mei: export mei client device struct to external use

[firefly-linux-kernel-4.4.55.git] / include / linux / mei_cl_bus.h

diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h
index 0819d36a3a742f63670f4ae953c5a3a66a3fa9d0..a16b1f9c1aca50ec2e48d917369e23f19921cf6a 100644 (file)
--- a/include/linux/mei_cl_bus.h
+++ b/include/linux/mei_cl_bus.h
@@ -7,6 +7,42 @@
 
 struct mei_cl_device;
 
+typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device,
+                              u32 events, void *context);
+
+/**
+ * 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.
+ *
+ * @dev: linux driver model device pointer
+ * @me_cl: me client
+ * @cl: mei client
+ * @name: device name
+ * @event_work: async work to execute event callback
+ * @event_cb: Drivers register this callback to get asynchronous ME
+ *     events (e.g. Rx buffer pending) notifications.
+ * @event_context: event callback run context
+ * @events: Events bitmask sent to the driver.
+ * @priv_data: client private data
+ */
+struct mei_cl_device {
+       struct device dev;
+
+       struct mei_me_client *me_cl;
+       struct mei_cl *cl;
+       char name[MEI_CL_NAME_SIZE];
+
+       struct work_struct event_work;
+       mei_cl_event_cb_t event_cb;
+       void *event_context;
+       unsigned long events;
+
+       void *priv_data;
+};
+
 struct mei_cl_driver {
        struct device_driver driver;
        const char *name;
@@ -28,8 +64,6 @@ void mei_cl_driver_unregister(struct mei_cl_driver *driver);
 ssize_t mei_cl_send(struct mei_cl_device *device, u8 *buf, size_t length);
 ssize_t  mei_cl_recv(struct mei_cl_device *device, u8 *buf, size_t length);
 
-typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device,
-                              u32 events, void *context);
 int mei_cl_register_event_cb(struct mei_cl_device *device,
                          mei_cl_event_cb_t read_cb, void *context);