types/IMsg.hal

version 1.0;
package android.hardware.tests;

interface IMsg {

  struct simple_t {
    uint32_t int1;
    uint32_t int2;
  };

  struct lots_of_data {
    uint8_t[4096] buffer;
  };
  struct shm_t {
    uint32_t fdIndex;
    uint32_t offset;
    uint32_t extent;
  };
  struct GrantorDescriptor {
    uint32_t flags;
    shm_t shm;
  };

  struct MQDescriptor {
    vec<GrantorDescriptor> grantors;
    handle mq_handles;
    uint32_t quantum;
    uint32_t nQuanta;
    uint32_t flags;
  };


  configure() generates ( MQDescriptor mqdescIn, MQDescriptor mqdescOut );
  requestWrite (int32_t count) generates (int32_t ret);
  requestRead(int32_t count) generates (int32_t ret);

};