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Commit | Line | Data |
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49ee3590 AL |
1 | /* |
2 | * QTest | |
3 | * | |
4 | * Copyright IBM, Corp. 2012 | |
5 | * Copyright Red Hat, Inc. 2012 | |
872536bf | 6 | * Copyright SUSE LINUX Products GmbH 2013 |
49ee3590 AL |
7 | * |
8 | * Authors: | |
9 | * Anthony Liguori <aliguori@us.ibm.com> | |
10 | * Paolo Bonzini <pbonzini@redhat.com> | |
872536bf | 11 | * Andreas Färber <afaerber@suse.de> |
49ee3590 AL |
12 | * |
13 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
14 | * See the COPYING file in the top-level directory. | |
49ee3590 | 15 | */ |
47e6b297 | 16 | |
681c28a3 | 17 | #include "qemu/osdep.h" |
49ee3590 | 18 | |
49ee3590 AL |
19 | #include <sys/socket.h> |
20 | #include <sys/wait.h> | |
21 | #include <sys/un.h> | |
49ee3590 | 22 | |
50990b16 EB |
23 | #include "libqtest.h" |
24 | #include "qemu/cutils.h" | |
53f99152 | 25 | #include "qapi/error.h" |
0c460dac | 26 | #include "qapi/qmp/json-parser.h" |
563890c7 | 27 | #include "qapi/qmp/json-streamer.h" |
452fcdbc | 28 | #include "qapi/qmp/qdict.h" |
563890c7 | 29 | #include "qapi/qmp/qjson.h" |
47e6b297 | 30 | #include "qapi/qmp/qlist.h" |
fc81fa1e | 31 | #include "qapi/qmp/qstring.h" |
49ee3590 AL |
32 | |
33 | #define MAX_IRQ 256 | |
f5d45791 | 34 | #define SOCKET_TIMEOUT 50 |
49ee3590 AL |
35 | |
36 | QTestState *global_qtest; | |
37 | ||
38 | struct QTestState | |
39 | { | |
40 | int fd; | |
a3ca163c | 41 | int qmp_fd; |
49ee3590 AL |
42 | bool irq_level[MAX_IRQ]; |
43 | GString *rx; | |
cef60c92 | 44 | pid_t qemu_pid; /* our child QEMU process */ |
54ce6f22 | 45 | bool big_endian; |
49ee3590 AL |
46 | }; |
47 | ||
063c23d9 | 48 | static GHookList abrt_hooks; |
d7668251 SH |
49 | static struct sigaction sigact_old; |
50 | ||
49ee3590 AL |
51 | #define g_assert_no_errno(ret) do { \ |
52 | g_assert_cmpint(ret, !=, -1); \ | |
53 | } while (0) | |
54 | ||
54ce6f22 LV |
55 | static int qtest_query_target_endianness(QTestState *s); |
56 | ||
a3ca163c KW |
57 | static int init_socket(const char *socket_path) |
58 | { | |
59 | struct sockaddr_un addr; | |
60 | int sock; | |
61 | int ret; | |
62 | ||
63 | sock = socket(PF_UNIX, SOCK_STREAM, 0); | |
64 | g_assert_no_errno(sock); | |
65 | ||
66 | addr.sun_family = AF_UNIX; | |
67 | snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path); | |
68 | qemu_set_cloexec(sock); | |
69 | ||
70 | do { | |
71 | ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr)); | |
72 | } while (ret == -1 && errno == EINTR); | |
73 | g_assert_no_errno(ret); | |
a7ded163 AF |
74 | ret = listen(sock, 1); |
75 | g_assert_no_errno(ret); | |
a3ca163c KW |
76 | |
77 | return sock; | |
78 | } | |
79 | ||
80 | static int socket_accept(int sock) | |
81 | { | |
82 | struct sockaddr_un addr; | |
83 | socklen_t addrlen; | |
84 | int ret; | |
f8762027 MA |
85 | struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT, |
86 | .tv_usec = 0 }; | |
87 | ||
88 | setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&timeout, | |
89 | sizeof(timeout)); | |
a3ca163c KW |
90 | |
91 | do { | |
535b4563 | 92 | addrlen = sizeof(addr); |
a3ca163c KW |
93 | ret = accept(sock, (struct sockaddr *)&addr, &addrlen); |
94 | } while (ret == -1 && errno == EINTR); | |
a7d915f3 AF |
95 | if (ret == -1) { |
96 | fprintf(stderr, "%s failed: %s\n", __func__, strerror(errno)); | |
97 | } | |
a3ca163c KW |
98 | close(sock); |
99 | ||
100 | return ret; | |
101 | } | |
102 | ||
b15d422a SH |
103 | static void kill_qemu(QTestState *s) |
104 | { | |
105 | if (s->qemu_pid != -1) { | |
106 | kill(s->qemu_pid, SIGTERM); | |
107 | waitpid(s->qemu_pid, NULL, 0); | |
108 | } | |
109 | } | |
110 | ||
041088c7 MA |
111 | static void kill_qemu_hook_func(void *s) |
112 | { | |
113 | kill_qemu(s); | |
114 | } | |
115 | ||
b15d422a SH |
116 | static void sigabrt_handler(int signo) |
117 | { | |
063c23d9 | 118 | g_hook_list_invoke(&abrt_hooks, FALSE); |
d7668251 SH |
119 | } |
120 | ||
121 | static void setup_sigabrt_handler(void) | |
122 | { | |
123 | struct sigaction sigact; | |
124 | ||
125 | /* Catch SIGABRT to clean up on g_assert() failure */ | |
126 | sigact = (struct sigaction){ | |
127 | .sa_handler = sigabrt_handler, | |
128 | .sa_flags = SA_RESETHAND, | |
129 | }; | |
130 | sigemptyset(&sigact.sa_mask); | |
131 | sigaction(SIGABRT, &sigact, &sigact_old); | |
132 | } | |
133 | ||
134 | static void cleanup_sigabrt_handler(void) | |
135 | { | |
136 | sigaction(SIGABRT, &sigact_old, NULL); | |
b15d422a SH |
137 | } |
138 | ||
041088c7 | 139 | void qtest_add_abrt_handler(GHookFunc fn, const void *data) |
063c23d9 MAL |
140 | { |
141 | GHook *hook; | |
142 | ||
143 | /* Only install SIGABRT handler once */ | |
144 | if (!abrt_hooks.is_setup) { | |
145 | g_hook_list_init(&abrt_hooks, sizeof(GHook)); | |
063c23d9 | 146 | } |
24dd1e17 | 147 | setup_sigabrt_handler(); |
063c23d9 MAL |
148 | |
149 | hook = g_hook_alloc(&abrt_hooks); | |
150 | hook->func = fn; | |
151 | hook->data = (void *)data; | |
152 | ||
153 | g_hook_prepend(&abrt_hooks, hook); | |
154 | } | |
155 | ||
db221e66 TH |
156 | static const char *qtest_qemu_binary(void) |
157 | { | |
158 | const char *qemu_bin; | |
159 | ||
160 | qemu_bin = getenv("QTEST_QEMU_BINARY"); | |
161 | if (!qemu_bin) { | |
162 | fprintf(stderr, "Environment variable QTEST_QEMU_BINARY required\n"); | |
163 | exit(1); | |
164 | } | |
165 | ||
166 | return qemu_bin; | |
167 | } | |
168 | ||
ddee57e0 EB |
169 | QTestState *qtest_init_without_qmp_handshake(bool use_oob, |
170 | const char *extra_args) | |
49ee3590 AL |
171 | { |
172 | QTestState *s; | |
8a8fd637 | 173 | int sock, qmpsock, i; |
56db2e58 SH |
174 | gchar *socket_path; |
175 | gchar *qmp_socket_path; | |
49ee3590 | 176 | gchar *command; |
db221e66 | 177 | const char *qemu_binary = qtest_qemu_binary(); |
49ee3590 | 178 | |
790bbb97 | 179 | s = g_new(QTestState, 1); |
49ee3590 | 180 | |
56db2e58 SH |
181 | socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid()); |
182 | qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid()); | |
bb494a50 | 183 | |
d9123d09 PM |
184 | /* It's possible that if an earlier test run crashed it might |
185 | * have left a stale unix socket lying around. Delete any | |
186 | * stale old socket to avoid spurious test failures with | |
187 | * tests/libqtest.c:70:init_socket: assertion failed (ret != -1): (-1 != -1) | |
188 | */ | |
189 | unlink(socket_path); | |
190 | unlink(qmp_socket_path); | |
191 | ||
56db2e58 SH |
192 | sock = init_socket(socket_path); |
193 | qmpsock = init_socket(qmp_socket_path); | |
49ee3590 | 194 | |
041088c7 | 195 | qtest_add_abrt_handler(kill_qemu_hook_func, s); |
b15d422a | 196 | |
cef60c92 SH |
197 | s->qemu_pid = fork(); |
198 | if (s->qemu_pid == 0) { | |
6b029216 | 199 | setenv("QEMU_AUDIO_DRV", "none", true); |
cef60c92 | 200 | command = g_strdup_printf("exec %s " |
49ee3590 | 201 | "-qtest unix:%s,nowait " |
7c282cb4 | 202 | "-qtest-log %s " |
ddee57e0 EB |
203 | "-chardev socket,path=%s,nowait,id=char0 " |
204 | "-mon chardev=char0,mode=control%s " | |
49ee3590 | 205 | "-machine accel=qtest " |
2ad645d2 | 206 | "-display none " |
56db2e58 | 207 | "%s", qemu_binary, socket_path, |
7c282cb4 | 208 | getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null", |
ddee57e0 | 209 | qmp_socket_path, use_oob ? ",x-oob=on" : "", |
49ee3590 | 210 | extra_args ?: ""); |
8a8fd637 AL |
211 | execlp("/bin/sh", "sh", "-c", command, NULL); |
212 | exit(1); | |
49ee3590 AL |
213 | } |
214 | ||
a3ca163c | 215 | s->fd = socket_accept(sock); |
f8762027 MA |
216 | if (s->fd >= 0) { |
217 | s->qmp_fd = socket_accept(qmpsock); | |
218 | } | |
56db2e58 SH |
219 | unlink(socket_path); |
220 | unlink(qmp_socket_path); | |
221 | g_free(socket_path); | |
222 | g_free(qmp_socket_path); | |
49ee3590 | 223 | |
f8762027 MA |
224 | g_assert(s->fd >= 0 && s->qmp_fd >= 0); |
225 | ||
49ee3590 | 226 | s->rx = g_string_new(""); |
49ee3590 AL |
227 | for (i = 0; i < MAX_IRQ; i++) { |
228 | s->irq_level[i] = false; | |
229 | } | |
230 | ||
e0fea6b1 | 231 | if (getenv("QTEST_STOP")) { |
1ad3c6ab | 232 | kill(s->qemu_pid, SIGSTOP); |
e0fea6b1 PB |
233 | } |
234 | ||
54ce6f22 LV |
235 | /* ask endianness of the target */ |
236 | ||
237 | s->big_endian = qtest_query_target_endianness(s); | |
238 | ||
49ee3590 AL |
239 | return s; |
240 | } | |
241 | ||
f66e7ac8 MA |
242 | QTestState *qtest_init(const char *extra_args) |
243 | { | |
ddee57e0 | 244 | QTestState *s = qtest_init_without_qmp_handshake(false, extra_args); |
f66e7ac8 MA |
245 | |
246 | /* Read the QMP greeting and then do the handshake */ | |
247 | qtest_qmp_discard_response(s, ""); | |
248 | qtest_qmp_discard_response(s, "{ 'execute': 'qmp_capabilities' }"); | |
249 | ||
250 | return s; | |
251 | } | |
252 | ||
78b27bad EB |
253 | QTestState *qtest_vstartf(const char *fmt, va_list ap) |
254 | { | |
255 | char *args = g_strdup_vprintf(fmt, ap); | |
256 | QTestState *s; | |
257 | ||
258 | s = qtest_start(args); | |
259 | g_free(args); | |
260 | global_qtest = NULL; | |
261 | return s; | |
262 | } | |
263 | ||
264 | QTestState *qtest_startf(const char *fmt, ...) | |
265 | { | |
266 | va_list ap; | |
267 | QTestState *s; | |
268 | ||
269 | va_start(ap, fmt); | |
270 | s = qtest_vstartf(fmt, ap); | |
271 | va_end(ap); | |
272 | return s; | |
273 | } | |
274 | ||
49ee3590 AL |
275 | void qtest_quit(QTestState *s) |
276 | { | |
063c23d9 MAL |
277 | g_hook_destroy_link(&abrt_hooks, g_hook_find_data(&abrt_hooks, TRUE, s)); |
278 | ||
d7668251 | 279 | /* Uninstall SIGABRT handler on last instance */ |
4fb609ad | 280 | cleanup_sigabrt_handler(); |
d7668251 | 281 | |
b15d422a | 282 | kill_qemu(s); |
fdd26fca MA |
283 | close(s->fd); |
284 | close(s->qmp_fd); | |
285 | g_string_free(s->rx, true); | |
fdd26fca | 286 | g_free(s); |
49ee3590 AL |
287 | } |
288 | ||
563890c7 | 289 | static void socket_send(int fd, const char *buf, size_t size) |
49ee3590 | 290 | { |
563890c7 | 291 | size_t offset; |
49ee3590 AL |
292 | |
293 | offset = 0; | |
294 | while (offset < size) { | |
295 | ssize_t len; | |
296 | ||
563890c7 | 297 | len = write(fd, buf + offset, size - offset); |
49ee3590 AL |
298 | if (len == -1 && errno == EINTR) { |
299 | continue; | |
300 | } | |
301 | ||
302 | g_assert_no_errno(len); | |
303 | g_assert_cmpint(len, >, 0); | |
304 | ||
305 | offset += len; | |
306 | } | |
307 | } | |
308 | ||
563890c7 PB |
309 | static void socket_sendf(int fd, const char *fmt, va_list ap) |
310 | { | |
311 | gchar *str = g_strdup_vprintf(fmt, ap); | |
312 | size_t size = strlen(str); | |
313 | ||
314 | socket_send(fd, str, size); | |
315 | g_free(str); | |
316 | } | |
317 | ||
a3ca163c KW |
318 | static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...) |
319 | { | |
320 | va_list ap; | |
321 | ||
322 | va_start(ap, fmt); | |
323 | socket_sendf(s->fd, fmt, ap); | |
324 | va_end(ap); | |
325 | } | |
326 | ||
49ee3590 AL |
327 | static GString *qtest_recv_line(QTestState *s) |
328 | { | |
329 | GString *line; | |
330 | size_t offset; | |
331 | char *eol; | |
332 | ||
333 | while ((eol = strchr(s->rx->str, '\n')) == NULL) { | |
334 | ssize_t len; | |
335 | char buffer[1024]; | |
336 | ||
337 | len = read(s->fd, buffer, sizeof(buffer)); | |
338 | if (len == -1 && errno == EINTR) { | |
339 | continue; | |
340 | } | |
341 | ||
342 | if (len == -1 || len == 0) { | |
343 | fprintf(stderr, "Broken pipe\n"); | |
344 | exit(1); | |
345 | } | |
346 | ||
347 | g_string_append_len(s->rx, buffer, len); | |
348 | } | |
349 | ||
350 | offset = eol - s->rx->str; | |
351 | line = g_string_new_len(s->rx->str, offset); | |
352 | g_string_erase(s->rx, 0, offset + 1); | |
353 | ||
354 | return line; | |
355 | } | |
356 | ||
357 | static gchar **qtest_rsp(QTestState *s, int expected_args) | |
358 | { | |
359 | GString *line; | |
360 | gchar **words; | |
361 | int i; | |
362 | ||
363 | redo: | |
364 | line = qtest_recv_line(s); | |
365 | words = g_strsplit(line->str, " ", 0); | |
366 | g_string_free(line, TRUE); | |
367 | ||
368 | if (strcmp(words[0], "IRQ") == 0) { | |
50990b16 EB |
369 | long irq; |
370 | int ret; | |
49ee3590 AL |
371 | |
372 | g_assert(words[1] != NULL); | |
373 | g_assert(words[2] != NULL); | |
374 | ||
50990b16 EB |
375 | ret = qemu_strtol(words[2], NULL, 0, &irq); |
376 | g_assert(!ret); | |
49ee3590 AL |
377 | g_assert_cmpint(irq, >=, 0); |
378 | g_assert_cmpint(irq, <, MAX_IRQ); | |
379 | ||
380 | if (strcmp(words[1], "raise") == 0) { | |
381 | s->irq_level[irq] = true; | |
382 | } else { | |
383 | s->irq_level[irq] = false; | |
384 | } | |
385 | ||
386 | g_strfreev(words); | |
387 | goto redo; | |
388 | } | |
389 | ||
390 | g_assert(words[0] != NULL); | |
391 | g_assert_cmpstr(words[0], ==, "OK"); | |
392 | ||
393 | if (expected_args) { | |
394 | for (i = 0; i < expected_args; i++) { | |
395 | g_assert(words[i] != NULL); | |
396 | } | |
397 | } else { | |
398 | g_strfreev(words); | |
399 | } | |
400 | ||
401 | return words; | |
402 | } | |
403 | ||
54ce6f22 LV |
404 | static int qtest_query_target_endianness(QTestState *s) |
405 | { | |
406 | gchar **args; | |
407 | int big_endian; | |
408 | ||
409 | qtest_sendf(s, "endianness\n"); | |
410 | args = qtest_rsp(s, 1); | |
411 | g_assert(strcmp(args[1], "big") == 0 || strcmp(args[1], "little") == 0); | |
412 | big_endian = strcmp(args[1], "big") == 0; | |
413 | g_strfreev(args); | |
414 | ||
415 | return big_endian; | |
416 | } | |
417 | ||
0c460dac SH |
418 | typedef struct { |
419 | JSONMessageParser parser; | |
420 | QDict *response; | |
421 | } QMPResponseParser; | |
422 | ||
95385fe9 | 423 | static void qmp_response(JSONMessageParser *parser, GQueue *tokens) |
a3ca163c | 424 | { |
0c460dac SH |
425 | QMPResponseParser *qmp = container_of(parser, QMPResponseParser, parser); |
426 | QObject *obj; | |
427 | ||
428 | obj = json_parser_parse(tokens, NULL); | |
429 | if (!obj) { | |
430 | fprintf(stderr, "QMP JSON response parsing failed\n"); | |
431 | exit(1); | |
432 | } | |
433 | ||
0c460dac | 434 | g_assert(!qmp->response); |
7dc847eb | 435 | qmp->response = qobject_to(QDict, obj); |
4d96f329 | 436 | g_assert(qmp->response); |
0c460dac SH |
437 | } |
438 | ||
dc47995e | 439 | QDict *qmp_fd_receive(int fd) |
0c460dac SH |
440 | { |
441 | QMPResponseParser qmp; | |
7c282cb4 | 442 | bool log = getenv("QTEST_LOG") != NULL; |
a3ca163c | 443 | |
0c460dac SH |
444 | qmp.response = NULL; |
445 | json_message_parser_init(&qmp.parser, qmp_response); | |
446 | while (!qmp.response) { | |
a3ca163c KW |
447 | ssize_t len; |
448 | char c; | |
449 | ||
dc47995e | 450 | len = read(fd, &c, 1); |
a3ca163c KW |
451 | if (len == -1 && errno == EINTR) { |
452 | continue; | |
453 | } | |
454 | ||
039380a8 AL |
455 | if (len == -1 || len == 0) { |
456 | fprintf(stderr, "Broken pipe\n"); | |
457 | exit(1); | |
458 | } | |
459 | ||
7c282cb4 PB |
460 | if (log) { |
461 | len = write(2, &c, 1); | |
462 | } | |
0c460dac | 463 | json_message_parser_feed(&qmp.parser, &c, 1); |
a3ca163c | 464 | } |
0c460dac SH |
465 | json_message_parser_destroy(&qmp.parser); |
466 | ||
467 | return qmp.response; | |
468 | } | |
469 | ||
dc47995e MAL |
470 | QDict *qtest_qmp_receive(QTestState *s) |
471 | { | |
472 | return qmp_fd_receive(s->qmp_fd); | |
473 | } | |
474 | ||
ba4ed393 JS |
475 | /** |
476 | * Allow users to send a message without waiting for the reply, | |
477 | * in the case that they choose to discard all replies up until | |
478 | * a particular EVENT is received. | |
479 | */ | |
dc47995e | 480 | void qmp_fd_sendv(int fd, const char *fmt, va_list ap) |
66e0c7b1 | 481 | { |
563890c7 PB |
482 | va_list ap_copy; |
483 | QObject *qobj; | |
484 | ||
5229564b EB |
485 | /* qobject_from_jsonv() silently eats leading 0xff as invalid |
486 | * JSON, but we want to test sending them over the wire to force | |
487 | * resyncs */ | |
488 | if (*fmt == '\377') { | |
489 | socket_send(fd, fmt, 1); | |
490 | fmt++; | |
491 | } | |
492 | ||
563890c7 PB |
493 | /* Going through qobject ensures we escape strings properly. |
494 | * This seemingly unnecessary copy is required in case va_list | |
495 | * is an array type. | |
496 | */ | |
497 | va_copy(ap_copy, ap); | |
53f99152 | 498 | qobj = qobject_from_jsonv(fmt, &ap_copy, &error_abort); |
563890c7 PB |
499 | va_end(ap_copy); |
500 | ||
501 | /* No need to send anything for an empty QObject. */ | |
502 | if (qobj) { | |
ae74f187 | 503 | int log = getenv("QTEST_LOG") != NULL; |
563890c7 | 504 | QString *qstr = qobject_to_json(qobj); |
13420ef8 MA |
505 | const char *str; |
506 | ||
507 | /* | |
508 | * BUG: QMP doesn't react to input until it sees a newline, an | |
509 | * object, or an array. Work-around: give it a newline. | |
510 | */ | |
511 | qstring_append_chr(qstr, '\n'); | |
512 | str = qstring_get_str(qstr); | |
563890c7 | 513 | |
ae74f187 MM |
514 | if (log) { |
515 | fprintf(stderr, "%s", str); | |
516 | } | |
563890c7 | 517 | /* Send QMP request */ |
13420ef8 | 518 | socket_send(fd, str, qstring_get_length(qstr)); |
563890c7 PB |
519 | |
520 | QDECREF(qstr); | |
521 | qobject_decref(qobj); | |
522 | } | |
ba4ed393 JS |
523 | } |
524 | ||
dc47995e MAL |
525 | void qtest_async_qmpv(QTestState *s, const char *fmt, va_list ap) |
526 | { | |
527 | qmp_fd_sendv(s->qmp_fd, fmt, ap); | |
528 | } | |
529 | ||
530 | QDict *qmp_fdv(int fd, const char *fmt, va_list ap) | |
531 | { | |
532 | qmp_fd_sendv(fd, fmt, ap); | |
533 | ||
534 | return qmp_fd_receive(fd); | |
535 | } | |
536 | ||
ba4ed393 JS |
537 | QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap) |
538 | { | |
539 | qtest_async_qmpv(s, fmt, ap); | |
66e0c7b1 AF |
540 | |
541 | /* Receive reply */ | |
542 | return qtest_qmp_receive(s); | |
543 | } | |
544 | ||
dc47995e MAL |
545 | QDict *qmp_fd(int fd, const char *fmt, ...) |
546 | { | |
547 | va_list ap; | |
548 | QDict *response; | |
549 | ||
550 | va_start(ap, fmt); | |
551 | response = qmp_fdv(fd, fmt, ap); | |
552 | va_end(ap); | |
553 | return response; | |
554 | } | |
555 | ||
556 | void qmp_fd_send(int fd, const char *fmt, ...) | |
557 | { | |
558 | va_list ap; | |
559 | ||
560 | va_start(ap, fmt); | |
561 | qmp_fd_sendv(fd, fmt, ap); | |
562 | va_end(ap); | |
563 | } | |
564 | ||
0c460dac SH |
565 | QDict *qtest_qmp(QTestState *s, const char *fmt, ...) |
566 | { | |
567 | va_list ap; | |
568 | QDict *response; | |
569 | ||
570 | va_start(ap, fmt); | |
571 | response = qtest_qmpv(s, fmt, ap); | |
572 | va_end(ap); | |
573 | return response; | |
574 | } | |
575 | ||
ba4ed393 JS |
576 | void qtest_async_qmp(QTestState *s, const char *fmt, ...) |
577 | { | |
578 | va_list ap; | |
579 | ||
580 | va_start(ap, fmt); | |
581 | qtest_async_qmpv(s, fmt, ap); | |
582 | va_end(ap); | |
583 | } | |
584 | ||
0c460dac SH |
585 | void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap) |
586 | { | |
587 | QDict *response = qtest_qmpv(s, fmt, ap); | |
588 | QDECREF(response); | |
a3ca163c KW |
589 | } |
590 | ||
0d1aa05e | 591 | void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...) |
b73cf9e9 AF |
592 | { |
593 | va_list ap; | |
0c460dac | 594 | QDict *response; |
b73cf9e9 AF |
595 | |
596 | va_start(ap, fmt); | |
0c460dac | 597 | response = qtest_qmpv(s, fmt, ap); |
b73cf9e9 | 598 | va_end(ap); |
0c460dac | 599 | QDECREF(response); |
b73cf9e9 AF |
600 | } |
601 | ||
7ffe3124 | 602 | QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event) |
8fe941f7 JS |
603 | { |
604 | QDict *response; | |
605 | ||
606 | for (;;) { | |
607 | response = qtest_qmp_receive(s); | |
608 | if ((qdict_haskey(response, "event")) && | |
609 | (strcmp(qdict_get_str(response, "event"), event) == 0)) { | |
7ffe3124 | 610 | return response; |
8fe941f7 JS |
611 | } |
612 | QDECREF(response); | |
613 | } | |
614 | } | |
615 | ||
7ffe3124 JS |
616 | void qtest_qmp_eventwait(QTestState *s, const char *event) |
617 | { | |
618 | QDict *response; | |
619 | ||
620 | response = qtest_qmp_eventwait_ref(s, event); | |
621 | QDECREF(response); | |
622 | } | |
623 | ||
5fb48d96 MA |
624 | char *qtest_hmpv(QTestState *s, const char *fmt, va_list ap) |
625 | { | |
626 | char *cmd; | |
627 | QDict *resp; | |
628 | char *ret; | |
629 | ||
630 | cmd = g_strdup_vprintf(fmt, ap); | |
631 | resp = qtest_qmp(s, "{'execute': 'human-monitor-command'," | |
632 | " 'arguments': {'command-line': %s}}", | |
633 | cmd); | |
634 | ret = g_strdup(qdict_get_try_str(resp, "return")); | |
6bb87be8 TH |
635 | while (ret == NULL && qdict_get_try_str(resp, "event")) { |
636 | /* Ignore asynchronous QMP events */ | |
637 | QDECREF(resp); | |
638 | resp = qtest_qmp_receive(s); | |
639 | ret = g_strdup(qdict_get_try_str(resp, "return")); | |
640 | } | |
5fb48d96 MA |
641 | g_assert(ret); |
642 | QDECREF(resp); | |
643 | g_free(cmd); | |
644 | return ret; | |
645 | } | |
646 | ||
647 | char *qtest_hmp(QTestState *s, const char *fmt, ...) | |
648 | { | |
649 | va_list ap; | |
650 | char *ret; | |
651 | ||
652 | va_start(ap, fmt); | |
653 | ret = qtest_hmpv(s, fmt, ap); | |
654 | va_end(ap); | |
655 | return ret; | |
656 | } | |
8fe941f7 | 657 | |
49ee3590 AL |
658 | const char *qtest_get_arch(void) |
659 | { | |
db221e66 | 660 | const char *qemu = qtest_qemu_binary(); |
49ee3590 AL |
661 | const char *end = strrchr(qemu, '/'); |
662 | ||
663 | return end + strlen("/qemu-system-"); | |
664 | } | |
665 | ||
666 | bool qtest_get_irq(QTestState *s, int num) | |
667 | { | |
668 | /* dummy operation in order to make sure irq is up to date */ | |
669 | qtest_inb(s, 0); | |
670 | ||
671 | return s->irq_level[num]; | |
672 | } | |
673 | ||
674 | static int64_t qtest_clock_rsp(QTestState *s) | |
675 | { | |
676 | gchar **words; | |
677 | int64_t clock; | |
678 | words = qtest_rsp(s, 2); | |
679 | clock = g_ascii_strtoll(words[1], NULL, 0); | |
680 | g_strfreev(words); | |
681 | return clock; | |
682 | } | |
683 | ||
684 | int64_t qtest_clock_step_next(QTestState *s) | |
685 | { | |
686 | qtest_sendf(s, "clock_step\n"); | |
687 | return qtest_clock_rsp(s); | |
688 | } | |
689 | ||
690 | int64_t qtest_clock_step(QTestState *s, int64_t step) | |
691 | { | |
692 | qtest_sendf(s, "clock_step %"PRIi64"\n", step); | |
693 | return qtest_clock_rsp(s); | |
694 | } | |
695 | ||
696 | int64_t qtest_clock_set(QTestState *s, int64_t val) | |
697 | { | |
698 | qtest_sendf(s, "clock_set %"PRIi64"\n", val); | |
699 | return qtest_clock_rsp(s); | |
700 | } | |
701 | ||
702 | void qtest_irq_intercept_out(QTestState *s, const char *qom_path) | |
703 | { | |
704 | qtest_sendf(s, "irq_intercept_out %s\n", qom_path); | |
705 | qtest_rsp(s, 0); | |
706 | } | |
707 | ||
708 | void qtest_irq_intercept_in(QTestState *s, const char *qom_path) | |
709 | { | |
710 | qtest_sendf(s, "irq_intercept_in %s\n", qom_path); | |
711 | qtest_rsp(s, 0); | |
712 | } | |
713 | ||
714 | static void qtest_out(QTestState *s, const char *cmd, uint16_t addr, uint32_t value) | |
715 | { | |
716 | qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value); | |
717 | qtest_rsp(s, 0); | |
718 | } | |
719 | ||
720 | void qtest_outb(QTestState *s, uint16_t addr, uint8_t value) | |
721 | { | |
722 | qtest_out(s, "outb", addr, value); | |
723 | } | |
724 | ||
725 | void qtest_outw(QTestState *s, uint16_t addr, uint16_t value) | |
726 | { | |
727 | qtest_out(s, "outw", addr, value); | |
728 | } | |
729 | ||
730 | void qtest_outl(QTestState *s, uint16_t addr, uint32_t value) | |
731 | { | |
732 | qtest_out(s, "outl", addr, value); | |
733 | } | |
734 | ||
735 | static uint32_t qtest_in(QTestState *s, const char *cmd, uint16_t addr) | |
736 | { | |
737 | gchar **args; | |
50990b16 EB |
738 | int ret; |
739 | unsigned long value; | |
49ee3590 AL |
740 | |
741 | qtest_sendf(s, "%s 0x%x\n", cmd, addr); | |
742 | args = qtest_rsp(s, 2); | |
50990b16 EB |
743 | ret = qemu_strtoul(args[1], NULL, 0, &value); |
744 | g_assert(!ret && value <= UINT32_MAX); | |
49ee3590 AL |
745 | g_strfreev(args); |
746 | ||
747 | return value; | |
748 | } | |
749 | ||
750 | uint8_t qtest_inb(QTestState *s, uint16_t addr) | |
751 | { | |
752 | return qtest_in(s, "inb", addr); | |
753 | } | |
754 | ||
755 | uint16_t qtest_inw(QTestState *s, uint16_t addr) | |
756 | { | |
757 | return qtest_in(s, "inw", addr); | |
758 | } | |
759 | ||
760 | uint32_t qtest_inl(QTestState *s, uint16_t addr) | |
761 | { | |
762 | return qtest_in(s, "inl", addr); | |
763 | } | |
764 | ||
872536bf AF |
765 | static void qtest_write(QTestState *s, const char *cmd, uint64_t addr, |
766 | uint64_t value) | |
767 | { | |
768 | qtest_sendf(s, "%s 0x%" PRIx64 " 0x%" PRIx64 "\n", cmd, addr, value); | |
769 | qtest_rsp(s, 0); | |
770 | } | |
771 | ||
772 | void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value) | |
773 | { | |
774 | qtest_write(s, "writeb", addr, value); | |
775 | } | |
776 | ||
777 | void qtest_writew(QTestState *s, uint64_t addr, uint16_t value) | |
778 | { | |
779 | qtest_write(s, "writew", addr, value); | |
780 | } | |
781 | ||
782 | void qtest_writel(QTestState *s, uint64_t addr, uint32_t value) | |
783 | { | |
784 | qtest_write(s, "writel", addr, value); | |
785 | } | |
786 | ||
787 | void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value) | |
788 | { | |
789 | qtest_write(s, "writeq", addr, value); | |
790 | } | |
791 | ||
792 | static uint64_t qtest_read(QTestState *s, const char *cmd, uint64_t addr) | |
793 | { | |
794 | gchar **args; | |
50990b16 | 795 | int ret; |
872536bf AF |
796 | uint64_t value; |
797 | ||
798 | qtest_sendf(s, "%s 0x%" PRIx64 "\n", cmd, addr); | |
799 | args = qtest_rsp(s, 2); | |
50990b16 EB |
800 | ret = qemu_strtou64(args[1], NULL, 0, &value); |
801 | g_assert(!ret); | |
872536bf AF |
802 | g_strfreev(args); |
803 | ||
804 | return value; | |
805 | } | |
806 | ||
807 | uint8_t qtest_readb(QTestState *s, uint64_t addr) | |
808 | { | |
809 | return qtest_read(s, "readb", addr); | |
810 | } | |
811 | ||
812 | uint16_t qtest_readw(QTestState *s, uint64_t addr) | |
813 | { | |
814 | return qtest_read(s, "readw", addr); | |
815 | } | |
816 | ||
817 | uint32_t qtest_readl(QTestState *s, uint64_t addr) | |
818 | { | |
819 | return qtest_read(s, "readl", addr); | |
820 | } | |
821 | ||
822 | uint64_t qtest_readq(QTestState *s, uint64_t addr) | |
823 | { | |
824 | return qtest_read(s, "readq", addr); | |
825 | } | |
826 | ||
49ee3590 AL |
827 | static int hex2nib(char ch) |
828 | { | |
829 | if (ch >= '0' && ch <= '9') { | |
830 | return ch - '0'; | |
831 | } else if (ch >= 'a' && ch <= 'f') { | |
832 | return 10 + (ch - 'a'); | |
833 | } else if (ch >= 'A' && ch <= 'F') { | |
834 | return 10 + (ch - 'a'); | |
835 | } else { | |
836 | return -1; | |
837 | } | |
838 | } | |
839 | ||
840 | void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size) | |
841 | { | |
842 | uint8_t *ptr = data; | |
843 | gchar **args; | |
844 | size_t i; | |
845 | ||
204febd1 GK |
846 | if (!size) { |
847 | return; | |
848 | } | |
849 | ||
ea7697fc | 850 | qtest_sendf(s, "read 0x%" PRIx64 " 0x%zx\n", addr, size); |
49ee3590 AL |
851 | args = qtest_rsp(s, 2); |
852 | ||
853 | for (i = 0; i < size; i++) { | |
854 | ptr[i] = hex2nib(args[1][2 + (i * 2)]) << 4; | |
855 | ptr[i] |= hex2nib(args[1][2 + (i * 2) + 1]); | |
856 | } | |
857 | ||
858 | g_strfreev(args); | |
859 | } | |
860 | ||
eeddd59f LV |
861 | uint64_t qtest_rtas_call(QTestState *s, const char *name, |
862 | uint32_t nargs, uint64_t args, | |
863 | uint32_t nret, uint64_t ret) | |
864 | { | |
865 | qtest_sendf(s, "rtas %s %u 0x%"PRIx64" %u 0x%"PRIx64"\n", | |
866 | name, nargs, args, nret, ret); | |
867 | qtest_rsp(s, 0); | |
868 | return 0; | |
869 | } | |
870 | ||
041088c7 | 871 | void qtest_add_func(const char *str, void (*fn)(void)) |
49ee3590 AL |
872 | { |
873 | gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str); | |
874 | g_test_add_func(path, fn); | |
a7afc6b8 | 875 | g_free(path); |
49ee3590 AL |
876 | } |
877 | ||
822e36ca MAL |
878 | void qtest_add_data_func_full(const char *str, void *data, |
879 | void (*fn)(const void *), | |
880 | GDestroyNotify data_free_func) | |
881 | { | |
882 | gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str); | |
822e36ca | 883 | g_test_add_data_func_full(path, data, fn, data_free_func); |
822e36ca MAL |
884 | g_free(path); |
885 | } | |
886 | ||
041088c7 MA |
887 | void qtest_add_data_func(const char *str, const void *data, |
888 | void (*fn)(const void *)) | |
7949c0e3 AF |
889 | { |
890 | gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str); | |
891 | g_test_add_data_func(path, data, fn); | |
892 | g_free(path); | |
893 | } | |
894 | ||
7a6a740d JS |
895 | void qtest_bufwrite(QTestState *s, uint64_t addr, const void *data, size_t size) |
896 | { | |
897 | gchar *bdata; | |
898 | ||
899 | bdata = g_base64_encode(data, size); | |
900 | qtest_sendf(s, "b64write 0x%" PRIx64 " 0x%zx ", addr, size); | |
901 | socket_send(s->fd, bdata, strlen(bdata)); | |
902 | socket_send(s->fd, "\n", 1); | |
903 | qtest_rsp(s, 0); | |
904 | g_free(bdata); | |
905 | } | |
906 | ||
907 | void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size) | |
908 | { | |
909 | gchar **args; | |
910 | size_t len; | |
911 | ||
912 | qtest_sendf(s, "b64read 0x%" PRIx64 " 0x%zx\n", addr, size); | |
913 | args = qtest_rsp(s, 2); | |
914 | ||
915 | g_base64_decode_inplace(args[1], &len); | |
916 | if (size != len) { | |
917 | fprintf(stderr, "bufread: asked for %zu bytes but decoded %zu\n", | |
918 | size, len); | |
919 | len = MIN(len, size); | |
920 | } | |
921 | ||
922 | memcpy(data, args[1], len); | |
923 | g_strfreev(args); | |
924 | } | |
925 | ||
49ee3590 AL |
926 | void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size) |
927 | { | |
928 | const uint8_t *ptr = data; | |
929 | size_t i; | |
204febd1 GK |
930 | char *enc; |
931 | ||
932 | if (!size) { | |
933 | return; | |
934 | } | |
935 | ||
936 | enc = g_malloc(2 * size + 1); | |
49ee3590 | 937 | |
49ee3590 | 938 | for (i = 0; i < size; i++) { |
5560b85a | 939 | sprintf(&enc[i * 2], "%02x", ptr[i]); |
49ee3590 | 940 | } |
5560b85a JS |
941 | |
942 | qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x%s\n", addr, size, enc); | |
49ee3590 | 943 | qtest_rsp(s, 0); |
5560b85a | 944 | g_free(enc); |
49ee3590 | 945 | } |
0100f425 | 946 | |
86298845 JS |
947 | void qtest_memset(QTestState *s, uint64_t addr, uint8_t pattern, size_t size) |
948 | { | |
4d007963 | 949 | qtest_sendf(s, "memset 0x%" PRIx64 " 0x%zx 0x%02x\n", addr, size, pattern); |
86298845 JS |
950 | qtest_rsp(s, 0); |
951 | } | |
952 | ||
0100f425 PM |
953 | QDict *qmp(const char *fmt, ...) |
954 | { | |
955 | va_list ap; | |
956 | QDict *response; | |
957 | ||
958 | va_start(ap, fmt); | |
959 | response = qtest_qmpv(global_qtest, fmt, ap); | |
960 | va_end(ap); | |
961 | return response; | |
962 | } | |
963 | ||
ba4ed393 JS |
964 | void qmp_async(const char *fmt, ...) |
965 | { | |
966 | va_list ap; | |
967 | ||
968 | va_start(ap, fmt); | |
969 | qtest_async_qmpv(global_qtest, fmt, ap); | |
970 | va_end(ap); | |
971 | } | |
972 | ||
0100f425 PM |
973 | void qmp_discard_response(const char *fmt, ...) |
974 | { | |
975 | va_list ap; | |
976 | ||
977 | va_start(ap, fmt); | |
978 | qtest_qmpv_discard_response(global_qtest, fmt, ap); | |
979 | va_end(ap); | |
980 | } | |
5fb48d96 MA |
981 | char *hmp(const char *fmt, ...) |
982 | { | |
983 | va_list ap; | |
984 | char *ret; | |
985 | ||
986 | va_start(ap, fmt); | |
987 | ret = qtest_hmpv(global_qtest, fmt, ap); | |
988 | va_end(ap); | |
989 | return ret; | |
990 | } | |
46e0cf76 | 991 | |
54ce6f22 | 992 | bool qtest_big_endian(QTestState *s) |
46e0cf76 | 993 | { |
54ce6f22 | 994 | return s->big_endian; |
46e0cf76 | 995 | } |
02ef6e87 TH |
996 | |
997 | void qtest_cb_for_every_machine(void (*cb)(const char *machine)) | |
998 | { | |
999 | QDict *response, *minfo; | |
1000 | QList *list; | |
1001 | const QListEntry *p; | |
1002 | QObject *qobj; | |
1003 | QString *qstr; | |
1004 | const char *mname; | |
1005 | ||
1006 | qtest_start("-machine none"); | |
1007 | response = qmp("{ 'execute': 'query-machines' }"); | |
1008 | g_assert(response); | |
1009 | list = qdict_get_qlist(response, "return"); | |
1010 | g_assert(list); | |
1011 | ||
1012 | for (p = qlist_first(list); p; p = qlist_next(p)) { | |
7dc847eb | 1013 | minfo = qobject_to(QDict, qlist_entry_obj(p)); |
02ef6e87 TH |
1014 | g_assert(minfo); |
1015 | qobj = qdict_get(minfo, "name"); | |
1016 | g_assert(qobj); | |
7dc847eb | 1017 | qstr = qobject_to(QString, qobj); |
02ef6e87 TH |
1018 | g_assert(qstr); |
1019 | mname = qstring_get_str(qstr); | |
1020 | cb(mname); | |
1021 | } | |
1022 | ||
1023 | qtest_end(); | |
1024 | QDECREF(response); | |
1025 | } | |
acd80015 TH |
1026 | |
1027 | /* | |
1028 | * Generic hot-plugging test via the device_add QMP command. | |
1029 | */ | |
1030 | void qtest_qmp_device_add(const char *driver, const char *id, const char *fmt, | |
1031 | ...) | |
1032 | { | |
1033 | QDict *response; | |
1034 | char *cmd, *opts = NULL; | |
1035 | va_list va; | |
1036 | ||
1037 | if (fmt) { | |
1038 | va_start(va, fmt); | |
1039 | opts = g_strdup_vprintf(fmt, va); | |
1040 | va_end(va); | |
1041 | } | |
1042 | ||
1043 | cmd = g_strdup_printf("{'execute': 'device_add'," | |
1044 | " 'arguments': { 'driver': '%s', 'id': '%s'%s%s }}", | |
1045 | driver, id, opts ? ", " : "", opts ? opts : ""); | |
1046 | g_free(opts); | |
1047 | ||
1048 | response = qmp(cmd); | |
1049 | g_free(cmd); | |
1050 | g_assert(response); | |
1051 | g_assert(!qdict_haskey(response, "event")); /* We don't expect any events */ | |
1052 | g_assert(!qdict_haskey(response, "error")); | |
1053 | QDECREF(response); | |
1054 | } | |
1055 | ||
1056 | /* | |
1057 | * Generic hot-unplugging test via the device_del QMP command. | |
1058 | * Device deletion will get one response and one event. For example: | |
1059 | * | |
1060 | * {'execute': 'device_del','arguments': { 'id': 'scsi-hd'}} | |
1061 | * | |
1062 | * will get this one: | |
1063 | * | |
1064 | * {"timestamp": {"seconds": 1505289667, "microseconds": 569862}, | |
1065 | * "event": "DEVICE_DELETED", "data": {"device": "scsi-hd", | |
1066 | * "path": "/machine/peripheral/scsi-hd"}} | |
1067 | * | |
1068 | * and this one: | |
1069 | * | |
1070 | * {"return": {}} | |
1071 | * | |
1072 | * But the order of arrival may vary - so we've got to detect both. | |
1073 | */ | |
1074 | void qtest_qmp_device_del(const char *id) | |
1075 | { | |
1076 | QDict *response1, *response2, *event = NULL; | |
1077 | char *cmd; | |
1078 | ||
1079 | cmd = g_strdup_printf("{'execute': 'device_del'," | |
1080 | " 'arguments': { 'id': '%s' }}", id); | |
1081 | response1 = qmp(cmd); | |
1082 | g_free(cmd); | |
1083 | g_assert(response1); | |
1084 | g_assert(!qdict_haskey(response1, "error")); | |
1085 | ||
1086 | response2 = qmp(""); | |
1087 | g_assert(response2); | |
1088 | g_assert(!qdict_haskey(response2, "error")); | |
1089 | ||
1090 | if (qdict_haskey(response1, "event")) { | |
1091 | event = response1; | |
1092 | } else if (qdict_haskey(response2, "event")) { | |
1093 | event = response2; | |
1094 | } | |
1095 | g_assert(event); | |
1096 | g_assert_cmpstr(qdict_get_str(event, "event"), ==, "DEVICE_DELETED"); | |
1097 | ||
1098 | QDECREF(response1); | |
1099 | QDECREF(response2); | |
1100 | } |