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
  13 #define ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL     100000 /* us */
  14 static rte_spinlock_t vsi_update_lock = RTE_SPINLOCK_INITIALIZER;
  15
  16 static __rte_always_inline void
  17 ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
  18                        uint16_t vsi_map)
  19 {
  20         struct ice_vsi_ctx *vsi_ctx;
  21
  22         if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
  23                 PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
  24                 return;
  25         }
  26
  27         vsi_ctx = hw->vsi_ctx[vsi_handle];
  28
  29         if (vsi_map & VIRTCHNL_DCF_VF_VSI_VALID) {
  30                 if (!vsi_ctx) {
  31                         vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
  32                         if (!vsi_ctx) {
  33                                 PMD_DRV_LOG(ERR, "No memory for vsi context %u",
  34                                             vsi_handle);
  35                                 return;
  36                         }
  37                 }
  38
  39                 vsi_ctx->vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
  40                                               VIRTCHNL_DCF_VF_VSI_ID_S;
  41                 hw->vsi_ctx[vsi_handle] = vsi_ctx;
  42
  43                 PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
  44                             vsi_handle, vsi_ctx->vsi_num);
  45         } else {
  46                 hw->vsi_ctx[vsi_handle] = NULL;
  47
  48                 ice_free(hw, vsi_ctx);
  49
  50                 PMD_DRV_LOG(NOTICE, "VF%u is disabled", vsi_handle);
  51         }
  52 }
  53
  54 static void
  55 ice_dcf_update_vf_vsi_map(struct ice_hw *hw, uint16_t num_vfs,
  56                           uint16_t *vf_vsi_map)
  57 {
  58         uint16_t vf_id;
  59
  60         for (vf_id = 0; vf_id < num_vfs; vf_id++)
  61                 ice_dcf_update_vsi_ctx(hw, vf_id, vf_vsi_map[vf_id]);
  62 }
  63
  64 static void*
  65 ice_dcf_vsi_update_service_handler(void *param)
  66 {
  67         struct ice_dcf_hw *hw = param;
  68
  69         usleep(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL);
  70
  71         rte_spinlock_lock(&vsi_update_lock);
  72
  73         if (!ice_dcf_handle_vsi_update_event(hw)) {
  74                 struct ice_dcf_adapter *dcf_ad =
  75                         container_of(hw, struct ice_dcf_adapter, real_hw);
  76
  77                 ice_dcf_update_vf_vsi_map(&dcf_ad->parent.hw,
  78                                           hw->num_vfs, hw->vf_vsi_map);
  79         }
  80
  81         rte_spinlock_unlock(&vsi_update_lock);
  82
  83         return NULL;
  84 }
  85
  86 void
  87 ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
  88                             uint8_t *msg, uint16_t msglen)
  89 {
  90         struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
  91         pthread_t thread;
  92
  93         if (msglen < sizeof(struct virtchnl_pf_event)) {
  94                 PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
  95                 return;
  96         }
  97
  98         switch (pf_msg->event) {
  99         case VIRTCHNL_EVENT_RESET_IMPENDING:
 100                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
 101                 pthread_create(&thread, NULL,
 102                                ice_dcf_vsi_update_service_handler, dcf_hw);
 103                 break;
 104         case VIRTCHNL_EVENT_LINK_CHANGE:
 105                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
 106                 break;
 107         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
 108                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
 109                 break;
 110         case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
 111                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
 112                             pf_msg->event_data.vf_vsi_map.vf_id,
 113                             pf_msg->event_data.vf_vsi_map.vsi_id);
 114                 pthread_create(&thread, NULL,
 115                                ice_dcf_vsi_update_service_handler, dcf_hw);
 116                 break;
 117         default:
 118                 PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
 119                 break;
 120         }
 121 }
 122
 123 static int
 124 ice_dcf_init_parent_hw(struct ice_hw *hw)
 125 {
 126         struct ice_aqc_get_phy_caps_data *pcaps;
 127         enum ice_status status;
 128
 129         status = ice_aq_get_fw_ver(hw, NULL);
 130         if (status)
 131                 return status;
 132
 133         status = ice_get_caps(hw);
 134         if (status)
 135                 return status;
 136
 137         hw->port_info = (struct ice_port_info *)
 138                         ice_malloc(hw, sizeof(*hw->port_info));
 139         if (!hw->port_info)
 140                 return ICE_ERR_NO_MEMORY;
 141
 142         /* set the back pointer to HW */
 143         hw->port_info->hw = hw;
 144
 145         /* Initialize port_info struct with switch configuration data */
 146         status = ice_get_initial_sw_cfg(hw);
 147         if (status)
 148                 goto err_unroll_alloc;
 149
 150         pcaps = (struct ice_aqc_get_phy_caps_data *)
 151                 ice_malloc(hw, sizeof(*pcaps));
 152         if (!pcaps) {
 153                 status = ICE_ERR_NO_MEMORY;
 154                 goto err_unroll_alloc;
 155         }
 156
 157         /* Initialize port_info struct with PHY capabilities */
 158         status = ice_aq_get_phy_caps(hw->port_info, false,
 159                                      ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
 160         ice_free(hw, pcaps);
 161         if (status)
 162                 goto err_unroll_alloc;
 163
 164         /* Initialize port_info struct with link information */
 165         status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
 166         if (status)
 167                 goto err_unroll_alloc;
 168
 169         status = ice_init_fltr_mgmt_struct(hw);
 170         if (status)
 171                 goto err_unroll_alloc;
 172
 173         status = ice_init_hw_tbls(hw);
 174         if (status)
 175                 goto err_unroll_fltr_mgmt_struct;
 176
 177         PMD_INIT_LOG(INFO,
 178                      "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
 179                      hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
 180                      hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
 181                      hw->fw_build);
 182
 183         return ICE_SUCCESS;
 184
 185 err_unroll_fltr_mgmt_struct:
 186         ice_cleanup_fltr_mgmt_struct(hw);
 187 err_unroll_alloc:
 188         ice_free(hw, hw->port_info);
 189         hw->port_info = NULL;
 190
 191         return status;
 192 }
 193
 194 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
 195 {
 196         ice_cleanup_fltr_mgmt_struct(hw);
 197
 198         ice_free_seg(hw);
 199         ice_free_hw_tbls(hw);
 200
 201         ice_free(hw, hw->port_info);
 202         hw->port_info = NULL;
 203
 204         ice_clear_all_vsi_ctx(hw);
 205 }
 206
 207 static int
 208 ice_dcf_request_pkg_name(struct ice_hw *hw, char *pkg_name)
 209 {
 210         struct ice_dcf_adapter *dcf_adapter =
 211                         container_of(hw, struct ice_dcf_adapter, parent.hw);
 212
 213         /* TODO: check with DSN firstly by iAVF */
 214         PMD_INIT_LOG(DEBUG,
 215                      "DCF VSI_ID = %u",
 216                      dcf_adapter->real_hw.vsi_id);
 217
 218         snprintf(pkg_name,
 219                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_UPDATES);
 220         if (!access(pkg_name, 0))
 221                 return 0;
 222
 223         snprintf(pkg_name,
 224                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_DEFAULT);
 225         if (!access(pkg_name, 0))
 226                 return 0;
 227
 228         return -1;
 229 }
 230
 231 static int
 232 ice_dcf_load_pkg(struct ice_hw *hw)
 233 {
 234         char pkg_name[ICE_MAX_PKG_FILENAME_SIZE];
 235         uint8_t *pkg_buf;
 236         uint32_t buf_len;
 237         struct stat st;
 238         FILE *fp;
 239         int err;
 240
 241         if (ice_dcf_request_pkg_name(hw, pkg_name)) {
 242                 PMD_INIT_LOG(ERR, "Failed to locate the package file");
 243                 return -ENOENT;
 244         }
 245
 246         PMD_INIT_LOG(DEBUG, "DDP package name: %s", pkg_name);
 247
 248         err = stat(pkg_name, &st);
 249         if (err) {
 250                 PMD_INIT_LOG(ERR, "Failed to get file status");
 251                 return err;
 252         }
 253
 254         buf_len = st.st_size;
 255         pkg_buf = rte_malloc(NULL, buf_len, 0);
 256         if (!pkg_buf) {
 257                 PMD_INIT_LOG(ERR, "failed to allocate buffer of size %u for package",
 258                              buf_len);
 259                 return -1;
 260         }
 261
 262         fp = fopen(pkg_name, "rb");
 263         if (!fp)  {
 264                 PMD_INIT_LOG(ERR, "failed to open file: %s", pkg_name);
 265                 err = -1;
 266                 goto ret;
 267         }
 268
 269         err = fread(pkg_buf, buf_len, 1, fp);
 270         fclose(fp);
 271         if (err != 1) {
 272                 PMD_INIT_LOG(ERR, "failed to read package data");
 273                 err = -1;
 274                 goto ret;
 275         }
 276
 277         err = ice_copy_and_init_pkg(hw, pkg_buf, buf_len);
 278         if (err)
 279                 PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d", err);
 280
 281 ret:
 282         rte_free(pkg_buf);
 283         return err;
 284 }
 285
 286 int
 287 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
 288 {
 289         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 290         struct ice_adapter *parent_adapter = &adapter->parent;
 291         struct ice_hw *parent_hw = &parent_adapter->hw;
 292         struct ice_dcf_hw *hw = &adapter->real_hw;
 293         const struct rte_ether_addr *mac;
 294         int err;
 295
 296         parent_adapter->eth_dev = eth_dev;
 297         parent_adapter->pf.adapter = parent_adapter;
 298         parent_adapter->pf.dev_data = eth_dev->data;
 299         parent_hw->back = parent_adapter;
 300         parent_hw->mac_type = ICE_MAC_GENERIC;
 301         parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
 302
 303         ice_init_lock(&parent_hw->adminq.sq_lock);
 304         ice_init_lock(&parent_hw->adminq.rq_lock);
 305         parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
 306         parent_hw->aq_send_cmd_param = &adapter->real_hw;
 307         parent_hw->dcf_enabled = true;
 308
 309         err = ice_dcf_init_parent_hw(parent_hw);
 310         if (err) {
 311                 PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
 312                              err);
 313                 return err;
 314         }
 315
 316         err = ice_dcf_load_pkg(parent_hw);
 317         if (err) {
 318                 PMD_INIT_LOG(ERR, "failed to load package with error %d",
 319                              err);
 320                 goto uninit_hw;
 321         }
 322         parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
 323
 324         ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
 325
 326         mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
 327         if (rte_is_valid_assigned_ether_addr(mac))
 328                 rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
 329         else
 330                 rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
 331
 332         eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
 333
 334         return 0;
 335
 336 uninit_hw:
 337         ice_dcf_uninit_parent_hw(parent_hw);
 338         return err;
 339 }
 340
 341 void
 342 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
 343 {
 344         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 345         struct ice_adapter *parent_adapter = &adapter->parent;
 346         struct ice_hw *parent_hw = &parent_adapter->hw;
 347
 348         eth_dev->data->mac_addrs = NULL;
 349
 350         ice_dcf_uninit_parent_hw(parent_hw);
 351 }