1a1bdc7aaSBen Dooks 2c6f7e72aSGreg Kroah-Hartman /** 3c6f7e72aSGreg Kroah-Hartman * struct bus_type_private - structure to hold the private to the driver core portions of the bus_type structure. 4c6f7e72aSGreg Kroah-Hartman * 5c6f7e72aSGreg Kroah-Hartman * @subsys - the struct kset that defines this bus. This is the main kobject 6c6f7e72aSGreg Kroah-Hartman * @drivers_kset - the list of drivers associated with this bus 7c6f7e72aSGreg Kroah-Hartman * @devices_kset - the list of devices associated with this bus 8c6f7e72aSGreg Kroah-Hartman * @klist_devices - the klist to iterate over the @devices_kset 9c6f7e72aSGreg Kroah-Hartman * @klist_drivers - the klist to iterate over the @drivers_kset 10c6f7e72aSGreg Kroah-Hartman * @bus_notifier - the bus notifier list for anything that cares about things 11c6f7e72aSGreg Kroah-Hartman * on this bus. 12c6f7e72aSGreg Kroah-Hartman * @bus - pointer back to the struct bus_type that this structure is associated 13c6f7e72aSGreg Kroah-Hartman * with. 14c6f7e72aSGreg Kroah-Hartman * 15c6f7e72aSGreg Kroah-Hartman * This structure is the one that is the actual kobject allowing struct 16c6f7e72aSGreg Kroah-Hartman * bus_type to be statically allocated safely. Nothing outside of the driver 17c6f7e72aSGreg Kroah-Hartman * core should ever touch these fields. 18c6f7e72aSGreg Kroah-Hartman */ 19c6f7e72aSGreg Kroah-Hartman struct bus_type_private { 20c6f7e72aSGreg Kroah-Hartman struct kset subsys; 21c6f7e72aSGreg Kroah-Hartman struct kset *drivers_kset; 22c6f7e72aSGreg Kroah-Hartman struct kset *devices_kset; 23c6f7e72aSGreg Kroah-Hartman struct klist klist_devices; 24c6f7e72aSGreg Kroah-Hartman struct klist klist_drivers; 25c6f7e72aSGreg Kroah-Hartman struct blocking_notifier_head bus_notifier; 26c6f7e72aSGreg Kroah-Hartman unsigned int drivers_autoprobe:1; 27c6f7e72aSGreg Kroah-Hartman struct bus_type *bus; 28c6f7e72aSGreg Kroah-Hartman }; 29a1bdc7aaSBen Dooks 30e5dd1278SGreg Kroah-Hartman struct driver_private { 31e5dd1278SGreg Kroah-Hartman struct kobject kobj; 32e5dd1278SGreg Kroah-Hartman struct klist klist_devices; 33e5dd1278SGreg Kroah-Hartman struct klist_node knode_bus; 34e5dd1278SGreg Kroah-Hartman struct module_kobject *mkobj; 35e5dd1278SGreg Kroah-Hartman struct device_driver *driver; 36e5dd1278SGreg Kroah-Hartman }; 37e5dd1278SGreg Kroah-Hartman #define to_driver(obj) container_of(obj, struct driver_private, kobj) 38c6f7e72aSGreg Kroah-Hartman 397c71448bSGreg Kroah-Hartman 407c71448bSGreg Kroah-Hartman /** 417c71448bSGreg Kroah-Hartman * struct class_private - structure to hold the private to the driver core portions of the class structure. 427c71448bSGreg Kroah-Hartman * 431fbfee6cSGreg Kroah-Hartman * @class_subsys - the struct kset that defines this class. This is the main kobject 447c71448bSGreg Kroah-Hartman * @children - list of class_devices associated with this class 4597ae69fdSGreg Kroah-Hartman * @class_devices - list of devices associated with this class 46184f1f77SGreg Kroah-Hartman * @class_interfaces - list of class_interfaces associated with this class 477c71448bSGreg Kroah-Hartman * @class_dirs - 48d9a01573SGreg Kroah-Hartman * @class_sem - semaphore to protect the children, devices, and interfaces lists. 497c71448bSGreg Kroah-Hartman * @class - pointer back to the struct class that this structure is associated 507c71448bSGreg Kroah-Hartman * with. 517c71448bSGreg Kroah-Hartman * 527c71448bSGreg Kroah-Hartman * This structure is the one that is the actual kobject allowing struct 537c71448bSGreg Kroah-Hartman * class to be statically allocated safely. Nothing outside of the driver 547c71448bSGreg Kroah-Hartman * core should ever touch these fields. 557c71448bSGreg Kroah-Hartman */ 567c71448bSGreg Kroah-Hartman struct class_private { 571fbfee6cSGreg Kroah-Hartman struct kset class_subsys; 5897ae69fdSGreg Kroah-Hartman struct list_head class_devices; 59184f1f77SGreg Kroah-Hartman struct list_head class_interfaces; 607c71448bSGreg Kroah-Hartman struct kset class_dirs; 61d9a01573SGreg Kroah-Hartman struct semaphore class_sem; 627c71448bSGreg Kroah-Hartman struct class *class; 637c71448bSGreg Kroah-Hartman }; 641fbfee6cSGreg Kroah-Hartman #define to_class(obj) \ 651fbfee6cSGreg Kroah-Hartman container_of(obj, struct class_private, class_subsys.kobj) 667c71448bSGreg Kroah-Hartman 67c6f7e72aSGreg Kroah-Hartman /* initialisation functions */ 68a1bdc7aaSBen Dooks extern int devices_init(void); 69a1bdc7aaSBen Dooks extern int buses_init(void); 70a1bdc7aaSBen Dooks extern int classes_init(void); 71a1bdc7aaSBen Dooks extern int firmware_init(void); 724039483fSMichael Holzheu #ifdef CONFIG_SYS_HYPERVISOR 734039483fSMichael Holzheu extern int hypervisor_init(void); 744039483fSMichael Holzheu #else 754039483fSMichael Holzheu static inline int hypervisor_init(void) { return 0; } 764039483fSMichael Holzheu #endif 77a1bdc7aaSBen Dooks extern int platform_bus_init(void); 78a1bdc7aaSBen Dooks extern int system_bus_init(void); 79a1bdc7aaSBen Dooks extern int cpu_dev_init(void); 80a1bdc7aaSBen Dooks 811da177e4SLinus Torvalds extern int bus_add_device(struct device *dev); 82c6a46696SCornelia Huck extern void bus_attach_device(struct device *dev); 831da177e4SLinus Torvalds extern void bus_remove_device(struct device *dev); 841da177e4SLinus Torvalds 854a3ad20cSGreg Kroah-Hartman extern int bus_add_driver(struct device_driver *drv); 864a3ad20cSGreg Kroah-Hartman extern void bus_remove_driver(struct device_driver *drv); 871da177e4SLinus Torvalds 8807e4a3e2Smochel@digitalimplant.org extern void driver_detach(struct device_driver *drv); 894a3ad20cSGreg Kroah-Hartman extern int driver_probe_device(struct device_driver *drv, struct device *dev); 9007e4a3e2Smochel@digitalimplant.org 91f67d115fSAdrian Bunk extern void sysdev_shutdown(void); 92f67d115fSAdrian Bunk extern int sysdev_suspend(pm_message_t state); 93f67d115fSAdrian Bunk extern int sysdev_resume(void); 94f67d115fSAdrian Bunk 95aa49b913SGreg Kroah-Hartman extern char *make_class_name(const char *name, struct kobject *kobj); 961da177e4SLinus Torvalds 972a013455SAdrian Bunk extern int devres_release_all(struct device *dev); 98823bccfcSGreg Kroah-Hartman 99881c6cfdSGreg Kroah-Hartman extern struct kset *devices_kset; 100c63469a3SGreg Kroah-Hartman 10192b42141SRandy Dunlap #if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS) 102c63469a3SGreg Kroah-Hartman extern void module_add_driver(struct module *mod, struct device_driver *drv); 103c63469a3SGreg Kroah-Hartman extern void module_remove_driver(struct device_driver *drv); 104c63469a3SGreg Kroah-Hartman #else 105c63469a3SGreg Kroah-Hartman static inline void module_add_driver(struct module *mod, 106c63469a3SGreg Kroah-Hartman struct device_driver *drv) { } 107c63469a3SGreg Kroah-Hartman static inline void module_remove_driver(struct device_driver *drv) { } 108c63469a3SGreg Kroah-Hartman #endif 109