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