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Virtual Address to Physical Address

Newbie here!
Is there a way to convert a  user's virtual address to a physical
address so that I can program a Bus Master Device's DMA Controller.

I want to be able to calculate the user virtual address into Page
segments and update the DMA control with this information. What the
easiest way to do this.

Or given a virtual address how can I convert it to a physical address.
0
John
10/10/2008 7:49:17 PM
comp.unix.bsd.freebsd 391 articles. 0 followers. Post Follow

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