CVSROOT:        /cvs
Module name:    src
Changes by:     d...@cvs.openbsd.org    2011/04/05 16:37:39

Modified files:
        sys/dev/ic     : siop.c siopvar.h siopvar_common.h 

Log message:
pull the dmamam wrapper in from all my other drivers and use it to replace
the siop command buffers and add dmaable buffers for sense data.

matthew@ found that siop used to try to dma to the xs->sense bufer, which
is not guaranteed to be dma safe.
tested by matthew@ kettenis@

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