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#!/bin/bash -x
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2015-2020 Intel Corporation. All rights reserved.
set -e
rc=77
. $(dirname $0)/common
check_min_kver "4.12" || do_skip "lacks dax dev error handling"
check_prereq "jq"
trap 'err $LINENO' ERR
# setup (reset nfit_test dimms)
modprobe nfit_test
reset
rc=1
query=". | sort_by(.available_size) | reverse | .[0].dev"
region=$($NDCTL list -b $NFIT_TEST_BUS0 -t pmem -Ri | jq -r "$query")
json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -r $region -t pmem -m devdax -a 4096)
chardev=$(echo $json | jq ". | select(.mode == \"devdax\") | .daxregion.devices[0].chardev")
#{
# "dev":"namespace6.0",
# "mode":"devdax",
# "size":64004096,
# "uuid":"83a925dd-42b5-4ac6-8588-6a50bfc0c001",
# "daxregion":{
# "id":6,
# "size":64004096,
# "align":4096,
# "devices":[
# {
# "chardev":"dax6.0",
# "size":64004096
# }
# ]
# }
#}
json1=$($NDCTL list -b $NFIT_TEST_BUS0 --mode=devdax --namespaces)
eval $(echo $json1 | json2var)
nsdev=$dev
json1=$($NDCTL list -b $NFIT_TEST_BUS0)
eval $(echo $json1 | json2var)
busdev=$dev
# inject errors in the middle of the namespace
err_sector="$(((size/512) / 2))"
err_count=8
if ! read sector len < /sys/bus/nd/devices/$region/badblocks; then
$NDCTL inject-error --block="$err_sector" --count=$err_count $nsdev
fi
read sector len < /sys/bus/nd/devices/$region/badblocks
echo "sector: $sector len: $len"
# run the daxdev-errors test
test -x $TEST_PATH/daxdev-errors
$TEST_PATH/daxdev-errors $busdev $region
# check badblocks, should be empty
if read sector len < /sys/bus/platform/devices/nfit_test.0/$busdev/$region/badblocks; then
echo "badblocks empty, expected"
fi
[ -n "$sector" ] && echo "fail: $LINENO" && exit 1
check_dmesg "$LINENO"
_cleanup
exit 0
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