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VILLASnode/tools/fpga-non-root.sh
Steffen Vogel 4db21c6ec2 Fix shebangs of bash scripts to work under NixOS
Signed-off-by: Steffen Vogel <post@steffenvogel.de>
2024-02-29 20:04:36 +01:00

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#!/usr/bin/env bash
#
# Setup VFIO for non-root users
#
# Author: Steffen Vogel <post@steffenvogel.de>
# SPDX-FileCopyrightText: 2017 Institute for Automation of Complex Power Systems, RWTH Aachen University
# SPDX-License-Identifier: Apache-2.0
# 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
IOMMU_GROUP=`basename $(readlink /sys/bus/pci/devices/${PCI_BDF}/iommu_group)`
# bind to vfio driver
echo "${PCI_VID} ${PCI_PID}" > /sys/bus/pci/drivers/vfio-pci/new_id
echo "${PCI_BDF}" > /sys/bus/pci/drivers/vfio-pci/bind
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}