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27#ifndef QEMU_VMSTATE_H
28#define QEMU_VMSTATE_H
29
30#include "hw/vmstate-if.h"
31
32typedef struct VMStateInfo VMStateInfo;
33typedef struct VMStateField VMStateField;
34
35
36
37
38
39
40
41
42struct VMStateInfo {
43 const char *name;
44 int (*get)(QEMUFile *f, void *pv, size_t size, const VMStateField *field);
45 int (*put)(QEMUFile *f, void *pv, size_t size, const VMStateField *field,
46 QJSON *vmdesc);
47};
48
49enum VMStateFlags {
50
51 VMS_SINGLE = 0x001,
52
53
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58
59
60 VMS_POINTER = 0x002,
61
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68
69
70 VMS_ARRAY = 0x004,
71
72
73
74
75
76 VMS_STRUCT = 0x008,
77
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81
82
83 VMS_VARRAY_INT32 = 0x010,
84
85
86 VMS_BUFFER = 0x020,
87
88
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90
91
92 VMS_ARRAY_OF_POINTER = 0x040,
93
94
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96
97
98
99 VMS_VARRAY_UINT16 = 0x080,
100
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105
106
107 VMS_VBUFFER = 0x100,
108
109
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111
112
113 VMS_MULTIPLY = 0x200,
114
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118
119
120 VMS_VARRAY_UINT8 = 0x400,
121
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125
126
127 VMS_VARRAY_UINT32 = 0x800,
128
129
130
131 VMS_MUST_EXIST = 0x1000,
132
133
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136
137
138 VMS_ALLOC = 0x2000,
139
140
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142
143
144 VMS_MULTIPLY_ELEMENTS = 0x4000,
145
146
147
148
149 VMS_VSTRUCT = 0x8000,
150};
151
152typedef enum {
153 MIG_PRI_DEFAULT = 0,
154 MIG_PRI_IOMMU,
155 MIG_PRI_PCI_BUS,
156 MIG_PRI_GICV3_ITS,
157 MIG_PRI_GICV3,
158 MIG_PRI_MAX,
159} MigrationPriority;
160
161struct VMStateField {
162 const char *name;
163 const char *err_hint;
164 size_t offset;
165 size_t size;
166 size_t start;
167 int num;
168 size_t num_offset;
169 size_t size_offset;
170 const VMStateInfo *info;
171 enum VMStateFlags flags;
172 const VMStateDescription *vmsd;
173 int version_id;
174 int struct_version_id;
175 bool (*field_exists)(void *opaque, int version_id);
176};
177
178struct VMStateDescription {
179 const char *name;
180 int unmigratable;
181 int version_id;
182 int minimum_version_id;
183 int minimum_version_id_old;
184 MigrationPriority priority;
185 LoadStateHandler *load_state_old;
186 int (*pre_load)(void *opaque);
187 int (*post_load)(void *opaque, int version_id);
188 int (*pre_save)(void *opaque);
189 int (*post_save)(void *opaque);
190 bool (*needed)(void *opaque);
191 bool (*dev_unplug_pending)(void *opaque);
192
193 const VMStateField *fields;
194 const VMStateDescription **subsections;
195};
196
197extern const VMStateDescription vmstate_dummy;
198
199extern const VMStateInfo vmstate_info_bool;
200
201extern const VMStateInfo vmstate_info_int8;
202extern const VMStateInfo vmstate_info_int16;
203extern const VMStateInfo vmstate_info_int32;
204extern const VMStateInfo vmstate_info_int64;
205
206extern const VMStateInfo vmstate_info_uint8_equal;
207extern const VMStateInfo vmstate_info_uint16_equal;
208extern const VMStateInfo vmstate_info_int32_equal;
209extern const VMStateInfo vmstate_info_uint32_equal;
210extern const VMStateInfo vmstate_info_uint64_equal;
211extern const VMStateInfo vmstate_info_int32_le;
212
213extern const VMStateInfo vmstate_info_uint8;
214extern const VMStateInfo vmstate_info_uint16;
215extern const VMStateInfo vmstate_info_uint32;
216extern const VMStateInfo vmstate_info_uint64;
217
218
219#define VMS_NULLPTR_MARKER (0x30U)
220extern const VMStateInfo vmstate_info_nullptr;
221
222extern const VMStateInfo vmstate_info_float64;
223extern const VMStateInfo vmstate_info_cpudouble;
224
225extern const VMStateInfo vmstate_info_timer;
226extern const VMStateInfo vmstate_info_buffer;
227extern const VMStateInfo vmstate_info_unused_buffer;
228extern const VMStateInfo vmstate_info_tmp;
229extern const VMStateInfo vmstate_info_bitmap;
230extern const VMStateInfo vmstate_info_qtailq;
231extern const VMStateInfo vmstate_info_gtree;
232extern const VMStateInfo vmstate_info_qlist;
233
234#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0)
235
236
237
238
239#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
240#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
241
242
243
244
245
246#define typeof_elt_of_field(type, field) typeof(((type *)0)->field[0])
247
248#define type_check_varray(t1, t2, f) \
249 (type_check(t1, typeof_elt_of_field(t2, f)) \
250 + QEMU_BUILD_BUG_ON_ZERO(!QEMU_IS_ARRAY(((t2 *)0)->f)))
251
252#define vmstate_offset_value(_state, _field, _type) \
253 (offsetof(_state, _field) + \
254 type_check(_type, typeof_field(_state, _field)))
255
256#define vmstate_offset_pointer(_state, _field, _type) \
257 (offsetof(_state, _field) + \
258 type_check_pointer(_type, typeof_field(_state, _field)))
259
260#define vmstate_offset_array(_state, _field, _type, _num) \
261 (offsetof(_state, _field) + \
262 type_check_array(_type, typeof_field(_state, _field), _num))
263
264#define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \
265 (offsetof(_state, _field) + \
266 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2))
267
268#define vmstate_offset_sub_array(_state, _field, _type, _start) \
269 vmstate_offset_value(_state, _field[_start], _type)
270
271#define vmstate_offset_buffer(_state, _field) \
272 vmstate_offset_array(_state, _field, uint8_t, \
273 sizeof(typeof_field(_state, _field)))
274
275#define vmstate_offset_varray(_state, _field, _type) \
276 (offsetof(_state, _field) + \
277 type_check_varray(_type, _state, _field))
278
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296
297
298#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
299 .name = (stringify(_field)), \
300 .version_id = (_version), \
301 .field_exists = (_test), \
302 .size = sizeof(_type), \
303 .info = &(_info), \
304 .flags = VMS_SINGLE, \
305 .offset = vmstate_offset_value(_state, _field, _type), \
306}
307
308#define VMSTATE_SINGLE_FULL(_field, _state, _test, _version, _info, \
309 _type, _err_hint) { \
310 .name = (stringify(_field)), \
311 .err_hint = (_err_hint), \
312 .version_id = (_version), \
313 .field_exists = (_test), \
314 .size = sizeof(_type), \
315 .info = &(_info), \
316 .flags = VMS_SINGLE, \
317 .offset = vmstate_offset_value(_state, _field, _type), \
318}
319
320
321#define VMSTATE_VALIDATE(_name, _test) { \
322 .name = (_name), \
323 .field_exists = (_test), \
324 .flags = VMS_ARRAY | VMS_MUST_EXIST, \
325 .num = 0, \
326}
327
328#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
329 .name = (stringify(_field)), \
330 .version_id = (_version), \
331 .info = &(_info), \
332 .size = sizeof(_type), \
333 .flags = VMS_SINGLE|VMS_POINTER, \
334 .offset = vmstate_offset_value(_state, _field, _type), \
335}
336
337#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
338 .name = (stringify(_field)), \
339 .info = &(_info), \
340 .field_exists = (_test), \
341 .size = sizeof(_type), \
342 .flags = VMS_SINGLE|VMS_POINTER, \
343 .offset = vmstate_offset_value(_state, _field, _type), \
344}
345
346#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
347 .name = (stringify(_field)), \
348 .version_id = (_version), \
349 .num = (_num), \
350 .info = &(_info), \
351 .size = sizeof(_type), \
352 .flags = VMS_ARRAY, \
353 .offset = vmstate_offset_array(_state, _field, _type, _num), \
354}
355
356#define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \
357 .name = (stringify(_field)), \
358 .version_id = (_version), \
359 .num = (_n1) * (_n2), \
360 .info = &(_info), \
361 .size = sizeof(_type), \
362 .flags = VMS_ARRAY, \
363 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \
364}
365
366#define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \
367 .name = (stringify(_field)), \
368 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
369 .num = (_multiply), \
370 .info = &(_info), \
371 .size = sizeof(_type), \
372 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \
373 .offset = vmstate_offset_varray(_state, _field, _type), \
374}
375
376#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
377 .name = (stringify(_field)), \
378 .field_exists = (_test), \
379 .num = (_num), \
380 .info = &(_info), \
381 .size = sizeof(_type), \
382 .flags = VMS_ARRAY, \
383 .offset = vmstate_offset_array(_state, _field, _type, _num),\
384}
385
386#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
387 .name = (stringify(_field)), \
388 .version_id = (_version), \
389 .num = (_num), \
390 .info = &(_info), \
391 .size = sizeof(_type), \
392 .flags = VMS_ARRAY, \
393 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
394}
395
396#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
397 .name = (stringify(_field)), \
398 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
399 .info = &(_info), \
400 .size = sizeof(_type), \
401 .flags = VMS_VARRAY_INT32, \
402 .offset = vmstate_offset_varray(_state, _field, _type), \
403}
404
405#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
406 .name = (stringify(_field)), \
407 .version_id = (_version), \
408 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
409 .info = &(_info), \
410 .size = sizeof(_type), \
411 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
412 .offset = vmstate_offset_pointer(_state, _field, _type), \
413}
414
415#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
416 .name = (stringify(_field)), \
417 .version_id = (_version), \
418 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
419 .info = &(_info), \
420 .size = sizeof(_type), \
421 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
422 .offset = vmstate_offset_pointer(_state, _field, _type), \
423}
424
425#define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
426 .name = (stringify(_field)), \
427 .version_id = (_version), \
428 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
429 .info = &(_info), \
430 .size = sizeof(_type), \
431 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \
432 .offset = vmstate_offset_pointer(_state, _field, _type), \
433}
434
435#define VMSTATE_VARRAY_UINT16_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
436 .name = (stringify(_field)), \
437 .version_id = (_version), \
438 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
439 .info = &(_info), \
440 .size = sizeof(_type), \
441 .flags = VMS_VARRAY_UINT16 | VMS_POINTER | VMS_ALLOC, \
442 .offset = vmstate_offset_pointer(_state, _field, _type), \
443}
444
445#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
446 .name = (stringify(_field)), \
447 .version_id = (_version), \
448 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
449 .info = &(_info), \
450 .size = sizeof(_type), \
451 .flags = VMS_VARRAY_UINT16, \
452 .offset = vmstate_offset_varray(_state, _field, _type), \
453}
454
455#define VMSTATE_VSTRUCT_TEST(_field, _state, _test, _version, _vmsd, _type, _struct_version) { \
456 .name = (stringify(_field)), \
457 .version_id = (_version), \
458 .struct_version_id = (_struct_version), \
459 .field_exists = (_test), \
460 .vmsd = &(_vmsd), \
461 .size = sizeof(_type), \
462 .flags = VMS_VSTRUCT, \
463 .offset = vmstate_offset_value(_state, _field, _type), \
464}
465
466#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
467 .name = (stringify(_field)), \
468 .version_id = (_version), \
469 .field_exists = (_test), \
470 .vmsd = &(_vmsd), \
471 .size = sizeof(_type), \
472 .flags = VMS_STRUCT, \
473 .offset = vmstate_offset_value(_state, _field, _type), \
474}
475
476#define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \
477 .name = (stringify(_field)), \
478 .version_id = (_version), \
479 .vmsd = &(_vmsd), \
480 .size = sizeof(_type *), \
481 .flags = VMS_STRUCT|VMS_POINTER, \
482 .offset = vmstate_offset_pointer(_state, _field, _type), \
483}
484
485#define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \
486 .name = (stringify(_field)), \
487 .version_id = (_version), \
488 .field_exists = (_test), \
489 .vmsd = &(_vmsd), \
490 .size = sizeof(_type *), \
491 .flags = VMS_STRUCT|VMS_POINTER, \
492 .offset = vmstate_offset_pointer(_state, _field, _type), \
493}
494
495#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
496 .name = (stringify(_field)), \
497 .version_id = (_version), \
498 .num = (_num), \
499 .info = &(_info), \
500 .size = sizeof(_type), \
501 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
502 .offset = vmstate_offset_array(_state, _field, _type, _num), \
503}
504
505#define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \
506 .name = (stringify(_f)), \
507 .version_id = (_v), \
508 .num = (_n), \
509 .vmsd = &(_vmsd), \
510 .size = sizeof(_type *), \
511 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \
512 .offset = vmstate_offset_array(_s, _f, _type*, _n), \
513}
514
515#define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \
516 .name = (stringify(_field)), \
517 .version_id = (_version), \
518 .num = (_num), \
519 .vmsd = &(_vmsd), \
520 .size = sizeof(_type), \
521 .flags = VMS_STRUCT|VMS_ARRAY, \
522 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
523}
524
525#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
526 .name = (stringify(_field)), \
527 .num = (_num), \
528 .field_exists = (_test), \
529 .version_id = (_version), \
530 .vmsd = &(_vmsd), \
531 .size = sizeof(_type), \
532 .flags = VMS_STRUCT|VMS_ARRAY, \
533 .offset = vmstate_offset_array(_state, _field, _type, _num),\
534}
535
536#define VMSTATE_STRUCT_2DARRAY_TEST(_field, _state, _n1, _n2, _test, \
537 _version, _vmsd, _type) { \
538 .name = (stringify(_field)), \
539 .num = (_n1) * (_n2), \
540 .field_exists = (_test), \
541 .version_id = (_version), \
542 .vmsd = &(_vmsd), \
543 .size = sizeof(_type), \
544 .flags = VMS_STRUCT | VMS_ARRAY, \
545 .offset = vmstate_offset_2darray(_state, _field, _type, \
546 _n1, _n2), \
547}
548
549#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
550 .name = (stringify(_field)), \
551 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
552 .version_id = (_version), \
553 .vmsd = &(_vmsd), \
554 .size = sizeof(_type), \
555 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
556 .offset = vmstate_offset_varray(_state, _field, _type), \
557}
558
559
560
561
562#define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \
563 .name = (stringify(_field)), \
564 .num = (_num), \
565 .version_id = (_version), \
566 .vmsd = &(_vmsd), \
567 .size = sizeof(_type), \
568 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \
569 .offset = offsetof(_state, _field), \
570}
571
572#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
573 .name = (stringify(_field)), \
574 .version_id = 0, \
575 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
576 .size = sizeof(_type), \
577 .vmsd = &(_vmsd), \
578 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
579 .offset = vmstate_offset_pointer(_state, _field, _type), \
580}
581
582#define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \
583 .name = (stringify(_field)), \
584 .version_id = 0, \
585 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
586 .size = sizeof(_type), \
587 .vmsd = &(_vmsd), \
588 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
589 .offset = vmstate_offset_pointer(_state, _field, _type), \
590}
591
592#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
593 .name = (stringify(_field)), \
594 .version_id = 0, \
595 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
596 .size = sizeof(_type), \
597 .vmsd = &(_vmsd), \
598 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
599 .offset = vmstate_offset_pointer(_state, _field, _type), \
600}
601
602#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
603 .name = (stringify(_field)), \
604 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
605 .version_id = (_version), \
606 .vmsd = &(_vmsd), \
607 .size = sizeof(_type), \
608 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
609 .offset = vmstate_offset_varray(_state, _field, _type), \
610}
611
612#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
613 .name = (stringify(_field)), \
614 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
615 .version_id = (_version), \
616 .vmsd = &(_vmsd), \
617 .size = sizeof(_type), \
618 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
619 .offset = vmstate_offset_varray(_state, _field, _type), \
620}
621
622#define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\
623 .name = (stringify(_field)), \
624 .version_id = (_version), \
625 .vmsd = &(_vmsd), \
626 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
627 .size = sizeof(_type), \
628 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \
629 .offset = vmstate_offset_pointer(_state, _field, _type), \
630}
631
632#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
633 .name = (stringify(_field)), \
634 .version_id = (_version), \
635 .field_exists = (_test), \
636 .size = (_size - _start), \
637 .info = &vmstate_info_buffer, \
638 .flags = VMS_BUFFER, \
639 .offset = vmstate_offset_buffer(_state, _field) + _start, \
640}
641
642#define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, \
643 _field_size, _multiply) { \
644 .name = (stringify(_field)), \
645 .version_id = (_version), \
646 .field_exists = (_test), \
647 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
648 .size = (_multiply), \
649 .info = &vmstate_info_buffer, \
650 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
651 .offset = offsetof(_state, _field), \
652}
653
654#define VMSTATE_VBUFFER(_field, _state, _version, _test, _field_size) { \
655 .name = (stringify(_field)), \
656 .version_id = (_version), \
657 .field_exists = (_test), \
658 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
659 .info = &vmstate_info_buffer, \
660 .flags = VMS_VBUFFER|VMS_POINTER, \
661 .offset = offsetof(_state, _field), \
662}
663
664#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _field_size) { \
665 .name = (stringify(_field)), \
666 .version_id = (_version), \
667 .field_exists = (_test), \
668 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
669 .info = &vmstate_info_buffer, \
670 .flags = VMS_VBUFFER|VMS_POINTER, \
671 .offset = offsetof(_state, _field), \
672}
673
674#define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, \
675 _test, _field_size) { \
676 .name = (stringify(_field)), \
677 .version_id = (_version), \
678 .field_exists = (_test), \
679 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
680 .info = &vmstate_info_buffer, \
681 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \
682 .offset = offsetof(_state, _field), \
683}
684
685#define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \
686 .name = (stringify(_field)), \
687 .version_id = (_version), \
688 .field_exists = (_test), \
689 .size = (_size), \
690 .info = &(_info), \
691 .flags = VMS_BUFFER, \
692 .offset = offsetof(_state, _field), \
693}
694
695#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \
696 .name = (stringify(_field)), \
697 .version_id = (_version), \
698 .size = (_size), \
699 .info = &vmstate_info_buffer, \
700 .flags = VMS_BUFFER|VMS_POINTER, \
701 .offset = offsetof(_state, _field), \
702}
703
704
705
706
707
708
709
710
711
712#define VMSTATE_WITH_TMP(_state, _tmp_type, _vmsd) { \
713 .name = "tmp", \
714 .size = sizeof(_tmp_type) + \
715 QEMU_BUILD_BUG_ON_ZERO(offsetof(_tmp_type, parent) != 0) + \
716 type_check_pointer(_state, \
717 typeof_field(_tmp_type, parent)), \
718 .vmsd = &(_vmsd), \
719 .info = &vmstate_info_tmp, \
720}
721
722#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
723 .name = "unused", \
724 .field_exists = (_test), \
725 .version_id = (_version), \
726 .size = (_size), \
727 .info = &vmstate_info_unused_buffer, \
728 .flags = VMS_BUFFER, \
729}
730
731
732#define VMSTATE_UNUSED_VARRAY_UINT32(_state, _test, _version, _field_num, _size) {\
733 .name = "unused", \
734 .field_exists = (_test), \
735 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
736 .version_id = (_version), \
737 .size = (_size), \
738 .info = &vmstate_info_unused_buffer, \
739 .flags = VMS_VARRAY_UINT32 | VMS_BUFFER, \
740}
741
742
743
744
745#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
746 .name = (stringify(_field)), \
747 .version_id = (_version), \
748 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
749 .info = &vmstate_info_bitmap, \
750 .flags = VMS_VBUFFER|VMS_POINTER, \
751 .offset = offsetof(_state, _field), \
752}
753
754
755
756
757
758
759
760
761
762#define VMSTATE_QTAILQ_V(_field, _state, _version, _vmsd, _type, _next) \
763{ \
764 .name = (stringify(_field)), \
765 .version_id = (_version), \
766 .vmsd = &(_vmsd), \
767 .size = sizeof(_type), \
768 .info = &vmstate_info_qtailq, \
769 .offset = offsetof(_state, _field), \
770 .start = offsetof(_type, _next), \
771}
772
773
774
775
776
777
778
779
780
781
782#define VMSTATE_GTREE_V(_field, _state, _version, _vmsd, \
783 _key_type, _val_type) \
784{ \
785 .name = (stringify(_field)), \
786 .version_id = (_version), \
787 .vmsd = (_vmsd), \
788 .info = &vmstate_info_gtree, \
789 .start = sizeof(_key_type), \
790 .size = sizeof(_val_type), \
791 .offset = offsetof(_state, _field), \
792}
793
794
795
796
797
798
799
800
801#define VMSTATE_GTREE_DIRECT_KEY_V(_field, _state, _version, _vmsd, _val_type) \
802{ \
803 .name = (stringify(_field)), \
804 .version_id = (_version), \
805 .vmsd = (_vmsd), \
806 .info = &vmstate_info_gtree, \
807 .start = 0, \
808 .size = sizeof(_val_type), \
809 .offset = offsetof(_state, _field), \
810}
811
812
813
814
815
816
817
818
819
820
821#define VMSTATE_QLIST_V(_field, _state, _version, _vmsd, _type, _next) \
822{ \
823 .name = (stringify(_field)), \
824 .version_id = (_version), \
825 .vmsd = &(_vmsd), \
826 .size = sizeof(_type), \
827 .info = &vmstate_info_qlist, \
828 .offset = offsetof(_state, _field), \
829 .start = offsetof(_type, _next), \
830}
831
832
833
834
835
836
837
838
839#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
840 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
841
842#define VMSTATE_VSTRUCT(_field, _state, _vmsd, _type, _struct_version)\
843 VMSTATE_VSTRUCT_TEST(_field, _state, NULL, 0, _vmsd, _type, _struct_version)
844
845#define VMSTATE_VSTRUCT_V(_field, _state, _version, _vmsd, _type, _struct_version) \
846 VMSTATE_VSTRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type, \
847 _struct_version)
848
849#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
850 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
851
852#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
853 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type)
854
855#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \
856 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type)
857
858#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
859 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
860 _vmsd, _type)
861
862#define VMSTATE_STRUCT_2DARRAY(_field, _state, _n1, _n2, _version, \
863 _vmsd, _type) \
864 VMSTATE_STRUCT_2DARRAY_TEST(_field, _state, _n1, _n2, NULL, \
865 _version, _vmsd, _type)
866
867#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \
868 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \
869 _size)
870
871#define VMSTATE_BOOL_V(_f, _s, _v) \
872 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
873
874#define VMSTATE_INT8_V(_f, _s, _v) \
875 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
876#define VMSTATE_INT16_V(_f, _s, _v) \
877 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
878#define VMSTATE_INT32_V(_f, _s, _v) \
879 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
880#define VMSTATE_INT64_V(_f, _s, _v) \
881 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
882
883#define VMSTATE_UINT8_V(_f, _s, _v) \
884 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
885#define VMSTATE_UINT16_V(_f, _s, _v) \
886 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
887#define VMSTATE_UINT32_V(_f, _s, _v) \
888 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
889#define VMSTATE_UINT64_V(_f, _s, _v) \
890 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
891
892#ifdef CONFIG_LINUX
893
894#define VMSTATE_U8_V(_f, _s, _v) \
895 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, __u8)
896#define VMSTATE_U16_V(_f, _s, _v) \
897 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, __u16)
898#define VMSTATE_U32_V(_f, _s, _v) \
899 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, __u32)
900#define VMSTATE_U64_V(_f, _s, _v) \
901 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, __u64)
902
903#endif
904
905#define VMSTATE_BOOL(_f, _s) \
906 VMSTATE_BOOL_V(_f, _s, 0)
907
908#define VMSTATE_INT8(_f, _s) \
909 VMSTATE_INT8_V(_f, _s, 0)
910#define VMSTATE_INT16(_f, _s) \
911 VMSTATE_INT16_V(_f, _s, 0)
912#define VMSTATE_INT32(_f, _s) \
913 VMSTATE_INT32_V(_f, _s, 0)
914#define VMSTATE_INT64(_f, _s) \
915 VMSTATE_INT64_V(_f, _s, 0)
916
917#define VMSTATE_UINT8(_f, _s) \
918 VMSTATE_UINT8_V(_f, _s, 0)
919#define VMSTATE_UINT16(_f, _s) \
920 VMSTATE_UINT16_V(_f, _s, 0)
921#define VMSTATE_UINT32(_f, _s) \
922 VMSTATE_UINT32_V(_f, _s, 0)
923#define VMSTATE_UINT64(_f, _s) \
924 VMSTATE_UINT64_V(_f, _s, 0)
925
926#ifdef CONFIG_LINUX
927
928#define VMSTATE_U8(_f, _s) \
929 VMSTATE_U8_V(_f, _s, 0)
930#define VMSTATE_U16(_f, _s) \
931 VMSTATE_U16_V(_f, _s, 0)
932#define VMSTATE_U32(_f, _s) \
933 VMSTATE_U32_V(_f, _s, 0)
934#define VMSTATE_U64(_f, _s) \
935 VMSTATE_U64_V(_f, _s, 0)
936
937#endif
938
939#define VMSTATE_UINT8_EQUAL(_f, _s, _err_hint) \
940 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \
941 vmstate_info_uint8_equal, uint8_t, _err_hint)
942
943#define VMSTATE_UINT16_EQUAL(_f, _s, _err_hint) \
944 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \
945 vmstate_info_uint16_equal, uint16_t, _err_hint)
946
947#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v, _err_hint) \
948 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \
949 vmstate_info_uint16_equal, uint16_t, _err_hint)
950
951#define VMSTATE_INT32_EQUAL(_f, _s, _err_hint) \
952 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \
953 vmstate_info_int32_equal, int32_t, _err_hint)
954
955#define VMSTATE_UINT32_EQUAL_V(_f, _s, _v, _err_hint) \
956 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \
957 vmstate_info_uint32_equal, uint32_t, _err_hint)
958
959#define VMSTATE_UINT32_EQUAL(_f, _s, _err_hint) \
960 VMSTATE_UINT32_EQUAL_V(_f, _s, 0, _err_hint)
961
962#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v, _err_hint) \
963 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \
964 vmstate_info_uint64_equal, uint64_t, _err_hint)
965
966#define VMSTATE_UINT64_EQUAL(_f, _s, _err_hint) \
967 VMSTATE_UINT64_EQUAL_V(_f, _s, 0, _err_hint)
968
969#define VMSTATE_INT32_POSITIVE_LE(_f, _s) \
970 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
971
972#define VMSTATE_BOOL_TEST(_f, _s, _t) \
973 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_bool, bool)
974
975#define VMSTATE_INT8_TEST(_f, _s, _t) \
976 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t)
977
978#define VMSTATE_INT16_TEST(_f, _s, _t) \
979 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t)
980
981#define VMSTATE_INT32_TEST(_f, _s, _t) \
982 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t)
983
984#define VMSTATE_INT64_TEST(_f, _s, _t) \
985 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t)
986
987#define VMSTATE_UINT8_TEST(_f, _s, _t) \
988 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
989
990#define VMSTATE_UINT16_TEST(_f, _s, _t) \
991 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
992
993#define VMSTATE_UINT32_TEST(_f, _s, _t) \
994 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
995
996#define VMSTATE_UINT64_TEST(_f, _s, _t) \
997 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t)
998
999
1000#define VMSTATE_FLOAT64_V(_f, _s, _v) \
1001 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64)
1002
1003#define VMSTATE_FLOAT64(_f, _s) \
1004 VMSTATE_FLOAT64_V(_f, _s, 0)
1005
1006#define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \
1007 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
1008
1009#define VMSTATE_TIMER_PTR_V(_f, _s, _v) \
1010 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
1011
1012#define VMSTATE_TIMER_PTR(_f, _s) \
1013 VMSTATE_TIMER_PTR_V(_f, _s, 0)
1014
1015#define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \
1016 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
1017
1018#define VMSTATE_TIMER_TEST(_f, _s, _test) \
1019 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer)
1020
1021#define VMSTATE_TIMER_V(_f, _s, _v) \
1022 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer)
1023
1024#define VMSTATE_TIMER(_f, _s) \
1025 VMSTATE_TIMER_V(_f, _s, 0)
1026
1027#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
1028 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer)
1029
1030#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
1031 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
1032
1033#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
1034 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
1035
1036#define VMSTATE_BOOL_SUB_ARRAY(_f, _s, _start, _num) \
1037 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_bool, bool)
1038
1039#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
1040 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
1041
1042#define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1043 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t)
1044
1045#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
1046 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
1047
1048#define VMSTATE_UINT16_SUB_ARRAY(_f, _s, _start, _num) \
1049 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint16, uint16_t)
1050
1051#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \
1052 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0)
1053
1054#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1055 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t)
1056
1057#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
1058 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
1059
1060#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
1061 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
1062
1063#define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \
1064 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t)
1065
1066#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \
1067 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0)
1068
1069#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
1070 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
1071
1072#define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1073 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t)
1074
1075#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
1076 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
1077
1078#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
1079 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
1080
1081#define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \
1082 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0)
1083
1084#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
1085 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
1086
1087#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
1088 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
1089
1090#define VMSTATE_UINT64_SUB_ARRAY(_f, _s, _start, _num) \
1091 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint64, uint64_t)
1092
1093#define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \
1094 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0)
1095
1096#define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1097 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t)
1098
1099#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
1100 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
1101
1102#define VMSTATE_INT16_ARRAY(_f, _s, _n) \
1103 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
1104
1105#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
1106 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
1107
1108#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
1109 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
1110
1111#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
1112 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
1113
1114#define VMSTATE_INT64_ARRAY(_f, _s, _n) \
1115 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
1116
1117#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \
1118 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64)
1119
1120#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \
1121 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0)
1122
1123#define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \
1124 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU)
1125
1126#define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \
1127 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0)
1128
1129#define VMSTATE_BUFFER_V(_f, _s, _v) \
1130 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
1131
1132#define VMSTATE_BUFFER(_f, _s) \
1133 VMSTATE_BUFFER_V(_f, _s, 0)
1134
1135#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
1136 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
1137
1138#define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \
1139 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f)))
1140
1141#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
1142 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0)
1143
1144#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
1145 VMSTATE_VBUFFER(_f, _s, 0, NULL, _size)
1146
1147#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
1148 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, _size)
1149
1150#define VMSTATE_BUFFER_TEST(_f, _s, _test) \
1151 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
1152
1153#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
1154 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170#define VMSTATE_UNUSED_V(_v, _size) \
1171 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
1172
1173#define VMSTATE_UNUSED(_size) \
1174 VMSTATE_UNUSED_V(0, _size)
1175
1176#define VMSTATE_UNUSED_TEST(_test, _size) \
1177 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
1178
1179#define VMSTATE_END_OF_LIST() \
1180 {}
1181
1182int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
1183 void *opaque, int version_id);
1184int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
1185 void *opaque, QJSON *vmdesc);
1186int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,
1187 void *opaque, QJSON *vmdesc, int version_id);
1188
1189bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
1190
1191#define VMSTATE_INSTANCE_ID_ANY -1
1192
1193
1194int vmstate_register_with_alias_id(VMStateIf *obj, uint32_t instance_id,
1195 const VMStateDescription *vmsd,
1196 void *base, int alias_id,
1197 int required_for_version,
1198 Error **errp);
1199
1200
1201static inline int vmstate_register(VMStateIf *obj, int instance_id,
1202 const VMStateDescription *vmsd,
1203 void *opaque)
1204{
1205 return vmstate_register_with_alias_id(obj, instance_id, vmsd,
1206 opaque, -1, 0, NULL);
1207}
1208
1209void vmstate_unregister(VMStateIf *obj, const VMStateDescription *vmsd,
1210 void *opaque);
1211
1212void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
1213void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
1214void vmstate_register_ram_global(struct MemoryRegion *memory);
1215
1216bool vmstate_check_only_migratable(const VMStateDescription *vmsd);
1217
1218#endif
1219