vhost-device-sound: init at 0.2.0

All the vhost-device programs are in a single repository and Cargo
workspace, but they do separate release tags for each one.  From this,
I'm inferring that it makes the most sense to package them separately.

pkgs/by-name/vh/vhost-device-sound/package.nix

@@ -0,0 +1,48 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  pkg-config,
+  alsa-lib,
+  pipewire,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "vhost-device-sound";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "rust-vmm";
+    repo = "vhost-device";
+    tag = "vhost-device-sound-v${finalAttrs.version}";
+    hash = "sha256-MJRjnJewT1kyy37QzjJ0OToEwdZMZkKxtbyGees/vYU=";
+  };
+
+  cargoHash = "sha256-PXJZouhPeylpqX/FLY7pmX+eV+IanRqHSwaJriXFhw8=";
+
+  nativeBuildInputs = [
+    pkg-config
+    rustPlatform.bindgenHook
+  ];
+  buildInputs = [
+    alsa-lib
+    pipewire
+  ];
+
+  cargoBuildFlags = "-p vhost-device-sound";
+  cargoTestFlags = "-p vhost-device-sound";
+
+  # Runs dbus-daemon, which tries to load config from /etc.
+  doCheck = false;
+
+  meta = {
+    homepage = "https://github.com/rust-vmm/vhost-device/tree/main/vhost-device-sound";
+    description = "virtio-sound device using the vhost-user protocol";
+    license = [
+      lib.licenses.asl20
+      lib.licenses.bsd3
+    ];
+    maintainers = [ lib.maintainers.qyliss ];
+    platforms = lib.platforms.unix;
+  };
+})