diff --git a/test/nvmf/common.sh b/test/nvmf/common.sh
new file mode 100755
index 000000000..71be62681
--- /dev/null
+++ b/test/nvmf/common.sh
@@ -0,0 +1,115 @@
+#!/usr/bin/env bash
+
+NVMF_PORT=7174
+NVMF_IP_PREFIX="192.168.100."
+NVMF_IP_LEAST_ADDR=8
+NVMF_FIRST_TARGET_IP=$NVMF_IP_PREFIX$NVMF_IP_LEAST_ADDR
+
+nvmf_nic_bdfs=""
+
+function load_ib_rdma_modules()
+{
+	if [ `uname` != Linux ]; then
+		exit 0
+	fi
+
+	modprobe ib_addr ib_mad ib_sa || true # part of core since 4.7
+	modprobe ib_cm
+	modprobe ib_core
+	modprobe ib_ucm
+	modprobe ib_umad
+	modprobe ib_uverbs
+	modprobe iw_cm
+	modprobe rdma_cm
+	modprobe rdma_ucm
+}
+
+function detect_mellanox_nics()
+{
+	nvmf_nic_bdfs=`lspci | grep Ethernet | grep Mellanox | awk -F ' ' '{print "0000:"$1}'`
+	mlx_core_driver="mlx4_core"
+	mlx_ib_driver="mlx4_ib"
+	mlx_en_driver="mlx4_en"
+
+	if [ -z "$nvmf_nic_bdfs" ]; then
+		exit 0
+	fi
+
+	# for nvmf target loopback test, suppose we only have one type of card.
+	for nvmf_nic_bdf in $nvmf_nic_bdfs
+	do
+		result=`find /sys -name $nvmf_nic_bdf | grep driver | awk -F / '{ print $6 }'`
+		if [ "$result" == "mlx5_core" ]; then
+			mlx_core_driver="mlx5_core"
+			mlx_ib_driver="mlx5_ib"
+			mlx_en_driver=""
+		fi
+		break;
+	done
+
+	# Uninstall/install driver to make a clean test environment
+	if lsmod | grep -q $mlx_ib_driver; then
+		rmmod $mlx_ib_driver
+	fi
+
+	if [ -n "$mlx_en_driver" ]; then
+		if lsmod | grep -q $mlx_en_driver; then
+			rmmod $mlx_en_driver
+		fi
+	fi
+
+	if lsmod | grep -q $mlx_core_driver; then
+		rmmod $mlx_core_driver
+	fi
+
+	modprobe $mlx_core_driver
+	modprobe $mlx_ib_driver
+	if [ -n "$mlx_en_driver" ]; then
+		modprobe $mlx_en_driver
+	fi
+
+	trap - SIGINT SIGTERM EXIT
+}
+
+function detect_rdma_nics()
+{
+	# could be add other nics, so wrap it
+	detect_mellanox_nics
+}
+
+function allocate_nic_ips()
+{
+	LEAST_ADDR=$NVMF_IP_LEAST_ADDR
+	for bdf in $1; do
+		dir=`find /sys -name $bdf | grep "/sys/devices"`
+		if [ -e $dir ]; then
+			if [ -e $dir"/net" ]; then
+				nic_name=`ls $dir"/net"`
+				# just get the first nic
+				nic_name=`echo $nic_name | awk '{ print $1; }'`
+				ifconfig $nic_name $NVMF_IP_PREFIX$LEAST_ADDR netmask 255.255.255.0 up
+				LEAST_ADDR=$[$LEAST_ADDR + 1]
+			fi
+		fi
+	done
+	# check whether the IP is configured
+	result=`ifconfig | grep $NVMF_IP_PREFIX`
+	if [ -z "$result" ]; then
+		echo "no NIC for nvmf test"
+		exit 0
+	fi
+}
+
+function nvmfcleanup()
+{
+	rmmod nvme-rdma
+	rmmod nvme || true
+}
+
+function rdma_device_init()
+{
+	load_ib_rdma_modules
+	detect_rdma_nics
+	allocate_nic_ips $nvmf_nic_bdfs
+}
+
diff --git a/test/nvmf/filesystem/filesystem.sh b/test/nvmf/filesystem/filesystem.sh
index 075fe1084..080caee05 100755
--- a/test/nvmf/filesystem/filesystem.sh
+++ b/test/nvmf/filesystem/filesystem.sh
@@ -3,108 +3,7 @@
 testdir=$(readlink -f $(dirname $0))
 rootdir=$testdir/../../..
 source $rootdir/scripts/autotest_common.sh
-
-NVMF_PORT=7174
-NVMF_IP_PREFIX="192.168.100."
-NVMF_IP_LEAST_ADDR=8
-NVMF_FIRST_TARGET_IP=$NVMF_IP_PREFIX$NVMF_IP_LEAST_ADDR
-
-nvmf_nic_bdfs=""
-
-function load_ib_rdma_modules()
-{
-	if [ `uname` != Linux ]; then
-		exit 0
-	fi
-
-	modprobe ib_addr ib_mad ib_sa || true # part of core since 4.7
-	modprobe ib_cm
-	modprobe ib_core
-	modprobe ib_ucm
-	modprobe ib_umad
-	modprobe ib_uverbs
-	modprobe iw_cm
-	modprobe rdma_cm
-	modprobe rdma_ucm
-}
-
-function detect_mellanox_nics()
-{
-	nvmf_nic_bdfs=`lspci | grep Ethernet | grep Mellanox | awk -F ' ' '{print "0000:"$1}'`
-	mlx_core_driver="mlx4_core"
-	mlx_ib_driver="mlx4_ib"
-	mlx_en_driver="mlx4_en"
-
-	if [ -z "$nvmf_nic_bdfs" ]; then
-		exit 0
-	fi
-
-	# for nvmf target loopback test, suppose we only have one type of card.
-	for nvmf_nic_bdf in $nvmf_nic_bdfs
-	do
-		result=`find /sys -name $nvmf_nic_bdf | grep driver | awk -F / '{ print $6 }'`
-		if [ "$result" == "mlx5_core" ]; then
-			mlx_core_driver="mlx5_core"
-			mlx_ib_driver="mlx5_ib"
-			mlx_en_driver=""
-		fi
-		break;
-	done
-
-	# Uninstall/install driver to make a clean test environment
-	if lsmod | grep -q $mlx_ib_driver; then
-		rmmod $mlx_ib_driver
-	fi
-
-	if [ -n "$mlx_en_driver" ]; then
-		if lsmod | grep -q $mlx_en_driver; then
-			rmmod $mlx_en_driver
-		fi
-	fi
-
-	if lsmod | grep -q $mlx_core_driver; then
-		rmmod $mlx_core_driver
-	fi
-
-	modprobe $mlx_core_driver
-	modprobe $mlx_ib_driver
-	if [ -n "$mlx_en_driver" ]; then
-		modprobe $mlx_en_driver
-	fi
-
-	trap - SIGINT SIGTERM EXIT
-}
-
-function detect_rdma_nics()
-{
-	detect_mellanox_nics
-}
-
-function allocate_nic_ips()
-{
-	LEAST_ADDR=$NVMF_IP_LEAST_ADDR
-	for bdf in $1; do
-		dir=`find /sys -name $bdf | grep "/sys/devices"`
-		if [ -e $dir ]; then
-			if [ -e $dir"/net" ]; then
-				nic_name=`ls $dir"/net"`
-				echo $nic_name
-				ifconfig $nic_name $NVMF_IP_PREFIX$LEAST_ADDR netmask 255.255.255.0 up
-				LEAST_ADDR=$[$LEAST_ADDR + 1]
-			fi
-		fi
-	done
-	# check whether the IP is configured
-	result=`ifconfig | grep $NVMF_IP_PREFIX`
-	if [ -z "$result" ]; then
-		echo "no NIC for nvmf test"
-		exit 0
-	fi
-}
-
-function nvmfcleanup() {
-	rmmod nvme-rdma
-}
+source $rootdir/test/nvmf/common.sh
 
 function filesystem_test()
 {
@@ -132,9 +31,7 @@ function filesystem_test()
 	done
 }
 
-load_ib_rdma_modules
-detect_rdma_nics
-allocate_nic_ips $nvmf_nic_bdfs
+rdma_device_init
 
 timing_enter fs_test
 
diff --git a/test/nvmf/fio/fio.sh b/test/nvmf/fio/fio.sh
index 92852fc51..2f7497b8e 100755
--- a/test/nvmf/fio/fio.sh
+++ b/test/nvmf/fio/fio.sh
@@ -3,112 +3,9 @@
 testdir=$(readlink -f $(dirname $0))
 rootdir=$testdir/../../..
 source $rootdir/scripts/autotest_common.sh
+source $rootdir/test/nvmf/common.sh
 
-NVMF_PORT=7174
-NVMF_IP_PREFIX="192.168.100."
-NVMF_IP_LEAST_ADDR=8
-NVMF_FIRST_TARGET_IP=$NVMF_IP_PREFIX$NVMF_IP_LEAST_ADDR
-
-nvmf_nic_bdfs=""
-
-function load_ib_rdma_modules()
-{
-	if [ `uname` != Linux ]; then
-		exit 0
-	fi
-
-	modprobe ib_addr ib_mad ib_sa || true # part of core since 4.7
-	modprobe ib_cm
-	modprobe ib_core
-	modprobe ib_ucm
-	modprobe ib_umad
-	modprobe ib_uverbs
-	modprobe iw_cm
-	modprobe rdma_cm
-	modprobe rdma_ucm
-}
-
-function detect_mellanox_nics()
-{
-	nvmf_nic_bdfs=`lspci | grep Ethernet | grep Mellanox | awk -F ' ' '{print "0000:"$1}'`
-	mlx_core_driver="mlx4_core"
-	mlx_ib_driver="mlx4_ib"
-	mlx_en_driver="mlx4_en"
-
-	if [ -z "$nvmf_nic_bdfs" ]; then
-		exit 0
-	fi
-
-	# for nvmf target loopback test, suppose we only have one type of card.
-	for nvmf_nic_bdf in $nvmf_nic_bdfs
-	do
-		result=`find /sys -name $nvmf_nic_bdf | grep driver | awk -F / '{ print $6 }'`
-		if [ "$result" == "mlx5_core" ]; then
-			mlx_core_driver="mlx5_core"
-			mlx_ib_driver="mlx5_ib"
-			mlx_en_driver=""
-		fi
-		break;
-	done
-
-	# Uninstall/install driver to make a clean test environment
-	if lsmod | grep -q $mlx_ib_driver; then
-		rmmod $mlx_ib_driver
-	fi
-
-	if [ -n "$mlx_en_driver" ]; then
-		if lsmod | grep -q $mlx_en_driver; then
-			rmmod $mlx_en_driver
-		fi
-	fi
-
-	if lsmod | grep -q $mlx_core_driver; then
-		rmmod $mlx_core_driver
-	fi
-
-	modprobe $mlx_core_driver
-	modprobe $mlx_ib_driver
-	if [ -n "$mlx_en_driver" ]; then
-		modprobe $mlx_en_driver
-	fi
-
-	trap - SIGINT SIGTERM EXIT
-}
-
-function detect_rdma_nics()
-{
-	detect_mellanox_nics
-}
-
-function allocate_nic_ips()
-{
-	LEAST_ADDR=$NVMF_IP_LEAST_ADDR
-	for bdf in $1; do
-		dir=`find /sys -name $bdf | grep "/sys/devices"`
-		if [ -e $dir ]; then
-			if [ -e $dir"/net" ]; then
-				nic_name=`ls $dir"/net"`
-				echo $nic_name
-				ifconfig $nic_name $NVMF_IP_PREFIX$LEAST_ADDR netmask 255.255.255.0 up
-				LEAST_ADDR=$[$LEAST_ADDR + 1]
-			fi
-		fi
-	done
-	# check whether the IP is configured
-	result=`ifconfig | grep $NVMF_IP_PREFIX`
-	if [ -z "$result" ]; then
-		echo "no NIC for nvmf test"
-		exit 0
-	fi
-}
-
-function nvmfcleanup() {
-	rmmod nvme-rdma
-}
-
-load_ib_rdma_modules
-detect_rdma_nics
-allocate_nic_ips $nvmf_nic_bdfs
+rdma_device_init
 
 timing_enter fio