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devlink: Add support for region get command

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Add support for DEVLINK_CMD_REGION_GET command which is used for
querying for the supported DEV/REGION values of devlink devices.
The support is both for doit and dumpit.

Reply includes:
  BUS_NAME, DEVICE_NAME, REGION_NAME, REGION_SIZE

Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Vesker
2018-07-12 15:13:11 +03:00
committed by David S. Miller
parent d7e5272282
commit d8db7ea55f
2 changed files with 120 additions and 0 deletions
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6
include/uapi/linux/devlink.h
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@@ -83,6 +83,9 @@ enum devlink_command {
DEVLINK_CMD_PARAM_NEW,
DEVLINK_CMD_PARAM_DEL,
DEVLINK_CMD_REGION_GET,
DEVLINK_CMD_REGION_SET,
/* add new commands above here */
__DEVLINK_CMD_MAX,
DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
@@ -262,6 +265,9 @@ enum devlink_attr {
DEVLINK_ATTR_PARAM_VALUE_DATA, /* dynamic */
DEVLINK_ATTR_PARAM_VALUE_CMODE, /* u8 */
DEVLINK_ATTR_REGION_NAME, /* string */
DEVLINK_ATTR_REGION_SIZE, /* u64 */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,