217 	struct ccw_io_region *region;  in vfio_ccw_mdev_read_io_region()  local
220 	if (pos + count > sizeof(*region))  in vfio_ccw_mdev_read_io_region()
224 	region = private->io_region;  in vfio_ccw_mdev_read_io_region()
225 	if (copy_to_user(buf, (void *)region + pos, count))  in vfio_ccw_mdev_read_io_region()
251 		return private->region[index].ops->read(private, buf, count,  in vfio_ccw_mdev_read()
263 	struct ccw_io_region *region;  in vfio_ccw_mdev_write_io_region()  local
266 	if (pos + count > sizeof(*region))  in vfio_ccw_mdev_write_io_region()
272 	region = private->io_region;  in vfio_ccw_mdev_write_io_region()
273 	if (copy_from_user((void *)region + pos, buf, count)) {  in vfio_ccw_mdev_write_io_region()
279 	ret = (region->ret_code != 0) ? region->ret_code : count;  in vfio_ccw_mdev_write_io_region()
304 		return private->region[index].ops->write(private, buf, count,  in vfio_ccw_mdev_write()
358 		info->size = private->region[i].size;  in vfio_ccw_mdev_get_region_info()
359 		info->flags = private->region[i].flags;  in vfio_ccw_mdev_get_region_info()
361 		cap_type.type = private->region[i].type;  in vfio_ccw_mdev_get_region_info()
362 		cap_type.subtype = private->region[i].subtype;  in vfio_ccw_mdev_get_region_info()
484 	struct vfio_ccw_region *region;  in vfio_ccw_register_dev_region()  local
486 	region = krealloc(private->region,  in vfio_ccw_register_dev_region()
487 			  (private->num_regions + 1) * sizeof(*region),  in vfio_ccw_register_dev_region()
489 	if (!region)  in vfio_ccw_register_dev_region()
492 	private->region = region;  in vfio_ccw_register_dev_region()
493 	private->region[private->num_regions].type = VFIO_REGION_TYPE_CCW;  in vfio_ccw_register_dev_region()
494 	private->region[private->num_regions].subtype = subtype;  in vfio_ccw_register_dev_region()
495 	private->region[private->num_regions].ops = ops;  in vfio_ccw_register_dev_region()
496 	private->region[private->num_regions].size = size;  in vfio_ccw_register_dev_region()
497 	private->region[private->num_regions].flags = flags;  in vfio_ccw_register_dev_region()
498 	private->region[private->num_regions].data = data;  in vfio_ccw_register_dev_region()
510 		private->region[i].ops->release(private, &private->region[i]);  in vfio_ccw_unregister_dev_regions()
512 	kfree(private->region);  in vfio_ccw_unregister_dev_regions()
513 	private->region = NULL;  in vfio_ccw_unregister_dev_regions()