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devlink: Add devlink_param register and unregister

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Define configuration parameters data structure.
Add functions to register and unregister the driver supported
configuration parameters table.
For each parameter registered, the driver should fill all the parameter's
fields. In case the only supported configuration mode is "driverinit"
the parameter's get()/set() functions are not required and should be set
to NULL, for any other configuration mode, these functions are required
and should be set by the driver.

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 14:30:28 +03:00
committed by David S. Miller
parent 827ad90cfa
commit eabaef1896
3 changed files with 243 additions and 0 deletions
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10
include/uapi/linux/devlink.h
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@@ -142,6 +142,16 @@ enum devlink_port_flavour {
*/
};
enum devlink_param_cmode {
DEVLINK_PARAM_CMODE_RUNTIME,
DEVLINK_PARAM_CMODE_DRIVERINIT,
DEVLINK_PARAM_CMODE_PERMANENT,
/* Add new configuration modes above */
__DEVLINK_PARAM_CMODE_MAX,
DEVLINK_PARAM_CMODE_MAX = __DEVLINK_PARAM_CMODE_MAX - 1
};
enum devlink_attr {
/* don't change the order or add anything between, this is ABI! */
DEVLINK_ATTR_UNSPEC,