47 			struct dma_buf_attachment *attach;  member
220 				 struct dma_buf_attachment *attach)  in dmabuf_exp_ops_attach()  argument
230 	attach->priv = gntdev_dmabuf_attach;  in dmabuf_exp_ops_attach()
235 				  struct dma_buf_attachment *attach)  in dmabuf_exp_ops_detach()  argument
237 	struct gntdev_dmabuf_attachment *gntdev_dmabuf_attach = attach->priv;  in dmabuf_exp_ops_detach()
244 				dma_unmap_sgtable(attach->dev, sgt,  in dmabuf_exp_ops_detach()
252 		attach->priv = NULL;  in dmabuf_exp_ops_detach()
257 dmabuf_exp_ops_map_dma_buf(struct dma_buf_attachment *attach,  in dmabuf_exp_ops_map_dma_buf()  argument
260 	struct gntdev_dmabuf_attachment *gntdev_dmabuf_attach = attach->priv;  in dmabuf_exp_ops_map_dma_buf()
261 	struct gntdev_dmabuf *gntdev_dmabuf = attach->dmabuf->priv;  in dmabuf_exp_ops_map_dma_buf()
265 		 attach->dev);  in dmabuf_exp_ops_map_dma_buf()
284 		if (dma_map_sgtable(attach->dev, sgt, dir,  in dmabuf_exp_ops_map_dma_buf()
295 		pr_debug("Failed to map sg table for dev %p\n", attach->dev);  in dmabuf_exp_ops_map_dma_buf()
299 static void dmabuf_exp_ops_unmap_dma_buf(struct dma_buf_attachment *attach,  in dmabuf_exp_ops_unmap_dma_buf()  argument
339 	.attach = dmabuf_exp_ops_attach,
577 	struct dma_buf_attachment *attach;  in dmabuf_imp_to_refs()  local
595 	attach = dma_buf_attach(dma_buf, dev);  in dmabuf_imp_to_refs()
596 	if (IS_ERR(attach)) {  in dmabuf_imp_to_refs()
597 		ret = ERR_CAST(attach);  in dmabuf_imp_to_refs()
601 	gntdev_dmabuf->u.imp.attach = attach;  in dmabuf_imp_to_refs()
603 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
618 	if (attach->dmabuf->size != gntdev_dmabuf->nr_pages << PAGE_SHIFT) {  in dmabuf_imp_to_refs()
621 			 attach->dmabuf->size, gntdev_dmabuf->nr_pages);  in dmabuf_imp_to_refs()
661 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
663 	dma_buf_detach(dma_buf, attach);  in dmabuf_imp_to_refs()
696 	struct dma_buf_attachment *attach;  in dmabuf_imp_release()  local
708 	attach = gntdev_dmabuf->u.imp.attach;  in dmabuf_imp_release()
711 		dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,  in dmabuf_imp_release()
713 	dma_buf = attach->dmabuf;  in dmabuf_imp_release()
714 	dma_buf_detach(attach->dmabuf, attach);  in dmabuf_imp_release()