nova/devstack/lib/mdev_samples
Dan Smith 82f4da91ab Compile mdev samples for nova-next
Change-Id: If44964f2b99ee0482600ec31e85ea1d4caeea1b3
2023-10-12 08:57:35 -07:00

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function compile_mdev_samples {
set -x
local kver=$(uname -r)
local kvariant=$(uname -r | awk -F - '{print $NF}')
if [[ "$kvariant" == "kvm" ]]; then
echo "NOTE: The kvm variant of the kernel you are running does not " \
"have the mdev support required to enable the mdev samples."
echo "Install the generic variant and retry."
exit 1
elif [[ "$kvariant" != "generic" ]]; then
echo "NOTE: This may not work on your kernel variant of $kvariant!"
echo "Recommend installing the generic variant kernel instead."
fi
if grep deb-src /etc/apt/sources.list; then
sudo sed -i 's/^# deb-src/deb-src/' /etc/apt/sources.list
else
sudo tee -a /etc/apt/sources.list <<EOF
# Added by devstack
deb-src http://archive.ubuntu.com/ubuntu jammy main restricted
deb-src http://archive.ubuntu.com/ubuntu jammy-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu jammy-security main restricted
EOF
fi
cat /etc/apt/sources.list
sudo apt update
sudo apt build-dep -y linux-image-unsigned-$kver
sudo apt install -y libncurses-dev gawk flex bison openssl libssl-dev \
dkms libelf-dev libudev-dev libpci-dev libiberty-dev autoconf llvm \
linux-headers-$kver
mkdir $NOVA_KERNEL_TEMP
cd $NOVA_KERNEL_TEMP
apt source linux-image-unsigned-$kver > kernel-source.log
cd linux-*/samples/vfio-mdev
sed -i 's/obj-[^ ]*/obj-m/' Makefile
make -C /lib/modules/$(uname -r)/build M=$(pwd) modules
sudo make -C /lib/modules/$(uname -r)/build M=$(pwd) modules_install
sudo depmod
for mod in $NOVA_MDEV_SAMPLES; do
sudo modprobe $mod
done
lsmod | grep mdev
}