1/*
 2 * Mediated device interal definitions
 3 *
 4 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 5 *     Author: Neo Jia <cjia@nvidia.com>
 6 *             Kirti Wankhede <kwankhede@nvidia.com>
 7 *
 8 * This program is free software; you can redistribute it and/or modify
 9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#ifndef MDEV_PRIVATE_H
14#define MDEV_PRIVATE_H
15
16int  mdev_bus_register(void);
17void mdev_bus_unregister(void);
18
19struct mdev_parent {
20	struct device *dev;
21	const struct mdev_parent_ops *ops;
22	struct kref ref;
23	struct mutex lock;
24	struct list_head next;
25	struct kset *mdev_types_kset;
26	struct list_head type_list;
27};
28
29struct mdev_device {
30	struct device dev;
31	struct mdev_parent *parent;
32	uuid_le uuid;
33	void *driver_data;
34	struct kref ref;
35	struct list_head next;
36	struct kobject *type_kobj;
37};
38
39#define to_mdev_device(dev)	container_of(dev, struct mdev_device, dev)
40#define dev_is_mdev(d)		((d)->bus == &mdev_bus_type)
41
42struct mdev_type {
43	struct kobject kobj;
44	struct kobject *devices_kobj;
45	struct mdev_parent *parent;
46	struct list_head next;
47	struct attribute_group *group;
48};
49
50#define to_mdev_type_attr(_attr)	\
51	container_of(_attr, struct mdev_type_attribute, attr)
52#define to_mdev_type(_kobj)		\
53	container_of(_kobj, struct mdev_type, kobj)
54
55int  parent_create_sysfs_files(struct mdev_parent *parent);
56void parent_remove_sysfs_files(struct mdev_parent *parent);
57
58int  mdev_create_sysfs_files(struct device *dev, struct mdev_type *type);
59void mdev_remove_sysfs_files(struct device *dev, struct mdev_type *type);
60
61int  mdev_device_create(struct kobject *kobj, struct device *dev, uuid_le uuid);
62int  mdev_device_remove(struct device *dev, bool force_remove);
63
64#endif /* MDEV_PRIVATE_H */