seqno_offset
return i915_vma_offset(hws) + seqno_offset(rq->fence.context);
u32 *seqno = spin->seqno + seqno_offset(rq->fence.context);
lso->seqno_offset = htonl(0);
lso->seqno_offset = cpu_to_be32(0);
__be32 seqno_offset;
lso->seqno_offset = cpu_to_be32(0);