tests/msgq/1.0/ITestMsgQ.hal

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed 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 android.hardware.tests.msgq@1.0;

interface ITestMsgQ {

  struct shm_t {
    uint32_t fdIndex;
    uint32_t offset;
    uint32_t extent;
  };
  struct WireGrantorDescriptor {
    uint32_t flags;
    shm_t shm;
  };

  struct WireMQDescriptor {
    vec<WireGrantorDescriptor> grantors;
    handle mq_handle;
    uint32_t quantum;
    uint32_t nQuanta;
    uint32_t flags;
  };


  configure() generates ( WireMQDescriptor mq_desc );
  requestWrite (int32_t count) generates (int32_t ret);
  requestRead(int32_t count) generates (int32_t ret);

};