important type for driver

IOReturn: IOKit/IOReturn.h

IOByteCount: IOKit/IOTypes.h

SCSITaskIdentifier: IOKit/scsi/SCSITask.h

IOBufferMemoryDescriptor: IOKit/IOBufferMemoryDescriptor.h

SCSI_Sense_Data: IOKit/scsi/SCSICmds_REQUEST_SENSE_Defs.h

UInt64: libkern/OSTypes.h

NULL: string.h