numam-spdk/test/ftl/restore.sh
Wojciech Malikowski f2c8083ef3 lib/ftl: Functional tests
This patch adjust functional tests to
new FTL stack.

Change-Id: I0b8ff08c61793d7f1685942031aecf9cc88d1f24
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468738
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
2020-01-15 12:24:44 +00:00

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#!/usr/bin/env bash
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../..)
source $rootdir/test/common/autotest_common.sh
source $testdir/common.sh
rpc_py=$rootdir/scripts/rpc.py
mount_dir=$(mktemp -d)
while getopts ':u:c:' opt; do
case $opt in
u) uuid=$OPTARG ;;
c) nv_cache=$OPTARG ;;
?) echo "Usage: $0 [-u UUID] [-c NV_CACHE_PCI_BDF] OCSSD_PCI_BDF" && exit 1 ;;
esac
done
shift $((OPTIND -1))
device=$1
num_group=$(get_num_group $device)
num_pu=$(get_num_pu $device)
pu_count=$((num_group * num_pu))
ftl_bdev_conf=$testdir/config/ftl.conf
gen_ftl_nvme_conf > $ftl_bdev_conf
restore_kill() {
if mount | grep $mount_dir; then
umount $mount_dir
fi
rm -rf $mount_dir
rm -f $testdir/testfile.md5
rm -f $testdir/testfile2.md5
rm -f $testdir/config/ftl.json
rm -f $ftl_bdev_conf
killprocess $svcpid
rmmod nbd || true
}
trap "restore_kill; exit 1" SIGINT SIGTERM EXIT
$rootdir/app/spdk_tgt/spdk_tgt -c $ftl_bdev_conf & svcpid=$!
# Wait until spdk_tgt starts
waitforlisten $svcpid
if [ -n "$nv_cache" ]; then
nvc_bdev=$(create_nv_cache_bdev nvc0 $device $nv_cache $pu_count)
fi
$rpc_py bdev_nvme_attach_controller -b nvme0 -a $device -t pcie
$rpc_py bdev_ocssd_create -c nvme0 -b nvme0n1 -n 1
ftl_construct_args="bdev_ftl_create -b ftl0 -d nvme0n1"
[ -n "$uuid" ] && ftl_construct_args+=" -u $uuid"
[ -n "$nv_cache" ] && ftl_construct_args+=" -c $nvc_bdev"
$rpc_py $ftl_construct_args
# Load the nbd driver
modprobe nbd
$rpc_py nbd_start_disk ftl0 /dev/nbd0
waitfornbd nbd0
$rpc_py save_config > $testdir/config/ftl.json
# Prepare the disk by creating ext4 fs and putting a file on it
mkfs.ext4 -F /dev/nbd0
mount /dev/nbd0 $mount_dir
dd if=/dev/urandom of=$mount_dir/testfile bs=4K count=256K
sync
mount -o remount /dev/nbd0 $mount_dir
md5sum $mount_dir/testfile > $testdir/testfile.md5
# Kill bdev service and start it again
umount $mount_dir
killprocess $svcpid
$rootdir/app/spdk_tgt/spdk_tgt -c $ftl_bdev_conf -L ftl_init & svcpid=$!
# Wait until spdk_tgt starts
waitforlisten $svcpid
$rpc_py load_config < $testdir/config/ftl.json
waitfornbd nbd0
mount /dev/nbd0 $mount_dir
# Write second file, to make sure writer thread has restored properly
dd if=/dev/urandom of=$mount_dir/testfile2 bs=4K count=256K
md5sum $mount_dir/testfile2 > $testdir/testfile2.md5
# Make sure second file will be read from disk
echo 3 > /proc/sys/vm/drop_caches
# Check both files have proper data
md5sum -c $testdir/testfile.md5
md5sum -c $testdir/testfile2.md5
trap - SIGINT SIGTERM EXIT
restore_kill