ida_inl
completed = ida_inl(ida, R_42XX_REPLY);
return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
return (ida_inl(ida, R_CMD_FIFO) == 0);
return (ida_inl(ida, R_DONE_FIFO));
return (ida_inl(ida, R_INT_PENDING));
return (ida_inl(ida, R_42XX_REQUEST) != 0);