328 	vq->iotlb = NULL;  in vhost_vq_reset()
426 	dev->iotlb = NULL;  in vhost_dev_init()
633 	vhost_umem_clean(dev->iotlb);  in vhost_dev_cleanup()
634 	dev->iotlb = NULL;  in vhost_dev_cleanup()
740 	if (!vq->iotlb)  in vhost_copy_to_user()
775 	if (!vq->iotlb)  in vhost_copy_from_user()
856 	if (!vq->iotlb) { \
873 	if (!vq->iotlb) { \
953 		struct vhost_iotlb_msg *vq_msg = &node->msg.iotlb;  in vhost_iotlb_notify_vq()
992 		if (!dev->iotlb) {  in vhost_process_iotlb_msg()
1001 		if (vhost_new_umem_range(dev->iotlb, msg->iova, msg->size,  in vhost_process_iotlb_msg()
1010 		if (!dev->iotlb) {  in vhost_process_iotlb_msg()
1015 		vhost_del_umem_range(dev->iotlb, msg->iova,  in vhost_process_iotlb_msg()
1044 		offset = offsetof(struct vhost_msg, iotlb) - sizeof(int);  in vhost_chr_write_iter()
1111 		if (!dev->iotlb) {  in vhost_chr_read_iter()
1129 			msg = &node->msg.iotlb;  in vhost_chr_read_iter()
1133 			msg = &node->msg_v2.iotlb;  in vhost_chr_read_iter()
1165 		msg = &node->msg_v2.iotlb;  in vhost_iotlb_miss()
1167 		msg = &node->msg.iotlb;  in vhost_iotlb_miss()
1209 	struct vhost_umem *umem = vq->iotlb;  in iotlb_access_ok()
1246 	if (!vq->iotlb)  in vq_iotlb_prefetch()
1292 	if (vq->iotlb)  in vhost_vq_access_ok()
1594 	oiotlb = d->iotlb;  in vhost_init_device_iotlb()
1595 	d->iotlb = niotlb;  in vhost_init_device_iotlb()
1601 		vq->iotlb = niotlb;  in vhost_init_device_iotlb()
1814 	if (!vq->iotlb &&  in vhost_vq_init_access()
1839 	struct vhost_umem *umem = dev->iotlb ? dev->iotlb : dev->umem;  in translate_desc()
1854 			if (umem != dev->iotlb) {  in translate_desc()