Nitin P Mahajan wrote:
> Hi!
> 
> 	Could any one please explain me the significance and meaning  of
> the following members in the DMA tag structure?
> 
> _wbase
> _physbase 
> _wsize 

Those are private members you should not access from a driver.

The meaning completely depends on MD bus_dma code semantics, check
the bus dma backend for your platform if you really want to know.

Jaromir
-- 
Jaromir Dolecek <jdolecek@NetBSD.org>            http://www.NetBSD.cz/
-=- We should be mindful of the potential goal, but as the Buddhist -=-
-=- masters say, ``You may notice during meditation that you        -=-
-=- sometimes levitate or glow.   Do not let this distract you.''   -=-