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