43 	struct dma_buf_attachment	*db_attach;  member
81 	if (!buf->vaddr && buf->db_attach)  in vb2_dc_vaddr()
82 		buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf);  in vb2_dc_vaddr()
100 	if (!sgt || buf->db_attach)  in vb2_dc_prepare()
113 	if (!sgt || buf->db_attach)  in vb2_dc_finish()
257 	struct dma_buf_attachment *db_attach)  in vb2_dc_dmabuf_ops_detach()  argument
259 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_detach()
269 		dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,  in vb2_dc_dmabuf_ops_detach()
273 	db_attach->priv = NULL;  in vb2_dc_dmabuf_ops_detach()
277 	struct dma_buf_attachment *db_attach, enum dma_data_direction dma_dir)  in vb2_dc_dmabuf_ops_map()  argument
279 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_map()
281 	struct mutex *lock = &db_attach->dmabuf->lock;  in vb2_dc_dmabuf_ops_map()
295 		dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,  in vb2_dc_dmabuf_ops_map()
301 	sgt->nents = dma_map_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,  in vb2_dc_dmabuf_ops_map()
316 static void vb2_dc_dmabuf_ops_unmap(struct dma_buf_attachment *db_attach,  in vb2_dc_dmabuf_ops_unmap()  argument
600 	if (WARN_ON(!buf->db_attach)) {  in vb2_dc_map_dmabuf()
611 	sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir);  in vb2_dc_map_dmabuf()
622 		dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);  in vb2_dc_map_dmabuf()
638 	if (WARN_ON(!buf->db_attach)) {  in vb2_dc_unmap_dmabuf()
649 		dma_buf_vunmap(buf->db_attach->dmabuf, buf->vaddr);  in vb2_dc_unmap_dmabuf()
652 	dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);  in vb2_dc_unmap_dmabuf()
667 	dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach);  in vb2_dc_detach_dmabuf()
696 	buf->db_attach = dba;  in vb2_dc_attach_dmabuf()