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devlink: Add support for get/set driverinit value

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"driverinit" configuration mode value is held by devlink to enable
the driver query the value after reload. Two additional functions
added to help the driver get/set the value from/to devlink:
devlink_param_driverinit_value_set() and
devlink_param_driverinit_value_get().

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 14:30:31 +03:00
committed by David S. Miller
parent e3b7ca18ad
commit ec01aeb180
2 changed files with 95 additions and 0 deletions
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18
include/net/devlink.h
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@@ -503,6 +503,10 @@ int devlink_params_register(struct devlink *devlink,
void devlink_params_unregister(struct devlink *devlink,
const struct devlink_param *params,
size_t params_count);
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);
#else
@@ -711,6 +715,20 @@ devlink_params_unregister(struct devlink *devlink,
}
static inline int
devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
union devlink_param_value *init_val)
{
return -EOPNOTSUPP;
}
static inline int
devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
union devlink_param_value init_val)
{
return -EOPNOTSUPP;
}
#endif
#endif /* _NET_DEVLINK_H_ */