1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
|
/*
* QTest
*
* Copyright IBM, Corp. 2012
* Copyright Red Hat, Inc. 2012
* Copyright SUSE LINUX Products GmbH 2013
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paolo Bonzini <pbonzini@redhat.com>
* Andreas Färber <afaerber@suse.de>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include <sys/socket.h>
#include <sys/wait.h>
#include <sys/un.h>
#include "libqtest.h"
#include "qemu-common.h"
#include "qemu/cutils.h"
#include "qapi/error.h"
#include "qapi/qmp/json-parser.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qstring.h"
#define MAX_IRQ 256
#define SOCKET_TIMEOUT 50
QTestState *global_qtest;
struct QTestState
{
int fd;
int qmp_fd;
bool irq_level[MAX_IRQ];
GString *rx;
pid_t qemu_pid; /* our child QEMU process */
bool big_endian;
};
static GHookList abrt_hooks;
static struct sigaction sigact_old;
static int qtest_query_target_endianness(QTestState *s);
static int init_socket(const char *socket_path)
{
struct sockaddr_un addr;
int sock;
int ret;
sock = socket(PF_UNIX, SOCK_STREAM, 0);
g_assert_cmpint(sock, !=, -1);
addr.sun_family = AF_UNIX;
snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path);
qemu_set_cloexec(sock);
do {
ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
} while (ret == -1 && errno == EINTR);
g_assert_cmpint(ret, !=, -1);
ret = listen(sock, 1);
g_assert_cmpint(ret, !=, -1);
return sock;
}
static int socket_accept(int sock)
{
struct sockaddr_un addr;
socklen_t addrlen;
int ret;
struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
.tv_usec = 0 };
setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&timeout,
sizeof(timeout));
do {
addrlen = sizeof(addr);
ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
} while (ret == -1 && errno == EINTR);
if (ret == -1) {
fprintf(stderr, "%s failed: %s\n", __func__, strerror(errno));
}
close(sock);
return ret;
}
static void kill_qemu(QTestState *s)
{
if (s->qemu_pid != -1) {
int wstatus = 0;
pid_t pid;
kill(s->qemu_pid, SIGTERM);
TFR(pid = waitpid(s->qemu_pid, &wstatus, 0));
assert(pid == s->qemu_pid);
/*
* We expect qemu to exit with status 0; anything else is
* fishy and should be logged with as much detail as possible.
*/
if (wstatus) {
if (WIFEXITED(wstatus)) {
fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU "
"process but encountered exit status %d\n",
__FILE__, __LINE__, WEXITSTATUS(wstatus));
} else if (WIFSIGNALED(wstatus)) {
int sig = WTERMSIG(wstatus);
const char *signame = strsignal(sig) ?: "unknown ???";
const char *dump = WCOREDUMP(wstatus) ? " (core dumped)" : "";
fprintf(stderr, "%s:%d: kill_qemu() detected QEMU death "
"from signal %d (%s)%s\n",
__FILE__, __LINE__, sig, signame, dump);
}
abort();
}
}
}
static void kill_qemu_hook_func(void *s)
{
kill_qemu(s);
}
static void sigabrt_handler(int signo)
{
g_hook_list_invoke(&abrt_hooks, FALSE);
}
static void setup_sigabrt_handler(void)
{
struct sigaction sigact;
/* Catch SIGABRT to clean up on g_assert() failure */
sigact = (struct sigaction){
.sa_handler = sigabrt_handler,
.sa_flags = SA_RESETHAND,
};
sigemptyset(&sigact.sa_mask);
sigaction(SIGABRT, &sigact, &sigact_old);
}
static void cleanup_sigabrt_handler(void)
{
sigaction(SIGABRT, &sigact_old, NULL);
}
void qtest_add_abrt_handler(GHookFunc fn, const void *data)
{
GHook *hook;
/* Only install SIGABRT handler once */
if (!abrt_hooks.is_setup) {
g_hook_list_init(&abrt_hooks, sizeof(GHook));
}
setup_sigabrt_handler();
hook = g_hook_alloc(&abrt_hooks);
hook->func = fn;
hook->data = (void *)data;
g_hook_prepend(&abrt_hooks, hook);
}
static const char *qtest_qemu_binary(void)
{
const char *qemu_bin;
qemu_bin = getenv("QTEST_QEMU_BINARY");
if (!qemu_bin) {
fprintf(stderr, "Environment variable QTEST_QEMU_BINARY required\n");
exit(1);
}
return qemu_bin;
}
QTestState *qtest_init_without_qmp_handshake(bool use_oob,
const char *extra_args)
{
QTestState *s;
int sock, qmpsock, i;
gchar *socket_path;
gchar *qmp_socket_path;
gchar *command;
const char *qemu_binary = qtest_qemu_binary();
s = g_new(QTestState, 1);
socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
/* It's possible that if an earlier test run crashed it might
* have left a stale unix socket lying around. Delete any
* stale old socket to avoid spurious test failures with
* tests/libqtest.c:70:init_socket: assertion failed (ret != -1): (-1 != -1)
*/
unlink(socket_path);
unlink(qmp_socket_path);
sock = init_socket(socket_path);
qmpsock = init_socket(qmp_socket_path);
qtest_add_abrt_handler(kill_qemu_hook_func, s);
command = g_strdup_printf("exec %s "
"-qtest unix:%s,nowait "
"-qtest-log %s "
"-chardev socket,path=%s,nowait,id=char0 "
"-mon chardev=char0,mode=control%s "
"-machine accel=qtest "
"-display none "
"%s", qemu_binary, socket_path,
getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
qmp_socket_path, "",
extra_args ?: "");
g_test_message("starting QEMU: %s", command);
s->qemu_pid = fork();
if (s->qemu_pid == 0) {
setenv("QEMU_AUDIO_DRV", "none", true);
execlp("/bin/sh", "sh", "-c", command, NULL);
exit(1);
}
g_free(command);
s->fd = socket_accept(sock);
if (s->fd >= 0) {
s->qmp_fd = socket_accept(qmpsock);
}
unlink(socket_path);
unlink(qmp_socket_path);
g_free(socket_path);
g_free(qmp_socket_path);
g_assert(s->fd >= 0 && s->qmp_fd >= 0);
s->rx = g_string_new("");
for (i = 0; i < MAX_IRQ; i++) {
s->irq_level[i] = false;
}
if (getenv("QTEST_STOP")) {
kill(s->qemu_pid, SIGSTOP);
}
/* ask endianness of the target */
s->big_endian = qtest_query_target_endianness(s);
return s;
}
QTestState *qtest_init(const char *extra_args)
{
QTestState *s = qtest_init_without_qmp_handshake(false, extra_args);
QDict *greeting;
/* Read the QMP greeting and then do the handshake */
greeting = qtest_qmp_receive(s);
qobject_unref(greeting);
qobject_unref(qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }"));
return s;
}
QTestState *qtest_vinitf(const char *fmt, va_list ap)
{
char *args = g_strdup_vprintf(fmt, ap);
QTestState *s;
s = qtest_init(args);
g_free(args);
return s;
}
QTestState *qtest_initf(const char *fmt, ...)
{
va_list ap;
QTestState *s;
va_start(ap, fmt);
s = qtest_vinitf(fmt, ap);
va_end(ap);
return s;
}
void qtest_quit(QTestState *s)
{
g_hook_destroy_link(&abrt_hooks, g_hook_find_data(&abrt_hooks, TRUE, s));
/* Uninstall SIGABRT handler on last instance */
cleanup_sigabrt_handler();
kill_qemu(s);
close(s->fd);
close(s->qmp_fd);
g_string_free(s->rx, true);
g_free(s);
}
static void socket_send(int fd, const char *buf, size_t size)
{
size_t offset;
offset = 0;
while (offset < size) {
ssize_t len;
len = write(fd, buf + offset, size - offset);
if (len == -1 && errno == EINTR) {
continue;
}
g_assert_cmpint(len, >, 0);
offset += len;
}
}
static void socket_sendf(int fd, const char *fmt, va_list ap)
{
gchar *str = g_strdup_vprintf(fmt, ap);
size_t size = strlen(str);
socket_send(fd, str, size);
g_free(str);
}
static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
socket_sendf(s->fd, fmt, ap);
va_end(ap);
}
static GString *qtest_recv_line(QTestState *s)
{
GString *line;
size_t offset;
char *eol;
while ((eol = strchr(s->rx->str, '\n')) == NULL) {
ssize_t len;
char buffer[1024];
len = read(s->fd, buffer, sizeof(buffer));
if (len == -1 && errno == EINTR) {
continue;
}
if (len == -1 || len == 0) {
fprintf(stderr, "Broken pipe\n");
abort();
}
g_string_append_len(s->rx, buffer, len);
}
offset = eol - s->rx->str;
line = g_string_new_len(s->rx->str, offset);
g_string_erase(s->rx, 0, offset + 1);
return line;
}
static gchar **qtest_rsp(QTestState *s, int expected_args)
{
GString *line;
gchar **words;
int i;
redo:
line = qtest_recv_line(s);
words = g_strsplit(line->str, " ", 0);
g_string_free(line, TRUE);
if (strcmp(words[0], "IRQ") == 0) {
long irq;
int ret;
g_assert(words[1] != NULL);
g_assert(words[2] != NULL);
ret = qemu_strtol(words[2], NULL, 0, &irq);
g_assert(!ret);
g_assert_cmpint(irq, >=, 0);
g_assert_cmpint(irq, <, MAX_IRQ);
if (strcmp(words[1], "raise") == 0) {
s->irq_level[irq] = true;
} else {
s->irq_level[irq] = false;
}
g_strfreev(words);
goto redo;
}
g_assert(words[0] != NULL);
g_assert_cmpstr(words[0], ==, "OK");
if (expected_args) {
for (i = 0; i < expected_args; i++) {
g_assert(words[i] != NULL);
}
} else {
g_strfreev(words);
}
return words;
}
static int qtest_query_target_endianness(QTestState *s)
{
gchar **args;
int big_endian;
qtest_sendf(s, "endianness\n");
args = qtest_rsp(s, 1);
g_assert(strcmp(args[1], "big") == 0 || strcmp(args[1], "little") == 0);
big_endian = strcmp(args[1], "big") == 0;
g_strfreev(args);
return big_endian;
}
typedef struct {
JSONMessageParser parser;
QDict *response;
} QMPResponseParser;
static void qmp_response(void *opaque, QObject *obj, Error *err)
{
QMPResponseParser *qmp = opaque;
assert(!obj != !err);
if (err) {
error_prepend(&err, "QMP JSON response parsing failed: ");
error_report_err(err);
abort();
}
g_assert(!qmp->response);
qmp->response = qobject_to(QDict, obj);
g_assert(qmp->response);
}
QDict *qmp_fd_receive(int fd)
{
QMPResponseParser qmp;
bool log = getenv("QTEST_LOG") != NULL;
qmp.response = NULL;
json_message_parser_init(&qmp.parser, qmp_response, &qmp, NULL);
while (!qmp.response) {
ssize_t len;
char c;
len = read(fd, &c, 1);
if (len == -1 && errno == EINTR) {
continue;
}
if (len == -1 || len == 0) {
fprintf(stderr, "Broken pipe\n");
abort();
}
if (log) {
len = write(2, &c, 1);
}
json_message_parser_feed(&qmp.parser, &c, 1);
}
json_message_parser_destroy(&qmp.parser);
return qmp.response;
}
QDict *qtest_qmp_receive(QTestState *s)
{
return qmp_fd_receive(s->qmp_fd);
}
/**
* Allow users to send a message without waiting for the reply,
* in the case that they choose to discard all replies up until
* a particular EVENT is received.
*/
void qmp_fd_vsend(int fd, const char *fmt, va_list ap)
{
QObject *qobj;
/* Going through qobject ensures we escape strings properly */
qobj = qobject_from_vjsonf_nofail(fmt, ap);
/* No need to send anything for an empty QObject. */
if (qobj) {
int log = getenv("QTEST_LOG") != NULL;
QString *qstr = qobject_to_json(qobj);
const char *str;
/*
* BUG: QMP doesn't react to input until it sees a newline, an
* object, or an array. Work-around: give it a newline.
*/
qstring_append_chr(qstr, '\n');
str = qstring_get_str(qstr);
if (log) {
fprintf(stderr, "%s", str);
}
/* Send QMP request */
socket_send(fd, str, qstring_get_length(qstr));
qobject_unref(qstr);
qobject_unref(qobj);
}
}
void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap)
{
qmp_fd_vsend(s->qmp_fd, fmt, ap);
}
QDict *qmp_fdv(int fd, const char *fmt, va_list ap)
{
qmp_fd_vsend(fd, fmt, ap);
return qmp_fd_receive(fd);
}
QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap)
{
qtest_qmp_vsend(s, fmt, ap);
/* Receive reply */
return qtest_qmp_receive(s);
}
QDict *qmp_fd(int fd, const char *fmt, ...)
{
va_list ap;
QDict *response;
va_start(ap, fmt);
response = qmp_fdv(fd, fmt, ap);
va_end(ap);
return response;
}
void qmp_fd_send(int fd, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
qmp_fd_vsend(fd, fmt, ap);
va_end(ap);
}
QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
{
va_list ap;
QDict *response;
va_start(ap, fmt);
response = qtest_vqmp(s, fmt, ap);
va_end(ap);
return response;
}
void qtest_qmp_send(QTestState *s, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
qtest_qmp_vsend(s, fmt, ap);
va_end(ap);
}
void qmp_fd_vsend_raw(int fd, const char *fmt, va_list ap)
{
bool log = getenv("QTEST_LOG") != NULL;
char *str = g_strdup_vprintf(fmt, ap);
if (log) {
fprintf(stderr, "%s", str);
}
socket_send(fd, str, strlen(str));
g_free(str);
}
void qmp_fd_send_raw(int fd, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
qmp_fd_vsend_raw(fd, fmt, ap);
va_end(ap);
}
void qtest_qmp_send_raw(QTestState *s, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
qmp_fd_vsend_raw(s->qmp_fd, fmt, ap);
va_end(ap);
}
QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event)
{
QDict *response;
for (;;) {
response = qtest_qmp_receive(s);
if ((qdict_haskey(response, "event")) &&
(strcmp(qdict_get_str(response, "event"), event) == 0)) {
return response;
}
qobject_unref(response);
}
}
void qtest_qmp_eventwait(QTestState *s, const char *event)
{
QDict *response;
response = qtest_qmp_eventwait_ref(s, event);
qobject_unref(response);
}
char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
{
char *cmd;
QDict *resp;
char *ret;
cmd = g_strdup_vprintf(fmt, ap);
resp = qtest_qmp(s, "{'execute': 'human-monitor-command',"
" 'arguments': {'command-line': %s}}",
cmd);
ret = g_strdup(qdict_get_try_str(resp, "return"));
while (ret == NULL && qdict_get_try_str(resp, "event")) {
/* Ignore asynchronous QMP events */
qobject_unref(resp);
resp = qtest_qmp_receive(s);
ret = g_strdup(qdict_get_try_str(resp, "return"));
}
g_assert(ret);
qobject_unref(resp);
g_free(cmd);
return ret;
}
char *qtest_hmp(QTestState *s, const char *fmt, ...)
{
va_list ap;
char *ret;
va_start(ap, fmt);
ret = qtest_vhmp(s, fmt, ap);
va_end(ap);
return ret;
}
const char *qtest_get_arch(void)
{
const char *qemu = qtest_qemu_binary();
const char *end = strrchr(qemu, '/');
return end + strlen("/qemu-system-");
}
bool qtest_get_irq(QTestState *s, int num)
{
/* dummy operation in order to make sure irq is up to date */
qtest_inb(s, 0);
return s->irq_level[num];
}
static int64_t qtest_clock_rsp(QTestState *s)
{
gchar **words;
int64_t clock;
words = qtest_rsp(s, 2);
clock = g_ascii_strtoll(words[1], NULL, 0);
g_strfreev(words);
return clock;
}
int64_t qtest_clock_step_next(QTestState *s)
{
qtest_sendf(s, "clock_step\n");
return qtest_clock_rsp(s);
}
int64_t qtest_clock_step(QTestState *s, int64_t step)
{
qtest_sendf(s, "clock_step %"PRIi64"\n", step);
return qtest_clock_rsp(s);
}
int64_t qtest_clock_set(QTestState *s, int64_t val)
{
qtest_sendf(s, "clock_set %"PRIi64"\n", val);
return qtest_clock_rsp(s);
}
void qtest_irq_intercept_out(QTestState *s, const char *qom_path)
{
qtest_sendf(s, "irq_intercept_out %s\n", qom_path);
qtest_rsp(s, 0);
}
void qtest_irq_intercept_in(QTestState *s, const char *qom_path)
{
qtest_sendf(s, "irq_intercept_in %s\n", qom_path);
qtest_rsp(s, 0);
}
static void qtest_out(QTestState *s, const char *cmd, uint16_t addr, uint32_t value)
{
qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value);
qtest_rsp(s, 0);
}
void qtest_outb(QTestState *s, uint16_t addr, uint8_t value)
{
qtest_out(s, "outb", addr, value);
}
void qtest_outw(QTestState *s, uint16_t addr, uint16_t value)
{
qtest_out(s, "outw", addr, value);
}
void qtest_outl(QTestState *s, uint16_t addr, uint32_t value)
{
qtest_out(s, "outl", addr, value);
}
static uint32_t qtest_in(QTestState *s, const char *cmd, uint16_t addr)
{
gchar **args;
int ret;
unsigned long value;
qtest_sendf(s, "%s 0x%x\n", cmd, addr);
args = qtest_rsp(s, 2);
ret = qemu_strtoul(args[1], NULL, 0, &value);
g_assert(!ret && value <= UINT32_MAX);
g_strfreev(args);
return value;
}
uint8_t qtest_inb(QTestState *s, uint16_t addr)
{
return qtest_in(s, "inb", addr);
}
uint16_t qtest_inw(QTestState *s, uint16_t addr)
{
return qtest_in(s, "inw", addr);
}
uint32_t qtest_inl(QTestState *s, uint16_t addr)
{
return qtest_in(s, "inl", addr);
}
static void qtest_write(QTestState *s, const char *cmd, uint64_t addr,
uint64_t value)
{
qtest_sendf(s, "%s 0x%" PRIx64 " 0x%" PRIx64 "\n", cmd, addr, value);
qtest_rsp(s, 0);
}
void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value)
{
qtest_write(s, "writeb", addr, value);
}
void qtest_writew(QTestState *s, uint64_t addr, uint16_t value)
{
qtest_write(s, "writew", addr, value);
}
void qtest_writel(QTestState *s, uint64_t addr, uint32_t value)
{
qtest_write(s, "writel", addr, value);
}
void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value)
{
qtest_write(s, "writeq", addr, value);
}
static uint64_t qtest_read(QTestState *s, const char *cmd, uint64_t addr)
{
gchar **args;
int ret;
uint64_t value;
qtest_sendf(s, "%s 0x%" PRIx64 "\n", cmd, addr);
args = qtest_rsp(s, 2);
ret = qemu_strtou64(args[1], NULL, 0, &value);
g_assert(!ret);
g_strfreev(args);
return value;
}
uint8_t qtest_readb(QTestState *s, uint64_t addr)
{
return qtest_read(s, "readb", addr);
}
uint16_t qtest_readw(QTestState *s, uint64_t addr)
{
return qtest_read(s, "readw", addr);
}
uint32_t qtest_readl(QTestState *s, uint64_t addr)
{
return qtest_read(s, "readl", addr);
}
uint64_t qtest_readq(QTestState *s, uint64_t addr)
{
return qtest_read(s, "readq", addr);
}
static int hex2nib(char ch)
{
if (ch >= '0' && ch <= '9') {
return ch - '0';
} else if (ch >= 'a' && ch <= 'f') {
return 10 + (ch - 'a');
} else if (ch >= 'A' && ch <= 'F') {
return 10 + (ch - 'a');
} else {
return -1;
}
}
void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size)
{
uint8_t *ptr = data;
gchar **args;
size_t i;
if (!size) {
return;
}
qtest_sendf(s, "read 0x%" PRIx64 " 0x%zx\n", addr, size);
args = qtest_rsp(s, 2);
for (i = 0; i < size; i++) {
ptr[i] = hex2nib(args[1][2 + (i * 2)]) << 4;
ptr[i] |= hex2nib(args[1][2 + (i * 2) + 1]);
}
g_strfreev(args);
}
uint64_t qtest_rtas_call(QTestState *s, const char *name,
uint32_t nargs, uint64_t args,
uint32_t nret, uint64_t ret)
{
qtest_sendf(s, "rtas %s %u 0x%"PRIx64" %u 0x%"PRIx64"\n",
name, nargs, args, nret, ret);
qtest_rsp(s, 0);
return 0;
}
void qtest_add_func(const char *str, void (*fn)(void))
{
gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
g_test_add_func(path, fn);
g_free(path);
}
void qtest_add_data_func_full(const char *str, void *data,
void (*fn)(const void *),
GDestroyNotify data_free_func)
{
gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
g_test_add_data_func_full(path, data, fn, data_free_func);
g_free(path);
}
void qtest_add_data_func(const char *str, const void *data,
void (*fn)(const void *))
{
gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
g_test_add_data_func(path, data, fn);
g_free(path);
}
void qtest_bufwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
{
gchar *bdata;
bdata = g_base64_encode(data, size);
qtest_sendf(s, "b64write 0x%" PRIx64 " 0x%zx ", addr, size);
socket_send(s->fd, bdata, strlen(bdata));
socket_send(s->fd, "\n", 1);
qtest_rsp(s, 0);
g_free(bdata);
}
void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size)
{
gchar **args;
size_t len;
qtest_sendf(s, "b64read 0x%" PRIx64 " 0x%zx\n", addr, size);
args = qtest_rsp(s, 2);
g_base64_decode_inplace(args[1], &len);
if (size != len) {
fprintf(stderr, "bufread: asked for %zu bytes but decoded %zu\n",
size, len);
len = MIN(len, size);
}
memcpy(data, args[1], len);
g_strfreev(args);
}
void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
{
const uint8_t *ptr = data;
size_t i;
char *enc;
if (!size) {
return;
}
enc = g_malloc(2 * size + 1);
for (i = 0; i < size; i++) {
sprintf(&enc[i * 2], "%02x", ptr[i]);
}
qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x%s\n", addr, size, enc);
qtest_rsp(s, 0);
g_free(enc);
}
void qtest_memset(QTestState *s, uint64_t addr, uint8_t pattern, size_t size)
{
qtest_sendf(s, "memset 0x%" PRIx64 " 0x%zx 0x%02x\n", addr, size, pattern);
qtest_rsp(s, 0);
}
QDict *qmp(const char *fmt, ...)
{
va_list ap;
QDict *response;
va_start(ap, fmt);
response = qtest_vqmp(global_qtest, fmt, ap);
va_end(ap);
return response;
}
void qmp_send(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
qtest_qmp_vsend(global_qtest, fmt, ap);
va_end(ap);
}
char *hmp(const char *fmt, ...)
{
va_list ap;
char *ret;
va_start(ap, fmt);
ret = qtest_vhmp(global_qtest, fmt, ap);
va_end(ap);
return ret;
}
bool qtest_big_endian(QTestState *s)
{
return s->big_endian;
}
static bool qtest_check_machine_version(const char *mname, const char *basename,
int major, int minor)
{
char *newname;
bool is_equal;
newname = g_strdup_printf("%s-%i.%i", basename, major, minor);
is_equal = g_str_equal(mname, newname);
g_free(newname);
return is_equal;
}
static bool qtest_is_old_versioned_machine(const char *mname)
{
const char *dash = strrchr(mname, '-');
const char *dot = strrchr(mname, '.');
const char *chr;
char *bname;
const int major = QEMU_VERSION_MAJOR;
const int minor = QEMU_VERSION_MINOR;
bool res = false;
if (dash && dot && dot > dash) {
for (chr = dash + 1; *chr; chr++) {
if (!qemu_isdigit(*chr) && *chr != '.') {
return false;
}
}
/*
* Now check if it is one of the latest versions. Check major + 1
* and minor + 1 versions as well, since they might already exist
* in the development branch.
*/
bname = g_strdup(mname);
bname[dash - mname] = 0;
res = !qtest_check_machine_version(mname, bname, major + 1, 0) &&
!qtest_check_machine_version(mname, bname, major, minor + 1) &&
!qtest_check_machine_version(mname, bname, major, minor);
g_free(bname);
}
return res;
}
void qtest_cb_for_every_machine(void (*cb)(const char *machine),
bool skip_old_versioned)
{
QDict *response, *minfo;
QList *list;
const QListEntry *p;
QObject *qobj;
QString *qstr;
const char *mname;
qtest_start("-machine none");
response = qmp("{ 'execute': 'query-machines' }");
g_assert(response);
list = qdict_get_qlist(response, "return");
g_assert(list);
for (p = qlist_first(list); p; p = qlist_next(p)) {
minfo = qobject_to(QDict, qlist_entry_obj(p));
g_assert(minfo);
qobj = qdict_get(minfo, "name");
g_assert(qobj);
qstr = qobject_to(QString, qobj);
g_assert(qstr);
mname = qstring_get_str(qstr);
if (!skip_old_versioned || !qtest_is_old_versioned_machine(mname)) {
cb(mname);
}
}
qtest_end();
qobject_unref(response);
}
QDict *qtest_qmp_receive_success(QTestState *s,
void (*event_cb)(void *opaque,
const char *event,
QDict *data),
void *opaque)
{
QDict *response, *ret, *data;
const char *event;
for (;;) {
response = qtest_qmp_receive(s);
g_assert(!qdict_haskey(response, "error"));
ret = qdict_get_qdict(response, "return");
if (ret) {
break;
}
event = qdict_get_str(response, "event");
data = qdict_get_qdict(response, "data");
if (event_cb) {
event_cb(opaque, event, data);
}
qobject_unref(response);
}
qobject_ref(ret);
qobject_unref(response);
return ret;
}
/*
* Generic hot-plugging test via the device_add QMP command.
*/
void qtest_qmp_device_add(const char *driver, const char *id,
const char *fmt, ...)
{
QDict *args, *response;
va_list ap;
va_start(ap, fmt);
args = qdict_from_vjsonf_nofail(fmt, ap);
va_end(ap);
g_assert(!qdict_haskey(args, "driver") && !qdict_haskey(args, "id"));
qdict_put_str(args, "driver", driver);
qdict_put_str(args, "id", id);
response = qmp("{'execute': 'device_add', 'arguments': %p}", args);
g_assert(response);
g_assert(!qdict_haskey(response, "event")); /* We don't expect any events */
g_assert(!qdict_haskey(response, "error"));
qobject_unref(response);
}
static void device_deleted_cb(void *opaque, const char *name, QDict *data)
{
bool *got_event = opaque;
g_assert_cmpstr(name, ==, "DEVICE_DELETED");
*got_event = true;
}
/*
* Generic hot-unplugging test via the device_del QMP command.
* Device deletion will get one response and one event. For example:
*
* {'execute': 'device_del','arguments': { 'id': 'scsi-hd'}}
*
* will get this one:
*
* {"timestamp": {"seconds": 1505289667, "microseconds": 569862},
* "event": "DEVICE_DELETED", "data": {"device": "scsi-hd",
* "path": "/machine/peripheral/scsi-hd"}}
*
* and this one:
*
* {"return": {}}
*
* But the order of arrival may vary - so we've got to detect both.
*/
void qtest_qmp_device_del(const char *id)
{
bool got_event = false;
QDict *rsp;
qtest_qmp_send(global_qtest,
"{'execute': 'device_del', 'arguments': {'id': %s}}",
id);
rsp = qtest_qmp_receive_success(global_qtest, device_deleted_cb,
&got_event);
qobject_unref(rsp);
if (!got_event) {
rsp = qmp_receive();
g_assert_cmpstr(qdict_get_try_str(rsp, "event"),
==, "DEVICE_DELETED");
qobject_unref(rsp);
}
}
bool qmp_rsp_is_err(QDict *rsp)
{
QDict *error = qdict_get_qdict(rsp, "error");
qobject_unref(rsp);
return !!error;
}
void qmp_assert_error_class(QDict *rsp, const char *class)
{
QDict *error = qdict_get_qdict(rsp, "error");
g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, class);
g_assert_nonnull(qdict_get_try_str(error, "desc"));
g_assert(!qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
|