| #!/bin/bash -x |
| |
| # Copyright(c) 2015-2017 Intel Corporation. All rights reserved. |
| # |
| # This program is free software; you can redistribute it and/or modify it |
| # under the terms of version 2 of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it will be useful, but |
| # WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # General Public License for more details. |
| |
| DEV="" |
| NDCTL="../ndctl/ndctl" |
| BUS="-b nfit_test.0" |
| BUS1="-b nfit_test.1" |
| json2var="s/[{}\",]//g; s/:/=/g" |
| rc=77 |
| |
| set -e |
| |
| err() { |
| echo "test/clear: failed at line $1" |
| exit $rc |
| } |
| |
| check_min_kver() |
| { |
| local ver="$1" |
| : "${KVER:=$(uname -r)}" |
| |
| [ -n "$ver" ] || return 1 |
| [[ "$ver" == "$(echo -e "$ver\n$KVER" | sort -V | head -1)" ]] |
| } |
| |
| check_min_kver "4.6" || { echo "kernel $KVER lacks clear poison support"; exit $rc; } |
| |
| set -e |
| 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 $BUS all |
| |
| rc=1 |
| |
| # create pmem |
| dev="x" |
| json=$($NDCTL create-namespace $BUS -t pmem -m raw) |
| eval $(echo $json | sed -e "$json2var") |
| [ $dev = "x" ] && echo "fail: $LINENO" && exit 1 |
| [ $mode != "raw" ] && echo "fail: $LINENO" && exit 1 |
| |
| # check for expected errors in the middle of the namespace |
| read sector len < /sys/block/$blockdev/badblocks |
| [ $((sector * 2)) -ne $((size /512)) ] && echo "fail: $LINENO" && exit 1 |
| if dd if=/dev/$blockdev of=/dev/null iflag=direct bs=512 skip=$sector count=$len; then |
| echo "fail: $LINENO" && exit 1 |
| fi |
| |
| size_raw=$size |
| sector_raw=$sector |
| |
| # convert pmem to memory mode |
| json=$($NDCTL create-namespace -m memory -f -e $dev) |
| eval $(echo $json | sed -e "$json2var") |
| [ $mode != "memory" ] && echo "fail: $LINENO" && exit 1 |
| |
| # check for errors relative to the offset injected by the pfn device |
| read sector len < /sys/block/$blockdev/badblocks |
| [ $((sector_raw - sector)) -ne $(((size_raw - size) / 512)) ] && echo "fail: $LINENO" && exit 1 |
| |
| # check that writing clears the errors |
| if ! dd of=/dev/$blockdev if=/dev/zero oflag=direct bs=512 seek=$sector count=$len; then |
| echo "fail: $LINENO" && exit 1 |
| fi |
| |
| if read sector len < /sys/block/$blockdev/badblocks; then |
| # fail if reading badblocks returns data |
| echo "fail: $LINENO" && exit 1 |
| fi |
| |
| if check_min_kver "4.9.0"; then |
| # check for re-appearance of stale badblocks from poison_list |
| $NDCTL disable-region $BUS all |
| $NDCTL enable-region $BUS all |
| |
| # since we have cleared the errors, a disable/reenable shouldn't bring them back |
| if read sector len < /sys/block/$blockdev/badblocks; then |
| # fail if reading badblocks returns data |
| echo "fail: $LINENO" && exit 1 |
| fi |
| fi |
| |
| $NDCTL disable-region $BUS all |
| $NDCTL disable-region $BUS1 all |
| modprobe -r nfit_test |
| |
| exit 0 |