From a6b48b4c239d8ebacf545c27aa801ba0f8762a2b Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Fri, 22 Jun 2012 14:50:06 +0200
Subject: [PATCH] Add qemu kernel modules, if we detect a qemu instance

Regardless of the host-only setting, add all know kernel driver for qemu
instances to support changing the virtual hardware.
---
 dracut.spec                          |    2 ++
 modules.d/90qemu-net/module-setup.sh |   16 ++++++++++++++++
 modules.d/90qemu/module-setup.sh     |   16 ++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100755 modules.d/90qemu-net/module-setup.sh
 create mode 100755 modules.d/90qemu/module-setup.sh

diff --git a/dracut.spec b/dracut.spec
index 982a66d..b19d15b 100644
--- a/dracut.spec
+++ b/dracut.spec
@@ -271,6 +271,7 @@ rm -rf $RPM_BUILD_ROOT
 %{dracutlibdir}/modules.d/90lvm
 %{dracutlibdir}/modules.d/90mdraid
 %{dracutlibdir}/modules.d/90multipath
+%{dracutlibdir}/modules.d/90qemu
 %{dracutlibdir}/modules.d/91crypt-gpg
 %{dracutlibdir}/modules.d/95debug
 %{dracutlibdir}/modules.d/95resume
@@ -313,6 +314,7 @@ rm -rf $RPM_BUILD_ROOT
 %{dracutlibdir}/modules.d/95fcoe
 %{dracutlibdir}/modules.d/95iscsi
 %{dracutlibdir}/modules.d/90livenet
+%{dracutlibdir}/modules.d/90qemu-net
 %{dracutlibdir}/modules.d/95nbd
 %{dracutlibdir}/modules.d/95nfs
 %{dracutlibdir}/modules.d/95ssh-client
diff --git a/modules.d/90qemu-net/module-setup.sh b/modules.d/90qemu-net/module-setup.sh
new file mode 100755
index 0000000..3d61792
--- /dev/null
+++ b/modules.d/90qemu-net/module-setup.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+check() {
+    vm=$(systemd-detect-virt --vm)
+    (($? != 0)) && return 255
+    [[ $vm = "qemu" ]] && return 0
+    [[ $vm = "kvm" ]] && return 0
+    return 255
+}
+
+installkernel() {
+    # qemu specific modules
+    hostonly='' instmods virtio_net e1000 8139cp pcnet32 e100 ne2k_pci
+}
diff --git a/modules.d/90qemu/module-setup.sh b/modules.d/90qemu/module-setup.sh
new file mode 100755
index 0000000..094f5a3
--- /dev/null
+++ b/modules.d/90qemu/module-setup.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+check() {
+    vm=$(systemd-detect-virt --vm)
+    (($? != 0)) && return 255
+    [[ $vm = "qemu" ]] && return 0
+    [[ $vm = "kvm" ]] && return 0
+    return 255
+}
+
+installkernel() {
+        # qemu specific modules
+        hostonly='' instmods virtio_blk virtio virtio_ring virtio_pci ata_piix ata_generic pata_acpi cdrom sr_mod ahci virtio_scsi
+}