drivers/net/ice/ice_dcf_parent.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <pthread.h>
   7 #include <unistd.h>
   8
   9 #include <rte_spinlock.h>
  10
  11 #include "ice_dcf_ethdev.h"
  12 #include "ice_generic_flow.h"
  13
  14 #define ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL     100000 /* us */
  15 static rte_spinlock_t vsi_update_lock = RTE_SPINLOCK_INITIALIZER;
  16
  17 struct ice_dcf_reset_event_param {
  18         struct ice_dcf_hw *dcf_hw;
  19
  20         bool vfr; /* VF reset event */
  21         uint16_t vf_id; /* The reset VF ID */
  22 };
  23
  24 static __rte_always_inline void
  25 ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
  26                        uint16_t vsi_map)
  27 {
  28         struct ice_vsi_ctx *vsi_ctx;
  29         bool first_update = false;
  30         uint16_t new_vsi_num;
  31
  32         if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
  33                 PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
  34                 return;
  35         }
  36
  37         vsi_ctx = hw->vsi_ctx[vsi_handle];
  38
  39         if (vsi_map & VIRTCHNL_DCF_VF_VSI_VALID) {
  40                 if (!vsi_ctx) {
  41                         vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
  42                         if (!vsi_ctx) {
  43                                 PMD_DRV_LOG(ERR, "No memory for vsi context %u",
  44                                             vsi_handle);
  45                                 return;
  46                         }
  47                         hw->vsi_ctx[vsi_handle] = vsi_ctx;
  48                         first_update = true;
  49                 }
  50
  51                 new_vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
  52                         VIRTCHNL_DCF_VF_VSI_ID_S;
  53
  54                 /* Redirect rules if vsi mapping table changes. */
  55                 if (!first_update) {
  56                         struct ice_flow_redirect rd;
  57
  58                         memset(&rd, 0, sizeof(struct ice_flow_redirect));
  59                         rd.type = ICE_FLOW_REDIRECT_VSI;
  60                         rd.vsi_handle = vsi_handle;
  61                         rd.new_vsi_num = new_vsi_num;
  62                         ice_flow_redirect((struct ice_adapter *)hw->back, &rd);
  63                 } else {
  64                         vsi_ctx->vsi_num = new_vsi_num;
  65                 }
  66
  67                 PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
  68                             vsi_handle, vsi_ctx->vsi_num);
  69         } else {
  70                 hw->vsi_ctx[vsi_handle] = NULL;
  71
  72                 ice_free(hw, vsi_ctx);
  73
  74                 PMD_DRV_LOG(NOTICE, "VF%u is disabled", vsi_handle);
  75         }
  76 }
  77
  78 static void
  79 ice_dcf_update_vf_vsi_map(struct ice_hw *hw, uint16_t num_vfs,
  80                           uint16_t *vf_vsi_map)
  81 {
  82         uint16_t vf_id;
  83
  84         for (vf_id = 0; vf_id < num_vfs; vf_id++)
  85                 ice_dcf_update_vsi_ctx(hw, vf_id, vf_vsi_map[vf_id]);
  86 }
  87
  88 static void
  89 ice_dcf_update_pf_vsi_map(struct ice_hw *hw, uint16_t pf_vsi_idx,
  90                         uint16_t pf_vsi_num)
  91 {
  92         struct ice_vsi_ctx *vsi_ctx;
  93
  94         if (unlikely(pf_vsi_idx >= ICE_MAX_VSI)) {
  95                 PMD_DRV_LOG(ERR, "Invalid vsi handle %u", pf_vsi_idx);
  96                 return;
  97         }
  98
  99         vsi_ctx = hw->vsi_ctx[pf_vsi_idx];
 100
 101         if (!vsi_ctx)
 102                 vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
 103
 104         if (!vsi_ctx) {
 105                 PMD_DRV_LOG(ERR, "No memory for vsi context %u",
 106                                 pf_vsi_idx);
 107                 return;
 108         }
 109
 110         vsi_ctx->vsi_num = pf_vsi_num;
 111         hw->vsi_ctx[pf_vsi_idx] = vsi_ctx;
 112
 113         PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
 114                         pf_vsi_idx, vsi_ctx->vsi_num);
 115 }
 116
 117 static void*
 118 ice_dcf_vsi_update_service_handler(void *param)
 119 {
 120         struct ice_dcf_reset_event_param *reset_param = param;
 121         struct ice_dcf_hw *hw = reset_param->dcf_hw;
 122         struct ice_dcf_adapter *adapter;
 123
 124         pthread_detach(pthread_self());
 125
 126         rte_delay_us(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL);
 127
 128         rte_spinlock_lock(&vsi_update_lock);
 129
 130         adapter = container_of(hw, struct ice_dcf_adapter, real_hw);
 131
 132         if (!ice_dcf_handle_vsi_update_event(hw))
 133                 ice_dcf_update_vf_vsi_map(&adapter->parent.hw,
 134                                           hw->num_vfs, hw->vf_vsi_map);
 135
 136         if (reset_param->vfr && adapter->repr_infos) {
 137                 struct rte_eth_dev *vf_rep_eth_dev =
 138                         adapter->repr_infos[reset_param->vf_id].vf_rep_eth_dev;
 139                 if (vf_rep_eth_dev && vf_rep_eth_dev->data->dev_started) {
 140                         PMD_DRV_LOG(DEBUG, "VF%u representor is resetting",
 141                                     reset_param->vf_id);
 142                         ice_dcf_vf_repr_init_vlan(vf_rep_eth_dev);
 143                 }
 144         }
 145
 146         rte_spinlock_unlock(&vsi_update_lock);
 147
 148         free(param);
 149
 150         return NULL;
 151 }
 152
 153 static void
 154 start_vsi_reset_thread(struct ice_dcf_hw *dcf_hw, bool vfr, uint16_t vf_id)
 155 {
 156 #define THREAD_NAME_LEN 16
 157         struct ice_dcf_reset_event_param *param;
 158         char name[THREAD_NAME_LEN];
 159         pthread_t thread;
 160         int ret;
 161
 162         param = malloc(sizeof(*param));
 163         if (!param) {
 164                 PMD_DRV_LOG(ERR, "Failed to allocate the memory for reset handling");
 165                 return;
 166         }
 167
 168         param->dcf_hw = dcf_hw;
 169         param->vfr = vfr;
 170         param->vf_id = vf_id;
 171
 172         snprintf(name, sizeof(name), "ice-reset-%u", vf_id);
 173         ret = rte_ctrl_thread_create(&thread, name, NULL,
 174                                      ice_dcf_vsi_update_service_handler, param);
 175         if (ret != 0) {
 176                 PMD_DRV_LOG(ERR, "Failed to start the thread for reset handling");
 177                 free(param);
 178         }
 179 }
 180
 181 static uint32_t
 182 ice_dcf_convert_link_speed(enum virtchnl_link_speed virt_link_speed)
 183 {
 184         uint32_t speed;
 185
 186         switch (virt_link_speed) {
 187         case VIRTCHNL_LINK_SPEED_100MB:
 188                 speed = 100;
 189                 break;
 190         case VIRTCHNL_LINK_SPEED_1GB:
 191                 speed = 1000;
 192                 break;
 193         case VIRTCHNL_LINK_SPEED_10GB:
 194                 speed = 10000;
 195                 break;
 196         case VIRTCHNL_LINK_SPEED_40GB:
 197                 speed = 40000;
 198                 break;
 199         case VIRTCHNL_LINK_SPEED_20GB:
 200                 speed = 20000;
 201                 break;
 202         case VIRTCHNL_LINK_SPEED_25GB:
 203                 speed = 25000;
 204                 break;
 205         case VIRTCHNL_LINK_SPEED_2_5GB:
 206                 speed = 2500;
 207                 break;
 208         case VIRTCHNL_LINK_SPEED_5GB:
 209                 speed = 5000;
 210                 break;
 211         default:
 212                 speed = 0;
 213                 break;
 214         }
 215
 216         return speed;
 217 }
 218
 219 void
 220 ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
 221                             uint8_t *msg, uint16_t msglen)
 222 {
 223         struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
 224
 225         if (msglen < sizeof(struct virtchnl_pf_event)) {
 226                 PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
 227                 return;
 228         }
 229
 230         switch (pf_msg->event) {
 231         case VIRTCHNL_EVENT_RESET_IMPENDING:
 232                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
 233                 start_vsi_reset_thread(dcf_hw, false, 0);
 234                 break;
 235         case VIRTCHNL_EVENT_LINK_CHANGE:
 236                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
 237                 dcf_hw->link_up = pf_msg->event_data.link_event.link_status;
 238                 if (dcf_hw->vf_res->vf_cap_flags &
 239                         VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
 240                         dcf_hw->link_speed =
 241                                 pf_msg->event_data.link_event_adv.link_speed;
 242                 } else {
 243                         enum virtchnl_link_speed speed;
 244                         speed = pf_msg->event_data.link_event.link_speed;
 245                         dcf_hw->link_speed = ice_dcf_convert_link_speed(speed);
 246                 }
 247                 ice_dcf_link_update(dcf_hw->eth_dev, 0);
 248                 rte_eth_dev_callback_process(dcf_hw->eth_dev,
 249                         RTE_ETH_EVENT_INTR_LSC, NULL);
 250                 break;
 251         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
 252                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
 253                 break;
 254         case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
 255                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
 256                             pf_msg->event_data.vf_vsi_map.vf_id,
 257                             pf_msg->event_data.vf_vsi_map.vsi_id);
 258                 start_vsi_reset_thread(dcf_hw, true,
 259                                        pf_msg->event_data.vf_vsi_map.vf_id);
 260                 break;
 261         default:
 262                 PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
 263                 break;
 264         }
 265 }
 266
 267 static int
 268 ice_dcf_query_port_ets(struct ice_hw *parent_hw, struct ice_dcf_hw *real_hw)
 269 {
 270         int ret;
 271
 272         real_hw->ets_config = (struct ice_aqc_port_ets_elem *)
 273                         ice_malloc(real_hw, sizeof(*real_hw->ets_config));
 274         if (!real_hw->ets_config)
 275                 return ICE_ERR_NO_MEMORY;
 276
 277         ret = ice_aq_query_port_ets(parent_hw->port_info,
 278                         real_hw->ets_config, sizeof(*real_hw->ets_config),
 279                         NULL);
 280         if (ret) {
 281                 PMD_DRV_LOG(ERR, "DCF Query Port ETS failed");
 282                 rte_free(real_hw->ets_config);
 283                 real_hw->ets_config = NULL;
 284                 return ret;
 285         }
 286
 287         return ICE_SUCCESS;
 288 }
 289
 290 static int
 291 ice_dcf_init_parent_hw(struct ice_hw *hw)
 292 {
 293         struct ice_aqc_get_phy_caps_data *pcaps;
 294         enum ice_status status;
 295
 296         status = ice_aq_get_fw_ver(hw, NULL);
 297         if (status)
 298                 return status;
 299
 300         status = ice_get_caps(hw);
 301         if (status)
 302                 return status;
 303
 304         hw->port_info = (struct ice_port_info *)
 305                         ice_malloc(hw, sizeof(*hw->port_info));
 306         if (!hw->port_info)
 307                 return ICE_ERR_NO_MEMORY;
 308
 309         /* set the back pointer to HW */
 310         hw->port_info->hw = hw;
 311
 312         /* Initialize port_info struct with switch configuration data */
 313         status = ice_get_initial_sw_cfg(hw);
 314         if (status)
 315                 goto err_unroll_alloc;
 316
 317         pcaps = (struct ice_aqc_get_phy_caps_data *)
 318                 ice_malloc(hw, sizeof(*pcaps));
 319         if (!pcaps) {
 320                 status = ICE_ERR_NO_MEMORY;
 321                 goto err_unroll_alloc;
 322         }
 323
 324         /* Initialize port_info struct with PHY capabilities */
 325         status = ice_aq_get_phy_caps(hw->port_info, false,
 326                                      ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL);
 327         ice_free(hw, pcaps);
 328         if (status)
 329                 goto err_unroll_alloc;
 330
 331         /* Initialize port_info struct with link information */
 332         status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
 333         if (status)
 334                 goto err_unroll_alloc;
 335
 336         status = ice_init_fltr_mgmt_struct(hw);
 337         if (status)
 338                 goto err_unroll_alloc;
 339
 340         status = ice_init_hw_tbls(hw);
 341         if (status)
 342                 goto err_unroll_fltr_mgmt_struct;
 343
 344         PMD_INIT_LOG(INFO,
 345                      "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
 346                      hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
 347                      hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
 348                      hw->fw_build);
 349
 350         return ICE_SUCCESS;
 351
 352 err_unroll_fltr_mgmt_struct:
 353         ice_cleanup_fltr_mgmt_struct(hw);
 354 err_unroll_alloc:
 355         ice_free(hw, hw->port_info);
 356         hw->port_info = NULL;
 357
 358         return status;
 359 }
 360
 361 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
 362 {
 363         ice_cleanup_fltr_mgmt_struct(hw);
 364
 365         ice_free_seg(hw);
 366         ice_free_hw_tbls(hw);
 367
 368         ice_free(hw, hw->port_info);
 369         hw->port_info = NULL;
 370
 371         ice_clear_all_vsi_ctx(hw);
 372 }
 373
 374 static int
 375 ice_dcf_request_pkg_name(struct ice_hw *hw, char *pkg_name)
 376 {
 377         struct ice_dcf_adapter *dcf_adapter =
 378                         container_of(hw, struct ice_dcf_adapter, parent.hw);
 379         struct virtchnl_pkg_info pkg_info;
 380         struct dcf_virtchnl_cmd vc_cmd;
 381         uint64_t dsn;
 382
 383         vc_cmd.v_op = VIRTCHNL_OP_DCF_GET_PKG_INFO;
 384         vc_cmd.req_msglen = 0;
 385         vc_cmd.req_msg = NULL;
 386         vc_cmd.rsp_buflen = sizeof(pkg_info);
 387         vc_cmd.rsp_msgbuf = (uint8_t *)&pkg_info;
 388
 389         if (ice_dcf_execute_virtchnl_cmd(&dcf_adapter->real_hw, &vc_cmd))
 390                 goto pkg_file_direct;
 391
 392         rte_memcpy(&dsn, pkg_info.dsn, sizeof(dsn));
 393
 394         snprintf(pkg_name, ICE_MAX_PKG_FILENAME_SIZE,
 395                  ICE_PKG_FILE_SEARCH_PATH_UPDATES "ice-%016llx.pkg",
 396                  (unsigned long long)dsn);
 397         if (!ice_access(pkg_name, 0))
 398                 return 0;
 399
 400         snprintf(pkg_name, ICE_MAX_PKG_FILENAME_SIZE,
 401                  ICE_PKG_FILE_SEARCH_PATH_DEFAULT "ice-%016llx.pkg",
 402                  (unsigned long long)dsn);
 403         if (!ice_access(pkg_name, 0))
 404                 return 0;
 405
 406 pkg_file_direct:
 407         snprintf(pkg_name,
 408                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_UPDATES);
 409         if (!ice_access(pkg_name, 0))
 410                 return 0;
 411
 412         snprintf(pkg_name,
 413                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_DEFAULT);
 414         if (!ice_access(pkg_name, 0))
 415                 return 0;
 416
 417         return -1;
 418 }
 419
 420 static int
 421 ice_dcf_load_pkg(struct ice_hw *hw)
 422 {
 423         char pkg_name[ICE_MAX_PKG_FILENAME_SIZE];
 424         uint8_t *pkg_buf;
 425         uint32_t buf_len;
 426         struct stat st;
 427         FILE *fp;
 428         int err;
 429
 430         if (ice_dcf_request_pkg_name(hw, pkg_name)) {
 431                 PMD_INIT_LOG(ERR, "Failed to locate the package file");
 432                 return -ENOENT;
 433         }
 434
 435         PMD_INIT_LOG(DEBUG, "DDP package name: %s", pkg_name);
 436
 437         err = stat(pkg_name, &st);
 438         if (err) {
 439                 PMD_INIT_LOG(ERR, "Failed to get file status");
 440                 return err;
 441         }
 442
 443         buf_len = st.st_size;
 444         pkg_buf = rte_malloc(NULL, buf_len, 0);
 445         if (!pkg_buf) {
 446                 PMD_INIT_LOG(ERR, "failed to allocate buffer of size %u for package",
 447                              buf_len);
 448                 return -1;
 449         }
 450
 451         fp = fopen(pkg_name, "rb");
 452         if (!fp)  {
 453                 PMD_INIT_LOG(ERR, "failed to open file: %s", pkg_name);
 454                 err = -1;
 455                 goto ret;
 456         }
 457
 458         err = fread(pkg_buf, buf_len, 1, fp);
 459         fclose(fp);
 460         if (err != 1) {
 461                 PMD_INIT_LOG(ERR, "failed to read package data");
 462                 err = -1;
 463                 goto ret;
 464         }
 465
 466         err = ice_copy_and_init_pkg(hw, pkg_buf, buf_len);
 467         if (err)
 468                 PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d", err);
 469
 470 ret:
 471         rte_free(pkg_buf);
 472         return err;
 473 }
 474
 475 int
 476 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
 477 {
 478         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 479         struct ice_adapter *parent_adapter = &adapter->parent;
 480         struct ice_hw *parent_hw = &parent_adapter->hw;
 481         struct ice_dcf_hw *hw = &adapter->real_hw;
 482         const struct rte_ether_addr *mac;
 483         int err;
 484
 485         parent_adapter->pf.adapter = parent_adapter;
 486         parent_adapter->pf.dev_data = eth_dev->data;
 487         /* create a dummy main_vsi */
 488         parent_adapter->pf.main_vsi =
 489                 rte_zmalloc(NULL, sizeof(struct ice_vsi), 0);
 490         if (!parent_adapter->pf.main_vsi)
 491                 return -ENOMEM;
 492         parent_adapter->pf.main_vsi->adapter = parent_adapter;
 493         parent_adapter->pf.adapter_stopped = 1;
 494
 495         parent_hw->back = parent_adapter;
 496         parent_hw->mac_type = ICE_MAC_GENERIC;
 497         parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
 498
 499         ice_init_lock(&parent_hw->adminq.sq_lock);
 500         ice_init_lock(&parent_hw->adminq.rq_lock);
 501         parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
 502         parent_hw->aq_send_cmd_param = &adapter->real_hw;
 503         parent_hw->dcf_enabled = true;
 504
 505         err = ice_dcf_init_parent_hw(parent_hw);
 506         if (err) {
 507                 PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
 508                              err);
 509                 return err;
 510         }
 511
 512         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) {
 513                 err = ice_dcf_query_port_ets(parent_hw, hw);
 514                 if (err) {
 515                         PMD_INIT_LOG(ERR, "failed to query port ets with error %d",
 516                                      err);
 517                         goto uninit_hw;
 518                 }
 519         }
 520
 521         err = ice_dcf_load_pkg(parent_hw);
 522         if (err) {
 523                 PMD_INIT_LOG(ERR, "failed to load package with error %d",
 524                              err);
 525                 goto uninit_hw;
 526         }
 527         parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
 528
 529         parent_adapter->pf.main_vsi->idx = hw->num_vfs;
 530         ice_dcf_update_pf_vsi_map(parent_hw,
 531                         parent_adapter->pf.main_vsi->idx, hw->pf_vsi_id);
 532
 533         ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
 534
 535         err = ice_flow_init(parent_adapter);
 536         if (err) {
 537                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
 538                 goto uninit_hw;
 539         }
 540
 541         mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
 542         if (rte_is_valid_assigned_ether_addr(mac))
 543                 rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
 544         else
 545                 rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
 546
 547         eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
 548
 549         return 0;
 550
 551 uninit_hw:
 552         ice_dcf_uninit_parent_hw(parent_hw);
 553         return err;
 554 }
 555
 556 void
 557 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
 558 {
 559         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 560         struct ice_adapter *parent_adapter = &adapter->parent;
 561         struct ice_hw *parent_hw = &parent_adapter->hw;
 562
 563         eth_dev->data->mac_addrs = NULL;
 564
 565         ice_flow_uninit(parent_adapter);
 566         ice_dcf_uninit_parent_hw(parent_hw);
 567 }