cregit-Linux how code gets into the kernel

Release 4.12 include/linux/mei_cl_bus.h

Directory: include/linux
#ifndef _LINUX_MEI_CL_BUS_H

#define _LINUX_MEI_CL_BUS_H

#include <linux/device.h>
#include <linux/uuid.h>
#include <linux/mod_devicetable.h>

struct mei_cl_device;
struct mei_device;


typedef void (*mei_cldev_cb_t)(struct mei_cl_device *cldev);

/**
 * struct mei_cl_device - MEI device handle
 * An mei_cl_device pointer is returned from mei_add_device()
 * and links MEI bus clients to their actual ME host client pointer.
 * Drivers for MEI devices will get an mei_cl_device pointer
 * when being probed and shall use it for doing ME bus I/O.
 *
 * @bus_list: device on the bus list
 * @bus: parent mei device
 * @dev: linux driver model device pointer
 * @me_cl: me client
 * @cl: mei client
 * @name: device name
 * @rx_work: async work to execute Rx event callback
 * @rx_cb: Drivers register this callback to get asynchronous ME
 *      Rx buffer pending notifications.
 * @notif_work: async work to execute FW notif event callback
 * @notif_cb: Drivers register this callback to get asynchronous ME
 *      FW notification pending notifications.
 *
 * @do_match: wheather device can be matched with a driver
 * @is_added: device is already scanned
 * @priv_data: client private data
 */

struct mei_cl_device {
	
struct list_head bus_list;
	
struct mei_device *bus;
	
struct device dev;

	
struct mei_me_client *me_cl;
	
struct mei_cl *cl;
	
char name[MEI_CL_NAME_SIZE];

	
struct work_struct rx_work;
	
mei_cldev_cb_t rx_cb;
	
struct work_struct notif_work;
	
mei_cldev_cb_t notif_cb;

	
unsigned int do_match:1;
	
unsigned int is_added:1;

	
void *priv_data;
};


struct mei_cl_driver {
	
struct device_driver driver;
	
const char *name;

	
const struct mei_cl_device_id *id_table;

	
int (*probe)(struct mei_cl_device *cldev,
		     const struct mei_cl_device_id *id);
	
int (*remove)(struct mei_cl_device *cldev);
};

int __mei_cldev_driver_register(struct mei_cl_driver *cldrv,
				struct module *owner);

#define mei_cldev_driver_register(cldrv)             \
	__mei_cldev_driver_register(cldrv, THIS_MODULE)

void mei_cldev_driver_unregister(struct mei_cl_driver *cldrv);

/**
 * module_mei_cl_driver - Helper macro for registering mei cl driver
 *
 * @__mei_cldrv: mei_cl_driver structure
 *
 *  Helper macro for mei cl drivers which do not do anything special in module
 *  init/exit, for eliminating a boilerplate code.
 */

#define module_mei_cl_driver(__mei_cldrv) \
	module_driver(__mei_cldrv, \
                      mei_cldev_driver_register,\
                      mei_cldev_driver_unregister)

ssize_t mei_cldev_send(struct mei_cl_device *cldev, u8 *buf, size_t length);
ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length);
ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf,
				size_t length);

int mei_cldev_register_rx_cb(struct mei_cl_device *cldev, mei_cldev_cb_t rx_cb);
int mei_cldev_register_notif_cb(struct mei_cl_device *cldev,
				mei_cldev_cb_t notif_cb);

const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev);
u8 mei_cldev_ver(const struct mei_cl_device *cldev);

void *mei_cldev_get_drvdata(const struct mei_cl_device *cldev);
void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data);

int mei_cldev_enable(struct mei_cl_device *cldev);
int mei_cldev_disable(struct mei_cl_device *cldev);
bool mei_cldev_enabled(struct mei_cl_device *cldev);

#endif /* _LINUX_MEI_CL_BUS_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Samuel Ortiz15846.88%526.32%
Tomas Winkler13640.36%1157.89%
Alexander Usyskin4312.76%315.79%
Total337100.00%19100.00%
Directory: include/linux
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