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         if (hw->tm_conf.committed)
 147                 ice_dcf_replay_vf_bw(hw, reset_param->vf_id);
 148
 149         rte_spinlock_unlock(&vsi_update_lock);
 150
 151         free(param);
 152
 153         return NULL;
 154 }
 155
 156 static void
 157 start_vsi_reset_thread(struct ice_dcf_hw *dcf_hw, bool vfr, uint16_t vf_id)
 158 {
 159 #define THREAD_NAME_LEN 16
 160         struct ice_dcf_reset_event_param *param;
 161         char name[THREAD_NAME_LEN];
 162         pthread_t thread;
 163         int ret;
 164
 165         param = malloc(sizeof(*param));
 166         if (!param) {
 167                 PMD_DRV_LOG(ERR, "Failed to allocate the memory for reset handling");
 168                 return;
 169         }
 170
 171         param->dcf_hw = dcf_hw;
 172         param->vfr = vfr;
 173         param->vf_id = vf_id;
 174
 175         snprintf(name, sizeof(name), "ice-reset-%u", vf_id);
 176         ret = rte_ctrl_thread_create(&thread, name, NULL,
 177                                      ice_dcf_vsi_update_service_handler, param);
 178         if (ret != 0) {
 179                 PMD_DRV_LOG(ERR, "Failed to start the thread for reset handling");
 180                 free(param);
 181         }
 182 }
 183
 184 static uint32_t
 185 ice_dcf_convert_link_speed(enum virtchnl_link_speed virt_link_speed)
 186 {
 187         uint32_t speed;
 188
 189         switch (virt_link_speed) {
 190         case VIRTCHNL_LINK_SPEED_100MB:
 191                 speed = 100;
 192                 break;
 193         case VIRTCHNL_LINK_SPEED_1GB:
 194                 speed = 1000;
 195                 break;
 196         case VIRTCHNL_LINK_SPEED_10GB:
 197                 speed = 10000;
 198                 break;
 199         case VIRTCHNL_LINK_SPEED_40GB:
 200                 speed = 40000;
 201                 break;
 202         case VIRTCHNL_LINK_SPEED_20GB:
 203                 speed = 20000;
 204                 break;
 205         case VIRTCHNL_LINK_SPEED_25GB:
 206                 speed = 25000;
 207                 break;
 208         case VIRTCHNL_LINK_SPEED_2_5GB:
 209                 speed = 2500;
 210                 break;
 211         case VIRTCHNL_LINK_SPEED_5GB:
 212                 speed = 5000;
 213                 break;
 214         default:
 215                 speed = 0;
 216                 break;
 217         }
 218
 219         return speed;
 220 }
 221
 222 void
 223 ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
 224                             uint8_t *msg, uint16_t msglen)
 225 {
 226         struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
 227
 228         if (msglen < sizeof(struct virtchnl_pf_event)) {
 229                 PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
 230                 return;
 231         }
 232
 233         switch (pf_msg->event) {
 234         case VIRTCHNL_EVENT_RESET_IMPENDING:
 235                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
 236                 start_vsi_reset_thread(dcf_hw, false, 0);
 237                 break;
 238         case VIRTCHNL_EVENT_LINK_CHANGE:
 239                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
 240                 dcf_hw->link_up = pf_msg->event_data.link_event.link_status;
 241                 if (dcf_hw->vf_res->vf_cap_flags &
 242                         VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
 243                         dcf_hw->link_speed =
 244                                 pf_msg->event_data.link_event_adv.link_speed;
 245                 } else {
 246                         enum virtchnl_link_speed speed;
 247                         speed = pf_msg->event_data.link_event.link_speed;
 248                         dcf_hw->link_speed = ice_dcf_convert_link_speed(speed);
 249                 }
 250                 ice_dcf_link_update(dcf_hw->eth_dev, 0);
 251                 rte_eth_dev_callback_process(dcf_hw->eth_dev,
 252                         RTE_ETH_EVENT_INTR_LSC, NULL);
 253                 break;
 254         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
 255                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
 256                 break;
 257         case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
 258                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
 259                             pf_msg->event_data.vf_vsi_map.vf_id,
 260                             pf_msg->event_data.vf_vsi_map.vsi_id);
 261                 start_vsi_reset_thread(dcf_hw, true,
 262                                        pf_msg->event_data.vf_vsi_map.vf_id);
 263                 break;
 264         default:
 265                 PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
 266                 break;
 267         }
 268 }
 269
 270 static int
 271 ice_dcf_query_port_ets(struct ice_hw *parent_hw, struct ice_dcf_hw *real_hw)
 272 {
 273         int ret;
 274
 275         real_hw->ets_config = (struct ice_aqc_port_ets_elem *)
 276                         ice_malloc(real_hw, sizeof(*real_hw->ets_config));
 277         if (!real_hw->ets_config)
 278                 return ICE_ERR_NO_MEMORY;
 279
 280         ret = ice_aq_query_port_ets(parent_hw->port_info,
 281                         real_hw->ets_config, sizeof(*real_hw->ets_config),
 282                         NULL);
 283         if (ret) {
 284                 PMD_DRV_LOG(ERR, "DCF Query Port ETS failed");
 285                 rte_free(real_hw->ets_config);
 286                 real_hw->ets_config = NULL;
 287                 return ret;
 288         }
 289
 290         return ICE_SUCCESS;
 291 }
 292
 293 static int
 294 ice_dcf_init_parent_hw(struct ice_hw *hw)
 295 {
 296         struct ice_aqc_get_phy_caps_data *pcaps;
 297         enum ice_status status;
 298
 299         status = ice_aq_get_fw_ver(hw, NULL);
 300         if (status)
 301                 return status;
 302
 303         status = ice_get_caps(hw);
 304         if (status)
 305                 return status;
 306
 307         hw->port_info = (struct ice_port_info *)
 308                         ice_malloc(hw, sizeof(*hw->port_info));
 309         if (!hw->port_info)
 310                 return ICE_ERR_NO_MEMORY;
 311
 312         /* set the back pointer to HW */
 313         hw->port_info->hw = hw;
 314
 315         /* Initialize port_info struct with switch configuration data */
 316         status = ice_get_initial_sw_cfg(hw);
 317         if (status)
 318                 goto err_unroll_alloc;
 319
 320         pcaps = (struct ice_aqc_get_phy_caps_data *)
 321                 ice_malloc(hw, sizeof(*pcaps));
 322         if (!pcaps) {
 323                 status = ICE_ERR_NO_MEMORY;
 324                 goto err_unroll_alloc;
 325         }
 326
 327         /* Initialize port_info struct with PHY capabilities */
 328         status = ice_aq_get_phy_caps(hw->port_info, false,
 329                                      ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL);
 330         ice_free(hw, pcaps);
 331         if (status)
 332                 goto err_unroll_alloc;
 333
 334         /* Initialize port_info struct with link information */
 335         status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
 336         if (status)
 337                 goto err_unroll_alloc;
 338
 339         status = ice_init_fltr_mgmt_struct(hw);
 340         if (status)
 341                 goto err_unroll_alloc;
 342
 343         status = ice_init_hw_tbls(hw);
 344         if (status)
 345                 goto err_unroll_fltr_mgmt_struct;
 346
 347         PMD_INIT_LOG(INFO,
 348                      "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
 349                      hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
 350                      hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
 351                      hw->fw_build);
 352
 353         return ICE_SUCCESS;
 354
 355 err_unroll_fltr_mgmt_struct:
 356         ice_cleanup_fltr_mgmt_struct(hw);
 357 err_unroll_alloc:
 358         ice_free(hw, hw->port_info);
 359         hw->port_info = NULL;
 360
 361         return status;
 362 }
 363
 364 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
 365 {
 366         ice_cleanup_fltr_mgmt_struct(hw);
 367
 368         ice_free_seg(hw);
 369         ice_free_hw_tbls(hw);
 370
 371         ice_free(hw, hw->port_info);
 372         hw->port_info = NULL;
 373
 374         ice_clear_all_vsi_ctx(hw);
 375 }
 376
 377 static int
 378 ice_dcf_load_pkg(struct ice_adapter *adapter)
 379 {
 380         struct ice_dcf_adapter *dcf_adapter =
 381                         container_of(&adapter->hw, struct ice_dcf_adapter, parent.hw);
 382         struct virtchnl_pkg_info pkg_info;
 383         struct dcf_virtchnl_cmd vc_cmd;
 384         bool use_dsn;
 385         uint64_t dsn = 0;
 386
 387         vc_cmd.v_op = VIRTCHNL_OP_DCF_GET_PKG_INFO;
 388         vc_cmd.req_msglen = 0;
 389         vc_cmd.req_msg = NULL;
 390         vc_cmd.rsp_buflen = sizeof(pkg_info);
 391         vc_cmd.rsp_msgbuf = (uint8_t *)&pkg_info;
 392
 393         use_dsn = ice_dcf_execute_virtchnl_cmd(&dcf_adapter->real_hw, &vc_cmd) == 0;
 394         if (use_dsn)
 395                 rte_memcpy(&dsn, pkg_info.dsn, sizeof(dsn));
 396
 397         return ice_load_pkg(adapter, use_dsn, dsn);
 398 }
 399
 400 int
 401 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
 402 {
 403         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 404         struct ice_adapter *parent_adapter = &adapter->parent;
 405         struct ice_hw *parent_hw = &parent_adapter->hw;
 406         struct ice_dcf_hw *hw = &adapter->real_hw;
 407         const struct rte_ether_addr *mac;
 408         int err;
 409
 410         parent_adapter->pf.adapter = parent_adapter;
 411         parent_adapter->pf.dev_data = eth_dev->data;
 412         /* create a dummy main_vsi */
 413         parent_adapter->pf.main_vsi =
 414                 rte_zmalloc(NULL, sizeof(struct ice_vsi), 0);
 415         if (!parent_adapter->pf.main_vsi)
 416                 return -ENOMEM;
 417         parent_adapter->pf.main_vsi->adapter = parent_adapter;
 418         parent_adapter->pf.adapter_stopped = 1;
 419
 420         parent_hw->back = parent_adapter;
 421         parent_hw->mac_type = ICE_MAC_GENERIC;
 422         parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
 423
 424         ice_init_lock(&parent_hw->adminq.sq_lock);
 425         ice_init_lock(&parent_hw->adminq.rq_lock);
 426         parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
 427         parent_hw->aq_send_cmd_param = &adapter->real_hw;
 428         parent_hw->dcf_enabled = true;
 429
 430         err = ice_dcf_init_parent_hw(parent_hw);
 431         if (err) {
 432                 PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
 433                              err);
 434                 return err;
 435         }
 436
 437         if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) {
 438                 err = ice_dcf_query_port_ets(parent_hw, hw);
 439                 if (err) {
 440                         PMD_INIT_LOG(ERR, "failed to query port ets with error %d",
 441                                      err);
 442                         goto uninit_hw;
 443                 }
 444         }
 445
 446         err = ice_dcf_load_pkg(parent_adapter);
 447         if (err) {
 448                 PMD_INIT_LOG(ERR, "failed to load package with error %d",
 449                              err);
 450                 goto uninit_hw;
 451         }
 452
 453         parent_adapter->pf.main_vsi->idx = hw->num_vfs;
 454         ice_dcf_update_pf_vsi_map(parent_hw,
 455                         parent_adapter->pf.main_vsi->idx, hw->pf_vsi_id);
 456
 457         ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
 458
 459         err = ice_flow_init(parent_adapter);
 460         if (err) {
 461                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
 462                 goto uninit_hw;
 463         }
 464
 465         mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
 466         if (rte_is_valid_assigned_ether_addr(mac))
 467                 rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
 468         else
 469                 rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
 470
 471         eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
 472
 473         return 0;
 474
 475 uninit_hw:
 476         ice_dcf_uninit_parent_hw(parent_hw);
 477         return err;
 478 }
 479
 480 void
 481 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
 482 {
 483         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 484         struct ice_adapter *parent_adapter = &adapter->parent;
 485         struct ice_hw *parent_hw = &parent_adapter->hw;
 486
 487         eth_dev->data->mac_addrs = NULL;
 488
 489         ice_flow_uninit(parent_adapter);
 490         ice_dcf_uninit_parent_hw(parent_hw);
 491 }