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#!/usr/bin/env bash
testdir=$(readlink -f "$(dirname "$0")")
rootdir=$(readlink -f "$testdir/../../")
source "$testdir/common.sh"
nvmes=("$@")
offset_magic() {
local magic_check
local offsets offset
offsets=(16 256 4096) # * bs
for offset in "${offsets[@]}"; do
"${DD_APP[@]}" \
--ib="$bdev0" \
--ob="$bdev1" \
--count="$count" \
--seek="$offset" \
--bs="$bs" \
--json <(gen_conf)
"${DD_APP[@]}" \
--ib="$bdev1" \
--of="$test_file1" \
--count=1 \
--skip="$offset" \
--bs="$bs" \
--json <(gen_conf)
read -rn${#magic} magic_check < "$test_file1"
[[ $magic_check == "$magic" ]]
done
}
cleanup() {
# Zero up to 1G on input bdev, 4G on out bdev to consider offsetting
clear_nvme "$bdev0" "" $((0x40000000 + ${#magic}))
clear_nvme "$bdev1" "" $((0x100000000 + ${#magic}))
rm -f "$test_file0" "$test_file1" "$aio1"
}
trap "cleanup" EXIT
bs=$((1024 << 10))
if ((${#nvmes[@]} > 1)); then
nvme0=Nvme0 bdev0=Nvme0n1 nvme0_pci=${nvmes[0]} # input bdev
nvme1=Nvme1 bdev1=Nvme1n1 nvme1_pci=${nvmes[1]} # output bdev
declare -A method_bdev_nvme_attach_controller_0=(
["name"]=$nvme0
["traddr"]=$nvme0_pci
["trtype"]=pcie
)
declare -A method_bdev_nvme_attach_controller_1=(
["name"]=$nvme1
["traddr"]=$nvme1_pci
["trtype"]=pcie
)
else
# Use AIO to compensate lack of actual hardware
nvme0=Nvme0 bdev0=Nvme0n1 nvme0_pci=${nvmes[0]} # input bdev
aio1=$SPDK_TEST_STORAGE/aio1 bdev1=aio1 # output bdev
declare -A method_bdev_nvme_attach_controller_1=(
["name"]=$nvme0
["traddr"]=$nvme0_pci
["trtype"]=pcie
)
declare -A method_bdev_aio_create_0=(
["name"]=$bdev1
["filename"]=$aio1
["block_size"]=4096
)
# 8G AIO file
"${DD_APP[@]}" \
--if=/dev/zero \
--of="$aio1" \
--bs="$bs" \
--count=8192
fi
test_file0=$SPDK_TEST_STORAGE/dd.dump0
test_file1=$SPDK_TEST_STORAGE/dd.dump1
magic="This Is Our Magic, find it"
echo "$magic" > "$test_file0"
# Make the file a bit bigger (~1GB)
run_test "dd_inflate_file" \
"${DD_APP[@]}" \
--if=/dev/zero \
--of="$test_file0" \
--oflag=append \
--bs="$bs" \
--count=1024
test_file0_size=$(wc -c < "$test_file0")
# Now, copy it over to first nvme with default bs (4k)
run_test "dd_copy_to_out_bdev" \
"${DD_APP[@]}" \
--if="$test_file0" \
--ob="$bdev0" \
--json <(gen_conf)
count=$(((test_file0_size / bs) + 1))
run_test "dd_offset_magic" offset_magic
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