53 			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_sg_attrs(attach->dev, sgt->sgl,  in dmabuf_exp_ops_detach()
253 		attach->priv = NULL;  in dmabuf_exp_ops_detach()
258 dmabuf_exp_ops_map_dma_buf(struct dma_buf_attachment *attach,  in dmabuf_exp_ops_map_dma_buf()  argument
261 	struct gntdev_dmabuf_attachment *gntdev_dmabuf_attach = attach->priv;  in dmabuf_exp_ops_map_dma_buf()
262 	struct gntdev_dmabuf *gntdev_dmabuf = attach->dmabuf->priv;  in dmabuf_exp_ops_map_dma_buf()
266 		 attach->dev);  in dmabuf_exp_ops_map_dma_buf()
285 		if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir,  in dmabuf_exp_ops_map_dma_buf()
296 		pr_debug("Failed to map sg table for dev %p\n", attach->dev);  in dmabuf_exp_ops_map_dma_buf()
300 static void dmabuf_exp_ops_unmap_dma_buf(struct dma_buf_attachment *attach,  in dmabuf_exp_ops_unmap_dma_buf()  argument
359 	.attach = dmabuf_exp_ops_attach,
604 	struct dma_buf_attachment *attach;  in dmabuf_imp_to_refs()  local
622 	attach = dma_buf_attach(dma_buf, dev);  in dmabuf_imp_to_refs()
623 	if (IS_ERR(attach)) {  in dmabuf_imp_to_refs()
624 		ret = ERR_CAST(attach);  in dmabuf_imp_to_refs()
628 	gntdev_dmabuf->u.imp.attach = attach;  in dmabuf_imp_to_refs()
630 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
637 	if (attach->dmabuf->size != gntdev_dmabuf->nr_pages << PAGE_SHIFT) {  in dmabuf_imp_to_refs()
640 			 attach->dmabuf->size, gntdev_dmabuf->nr_pages);  in dmabuf_imp_to_refs()
680 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
682 	dma_buf_detach(dma_buf, attach);  in dmabuf_imp_to_refs()
715 	struct dma_buf_attachment *attach;  in dmabuf_imp_release()  local
727 	attach = gntdev_dmabuf->u.imp.attach;  in dmabuf_imp_release()
730 		dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,  in dmabuf_imp_release()
732 	dma_buf = attach->dmabuf;  in dmabuf_imp_release()
733 	dma_buf_detach(attach->dmabuf, attach);  in dmabuf_imp_release()