+i40e_aq_debug_write_global_register(struct i40e_hw *hw,
+ uint32_t reg_addr, uint64_t reg_val,
+ struct i40e_asq_cmd_details *cmd_details)
+{
+ uint64_t ori_reg_val;
+ struct rte_eth_dev *dev;
+ int ret;
+
+ ret = i40e_aq_debug_read_register(hw, reg_addr, &ori_reg_val, NULL);
+ if (ret != I40E_SUCCESS) {
+ PMD_DRV_LOG(ERR,
+ "Fail to debug read from 0x%08x",
+ reg_addr);
+ return -EIO;
+ }
+ dev = ((struct i40e_adapter *)hw->back)->eth_dev;
+
+ if (ori_reg_val != reg_val)
+ PMD_DRV_LOG(WARNING,
+ "i40e device %s changed global register [0x%08x]."
+ " original: 0x%"PRIx64", after: 0x%"PRIx64,
+ dev->device->name, reg_addr, ori_reg_val, reg_val);
+
+ return i40e_aq_debug_write_register(hw, reg_addr, reg_val, cmd_details);
+}
+
+static int
+i40e_parse_latest_vec_handler(__rte_unused const char *key,
+ const char *value,
+ void *opaque)
+{
+ struct i40e_adapter *ad = opaque;
+ int use_latest_vec;
+
+ use_latest_vec = atoi(value);
+
+ if (use_latest_vec != 0 && use_latest_vec != 1)
+ PMD_DRV_LOG(WARNING, "Value should be 0 or 1, set it as 1!");
+
+ ad->use_latest_vec = (uint8_t)use_latest_vec;
+
+ return 0;
+}
+
+static int
+i40e_use_latest_vec(struct rte_eth_dev *dev)
+{
+ struct i40e_adapter *ad =
+ I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+ struct rte_kvargs *kvlist;
+ int kvargs_count;
+
+ ad->use_latest_vec = false;
+
+ if (!dev->device->devargs)
+ return 0;
+
+ kvlist = rte_kvargs_parse(dev->device->devargs->args, valid_keys);
+ if (!kvlist)
+ return -EINVAL;
+
+ kvargs_count = rte_kvargs_count(kvlist, ETH_I40E_USE_LATEST_VEC);
+ if (!kvargs_count) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+
+ if (kvargs_count > 1)
+ PMD_DRV_LOG(WARNING, "More than one argument \"%s\" and only "
+ "the first invalid or last valid one is used !",
+ ETH_I40E_USE_LATEST_VEC);
+
+ if (rte_kvargs_process(kvlist, ETH_I40E_USE_LATEST_VEC,
+ i40e_parse_latest_vec_handler, ad) < 0) {
+ rte_kvargs_free(kvlist);
+ return -EINVAL;
+ }
+
+ rte_kvargs_free(kvlist);
+ return 0;
+}
+
+#define I40E_ALARM_INTERVAL 50000 /* us */
+
+static int
+eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused)