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 39c6f7e72aSGreg Kroah-Hartman /* initialisation functions */ 40a1bdc7aaSBen Dooks extern int devices_init(void); 41a1bdc7aaSBen Dooks extern int buses_init(void); 42a1bdc7aaSBen Dooks extern int classes_init(void); 43a1bdc7aaSBen Dooks extern int firmware_init(void); 444039483fSMichael Holzheu #ifdef CONFIG_SYS_HYPERVISOR 454039483fSMichael Holzheu extern int hypervisor_init(void); 464039483fSMichael Holzheu #else 474039483fSMichael Holzheu static inline int hypervisor_init(void) { return 0; } 484039483fSMichael Holzheu #endif 49a1bdc7aaSBen Dooks extern int platform_bus_init(void); 50a1bdc7aaSBen Dooks extern int system_bus_init(void); 51a1bdc7aaSBen Dooks extern int cpu_dev_init(void); 52a1bdc7aaSBen Dooks extern int attribute_container_init(void); 53a1bdc7aaSBen Dooks 541da177e4SLinus Torvalds extern int bus_add_device(struct device * dev); 55c6a46696SCornelia Huck extern void bus_attach_device(struct device * dev); 561da177e4SLinus Torvalds extern void bus_remove_device(struct device * dev); 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds extern int bus_add_driver(struct device_driver *); 591da177e4SLinus Torvalds extern void bus_remove_driver(struct device_driver *); 601da177e4SLinus Torvalds 6107e4a3e2Smochel@digitalimplant.org extern void driver_detach(struct device_driver * drv); 62afdce75fSGreg Kroah-Hartman extern int driver_probe_device(struct device_driver *, struct device *); 6307e4a3e2Smochel@digitalimplant.org 64f67d115fSAdrian Bunk extern void sysdev_shutdown(void); 65f67d115fSAdrian Bunk extern int sysdev_suspend(pm_message_t state); 66f67d115fSAdrian Bunk extern int sysdev_resume(void); 67f67d115fSAdrian Bunk 681da177e4SLinus Torvalds static inline struct class_device *to_class_dev(struct kobject *obj) 691da177e4SLinus Torvalds { 701da177e4SLinus Torvalds return container_of(obj, struct class_device, kobj); 711da177e4SLinus Torvalds } 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds static inline 741da177e4SLinus Torvalds struct class_device_attribute *to_class_dev_attr(struct attribute *_attr) 751da177e4SLinus Torvalds { 761da177e4SLinus Torvalds return container_of(_attr, struct class_device_attribute, attr); 771da177e4SLinus Torvalds } 781da177e4SLinus Torvalds 79aa49b913SGreg Kroah-Hartman extern char *make_class_name(const char *name, struct kobject *kobj); 801da177e4SLinus Torvalds 812a013455SAdrian Bunk extern int devres_release_all(struct device *dev); 82823bccfcSGreg Kroah-Hartman 83881c6cfdSGreg Kroah-Hartman extern struct kset *devices_kset; 84c63469a3SGreg Kroah-Hartman 85c63469a3SGreg Kroah-Hartman #ifdef CONFIG_MODULES 86c63469a3SGreg Kroah-Hartman extern void module_add_driver(struct module *mod, struct device_driver *drv); 87c63469a3SGreg Kroah-Hartman extern void module_remove_driver(struct device_driver *drv); 88c63469a3SGreg Kroah-Hartman #else 89c63469a3SGreg Kroah-Hartman static inline void module_add_driver(struct module *mod, 90c63469a3SGreg Kroah-Hartman struct device_driver *drv) { } 91c63469a3SGreg Kroah-Hartman static inline void module_remove_driver(struct device_driver *drv) { } 92c63469a3SGreg Kroah-Hartman #endif 93