forked from luck/tmp_suning_uos_patched
devlink: Add support for driverinit get value for devlink_port
Add support for "driverinit" configuration mode value for devlink_port configuration parameters. Add devlink_port_param_driverinit_value_get() function to help the driver get the value from devlink_port. Also, move the common code to __devlink_param_driverinit_value_get() to be used by both device and port params. v7->v8: -Add the missing devlink_port_param_driverinit_value_get() declaration. -Also, order devlink_port_param_driverinit_value_get() after devlink_param_driverinit_value_get/set() calls Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -578,6 +578,10 @@ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
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union devlink_param_value *init_val);
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int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
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union devlink_param_value init_val);
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int
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devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
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u32 param_id,
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union devlink_param_value *init_val);
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void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
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void devlink_param_value_str_fill(union devlink_param_value *dst_val,
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const char *src);
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@ -827,6 +831,14 @@ devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
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return -EOPNOTSUPP;
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}
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static inline int
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devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
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u32 param_id,
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union devlink_param_value *init_val)
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{
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return -EOPNOTSUPP;
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}
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static inline void
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devlink_param_value_changed(struct devlink *devlink, u32 param_id)
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{
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@ -4714,26 +4714,13 @@ void devlink_port_params_unregister(struct devlink_port *devlink_port,
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}
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EXPORT_SYMBOL_GPL(devlink_port_params_unregister);
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/**
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* devlink_param_driverinit_value_get - get configuration parameter
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* value for driver initializing
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*
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* @devlink: devlink
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* @param_id: parameter ID
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* @init_val: value of parameter in driverinit configuration mode
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*
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* This function should be used by the driver to get driverinit
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* configuration for initialization after reload command.
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*/
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int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
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union devlink_param_value *init_val)
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static int
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__devlink_param_driverinit_value_get(struct list_head *param_list, u32 param_id,
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union devlink_param_value *init_val)
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{
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struct devlink_param_item *param_item;
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if (!devlink->ops || !devlink->ops->reload)
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return -EOPNOTSUPP;
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param_item = devlink_param_find_by_id(&devlink->param_list, param_id);
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param_item = devlink_param_find_by_id(param_list, param_id);
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if (!param_item)
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return -EINVAL;
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@ -4749,6 +4736,27 @@ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
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return 0;
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}
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/**
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* devlink_param_driverinit_value_get - get configuration parameter
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* value for driver initializing
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*
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* @devlink: devlink
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* @param_id: parameter ID
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* @init_val: value of parameter in driverinit configuration mode
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*
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* This function should be used by the driver to get driverinit
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* configuration for initialization after reload command.
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*/
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int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
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union devlink_param_value *init_val)
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{
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if (!devlink->ops || !devlink->ops->reload)
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return -EOPNOTSUPP;
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return __devlink_param_driverinit_value_get(&devlink->param_list,
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param_id, init_val);
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}
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EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_get);
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/**
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@ -4787,6 +4795,31 @@ int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
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}
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EXPORT_SYMBOL_GPL(devlink_param_driverinit_value_set);
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/**
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* devlink_port_param_driverinit_value_get - get configuration parameter
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* value for driver initializing
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*
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* @devlink_port: devlink_port
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* @param_id: parameter ID
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* @init_val: value of parameter in driverinit configuration mode
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*
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* This function should be used by the driver to get driverinit
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* configuration for initialization after reload command.
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*/
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int devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
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u32 param_id,
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union devlink_param_value *init_val)
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{
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struct devlink *devlink = devlink_port->devlink;
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if (!devlink->ops || !devlink->ops->reload)
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return -EOPNOTSUPP;
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return __devlink_param_driverinit_value_get(&devlink_port->param_list,
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param_id, init_val);
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}
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EXPORT_SYMBOL_GPL(devlink_port_param_driverinit_value_get);
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/**
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* devlink_param_value_changed - notify devlink on a parameter's value
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* change. Should be called by the driver
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