dma_buf_map_attachment
sgt = dma_buf_map_attachment(bo->base.base.import_attach, DMA_BIDIRECTIONAL);
sgt = dma_buf_map_attachment(obj->import_attach, hdr->dir);
EXPORT_SYMBOL_NS_GPL(dma_buf_map_attachment, "DMA_BUF");
sg_table = dma_buf_map_attachment(attach, direction);
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
sgt = dma_buf_map_attachment(obj->base.import_attach,
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
priv->sgt = dma_buf_map_attachment(attach, priv->dir);
sgt = dma_buf_map_attachment(umem_dmabuf->attach,
sg_table = dma_buf_map_attachment(attach, dir);
struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *,