iokit/Kernel/IODMACommand.cpp

113 				UInt64          maxTransferSize,
122 					 mappingOptions, maxTransferSize,
146 				    UInt64          maxTransferSize,
171     if (!maxTransferSize)
172 	maxTransferSize--;	// Set Max transfer to -1
192     fMaxTransferSize = maxTransferSize;
603 				       UInt64		maxTransferSize,
632     if (!maxTransferSize)
633 	maxTransferSize--;	// Set Max transfer to -1
664     fMaxTransferSize = maxTransferSize;