content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package com.cloud.hypervisor.kvm.dpdk;
  
  import com.cloud.utils.component.Adapter;
  
  import java.util.Map;
  
  public interface DpdkDriver extends Adapter {
  
      /**
       * Get the next DPDK port name to be created
       */
      String getNextDpdkPort();
  
      /**
       * Get the latest DPDK port number created on a DPDK enabled host
       */
      int getDpdkLatestPortNumberUsed();
  
      /**
       * Add OVS port (if it does not exist) to bridge with DPDK support
       */
      void addDpdkPort(String bridgeName, String port, String vlan, DpdkHelper.VHostUserMode vHostUserMode, String dpdkOvsPath);
  
      /**
       * Since DPDK user client/server mode, retrieve the guest interfaces mode from the DPDK vHost User mode
       */
      String getGuestInterfacesModeFromDpdkVhostUserMode(DpdkHelper.VHostUserMode dpdKvHostUserMode);
  
      /**
       * Get DPDK vHost User mode from extra config. If it is not present, server is returned as default
       */
      DpdkHelper.VHostUserMode getDpdkvHostUserMode(Map<String, String> extraConfig);
  
      /**
       * Check for additional extra 'dpdk-interface' configurations, return them appended
       */
      String getExtraDpdkProperties(Map<String, String> extraConfig);
  }
  