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devlink: Add health get command

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Add devlink health get command to provide reporter/s data for user space.
Add the ability to get data per reporter or dump data from all available
reporters.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eran Ben Elisha
2019-01-17 23:59:13 +02:00
committed by David S. Miller
parent c7af343b4e
commit ff253fedab
2 changed files with 164 additions and 0 deletions
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12
include/uapi/linux/devlink.h
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@@ -89,6 +89,8 @@ enum devlink_command {
DEVLINK_CMD_REGION_DEL,
DEVLINK_CMD_REGION_READ,
DEVLINK_CMD_HEALTH_REPORTER_GET,
/* add new commands above here */
__DEVLINK_CMD_MAX,
DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
@@ -293,6 +295,16 @@ enum devlink_attr {
DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_VALUE_TYPE, /* u8 */
DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_VALUE_DATA, /* dynamic */
DEVLINK_ATTR_HEALTH_REPORTER, /* nested */
DEVLINK_ATTR_HEALTH_REPORTER_NAME, /* string */
DEVLINK_ATTR_HEALTH_REPORTER_STATE, /* u8 */
DEVLINK_ATTR_HEALTH_REPORTER_ERR, /* u64 */
DEVLINK_ATTR_HEALTH_REPORTER_RECOVER, /* u64 */
DEVLINK_ATTR_HEALTH_REPORTER_DUMP_AVAIL, /* u8 */
DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS, /* u64 */
DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, /* u64 */
DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, /* u8 */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,