| |
| /** |
| * struct bus_type_private - structure to hold the private to the driver core portions of the bus_type structure. |
| * |
| * @subsys - the struct kset that defines this bus. This is the main kobject |
| * @drivers_kset - the list of drivers associated with this bus |
| * @devices_kset - the list of devices associated with this bus |
| * @klist_devices - the klist to iterate over the @devices_kset |
| * @klist_drivers - the klist to iterate over the @drivers_kset |
| * @bus_notifier - the bus notifier list for anything that cares about things |
| * on this bus. |
| * @bus - pointer back to the struct bus_type that this structure is associated |
| * with. |
| * |
| * This structure is the one that is the actual kobject allowing struct |
| * bus_type to be statically allocated safely. Nothing outside of the driver |
| * core should ever touch these fields. |
| */ |
| struct bus_type_private { |
| struct kset subsys; |
| struct kset *drivers_kset; |
| struct kset *devices_kset; |
| struct klist klist_devices; |
| struct klist klist_drivers; |
| struct blocking_notifier_head bus_notifier; |
| unsigned int drivers_autoprobe:1; |
| struct bus_type *bus; |
| }; |
| |
| struct driver_private { |
| struct kobject kobj; |
| struct klist klist_devices; |
| struct klist_node knode_bus; |
| struct module_kobject *mkobj; |
| struct device_driver *driver; |
| }; |
| #define to_driver(obj) container_of(obj, struct driver_private, kobj) |
| |
| |
| /** |
| * struct class_private - structure to hold the private to the driver core portions of the class structure. |
| * |
| * @class_subsys - the struct kset that defines this class. This is the main kobject |
| * @class_devices - list of devices associated with this class |
| * @class_interfaces - list of class_interfaces associated with this class |
| * @class_dirs - "glue" directory for virtual devices associated with this class |
| * @class_mutex - mutex to protect the children, devices, and interfaces lists. |
| * @class - pointer back to the struct class that this structure is associated |
| * with. |
| * |
| * This structure is the one that is the actual kobject allowing struct |
| * class to be statically allocated safely. Nothing outside of the driver |
| * core should ever touch these fields. |
| */ |
| struct class_private { |
| struct kset class_subsys; |
| struct klist class_devices; |
| struct list_head class_interfaces; |
| struct kset class_dirs; |
| struct mutex class_mutex; |
| struct class *class; |
| }; |
| #define to_class(obj) \ |
| container_of(obj, struct class_private, class_subsys.kobj) |
| |
| /** |
| * struct device_private - structure to hold the private to the driver core portions of the device structure. |
| * |
| * @klist_children - klist containing all children of this device |
| * @knode_parent - node in sibling list |
| * @knode_driver - node in driver list |
| * @knode_bus - node in bus list |
| * @device - pointer back to the struct class that this structure is |
| * associated with. |
| * |
| * Nothing outside of the driver core should ever touch these fields. |
| */ |
| struct device_private { |
| struct klist klist_children; |
| struct klist_node knode_parent; |
| struct klist_node knode_driver; |
| struct klist_node knode_bus; |
| struct device *device; |
| }; |
| #define to_device_private_parent(obj) \ |
| container_of(obj, struct device_private, knode_parent) |
| #define to_device_private_driver(obj) \ |
| container_of(obj, struct device_private, knode_driver) |
| #define to_device_private_bus(obj) \ |
| container_of(obj, struct device_private, knode_bus) |
| |
| /* initialisation functions */ |
| extern int devices_init(void); |
| extern int buses_init(void); |
| extern int classes_init(void); |
| extern int firmware_init(void); |
| #ifdef CONFIG_SYS_HYPERVISOR |
| extern int hypervisor_init(void); |
| #else |
| static inline int hypervisor_init(void) { return 0; } |
| #endif |
| extern int platform_bus_init(void); |
| extern int system_bus_init(void); |
| extern int cpu_dev_init(void); |
| |
| extern int bus_add_device(struct device *dev); |
| extern void bus_probe_device(struct device *dev); |
| extern void bus_remove_device(struct device *dev); |
| |
| extern int bus_add_driver(struct device_driver *drv); |
| extern void bus_remove_driver(struct device_driver *drv); |
| |
| extern void driver_detach(struct device_driver *drv); |
| extern int driver_probe_device(struct device_driver *drv, struct device *dev); |
| static inline int driver_match_device(struct device_driver *drv, |
| struct device *dev) |
| { |
| return drv->bus->match ? drv->bus->match(dev, drv) : 1; |
| } |
| |
| extern void sysdev_shutdown(void); |
| |
| extern char *make_class_name(const char *name, struct kobject *kobj); |
| |
| extern int devres_release_all(struct device *dev); |
| |
| extern struct kset *devices_kset; |
| |
| #if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS) |
| extern void module_add_driver(struct module *mod, struct device_driver *drv); |
| extern void module_remove_driver(struct device_driver *drv); |
| #else |
| static inline void module_add_driver(struct module *mod, |
| struct device_driver *drv) { } |
| static inline void module_remove_driver(struct device_driver *drv) { } |
| #endif |