drivers/event/octeontx/ssovf_evdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include <inttypes.h>
   6
   7 #include <rte_common.h>
   8 #include <rte_debug.h>
   9 #include <rte_dev.h>
  10 #include <rte_eal.h>
  11 #include <rte_ethdev_driver.h>
  12 #include <rte_event_eth_rx_adapter.h>
  13 #include <rte_kvargs.h>
  14 #include <rte_lcore.h>
  15 #include <rte_log.h>
  16 #include <rte_malloc.h>
  17 #include <rte_memory.h>
  18 #include <rte_bus_vdev.h>
  19
  20 #include "ssovf_evdev.h"
  21 #include "timvf_evdev.h"
  22
  23 static uint8_t timvf_enable_stats;
  24
  25 RTE_LOG_REGISTER(otx_logtype_ssovf, pmd.event.octeontx, NOTICE);
  26
  27 /* SSOPF Mailbox messages */
  28
  29 struct ssovf_mbox_dev_info {
  30         uint64_t min_deq_timeout_ns;
  31         uint64_t max_deq_timeout_ns;
  32         uint32_t max_num_events;
  33 };
  34
  35 static int
  36 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
  37 {
  38         struct octeontx_mbox_hdr hdr = {0};
  39         uint16_t len = sizeof(struct ssovf_mbox_dev_info);
  40
  41         hdr.coproc = SSO_COPROC;
  42         hdr.msg = SSO_GET_DEV_INFO;
  43         hdr.vfid = 0;
  44
  45         memset(info, 0, len);
  46         return octeontx_mbox_send(&hdr, NULL, 0, info, len);
  47 }
  48
  49 struct ssovf_mbox_getwork_wait {
  50         uint64_t wait_ns;
  51 };
  52
  53 static int
  54 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
  55 {
  56         struct octeontx_mbox_hdr hdr = {0};
  57         struct ssovf_mbox_getwork_wait tmo_set;
  58         uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
  59         int ret;
  60
  61         hdr.coproc = SSO_COPROC;
  62         hdr.msg = SSO_SET_GETWORK_WAIT;
  63         hdr.vfid = 0;
  64
  65         tmo_set.wait_ns = timeout_ns;
  66         ret = octeontx_mbox_send(&hdr, &tmo_set, len, NULL, 0);
  67         if (ret)
  68                 ssovf_log_err("Failed to set getwork timeout(%d)", ret);
  69
  70         return ret;
  71 }
  72
  73 struct ssovf_mbox_grp_pri {
  74         uint8_t vhgrp_id;
  75         uint8_t wgt_left; /* Read only */
  76         uint8_t weight;
  77         uint8_t affinity;
  78         uint8_t priority;
  79 };
  80
  81 static int
  82 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
  83 {
  84         struct octeontx_mbox_hdr hdr = {0};
  85         struct ssovf_mbox_grp_pri grp;
  86         uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
  87         int ret;
  88
  89         hdr.coproc = SSO_COPROC;
  90         hdr.msg = SSO_GRP_SET_PRIORITY;
  91         hdr.vfid = queue;
  92
  93         grp.vhgrp_id = queue;
  94         grp.weight = 0xff;
  95         grp.affinity = 0xff;
  96         grp.priority = prio / 32; /* Normalize to 0 to 7 */
  97
  98         ret = octeontx_mbox_send(&hdr, &grp, len, NULL, 0);
  99         if (ret)
 100                 ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
 101
 102         return ret;
 103 }
 104
 105 struct ssovf_mbox_convert_ns_getworks_iter {
 106         uint64_t wait_ns;
 107         uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
 108 };
 109
 110 static int
 111 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
 112 {
 113         struct octeontx_mbox_hdr hdr = {0};
 114         struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
 115         uint16_t len = sizeof(ns2iter);
 116         int ret;
 117
 118         hdr.coproc = SSO_COPROC;
 119         hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
 120         hdr.vfid = 0;
 121
 122         memset(&ns2iter, 0, len);
 123         ns2iter.wait_ns = ns;
 124         ret = octeontx_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
 125         if (ret < 0 || (ret != len)) {
 126                 ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
 127                 return -EIO;
 128         }
 129
 130         *tmo_ticks = ns2iter.getwork_iter;
 131         return 0;
 132 }
 133
 134 static void
 135 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 136 {
 137         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 138
 139         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
 140         dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
 141         dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
 142         dev_info->max_event_queues = edev->max_event_queues;
 143         dev_info->max_event_queue_flows = (1ULL << 20);
 144         dev_info->max_event_queue_priority_levels = 8;
 145         dev_info->max_event_priority_levels = 1;
 146         dev_info->max_event_ports = edev->max_event_ports;
 147         dev_info->max_event_port_dequeue_depth = 1;
 148         dev_info->max_event_port_enqueue_depth = 1;
 149         dev_info->max_num_events =  edev->max_num_events;
 150         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
 151                                         RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
 152                                         RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES|
 153                                         RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
 154                                         RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
 155                                         RTE_EVENT_DEV_CAP_NONSEQ_MODE |
 156                                         RTE_EVENT_DEV_CAP_CARRY_FLOW_ID;
 157
 158 }
 159
 160 static int
 161 ssovf_configure(const struct rte_eventdev *dev)
 162 {
 163         struct rte_event_dev_config *conf = &dev->data->dev_conf;
 164         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 165         uint64_t deq_tmo_ns;
 166
 167         ssovf_func_trace();
 168         deq_tmo_ns = conf->dequeue_timeout_ns;
 169         if (deq_tmo_ns == 0)
 170                 deq_tmo_ns = edev->min_deq_timeout_ns;
 171
 172         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
 173                 edev->is_timeout_deq = 1;
 174                 deq_tmo_ns = edev->min_deq_timeout_ns;
 175         }
 176         edev->nb_event_queues = conf->nb_event_queues;
 177         edev->nb_event_ports = conf->nb_event_ports;
 178
 179         return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
 180 }
 181
 182 static void
 183 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
 184                                  struct rte_event_queue_conf *queue_conf)
 185 {
 186         RTE_SET_USED(dev);
 187         RTE_SET_USED(queue_id);
 188
 189         queue_conf->nb_atomic_flows = (1ULL << 20);
 190         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
 191         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
 192         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
 193 }
 194
 195 static void
 196 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
 197 {
 198         RTE_SET_USED(dev);
 199         RTE_SET_USED(queue_id);
 200 }
 201
 202 static int
 203 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
 204                               const struct rte_event_queue_conf *queue_conf)
 205 {
 206         RTE_SET_USED(dev);
 207         ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
 208
 209         return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
 210 }
 211
 212 static void
 213 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
 214                                  struct rte_event_port_conf *port_conf)
 215 {
 216         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 217
 218         RTE_SET_USED(port_id);
 219         port_conf->new_event_threshold = edev->max_num_events;
 220         port_conf->dequeue_depth = 1;
 221         port_conf->enqueue_depth = 1;
 222         port_conf->event_port_cfg = 0;
 223 }
 224
 225 static void
 226 ssovf_port_release(void *port)
 227 {
 228         rte_free(port);
 229 }
 230
 231 static int
 232 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 233                                 const struct rte_event_port_conf *port_conf)
 234 {
 235         struct ssows *ws;
 236         uint32_t reg_off;
 237         uint8_t q;
 238         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 239
 240         ssovf_func_trace("port=%d", port_id);
 241         RTE_SET_USED(port_conf);
 242
 243         /* Free memory prior to re-allocation if needed */
 244         if (dev->data->ports[port_id] != NULL) {
 245                 ssovf_port_release(dev->data->ports[port_id]);
 246                 dev->data->ports[port_id] = NULL;
 247         }
 248
 249         /* Allocate event port memory */
 250         ws = rte_zmalloc_socket("eventdev ssows",
 251                         sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
 252                         dev->data->socket_id);
 253         if (ws == NULL) {
 254                 ssovf_log_err("Failed to alloc memory for port=%d", port_id);
 255                 return -ENOMEM;
 256         }
 257
 258         ws->base = ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
 259         if (ws->base == NULL) {
 260                 rte_free(ws);
 261                 ssovf_log_err("Failed to get hws base addr port=%d", port_id);
 262                 return -EINVAL;
 263         }
 264
 265         reg_off = SSOW_VHWS_OP_GET_WORK0;
 266         reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
 267         reg_off |= 1 << 16; /* Wait */
 268         ws->getwork = ws->base + reg_off;
 269         ws->port = port_id;
 270         ws->lookup_mem = octeontx_fastpath_lookup_mem_get();
 271
 272         for (q = 0; q < edev->nb_event_queues; q++) {
 273                 ws->grps[q] = ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
 274                 if (ws->grps[q] == NULL) {
 275                         rte_free(ws);
 276                         ssovf_log_err("Failed to get grp%d base addr", q);
 277                         return -EINVAL;
 278                 }
 279         }
 280
 281         dev->data->ports[port_id] = ws;
 282         ssovf_log_dbg("port=%d ws=%p", port_id, ws);
 283         return 0;
 284 }
 285
 286 static int
 287 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
 288                 const uint8_t priorities[], uint16_t nb_links)
 289 {
 290         uint16_t link;
 291         uint64_t val;
 292         struct ssows *ws = port;
 293
 294         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
 295         RTE_SET_USED(dev);
 296         RTE_SET_USED(priorities);
 297
 298         for (link = 0; link < nb_links; link++) {
 299                 val = queues[link];
 300                 val |= (1ULL << 24); /* Set membership */
 301                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 302         }
 303         return (int)nb_links;
 304 }
 305
 306 static int
 307 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
 308                         uint16_t nb_unlinks)
 309 {
 310         uint16_t unlink;
 311         uint64_t val;
 312         struct ssows *ws = port;
 313
 314         ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
 315         RTE_SET_USED(dev);
 316
 317         for (unlink = 0; unlink < nb_unlinks; unlink++) {
 318                 val = queues[unlink];
 319                 val &= ~(1ULL << 24); /* Clear membership */
 320                 ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
 321         }
 322         return (int)nb_unlinks;
 323 }
 324
 325 static int
 326 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
 327 {
 328         RTE_SET_USED(dev);
 329
 330         return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
 331 }
 332
 333 static void
 334 ssows_dump(struct ssows *ws, FILE *f)
 335 {
 336         uint8_t *base = ws->base;
 337         uint64_t val;
 338
 339         fprintf(f, "\t---------------port%d---------------\n", ws->port);
 340         val = ssovf_read64(base + SSOW_VHWS_TAG);
 341         fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
 342                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 343                 (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
 344                 (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
 345                 (int)(val >> 63) & 0x1);
 346
 347         val = ssovf_read64(base + SSOW_VHWS_WQP);
 348         fprintf(f, "\twqp=0x%"PRIx64"\n", val);
 349
 350         val = ssovf_read64(base + SSOW_VHWS_LINKS);
 351         fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
 352                 (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
 353                 (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
 354                 (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
 355
 356         val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
 357         fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
 358                 (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
 359                 (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
 360                 (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
 361                 (int)(val >> 63) & 0x1);
 362
 363         val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
 364         fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
 365 }
 366
 367 static int
 368 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
 369                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 370 {
 371         int ret;
 372         RTE_SET_USED(dev);
 373
 374         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 375         if (ret)
 376                 *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
 377         else
 378                 *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
 379
 380         return 0;
 381 }
 382
 383 static int
 384 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
 385                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
 386                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
 387 {
 388         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 389         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 390         uint16_t free_idx = UINT16_MAX;
 391         struct octeontx_rxq *rxq;
 392         pki_mod_qos_t pki_qos;
 393         uint8_t found = false;
 394         int i, ret = 0;
 395         void *old_ptr;
 396
 397         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 398         if (ret)
 399                 return -EINVAL;
 400
 401         if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
 402                 return -ENOTSUP;
 403
 404         /* eth_octeontx only supports one rq. */
 405         rx_queue_id = rx_queue_id == -1 ? 0 : rx_queue_id;
 406         rxq = eth_dev->data->rx_queues[rx_queue_id];
 407         /* Add rxq pool to list of used pools and reduce available events. */
 408         for (i = 0; i < edev->rxq_pools; i++) {
 409                 if (edev->rxq_pool_array[i] == (uintptr_t)rxq->pool) {
 410                         edev->rxq_pool_rcnt[i]++;
 411                         found = true;
 412                         break;
 413                 } else if (free_idx == UINT16_MAX &&
 414                            edev->rxq_pool_array[i] == 0) {
 415                         free_idx = i;
 416                 }
 417         }
 418
 419         if (!found) {
 420                 uint16_t idx;
 421
 422                 if (edev->available_events < rxq->pool->size) {
 423                         ssovf_log_err(
 424                                 "Max available events %"PRIu32" requested events in rxq pool %"PRIu32"",
 425                                 edev->available_events, rxq->pool->size);
 426                         return -ENOMEM;
 427                 }
 428
 429                 if (free_idx != UINT16_MAX) {
 430                         idx = free_idx;
 431                 } else {
 432                         old_ptr = edev->rxq_pool_array;
 433                         edev->rxq_pools++;
 434                         edev->rxq_pool_array = rte_realloc(
 435                                 edev->rxq_pool_array,
 436                                 sizeof(uint64_t) * edev->rxq_pools, 0);
 437                         if (edev->rxq_pool_array == NULL) {
 438                                 edev->rxq_pools--;
 439                                 edev->rxq_pool_array = old_ptr;
 440                                 return -ENOMEM;
 441                         }
 442
 443                         old_ptr = edev->rxq_pool_rcnt;
 444                         edev->rxq_pool_rcnt = rte_realloc(
 445                                 edev->rxq_pool_rcnt,
 446                                 sizeof(uint8_t) * edev->rxq_pools, 0);
 447                         if (edev->rxq_pool_rcnt == NULL) {
 448                                 edev->rxq_pools--;
 449                                 edev->rxq_pool_rcnt = old_ptr;
 450                                 return -ENOMEM;
 451                         }
 452                         idx = edev->rxq_pools - 1;
 453                 }
 454
 455                 edev->rxq_pool_array[idx] = (uintptr_t)rxq->pool;
 456                 edev->rxq_pool_rcnt[idx] = 1;
 457                 edev->available_events -= rxq->pool->size;
 458         }
 459
 460         memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
 461
 462         pki_qos.port_type = 0;
 463         pki_qos.index = 0;
 464         pki_qos.mmask.f_tag_type = 1;
 465         pki_qos.mmask.f_port_add = 1;
 466         pki_qos.mmask.f_grp_ok = 1;
 467         pki_qos.mmask.f_grp_bad = 1;
 468         pki_qos.mmask.f_grptag_ok = 1;
 469         pki_qos.mmask.f_grptag_bad = 1;
 470
 471         pki_qos.qos_entry.tag_type = queue_conf->ev.sched_type;
 472         pki_qos.qos_entry.port_add = 0;
 473         pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
 474         pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
 475         pki_qos.qos_entry.grptag_bad = 0;
 476         pki_qos.qos_entry.grptag_ok = 0;
 477
 478         ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
 479         if (ret < 0)
 480                 ssovf_log_err("failed to modify QOS, port=%d, q=%d",
 481                                 nic->port_id, queue_conf->ev.queue_id);
 482
 483         edev->rx_offload_flags = nic->rx_offload_flags;
 484         edev->tx_offload_flags = nic->tx_offload_flags;
 485         return ret;
 486 }
 487
 488 static int
 489 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
 490                 const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
 491 {
 492         const struct octeontx_nic *nic = eth_dev->data->dev_private;
 493         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 494         struct octeontx_rxq *rxq;
 495         pki_del_qos_t pki_qos;
 496         uint8_t found = false;
 497         int i, ret = 0;
 498
 499         rx_queue_id = rx_queue_id == -1 ? 0 : rx_queue_id;
 500         rxq = eth_dev->data->rx_queues[rx_queue_id];
 501         for (i = 0; i < edev->rxq_pools; i++) {
 502                 if (edev->rxq_pool_array[i] == (uintptr_t)rxq->pool) {
 503                         found = true;
 504                         break;
 505                 }
 506         }
 507
 508         if (found) {
 509                 edev->rxq_pool_rcnt[i]--;
 510                 if (edev->rxq_pool_rcnt[i] == 0)
 511                         edev->rxq_pool_array[i] = 0;
 512                 edev->available_events += rxq->pool->size;
 513         }
 514
 515         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 516         if (ret)
 517                 return -EINVAL;
 518
 519         pki_qos.port_type = 0;
 520         pki_qos.index = 0;
 521         memset(&pki_qos, 0, sizeof(pki_del_qos_t));
 522         ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
 523         if (ret < 0)
 524                 ssovf_log_err("Failed to delete QOS port=%d, q=%d",
 525                                 nic->port_id, rx_queue_id);
 526         return ret;
 527 }
 528
 529 static int
 530 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
 531                                         const struct rte_eth_dev *eth_dev)
 532 {
 533         RTE_SET_USED(dev);
 534         RTE_SET_USED(eth_dev);
 535
 536         return 0;
 537 }
 538
 539
 540 static int
 541 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
 542                 const struct rte_eth_dev *eth_dev)
 543 {
 544         RTE_SET_USED(dev);
 545         RTE_SET_USED(eth_dev);
 546
 547         return 0;
 548 }
 549
 550 static int
 551 ssovf_eth_tx_adapter_caps_get(const struct rte_eventdev *dev,
 552                 const struct rte_eth_dev *eth_dev, uint32_t *caps)
 553 {
 554         int ret;
 555         RTE_SET_USED(dev);
 556
 557         ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
 558         if (ret)
 559                 *caps = 0;
 560         else
 561                 *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
 562
 563         return 0;
 564 }
 565
 566 static int
 567 ssovf_eth_tx_adapter_create(uint8_t id, const struct rte_eventdev *dev)
 568 {
 569         RTE_SET_USED(id);
 570         RTE_SET_USED(dev);
 571         return 0;
 572 }
 573
 574 static int
 575 ssovf_eth_tx_adapter_free(uint8_t id, const struct rte_eventdev *dev)
 576 {
 577         RTE_SET_USED(id);
 578         RTE_SET_USED(dev);
 579         return 0;
 580 }
 581
 582 static int
 583 ssovf_eth_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *dev,
 584                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 585 {
 586         RTE_SET_USED(id);
 587         RTE_SET_USED(dev);
 588         RTE_SET_USED(eth_dev);
 589         RTE_SET_USED(tx_queue_id);
 590         return 0;
 591 }
 592
 593 static int
 594 ssovf_eth_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *dev,
 595                 const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
 596 {
 597         RTE_SET_USED(id);
 598         RTE_SET_USED(dev);
 599         RTE_SET_USED(eth_dev);
 600         RTE_SET_USED(tx_queue_id);
 601         return 0;
 602 }
 603
 604 static int
 605 ssovf_eth_tx_adapter_start(uint8_t id, const struct rte_eventdev *dev)
 606 {
 607         RTE_SET_USED(id);
 608         RTE_SET_USED(dev);
 609         return 0;
 610 }
 611
 612 static int
 613 ssovf_eth_tx_adapter_stop(uint8_t id, const struct rte_eventdev *dev)
 614 {
 615         RTE_SET_USED(id);
 616         RTE_SET_USED(dev);
 617         return 0;
 618 }
 619
 620
 621 static void
 622 ssovf_dump(struct rte_eventdev *dev, FILE *f)
 623 {
 624         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 625         uint8_t port;
 626
 627         /* Dump SSOWVF debug registers */
 628         for (port = 0; port < edev->nb_event_ports; port++)
 629                 ssows_dump(dev->data->ports[port], f);
 630 }
 631
 632 static int
 633 ssovf_start(struct rte_eventdev *dev)
 634 {
 635         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 636         struct ssows *ws;
 637         uint8_t *base;
 638         uint8_t i;
 639
 640         ssovf_func_trace();
 641         for (i = 0; i < edev->nb_event_ports; i++) {
 642                 ws = dev->data->ports[i];
 643                 ssows_reset(ws);
 644                 ws->swtag_req = 0;
 645         }
 646
 647         for (i = 0; i < edev->nb_event_queues; i++) {
 648                 /* Consume all the events through HWS0 */
 649                 ssows_flush_events(dev->data->ports[0], i, NULL, NULL);
 650
 651                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 652                 base += SSO_VHGRP_QCTL;
 653                 ssovf_write64(1, base); /* Enable SSO group */
 654         }
 655
 656         ssovf_fastpath_fns_set(dev);
 657         return 0;
 658 }
 659
 660 static void
 661 ssows_handle_event(void *arg, struct rte_event event)
 662 {
 663         struct rte_eventdev *dev = arg;
 664
 665         if (dev->dev_ops->dev_stop_flush != NULL)
 666                 dev->dev_ops->dev_stop_flush(dev->data->dev_id, event,
 667                                         dev->data->dev_stop_flush_arg);
 668 }
 669
 670 static void
 671 ssovf_stop(struct rte_eventdev *dev)
 672 {
 673         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 674         struct ssows *ws;
 675         uint8_t *base;
 676         uint8_t i;
 677
 678         ssovf_func_trace();
 679         for (i = 0; i < edev->nb_event_ports; i++) {
 680                 ws = dev->data->ports[i];
 681                 ssows_reset(ws);
 682                 ws->swtag_req = 0;
 683         }
 684
 685         for (i = 0; i < edev->nb_event_queues; i++) {
 686                 /* Consume all the events through HWS0 */
 687                 ssows_flush_events(dev->data->ports[0], i,
 688                                 ssows_handle_event, dev);
 689
 690                 base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
 691                 base += SSO_VHGRP_QCTL;
 692                 ssovf_write64(0, base); /* Disable SSO group */
 693         }
 694 }
 695
 696 static int
 697 ssovf_close(struct rte_eventdev *dev)
 698 {
 699         struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 700         uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
 701         uint8_t i;
 702
 703         for (i = 0; i < edev->nb_event_queues; i++)
 704                 all_queues[i] = i;
 705
 706         for (i = 0; i < edev->nb_event_ports; i++)
 707                 ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
 708                         edev->nb_event_queues);
 709         return 0;
 710 }
 711
 712 static int
 713 ssovf_selftest(const char *key __rte_unused, const char *value,
 714                 void *opaque)
 715 {
 716         int *flag = opaque;
 717         *flag = !!atoi(value);
 718         return 0;
 719 }
 720
 721 static int
 722 ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
 723                 uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
 724 {
 725         return timvf_timer_adapter_caps_get(dev, flags, caps, ops,
 726                         timvf_enable_stats);
 727 }
 728
 729 /* Initialize and register event driver with DPDK Application */
 730 static struct rte_eventdev_ops ssovf_ops = {
 731         .dev_infos_get    = ssovf_info_get,
 732         .dev_configure    = ssovf_configure,
 733         .queue_def_conf   = ssovf_queue_def_conf,
 734         .queue_setup      = ssovf_queue_setup,
 735         .queue_release    = ssovf_queue_release,
 736         .port_def_conf    = ssovf_port_def_conf,
 737         .port_setup       = ssovf_port_setup,
 738         .port_release     = ssovf_port_release,
 739         .port_link        = ssovf_port_link,
 740         .port_unlink      = ssovf_port_unlink,
 741         .timeout_ticks    = ssovf_timeout_ticks,
 742
 743         .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
 744         .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
 745         .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
 746         .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
 747         .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
 748
 749         .eth_tx_adapter_caps_get = ssovf_eth_tx_adapter_caps_get,
 750         .eth_tx_adapter_create = ssovf_eth_tx_adapter_create,
 751         .eth_tx_adapter_free = ssovf_eth_tx_adapter_free,
 752         .eth_tx_adapter_queue_add = ssovf_eth_tx_adapter_queue_add,
 753         .eth_tx_adapter_queue_del = ssovf_eth_tx_adapter_queue_del,
 754         .eth_tx_adapter_start = ssovf_eth_tx_adapter_start,
 755         .eth_tx_adapter_stop = ssovf_eth_tx_adapter_stop,
 756
 757         .timer_adapter_caps_get = ssovf_timvf_caps_get,
 758
 759         .dev_selftest = test_eventdev_octeontx,
 760
 761         .dump             = ssovf_dump,
 762         .dev_start        = ssovf_start,
 763         .dev_stop         = ssovf_stop,
 764         .dev_close        = ssovf_close
 765 };
 766
 767 static int
 768 ssovf_vdev_probe(struct rte_vdev_device *vdev)
 769 {
 770         struct ssovf_info oinfo;
 771         struct ssovf_mbox_dev_info info;
 772         struct ssovf_evdev *edev;
 773         struct rte_eventdev *eventdev;
 774         static int ssovf_init_once;
 775         const char *name;
 776         const char *params;
 777         int ret;
 778         int selftest = 0;
 779
 780         static const char *const args[] = {
 781                 SSOVF_SELFTEST_ARG,
 782                 TIMVF_ENABLE_STATS_ARG,
 783                 NULL
 784         };
 785
 786         name = rte_vdev_device_name(vdev);
 787         /* More than one instance is not supported */
 788         if (ssovf_init_once) {
 789                 ssovf_log_err("Request to create >1 %s instance", name);
 790                 return -EINVAL;
 791         }
 792
 793         params = rte_vdev_device_args(vdev);
 794         if (params != NULL && params[0] != '\0') {
 795                 struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
 796
 797                 if (!kvlist) {
 798                         ssovf_log_info(
 799                                 "Ignoring unsupported params supplied '%s'",
 800                                 name);
 801                 } else {
 802                         int ret = rte_kvargs_process(kvlist,
 803                                         SSOVF_SELFTEST_ARG,
 804                                         ssovf_selftest, &selftest);
 805                         if (ret != 0) {
 806                                 ssovf_log_err("%s: Error in selftest", name);
 807                                 rte_kvargs_free(kvlist);
 808                                 return ret;
 809                         }
 810
 811                         ret = rte_kvargs_process(kvlist,
 812                                         TIMVF_ENABLE_STATS_ARG,
 813                                         ssovf_selftest, &timvf_enable_stats);
 814                         if (ret != 0) {
 815                                 ssovf_log_err("%s: Error in timvf stats", name);
 816                                 rte_kvargs_free(kvlist);
 817                                 return ret;
 818                         }
 819                 }
 820
 821                 rte_kvargs_free(kvlist);
 822         }
 823
 824         eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
 825                                 rte_socket_id());
 826         if (eventdev == NULL) {
 827                 ssovf_log_err("Failed to create eventdev vdev %s", name);
 828                 return -ENOMEM;
 829         }
 830         eventdev->dev_ops = &ssovf_ops;
 831
 832         timvf_set_eventdevice(eventdev);
 833
 834         /* For secondary processes, the primary has done all the work */
 835         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
 836                 ssovf_fastpath_fns_set(eventdev);
 837                 return 0;
 838         }
 839
 840         octeontx_mbox_init();
 841         ret = ssovf_info(&oinfo);
 842         if (ret) {
 843                 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
 844                 goto error;
 845         }
 846
 847         edev = ssovf_pmd_priv(eventdev);
 848         edev->max_event_ports = oinfo.total_ssowvfs;
 849         edev->max_event_queues = oinfo.total_ssovfs;
 850         edev->is_timeout_deq = 0;
 851
 852         ret = ssovf_mbox_dev_info(&info);
 853         if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
 854                 ssovf_log_err("Failed to get mbox devinfo %d", ret);
 855                 goto error;
 856         }
 857
 858         edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
 859         edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
 860         edev->max_num_events =  info.max_num_events;
 861         edev->available_events = info.max_num_events;
 862
 863         ssovf_log_dbg("min_deq_tmo=%" PRId64 " max_deq_tmo=%" PRId64
 864                       " max_evts=%d",
 865                       info.min_deq_timeout_ns, info.max_deq_timeout_ns,
 866                       info.max_num_events);
 867
 868         if (!edev->max_event_ports || !edev->max_event_queues) {
 869                 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
 870                         edev->max_event_queues, edev->max_event_ports);
 871                 ret = -ENODEV;
 872                 goto error;
 873         }
 874
 875         ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
 876                         name, oinfo.domain, edev->max_event_queues,
 877                         edev->max_event_ports);
 878
 879         ssovf_init_once = 1;
 880         if (selftest)
 881                 test_eventdev_octeontx();
 882         return 0;
 883
 884 error:
 885         rte_event_pmd_vdev_uninit(name);
 886         return ret;
 887 }
 888
 889 static int
 890 ssovf_vdev_remove(struct rte_vdev_device *vdev)
 891 {
 892         const char *name;
 893
 894         name = rte_vdev_device_name(vdev);
 895         ssovf_log_info("Closing %s", name);
 896         return rte_event_pmd_vdev_uninit(name);
 897 }
 898
 899 static struct rte_vdev_driver vdev_ssovf_pmd = {
 900         .probe = ssovf_vdev_probe,
 901         .remove = ssovf_vdev_remove
 902 };
 903
 904 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);