xref: /openbmc/qemu/tests/qemu-iotests/084 (revision 812b31d3)
1#!/usr/bin/env bash
2# group: img quick
3#
4# Test case for VDI header corruption; image too large, and too many blocks.
5# Also simple test for creating dynamic and static VDI images.
6#
7# Copyright (C) 2013 Red Hat, Inc.
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21#
22
23# creator
24owner=jcody@redhat.com
25
26seq=`basename $0`
27echo "QA output created by $seq"
28
29status=1	# failure is the default!
30
31_cleanup()
32{
33	_cleanup_test_img
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40
41# This tests vdi-specific header fields
42_supported_fmt vdi
43_supported_proto file
44_supported_os Linux
45
46size=64M
47ds_offset=368  # disk image size field offset
48bs_offset=376  # block size field offset
49bii_offset=384 # block in image field offset
50
51echo
52echo "=== Statically allocated image creation ==="
53echo
54_make_test_img $size -o static
55_img_info
56stat -c"disk image file size in bytes: %s" "${TEST_IMG}"
57_cleanup_test_img
58
59echo
60echo "=== Testing image size bounds ==="
61echo
62_make_test_img $size
63_img_info
64stat -c"disk image file size in bytes: %s" "${TEST_IMG}"
65
66# check for image size too large
67# poke max image size, and appropriate blocks_in_image value
68echo "Test 1: Maximum size (512 TB - 128 MB):"
69poke_file "$TEST_IMG" "$ds_offset" "\x00\x00\x00\xf8\xff\xff\x01\x00"
70poke_file "$TEST_IMG" "$bii_offset" "\x80\xff\xff\x1f"
71_img_info
72
73echo
74echo "Test 2: Size too large (512 TB - 128 MB + 64 kB)"
75# This should be too large (-EINVAL):
76poke_file "$TEST_IMG" "$ds_offset" "\x00\x00\x01\xf8\xff\xff\x01\x00"
77_img_info
78
79echo
80echo "Test 3: Size valid (64M), but Blocks In Image too small (63)"
81# This sets the size to 64M, but with a blocks_in_image size that is
82# too small
83poke_file "$TEST_IMG" "$ds_offset" "\x00\x00\x00\x04\x00\x00\x00\x00"
84# For a 64M image, we would need a blocks_in_image value of at least 64,
85# so 63 should be too small and give us -ENOTSUP
86poke_file "$TEST_IMG" "$bii_offset" "\x3f\x00\x00\x00"
87_img_info
88
89echo
90echo "Test 4: Size valid (64M), but Blocks In Image exceeds max allowed"
91# Now check the bounds of blocks_in_image - 0x1fffff80 should be the max
92# value here, and we should get -ENOTSUP
93poke_file "$TEST_IMG" "$bii_offset" "\x81\xff\xff\x1f"
94_img_info
95
96# Finally, 1MB is the only block size supported.  Verify that
97# a value != 1MB results in error, both smaller and larger
98echo
99echo "Test 5: Valid Image: 64MB, Blocks In Image 64, Block Size 1MB"
100poke_file "$TEST_IMG" "$bii_offset" "\x40\x00\x00\x00" # reset bii to valid
101poke_file "$TEST_IMG" "$bs_offset" "\x00\x00\x10\x00"  # valid
102_img_info
103echo
104echo "Test 6: Block Size != 1MB; too small test (1MB - 1)"
105poke_file "$TEST_IMG" "$bs_offset" "\xff\xff\x0f\x00"  # invalid (too small)
106_img_info
107echo
108echo "Test 7: Block Size != 1MB; too large test (1MB + 64KB)"
109poke_file "$TEST_IMG" "$bs_offset" "\x00\x00\x11\x00"  # invalid (too large)
110_img_info
111# success, all done
112echo
113echo "*** done"
114rm -f $seq.full
115status=0
116