From a83bd97e0dd3a61281e97fbf406e1abe70b3eae1 Mon Sep 17 00:00:00 2001
From: Wei Liu <liuwe@microsoft.com>
Date: Tue, 14 Jul 2020 11:34:42 +0000
Subject: [PATCH] hypervisor: introduce a new function

It returns an hypervisor object depending on which hypervisor is
configured.  Currently it only supports KVM.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
---
 hypervisor/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hypervisor/src/lib.rs b/hypervisor/src/lib.rs
index 66402f412..45c48f864 100644
--- a/hypervisor/src/lib.rs
+++ b/hypervisor/src/lib.rs
@@ -44,3 +44,11 @@ pub use crate::hypervisor::{Hypervisor, HypervisorError};
 pub use cpu::{HypervisorCpuError, Vcpu, VmExit};
 pub use kvm::*;
 pub use vm::{DataMatch, HypervisorVmError, Vm};
+
+use std::sync::Arc;
+pub fn new() -> std::result::Result<Arc<dyn Hypervisor>, HypervisorError> {
+    #[cfg(feature = "kvm")]
+    let hv = kvm::KvmHypervisor::new()?;
+
+    Ok(Arc::new(hv))
+}