include/linux/greybus.h

Source file repositories/reference/linux-study-clean/include/linux/greybus.h

File Facts

System
Linux kernel
Corpus path
include/linux/greybus.h
Extension
.h
Size
3655 bytes
Lines
123
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct device_driver driver;
};
#define to_greybus_driver(d) container_of_const(d, struct greybus_driver, driver)

static inline void greybus_set_drvdata(struct gb_bundle *bundle, void *data)
{
	dev_set_drvdata(&bundle->dev, data);
}

static inline void *greybus_get_drvdata(struct gb_bundle *bundle)
{
	return dev_get_drvdata(&bundle->dev);
}

/* Don't call these directly, use the module_greybus_driver() macro instead */
int greybus_register_driver(struct greybus_driver *driver,
			    struct module *module, const char *mod_name);
void greybus_deregister_driver(struct greybus_driver *driver);

/* define to get proper THIS_MODULE and KBUILD_MODNAME values */
#define greybus_register(driver) \
	greybus_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
#define greybus_deregister(driver) \
	greybus_deregister_driver(driver)

/**
 * module_greybus_driver() - Helper macro for registering a Greybus driver
 * @__greybus_driver: greybus_driver structure
 *
 * Helper macro for Greybus drivers to set up proper module init / exit
 * functions.  Replaces module_init() and module_exit() and keeps people from
 * printing pointless things to the kernel log when their driver is loaded.
 */
#define module_greybus_driver(__greybus_driver)	\
	module_driver(__greybus_driver, greybus_register, greybus_deregister)

int greybus_disabled(void);

void gb_debugfs_init(void);
void gb_debugfs_cleanup(void);
struct dentry *gb_debugfs_get(void);

extern const struct bus_type greybus_bus_type;

extern const struct device_type greybus_hd_type;
extern const struct device_type greybus_module_type;
extern const struct device_type greybus_interface_type;
extern const struct device_type greybus_control_type;
extern const struct device_type greybus_bundle_type;
extern const struct device_type greybus_svc_type;

static inline bool cport_id_valid(struct gb_host_device *hd, u16 cport_id)
{
	return cport_id != CPORT_ID_BAD && cport_id < hd->num_cports;
}

#endif /* __KERNEL__ */
#endif /* __LINUX_GREYBUS_H */

Annotation

Implementation Notes