drivers/event/octeontx/ssovf_evdev.c

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (C) Cavium, Inc. 2017.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Cavium, Inc nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <inttypes.h>
  34
  35 #include <rte_common.h>
  36 #include <rte_debug.h>
  37 #include <rte_dev.h>
  38 #include <rte_eal.h>
  39 #include <rte_ethdev.h>
  40 #include <rte_event_eth_rx_adapter.h>
  41 #include <rte_lcore.h>
  42 #include <rte_log.h>
  43 #include <rte_malloc.h>
  44 #include <rte_memory.h>
  45 #include <rte_bus_vdev.h>
  46
  47 #include "ssovf_evdev.h"
  48
  49 /* SSOPF Mailbox messages */
  50
  51 struct ssovf_mbox_dev_info {
  52         uint64_t min_deq_timeout_ns;
  53         uint64_t max_deq_timeout_ns;
  54         uint32_t max_num_events;
  55 };
  56
  57 static int
  58 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
  59 {
  60         struct octeontx_mbox_hdr hdr = {0};
  61         uint16_t len = sizeof(struct ssovf_mbox_dev_info);
  62
  63         hdr.coproc = SSO_COPROC;
  64         hdr.msg = SSO_GET_DEV_INFO;
  65         hdr.vfid = 0;
  66
  67         memset(info, 0, len);
  68         return octeontx_ssovf_mbox_send(&hdr, NULL, 0, info, len);
  69 }
  70
  71 struct ssovf_mbox_getwork_wait {
  72         uint64_t wait_ns;
  73 };
  74
  75 static int
  76 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
  77 {
  78         struct octeontx_mbox_hdr hdr = {0};
  79         struct ssovf_mbox_getwork_wait tmo_set;
  80         uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
  81         int ret;
  82
  83         hdr.coproc = SSO_COPROC;
  84         hdr.msg = SSO_SET_GETWORK_WAIT;
  85         hdr.vfid = 0;
  86
  87         tmo_set.wait_ns = timeout_ns;
  88         ret = octeontx_ssovf_mbox_send(&hdr, &tmo_set, len, NULL, 0);
  89         if (ret)
  90                 ssovf_log_err("Failed to set getwork timeout(%d)", ret);
  91
  92         return ret;
  93 }
  94
  95 struct ssovf_mbox_grp_pri {
  96         uint8_t wgt_left; /* Read only */
  97         uint8_t weight;
  98         uint8_t affinity;
  99         uint8_t priority;
 100 };
 101
 102 static int
 103 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
 104 {
 105         struct octeontx_mbox_hdr hdr = {0};
 106         struct ssovf_mbox_grp_pri grp;
 107         uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
 108         int ret;
 109
 110         hdr.coproc = SSO_COPROC;
 111         hdr.msg = SSO_GRP_SET_PRIORITY;
 112         hdr.vfid = queue;
 113
 114         grp.weight = 0xff;
 115         grp.affinity = 0xff;
 116         grp.priority = prio / 32; /* Normalize to 0 to 7 */
 117
 118         ret = octeontx_ssovf_mbox_send(&hdr, &grp, len, NULL, 0);
 119         if (ret)
 120                 ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
 121
 122         return ret;
 123 }
 124
 125 struct ssovf_mbox_convert_ns_getworks_iter {
 126         uint64_t wait_ns;
 127         uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
 128 };
 129
 130 static int
 131 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
 132 {
 133         struct octeontx_mbox_hdr hdr = {0};
 134         struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
 135         uint16_t len = sizeof(ns2iter);
 136         int ret;
 137
 138         hdr.coproc = SSO_COPROC;
 139         hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
 140         hdr.vfid = 0;
 141
 142         memset(&ns2iter, 0, len);
 143         ns2iter.wait_ns = ns;
 144         ret = octeontx_ssovf_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
 145         if (ret < 0 || (ret != len)) {
 146                 ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
 147                 return -EIO;
 148         }
 149
 150         *tmo_ticks = ns2iter.getwork_iter;
 151         return 0;
 152 }
 153
 154 static void
 155 ssovf_fastpath_fns_set(struct rte_eventdev *dev)
 156 {
 157         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 158
 159         dev->enqueue       = ssows_enq;
 160         dev->enqueue_burst = ssows_enq_burst;
 161         dev->enqueue_new_burst = ssows_enq_new_burst;
 162         dev->enqueue_forward_burst = ssows_enq_fwd_burst;
 163         dev->dequeue       = ssows_deq;
 164         dev->dequeue_burst = ssows_deq_burst;
 165
 166         if (edev->is_timeout_deq) {
 167                 dev->dequeue       = ssows_deq_timeout;
 168                 dev->dequeue_burst = ssows_deq_timeout_burst;
 169         }
 170 }
 171
 172 static void
 173 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 174 {
 175         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 176
 177         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 178         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 179         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 180         dev_info->max_event_queues = edev->max_event_queues;
 181         dev_info->max_event_queue_flows = (1ULL << 20);
 182         dev_info->max_event_queue_priority_levels = 8;
 183         dev_info->max_event_priority_levels = 1;
 184         dev_info->max_event_ports = edev->max_event_ports;
 185         dev_info->max_event_port_dequeue_depth = 1;
 186         dev_info->max_event_port_enqueue_depth = 1;
 187         dev_info->max_num_events =  edev->max_num_events;
 188         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 189                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 190                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES;
 191 }
 192
 193 static int
 194 ssovf_configure(const struct rte_eventdev *dev)
 195 {
 196         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 197         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 198         uint64_t deq_tmo_ns;
 199
 200         ssovf_func_trace();
 201         deq_tmo_ns = conf->dequeue_timeout_ns;
 202         if (deq_tmo_ns == 0)
 203                 deq_tmo_ns = edev->min_deq_timeout_ns;
 204
 205         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 206                 edev->is_timeout_deq = 1;
 207                 deq_tmo_ns = edev->min_deq_timeout_ns;
 208         }
 209         edev->nb_event_queues = conf->nb_event_queues;
 210         edev->nb_event_ports = conf->nb_event_ports;
 211
 212         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 213 }
 214
 215 static void
 216 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 217                                  struct rte_event_queue_conf *queue_conf)
 218 {
 219         RTE_SET_USED(dev);
 220         RTE_SET_USED(queue_id);
 221
 222         queue_conf->nb_atomic_flows = (1ULL << 20);
 223         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 224         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 225         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 226 }
 227
 228 static void
 229 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 230 {
 231         RTE_SET_USED(dev);
 232         RTE_SET_USED(queue_id);
 233 }
 234
 235 static int
 236 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 237                               const struct rte_event_queue_conf *queue_conf)
 238 {
 239         RTE_SET_USED(dev);
 240         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 241
 242         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 243 }
 244
 245 static void
 246 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 247                                  struct rte_event_port_conf *port_conf)
 248 {
 249         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 250
 251         RTE_SET_USED(port_id);
 252         port_conf->new_event_threshold = edev->max_num_events;
 253         port_conf->dequeue_depth = 1;
 254         port_conf->enqueue_depth = 1;
 255 }
 256
 257 static void
 258 ssovf_port_release(void *port)
 259 {
 260         rte_free(port);
 261 }
 262
 263 static int
 264 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 265                                 const struct rte_event_port_conf *port_conf)
 266 {
 267         struct ssows *ws;
 268         uint32_t reg_off;
 269         uint8_t q;
 270         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 271
 272         ssovf_func_trace("port=%d", port_id);
 273         RTE_SET_USED(port_conf);
 274
 275         /* Free memory prior to re-allocation if needed */
 276         if (dev->data->ports[port_id] != NULL) {
 277                 ssovf_port_release(dev->data->ports[port_id]);
 278                 dev->data->ports[port_id] = NULL;
 279         }
 280
 281         /* Allocate event port memory */
 282         ws = rte_zmalloc_socket("eventdev ssows",
 283                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 284                         dev->data->socket_id);
 285         if (ws == NULL) {
 286                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 287                 return -ENOMEM;
 288         }
 289
 290         ws->base = octeontx_ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 291         if (ws->base == NULL) {
 292                 rte_free(ws);
 293                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 294                 return -EINVAL;
 295         }
 296
 297         reg_off = SSOW_VHWS_OP_GET_WORK0;
 298         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 299         reg_off |= 1 << 16; /* Wait */
 300         ws->getwork = ws->base + reg_off;
 301         ws->port = port_id;
 302
 303         for (q = 0; q < edev->nb_event_queues; q++) {
 304                 ws->grps[q] = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 305                 if (ws->grps[q] == NULL) {
 306                         rte_free(ws);
 307                         ssovf_log_err("Failed to get grp%d base addr", q);
 308                         return -EINVAL;
 309                 }
 310         }
 311
 312         dev->data->ports[port_id] = ws;
 313         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 314         return 0;
 315 }
 316
 317 static int
 318 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 319                 const uint8_t priorities[], uint16_t nb_links)
 320 {
 321         uint16_t link;
 322         uint64_t val;
 323         struct ssows *ws = port;
 324
 325         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 326         RTE_SET_USED(dev);
 327         RTE_SET_USED(priorities);
 328
 329         for (link = 0; link < nb_links; link++) {
 330                 val = queues[link];
 331                 val |= (1ULL << 24); /* Set membership */
 332                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 333         }
 334         return (int)nb_links;
 335 }
 336
 337 static int
 338 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 339                         uint16_t nb_unlinks)
 340 {
 341         uint16_t unlink;
 342         uint64_t val;
 343         struct ssows *ws = port;
 344
 345         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 346         RTE_SET_USED(dev);
 347
 348         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 349                 val = queues[unlink];
 350                 val &= ~(1ULL << 24); /* Clear membership */
 351                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 352         }
 353         return (int)nb_unlinks;
 354 }
 355
 356 static int
 357 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 358 {
 359         RTE_SET_USED(dev);
 360
 361         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 362 }
 363
 364 static void
 365 ssows_dump(struct ssows *ws, FILE *f)
 366 {
 367         uint8_t *base = ws->base;
 368         uint64_t val;
 369
 370         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 371         val = ssovf_read64(base + SSOW_VHWS_TAG);
 372         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 373                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 374                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 375                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 376                 (int)(val >> 63) & 0x1);
 377
 378         val = ssovf_read64(base + SSOW_VHWS_WQP);
 379         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 380
 381         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 382         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 383                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 384                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 385                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 386
 387         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 388         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 389                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 390                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 391                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 392                 (int)(val >> 63) & 0x1);
 393
 394         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 395         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 396 }
 397
 398 static int
 399 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 400                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 401 {
 402         int ret;
 403         RTE_SET_USED(dev);
 404
 405         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 406         if (ret)
 407                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 408         else
 409                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 410
 411         return 0;
 412 }
 413
 414 static int
 415 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 416                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 417                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 418 {
 419         int ret = 0;
 420         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 421         pki_mod_qos_t pki_qos;
 422         RTE_SET_USED(dev);
 423
 424         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 425         if (ret)
 426                 return -EINVAL;
 427
 428         if (rx_queue_id >= 0)
 429                 return -EINVAL;
 430
 431         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 432                 return -ENOTSUP;
 433
 434         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 435
 436         pki_qos.port_type = 0;
 437         pki_qos.index = 0;
 438         pki_qos.mmask.f_tag_type = 1;
 439         pki_qos.mmask.f_port_add = 1;
 440         pki_qos.mmask.f_grp_ok = 1;
 441         pki_qos.mmask.f_grp_bad = 1;
 442         pki_qos.mmask.f_grptag_ok = 1;
 443         pki_qos.mmask.f_grptag_bad = 1;
 444
 445         pki_qos.tag_type = queue_conf->ev.sched_type;
 446         pki_qos.qos_entry.port_add = 0;
 447         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 448         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 449         pki_qos.qos_entry.grptag_bad = 0;
 450         pki_qos.qos_entry.grptag_ok = 0;
 451
 452         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 453         if (ret < 0)
 454                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 455                                 nic->port_id, queue_conf->ev.queue_id);
 456
 457         return ret;
 458 }
 459
 460 static int
 461 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 462                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 463 {
 464         int ret = 0;
 465         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 466         pki_del_qos_t pki_qos;
 467         RTE_SET_USED(dev);
 468         RTE_SET_USED(rx_queue_id);
 469
 470         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 471         if (ret)
 472                 return -EINVAL;
 473
 474         pki_qos.port_type = 0;
 475         pki_qos.index = 0;
 476         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 477         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 478         if (ret < 0)
 479                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 480                                 nic->port_id, queue_conf->ev.queue_id);
 481         return ret;
 482 }
 483
 484 static int
 485 ssovf_eth_rx_adapter_start(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
 495 static int
 496 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 497                 const struct rte_eth_dev *eth_dev)
 498 {
 499         RTE_SET_USED(dev);
 500         RTE_SET_USED(eth_dev);
 501
 502         return 0;
 503 }
 504
 505 static void
 506 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 507 {
 508         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 509         uint8_t port;
 510
 511         /* Dump SSOWVF debug registers */
 512         for (port = 0; port < edev->nb_event_ports; port++)
 513                 ssows_dump(dev->data->ports[port], f);
 514 }
 515
 516 static int
 517 ssovf_start(struct rte_eventdev *dev)
 518 {
 519         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 520         struct ssows *ws;
 521         uint8_t *base;
 522         uint8_t i;
 523
 524         ssovf_func_trace();
 525         for (i = 0; i < edev->nb_event_ports; i++) {
 526                 ws = dev->data->ports[i];
 527                 ssows_reset(ws);
 528                 ws->swtag_req = 0;
 529         }
 530
 531         for (i = 0; i < edev->nb_event_queues; i++) {
 532                 /* Consume all the events through HWS0 */
 533                 ssows_flush_events(dev->data->ports[0], i);
 534
 535                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 536                 base += SSO_VHGRP_QCTL;
 537                 ssovf_write64(1, base); /* Enable SSO group */
 538         }
 539
 540         ssovf_fastpath_fns_set(dev);
 541         return 0;
 542 }
 543
 544 static void
 545 ssovf_stop(struct rte_eventdev *dev)
 546 {
 547         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 548         struct ssows *ws;
 549         uint8_t *base;
 550         uint8_t i;
 551
 552         ssovf_func_trace();
 553         for (i = 0; i < edev->nb_event_ports; i++) {
 554                 ws = dev->data->ports[i];
 555                 ssows_reset(ws);
 556                 ws->swtag_req = 0;
 557         }
 558
 559         for (i = 0; i < edev->nb_event_queues; i++) {
 560                 /* Consume all the events through HWS0 */
 561                 ssows_flush_events(dev->data->ports[0], i);
 562
 563                 base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 564                 base += SSO_VHGRP_QCTL;
 565                 ssovf_write64(0, base); /* Disable SSO group */
 566         }
 567 }
 568
 569 static int
 570 ssovf_close(struct rte_eventdev *dev)
 571 {
 572         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 573         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 574         uint8_t i;
 575
 576         for (i = 0; i < edev->nb_event_queues; i++)
 577                 all_queues[i] = i;
 578
 579         for (i = 0; i < edev->nb_event_ports; i++)
 580                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 581                         edev->nb_event_queues);
 582         return 0;
 583 }
 584
 585 /* Initialize and register event driver with DPDK Application */
 586 static const struct rte_eventdev_ops ssovf_ops = {
 587         .dev_infos_get    = ssovf_info_get,
 588         .dev_configure    = ssovf_configure,
 589         .queue_def_conf   = ssovf_queue_def_conf,
 590         .queue_setup      = ssovf_queue_setup,
 591         .queue_release    = ssovf_queue_release,
 592         .port_def_conf    = ssovf_port_def_conf,
 593         .port_setup       = ssovf_port_setup,
 594         .port_release     = ssovf_port_release,
 595         .port_link        = ssovf_port_link,
 596         .port_unlink      = ssovf_port_unlink,
 597         .timeout_ticks    = ssovf_timeout_ticks,
 598
 599         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 600         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 601         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 602         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 603         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 604
 605         .dump             = ssovf_dump,
 606         .dev_start        = ssovf_start,
 607         .dev_stop         = ssovf_stop,
 608         .dev_close        = ssovf_close
 609 };
 610
 611 static int
 612 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 613 {
 614         struct octeontx_ssovf_info oinfo;
 615         struct ssovf_mbox_dev_info info;
 616         struct ssovf_evdev *edev;
 617         struct rte_eventdev *eventdev;
 618         static int ssovf_init_once;
 619         const char *name;
 620         int ret;
 621
 622         name = rte_vdev_device_name(vdev);
 623         /* More than one instance is not supported */
 624         if (ssovf_init_once) {
 625                 ssovf_log_err("Request to create >1 %s instance", name);
 626                 return -EINVAL;
 627         }
 628
 629         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 630                                 rte_socket_id());
 631         if (eventdev == NULL) {
 632                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 633                 return -ENOMEM;
 634         }
 635         eventdev->dev_ops = &ssovf_ops;
 636
 637         /* For secondary processes, the primary has done all the work */
 638         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 639                 ssovf_fastpath_fns_set(eventdev);
 640                 return 0;
 641         }
 642
 643         ret = octeontx_ssovf_info(&oinfo);
 644         if (ret) {
 645                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 646                 goto error;
 647         }
 648
 649         edev = ssovf_pmd_priv(eventdev);
 650         edev->max_event_ports = oinfo.total_ssowvfs;
 651         edev->max_event_queues = oinfo.total_ssovfs;
 652         edev->is_timeout_deq = 0;
 653
 654         ret = ssovf_mbox_dev_info(&info);
 655         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 656                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 657                 goto error;
 658         }
 659
 660         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 661         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 662         edev->max_num_events =  info.max_num_events;
 663         ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
 664                         info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 665                         info.max_num_events);
 666
 667         if (!edev->max_event_ports || !edev->max_event_queues) {
 668                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 669                         edev->max_event_queues, edev->max_event_ports);
 670                 ret = -ENODEV;
 671                 goto error;
 672         }
 673
 674         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 675                         name, oinfo.domain, edev->max_event_queues,
 676                         edev->max_event_ports);
 677
 678         ssovf_init_once = 1;
 679         return 0;
 680
 681 error:
 682         rte_event_pmd_vdev_uninit(name);
 683         return ret;
 684 }
 685
 686 static int
 687 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 688 {
 689         const char *name;
 690
 691         name = rte_vdev_device_name(vdev);
 692         ssovf_log_info("Closing %s", name);
 693         return rte_event_pmd_vdev_uninit(name);
 694 }
 695
 696 static struct rte_vdev_driver vdev_ssovf_pmd = {
 697         .probe = ssovf_vdev_probe,
 698         .remove = ssovf_vdev_remove
 699 };
 700
 701 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);