From: Masayoshi Mizuma <m.miz...@jp.fujitsu.com>

Cleanup some test scripts by using helper functions.

Signed-off-by: Masayoshi Mizuma <m.miz...@jp.fujitsu.com>
---
 test/blk-exhaust.sh       | 21 ++++++----------
 test/btt-check.sh         | 52 ++++++++++++++++++---------------------
 test/btt-errors.sh        |  7 +++---
 test/btt-pad-compat.sh    | 36 ++++++++++++---------------
 test/clear.sh             | 25 +++++++------------
 test/create.sh            | 26 +++++++++-----------
 test/daxdev-errors.sh     | 29 ++++++++--------------
 test/firmware-update.sh   | 25 +++++--------------
 test/inject-error.sh      | 24 ++++++++----------
 test/label-compat.sh      | 17 +++++--------
 test/multi-dax.sh         | 23 ++++++-----------
 test/pmem-errors.sh       | 19 +++++---------
 test/rescan-partitions.sh | 22 ++++++++---------
 test/sector-mode.sh       | 22 ++++++-----------
 14 files changed, 135 insertions(+), 213 deletions(-)

diff --git a/test/blk-exhaust.sh b/test/blk-exhaust.sh
index 1ec67fd..326ce73 100755
--- a/test/blk-exhaust.sh
+++ b/test/blk-exhaust.sh
@@ -13,9 +13,6 @@
 
 set -e
 
-NDCTL="../ndctl/ndctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
 rc=77
 
 . ./common
@@ -26,21 +23,19 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
 # if the kernel accounting is correct we should be able to create two
 # pmem and two blk namespaces on nfit_test.0
 rc=1
-$NDCTL create-namespace $BUS -t pmem
-$NDCTL create-namespace $BUS -t pmem
-$NDCTL create-namespace $BUS -t blk -m raw
-$NDCTL create-namespace $BUS -t blk -m raw
+$NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem
+$NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem
+$NDCTL create-namespace -b $NFIT_TEST_BUS0 -t blk -m raw
+$NDCTL create-namespace -b $NFIT_TEST_BUS0 -t blk -m raw
 
 # clearnup and exit
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
diff --git a/test/btt-check.sh b/test/btt-check.sh
index 0d5ca6e..ceabee5 100755
--- a/test/btt-check.sh
+++ b/test/btt-check.sh
@@ -11,11 +11,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
 
-[ -f "../ndctl/ndctl" ] && [ -x "../ndctl/ndctl" ] && ndctl="../ndctl/ndctl"
-[ -f "./ndctl/ndctl" ] && [ -x "./ndctl/ndctl" ] && ndctl="./ndctl/ndctl"
-[ -z "$ndctl" ] && echo "Couldn't find an ndctl binary" && exit 1
-bus="nfit_test.0"
-json2var="s/[{}\",]//g; s/:/=/g"
 dev=""
 mode=""
 size=""
@@ -42,9 +37,9 @@ check_min_kver "4.14" || do_skip "may not support badblocks 
clearing on pmem via
 
 create()
 {
-       json=$($ndctl create-namespace -b "$bus" -t pmem -m sector)
+       json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m sector)
        rc=2
-       eval "$(echo "$json" | sed -e "$json2var")"
+       eval "$(echo "$json" | json2var)"
        [ -n "$dev" ] || err "$LINENO"
        [ "$mode" = "sector" ] || err "$LINENO"
        [ -n "$size" ] || err "$LINENO"
@@ -55,9 +50,9 @@ create()
 
 reset()
 {
-       $ndctl disable-region -b "$bus" all
-       $ndctl zero-labels -b "$bus" all
-       $ndctl enable-region -b "$bus" all
+       $NDCTL disable-region -b $NFIT_TEST_BUS0 all
+       $NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+       $NDCTL enable-region -b $NFIT_TEST_BUS0 all
 }
 
 # re-enable the BTT namespace, and do IO to it in an attempt to
@@ -78,25 +73,25 @@ test_normal()
 {
        echo "=== ${FUNCNAME[0]} ==="
        # disable the namespace
-       $ndctl disable-namespace $dev
-       $ndctl check-namespace $dev
-       $ndctl enable-namespace $dev
+       $NDCTL disable-namespace $dev
+       $NDCTL check-namespace $dev
+       $NDCTL enable-namespace $dev
        post_repair_test
 }
 
 test_force()
 {
        echo "=== ${FUNCNAME[0]} ==="
-       $ndctl check-namespace --force $dev
+       $NDCTL check-namespace --force $dev
        post_repair_test
 }
 
 set_raw()
 {
-       $ndctl disable-namespace $dev
+       $NDCTL disable-namespace $dev
        echo -n "set raw_mode: "
        echo 1 | tee /sys/bus/nd/devices/$dev/force_raw
-       $ndctl enable-namespace $dev
+       $NDCTL enable-namespace $dev
        raw_bdev="${blockdev%%s}"
        test -b /dev/$raw_bdev
        raw_size="$(cat /sys/bus/nd/devices/$dev/size)"
@@ -104,10 +99,10 @@ set_raw()
 
 unset_raw()
 {
-       $ndctl disable-namespace $dev
+       $NDCTL disable-namespace $dev
        echo -n "set raw_mode: "
        echo 0 | tee /sys/bus/nd/devices/$dev/force_raw
-       $ndctl enable-namespace $dev
+       $NDCTL enable-namespace $dev
        raw_bdev=""
 }
 
@@ -119,10 +114,10 @@ test_bad_info2()
        echo "wiping info2 block (offset = $seek blocks)"
        dd if=/dev/zero of=/dev/$raw_bdev bs=$bs count=1 seek=$seek
        unset_raw
-       $ndctl disable-namespace $dev
-       $ndctl check-namespace $dev 2>&1 | grep "info2 needs to be restored"
-       $ndctl check-namespace --repair $dev
-       $ndctl enable-namespace $dev
+       $NDCTL disable-namespace $dev
+       $NDCTL check-namespace $dev 2>&1 | grep "info2 needs to be restored"
+       $NDCTL check-namespace --repair $dev
+       $NDCTL enable-namespace $dev
        post_repair_test
 }
 
@@ -133,10 +128,10 @@ test_bad_info()
        echo "wiping info block"
        dd if=/dev/zero of=/dev/$raw_bdev bs=$bs count=2 seek=0
        unset_raw
-       $ndctl disable-namespace $dev
-       $ndctl check-namespace $dev 2>&1 | grep -E "info block at offset .* 
needs to be restored"
-       $ndctl check-namespace --repair $dev
-       $ndctl enable-namespace $dev
+       $NDCTL disable-namespace $dev
+       $NDCTL check-namespace $dev 2>&1 | grep -E "info block at offset .* 
needs to be restored"
+       $NDCTL check-namespace --repair $dev
+       $NDCTL enable-namespace $dev
        post_repair_test
 }
 
@@ -155,8 +150,8 @@ test_bitmap()
        dd if=/tmp/scribble of=/dev/$raw_bdev bs=$bs seek=$seek
        rm -f /tmp/scribble
        unset_raw
-       $ndctl disable-namespace $dev
-       $ndctl check-namespace $dev 2>&1 | grep "bitmap error"
+       $NDCTL disable-namespace $dev
+       $NDCTL check-namespace $dev 2>&1 | grep "bitmap error"
        # This is not repairable
        reset && create
 }
@@ -176,4 +171,5 @@ rc=1
 reset && create
 do_tests
 reset
+_cleanup
 exit 0
diff --git a/test/btt-errors.sh b/test/btt-errors.sh
index 25f856e..4d9484b 100755
--- a/test/btt-errors.sh
+++ b/test/btt-errors.sh
@@ -11,11 +11,9 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
 
-NDCTL="../ndctl/ndctl"
 BUS="nfit_test.0"
 MNT=test_btt_mnt
 FILE=image
-json2var="s/[{}\",]//g; s/:/=/g"
 blockdev=""
 rc=77
 
@@ -66,7 +64,7 @@ rc=1
 # create a btt namespace and clear errors (if any)
 dev="x"
 json=$($NDCTL create-namespace -b "$BUS" -t pmem -m sector)
-eval "$(echo "$json" | sed -e "$json2var")"
+eval "$(echo "$json" | json2var)"
 [ $dev = "x" ] && echo "fail: $LINENO" && exit 1
 
 force_raw 1
@@ -142,7 +140,7 @@ $NDCTL zero-labels -b "$BUS" all
 $NDCTL enable-region -b "$BUS" all
 dev="x"
 json=$($NDCTL create-namespace -b "$BUS" -t pmem -m sector)
-eval "$(echo "$json" | sed -e "$json2var")"
+eval "$(echo "$json" | json2var)"
 [ $dev = "x" ] && echo "fail: $LINENO" && exit 1
 
 # insert error at an arbitrary offset in the map (sector 0)
@@ -161,4 +159,5 @@ dd if=/dev/$blockdev of=/dev/null iflag=direct bs=4096 
count=1 && err $LINENO ||
 $NDCTL disable-region -b "$BUS" all
 $NDCTL zero-labels -b "$BUS" all
 $NDCTL enable-region -b "$BUS" all
+_cleanup
 exit 0
diff --git a/test/btt-pad-compat.sh b/test/btt-pad-compat.sh
index eb15296..2c1f271 100755
--- a/test/btt-pad-compat.sh
+++ b/test/btt-pad-compat.sh
@@ -11,11 +11,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
 
-[ -f "../ndctl/ndctl" ] && [ -x "../ndctl/ndctl" ] && ndctl="../ndctl/ndctl"
-[ -f "./ndctl/ndctl" ] && [ -x "./ndctl/ndctl" ] && ndctl="./ndctl/ndctl"
-[ -z "$ndctl" ] && echo "Couldn't find an ndctl binary" && exit 1
-bus="nfit_test.0"
-json2var="s/[{}\",]//g; s/:/=/g"
 dev=""
 size=""
 blockdev=""
@@ -36,9 +31,9 @@ trap 'err $LINENO' ERR
 
 create()
 {
-       json=$($ndctl create-namespace -b "$bus" -t pmem -m sector)
+       json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m sector)
        rc=2
-       eval "$(echo "$json" | sed -e "$json2var")"
+       eval "$(echo "$json" | json2var)"
        [ -n "$dev" ] || err "$LINENO"
        [ -n "$size" ] || err "$LINENO"
        [ -n "$blockdev" ] || err "$LINENO"
@@ -52,9 +47,9 @@ create()
 
 reset()
 {
-       $ndctl disable-region -b "$bus" all
-       $ndctl zero-labels -b "$bus" all
-       $ndctl enable-region -b "$bus" all
+       $NDCTL disable-region -b $NFIT_TEST_BUS0 all
+       $NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+       $NDCTL enable-region -b $NFIT_TEST_BUS0 all
 }
 
 verify_idx()
@@ -90,16 +85,16 @@ cycle_ns()
 {
        local ns="$1"
 
-       $ndctl disable-namespace $ns
-       $ndctl enable-namespace $ns
+       $NDCTL disable-namespace $ns
+       $NDCTL enable-namespace $ns
 }
 
 force_raw()
 {
        raw="$1"
-       $ndctl disable-namespace "$dev"
+       $NDCTL disable-namespace "$dev"
        echo "$raw" > "/sys/bus/nd/devices/$dev/force_raw"
-       $ndctl enable-namespace "$dev"
+       $NDCTL enable-namespace "$dev"
        echo "Set $dev to raw mode: $raw"
        if [[ "$raw" == "1" ]]; then
                raw_bdev=${blockdev%s}
@@ -125,16 +120,16 @@ create_oldfmt_ns()
        # that supports a raw namespace with a 4K sector size, prior to
        # v4.13 raw namespaces are limited to 512-byte sector size.
        rc=77
-       json=$($ndctl create-namespace -b "$bus" -s 64M -t pmem -m raw -l 4096 
-u 00000000-0000-0000-0000-000000000000)
+       json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -s 64M -t pmem -m raw 
-l 4096 -u 00000000-0000-0000-0000-000000000000)
        rc=2
-       eval "$(echo "$json" | sed -e "$json2var")"
+       eval "$(echo "$json" | json2var)"
        [ -n "$dev" ] || err "$LINENO"
        [ -n "$size" ] || err "$LINENO"
        [ $size -gt 0 ] || err "$LINENO"
 
        # reconfig it to sector mode
-       json=$($ndctl create-namespace -b "$bus" -e $dev -m sector --force)
-       eval "$(echo "$json" | sed -e "$json2var")"
+       json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -e $dev -m sector 
--force)
+       eval "$(echo "$json" | json2var)"
        [ -n "$dev" ] || err "$LINENO"
        [ -n "$size" ] || err "$LINENO"
        [ -n "$blockdev" ] || err "$LINENO"
@@ -178,13 +173,13 @@ do_tests()
        verify_idx 0 2
 
        # rewrite log using ndctl, verify conversion to new format
-       $ndctl check-namespace --rewrite-log --repair --force --verbose $dev
+       $NDCTL check-namespace --rewrite-log --repair --force --verbose $dev
        do_random_io "/dev/$blockdev"
        cycle_ns "$dev"
        verify_idx 0 1
 
        # check-namespace again to make sure everything is ok
-       $ndctl check-namespace --force --verbose $dev
+       $NDCTL check-namespace --force --verbose $dev
 
        # the old format btt metadata was created with a null parent uuid,
        # making it 'stickier' than a normally created btt. Be sure to clean
@@ -198,4 +193,5 @@ rc=1
 reset
 do_tests
 reset
+_cleanup
 exit 0
diff --git a/test/clear.sh b/test/clear.sh
index f4b095f..6cc43db 100755
--- a/test/clear.sh
+++ b/test/clear.sh
@@ -13,11 +13,6 @@
 
 set -e
 
-DEV=""
-NDCTL="../ndctl/ndctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
-json2var="s/[{}\",]//g; s/:/=/g"
 rc=77
 
 . ./common
@@ -28,16 +23,16 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
 rc=1
 
 # create pmem
 dev="x"
-json=$($NDCTL create-namespace $BUS -t pmem -m raw)
-eval $(echo $json | sed -e "$json2var")
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m raw)
+eval $(echo $json | json2var)
 [ $dev = "x" ] && echo "fail: $LINENO" && exit 1
 [ $mode != "raw" ] && echo "fail: $LINENO" && exit 1
 
@@ -58,7 +53,7 @@ sector_raw=$sector
 
 # convert pmem to fsdax mode
 json=$($NDCTL create-namespace -m fsdax -f -e $dev)
-eval $(echo $json | sed -e "$json2var")
+eval $(echo $json | json2var)
 [ $mode != "fsdax" ] && echo "fail: $LINENO" && exit 1
 
 # check for errors relative to the offset injected by the pfn device
@@ -77,8 +72,8 @@ fi
 
 if check_min_kver "4.9"; then
        # check for re-appearance of stale badblocks from poison_list
-       $NDCTL disable-region $BUS all
-       $NDCTL enable-region $BUS all
+       $NDCTL disable-region -b $NFIT_TEST_BUS0 all
+       $NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
        # since we have cleared the errors, a disable/reenable shouldn't bring 
them back
        if read sector len < /sys/block/$blockdev/badblocks; then
@@ -87,8 +82,6 @@ if check_min_kver "4.9"; then
        fi
 fi
 
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
diff --git a/test/create.sh b/test/create.sh
index 4a3177b..8d78797 100755
--- a/test/create.sh
+++ b/test/create.sh
@@ -13,10 +13,6 @@
 
 set -e
 
-DEV=""
-NDCTL="../ndctl/ndctl"
-BUS="-b nfit_test.0"
-json2var="s/[{}\",]//g; s/:/=/g"
 SECTOR_SIZE="4096"
 rc=77
 
@@ -28,27 +24,27 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
 rc=1
 
 # create pmem
 dev="x"
-json=$($NDCTL create-namespace $BUS -t pmem -m raw)
-eval $(echo $json | sed -e "$json2var")
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m raw)
+eval $(echo $json | json2var )
 [ $dev = "x" ] && echo "fail: $LINENO" && exit 1
 [ $mode != "raw" ] && echo "fail: $LINENO" &&  exit 1
 
 # convert pmem to fsdax mode
 json=$($NDCTL create-namespace -m fsdax -f -e $dev)
-eval $(echo $json | sed -e "$json2var")
+eval $(echo $json | json2var)
 [ $mode != "fsdax" ] && echo "fail: $LINENO" &&  exit 1
 
 # convert pmem to sector mode
 json=$($NDCTL create-namespace -m sector -l $SECTOR_SIZE -f -e $dev)
-eval $(echo $json | sed -e "$json2var")
+eval $(echo $json | json2var)
 [ $sector_size != $SECTOR_SIZE ] && echo "fail: $LINENO" &&  exit 1
 [ $mode != "sector" ] && echo "fail: $LINENO" &&  exit 1
 
@@ -57,15 +53,17 @@ $NDCTL destroy-namespace -f $dev
 
 # create blk
 dev="x"
-json=$($NDCTL create-namespace $BUS -t blk -m raw -v)
-eval $(echo $json | sed -e "$json2var")
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t blk -m raw -v)
+eval $(echo $json | json2var)
 [ $dev = "x" ] && echo "fail: $LINENO" && exit 1
 [ $mode != "raw" ] && echo "fail: $LINENO" &&  exit 1
 
 # convert blk to sector mode
 json=$($NDCTL create-namespace -m sector -l $SECTOR_SIZE -f -e $dev)
-eval $(echo $json | sed -e "$json2var")
+eval $(echo $json | json2var)
 [ $sector_size != $SECTOR_SIZE ] && echo "fail: $LINENO" &&  exit 1
 [ $mode != "sector" ] && echo "fail: $LINENO" &&  exit 1
 
+_cleanup
+
 exit 0
diff --git a/test/daxdev-errors.sh b/test/daxdev-errors.sh
index 102645d..c5adb72 100755
--- a/test/daxdev-errors.sh
+++ b/test/daxdev-errors.sh
@@ -13,12 +13,6 @@
 
 set -e
 
-DEV=""
-NDCTL="../ndctl/ndctl"
-DAXCTL="../daxctl/daxctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
-json2var="s/[{}\",]//g; s/:/=/g"
 rc=77
 
 . ./common
@@ -29,16 +23,16 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
 rc=1
 
 query=". | sort_by(.available_size) | reverse | .[0].dev"
-region=$($NDCTL list $BUS -t pmem -Ri | jq -r "$query")
+region=$($NDCTL list -b $NFIT_TEST_BUS0 -t pmem -Ri | jq -r "$query")
 
-json=$($NDCTL create-namespace $BUS -r $region -t pmem -m devdax -a 4096)
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -r $region -t pmem -m devdax 
-a 4096)
 chardev=$(echo $json | jq ". | select(.mode == \"devdax\") | 
.daxregion.devices[0].chardev")
 
 #{
@@ -59,12 +53,12 @@ chardev=$(echo $json | jq ". | select(.mode == \"devdax\") 
| .daxregion.devices[
 #  }
 #}
 
-json1=$($NDCTL list $BUS --mode=devdax --namespaces)
-eval $(echo $json1 | sed -e "$json2var")
+json1=$($NDCTL list -b $NFIT_TEST_BUS0 --mode=devdax --namespaces)
+eval $(echo $json1 | json2var)
 nsdev=$dev
 
-json1=$($NDCTL list $BUS)
-eval $(echo $json1 | sed -e "$json2var")
+json1=$($NDCTL list -b $NFIT_TEST_BUS0)
+eval $(echo $json1 | json2var)
 busdev=$dev
 
 # inject errors in the middle of the namespace
@@ -87,9 +81,6 @@ if read sector len < 
/sys/bus/platform/devices/nfit_test.0/$busdev/$region/badbl
 fi
 [ -n "$sector" ] && echo "fail: $LINENO" && exit 1
 
-# cleanup
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
diff --git a/test/firmware-update.sh b/test/firmware-update.sh
index aec10ff..50674a6 100755
--- a/test/firmware-update.sh
+++ b/test/firmware-update.sh
@@ -2,12 +2,6 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright(c) 2018 Intel Corporation. All rights reserved.
 
-[ -f "../ndctl/ndctl" ] && [ -x "../ndctl/ndctl" ] && ndctl="../ndctl/ndctl"
-[ -f "./ndctl/ndctl" ] && [ -x "./ndctl/ndctl" ] && ndctl="./ndctl/ndctl"
-[ -z "$ndctl" ] && echo "Couldn't find an ndctl binary" && exit 1
-bus="nfit_test.0"
-bus1="nfit_test.1"
-json2var="s/[{}\",]//g; s/:/=/g"
 rc=77
 dev=""
 image="update-fw.img"
@@ -18,31 +12,24 @@ trap 'err $LINENO' ERR
 
 reset()
 {
-       $ndctl disable-region -b "$bus" all
-       $ndctl zero-labels -b "$bus" all
-       $ndctl enable-region -b "$bus" all
+       $NDCTL disable-region -b $NFIT_TEST_BUS0 all
+       $NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+       $NDCTL enable-region -b $NFIT_TEST_BUS0 all
        if [ -f $image ]; then
                rm -f $image
        fi
 }
 
-cleanup()
-{
-       $ndctl disable-region -b "$bus" all
-       $ndctl disable-region -b "$bus1" all
-       modprobe -r nfit_test
-}
-
 detect()
 {
-       dev=$($ndctl list -b "$bus" -D | jq .[0].dev | tr -d '"')
+       dev=$($NDCTL list -b $NFIT_TEST_BUS0 -D | jq .[0].dev | tr -d '"')
        [ -n "$dev" ] || err "$LINENO"
 }
 
 do_tests()
 {
        truncate -s 196608 $image
-       $ndctl update-firmware -f $image $dev
+       $NDCTL update-firmware -f $image $dev
 }
 
 check_min_kver "4.16" || do_skip "may lack firmware update test handling"
@@ -53,5 +40,5 @@ reset
 rc=2
 detect
 do_tests
-cleanup
+_cleanup
 exit 0
diff --git a/test/inject-error.sh b/test/inject-error.sh
index a8b7c1b..7bda35b 100755
--- a/test/inject-error.sh
+++ b/test/inject-error.sh
@@ -11,11 +11,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
 
-[ -f "../ndctl/ndctl" ] && [ -x "../ndctl/ndctl" ] && ndctl="../ndctl/ndctl"
-[ -f "./ndctl/ndctl" ] && [ -x "./ndctl/ndctl" ] && ndctl="./ndctl/ndctl"
-[ -z "$ndctl" ] && echo "Couldn't find an ndctl binary" && exit 1
-bus="nfit_test.0"
-json2var="s/[{}\",]//g; s/:/=/g"
 dev=""
 size=""
 blockdev=""
@@ -40,9 +35,9 @@ check_min_kver "4.15" || do_skip "kernel $KVER may not 
support error injection"
 
 create()
 {
-       json=$($ndctl create-namespace -b "$bus" -t pmem --align=4k)
+       json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem --align=4k)
        rc=2
-       eval "$(echo "$json" | sed -e "$json2var")"
+       eval "$(echo "$json" | json2var)"
        [ -n "$dev" ] || err "$LINENO"
        [ -n "$size" ] || err "$LINENO"
        [ -n "$blockdev" ] || err "$LINENO"
@@ -51,9 +46,9 @@ create()
 
 reset()
 {
-       $ndctl disable-region -b "$bus" all
-       $ndctl zero-labels -b "$bus" all
-       $ndctl enable-region -b "$bus" all
+       $NDCTL disable-region -b $NFIT_TEST_BUS0 all
+       $NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+       $NDCTL enable-region -b $NFIT_TEST_BUS0 all
 }
 
 check_status()
@@ -61,7 +56,7 @@ check_status()
        local sector="$1"
        local count="$2"
 
-       json="$($ndctl inject-error --status $dev)"
+       json="$($NDCTL inject-error --status $dev)"
        [[ "$sector" == "$(jq ".badblocks[0].block" <<< "$json")" ]]
        [[ "$count" == "$(jq ".badblocks[0].count" <<< "$json")" ]]
 }
@@ -69,7 +64,7 @@ check_status()
 do_tests()
 {
        # inject without notification
-       $ndctl inject-error --block=$err_block --count=$err_count --no-notify 
$dev
+       $NDCTL inject-error --block=$err_block --count=$err_count --no-notify 
$dev
        check_status "$err_block" "$err_count"
        if read -r sector len < /sys/block/$blockdev/badblocks; then
                # fail if reading badblocks returns data
@@ -77,11 +72,11 @@ do_tests()
        fi
 
        # clear via err-inj-clear
-       $ndctl inject-error --block=$err_block --count=$err_count --uninject 
$dev
+       $NDCTL inject-error --block=$err_block --count=$err_count --uninject 
$dev
        check_status
 
        # inject normally
-       $ndctl inject-error --block=$err_block --count=$err_count $dev
+       $NDCTL inject-error --block=$err_block --count=$err_count $dev
        check_status "$err_block" "$err_count"
        if read -r sector len < /sys/block/$blockdev/badblocks; then
                test "$sector" -eq "$err_block"
@@ -102,4 +97,5 @@ rc=1
 reset && create
 do_tests
 reset
+_cleanup
 exit 0
diff --git a/test/label-compat.sh b/test/label-compat.sh
index f1fd450..dc6226d 100755
--- a/test/label-compat.sh
+++ b/test/label-compat.sh
@@ -13,9 +13,6 @@
 
 set -e
 
-NDCTL="../ndctl/ndctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
 rc=77
 
 . ./common
@@ -26,12 +23,12 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
 
-# grab the largest pmem region on $BUS
+# grab the largest pmem region on -b $NFIT_TEST_BUS0
 query=". | sort_by(.available_size) | reverse | .[0].dev"
-region=$($NDCTL list $BUS -t pmem -Ri | jq -r "$query")
+region=$($NDCTL list -b $NFIT_TEST_BUS0 -t pmem -Ri | jq -r "$query")
 
 # we assume that $region is comprised of 4 dimms
 query=". | .regions[0].mappings | sort_by(.dimm) | .[].dimm"
@@ -43,7 +40,7 @@ do
        i=$((i+1))
 done
 
-$NDCTL enable-region $BUS all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
 len=$($NDCTL list -r $region -N | jq -r "length")
 
@@ -53,8 +50,6 @@ if [ -z $len ]; then
        exit 1
 fi
 
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
diff --git a/test/multi-dax.sh b/test/multi-dax.sh
index 548fa1a..0829bf2 100755
--- a/test/multi-dax.sh
+++ b/test/multi-dax.sh
@@ -13,12 +13,6 @@
 
 set -e
 
-DEV=""
-NDCTL="../ndctl/ndctl"
-DAXCTL="../daxctl/daxctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
-json2var="s/[{}\",]//g; s/:/=/g"
 rc=77
 
 . ./common
@@ -29,22 +23,19 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 rc=1
 
 query=". | sort_by(.available_size) | reverse | .[0].dev"
-region=$($NDCTL list $BUS -t pmem -Ri | jq -r "$query")
+region=$($NDCTL list -b $NFIT_TEST_BUS0 -t pmem -Ri | jq -r "$query")
 
-json=$($NDCTL create-namespace $BUS -r $region -t pmem -m devdax -a 4096 -s 
16M)
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -r $region -t pmem -m devdax 
-a 4096 -s 16M)
 chardev1=$(echo $json | jq ". | select(.mode == \"devdax\") | 
.daxregion.devices[0].chardev")
-json=$($NDCTL create-namespace $BUS -r $region -t pmem -m devdax -a 4096 -s 
16M)
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -r $region -t pmem -m devdax 
-a 4096 -s 16M)
 chardev2=$(echo $json | jq ". | select(.mode == \"devdax\") | 
.daxregion.devices[0].chardev")
 
-# cleanup
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
diff --git a/test/pmem-errors.sh b/test/pmem-errors.sh
index 11470c6..9553a3f 100755
--- a/test/pmem-errors.sh
+++ b/test/pmem-errors.sh
@@ -2,13 +2,8 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
 
-DEV=""
-NDCTL="../ndctl/ndctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
 MNT=test_dax_mnt
 FILE=image
-json2var="s/[{}\",]//g; s/:/=/g"
 rc=77
 
 . ./common
@@ -33,16 +28,16 @@ trap 'err $LINENO cleanup' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
 
 rc=1
 
 # create pmem
 dev="x"
-json=$($NDCTL create-namespace $BUS -t pmem -m raw)
-eval $(echo $json | sed -e "$json2var")
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m raw)
+eval $(echo $json | json2var)
 [ $dev = "x" ] && echo "fail: $LINENO" && false
 [ $mode != "raw" ] && echo "fail: $LINENO" && false
 
@@ -126,8 +121,6 @@ if [ -n "$blockdev" ]; then
 fi
 rmdir $MNT
 
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
diff --git a/test/rescan-partitions.sh b/test/rescan-partitions.sh
index 337d65d..9c7b7a0 100755
--- a/test/rescan-partitions.sh
+++ b/test/rescan-partitions.sh
@@ -2,8 +2,6 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright(c) 2018 Intel Corporation. All rights reserved.
 
-bus="nfit_test.0"
-json2var="s/[{}\",]//g; s/:/=/g"
 dev=""
 size=""
 blockdev=""
@@ -29,9 +27,9 @@ check_prereq "blockdev"
 
 reset()
 {
-       $ndctl disable-region -b "$bus" all
-       $ndctl zero-labels -b "$bus" all
-       $ndctl enable-region -b "$bus" all
+       $NDCTL disable-region -b $NFIT_TEST_BUS0 all
+       $NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+       $NDCTL enable-region -b $NFIT_TEST_BUS0 all
 }
 
 test_mode()
@@ -39,9 +37,9 @@ test_mode()
        local mode="$1"
 
        # create namespace
-       json=$($ndctl create-namespace -b "$bus" -t pmem -m "$mode")
+       json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m "$mode")
        rc=2
-       eval "$(echo "$json" | sed -e "$json2var")"
+       eval "$(echo "$json" | json2var)"
        [ -n "$dev" ] || err "$LINENO"
        [ -n "$size" ] || err "$LINENO"
        [ -n "$blockdev" ] || err "$LINENO"
@@ -60,8 +58,8 @@ test_mode()
 
        # cycle the namespace, and verify the partition is read
        # without needing to do a blockdev --rereadpt
-       $ndctl disable-namespace $dev
-       $ndctl enable-namespace $dev
+       $NDCTL disable-namespace $dev
+       $NDCTL enable-namespace $dev
        if [ -b /dev/$partdev ]; then
                echo "mode: $mode - partition read successful"
        else
@@ -70,8 +68,8 @@ test_mode()
                err "$LINENO"
        fi
 
-       $ndctl disable-namespace $dev
-       $ndctl destroy-namespace $dev
+       $NDCTL disable-namespace $dev
+       $NDCTL destroy-namespace $dev
 }
 
 modprobe nfit_test
@@ -80,5 +78,5 @@ reset
 test_mode "raw"
 test_mode "fsdax"
 test_mode "sector"
-
+_cleanup
 exit 0
diff --git a/test/sector-mode.sh b/test/sector-mode.sh
index d507788..3576b70 100755
--- a/test/sector-mode.sh
+++ b/test/sector-mode.sh
@@ -11,10 +11,6 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
 
-NDCTL="../ndctl/ndctl"
-BUS="-b nfit_test.0"
-BUS1="-b nfit_test.1"
-TEST=$0
 rc=77
 
 . ./common
@@ -24,25 +20,23 @@ trap 'err $LINENO' ERR
 
 # setup (reset nfit_test dimms)
 modprobe nfit_test
-$NDCTL disable-region $BUS all
-$NDCTL zero-labels $BUS all
-$NDCTL enable-region $BUS all
+$NDCTL disable-region $NFIT_TEST_BUS0 all
+$NDCTL zero-labels $NFIT_TEST_BUS0 all
+$NDCTL enable-region $NFIT_TEST_BUS0 all
 
-$NDCTL disable-region $BUS1 all
-$NDCTL zero-labels $BUS1 all
-$NDCTL enable-region $BUS1 all
+$NDCTL disable-region $NFIT_TEST_BUS1 all
+$NDCTL zero-labels $NFIT_TEST_BUS1 all
+$NDCTL enable-region $NFIT_TEST_BUS1 all
 
 rc=1
 query=". | sort_by(.size) | reverse | .[0].dev"
-NAMESPACE=$($NDCTL list $BUS1 -N | jq -r "$query")
+NAMESPACE=$($NDCTL list $NFIT_TEST_BUS1 -N | jq -r "$query")
 REGION=$($NDCTL list -R --namespace=$NAMESPACE | jq -r ".dev")
 echo 0 > /sys/bus/nd/devices/$REGION/read_only
 $NDCTL create-namespace --no-autolabel -e $NAMESPACE -m sector -f -l 4K
 $NDCTL create-namespace --no-autolabel -e $NAMESPACE -m dax -f -a 4K
 $NDCTL create-namespace --no-autolabel -e $NAMESPACE -m sector -f -l 4K
 
-$NDCTL disable-region $BUS all
-$NDCTL disable-region $BUS1 all
-modprobe -r nfit_test
+_cleanup
 
 exit 0
-- 
2.18.0.rc1

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