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 <unistd.h>
   7
   8 #include "ice_dcf_ethdev.h"
   9
  10 void
  11 ice_dcf_handle_pf_event_msg(__rte_unused struct ice_dcf_hw *dcf_hw,
  12                             uint8_t *msg, uint16_t msglen)
  13 {
  14         struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
  15
  16         if (msglen < sizeof(struct virtchnl_pf_event)) {
  17                 PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
  18                 return;
  19         }
  20
  21         switch (pf_msg->event) {
  22         case VIRTCHNL_EVENT_RESET_IMPENDING:
  23                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
  24                 break;
  25         case VIRTCHNL_EVENT_LINK_CHANGE:
  26                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
  27                 break;
  28         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
  29                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
  30                 break;
  31         default:
  32                 PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
  33                 break;
  34         }
  35 }
  36
  37 static int
  38 ice_dcf_init_parent_hw(struct ice_hw *hw)
  39 {
  40         struct ice_aqc_get_phy_caps_data *pcaps;
  41         enum ice_status status;
  42
  43         status = ice_aq_get_fw_ver(hw, NULL);
  44         if (status)
  45                 return status;
  46
  47         status = ice_get_caps(hw);
  48         if (status)
  49                 return status;
  50
  51         hw->port_info = (struct ice_port_info *)
  52                         ice_malloc(hw, sizeof(*hw->port_info));
  53         if (!hw->port_info)
  54                 return ICE_ERR_NO_MEMORY;
  55
  56         /* set the back pointer to HW */
  57         hw->port_info->hw = hw;
  58
  59         /* Initialize port_info struct with switch configuration data */
  60         status = ice_get_initial_sw_cfg(hw);
  61         if (status)
  62                 goto err_unroll_alloc;
  63
  64         pcaps = (struct ice_aqc_get_phy_caps_data *)
  65                 ice_malloc(hw, sizeof(*pcaps));
  66         if (!pcaps) {
  67                 status = ICE_ERR_NO_MEMORY;
  68                 goto err_unroll_alloc;
  69         }
  70
  71         /* Initialize port_info struct with PHY capabilities */
  72         status = ice_aq_get_phy_caps(hw->port_info, false,
  73                                      ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
  74         ice_free(hw, pcaps);
  75         if (status)
  76                 goto err_unroll_alloc;
  77
  78         /* Initialize port_info struct with link information */
  79         status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
  80         if (status)
  81                 goto err_unroll_alloc;
  82
  83         status = ice_init_fltr_mgmt_struct(hw);
  84         if (status)
  85                 goto err_unroll_alloc;
  86
  87         status = ice_init_hw_tbls(hw);
  88         if (status)
  89                 goto err_unroll_fltr_mgmt_struct;
  90
  91         PMD_INIT_LOG(INFO,
  92                      "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
  93                      hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
  94                      hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
  95                      hw->fw_build);
  96
  97         return ICE_SUCCESS;
  98
  99 err_unroll_fltr_mgmt_struct:
 100         ice_cleanup_fltr_mgmt_struct(hw);
 101 err_unroll_alloc:
 102         ice_free(hw, hw->port_info);
 103         hw->port_info = NULL;
 104
 105         return status;
 106 }
 107
 108 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
 109 {
 110         ice_cleanup_fltr_mgmt_struct(hw);
 111
 112         ice_free_seg(hw);
 113         ice_free_hw_tbls(hw);
 114
 115         ice_free(hw, hw->port_info);
 116         hw->port_info = NULL;
 117
 118         ice_clear_all_vsi_ctx(hw);
 119 }
 120
 121 static int
 122 ice_dcf_request_pkg_name(struct ice_hw *hw, char *pkg_name)
 123 {
 124         struct ice_dcf_adapter *dcf_adapter =
 125                         container_of(hw, struct ice_dcf_adapter, parent.hw);
 126
 127         /* TODO: check with DSN firstly by iAVF */
 128         PMD_INIT_LOG(DEBUG,
 129                      "DCF VSI_ID = %u",
 130                      dcf_adapter->real_hw.vsi_id);
 131
 132         snprintf(pkg_name,
 133                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_UPDATES);
 134         if (!access(pkg_name, 0))
 135                 return 0;
 136
 137         snprintf(pkg_name,
 138                  ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_DEFAULT);
 139         if (!access(pkg_name, 0))
 140                 return 0;
 141
 142         return -1;
 143 }
 144
 145 static int
 146 ice_dcf_load_pkg(struct ice_hw *hw)
 147 {
 148         char pkg_name[ICE_MAX_PKG_FILENAME_SIZE];
 149         uint8_t *pkg_buf;
 150         uint32_t buf_len;
 151         struct stat st;
 152         FILE *fp;
 153         int err;
 154
 155         if (ice_dcf_request_pkg_name(hw, pkg_name)) {
 156                 PMD_INIT_LOG(ERR, "Failed to locate the package file");
 157                 return -ENOENT;
 158         }
 159
 160         PMD_INIT_LOG(DEBUG, "DDP package name: %s", pkg_name);
 161
 162         err = stat(pkg_name, &st);
 163         if (err) {
 164                 PMD_INIT_LOG(ERR, "Failed to get file status");
 165                 return err;
 166         }
 167
 168         buf_len = st.st_size;
 169         pkg_buf = rte_malloc(NULL, buf_len, 0);
 170         if (!pkg_buf) {
 171                 PMD_INIT_LOG(ERR, "failed to allocate buffer of size %u for package",
 172                              buf_len);
 173                 return -1;
 174         }
 175
 176         fp = fopen(pkg_name, "rb");
 177         if (!fp)  {
 178                 PMD_INIT_LOG(ERR, "failed to open file: %s", pkg_name);
 179                 err = -1;
 180                 goto ret;
 181         }
 182
 183         err = fread(pkg_buf, buf_len, 1, fp);
 184         fclose(fp);
 185         if (err != 1) {
 186                 PMD_INIT_LOG(ERR, "failed to read package data");
 187                 err = -1;
 188                 goto ret;
 189         }
 190
 191         err = ice_copy_and_init_pkg(hw, pkg_buf, buf_len);
 192         if (err)
 193                 PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d", err);
 194
 195 ret:
 196         rte_free(pkg_buf);
 197         return err;
 198 }
 199
 200 int
 201 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
 202 {
 203         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 204         struct ice_adapter *parent_adapter = &adapter->parent;
 205         struct ice_hw *parent_hw = &parent_adapter->hw;
 206         struct ice_dcf_hw *hw = &adapter->real_hw;
 207         const struct rte_ether_addr *mac;
 208         int err;
 209
 210         parent_adapter->eth_dev = eth_dev;
 211         parent_adapter->pf.adapter = parent_adapter;
 212         parent_adapter->pf.dev_data = eth_dev->data;
 213         parent_hw->back = parent_adapter;
 214         parent_hw->mac_type = ICE_MAC_GENERIC;
 215         parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
 216
 217         ice_init_lock(&parent_hw->adminq.sq_lock);
 218         ice_init_lock(&parent_hw->adminq.rq_lock);
 219         parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
 220         parent_hw->aq_send_cmd_param = &adapter->real_hw;
 221         parent_hw->dcf_enabled = true;
 222
 223         err = ice_dcf_init_parent_hw(parent_hw);
 224         if (err) {
 225                 PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
 226                              err);
 227                 return err;
 228         }
 229
 230         err = ice_dcf_load_pkg(parent_hw);
 231         if (err) {
 232                 PMD_INIT_LOG(ERR, "failed to load package with error %d",
 233                              err);
 234                 goto uninit_hw;
 235         }
 236         parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
 237
 238         mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
 239         if (rte_is_valid_assigned_ether_addr(mac))
 240                 rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
 241         else
 242                 rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
 243
 244         eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
 245
 246         return 0;
 247
 248 uninit_hw:
 249         ice_dcf_uninit_parent_hw(parent_hw);
 250         return err;
 251 }
 252
 253 void
 254 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
 255 {
 256         struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
 257         struct ice_adapter *parent_adapter = &adapter->parent;
 258         struct ice_hw *parent_hw = &parent_adapter->hw;
 259
 260         eth_dev->data->mac_addrs = NULL;
 261
 262         ice_dcf_uninit_parent_hw(parent_hw);
 263 }