45 OSDefineMetaClassAndAbstractStructors(IOMapper, IOService);
47 OSMetaClassDefineReservedUnused(IOMapper, 0);
48 OSMetaClassDefineReservedUnused(IOMapper, 1);
49 OSMetaClassDefineReservedUnused(IOMapper, 2);
50 OSMetaClassDefineReservedUnused(IOMapper, 3);
51 OSMetaClassDefineReservedUnused(IOMapper, 4);
52 OSMetaClassDefineReservedUnused(IOMapper, 5);
53 OSMetaClassDefineReservedUnused(IOMapper, 6);
54 OSMetaClassDefineReservedUnused(IOMapper, 7);
55 OSMetaClassDefineReservedUnused(IOMapper, 8);
56 OSMetaClassDefineReservedUnused(IOMapper, 9);
57 OSMetaClassDefineReservedUnused(IOMapper, 10);
58 OSMetaClassDefineReservedUnused(IOMapper, 11);
59 OSMetaClassDefineReservedUnused(IOMapper, 12);
60 OSMetaClassDefineReservedUnused(IOMapper, 13);
61 OSMetaClassDefineReservedUnused(IOMapper, 14);
62 OSMetaClassDefineReservedUnused(IOMapper, 15);
64 IOMapper * IOMapper::gSystem = (IOMapper *) IOMapper::kUnknown;
103 IOMapper::start(IOService *provider)  in start()
120 		IOMapper::gSystem = this;  in start()
121 		sMapperLock.wakeup(&IOMapper::gSystem);  in start()
138 IOMapper::free()  in free()
144 IOMapper::setMapperRequired(bool hasMapper)  in setMapperRequired()
147 		IOMapper::gSystem = (IOMapper *) kHasMapper;  in setMapperRequired()
150 		IOMapper::gSystem = (IOMapper *) kNoMapper;  in setMapperRequired()
152 		sMapperLock.wakeup(&IOMapper::gSystem);  in setMapperRequired()
157 IOMapper::waitForSystemMapper()  in waitForSystemMapper()
160 	while ((uintptr_t) IOMapper::gSystem & kWaitMask) {  in waitForSystemMapper()
162 		sMapperLock.sleep(&IOMapper::gSystem);  in waitForSystemMapper()
167 OSSharedPtr<IOMapper>
168 IOMapper::copyMapperForDevice(IOService * device)  in copyMapperForDevice()
173 OSSharedPtr<IOMapper>
174 IOMapper::copyMapperForDeviceWithIndex(IOService * device, unsigned int index)  in copyMapperForDeviceWithIndex()
178 	OSSharedPtr<IOMapper> mapper;  in copyMapperForDeviceWithIndex()
186 	if ((mapper = OSDynamicPtrCast<IOMapper>(obj))) {  in copyMapperForDeviceWithIndex()
206 		mapper = OSDynamicPtrCast<IOMapper>(IOService::waitForMatchingService(matching.get()));  in copyMapperForDeviceWithIndex()
238 	IOMapper::checkForSystemMapper();  in IOMapperIOVMAlloc()
241 	if (IOMapper::gSystem) {  in IOMapperIOVMAlloc()
242 		ret = IOMapper::gSystem->iovmMapMemory(  in IOMapperIOVMAlloc()
263 	if (IOMapper::gSystem) {  in IOMapperIOVMFree()
264 		IOMapper::gSystem->iovmUnmapMemory(NULL, NULL, ptoa_64(addr), ptoa_64(pages));  in IOMapperIOVMFree()
271 	if (!IOMapper::gSystem) {  in IOMapperInsertPage()
277 	IOMapper::gSystem->iovmInsert((kIODMAMapReadAccess | kIODMAMapWriteAccess),  in IOMapperInsertPage()
295 	IOMapper::checkForSystemMapper();  in IOMappedRead8()
297 	if (IOMapper::gSystem) {  in IOMappedRead8()
298 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedRead8()
308 	IOMapper::checkForSystemMapper();  in IOMappedRead16()
310 	if (IOMapper::gSystem) {  in IOMappedRead16()
311 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedRead16()
321 	IOMapper::checkForSystemMapper();  in IOMappedRead32()
323 	if (IOMapper::gSystem) {  in IOMappedRead32()
324 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedRead32()
334 	IOMapper::checkForSystemMapper();  in IOMappedRead64()
336 	if (IOMapper::gSystem) {  in IOMappedRead64()
337 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedRead64()
347 	IOMapper::checkForSystemMapper();  in IOMappedWrite8()
349 	if (IOMapper::gSystem) {  in IOMappedWrite8()
350 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedWrite8()
360 	IOMapper::checkForSystemMapper();  in IOMappedWrite16()
362 	if (IOMapper::gSystem) {  in IOMappedWrite16()
363 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedWrite16()
373 	IOMapper::checkForSystemMapper();  in IOMappedWrite32()
375 	if (IOMapper::gSystem) {  in IOMappedWrite32()
376 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedWrite32()
386 	IOMapper::checkForSystemMapper();  in IOMappedWrite64()
388 	if (IOMapper::gSystem) {  in IOMappedWrite64()
389 		addr64_t addr = IOMapper::gSystem->mapToPhysicalAddress(address);  in IOMappedWrite64()