ib_sg_dma_address
reg->sge.addr = ib_sg_dma_address(device->ib_device, &sg[0]);
start_addr = ib_sg_dma_address(ibdev, sgl);
start_addr = ib_sg_dma_address(ibdev, next_sg);
pages[n++] = ib_sg_dma_address(dev,