diff --git a/include/net/devlink.h b/include/net/devlink.h index c6d88759b7d5..18d7a051f412 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -521,6 +521,9 @@ struct devlink_ops { struct netlink_ext_ack *extack); int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, struct netlink_ext_ack *extack); + int (*flash_update)(struct devlink *devlink, const char *file_name, + const char *component, + struct netlink_ext_ack *extack); }; static inline void *devlink_priv(struct devlink *devlink) diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index 72d9f7c89190..53de8802a000 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -103,6 +103,8 @@ enum devlink_command { DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR, + DEVLINK_CMD_FLASH_UPDATE, + /* add new commands above here */ __DEVLINK_CMD_MAX, DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 @@ -326,6 +328,10 @@ enum devlink_attr { DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS, /* u64 */ DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, /* u64 */ DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, /* u8 */ + + DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME, /* string */ + DEVLINK_ATTR_FLASH_UPDATE_COMPONENT, /* string */ + /* add new attributes above here, update the policy in devlink.c */ __DEVLINK_ATTR_MAX, diff --git a/net/core/devlink.c b/net/core/devlink.c index 1d7502a5a651..4a1ad0b13e52 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -2662,6 +2662,27 @@ static int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info) return devlink->ops->reload(devlink, info->extack); } +static int devlink_nl_cmd_flash_update(struct sk_buff *skb, + struct genl_info *info) +{ + struct devlink *devlink = info->user_ptr[0]; + const char *file_name, *component; + struct nlattr *nla_component; + + if (!devlink->ops->flash_update) + return -EOPNOTSUPP; + + if (!info->attrs[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME]) + return -EINVAL; + file_name = nla_data(info->attrs[DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME]); + + nla_component = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]; + component = nla_component ? nla_data(nla_component) : NULL; + + return devlink->ops->flash_update(devlink, file_name, component, + info->extack); +} + static const struct devlink_param devlink_param_generic[] = { { .id = DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, @@ -4883,6 +4904,8 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = { [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = { .type = NLA_U64 }, [DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER] = { .type = NLA_U8 }, + [DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME] = { .type = NLA_NUL_STRING }, + [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = { .type = NLA_NUL_STRING }, }; static const struct genl_ops devlink_nl_ops[] = { @@ -5171,6 +5194,13 @@ static const struct genl_ops devlink_nl_ops[] = { .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK | DEVLINK_NL_FLAG_NO_LOCK, }, + { + .cmd = DEVLINK_CMD_FLASH_UPDATE, + .doit = devlink_nl_cmd_flash_update, + .policy = devlink_nl_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK, + }, }; static struct genl_family devlink_nl_family __ro_after_init = {