hypervisor: add Vm/Vcpu traits and Kvm impls

Add arch-agnostic traits Vm and Vcpu.  Add arch-specific traits
HypervisorXXX, VmXXX, VcpuXXX, with impls for KVM.

BUG=chromium:1077058
TEST=added test for functions and structs interacting with the traits

Change-Id: I809f42f32a558c7835831c90e24fca82ce7744ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2176562
Reviewed-by: Udam Saini <udam@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Steven Richman <srichman@google.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/hypervisor/tests/types.rs b/hypervisor/tests/types.rs
new file mode 100644
index 0000000..d9272af
--- /dev/null
+++ b/hypervisor/tests/types.rs
@@ -0,0 +1,18 @@
+// Copyright 2020 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+use hypervisor::*;
+
+pub struct HyperVm<HyperT, VmT, VcpuT>
+where
+    HyperT: Hypervisor,
+    VmT: Vm,
+    VcpuT: Vcpu,
+{
+    pub hypervisor: HyperT,
+    pub vm: VmT,
+    pub vcpus: Vec<VcpuT>,
+}
+
+pub struct RunnableLinuxVm {}