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