Lines Matching refs:_doubleBuffer
293 _doubleBuffer.bufferSize = 0;
294 _doubleBuffer.logicalBuffer = 0;
295 _doubleBuffer.physicalBuffer = 0;
343 _doubleBuffer.logicalBuffer = (IOLogicalAddress)_doubleBufferDesc->getBytesNoCopy();
344 _doubleBuffer.physicalBuffer = _doubleBufferDesc->getPhysicalAddress();
345 _doubleBuffer.bufferSize = kATADefaultSectorSize * 8;
1629 IOByteCount bufferBytes = (thisPass > _doubleBuffer.bufferSize )? _doubleBuffer.bufferSize : thisPass;
1635 txDataIn(_doubleBuffer.logicalBuffer, bufferBytes );
1637 descriptor->writeBytes( xfrPosition, (void*) _doubleBuffer.logicalBuffer, bufferBytes);
1642 descriptor->readBytes( xfrPosition, (void*) _doubleBuffer.logicalBuffer, bufferBytes );
1644 txDataOut(_doubleBuffer.logicalBuffer, bufferBytes);