krata: restructure packages for cleanliness

crates/runtime/src/console.rs

@@ -0,0 +1,18 @@
+use anyhow::Result;
+use tokio::fs::File;
+
+pub struct XenConsole {
+    pub read_handle: File,
+    pub write_handle: File,
+}
+
+impl XenConsole {
+    pub async fn new(tty: &str) -> Result<XenConsole> {
+        let read_handle = File::options().read(true).write(false).open(tty).await?;
+        let write_handle = File::options().read(false).write(true).open(tty).await?;
+        Ok(XenConsole {
+            read_handle,
+            write_handle,
+        })
+    }
+}