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
  22 int otx_logtype_ssovf;
  23
  24 RTE_INIT(otx_ssovf_init_log);
  25 static void
  26 otx_ssovf_init_log(void)
  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_ssovf_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_ssovf_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_ssovf_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_ssovf_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
 150         if (edev->is_timeout_deq) {
 151                 dev->dequeue       = ssows_deq_timeout;
 152                 dev->dequeue_burst = ssows_deq_timeout_burst;
 153         }
 154 }
 155
 156 static void
 157 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 158 {
 159         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 160
 161         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 162         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 163         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 164         dev_info->max_event_queues = edev->max_event_queues;
 165         dev_info->max_event_queue_flows = (1ULL << 20);
 166         dev_info->max_event_queue_priority_levels = 8;
 167         dev_info->max_event_priority_levels = 1;
 168         dev_info->max_event_ports = edev->max_event_ports;
 169         dev_info->max_event_port_dequeue_depth = 1;
 170         dev_info->max_event_port_enqueue_depth = 1;
 171         dev_info->max_num_events =  edev->max_num_events;
 172         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 173                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 174                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES|
 175                                         RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
 176                                         RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 177                                         RTE_EVENT_DEV_CAP_NONSEQ_MODE;
 178
 179 }
 180
 181 static int
 182 ssovf_configure(const struct rte_eventdev *dev)
 183 {
 184         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 185         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 186         uint64_t deq_tmo_ns;
 187
 188         ssovf_func_trace();
 189         deq_tmo_ns = conf->dequeue_timeout_ns;
 190         if (deq_tmo_ns == 0)
 191                 deq_tmo_ns = edev->min_deq_timeout_ns;
 192
 193         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 194                 edev->is_timeout_deq = 1;
 195                 deq_tmo_ns = edev->min_deq_timeout_ns;
 196         }
 197         edev->nb_event_queues = conf->nb_event_queues;
 198         edev->nb_event_ports = conf->nb_event_ports;
 199
 200         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 201 }
 202
 203 static void
 204 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 205                                  struct rte_event_queue_conf *queue_conf)
 206 {
 207         RTE_SET_USED(dev);
 208         RTE_SET_USED(queue_id);
 209
 210         queue_conf->nb_atomic_flows = (1ULL << 20);
 211         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 212         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 213         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 214 }
 215
 216 static void
 217 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 218 {
 219         RTE_SET_USED(dev);
 220         RTE_SET_USED(queue_id);
 221 }
 222
 223 static int
 224 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 225                               const struct rte_event_queue_conf *queue_conf)
 226 {
 227         RTE_SET_USED(dev);
 228         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 229
 230         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 231 }
 232
 233 static void
 234 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 235                                  struct rte_event_port_conf *port_conf)
 236 {
 237         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 238
 239         RTE_SET_USED(port_id);
 240         port_conf->new_event_threshold = edev->max_num_events;
 241         port_conf->dequeue_depth = 1;
 242         port_conf->enqueue_depth = 1;
 243         port_conf->disable_implicit_release = 0;
 244 }
 245
 246 static void
 247 ssovf_port_release(void *port)
 248 {
 249         rte_free(port);
 250 }
 251
 252 static int
 253 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 254                                 const struct rte_event_port_conf *port_conf)
 255 {
 256         struct ssows *ws;
 257         uint32_t reg_off;
 258         uint8_t q;
 259         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 260
 261         ssovf_func_trace("port=%d", port_id);
 262         RTE_SET_USED(port_conf);
 263
 264         /* Free memory prior to re-allocation if needed */
 265         if (dev->data->ports[port_id] != NULL) {
 266                 ssovf_port_release(dev->data->ports[port_id]);
 267                 dev->data->ports[port_id] = NULL;
 268         }
 269
 270         /* Allocate event port memory */
 271         ws = rte_zmalloc_socket("eventdev ssows",
 272                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 273                         dev->data->socket_id);
 274         if (ws == NULL) {
 275                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 276                 return -ENOMEM;
 277         }
 278
 279         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 280         if (ws->base == NULL) {
 281                 rte_free(ws);
 282                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 283                 return -EINVAL;
 284         }
 285
 286         reg_off = SSOW_VHWS_OP_GET_WORK0;
 287         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 288         reg_off |= 1 << 16; /* Wait */
 289         ws->getwork = ws->base + reg_off;
 290         ws->port = port_id;
 291
 292         for (q = 0; q < edev->nb_event_queues; q++) {
 293                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 294                 if (ws->grps[q] == NULL) {
 295                         rte_free(ws);
 296                         ssovf_log_err("Failed to get grp%d base addr", q);
 297                         return -EINVAL;
 298                 }
 299         }
 300
 301         dev->data->ports[port_id] = ws;
 302         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 303         return 0;
 304 }
 305
 306 static int
 307 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 308                 const uint8_t priorities[], uint16_t nb_links)
 309 {
 310         uint16_t link;
 311         uint64_t val;
 312         struct ssows *ws = port;
 313
 314         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 315         RTE_SET_USED(dev);
 316         RTE_SET_USED(priorities);
 317
 318         for (link = 0; link < nb_links; link++) {
 319                 val = queues[link];
 320                 val |= (1ULL << 24); /* Set membership */
 321                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 322         }
 323         return (int)nb_links;
 324 }
 325
 326 static int
 327 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 328                         uint16_t nb_unlinks)
 329 {
 330         uint16_t unlink;
 331         uint64_t val;
 332         struct ssows *ws = port;
 333
 334         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 335         RTE_SET_USED(dev);
 336
 337         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 338                 val = queues[unlink];
 339                 val &= ~(1ULL << 24); /* Clear membership */
 340                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 341         }
 342         return (int)nb_unlinks;
 343 }
 344
 345 static int
 346 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 347 {
 348         RTE_SET_USED(dev);
 349
 350         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 351 }
 352
 353 static void
 354 ssows_dump(struct ssows *ws, FILE *f)
 355 {
 356         uint8_t *base = ws->base;
 357         uint64_t val;
 358
 359         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 360         val = ssovf_read64(base + SSOW_VHWS_TAG);
 361         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 362                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 363                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 364                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 365                 (int)(val >> 63) & 0x1);
 366
 367         val = ssovf_read64(base + SSOW_VHWS_WQP);
 368         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 369
 370         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 371         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 372                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 373                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 374                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 375
 376         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 377         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 378                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 379                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 380                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 381                 (int)(val >> 63) & 0x1);
 382
 383         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 384         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 385 }
 386
 387 static int
 388 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 389                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 390 {
 391         int ret;
 392         RTE_SET_USED(dev);
 393
 394         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 395         if (ret)
 396                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 397         else
 398                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 399
 400         return 0;
 401 }
 402
 403 static int
 404 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 405                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 406                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 407 {
 408         int ret = 0;
 409         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 410         pki_mod_qos_t pki_qos;
 411         RTE_SET_USED(dev);
 412
 413         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 414         if (ret)
 415                 return -EINVAL;
 416
 417         if (rx_queue_id >= 0)
 418                 return -EINVAL;
 419
 420         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 421                 return -ENOTSUP;
 422
 423         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 424
 425         pki_qos.port_type = 0;
 426         pki_qos.index = 0;
 427         pki_qos.mmask.f_tag_type = 1;
 428         pki_qos.mmask.f_port_add = 1;
 429         pki_qos.mmask.f_grp_ok = 1;
 430         pki_qos.mmask.f_grp_bad = 1;
 431         pki_qos.mmask.f_grptag_ok = 1;
 432         pki_qos.mmask.f_grptag_bad = 1;
 433
 434         pki_qos.tag_type = queue_conf->ev.sched_type;
 435         pki_qos.qos_entry.port_add = 0;
 436         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 437         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 438         pki_qos.qos_entry.grptag_bad = 0;
 439         pki_qos.qos_entry.grptag_ok = 0;
 440
 441         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 442         if (ret < 0)
 443                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 444                                 nic->port_id, queue_conf->ev.queue_id);
 445
 446         return ret;
 447 }
 448
 449 static int
 450 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 451                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 452 {
 453         int ret = 0;
 454         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 455         pki_del_qos_t pki_qos;
 456         RTE_SET_USED(dev);
 457         RTE_SET_USED(rx_queue_id);
 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, queue_conf->ev.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         int ret;
 478         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 479         RTE_SET_USED(dev);
 480
 481         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 482         if (ret)
 483                 return 0;
 484         octeontx_pki_port_start(nic->port_id);
 485         return 0;
 486 }
 487
 488
 489 static int
 490 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 491                 const struct rte_eth_dev *eth_dev)
 492 {
 493         int ret;
 494         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 495         RTE_SET_USED(dev);
 496
 497         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 498         if (ret)
 499                 return 0;
 500         octeontx_pki_port_stop(nic->port_id);
 501         return 0;
 502 }
 503
 504 static void
 505 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 506 {
 507         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 508         uint8_t port;
 509
 510         /* Dump SSOWVF debug registers */
 511         for (port = 0; port < edev->nb_event_ports; port++)
 512                 ssows_dump(dev->data->ports[port], f);
 513 }
 514
 515 static int
 516 ssovf_start(struct rte_eventdev *dev)
 517 {
 518         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 519         struct ssows *ws;
 520         uint8_t *base;
 521         uint8_t i;
 522
 523         ssovf_func_trace();
 524         for (i = 0; i < edev->nb_event_ports; i++) {
 525                 ws = dev->data->ports[i];
 526                 ssows_reset(ws);
 527                 ws->swtag_req = 0;
 528         }
 529
 530         for (i = 0; i < edev->nb_event_queues; i++) {
 531                 /* Consume all the events through HWS0 */
 532                 ssows_flush_events(dev->data->ports[0], i);
 533
 534                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 535                 base += SSO_VHGRP_QCTL;
 536                 ssovf_write64(1, base); /* Enable SSO group */
 537         }
 538
 539         ssovf_fastpath_fns_set(dev);
 540         return 0;
 541 }
 542
 543 static void
 544 ssovf_stop(struct rte_eventdev *dev)
 545 {
 546         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 547         struct ssows *ws;
 548         uint8_t *base;
 549         uint8_t i;
 550
 551         ssovf_func_trace();
 552         for (i = 0; i < edev->nb_event_ports; i++) {
 553                 ws = dev->data->ports[i];
 554                 ssows_reset(ws);
 555                 ws->swtag_req = 0;
 556         }
 557
 558         for (i = 0; i < edev->nb_event_queues; i++) {
 559                 /* Consume all the events through HWS0 */
 560                 ssows_flush_events(dev->data->ports[0], i);
 561
 562                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 563                 base += SSO_VHGRP_QCTL;
 564                 ssovf_write64(0, base); /* Disable SSO group */
 565         }
 566 }
 567
 568 static int
 569 ssovf_close(struct rte_eventdev *dev)
 570 {
 571         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 572         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 573         uint8_t i;
 574
 575         for (i = 0; i < edev->nb_event_queues; i++)
 576                 all_queues[i] = i;
 577
 578         for (i = 0; i < edev->nb_event_ports; i++)
 579                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 580                         edev->nb_event_queues);
 581         return 0;
 582 }
 583
 584 static int
 585 ssovf_selftest(const char *key __rte_unused, const char *value,
 586                 void *opaque)
 587 {
 588         int *flag = opaque;
 589         *flag = !!atoi(value);
 590         return 0;
 591 }
 592
 593 /* Initialize and register event driver with DPDK Application */
 594 static const struct rte_eventdev_ops ssovf_ops = {
 595         .dev_infos_get    = ssovf_info_get,
 596         .dev_configure    = ssovf_configure,
 597         .queue_def_conf   = ssovf_queue_def_conf,
 598         .queue_setup      = ssovf_queue_setup,
 599         .queue_release    = ssovf_queue_release,
 600         .port_def_conf    = ssovf_port_def_conf,
 601         .port_setup       = ssovf_port_setup,
 602         .port_release     = ssovf_port_release,
 603         .port_link        = ssovf_port_link,
 604         .port_unlink      = ssovf_port_unlink,
 605         .timeout_ticks    = ssovf_timeout_ticks,
 606
 607         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 608         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 609         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 610         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 611         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 612
 613         .dev_selftest = test_eventdev_octeontx,
 614
 615         .dump             = ssovf_dump,
 616         .dev_start        = ssovf_start,
 617         .dev_stop         = ssovf_stop,
 618         .dev_close        = ssovf_close
 619 };
 620
 621 static int
 622 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 623 {
 624         struct octeontx_ssovf_info oinfo;
 625         struct ssovf_mbox_dev_info info;
 626         struct ssovf_evdev *edev;
 627         struct rte_eventdev *eventdev;
 628         static int ssovf_init_once;
 629         const char *name;
 630         const char *params;
 631         int ret;
 632         int selftest = 0;
 633
 634         static const char *const args[] = {
 635                 SSOVF_SELFTEST_ARG,
 636                 NULL
 637         };
 638
 639         name = rte_vdev_device_name(vdev);
 640         /* More than one instance is not supported */
 641         if (ssovf_init_once) {
 642                 ssovf_log_err("Request to create >1 %s instance", name);
 643                 return -EINVAL;
 644         }
 645
 646         params = rte_vdev_device_args(vdev);
 647         if (params != NULL && params[0] != '\0') {
 648                 struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
 649
 650                 if (!kvlist) {
 651                         ssovf_log_info(
 652                                 "Ignoring unsupported params supplied '%s'",
 653                                 name);
 654                 } else {
 655                         int ret = rte_kvargs_process(kvlist,
 656                                         SSOVF_SELFTEST_ARG,
 657                                         ssovf_selftest, &selftest);
 658                         if (ret != 0) {
 659                                 ssovf_log_err("%s: Error in selftest", name);
 660                                 rte_kvargs_free(kvlist);
 661                                 return ret;
 662                         }
 663                 }
 664
 665                 rte_kvargs_free(kvlist);
 666         }
 667
 668         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 669                                 rte_socket_id());
 670         if (eventdev == NULL) {
 671                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 672                 return -ENOMEM;
 673         }
 674         eventdev->dev_ops = &ssovf_ops;
 675
 676         /* For secondary processes, the primary has done all the work */
 677         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 678                 ssovf_fastpath_fns_set(eventdev);
 679                 return 0;
 680         }
 681
 682         ret = octeontx_ssovf_info(&oinfo);
 683         if (ret) {
 684                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 685                 goto error;
 686         }
 687
 688         edev = ssovf_pmd_priv(eventdev);
 689         edev->max_event_ports = oinfo.total_ssowvfs;
 690         edev->max_event_queues = oinfo.total_ssovfs;
 691         edev->is_timeout_deq = 0;
 692
 693         ret = ssovf_mbox_dev_info(&info);
 694         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 695                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 696                 goto error;
 697         }
 698
 699         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 700         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 701         edev->max_num_events =  info.max_num_events;
 702         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 703                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 704                         info.max_num_events);
 705
 706         if (!edev->max_event_ports || !edev->max_event_queues) {
 707                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 708                         edev->max_event_queues, edev->max_event_ports);
 709                 ret = -ENODEV;
 710                 goto error;
 711         }
 712
 713         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 714                         name, oinfo.domain, edev->max_event_queues,
 715                         edev->max_event_ports);
 716
 717         ssovf_init_once = 1;
 718         if (selftest)
 719                 test_eventdev_octeontx();
 720         return 0;
 721
 722 error:
 723         rte_event_pmd_vdev_uninit(name);
 724         return ret;
 725 }
 726
 727 static int
 728 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 729 {
 730         const char *name;
 731
 732         name = rte_vdev_device_name(vdev);
 733         ssovf_log_info("Closing %s", name);
 734         return rte_event_pmd_vdev_uninit(name);
 735 }
 736
 737 static struct rte_vdev_driver vdev_ssovf_pmd = {
 738         .probe = ssovf_vdev_probe,
 739         .remove = ssovf_vdev_remove
 740 };
 741
 742 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);