iokit/Kernel/IOMemoryDescriptor.cpp

1121 	if (that->initWithOptions(ranges, rangeCount, 0, task, options, /* mapper */ 0))
1145                                 IOMapper *	mapper)
1150     && !self->initWithOptions(buffers, count, offset, task, opts, mapper))
1164                                          IOMapper *	mapper)
1283     return initWithOptions(ranges, count, 0, 0, mdOpts, /* mapper */ 0);
1311     return initWithOptions(ranges, count, 0, task, mdOpts, /* mapper */ 0);
1335                                            IOMapper *	mapper)
1369 	// Now grab the original task and whatever mapper was previously used
1371 	mapper = dataP->fMapper;
1448     // Grab the appropriate mapper
1451         mapper = 0;	// No Mapper
1452     else if (mapper == kIOMapperSystem) {
1454         gIOSystemMapper = mapper = IOMapper::gSystem;
1492         if (!initMemoryEntries(dataSize, mapper)) return (false);
1625             if (!initMemoryEntries(dataSize, mapper)) return false;
2278     IOMapper *        mapper  = gIOSystemMapper;
2348 	if (mapper && ((kIOMemoryTypePhysical == type) || (kIOMemoryTypePhysical64 == type)))
2355 		address = mapper->mapAddr(origAddr);
2358 		    && ((address + length) == mapper->mapAddr(origAddr + length)))
2429     IOMapper *        mapper = 0;
2436 	mapper = gIOSystemMapper;
2438     if (mapper)
2442 	phys64 = mapper->mapAddr(phys32);
2446 	    && ((phys64 + length) == mapper->mapAddr(phys32 + length)))
2793     IOMapper *mapper;
2794     mapper = dataP->fMapper;
2800 	if (!mapper) uplFlags |= UPL_NEED_32BIT_ADDR;
2842 	if (mapper)
2929             if (mapper && pageIndex && (page_mask & (mdOffset + iopl.fPageOffset))) dataP->fDiscontig = true;
2960 		if (mapper) iopl.fMappedPage = mapBase + pageIndex;
2999 bool IOGeneralMemoryDescriptor::initMemoryEntries(size_t size, IOMapper * mapper)
3015     if (mapper == kIOMapperWaitSystem) {
3017         mapper = IOMapper::gSystem;
3019     dataP->fMapper               = mapper;
3032     IOMapper                    * mapper,
3074     base = mapper->iovmMapMemory(this, offset, pageCount,
3093 	    mapper->iovmInsert(base, pageIndex, page);
3108     IOMapper                    * mapper,
3125 	err = super::dmaMap(mapper, mapSpec, offset, length, address, mapPages);
3154 	base = mapper->iovmMapMemory(