105 lines
2.8 KiB
Bash
105 lines
2.8 KiB
Bash
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#!/usr/bin/env bash
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testdir=$(readlink -f $(dirname $0))
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rootdir=$(readlink -f $testdir/../..)
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source $rootdir/test/common/autotest_common.sh
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source $testdir/common.sh
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rpc_py=$rootdir/scripts/rpc.py
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fio_kill() {
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rm -f $testdir/testfile.md5
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rm -f $testdir/config/ftl.json
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rm -f $testdir/random_pattern
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rm -f $file
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killprocess $svcpid
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}
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device=$1
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cache_device=$2
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timeout=240
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data_size_in_blocks=$((65536))
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unmap_size_in_blocks=$((1024))
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if [[ $CONFIG_FIO_PLUGIN != y ]]; then
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echo "FIO not available"
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exit 1
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fi
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export FTL_BDEV_NAME=ftl0
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export FTL_JSON_CONF=$testdir/config/ftl.json
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trap "fio_kill; exit 1" SIGINT SIGTERM EXIT
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"$SPDK_BIN_DIR/spdk_tgt" -m 0x7 &
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svcpid=$!
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waitforlisten $svcpid
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split_bdev=$(create_base_bdev nvme0 $device $((1024 * 101)))
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nv_cache=$(create_nv_cache_bdev nvc0 $cache_device $split_bdev)
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l2p_percentage=60
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l2p_dram_size_mb=$(($(get_bdev_size $split_bdev) * l2p_percentage / 100 / 1024))
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$rpc_py -t $timeout bdev_ftl_create -b ftl0 -d $split_bdev -c $nv_cache --core_mask 7 --l2p_dram_limit $l2p_dram_size_mb --overprovisioning 10
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waitforbdev ftl0
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(
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echo '{"subsystems": ['
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$rpc_py save_subsystem_config -n bdev
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echo ']}'
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) > $FTL_JSON_CONF
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bdev_info=$($rpc_py bdev_get_bdevs -b ftl0)
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nb=$(jq ".[] .num_blocks" <<< "$bdev_info")
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killprocess $svcpid
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# Generate data pattern
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dd if=/dev/urandom bs=4K count=$data_size_in_blocks > $testdir/random_pattern
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# Write data pattern
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"$SPDK_BIN_DIR/spdk_dd" --if=$testdir/random_pattern --ob=ftl0 --json=$FTL_JSON_CONF
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"$SPDK_BIN_DIR/spdk_tgt" -L ftl_init &
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svcpid=$!
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waitforlisten $svcpid
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$rpc_py load_config < $FTL_JSON_CONF
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# Unmap first and last 4MiB
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$rpc_py bdev_ftl_unmap -b ftl0 --lba 0 --num_blocks $((unmap_size_in_blocks))
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$rpc_py bdev_ftl_unmap -b ftl0 --lba $((nb - unmap_size_in_blocks)) --num_blocks $((unmap_size_in_blocks))
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killprocess $svcpid
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# Calculate checksum of the data written
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file=$testdir/data
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"$SPDK_BIN_DIR/spdk_dd" --ib=ftl0 --of=$file --count=$data_size_in_blocks --json=$FTL_JSON_CONF
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cmp --bytes=$((unmap_size_in_blocks * 4096)) $file /dev/zero
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md5sum $file > $testdir/testfile.md5
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# Rewrite the first 4MiB
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"$SPDK_BIN_DIR/spdk_dd" --if=$testdir/random_pattern --ob=ftl0 --count=$((unmap_size_in_blocks)) --json=$FTL_JSON_CONF
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"$SPDK_BIN_DIR/spdk_tgt" -L ftl_init &
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svcpid=$!
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waitforlisten $svcpid
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$rpc_py load_config < $FTL_JSON_CONF
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# Unmap first and last 4MiB
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$rpc_py bdev_ftl_unmap -b ftl0 --lba 0 --num_blocks $((unmap_size_in_blocks))
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$rpc_py bdev_ftl_unmap -b ftl0 --lba $((nb - unmap_size_in_blocks)) --num_blocks $((unmap_size_in_blocks))
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killprocess $svcpid
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# Verify that the checksum matches and the data is consistent
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"$SPDK_BIN_DIR/spdk_dd" --ib=ftl0 --of=$file --count=$data_size_in_blocks --json=$FTL_JSON_CONF
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md5sum -c $testdir/testfile.md5
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trap - SIGINT SIGTERM EXIT
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fio_kill
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