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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
BASE=$(dirname $0)
. $BASE/common
check_min_kver "4.11" || do_skip "may not provide reliable isetcookie values"
check_prereq "jq"
trap 'err $LINENO' ERR
# setup (reset nfit_test dimms)
modprobe nfit_test
$NDCTL disable-region -b $NFIT_TEST_BUS0 all
$NDCTL init-labels -f -b $NFIT_TEST_BUS0 all
# grab the largest pmem region on -b $NFIT_TEST_BUS0
query=". | sort_by(.available_size) | reverse | .[0].dev"
region=$($NDCTL list -b $NFIT_TEST_BUS0 -t pmem -Ri | jq -r "$query")
# we assume that $region is comprised of 4 dimms
query=". | .regions[0].mappings | sort_by(.dimm) | .[].dimm"
dimms=$($NDCTL list -DRi -r $region | jq -r "$query" | xargs)
i=1
for d in $dimms
do
$NDCTL write-labels $d -i $BASE/nmem${i}.bin
i=$((i+1))
done
$NDCTL enable-region -b $NFIT_TEST_BUS0 all
len=$($NDCTL list -r $region -N | jq -r "length")
if [ -z $len ]; then
rc=1
echo "failed to find legacy isetcookie namespace"
exit 1
fi
_cleanup
exit 0
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