private static Boolean Unmap(
IntPtr StorageUnitPtr,
IntPtr Descriptors, UInt32 Count,
ref StorageUnitStatus Status)
{
StorageUnitBase StorageUnit = (StorageUnitBase)Api.GetUserContext(StorageUnitPtr);
UnmapDescriptor[] DescriptorArray = Api.MakeUnmapDescriptorArray(Descriptors, Count);
try
{
StorageUnit.Unmap(DescriptorArray, ref Status);
}
catch (Exception)
{
}
return(true);
}
private static Boolean Flush(
IntPtr StorageUnitPtr,
UInt64 BlockAddress, UInt32 BlockCount,
ref StorageUnitStatus Status)
{
StorageUnitBase StorageUnit = (StorageUnitBase)Api.GetUserContext(StorageUnitPtr);
try
{
StorageUnit.Flush(BlockAddress, BlockCount, ref Status);
}
catch (Exception)
{
Status.SetSense(
StorageUnitBase.SCSI_SENSE_MEDIUM_ERROR,
StorageUnitBase.SCSI_ADSENSE_WRITE_ERROR);
}
return(true);
}
/* SPD_STORAGE_UNIT_INTERFACE */
private static Boolean Read(
IntPtr StorageUnitPtr,
IntPtr Buffer, UInt64 BlockAddress, UInt32 BlockCount, Boolean Flush,
ref StorageUnitStatus Status)
{
StorageUnitBase StorageUnit = (StorageUnitBase)Api.GetUserContext(StorageUnitPtr);
try
{
StorageUnit.Read(_ThreadBuffer, BlockAddress, BlockCount, Flush, ref Status);
}
catch (Exception)
{
Status.SetSense(
StorageUnitBase.SCSI_SENSE_MEDIUM_ERROR,
StorageUnitBase.SCSI_ADSENSE_UNRECOVERED_ERROR);
}
return(true);
}
/* ctor/dtor */
/// <summary>
/// Creates an instance of the StorageUnitHost class.
/// </summary>
/// <param name="StorageUnit">The storage unit to host.</param>
public StorageUnitHost(StorageUnitBase StorageUnit)
{
_StorageUnit = StorageUnit;
_ShutdownLock = new ReaderWriterLockSlim();
}
