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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2015-07-26 08:54:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-04 02:30:00 +0200 |
| commit | bb2ef9c39db2e3c2562b4e439b2b00dc42e2c026 (patch) | |
| tree | 632acc72047a233febc00c0a9d38ac423b25ba77 /include | |
| parent | mei: implement fasync for event notification (diff) | |
| download | linux-bb2ef9c39db2e3c2562b4e439b2b00dc42e2c026.tar.xz linux-bb2ef9c39db2e3c2562b4e439b2b00dc42e2c026.zip | |
mei: bus: add and call callback on notify event
Enable drivers on mei client bus to subscribe
to asynchronous event notifications.
Introduce events_mask to the existing callback infrastructure
so it is possible to handle both RX and event notification.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mei_cl_bus.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h index 81ab56dd0ae0..0962b2ca628a 100644 --- a/include/linux/mei_cl_bus.h +++ b/include/linux/mei_cl_bus.h @@ -28,6 +28,7 @@ typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device, * @event_cb: Drivers register this callback to get asynchronous ME * events (e.g. Rx buffer pending) notifications. * @event_context: event callback run context + * @events_mask: Events bit mask requested by driver. * @events: Events bitmask sent to the driver. * * @do_match: wheather device can be matched with a driver @@ -46,6 +47,7 @@ struct mei_cl_device { struct work_struct event_work; mei_cl_event_cb_t event_cb; void *event_context; + unsigned long events_mask; unsigned long events; unsigned int do_match:1; @@ -76,10 +78,12 @@ 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); int mei_cl_register_event_cb(struct mei_cl_device *device, + unsigned long event_mask, mei_cl_event_cb_t read_cb, void *context); #define MEI_CL_EVENT_RX 0 #define MEI_CL_EVENT_TX 1 +#define MEI_CL_EVENT_NOTIF 2 void *mei_cl_get_drvdata(const struct mei_cl_device *device); void mei_cl_set_drvdata(struct mei_cl_device *device, void *data); |