From 057e3b1a9df117265bd957a0e77994178edff91c Mon Sep 17 00:00:00 2001
From: Aaron Bieber <aaron@bolddaemon.com>
Date: Mon, 10 Jan 2022 16:48:24 -0700
Subject: [PATCH] pkgs/os-specific/linux/virtio_vmmci: init at 0.4.0

---
 .../linux/virtio_vmmci/default.nix            | 37 +++++++++++++++++++
 pkgs/top-level/linux-kernels.nix              |  2 +
 2 files changed, 39 insertions(+)
 create mode 100644 pkgs/os-specific/linux/virtio_vmmci/default.nix

diff --git a/pkgs/os-specific/linux/virtio_vmmci/default.nix b/pkgs/os-specific/linux/virtio_vmmci/default.nix
new file mode 100644
index 00000000000..ccf462702fd
--- /dev/null
+++ b/pkgs/os-specific/linux/virtio_vmmci/default.nix
@@ -0,0 +1,37 @@
+{ stdenv, lib, fetchFromGitHub, kernel }:
+
+stdenv.mkDerivation rec {
+  name = "virtio_vmmci";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "voutilad";
+    repo = "virtio_vmmci";
+    rev = "${version}";
+    sha256 = "104xnpcy5kb4y7ipy1fx1v6byddzs63bv2dqjy3yl23n764fsy43";
+  };
+
+  hardeningDisable = [ "pic" "format" ];
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  extraConfig = ''
+    CONFIG_RTC_HCTOSYS yes
+  '';
+
+  makeFlags = kernel.makeFlags ++ [
+    "DEPMOD=echo"
+    "INSTALL_MOD_PATH=$(out)"
+    "KERNELRELEASE=${kernel.modDirVersion}"
+    "KERNELDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+  ];
+
+  meta = with lib; {
+    description = "An OpenBSD VMM Control Interface (vmmci) for Linux";
+    homepage = "https://github.com/voutilad/virtio_vmmci";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ qbit ];
+    platforms = platforms.linux;
+  };
+
+  enableParallelBuilding = true;
+}
diff --git a/pkgs/top-level/linux-kernels.nix b/pkgs/top-level/linux-kernels.nix
index edc1a89985b..0cba310b939 100644
--- a/pkgs/top-level/linux-kernels.nix
+++ b/pkgs/top-level/linux-kernels.nix
@@ -429,6 +429,8 @@ in {
 
     vhba = callPackage ../misc/emulators/cdemu/vhba.nix { };
 
+    virtio_vmmci  = callPackage ../os-specific/linux/virtio_vmmci { };
+
     virtualbox = callPackage ../os-specific/linux/virtualbox {
       virtualbox = pkgs.virtualboxHardened;
     };