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[qemu.git] / include / migration / vmstate.h
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701a8f76
PB		 1/*
2 * QEMU migration/snapshot declarations
3 *
4 * Copyright (c) 2009-2011 Red Hat, Inc.
5 *
6 * Original author: Juan Quintela <[email protected]>
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26#ifndef QEMU_VMSTATE_H
27#define QEMU_VMSTATE_H 1
28
ec3f8c99 29#ifndef CONFIG_USER_ONLY
a9c94277 30#include "migration/qemu-file.h"
ec3f8c99 31#endif
17b74b98 32#include "migration/qjson.h"
fd7f0d66 33
701a8f76 34typedef void SaveStateHandler(QEMUFile *f, void *opaque);
701a8f76
PB		 35typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
36
22ea40f4 37typedef struct SaveVMHandlers {
32c835ba 38 /* This runs inside the iothread lock. */
86253685 39 void (*set_params)(const MigrationParams *params, void * opaque);
22ea40f4 40 SaveStateHandler *save_state;
8c8de19d 41
d1a8548c 42 void (*cleanup)(void *opaque);
763c906b 43 int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque);
a3e06c3d 44 int (*save_live_complete_precopy)(QEMUFile *f, void *opaque);
32c835ba
PB		 45
46 /* This runs both outside and inside the iothread lock. */
8c8de19d 47 bool (*is_active)(void *opaque);
32c835ba
PB		 48
49 /* This runs outside the iothread lock in the migration case, and
50 * within the lock in the savevm case. The callback had better only
51 * use data that is local to the migration thread or protected
52 * by other locks.
53 */
8c8de19d 54 int (*save_live_iterate)(QEMUFile *f, void *opaque);
32c835ba
PB		 55
56 /* This runs outside the iothread lock! */
9b095037 57 int (*save_live_setup)(QEMUFile *f, void *opaque);
c31b098f
DDAG		 58 void (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size,
59 uint64_t *non_postcopiable_pending,
60 uint64_t *postcopiable_pending);
22ea40f4
JQ		 61 LoadStateHandler *load_state;
62} SaveVMHandlers;
63
701a8f76
PB		 64int register_savevm(DeviceState *dev,
65 const char *idstr,
66 int instance_id,
67 int version_id,
68 SaveStateHandler *save_state,
69 LoadStateHandler *load_state,
70 void *opaque);
71
72int register_savevm_live(DeviceState *dev,
73 const char *idstr,
74 int instance_id,
75 int version_id,
7908c78d 76 SaveVMHandlers *ops,
701a8f76
PB		 77 void *opaque);
78
79void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
701a8f76
PB		 80
81typedef struct VMStateInfo VMStateInfo;
82typedef struct VMStateDescription VMStateDescription;
83
84struct VMStateInfo {
85 const char *name;
86 int (*get)(QEMUFile *f, void *pv, size_t size);
87 void (*put)(QEMUFile *f, void *pv, size_t size);
88};
89
90enum VMStateFlags {
8da5ef57 91 /* Ignored */
701a8f76 92 VMS_SINGLE = 0x001,
8da5ef57
SS		 93
94 /* The struct member at opaque + VMStateField.offset is a pointer
95 * to the actual field (e.g. struct a { uint8_t *b;
96 * }). Dereference the pointer before using it as basis for
97 * further pointer arithmetic (see e.g. VMS_ARRAY). Does not
98 * affect the meaning of VMStateField.num_offset or
99 * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for
100 * those. */
701a8f76 101 VMS_POINTER = 0x002,
8da5ef57
SS		 102
103 /* The field is an array of fixed size. VMStateField.num contains
104 * the number of entries in the array. The size of each entry is
105 * given by VMStateField.size and / or opaque +
106 * VMStateField.size_offset; see VMS_VBUFFER and
107 * VMS_MULTIPLY. Each array entry will be processed individually
108 * (VMStateField.info.get()/put() if VMS_STRUCT is not set,
109 * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not
110 * be combined with VMS_VARRAY*. */
701a8f76 111 VMS_ARRAY = 0x004,
8da5ef57
SS		 112
113 /* The field is itself a struct, containing one or more
114 * fields. Recurse into VMStateField.vmsd. Most useful in
115 * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each
116 * array entry. */
701a8f76 117 VMS_STRUCT = 0x008,
8da5ef57
SS		 118
119 /* The field is an array of variable size. The int32_t at opaque +
120 * VMStateField.num_offset contains the number of entries in the
121 * array. See the VMS_ARRAY description regarding array handling
122 * in general. May not be combined with VMS_ARRAY or any other
123 * VMS_VARRAY*. */
124 VMS_VARRAY_INT32 = 0x010,
125
126 /* Ignored */
127 VMS_BUFFER = 0x020,
128
129 /* The field is a (fixed-size or variable-size) array of pointers
130 * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry
131 * before using it. Note: Does not imply any one of VMS_ARRAY /
132 * VMS_VARRAY*; these need to be set explicitly. */
701a8f76 133 VMS_ARRAY_OF_POINTER = 0x040,
8da5ef57
SS		 134
135 /* The field is an array of variable size. The uint16_t at opaque
136 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
137 * contains the number of entries in the array. See the VMS_ARRAY
138 * description regarding array handling in general. May not be
139 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
140 VMS_VARRAY_UINT16 = 0x080,
141
142 /* The size of the individual entries (a single array entry if
143 * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if
144 * neither is set) is variable (i.e. not known at compile-time),
145 * but the same for all entries. Use the int32_t at opaque +
146 * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine
147 * the size of each (and every) entry. */
148 VMS_VBUFFER = 0x100,
149
150 /* Multiply the entry size given by the int32_t at opaque +
151 * VMStateField.size_offset (see VMS_VBUFFER description) with
152 * VMStateField.size to determine the number of bytes to be
153 * allocated. Only valid in combination with VMS_VBUFFER. */
154 VMS_MULTIPLY = 0x200,
155
156 /* The field is an array of variable size. The uint8_t at opaque +
157 * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
158 * contains the number of entries in the array. See the VMS_ARRAY
159 * description regarding array handling in general. May not be
160 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
161 VMS_VARRAY_UINT8 = 0x400,
162
163 /* The field is an array of variable size. The uint32_t at opaque
164 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
165 * contains the number of entries in the array. See the VMS_ARRAY
166 * description regarding array handling in general. May not be
167 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
168 VMS_VARRAY_UINT32 = 0x800,
169
170 /* Fail loading the serialised VM state if this field is missing
171 * from the input. */
172 VMS_MUST_EXIST = 0x1000,
173
174 /* When loading serialised VM state, allocate memory for the
175 * (entire) field. Only valid in combination with
176 * VMS_POINTER. Note: Not all combinations with other flags are
177 * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't
178 * cause the individual entries to be allocated. */
179 VMS_ALLOC = 0x2000,
180
181 /* Multiply the number of entries given by the integer at opaque +
182 * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num
183 * to determine the number of entries in the array. Only valid in
184 * combination with one of VMS_VARRAY*. */
185 VMS_MULTIPLY_ELEMENTS = 0x4000,
701a8f76
PB		 186};
187
188typedef struct {
189 const char *name;
190 size_t offset;
191 size_t size;
192 size_t start;
193 int num;
194 size_t num_offset;
195 size_t size_offset;
196 const VMStateInfo *info;
197 enum VMStateFlags flags;
198 const VMStateDescription *vmsd;
199 int version_id;
200 bool (*field_exists)(void *opaque, int version_id);
201} VMStateField;
202
701a8f76
PB		 203struct VMStateDescription {
204 const char *name;
205 int unmigratable;
206 int version_id;
207 int minimum_version_id;
208 int minimum_version_id_old;
209 LoadStateHandler *load_state_old;
210 int (*pre_load)(void *opaque);
211 int (*post_load)(void *opaque, int version_id);
212 void (*pre_save)(void *opaque);
5cd8cada 213 bool (*needed)(void *opaque);
701a8f76 214 VMStateField *fields;
5cd8cada 215 const VMStateDescription **subsections;
701a8f76
PB		 216};
217
c71c3e99 218extern const VMStateDescription vmstate_dummy;
c71c3e99 219
701a8f76
PB		 220extern const VMStateInfo vmstate_info_bool;
221
222extern const VMStateInfo vmstate_info_int8;
223extern const VMStateInfo vmstate_info_int16;
224extern const VMStateInfo vmstate_info_int32;
225extern const VMStateInfo vmstate_info_int64;
226
227extern const VMStateInfo vmstate_info_uint8_equal;
228extern const VMStateInfo vmstate_info_uint16_equal;
229extern const VMStateInfo vmstate_info_int32_equal;
230extern const VMStateInfo vmstate_info_uint32_equal;
e344b8a1 231extern const VMStateInfo vmstate_info_uint64_equal;
701a8f76
PB		 232extern const VMStateInfo vmstate_info_int32_le;
233
234extern const VMStateInfo vmstate_info_uint8;
235extern const VMStateInfo vmstate_info_uint16;
236extern const VMStateInfo vmstate_info_uint32;
237extern const VMStateInfo vmstate_info_uint64;
238
213945e4 239extern const VMStateInfo vmstate_info_float64;
55174749 240extern const VMStateInfo vmstate_info_cpudouble;
213945e4 241
701a8f76
PB		 242extern const VMStateInfo vmstate_info_timer;
243extern const VMStateInfo vmstate_info_buffer;
244extern const VMStateInfo vmstate_info_unused_buffer;
08e99e29 245extern const VMStateInfo vmstate_info_bitmap;
701a8f76 246
bd7f92e5 247#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0)
701a8f76
PB		 248#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
249#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
250
251#define vmstate_offset_value(_state, _field, _type) \
252 (offsetof(_state, _field) + \
253 type_check(_type, typeof_field(_state, _field)))
254
255#define vmstate_offset_pointer(_state, _field, _type) \
256 (offsetof(_state, _field) + \
257 type_check_pointer(_type, typeof_field(_state, _field)))
258
259#define vmstate_offset_array(_state, _field, _type, _num) \
260 (offsetof(_state, _field) + \
261 type_check_array(_type, typeof_field(_state, _field), _num))
262
bd7f92e5
PM		 263#define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \
264 (offsetof(_state, _field) + \
265 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2))
266
701a8f76 267#define vmstate_offset_sub_array(_state, _field, _type, _start) \
ea987c2c 268 vmstate_offset_value(_state, _field[_start], _type)
701a8f76
PB		 269
270#define vmstate_offset_buffer(_state, _field) \
271 vmstate_offset_array(_state, _field, uint8_t, \
272 sizeof(typeof_field(_state, _field)))
273
274#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
275 .name = (stringify(_field)), \
276 .version_id = (_version), \
277 .field_exists = (_test), \
278 .size = sizeof(_type), \
279 .info = &(_info), \
280 .flags = VMS_SINGLE, \
281 .offset = vmstate_offset_value(_state, _field, _type), \
282}
283
4082f088
MT		 284/* Validate state using a boolean predicate. */
285#define VMSTATE_VALIDATE(_name, _test) { \
286 .name = (_name), \
287 .field_exists = (_test), \
288 .flags = VMS_ARRAY | VMS_MUST_EXIST, \
289 .num = 0, /* 0 elements: no data, only run _test */ \
290}
291
701a8f76
PB		 292#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
293 .name = (stringify(_field)), \
294 .version_id = (_version), \
295 .info = &(_info), \
296 .size = sizeof(_type), \
297 .flags = VMS_SINGLE|VMS_POINTER, \
298 .offset = vmstate_offset_value(_state, _field, _type), \
299}
300
301#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
302 .name = (stringify(_field)), \
303 .info = &(_info), \
304 .field_exists = (_test), \
305 .size = sizeof(_type), \
306 .flags = VMS_SINGLE|VMS_POINTER, \
307 .offset = vmstate_offset_value(_state, _field, _type), \
308}
309
310#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
311 .name = (stringify(_field)), \
312 .version_id = (_version), \
313 .num = (_num), \
314 .info = &(_info), \
315 .size = sizeof(_type), \
316 .flags = VMS_ARRAY, \
317 .offset = vmstate_offset_array(_state, _field, _type, _num), \
318}
319
bd7f92e5
PM		 320#define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \
321 .name = (stringify(_field)), \
322 .version_id = (_version), \
323 .num = (_n1) * (_n2), \
324 .info = &(_info), \
325 .size = sizeof(_type), \
326 .flags = VMS_ARRAY, \
327 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \
328}
329
b47d3af7
JQ		 330#define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \
331 .name = (stringify(_field)), \
332 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
333 .num = (_multiply), \
334 .info = &(_info), \
335 .size = sizeof(_type), \
336 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \
337 .offset = offsetof(_state, _field), \
338}
339
701a8f76
PB		 340#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
341 .name = (stringify(_field)), \
342 .field_exists = (_test), \
343 .num = (_num), \
344 .info = &(_info), \
345 .size = sizeof(_type), \
346 .flags = VMS_ARRAY, \
347 .offset = vmstate_offset_array(_state, _field, _type, _num),\
348}
349
350#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
351 .name = (stringify(_field)), \
352 .version_id = (_version), \
353 .num = (_num), \
354 .info = &(_info), \
355 .size = sizeof(_type), \
356 .flags = VMS_ARRAY, \
357 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
358}
359
360#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
361 .name = (stringify(_field)), \
362 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
363 .info = &(_info), \
364 .size = sizeof(_type), \
365 .flags = VMS_VARRAY_INT32, \
366 .offset = offsetof(_state, _field), \
367}
368
369#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
370 .name = (stringify(_field)), \
371 .version_id = (_version), \
372 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
373 .info = &(_info), \
374 .size = sizeof(_type), \
375 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
376 .offset = vmstate_offset_pointer(_state, _field, _type), \
377}
378
379#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
380 .name = (stringify(_field)), \
381 .version_id = (_version), \
382 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
383 .info = &(_info), \
384 .size = sizeof(_type), \
385 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
386 .offset = vmstate_offset_pointer(_state, _field, _type), \
387}
388
705124ea
AK		 389#define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
390 .name = (stringify(_field)), \
391 .version_id = (_version), \
392 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
393 .info = &(_info), \
394 .size = sizeof(_type), \
395 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \
396 .offset = vmstate_offset_pointer(_state, _field, _type), \
397}
398
701a8f76
PB		 399#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
400 .name = (stringify(_field)), \
401 .version_id = (_version), \
402 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
403 .info = &(_info), \
404 .size = sizeof(_type), \
405 .flags = VMS_VARRAY_UINT16, \
406 .offset = offsetof(_state, _field), \
407}
408
409#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
410 .name = (stringify(_field)), \
411 .version_id = (_version), \
412 .field_exists = (_test), \
413 .vmsd = &(_vmsd), \
414 .size = sizeof(_type), \
415 .flags = VMS_STRUCT, \
416 .offset = vmstate_offset_value(_state, _field, _type), \
417}
418
7102400d 419#define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \
701a8f76 420 .name = (stringify(_field)), \
7102400d
AK		 421 .version_id = (_version), \
422 .vmsd = &(_vmsd), \
20bcf73f 423 .size = sizeof(_type *), \
7102400d 424 .flags = VMS_STRUCT|VMS_POINTER, \
20bcf73f 425 .offset = vmstate_offset_pointer(_state, _field, _type), \
7102400d
AK		 426}
427
428#define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \
429 .name = (stringify(_field)), \
430 .version_id = (_version), \
701a8f76
PB		 431 .field_exists = (_test), \
432 .vmsd = &(_vmsd), \
20bcf73f 433 .size = sizeof(_type *), \
701a8f76 434 .flags = VMS_STRUCT|VMS_POINTER, \
20bcf73f 435 .offset = vmstate_offset_pointer(_state, _field, _type), \
701a8f76
PB		 436}
437
438#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
439 .name = (stringify(_field)), \
440 .version_id = (_version), \
441 .num = (_num), \
442 .info = &(_info), \
443 .size = sizeof(_type), \
444 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
445 .offset = vmstate_offset_array(_state, _field, _type, _num), \
446}
447
a1f05e79
PM		 448#define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \
449 .name = (stringify(_f)), \
450 .version_id = (_v), \
451 .num = (_n), \
452 .vmsd = &(_vmsd), \
453 .size = sizeof(_type *), \
454 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \
455 .offset = vmstate_offset_array(_s, _f, _type*, _n), \
456}
457
a03c3e90
PB		 458#define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \
459 .name = (stringify(_field)), \
460 .version_id = (_version), \
461 .num = (_num), \
462 .vmsd = &(_vmsd), \
463 .size = sizeof(_type), \
464 .flags = VMS_STRUCT|VMS_ARRAY, \
465 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
466}
467
701a8f76
PB		 468#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
469 .name = (stringify(_field)), \
470 .num = (_num), \
471 .field_exists = (_test), \
472 .version_id = (_version), \
473 .vmsd = &(_vmsd), \
474 .size = sizeof(_type), \
475 .flags = VMS_STRUCT|VMS_ARRAY, \
476 .offset = vmstate_offset_array(_state, _field, _type, _num),\
477}
478
3e996cc5 479#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
2cf01486 480 .name = (stringify(_field)), \
3e996cc5 481 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
2cf01486
DDAG		 482 .version_id = (_version), \
483 .vmsd = &(_vmsd), \
484 .size = sizeof(_type), \
3e996cc5 485 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
2cf01486
DDAG		 486 .offset = offsetof(_state, _field), \
487}
488
3e996cc5
DDAG		 489/* a variable length array (i.e. _type *_field) but we know the
490 * length
491 */
492#define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \
701a8f76 493 .name = (stringify(_field)), \
3e996cc5 494 .num = (_num), \
701a8f76
PB		 495 .version_id = (_version), \
496 .vmsd = &(_vmsd), \
497 .size = sizeof(_type), \
3e996cc5 498 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \
701a8f76
PB		 499 .offset = offsetof(_state, _field), \
500}
501
502#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
503 .name = (stringify(_field)), \
504 .version_id = 0, \
505 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
506 .size = sizeof(_type), \
507 .vmsd = &(_vmsd), \
508 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
509 .offset = vmstate_offset_pointer(_state, _field, _type), \
510}
511
8474a9dd
DG		 512#define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \
513 .name = (stringify(_field)), \
514 .version_id = 0, \
515 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
516 .size = sizeof(_type), \
517 .vmsd = &(_vmsd), \
518 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
519 .offset = vmstate_offset_pointer(_state, _field, _type), \
520}
521
701a8f76
PB		 522#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
523 .name = (stringify(_field)), \
524 .version_id = 0, \
525 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
526 .size = sizeof(_type), \
527 .vmsd = &(_vmsd), \
528 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
529 .offset = vmstate_offset_pointer(_state, _field, _type), \
530}
531
532#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
533 .name = (stringify(_field)), \
534 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
535 .version_id = (_version), \
536 .vmsd = &(_vmsd), \
537 .size = sizeof(_type), \
538 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
539 .offset = offsetof(_state, _field), \
540}
541
542#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
543 .name = (stringify(_field)), \
544 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
545 .version_id = (_version), \
546 .vmsd = &(_vmsd), \
547 .size = sizeof(_type), \
548 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
549 .offset = offsetof(_state, _field), \
550}
551
f32935ea
AK		 552#define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\
553 .name = (stringify(_field)), \
554 .version_id = (_version), \
555 .vmsd = &(_vmsd), \
556 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
557 .size = sizeof(_type), \
558 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \
559 .offset = vmstate_offset_pointer(_state, _field, _type), \
560}
561
701a8f76
PB		 562#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
563 .name = (stringify(_field)), \
564 .version_id = (_version), \
565 .field_exists = (_test), \
566 .size = (_size - _start), \
567 .info = &vmstate_info_buffer, \
568 .flags = VMS_BUFFER, \
569 .offset = vmstate_offset_buffer(_state, _field) + _start, \
570}
571
377e2cb9 572#define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
701a8f76
PB		 573 .name = (stringify(_field)), \
574 .version_id = (_version), \
575 .field_exists = (_test), \
576 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
577 .size = (_multiply), \
578 .info = &vmstate_info_buffer, \
377e2cb9 579 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
701a8f76
PB		 580 .offset = offsetof(_state, _field), \
581 .start = (_start), \
582}
583
584#define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
585 .name = (stringify(_field)), \
586 .version_id = (_version), \
587 .field_exists = (_test), \
588 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
589 .info = &vmstate_info_buffer, \
590 .flags = VMS_VBUFFER|VMS_POINTER, \
591 .offset = offsetof(_state, _field), \
592 .start = (_start), \
593}
594
595#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
596 .name = (stringify(_field)), \
597 .version_id = (_version), \
598 .field_exists = (_test), \
599 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
600 .info = &vmstate_info_buffer, \
601 .flags = VMS_VBUFFER|VMS_POINTER, \
602 .offset = offsetof(_state, _field), \
603 .start = (_start), \
604}
605
94ed706d
AK		 606#define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, _test, _start, _field_size) { \
607 .name = (stringify(_field)), \
608 .version_id = (_version), \
609 .field_exists = (_test), \
610 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
611 .info = &vmstate_info_buffer, \
612 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \
613 .offset = offsetof(_state, _field), \
614 .start = (_start), \
615}
616
9df0b0e0 617#define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \
701a8f76
PB		 618 .name = (stringify(_field)), \
619 .version_id = (_version), \
9df0b0e0 620 .field_exists = (_test), \
701a8f76
PB		 621 .size = (_size), \
622 .info = &(_info), \
623 .flags = VMS_BUFFER, \
624 .offset = offsetof(_state, _field), \
625}
626
8070568b
IM		 627#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \
628 .name = (stringify(_field)), \
629 .version_id = (_version), \
630 .size = (_size), \
631 .info = &vmstate_info_buffer, \
632 .flags = VMS_BUFFER|VMS_POINTER, \
633 .offset = offsetof(_state, _field), \
634}
635
701a8f76
PB		 636#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
637 .name = "unused", \
638 .field_exists = (_test), \
639 .version_id = (_version), \
640 .size = (_size), \
641 .info = &vmstate_info_unused_buffer, \
642 .flags = VMS_BUFFER, \
643}
644
08e99e29
PM		 645/* _field_size should be a int32_t field in the _state struct giving the
646 * size of the bitmap _field in bits.
647 */
648#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
649 .name = (stringify(_field)), \
650 .version_id = (_version), \
651 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
652 .info = &vmstate_info_bitmap, \
653 .flags = VMS_VBUFFER|VMS_POINTER, \
654 .offset = offsetof(_state, _field), \
655}
656
701a8f76
PB		 657/* _f : field name
658 _f_n : num of elements field_name
659 _n : num of elements
660 _s : struct state name
661 _v : version
662*/
663
664#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
665 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
666
667#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
668 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
669
670#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
7102400d
AK		 671 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type)
672
673#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \
674 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type)
701a8f76
PB		 675
676#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
677 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
678 _vmsd, _type)
679
9df0b0e0
LE		 680#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \
681 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \
682 _size)
683
701a8f76
PB		 684#define VMSTATE_BOOL_V(_f, _s, _v) \
685 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
686
687#define VMSTATE_INT8_V(_f, _s, _v) \
688 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
689#define VMSTATE_INT16_V(_f, _s, _v) \
690 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
691#define VMSTATE_INT32_V(_f, _s, _v) \
692 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
693#define VMSTATE_INT64_V(_f, _s, _v) \
694 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
695
696#define VMSTATE_UINT8_V(_f, _s, _v) \
697 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
698#define VMSTATE_UINT16_V(_f, _s, _v) \
699 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
700#define VMSTATE_UINT32_V(_f, _s, _v) \
701 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
702#define VMSTATE_UINT64_V(_f, _s, _v) \
703 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
704
705#define VMSTATE_BOOL(_f, _s) \
706 VMSTATE_BOOL_V(_f, _s, 0)
707
708#define VMSTATE_INT8(_f, _s) \
709 VMSTATE_INT8_V(_f, _s, 0)
710#define VMSTATE_INT16(_f, _s) \
711 VMSTATE_INT16_V(_f, _s, 0)
712#define VMSTATE_INT32(_f, _s) \
713 VMSTATE_INT32_V(_f, _s, 0)
714#define VMSTATE_INT64(_f, _s) \
715 VMSTATE_INT64_V(_f, _s, 0)
716
717#define VMSTATE_UINT8(_f, _s) \
718 VMSTATE_UINT8_V(_f, _s, 0)
719#define VMSTATE_UINT16(_f, _s) \
720 VMSTATE_UINT16_V(_f, _s, 0)
721#define VMSTATE_UINT32(_f, _s) \
722 VMSTATE_UINT32_V(_f, _s, 0)
723#define VMSTATE_UINT64(_f, _s) \
724 VMSTATE_UINT64_V(_f, _s, 0)
725
726#define VMSTATE_UINT8_EQUAL(_f, _s) \
727 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
728
729#define VMSTATE_UINT16_EQUAL(_f, _s) \
730 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
731
732#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \
733 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
734
735#define VMSTATE_INT32_EQUAL(_f, _s) \
736 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
737
d58f5598
DG		 738#define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \
739 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t)
740
741#define VMSTATE_UINT32_EQUAL(_f, _s) \
742 VMSTATE_UINT32_EQUAL_V(_f, _s, 0)
701a8f76 743
e344b8a1
DG		 744#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \
745 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t)
746
747#define VMSTATE_UINT64_EQUAL(_f, _s) \
748 VMSTATE_UINT64_EQUAL_V(_f, _s, 0)
749
3476436a 750#define VMSTATE_INT32_POSITIVE_LE(_f, _s) \
701a8f76
PB		 751 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
752
87774a4a
DG		 753#define VMSTATE_INT8_TEST(_f, _s, _t) \
754 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t)
755
756#define VMSTATE_INT16_TEST(_f, _s, _t) \
757 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t)
758
759#define VMSTATE_INT32_TEST(_f, _s, _t) \
760 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t)
761
762#define VMSTATE_INT64_TEST(_f, _s, _t) \
763 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t)
764
701a8f76
PB		 765#define VMSTATE_UINT8_TEST(_f, _s, _t) \
766 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
767
768#define VMSTATE_UINT16_TEST(_f, _s, _t) \
769 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
770
771#define VMSTATE_UINT32_TEST(_f, _s, _t) \
772 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
773
87774a4a
DG		 774#define VMSTATE_UINT64_TEST(_f, _s, _t) \
775 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t)
776
213945e4
DG		 777
778#define VMSTATE_FLOAT64_V(_f, _s, _v) \
779 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64)
780
781#define VMSTATE_FLOAT64(_f, _s) \
782 VMSTATE_FLOAT64_V(_f, _s, 0)
783
e720677e 784#define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \
701a8f76
PB		 785 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
786
e720677e 787#define VMSTATE_TIMER_PTR_V(_f, _s, _v) \
0281518a
PB		 788 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
789
e720677e
PB		 790#define VMSTATE_TIMER_PTR(_f, _s) \
791 VMSTATE_TIMER_PTR_V(_f, _s, 0)
792
793#define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \
794 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
795
796#define VMSTATE_TIMER_TEST(_f, _s, _test) \
797 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer)
798
799#define VMSTATE_TIMER_V(_f, _s, _v) \
800 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer)
801
701a8f76 802#define VMSTATE_TIMER(_f, _s) \
0281518a 803 VMSTATE_TIMER_V(_f, _s, 0)
701a8f76
PB		 804
805#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
e720677e 806 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer)
701a8f76
PB		 807
808#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
809 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
810
811#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
812 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
813
814#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
815 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
816
bd7f92e5
PM		 817#define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \
818 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t)
819
701a8f76
PB		 820#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
821 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
822
bd7f92e5
PM		 823#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \
824 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0)
825
826#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \
827 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t)
828
701a8f76
PB		 829#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
830 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
831
832#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
833 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
834
2e323f03
FZ		 835#define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \
836 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t)
837
bd7f92e5
PM		 838#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \
839 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0)
840
701a8f76
PB		 841#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
842 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
843
a1b1d277
CD		 844#define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \
845 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t)
846
701a8f76
PB		 847#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
848 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
849
a1b1d277
CD		 850#define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \
851 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0)
852
701a8f76
PB		 853#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
854 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
855
856#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
857 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
858
04716bc8
PM		 859#define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \
860 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0)
861
862#define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \
863 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t)
864
701a8f76
PB		 865#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
866 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
867
868#define VMSTATE_INT16_ARRAY(_f, _s, _n) \
869 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
870
871#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
872 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
873
874#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
875 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
876
877#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
878 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
879
701a8f76
PB		 880#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
881 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
882
883#define VMSTATE_INT64_ARRAY(_f, _s, _n) \
884 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
885
213945e4
DG		 886#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \
887 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64)
888
889#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \
890 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0)
891
55174749
JQ		 892#define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \
893 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU)
894
895#define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \
896 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0)
897
701a8f76
PB		 898#define VMSTATE_BUFFER_V(_f, _s, _v) \
899 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
900
901#define VMSTATE_BUFFER(_f, _s) \
902 VMSTATE_BUFFER_V(_f, _s, 0)
903
904#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
905 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
906
cc966774
PB		 907#define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \
908 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f)))
909
701a8f76 910#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
cc966774 911 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0)
701a8f76
PB		 912
913#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
914 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
915
916#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
917 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
918
919#define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \
920 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
921
922#define VMSTATE_BUFFER_TEST(_f, _s, _test) \
923 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
924
925#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
926 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
927
928#define VMSTATE_UNUSED_V(_v, _size) \
929 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
930
931#define VMSTATE_UNUSED(_size) \
932 VMSTATE_UNUSED_V(0, _size)
933
934#define VMSTATE_UNUSED_TEST(_test, _size) \
935 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
936
937#define VMSTATE_END_OF_LIST() \
938 {}
939
110f4630
JW		 940#define SELF_ANNOUNCE_ROUNDS 5
941
1a8f46f8
DDAG		 942void loadvm_free_handlers(MigrationIncomingState *mis);
943
701a8f76
PB		 944int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
945 void *opaque, int version_id);
946void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
8118f095 947 void *opaque, QJSON *vmdesc);
d7650eab 948
df896152
JQ		 949bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
950
701a8f76
PB		 951int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
952 const VMStateDescription *vmsd,
953 void *base, int alias_id,
954 int required_for_version);
d7650eab
AF		 955
956static inline int vmstate_register(DeviceState *dev, int instance_id,
957 const VMStateDescription *vmsd,
958 void *opaque)
959{
960 return vmstate_register_with_alias_id(dev, instance_id, vmsd,
961 opaque, -1, 0);
962}
963
701a8f76
PB		 964void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
965 void *opaque);
966
967struct MemoryRegion;
968void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
969void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
970void vmstate_register_ram_global(struct MemoryRegion *memory);
971
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JW		 972static inline
973int64_t self_announce_delay(int round)
974{
975 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0);
976 /* delay 50ms, 150ms, 250ms, ... */
977 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100;
978}
979
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AS		 980void dump_vmstate_json_to_file(FILE *out_fp);
981
701a8f76 982#endif
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