Commit 515ec7e7 authored by Gang Cao's avatar Gang Cao Committed by Tomasz Zawadzki
Browse files

Script: add the support of vfio_pci driver for QAT 



Change-Id: Ib56f4709da994c6b0f18cd6f05bb6175d28efe8f
Signed-off-by: default avatarGang Cao <gang.cao@intel.com>
Signed-off-by: default avatarMichael-M-Zhang <michael.m.zhang@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/24126


Reviewed-by: default avatarMichael Zhang <Michael.M.Zhang@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent a95bbf23

scripts/qat_setup.sh

+13 −5
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ shopt -s nullglob 
set -e



rootdir=$(readlink -f $(dirname $0))/..

allowed_drivers=("igb_uio" "uio_pci_generic")

allowed_drivers=("igb_uio" "uio_pci_generic" "vfio_pci")



reload_intel_qat() {

	# We need to make sure the out-of-tree intel_qat driver, provided via autotest_setup.sh,
@@ -127,16 +127,19 @@ if ((expected_num_vfs != set_num_vfs || ${#qat_vf_bdfs[@]} != expected_num_vfs)) 
	exit 1

fi



modprobe uio



# Insert the dpdk uio kernel module.

if [ $driver_to_bind == "igb_uio" ]; then

	modprobe uio

	if ! modprobe igb_uio; then

		echo "Unable to insert the igb_uio kernel module. Aborting."

		exit 1

	fi

elif [ "$driver_to_bind" == "uio_pci_generic" ]; then

	modprobe uio

	modprobe uio_pci_generic

elif [ "$driver_to_bind" == "vfio_pci" ]; then

	modprobe vfio

	modprobe vfio_pci

else

	echo "Unsure how to work with driver $driver_to_bind. Please configure it in qat_setup.sh"

	exit 1
@@ -152,8 +155,13 @@ for vf in "${qat_vf_bdfs[@]}"; do 
			echo "${vf##*/}" > "/sys/bus/pci/drivers/$old_driver/unbind"

		fi

	fi

	# Bind new driver

	if [ "$driver_to_bind" == "vfio_pci" ]; then

		"$rootdir/dpdk/usertools/dpdk-devbind.py" -b vfio-pci $vf

	else

		echo "$driver_to_bind" > "$vf/driver_override"

		echo "${vf##*/}" > /sys/bus/pci/drivers_probe

	fi

done



echo "Properly configured the qat device with driver $driver_to_bind."