be5d98000f
Change-Id: I1cf9d27d05f09c199ef35066f2e62480025d3feb Signed-off-by: Seth Howell <seth.howell@intel.com> Reviewed-on: https://review.gerrithub.io/433185 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.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
|
|
|
|
rootdir=$(readlink -f $(dirname $0))/..
|
|
igb_driverdir=$rootdir/dpdk/build/build/kernel/igb_uio/
|
|
allowed_drivers=("igb_uio" "uio_pci_generic")
|
|
|
|
# This script requires an igb_uio kernel module binary located at $igb_driverdir/igb_uio.ko
|
|
# Please also note that this script is not intended to be comprehensive or production quality.
|
|
# It supports configuring a single card (the Intel QAT 8970) for use with the SPDK
|
|
|
|
bad_driver=true
|
|
driver_to_bind=uio_pci_generic
|
|
num_vfs=16
|
|
|
|
qat_pci_bdfs=( $(lspci -Dd:37c8 | awk '{print $1}') )
|
|
if [ ${#qat_pci_bdfs[@]} -eq 0 ]; then
|
|
echo "No QAT devices found. Exiting"
|
|
exit 0
|
|
fi
|
|
|
|
if [ ! -z $1 ]; then
|
|
driver_to_bind=$1
|
|
fi
|
|
|
|
for driver in ${allowed_drivers[@]}; do
|
|
if [ $driver == $driver_to_bind ]; then
|
|
bad_driver=false
|
|
fi
|
|
done
|
|
|
|
if $bad_driver; then
|
|
echo "Unrecognized driver. Please specify an accepted driver (listed below):"
|
|
echo "${allowed_drivers[@]}"
|
|
exit 1
|
|
fi
|
|
|
|
# try starting the qat service. If this doesn't work, just treat it as a warning for now.
|
|
if service qat_service start; then
|
|
echo "failed to start the qat service. Something may be wrong with your 01.org driver."
|
|
fi
|
|
|
|
# configure virtual functions for the QAT cards.
|
|
for qat_bdf in ${qat_pci_bdfs[@]}; do
|
|
echo "$num_vfs" > /sys/bus/pci/drivers/c6xx/$qat_bdf/sriov_numvfs
|
|
num_vfs=$(cat /sys/bus/pci/drivers/c6xx/$qat_bdf/sriov_numvfs)
|
|
echo "$qat_bdf set to $num_vfs VFs"
|
|
done
|
|
|
|
# Confirm we have all of the virtual functions we asked for.
|
|
|
|
qat_vf_bdfs=( $(lspci -Dd:37c9 | awk '{print $1}') )
|
|
if (( ${#qat_vf_bdfs[@]} != ${#qat_pci_bdfs[@]}*num_vfs )); then
|
|
echo "Failed to prepare the VFs. Aborting"
|
|
exit 1
|
|
fi
|
|
|
|
# Unbind old driver if necessary.
|
|
for vf in ${qat_vf_bdfs[@]}; do
|
|
old_driver=$(basename $(readlink -f /sys/bus/pci/devices/${vf}/driver))
|
|
if [ $old_driver != "driver" ]; then
|
|
echo "unbinding driver $old_driver from qat VF at BDF $vf"
|
|
echo -n $vf > /sys/bus/pci/drivers/$old_driver/unbind
|
|
fi
|
|
done
|
|
|
|
modprobe uio
|
|
|
|
# Insert the dpdk uio kernel module.
|
|
if [ $driver_to_bind == "igb_uio" ]; then
|
|
if ! lsmod | grep -q igb_uio; then
|
|
if ! insmod $igb_driverdir/igb_uio.ko; then
|
|
echo "Unable to insert the igb_uio kernel module. Aborting."
|
|
exit 1
|
|
fi
|
|
fi
|
|
elif [ "$driver_to_bind" == "uio_pci_generic" ]; then
|
|
modprobe uio_pci_generic
|
|
else
|
|
echo "Unsure how to work with driver $driver_to_bind. Please configure it in qat_setup.sh"
|
|
exit 1
|
|
fi
|
|
|
|
echo -n "8086 37c9" > /sys/bus/pci/drivers/$driver_to_bind/new_id
|
|
for vf in ${qat_vf_bdfs[@]}; do
|
|
if ! ls -l /sys/bus/pci/devices/$vf/driver | grep -q $driver_to_bind; then
|
|
echo "unable to bind the driver to the device at bdf $vf"
|
|
if [ "$driver_to_bind" == "uio_pci_generic" ]; then
|
|
echo "Your kernel's uio_pci_generic module does not support binding to virtual functions."
|
|
echo "It likely is missing Linux git commit ID acec09e67 which is needed to bind"
|
|
echo "uio_pci_generic to virtual functions which have no legacy interrupt vector."
|
|
echo "Please rebuild spdk with --with-igb-uio-driver and re-run this script specifying the igb_uio driver."
|
|
fi
|
|
exit 1
|
|
fi
|
|
done
|
|
echo "Properly configured the qat device with driver $driver_to_bind."
|