613                 ws->swtag_req = 0;
 614         }
 615
 616         for (i = 0; i < edev->nb_event_queues; i++) {
 617                 /* Consume all the events through HWS0 */
 618                 ssows_flush_events(dev->data->ports[0], i,
 619                                 ssows_handle_event, dev);
 620
 621                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 622                 base += SSO_VHGRP_QCTL;
 623                 ssovf_write64(0, base); /* Disable SSO group */
 624         }
 625 }
 626
 627 static int
 628 ssovf_close(struct rte_eventdev *dev)
 629 {
 630         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 631         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 632         uint8_t i;
 633
 634         for (i = 0; i < edev->nb_event_queues; i++)
 635                 all_queues[i] = i;
 636
 637         for (i = 0; i < edev->nb_event_ports; i++)
 638                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 639                         edev->nb_event_queues);
 640         return 0;
 641 }
 642
 643 static int
 644 ssovf_selftest(const char *key __rte_unused, const char *value,
 645                 void *opaque)
 646 {
 647         int *flag = opaque;
 648         *flag = !!atoi(value);
 649         return 0;
 650 }
 651
 652 static int
 653 ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
 654                 uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
 655 {
 656         return timvf_timer_adapter_caps_get(dev, flags, caps, ops,
 657                         timvf_enable_stats);
 658 }
 659
 660 /* Initialize and register event driver with DPDK Application */
 661 static struct rte_eventdev_ops ssovf_ops = {
 662         .dev_infos_get    = ssovf_info_get,
 663         .dev_configure    = ssovf_configure,
 664         .queue_def_conf   = ssovf_queue_def_conf,
 665         .queue_setup      = ssovf_queue_setup,
 666         .queue_release    = ssovf_queue_release,
 667         .port_def_conf    = ssovf_port_def_conf,
 668         .port_setup       = ssovf_port_setup,
 669         .port_release     = ssovf_port_release,
 670         .port_link        = ssovf_port_link,
 671         .port_unlink      = ssovf_port_unlink,
 672         .timeout_ticks    = ssovf_timeout_ticks,
 673
 674         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 675         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 676         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 677         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 678         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 679
 680         .eth_tx_adapter_caps_get = ssovf_eth_tx_adapter_caps_get,
 681         .eth_tx_adapter_create = ssovf_eth_tx_adapter_create,
 682         .eth_tx_adapter_free = ssovf_eth_tx_adapter_free,
 683         .eth_tx_adapter_queue_add = ssovf_eth_tx_adapter_queue_add,
 684         .eth_tx_adapter_queue_del = ssovf_eth_tx_adapter_queue_del,
 685         .eth_tx_adapter_start = ssovf_eth_tx_adapter_start,
 686         .eth_tx_adapter_stop = ssovf_eth_tx_adapter_stop,
 687
 688         .timer_adapter_caps_get = ssovf_timvf_caps_get,
 689
 690         .dev_selftest = test_eventdev_octeontx,
 691
 692         .dump             = ssovf_dump,
 693         .dev_start        = ssovf_start,
 694         .dev_stop         = ssovf_stop,
 695         .dev_close        = ssovf_close
 696 };
 697
 698 static int
 699 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 700 {
 701         struct ssovf_info oinfo;
 702         struct ssovf_mbox_dev_info info;
 703         struct ssovf_evdev *edev;
 704         struct rte_eventdev *eventdev;
 705         static int ssovf_init_once;
 706         const char *name;
 707         const char *params;
 708         int ret;
 709         int selftest = 0;
 710
 711         static const char *const args[] = {
 712                 SSOVF_SELFTEST_ARG,
 713                 TIMVF_ENABLE_STATS_ARG,
 714                 NULL
 715         };
 716
 717         name = rte_vdev_device_name(vdev);
 718         /* More than one instance is not supported */
 719         if (ssovf_init_once) {
 720                 ssovf_log_err("Request to create >1 %s instance", name);
 721                 return -EINVAL;
 722         }
 723
 724         params = rte_vdev_device_args(vdev);
 725         if (params != NULL && params[0] != '\0') {
 726                 struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
 727
 728                 if (!kvlist) {
 729                         ssovf_log_info(
 730                                 "Ignoring unsupported params supplied '%s'",
 731                                 name);
 732                 } else {
 733                         int ret = rte_kvargs_process(kvlist,
 734                                         SSOVF_SELFTEST_ARG,
 735                                         ssovf_selftest, &selftest);
 736                         if (ret != 0) {
 737                                 ssovf_log_err("%s: Error in selftest", name);
 738                                 rte_kvargs_free(kvlist);
 739                                 return ret;
 740                         }
 741
 742                         ret = rte_kvargs_process(kvlist,
 743                                         TIMVF_ENABLE_STATS_ARG,
 744                                         ssovf_selftest, &timvf_enable_stats);
 745                         if (ret != 0) {
 746                                 ssovf_log_err("%s: Error in timvf stats", name);
 747                                 rte_kvargs_free(kvlist);
 748                                 return ret;
 749                         }
 750                 }
 751
 752                 rte_kvargs_free(kvlist);
 753         }
 754
 755         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 756                                 rte_socket_id());
 757         if (eventdev == NULL) {
 758                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 759                 return -ENOMEM;
 760         }
 761         eventdev->dev_ops = &ssovf_ops;
 762
 763         /* For secondary processes, the primary has done all the work */
 764         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 765                 ssovf_fastpath_fns_set(eventdev);
 766                 return 0;
 767         }
 768
 769         octeontx_mbox_init();
 770         ret = ssovf_info(&oinfo);
 771         if (ret) {
 772                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 773                 goto error;
 774         }
 775
 776         edev = ssovf_pmd_priv(eventdev);
 777         edev->max_event_ports = oinfo.total_ssowvfs;
 778         edev->max_event_queues = oinfo.total_ssovfs;
 779         edev->is_timeout_deq = 0;
 780
 781         ret = ssovf_mbox_dev_info(&info);
 782         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 783                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 784                 goto error;
 785         }
 786
 787         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 788         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 789         edev->max_num_events =  info.max_num_events;
 790         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 791                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 792                         info.max_num_events);
 793
 794         if (!edev->max_event_ports || !edev->max_event_queues) {
 795                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 796                         edev->max_event_queues, edev->max_event_ports);
 797                 ret = -ENODEV;
 798                 goto error;
 799         }
 800
 801         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 802                         name, oinfo.domain, edev->max_event_queues,
 803                         edev->max_event_ports);
 804
 805         ssovf_init_once = 1;
 806         if (selftest)
 807                 test_eventdev_octeontx();
 808         return 0;
 809
 810 error:
 811         rte_event_pmd_vdev_uninit(name);
 812         return ret;
 813 }
 814
 815 static int
 816 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 817 {
 818         const char *name;
 819
 820         name = rte_vdev_device_name(vdev);
 821         ssovf_log_info("Closing %s", name);
 822         return rte_event_pmd_vdev_uninit(name);
 823 }
 824
 825 static struct rte_vdev_driver vdev_ssovf_pmd = {
 826         .probe = ssovf_vdev_probe,
 827         .remove = ssovf_vdev_remove
 828 };
 829
 830 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);