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43cd2098 | 1 | /* |
e2f3f221 | 2 | * blockdev.c test cases |
43cd2098 | 3 | * |
e2f3f221 | 4 | * Copyright (C) 2013-2014 Red Hat Inc. |
43cd2098 SH |
5 | * |
6 | * Authors: | |
7 | * Stefan Hajnoczi <stefanha@redhat.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. | |
10 | * See the COPYING.LIB file in the top-level directory. | |
11 | */ | |
12 | ||
681c28a3 | 13 | #include "qemu/osdep.h" |
43cd2098 | 14 | #include "libqtest.h" |
2f84a92e | 15 | #include "libqos/virtio.h" |
452fcdbc | 16 | #include "qapi/qmp/qdict.h" |
43cd2098 | 17 | |
055a1efc MA |
18 | /* TODO actually test the results and get rid of this */ |
19 | #define qmp_discard_response(...) qobject_unref(qmp(__VA_ARGS__)) | |
20 | ||
2eea5cd4 | 21 | static void drive_add(void) |
e2f3f221 | 22 | { |
5fb48d96 | 23 | char *resp = hmp("drive_add 0 if=none,id=drive0"); |
e2f3f221 | 24 | |
5fb48d96 MA |
25 | g_assert_cmpstr(resp, ==, "OK\r\n"); |
26 | g_free(resp); | |
2eea5cd4 MA |
27 | } |
28 | ||
29 | static void drive_del(void) | |
30 | { | |
5fb48d96 | 31 | char *resp = hmp("drive_del drive0"); |
e2f3f221 | 32 | |
5fb48d96 MA |
33 | g_assert_cmpstr(resp, ==, ""); |
34 | g_free(resp); | |
2eea5cd4 MA |
35 | } |
36 | ||
767c86d3 MA |
37 | static void device_del(void) |
38 | { | |
39 | QDict *response; | |
40 | ||
41 | /* Complication: ignore DEVICE_DELETED event */ | |
42 | qmp_discard_response("{'execute': 'device_del'," | |
43 | " 'arguments': { 'id': 'dev0' } }"); | |
44 | response = qmp_receive(); | |
45 | g_assert(response); | |
46 | g_assert(qdict_haskey(response, "return")); | |
cb3e7f08 | 47 | qobject_unref(response); |
767c86d3 MA |
48 | } |
49 | ||
2eea5cd4 MA |
50 | static void test_drive_without_dev(void) |
51 | { | |
52 | /* Start with an empty drive */ | |
53 | qtest_start("-drive if=none,id=drive0"); | |
54 | ||
55 | /* Delete the drive */ | |
56 | drive_del(); | |
e2f3f221 MA |
57 | |
58 | /* Ensure re-adding the drive works - there should be no duplicate ID error | |
59 | * because the old drive must be gone. | |
60 | */ | |
2eea5cd4 | 61 | drive_add(); |
e2f3f221 MA |
62 | |
63 | qtest_end(); | |
64 | } | |
65 | ||
66 | static void test_after_failed_device_add(void) | |
43cd2098 SH |
67 | { |
68 | QDict *response; | |
69 | QDict *error; | |
70 | ||
71 | qtest_start("-drive if=none,id=drive0"); | |
72 | ||
2f84a92e | 73 | /* Make device_add fail. If this leaks the virtio-blk device then a |
43cd2098 SH |
74 | * reference to drive0 will also be held (via qdev properties). |
75 | */ | |
d0e38668 MA |
76 | response = qmp("{'execute': 'device_add'," |
77 | " 'arguments': {" | |
2f84a92e | 78 | " 'driver': 'virtio-blk-%s'," |
d0e38668 | 79 | " 'drive': 'drive0'" |
2f84a92e | 80 | "}}", qvirtio_get_dev_type()); |
43cd2098 SH |
81 | g_assert(response); |
82 | error = qdict_get_qdict(response, "error"); | |
49649f23 | 83 | g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, "GenericError"); |
cb3e7f08 | 84 | qobject_unref(response); |
43cd2098 SH |
85 | |
86 | /* Delete the drive */ | |
2eea5cd4 | 87 | drive_del(); |
43cd2098 SH |
88 | |
89 | /* Try to re-add the drive. This fails with duplicate IDs if a leaked | |
2f84a92e | 90 | * virtio-blk device exists that holds a reference to the old drive0. |
43cd2098 | 91 | */ |
2eea5cd4 | 92 | drive_add(); |
43cd2098 SH |
93 | |
94 | qtest_end(); | |
95 | } | |
96 | ||
767c86d3 MA |
97 | static void test_drive_del_device_del(void) |
98 | { | |
2f84a92e TH |
99 | char *args; |
100 | ||
767c86d3 | 101 | /* Start with a drive used by a device that unplugs instantaneously */ |
2f84a92e TH |
102 | args = g_strdup_printf("-drive if=none,id=drive0,file=null-co://,format=raw" |
103 | " -device virtio-scsi-%s" | |
104 | " -device scsi-hd,drive=drive0,id=dev0", | |
105 | qvirtio_get_dev_type()); | |
106 | qtest_start(args); | |
767c86d3 MA |
107 | |
108 | /* | |
109 | * Delete the drive, and then the device | |
110 | * Doing it in this order takes notoriously tricky special paths | |
111 | */ | |
112 | drive_del(); | |
113 | device_del(); | |
114 | ||
115 | qtest_end(); | |
2f84a92e | 116 | g_free(args); |
767c86d3 MA |
117 | } |
118 | ||
43cd2098 SH |
119 | int main(int argc, char **argv) |
120 | { | |
121 | const char *arch = qtest_get_arch(); | |
122 | ||
43cd2098 SH |
123 | g_test_init(&argc, &argv, NULL); |
124 | ||
e2f3f221 MA |
125 | qtest_add_func("/drive_del/without-dev", test_drive_without_dev); |
126 | ||
2f84a92e | 127 | /* TODO I guess any arch with a hot-pluggable virtio bus would do */ |
059ce0f0 | 128 | if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64") || |
2f84a92e TH |
129 | !strcmp(arch, "ppc") || !strcmp(arch, "ppc64") || |
130 | !strcmp(arch, "s390x")) { | |
e2f3f221 MA |
131 | qtest_add_func("/drive_del/after_failed_device_add", |
132 | test_after_failed_device_add); | |
767c86d3 MA |
133 | qtest_add_func("/blockdev/drive_del_device_del", |
134 | test_drive_del_device_del); | |
e2f3f221 | 135 | } |
43cd2098 SH |
136 | |
137 | return g_test_run(); | |
138 | } |