implement squashfs generation

hypha/src/ctl/mod.rs

@@ -0,0 +1,39 @@
+use crate::error::Result;
+use xenclient::{DomainConfig, XenClient};
+
+pub struct Controller {
+    client: XenClient,
+    kernel_path: String,
+    initrd_path: String,
+    vcpus: u32,
+    mem: u64,
+}
+
+impl Controller {
+    pub fn new(
+        kernel_path: String,
+        initrd_path: String,
+        vcpus: u32,
+        mem: u64,
+    ) -> Result<Controller> {
+        let client = XenClient::open()?;
+        Ok(Controller {
+            client,
+            kernel_path,
+            initrd_path,
+            vcpus,
+            mem,
+        })
+    }
+
+    pub fn launch(&mut self) -> Result<u32> {
+        let config = DomainConfig {
+            max_vcpus: self.vcpus,
+            mem_mb: self.mem,
+            kernel_path: self.kernel_path.as_str(),
+            initrd_path: self.initrd_path.as_str(),
+            cmdline: "debug elevator=noop",
+        };
+        Ok(self.client.create(&config)?)
+    }
+}