GetDataBuffer
Accessor method to retrieve the data buffer associated with the specified request.
Declaration
IOMemoryDescriptor * GetDataBuffer (
SCSITaskIdentifierrequest );Parameters
- request:
A valid SCSITaskIdentifier.
Return Value
An IOMemoryDescriptor associated with the request. May be NULL if data transfer direction is kSCSIDataTransfer_NoDataTransfer.
Overview
Accessor method to retrieve the data buffer associated with the specified request.
See Also
Miscellaneous
AbortCommandAbortSCSICommandAbortSCSITaskFromQueueAbortTaskAbortTaskSetAddSCSITaskToHeadOfQueueAddSCSITaskToQueueClearACAClearTaskSetCommandCompletedCreateSCSITargetDeviceEnsureAutosenseDescriptorExistsExecuteCommandfreeGetAutosenseRequestedDataTransferCountGetCommandDescriptorBlockGetCommandDescriptorBlockSizeGetDataBufferOffsetGetDataTransferDirectionGetInitialPowerStateGetLogicalUnitBytesGetLogicalUnitNumberGetProtocolLayerReferenceGetRealizedDataTransferCountGetRequestedDataTransferCountGetTaskAttributeGetTaskExecutionModeGetTaskStateGetTimeoutDurationHandleAbortTaskHandleAbortTaskSetHandleCheckPowerStateHandleClearACAHandleClearTaskSetHandleLogicalUnitResetHandlePowerChangeHandlePowerOffHandlePowerOnHandleProtocolServiceFeatureHandleTargetResetinitInitializePowerManagementIsProtocolServiceSupportedLogicalUnitResetProcessCompletedTaskRegisterSCSITaskCompletionRoutineRejectSCSITasksCurrentlyQueuedRejectTaskRetrieveNextSCSITaskFromQueueSendNotification_DeviceRemovedSendNotification_VerifyDeviceStateSendSCSICommandSendSCSITasksFromQueueSetAutoSenseData(SCSITaskIdentifier, SCSI_Sense_Data *)SetAutoSenseData(SCSITaskIdentifier, SCSI_Sense_Data *, UInt8)SetProtocolLayerReferenceSetRealizedDataTransferCountSetTaskExecutionModeSetTaskStatestartTargetResetTicklePowerManager