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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 <quintela@redhat.com>
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
fd7f0d66 30#include <migration/qemu-file.h>
ec3f8c99 31#endif
fd7f0d66 32
701a8f76 33typedef void SaveStateHandler(QEMUFile *f, void *opaque);
701a8f76
PB		 34typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
35
22ea40f4 36typedef struct SaveVMHandlers {
32c835ba 37 /* This runs inside the iothread lock. */
86253685 38 void (*set_params)(const MigrationParams *params, void * opaque);
22ea40f4 39 SaveStateHandler *save_state;
8c8de19d 40
8c8de19d 41 void (*cancel)(void *opaque);
16310a3c 42 int (*save_live_complete)(QEMUFile *f, void *opaque);
32c835ba
PB		 43
44 /* This runs both outside and inside the iothread lock. */
8c8de19d 45 bool (*is_active)(void *opaque);
32c835ba
PB		 46
47 /* This runs outside the iothread lock in the migration case, and
48 * within the lock in the savevm case. The callback had better only
49 * use data that is local to the migration thread or protected
50 * by other locks.
51 */
8c8de19d 52 int (*save_live_iterate)(QEMUFile *f, void *opaque);
32c835ba
PB		 53
54 /* This runs outside the iothread lock! */
9b095037 55 int (*save_live_setup)(QEMUFile *f, void *opaque);
e4ed1541 56 uint64_t (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size);
8c8de19d 57
22ea40f4
JQ		 58 LoadStateHandler *load_state;
59} SaveVMHandlers;
60
701a8f76
PB		 61int register_savevm(DeviceState *dev,
62 const char *idstr,
63 int instance_id,
64 int version_id,
65 SaveStateHandler *save_state,
66 LoadStateHandler *load_state,
67 void *opaque);
68
69int register_savevm_live(DeviceState *dev,
70 const char *idstr,
71 int instance_id,
72 int version_id,
7908c78d 73 SaveVMHandlers *ops,
701a8f76
PB		 74 void *opaque);
75
76void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
77void register_device_unmigratable(DeviceState *dev, const char *idstr,
78 void *opaque);
79
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 {
91 VMS_SINGLE = 0x001,
92 VMS_POINTER = 0x002,
93 VMS_ARRAY = 0x004,
94 VMS_STRUCT = 0x008,
95 VMS_VARRAY_INT32 = 0x010, /* Array with size in int32_t field*/
96 VMS_BUFFER = 0x020, /* static sized buffer */
97 VMS_ARRAY_OF_POINTER = 0x040,
98 VMS_VARRAY_UINT16 = 0x080, /* Array with size in uint16_t field */
99 VMS_VBUFFER = 0x100, /* Buffer with size in int32_t field */
100 VMS_MULTIPLY = 0x200, /* multiply "size" field by field_size */
101 VMS_VARRAY_UINT8 = 0x400, /* Array with size in uint8_t field*/
102 VMS_VARRAY_UINT32 = 0x800, /* Array with size in uint32_t field*/
103};
104
105typedef struct {
106 const char *name;
107 size_t offset;
108 size_t size;
109 size_t start;
110 int num;
111 size_t num_offset;
112 size_t size_offset;
113 const VMStateInfo *info;
114 enum VMStateFlags flags;
115 const VMStateDescription *vmsd;
116 int version_id;
117 bool (*field_exists)(void *opaque, int version_id);
118} VMStateField;
119
120typedef struct VMStateSubsection {
121 const VMStateDescription *vmsd;
122 bool (*needed)(void *opaque);
123} VMStateSubsection;
124
125struct VMStateDescription {
126 const char *name;
127 int unmigratable;
128 int version_id;
129 int minimum_version_id;
130 int minimum_version_id_old;
131 LoadStateHandler *load_state_old;
132 int (*pre_load)(void *opaque);
133 int (*post_load)(void *opaque, int version_id);
134 void (*pre_save)(void *opaque);
135 VMStateField *fields;
136 const VMStateSubsection *subsections;
137};
138
c71c3e99
AF		 139#ifdef CONFIG_USER_ONLY
140extern const VMStateDescription vmstate_dummy;
141#endif
142
701a8f76
PB		 143extern const VMStateInfo vmstate_info_bool;
144
145extern const VMStateInfo vmstate_info_int8;
146extern const VMStateInfo vmstate_info_int16;
147extern const VMStateInfo vmstate_info_int32;
148extern const VMStateInfo vmstate_info_int64;
149
150extern const VMStateInfo vmstate_info_uint8_equal;
151extern const VMStateInfo vmstate_info_uint16_equal;
152extern const VMStateInfo vmstate_info_int32_equal;
153extern const VMStateInfo vmstate_info_uint32_equal;
e344b8a1 154extern const VMStateInfo vmstate_info_uint64_equal;
701a8f76
PB		 155extern const VMStateInfo vmstate_info_int32_le;
156
157extern const VMStateInfo vmstate_info_uint8;
158extern const VMStateInfo vmstate_info_uint16;
159extern const VMStateInfo vmstate_info_uint32;
160extern const VMStateInfo vmstate_info_uint64;
161
213945e4
DG		 162extern const VMStateInfo vmstate_info_float64;
163
701a8f76
PB		 164extern const VMStateInfo vmstate_info_timer;
165extern const VMStateInfo vmstate_info_buffer;
166extern const VMStateInfo vmstate_info_unused_buffer;
08e99e29 167extern const VMStateInfo vmstate_info_bitmap;
701a8f76 168
bd7f92e5 169#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0)
701a8f76
PB		 170#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
171#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
172
173#define vmstate_offset_value(_state, _field, _type) \
174 (offsetof(_state, _field) + \
175 type_check(_type, typeof_field(_state, _field)))
176
177#define vmstate_offset_pointer(_state, _field, _type) \
178 (offsetof(_state, _field) + \
179 type_check_pointer(_type, typeof_field(_state, _field)))
180
181#define vmstate_offset_array(_state, _field, _type, _num) \
182 (offsetof(_state, _field) + \
183 type_check_array(_type, typeof_field(_state, _field), _num))
184
bd7f92e5
PM		 185#define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \
186 (offsetof(_state, _field) + \
187 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2))
188
701a8f76
PB		 189#define vmstate_offset_sub_array(_state, _field, _type, _start) \
190 (offsetof(_state, _field[_start]))
191
192#define vmstate_offset_buffer(_state, _field) \
193 vmstate_offset_array(_state, _field, uint8_t, \
194 sizeof(typeof_field(_state, _field)))
195
196#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
197 .name = (stringify(_field)), \
198 .version_id = (_version), \
199 .field_exists = (_test), \
200 .size = sizeof(_type), \
201 .info = &(_info), \
202 .flags = VMS_SINGLE, \
203 .offset = vmstate_offset_value(_state, _field, _type), \
204}
205
206#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
207 .name = (stringify(_field)), \
208 .version_id = (_version), \
209 .info = &(_info), \
210 .size = sizeof(_type), \
211 .flags = VMS_SINGLE|VMS_POINTER, \
212 .offset = vmstate_offset_value(_state, _field, _type), \
213}
214
215#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
216 .name = (stringify(_field)), \
217 .info = &(_info), \
218 .field_exists = (_test), \
219 .size = sizeof(_type), \
220 .flags = VMS_SINGLE|VMS_POINTER, \
221 .offset = vmstate_offset_value(_state, _field, _type), \
222}
223
224#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
225 .name = (stringify(_field)), \
226 .version_id = (_version), \
227 .num = (_num), \
228 .info = &(_info), \
229 .size = sizeof(_type), \
230 .flags = VMS_ARRAY, \
231 .offset = vmstate_offset_array(_state, _field, _type, _num), \
232}
233
bd7f92e5
PM		 234#define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \
235 .name = (stringify(_field)), \
236 .version_id = (_version), \
237 .num = (_n1) * (_n2), \
238 .info = &(_info), \
239 .size = sizeof(_type), \
240 .flags = VMS_ARRAY, \
241 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \
242}
243
701a8f76
PB		 244#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
245 .name = (stringify(_field)), \
246 .field_exists = (_test), \
247 .num = (_num), \
248 .info = &(_info), \
249 .size = sizeof(_type), \
250 .flags = VMS_ARRAY, \
251 .offset = vmstate_offset_array(_state, _field, _type, _num),\
252}
253
254#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
255 .name = (stringify(_field)), \
256 .version_id = (_version), \
257 .num = (_num), \
258 .info = &(_info), \
259 .size = sizeof(_type), \
260 .flags = VMS_ARRAY, \
261 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
262}
263
264#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
265 .name = (stringify(_field)), \
266 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
267 .info = &(_info), \
268 .size = sizeof(_type), \
269 .flags = VMS_VARRAY_INT32, \
270 .offset = offsetof(_state, _field), \
271}
272
273#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
274 .name = (stringify(_field)), \
275 .version_id = (_version), \
276 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
277 .info = &(_info), \
278 .size = sizeof(_type), \
279 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
280 .offset = vmstate_offset_pointer(_state, _field, _type), \
281}
282
283#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
284 .name = (stringify(_field)), \
285 .version_id = (_version), \
286 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
287 .info = &(_info), \
288 .size = sizeof(_type), \
289 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
290 .offset = vmstate_offset_pointer(_state, _field, _type), \
291}
292
293#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
294 .name = (stringify(_field)), \
295 .version_id = (_version), \
296 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
297 .info = &(_info), \
298 .size = sizeof(_type), \
299 .flags = VMS_VARRAY_UINT16, \
300 .offset = offsetof(_state, _field), \
301}
302
303#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
304 .name = (stringify(_field)), \
305 .version_id = (_version), \
306 .field_exists = (_test), \
307 .vmsd = &(_vmsd), \
308 .size = sizeof(_type), \
309 .flags = VMS_STRUCT, \
310 .offset = vmstate_offset_value(_state, _field, _type), \
311}
312
7102400d 313#define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \
701a8f76 314 .name = (stringify(_field)), \
7102400d
AK		 315 .version_id = (_version), \
316 .vmsd = &(_vmsd), \
317 .size = sizeof(_type), \
318 .flags = VMS_STRUCT|VMS_POINTER, \
319 .offset = vmstate_offset_value(_state, _field, _type), \
320}
321
322#define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \
323 .name = (stringify(_field)), \
324 .version_id = (_version), \
701a8f76
PB		 325 .field_exists = (_test), \
326 .vmsd = &(_vmsd), \
327 .size = sizeof(_type), \
328 .flags = VMS_STRUCT|VMS_POINTER, \
329 .offset = vmstate_offset_value(_state, _field, _type), \
330}
331
332#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
333 .name = (stringify(_field)), \
334 .version_id = (_version), \
335 .num = (_num), \
336 .info = &(_info), \
337 .size = sizeof(_type), \
338 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
339 .offset = vmstate_offset_array(_state, _field, _type, _num), \
340}
341
342#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
343 .name = (stringify(_field)), \
344 .num = (_num), \
345 .field_exists = (_test), \
346 .version_id = (_version), \
347 .vmsd = &(_vmsd), \
348 .size = sizeof(_type), \
349 .flags = VMS_STRUCT|VMS_ARRAY, \
350 .offset = vmstate_offset_array(_state, _field, _type, _num),\
351}
352
353#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
354 .name = (stringify(_field)), \
355 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
356 .version_id = (_version), \
357 .vmsd = &(_vmsd), \
358 .size = sizeof(_type), \
359 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
360 .offset = offsetof(_state, _field), \
361}
362
363#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
364 .name = (stringify(_field)), \
365 .version_id = 0, \
366 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
367 .size = sizeof(_type), \
368 .vmsd = &(_vmsd), \
369 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
370 .offset = vmstate_offset_pointer(_state, _field, _type), \
371}
372
8474a9dd
DG		 373#define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \
374 .name = (stringify(_field)), \
375 .version_id = 0, \
376 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
377 .size = sizeof(_type), \
378 .vmsd = &(_vmsd), \
379 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
380 .offset = vmstate_offset_pointer(_state, _field, _type), \
381}
382
701a8f76
PB		 383#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
384 .name = (stringify(_field)), \
385 .version_id = 0, \
386 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
387 .size = sizeof(_type), \
388 .vmsd = &(_vmsd), \
389 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
390 .offset = vmstate_offset_pointer(_state, _field, _type), \
391}
392
393#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
394 .name = (stringify(_field)), \
395 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
396 .version_id = (_version), \
397 .vmsd = &(_vmsd), \
398 .size = sizeof(_type), \
399 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
400 .offset = offsetof(_state, _field), \
401}
402
403#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
404 .name = (stringify(_field)), \
405 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
406 .version_id = (_version), \
407 .vmsd = &(_vmsd), \
408 .size = sizeof(_type), \
409 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
410 .offset = offsetof(_state, _field), \
411}
412
413#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
414 .name = (stringify(_field)), \
415 .version_id = (_version), \
416 .field_exists = (_test), \
417 .size = (_size - _start), \
418 .info = &vmstate_info_buffer, \
419 .flags = VMS_BUFFER, \
420 .offset = vmstate_offset_buffer(_state, _field) + _start, \
421}
422
377e2cb9 423#define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
701a8f76
PB		 424 .name = (stringify(_field)), \
425 .version_id = (_version), \
426 .field_exists = (_test), \
427 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
428 .size = (_multiply), \
429 .info = &vmstate_info_buffer, \
377e2cb9 430 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
701a8f76
PB		 431 .offset = offsetof(_state, _field), \
432 .start = (_start), \
433}
434
435#define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
436 .name = (stringify(_field)), \
437 .version_id = (_version), \
438 .field_exists = (_test), \
439 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
440 .info = &vmstate_info_buffer, \
441 .flags = VMS_VBUFFER|VMS_POINTER, \
442 .offset = offsetof(_state, _field), \
443 .start = (_start), \
444}
445
446#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
447 .name = (stringify(_field)), \
448 .version_id = (_version), \
449 .field_exists = (_test), \
450 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
451 .info = &vmstate_info_buffer, \
452 .flags = VMS_VBUFFER|VMS_POINTER, \
453 .offset = offsetof(_state, _field), \
454 .start = (_start), \
455}
456
457#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
458 .name = (stringify(_field)), \
459 .version_id = (_version), \
460 .size = (_size), \
461 .info = &(_info), \
462 .flags = VMS_BUFFER, \
463 .offset = offsetof(_state, _field), \
464}
465
8070568b
IM		 466#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \
467 .name = (stringify(_field)), \
468 .version_id = (_version), \
469 .size = (_size), \
470 .info = &vmstate_info_buffer, \
471 .flags = VMS_BUFFER|VMS_POINTER, \
472 .offset = offsetof(_state, _field), \
473}
474
701a8f76
PB		 475#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
476 .name = "unused", \
477 .field_exists = (_test), \
478 .version_id = (_version), \
479 .size = (_size), \
480 .info = &vmstate_info_unused_buffer, \
481 .flags = VMS_BUFFER, \
482}
483
08e99e29
PM		 484/* _field_size should be a int32_t field in the _state struct giving the
485 * size of the bitmap _field in bits.
486 */
487#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
488 .name = (stringify(_field)), \
489 .version_id = (_version), \
490 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
491 .info = &vmstate_info_bitmap, \
492 .flags = VMS_VBUFFER|VMS_POINTER, \
493 .offset = offsetof(_state, _field), \
494}
495
701a8f76
PB		 496/* _f : field name
497 _f_n : num of elements field_name
498 _n : num of elements
499 _s : struct state name
500 _v : version
501*/
502
503#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
504 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
505
506#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
507 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
508
509#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
7102400d
AK		 510 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type)
511
512#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \
513 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type)
701a8f76
PB		 514
515#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
516 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
517 _vmsd, _type)
518
519#define VMSTATE_BOOL_V(_f, _s, _v) \
520 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
521
522#define VMSTATE_INT8_V(_f, _s, _v) \
523 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
524#define VMSTATE_INT16_V(_f, _s, _v) \
525 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
526#define VMSTATE_INT32_V(_f, _s, _v) \
527 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
528#define VMSTATE_INT64_V(_f, _s, _v) \
529 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
530
531#define VMSTATE_UINT8_V(_f, _s, _v) \
532 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
533#define VMSTATE_UINT16_V(_f, _s, _v) \
534 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
535#define VMSTATE_UINT32_V(_f, _s, _v) \
536 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
537#define VMSTATE_UINT64_V(_f, _s, _v) \
538 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
539
540#define VMSTATE_BOOL(_f, _s) \
541 VMSTATE_BOOL_V(_f, _s, 0)
542
543#define VMSTATE_INT8(_f, _s) \
544 VMSTATE_INT8_V(_f, _s, 0)
545#define VMSTATE_INT16(_f, _s) \
546 VMSTATE_INT16_V(_f, _s, 0)
547#define VMSTATE_INT32(_f, _s) \
548 VMSTATE_INT32_V(_f, _s, 0)
549#define VMSTATE_INT64(_f, _s) \
550 VMSTATE_INT64_V(_f, _s, 0)
551
552#define VMSTATE_UINT8(_f, _s) \
553 VMSTATE_UINT8_V(_f, _s, 0)
554#define VMSTATE_UINT16(_f, _s) \
555 VMSTATE_UINT16_V(_f, _s, 0)
556#define VMSTATE_UINT32(_f, _s) \
557 VMSTATE_UINT32_V(_f, _s, 0)
558#define VMSTATE_UINT64(_f, _s) \
559 VMSTATE_UINT64_V(_f, _s, 0)
560
561#define VMSTATE_UINT8_EQUAL(_f, _s) \
562 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
563
564#define VMSTATE_UINT16_EQUAL(_f, _s) \
565 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
566
567#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \
568 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
569
570#define VMSTATE_INT32_EQUAL(_f, _s) \
571 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
572
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DG		 573#define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \
574 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t)
575
576#define VMSTATE_UINT32_EQUAL(_f, _s) \
577 VMSTATE_UINT32_EQUAL_V(_f, _s, 0)
701a8f76 578
e344b8a1
DG		 579#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \
580 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t)
581
582#define VMSTATE_UINT64_EQUAL(_f, _s) \
583 VMSTATE_UINT64_EQUAL_V(_f, _s, 0)
584
701a8f76
PB		 585#define VMSTATE_INT32_LE(_f, _s) \
586 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
587
588#define VMSTATE_UINT8_TEST(_f, _s, _t) \
589 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
590
591#define VMSTATE_UINT16_TEST(_f, _s, _t) \
592 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
593
594#define VMSTATE_UINT32_TEST(_f, _s, _t) \
595 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
596
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DG		 597
598#define VMSTATE_FLOAT64_V(_f, _s, _v) \
599 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64)
600
601#define VMSTATE_FLOAT64(_f, _s) \
602 VMSTATE_FLOAT64_V(_f, _s, 0)
603
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PB		 604#define VMSTATE_TIMER_TEST(_f, _s, _test) \
605 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
606
0281518a
PB		 607#define VMSTATE_TIMER_V(_f, _s, _v) \
608 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
609
701a8f76 610#define VMSTATE_TIMER(_f, _s) \
0281518a 611 VMSTATE_TIMER_V(_f, _s, 0)
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PB		 612
613#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
614 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
615
616#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
617 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
618
619#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
620 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
621
622#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
623 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
624
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PM		 625#define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \
626 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t)
627
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PB		 628#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
629 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
630
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PM		 631#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \
632 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0)
633
634#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \
635 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t)
636
701a8f76
PB		 637#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
638 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
639
640#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
641 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
642
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PM		 643#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \
644 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0)
645
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PB		 646#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
647 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
648
649#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
650 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
651
652#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
653 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
654
655#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
656 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
657
658#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
659 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
660
661#define VMSTATE_INT16_ARRAY(_f, _s, _n) \
662 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
663
664#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
665 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
666
667#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
668 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
669
670#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
671 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
672
673#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
674 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
675
676#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
677 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
678
679#define VMSTATE_INT64_ARRAY(_f, _s, _n) \
680 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
681
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DG		 682#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \
683 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64)
684
685#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \
686 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0)
687
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PB		 688#define VMSTATE_BUFFER_V(_f, _s, _v) \
689 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
690
691#define VMSTATE_BUFFER(_f, _s) \
692 VMSTATE_BUFFER_V(_f, _s, 0)
693
694#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
695 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
696
697#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
698 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
699
700#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
701 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
702
703#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
704 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
705
706#define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \
707 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
708
709#define VMSTATE_BUFFER_TEST(_f, _s, _test) \
710 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
711
712#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
713 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
714
715#define VMSTATE_UNUSED_V(_v, _size) \
716 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
717
718#define VMSTATE_UNUSED(_size) \
719 VMSTATE_UNUSED_V(0, _size)
720
721#define VMSTATE_UNUSED_TEST(_test, _size) \
722 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
723
724#define VMSTATE_END_OF_LIST() \
725 {}
726
727int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
728 void *opaque, int version_id);
729void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
730 void *opaque);
d7650eab 731
701a8f76
PB		 732int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
733 const VMStateDescription *vmsd,
734 void *base, int alias_id,
735 int required_for_version);
d7650eab
AF		 736
737static inline int vmstate_register(DeviceState *dev, int instance_id,
738 const VMStateDescription *vmsd,
739 void *opaque)
740{
741 return vmstate_register_with_alias_id(dev, instance_id, vmsd,
742 opaque, -1, 0);
743}
744
701a8f76
PB		 745void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
746 void *opaque);
747
748struct MemoryRegion;
749void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
750void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
751void vmstate_register_ram_global(struct MemoryRegion *memory);
752
753#endif
Qemu copy for testing