cb_el
cb->command = cpu_to_le16(cb_ucode | cb_el);
if ((le16_to_cpu(rfd->command) & cb_el) &&
if ((le16_to_cpu(rfd->command) & cb_el) &&
new_before_last_rfd->command |= cpu_to_le16(cb_el);
old_before_last_rfd->command &= ~cpu_to_le16(cb_el);
before_last->command |= cpu_to_le16(cb_el);