create vm-superio-ser

This crate provides state objects that add serialization
and versionize capabilities to the ones from vm-superio.

Signed-off-by: Laura Loghin <lauralg@amazon.com>

Author: lauralt

Cargo.toml

@@ -1,14 +1,5 @@
-[package]
-name = "vm-superio"
-version = "0.3.0"
-description = "Emulation for legacy devices"
-keywords = ["superio", "emulation"]
-repository = "https://github.com/rust-vmm/vm-superio"
-readme = "README.md"
-authors = ["rust-vmm AWS maintainers <rust-vmm-maintainers@amazon.com>"]
-license = "Apache-2.0 OR BSD-3-Clause"
-edition = "2018"
-
-[dev-dependencies]
-libc = ">=0.2.39"
-vmm-sys-util = ">=0.7.0"
+[workspace]
+members = [
+    "crates/vm-superio",
+    "crates/vm-superio-ser",
+]

crates/vm-superio-ser/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "vm-superio-ser"
+version = "0.1.0"
+description = "Serialization for legacy device states"
+keywords = ["superio", "serialization", "versioning"]
+repository = "https://github.com/rust-vmm/vm-superio"
+readme = "README.md"
+authors = ["rust-vmm AWS maintainers <rust-vmm-maintainers@amazon.com>"]
+license = "Apache-2.0 OR BSD-3-Clause"
+edition = "2018"
+
+[dependencies]
+serde = { version = ">=1.0.27", features = ["derive"] }
+versionize = ">=0.1.6"
+versionize_derive = ">=0.1.3"
+vm-superio = { path =  "../vm-superio" }

crates/vm-superio-ser/src/lib.rs

@@ -0,0 +1,10 @@
+// Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+//
+// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause
+
+//! Adds to the state objects from `vm-superio` serialization capabilities.
+//!
+//! Provides wrappers over the state objects from `vm-superio` crate which
+//! implement the `Serialize`, `Deserialize` and `Versionize` traits as well.
+
+#![deny(missing_docs)]

crates/vm-superio/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "vm-superio"
+version = "0.3.0"
+description = "Emulation for legacy devices"
+keywords = ["superio", "emulation"]
+repository = "https://github.com/rust-vmm/vm-superio"
+readme = "README.md"
+authors = ["rust-vmm AWS maintainers <rust-vmm-maintainers@amazon.com>"]
+license = "Apache-2.0 OR BSD-3-Clause"
+edition = "2018"
+
+[dev-dependencies]
+libc = ">=0.2.39"
+vmm-sys-util = ">=0.7.0"

src/i8042.rs renamed to crates/vm-superio/src/i8042.rs

@@ -203,7 +203,7 @@ impl<EV: RtcEvents> Rtc<EV> {
 
             // A struct implementing RtcEvents for tracking the occurrence of
             // significant events.
-            events,
+            events
         }
     }