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migration: migrate QTAILQ
[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 */
175de524 26
701a8f76 27#ifndef QEMU_VMSTATE_H
175de524 28#define QEMU_VMSTATE_H
701a8f76 29
ec3f8c99 30#ifndef CONFIG_USER_ONLY
a9c94277 31#include "migration/qemu-file.h"
ec3f8c99 32#endif
17b74b98 33#include "migration/qjson.h"
fd7f0d66 34
701a8f76 35typedef void SaveStateHandler(QEMUFile *f, void *opaque);
701a8f76
PB		 36typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
37
22ea40f4 38typedef struct SaveVMHandlers {
32c835ba 39 /* This runs inside the iothread lock. */
86253685 40 void (*set_params)(const MigrationParams *params, void * opaque);
22ea40f4 41 SaveStateHandler *save_state;
8c8de19d 42
d1a8548c 43 void (*cleanup)(void *opaque);
763c906b 44 int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque);
a3e06c3d 45 int (*save_live_complete_precopy)(QEMUFile *f, void *opaque);
32c835ba
PB		 46
47 /* This runs both outside and inside the iothread lock. */
8c8de19d 48 bool (*is_active)(void *opaque);
32c835ba
PB		 49
50 /* This runs outside the iothread lock in the migration case, and
51 * within the lock in the savevm case. The callback had better only
52 * use data that is local to the migration thread or protected
53 * by other locks.
54 */
8c8de19d 55 int (*save_live_iterate)(QEMUFile *f, void *opaque);
32c835ba
PB		 56
57 /* This runs outside the iothread lock! */
9b095037 58 int (*save_live_setup)(QEMUFile *f, void *opaque);
c31b098f
DDAG		 59 void (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size,
60 uint64_t *non_postcopiable_pending,
61 uint64_t *postcopiable_pending);
22ea40f4
JQ		 62 LoadStateHandler *load_state;
63} SaveVMHandlers;
64
701a8f76
PB		 65int register_savevm(DeviceState *dev,
66 const char *idstr,
67 int instance_id,
68 int version_id,
69 SaveStateHandler *save_state,
70 LoadStateHandler *load_state,
71 void *opaque);
72
73int register_savevm_live(DeviceState *dev,
74 const char *idstr,
75 int instance_id,
76 int version_id,
7908c78d 77 SaveVMHandlers *ops,
701a8f76
PB		 78 void *opaque);
79
80void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
701a8f76
PB		 81
82typedef struct VMStateInfo VMStateInfo;
83typedef struct VMStateDescription VMStateDescription;
2c21ee76
JD		 84typedef struct VMStateField VMStateField;
85
86/* VMStateInfo allows customized migration of objects that don't fit in
87 * any category in VMStateFlags. Additional information is always passed
88 * into get and put in terms of field and vmdesc parameters. However
89 * these two parameters should only be used in cases when customized
90 * handling is needed, such as QTAILQ. For primitive data types such as
91 * integer, field and vmdesc parameters should be ignored inside get/put.
92 */
701a8f76
PB		 93struct VMStateInfo {
94 const char *name;
2c21ee76
JD		 95 int (*get)(QEMUFile *f, void *pv, size_t size, VMStateField *field);
96 int (*put)(QEMUFile *f, void *pv, size_t size, VMStateField *field,
97 QJSON *vmdesc);
701a8f76
PB		 98};
99
100enum VMStateFlags {
8da5ef57 101 /* Ignored */
701a8f76 102 VMS_SINGLE = 0x001,
8da5ef57
SS		 103
104 /* The struct member at opaque + VMStateField.offset is a pointer
105 * to the actual field (e.g. struct a { uint8_t *b;
106 * }). Dereference the pointer before using it as basis for
107 * further pointer arithmetic (see e.g. VMS_ARRAY). Does not
108 * affect the meaning of VMStateField.num_offset or
109 * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for
110 * those. */
701a8f76 111 VMS_POINTER = 0x002,
8da5ef57
SS		 112
113 /* The field is an array of fixed size. VMStateField.num contains
114 * the number of entries in the array. The size of each entry is
115 * given by VMStateField.size and / or opaque +
116 * VMStateField.size_offset; see VMS_VBUFFER and
117 * VMS_MULTIPLY. Each array entry will be processed individually
118 * (VMStateField.info.get()/put() if VMS_STRUCT is not set,
119 * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not
120 * be combined with VMS_VARRAY*. */
701a8f76 121 VMS_ARRAY = 0x004,
8da5ef57
SS		 122
123 /* The field is itself a struct, containing one or more
124 * fields. Recurse into VMStateField.vmsd. Most useful in
125 * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each
126 * array entry. */
701a8f76 127 VMS_STRUCT = 0x008,
8da5ef57
SS		 128
129 /* The field is an array of variable size. The int32_t at opaque +
130 * VMStateField.num_offset contains the number of entries in the
131 * array. See the VMS_ARRAY description regarding array handling
132 * in general. May not be combined with VMS_ARRAY or any other
133 * VMS_VARRAY*. */
134 VMS_VARRAY_INT32 = 0x010,
135
136 /* Ignored */
137 VMS_BUFFER = 0x020,
138
139 /* The field is a (fixed-size or variable-size) array of pointers
140 * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry
141 * before using it. Note: Does not imply any one of VMS_ARRAY /
142 * VMS_VARRAY*; these need to be set explicitly. */
701a8f76 143 VMS_ARRAY_OF_POINTER = 0x040,
8da5ef57
SS		 144
145 /* The field is an array of variable size. The uint16_t at opaque
146 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
147 * contains the number of entries in the array. See the VMS_ARRAY
148 * description regarding array handling in general. May not be
149 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
150 VMS_VARRAY_UINT16 = 0x080,
151
152 /* The size of the individual entries (a single array entry if
153 * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if
154 * neither is set) is variable (i.e. not known at compile-time),
155 * but the same for all entries. Use the int32_t at opaque +
156 * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine
157 * the size of each (and every) entry. */
158 VMS_VBUFFER = 0x100,
159
160 /* Multiply the entry size given by the int32_t at opaque +
161 * VMStateField.size_offset (see VMS_VBUFFER description) with
162 * VMStateField.size to determine the number of bytes to be
163 * allocated. Only valid in combination with VMS_VBUFFER. */
164 VMS_MULTIPLY = 0x200,
165
166 /* The field is an array of variable size. The uint8_t at opaque +
167 * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
168 * contains the number of entries in the array. See the VMS_ARRAY
169 * description regarding array handling in general. May not be
170 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
171 VMS_VARRAY_UINT8 = 0x400,
172
173 /* The field is an array of variable size. The uint32_t at opaque
174 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
175 * contains the number of entries in the array. See the VMS_ARRAY
176 * description regarding array handling in general. May not be
177 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
178 VMS_VARRAY_UINT32 = 0x800,
179
180 /* Fail loading the serialised VM state if this field is missing
181 * from the input. */
182 VMS_MUST_EXIST = 0x1000,
183
184 /* When loading serialised VM state, allocate memory for the
185 * (entire) field. Only valid in combination with
186 * VMS_POINTER. Note: Not all combinations with other flags are
187 * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't
188 * cause the individual entries to be allocated. */
189 VMS_ALLOC = 0x2000,
190
191 /* Multiply the number of entries given by the integer at opaque +
192 * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num
193 * to determine the number of entries in the array. Only valid in
194 * combination with one of VMS_VARRAY*. */
195 VMS_MULTIPLY_ELEMENTS = 0x4000,
701a8f76
PB		 196};
197
f37bc036
PX		 198typedef enum {
199 MIG_PRI_DEFAULT = 0,
8cdcf3c1 200 MIG_PRI_IOMMU, /* Must happen before PCI devices */
f37bc036
PX		 201 MIG_PRI_MAX,
202} MigrationPriority;
203
2c21ee76 204struct VMStateField {
701a8f76
PB		 205 const char *name;
206 size_t offset;
207 size_t size;
208 size_t start;
209 int num;
210 size_t num_offset;
211 size_t size_offset;
212 const VMStateInfo *info;
213 enum VMStateFlags flags;
214 const VMStateDescription *vmsd;
215 int version_id;
216 bool (*field_exists)(void *opaque, int version_id);
2c21ee76 217};
701a8f76 218
701a8f76
PB		 219struct VMStateDescription {
220 const char *name;
221 int unmigratable;
222 int version_id;
223 int minimum_version_id;
224 int minimum_version_id_old;
f37bc036 225 MigrationPriority priority;
701a8f76
PB		 226 LoadStateHandler *load_state_old;
227 int (*pre_load)(void *opaque);
228 int (*post_load)(void *opaque, int version_id);
229 void (*pre_save)(void *opaque);
5cd8cada 230 bool (*needed)(void *opaque);
701a8f76 231 VMStateField *fields;
5cd8cada 232 const VMStateDescription **subsections;
701a8f76
PB		 233};
234
c71c3e99 235extern const VMStateDescription vmstate_dummy;
c71c3e99 236
701a8f76
PB		 237extern const VMStateInfo vmstate_info_bool;
238
239extern const VMStateInfo vmstate_info_int8;
240extern const VMStateInfo vmstate_info_int16;
241extern const VMStateInfo vmstate_info_int32;
242extern const VMStateInfo vmstate_info_int64;
243
244extern const VMStateInfo vmstate_info_uint8_equal;
245extern const VMStateInfo vmstate_info_uint16_equal;
246extern const VMStateInfo vmstate_info_int32_equal;
247extern const VMStateInfo vmstate_info_uint32_equal;
e344b8a1 248extern const VMStateInfo vmstate_info_uint64_equal;
701a8f76
PB		 249extern const VMStateInfo vmstate_info_int32_le;
250
251extern const VMStateInfo vmstate_info_uint8;
252extern const VMStateInfo vmstate_info_uint16;
253extern const VMStateInfo vmstate_info_uint32;
254extern const VMStateInfo vmstate_info_uint64;
255
213945e4 256extern const VMStateInfo vmstate_info_float64;
55174749 257extern const VMStateInfo vmstate_info_cpudouble;
213945e4 258
701a8f76
PB		 259extern const VMStateInfo vmstate_info_timer;
260extern const VMStateInfo vmstate_info_buffer;
261extern const VMStateInfo vmstate_info_unused_buffer;
08e99e29 262extern const VMStateInfo vmstate_info_bitmap;
94869d5c 263extern const VMStateInfo vmstate_info_qtailq;
701a8f76 264
bd7f92e5 265#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0)
701a8f76
PB		 266#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
267#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
268
269#define vmstate_offset_value(_state, _field, _type) \
270 (offsetof(_state, _field) + \
271 type_check(_type, typeof_field(_state, _field)))
272
273#define vmstate_offset_pointer(_state, _field, _type) \
274 (offsetof(_state, _field) + \
275 type_check_pointer(_type, typeof_field(_state, _field)))
276
277#define vmstate_offset_array(_state, _field, _type, _num) \
278 (offsetof(_state, _field) + \
279 type_check_array(_type, typeof_field(_state, _field), _num))
280
bd7f92e5
PM		 281#define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \
282 (offsetof(_state, _field) + \
283 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2))
284
701a8f76 285#define vmstate_offset_sub_array(_state, _field, _type, _start) \
ea987c2c 286 vmstate_offset_value(_state, _field[_start], _type)
701a8f76
PB		 287
288#define vmstate_offset_buffer(_state, _field) \
289 vmstate_offset_array(_state, _field, uint8_t, \
290 sizeof(typeof_field(_state, _field)))
291
292#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
293 .name = (stringify(_field)), \
294 .version_id = (_version), \
295 .field_exists = (_test), \
296 .size = sizeof(_type), \
297 .info = &(_info), \
298 .flags = VMS_SINGLE, \
299 .offset = vmstate_offset_value(_state, _field, _type), \
300}
301
4082f088
MT		 302/* Validate state using a boolean predicate. */
303#define VMSTATE_VALIDATE(_name, _test) { \
304 .name = (_name), \
305 .field_exists = (_test), \
306 .flags = VMS_ARRAY | VMS_MUST_EXIST, \
307 .num = 0, /* 0 elements: no data, only run _test */ \
308}
309
701a8f76
PB		 310#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
311 .name = (stringify(_field)), \
312 .version_id = (_version), \
313 .info = &(_info), \
314 .size = sizeof(_type), \
315 .flags = VMS_SINGLE|VMS_POINTER, \
316 .offset = vmstate_offset_value(_state, _field, _type), \
317}
318
319#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
320 .name = (stringify(_field)), \
321 .info = &(_info), \
322 .field_exists = (_test), \
323 .size = sizeof(_type), \
324 .flags = VMS_SINGLE|VMS_POINTER, \
325 .offset = vmstate_offset_value(_state, _field, _type), \
326}
327
328#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
329 .name = (stringify(_field)), \
330 .version_id = (_version), \
331 .num = (_num), \
332 .info = &(_info), \
333 .size = sizeof(_type), \
334 .flags = VMS_ARRAY, \
335 .offset = vmstate_offset_array(_state, _field, _type, _num), \
336}
337
bd7f92e5
PM		 338#define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \
339 .name = (stringify(_field)), \
340 .version_id = (_version), \
341 .num = (_n1) * (_n2), \
342 .info = &(_info), \
343 .size = sizeof(_type), \
344 .flags = VMS_ARRAY, \
345 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \
346}
347
b47d3af7
JQ		 348#define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \
349 .name = (stringify(_field)), \
350 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
351 .num = (_multiply), \
352 .info = &(_info), \
353 .size = sizeof(_type), \
354 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \
355 .offset = offsetof(_state, _field), \
356}
357
701a8f76
PB		 358#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
359 .name = (stringify(_field)), \
360 .field_exists = (_test), \
361 .num = (_num), \
362 .info = &(_info), \
363 .size = sizeof(_type), \
364 .flags = VMS_ARRAY, \
365 .offset = vmstate_offset_array(_state, _field, _type, _num),\
366}
367
368#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
369 .name = (stringify(_field)), \
370 .version_id = (_version), \
371 .num = (_num), \
372 .info = &(_info), \
373 .size = sizeof(_type), \
374 .flags = VMS_ARRAY, \
375 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
376}
377
378#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
379 .name = (stringify(_field)), \
380 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
381 .info = &(_info), \
382 .size = sizeof(_type), \
383 .flags = VMS_VARRAY_INT32, \
384 .offset = offsetof(_state, _field), \
385}
386
387#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
388 .name = (stringify(_field)), \
389 .version_id = (_version), \
390 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
391 .info = &(_info), \
392 .size = sizeof(_type), \
393 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
394 .offset = vmstate_offset_pointer(_state, _field, _type), \
395}
396
397#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
398 .name = (stringify(_field)), \
399 .version_id = (_version), \
400 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
401 .info = &(_info), \
402 .size = sizeof(_type), \
403 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
404 .offset = vmstate_offset_pointer(_state, _field, _type), \
405}
406
705124ea
AK		 407#define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
408 .name = (stringify(_field)), \
409 .version_id = (_version), \
410 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
411 .info = &(_info), \
412 .size = sizeof(_type), \
413 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \
414 .offset = vmstate_offset_pointer(_state, _field, _type), \
415}
416
701a8f76
PB		 417#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
418 .name = (stringify(_field)), \
419 .version_id = (_version), \
420 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
421 .info = &(_info), \
422 .size = sizeof(_type), \
423 .flags = VMS_VARRAY_UINT16, \
424 .offset = offsetof(_state, _field), \
425}
426
427#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
428 .name = (stringify(_field)), \
429 .version_id = (_version), \
430 .field_exists = (_test), \
431 .vmsd = &(_vmsd), \
432 .size = sizeof(_type), \
433 .flags = VMS_STRUCT, \
434 .offset = vmstate_offset_value(_state, _field, _type), \
435}
436
7102400d 437#define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \
701a8f76 438 .name = (stringify(_field)), \
7102400d
AK		 439 .version_id = (_version), \
440 .vmsd = &(_vmsd), \
20bcf73f 441 .size = sizeof(_type *), \
7102400d 442 .flags = VMS_STRUCT|VMS_POINTER, \
20bcf73f 443 .offset = vmstate_offset_pointer(_state, _field, _type), \
7102400d
AK		 444}
445
446#define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \
447 .name = (stringify(_field)), \
448 .version_id = (_version), \
701a8f76
PB		 449 .field_exists = (_test), \
450 .vmsd = &(_vmsd), \
20bcf73f 451 .size = sizeof(_type *), \
701a8f76 452 .flags = VMS_STRUCT|VMS_POINTER, \
20bcf73f 453 .offset = vmstate_offset_pointer(_state, _field, _type), \
701a8f76
PB		 454}
455
456#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
457 .name = (stringify(_field)), \
458 .version_id = (_version), \
459 .num = (_num), \
460 .info = &(_info), \
461 .size = sizeof(_type), \
462 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
463 .offset = vmstate_offset_array(_state, _field, _type, _num), \
464}
465
a1f05e79
PM		 466#define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \
467 .name = (stringify(_f)), \
468 .version_id = (_v), \
469 .num = (_n), \
470 .vmsd = &(_vmsd), \
471 .size = sizeof(_type *), \
472 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \
473 .offset = vmstate_offset_array(_s, _f, _type*, _n), \
474}
475
a03c3e90
PB		 476#define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \
477 .name = (stringify(_field)), \
478 .version_id = (_version), \
479 .num = (_num), \
480 .vmsd = &(_vmsd), \
481 .size = sizeof(_type), \
482 .flags = VMS_STRUCT|VMS_ARRAY, \
483 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
484}
485
701a8f76
PB		 486#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
487 .name = (stringify(_field)), \
488 .num = (_num), \
489 .field_exists = (_test), \
490 .version_id = (_version), \
491 .vmsd = &(_vmsd), \
492 .size = sizeof(_type), \
493 .flags = VMS_STRUCT|VMS_ARRAY, \
494 .offset = vmstate_offset_array(_state, _field, _type, _num),\
495}
496
3e996cc5 497#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
2cf01486 498 .name = (stringify(_field)), \
3e996cc5 499 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
2cf01486
DDAG		 500 .version_id = (_version), \
501 .vmsd = &(_vmsd), \
502 .size = sizeof(_type), \
3e996cc5 503 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
2cf01486
DDAG		 504 .offset = offsetof(_state, _field), \
505}
506
3e996cc5
DDAG		 507/* a variable length array (i.e. _type *_field) but we know the
508 * length
509 */
510#define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \
701a8f76 511 .name = (stringify(_field)), \
3e996cc5 512 .num = (_num), \
701a8f76
PB		 513 .version_id = (_version), \
514 .vmsd = &(_vmsd), \
515 .size = sizeof(_type), \
3e996cc5 516 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \
701a8f76
PB		 517 .offset = offsetof(_state, _field), \
518}
519
520#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
521 .name = (stringify(_field)), \
522 .version_id = 0, \
523 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
524 .size = sizeof(_type), \
525 .vmsd = &(_vmsd), \
526 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
527 .offset = vmstate_offset_pointer(_state, _field, _type), \
528}
529
8474a9dd
DG		 530#define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \
531 .name = (stringify(_field)), \
532 .version_id = 0, \
533 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
534 .size = sizeof(_type), \
535 .vmsd = &(_vmsd), \
536 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
537 .offset = vmstate_offset_pointer(_state, _field, _type), \
538}
539
701a8f76
PB		 540#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
541 .name = (stringify(_field)), \
542 .version_id = 0, \
543 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
544 .size = sizeof(_type), \
545 .vmsd = &(_vmsd), \
546 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
547 .offset = vmstate_offset_pointer(_state, _field, _type), \
548}
549
550#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
551 .name = (stringify(_field)), \
552 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
553 .version_id = (_version), \
554 .vmsd = &(_vmsd), \
555 .size = sizeof(_type), \
556 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
557 .offset = offsetof(_state, _field), \
558}
559
560#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
561 .name = (stringify(_field)), \
562 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
563 .version_id = (_version), \
564 .vmsd = &(_vmsd), \
565 .size = sizeof(_type), \
566 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
567 .offset = offsetof(_state, _field), \
568}
569
f32935ea
AK		 570#define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\
571 .name = (stringify(_field)), \
572 .version_id = (_version), \
573 .vmsd = &(_vmsd), \
574 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
575 .size = sizeof(_type), \
576 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \
577 .offset = vmstate_offset_pointer(_state, _field, _type), \
578}
579
701a8f76
PB		 580#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
581 .name = (stringify(_field)), \
582 .version_id = (_version), \
583 .field_exists = (_test), \
584 .size = (_size - _start), \
585 .info = &vmstate_info_buffer, \
586 .flags = VMS_BUFFER, \
587 .offset = vmstate_offset_buffer(_state, _field) + _start, \
588}
589
377e2cb9 590#define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
701a8f76
PB		 591 .name = (stringify(_field)), \
592 .version_id = (_version), \
593 .field_exists = (_test), \
594 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
595 .size = (_multiply), \
596 .info = &vmstate_info_buffer, \
377e2cb9 597 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
701a8f76
PB		 598 .offset = offsetof(_state, _field), \
599 .start = (_start), \
600}
601
602#define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
603 .name = (stringify(_field)), \
604 .version_id = (_version), \
605 .field_exists = (_test), \
606 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
607 .info = &vmstate_info_buffer, \
608 .flags = VMS_VBUFFER|VMS_POINTER, \
609 .offset = offsetof(_state, _field), \
610 .start = (_start), \
611}
612
613#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
614 .name = (stringify(_field)), \
615 .version_id = (_version), \
616 .field_exists = (_test), \
617 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
618 .info = &vmstate_info_buffer, \
619 .flags = VMS_VBUFFER|VMS_POINTER, \
620 .offset = offsetof(_state, _field), \
621 .start = (_start), \
622}
623
94ed706d
AK		 624#define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, _test, _start, _field_size) { \
625 .name = (stringify(_field)), \
626 .version_id = (_version), \
627 .field_exists = (_test), \
628 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
629 .info = &vmstate_info_buffer, \
630 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \
631 .offset = offsetof(_state, _field), \
632 .start = (_start), \
633}
634
9df0b0e0 635#define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \
701a8f76
PB		 636 .name = (stringify(_field)), \
637 .version_id = (_version), \
9df0b0e0 638 .field_exists = (_test), \
701a8f76
PB		 639 .size = (_size), \
640 .info = &(_info), \
641 .flags = VMS_BUFFER, \
642 .offset = offsetof(_state, _field), \
643}
644
8070568b
IM		 645#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \
646 .name = (stringify(_field)), \
647 .version_id = (_version), \
648 .size = (_size), \
649 .info = &vmstate_info_buffer, \
650 .flags = VMS_BUFFER|VMS_POINTER, \
651 .offset = offsetof(_state, _field), \
652}
653
701a8f76
PB		 654#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
655 .name = "unused", \
656 .field_exists = (_test), \
657 .version_id = (_version), \
658 .size = (_size), \
659 .info = &vmstate_info_unused_buffer, \
660 .flags = VMS_BUFFER, \
661}
662
08e99e29
PM		 663/* _field_size should be a int32_t field in the _state struct giving the
664 * size of the bitmap _field in bits.
665 */
666#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
667 .name = (stringify(_field)), \
668 .version_id = (_version), \
669 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
670 .info = &vmstate_info_bitmap, \
671 .flags = VMS_VBUFFER|VMS_POINTER, \
672 .offset = offsetof(_state, _field), \
673}
674
94869d5c
JD		 675/* For migrating a QTAILQ.
676 * Target QTAILQ needs be properly initialized.
677 * _type: type of QTAILQ element
678 * _next: name of QTAILQ entry field in QTAILQ element
679 * _vmsd: VMSD for QTAILQ element
680 * size: size of QTAILQ element
681 * start: offset of QTAILQ entry in QTAILQ element
682 */
683#define VMSTATE_QTAILQ_V(_field, _state, _version, _vmsd, _type, _next) \
684{ \
685 .name = (stringify(_field)), \
686 .version_id = (_version), \
687 .vmsd = &(_vmsd), \
688 .size = sizeof(_type), \
689 .info = &vmstate_info_qtailq, \
690 .offset = offsetof(_state, _field), \
691 .start = offsetof(_type, _next), \
692}
693
701a8f76
PB		 694/* _f : field name
695 _f_n : num of elements field_name
696 _n : num of elements
697 _s : struct state name
698 _v : version
699*/
700
701#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
702 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
703
704#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
705 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
706
707#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
7102400d
AK		 708 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type)
709
710#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \
711 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type)
701a8f76
PB		 712
713#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
714 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
715 _vmsd, _type)
716
9df0b0e0
LE		 717#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \
718 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \
719 _size)
720
701a8f76
PB		 721#define VMSTATE_BOOL_V(_f, _s, _v) \
722 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
723
724#define VMSTATE_INT8_V(_f, _s, _v) \
725 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
726#define VMSTATE_INT16_V(_f, _s, _v) \
727 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
728#define VMSTATE_INT32_V(_f, _s, _v) \
729 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
730#define VMSTATE_INT64_V(_f, _s, _v) \
731 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
732
733#define VMSTATE_UINT8_V(_f, _s, _v) \
734 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
735#define VMSTATE_UINT16_V(_f, _s, _v) \
736 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
737#define VMSTATE_UINT32_V(_f, _s, _v) \
738 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
739#define VMSTATE_UINT64_V(_f, _s, _v) \
740 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
741
742#define VMSTATE_BOOL(_f, _s) \
743 VMSTATE_BOOL_V(_f, _s, 0)
744
745#define VMSTATE_INT8(_f, _s) \
746 VMSTATE_INT8_V(_f, _s, 0)
747#define VMSTATE_INT16(_f, _s) \
748 VMSTATE_INT16_V(_f, _s, 0)
749#define VMSTATE_INT32(_f, _s) \
750 VMSTATE_INT32_V(_f, _s, 0)
751#define VMSTATE_INT64(_f, _s) \
752 VMSTATE_INT64_V(_f, _s, 0)
753
754#define VMSTATE_UINT8(_f, _s) \
755 VMSTATE_UINT8_V(_f, _s, 0)
756#define VMSTATE_UINT16(_f, _s) \
757 VMSTATE_UINT16_V(_f, _s, 0)
758#define VMSTATE_UINT32(_f, _s) \
759 VMSTATE_UINT32_V(_f, _s, 0)
760#define VMSTATE_UINT64(_f, _s) \
761 VMSTATE_UINT64_V(_f, _s, 0)
762
763#define VMSTATE_UINT8_EQUAL(_f, _s) \
764 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
765
766#define VMSTATE_UINT16_EQUAL(_f, _s) \
767 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
768
769#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \
770 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
771
772#define VMSTATE_INT32_EQUAL(_f, _s) \
773 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
774
d58f5598
DG		 775#define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \
776 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t)
777
778#define VMSTATE_UINT32_EQUAL(_f, _s) \
779 VMSTATE_UINT32_EQUAL_V(_f, _s, 0)
701a8f76 780
e344b8a1
DG		 781#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \
782 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t)
783
784#define VMSTATE_UINT64_EQUAL(_f, _s) \
785 VMSTATE_UINT64_EQUAL_V(_f, _s, 0)
786
3476436a 787#define VMSTATE_INT32_POSITIVE_LE(_f, _s) \
701a8f76
PB		 788 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
789
87774a4a
DG		 790#define VMSTATE_INT8_TEST(_f, _s, _t) \
791 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t)
792
793#define VMSTATE_INT16_TEST(_f, _s, _t) \
794 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t)
795
796#define VMSTATE_INT32_TEST(_f, _s, _t) \
797 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t)
798
799#define VMSTATE_INT64_TEST(_f, _s, _t) \
800 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t)
801
701a8f76
PB		 802#define VMSTATE_UINT8_TEST(_f, _s, _t) \
803 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
804
805#define VMSTATE_UINT16_TEST(_f, _s, _t) \
806 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
807
808#define VMSTATE_UINT32_TEST(_f, _s, _t) \
809 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
810
87774a4a
DG		 811#define VMSTATE_UINT64_TEST(_f, _s, _t) \
812 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t)
813
213945e4
DG		 814
815#define VMSTATE_FLOAT64_V(_f, _s, _v) \
816 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64)
817
818#define VMSTATE_FLOAT64(_f, _s) \
819 VMSTATE_FLOAT64_V(_f, _s, 0)
820
e720677e 821#define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \
701a8f76
PB		 822 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
823
e720677e 824#define VMSTATE_TIMER_PTR_V(_f, _s, _v) \
0281518a
PB		 825 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
826
e720677e
PB		 827#define VMSTATE_TIMER_PTR(_f, _s) \
828 VMSTATE_TIMER_PTR_V(_f, _s, 0)
829
830#define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \
831 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
832
833#define VMSTATE_TIMER_TEST(_f, _s, _test) \
834 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer)
835
836#define VMSTATE_TIMER_V(_f, _s, _v) \
837 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer)
838
701a8f76 839#define VMSTATE_TIMER(_f, _s) \
0281518a 840 VMSTATE_TIMER_V(_f, _s, 0)
701a8f76
PB		 841
842#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
e720677e 843 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer)
701a8f76
PB		 844
845#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
846 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
847
848#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
849 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
850
851#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
852 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
853
bd7f92e5
PM		 854#define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \
855 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t)
856
701a8f76
PB		 857#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
858 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
859
bd7f92e5
PM		 860#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \
861 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0)
862
863#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \
864 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t)
865
701a8f76
PB		 866#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
867 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
868
869#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
870 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
871
2e323f03
FZ		 872#define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \
873 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t)
874
bd7f92e5
PM		 875#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \
876 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0)
877
701a8f76
PB		 878#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
879 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
880
a1b1d277
CD		 881#define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \
882 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t)
883
701a8f76
PB		 884#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
885 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
886
a1b1d277
CD		 887#define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \
888 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0)
889
701a8f76
PB		 890#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
891 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
892
893#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
894 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
895
04716bc8
PM		 896#define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \
897 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0)
898
899#define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \
900 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t)
901
701a8f76
PB		 902#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
903 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
904
905#define VMSTATE_INT16_ARRAY(_f, _s, _n) \
906 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
907
908#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
909 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
910
911#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
912 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
913
914#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
915 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
916
701a8f76
PB		 917#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
918 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
919
920#define VMSTATE_INT64_ARRAY(_f, _s, _n) \
921 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
922
213945e4
DG		 923#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \
924 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64)
925
926#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \
927 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0)
928
55174749
JQ		 929#define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \
930 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU)
931
932#define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \
933 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0)
934
701a8f76
PB		 935#define VMSTATE_BUFFER_V(_f, _s, _v) \
936 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
937
938#define VMSTATE_BUFFER(_f, _s) \
939 VMSTATE_BUFFER_V(_f, _s, 0)
940
941#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
942 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
943
cc966774
PB		 944#define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \
945 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f)))
946
701a8f76 947#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
cc966774 948 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0)
701a8f76
PB		 949
950#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
951 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
952
953#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
954 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
955
956#define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \
957 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
958
959#define VMSTATE_BUFFER_TEST(_f, _s, _test) \
960 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
961
962#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
963 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
964
965#define VMSTATE_UNUSED_V(_v, _size) \
966 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
967
968#define VMSTATE_UNUSED(_size) \
969 VMSTATE_UNUSED_V(0, _size)
970
971#define VMSTATE_UNUSED_TEST(_test, _size) \
972 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
973
974#define VMSTATE_END_OF_LIST() \
975 {}
976
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JW		 977#define SELF_ANNOUNCE_ROUNDS 5
978
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DDAG		 979void loadvm_free_handlers(MigrationIncomingState *mis);
980
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PB		 981int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
982 void *opaque, int version_id);
983void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
8118f095 984 void *opaque, QJSON *vmdesc);
d7650eab 985
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JQ		 986bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
987
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PB		 988int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
989 const VMStateDescription *vmsd,
990 void *base, int alias_id,
991 int required_for_version);
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AF		 992
993static inline int vmstate_register(DeviceState *dev, int instance_id,
994 const VMStateDescription *vmsd,
995 void *opaque)
996{
997 return vmstate_register_with_alias_id(dev, instance_id, vmsd,
998 opaque, -1, 0);
999}
1000
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PB		 1001void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
1002 void *opaque);
1003
1004struct MemoryRegion;
1005void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
1006void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
1007void vmstate_register_ram_global(struct MemoryRegion *memory);
1008
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JW		 1009static inline
1010int64_t self_announce_delay(int round)
1011{
1012 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0);
1013 /* delay 50ms, 150ms, 250ms, ... */
1014 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100;
1015}
1016
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AS		 1017void dump_vmstate_json_to_file(FILE *out_fp);
1018
701a8f76 1019#endif
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