Compile mdev samples for nova-next

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Change-Id: If44964f2b99ee0482600ec31e85ea1d4caeea1b3

This commit is contained in:

Dan Smith

2023年10月09日 10:37:14 -07:00

parent b419f1dc56

commit 82f4da91ab

4 changed files with 76 additions and 0 deletions

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2
.zuul.yaml

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@@ -464,6 +464,7 @@

NOVNC_FROM_PACKAGE:False

NOVA_USE_UNIFIED_LIMITS:True

MYSQL_REDUCE_MEMORY:True

NOVA_COMPILE_MDEV_SAMPLES:True

devstack_services:

# Disable OVN services

br-ex-tcpdump:false

@@ -486,6 +487,7 @@

devstack_plugins:

# Needed for QoS port heal allocation testing.

neutron:https://opendev.org/openstack/neutron

nova:https://opendev.org/openstack/nova

group-vars:

subnode:

devstack_localrc:

46
devstack/lib/mdev_samples Normal file

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@@ -0,0 +1,46 @@

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

}

20
devstack/plugin.sh Normal file

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@@ -0,0 +1,20 @@

NOVA_PLUGINDIR=$(readlink -f $(dirname "${BASH_SOURCE[0]}"))

source $NOVA_PLUGINDIR/lib/mdev_samples

if [[ 1ドル == "stack" ]]; then

case 2ドル in

install)

if [[ "$NOVA_COMPILE_MDEV_SAMPLES" == True ]]; then

async_runfunc compile_mdev_samples

fi

;;

extra)

if [[ "$NOVA_COMPILE_MDEV_SAMPLES" == True ]]; then

async_wait compile_mdev_samples

fi

;;

esac

elif [[ 1ドル == "clean" ]]; then

rm -Rf $NOVA_KERNEL_TEMP

fi

8
devstack/settings Normal file

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@@ -0,0 +1,8 @@

# Whether or not to compile the mdev sample drivers from source

NOVA_COMPILE_MDEV_SAMPLES=$(trueorfalse True NOVA_COMPILE_MDEV_SAMPLES)

# Insert these mdev sample modules

NOVA_MDEV_SAMPLES=${NOVA_MDEV_SAMPLES:-mtty mdpy mdpy-fb mbochs}

# Temporary directory for kernel source

NOVA_KERNEL_TEMP=$DEST/kernel