GetDataTransferDirection
Retrieves the data transfer direction for any data associated with the request.
Declaration
UInt8 GetDataTransferDirection (
SCSIParallelTaskIdentifierparallelTask );Parameters
- parallelTask:
A valid SCSIParallelTaskIdentifier.
Return Value
One of the valid data transfer directions described in <IOKit/scsi/SCSITask.h>
See Also
Miscellaneous
CompleteParallelTaskCreateDeviceInterruptCreateTargetForID(SCSIDeviceIdentifier)CreateTargetForID(SCSIDeviceIdentifier, OSDictionary *)DestroyTargetForIDDisableInterruptDoesHBAPerformAutoSenseDoesHBAPerformDeviceManagementDoesHBASupportMultiPathingDoesHBASupportSCSIParallelFeatureEnableInterruptExecuteParallelTaskFilterInterruptRequestFindTaskForAddressFindTaskForControllerIdentifierFreeSCSIParallelTaskGetAutoSenseDataGetAutoSenseDataSizeGetCommandDescriptorBlockGetCommandDescriptorBlockSizeGetCommandGateGetDataBufferGetDataBufferOffsetGetDMACommandGetHBADataDescriptorGetHBADataPointerGetHBADataSizeGetHBATargetDataPointerGetHBATargetDataSizeGetLogicalUnitBytesGetLogicalUnitNumberGetProviderGetRealizedDataTransferCountGetRequestedDataTransferCountGetSCSIDomainIdentifierGetSCSIParallelFeatureNegotiationGetSCSIParallelFeatureNegotiationCountGetSCSIParallelFeatureNegotiationResultGetSCSIParallelFeatureNegotiationResultCountGetSCSIParallelTaskGetSCSITaskIdentifierGetTaggedTaskIdentifierGetTargetForIDGetTargetIdentifierGetTaskAttributeGetTimeoutDurationGetWorkLoopHandleInterruptRequestHandleTimeoutIncrementRealizedDataTransferCountInitializeControllerInitializeDMASpecificationInitializeTargetForIDNotifyClientsOfBusResetNotifyClientsOfPortStatusChangeProcessParallelTaskRemoveHBAPropertyRemoveTargetPropertyReportHBAConstraintsReportHBAHighestLogicalUnitNumberReportHBASpecificDeviceDataSizeReportHBASpecificTaskDataSizeReportHighestSupportedDeviceIDReportInitiatorIdentifierReportMaximumTaskCountResumeServicesSetAutoSenseDataSetControllerTaskIdentifierSetHBAPropertySetRealizedDataTransferCountSetSCSIParallelFeatureNegotiationResultSetTargetPropertySetTimeoutForTaskSignalInterruptStartControllerStopControllerSuspendServicesTerminateController