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devlink: Add health set command
Add devlink health set command, in order to set configuration parameters for a specific reporter. Supported parameters are: - graceful_period: Time interval between auto recoveries (in msec) - auto_recover: Determines if the devlink shall execute recover upon receiving error for the reporter 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>
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2 changed files with 37 additions and 0 deletions
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@ -97,6 +97,7 @@ enum devlink_command {
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DEVLINK_CMD_INFO_GET, /* can dump */
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DEVLINK_CMD_HEALTH_REPORTER_GET,
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DEVLINK_CMD_HEALTH_REPORTER_SET,
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/* add new commands above here */
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__DEVLINK_CMD_MAX,
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@ -4712,6 +4712,33 @@ devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg,
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return msg->len;
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}
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static int
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devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
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struct genl_info *info)
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{
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struct devlink *devlink = info->user_ptr[0];
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struct devlink_health_reporter *reporter;
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reporter = devlink_health_reporter_get_from_info(devlink, info);
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if (!reporter)
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return -EINVAL;
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if (!reporter->ops->recover &&
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(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] ||
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info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]))
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return -EOPNOTSUPP;
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if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
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reporter->graceful_period =
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nla_get_u64(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]);
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if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
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reporter->auto_recover =
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nla_get_u8(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]);
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return 0;
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}
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static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
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[DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING },
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[DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING },
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@ -4738,6 +4765,8 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
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[DEVLINK_ATTR_REGION_NAME] = { .type = NLA_NUL_STRING },
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[DEVLINK_ATTR_REGION_SNAPSHOT_ID] = { .type = NLA_U32 },
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[DEVLINK_ATTR_HEALTH_REPORTER_NAME] = { .type = NLA_NUL_STRING },
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[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = { .type = NLA_U64 },
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[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER] = { .type = NLA_U8 },
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};
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static const struct genl_ops devlink_nl_ops[] = {
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@ -4989,6 +5018,13 @@ static const struct genl_ops devlink_nl_ops[] = {
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.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
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/* can be retrieved by unprivileged users */
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},
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{
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.cmd = DEVLINK_CMD_HEALTH_REPORTER_SET,
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.doit = devlink_nl_cmd_health_reporter_set_doit,
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.policy = devlink_nl_policy,
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.flags = GENL_ADMIN_PERM,
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.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
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},
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};
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static struct genl_family devlink_nl_family __ro_after_init = {
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