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misc: change VFIO group ownership and permissions in vfctl script

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This is missing step to allow runing VPP unpriviledged
with AVF driver.

Type: improvement
Change-Id: I37dfad9236691c1a8e2837a5811536170c65d7bc
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2021-05-12 11:51:08 +02:00
committed by Damjan Marion
parent 8b4d474abd
commit 742a5039b0
1 changed files with 4 additions and 0 deletions
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4
extras/scripts/vfctl
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@ -96,12 +96,16 @@ function create () {
mac_prefix=$(cat ${netdev_path}/address | cut -d: -f1,3,4,5,6 )
for vf_path in ${path}/virtfn*; do
vf=$(basename $(readlink ${vf_path}))
iommu_group=$(basename $(readlink ${vf_path}/iommu_group))
vfid=$(basename ${vf_path//virtfn/})
mac="${mac_prefix}:$(printf "%02x" ${vfid})"
sudo ip link set dev ${netdev} vf ${vfid} mac ${mac}
sudo ip link set dev ${netdev} vf ${vfid} trust on
sudo ip link set dev ${netdev} vf ${vfid} spoofchk off
pci-bind ${vf} vfio-pci
sudo chmod g+rw /dev/vfio/${iommu_group}
sudo chgrp sudo /dev/vfio/${iommu_group}
echo "VFIO group ${iommu_group} group ownership changed to sudo, group permissions changed to rw"
done
[ $(cat ${path}/sriov_numvfs) -gt 0 ] && show_vfs ${path} ${netdev}