Windows DMA Abstraction
The Windows DMA architecture presents an abstract view of the underlying system hardware. This view, called the Windows DMA abstraction, is created by the I/O manager, hardware abstraction layer, bus drivers, and any bus filter drivers that may be present. OEMs can customize some of these components, if required, to support unique features of their hardware; however, most Windows computers use standard hardware designs that are supported by the standard Windows DMA implementation.
The DMA support in KMDF is based upon the Windows DMA abstraction. By using the Windows DMA abstraction, the framework is not required to deal with the unique capabilities and organization of the underlying hardware platform. KMDF and the abstraction ...
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