Searched refs:kIOMemoryAsReference (Results 1 - 3 of 3) sorted by relevance

/xnu-2782.1.97/iokit/Kernel/
H A DIOBufferMemoryDescriptor.cpp119 IOOptionBits iomdOptions = kIOMemoryTypeVirtual64 | kIOMemoryAsReference;
138 _flags = kIOMemoryAsReference;
528 if (range && (kIOMemoryAsReference & flags))
H A DIOMemoryDescriptor.cpp1281 mdOpts |= kIOMemoryAsReference;
1297 mdOpts |= kIOMemoryAsReference;
1364 options = orig->_flags & ~kIOMemoryAsReference;
1418 if (_ranges.v && !(kIOMemoryAsReference & _flags))
1529 if (options & kIOMemoryAsReference) {
1560 _flags = (_flags & ~kIOMemoryTypeMask) | type | kIOMemoryAsReference;
1576 _flags |= kIOMemoryAsReference;
1676 if (_ranges.v && !(kIOMemoryAsReference & _flags))
/xnu-2782.1.97/iokit/IOKit/
H A DIOMemoryDescriptor.h98 kIOMemoryAsReference = 0x00000100, enumerator in enum:__anon612
422 kIOMemoryAsReference For options:type = Virtual or Physical this indicate that the memory descriptor need not copy the ranges array into local memory. This is an optimisation to try to minimise unnecessary allocations.
448 kIOMemoryAsReference For options:type = Virtual or Physical this indicate that the memory descriptor need not copy the ranges array into local memory. This is an optimisation to try to minimise unnecessary allocations.

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