75 static inline unsigned long *indicators(struct virtio_ccw_device *vcdev)  in indicators()  argument
77 	return &vcdev->dma_area->indicators;  in indicators()
80 static inline unsigned long *indicators2(struct virtio_ccw_device *vcdev)  in indicators2()  argument
82 	return &vcdev->dma_area->indicators2;  in indicators2()
296 static void virtio_ccw_drop_indicators(struct virtio_ccw_device *vcdev)  in virtio_ccw_drop_indicators()  argument
300 	if (!vcdev->airq_info)  in virtio_ccw_drop_indicators()
302 	list_for_each_entry(info, &vcdev->virtqueues, node)  in virtio_ccw_drop_indicators()
303 		drop_airq_indicator(info->vq, vcdev->airq_info);  in virtio_ccw_drop_indicators()
306 static int doing_io(struct virtio_ccw_device *vcdev, __u32 flag)  in doing_io()  argument
311 	spin_lock_irqsave(get_ccwdev_lock(vcdev->cdev), flags);  in doing_io()
312 	if (vcdev->err)  in doing_io()
315 		ret = vcdev->curr_io & flag;  in doing_io()
316 	spin_unlock_irqrestore(get_ccwdev_lock(vcdev->cdev), flags);  in doing_io()
320 static int ccw_io_helper(struct virtio_ccw_device *vcdev,  in ccw_io_helper()  argument
327 	mutex_lock(&vcdev->io_lock);  in ccw_io_helper()
329 		spin_lock_irqsave(get_ccwdev_lock(vcdev->cdev), flags);  in ccw_io_helper()
330 		ret = ccw_device_start(vcdev->cdev, ccw, intparm, 0, 0);  in ccw_io_helper()
332 			if (!vcdev->curr_io)  in ccw_io_helper()
333 				vcdev->err = 0;  in ccw_io_helper()
334 			vcdev->curr_io |= flag;  in ccw_io_helper()
336 		spin_unlock_irqrestore(get_ccwdev_lock(vcdev->cdev), flags);  in ccw_io_helper()
339 	wait_event(vcdev->wait_q, doing_io(vcdev, flag) == 0);  in ccw_io_helper()
340 	ret = ret ? ret : vcdev->err;  in ccw_io_helper()
341 	mutex_unlock(&vcdev->io_lock);  in ccw_io_helper()
345 static void virtio_ccw_drop_indicator(struct virtio_ccw_device *vcdev,  in virtio_ccw_drop_indicator()  argument
351 	struct airq_info *airq_info = vcdev->airq_info;  in virtio_ccw_drop_indicator()
353 	if (vcdev->is_thinint) {  in virtio_ccw_drop_indicator()
354 		thinint_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_drop_indicator()
366 		indicatorp = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_drop_indicator()
367 						   sizeof(indicators(vcdev)));  in virtio_ccw_drop_indicator()
372 		ccw->count = sizeof(indicators(vcdev));  in virtio_ccw_drop_indicator()
376 	*indicators(vcdev) = 0;  in virtio_ccw_drop_indicator()
378 	ret = ccw_io_helper(vcdev, ccw,  in virtio_ccw_drop_indicator()
379 			    vcdev->is_thinint ?  in virtio_ccw_drop_indicator()
383 		dev_info(&vcdev->cdev->dev,  in virtio_ccw_drop_indicator()
385 	else if (vcdev->is_thinint)  in virtio_ccw_drop_indicator()
386 		virtio_ccw_drop_indicators(vcdev);  in virtio_ccw_drop_indicator()
387 	ccw_device_dma_free(vcdev->cdev, indicatorp, sizeof(indicators(vcdev)));  in virtio_ccw_drop_indicator()
388 	ccw_device_dma_free(vcdev->cdev, thinint_area, sizeof(*thinint_area));  in virtio_ccw_drop_indicator()
419 	struct virtio_ccw_device *vcdev;  in virtio_ccw_kvm_notify()  local
422 	vcdev = to_vc_device(info->vq->vdev);  in virtio_ccw_kvm_notify()
423 	ccw_device_get_schid(vcdev->cdev, &schid);  in virtio_ccw_kvm_notify()
430 static int virtio_ccw_read_vq_conf(struct virtio_ccw_device *vcdev,  in virtio_ccw_read_vq_conf()  argument
435 	vcdev->dma_area->config_block.index = index;  in virtio_ccw_read_vq_conf()
439 	ccw->cda = (__u32)(unsigned long)(&vcdev->dma_area->config_block);  in virtio_ccw_read_vq_conf()
440 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_VQ_CONF);  in virtio_ccw_read_vq_conf()
443 	return vcdev->dma_area->config_block.num ?: -ENOENT;  in virtio_ccw_read_vq_conf()
448 	struct virtio_ccw_device *vcdev = to_vc_device(vq->vdev);  in virtio_ccw_del_vq()  local
455 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_del_vq()
457 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_del_vq()
460 	if (vcdev->revision == 0) {  in virtio_ccw_del_vq()
477 	ret = ccw_io_helper(vcdev, ccw,  in virtio_ccw_del_vq()
488 	ccw_device_dma_free(vcdev->cdev, info->info_block,  in virtio_ccw_del_vq()
497 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_del_vqs()  local
499 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_del_vqs()
503 	virtio_ccw_drop_indicator(vcdev, ccw);  in virtio_ccw_del_vqs()
508 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_del_vqs()
516 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_setup_vq()  local
527 		dev_warn(&vcdev->cdev->dev, "no info\n");  in virtio_ccw_setup_vq()
531 	info->info_block = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_setup_vq()
534 		dev_warn(&vcdev->cdev->dev, "no info block\n");  in virtio_ccw_setup_vq()
538 	info->num = virtio_ccw_read_vq_conf(vcdev, ccw, i);  in virtio_ccw_setup_vq()
543 	may_reduce = vcdev->revision > 0;  in virtio_ccw_setup_vq()
550 		dev_warn(&vcdev->cdev->dev, "no vq\n");  in virtio_ccw_setup_vq()
559 	if (vcdev->revision == 0) {  in virtio_ccw_setup_vq()
576 	err = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_VQ | i);  in virtio_ccw_setup_vq()
578 		dev_warn(&vcdev->cdev->dev, "SET_VQ failed\n");  in virtio_ccw_setup_vq()
586 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_setup_vq()
587 	list_add(&info->node, &vcdev->virtqueues);  in virtio_ccw_setup_vq()
588 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_setup_vq()
596 		ccw_device_dma_free(vcdev->cdev, info->info_block,  in virtio_ccw_setup_vq()
603 static int virtio_ccw_register_adapter_ind(struct virtio_ccw_device *vcdev,  in virtio_ccw_register_adapter_ind()  argument
611 	thinint_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_register_adapter_ind()
620 						     &vcdev->airq_info);  in virtio_ccw_register_adapter_ind()
625 	info = vcdev->airq_info;  in virtio_ccw_register_adapter_ind()
633 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND_ADAPTER);  in virtio_ccw_register_adapter_ind()
643 			dev_warn(&vcdev->cdev->dev,  in virtio_ccw_register_adapter_ind()
645 		virtio_ccw_drop_indicators(vcdev);  in virtio_ccw_register_adapter_ind()
648 	ccw_device_dma_free(vcdev->cdev, thinint_area, sizeof(*thinint_area));  in virtio_ccw_register_adapter_ind()
659 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_find_vqs()  local
664 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_find_vqs()
688 	indicatorp = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_find_vqs()
689 					   sizeof(indicators(vcdev)));  in virtio_ccw_find_vqs()
692 	*indicatorp = (unsigned long) indicators(vcdev);  in virtio_ccw_find_vqs()
693 	if (vcdev->is_thinint) {  in virtio_ccw_find_vqs()
694 		ret = virtio_ccw_register_adapter_ind(vcdev, vqs, nvqs, ccw);  in virtio_ccw_find_vqs()
697 			vcdev->is_thinint = false;  in virtio_ccw_find_vqs()
699 	if (!vcdev->is_thinint) {  in virtio_ccw_find_vqs()
701 		*indicators(vcdev) = 0;  in virtio_ccw_find_vqs()
704 		ccw->count = sizeof(indicators(vcdev));  in virtio_ccw_find_vqs()
706 		ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_IND);  in virtio_ccw_find_vqs()
711 	*indicatorp = (unsigned long) indicators2(vcdev);  in virtio_ccw_find_vqs()
712 	*indicators2(vcdev) = 0;  in virtio_ccw_find_vqs()
715 	ccw->count = sizeof(indicators2(vcdev));  in virtio_ccw_find_vqs()
717 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_SET_CONF_IND);  in virtio_ccw_find_vqs()
722 		ccw_device_dma_free(vcdev->cdev, indicatorp,  in virtio_ccw_find_vqs()
723 				    sizeof(indicators(vcdev)));  in virtio_ccw_find_vqs()
724 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_find_vqs()
728 		ccw_device_dma_free(vcdev->cdev, indicatorp,  in virtio_ccw_find_vqs()
729 				    sizeof(indicators(vcdev)));  in virtio_ccw_find_vqs()
730 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_find_vqs()
737 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_reset()  local
740 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_reset()
745 	vcdev->dma_area->status = 0;  in virtio_ccw_reset()
752 	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_RESET);  in virtio_ccw_reset()
753 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_reset()
758 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_get_features()  local
764 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_get_features()
768 	features = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*features));  in virtio_ccw_get_features()
779 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_FEAT);  in virtio_ccw_get_features()
787 	if (vcdev->revision == 0)  in virtio_ccw_get_features()
796 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_FEAT);  in virtio_ccw_get_features()
801 	ccw_device_dma_free(vcdev->cdev, features, sizeof(*features));  in virtio_ccw_get_features()
802 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_get_features()
815 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_finalize_features()  local
820 	if (vcdev->revision >= 1 &&  in virtio_ccw_finalize_features()
827 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_finalize_features()
831 	features = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*features));  in virtio_ccw_finalize_features()
849 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_FEAT);  in virtio_ccw_finalize_features()
853 	if (vcdev->revision == 0)  in virtio_ccw_finalize_features()
863 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_FEAT);  in virtio_ccw_finalize_features()
866 	ccw_device_dma_free(vcdev->cdev, features, sizeof(*features));  in virtio_ccw_finalize_features()
867 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_finalize_features()
875 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_get_config()  local
881 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_get_config()
885 	config_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_get_config()
895 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_CONFIG);  in virtio_ccw_get_config()
899 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_get_config()
900 	memcpy(vcdev->config, config_area, offset + len);  in virtio_ccw_get_config()
901 	if (vcdev->config_ready < offset + len)  in virtio_ccw_get_config()
902 		vcdev->config_ready = offset + len;  in virtio_ccw_get_config()
903 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_get_config()
908 	ccw_device_dma_free(vcdev->cdev, config_area, VIRTIO_CCW_CONFIG_SIZE);  in virtio_ccw_get_config()
909 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_get_config()
916 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_set_config()  local
921 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_set_config()
925 	config_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_set_config()
931 	if (vcdev->config_ready < offset)  in virtio_ccw_set_config()
933 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_set_config()
934 	memcpy(&vcdev->config[offset], buf, len);  in virtio_ccw_set_config()
936 	memcpy(config_area, vcdev->config, sizeof(vcdev->config));  in virtio_ccw_set_config()
937 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_set_config()
942 	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_CONFIG);  in virtio_ccw_set_config()
945 	ccw_device_dma_free(vcdev->cdev, config_area, VIRTIO_CCW_CONFIG_SIZE);  in virtio_ccw_set_config()
946 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_config()
951 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_get_status()  local
952 	u8 old_status = vcdev->dma_area->status;  in virtio_ccw_get_status()
955 	if (vcdev->revision < 1)  in virtio_ccw_get_status()
956 		return vcdev->dma_area->status;  in virtio_ccw_get_status()
958 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_get_status()
964 	ccw->count = sizeof(vcdev->dma_area->status);  in virtio_ccw_get_status()
965 	ccw->cda = (__u32)(unsigned long)&vcdev->dma_area->status;  in virtio_ccw_get_status()
966 	ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_STATUS);  in virtio_ccw_get_status()
973 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_get_status()
975 	return vcdev->dma_area->status;  in virtio_ccw_get_status()
980 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_set_status()  local
981 	u8 old_status = vcdev->dma_area->status;  in virtio_ccw_set_status()
985 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_set_status()
990 	vcdev->dma_area->status = status;  in virtio_ccw_set_status()
994 	ccw->cda = (__u32)(unsigned long)&vcdev->dma_area->status;  in virtio_ccw_set_status()
995 	ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_STATUS);  in virtio_ccw_set_status()
998 		vcdev->dma_area->status = old_status;  in virtio_ccw_set_status()
999 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_status()
1004 	struct virtio_ccw_device *vcdev = to_vc_device(vdev);  in virtio_ccw_bus_name()  local
1006 	return dev_name(&vcdev->cdev->dev);  in virtio_ccw_bus_name()
1030 	struct virtio_ccw_device *vcdev = to_vc_device(dev);  in virtio_ccw_release_dev()  local
1032 	ccw_device_dma_free(vcdev->cdev, vcdev->dma_area,  in virtio_ccw_release_dev()
1033 			    sizeof(*vcdev->dma_area));  in virtio_ccw_release_dev()
1034 	kfree(vcdev);  in virtio_ccw_release_dev()
1048 static struct virtqueue *virtio_ccw_vq_by_ind(struct virtio_ccw_device *vcdev,  in virtio_ccw_vq_by_ind()  argument
1056 	spin_lock_irqsave(&vcdev->lock, flags);  in virtio_ccw_vq_by_ind()
1057 	list_for_each_entry(info, &vcdev->virtqueues, node) {  in virtio_ccw_vq_by_ind()
1063 	spin_unlock_irqrestore(&vcdev->lock, flags);  in virtio_ccw_vq_by_ind()
1067 static void virtio_ccw_check_activity(struct virtio_ccw_device *vcdev,  in virtio_ccw_check_activity()  argument
1070 	if (vcdev->curr_io & activity) {  in virtio_ccw_check_activity()
1085 			vcdev->curr_io &= ~activity;  in virtio_ccw_check_activity()
1086 			wake_up(&vcdev->wait_q);  in virtio_ccw_check_activity()
1090 			dev_warn(&vcdev->cdev->dev,  in virtio_ccw_check_activity()
1103 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);  in virtio_ccw_int_handler()  local
1107 	if (!vcdev)  in virtio_ccw_int_handler()
1110 		vcdev->err = PTR_ERR(irb);  in virtio_ccw_int_handler()
1111 		virtio_ccw_check_activity(vcdev, activity);  in virtio_ccw_int_handler()
1125 			vcdev->err = -EOPNOTSUPP;  in virtio_ccw_int_handler()
1128 			vcdev->err = -EIO;  in virtio_ccw_int_handler()
1130 	virtio_ccw_check_activity(vcdev, activity);  in virtio_ccw_int_handler()
1131 	for_each_set_bit(i, indicators(vcdev),  in virtio_ccw_int_handler()
1132 			 sizeof(*indicators(vcdev)) * BITS_PER_BYTE) {  in virtio_ccw_int_handler()
1134 		clear_bit(i, indicators(vcdev));  in virtio_ccw_int_handler()
1136 		vq = virtio_ccw_vq_by_ind(vcdev, i);  in virtio_ccw_int_handler()
1139 	if (test_bit(0, indicators2(vcdev))) {  in virtio_ccw_int_handler()
1140 		virtio_config_changed(&vcdev->vdev);  in virtio_ccw_int_handler()
1141 		clear_bit(0, indicators2(vcdev));  in virtio_ccw_int_handler()
1190 	struct virtio_ccw_device *vcdev;  in virtio_grab_drvdata()  local
1193 	vcdev = dev_get_drvdata(&cdev->dev);  in virtio_grab_drvdata()
1194 	if (!vcdev || vcdev->going_away) {  in virtio_grab_drvdata()
1198 	vcdev->going_away = true;  in virtio_grab_drvdata()
1200 	return vcdev;  in virtio_grab_drvdata()
1206 	struct virtio_ccw_device *vcdev = virtio_grab_drvdata(cdev);  in virtio_ccw_remove()  local
1208 	if (vcdev && cdev->online) {  in virtio_ccw_remove()
1209 		if (vcdev->device_lost)  in virtio_ccw_remove()
1210 			virtio_break_device(&vcdev->vdev);  in virtio_ccw_remove()
1211 		unregister_virtio_device(&vcdev->vdev);  in virtio_ccw_remove()
1222 	struct virtio_ccw_device *vcdev = virtio_grab_drvdata(cdev);  in virtio_ccw_offline()  local
1224 	if (!vcdev)  in virtio_ccw_offline()
1226 	if (vcdev->device_lost)  in virtio_ccw_offline()
1227 		virtio_break_device(&vcdev->vdev);  in virtio_ccw_offline()
1228 	unregister_virtio_device(&vcdev->vdev);  in virtio_ccw_offline()
1235 static int virtio_ccw_set_transport_rev(struct virtio_ccw_device *vcdev)  in virtio_ccw_set_transport_rev()  argument
1241 	ccw = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*ccw));  in virtio_ccw_set_transport_rev()
1244 	rev = ccw_device_dma_zalloc(vcdev->cdev, sizeof(*rev));  in virtio_ccw_set_transport_rev()
1246 		ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_transport_rev()
1256 	vcdev->revision = VIRTIO_CCW_REV_MAX;  in virtio_ccw_set_transport_rev()
1258 		rev->revision = vcdev->revision;  in virtio_ccw_set_transport_rev()
1261 		ret = ccw_io_helper(vcdev, ccw,  in virtio_ccw_set_transport_rev()
1264 			if (vcdev->revision == 0)  in virtio_ccw_set_transport_rev()
1272 				vcdev->revision--;  in virtio_ccw_set_transport_rev()
1276 	ccw_device_dma_free(vcdev->cdev, ccw, sizeof(*ccw));  in virtio_ccw_set_transport_rev()
1277 	ccw_device_dma_free(vcdev->cdev, rev, sizeof(*rev));  in virtio_ccw_set_transport_rev()
1284 	struct virtio_ccw_device *vcdev;  in virtio_ccw_online()  local
1287 	vcdev = kzalloc(sizeof(*vcdev), GFP_KERNEL);  in virtio_ccw_online()
1288 	if (!vcdev) {  in virtio_ccw_online()
1293 	vcdev->vdev.dev.parent = &cdev->dev;  in virtio_ccw_online()
1294 	vcdev->cdev = cdev;  in virtio_ccw_online()
1295 	vcdev->dma_area = ccw_device_dma_zalloc(vcdev->cdev,  in virtio_ccw_online()
1296 						sizeof(*vcdev->dma_area));  in virtio_ccw_online()
1297 	if (!vcdev->dma_area) {  in virtio_ccw_online()
1302 	vcdev->is_thinint = virtio_ccw_use_airq; /* at least try */  in virtio_ccw_online()
1304 	vcdev->vdev.dev.release = virtio_ccw_release_dev;  in virtio_ccw_online()
1305 	vcdev->vdev.config = &virtio_ccw_config_ops;  in virtio_ccw_online()
1306 	init_waitqueue_head(&vcdev->wait_q);  in virtio_ccw_online()
1307 	INIT_LIST_HEAD(&vcdev->virtqueues);  in virtio_ccw_online()
1308 	spin_lock_init(&vcdev->lock);  in virtio_ccw_online()
1309 	mutex_init(&vcdev->io_lock);  in virtio_ccw_online()
1312 	dev_set_drvdata(&cdev->dev, vcdev);  in virtio_ccw_online()
1314 	vcdev->vdev.id.vendor = cdev->id.cu_type;  in virtio_ccw_online()
1315 	vcdev->vdev.id.device = cdev->id.cu_model;  in virtio_ccw_online()
1317 	ret = virtio_ccw_set_transport_rev(vcdev);  in virtio_ccw_online()
1321 	ret = register_virtio_device(&vcdev->vdev);  in virtio_ccw_online()
1332 	put_device(&vcdev->vdev.dev);  in virtio_ccw_online()
1335 	if (vcdev) {  in virtio_ccw_online()
1336 		ccw_device_dma_free(vcdev->cdev, vcdev->dma_area,  in virtio_ccw_online()
1337 				    sizeof(*vcdev->dma_area));  in virtio_ccw_online()
1339 	kfree(vcdev);  in virtio_ccw_online()
1346 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);  in virtio_ccw_cio_notify()  local
1352 	if (!vcdev)  in virtio_ccw_cio_notify()
1357 		vcdev->device_lost = true;  in virtio_ccw_cio_notify()
1378 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);  in virtio_ccw_freeze()  local
1380 	return virtio_device_freeze(&vcdev->vdev);  in virtio_ccw_freeze()
1385 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);  in virtio_ccw_restore()  local
1388 	ret = virtio_ccw_set_transport_rev(vcdev);  in virtio_ccw_restore()
1392 	return virtio_device_restore(&vcdev->vdev);  in virtio_ccw_restore()