53 			struct dma_buf_attachment *attach;  member
226 				 struct dma_buf_attachment *attach)  in dmabuf_exp_ops_attach()  argument
236 	attach->priv = gntdev_dmabuf_attach;  in dmabuf_exp_ops_attach()
241 				  struct dma_buf_attachment *attach)  in dmabuf_exp_ops_detach()  argument
243 	struct gntdev_dmabuf_attachment *gntdev_dmabuf_attach = attach->priv;  in dmabuf_exp_ops_detach()
250 				dma_unmap_sgtable(attach->dev, sgt,  in dmabuf_exp_ops_detach()
258 		attach->priv = NULL;  in dmabuf_exp_ops_detach()
263 dmabuf_exp_ops_map_dma_buf(struct dma_buf_attachment *attach,  in dmabuf_exp_ops_map_dma_buf()  argument
266 	struct gntdev_dmabuf_attachment *gntdev_dmabuf_attach = attach->priv;  in dmabuf_exp_ops_map_dma_buf()
267 	struct gntdev_dmabuf *gntdev_dmabuf = attach->dmabuf->priv;  in dmabuf_exp_ops_map_dma_buf()
271 		 attach->dev);  in dmabuf_exp_ops_map_dma_buf()
290 		if (dma_map_sgtable(attach->dev, sgt, dir,  in dmabuf_exp_ops_map_dma_buf()
301 		pr_debug("Failed to map sg table for dev %p\n", attach->dev);  in dmabuf_exp_ops_map_dma_buf()
305 static void dmabuf_exp_ops_unmap_dma_buf(struct dma_buf_attachment *attach,  in dmabuf_exp_ops_unmap_dma_buf()  argument
345 	.attach = dmabuf_exp_ops_attach,
583 	struct dma_buf_attachment *attach;  in dmabuf_imp_to_refs()  local
601 	attach = dma_buf_attach(dma_buf, dev);  in dmabuf_imp_to_refs()
602 	if (IS_ERR(attach)) {  in dmabuf_imp_to_refs()
603 		ret = ERR_CAST(attach);  in dmabuf_imp_to_refs()
607 	gntdev_dmabuf->u.imp.attach = attach;  in dmabuf_imp_to_refs()
609 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
624 	if (attach->dmabuf->size != gntdev_dmabuf->nr_pages << PAGE_SHIFT) {  in dmabuf_imp_to_refs()
627 			 attach->dmabuf->size, gntdev_dmabuf->nr_pages);  in dmabuf_imp_to_refs()
667 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
669 	dma_buf_detach(dma_buf, attach);  in dmabuf_imp_to_refs()
702 	struct dma_buf_attachment *attach;  in dmabuf_imp_release()  local
714 	attach = gntdev_dmabuf->u.imp.attach;  in dmabuf_imp_release()
717 		dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,  in dmabuf_imp_release()
719 	dma_buf = attach->dmabuf;  in dmabuf_imp_release()
720 	dma_buf_detach(attach->dmabuf, attach);  in dmabuf_imp_release()