aboutsummaryrefslogtreecommitdiff
path: root/tests/libqtest.h
blob: 55bccbf0e68c7ec2a112f4c0f9232785e7b366cb (plain)
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
/*
 * 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.
 *
 */
#ifndef LIBQTEST_H
#define LIBQTEST_H

#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdarg.h>
#include <sys/types.h>
#include "qapi/qmp/qdict.h"
#include "glib-compat.h"

typedef struct QTestState QTestState;

extern QTestState *global_qtest;

/**
 * qtest_init:
 * @extra_args: other arguments to pass to QEMU.
 *
 * Returns: #QTestState instance.
 */
QTestState *qtest_init(const char *extra_args);

/**
 * qtest_quit:
 * @s: #QTestState instance to operate on.
 *
 * Shut down the QEMU process associated to @s.
 */
void qtest_quit(QTestState *s);

/**
 * qtest_qmp_discard_response:
 * @s: #QTestState instance to operate on.
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU and consumes the response.
 */
void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...);

/**
 * qtest_qmp:
 * @s: #QTestState instance to operate on.
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU and returns the response.
 */
QDict *qtest_qmp(QTestState *s, const char *fmt, ...);

/**
 * qtest_async_qmp:
 * @s: #QTestState instance to operate on.
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU and leaves the response in the stream.
 */
void qtest_async_qmp(QTestState *s, const char *fmt, ...);

/**
 * qtest_qmpv_discard_response:
 * @s: #QTestState instance to operate on.
 * @fmt: QMP message to send to QEMU
 * @ap: QMP message arguments
 *
 * Sends a QMP message to QEMU and consumes the response.
 */
void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap);

/**
 * qtest_qmpv:
 * @s: #QTestState instance to operate on.
 * @fmt: QMP message to send to QEMU
 * @ap: QMP message arguments
 *
 * Sends a QMP message to QEMU and returns the response.
 */
QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap);

/**
 * qtest_async_qmpv:
 * @s: #QTestState instance to operate on.
 * @fmt: QMP message to send to QEMU
 * @ap: QMP message arguments
 *
 * Sends a QMP message to QEMU and leaves the response in the stream.
 */
void qtest_async_qmpv(QTestState *s, const char *fmt, va_list ap);

/**
 * qtest_receive:
 * @s: #QTestState instance to operate on.
 *
 * Reads a QMP message from QEMU and returns the response.
 */
QDict *qtest_qmp_receive(QTestState *s);

/**
 * qtest_qmp_eventwait:
 * @s: #QTestState instance to operate on.
 * @s: #event event to wait for.
 *
 * Continuosly polls for QMP responses until it receives the desired event.
 */
void qtest_qmp_eventwait(QTestState *s, const char *event);

/**
 * qtest_hmpv:
 * @s: #QTestState instance to operate on.
 * @fmt...: HMP command to send to QEMU
 *
 * Send HMP command to QEMU via QMP's human-monitor-command.
 *
 * Returns: the command's output.  The caller should g_free() it.
 */
char *qtest_hmp(QTestState *s, const char *fmt, ...);

/**
 * qtest_hmpv:
 * @s: #QTestState instance to operate on.
 * @fmt: HMP command to send to QEMU
 * @ap: HMP command arguments
 *
 * Send HMP command to QEMU via QMP's human-monitor-command.
 *
 * Returns: the command's output.  The caller should g_free() it.
 */
char *qtest_hmpv(QTestState *s, const char *fmt, va_list ap);

/**
 * qtest_get_irq:
 * @s: #QTestState instance to operate on.
 * @num: Interrupt to observe.
 *
 * Returns: The level of the @num interrupt.
 */
bool qtest_get_irq(QTestState *s, int num);

/**
 * qtest_irq_intercept_in:
 * @s: #QTestState instance to operate on.
 * @string: QOM path of a device.
 *
 * Associate qtest irqs with the GPIO-in pins of the device
 * whose path is specified by @string.
 */
void qtest_irq_intercept_in(QTestState *s, const char *string);

/**
 * qtest_irq_intercept_out:
 * @s: #QTestState instance to operate on.
 * @string: QOM path of a device.
 *
 * Associate qtest irqs with the GPIO-out pins of the device
 * whose path is specified by @string.
 */
void qtest_irq_intercept_out(QTestState *s, const char *string);

/**
 * qtest_outb:
 * @s: #QTestState instance to operate on.
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write an 8-bit value to an I/O port.
 */
void qtest_outb(QTestState *s, uint16_t addr, uint8_t value);

/**
 * qtest_outw:
 * @s: #QTestState instance to operate on.
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write a 16-bit value to an I/O port.
 */
void qtest_outw(QTestState *s, uint16_t addr, uint16_t value);

/**
 * qtest_outl:
 * @s: #QTestState instance to operate on.
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write a 32-bit value to an I/O port.
 */
void qtest_outl(QTestState *s, uint16_t addr, uint32_t value);

/**
 * qtest_inb:
 * @s: #QTestState instance to operate on.
 * @addr: I/O port to read from.
 *
 * Returns an 8-bit value from an I/O port.
 */
uint8_t qtest_inb(QTestState *s, uint16_t addr);

/**
 * qtest_inw:
 * @s: #QTestState instance to operate on.
 * @addr: I/O port to read from.
 *
 * Returns a 16-bit value from an I/O port.
 */
uint16_t qtest_inw(QTestState *s, uint16_t addr);

/**
 * qtest_inl:
 * @s: #QTestState instance to operate on.
 * @addr: I/O port to read from.
 *
 * Returns a 32-bit value from an I/O port.
 */
uint32_t qtest_inl(QTestState *s, uint16_t addr);

/**
 * qtest_writeb:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes an 8-bit value to memory.
 */
void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value);

/**
 * qtest_writew:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes a 16-bit value to memory.
 */
void qtest_writew(QTestState *s, uint64_t addr, uint16_t value);

/**
 * qtest_writel:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes a 32-bit value to memory.
 */
void qtest_writel(QTestState *s, uint64_t addr, uint32_t value);

/**
 * qtest_writeq:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes a 64-bit value to memory.
 */
void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value);

/**
 * qtest_readb:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to read from.
 *
 * Reads an 8-bit value from memory.
 *
 * Returns: Value read.
 */
uint8_t qtest_readb(QTestState *s, uint64_t addr);

/**
 * qtest_readw:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to read from.
 *
 * Reads a 16-bit value from memory.
 *
 * Returns: Value read.
 */
uint16_t qtest_readw(QTestState *s, uint64_t addr);

/**
 * qtest_readl:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to read from.
 *
 * Reads a 32-bit value from memory.
 *
 * Returns: Value read.
 */
uint32_t qtest_readl(QTestState *s, uint64_t addr);

/**
 * qtest_readq:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to read from.
 *
 * Reads a 64-bit value from memory.
 *
 * Returns: Value read.
 */
uint64_t qtest_readq(QTestState *s, uint64_t addr);

/**
 * qtest_memread:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to read from.
 * @data: Pointer to where memory contents will be stored.
 * @size: Number of bytes to read.
 *
 * Read guest memory into a buffer.
 */
void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);

/**
 * qtest_bufread:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to read from.
 * @data: Pointer to where memory contents will be stored.
 * @size: Number of bytes to read.
 *
 * Read guest memory into a buffer and receive using a base64 encoding.
 */
void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size);

/**
 * qtest_memwrite:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @data: Pointer to the bytes that will be written to guest memory.
 * @size: Number of bytes to write.
 *
 * Write a buffer to guest memory.
 */
void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size);

/**
 * qtest_bufwrite:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @data: Pointer to the bytes that will be written to guest memory.
 * @size: Number of bytes to write.
 *
 * Write a buffer to guest memory and transmit using a base64 encoding.
 */
void qtest_bufwrite(QTestState *s, uint64_t addr,
                    const void *data, size_t size);

/**
 * qtest_memset:
 * @s: #QTestState instance to operate on.
 * @addr: Guest address to write to.
 * @patt: Byte pattern to fill the guest memory region with.
 * @size: Number of bytes to write.
 *
 * Write a pattern to guest memory.
 */
void qtest_memset(QTestState *s, uint64_t addr, uint8_t patt, size_t size);

/**
 * qtest_clock_step_next:
 * @s: #QTestState instance to operate on.
 *
 * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
 *
 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 */
int64_t qtest_clock_step_next(QTestState *s);

/**
 * qtest_clock_step:
 * @s: QTestState instance to operate on.
 * @step: Number of nanoseconds to advance the clock by.
 *
 * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
 *
 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 */
int64_t qtest_clock_step(QTestState *s, int64_t step);

/**
 * qtest_clock_set:
 * @s: QTestState instance to operate on.
 * @val: Nanoseconds value to advance the clock to.
 *
 * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
 *
 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 */
int64_t qtest_clock_set(QTestState *s, int64_t val);

/**
 * qtest_get_arch:
 *
 * Returns: The architecture for the QEMU executable under test.
 */
const char *qtest_get_arch(void);

/**
 * qtest_add_func:
 * @str: Test case path.
 * @fn: Test case function
 *
 * Add a GTester testcase with the given name and function.
 * The path is prefixed with the architecture under test, as
 * returned by qtest_get_arch().
 */
void qtest_add_func(const char *str, void (*fn));

/**
 * qtest_add_data_func:
 * @str: Test case path.
 * @data: Test case data
 * @fn: Test case function
 *
 * Add a GTester testcase with the given name, data and function.
 * The path is prefixed with the architecture under test, as
 * returned by qtest_get_arch().
 */
void qtest_add_data_func(const char *str, const void *data, void (*fn));

/**
 * qtest_add:
 * @testpath: Test case path
 * @Fixture: Fixture type
 * @tdata: Test case data
 * @fsetup: Test case setup function
 * @ftest: Test case function
 * @fteardown: Test case teardown function
 *
 * Add a GTester testcase with the given name, data and functions.
 * The path is prefixed with the architecture under test, as
 * returned by qtest_get_arch().
 */
#define qtest_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
    do { \
        char *path = g_strdup_printf("/%s/%s", qtest_get_arch(), testpath); \
        g_test_add(path, Fixture, tdata, fsetup, ftest, fteardown); \
        g_free(path); \
    } while (0)

/**
 * qtest_start:
 * @args: other arguments to pass to QEMU
 *
 * Start QEMU and assign the resulting #QTestState to a global variable.
 * The global variable is used by "shortcut" functions documented below.
 *
 * Returns: #QTestState instance.
 */
static inline QTestState *qtest_start(const char *args)
{
    global_qtest = qtest_init(args);
    return global_qtest;
}

/**
 * qtest_end:
 *
 * Shut down the QEMU process started by qtest_start().
 */
static inline void qtest_end(void)
{
    qtest_quit(global_qtest);
    global_qtest = NULL;
}

/**
 * qmp:
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU and returns the response.
 */
QDict *qmp(const char *fmt, ...);

/**
 * qmp_async:
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU and leaves the response in the stream.
 */
void qmp_async(const char *fmt, ...);

/**
 * qmp_discard_response:
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU and consumes the response.
 */
void qmp_discard_response(const char *fmt, ...);

/**
 * qmp_receive:
 *
 * Reads a QMP message from QEMU and returns the response.
 */
static inline QDict *qmp_receive(void)
{
    return qtest_qmp_receive(global_qtest);
}

/**
 * qmp_eventwait:
 * @s: #event event to wait for.
 *
 * Continuosly polls for QMP responses until it receives the desired event.
 */
static inline void qmp_eventwait(const char *event)
{
    return qtest_qmp_eventwait(global_qtest, event);
}

/**
 * hmp:
 * @fmt...: HMP command to send to QEMU
 *
 * Send HMP command to QEMU via QMP's human-monitor-command.
 *
 * Returns: the command's output.  The caller should g_free() it.
 */
char *hmp(const char *fmt, ...);

/**
 * get_irq:
 * @num: Interrupt to observe.
 *
 * Returns: The level of the @num interrupt.
 */
static inline bool get_irq(int num)
{
    return qtest_get_irq(global_qtest, num);
}

/**
 * irq_intercept_in:
 * @string: QOM path of a device.
 *
 * Associate qtest irqs with the GPIO-in pins of the device
 * whose path is specified by @string.
 */
static inline void irq_intercept_in(const char *string)
{
    qtest_irq_intercept_in(global_qtest, string);
}

/**
 * qtest_irq_intercept_out:
 * @string: QOM path of a device.
 *
 * Associate qtest irqs with the GPIO-out pins of the device
 * whose path is specified by @string.
 */
static inline void irq_intercept_out(const char *string)
{
    qtest_irq_intercept_out(global_qtest, string);
}

/**
 * outb:
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write an 8-bit value to an I/O port.
 */
static inline void outb(uint16_t addr, uint8_t value)
{
    qtest_outb(global_qtest, addr, value);
}

/**
 * outw:
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write a 16-bit value to an I/O port.
 */
static inline void outw(uint16_t addr, uint16_t value)
{
    qtest_outw(global_qtest, addr, value);
}

/**
 * outl:
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write a 32-bit value to an I/O port.
 */
static inline void outl(uint16_t addr, uint32_t value)
{
    qtest_outl(global_qtest, addr, value);
}

/**
 * inb:
 * @addr: I/O port to read from.
 *
 * Reads an 8-bit value from an I/O port.
 *
 * Returns: Value read.
 */
static inline uint8_t inb(uint16_t addr)
{
    return qtest_inb(global_qtest, addr);
}

/**
 * inw:
 * @addr: I/O port to read from.
 *
 * Reads a 16-bit value from an I/O port.
 *
 * Returns: Value read.
 */
static inline uint16_t inw(uint16_t addr)
{
    return qtest_inw(global_qtest, addr);
}

/**
 * inl:
 * @addr: I/O port to read from.
 *
 * Reads a 32-bit value from an I/O port.
 *
 * Returns: Value read.
 */
static inline uint32_t inl(uint16_t addr)
{
    return qtest_inl(global_qtest, addr);
}

/**
 * writeb:
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes an 8-bit value to guest memory.
 */
static inline void writeb(uint64_t addr, uint8_t value)
{
    qtest_writeb(global_qtest, addr, value);
}

/**
 * writew:
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes a 16-bit value to guest memory.
 */
static inline void writew(uint64_t addr, uint16_t value)
{
    qtest_writew(global_qtest, addr, value);
}

/**
 * writel:
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes a 32-bit value to guest memory.
 */
static inline void writel(uint64_t addr, uint32_t value)
{
    qtest_writel(global_qtest, addr, value);
}

/**
 * writeq:
 * @addr: Guest address to write to.
 * @value: Value being written.
 *
 * Writes a 64-bit value to guest memory.
 */
static inline void writeq(uint64_t addr, uint64_t value)
{
    qtest_writeq(global_qtest, addr, value);
}

/**
 * readb:
 * @addr: Guest address to read from.
 *
 * Reads an 8-bit value from guest memory.
 *
 * Returns: Value read.
 */
static inline uint8_t readb(uint64_t addr)
{
    return qtest_readb(global_qtest, addr);
}

/**
 * readw:
 * @addr: Guest address to read from.
 *
 * Reads a 16-bit value from guest memory.
 *
 * Returns: Value read.
 */
static inline uint16_t readw(uint64_t addr)
{
    return qtest_readw(global_qtest, addr);
}

/**
 * readl:
 * @addr: Guest address to read from.
 *
 * Reads a 32-bit value from guest memory.
 *
 * Returns: Value read.
 */
static inline uint32_t readl(uint64_t addr)
{
    return qtest_readl(global_qtest, addr);
}

/**
 * readq:
 * @addr: Guest address to read from.
 *
 * Reads a 64-bit value from guest memory.
 *
 * Returns: Value read.
 */
static inline uint64_t readq(uint64_t addr)
{
    return qtest_readq(global_qtest, addr);
}

/**
 * memread:
 * @addr: Guest address to read from.
 * @data: Pointer to where memory contents will be stored.
 * @size: Number of bytes to read.
 *
 * Read guest memory into a buffer.
 */
static inline void memread(uint64_t addr, void *data, size_t size)
{
    qtest_memread(global_qtest, addr, data, size);
}

/**
 * bufread:
 * @addr: Guest address to read from.
 * @data: Pointer to where memory contents will be stored.
 * @size: Number of bytes to read.
 *
 * Read guest memory into a buffer, receive using a base64 encoding.
 */
static inline void bufread(uint64_t addr, void *data, size_t size)
{
    qtest_bufread(global_qtest, addr, data, size);
}

/**
 * memwrite:
 * @addr: Guest address to write to.
 * @data: Pointer to the bytes that will be written to guest memory.
 * @size: Number of bytes to write.
 *
 * Write a buffer to guest memory.
 */
static inline void memwrite(uint64_t addr, const void *data, size_t size)
{
    qtest_memwrite(global_qtest, addr, data, size);
}

/**
 * bufwrite:
 * @addr: Guest address to write to.
 * @data: Pointer to the bytes that will be written to guest memory.
 * @size: Number of bytes to write.
 *
 * Write a buffer to guest memory, transmit using a base64 encoding.
 */
static inline void bufwrite(uint64_t addr, const void *data, size_t size)
{
    qtest_bufwrite(global_qtest, addr, data, size);
}

/**
 * qmemset:
 * @addr: Guest address to write to.
 * @patt: Byte pattern to fill the guest memory region with.
 * @size: Number of bytes to write.
 *
 * Write a pattern to guest memory.
 */
static inline void qmemset(uint64_t addr, uint8_t patt, size_t size)
{
    qtest_memset(global_qtest, addr, patt, size);
}

/**
 * clock_step_next:
 *
 * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
 *
 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 */
static inline int64_t clock_step_next(void)
{
    return qtest_clock_step_next(global_qtest);
}

/**
 * clock_step:
 * @step: Number of nanoseconds to advance the clock by.
 *
 * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
 *
 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 */
static inline int64_t clock_step(int64_t step)
{
    return qtest_clock_step(global_qtest, step);
}

/**
 * clock_set:
 * @val: Nanoseconds value to advance the clock to.
 *
 * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
 *
 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 */
static inline int64_t clock_set(int64_t val)
{
    return qtest_clock_set(global_qtest, val);
}

/**
 * qtest_big_endian:
 *
 * Returns: True if the architecture under test has a big endian configuration.
 */
bool qtest_big_endian(void);

#endif