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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /** * 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) /* 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_attach_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); extern void sysdev_shutdown(void); extern int sysdev_suspend(pm_message_t state); extern int sysdev_resume(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 |