1 files changed, 24 insertions, 0 deletions
diff --git a/hypervisor/src/aarch64.rs b/hypervisor/src/aarch64.rs
new file mode 100644
index 0000000..875941b
--- /dev/null
+++ b/hypervisor/src/aarch64.rs
@@ -0,0 +1,24 @@
+// 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 crate::{Vcpu, Vm};
+use sys_util::Result;
+
+/// A wrapper for using a VM on aarch64 and getting/setting its state.
+pub trait VmAArch64: Vm {
+    type Vcpu: VcpuAArch64;
+
+    /// Create a Vcpu with the specified Vcpu ID.
+    fn create_vcpu(&self, id: usize) -> Result<Self::Vcpu>;
+}
+
+/// A wrapper around creating and using a VCPU on aarch64.
+pub trait VcpuAArch64: Vcpu {
+    /// Sets the value of register on this VCPU.
+    ///
+    /// # Arguments
+    ///
+    /// * `reg_id` - Register ID, specified in the KVM API documentation for KVM_SET_ONE_REG
+    fn set_one_reg(&self, reg_id: u64, data: u64) -> Result<()>;
+}