dma_sync_single_for_device
dma_sync_single_for_device(dev, dma, len, direction);
dma_sync_single_for_device(hw_to_dev(qp->dev->hw), buf->mem.pa, buf->mem.size, DMA_BIDIRECTIONAL);
dma_sync_single_for_device(hw_to_dev(rsrc->dev->hw), buf->mem.pa, buf->mem.size, DMA_BIDIRECTIONAL);
dma_sync_single_for_device(&dev->persist->pdev->dev, fmr->dma_handle,
dma_sync_single_for_device(&dev->persist->pdev->dev, dma_handle,
dma_sync_single_for_device(ddev, dma, size, DMA_TO_DEVICE);
dma_sync_single_for_device(&dev->pdev->dev, dma_handle,
dma_sync_single_for_device(&dev->pdev->dev, fmr->mem.arbel.dma_handle,
dma_sync_single_for_device(na->pdev, *map, sz,
dma_sync_single_for_device(dev->dma_device, addr, size, dir);