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migration: Add VMSTATE_WITH_TMP
[qemu.git] / include / migration / vmstate.h
CommitLineData
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;
bcf45131 262extern const VMStateInfo vmstate_info_tmp;
08e99e29 263extern const VMStateInfo vmstate_info_bitmap;
94869d5c 264extern const VMStateInfo vmstate_info_qtailq;
701a8f76 265
bd7f92e5 266#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0)
701a8f76
PB		 267#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
268#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
269
270#define vmstate_offset_value(_state, _field, _type) \
271 (offsetof(_state, _field) + \
272 type_check(_type, typeof_field(_state, _field)))
273
274#define vmstate_offset_pointer(_state, _field, _type) \
275 (offsetof(_state, _field) + \
276 type_check_pointer(_type, typeof_field(_state, _field)))
277
278#define vmstate_offset_array(_state, _field, _type, _num) \
279 (offsetof(_state, _field) + \
280 type_check_array(_type, typeof_field(_state, _field), _num))
281
bd7f92e5
PM		 282#define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \
283 (offsetof(_state, _field) + \
284 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2))
285
701a8f76 286#define vmstate_offset_sub_array(_state, _field, _type, _start) \
ea987c2c 287 vmstate_offset_value(_state, _field[_start], _type)
701a8f76
PB		 288
289#define vmstate_offset_buffer(_state, _field) \
290 vmstate_offset_array(_state, _field, uint8_t, \
291 sizeof(typeof_field(_state, _field)))
292
293#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
294 .name = (stringify(_field)), \
295 .version_id = (_version), \
296 .field_exists = (_test), \
297 .size = sizeof(_type), \
298 .info = &(_info), \
299 .flags = VMS_SINGLE, \
300 .offset = vmstate_offset_value(_state, _field, _type), \
301}
302
4082f088
MT		 303/* Validate state using a boolean predicate. */
304#define VMSTATE_VALIDATE(_name, _test) { \
305 .name = (_name), \
306 .field_exists = (_test), \
307 .flags = VMS_ARRAY | VMS_MUST_EXIST, \
308 .num = 0, /* 0 elements: no data, only run _test */ \
309}
310
701a8f76
PB		 311#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
312 .name = (stringify(_field)), \
313 .version_id = (_version), \
314 .info = &(_info), \
315 .size = sizeof(_type), \
316 .flags = VMS_SINGLE|VMS_POINTER, \
317 .offset = vmstate_offset_value(_state, _field, _type), \
318}
319
320#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
321 .name = (stringify(_field)), \
322 .info = &(_info), \
323 .field_exists = (_test), \
324 .size = sizeof(_type), \
325 .flags = VMS_SINGLE|VMS_POINTER, \
326 .offset = vmstate_offset_value(_state, _field, _type), \
327}
328
329#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
330 .name = (stringify(_field)), \
331 .version_id = (_version), \
332 .num = (_num), \
333 .info = &(_info), \
334 .size = sizeof(_type), \
335 .flags = VMS_ARRAY, \
336 .offset = vmstate_offset_array(_state, _field, _type, _num), \
337}
338
bd7f92e5
PM		 339#define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \
340 .name = (stringify(_field)), \
341 .version_id = (_version), \
342 .num = (_n1) * (_n2), \
343 .info = &(_info), \
344 .size = sizeof(_type), \
345 .flags = VMS_ARRAY, \
346 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \
347}
348
b47d3af7
JQ		 349#define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \
350 .name = (stringify(_field)), \
351 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
352 .num = (_multiply), \
353 .info = &(_info), \
354 .size = sizeof(_type), \
355 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \
356 .offset = offsetof(_state, _field), \
357}
358
701a8f76
PB		 359#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
360 .name = (stringify(_field)), \
361 .field_exists = (_test), \
362 .num = (_num), \
363 .info = &(_info), \
364 .size = sizeof(_type), \
365 .flags = VMS_ARRAY, \
366 .offset = vmstate_offset_array(_state, _field, _type, _num),\
367}
368
369#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
370 .name = (stringify(_field)), \
371 .version_id = (_version), \
372 .num = (_num), \
373 .info = &(_info), \
374 .size = sizeof(_type), \
375 .flags = VMS_ARRAY, \
376 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
377}
378
379#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
380 .name = (stringify(_field)), \
381 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
382 .info = &(_info), \
383 .size = sizeof(_type), \
384 .flags = VMS_VARRAY_INT32, \
385 .offset = offsetof(_state, _field), \
386}
387
388#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
389 .name = (stringify(_field)), \
390 .version_id = (_version), \
391 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
392 .info = &(_info), \
393 .size = sizeof(_type), \
394 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
395 .offset = vmstate_offset_pointer(_state, _field, _type), \
396}
397
398#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
399 .name = (stringify(_field)), \
400 .version_id = (_version), \
401 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
402 .info = &(_info), \
403 .size = sizeof(_type), \
404 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
405 .offset = vmstate_offset_pointer(_state, _field, _type), \
406}
407
705124ea
AK		 408#define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
409 .name = (stringify(_field)), \
410 .version_id = (_version), \
411 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
412 .info = &(_info), \
413 .size = sizeof(_type), \
414 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \
415 .offset = vmstate_offset_pointer(_state, _field, _type), \
416}
417
701a8f76
PB		 418#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
419 .name = (stringify(_field)), \
420 .version_id = (_version), \
421 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
422 .info = &(_info), \
423 .size = sizeof(_type), \
424 .flags = VMS_VARRAY_UINT16, \
425 .offset = offsetof(_state, _field), \
426}
427
428#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
429 .name = (stringify(_field)), \
430 .version_id = (_version), \
431 .field_exists = (_test), \
432 .vmsd = &(_vmsd), \
433 .size = sizeof(_type), \
434 .flags = VMS_STRUCT, \
435 .offset = vmstate_offset_value(_state, _field, _type), \
436}
437
7102400d 438#define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \
701a8f76 439 .name = (stringify(_field)), \
7102400d
AK		 440 .version_id = (_version), \
441 .vmsd = &(_vmsd), \
20bcf73f 442 .size = sizeof(_type *), \
7102400d 443 .flags = VMS_STRUCT|VMS_POINTER, \
20bcf73f 444 .offset = vmstate_offset_pointer(_state, _field, _type), \
7102400d
AK		 445}
446
447#define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \
448 .name = (stringify(_field)), \
449 .version_id = (_version), \
701a8f76
PB		 450 .field_exists = (_test), \
451 .vmsd = &(_vmsd), \
20bcf73f 452 .size = sizeof(_type *), \
701a8f76 453 .flags = VMS_STRUCT|VMS_POINTER, \
20bcf73f 454 .offset = vmstate_offset_pointer(_state, _field, _type), \
701a8f76
PB		 455}
456
457#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
458 .name = (stringify(_field)), \
459 .version_id = (_version), \
460 .num = (_num), \
461 .info = &(_info), \
462 .size = sizeof(_type), \
463 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
464 .offset = vmstate_offset_array(_state, _field, _type, _num), \
465}
466
a1f05e79
PM		 467#define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \
468 .name = (stringify(_f)), \
469 .version_id = (_v), \
470 .num = (_n), \
471 .vmsd = &(_vmsd), \
472 .size = sizeof(_type *), \
473 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \
474 .offset = vmstate_offset_array(_s, _f, _type*, _n), \
475}
476
a03c3e90
PB		 477#define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \
478 .name = (stringify(_field)), \
479 .version_id = (_version), \
480 .num = (_num), \
481 .vmsd = &(_vmsd), \
482 .size = sizeof(_type), \
483 .flags = VMS_STRUCT|VMS_ARRAY, \
484 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
485}
486
701a8f76
PB		 487#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
488 .name = (stringify(_field)), \
489 .num = (_num), \
490 .field_exists = (_test), \
491 .version_id = (_version), \
492 .vmsd = &(_vmsd), \
493 .size = sizeof(_type), \
494 .flags = VMS_STRUCT|VMS_ARRAY, \
495 .offset = vmstate_offset_array(_state, _field, _type, _num),\
496}
497
3e996cc5 498#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
2cf01486 499 .name = (stringify(_field)), \
3e996cc5 500 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
2cf01486
DDAG		 501 .version_id = (_version), \
502 .vmsd = &(_vmsd), \
503 .size = sizeof(_type), \
3e996cc5 504 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
2cf01486
DDAG		 505 .offset = offsetof(_state, _field), \
506}
507
3e996cc5
DDAG		 508/* a variable length array (i.e. _type *_field) but we know the
509 * length
510 */
511#define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \
701a8f76 512 .name = (stringify(_field)), \
3e996cc5 513 .num = (_num), \
701a8f76
PB		 514 .version_id = (_version), \
515 .vmsd = &(_vmsd), \
516 .size = sizeof(_type), \
3e996cc5 517 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \
701a8f76
PB		 518 .offset = offsetof(_state, _field), \
519}
520
521#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
522 .name = (stringify(_field)), \
523 .version_id = 0, \
524 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
525 .size = sizeof(_type), \
526 .vmsd = &(_vmsd), \
527 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
528 .offset = vmstate_offset_pointer(_state, _field, _type), \
529}
530
8474a9dd
DG		 531#define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \
532 .name = (stringify(_field)), \
533 .version_id = 0, \
534 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
535 .size = sizeof(_type), \
536 .vmsd = &(_vmsd), \
537 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
538 .offset = vmstate_offset_pointer(_state, _field, _type), \
539}
540
701a8f76
PB		 541#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
542 .name = (stringify(_field)), \
543 .version_id = 0, \
544 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
545 .size = sizeof(_type), \
546 .vmsd = &(_vmsd), \
547 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
548 .offset = vmstate_offset_pointer(_state, _field, _type), \
549}
550
551#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
552 .name = (stringify(_field)), \
553 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
554 .version_id = (_version), \
555 .vmsd = &(_vmsd), \
556 .size = sizeof(_type), \
557 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
558 .offset = offsetof(_state, _field), \
559}
560
561#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
562 .name = (stringify(_field)), \
563 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
564 .version_id = (_version), \
565 .vmsd = &(_vmsd), \
566 .size = sizeof(_type), \
567 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
568 .offset = offsetof(_state, _field), \
569}
570
f32935ea
AK		 571#define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\
572 .name = (stringify(_field)), \
573 .version_id = (_version), \
574 .vmsd = &(_vmsd), \
575 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
576 .size = sizeof(_type), \
577 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \
578 .offset = vmstate_offset_pointer(_state, _field, _type), \
579}
580
701a8f76
PB		 581#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
582 .name = (stringify(_field)), \
583 .version_id = (_version), \
584 .field_exists = (_test), \
585 .size = (_size - _start), \
586 .info = &vmstate_info_buffer, \
587 .flags = VMS_BUFFER, \
588 .offset = vmstate_offset_buffer(_state, _field) + _start, \
589}
590
59046ec2
HP		 591#define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, \
592 _field_size, _multiply) { \
701a8f76
PB		 593 .name = (stringify(_field)), \
594 .version_id = (_version), \
595 .field_exists = (_test), \
596 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
597 .size = (_multiply), \
598 .info = &vmstate_info_buffer, \
377e2cb9 599 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
701a8f76 600 .offset = offsetof(_state, _field), \
701a8f76
PB		 601}
602
59046ec2 603#define VMSTATE_VBUFFER(_field, _state, _version, _test, _field_size) { \
701a8f76
PB		 604 .name = (stringify(_field)), \
605 .version_id = (_version), \
606 .field_exists = (_test), \
607 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
608 .info = &vmstate_info_buffer, \
609 .flags = VMS_VBUFFER|VMS_POINTER, \
610 .offset = offsetof(_state, _field), \
701a8f76
PB		 611}
612
59046ec2 613#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _field_size) { \
701a8f76
PB		 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), \
701a8f76
PB		 621}
622
59046ec2
HP		 623#define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, \
624 _test, _field_size) { \
94ed706d
AK		 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), \
94ed706d
AK		 632}
633
9df0b0e0 634#define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \
701a8f76
PB		 635 .name = (stringify(_field)), \
636 .version_id = (_version), \
9df0b0e0 637 .field_exists = (_test), \
701a8f76
PB		 638 .size = (_size), \
639 .info = &(_info), \
640 .flags = VMS_BUFFER, \
641 .offset = offsetof(_state, _field), \
642}
643
8070568b
IM		 644#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \
645 .name = (stringify(_field)), \
646 .version_id = (_version), \
647 .size = (_size), \
648 .info = &vmstate_info_buffer, \
649 .flags = VMS_BUFFER|VMS_POINTER, \
650 .offset = offsetof(_state, _field), \
651}
652
bcf45131
DDAG		 653/* Allocate a temporary of type 'tmp_type', set tmp->parent to _state
654 * and execute the vmsd on the temporary. Note that we're working with
655 * the whole of _state here, not a field within it.
656 * We compile time check that:
657 * That _tmp_type contains a 'parent' member that's a pointer to the
658 * '_state' type
659 * That the pointer is right at the start of _tmp_type.
660 */
661#define VMSTATE_WITH_TMP(_state, _tmp_type, _vmsd) { \
662 .name = "tmp", \
663 .size = sizeof(_tmp_type) + \
664 QEMU_BUILD_BUG_ON_ZERO(offsetof(_tmp_type, parent) != 0) + \
665 type_check_pointer(_state, \
666 typeof_field(_tmp_type, parent)), \
667 .vmsd = &(_vmsd), \
668 .info = &vmstate_info_tmp, \
669}
670
701a8f76
PB		 671#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
672 .name = "unused", \
673 .field_exists = (_test), \
674 .version_id = (_version), \
675 .size = (_size), \
676 .info = &vmstate_info_unused_buffer, \
677 .flags = VMS_BUFFER, \
678}
679
b5b5c569
DDAG		 680/* Discard size * field_num bytes, where field_num is a uint32 member */
681#define VMSTATE_UNUSED_VARRAY_UINT32(_state, _test, _version, _field_num, _size) {\
682 .name = "unused", \
683 .field_exists = (_test), \
684 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
685 .version_id = (_version), \
686 .size = (_size), \
687 .info = &vmstate_info_unused_buffer, \
688 .flags = VMS_VARRAY_UINT32 | VMS_BUFFER, \
689}
690
08e99e29
PM		 691/* _field_size should be a int32_t field in the _state struct giving the
692 * size of the bitmap _field in bits.
693 */
694#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
695 .name = (stringify(_field)), \
696 .version_id = (_version), \
697 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
698 .info = &vmstate_info_bitmap, \
699 .flags = VMS_VBUFFER|VMS_POINTER, \
700 .offset = offsetof(_state, _field), \
701}
702
94869d5c
JD		 703/* For migrating a QTAILQ.
704 * Target QTAILQ needs be properly initialized.
705 * _type: type of QTAILQ element
706 * _next: name of QTAILQ entry field in QTAILQ element
707 * _vmsd: VMSD for QTAILQ element
708 * size: size of QTAILQ element
709 * start: offset of QTAILQ entry in QTAILQ element
710 */
711#define VMSTATE_QTAILQ_V(_field, _state, _version, _vmsd, _type, _next) \
712{ \
713 .name = (stringify(_field)), \
714 .version_id = (_version), \
715 .vmsd = &(_vmsd), \
716 .size = sizeof(_type), \
717 .info = &vmstate_info_qtailq, \
718 .offset = offsetof(_state, _field), \
719 .start = offsetof(_type, _next), \
720}
721
701a8f76
PB		 722/* _f : field name
723 _f_n : num of elements field_name
724 _n : num of elements
725 _s : struct state name
726 _v : version
727*/
728
729#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
730 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
731
732#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
733 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
734
735#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
7102400d
AK		 736 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type)
737
738#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \
739 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type)
701a8f76
PB		 740
741#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
742 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
743 _vmsd, _type)
744
9df0b0e0
LE		 745#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \
746 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \
747 _size)
748
701a8f76
PB		 749#define VMSTATE_BOOL_V(_f, _s, _v) \
750 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
751
752#define VMSTATE_INT8_V(_f, _s, _v) \
753 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
754#define VMSTATE_INT16_V(_f, _s, _v) \
755 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
756#define VMSTATE_INT32_V(_f, _s, _v) \
757 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
758#define VMSTATE_INT64_V(_f, _s, _v) \
759 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
760
761#define VMSTATE_UINT8_V(_f, _s, _v) \
762 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
763#define VMSTATE_UINT16_V(_f, _s, _v) \
764 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
765#define VMSTATE_UINT32_V(_f, _s, _v) \
766 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
767#define VMSTATE_UINT64_V(_f, _s, _v) \
768 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
769
770#define VMSTATE_BOOL(_f, _s) \
771 VMSTATE_BOOL_V(_f, _s, 0)
772
773#define VMSTATE_INT8(_f, _s) \
774 VMSTATE_INT8_V(_f, _s, 0)
775#define VMSTATE_INT16(_f, _s) \
776 VMSTATE_INT16_V(_f, _s, 0)
777#define VMSTATE_INT32(_f, _s) \
778 VMSTATE_INT32_V(_f, _s, 0)
779#define VMSTATE_INT64(_f, _s) \
780 VMSTATE_INT64_V(_f, _s, 0)
781
782#define VMSTATE_UINT8(_f, _s) \
783 VMSTATE_UINT8_V(_f, _s, 0)
784#define VMSTATE_UINT16(_f, _s) \
785 VMSTATE_UINT16_V(_f, _s, 0)
786#define VMSTATE_UINT32(_f, _s) \
787 VMSTATE_UINT32_V(_f, _s, 0)
788#define VMSTATE_UINT64(_f, _s) \
789 VMSTATE_UINT64_V(_f, _s, 0)
790
791#define VMSTATE_UINT8_EQUAL(_f, _s) \
792 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
793
794#define VMSTATE_UINT16_EQUAL(_f, _s) \
795 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
796
797#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \
798 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
799
800#define VMSTATE_INT32_EQUAL(_f, _s) \
801 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
802
d58f5598
DG		 803#define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \
804 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t)
805
806#define VMSTATE_UINT32_EQUAL(_f, _s) \
807 VMSTATE_UINT32_EQUAL_V(_f, _s, 0)
701a8f76 808
e344b8a1
DG		 809#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \
810 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t)
811
812#define VMSTATE_UINT64_EQUAL(_f, _s) \
813 VMSTATE_UINT64_EQUAL_V(_f, _s, 0)
814
3476436a 815#define VMSTATE_INT32_POSITIVE_LE(_f, _s) \
701a8f76
PB		 816 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
817
87774a4a
DG		 818#define VMSTATE_INT8_TEST(_f, _s, _t) \
819 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t)
820
821#define VMSTATE_INT16_TEST(_f, _s, _t) \
822 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t)
823
824#define VMSTATE_INT32_TEST(_f, _s, _t) \
825 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t)
826
827#define VMSTATE_INT64_TEST(_f, _s, _t) \
828 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t)
829
701a8f76
PB		 830#define VMSTATE_UINT8_TEST(_f, _s, _t) \
831 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
832
833#define VMSTATE_UINT16_TEST(_f, _s, _t) \
834 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
835
836#define VMSTATE_UINT32_TEST(_f, _s, _t) \
837 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
838
87774a4a
DG		 839#define VMSTATE_UINT64_TEST(_f, _s, _t) \
840 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t)
841
213945e4
DG		 842
843#define VMSTATE_FLOAT64_V(_f, _s, _v) \
844 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64)
845
846#define VMSTATE_FLOAT64(_f, _s) \
847 VMSTATE_FLOAT64_V(_f, _s, 0)
848
e720677e 849#define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \
701a8f76
PB		 850 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
851
e720677e 852#define VMSTATE_TIMER_PTR_V(_f, _s, _v) \
0281518a
PB		 853 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
854
e720677e
PB		 855#define VMSTATE_TIMER_PTR(_f, _s) \
856 VMSTATE_TIMER_PTR_V(_f, _s, 0)
857
858#define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \
859 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
860
861#define VMSTATE_TIMER_TEST(_f, _s, _test) \
862 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer)
863
864#define VMSTATE_TIMER_V(_f, _s, _v) \
865 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer)
866
701a8f76 867#define VMSTATE_TIMER(_f, _s) \
0281518a 868 VMSTATE_TIMER_V(_f, _s, 0)
701a8f76
PB		 869
870#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
e720677e 871 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer)
701a8f76
PB		 872
873#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
874 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
875
876#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
877 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
878
879#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
880 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
881
bd7f92e5
PM		 882#define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \
883 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t)
884
701a8f76
PB		 885#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
886 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
887
bd7f92e5
PM		 888#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \
889 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0)
890
891#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \
892 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t)
893
701a8f76
PB		 894#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
895 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
896
897#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
898 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
899
2e323f03
FZ		 900#define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \
901 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t)
902
bd7f92e5
PM		 903#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \
904 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0)
905
701a8f76
PB		 906#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
907 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
908
a1b1d277
CD		 909#define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \
910 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t)
911
701a8f76
PB		 912#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
913 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
914
a1b1d277
CD		 915#define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \
916 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0)
917
701a8f76
PB		 918#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
919 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
920
921#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
922 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
923
04716bc8
PM		 924#define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \
925 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0)
926
927#define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \
928 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t)
929
701a8f76
PB		 930#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
931 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
932
933#define VMSTATE_INT16_ARRAY(_f, _s, _n) \
934 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
935
936#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
937 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
938
939#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
940 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
941
942#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
943 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
944
701a8f76
PB		 945#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
946 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
947
948#define VMSTATE_INT64_ARRAY(_f, _s, _n) \
949 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
950
213945e4
DG		 951#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \
952 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64)
953
954#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \
955 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0)
956
55174749
JQ		 957#define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \
958 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU)
959
960#define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \
961 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0)
962
701a8f76
PB		 963#define VMSTATE_BUFFER_V(_f, _s, _v) \
964 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
965
966#define VMSTATE_BUFFER(_f, _s) \
967 VMSTATE_BUFFER_V(_f, _s, 0)
968
969#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
970 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
971
cc966774
PB		 972#define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \
973 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f)))
974
701a8f76 975#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
cc966774 976 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0)
701a8f76
PB		 977
978#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
59046ec2 979 VMSTATE_VBUFFER(_f, _s, 0, NULL, _size)
701a8f76
PB		 980
981#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
59046ec2 982 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, _size)
701a8f76
PB		 983
984#define VMSTATE_BUFFER_TEST(_f, _s, _test) \
985 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
986
987#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
988 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
989
990#define VMSTATE_UNUSED_V(_v, _size) \
991 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
992
993#define VMSTATE_UNUSED(_size) \
994 VMSTATE_UNUSED_V(0, _size)
995
996#define VMSTATE_UNUSED_TEST(_test, _size) \
997 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
998
999#define VMSTATE_END_OF_LIST() \
1000 {}
1001
110f4630
JW		 1002#define SELF_ANNOUNCE_ROUNDS 5
1003
1a8f46f8
DDAG		 1004void loadvm_free_handlers(MigrationIncomingState *mis);
1005
701a8f76
PB		 1006int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
1007 void *opaque, int version_id);
1008void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
8118f095 1009 void *opaque, QJSON *vmdesc);
d7650eab 1010
df896152
JQ		 1011bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
1012
581f08ba 1013/* Returns: 0 on success, -1 on failure */
701a8f76
PB		 1014int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
1015 const VMStateDescription *vmsd,
1016 void *base, int alias_id,
bc5c4f21
DDAG		 1017 int required_for_version,
1018 Error **errp);
d7650eab 1019
581f08ba 1020/* Returns: 0 on success, -1 on failure */
d7650eab
AF		 1021static inline int vmstate_register(DeviceState *dev, int instance_id,
1022 const VMStateDescription *vmsd,
1023 void *opaque)
1024{
1025 return vmstate_register_with_alias_id(dev, instance_id, vmsd,
bc5c4f21 1026 opaque, -1, 0, NULL);
d7650eab
AF		 1027}
1028
701a8f76
PB		 1029void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
1030 void *opaque);
1031
1032struct MemoryRegion;
1033void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
1034void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
1035void vmstate_register_ram_global(struct MemoryRegion *memory);
1036
508e1180
JW		 1037static inline
1038int64_t self_announce_delay(int round)
1039{
1040 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0);
1041 /* delay 50ms, 150ms, 250ms, ... */
1042 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100;
1043}
1044
abfd9ce3
AS		 1045void dump_vmstate_json_to_file(FILE *out_fp);
1046
701a8f76 1047#endif
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