From 8dfa60ce73f6bb9128fb577a8d0df3f8b86f3ddf Mon Sep 17 00:00:00 2001
From: taku0 <mxxouy6x3m_github@tatapa.org>
Date: Sun, 5 Feb 2017 11:46:27 +0900
Subject: [PATCH] nixos-generate-config.pl, all-hardware.nix: Add support for
 Hyper-V

---
 nixos/modules/installer/tools/nixos-generate-config.pl | 10 +++++++---
 nixos/modules/profiles/all-hardware.nix                |  3 +++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/nixos/modules/installer/tools/nixos-generate-config.pl b/nixos/modules/installer/tools/nixos-generate-config.pl
index 0a5624ff6a3f..c920a2b52d89 100644
--- a/nixos/modules/installer/tools/nixos-generate-config.pl
+++ b/nixos/modules/installer/tools/nixos-generate-config.pl
@@ -208,9 +208,6 @@ foreach my $path (glob "/sys/bus/pci/devices/*") {
     pciCheck $path;
 }
 
-push @attrs, "services.xserver.videoDrivers = [ \"$videoDriver\" ];" if $videoDriver;
-
-
 # Idem for USB devices.
 
 sub usbCheck {
@@ -277,6 +274,12 @@ if ($virt eq "qemu" || $virt eq "kvm" || $virt eq "bochs") {
     push @imports, "<nixpkgs/nixos/modules/profiles/qemu-guest.nix>";
 }
 
+# Also for Hyper-V.
+if ($virt eq "microsoft") {
+    push @initrdAvailableKernelModules, "hv_storvsc";
+    $videoDriver = "fbdev";
+}
+
 
 # Pull in NixOS configuration for containers.
 if ($virt eq "systemd-nspawn") {
@@ -307,6 +310,7 @@ sub findStableDevPath {
     return $dev;
 }
 
+push @attrs, "services.xserver.videoDrivers = [ \"$videoDriver\" ];" if $videoDriver;
 
 # Generate the swapDevices option from the currently activated swap
 # devices.
diff --git a/nixos/modules/profiles/all-hardware.nix b/nixos/modules/profiles/all-hardware.nix
index 99b45228ce4d..6b4d8c737eba 100644
--- a/nixos/modules/profiles/all-hardware.nix
+++ b/nixos/modules/profiles/all-hardware.nix
@@ -42,6 +42,9 @@
       # Virtio (QEMU, KVM etc.) support.
       "virtio_net" "virtio_pci" "virtio_blk" "virtio_scsi" "virtio_balloon" "virtio_console"
 
+      # Hyper-V support.
+      "hv_storvsc"
+
       # Keyboards
       "usbhid" "hid_apple" "hid_logitech_dj" "hid_lenovo_tpkbd" "hid_roccat"
     ];