main, vmm: seccomp: Use SeccompAction instead of SeccompLevel

This patch replaces the usage of 'SeccompLevel' with 'SeccompAction',
which is the first step to support the 'log' action over system
calls that are not on the allowed list of seccomp filters.

Signed-off-by: Bo Chen <chen.bo@intel.com>

vmm/src/api/http.rs

@@ -8,7 +8,7 @@ use crate::api::{ApiError, ApiRequest, VmAction};
 use crate::seccomp_filters::{get_seccomp_filter, Thread};
 use crate::{Error, Result};
 use micro_http::{Body, HttpServer, MediaType, Method, Request, Response, StatusCode, Version};
-use seccomp::{SeccompFilter, SeccompLevel};
+use seccomp::{SeccompAction, SeccompFilter};
 use serde_json::Error as SerdeError;
 use std::collections::HashMap;
 use std::path::PathBuf;
@@ -241,14 +241,14 @@ pub fn start_http_thread(
     path: &str,
     api_notifier: EventFd,
     api_sender: Sender<ApiRequest>,
-    seccomp_level: &SeccompLevel,
+    seccomp_action: &SeccompAction,
 ) -> Result<thread::JoinHandle<Result<()>>> {
     std::fs::remove_file(path).unwrap_or_default();
     let socket_path = PathBuf::from(path);
 
     // Retrieve seccomp filter for API thread
     let api_seccomp_filter =
-        get_seccomp_filter(seccomp_level, Thread::Api).map_err(Error::CreateSeccompFilter)?;
+        get_seccomp_filter(seccomp_action, Thread::Api).map_err(Error::CreateSeccompFilter)?;
 
     thread::Builder::new()
         .name("http-server".to_string())