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10 #ifndef MDEV_PRIVATE_H
11 #define MDEV_PRIVATE_H
12
13 int mdev_bus_register(void);
14 void mdev_bus_unregister(void);
15
16 struct mdev_parent {
17 struct device *dev;
18 const struct mdev_parent_ops *ops;
19 struct kref ref;
20 struct list_head next;
21 struct kset *mdev_types_kset;
22 struct list_head type_list;
23
24 struct rw_semaphore unreg_sem;
25 };
26
27 struct mdev_device {
28 struct device dev;
29 struct mdev_parent *parent;
30 guid_t uuid;
31 void *driver_data;
32 struct list_head next;
33 struct kobject *type_kobj;
34 struct device *iommu_device;
35 bool active;
36 };
37
38 #define to_mdev_device(dev) container_of(dev, struct mdev_device, dev)
39 #define dev_is_mdev(d) ((d)->bus == &mdev_bus_type)
40
41 struct mdev_type {
42 struct kobject kobj;
43 struct kobject *devices_kobj;
44 struct mdev_parent *parent;
45 struct list_head next;
46 struct attribute_group *group;
47 };
48
49 #define to_mdev_type_attr(_attr) \
50 container_of(_attr, struct mdev_type_attribute, attr)
51 #define to_mdev_type(_kobj) \
52 container_of(_kobj, struct mdev_type, kobj)
53
54 int parent_create_sysfs_files(struct mdev_parent *parent);
55 void parent_remove_sysfs_files(struct mdev_parent *parent);
56
57 int mdev_create_sysfs_files(struct device *dev, struct mdev_type *type);
58 void mdev_remove_sysfs_files(struct device *dev, struct mdev_type *type);
59
60 int mdev_device_create(struct kobject *kobj,
61 struct device *dev, const guid_t *uuid);
62 int mdev_device_remove(struct device *dev);
63
64 #endif