Commit 72299cf2 authored by Daniel Krebs's avatar Daniel Krebs

scripts: fix non-root script

 * load IOMMU type 1 kernel module
 * determine IOMMU group dynamically
 * add user dkr to fpga group
parent 735f3e1d
#!/bin/bash
IOMMU_GROUP=24
# PCI-e parameters of FPGA card
PCI_BDF="0000:03:00.0"
PCI_VID="10ee"
PCI_PID="7022"
modprobe vfio
modprobe vfio_pci
modprobe vfio_iommu_type1
echo "10ee 7022" > /sys/bus/pci/drivers/vfio-pci/new_id
echo ${PCI_BDF} > /sys/bus/pci/drivers/vfio-pci/bind
IOMMU_GROUP=`basename $(readlink /sys/bus/pci/devices/${PCI_BDF}/iommu_group)`
# bind to vfio driver
echo "${PCI_VID} ${PCI_PID}" > /sys/bus/pci/drivers/vfio-pci/new_id
groupadd -f fpga
usermod -G fpga -a svg
usermod -G fpga -a dkr
chgrp fpga /dev/vfio/${IOMMU_GROUP}
chmod g+rw /dev/vfio/${IOMMU_GROUP}
......
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