10 #include "libqos/libqos.h"
11 #include "libqos/pci.h"
13 /*** Test Setup & Teardown ***/
16 * Launch QEMU with the given command line,
17 * and then set up interrupts and our guest malloc interface.
19 QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap)
23 struct QOSState *qs = g_malloc(sizeof(QOSState));
25 cmdline = g_strdup_vprintf(cmdline_fmt, ap);
26 qs->qts = qtest_start(cmdline);
28 qtest_irq_intercept_in(global_qtest, "ioapic");
29 if (ops && ops->init_allocator) {
30 qs->alloc = ops->init_allocator(ALLOC_NO_FLAGS);
38 * Launch QEMU with the given command line,
39 * and then set up interrupts and our guest malloc interface.
41 QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...)
46 va_start(ap, cmdline_fmt);
47 qs = qtest_vboot(ops, cmdline_fmt, ap);
54 * Tear down the QEMU instance.
56 void qtest_shutdown(QOSState *qs)
58 if (qs->alloc && qs->ops && qs->ops->uninit_allocator) {
59 qs->ops->uninit_allocator(qs->alloc);
66 void set_context(QOSState *s)
68 global_qtest = s->qts;
71 static QDict *qmp_execute(const char *command)
76 fmt = g_strdup_printf("{ 'execute': '%s' }", command);
83 void migrate(QOSState *from, QOSState *to, const char *uri)
92 /* Is the machine currently running? */
93 rsp = qmp_execute("query-status");
94 g_assert(qdict_haskey(rsp, "return"));
95 sub = qdict_get_qdict(rsp, "return");
96 g_assert(qdict_haskey(sub, "running"));
97 running = qdict_get_bool(sub, "running");
100 /* Issue the migrate command. */
101 s = g_strdup_printf("{ 'execute': 'migrate',"
102 "'arguments': { 'uri': '%s' } }",
106 g_assert(qdict_haskey(rsp, "return"));
109 /* Wait for STOP event, but only if we were running: */
111 qmp_eventwait("STOP");
114 /* If we were running, we can wait for an event. */
116 migrate_allocator(from->alloc, to->alloc);
118 qmp_eventwait("RESUME");
122 /* Otherwise, we need to wait: poll until migration is completed. */
124 rsp = qmp_execute("query-migrate");
125 g_assert(qdict_haskey(rsp, "return"));
126 sub = qdict_get_qdict(rsp, "return");
127 g_assert(qdict_haskey(sub, "status"));
128 st = qdict_get_str(sub, "status");
130 /* "setup", "active", "completed", "failed", "cancelled" */
131 if (strcmp(st, "completed") == 0) {
136 if ((strcmp(st, "setup") == 0) || (strcmp(st, "active") == 0)) {
142 fprintf(stderr, "Migration did not complete, status: %s\n", st);
143 g_assert_not_reached();
146 migrate_allocator(from->alloc, to->alloc);
150 bool have_qemu_img(void)
153 const char *path = getenv("QTEST_QEMU_IMG");
158 rpath = realpath(path, NULL);
167 void mkimg(const char *file, const char *fmt, unsigned size_mb)
175 char *qemu_img_abs_path;
177 qemu_img_path = getenv("QTEST_QEMU_IMG");
178 g_assert(qemu_img_path);
179 qemu_img_abs_path = realpath(qemu_img_path, NULL);
180 g_assert(qemu_img_abs_path);
182 cli = g_strdup_printf("%s create -f %s %s %uM", qemu_img_abs_path,
184 ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
186 fprintf(stderr, "%s\n", err->message);
189 g_assert(ret && !err);
191 /* In glib 2.34, we have g_spawn_check_exit_status. in 2.12, we don't.
192 * glib 2.43.91 implementation assumes that any non-zero is an error for
193 * windows, but uses extra precautions for Linux. However,
194 * 0 is only possible if the program exited normally, so that should be
195 * sufficient for our purposes on all platforms, here. */
197 fprintf(stderr, "qemu-img returned status code %d\n", rc);
204 free(qemu_img_abs_path);
207 void mkqcow2(const char *file, unsigned size_mb)
209 return mkimg(file, "qcow2", size_mb);
212 void prepare_blkdebug_script(const char *debug_fn, const char *event)
214 FILE *debug_file = fopen(debug_fn, "w");
217 fprintf(debug_file, "[inject-error]\n");
218 fprintf(debug_file, "event = \"%s\"\n", event);
219 fprintf(debug_file, "errno = \"5\"\n");
220 fprintf(debug_file, "state = \"1\"\n");
221 fprintf(debug_file, "immediately = \"off\"\n");
222 fprintf(debug_file, "once = \"on\"\n");
224 fprintf(debug_file, "[set-state]\n");
225 fprintf(debug_file, "event = \"%s\"\n", event);
226 fprintf(debug_file, "new_state = \"2\"\n");
228 g_assert(!ferror(debug_file));
230 ret = fclose(debug_file);
234 void generate_pattern(void *buffer, size_t len, size_t cycle_len)
237 unsigned char *tx = (unsigned char *)buffer;
241 /* Write an indicative pattern that varies and is unique per-cycle */
243 for (i = 0; i < len; i++) {
245 if (i % cycle_len == 0) {
250 /* force uniqueness by writing an id per-cycle */
251 for (i = 0; i < len / cycle_len; i++) {
253 if (j + sizeof(*sx) <= len) {
254 sx = (size_t *)&tx[j];