amap_mcc_context
AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt,
AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
u8 context[sizeof(struct amap_mcc_context) / 8];