1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Mediated device internal definitions
5 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
10 #ifndef MDEV_PRIVATE_H
11 #define MDEV_PRIVATE_H
13 int mdev_bus_register(void);
14 void mdev_bus_unregister(void);
18 const struct mdev_parent_ops *ops;
20 struct list_head next;
21 struct kset *mdev_types_kset;
22 struct list_head type_list;
23 /* Synchronize device creation/removal with parent unregistration */
24 struct rw_semaphore unreg_sem;
29 struct kobject *devices_kobj;
30 struct mdev_parent *parent;
31 struct list_head next;
32 unsigned int type_group_id;
35 #define to_mdev_type_attr(_attr) \
36 container_of(_attr, struct mdev_type_attribute, attr)
37 #define to_mdev_type(_kobj) \
38 container_of(_kobj, struct mdev_type, kobj)
40 int parent_create_sysfs_files(struct mdev_parent *parent);
41 void parent_remove_sysfs_files(struct mdev_parent *parent);
43 int mdev_create_sysfs_files(struct mdev_device *mdev);
44 void mdev_remove_sysfs_files(struct mdev_device *mdev);
46 int mdev_device_create(struct mdev_type *kobj, const guid_t *uuid);
47 int mdev_device_remove(struct mdev_device *dev);
49 void mdev_release_parent(struct kref *kref);
51 static inline void mdev_get_parent(struct mdev_parent *parent)
53 kref_get(&parent->ref);
56 static inline void mdev_put_parent(struct mdev_parent *parent)
58 kref_put(&parent->ref, mdev_release_parent);
61 #endif /* MDEV_PRIVATE_H */