make bio and disk drivers not do spl0 so can call from panic without trap 2's

[unix-history] / usr / src / sys / vax / uba / pdma.h

/*      pdma.h  4.2     81/02/19        */

struct pdma
{
       struct  device *p_addr;
       char    *p_mem;
       char    *p_end;
       int     p_arg;
       int     (*p_fcn)();
};