77 static inline unsigned long *indicators(struct virtio_ccw_device *vcdev)  in indicators()  argument
79 	return &vcdev->dma_area->indicators;  in indicators()
82 static inline unsigned long *indicators2(struct virtio_ccw_device *vcdev)  in indicators2()  argument
84 	return &vcdev->dma_area->indicators2;  in indicators2()
299 static void virtio_ccw_drop_indicators(struct virtio_ccw_device *vcdev)  in virtio_ccw_drop_indicators()  argument
303 	if (!vcdev->airq_info)  in virtio_ccw_drop_indicators()
305 	list_for_each_entry(info, &vcdev->virtqueues, node)  in virtio_ccw_drop_indicators()
306 		drop_airq_indicator(info->vq, vcdev->airq_info);  in virtio_ccw_drop_indicators()
309 static int doing_io(struct virtio_ccw_device *vcdev, __u32 flag)  in doing_io()  argument
314 	spin_lock_irqsave(get_ccwdev_lock(vcdev->cdev), flags);  in doing_io()
315 	if (vcdev->err)  in doing_io()
318 		ret = vcdev->curr_io & flag;  in doing_io()
319 	spin_unlock_irqrestore(get_ccwdev_lock(vcdev->cdev), flags);  in doing_io()
323 static int ccw_io_helper(struct virtio_ccw_device *vcdev,  in ccw_io_helper()  argument
330 	mutex_lock(&vcdev->io_lock);  in ccw_io_helper()
332 		spin_lock_irqsave(get_ccwdev_lock(vcdev->cdev), flags);  in ccw_io_helper()
333 		ret = ccw_device_start(vcdev->cdev, ccw, intparm, 0, 0);  in ccw_io_helper()
335 			if (!vcdev->curr_io)  in ccw_io_helper()
336 				vcdev->err = 0;  in ccw_io_helper()
337 			vcdev->curr_io |= flag;  in ccw_io_helper()
339 		spin_unlock_irqrestore(get_ccwdev_lock(vcdev->cdev), flags);  in ccw_io_helper()
342 	wait_event(vcdev->wait_q, doing_io(vcdev, flag) == 0);  in ccw_io_helper()
343 	ret = ret ? ret : vcdev->err;  in ccw_io_helper()
344 	mutex_unlock(&vcdev->io_lock);  in ccw_io_helper()
348 static void virtio_ccw_drop_indicator(struct virtio_ccw_device *vcdev,  in virtio_ccw_drop_indicator()  argument
354 	struct airq_info *airq_info = vcdev->airq_info;  in virtio_ccw_drop_indicator()
356 	if (vcdev->is_thinint) {  in virtio_ccw_drop_indicator()
357 		thinint_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_drop_indicator()
369 		indicatorp = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_drop_indicator()
370 						   sizeof(indicators(vcdev)));  in virtio_ccw_drop_indicator()
375 		ccw->count = sizeof(indicators(vcdev));  in virtio_ccw_drop_indicator()
379 	*indicators(vcdev) = 0;  in virtio_ccw_drop_indicator()
381 	ret = ccw_io_helper(vcdev, ccw,  in virtio_ccw_drop_indicator()
382 			    vcdev->is_thinint ?  in virtio_ccw_drop_indicator()
386 		dev_info(&vcdev->cdev->dev,  in virtio_ccw_drop_indicator()
388 	else if (vcdev->is_thinint)  in virtio_ccw_drop_indicator()
389 		virtio_ccw_drop_indicators(vcdev);  in virtio_ccw_drop_indicator()
390 	ccw_device_dma_free(vcdev->cdev, indicatorp, sizeof(indicators(vcdev)));  in virtio_ccw_drop_indicator()
391 	ccw_device_dma_free(vcdev->cdev, thinint_area, sizeof(*thinint_area));  in virtio_ccw_drop_indicator()
397 	struct virtio_ccw_device *vcdev;  in virtio_ccw_kvm_notify()  local
400 	vcdev = to_vc_device(info->vq->vdev);  in virtio_ccw_kvm_notify()
401 	ccw_device_get_schid(vcdev->cdev, &schid);  in virtio_ccw_kvm_notify()
411 static int virtio_ccw_read_vq_conf(struct virtio_ccw_device *vcdev,  in virtio_ccw_read_vq_conf()  argument
416 	vcdev->dma_area->config_block.index = index;  in virtio_ccw_read_vq_conf()
420 	ccw->cda = (__u32)(unsigned long)(&vcdev->dma_area->config_block);  in virtio_ccw_read_vq_conf()
421 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_VQ_CONF);  in virtio_ccw_read_vq_conf()
424 	return vcdev->dma_area->config_block.num ?: -ENOENT;  in virtio_ccw_read_vq_conf()
429 	struct virtio_ccw_device *vcdev = to_vc_device(vq->vdev);  in virtio_ccw_del_vq()  local
436 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_del_vq()
438 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_del_vq()
441 	if (vcdev->revision == 0) {  in virtio_ccw_del_vq()
458 	ret = ccw_io_helper(vcdev, ccw,  in virtio_ccw_del_vq()
469 	ccw_device_dma_free(vcdev->cdev, info->info_block,  in virtio_ccw_del_vq()
478 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_del_vqs()  local
480 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_del_vqs()
484 	virtio_ccw_drop_indicator(vcdev, ccw);  in virtio_ccw_del_vqs()
489 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_del_vqs()
497 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_setup_vq()  local
508 		dev_warn(&vcdev->cdev->dev, "no info\n");  in virtio_ccw_setup_vq()
512 	info->info_block = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_setup_vq()
515 		dev_warn(&vcdev->cdev->dev, "no info block\n");  in virtio_ccw_setup_vq()
519 	info->num = virtio_ccw_read_vq_conf(vcdev, ccw, i);  in virtio_ccw_setup_vq()
524 	may_reduce = vcdev->revision > 0;  in virtio_ccw_setup_vq()
531 		dev_warn(&vcdev->cdev->dev, "no vq\n");  in virtio_ccw_setup_vq()
543 	if (vcdev->revision == 0) {  in virtio_ccw_setup_vq()
560 	err = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_VQ | i);  in virtio_ccw_setup_vq()
562 		dev_warn(&vcdev->cdev->dev, "SET_VQ failed\n");  in virtio_ccw_setup_vq()
570 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_setup_vq()
571 	list_add(&info->node, &vcdev->virtqueues);  in virtio_ccw_setup_vq()
572 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_setup_vq()
580 		ccw_device_dma_free(vcdev->cdev, info->info_block,  in virtio_ccw_setup_vq()
587 static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,  in virtio_ccw_register_adapter_ind()  argument
595 	thinint_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_register_adapter_ind()
604 						     &vcdev->airq_info);  in virtio_ccw_register_adapter_ind()
609 	info = vcdev->airq_info;  in virtio_ccw_register_adapter_ind()
617 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND_ADAPTER);  in virtio_ccw_register_adapter_ind()
627 			dev_warn(&vcdev->cdev->dev,  in virtio_ccw_register_adapter_ind()
629 		virtio_ccw_drop_indicators(vcdev);  in virtio_ccw_register_adapter_ind()
632 	ccw_device_dma_free(vcdev->cdev, thinint_area, sizeof(*thinint_area));  in virtio_ccw_register_adapter_ind()
643 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_find_vqs()  local
648 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_find_vqs()
672 	indicatorp = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_find_vqs()
673 					   sizeof(indicators(vcdev)));  in virtio_ccw_find_vqs()
676 	*indicatorp = (unsigned long) indicators(vcdev);  in virtio_ccw_find_vqs()
677 	if (vcdev->is_thinint) {  in virtio_ccw_find_vqs()
678 		ret = virtio_ccw_register_adapter_ind(vcdev, vqs, nvqs, ccw);  in virtio_ccw_find_vqs()
681 			vcdev->is_thinint = false;  in virtio_ccw_find_vqs()
683 	if (!vcdev->is_thinint) {  in virtio_ccw_find_vqs()
685 		*indicators(vcdev) = 0;  in virtio_ccw_find_vqs()
688 		ccw->count = sizeof(indicators(vcdev));  in virtio_ccw_find_vqs()
690 		ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND);  in virtio_ccw_find_vqs()
695 	*indicatorp = (unsigned long) indicators2(vcdev);  in virtio_ccw_find_vqs()
696 	*indicators2(vcdev) = 0;  in virtio_ccw_find_vqs()
699 	ccw->count = sizeof(indicators2(vcdev));  in virtio_ccw_find_vqs()
701 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_CONF_IND);  in virtio_ccw_find_vqs()
706 		ccw_device_dma_free(vcdev->cdev, indicatorp,  in virtio_ccw_find_vqs()
707 				    sizeof(indicators(vcdev)));  in virtio_ccw_find_vqs()
708 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_find_vqs()
712 		ccw_device_dma_free(vcdev->cdev, indicatorp,  in virtio_ccw_find_vqs()
713 				    sizeof(indicators(vcdev)));  in virtio_ccw_find_vqs()
714 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_find_vqs()
721 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_reset()  local
724 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_reset()
729 	vcdev->dma_area->status = 0;  in virtio_ccw_reset()
736 	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_RESET);  in virtio_ccw_reset()
737 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_reset()
742 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_get_features()  local
748 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_get_features()
752 	features = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*features));  in virtio_ccw_get_features()
763 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_FEAT);  in virtio_ccw_get_features()
771 	if (vcdev->revision == 0)  in virtio_ccw_get_features()
780 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_FEAT);  in virtio_ccw_get_features()
785 	ccw_device_dma_free(vcdev->cdev, features, sizeof(*features));  in virtio_ccw_get_features()
786 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_get_features()
799 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_finalize_features()  local
804 	if (vcdev->revision >= 1 &&  in virtio_ccw_finalize_features()
811 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_finalize_features()
815 	features = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*features));  in virtio_ccw_finalize_features()
833 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_FEAT);  in virtio_ccw_finalize_features()
837 	if (vcdev->revision == 0)  in virtio_ccw_finalize_features()
847 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_FEAT);  in virtio_ccw_finalize_features()
850 	ccw_device_dma_free(vcdev->cdev, features, sizeof(*features));  in virtio_ccw_finalize_features()
851 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_finalize_features()
859 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_get_config()  local
865 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_get_config()
869 	config_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_get_config()
879 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_CONFIG);  in virtio_ccw_get_config()
883 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_get_config()
884 	memcpy(vcdev->config, config_area, offset + len);  in virtio_ccw_get_config()
885 	if (vcdev->config_ready < offset + len)  in virtio_ccw_get_config()
886 		vcdev->config_ready = offset + len;  in virtio_ccw_get_config()
887 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_get_config()
892 	ccw_device_dma_free(vcdev->cdev, config_area, VIRTIO_CCW_CONFIG_SIZE);  in virtio_ccw_get_config()
893 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_get_config()
900 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_set_config()  local
905 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_set_config()
909 	config_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_set_config()
915 	if (vcdev->config_ready < offset)  in virtio_ccw_set_config()
917 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_set_config()
918 	memcpy(&vcdev->config[offset], buf, len);  in virtio_ccw_set_config()
920 	memcpy(config_area, vcdev->config, sizeof(vcdev->config));  in virtio_ccw_set_config()
921 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_set_config()
926 	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_CONFIG);  in virtio_ccw_set_config()
929 	ccw_device_dma_free(vcdev->cdev, config_area, VIRTIO_CCW_CONFIG_SIZE);  in virtio_ccw_set_config()
930 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_config()
935 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_get_status()  local
936 	u8 old_status = vcdev->dma_area->status;  in virtio_ccw_get_status()
939 	if (vcdev->revision < 2)  in virtio_ccw_get_status()
940 		return vcdev->dma_area->status;  in virtio_ccw_get_status()
942 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_get_status()
948 	ccw->count = sizeof(vcdev->dma_area->status);  in virtio_ccw_get_status()
949 	ccw->cda = (__u32)(unsigned long)&vcdev->dma_area->status;  in virtio_ccw_get_status()
950 	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_STATUS);  in virtio_ccw_get_status()
957 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_get_status()
959 	return vcdev->dma_area->status;  in virtio_ccw_get_status()
964 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_set_status()  local
965 	u8 old_status = vcdev->dma_area->status;  in virtio_ccw_set_status()
969 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_set_status()
974 	vcdev->dma_area->status = status;  in virtio_ccw_set_status()
978 	ccw->cda = (__u32)(unsigned long)&vcdev->dma_area->status;  in virtio_ccw_set_status()
983 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_STATUS);  in virtio_ccw_set_status()
986 		vcdev->dma_area->status = old_status;  in virtio_ccw_set_status()
987 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_status()
992 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_bus_name()  local
994 	return dev_name(&vcdev->cdev->dev);  in virtio_ccw_bus_name()
999 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_synchronize_cbs()  local
1000 	struct airq_info *info = vcdev->airq_info;  in virtio_ccw_synchronize_cbs()
1016 		write_lock_irq(&vcdev->irq_lock);  in virtio_ccw_synchronize_cbs()
1017 		write_unlock_irq(&vcdev->irq_lock);  in virtio_ccw_synchronize_cbs()
1043 	struct virtio_ccw_device *vcdev = to_vc_device(dev);  in virtio_ccw_release_dev()  local
1045 	ccw_device_dma_free(vcdev->cdev, vcdev->dma_area,  in virtio_ccw_release_dev()
1046 			    sizeof(*vcdev->dma_area));  in virtio_ccw_release_dev()
1047 	kfree(vcdev);  in virtio_ccw_release_dev()
1061 static struct virtqueue *virtio_ccw_vq_by_ind(struct virtio_ccw_device *vcdev,  in virtio_ccw_vq_by_ind()  argument
1069 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_vq_by_ind()
1070 	list_for_each_entry(info, &vcdev->virtqueues, node) {  in virtio_ccw_vq_by_ind()
1076 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_vq_by_ind()
1080 static void virtio_ccw_check_activity(struct virtio_ccw_device *vcdev,  in virtio_ccw_check_activity()  argument
1083 	if (vcdev->curr_io & activity) {  in virtio_ccw_check_activity()
1098 			vcdev->curr_io &= ~activity;  in virtio_ccw_check_activity()
1099 			wake_up(&vcdev->wait_q);  in virtio_ccw_check_activity()
1103 			dev_warn(&vcdev->cdev->dev,  in virtio_ccw_check_activity()
1116 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);  in virtio_ccw_int_handler()  local
1120 	if (!vcdev)  in virtio_ccw_int_handler()
1123 		vcdev->err = PTR_ERR(irb);  in virtio_ccw_int_handler()
1124 		virtio_ccw_check_activity(vcdev, activity);  in virtio_ccw_int_handler()
1138 			vcdev->err = -EOPNOTSUPP;  in virtio_ccw_int_handler()
1141 			vcdev->err = -EIO;  in virtio_ccw_int_handler()
1143 	virtio_ccw_check_activity(vcdev, activity);  in virtio_ccw_int_handler()
1149 	read_lock(&vcdev->irq_lock);  in virtio_ccw_int_handler()
1151 	for_each_set_bit(i, indicators(vcdev),  in virtio_ccw_int_handler()
1152 			 sizeof(*indicators(vcdev)) * BITS_PER_BYTE) {  in virtio_ccw_int_handler()
1154 		clear_bit(i, indicators(vcdev));  in virtio_ccw_int_handler()
1156 		vq = virtio_ccw_vq_by_ind(vcdev, i);  in virtio_ccw_int_handler()
1160 	read_unlock(&vcdev->irq_lock);  in virtio_ccw_int_handler()
1162 	if (test_bit(0, indicators2(vcdev))) {  in virtio_ccw_int_handler()
1163 		virtio_config_changed(&vcdev->vdev);  in virtio_ccw_int_handler()
1164 		clear_bit(0, indicators2(vcdev));  in virtio_ccw_int_handler()
1213 	struct virtio_ccw_device *vcdev;  in virtio_grab_drvdata()  local
1216 	vcdev = dev_get_drvdata(&cdev->dev);  in virtio_grab_drvdata()
1217 	if (!vcdev || vcdev->going_away) {  in virtio_grab_drvdata()
1221 	vcdev->going_away = true;  in virtio_grab_drvdata()
1223 	return vcdev;  in virtio_grab_drvdata()
1229 	struct virtio_ccw_device *vcdev = virtio_grab_drvdata(cdev);  in virtio_ccw_remove()  local
1231 	if (vcdev && cdev->online) {  in virtio_ccw_remove()
1232 		if (vcdev->device_lost)  in virtio_ccw_remove()
1233 			virtio_break_device(&vcdev->vdev);  in virtio_ccw_remove()
1234 		unregister_virtio_device(&vcdev->vdev);  in virtio_ccw_remove()
1245 	struct virtio_ccw_device *vcdev = virtio_grab_drvdata(cdev);  in virtio_ccw_offline()  local
1247 	if (!vcdev)  in virtio_ccw_offline()
1249 	if (vcdev->device_lost)  in virtio_ccw_offline()
1250 		virtio_break_device(&vcdev->vdev);  in virtio_ccw_offline()
1251 	unregister_virtio_device(&vcdev->vdev);  in virtio_ccw_offline()
1258 static int virtio_ccw_set_transport_rev(struct virtio_ccw_device *vcdev)  in virtio_ccw_set_transport_rev()  argument
1264 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_set_transport_rev()
1267 	rev = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*rev));  in virtio_ccw_set_transport_rev()
1269 		ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_transport_rev()
1279 	vcdev->revision = VIRTIO_CCW_REV_MAX;  in virtio_ccw_set_transport_rev()
1281 		rev->revision = vcdev->revision;  in virtio_ccw_set_transport_rev()
1284 		ret = ccw_io_helper(vcdev, ccw,  in virtio_ccw_set_transport_rev()
1287 			if (vcdev->revision == 0)  in virtio_ccw_set_transport_rev()
1295 				vcdev->revision--;  in virtio_ccw_set_transport_rev()
1299 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_transport_rev()
1300 	ccw_device_dma_free(vcdev->cdev, rev, sizeof(*rev));  in virtio_ccw_set_transport_rev()
1307 	struct virtio_ccw_device *vcdev;  in virtio_ccw_online()  local
1310 	vcdev = kzalloc(sizeof(*vcdev), GFP_KERNEL);  in virtio_ccw_online()
1311 	if (!vcdev) {  in virtio_ccw_online()
1316 	vcdev->vdev.dev.parent = &cdev->dev;  in virtio_ccw_online()
1317 	vcdev->cdev = cdev;  in virtio_ccw_online()
1318 	vcdev->dma_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_online()
1319 						sizeof(*vcdev->dma_area));  in virtio_ccw_online()
1320 	if (!vcdev->dma_area) {  in virtio_ccw_online()
1325 	vcdev->is_thinint = virtio_ccw_use_airq; /* at least try */  in virtio_ccw_online()
1327 	vcdev->vdev.dev.release = virtio_ccw_release_dev;  in virtio_ccw_online()
1328 	vcdev->vdev.config = &virtio_ccw_config_ops;  in virtio_ccw_online()
1329 	init_waitqueue_head(&vcdev->wait_q);  in virtio_ccw_online()
1330 	INIT_LIST_HEAD(&vcdev->virtqueues);  in virtio_ccw_online()
1331 	spin_lock_init(&vcdev->lock);  in virtio_ccw_online()
1332 	rwlock_init(&vcdev->irq_lock);  in virtio_ccw_online()
1333 	mutex_init(&vcdev->io_lock);  in virtio_ccw_online()
1336 	dev_set_drvdata(&cdev->dev, vcdev);  in virtio_ccw_online()
1338 	vcdev->vdev.id.vendor = cdev->id.cu_type;  in virtio_ccw_online()
1339 	vcdev->vdev.id.device = cdev->id.cu_model;  in virtio_ccw_online()
1341 	ret = virtio_ccw_set_transport_rev(vcdev);  in virtio_ccw_online()
1345 	ret = register_virtio_device(&vcdev->vdev);  in virtio_ccw_online()
1356 	put_device(&vcdev->vdev.dev);  in virtio_ccw_online()
1359 	if (vcdev) {  in virtio_ccw_online()
1360 		ccw_device_dma_free(vcdev->cdev, vcdev->dma_area,  in virtio_ccw_online()
1361 				    sizeof(*vcdev->dma_area));  in virtio_ccw_online()
1363 	kfree(vcdev);  in virtio_ccw_online()
1370 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);  in virtio_ccw_cio_notify()  local
1376 	if (!vcdev)  in virtio_ccw_cio_notify()
1381 		vcdev->device_lost = true;  in virtio_ccw_cio_notify()