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); 713