devlink: Add devlink notifications support for params
Add devlink_param_notify() function to support devlink param notifications.
Add notification call to devlink param set, register and unregister
functions.
Add devlink_param_value_changed() function to enable the driver notify
devlink on value change. Driver should use this function after value was
changed on any configuration mode part to driverinit.
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 3302e43..792edaa 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -507,6 +507,7 @@ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
union devlink_param_value *init_val);
int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
union devlink_param_value init_val);
+void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
#else
@@ -729,6 +730,12 @@ devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
return -EOPNOTSUPP;
}
+static inline void
+devlink_param_value_changed(struct devlink *devlink, u32 param_id)
+{
+ return -EOPNOTSUPP;
+}
+
#endif
#endif /* _NET_DEVLINK_H_ */