xref: /qemu/tests/qtest/libqtest.h (revision 76eb88b1)
1 /*
2  * QTest
3  *
4  * Copyright IBM, Corp. 2012
5  * Copyright Red Hat, Inc. 2012
6  * Copyright SUSE LINUX Products GmbH 2013
7  *
8  * Authors:
9  *  Anthony Liguori   <aliguori@us.ibm.com>
10  *  Paolo Bonzini     <pbonzini@redhat.com>
11  *  Andreas Färber    <afaerber@suse.de>
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.
15  *
16  */
17 #ifndef LIBQTEST_H
18 #define LIBQTEST_H
19 
20 #include "qapi/qmp/qobject.h"
21 #include "qapi/qmp/qdict.h"
22 #include "libqmp.h"
23 
24 typedef struct QTestState QTestState;
25 
26 /**
27  * qtest_initf:
28  * @fmt: Format for creating other arguments to pass to QEMU, formatted
29  * like sprintf().
30  *
31  * Convenience wrapper around qtest_init().
32  *
33  * Returns: #QTestState instance.
34  */
35 QTestState *qtest_initf(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
36 
37 /**
38  * qtest_vinitf:
39  * @fmt: Format for creating other arguments to pass to QEMU, formatted
40  * like vsprintf().
41  * @ap: Format arguments.
42  *
43  * Convenience wrapper around qtest_init().
44  *
45  * Returns: #QTestState instance.
46  */
47 QTestState *qtest_vinitf(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
48 
49 /**
50  * qtest_init:
51  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
52  * arguments are subject to word splitting and shell evaluation.
53  *
54  * Returns: #QTestState instance.
55  */
56 QTestState *qtest_init(const char *extra_args);
57 
58 /**
59  * qtest_init_without_qmp_handshake:
60  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
61  * arguments are subject to word splitting and shell evaluation.
62  *
63  * Returns: #QTestState instance.
64  */
65 QTestState *qtest_init_without_qmp_handshake(const char *extra_args);
66 
67 /**
68  * qtest_init_with_serial:
69  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
70  * arguments are subject to word splitting and shell evaluation.
71  * @sock_fd: pointer to store the socket file descriptor for
72  * connection with serial.
73  *
74  * Returns: #QTestState instance.
75  */
76 QTestState *qtest_init_with_serial(const char *extra_args, int *sock_fd);
77 
78 /**
79  * qtest_kill_qemu:
80  * @s: #QTestState instance to operate on.
81  *
82  * Kill the QEMU process and wait for it to terminate. It is safe to call this
83  * function multiple times. Normally qtest_quit() is used instead because it
84  * also frees QTestState. Use qtest_kill_qemu() when you just want to kill QEMU
85  * and qtest_quit() will be called later.
86  */
87 void qtest_kill_qemu(QTestState *s);
88 
89 /**
90  * qtest_quit:
91  * @s: #QTestState instance to operate on.
92  *
93  * Shut down the QEMU process associated to @s.
94  */
95 void qtest_quit(QTestState *s);
96 
97 #ifndef _WIN32
98 /**
99  * qtest_qmp_fds:
100  * @s: #QTestState instance to operate on.
101  * @fds: array of file descriptors
102  * @fds_num: number of elements in @fds
103  * @fmt: QMP message to send to qemu, formatted like
104  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
105  * supported after '%'.
106  *
107  * Sends a QMP message to QEMU with fds and returns the response.
108  */
109 QDict *qtest_qmp_fds(QTestState *s, int *fds, size_t fds_num,
110                      const char *fmt, ...)
111     G_GNUC_PRINTF(4, 5);
112 #endif /* _WIN32 */
113 
114 /**
115  * qtest_qmp:
116  * @s: #QTestState instance to operate on.
117  * @fmt: QMP message to send to qemu, formatted like
118  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
119  * supported after '%'.
120  *
121  * Sends a QMP message to QEMU and returns the response.
122  */
123 QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
124     G_GNUC_PRINTF(2, 3);
125 
126 /**
127  * qtest_qmp_send:
128  * @s: #QTestState instance to operate on.
129  * @fmt: QMP message to send to qemu, formatted like
130  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
131  * supported after '%'.
132  *
133  * Sends a QMP message to QEMU and leaves the response in the stream.
134  */
135 void qtest_qmp_send(QTestState *s, const char *fmt, ...)
136     G_GNUC_PRINTF(2, 3);
137 
138 /**
139  * qtest_qmp_send_raw:
140  * @s: #QTestState instance to operate on.
141  * @fmt: text to send, formatted like sprintf()
142  *
143  * Sends text to the QMP monitor verbatim.  Need not be valid JSON;
144  * this is useful for negative tests.
145  */
146 void qtest_qmp_send_raw(QTestState *s, const char *fmt, ...)
147     G_GNUC_PRINTF(2, 3);
148 
149 /**
150  * qtest_socket_server:
151  * @socket_path: the UNIX domain socket path
152  *
153  * Create and return a listen socket file descriptor, or abort on failure.
154  */
155 int qtest_socket_server(const char *socket_path);
156 
157 #ifndef _WIN32
158 /**
159  * qtest_vqmp_fds:
160  * @s: #QTestState instance to operate on.
161  * @fds: array of file descriptors
162  * @fds_num: number of elements in @fds
163  * @fmt: QMP message to send to QEMU, formatted like
164  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
165  * supported after '%'.
166  * @ap: QMP message arguments
167  *
168  * Sends a QMP message to QEMU with fds and returns the response.
169  */
170 QDict *qtest_vqmp_fds(QTestState *s, int *fds, size_t fds_num,
171                       const char *fmt, va_list ap)
172     G_GNUC_PRINTF(4, 0);
173 #endif /* _WIN32 */
174 
175 /**
176  * qtest_vqmp:
177  * @s: #QTestState instance to operate on.
178  * @fmt: QMP message to send to QEMU, formatted like
179  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
180  * supported after '%'.
181  * @ap: QMP message arguments
182  *
183  * Sends a QMP message to QEMU and returns the response.
184  */
185 QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap)
186     G_GNUC_PRINTF(2, 0);
187 
188 #ifndef _WIN32
189 /**
190  * qtest_qmp_vsend_fds:
191  * @s: #QTestState instance to operate on.
192  * @fds: array of file descriptors
193  * @fds_num: number of elements in @fds
194  * @fmt: QMP message to send to QEMU, formatted like
195  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
196  * supported after '%'.
197  * @ap: QMP message arguments
198  *
199  * Sends a QMP message to QEMU and leaves the response in the stream.
200  */
201 void qtest_qmp_vsend_fds(QTestState *s, int *fds, size_t fds_num,
202                          const char *fmt, va_list ap)
203     G_GNUC_PRINTF(4, 0);
204 #endif /* _WIN32 */
205 
206 /**
207  * qtest_qmp_vsend:
208  * @s: #QTestState instance to operate on.
209  * @fmt: QMP message to send to QEMU, formatted like
210  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
211  * supported after '%'.
212  * @ap: QMP message arguments
213  *
214  * Sends a QMP message to QEMU and leaves the response in the stream.
215  */
216 void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap)
217     G_GNUC_PRINTF(2, 0);
218 
219 /**
220  * qtest_qmp_receive_dict:
221  * @s: #QTestState instance to operate on.
222  *
223  * Reads a QMP message from QEMU and returns the response.
224  */
225 QDict *qtest_qmp_receive_dict(QTestState *s);
226 
227 /**
228  * qtest_qmp_receive:
229  * @s: #QTestState instance to operate on.
230  *
231  * Reads a QMP message from QEMU and returns the response.
232  * Buffers all the events received meanwhile, until a
233  * call to qtest_qmp_eventwait
234  */
235 QDict *qtest_qmp_receive(QTestState *s);
236 
237 /**
238  * qtest_qmp_eventwait:
239  * @s: #QTestState instance to operate on.
240  * @event: event to wait for.
241  *
242  * Continuously polls for QMP responses until it receives the desired event.
243  */
244 void qtest_qmp_eventwait(QTestState *s, const char *event);
245 
246 /**
247  * qtest_qmp_eventwait_ref:
248  * @s: #QTestState instance to operate on.
249  * @event: event to wait for.
250  *
251  * Continuously polls for QMP responses until it receives the desired event.
252  * Returns a copy of the event for further investigation.
253  */
254 QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event);
255 
256 /**
257  * qtest_qmp_event_ref:
258  * @s: #QTestState instance to operate on.
259  * @event: event to return.
260  *
261  * Removes non-matching events from the buffer that was set by
262  * qtest_qmp_receive, until an event bearing the given name is found,
263  * and returns it.
264  * If no event matches, clears the buffer and returns NULL.
265  *
266  */
267 QDict *qtest_qmp_event_ref(QTestState *s, const char *event);
268 
269 /**
270  * qtest_hmp:
271  * @s: #QTestState instance to operate on.
272  * @fmt: HMP command to send to QEMU, formats arguments like sprintf().
273  *
274  * Send HMP command to QEMU via QMP's human-monitor-command.
275  * QMP events are discarded.
276  *
277  * Returns: the command's output.  The caller should g_free() it.
278  */
279 char *qtest_hmp(QTestState *s, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
280 
281 /**
282  * qtest_hmpv:
283  * @s: #QTestState instance to operate on.
284  * @fmt: HMP command to send to QEMU, formats arguments like vsprintf().
285  * @ap: HMP command arguments
286  *
287  * Send HMP command to QEMU via QMP's human-monitor-command.
288  * QMP events are discarded.
289  *
290  * Returns: the command's output.  The caller should g_free() it.
291  */
292 char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
293     G_GNUC_PRINTF(2, 0);
294 
295 void qtest_module_load(QTestState *s, const char *prefix, const char *libname);
296 
297 /**
298  * qtest_get_irq:
299  * @s: #QTestState instance to operate on.
300  * @num: Interrupt to observe.
301  *
302  * Returns: The level of the @num interrupt.
303  */
304 bool qtest_get_irq(QTestState *s, int num);
305 
306 /**
307  * qtest_irq_intercept_in:
308  * @s: #QTestState instance to operate on.
309  * @string: QOM path of a device.
310  *
311  * Associate qtest irqs with the GPIO-in pins of the device
312  * whose path is specified by @string.
313  */
314 void qtest_irq_intercept_in(QTestState *s, const char *string);
315 
316 /**
317  * qtest_irq_intercept_out:
318  * @s: #QTestState instance to operate on.
319  * @string: QOM path of a device.
320  *
321  * Associate qtest irqs with the GPIO-out pins of the device
322  * whose path is specified by @string.
323  */
324 void qtest_irq_intercept_out(QTestState *s, const char *string);
325 
326 /**
327  * qtest_set_irq_in:
328  * @s: QTestState instance to operate on.
329  * @string: QOM path of a device
330  * @name: IRQ name
331  * @irq: IRQ number
332  * @level: IRQ level
333  *
334  * Force given device/irq GPIO-in pin to the given level.
335  */
336 void qtest_set_irq_in(QTestState *s, const char *string, const char *name,
337                       int irq, int level);
338 
339 /**
340  * qtest_outb:
341  * @s: #QTestState instance to operate on.
342  * @addr: I/O port to write to.
343  * @value: Value being written.
344  *
345  * Write an 8-bit value to an I/O port.
346  */
347 void qtest_outb(QTestState *s, uint16_t addr, uint8_t value);
348 
349 /**
350  * qtest_outw:
351  * @s: #QTestState instance to operate on.
352  * @addr: I/O port to write to.
353  * @value: Value being written.
354  *
355  * Write a 16-bit value to an I/O port.
356  */
357 void qtest_outw(QTestState *s, uint16_t addr, uint16_t value);
358 
359 /**
360  * qtest_outl:
361  * @s: #QTestState instance to operate on.
362  * @addr: I/O port to write to.
363  * @value: Value being written.
364  *
365  * Write a 32-bit value to an I/O port.
366  */
367 void qtest_outl(QTestState *s, uint16_t addr, uint32_t value);
368 
369 /**
370  * qtest_inb:
371  * @s: #QTestState instance to operate on.
372  * @addr: I/O port to read from.
373  *
374  * Returns an 8-bit value from an I/O port.
375  */
376 uint8_t qtest_inb(QTestState *s, uint16_t addr);
377 
378 /**
379  * qtest_inw:
380  * @s: #QTestState instance to operate on.
381  * @addr: I/O port to read from.
382  *
383  * Returns a 16-bit value from an I/O port.
384  */
385 uint16_t qtest_inw(QTestState *s, uint16_t addr);
386 
387 /**
388  * qtest_inl:
389  * @s: #QTestState instance to operate on.
390  * @addr: I/O port to read from.
391  *
392  * Returns a 32-bit value from an I/O port.
393  */
394 uint32_t qtest_inl(QTestState *s, uint16_t addr);
395 
396 /**
397  * qtest_writeb:
398  * @s: #QTestState instance to operate on.
399  * @addr: Guest address to write to.
400  * @value: Value being written.
401  *
402  * Writes an 8-bit value to memory.
403  */
404 void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value);
405 
406 /**
407  * qtest_writew:
408  * @s: #QTestState instance to operate on.
409  * @addr: Guest address to write to.
410  * @value: Value being written.
411  *
412  * Writes a 16-bit value to memory.
413  */
414 void qtest_writew(QTestState *s, uint64_t addr, uint16_t value);
415 
416 /**
417  * qtest_writel:
418  * @s: #QTestState instance to operate on.
419  * @addr: Guest address to write to.
420  * @value: Value being written.
421  *
422  * Writes a 32-bit value to memory.
423  */
424 void qtest_writel(QTestState *s, uint64_t addr, uint32_t value);
425 
426 /**
427  * qtest_writeq:
428  * @s: #QTestState instance to operate on.
429  * @addr: Guest address to write to.
430  * @value: Value being written.
431  *
432  * Writes a 64-bit value to memory.
433  */
434 void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value);
435 
436 /**
437  * qtest_readb:
438  * @s: #QTestState instance to operate on.
439  * @addr: Guest address to read from.
440  *
441  * Reads an 8-bit value from memory.
442  *
443  * Returns: Value read.
444  */
445 uint8_t qtest_readb(QTestState *s, uint64_t addr);
446 
447 /**
448  * qtest_readw:
449  * @s: #QTestState instance to operate on.
450  * @addr: Guest address to read from.
451  *
452  * Reads a 16-bit value from memory.
453  *
454  * Returns: Value read.
455  */
456 uint16_t qtest_readw(QTestState *s, uint64_t addr);
457 
458 /**
459  * qtest_readl:
460  * @s: #QTestState instance to operate on.
461  * @addr: Guest address to read from.
462  *
463  * Reads a 32-bit value from memory.
464  *
465  * Returns: Value read.
466  */
467 uint32_t qtest_readl(QTestState *s, uint64_t addr);
468 
469 /**
470  * qtest_readq:
471  * @s: #QTestState instance to operate on.
472  * @addr: Guest address to read from.
473  *
474  * Reads a 64-bit value from memory.
475  *
476  * Returns: Value read.
477  */
478 uint64_t qtest_readq(QTestState *s, uint64_t addr);
479 
480 /**
481  * qtest_memread:
482  * @s: #QTestState instance to operate on.
483  * @addr: Guest address to read from.
484  * @data: Pointer to where memory contents will be stored.
485  * @size: Number of bytes to read.
486  *
487  * Read guest memory into a buffer.
488  */
489 void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);
490 
491 /**
492  * qtest_rtas_call:
493  * @s: #QTestState instance to operate on.
494  * @name: name of the command to call.
495  * @nargs: Number of args.
496  * @args: Guest address to read args from.
497  * @nret: Number of return value.
498  * @ret: Guest address to write return values to.
499  *
500  * Call an RTAS function
501  */
502 uint64_t qtest_rtas_call(QTestState *s, const char *name,
503                          uint32_t nargs, uint64_t args,
504                          uint32_t nret, uint64_t ret);
505 
506 /**
507  * qtest_bufread:
508  * @s: #QTestState instance to operate on.
509  * @addr: Guest address to read from.
510  * @data: Pointer to where memory contents will be stored.
511  * @size: Number of bytes to read.
512  *
513  * Read guest memory into a buffer and receive using a base64 encoding.
514  */
515 void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size);
516 
517 /**
518  * qtest_memwrite:
519  * @s: #QTestState instance to operate on.
520  * @addr: Guest address to write to.
521  * @data: Pointer to the bytes that will be written to guest memory.
522  * @size: Number of bytes to write.
523  *
524  * Write a buffer to guest memory.
525  */
526 void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size);
527 
528 /**
529  * qtest_bufwrite:
530  * @s: #QTestState instance to operate on.
531  * @addr: Guest address to write to.
532  * @data: Pointer to the bytes that will be written to guest memory.
533  * @size: Number of bytes to write.
534  *
535  * Write a buffer to guest memory and transmit using a base64 encoding.
536  */
537 void qtest_bufwrite(QTestState *s, uint64_t addr,
538                     const void *data, size_t size);
539 
540 /**
541  * qtest_memset:
542  * @s: #QTestState instance to operate on.
543  * @addr: Guest address to write to.
544  * @patt: Byte pattern to fill the guest memory region with.
545  * @size: Number of bytes to write.
546  *
547  * Write a pattern to guest memory.
548  */
549 void qtest_memset(QTestState *s, uint64_t addr, uint8_t patt, size_t size);
550 
551 /**
552  * qtest_clock_step_next:
553  * @s: #QTestState instance to operate on.
554  *
555  * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
556  *
557  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
558  */
559 int64_t qtest_clock_step_next(QTestState *s);
560 
561 /**
562  * qtest_clock_step:
563  * @s: QTestState instance to operate on.
564  * @step: Number of nanoseconds to advance the clock by.
565  *
566  * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
567  *
568  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
569  */
570 int64_t qtest_clock_step(QTestState *s, int64_t step);
571 
572 /**
573  * qtest_clock_set:
574  * @s: QTestState instance to operate on.
575  * @val: Nanoseconds value to advance the clock to.
576  *
577  * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
578  *
579  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
580  */
581 int64_t qtest_clock_set(QTestState *s, int64_t val);
582 
583 /**
584  * qtest_big_endian:
585  * @s: QTestState instance to operate on.
586  *
587  * Returns: True if the architecture under test has a big endian configuration.
588  */
589 bool qtest_big_endian(QTestState *s);
590 
591 /**
592  * qtest_get_arch:
593  *
594  * Returns: The architecture for the QEMU executable under test.
595  */
596 const char *qtest_get_arch(void);
597 
598 /**
599  * qtest_has_accel:
600  * @accel_name: Accelerator name to check for.
601  *
602  * Returns: true if the accelerator is built in.
603  */
604 bool qtest_has_accel(const char *accel_name);
605 
606 /**
607  * qtest_add_func:
608  * @str: Test case path.
609  * @fn: Test case function
610  *
611  * Add a GTester testcase with the given name and function.
612  * The path is prefixed with the architecture under test, as
613  * returned by qtest_get_arch().
614  */
615 void qtest_add_func(const char *str, void (*fn)(void));
616 
617 /**
618  * qtest_add_data_func:
619  * @str: Test case path.
620  * @data: Test case data
621  * @fn: Test case function
622  *
623  * Add a GTester testcase with the given name, data and function.
624  * The path is prefixed with the architecture under test, as
625  * returned by qtest_get_arch().
626  */
627 void qtest_add_data_func(const char *str, const void *data,
628                          void (*fn)(const void *));
629 
630 /**
631  * qtest_add_data_func_full:
632  * @str: Test case path.
633  * @data: Test case data
634  * @fn: Test case function
635  * @data_free_func: GDestroyNotify for data
636  *
637  * Add a GTester testcase with the given name, data and function.
638  * The path is prefixed with the architecture under test, as
639  * returned by qtest_get_arch().
640  *
641  * @data is passed to @data_free_func() on test completion.
642  */
643 void qtest_add_data_func_full(const char *str, void *data,
644                               void (*fn)(const void *),
645                               GDestroyNotify data_free_func);
646 
647 /**
648  * qtest_add:
649  * @testpath: Test case path
650  * @Fixture: Fixture type
651  * @tdata: Test case data
652  * @fsetup: Test case setup function
653  * @ftest: Test case function
654  * @fteardown: Test case teardown function
655  *
656  * Add a GTester testcase with the given name, data and functions.
657  * The path is prefixed with the architecture under test, as
658  * returned by qtest_get_arch().
659  */
660 #define qtest_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
661     do { \
662         char *path = g_strdup_printf("/%s/%s", qtest_get_arch(), testpath); \
663         g_test_add(path, Fixture, tdata, fsetup, ftest, fteardown); \
664         g_free(path); \
665     } while (0)
666 
667 /**
668  * qtest_add_abrt_handler:
669  * @fn: Handler function
670  * @data: Argument that is passed to the handler
671  *
672  * Add a handler function that is invoked on SIGABRT. This can be used to
673  * terminate processes and perform other cleanup. The handler can be removed
674  * with qtest_remove_abrt_handler().
675  */
676 void qtest_add_abrt_handler(GHookFunc fn, const void *data);
677 
678 /**
679  * qtest_remove_abrt_handler:
680  * @data: Argument previously passed to qtest_add_abrt_handler()
681  *
682  * Remove an abrt handler that was previously added with
683  * qtest_add_abrt_handler().
684  */
685 void qtest_remove_abrt_handler(void *data);
686 
687 /**
688  * qtest_qmp_assert_success:
689  * @qts: QTestState instance to operate on
690  * @fmt: QMP message to send to qemu, formatted like
691  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
692  * supported after '%'.
693  *
694  * Sends a QMP message to QEMU and asserts that a 'return' key is present in
695  * the response.
696  */
697 void qtest_qmp_assert_success(QTestState *qts, const char *fmt, ...)
698     G_GNUC_PRINTF(2, 3);
699 
700 /**
701  * qtest_cb_for_every_machine:
702  * @cb: Pointer to the callback function
703  * @skip_old_versioned: true if versioned old machine types should be skipped
704  *
705  *  Call a callback function for every name of all available machines.
706  */
707 void qtest_cb_for_every_machine(void (*cb)(const char *machine),
708                                 bool skip_old_versioned);
709 
710 /**
711  * qtest_has_machine:
712  * @machine: The machine to look for
713  *
714  * Returns: true if the machine is available in the target binary.
715  */
716 bool qtest_has_machine(const char *machine);
717 
718 /**
719  * qtest_has_device:
720  * @device: The device to look for
721  *
722  * Returns: true if the device is available in the target binary.
723  */
724 bool qtest_has_device(const char *device);
725 
726 /**
727  * qtest_qmp_device_add_qdict:
728  * @qts: QTestState instance to operate on
729  * @drv: Name of the device that should be added
730  * @arguments: QDict with properties for the device to intialize
731  *
732  * Generic hot-plugging test via the device_add QMP command with properties
733  * supplied in form of QDict. Use NULL for empty properties list.
734  */
735 void qtest_qmp_device_add_qdict(QTestState *qts, const char *drv,
736                                 const QDict *arguments);
737 
738 /**
739  * qtest_qmp_device_add:
740  * @qts: QTestState instance to operate on
741  * @driver: Name of the device that should be added
742  * @id: Identification string
743  * @fmt: QMP message to send to qemu, formatted like
744  * qobject_from_jsonf_nofail().  See parse_interpolation() for what's
745  * supported after '%'.
746  *
747  * Generic hot-plugging test via the device_add QMP command.
748  */
749 void qtest_qmp_device_add(QTestState *qts, const char *driver, const char *id,
750                           const char *fmt, ...) G_GNUC_PRINTF(4, 5);
751 
752 #ifndef _WIN32
753 /**
754  * qtest_qmp_add_client:
755  * @qts: QTestState instance to operate on
756  * @protocol: the protocol to add to
757  * @fd: the client file-descriptor
758  *
759  * Call QMP ``getfd`` followed by ``add_client`` with the given @fd.
760  */
761 void qtest_qmp_add_client(QTestState *qts, const char *protocol, int fd);
762 #endif /* _WIN32 */
763 
764 /**
765  * qtest_qmp_device_del:
766  * @qts: QTestState instance to operate on
767  * @id: Identification string
768  *
769  * Generic hot-unplugging test via the device_del QMP command.
770  */
771 void qtest_qmp_device_del(QTestState *qts, const char *id);
772 
773 /**
774  * qtest_probe_child:
775  * @s: QTestState instance to operate on.
776  *
777  * Returns: true if the child is still alive.
778  */
779 bool qtest_probe_child(QTestState *s);
780 
781 /**
782  * qtest_set_expected_status:
783  * @s: QTestState instance to operate on.
784  * @status: an expected exit status.
785  *
786  * Set expected exit status of the child.
787  */
788 void qtest_set_expected_status(QTestState *s, int status);
789 
790 QTestState *qtest_inproc_init(QTestState **s, bool log, const char* arch,
791                     void (*send)(void*, const char*));
792 
793 void qtest_client_inproc_recv(void *opaque, const char *str);
794 
795 /**
796  * qtest_qom_set_bool:
797  * @s: QTestState instance to operate on.
798  * @path: Path to the property being set.
799  * @property: Property being set.
800  * @value: Value to set the property.
801  *
802  * Set the property with passed in value.
803  */
804 void qtest_qom_set_bool(QTestState *s, const char *path, const char *property,
805                          bool value);
806 
807 /**
808  * qtest_qom_get_bool:
809  * @s: QTestState instance to operate on.
810  * @path: Path to the property being retrieved.
811  * @property: Property from where the value is being retrieved.
812  *
813  * Returns: Value retrieved from property.
814  */
815 bool qtest_qom_get_bool(QTestState *s, const char *path, const char *property);
816 #endif
817