42 	struct dma_buf_attachment	*db_attach;  member
80 	if (!buf->vaddr && buf->db_attach)  in vb2_dc_vaddr()
81 		buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf);  in vb2_dc_vaddr()
99 	if (!sgt || buf->db_attach)  in vb2_dc_prepare()
112 	if (!sgt || buf->db_attach)  in vb2_dc_finish()
264 	struct dma_buf_attachment *db_attach)  in vb2_dc_dmabuf_ops_detach()  argument
266 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_detach()
276 		dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,  in vb2_dc_dmabuf_ops_detach()
280 	db_attach->priv = NULL;  in vb2_dc_dmabuf_ops_detach()
284 	struct dma_buf_attachment *db_attach, enum dma_data_direction dma_dir)  in vb2_dc_dmabuf_ops_map()  argument
286 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_map()
288 	struct mutex *lock = &db_attach->dmabuf->lock;  in vb2_dc_dmabuf_ops_map()
302 		dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,  in vb2_dc_dmabuf_ops_map()
308 	sgt->nents = dma_map_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,  in vb2_dc_dmabuf_ops_map()
323 static void vb2_dc_dmabuf_ops_unmap(struct dma_buf_attachment *db_attach,  in vb2_dc_dmabuf_ops_unmap()  argument
605 	if (WARN_ON(!buf->db_attach)) {  in vb2_dc_map_dmabuf()
616 	sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir);  in vb2_dc_map_dmabuf()
627 		dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);  in vb2_dc_map_dmabuf()
643 	if (WARN_ON(!buf->db_attach)) {  in vb2_dc_unmap_dmabuf()
654 		dma_buf_vunmap(buf->db_attach->dmabuf, buf->vaddr);  in vb2_dc_unmap_dmabuf()
657 	dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);  in vb2_dc_unmap_dmabuf()
672 	dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach);  in vb2_dc_detach_dmabuf()
703 	buf->db_attach = dba;  in vb2_dc_attach_dmabuf()