FUN_EPRQ_RQBUF_INIT
funq->rqes[i] = FUN_EPRQ_RQBUF_INIT(rqinfo->dma);
FUN_EPRQ_RQBUF_INIT(buf->dma_addr);
q->rqes[i] = FUN_EPRQ_RQBUF_INIT(b->dma_addr);