include/linux/mei_cl_bus.h

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

File Facts

System
Linux kernel
Corpus path
include/linux/mei_cl_bus.h
Extension
.h
Size
4565 bytes
Lines
135
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;
	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);
	void (*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, const u8 *buf,
		       size_t length);
ssize_t mei_cldev_send_timeout(struct mei_cl_device *cldev, const u8 *buf,
			       size_t length, unsigned long timeout);
ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length);
ssize_t mei_cldev_recv_timeout(struct mei_cl_device *cldev, u8 *buf, size_t length,
			       unsigned long timeout);
ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, const u8 *buf,
			    size_t length, u8 vtag);
ssize_t mei_cldev_send_vtag_timeout(struct mei_cl_device *cldev, const u8 *buf,
				    size_t length, u8 vtag, unsigned long timeout);
ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,
			    u8 *vtag);
ssize_t mei_cldev_recv_vtag_timeout(struct mei_cl_device *cldev, u8 *buf, size_t length,
			    u8 *vtag, unsigned long timeout);

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);
size_t mei_cldev_mtu(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(const struct mei_cl_device *cldev);
ssize_t mei_cldev_send_gsc_command(struct mei_cl_device *cldev,
				   u8 client_id, u32 fence_id,
				   struct scatterlist *sg_in,
				   size_t total_in_len,
				   struct scatterlist *sg_out);

void *mei_cldev_dma_map(struct mei_cl_device *cldev, u8 buffer_id, size_t size);
int mei_cldev_dma_unmap(struct mei_cl_device *cldev);

#endif /* _LINUX_MEI_CL_BUS_H */

Annotation

Implementation Notes