1#include "qemu/osdep.h"
2#include <sys/wait.h>
3
4#include "libqtest.h"
5#include "libqos.h"
6#include "pci.h"
7#include "qapi/qmp/qdict.h"
8
9
10
11
12
13
14
15
16
17QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap)
18{
19 char *cmdline;
20
21 QOSState *qs = g_new0(QOSState, 1);
22
23 cmdline = g_strdup_vprintf(cmdline_fmt, ap);
24 qs->qts = qtest_init(cmdline);
25 qs->ops = ops;
26 if (ops) {
27 ops->alloc_init(&qs->alloc, qs->qts, ALLOC_NO_FLAGS);
28 qs->pcibus = ops->qpci_new(qs->qts, &qs->alloc);
29 }
30
31 g_free(cmdline);
32 return qs;
33}
34
35
36
37
38
39QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...)
40{
41 QOSState *qs;
42 va_list ap;
43
44 va_start(ap, cmdline_fmt);
45 qs = qtest_vboot(ops, cmdline_fmt, ap);
46 va_end(ap);
47
48 return qs;
49}
50
51
52
53
54void qtest_common_shutdown(QOSState *qs)
55{
56 if (qs->ops) {
57 if (qs->pcibus && qs->ops->qpci_free) {
58 qs->ops->qpci_free(qs->pcibus);
59 qs->pcibus = NULL;
60 }
61 }
62 alloc_destroy(&qs->alloc);
63 qtest_quit(qs->qts);
64 g_free(qs);
65}
66
67void qtest_shutdown(QOSState *qs)
68{
69 if (qs->ops && qs->ops->shutdown) {
70 qs->ops->shutdown(qs);
71 } else {
72 qtest_common_shutdown(qs);
73 }
74}
75
76static QDict *qmp_execute(QTestState *qts, const char *command)
77{
78 return qtest_qmp(qts, "{ 'execute': %s }", command);
79}
80
81void migrate(QOSState *from, QOSState *to, const char *uri)
82{
83 const char *st;
84 QDict *rsp, *sub;
85 bool running;
86
87
88 rsp = qmp_execute(from->qts, "query-status");
89 g_assert(qdict_haskey(rsp, "return"));
90 sub = qdict_get_qdict(rsp, "return");
91 g_assert(qdict_haskey(sub, "running"));
92 running = qdict_get_bool(sub, "running");
93 qobject_unref(rsp);
94
95
96 rsp = qtest_qmp(from->qts,
97 "{ 'execute': 'migrate', 'arguments': { 'uri': %s }}",
98 uri);
99 g_assert(qdict_haskey(rsp, "return"));
100 qobject_unref(rsp);
101
102
103 if (running) {
104 qtest_qmp_eventwait(from->qts, "STOP");
105 }
106
107
108 if (running) {
109 migrate_allocator(&from->alloc, &to->alloc);
110 qtest_qmp_eventwait(to->qts, "RESUME");
111 return;
112 }
113
114
115 while (1) {
116 rsp = qmp_execute(from->qts, "query-migrate");
117 g_assert(qdict_haskey(rsp, "return"));
118 sub = qdict_get_qdict(rsp, "return");
119 g_assert(qdict_haskey(sub, "status"));
120 st = qdict_get_str(sub, "status");
121
122
123 if (strcmp(st, "completed") == 0) {
124 qobject_unref(rsp);
125 break;
126 }
127
128 if ((strcmp(st, "setup") == 0) || (strcmp(st, "active") == 0)
129 || (strcmp(st, "wait-unplug") == 0)) {
130 qobject_unref(rsp);
131 g_usleep(5000);
132 continue;
133 }
134
135 fprintf(stderr, "Migration did not complete, status: %s\n", st);
136 g_assert_not_reached();
137 }
138
139 migrate_allocator(&from->alloc, &to->alloc);
140}
141
142bool have_qemu_img(void)
143{
144 char *rpath;
145 const char *path = getenv("QTEST_QEMU_IMG");
146 if (!path) {
147 return false;
148 }
149
150 rpath = realpath(path, NULL);
151 if (!rpath) {
152 return false;
153 } else {
154 free(rpath);
155 return true;
156 }
157}
158
159void mkimg(const char *file, const char *fmt, unsigned size_mb)
160{
161 gchar *cli;
162 bool ret;
163 int rc;
164 GError *err = NULL;
165 char *qemu_img_path;
166 gchar *out, *out2;
167 char *qemu_img_abs_path;
168
169 qemu_img_path = getenv("QTEST_QEMU_IMG");
170 g_assert(qemu_img_path);
171 qemu_img_abs_path = realpath(qemu_img_path, NULL);
172 g_assert(qemu_img_abs_path);
173
174 cli = g_strdup_printf("%s create -f %s %s %uM", qemu_img_abs_path,
175 fmt, file, size_mb);
176 ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
177 if (err || !g_spawn_check_exit_status(rc, &err)) {
178 fprintf(stderr, "%s\n", err->message);
179 g_error_free(err);
180 }
181 g_assert(ret && !err);
182
183 g_free(out);
184 g_free(out2);
185 g_free(cli);
186 free(qemu_img_abs_path);
187}
188
189void mkqcow2(const char *file, unsigned size_mb)
190{
191 return mkimg(file, "qcow2", size_mb);
192}
193
194void prepare_blkdebug_script(const char *debug_fn, const char *event)
195{
196 FILE *debug_file = fopen(debug_fn, "w");
197 int ret;
198
199 fprintf(debug_file, "[inject-error]\n");
200 fprintf(debug_file, "event = \"%s\"\n", event);
201 fprintf(debug_file, "errno = \"5\"\n");
202 fprintf(debug_file, "state = \"1\"\n");
203 fprintf(debug_file, "immediately = \"off\"\n");
204 fprintf(debug_file, "once = \"on\"\n");
205
206 fprintf(debug_file, "[set-state]\n");
207 fprintf(debug_file, "event = \"%s\"\n", event);
208 fprintf(debug_file, "new_state = \"2\"\n");
209 fflush(debug_file);
210 g_assert(!ferror(debug_file));
211
212 ret = fclose(debug_file);
213 g_assert(ret == 0);
214}
215
216void generate_pattern(void *buffer, size_t len, size_t cycle_len)
217{
218 int i, j;
219 unsigned char *tx = (unsigned char *)buffer;
220 unsigned char p;
221 size_t *sx;
222
223
224 p = rand() % 256;
225 for (i = 0; i < len; i++) {
226 tx[i] = p++ % 256;
227 if (i % cycle_len == 0) {
228 p = rand() % 256;
229 }
230 }
231
232
233 for (i = 0; i < len / cycle_len; i++) {
234 j = i * cycle_len;
235 if (j + sizeof(*sx) <= len) {
236 sx = (size_t *)&tx[j];
237 *sx = i;
238 }
239 }
240}
241