summaryrefslogtreecommitdiff
path: root/tests/libqtest.h
blob: 110e2ecdafe583f10043bb99de10210760bf6a95 (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
/*
 * QTest
 *
 * Copyright IBM, Corp. 2012
 * Copyright Red Hat, Inc. 2012
 *
 * Authors:
 *  Anthony Liguori   <aliguori@us.ibm.com>
 *  Paolo Bonzini     <pbonzini@redhat.com>
 *
 * 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 <stdint.h>
#include <stdbool.h>
#include <sys/types.h>

typedef struct QTestState QTestState;

extern QTestState *global_qtest;

/**
 * qtest_init:
 * @extra_args: other arguments to pass to QEMU.
 */
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:
 * @s: QTestState instance to operate on.
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU
 */
void qtest_qmp(QTestState *s, const char *fmt, ...);

/**
 * qtest_get_irq:
 * @s: QTestState instance to operate on.
 * @num: Interrupt to observe.
 *
 * Return 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_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_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_clock_step_next:
 * @s: QTestState instance to operate on.
 *
 * Advance the vm_clock to the next deadline.  Return the current
 * value of the vm_clock 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 vm_clock by @step nanoseconds.  Return the current
 * value of the vm_clock 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 vm_clock to @val nanoseconds since the VM was launched.
 * Return the current value of the vm_clock 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_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" macros documented below.
 */
#define qtest_start(args) (            \
    global_qtest = qtest_init((args)) \
        )

/**
 * qmp:
 * @fmt...: QMP message to send to qemu
 *
 * Sends a QMP message to QEMU
 */
#define qmp(fmt, ...) qtest_qmp(global_qtest, fmt, ## __VA_ARGS__)

/**
 * get_irq:
 * @num: Interrupt to observe.
 *
 * Return the level of the @num interrupt.
 */
#define get_irq(num) 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.
 */
#define irq_intercept_in(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.
 */
#define irq_intercept_out(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.
 */
#define outb(addr, val) qtest_outb(global_qtest, addr, val)

/**
 * outw:
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write a 16-bit value to an I/O port.
 */
#define outw(addr, val) qtest_outw(global_qtest, addr, val)

/**
 * outl:
 * @addr: I/O port to write to.
 * @value: Value being written.
 *
 * Write a 32-bit value to an I/O port.
 */
#define outl(addr, val) qtest_outl(global_qtest, addr, val)

/**
 * inb:
 * @addr: I/O port to read from.
 *
 * Returns an 8-bit value from an I/O port.
 */
#define inb(addr) qtest_inb(global_qtest, addr)

/**
 * inw:
 * @addr: I/O port to read from.
 *
 * Returns a 16-bit value from an I/O port.
 */
#define inw(addr) qtest_inw(global_qtest, addr)

/**
 * inl:
 * @addr: I/O port to read from.
 *
 * Returns a 32-bit value from an I/O port.
 */
#define inl(addr) qtest_inl(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.
 */
#define memread(addr, data, size) qtest_memread(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.
 */
#define memwrite(addr, data, size) qtest_memwrite(global_qtest, addr, data, size)

/**
 * clock_step_next:
 *
 * Advance the vm_clock to the next deadline.  Return the current
 * value of the vm_clock in nanoseconds.
 */
#define clock_step_next() qtest_clock_step_next(global_qtest)

/**
 * clock_step:
 * @step: Number of nanoseconds to advance the clock by.
 *
 * Advance the vm_clock by @step nanoseconds.  Return the current
 * value of the vm_clock in nanoseconds.
 */
#define clock_step(step) qtest_clock_step(global_qtest, step)

/**
 * clock_set:
 * @val: Nanoseconds value to advance the clock to.
 *
 * Advance the vm_clock to @val nanoseconds since the VM was launched.
 * Return the current value of the vm_clock in nanoseconds.
 */
#define clock_set(val) qtest_clock_set(global_qtest, val)

#endif