hypervisor: Introduce mshv module in the hypervisor

This is the initial folder structure of the mshv module inside
the hypervisor crate. The aim of this module is to support Microsoft
Hyper-V as a supported Hypervisor.

Signed-off-by: Muminul Islam <muislam@microsoft.com>

Cargo.toml

@@ -52,6 +52,7 @@ acpi = ["vmm/acpi"]
 cmos = ["vmm/cmos"]
 fwdebug = ["vmm/fwdebug"]
 kvm = ["vmm/kvm"]
+mshv = ["vmm/mshv"]
 io_uring = ["vmm/io_uring"]
 
 # Integration tests require a special environment to run in

hypervisor/Cargo.toml

@@ -7,6 +7,7 @@ license = "Apache-2.0 OR BSD-3-Clause"
 
 [features]
 kvm = []
+mshv = []
 
 [dependencies]
 anyhow = "1.0"

hypervisor/src/lib.rs

@@ -32,6 +32,10 @@ extern crate thiserror;
 /// KVM implementation module
 pub mod kvm;
 
+/// Microsoft Hypervisor implementation module
+#[cfg(all(feature = "mshv", target_arch = "x86_64"))]
+pub mod mshv;
+
 /// Hypevisor related module
 pub mod hypervisor;
 

hypervisor/src/mshv/mod.rs

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause
+//
+// Copyright © 2020, Microsoft Corporation
+//
+
+#![allow(dead_code)]
+#![allow(unused_imports)]
+#![allow(unused_variables)]
+#![allow(unused_macros)]
+#![allow(non_upper_case_globals)]

vmm/Cargo.toml

@@ -10,6 +10,7 @@ acpi = ["acpi_tables","devices/acpi", "arch/acpi"]
 cmos = ["devices/cmos"]
 fwdebug = ["devices/fwdebug"]
 kvm = ["hypervisor/kvm"]
+mshv = ["hypervisor/mshv"]
 io_uring = ["virtio-devices/io_uring"]
 
 [dependencies]