diff options
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 7abb705ddf3f..cde5687039f3 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -268,6 +268,25 @@ struct mei_cl_device *mei_cl_add_device(struct mei_device *dev, uuid_le uuid, char *name); void mei_cl_remove_device(struct mei_cl_device *device); +int __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length); +int __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length); + +/** + * struct mei_cl_transport_ops - MEI CL device transport ops + * This structure allows ME host clients to implement technology + * specific transport layers. + * + * @send: Tx hook for the device. This allows ME host clients to trap + * the device driver buffers before actually physically + * pushing it to the ME. + * @recv: Rx hook for the device. This allows ME host clients to trap the + * ME buffers before forwarding them to the device driver. + */ +struct mei_cl_transport_ops { + int (*send)(struct mei_cl_device *device, u8 *buf, size_t length); + int (*recv)(struct mei_cl_device *device, u8 *buf, size_t length); +}; + /** * struct mei_cl_device - MEI device handle * An mei_cl_device pointer is returned from mei_add_device() @@ -278,6 +297,10 @@ void mei_cl_remove_device(struct mei_cl_device *device); * @dev: linux driver model device pointer * @uuid: me client uuid * @cl: mei client + * @ops: ME transport ops + * @event_cb: Drivers register this callback to get asynchronous ME + * events (e.g. Rx buffer pending) notifications. + * @events: Events bitmask sent to the driver. * @priv_data: client private data */ struct mei_cl_device { @@ -285,6 +308,13 @@ struct mei_cl_device { struct mei_cl *cl; + const struct mei_cl_transport_ops *ops; + + struct work_struct event_work; + mei_cl_event_cb_t event_cb; + void *event_context; + unsigned long events; + void *priv_data; }; |