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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" |
43cd2098 | 16 | |
2eea5cd4 | 17 | static void drive_add(void) |
e2f3f221 | 18 | { |
5fb48d96 | 19 | char *resp = hmp("drive_add 0 if=none,id=drive0"); |
e2f3f221 | 20 | |
5fb48d96 MA |
21 | g_assert_cmpstr(resp, ==, "OK\r\n"); |
22 | g_free(resp); | |
2eea5cd4 MA |
23 | } |
24 | ||
25 | static void drive_del(void) | |
26 | { | |
5fb48d96 | 27 | char *resp = hmp("drive_del drive0"); |
e2f3f221 | 28 | |
5fb48d96 MA |
29 | g_assert_cmpstr(resp, ==, ""); |
30 | g_free(resp); | |
2eea5cd4 MA |
31 | } |
32 | ||
767c86d3 MA |
33 | static void device_del(void) |
34 | { | |
35 | QDict *response; | |
36 | ||
37 | /* Complication: ignore DEVICE_DELETED event */ | |
38 | qmp_discard_response("{'execute': 'device_del'," | |
39 | " 'arguments': { 'id': 'dev0' } }"); | |
40 | response = qmp_receive(); | |
41 | g_assert(response); | |
42 | g_assert(qdict_haskey(response, "return")); | |
43 | QDECREF(response); | |
44 | } | |
45 | ||
2eea5cd4 MA |
46 | static void test_drive_without_dev(void) |
47 | { | |
48 | /* Start with an empty drive */ | |
49 | qtest_start("-drive if=none,id=drive0"); | |
50 | ||
51 | /* Delete the drive */ | |
52 | drive_del(); | |
e2f3f221 MA |
53 | |
54 | /* Ensure re-adding the drive works - there should be no duplicate ID error | |
55 | * because the old drive must be gone. | |
56 | */ | |
2eea5cd4 | 57 | drive_add(); |
e2f3f221 MA |
58 | |
59 | qtest_end(); | |
60 | } | |
61 | ||
62 | static void test_after_failed_device_add(void) | |
43cd2098 SH |
63 | { |
64 | QDict *response; | |
65 | QDict *error; | |
66 | ||
67 | qtest_start("-drive if=none,id=drive0"); | |
68 | ||
2f84a92e | 69 | /* Make device_add fail. If this leaks the virtio-blk device then a |
43cd2098 SH |
70 | * reference to drive0 will also be held (via qdev properties). |
71 | */ | |
d0e38668 MA |
72 | response = qmp("{'execute': 'device_add'," |
73 | " 'arguments': {" | |
2f84a92e | 74 | " 'driver': 'virtio-blk-%s'," |
d0e38668 | 75 | " 'drive': 'drive0'" |
2f84a92e | 76 | "}}", qvirtio_get_dev_type()); |
43cd2098 SH |
77 | g_assert(response); |
78 | error = qdict_get_qdict(response, "error"); | |
49649f23 | 79 | g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, "GenericError"); |
43cd2098 SH |
80 | QDECREF(response); |
81 | ||
82 | /* Delete the drive */ | |
2eea5cd4 | 83 | drive_del(); |
43cd2098 SH |
84 | |
85 | /* Try to re-add the drive. This fails with duplicate IDs if a leaked | |
2f84a92e | 86 | * virtio-blk device exists that holds a reference to the old drive0. |
43cd2098 | 87 | */ |
2eea5cd4 | 88 | drive_add(); |
43cd2098 SH |
89 | |
90 | qtest_end(); | |
91 | } | |
92 | ||
767c86d3 MA |
93 | static void test_drive_del_device_del(void) |
94 | { | |
2f84a92e TH |
95 | char *args; |
96 | ||
767c86d3 | 97 | /* Start with a drive used by a device that unplugs instantaneously */ |
2f84a92e TH |
98 | args = g_strdup_printf("-drive if=none,id=drive0,file=null-co://,format=raw" |
99 | " -device virtio-scsi-%s" | |
100 | " -device scsi-hd,drive=drive0,id=dev0", | |
101 | qvirtio_get_dev_type()); | |
102 | qtest_start(args); | |
767c86d3 MA |
103 | |
104 | /* | |
105 | * Delete the drive, and then the device | |
106 | * Doing it in this order takes notoriously tricky special paths | |
107 | */ | |
108 | drive_del(); | |
109 | device_del(); | |
110 | ||
111 | qtest_end(); | |
2f84a92e | 112 | g_free(args); |
767c86d3 MA |
113 | } |
114 | ||
43cd2098 SH |
115 | int main(int argc, char **argv) |
116 | { | |
117 | const char *arch = qtest_get_arch(); | |
118 | ||
43cd2098 SH |
119 | g_test_init(&argc, &argv, NULL); |
120 | ||
e2f3f221 MA |
121 | qtest_add_func("/drive_del/without-dev", test_drive_without_dev); |
122 | ||
2f84a92e | 123 | /* TODO I guess any arch with a hot-pluggable virtio bus would do */ |
059ce0f0 | 124 | if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64") || |
2f84a92e TH |
125 | !strcmp(arch, "ppc") || !strcmp(arch, "ppc64") || |
126 | !strcmp(arch, "s390x")) { | |
e2f3f221 MA |
127 | qtest_add_func("/drive_del/after_failed_device_add", |
128 | test_after_failed_device_add); | |
767c86d3 MA |
129 | qtest_add_func("/blockdev/drive_del_device_del", |
130 | test_drive_del_device_del); | |
e2f3f221 | 131 | } |
43cd2098 SH |
132 | |
133 | return g_test_run(); | |
134 | } |