fdc82d3bc8
Correct shellcheck rule SC2068: Double quote array expansions to avoid re-splitting elements. Signed-off-by: Maciej Wawryk <maciejx.wawryk@intel.com> Change-Id: Iefc4f0104249f4d437a66c3d9c7a195f4f6f6da3 Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475690 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
97 lines
3.1 KiB
Bash
Executable File
97 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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rootdir=$(readlink -f $(dirname $0))/..
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igb_driverdir=$rootdir/dpdk/build/build/kernel/igb_uio/
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allowed_drivers=("igb_uio" "uio_pci_generic")
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# This script requires an igb_uio kernel module binary located at $igb_driverdir/igb_uio.ko
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# Please also note that this script is not intended to be comprehensive or production quality.
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# It supports configuring a single card (the Intel QAT 8970) for use with the SPDK
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bad_driver=true
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driver_to_bind=uio_pci_generic
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num_vfs=16
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qat_pci_bdfs=( $(lspci -Dd:37c8 | awk '{print $1}') )
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if [ ${#qat_pci_bdfs[@]} -eq 0 ]; then
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echo "No QAT devices found. Exiting"
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exit 0
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fi
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if [ -n "$1" ]; then
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driver_to_bind=$1
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fi
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for driver in "${allowed_drivers[@]}"; do
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if [ $driver == $driver_to_bind ]; then
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bad_driver=false
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fi
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done
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if $bad_driver; then
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echo "Unrecognized driver. Please specify an accepted driver (listed below):"
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echo "${allowed_drivers[@]}"
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exit 1
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fi
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# try starting the qat service. If this doesn't work, just treat it as a warning for now.
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if service qat_service start; then
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echo "failed to start the qat service. Something may be wrong with your 01.org driver."
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fi
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# configure virtual functions for the QAT cards.
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for qat_bdf in "${qat_pci_bdfs[@]}"; do
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echo "$num_vfs" > /sys/bus/pci/drivers/c6xx/$qat_bdf/sriov_numvfs
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num_vfs=$(cat /sys/bus/pci/drivers/c6xx/$qat_bdf/sriov_numvfs)
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echo "$qat_bdf set to $num_vfs VFs"
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done
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# Confirm we have all of the virtual functions we asked for.
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qat_vf_bdfs=( $(lspci -Dd:37c9 | awk '{print $1}') )
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if (( ${#qat_vf_bdfs[@]} != ${#qat_pci_bdfs[@]}*num_vfs )); then
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echo "Failed to prepare the VFs. Aborting"
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exit 1
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fi
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# Unbind old driver if necessary.
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for vf in "${qat_vf_bdfs[@]}"; do
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old_driver=$(basename $(readlink -f /sys/bus/pci/devices/${vf}/driver))
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if [ $old_driver != "driver" ]; then
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echo "unbinding driver $old_driver from qat VF at BDF $vf"
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echo -n $vf > /sys/bus/pci/drivers/$old_driver/unbind
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fi
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done
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modprobe uio
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# Insert the dpdk uio kernel module.
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if [ $driver_to_bind == "igb_uio" ]; then
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if ! lsmod | grep -q igb_uio; then
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if ! insmod $igb_driverdir/igb_uio.ko; then
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echo "Unable to insert the igb_uio kernel module. Aborting."
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exit 1
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fi
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fi
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elif [ "$driver_to_bind" == "uio_pci_generic" ]; then
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modprobe uio_pci_generic
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else
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echo "Unsure how to work with driver $driver_to_bind. Please configure it in qat_setup.sh"
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exit 1
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fi
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echo -n "8086 37c9" > /sys/bus/pci/drivers/$driver_to_bind/new_id
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for vf in "${qat_vf_bdfs[@]}"; do
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if ! ls -l /sys/bus/pci/devices/$vf/driver | grep -q $driver_to_bind; then
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echo "unable to bind the driver to the device at bdf $vf"
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if [ "$driver_to_bind" == "uio_pci_generic" ]; then
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echo "Your kernel's uio_pci_generic module does not support binding to virtual functions."
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echo "It likely is missing Linux git commit ID acec09e67 which is needed to bind"
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echo "uio_pci_generic to virtual functions which have no legacy interrupt vector."
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echo "Please rebuild spdk with --with-igb-uio-driver and re-run this script specifying the igb_uio driver."
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fi
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exit 1
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fi
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done
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echo "Properly configured the qat device with driver $driver_to_bind."
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