193 	size_t  _length = 0;  member in _IOMemoryDescriptorMixedData
534 	remain = _length;  in memoryReferenceCreate()
626 		DEBUG4K_IOKIT("map %p _length 0x%llx prot 0x%x\n", map, (uint64_t)_length, prot);  in memoryReferenceCreate()
2153 		_length    = count;  in initWithOptions()
2298 		_length      = totalLength;  in initWithOptions()
2455 	return _length;  in getLength()
2543 	if ((offset > _length)  in readBytes()
2545 	    || (endoffset > _length)) {  in readBytes()
2546 …, "readBytes exceeds length (0x%lx, 0x%lx) > 0x%lx", (long) offset, (long) length, (long) _length);  in readBytes()
2549 	if (offset >= _length) {  in readBytes()
2562 	remaining = length = min(length, _length - offset);  in readBytes()
2609 	if ((offset > _length)  in writeBytes()
2611 	    || (endoffset > _length)) {  in writeBytes()
2612 …writeBytes exceeds length (0x%lx, 0x%lx) > 0x%lx", (long) inoffset, (long) length, (long) _length);  in writeBytes()
2618 	if (offset >= _length) {  in writeBytes()
2631 	remaining = length = min(length, _length - offset);  in writeBytes()
2996 			keepMap &= ((data->fOffset == 0) && (data->fLength == _length));  in dmaCommandOperation()
3004 			    && ((dataP->fMappedBase + _length) > (1ULL << dataP->fDMAMapNumAddressBits));  in dmaCommandOperation()
3070 		data->fLength = _length;  in dmaCommandOperation()
3145 …err = md->dmaMap(dataP->fMapper, md, NULL, &mapSpec, 0, _length, &dataP->fMappedBase, &dataP->fMap…  in dmaCommandOperation()
3165 	if (offset >= _length) {  in dmaCommandOperation()
3166 		return (offset == _length)? kIOReturnOverrun : kIOReturnInternalError;  in dmaCommandOperation()
3272 				length = _length;  in dmaCommandOperation()
3359 	if (offset >= _length) {  in getPhysicalSegment()
3406 		state->fLength = _length - offset;  in getPhysicalSegment()
4195 		for (UInt range = 0; mdOffset < _length; range++) {  in wireVirtual()
4528 			mapLength = _length;  in dmaMapRecord()
4571 			mapLength = _length;  in dmaUnmap()
4604 	    || offset || (length != _length)) {  in dmaMap()
4625 		if ((_length == ptoa_64(_pages)) && !(page_mask & ioplList->fPageOffset)) {  in dmaMap()
4697 				performOperation(kIOMemoryClearEncrypted, 0, _length);  in prepare()
4759 			performOperation(kIOMemorySetEncrypted, 0, _length);  in complete()
4922 	if ((offset >= _length) || ((offset + length) > _length)) {  in doMap()
4924 …th 0x%llx _length 0x%llx kIOReturnBadArgument\n", __addressMap, offset, length, (uint64_t)_length);  in doMap()
5113 	mach_vm_size_t          _length )  in init()  argument
5131 	fLength      = _length;  in init()
5597 	mach_vm_size_t      _length   = newMapping->fLength;  in copyCompatible()  local
5623 	if ((_offset + _length) > fLength) {  in copyCompatible()
5627 	if ((fLength == _length) && (!_offset)) {  in copyCompatible()
5663 IOMemoryMap::getPhysicalSegment( IOByteCount _offset, IOPhysicalLength * _length, IOOptionBits _opt…  in getPhysicalSegment()  argument
5665 IOMemoryMap::getPhysicalSegment( IOByteCount _offset, IOPhysicalLength * _length)  in getPhysicalSegment()
5672 	address = fMemory->getPhysicalSegment( fOffset + _offset, _length, _options );  in getPhysicalSegment()
5674 	address = fMemory->getPhysicalSegment( fOffset + _offset, _length );  in getPhysicalSegment()
6204 	_length = 0;  in initWithCapacity()
6221 	_capacity = _length = 0;  in freeMemory()
6262 	_length = length;  in setLength()
6269 	return _length ? _data : nullptr;  in getBytes()
6275 	return _data ? _length : 0;  in getLength()