disas/nanomips: Replace proprietary by POSIX data types
[qemu/ar7.git] / tests / test-vmstate.c
blob37a7a937846a02d50c1ca27bac2b7a1660f70f20
1 /*
2 * Test code for VMState
4 * Copyright (c) 2013 Red Hat Inc.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
25 #include "qemu/osdep.h"
27 #include "qemu-common.h"
28 #include "../migration/migration.h"
29 #include "migration/vmstate.h"
30 #include "migration/qemu-file-types.h"
31 #include "../migration/qemu-file.h"
32 #include "../migration/qemu-file-channel.h"
33 #include "../migration/savevm.h"
34 #include "qemu/coroutine.h"
35 #include "io/channel-file.h"
37 static char temp_file[] = "/tmp/vmst.test.XXXXXX";
38 static int temp_fd;
41 /* Duplicate temp_fd and seek to the beginning of the file */
42 static QEMUFile *open_test_file(bool write)
44 int fd = dup(temp_fd);
45 QIOChannel *ioc;
46 QEMUFile *f;
48 lseek(fd, 0, SEEK_SET);
49 if (write) {
50 g_assert_cmpint(ftruncate(fd, 0), ==, 0);
52 ioc = QIO_CHANNEL(qio_channel_file_new_fd(fd));
53 if (write) {
54 f = qemu_fopen_channel_output(ioc);
55 } else {
56 f = qemu_fopen_channel_input(ioc);
58 object_unref(OBJECT(ioc));
59 return f;
62 #define SUCCESS(val) \
63 g_assert_cmpint((val), ==, 0)
65 #define FAILURE(val) \
66 g_assert_cmpint((val), !=, 0)
68 static void save_vmstate(const VMStateDescription *desc, void *obj)
70 QEMUFile *f = open_test_file(true);
72 /* Save file with vmstate */
73 int ret = vmstate_save_state(f, desc, obj, NULL);
74 g_assert(!ret);
75 qemu_put_byte(f, QEMU_VM_EOF);
76 g_assert(!qemu_file_get_error(f));
77 qemu_fclose(f);
80 static void save_buffer(const uint8_t *buf, size_t buf_size)
82 QEMUFile *fsave = open_test_file(true);
83 qemu_put_buffer(fsave, buf, buf_size);
84 qemu_fclose(fsave);
87 static void compare_vmstate(const uint8_t *wire, size_t size)
89 QEMUFile *f = open_test_file(false);
90 uint8_t result[size];
92 /* read back as binary */
94 g_assert_cmpint(qemu_get_buffer(f, result, sizeof(result)), ==,
95 sizeof(result));
96 g_assert(!qemu_file_get_error(f));
98 /* Compare that what is on the file is the same that what we
99 expected to be there */
100 SUCCESS(memcmp(result, wire, sizeof(result)));
102 /* Must reach EOF */
103 qemu_get_byte(f);
104 g_assert_cmpint(qemu_file_get_error(f), ==, -EIO);
106 qemu_fclose(f);
109 static int load_vmstate_one(const VMStateDescription *desc, void *obj,
110 int version, const uint8_t *wire, size_t size)
112 QEMUFile *f;
113 int ret;
115 f = open_test_file(true);
116 qemu_put_buffer(f, wire, size);
117 qemu_fclose(f);
119 f = open_test_file(false);
120 ret = vmstate_load_state(f, desc, obj, version);
121 if (ret) {
122 g_assert(qemu_file_get_error(f));
123 } else{
124 g_assert(!qemu_file_get_error(f));
126 qemu_fclose(f);
127 return ret;
131 static int load_vmstate(const VMStateDescription *desc,
132 void *obj, void *obj_clone,
133 void (*obj_copy)(void *, void*),
134 int version, const uint8_t *wire, size_t size)
136 /* We test with zero size */
137 obj_copy(obj_clone, obj);
138 FAILURE(load_vmstate_one(desc, obj, version, wire, 0));
140 /* Stream ends with QEMU_EOF, so we need at least 3 bytes to be
141 * able to test in the middle */
143 if (size > 3) {
145 /* We test with size - 2. We can't test size - 1 due to EOF tricks */
146 obj_copy(obj, obj_clone);
147 FAILURE(load_vmstate_one(desc, obj, version, wire, size - 2));
149 /* Test with size/2, first half of real state */
150 obj_copy(obj, obj_clone);
151 FAILURE(load_vmstate_one(desc, obj, version, wire, size/2));
153 /* Test with size/2, second half of real state */
154 obj_copy(obj, obj_clone);
155 FAILURE(load_vmstate_one(desc, obj, version, wire + (size/2), size/2));
158 obj_copy(obj, obj_clone);
159 return load_vmstate_one(desc, obj, version, wire, size);
162 /* Test struct that we are going to use for our tests */
164 typedef struct TestSimple {
165 bool b_1, b_2;
166 uint8_t u8_1;
167 uint16_t u16_1;
168 uint32_t u32_1;
169 uint64_t u64_1;
170 int8_t i8_1, i8_2;
171 int16_t i16_1, i16_2;
172 int32_t i32_1, i32_2;
173 int64_t i64_1, i64_2;
174 } TestSimple;
176 /* Object instantiation, we are going to use it in more than one test */
178 TestSimple obj_simple = {
179 .b_1 = true,
180 .b_2 = false,
181 .u8_1 = 130,
182 .u16_1 = 512,
183 .u32_1 = 70000,
184 .u64_1 = 12121212,
185 .i8_1 = 65,
186 .i8_2 = -65,
187 .i16_1 = 512,
188 .i16_2 = -512,
189 .i32_1 = 70000,
190 .i32_2 = -70000,
191 .i64_1 = 12121212,
192 .i64_2 = -12121212,
195 /* Description of the values. If you add a primitive type
196 you are expected to add a test here */
198 static const VMStateDescription vmstate_simple_primitive = {
199 .name = "simple/primitive",
200 .version_id = 1,
201 .minimum_version_id = 1,
202 .fields = (VMStateField[]) {
203 VMSTATE_BOOL(b_1, TestSimple),
204 VMSTATE_BOOL(b_2, TestSimple),
205 VMSTATE_UINT8(u8_1, TestSimple),
206 VMSTATE_UINT16(u16_1, TestSimple),
207 VMSTATE_UINT32(u32_1, TestSimple),
208 VMSTATE_UINT64(u64_1, TestSimple),
209 VMSTATE_INT8(i8_1, TestSimple),
210 VMSTATE_INT8(i8_2, TestSimple),
211 VMSTATE_INT16(i16_1, TestSimple),
212 VMSTATE_INT16(i16_2, TestSimple),
213 VMSTATE_INT32(i32_1, TestSimple),
214 VMSTATE_INT32(i32_2, TestSimple),
215 VMSTATE_INT64(i64_1, TestSimple),
216 VMSTATE_INT64(i64_2, TestSimple),
217 VMSTATE_END_OF_LIST()
221 /* It describes what goes through the wire. Our tests are basically:
223 * save test
224 - save a struct a vmstate to a file
225 - read that file back (binary read, no vmstate)
226 - compare it with what we expect to be on the wire
227 * load test
228 - save to the file what we expect to be on the wire
229 - read struct back with vmstate in a different
230 - compare back with the original struct
233 uint8_t wire_simple_primitive[] = {
234 /* b_1 */ 0x01,
235 /* b_2 */ 0x00,
236 /* u8_1 */ 0x82,
237 /* u16_1 */ 0x02, 0x00,
238 /* u32_1 */ 0x00, 0x01, 0x11, 0x70,
239 /* u64_1 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xf4, 0x7c,
240 /* i8_1 */ 0x41,
241 /* i8_2 */ 0xbf,
242 /* i16_1 */ 0x02, 0x00,
243 /* i16_2 */ 0xfe, 0x0,
244 /* i32_1 */ 0x00, 0x01, 0x11, 0x70,
245 /* i32_2 */ 0xff, 0xfe, 0xee, 0x90,
246 /* i64_1 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xf4, 0x7c,
247 /* i64_2 */ 0xff, 0xff, 0xff, 0xff, 0xff, 0x47, 0x0b, 0x84,
248 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
251 static void obj_simple_copy(void *target, void *source)
253 memcpy(target, source, sizeof(TestSimple));
256 static void test_simple_primitive(void)
258 TestSimple obj, obj_clone;
260 memset(&obj, 0, sizeof(obj));
261 save_vmstate(&vmstate_simple_primitive, &obj_simple);
263 compare_vmstate(wire_simple_primitive, sizeof(wire_simple_primitive));
265 SUCCESS(load_vmstate(&vmstate_simple_primitive, &obj, &obj_clone,
266 obj_simple_copy, 1, wire_simple_primitive,
267 sizeof(wire_simple_primitive)));
269 #define FIELD_EQUAL(name) g_assert_cmpint(obj.name, ==, obj_simple.name)
271 FIELD_EQUAL(b_1);
272 FIELD_EQUAL(b_2);
273 FIELD_EQUAL(u8_1);
274 FIELD_EQUAL(u16_1);
275 FIELD_EQUAL(u32_1);
276 FIELD_EQUAL(u64_1);
277 FIELD_EQUAL(i8_1);
278 FIELD_EQUAL(i8_2);
279 FIELD_EQUAL(i16_1);
280 FIELD_EQUAL(i16_2);
281 FIELD_EQUAL(i32_1);
282 FIELD_EQUAL(i32_2);
283 FIELD_EQUAL(i64_1);
284 FIELD_EQUAL(i64_2);
287 typedef struct TestStruct {
288 uint32_t a, b, c, e;
289 uint64_t d, f;
290 bool skip_c_e;
291 } TestStruct;
293 static const VMStateDescription vmstate_versioned = {
294 .name = "test/versioned",
295 .version_id = 2,
296 .minimum_version_id = 1,
297 .fields = (VMStateField[]) {
298 VMSTATE_UINT32(a, TestStruct),
299 VMSTATE_UINT32_V(b, TestStruct, 2), /* Versioned field in the middle, so
300 * we catch bugs more easily.
302 VMSTATE_UINT32(c, TestStruct),
303 VMSTATE_UINT64(d, TestStruct),
304 VMSTATE_UINT32_V(e, TestStruct, 2),
305 VMSTATE_UINT64_V(f, TestStruct, 2),
306 VMSTATE_END_OF_LIST()
310 static void test_load_v1(void)
312 uint8_t buf[] = {
313 0, 0, 0, 10, /* a */
314 0, 0, 0, 30, /* c */
315 0, 0, 0, 0, 0, 0, 0, 40, /* d */
316 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
318 save_buffer(buf, sizeof(buf));
320 QEMUFile *loading = open_test_file(false);
321 TestStruct obj = { .b = 200, .e = 500, .f = 600 };
322 vmstate_load_state(loading, &vmstate_versioned, &obj, 1);
323 g_assert(!qemu_file_get_error(loading));
324 g_assert_cmpint(obj.a, ==, 10);
325 g_assert_cmpint(obj.b, ==, 200);
326 g_assert_cmpint(obj.c, ==, 30);
327 g_assert_cmpint(obj.d, ==, 40);
328 g_assert_cmpint(obj.e, ==, 500);
329 g_assert_cmpint(obj.f, ==, 600);
330 qemu_fclose(loading);
333 static void test_load_v2(void)
335 uint8_t buf[] = {
336 0, 0, 0, 10, /* a */
337 0, 0, 0, 20, /* b */
338 0, 0, 0, 30, /* c */
339 0, 0, 0, 0, 0, 0, 0, 40, /* d */
340 0, 0, 0, 50, /* e */
341 0, 0, 0, 0, 0, 0, 0, 60, /* f */
342 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
344 save_buffer(buf, sizeof(buf));
346 QEMUFile *loading = open_test_file(false);
347 TestStruct obj;
348 vmstate_load_state(loading, &vmstate_versioned, &obj, 2);
349 g_assert_cmpint(obj.a, ==, 10);
350 g_assert_cmpint(obj.b, ==, 20);
351 g_assert_cmpint(obj.c, ==, 30);
352 g_assert_cmpint(obj.d, ==, 40);
353 g_assert_cmpint(obj.e, ==, 50);
354 g_assert_cmpint(obj.f, ==, 60);
355 qemu_fclose(loading);
358 static bool test_skip(void *opaque, int version_id)
360 TestStruct *t = (TestStruct *)opaque;
361 return !t->skip_c_e;
364 static const VMStateDescription vmstate_skipping = {
365 .name = "test/skip",
366 .version_id = 2,
367 .minimum_version_id = 1,
368 .fields = (VMStateField[]) {
369 VMSTATE_UINT32(a, TestStruct),
370 VMSTATE_UINT32(b, TestStruct),
371 VMSTATE_UINT32_TEST(c, TestStruct, test_skip),
372 VMSTATE_UINT64(d, TestStruct),
373 VMSTATE_UINT32_TEST(e, TestStruct, test_skip),
374 VMSTATE_UINT64_V(f, TestStruct, 2),
375 VMSTATE_END_OF_LIST()
380 static void test_save_noskip(void)
382 QEMUFile *fsave = open_test_file(true);
383 TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
384 .skip_c_e = false };
385 int ret = vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
386 g_assert(!ret);
387 g_assert(!qemu_file_get_error(fsave));
389 uint8_t expected[] = {
390 0, 0, 0, 1, /* a */
391 0, 0, 0, 2, /* b */
392 0, 0, 0, 3, /* c */
393 0, 0, 0, 0, 0, 0, 0, 4, /* d */
394 0, 0, 0, 5, /* e */
395 0, 0, 0, 0, 0, 0, 0, 6, /* f */
398 qemu_fclose(fsave);
399 compare_vmstate(expected, sizeof(expected));
402 static void test_save_skip(void)
404 QEMUFile *fsave = open_test_file(true);
405 TestStruct obj = { .a = 1, .b = 2, .c = 3, .d = 4, .e = 5, .f = 6,
406 .skip_c_e = true };
407 int ret = vmstate_save_state(fsave, &vmstate_skipping, &obj, NULL);
408 g_assert(!ret);
409 g_assert(!qemu_file_get_error(fsave));
411 uint8_t expected[] = {
412 0, 0, 0, 1, /* a */
413 0, 0, 0, 2, /* b */
414 0, 0, 0, 0, 0, 0, 0, 4, /* d */
415 0, 0, 0, 0, 0, 0, 0, 6, /* f */
418 qemu_fclose(fsave);
419 compare_vmstate(expected, sizeof(expected));
422 static void test_load_noskip(void)
424 uint8_t buf[] = {
425 0, 0, 0, 10, /* a */
426 0, 0, 0, 20, /* b */
427 0, 0, 0, 30, /* c */
428 0, 0, 0, 0, 0, 0, 0, 40, /* d */
429 0, 0, 0, 50, /* e */
430 0, 0, 0, 0, 0, 0, 0, 60, /* f */
431 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
433 save_buffer(buf, sizeof(buf));
435 QEMUFile *loading = open_test_file(false);
436 TestStruct obj = { .skip_c_e = false };
437 vmstate_load_state(loading, &vmstate_skipping, &obj, 2);
438 g_assert(!qemu_file_get_error(loading));
439 g_assert_cmpint(obj.a, ==, 10);
440 g_assert_cmpint(obj.b, ==, 20);
441 g_assert_cmpint(obj.c, ==, 30);
442 g_assert_cmpint(obj.d, ==, 40);
443 g_assert_cmpint(obj.e, ==, 50);
444 g_assert_cmpint(obj.f, ==, 60);
445 qemu_fclose(loading);
448 static void test_load_skip(void)
450 uint8_t buf[] = {
451 0, 0, 0, 10, /* a */
452 0, 0, 0, 20, /* b */
453 0, 0, 0, 0, 0, 0, 0, 40, /* d */
454 0, 0, 0, 0, 0, 0, 0, 60, /* f */
455 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
457 save_buffer(buf, sizeof(buf));
459 QEMUFile *loading = open_test_file(false);
460 TestStruct obj = { .skip_c_e = true, .c = 300, .e = 500 };
461 vmstate_load_state(loading, &vmstate_skipping, &obj, 2);
462 g_assert(!qemu_file_get_error(loading));
463 g_assert_cmpint(obj.a, ==, 10);
464 g_assert_cmpint(obj.b, ==, 20);
465 g_assert_cmpint(obj.c, ==, 300);
466 g_assert_cmpint(obj.d, ==, 40);
467 g_assert_cmpint(obj.e, ==, 500);
468 g_assert_cmpint(obj.f, ==, 60);
469 qemu_fclose(loading);
472 typedef struct {
473 int32_t i;
474 } TestStructTriv;
476 const VMStateDescription vmsd_tst = {
477 .name = "test/tst",
478 .version_id = 1,
479 .minimum_version_id = 1,
480 .fields = (VMStateField[]) {
481 VMSTATE_INT32(i, TestStructTriv),
482 VMSTATE_END_OF_LIST()
486 /* test array migration */
488 #define AR_SIZE 4
490 typedef struct {
491 TestStructTriv *ar[AR_SIZE];
492 } TestArrayOfPtrToStuct;
494 const VMStateDescription vmsd_arps = {
495 .name = "test/arps",
496 .version_id = 1,
497 .minimum_version_id = 1,
498 .fields = (VMStateField[]) {
499 VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(ar, TestArrayOfPtrToStuct,
500 AR_SIZE, 0, vmsd_tst, TestStructTriv),
501 VMSTATE_END_OF_LIST()
505 static uint8_t wire_arr_ptr_no0[] = {
506 0x00, 0x00, 0x00, 0x00,
507 0x00, 0x00, 0x00, 0x01,
508 0x00, 0x00, 0x00, 0x02,
509 0x00, 0x00, 0x00, 0x03,
510 QEMU_VM_EOF
513 static void test_arr_ptr_str_no0_save(void)
515 TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
516 TestArrayOfPtrToStuct sample = {.ar = {&ar[0], &ar[1], &ar[2], &ar[3]} };
518 save_vmstate(&vmsd_arps, &sample);
519 compare_vmstate(wire_arr_ptr_no0, sizeof(wire_arr_ptr_no0));
522 static void test_arr_ptr_str_no0_load(void)
524 TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
525 TestStructTriv ar[AR_SIZE] = {};
526 TestArrayOfPtrToStuct obj = {.ar = {&ar[0], &ar[1], &ar[2], &ar[3]} };
527 int idx;
529 save_buffer(wire_arr_ptr_no0, sizeof(wire_arr_ptr_no0));
530 SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1,
531 wire_arr_ptr_no0, sizeof(wire_arr_ptr_no0)));
532 for (idx = 0; idx < AR_SIZE; ++idx) {
533 /* compare the target array ar with the ground truth array ar_gt */
534 g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i);
538 static uint8_t wire_arr_ptr_0[] = {
539 0x00, 0x00, 0x00, 0x00,
540 VMS_NULLPTR_MARKER,
541 0x00, 0x00, 0x00, 0x02,
542 0x00, 0x00, 0x00, 0x03,
543 QEMU_VM_EOF
546 static void test_arr_ptr_str_0_save(void)
548 TestStructTriv ar[AR_SIZE] = {{.i = 0}, {.i = 1}, {.i = 2}, {.i = 3} };
549 TestArrayOfPtrToStuct sample = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
551 save_vmstate(&vmsd_arps, &sample);
552 compare_vmstate(wire_arr_ptr_0, sizeof(wire_arr_ptr_0));
555 static void test_arr_ptr_str_0_load(void)
557 TestStructTriv ar_gt[AR_SIZE] = {{.i = 0}, {.i = 0}, {.i = 2}, {.i = 3} };
558 TestStructTriv ar[AR_SIZE] = {};
559 TestArrayOfPtrToStuct obj = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
560 int idx;
562 save_buffer(wire_arr_ptr_0, sizeof(wire_arr_ptr_0));
563 SUCCESS(load_vmstate_one(&vmsd_arps, &obj, 1,
564 wire_arr_ptr_0, sizeof(wire_arr_ptr_0)));
565 for (idx = 0; idx < AR_SIZE; ++idx) {
566 /* compare the target array ar with the ground truth array ar_gt */
567 g_assert_cmpint(ar_gt[idx].i, ==, ar[idx].i);
569 for (idx = 0; idx < AR_SIZE; ++idx) {
570 if (idx == 1) {
571 g_assert_cmpint((uintptr_t)(obj.ar[idx]), ==, 0);
572 } else {
573 g_assert_cmpint((uintptr_t)(obj.ar[idx]), !=, 0);
578 typedef struct TestArrayOfPtrToInt {
579 int32_t *ar[AR_SIZE];
580 } TestArrayOfPtrToInt;
582 const VMStateDescription vmsd_arpp = {
583 .name = "test/arps",
584 .version_id = 1,
585 .minimum_version_id = 1,
586 .fields = (VMStateField[]) {
587 VMSTATE_ARRAY_OF_POINTER(ar, TestArrayOfPtrToInt,
588 AR_SIZE, 0, vmstate_info_int32, int32_t*),
589 VMSTATE_END_OF_LIST()
593 static void test_arr_ptr_prim_0_save(void)
595 int32_t ar[AR_SIZE] = {0 , 1, 2, 3};
596 TestArrayOfPtrToInt sample = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
598 save_vmstate(&vmsd_arpp, &sample);
599 compare_vmstate(wire_arr_ptr_0, sizeof(wire_arr_ptr_0));
602 static void test_arr_ptr_prim_0_load(void)
604 int32_t ar_gt[AR_SIZE] = {0, 1, 2, 3};
605 int32_t ar[AR_SIZE] = {3 , 42, 1, 0};
606 TestArrayOfPtrToInt obj = {.ar = {&ar[0], NULL, &ar[2], &ar[3]} };
607 int idx;
609 save_buffer(wire_arr_ptr_0, sizeof(wire_arr_ptr_0));
610 SUCCESS(load_vmstate_one(&vmsd_arpp, &obj, 1,
611 wire_arr_ptr_0, sizeof(wire_arr_ptr_0)));
612 for (idx = 0; idx < AR_SIZE; ++idx) {
613 /* compare the target array ar with the ground truth array ar_gt */
614 if (idx == 1) {
615 g_assert_cmpint(42, ==, ar[idx]);
616 } else {
617 g_assert_cmpint(ar_gt[idx], ==, ar[idx]);
622 /* test QTAILQ migration */
623 typedef struct TestQtailqElement TestQtailqElement;
625 struct TestQtailqElement {
626 bool b;
627 uint8_t u8;
628 QTAILQ_ENTRY(TestQtailqElement) next;
631 typedef struct TestQtailq {
632 int16_t i16;
633 QTAILQ_HEAD(TestQtailqHead, TestQtailqElement) q;
634 int32_t i32;
635 } TestQtailq;
637 static const VMStateDescription vmstate_q_element = {
638 .name = "test/queue-element",
639 .version_id = 1,
640 .minimum_version_id = 1,
641 .fields = (VMStateField[]) {
642 VMSTATE_BOOL(b, TestQtailqElement),
643 VMSTATE_UINT8(u8, TestQtailqElement),
644 VMSTATE_END_OF_LIST()
648 static const VMStateDescription vmstate_q = {
649 .name = "test/queue",
650 .version_id = 1,
651 .minimum_version_id = 1,
652 .fields = (VMStateField[]) {
653 VMSTATE_INT16(i16, TestQtailq),
654 VMSTATE_QTAILQ_V(q, TestQtailq, 1, vmstate_q_element, TestQtailqElement,
655 next),
656 VMSTATE_INT32(i32, TestQtailq),
657 VMSTATE_END_OF_LIST()
661 uint8_t wire_q[] = {
662 /* i16 */ 0xfe, 0x0,
663 /* start of element 0 of q */ 0x01,
664 /* .b */ 0x01,
665 /* .u8 */ 0x82,
666 /* start of element 1 of q */ 0x01,
667 /* b */ 0x00,
668 /* u8 */ 0x41,
669 /* end of q */ 0x00,
670 /* i32 */ 0x00, 0x01, 0x11, 0x70,
671 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
674 static void test_save_q(void)
676 TestQtailq obj_q = {
677 .i16 = -512,
678 .i32 = 70000,
681 TestQtailqElement obj_qe1 = {
682 .b = true,
683 .u8 = 130,
686 TestQtailqElement obj_qe2 = {
687 .b = false,
688 .u8 = 65,
691 QTAILQ_INIT(&obj_q.q);
692 QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe1, next);
693 QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe2, next);
695 save_vmstate(&vmstate_q, &obj_q);
696 compare_vmstate(wire_q, sizeof(wire_q));
699 static void test_load_q(void)
701 TestQtailq obj_q = {
702 .i16 = -512,
703 .i32 = 70000,
706 TestQtailqElement obj_qe1 = {
707 .b = true,
708 .u8 = 130,
711 TestQtailqElement obj_qe2 = {
712 .b = false,
713 .u8 = 65,
716 QTAILQ_INIT(&obj_q.q);
717 QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe1, next);
718 QTAILQ_INSERT_TAIL(&obj_q.q, &obj_qe2, next);
720 QEMUFile *fsave = open_test_file(true);
722 qemu_put_buffer(fsave, wire_q, sizeof(wire_q));
723 g_assert(!qemu_file_get_error(fsave));
724 qemu_fclose(fsave);
726 QEMUFile *fload = open_test_file(false);
727 TestQtailq tgt;
729 QTAILQ_INIT(&tgt.q);
730 vmstate_load_state(fload, &vmstate_q, &tgt, 1);
731 char eof = qemu_get_byte(fload);
732 g_assert(!qemu_file_get_error(fload));
733 g_assert_cmpint(tgt.i16, ==, obj_q.i16);
734 g_assert_cmpint(tgt.i32, ==, obj_q.i32);
735 g_assert_cmpint(eof, ==, QEMU_VM_EOF);
737 TestQtailqElement *qele_from = QTAILQ_FIRST(&obj_q.q);
738 TestQtailqElement *qlast_from = QTAILQ_LAST(&obj_q.q, TestQtailqHead);
739 TestQtailqElement *qele_to = QTAILQ_FIRST(&tgt.q);
740 TestQtailqElement *qlast_to = QTAILQ_LAST(&tgt.q, TestQtailqHead);
742 while (1) {
743 g_assert_cmpint(qele_to->b, ==, qele_from->b);
744 g_assert_cmpint(qele_to->u8, ==, qele_from->u8);
745 if ((qele_from == qlast_from) || (qele_to == qlast_to)) {
746 break;
748 qele_from = QTAILQ_NEXT(qele_from, next);
749 qele_to = QTAILQ_NEXT(qele_to, next);
752 g_assert_cmpint((uintptr_t) qele_from, ==, (uintptr_t) qlast_from);
753 g_assert_cmpint((uintptr_t) qele_to, ==, (uintptr_t) qlast_to);
755 /* clean up */
756 TestQtailqElement *qele;
757 while (!QTAILQ_EMPTY(&tgt.q)) {
758 qele = QTAILQ_LAST(&tgt.q, TestQtailqHead);
759 QTAILQ_REMOVE(&tgt.q, qele, next);
760 free(qele);
761 qele = NULL;
763 qemu_fclose(fload);
766 typedef struct TmpTestStruct {
767 TestStruct *parent;
768 int64_t diff;
769 } TmpTestStruct;
771 static int tmp_child_pre_save(void *opaque)
773 struct TmpTestStruct *tts = opaque;
775 tts->diff = tts->parent->b - tts->parent->a;
777 return 0;
780 static int tmp_child_post_load(void *opaque, int version_id)
782 struct TmpTestStruct *tts = opaque;
784 tts->parent->b = tts->parent->a + tts->diff;
786 return 0;
789 static const VMStateDescription vmstate_tmp_back_to_parent = {
790 .name = "test/tmp_child_parent",
791 .fields = (VMStateField[]) {
792 VMSTATE_UINT64(f, TestStruct),
793 VMSTATE_END_OF_LIST()
797 static const VMStateDescription vmstate_tmp_child = {
798 .name = "test/tmp_child",
799 .pre_save = tmp_child_pre_save,
800 .post_load = tmp_child_post_load,
801 .fields = (VMStateField[]) {
802 VMSTATE_INT64(diff, TmpTestStruct),
803 VMSTATE_STRUCT_POINTER(parent, TmpTestStruct,
804 vmstate_tmp_back_to_parent, TestStruct),
805 VMSTATE_END_OF_LIST()
809 static const VMStateDescription vmstate_with_tmp = {
810 .name = "test/with_tmp",
811 .version_id = 1,
812 .fields = (VMStateField[]) {
813 VMSTATE_UINT32(a, TestStruct),
814 VMSTATE_UINT64(d, TestStruct),
815 VMSTATE_WITH_TMP(TestStruct, TmpTestStruct, vmstate_tmp_child),
816 VMSTATE_END_OF_LIST()
820 static void obj_tmp_copy(void *target, void *source)
822 memcpy(target, source, sizeof(TestStruct));
825 static void test_tmp_struct(void)
827 TestStruct obj, obj_clone;
829 uint8_t const wire_with_tmp[] = {
830 /* u32 a */ 0x00, 0x00, 0x00, 0x02,
831 /* u64 d */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
832 /* diff */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
833 /* u64 f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
834 QEMU_VM_EOF, /* just to ensure we won't get EOF reported prematurely */
837 memset(&obj, 0, sizeof(obj));
838 obj.a = 2;
839 obj.b = 4;
840 obj.d = 1;
841 obj.f = 8;
842 save_vmstate(&vmstate_with_tmp, &obj);
844 compare_vmstate(wire_with_tmp, sizeof(wire_with_tmp));
846 memset(&obj, 0, sizeof(obj));
847 SUCCESS(load_vmstate(&vmstate_with_tmp, &obj, &obj_clone,
848 obj_tmp_copy, 1, wire_with_tmp,
849 sizeof(wire_with_tmp)));
850 g_assert_cmpint(obj.a, ==, 2); /* From top level vmsd */
851 g_assert_cmpint(obj.b, ==, 4); /* from the post_load */
852 g_assert_cmpint(obj.d, ==, 1); /* From top level vmsd */
853 g_assert_cmpint(obj.f, ==, 8); /* From the child->parent */
856 int main(int argc, char **argv)
858 temp_fd = mkstemp(temp_file);
860 module_call_init(MODULE_INIT_QOM);
862 setenv("QTEST_SILENT_ERRORS", "1", 1);
864 g_test_init(&argc, &argv, NULL);
865 g_test_add_func("/vmstate/simple/primitive", test_simple_primitive);
866 g_test_add_func("/vmstate/versioned/load/v1", test_load_v1);
867 g_test_add_func("/vmstate/versioned/load/v2", test_load_v2);
868 g_test_add_func("/vmstate/field_exists/load/noskip", test_load_noskip);
869 g_test_add_func("/vmstate/field_exists/load/skip", test_load_skip);
870 g_test_add_func("/vmstate/field_exists/save/noskip", test_save_noskip);
871 g_test_add_func("/vmstate/field_exists/save/skip", test_save_skip);
872 g_test_add_func("/vmstate/array/ptr/str/no0/save",
873 test_arr_ptr_str_no0_save);
874 g_test_add_func("/vmstate/array/ptr/str/no0/load",
875 test_arr_ptr_str_no0_load);
876 g_test_add_func("/vmstate/array/ptr/str/0/save", test_arr_ptr_str_0_save);
877 g_test_add_func("/vmstate/array/ptr/str/0/load",
878 test_arr_ptr_str_0_load);
879 g_test_add_func("/vmstate/array/ptr/prim/0/save",
880 test_arr_ptr_prim_0_save);
881 g_test_add_func("/vmstate/array/ptr/prim/0/load",
882 test_arr_ptr_prim_0_load);
883 g_test_add_func("/vmstate/qtailq/save/saveq", test_save_q);
884 g_test_add_func("/vmstate/qtailq/load/loadq", test_load_q);
885 g_test_add_func("/vmstate/tmp_struct", test_tmp_struct);
886 g_test_run();
888 close(temp_fd);
889 unlink(temp_file);
891 return 0;