1328 	Segment64 curSeg = { 0, 0 };  in genIOVMSegments()  local
1451 				if (curSegValid && ((curSeg.fIOVMAddr + curSeg.fLength) == state->fIOVMAddr)) {  in genIOVMSegments()
1454 					curSeg.fLength  += length;  in genIOVMSegments()
1468 			curSeg.fIOVMAddr              = state->fIOVMAddr;  in genIOVMSegments()
1469 			curSeg.fLength                = length;  in genIOVMSegments()
1476 			if ((kWalkClient & op) && (curSeg.fIOVMAddr + curSeg.fLength - 1) > maxPhys) {  in genIOVMSegments()
1478 					curSegValid = curSeg.fIOVMAddr = 0;  in genIOVMSegments()
1481 				} else if (curSeg.fIOVMAddr <= maxPhys) {  in genIOVMSegments()
1484 					newLength        = (maxPhys + 1 - curSeg.fIOVMAddr);  in genIOVMSegments()
1485 					DEBG("trunc %qx, %qx-> %qx\n", curSeg.fIOVMAddr, curSeg.fLength, newLength);  in genIOVMSegments()
1486 					remain           = curSeg.fLength - newLength;  in genIOVMSegments()
1487 					state->fIOVMAddr = newLength + curSeg.fIOVMAddr;  in genIOVMSegments()
1489 					curSeg.fLength   = newLength;  in genIOVMSegments()
1493 					UInt64    addr = curSeg.fIOVMAddr;  in genIOVMSegments()
1498 					DEBG("sparse switch %qx, %qx ", addr, curSeg.fLength);  in genIOVMSegments()
1513 					curSeg.fIOVMAddr = ptoa_64(vm_page_get_phys_page(remap))  in genIOVMSegments()
1519 					if (newLength < curSeg.fLength) {  in genIOVMSegments()
1520 						remain           = curSeg.fLength - newLength;  in genIOVMSegments()
1523 						curSeg.fLength   = newLength;  in genIOVMSegments()
1527 					DEBG("-> %qx, %qx offset %qx\n", curSeg.fIOVMAddr, curSeg.fLength, offset);  in genIOVMSegments()
1535 			if (curSeg.fLength > fMaxSegmentSize) {  in genIOVMSegments()
1536 				leftover      += curSeg.fLength - fMaxSegmentSize;  in genIOVMSegments()
1537 				curSeg.fLength = fMaxSegmentSize;  in genIOVMSegments()
1538 				state->fIOVMAddr = curSeg.fLength + curSeg.fIOVMAddr;  in genIOVMSegments()
1544 			reduce = (curSeg.fLength & fAlignMaskLength);  in genIOVMSegments()
1545 			if (reduce && (curSeg.fLength > reduce)) {  in genIOVMSegments()
1547 				curSeg.fLength -= reduce;  in genIOVMSegments()
1548 				state->fIOVMAddr = curSeg.fLength + curSeg.fIOVMAddr;  in genIOVMSegments()
1555 			if (reduce && (curSeg.fLength > reduce)) {  in genIOVMSegments()
1557 				curSeg.fLength -= reduce;  in genIOVMSegments()
1558 				state->fIOVMAddr = curSeg.fLength + curSeg.fIOVMAddr;  in genIOVMSegments()
1565 				    curSeg.fIOVMAddr, curSeg.fLength);  in genIOVMSegments()
1577 				misaligned = (0 != (mask & curSeg.fIOVMAddr));  in genIOVMSegments()
1580 					misaligned |= (0 != (mask &  curSeg.fLength));  in genIOVMSegments()
1584 						DEBG("cursor misaligned %qx:%qx\n", curSeg.fIOVMAddr, curSeg.fLength);  in genIOVMSegments()
1586 					curSegValid = curSeg.fIOVMAddr = 0;  in genIOVMSegments()
1593 				curSeg.fLength   -= (offset - memLength);  in genIOVMSegments()
1606 				IOLog("DMA[%p] outseg 0x%qx, 0x%qx\n", this, curSeg.fIOVMAddr, curSeg.fLength);  in genIOVMSegments()
1609 			ret = (*outSegFunc)(reference, this, curSeg, segmentsP, segIndex++);  in genIOVMSegments()
1610 			curSegValid = curSeg.fIOVMAddr = 0;  in genIOVMSegments()
1620 			IOLog("DMA[%p] outseg 0x%qx, 0x%qx\n", this, curSeg.fIOVMAddr, curSeg.fLength);  in genIOVMSegments()
1623 		ret = (*outSegFunc)(reference, this, curSeg, segmentsP, segIndex++);  in genIOVMSegments()