iokit/Kernel/IODMACommand.cpp

337     address = segment.fIOVMAddr;
905     addr64_t ioAddr  = segment.fIOVMAddr;
1013 	state->fIOVMAddr               = 0;
1032     while (state->fIOVMAddr || (state->fOffset < memLength))
1035 	if (!state->fIOVMAddr) {
1044 		state->fIOVMAddr = internalState->fLocalMapperPageAlloc + offset;
1053 			if (fMapper->mapAddr(state->fIOVMAddr + checkOffset) != phys)
1056 				    state->fIOVMAddr + checkOffset, fMapper->mapAddr(state->fIOVMAddr + checkOffset), state->fLength,
1074 		assert(state->fIOVMAddr);
1076 		if ((curSeg.fIOVMAddr + curSeg.fLength) == state->fIOVMAddr) {
1080 		    state->fIOVMAddr = 0;
1084 		state->fIOVMAddr = state->fLength = 0;	// At end
1090 	if (!curSeg.fIOVMAddr)
1094 	    curSeg.fIOVMAddr = state->fIOVMAddr | bypassMask;
1096 	    state->fIOVMAddr = 0;
1099         if (!state->fIOVMAddr)
1101 	    if ((kWalkClient & op) && (curSeg.fIOVMAddr + curSeg.fLength - 1) > maxPhys)
1105 		    curSeg.fIOVMAddr = 0;
1109 		else if (curSeg.fIOVMAddr <= maxPhys)
1113 		    newLength	     = (maxPhys + 1 - curSeg.fIOVMAddr);
1114 		    DEBG("trunc %qx, %qx-> %qx\n", curSeg.fIOVMAddr, curSeg.fLength, newLength);
1116 		    state->fIOVMAddr = newLength + curSeg.fIOVMAddr;
1123 		    UInt64    addr = curSeg.fIOVMAddr;
1142 		    curSeg.fIOVMAddr = ptoa_64(vm_page_get_phys_page(remap))
1150 			state->fIOVMAddr = addr + newLength;
1155 		    DEBG("-> %qx, %qx offset %qx\n", curSeg.fIOVMAddr, curSeg.fLength, offset);
1163 		state->fIOVMAddr = fMaxSegmentSize + curSeg.fIOVMAddr;
1171 		&& (0 != (internalState->fSourceAlignMask & curSeg.fIOVMAddr)))
1173 		curSeg.fIOVMAddr = 0;
1182 		state->fIOVMAddr = state->fLength = 0;	// At end
1187         if (state->fIOVMAddr) {
1192             curSeg.fIOVMAddr = 0;
1198     if (curSeg.fIOVMAddr) {
1220 	&& ((segment.fIOVMAddr + segment.fLength - 1) >> target->fNumAddressBits)
1223 	DEBG("kIOReturnMessageTooLarge(fNumAddressBits) %qx, %qx\n", segment.fIOVMAddr, segment.fLength);
1229 	DEBG("kIOReturnMessageTooLarge(fOutSeg) %qx, %qx\n", segment.fIOVMAddr, segment.fLength);
1251     base[outSegIndex].fIOVMAddr = (UInt32) segment.fIOVMAddr;
1262     OSWriteBigInt32(vSegList, offAddr, (UInt32) segment.fIOVMAddr);
1273     OSWriteLittleInt32(vSegList, offAddr, (UInt32) segment.fIOVMAddr);
1293     OSWriteBigInt64(vSegList, offAddr, (UInt64) segment.fIOVMAddr);
1304     OSWriteLittleInt64(vSegList, offAddr, (UInt64) segment.fIOVMAddr);