#            __          ____                        ____  _____
#     ____  / /_  __  __/ / /___  ____ ___  ___     / __ \/ ___/
#    / __ \/ __ \/ / / / / / __ \/ __ `__ \/ _ \   / / / /\__ \
#   / /_/ / / / / /_/ / / / /_/ / / / / / /  __/  / /_/ /___/ /
#  / .___/_/ /_/\__, /_/_/\____/_/ /_/ /_/\___/   \____//____/
# /_/          /____/

# What ? This kickstart file configures an hypervisor for Intel(tm) CPUs and Intel(tm) graphic cards

%post --nochroot --log=/mnt/sysimage/root/bhi.log # Beginning of %post section. Those commands are executed outside the chroot environment. Logging is enabled to help with post-installtion troubleshooting

sed -i 's/\(quiet\)/\1 intel_iommu=on iommu=pt rd.driver.pre=vfio-pci i915.enable_gvt=1/i' /mnt/sysimage/etc/default/grub # Load kernel modules in grub.

# Load kernel modules by adding vfio, vfio_pci, vfio_iommu_type1, vfio_virqfd
echo "vfio" > /mnt/sysimage/etc/modules-load.d/vfio.conf
echo "vfio-pci" > /mnt/sysimage/etc/modules-load.d/vfio-pci.conf
echo "vfio_iommu_type1" > /mnt/sysimage/etc/modules-load.d/vfio_iommu_type1.conf
echo "vfio_virqfd" > /mnt/sysimage/etc/modules-load.d/vfio_virqfd.conf
echo "kvmgt" > /mnt/sysimage/etc/modules-load.d/kvmgt.conf # Load specific kernel modules kvmgt and vfio-mdev, for Intel (tm) GVT-g and Nvidia (tm)
echo "vfio-mdev" > /mnt/sysimage/etc/modules-load.d/vfio-mdev.conf # Load specific kernel modules kvmgt and vfio-mdev, for Intel (tm) GVT-g and Nvidia (tm)

echo "options kvm_intel nested=1" >> /mnt/sysimage/etc/modprobe.d/kvm.conf # Add support for nested-virtualization

# The following part seems useless
# dracut --add-drivers " vfio vfio-pci vfio_iommu_type1 vfio_virqfd vfio-mdev kvmgt " --force # Instruct dracut to load the vfio drivers
# dracut --force # Regenerate initramfs
# Doesn't seem to work
# dracut: Cannot find /usr/lib/dracut/dracut-init.sh.
# dracut: Are you running from a git checkout?
# dracut: Try passing -l as an argument to /mnt/sysimage/usr/bin/dracut

# The following part seems useless too. No need to regenerate grub
# grub2-mkconfig -o /mnt/sysimage/boot/grub2/grub.cfg # Update grub. Does it fail ? /usr/sbin/grub2-probe: error: failed to get canonical path of `LiveOS_rootfs'.

%end # End of the %post section

%post --logfile=/root/bhi.log

grub2-mkconfig -o /boot/grub2/grub.cfg # Update grub otherwise the system won't boot properly

%end