> Why not add a "bus_dma_mem_alloc()" to the list of bus* functions?  I
> think that such an interface would satisfy most device drivers and the
> Alpha implementation can do what every it wants so long as the driver gets
> an area that can be DMA'd into.

That is, in general, the right thing to do (and what I was planning to
do).

However, you'll note that there are currently _no_ 'bus_dma'
functions, though there Really Really Really need to be.  The right
way to get them is not to add them one function at a time, however...



cgd