SELF_ID_ZERO_LINK_ACTIVE_SHIFT
return (quadlet & SELF_ID_ZERO_LINK_ACTIVE_MASK) >> SELF_ID_ZERO_LINK_ACTIVE_SHIFT;
*quadlet |= (is_active << SELF_ID_ZERO_LINK_ACTIVE_SHIFT) & SELF_ID_ZERO_LINK_ACTIVE_MASK;
((((const u32 *)quads)[0] & SELF_ID_ZERO_LINK_ACTIVE_MASK) >> SELF_ID_ZERO_LINK_ACTIVE_SHIFT)