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Ben Dooksa1bdc7a2005-10-13 17:54:41 +01001
Greg Kroah-Hartmanc6f7e722007-11-01 19:41:16 -07002/**
3 * struct bus_type_private - structure to hold the private to the driver core portions of the bus_type structure.
4 *
5 * @subsys - the struct kset that defines this bus. This is the main kobject
6 * @drivers_kset - the list of drivers associated with this bus
7 * @devices_kset - the list of devices associated with this bus
8 * @klist_devices - the klist to iterate over the @devices_kset
9 * @klist_drivers - the klist to iterate over the @drivers_kset
10 * @bus_notifier - the bus notifier list for anything that cares about things
11 * on this bus.
12 * @bus - pointer back to the struct bus_type that this structure is associated
13 * with.
14 *
15 * This structure is the one that is the actual kobject allowing struct
16 * bus_type to be statically allocated safely. Nothing outside of the driver
17 * core should ever touch these fields.
18 */
19struct bus_type_private {
20 struct kset subsys;
21 struct kset *drivers_kset;
22 struct kset *devices_kset;
23 struct klist klist_devices;
24 struct klist klist_drivers;
25 struct blocking_notifier_head bus_notifier;
26 unsigned int drivers_autoprobe:1;
27 struct bus_type *bus;
28};
Ben Dooksa1bdc7a2005-10-13 17:54:41 +010029
Greg Kroah-Hartmane5dd1272007-11-28 15:59:15 -080030struct driver_private {
31 struct kobject kobj;
32 struct klist klist_devices;
33 struct klist_node knode_bus;
34 struct module_kobject *mkobj;
35 struct device_driver *driver;
36};
37#define to_driver(obj) container_of(obj, struct driver_private, kobj)
Greg Kroah-Hartmanc6f7e722007-11-01 19:41:16 -070038
Greg Kroah-Hartman7c714482008-01-22 18:17:41 -050039
40/**
41 * struct class_private - structure to hold the private to the driver core portions of the class structure.
42 *
Greg Kroah-Hartman1fbfee62008-05-28 09:28:39 -070043 * @class_subsys - the struct kset that defines this class. This is the main kobject
Greg Kroah-Hartman97ae69f2008-05-28 09:28:39 -070044 * @class_devices - list of devices associated with this class
Greg Kroah-Hartman184f1f72008-05-28 09:28:39 -070045 * @class_interfaces - list of class_interfaces associated with this class
Greg Kroah-Hartman1e412502008-05-28 09:28:39 -070046 * @class_dirs - "glue" directory for virtual devices associated with this class
Dave Youngf75b1c62008-05-28 09:28:39 -070047 * @class_mutex - mutex to protect the children, devices, and interfaces lists.
Greg Kroah-Hartman7c714482008-01-22 18:17:41 -050048 * @class - pointer back to the struct class that this structure is associated
49 * with.
50 *
51 * This structure is the one that is the actual kobject allowing struct
52 * class to be statically allocated safely. Nothing outside of the driver
53 * core should ever touch these fields.
54 */
55struct class_private {
Greg Kroah-Hartman1fbfee62008-05-28 09:28:39 -070056 struct kset class_subsys;
Tejun Heo5a3ceb82008-08-25 19:50:19 +020057 struct klist class_devices;
Greg Kroah-Hartman184f1f72008-05-28 09:28:39 -070058 struct list_head class_interfaces;
Greg Kroah-Hartman7c714482008-01-22 18:17:41 -050059 struct kset class_dirs;
Dave Youngf75b1c62008-05-28 09:28:39 -070060 struct mutex class_mutex;
Greg Kroah-Hartman7c714482008-01-22 18:17:41 -050061 struct class *class;
62};
Greg Kroah-Hartman1fbfee62008-05-28 09:28:39 -070063#define to_class(obj) \
64 container_of(obj, struct class_private, class_subsys.kobj)
Greg Kroah-Hartman7c714482008-01-22 18:17:41 -050065
Greg Kroah-Hartmanc6f7e722007-11-01 19:41:16 -070066/* initialisation functions */
Ben Dooksa1bdc7a2005-10-13 17:54:41 +010067extern int devices_init(void);
68extern int buses_init(void);
69extern int classes_init(void);
70extern int firmware_init(void);
Michael Holzheu40394832006-05-09 12:53:49 +020071#ifdef CONFIG_SYS_HYPERVISOR
72extern int hypervisor_init(void);
73#else
74static inline int hypervisor_init(void) { return 0; }
75#endif
Ben Dooksa1bdc7a2005-10-13 17:54:41 +010076extern int platform_bus_init(void);
77extern int system_bus_init(void);
78extern int cpu_dev_init(void);
Ben Dooksa1bdc7a2005-10-13 17:54:41 +010079
Greg Kroah-Hartman4a3ad202008-01-24 22:50:12 -080080extern int bus_add_device(struct device *dev);
81extern void bus_attach_device(struct device *dev);
82extern void bus_remove_device(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Greg Kroah-Hartman4a3ad202008-01-24 22:50:12 -080084extern int bus_add_driver(struct device_driver *drv);
85extern void bus_remove_driver(struct device_driver *drv);
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
Greg Kroah-Hartman4a3ad202008-01-24 22:50:12 -080087extern void driver_detach(struct device_driver *drv);
88extern int driver_probe_device(struct device_driver *drv, struct device *dev);
mochel@digitalimplant.org07e4a3e2005-03-21 10:52:54 -080089
Adrian Bunkf67d1152006-01-19 17:30:17 +010090extern void sysdev_shutdown(void);
91extern int sysdev_suspend(pm_message_t state);
92extern int sysdev_resume(void);
93
Greg Kroah-Hartmanaa49b912006-06-20 13:59:20 -070094extern char *make_class_name(const char *name, struct kobject *kobj);
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
Adrian Bunk2a013452007-06-18 01:42:54 +020096extern int devres_release_all(struct device *dev);
Greg Kroah-Hartman823bccf2007-04-13 13:15:19 -070097
Greg Kroah-Hartman881c6cfd2007-11-01 09:29:06 -060098extern struct kset *devices_kset;
Greg Kroah-Hartmanc63469a2007-11-28 12:23:18 -080099
Randy Dunlap92b42142007-12-31 10:05:43 -0800100#if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS)
Greg Kroah-Hartmanc63469a2007-11-28 12:23:18 -0800101extern void module_add_driver(struct module *mod, struct device_driver *drv);
102extern void module_remove_driver(struct device_driver *drv);
103#else
104static inline void module_add_driver(struct module *mod,
105 struct device_driver *drv) { }
106static inline void module_remove_driver(struct device_driver *drv) { }
107#endif