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_init_parent_hw(struct ice_hw *hw)
 269 {
 270         struct ice_aqc_get_phy_caps_data *pcaps;
 271         enum ice_status status;
 272
 273         status = ice_aq_get_fw_ver(hw, NULL);
 274         if (status)
 275                 return status;
 276
 277         status = ice_get_caps(hw);
 278         if (status)
 279                 return status;
 280
 281         hw->port_info = (struct ice_port_info *)
 282                         ice_malloc(hw, sizeof(*hw->port_info));
 283         if (!hw->port_info)
 284                 return ICE_ERR_NO_MEMORY;
 285
 286         /* set the back pointer to HW */
 287         hw->port_info->hw = hw;
 288
 289         /* Initialize port_info struct with switch configuration data */
 290         status = ice_get_initial_sw_cfg(hw);
 291         if (status)
 292                 goto err_unroll_alloc;
 293
 294         pcaps = (struct ice_aqc_get_phy_caps_data *)
 295                 ice_malloc(hw, sizeof(*pcaps));
 296         if (!pcaps) {
 297                 status = ICE_ERR_NO_MEMORY;
 298                 goto err_unroll_alloc;
 299         }
 300
 301         /* Initialize port_info struct with PHY capabilities */
 302         status = ice_aq_get_phy_caps(hw->port_info, false,
 303                                      ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL);
 304         ice_free(hw, pcaps);
 305         if (status)
 306                 goto err_unroll_alloc;
 307
 308         /* Initialize port_info struct with link information */
 309         status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
 310         if (status)
 311                 goto err_unroll_alloc;
 312
 313         status = ice_init_fltr_mgmt_struct(hw);
 314         if (status)
 315                 goto err_unroll_alloc;
 316
 317         status = ice_init_hw_tbls(hw);
 318         if (status)
 319                 goto err_unroll_fltr_mgmt_struct;
 320
 321         PMD_INIT_LOG(INFO,
 322                      "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
 323                      hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
 324                      hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
 325                      hw->fw_build);
 326
 327         return ICE_SUCCESS;
 328
 329 err_unroll_fltr_mgmt_struct:
 330         ice_cleanup_fltr_mgmt_struct(hw);
 331 err_unroll_alloc:
 332         ice_free(hw, hw->port_info);
 333         hw->port_info = NULL;
 334
 335         return status;
 336 }
 337
 338 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
 339 {
 340         ice_cleanup_fltr_mgmt_struct(hw);
 341
 342         ice_free_seg(hw);
 343         ice_free_hw_tbls(hw);
 344
 345         ice_free(hw, hw->port_info);
 346         hw->port_info = NULL;
 347
 348         ice_clear_all_vsi_ctx(hw);
 349 }
 350
 351 static int
 352 ice_dcf_request_pkg_name(struct ice_hw *hw, char *pkg_name)
 353 {
 354         struct ice_dcf_adapter *dcf_adapter =
 355                         container_of(hw, struct ice_dcf_adapter, parent.hw);
 356         struct virtchnl_pkg_info pkg_info;
 357         struct dcf_virtchnl_cmd vc_cmd;
 358         uint64_t dsn;
 359
 360         vc_cmd.v_op = VIRTCHNL_OP_DCF_GET_PKG_INFO;
 361         vc_cmd.req_msglen = 0;
 362         vc_cmd.req_msg = NULL;
 363         vc_cmd.rsp_buflen = sizeof(pkg_info);
 364         vc_cmd.rsp_msgbuf = (uint8_t *)&pkg_info;
 365
 366         if (ice_dcf_execute_virtchnl_cmd(&dcf_adapter->real_hw, &vc_cmd))
 367                 goto pkg_file_direct;
 368
 369         rte_memcpy(&dsn, pkg_info.dsn, sizeof(dsn));
 370
 371         snprintf(pkg_name, ICE_MAX_PKG_FILENAME_SIZE,
 372                  ICE_PKG_FILE_SEARCH_PATH_UPDATES "ice-%016llx.pkg",
 373                  (unsigned long long)dsn);
 374         if (!ice_access(pkg_name, 0))
 375                 return 0;
 376
 377         snprintf(pkg_name, ICE_MAX_PKG_FILENAME_SIZE,
 378                  ICE_PKG_FILE_SEARCH_PATH_DEFAULT "ice-%016llx.pkg",
 379                  (unsigned long long)dsn);
 380         if (!ice_access(pkg_name, 0))
 381                 return 0;
 382
 383 pkg_file_direct:
 384         snprintf(pkg_name,
 385                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_UPDATES);
 386         if (!ice_access(pkg_name, 0))
 387                 return 0;
 388
 389         snprintf(pkg_name,
 390                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_DEFAULT);
 391         if (!ice_access(pkg_name, 0))
 392                 return 0;
 393
 394         return -1;
 395 }
 396
 397 static int
 398 ice_dcf_load_pkg(struct ice_hw *hw)
 399 {
 400         char pkg_name[ICE_MAX_PKG_FILENAME_SIZE];
 401         uint8_t *pkg_buf;
 402         uint32_t buf_len;
 403         struct stat st;
 404         FILE *fp;
 405         int err;
 406
 407         if (ice_dcf_request_pkg_name(hw, pkg_name)) {
 408                 PMD_INIT_LOG(ERR, "Failed to locate the package file");
 409                 return -ENOENT;
 410         }
 411
 412         PMD_INIT_LOG(DEBUG, "DDP package name: %s", pkg_name);
 413
 414         err = stat(pkg_name, &st);
 415         if (err) {
 416                 PMD_INIT_LOG(ERR, "Failed to get file status");
 417                 return err;
 418         }
 419
 420         buf_len = st.st_size;
 421         pkg_buf = rte_malloc(NULL, buf_len, 0);
 422         if (!pkg_buf) {
 423                 PMD_INIT_LOG(ERR, "failed to allocate buffer of size %u for package",
 424                              buf_len);
 425                 return -1;
 426         }
 427
 428         fp = fopen(pkg_name, "rb");
 429         if (!fp)  {
 430                 PMD_INIT_LOG(ERR, "failed to open file: %s", pkg_name);
 431                 err = -1;
 432                 goto ret;
 433         }
 434
 435         err = fread(pkg_buf, buf_len, 1, fp);
 436         fclose(fp);
 437         if (err != 1) {
 438                 PMD_INIT_LOG(ERR, "failed to read package data");
 439                 err = -1;
 440                 goto ret;
 441         }
 442
 443         err = ice_copy_and_init_pkg(hw, pkg_buf, buf_len);
 444         if (err)
 445                 PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d", err);
 446
 447 ret:
 448         rte_free(pkg_buf);
 449         return err;
 450 }
 451
 452 int
 453 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
 454 {
 455         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 456         struct ice_adapter *parent_adapter = &adapter->parent;
 457         struct ice_hw *parent_hw = &parent_adapter->hw;
 458         struct ice_dcf_hw *hw = &adapter->real_hw;
 459         const struct rte_ether_addr *mac;
 460         int err;
 461
 462         parent_adapter->pf.adapter = parent_adapter;
 463         parent_adapter->pf.dev_data = eth_dev->data;
 464         /* create a dummy main_vsi */
 465         parent_adapter->pf.main_vsi =
 466                 rte_zmalloc(NULL, sizeof(struct ice_vsi), 0);
 467         if (!parent_adapter->pf.main_vsi)
 468                 return -ENOMEM;
 469         parent_adapter->pf.main_vsi->adapter = parent_adapter;
 470         parent_adapter->pf.adapter_stopped = 1;
 471
 472         parent_hw->back = parent_adapter;
 473         parent_hw->mac_type = ICE_MAC_GENERIC;
 474         parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
 475
 476         ice_init_lock(&parent_hw->adminq.sq_lock);
 477         ice_init_lock(&parent_hw->adminq.rq_lock);
 478         parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
 479         parent_hw->aq_send_cmd_param = &adapter->real_hw;
 480         parent_hw->dcf_enabled = true;
 481
 482         err = ice_dcf_init_parent_hw(parent_hw);
 483         if (err) {
 484                 PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
 485                              err);
 486                 return err;
 487         }
 488
 489         err = ice_dcf_load_pkg(parent_hw);
 490         if (err) {
 491                 PMD_INIT_LOG(ERR, "failed to load package with error %d",
 492                              err);
 493                 goto uninit_hw;
 494         }
 495         parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
 496
 497         parent_adapter->pf.main_vsi->idx = hw->num_vfs;
 498         ice_dcf_update_pf_vsi_map(parent_hw,
 499                         parent_adapter->pf.main_vsi->idx, hw->pf_vsi_id);
 500
 501         ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
 502
 503         err = ice_flow_init(parent_adapter);
 504         if (err) {
 505                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
 506                 goto uninit_hw;
 507         }
 508
 509         mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
 510         if (rte_is_valid_assigned_ether_addr(mac))
 511                 rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
 512         else
 513                 rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
 514
 515         eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
 516
 517         return 0;
 518
 519 uninit_hw:
 520         ice_dcf_uninit_parent_hw(parent_hw);
 521         return err;
 522 }
 523
 524 void
 525 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
 526 {
 527         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 528         struct ice_adapter *parent_adapter = &adapter->parent;
 529         struct ice_hw *parent_hw = &parent_adapter->hw;
 530
 531         eth_dev->data->mac_addrs = NULL;
 532
 533         ice_flow_uninit(parent_adapter);
 534         ice_dcf_uninit_parent_hw(parent_hw);
 535 }