1 #include "qemu/osdep.h"
5 #include "libqos/libqos.h"
6 #include "libqos/pci.h"
7 #include "qapi/qmp/qdict.h"
9 /*** Test Setup & Teardown ***/
12 * Launch QEMU with the given command line,
13 * and then set up interrupts and our guest malloc interface.
15 * Terminates the application in case an error is encountered.
17 QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap)
21 QOSState *qs = g_new0(QOSState, 1);
23 cmdline = g_strdup_vprintf(cmdline_fmt, ap);
24 qs->qts = qtest_init(cmdline);
27 qs->alloc = ops->init_allocator(qs->qts, ALLOC_NO_FLAGS);
28 qs->pcibus = ops->qpci_init(qs->qts, qs->alloc);
36 * Launch QEMU with the given command line,
37 * and then set up interrupts and our guest malloc interface.
39 QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...)
44 va_start(ap, cmdline_fmt);
45 qs = qtest_vboot(ops, cmdline_fmt, ap);
52 * Tear down the QEMU instance.
54 void qtest_common_shutdown(QOSState *qs)
57 if (qs->pcibus && qs->ops->qpci_free) {
58 qs->ops->qpci_free(qs->pcibus);
61 if (qs->alloc && qs->ops->uninit_allocator) {
62 qs->ops->uninit_allocator(qs->alloc);
70 void qtest_shutdown(QOSState *qs)
72 if (qs->ops && qs->ops->shutdown) {
73 qs->ops->shutdown(qs);
75 qtest_common_shutdown(qs);
79 void set_context(QOSState *s)
81 global_qtest = s->qts;
84 static QDict *qmp_execute(QTestState *qts, const char *command)
86 return qtest_qmp(qts, "{ 'execute': %s }", command);
89 void migrate(QOSState *from, QOSState *to, const char *uri)
97 /* Is the machine currently running? */
98 rsp = qmp_execute(from->qts, "query-status");
99 g_assert(qdict_haskey(rsp, "return"));
100 sub = qdict_get_qdict(rsp, "return");
101 g_assert(qdict_haskey(sub, "running"));
102 running = qdict_get_bool(sub, "running");
105 /* Issue the migrate command. */
106 rsp = qtest_qmp(from->qts,
107 "{ 'execute': 'migrate', 'arguments': { 'uri': %s }}",
109 g_assert(qdict_haskey(rsp, "return"));
112 /* Wait for STOP event, but only if we were running: */
114 qtest_qmp_eventwait(from->qts, "STOP");
117 /* If we were running, we can wait for an event. */
119 migrate_allocator(from->alloc, to->alloc);
121 qtest_qmp_eventwait(to->qts, "RESUME");
125 /* Otherwise, we need to wait: poll until migration is completed. */
127 rsp = qmp_execute(from->qts, "query-migrate");
128 g_assert(qdict_haskey(rsp, "return"));
129 sub = qdict_get_qdict(rsp, "return");
130 g_assert(qdict_haskey(sub, "status"));
131 st = qdict_get_str(sub, "status");
133 /* "setup", "active", "completed", "failed", "cancelled" */
134 if (strcmp(st, "completed") == 0) {
139 if ((strcmp(st, "setup") == 0) || (strcmp(st, "active") == 0)) {
145 fprintf(stderr, "Migration did not complete, status: %s\n", st);
146 g_assert_not_reached();
149 migrate_allocator(from->alloc, to->alloc);
153 bool have_qemu_img(void)
156 const char *path = getenv("QTEST_QEMU_IMG");
161 rpath = realpath(path, NULL);
170 void mkimg(const char *file, const char *fmt, unsigned size_mb)
178 char *qemu_img_abs_path;
180 qemu_img_path = getenv("QTEST_QEMU_IMG");
181 g_assert(qemu_img_path);
182 qemu_img_abs_path = realpath(qemu_img_path, NULL);
183 g_assert(qemu_img_abs_path);
185 cli = g_strdup_printf("%s create -f %s %s %uM", qemu_img_abs_path,
187 ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
189 fprintf(stderr, "%s\n", err->message);
192 g_assert(ret && !err);
194 /* In glib 2.34, we have g_spawn_check_exit_status. in 2.12, we don't.
195 * glib 2.43.91 implementation assumes that any non-zero is an error for
196 * windows, but uses extra precautions for Linux. However,
197 * 0 is only possible if the program exited normally, so that should be
198 * sufficient for our purposes on all platforms, here. */
200 fprintf(stderr, "qemu-img returned status code %d\n", rc);
207 free(qemu_img_abs_path);
210 void mkqcow2(const char *file, unsigned size_mb)
212 return mkimg(file, "qcow2", size_mb);
215 void prepare_blkdebug_script(const char *debug_fn, const char *event)
217 FILE *debug_file = fopen(debug_fn, "w");
220 fprintf(debug_file, "[inject-error]\n");
221 fprintf(debug_file, "event = \"%s\"\n", event);
222 fprintf(debug_file, "errno = \"5\"\n");
223 fprintf(debug_file, "state = \"1\"\n");
224 fprintf(debug_file, "immediately = \"off\"\n");
225 fprintf(debug_file, "once = \"on\"\n");
227 fprintf(debug_file, "[set-state]\n");
228 fprintf(debug_file, "event = \"%s\"\n", event);
229 fprintf(debug_file, "new_state = \"2\"\n");
231 g_assert(!ferror(debug_file));
233 ret = fclose(debug_file);
237 void generate_pattern(void *buffer, size_t len, size_t cycle_len)
240 unsigned char *tx = (unsigned char *)buffer;
244 /* Write an indicative pattern that varies and is unique per-cycle */
246 for (i = 0; i < len; i++) {
248 if (i % cycle_len == 0) {
253 /* force uniqueness by writing an id per-cycle */
254 for (i = 0; i < len / cycle_len; i++) {
256 if (j + sizeof(*sx) <= len) {
257 sx = (size_t *)&tx[j];