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 static __rte_always_inline void
  18 ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
  19                        uint16_t vsi_map)
  20 {
  21         struct ice_vsi_ctx *vsi_ctx;
  22         bool first_update = false;
  23         uint16_t new_vsi_num;
  24
  25         if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
  26                 PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
  27                 return;
  28         }
  29
  30         vsi_ctx = hw->vsi_ctx[vsi_handle];
  31
  32         if (vsi_map & VIRTCHNL_DCF_VF_VSI_VALID) {
  33                 if (!vsi_ctx) {
  34                         vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
  35                         if (!vsi_ctx) {
  36                                 PMD_DRV_LOG(ERR, "No memory for vsi context %u",
  37                                             vsi_handle);
  38                                 return;
  39                         }
  40                         hw->vsi_ctx[vsi_handle] = vsi_ctx;
  41                         first_update = true;
  42                 }
  43
  44                 new_vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
  45                         VIRTCHNL_DCF_VF_VSI_ID_S;
  46
  47                 /* Redirect rules if vsi mapping table changes. */
  48                 if (!first_update) {
  49                         struct ice_flow_redirect rd;
  50
  51                         memset(&rd, 0, sizeof(struct ice_flow_redirect));
  52                         rd.type = ICE_FLOW_REDIRECT_VSI;
  53                         rd.vsi_handle = vsi_handle;
  54                         rd.new_vsi_num = new_vsi_num;
  55                         ice_flow_redirect((struct ice_adapter *)hw->back, &rd);
  56                 } else {
  57                         vsi_ctx->vsi_num = new_vsi_num;
  58                 }
  59
  60                 PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
  61                             vsi_handle, vsi_ctx->vsi_num);
  62         } else {
  63                 hw->vsi_ctx[vsi_handle] = NULL;
  64
  65                 ice_free(hw, vsi_ctx);
  66
  67                 PMD_DRV_LOG(NOTICE, "VF%u is disabled", vsi_handle);
  68         }
  69 }
  70
  71 static void
  72 ice_dcf_update_vf_vsi_map(struct ice_hw *hw, uint16_t num_vfs,
  73                           uint16_t *vf_vsi_map)
  74 {
  75         uint16_t vf_id;
  76
  77         for (vf_id = 0; vf_id < num_vfs; vf_id++)
  78                 ice_dcf_update_vsi_ctx(hw, vf_id, vf_vsi_map[vf_id]);
  79 }
  80
  81 static void*
  82 ice_dcf_vsi_update_service_handler(void *param)
  83 {
  84         struct ice_dcf_hw *hw = param;
  85
  86         usleep(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL);
  87
  88         rte_spinlock_lock(&vsi_update_lock);
  89
  90         if (!ice_dcf_handle_vsi_update_event(hw)) {
  91                 struct ice_dcf_adapter *dcf_ad =
  92                         container_of(hw, struct ice_dcf_adapter, real_hw);
  93
  94                 ice_dcf_update_vf_vsi_map(&dcf_ad->parent.hw,
  95                                           hw->num_vfs, hw->vf_vsi_map);
  96         }
  97
  98         rte_spinlock_unlock(&vsi_update_lock);
  99
 100         return NULL;
 101 }
 102
 103 void
 104 ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
 105                             uint8_t *msg, uint16_t msglen)
 106 {
 107         struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
 108         pthread_t thread;
 109
 110         if (msglen < sizeof(struct virtchnl_pf_event)) {
 111                 PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
 112                 return;
 113         }
 114
 115         switch (pf_msg->event) {
 116         case VIRTCHNL_EVENT_RESET_IMPENDING:
 117                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
 118                 pthread_create(&thread, NULL,
 119                                ice_dcf_vsi_update_service_handler, dcf_hw);
 120                 break;
 121         case VIRTCHNL_EVENT_LINK_CHANGE:
 122                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
 123                 break;
 124         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
 125                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
 126                 break;
 127         case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
 128                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
 129                             pf_msg->event_data.vf_vsi_map.vf_id,
 130                             pf_msg->event_data.vf_vsi_map.vsi_id);
 131                 pthread_create(&thread, NULL,
 132                                ice_dcf_vsi_update_service_handler, dcf_hw);
 133                 break;
 134         default:
 135                 PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
 136                 break;
 137         }
 138 }
 139
 140 static int
 141 ice_dcf_init_parent_hw(struct ice_hw *hw)
 142 {
 143         struct ice_aqc_get_phy_caps_data *pcaps;
 144         enum ice_status status;
 145
 146         status = ice_aq_get_fw_ver(hw, NULL);
 147         if (status)
 148                 return status;
 149
 150         status = ice_get_caps(hw);
 151         if (status)
 152                 return status;
 153
 154         hw->port_info = (struct ice_port_info *)
 155                         ice_malloc(hw, sizeof(*hw->port_info));
 156         if (!hw->port_info)
 157                 return ICE_ERR_NO_MEMORY;
 158
 159         /* set the back pointer to HW */
 160         hw->port_info->hw = hw;
 161
 162         /* Initialize port_info struct with switch configuration data */
 163         status = ice_get_initial_sw_cfg(hw);
 164         if (status)
 165                 goto err_unroll_alloc;
 166
 167         pcaps = (struct ice_aqc_get_phy_caps_data *)
 168                 ice_malloc(hw, sizeof(*pcaps));
 169         if (!pcaps) {
 170                 status = ICE_ERR_NO_MEMORY;
 171                 goto err_unroll_alloc;
 172         }
 173
 174         /* Initialize port_info struct with PHY capabilities */
 175         status = ice_aq_get_phy_caps(hw->port_info, false,
 176                                      ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
 177         ice_free(hw, pcaps);
 178         if (status)
 179                 goto err_unroll_alloc;
 180
 181         /* Initialize port_info struct with link information */
 182         status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
 183         if (status)
 184                 goto err_unroll_alloc;
 185
 186         status = ice_init_fltr_mgmt_struct(hw);
 187         if (status)
 188                 goto err_unroll_alloc;
 189
 190         status = ice_init_hw_tbls(hw);
 191         if (status)
 192                 goto err_unroll_fltr_mgmt_struct;
 193
 194         PMD_INIT_LOG(INFO,
 195                      "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
 196                      hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
 197                      hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
 198                      hw->fw_build);
 199
 200         return ICE_SUCCESS;
 201
 202 err_unroll_fltr_mgmt_struct:
 203         ice_cleanup_fltr_mgmt_struct(hw);
 204 err_unroll_alloc:
 205         ice_free(hw, hw->port_info);
 206         hw->port_info = NULL;
 207
 208         return status;
 209 }
 210
 211 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
 212 {
 213         ice_cleanup_fltr_mgmt_struct(hw);
 214
 215         ice_free_seg(hw);
 216         ice_free_hw_tbls(hw);
 217
 218         ice_free(hw, hw->port_info);
 219         hw->port_info = NULL;
 220
 221         ice_clear_all_vsi_ctx(hw);
 222 }
 223
 224 static int
 225 ice_dcf_request_pkg_name(struct ice_hw *hw, char *pkg_name)
 226 {
 227         struct ice_dcf_adapter *dcf_adapter =
 228                         container_of(hw, struct ice_dcf_adapter, parent.hw);
 229         struct virtchnl_pkg_info pkg_info;
 230         struct dcf_virtchnl_cmd vc_cmd;
 231         uint64_t dsn;
 232
 233         vc_cmd.v_op = VIRTCHNL_OP_DCF_GET_PKG_INFO;
 234         vc_cmd.req_msglen = 0;
 235         vc_cmd.req_msg = NULL;
 236         vc_cmd.rsp_buflen = sizeof(pkg_info);
 237         vc_cmd.rsp_msgbuf = (uint8_t *)&pkg_info;
 238
 239         if (ice_dcf_execute_virtchnl_cmd(&dcf_adapter->real_hw, &vc_cmd))
 240                 goto pkg_file_direct;
 241
 242         rte_memcpy(&dsn, pkg_info.dsn, sizeof(dsn));
 243
 244         snprintf(pkg_name, ICE_MAX_PKG_FILENAME_SIZE,
 245                  ICE_PKG_FILE_SEARCH_PATH_UPDATES "ice-%016llx.pkg",
 246                  (unsigned long long)dsn);
 247         if (!access(pkg_name, 0))
 248                 return 0;
 249
 250         snprintf(pkg_name, ICE_MAX_PKG_FILENAME_SIZE,
 251                  ICE_PKG_FILE_SEARCH_PATH_DEFAULT "ice-%016llx.pkg",
 252                  (unsigned long long)dsn);
 253         if (!access(pkg_name, 0))
 254                 return 0;
 255
 256 pkg_file_direct:
 257         snprintf(pkg_name,
 258                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_UPDATES);
 259         if (!access(pkg_name, 0))
 260                 return 0;
 261
 262         snprintf(pkg_name,
 263                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_DEFAULT);
 264         if (!access(pkg_name, 0))
 265                 return 0;
 266
 267         return -1;
 268 }
 269
 270 static int
 271 ice_dcf_load_pkg(struct ice_hw *hw)
 272 {
 273         char pkg_name[ICE_MAX_PKG_FILENAME_SIZE];
 274         uint8_t *pkg_buf;
 275         uint32_t buf_len;
 276         struct stat st;
 277         FILE *fp;
 278         int err;
 279
 280         if (ice_dcf_request_pkg_name(hw, pkg_name)) {
 281                 PMD_INIT_LOG(ERR, "Failed to locate the package file");
 282                 return -ENOENT;
 283         }
 284
 285         PMD_INIT_LOG(DEBUG, "DDP package name: %s", pkg_name);
 286
 287         err = stat(pkg_name, &st);
 288         if (err) {
 289                 PMD_INIT_LOG(ERR, "Failed to get file status");
 290                 return err;
 291         }
 292
 293         buf_len = st.st_size;
 294         pkg_buf = rte_malloc(NULL, buf_len, 0);
 295         if (!pkg_buf) {
 296                 PMD_INIT_LOG(ERR, "failed to allocate buffer of size %u for package",
 297                              buf_len);
 298                 return -1;
 299         }
 300
 301         fp = fopen(pkg_name, "rb");
 302         if (!fp)  {
 303                 PMD_INIT_LOG(ERR, "failed to open file: %s", pkg_name);
 304                 err = -1;
 305                 goto ret;
 306         }
 307
 308         err = fread(pkg_buf, buf_len, 1, fp);
 309         fclose(fp);
 310         if (err != 1) {
 311                 PMD_INIT_LOG(ERR, "failed to read package data");
 312                 err = -1;
 313                 goto ret;
 314         }
 315
 316         err = ice_copy_and_init_pkg(hw, pkg_buf, buf_len);
 317         if (err)
 318                 PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d", err);
 319
 320 ret:
 321         rte_free(pkg_buf);
 322         return err;
 323 }
 324
 325 int
 326 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
 327 {
 328         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 329         struct ice_adapter *parent_adapter = &adapter->parent;
 330         struct ice_hw *parent_hw = &parent_adapter->hw;
 331         struct ice_dcf_hw *hw = &adapter->real_hw;
 332         const struct rte_ether_addr *mac;
 333         int err;
 334
 335         parent_adapter->eth_dev = eth_dev;
 336         parent_adapter->pf.adapter = parent_adapter;
 337         parent_adapter->pf.dev_data = eth_dev->data;
 338         /* create a dummy main_vsi */
 339         parent_adapter->pf.main_vsi =
 340                 rte_zmalloc(NULL, sizeof(struct ice_vsi), 0);
 341         if (!parent_adapter->pf.main_vsi)
 342                 return -ENOMEM;
 343         parent_adapter->pf.main_vsi->adapter = parent_adapter;
 344         parent_adapter->pf.adapter_stopped = 1;
 345
 346         parent_hw->back = parent_adapter;
 347         parent_hw->mac_type = ICE_MAC_GENERIC;
 348         parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
 349
 350         ice_init_lock(&parent_hw->adminq.sq_lock);
 351         ice_init_lock(&parent_hw->adminq.rq_lock);
 352         parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
 353         parent_hw->aq_send_cmd_param = &adapter->real_hw;
 354         parent_hw->dcf_enabled = true;
 355
 356         err = ice_dcf_init_parent_hw(parent_hw);
 357         if (err) {
 358                 PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
 359                              err);
 360                 return err;
 361         }
 362
 363         err = ice_dcf_load_pkg(parent_hw);
 364         if (err) {
 365                 PMD_INIT_LOG(ERR, "failed to load package with error %d",
 366                              err);
 367                 goto uninit_hw;
 368         }
 369         parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
 370
 371         err = ice_flow_init(parent_adapter);
 372         if (err) {
 373                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
 374                 goto uninit_hw;
 375         }
 376
 377         ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
 378
 379         mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
 380         if (rte_is_valid_assigned_ether_addr(mac))
 381                 rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
 382         else
 383                 rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
 384
 385         eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
 386
 387         return 0;
 388
 389 uninit_hw:
 390         ice_dcf_uninit_parent_hw(parent_hw);
 391         return err;
 392 }
 393
 394 void
 395 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
 396 {
 397         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 398         struct ice_adapter *parent_adapter = &adapter->parent;
 399         struct ice_hw *parent_hw = &parent_adapter->hw;
 400
 401         eth_dev->data->mac_addrs = NULL;
 402
 403         ice_flow_uninit(parent_adapter);
 404         ice_dcf_uninit_parent_hw(parent_hw);
 405 }