#include <linux/notifier.h>/** * struct subsys_private - structure to hold the private to the driver core portions of the bus_type/class structure. * * @subsys - the struct kset that defines this subsystem * @devices_kset - the list of devices associated * * @drivers_kset - the list of drivers associated * @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. * * @class_interfaces - list of class_interfaces associated * @glue_dirs - "glue" directory to put in-between the parent device to * avoid namespace conflicts * @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 * bus_type/class to be statically allocated safely. Nothing outside of the * driver core should ever touch these fields. */struct subsys_private { struct kset subsys; struct kset *devices_kset; struct kset *drivers_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 list_head class_interfaces; struct kset glue_dirs; struct mutex class_mutex; struct class *class;};#define to_subsys_private(obj) container_of(obj, struct subsys_private, subsys.kobj)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 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 * @driver_data - private pointer for driver specific info. Will turn into a * list soon. * @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; void *driver_data; 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)extern int device_private_init(struct device *dev);/* 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_HYPERVISORextern int hypervisor_init(void);#elsestatic inline int hypervisor_init(void) { return 0; }#endifextern 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 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);#elsestatic inline void module_add_driver(struct module *mod, struct device_driver *drv) { }static inline void module_remove_driver(struct device_driver *drv) { }#endif#ifdef CONFIG_DEVTMPFSextern int devtmpfs_init(void);#elsestatic inline int devtmpfs_init(void) { return 0; }#endif
#include <linux/notifier.h>
/**
* struct subsys_private - structure to hold the private to the driver core portions of the bus_type/class structure.
*
* @subsys - the struct kset that defines this subsystem
* @devices_kset - the list of devices associated
*
* @drivers_kset - the list of drivers associated
* @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.
*
* @class_interfaces - list of class_interfaces associated
* @glue_dirs - "glue" directory to put in-between the parent device to
* avoid namespace conflicts
* @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
* bus_type/class to be statically allocated safely. Nothing outside of the
* driver core should ever touch these fields.
*/
struct subsys_private {
struct kset subsys;
struct kset *devices_kset;
struct kset *drivers_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 list_head class_interfaces;
struct kset glue_dirs;
struct mutex class_mutex;
struct class *class;
};
#define to_subsys_private(obj) container_of(obj, struct subsys_private, subsys.kobj)
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 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
* @driver_data - private pointer for driver specific info. Will turn into a
* list soon.
* @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;
void *driver_data;
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)
extern int device_private_init(struct device *dev);
/* 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 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
#ifdef CONFIG_DEVTMPFS
extern int devtmpfs_init(void);
#else
static inline int devtmpfs_init(void) { return 0; }
#endif