devlink: Add health get command

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>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index 076692209a9b..d8f20d6ce139 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -96,6 +96,8 @@ enum devlink_command {
 
         DEVLINK_CMD_INFO_GET,           /* can dump */
 
+        DEVLINK_CMD_HEALTH_REPORTER_GET,
+
         /* add new commands above here */
         __DEVLINK_CMD_MAX,
         DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
@@ -310,6 +312,15 @@ enum devlink_attr {
         DEVLINK_ATTR_FMSG_OBJ_NAME,             /* string */
         DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE,       /* u8 */
         DEVLINK_ATTR_FMSG_OBJ_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_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,