platydoc-data/xnu/iokit/IOKit/IOMemoryDescriptor.h1,358 lines · Download raw file · Source indexReferenced in 5 chaptersSource-reference indexMemory descriptors, mappings, and DMAMemory descriptor composition and CPU mapping lifetimesDMA preparation, mapping ownership, and failure cleanupDMA segment generation: descriptor offsets, physical runs, and device addressesLoading source…The source viewer and download controls require JavaScript.