167 static int vfio_df_group_open(struct vfio_device_file *df)  in vfio_df_group_open()  argument
169 	struct vfio_device *device = df->device;  in vfio_df_group_open()
189 	df->iommufd = device->group->iommufd;  in vfio_df_group_open()
190 	if (df->iommufd && vfio_device_is_noiommu(device) && device->open_count == 0) {  in vfio_df_group_open()
197 		    vfio_iommufd_device_has_compat_ioas(device, df->iommufd))  in vfio_df_group_open()
204 	ret = vfio_df_open(df);  in vfio_df_group_open()
208 	if (df->iommufd && device->open_count == 1) {  in vfio_df_group_open()
209 		ret = vfio_iommufd_compat_attach_ioas(device, df->iommufd);  in vfio_df_group_open()
218 	smp_store_release(&df->access_granted, true);  in vfio_df_group_open()
225 	vfio_df_close(df);  in vfio_df_group_open()
227 	df->iommufd = NULL;  in vfio_df_group_open()
236 void vfio_df_group_close(struct vfio_device_file *df)  in vfio_df_group_close()  argument
238 	struct vfio_device *device = df->device;  in vfio_df_group_close()
243 	vfio_df_close(df);  in vfio_df_group_close()
244 	df->iommufd = NULL;  in vfio_df_group_close()
255 	struct vfio_device_file *df;  in vfio_device_open_file()  local
259 	df = vfio_allocate_device_file(device);  in vfio_device_open_file()
260 	if (IS_ERR(df)) {  in vfio_device_open_file()
261 		ret = PTR_ERR(df);  in vfio_device_open_file()
265 	df->group = device->group;  in vfio_device_open_file()
267 	ret = vfio_df_group_open(df);  in vfio_device_open_file()
276 				   df, O_RDWR);  in vfio_device_open_file()
299 	vfio_df_group_close(df);  in vfio_device_open_file()
301 	kfree(df);  in vfio_device_open_file()