[Openib-windows] Windows DMA model

Jan Bottorff jbottorff at xsigo.com
Tue Oct 18 14:28:33 PDT 2005


I noticed there are NO calls to the Windows OS function IoGetDmaAdapter
(or the GetDmaAdapter function of a bus interface) in the whole Windows
IB source tree.

 

Can somebody explain how DMA could be correct without this? There is a
nice document at http://www.microsoft.com/whdc/driver/kernel/dma.mspx
that explains how it's supposed to be done.

 

- Jan

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