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devlink: Add devlink notifications support for params

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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>
This commit is contained in:
Moshe Shemesh
2018-07-04 14:30:32 +03:00
committed by David S. Miller
parent ec01aeb180
commit ea601e1709
3 changed files with 59 additions and 0 deletions
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7
include/net/devlink.h
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@@ -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_ */