xref: /spdk/test/dd/basic_rw.sh (revision eb53c23236cccb6b698b7ca70ee783da1c574b5f) 
1#!/usr/bin/env bash
2#  SPDX-License-Identifier: BSD-3-Clause
3#  Copyright (C) 2020 Intel Corporation
4#  All rights reserved.
5#
6testdir=$(readlink -f "$(dirname "$0")")
7rootdir=$(readlink -f "$testdir/../../")
8source "$testdir/common.sh"
9
10basic_rw() {
11	local native_bs=$1
12	local count size
13	local qds bss
14
15	qds=(1 64)
16	# Generate some bs for tests based on the native_bs
17	for bs in {0..2}; do
18		bss+=($((native_bs << bs)))
19	done
20
21	for bs in "${bss[@]}"; do
22		for qd in "${qds[@]}"; do
23			count=$((0xffff / bs))
24			count=$((count == 0 ? 1 : count))
25			size=$((count * bs))
26
27			gen_bytes "$size" > "$test_file0"
28
29			"${DD_APP[@]}" \
30				--if="$test_file0" \
31				--ob="$bdev0" \
32				--bs="$bs" \
33				--qd="$qd" \
34				--json <(gen_conf)
35
36			"${DD_APP[@]}" \
37				--ib="$bdev0" \
38				--of="$test_file1" \
39				--bs="$bs" \
40				--qd="$qd" \
41				--count="$count" \
42				--json <(gen_conf)
43
44			diff -q "$test_file0" "$test_file1"
45			clear_nvme "$bdev0" "" "$size"
46		done
47	done
48}
49
50basic_offset() {
51	# Check if offsetting works - using default io size of 4k
52	local count seek skip data data_check
53
54	gen_bytes 4096 > "$test_file0"
55	((count = seek = skip = 1))
56	data=$(< "$test_file0")
57
58	"${DD_APP[@]}" \
59		--if="$test_file0" \
60		--ob="$bdev0" \
61		--seek="$seek" \
62		--json <(gen_conf)
63
64	"${DD_APP[@]}" \
65		--ib="$bdev0" \
66		--of="$test_file1" \
67		--skip="$skip" \
68		--count="$count" \
69		--json <(gen_conf)
70
71	read -rn${#data} data_check < "$test_file1"
72	[[ $data == "$data_check" ]]
73}
74
75cleanup() {
76	clear_nvme "$bdev0"
77	rm -f "$test_file0" "$test_file1"
78}
79
80trap "cleanup" EXIT
81
82nvmes=("$@")
83nvme0=Nvme0 nvme0_pci=${nvmes[0]} bdev0=Nvme0n1
84
85declare -A method_bdev_nvme_attach_controller_0=(
86	["name"]=$nvme0
87	["traddr"]=$nvme0_pci
88	["trtype"]=pcie
89)
90
91test_file0=$SPDK_TEST_STORAGE/dd.dump0
92test_file1=$SPDK_TEST_STORAGE/dd.dump1
93native_bs=$(get_native_nvme_bs "$nvme0_pci")
94
95# Test if running with bs < native_bs successfully fails
96run_test "dd_bs_lt_native_bs" \
97	NOT "${DD_APP[@]}" \
98	--if=<(:) \
99	--ob="$bdev0" \
100	--bs=$((native_bs >> 1)) \
101	--json <(gen_conf)
102
103run_test "dd_rw" basic_rw "$native_bs"
104run_test "dd_rw_offset" basic_offset
105