EXCP_Q_RD_PTR
excpq_rd_ptr = readw(iadev->reass_reg + EXCP_Q_RD_PTR) & 0xffff;
writew( excpq_rd_ptr, iadev->reass_reg + EXCP_Q_RD_PTR);
writew(i, iadev->reass_reg+EXCP_Q_RD_PTR);