From 3fe9b87736aaf45972c718c51d915fafa815a812 Mon Sep 17 00:00:00 2001
From: Muminul Islam <muislam@microsoft.com>
Date: Wed, 1 May 2024 14:36:09 -0700
Subject: [PATCH] hypervisor: Add pause/resume definitions to VM trait

Add Pause/Resume functions for VM trait. For KVM it
will be empty implementations. For MSHV it needs to freeze
and unfreeze the partition.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
---
 hypervisor/src/vm.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hypervisor/src/vm.rs b/hypervisor/src/vm.rs
index cafced0a1..bf57f2342 100644
--- a/hypervisor/src/vm.rs
+++ b/hypervisor/src/vm.rs
@@ -390,6 +390,16 @@ pub trait Vm: Send + Sync + Any {
     ) -> Result<()> {
         unimplemented!()
     }
+
+    /// Pause the VM
+    fn pause(&self) -> Result<()> {
+        Ok(())
+    }
+
+    /// Resume the VM
+    fn resume(&self) -> Result<()> {
+        Ok(())
+    }
 }
 
 pub trait VmOps: Send + Sync {