iokit/IOKit/IOMemoryDescriptor.h

177     IOByteCount         _length;           /* length of all ranges */
183     virtual IOPhysicalAddress getSourceSegment( IOByteCount offset,
184 						IOByteCount * length ) APPLE_KEXT_DEPRECATED;
199     virtual addr64_t getPhysicalSegment64( IOByteCount offset,
200                                             IOByteCount * length ) APPLE_KEXT_DEPRECATED; /* use getPhysicalSegment() and kIOMemoryMapperNone instead */
231                                         IOByteCount offset, IOByteCount length );
244     virtual addr64_t getPhysicalSegment( IOByteCount   offset,
245                                          IOByteCount * length,
248     virtual addr64_t getPhysicalSegment( IOByteCount   offset,
249                                          IOByteCount * length,
310                                             IOByteCount  withLength,
315                                             IOByteCount  withLength,
330 				IOByteCount		withLength,
414 					     IOByteCount offset,
415 					     IOByteCount length,
431                                  IOByteCount  withLength,
434                                  IOByteCount  withLength,
439 				 IOByteCount		withLength,
464     virtual IOByteCount getLength() const;
488     virtual IOByteCount readBytes(IOByteCount offset,
489 				void * bytes, IOByteCount withLength);
499     virtual IOByteCount writeBytes(IOByteCount offset,
500 				const void * bytes, IOByteCount withLength);
503     virtual IOPhysicalAddress getPhysicalSegment(IOByteCount offset,
504 						 IOByteCount * length);
515     virtual void * getVirtualSegment(IOByteCount offset,
516 					IOByteCount * length) APPLE_KEXT_DEPRECATED; /* use map() and getVirtualAddress() instead */
567 	IOByteCount		offset = 0,
568 	IOByteCount		length = 0 ) APPLE_KEXT_DEPRECATED; /* use createMappingInTask() instead */
613 	IOByteCount		offset,
614 	IOByteCount		length );
627 	IOByteCount		sourceOffset = 0,
628 	IOByteCount		length = 0 );
633 	IOByteCount		length );
681     virtual IOPhysicalAddress 	getPhysicalSegment(IOByteCount offset,
682 	       					   IOByteCount * length,
685     virtual IOPhysicalAddress 	getPhysicalSegment(IOByteCount offset,
686 	       					   IOByteCount * length);
701     virtual IOByteCount 	getLength();
742 // For 32 bit XNU, there is a 32 bit (IOByteCount) and a 64 bit (mach_vm_size_t) interface;
746 					 IOByteCount          offset = 0);
883     virtual void setPosition(IOByteCount position);
915                                  IOByteCount	withLength,
919                                  IOByteCount    withLength,
925 				 IOByteCount		withLength,
939     virtual addr64_t getPhysicalSegment64( IOByteCount offset,
940                                             IOByteCount * length ) APPLE_KEXT_DEPRECATED;
942     virtual IOPhysicalAddress getPhysicalSegment(IOByteCount offset,
943 						 IOByteCount * length);
945     virtual IOPhysicalAddress getSourceSegment(IOByteCount offset,
946                                                IOByteCount * length) APPLE_KEXT_DEPRECATED;
948     virtual void * getVirtualSegment(IOByteCount offset,
949 					IOByteCount * length) APPLE_KEXT_DEPRECATED;
955     virtual addr64_t getPhysicalSegment( IOByteCount   offset,
956                                          IOByteCount * length,
971 	IOByteCount		sourceOffset = 0,
972 	IOByteCount		length = 0 );
977 	IOByteCount		length );