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2668b4bf EH |
1 | /* |
2 | * Test code for VMState | |
3 | * | |
4 | * Copyright (c) 2013 Red Hat Inc. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
681c28a3 | 25 | #include "qemu/osdep.h" |
2668b4bf EH |
26 | |
27 | #include "qemu-common.h" | |
28 | #include "migration/migration.h" | |
29 | #include "migration/vmstate.h" | |
82b9d0f0 | 30 | #include "migration/qemu-file.h" |
40014d81 | 31 | #include "../migration/qemu-file-channel.h" |
10817bf0 | 32 | #include "qemu/coroutine.h" |
8925839f | 33 | #include "io/channel-file.h" |
2668b4bf | 34 | |
748bfb4e SW |
35 | static char temp_file[] = "/tmp/vmst.test.XXXXXX"; |
36 | static int temp_fd; | |
2668b4bf | 37 | |
9935baca | 38 | |
2668b4bf | 39 | /* Duplicate temp_fd and seek to the beginning of the file */ |
c6f6646c | 40 | static QEMUFile *open_test_file(bool write) |
2668b4bf EH |
41 | { |
42 | int fd = dup(temp_fd); | |
8925839f | 43 | QIOChannel *ioc; |
4ae3c0e2 MAL |
44 | QEMUFile *f; |
45 | ||
2668b4bf | 46 | lseek(fd, 0, SEEK_SET); |
c6f6646c | 47 | if (write) { |
2668b4bf EH |
48 | g_assert_cmpint(ftruncate(fd, 0), ==, 0); |
49 | } | |
8925839f DB |
50 | ioc = QIO_CHANNEL(qio_channel_file_new_fd(fd)); |
51 | if (write) { | |
4ae3c0e2 | 52 | f = qemu_fopen_channel_output(ioc); |
8925839f | 53 | } else { |
4ae3c0e2 | 54 | f = qemu_fopen_channel_input(ioc); |
8925839f | 55 | } |
4ae3c0e2 MAL |
56 | object_unref(OBJECT(ioc)); |
57 | return f; | |
2668b4bf EH |
58 | } |
59 | ||
4ea7df4e JQ |
60 | #define SUCCESS(val) \ |
61 | g_assert_cmpint((val), ==, 0) | |
2668b4bf | 62 | |
4ea7df4e JQ |
63 | #define FAILURE(val) \ |
64 | g_assert_cmpint((val), !=, 0) | |
2668b4bf | 65 | |
4ea7df4e JQ |
66 | static void save_vmstate(const VMStateDescription *desc, void *obj) |
67 | { | |
68 | QEMUFile *f = open_test_file(true); | |
69 | ||
70 | /* Save file with vmstate */ | |
8118f095 | 71 | vmstate_save_state(f, desc, obj, NULL); |
4ea7df4e JQ |
72 | qemu_put_byte(f, QEMU_VM_EOF); |
73 | g_assert(!qemu_file_get_error(f)); | |
74 | qemu_fclose(f); | |
75 | } | |
2668b4bf | 76 | |
6d57b4c0 HP |
77 | static void save_buffer(const uint8_t *buf, size_t buf_size) |
78 | { | |
79 | QEMUFile *fsave = open_test_file(true); | |
80 | qemu_put_buffer(fsave, buf, buf_size); | |
81 | qemu_fclose(fsave); | |
82 | } | |
83 | ||
5c379d90 | 84 | static void compare_vmstate(const uint8_t *wire, size_t size) |
2668b4bf | 85 | { |
4ea7df4e JQ |
86 | QEMUFile *f = open_test_file(false); |
87 | uint8_t result[size]; | |
2668b4bf | 88 | |
4ea7df4e JQ |
89 | /* read back as binary */ |
90 | ||
91 | g_assert_cmpint(qemu_get_buffer(f, result, sizeof(result)), ==, | |
2668b4bf | 92 | sizeof(result)); |
4ea7df4e JQ |
93 | g_assert(!qemu_file_get_error(f)); |
94 | ||
95 | /* Compare that what is on the file is the same that what we | |
96 | expected to be there */ | |
97 | SUCCESS(memcmp(result, wire, sizeof(result))); | |
2668b4bf EH |
98 | |
99 | /* Must reach EOF */ | |
4ea7df4e JQ |
100 | qemu_get_byte(f); |
101 | g_assert_cmpint(qemu_file_get_error(f), ==, -EIO); | |
2668b4bf | 102 | |
4ea7df4e | 103 | qemu_fclose(f); |
2668b4bf EH |
104 | } |
105 | ||
4ea7df4e | 106 | static int load_vmstate_one(const VMStateDescription *desc, void *obj, |
5c379d90 | 107 | int version, const uint8_t *wire, size_t size) |
2668b4bf | 108 | { |
4ea7df4e JQ |
109 | QEMUFile *f; |
110 | int ret; | |
111 | ||
112 | f = open_test_file(true); | |
113 | qemu_put_buffer(f, wire, size); | |
114 | qemu_fclose(f); | |
115 | ||
116 | f = open_test_file(false); | |
117 | ret = vmstate_load_state(f, desc, obj, version); | |
118 | if (ret) { | |
119 | g_assert(qemu_file_get_error(f)); | |
120 | } else{ | |
121 | g_assert(!qemu_file_get_error(f)); | |
122 | } | |
123 | qemu_fclose(f); | |
124 | return ret; | |
125 | } | |
2668b4bf | 126 | |
4ea7df4e JQ |
127 | |
128 | static int load_vmstate(const VMStateDescription *desc, | |
129 | void *obj, void *obj_clone, | |
130 | void (*obj_copy)(void *, void*), | |
5c379d90 | 131 | int version, const uint8_t *wire, size_t size) |
4ea7df4e JQ |
132 | { |
133 | /* We test with zero size */ | |
134 | obj_copy(obj_clone, obj); | |
135 | FAILURE(load_vmstate_one(desc, obj, version, wire, 0)); | |
136 | ||
137 | /* Stream ends with QEMU_EOF, so we need at least 3 bytes to be | |
138 | * able to test in the middle */ | |
139 | ||
140 | if (size > 3) { | |
141 | ||
142 | /* We test with size - 2. We can't test size - 1 due to EOF tricks */ | |
143 | obj_copy(obj, obj_clone); | |
144 | FAILURE(load_vmstate_one(desc, obj, version, wire, size - 2)); | |
145 | ||
146 | /* Test with size/2, first half of real state */ | |
147 | obj_copy(obj, obj_clone); | |
148 | FAILURE(load_vmstate_one(desc, obj, version, wire, size/2)); | |
149 | ||
150 | /* Test with size/2, second half of real state */ | |
151 | obj_copy(obj, obj_clone); | |
152 | FAILURE(load_vmstate_one(desc, obj, version, wire + (size/2), size/2)); | |
153 | ||
154 | } | |
155 | obj_copy(obj, obj_clone); | |
156 | return load_vmstate_one(desc, obj, version, wire, size); | |
157 | } | |
158 | ||
159 | /* Test struct that we are going to use for our tests */ | |
160 | ||
161 | typedef struct TestSimple { | |
162 | bool b_1, b_2; | |
163 | uint8_t u8_1; | |
164 | uint16_t u16_1; | |
165 | uint32_t u32_1; | |
166 | uint64_t u64_1; | |
167 | int8_t i8_1, i8_2; | |
168 | int16_t i16_1, i16_2; | |
169 | int32_t i32_1, i32_2; | |
170 | int64_t i64_1, i64_2; | |
171 | } TestSimple; | |
172 | ||
173 | /* Object instantiation, we are going to use it in more than one test */ | |
174 | ||
175 | TestSimple obj_simple = { | |
176 | .b_1 = true, | |
177 | .b_2 = false, | |
178 | .u8_1 = 130, | |
179 | .u16_1 = 512, | |
180 | .u32_1 = 70000, | |
181 | .u64_1 = 12121212, | |
182 | .i8_1 = 65, | |
183 | .i8_2 = -65, | |
184 | .i16_1 = 512, | |
185 | .i16_2 = -512, | |
186 | .i32_1 = 70000, | |
187 | .i32_2 = -70000, | |
188 | .i64_1 = 12121212, | |
189 | .i64_2 = -12121212, | |
190 | }; | |
191 | ||
192 | /* Description of the values. If you add a primitive type | |
193 | you are expected to add a test here */ | |
194 | ||
195 | static const VMStateDescription vmstate_simple_primitive = { | |
196 | .name = "simple/primitive", | |
197 | .version_id = 1, | |
198 | .minimum_version_id = 1, | |
199 | .fields = (VMStateField[]) { | |
200 | VMSTATE_BOOL(b_1, TestSimple), | |
201 | VMSTATE_BOOL(b_2, TestSimple), | |
202 | VMSTATE_UINT8(u8_1, TestSimple), | |
203 | VMSTATE_UINT16(u16_1, TestSimple), | |
204 | VMSTATE_UINT32(u32_1, TestSimple), | |
205 | VMSTATE_UINT64(u64_1, TestSimple), | |
206 | VMSTATE_INT8(i8_1, TestSimple), | |
207 | VMSTATE_INT8(i8_2, TestSimple), | |
208 | VMSTATE_INT16(i16_1, TestSimple), | |
209 | VMSTATE_INT16(i16_2, TestSimple), | |
210 | VMSTATE_INT32(i32_1, TestSimple), | |
211 | VMSTATE_INT32(i32_2, TestSimple), | |
212 | VMSTATE_INT64(i64_1, TestSimple), | |
213 | VMSTATE_INT64(i64_2, TestSimple), | |
214 | VMSTATE_END_OF_LIST() | |
215 | } | |
216 | }; | |
217 | ||
218 | /* It describes what goes through the wire. Our tests are basically: | |
219 | ||
220 | * save test | |
221 | - save a struct a vmstate to a file | |
222 | - read that file back (binary read, no vmstate) | |
223 | - compare it with what we expect to be on the wire | |
224 | * load test | |
225 | - save to the file what we expect to be on the wire | |
226 | - read struct back with vmstate in a different | |
227 | - compare back with the original struct | |
228 | */ | |
229 | ||
230 | uint8_t wire_simple_primitive[] = { | |
231 | /* b_1 */ 0x01, | |
232 | /* b_2 */ 0x00, | |
233 | /* u8_1 */ 0x82, | |
234 | /* u16_1 */ 0x02, 0x00, | |
235 | /* u32_1 */ 0x00, 0x01, 0x11, 0x70, | |
236 | /* u64_1 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xf4, 0x7c, | |
237 | /* i8_1 */ 0x41, | |
238 | /* i8_2 */ 0xbf, | |
239 | /* i16_1 */ 0x02, 0x00, | |
240 | /* i16_2 */ 0xfe, 0x0, | |
241 | /* i32_1 */ 0x00, 0x01, 0x11, 0x70, | |
242 | /* i32_2 */ 0xff, 0xfe, 0xee, 0x90, | |
243 | /* i64_1 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xf4, 0x7c, | |
244 | /* i64_2 */ 0xff, 0xff, 0xff, 0xff, 0xff, 0x47, 0x0b, 0x84, | |
245 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
246 | }; | |
247 | ||
248 | static void obj_simple_copy(void *target, void *source) | |
249 | { | |
250 | memcpy(target, source, sizeof(TestSimple)); | |
251 | } | |
252 | ||
253 | static void test_simple_primitive(void) | |
254 | { | |
255 | TestSimple obj, obj_clone; | |
256 | ||
257 | memset(&obj, 0, sizeof(obj)); | |
258 | save_vmstate(&vmstate_simple_primitive, &obj_simple); | |
259 | ||
260 | compare_vmstate(wire_simple_primitive, sizeof(wire_simple_primitive)); | |
261 | ||
262 | SUCCESS(load_vmstate(&vmstate_simple_primitive, &obj, &obj_clone, | |
263 | obj_simple_copy, 1, wire_simple_primitive, | |
264 | sizeof(wire_simple_primitive))); | |
265 | ||
266 | #define FIELD_EQUAL(name) g_assert_cmpint(obj.name, ==, obj_simple.name) | |
267 | ||
268 | FIELD_EQUAL(b_1); | |
269 | FIELD_EQUAL(b_2); | |
270 | FIELD_EQUAL(u8_1); | |
271 | FIELD_EQUAL(u16_1); | |
272 | FIELD_EQUAL(u32_1); | |
273 | FIELD_EQUAL(u64_1); | |
274 | FIELD_EQUAL(i8_1); | |
275 | FIELD_EQUAL(i8_2); | |
276 | FIELD_EQUAL(i16_1); | |
277 | FIELD_EQUAL(i16_2); | |
278 | FIELD_EQUAL(i32_1); | |
279 | FIELD_EQUAL(i32_2); | |
280 | FIELD_EQUAL(i64_1); | |
281 | FIELD_EQUAL(i64_2); | |
2668b4bf | 282 | } |
4ea7df4e JQ |
283 | |
284 | typedef struct TestStruct { | |
285 | uint32_t a, b, c, e; | |
286 | uint64_t d, f; | |
287 | bool skip_c_e; | |
288 | } TestStruct; | |
2668b4bf EH |
289 | |
290 | static const VMStateDescription vmstate_versioned = { | |
4ea7df4e | 291 | .name = "test/versioned", |
2668b4bf EH |
292 | .version_id = 2, |
293 | .minimum_version_id = 1, | |
35d08458 | 294 | .fields = (VMStateField[]) { |
2668b4bf EH |
295 | VMSTATE_UINT32(a, TestStruct), |
296 | VMSTATE_UINT32_V(b, TestStruct, 2), /* Versioned field in the middle, so | |
297 | * we catch bugs more easily. | |
298 | */ | |
299 | VMSTATE_UINT32(c, TestStruct), | |
300 | VMSTATE_UINT64(d, TestStruct), | |
301 | VMSTATE_UINT32_V(e, TestStruct, 2), | |
302 | VMSTATE_UINT64_V(f, TestStruct, 2), | |
303 | VMSTATE_END_OF_LIST() | |
304 | } | |
305 | }; | |
306 | ||
307 | static void test_load_v1(void) | |
308 | { | |
2668b4bf EH |
309 | uint8_t buf[] = { |
310 | 0, 0, 0, 10, /* a */ | |
311 | 0, 0, 0, 30, /* c */ | |
312 | 0, 0, 0, 0, 0, 0, 0, 40, /* d */ | |
313 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
314 | }; | |
6d57b4c0 | 315 | save_buffer(buf, sizeof(buf)); |
2668b4bf | 316 | |
c6f6646c | 317 | QEMUFile *loading = open_test_file(false); |
2668b4bf EH |
318 | TestStruct obj = { .b = 200, .e = 500, .f = 600 }; |
319 | vmstate_load_state(loading, &vmstate_versioned, &obj, 1); | |
320 | g_assert(!qemu_file_get_error(loading)); | |
321 | g_assert_cmpint(obj.a, ==, 10); | |
322 | g_assert_cmpint(obj.b, ==, 200); | |
323 | g_assert_cmpint(obj.c, ==, 30); | |
324 | g_assert_cmpint(obj.d, ==, 40); | |
325 | g_assert_cmpint(obj.e, ==, 500); | |
326 | g_assert_cmpint(obj.f, ==, 600); | |
327 | qemu_fclose(loading); | |
328 | } | |
329 | ||
330 | static void test_load_v2(void) | |
331 | { | |
2668b4bf EH |
332 | uint8_t buf[] = { |
333 | 0, 0, 0, 10, /* a */ | |
334 | 0, 0, 0, 20, /* b */ | |
335 | 0, 0, 0, 30, /* c */ | |
336 | 0, 0, 0, 0, 0, 0, 0, 40, /* d */ | |
337 | 0, 0, 0, 50, /* e */ | |
338 | 0, 0, 0, 0, 0, 0, 0, 60, /* f */ | |
339 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
340 | }; | |
6d57b4c0 | 341 | save_buffer(buf, sizeof(buf)); |
2668b4bf | 342 | |
c6f6646c | 343 | QEMUFile *loading = open_test_file(false); |
2668b4bf EH |
344 | TestStruct obj; |
345 | vmstate_load_state(loading, &vmstate_versioned, &obj, 2); | |
346 | g_assert_cmpint(obj.a, ==, 10); | |
347 | g_assert_cmpint(obj.b, ==, 20); | |
348 | g_assert_cmpint(obj.c, ==, 30); | |
349 | g_assert_cmpint(obj.d, ==, 40); | |
350 | g_assert_cmpint(obj.e, ==, 50); | |
351 | g_assert_cmpint(obj.f, ==, 60); | |
352 | qemu_fclose(loading); | |
353 | } | |
354 | ||
355 | static bool test_skip(void *opaque, int version_id) | |
356 | { | |
357 | TestStruct *t = (TestStruct *)opaque; | |
358 | return !t->skip_c_e; | |
359 | } | |
360 | ||
361 | static const VMStateDescription vmstate_skipping = { | |
4ea7df4e | 362 | .name = "test/skip", |
2668b4bf EH |
363 | .version_id = 2, |
364 | .minimum_version_id = 1, | |
35d08458 | 365 | .fields = (VMStateField[]) { |
2668b4bf EH |
366 | VMSTATE_UINT32(a, TestStruct), |
367 | VMSTATE_UINT32(b, TestStruct), | |
368 | VMSTATE_UINT32_TEST(c, TestStruct, test_skip), | |
369 | VMSTATE_UINT64(d, TestStruct), | |
370 | VMSTATE_UINT32_TEST(e, TestStruct, test_skip), | |
371 | VMSTATE_UINT64_V(f, TestStruct, 2), | |
372 | VMSTATE_END_OF_LIST() | |
373 | } | |
374 | }; | |
375 | ||
376 | ||
377 | static void test_save_noskip(void) | |
378 | { | |
a8ec4437 | 379 | QEMUFile *fsave = open_test_file(true); |
2668b4bf EH |
380 | TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6, |
381 | .skip_c_e = false }; | |
8118f095 | 382 | vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL); |
2668b4bf | 383 | g_assert(!qemu_file_get_error(fsave)); |
2668b4bf | 384 | |
2668b4bf EH |
385 | uint8_t expected[] = { |
386 | 0, 0, 0, 1, /* a */ | |
387 | 0, 0, 0, 2, /* b */ | |
388 | 0, 0, 0, 3, /* c */ | |
389 | 0, 0, 0, 0, 0, 0, 0, 4, /* d */ | |
390 | 0, 0, 0, 5, /* e */ | |
391 | 0, 0, 0, 0, 0, 0, 0, 6, /* f */ | |
392 | }; | |
a8ec4437 | 393 | |
9935baca | 394 | qemu_fclose(fsave); |
a8ec4437 | 395 | compare_vmstate(expected, sizeof(expected)); |
2668b4bf EH |
396 | } |
397 | ||
398 | static void test_save_skip(void) | |
399 | { | |
a8ec4437 | 400 | QEMUFile *fsave = open_test_file(true); |
2668b4bf EH |
401 | TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6, |
402 | .skip_c_e = true }; | |
8118f095 | 403 | vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL); |
2668b4bf | 404 | g_assert(!qemu_file_get_error(fsave)); |
2668b4bf | 405 | |
2668b4bf EH |
406 | uint8_t expected[] = { |
407 | 0, 0, 0, 1, /* a */ | |
408 | 0, 0, 0, 2, /* b */ | |
409 | 0, 0, 0, 0, 0, 0, 0, 4, /* d */ | |
410 | 0, 0, 0, 0, 0, 0, 0, 6, /* f */ | |
411 | }; | |
2668b4bf | 412 | |
9935baca | 413 | qemu_fclose(fsave); |
a8ec4437 | 414 | compare_vmstate(expected, sizeof(expected)); |
2668b4bf EH |
415 | } |
416 | ||
417 | static void test_load_noskip(void) | |
418 | { | |
2668b4bf EH |
419 | uint8_t buf[] = { |
420 | 0, 0, 0, 10, /* a */ | |
421 | 0, 0, 0, 20, /* b */ | |
422 | 0, 0, 0, 30, /* c */ | |
423 | 0, 0, 0, 0, 0, 0, 0, 40, /* d */ | |
424 | 0, 0, 0, 50, /* e */ | |
425 | 0, 0, 0, 0, 0, 0, 0, 60, /* f */ | |
426 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
427 | }; | |
6d57b4c0 | 428 | save_buffer(buf, sizeof(buf)); |
2668b4bf | 429 | |
a8ec4437 | 430 | QEMUFile *loading = open_test_file(false); |
2668b4bf EH |
431 | TestStruct obj = { .skip_c_e = false }; |
432 | vmstate_load_state(loading, &vmstate_skipping, &obj, 2); | |
433 | g_assert(!qemu_file_get_error(loading)); | |
434 | g_assert_cmpint(obj.a, ==, 10); | |
435 | g_assert_cmpint(obj.b, ==, 20); | |
436 | g_assert_cmpint(obj.c, ==, 30); | |
437 | g_assert_cmpint(obj.d, ==, 40); | |
438 | g_assert_cmpint(obj.e, ==, 50); | |
439 | g_assert_cmpint(obj.f, ==, 60); | |
440 | qemu_fclose(loading); | |
441 | } | |
442 | ||
443 | static void test_load_skip(void) | |
444 | { | |
2668b4bf EH |
445 | uint8_t buf[] = { |
446 | 0, 0, 0, 10, /* a */ | |
447 | 0, 0, 0, 20, /* b */ | |
448 | 0, 0, 0, 0, 0, 0, 0, 40, /* d */ | |
449 | 0, 0, 0, 0, 0, 0, 0, 60, /* f */ | |
450 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
451 | }; | |
6d57b4c0 | 452 | save_buffer(buf, sizeof(buf)); |
2668b4bf | 453 | |
a8ec4437 | 454 | QEMUFile *loading = open_test_file(false); |
2668b4bf EH |
455 | TestStruct obj = { .skip_c_e = true, .c = 300, .e = 500 }; |
456 | vmstate_load_state(loading, &vmstate_skipping, &obj, 2); | |
457 | g_assert(!qemu_file_get_error(loading)); | |
458 | g_assert_cmpint(obj.a, ==, 10); | |
459 | g_assert_cmpint(obj.b, ==, 20); | |
460 | g_assert_cmpint(obj.c, ==, 300); | |
461 | g_assert_cmpint(obj.d, ==, 40); | |
462 | g_assert_cmpint(obj.e, ==, 500); | |
463 | g_assert_cmpint(obj.f, ==, 60); | |
464 | qemu_fclose(loading); | |
465 | } | |
466 | ||
8cc49f03 HP |
467 | typedef struct { |
468 | int32_t i; | |
469 | } TestStructTriv; | |
470 | ||
471 | const VMStateDescription vmsd_tst = { | |
472 | .name = "test/tst", | |
473 | .version_id = 1, | |
474 | .minimum_version_id = 1, | |
475 | .fields = (VMStateField[]) { | |
476 | VMSTATE_INT32(i, TestStructTriv), | |
477 | VMSTATE_END_OF_LIST() | |
478 | } | |
479 | }; | |
480 | ||
cc958831 HP |
481 | /* test array migration */ |
482 | ||
8cc49f03 HP |
483 | #define AR_SIZE 4 |
484 | ||
485 | typedef struct { | |
486 | TestStructTriv *ar[AR_SIZE]; | |
487 | } TestArrayOfPtrToStuct; | |
488 | ||
489 | const VMStateDescription vmsd_arps = { | |
490 | .name = "test/arps", | |
491 | .version_id = 1, | |
492 | .minimum_version_id = 1, | |
493 | .fields = (VMStateField[]) { | |
494 | VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(ar, TestArrayOfPtrToStuct, | |
495 | AR_SIZE, 0, vmsd_tst, TestStructTriv), | |
496 | VMSTATE_END_OF_LIST() | |
497 | } | |
498 | }; | |
cc958831 HP |
499 | |
500 | static uint8_t wire_arr_ptr_no0[] = { | |
501 | 0x00, 0x00, 0x00, 0x00, | |
502 | 0x00, 0x00, 0x00, 0x01, | |
503 | 0x00, 0x00, 0x00, 0x02, | |
504 | 0x00, 0x00, 0x00, 0x03, | |
505 | QEMU_VM_EOF | |
506 | }; | |
507 | ||
8cc49f03 HP |
508 | static void test_arr_ptr_str_no0_save(void) |
509 | { | |
510 | TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} }; | |
511 | TestArrayOfPtrToStuct sample = {.ar = {&ar[0], &ar[1], &ar[2], &ar[3]} }; | |
8cc49f03 HP |
512 | |
513 | save_vmstate(&vmsd_arps, &sample); | |
cc958831 | 514 | compare_vmstate(wire_arr_ptr_no0, sizeof(wire_arr_ptr_no0)); |
8cc49f03 HP |
515 | } |
516 | ||
517 | static void test_arr_ptr_str_no0_load(void) | |
518 | { | |
519 | TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} }; | |
520 | TestStructTriv ar[AR_SIZE] = {}; | |
521 | TestArrayOfPtrToStuct obj = {.ar = {&ar[0], &ar[1], &ar[2], &ar[3]} }; | |
522 | int idx; | |
8cc49f03 | 523 | |
cc958831 HP |
524 | save_buffer(wire_arr_ptr_no0, sizeof(wire_arr_ptr_no0)); |
525 | SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1, | |
526 | wire_arr_ptr_no0, sizeof(wire_arr_ptr_no0))); | |
527 | for (idx = 0; idx < AR_SIZE; ++idx) { | |
528 | /* compare the target array ar with the ground truth array ar_gt */ | |
529 | g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i); | |
530 | } | |
531 | } | |
532 | ||
533 | static uint8_t wire_arr_ptr_0[] = { | |
534 | 0x00, 0x00, 0x00, 0x00, | |
535 | VMS_NULLPTR_MARKER, | |
536 | 0x00, 0x00, 0x00, 0x02, | |
537 | 0x00, 0x00, 0x00, 0x03, | |
538 | QEMU_VM_EOF | |
539 | }; | |
540 | ||
541 | static void test_arr_ptr_str_0_save(void) | |
542 | { | |
543 | TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} }; | |
544 | TestArrayOfPtrToStuct sample = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} }; | |
545 | ||
546 | save_vmstate(&vmsd_arps, &sample); | |
547 | compare_vmstate(wire_arr_ptr_0, sizeof(wire_arr_ptr_0)); | |
548 | } | |
549 | ||
550 | static void test_arr_ptr_str_0_load(void) | |
551 | { | |
552 | TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 0}, {.i = 2}, {.i = 3} }; | |
553 | TestStructTriv ar[AR_SIZE] = {}; | |
554 | TestArrayOfPtrToStuct obj = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} }; | |
555 | int idx; | |
556 | ||
557 | save_buffer(wire_arr_ptr_0, sizeof(wire_arr_ptr_0)); | |
8cc49f03 | 558 | SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1, |
cc958831 | 559 | wire_arr_ptr_0, sizeof(wire_arr_ptr_0))); |
8cc49f03 HP |
560 | for (idx = 0; idx < AR_SIZE; ++idx) { |
561 | /* compare the target array ar with the ground truth array ar_gt */ | |
562 | g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i); | |
563 | } | |
cc958831 HP |
564 | for (idx = 0; idx < AR_SIZE; ++idx) { |
565 | if (idx == 1) { | |
566 | g_assert_cmpint((uintptr_t)(obj.ar[idx]), ==, 0); | |
567 | } else { | |
568 | g_assert_cmpint((uintptr_t)(obj.ar[idx]), !=, 0); | |
569 | } | |
570 | } | |
8cc49f03 HP |
571 | } |
572 | ||
43333099 HP |
573 | typedef struct TestArrayOfPtrToInt { |
574 | int32_t *ar[AR_SIZE]; | |
575 | } TestArrayOfPtrToInt; | |
576 | ||
577 | const VMStateDescription vmsd_arpp = { | |
578 | .name = "test/arps", | |
579 | .version_id = 1, | |
580 | .minimum_version_id = 1, | |
581 | .fields = (VMStateField[]) { | |
582 | VMSTATE_ARRAY_OF_POINTER(ar, TestArrayOfPtrToInt, | |
583 | AR_SIZE, 0, vmstate_info_int32, int32_t*), | |
584 | VMSTATE_END_OF_LIST() | |
585 | } | |
586 | }; | |
587 | ||
588 | static void test_arr_ptr_prim_0_save(void) | |
589 | { | |
590 | int32_t ar[AR_SIZE] = {0 , 1, 2, 3}; | |
591 | TestArrayOfPtrToInt sample = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} }; | |
592 | ||
593 | save_vmstate(&vmsd_arpp, &sample); | |
594 | compare_vmstate(wire_arr_ptr_0, sizeof(wire_arr_ptr_0)); | |
595 | } | |
596 | ||
597 | static void test_arr_ptr_prim_0_load(void) | |
598 | { | |
599 | int32_t ar_gt[AR_SIZE] = {0, 1, 2, 3}; | |
600 | int32_t ar[AR_SIZE] = {3 , 42, 1, 0}; | |
601 | TestArrayOfPtrToInt obj = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} }; | |
602 | int idx; | |
603 | ||
604 | save_buffer(wire_arr_ptr_0, sizeof(wire_arr_ptr_0)); | |
605 | SUCCESS(load_vmstate_one(&vmsd_arpp, &obj, 1, | |
606 | wire_arr_ptr_0, sizeof(wire_arr_ptr_0))); | |
607 | for (idx = 0; idx < AR_SIZE; ++idx) { | |
608 | /* compare the target array ar with the ground truth array ar_gt */ | |
609 | if (idx == 1) { | |
610 | g_assert_cmpint(42, ==, ar[idx]); | |
611 | } else { | |
612 | g_assert_cmpint(ar_gt[idx], ==, ar[idx]); | |
613 | } | |
614 | } | |
615 | } | |
616 | ||
7e99f22c JD |
617 | /* test QTAILQ migration */ |
618 | typedef struct TestQtailqElement TestQtailqElement; | |
619 | ||
620 | struct TestQtailqElement { | |
621 | bool b; | |
622 | uint8_t u8; | |
623 | QTAILQ_ENTRY(TestQtailqElement) next; | |
624 | }; | |
625 | ||
626 | typedef struct TestQtailq { | |
627 | int16_t i16; | |
628 | QTAILQ_HEAD(TestQtailqHead, TestQtailqElement) q; | |
629 | int32_t i32; | |
630 | } TestQtailq; | |
631 | ||
632 | static const VMStateDescription vmstate_q_element = { | |
633 | .name = "test/queue-element", | |
634 | .version_id = 1, | |
635 | .minimum_version_id = 1, | |
636 | .fields = (VMStateField[]) { | |
637 | VMSTATE_BOOL(b, TestQtailqElement), | |
638 | VMSTATE_UINT8(u8, TestQtailqElement), | |
639 | VMSTATE_END_OF_LIST() | |
640 | }, | |
641 | }; | |
642 | ||
643 | static const VMStateDescription vmstate_q = { | |
644 | .name = "test/queue", | |
645 | .version_id = 1, | |
646 | .minimum_version_id = 1, | |
647 | .fields = (VMStateField[]) { | |
648 | VMSTATE_INT16(i16, TestQtailq), | |
649 | VMSTATE_QTAILQ_V(q, TestQtailq, 1, vmstate_q_element, TestQtailqElement, | |
650 | next), | |
651 | VMSTATE_INT32(i32, TestQtailq), | |
652 | VMSTATE_END_OF_LIST() | |
653 | } | |
654 | }; | |
655 | ||
656 | uint8_t wire_q[] = { | |
657 | /* i16 */ 0xfe, 0x0, | |
658 | /* start of element 0 of q */ 0x01, | |
659 | /* .b */ 0x01, | |
660 | /* .u8 */ 0x82, | |
661 | /* start of element 1 of q */ 0x01, | |
662 | /* b */ 0x00, | |
663 | /* u8 */ 0x41, | |
664 | /* end of q */ 0x00, | |
665 | /* i32 */ 0x00, 0x01, 0x11, 0x70, | |
666 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
667 | }; | |
668 | ||
669 | static void test_save_q(void) | |
670 | { | |
671 | TestQtailq obj_q = { | |
672 | .i16 = -512, | |
673 | .i32 = 70000, | |
674 | }; | |
675 | ||
676 | TestQtailqElement obj_qe1 = { | |
677 | .b = true, | |
678 | .u8 = 130, | |
679 | }; | |
680 | ||
681 | TestQtailqElement obj_qe2 = { | |
682 | .b = false, | |
683 | .u8 = 65, | |
684 | }; | |
685 | ||
686 | QTAILQ_INIT(&obj_q.q); | |
687 | QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe1, next); | |
688 | QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe2, next); | |
689 | ||
690 | save_vmstate(&vmstate_q, &obj_q); | |
691 | compare_vmstate(wire_q, sizeof(wire_q)); | |
692 | } | |
693 | ||
694 | static void test_load_q(void) | |
695 | { | |
696 | TestQtailq obj_q = { | |
697 | .i16 = -512, | |
698 | .i32 = 70000, | |
699 | }; | |
700 | ||
701 | TestQtailqElement obj_qe1 = { | |
702 | .b = true, | |
703 | .u8 = 130, | |
704 | }; | |
705 | ||
706 | TestQtailqElement obj_qe2 = { | |
707 | .b = false, | |
708 | .u8 = 65, | |
709 | }; | |
710 | ||
711 | QTAILQ_INIT(&obj_q.q); | |
712 | QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe1, next); | |
713 | QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe2, next); | |
714 | ||
715 | QEMUFile *fsave = open_test_file(true); | |
716 | ||
717 | qemu_put_buffer(fsave, wire_q, sizeof(wire_q)); | |
718 | g_assert(!qemu_file_get_error(fsave)); | |
719 | qemu_fclose(fsave); | |
720 | ||
721 | QEMUFile *fload = open_test_file(false); | |
722 | TestQtailq tgt; | |
723 | ||
724 | QTAILQ_INIT(&tgt.q); | |
725 | vmstate_load_state(fload, &vmstate_q, &tgt, 1); | |
726 | char eof = qemu_get_byte(fload); | |
727 | g_assert(!qemu_file_get_error(fload)); | |
728 | g_assert_cmpint(tgt.i16, ==, obj_q.i16); | |
729 | g_assert_cmpint(tgt.i32, ==, obj_q.i32); | |
730 | g_assert_cmpint(eof, ==, QEMU_VM_EOF); | |
731 | ||
732 | TestQtailqElement *qele_from = QTAILQ_FIRST(&obj_q.q); | |
733 | TestQtailqElement *qlast_from = QTAILQ_LAST(&obj_q.q, TestQtailqHead); | |
734 | TestQtailqElement *qele_to = QTAILQ_FIRST(&tgt.q); | |
735 | TestQtailqElement *qlast_to = QTAILQ_LAST(&tgt.q, TestQtailqHead); | |
736 | ||
737 | while (1) { | |
738 | g_assert_cmpint(qele_to->b, ==, qele_from->b); | |
739 | g_assert_cmpint(qele_to->u8, ==, qele_from->u8); | |
740 | if ((qele_from == qlast_from) || (qele_to == qlast_to)) { | |
741 | break; | |
742 | } | |
743 | qele_from = QTAILQ_NEXT(qele_from, next); | |
744 | qele_to = QTAILQ_NEXT(qele_to, next); | |
745 | } | |
746 | ||
747 | g_assert_cmpint((uintptr_t) qele_from, ==, (uintptr_t) qlast_from); | |
748 | g_assert_cmpint((uintptr_t) qele_to, ==, (uintptr_t) qlast_to); | |
749 | ||
750 | /* clean up */ | |
751 | TestQtailqElement *qele; | |
752 | while (!QTAILQ_EMPTY(&tgt.q)) { | |
753 | qele = QTAILQ_LAST(&tgt.q, TestQtailqHead); | |
754 | QTAILQ_REMOVE(&tgt.q, qele, next); | |
755 | free(qele); | |
756 | qele = NULL; | |
757 | } | |
758 | qemu_fclose(fload); | |
759 | } | |
760 | ||
5c379d90 DDAG |
761 | typedef struct TmpTestStruct { |
762 | TestStruct *parent; | |
763 | int64_t diff; | |
764 | } TmpTestStruct; | |
765 | ||
766 | static void tmp_child_pre_save(void *opaque) | |
767 | { | |
768 | struct TmpTestStruct *tts = opaque; | |
769 | ||
770 | tts->diff = tts->parent->b - tts->parent->a; | |
771 | } | |
772 | ||
773 | static int tmp_child_post_load(void *opaque, int version_id) | |
774 | { | |
775 | struct TmpTestStruct *tts = opaque; | |
776 | ||
777 | tts->parent->b = tts->parent->a + tts->diff; | |
778 | ||
779 | return 0; | |
780 | } | |
781 | ||
782 | static const VMStateDescription vmstate_tmp_back_to_parent = { | |
783 | .name = "test/tmp_child_parent", | |
784 | .fields = (VMStateField[]) { | |
785 | VMSTATE_UINT64(f, TestStruct), | |
786 | VMSTATE_END_OF_LIST() | |
787 | } | |
788 | }; | |
789 | ||
790 | static const VMStateDescription vmstate_tmp_child = { | |
791 | .name = "test/tmp_child", | |
792 | .pre_save = tmp_child_pre_save, | |
793 | .post_load = tmp_child_post_load, | |
794 | .fields = (VMStateField[]) { | |
795 | VMSTATE_INT64(diff, TmpTestStruct), | |
796 | VMSTATE_STRUCT_POINTER(parent, TmpTestStruct, | |
797 | vmstate_tmp_back_to_parent, TestStruct), | |
798 | VMSTATE_END_OF_LIST() | |
799 | } | |
800 | }; | |
801 | ||
802 | static const VMStateDescription vmstate_with_tmp = { | |
803 | .name = "test/with_tmp", | |
804 | .version_id = 1, | |
805 | .fields = (VMStateField[]) { | |
806 | VMSTATE_UINT32(a, TestStruct), | |
807 | VMSTATE_UINT64(d, TestStruct), | |
808 | VMSTATE_WITH_TMP(TestStruct, TmpTestStruct, vmstate_tmp_child), | |
809 | VMSTATE_END_OF_LIST() | |
810 | } | |
811 | }; | |
812 | ||
813 | static void obj_tmp_copy(void *target, void *source) | |
814 | { | |
815 | memcpy(target, source, sizeof(TestStruct)); | |
816 | } | |
817 | ||
818 | static void test_tmp_struct(void) | |
819 | { | |
820 | TestStruct obj, obj_clone; | |
821 | ||
822 | uint8_t const wire_with_tmp[] = { | |
823 | /* u32 a */ 0x00, 0x00, 0x00, 0x02, | |
824 | /* u64 d */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | |
825 | /* diff */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, | |
826 | /* u64 f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, | |
827 | QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */ | |
828 | }; | |
829 | ||
830 | memset(&obj, 0, sizeof(obj)); | |
831 | obj.a = 2; | |
832 | obj.b = 4; | |
833 | obj.d = 1; | |
834 | obj.f = 8; | |
835 | save_vmstate(&vmstate_with_tmp, &obj); | |
836 | ||
837 | compare_vmstate(wire_with_tmp, sizeof(wire_with_tmp)); | |
838 | ||
839 | memset(&obj, 0, sizeof(obj)); | |
840 | SUCCESS(load_vmstate(&vmstate_with_tmp, &obj, &obj_clone, | |
841 | obj_tmp_copy, 1, wire_with_tmp, | |
842 | sizeof(wire_with_tmp))); | |
843 | g_assert_cmpint(obj.a, ==, 2); /* From top level vmsd */ | |
844 | g_assert_cmpint(obj.b, ==, 4); /* from the post_load */ | |
845 | g_assert_cmpint(obj.d, ==, 1); /* From top level vmsd */ | |
846 | g_assert_cmpint(obj.f, ==, 8); /* From the child->parent */ | |
847 | } | |
848 | ||
2668b4bf EH |
849 | int main(int argc, char **argv) |
850 | { | |
851 | temp_fd = mkstemp(temp_file); | |
852 | ||
8925839f DB |
853 | module_call_init(MODULE_INIT_QOM); |
854 | ||
2668b4bf | 855 | g_test_init(&argc, &argv, NULL); |
4ea7df4e | 856 | g_test_add_func("/vmstate/simple/primitive", test_simple_primitive); |
2668b4bf EH |
857 | g_test_add_func("/vmstate/versioned/load/v1", test_load_v1); |
858 | g_test_add_func("/vmstate/versioned/load/v2", test_load_v2); | |
859 | g_test_add_func("/vmstate/field_exists/load/noskip", test_load_noskip); | |
860 | g_test_add_func("/vmstate/field_exists/load/skip", test_load_skip); | |
861 | g_test_add_func("/vmstate/field_exists/save/noskip", test_save_noskip); | |
862 | g_test_add_func("/vmstate/field_exists/save/skip", test_save_skip); | |
8cc49f03 HP |
863 | g_test_add_func("/vmstate/array/ptr/str/no0/save", |
864 | test_arr_ptr_str_no0_save); | |
865 | g_test_add_func("/vmstate/array/ptr/str/no0/load", | |
866 | test_arr_ptr_str_no0_load); | |
cc958831 HP |
867 | g_test_add_func("/vmstate/array/ptr/str/0/save", test_arr_ptr_str_0_save); |
868 | g_test_add_func("/vmstate/array/ptr/str/0/load", | |
869 | test_arr_ptr_str_0_load); | |
43333099 HP |
870 | g_test_add_func("/vmstate/array/ptr/prim/0/save", |
871 | test_arr_ptr_prim_0_save); | |
872 | g_test_add_func("/vmstate/array/ptr/prim/0/load", | |
873 | test_arr_ptr_prim_0_load); | |
7e99f22c JD |
874 | g_test_add_func("/vmstate/qtailq/save/saveq", test_save_q); |
875 | g_test_add_func("/vmstate/qtailq/load/loadq", test_load_q); | |
5c379d90 | 876 | g_test_add_func("/vmstate/tmp_struct", test_tmp_struct); |
2668b4bf EH |
877 | g_test_run(); |
878 | ||
879 | close(temp_fd); | |
880 | unlink(temp_file); | |
881 | ||
882 | return 0; | |
883 | } |