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devlink: Add param get command

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Add param get command which gets data per parameter.
Option to dump the parameters data per device.

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 14:30:29 +03:00
committed by David S. Miller
parent eabaef1896
commit 45f05def5c
2 changed files with 261 additions and 0 deletions
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11
include/uapi/linux/devlink.h
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@@ -78,6 +78,8 @@ enum devlink_command {
*/
DEVLINK_CMD_RELOAD,
DEVLINK_CMD_PARAM_GET, /* can dump */
/* add new commands above here */
__DEVLINK_CMD_MAX,
DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
@@ -248,6 +250,15 @@ enum devlink_attr {
DEVLINK_ATTR_PORT_NUMBER, /* u32 */
DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER, /* u32 */
DEVLINK_ATTR_PARAM, /* nested */
DEVLINK_ATTR_PARAM_NAME, /* string */
DEVLINK_ATTR_PARAM_GENERIC, /* flag */
DEVLINK_ATTR_PARAM_TYPE, /* u8 */
DEVLINK_ATTR_PARAM_VALUES_LIST, /* nested */
DEVLINK_ATTR_PARAM_VALUE, /* nested */
DEVLINK_ATTR_PARAM_VALUE_DATA, /* dynamic */
DEVLINK_ATTR_PARAM_VALUE_CMODE, /* u8 */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,