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target/i386/cpu: Constify X86CPUDefinition
[qemu/ar7.git] / include / migration / vmstate.h
blob8df7b69f3890e754967fdce2e32a4bb816dc53f1
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
27 #ifndef QEMU_VMSTATE_H
28 #define QEMU_VMSTATE_H
29
30 #include "hw/vmstate-if.h"
31
32 typedef struct VMStateInfo VMStateInfo;
33 typedef struct VMStateField VMStateField;
34
35 /* VMStateInfo allows customized migration of objects that don't fit in
36 * any category in VMStateFlags. Additional information is always passed
37 * into get and put in terms of field and vmdesc parameters. However
38 * these two parameters should only be used in cases when customized
39 * handling is needed, such as QTAILQ. For primitive data types such as
40 * integer, field and vmdesc parameters should be ignored inside get/put.
41 */
42 struct VMStateInfo {
43 const char *name;
44 int (*get)(QEMUFile *f, void *pv, size_t size, const VMStateField *field);
45 int (*put)(QEMUFile *f, void *pv, size_t size, const VMStateField *field,
46 JSONWriter *vmdesc);
47 };
48
49 enum VMStateFlags {
50 /* Ignored */
51 VMS_SINGLE = 0x001,
52
53 /* The struct member at opaque + VMStateField.offset is a pointer
54 * to the actual field (e.g. struct a { uint8_t *b;
55 * }). Dereference the pointer before using it as basis for
56 * further pointer arithmetic (see e.g. VMS_ARRAY). Does not
57 * affect the meaning of VMStateField.num_offset or
58 * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for
59 * those. */
60 VMS_POINTER = 0x002,
61
62 /* The field is an array of fixed size. VMStateField.num contains
63 * the number of entries in the array. The size of each entry is
64 * given by VMStateField.size and / or opaque +
65 * VMStateField.size_offset; see VMS_VBUFFER and
66 * VMS_MULTIPLY. Each array entry will be processed individually
67 * (VMStateField.info.get()/put() if VMS_STRUCT is not set,
68 * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not
69 * be combined with VMS_VARRAY*. */
70 VMS_ARRAY = 0x004,
71
72 /* The field is itself a struct, containing one or more
73 * fields. Recurse into VMStateField.vmsd. Most useful in
74 * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each
75 * array entry. */
76 VMS_STRUCT = 0x008,
77
78 /* The field is an array of variable size. The int32_t at opaque +
79 * VMStateField.num_offset contains the number of entries in the
80 * array. See the VMS_ARRAY description regarding array handling
81 * in general. May not be combined with VMS_ARRAY or any other
82 * VMS_VARRAY*. */
83 VMS_VARRAY_INT32 = 0x010,
84
85 /* Ignored */
86 VMS_BUFFER = 0x020,
87
88 /* The field is a (fixed-size or variable-size) array of pointers
89 * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry
90 * before using it. Note: Does not imply any one of VMS_ARRAY /
91 * VMS_VARRAY*; these need to be set explicitly. */
92 VMS_ARRAY_OF_POINTER = 0x040,
93
94 /* The field is an array of variable size. The uint16_t at opaque
95 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
96 * contains the number of entries in the array. See the VMS_ARRAY
97 * description regarding array handling in general. May not be
98 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
99 VMS_VARRAY_UINT16 = 0x080,
100
101 /* The size of the individual entries (a single array entry if
102 * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if
103 * neither is set) is variable (i.e. not known at compile-time),
104 * but the same for all entries. Use the int32_t at opaque +
105 * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine
106 * the size of each (and every) entry. */
107 VMS_VBUFFER = 0x100,
108
109 /* Multiply the entry size given by the int32_t at opaque +
110 * VMStateField.size_offset (see VMS_VBUFFER description) with
111 * VMStateField.size to determine the number of bytes to be
112 * allocated. Only valid in combination with VMS_VBUFFER. */
113 VMS_MULTIPLY = 0x200,
114
115 /* The field is an array of variable size. The uint8_t at opaque +
116 * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
117 * contains the number of entries in the array. See the VMS_ARRAY
118 * description regarding array handling in general. May not be
119 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
120 VMS_VARRAY_UINT8 = 0x400,
121
122 /* The field is an array of variable size. The uint32_t at opaque
123 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS)
124 * contains the number of entries in the array. See the VMS_ARRAY
125 * description regarding array handling in general. May not be
126 * combined with VMS_ARRAY or any other VMS_VARRAY*. */
127 VMS_VARRAY_UINT32 = 0x800,
128
129 /* Fail loading the serialised VM state if this field is missing
130 * from the input. */
131 VMS_MUST_EXIST = 0x1000,
132
133 /* When loading serialised VM state, allocate memory for the
134 * (entire) field. Only valid in combination with
135 * VMS_POINTER. Note: Not all combinations with other flags are
136 * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't
137 * cause the individual entries to be allocated. */
138 VMS_ALLOC = 0x2000,
139
140 /* Multiply the number of entries given by the integer at opaque +
141 * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num
142 * to determine the number of entries in the array. Only valid in
143 * combination with one of VMS_VARRAY*. */
144 VMS_MULTIPLY_ELEMENTS = 0x4000,
145
146 /* A structure field that is like VMS_STRUCT, but uses
147 * VMStateField.struct_version_id to tell which version of the
148 * structure we are referencing to use. */
149 VMS_VSTRUCT = 0x8000,
150 };
151
152 typedef enum {
153 MIG_PRI_DEFAULT = 0,
154 MIG_PRI_IOMMU, /* Must happen before PCI devices */
155 MIG_PRI_PCI_BUS, /* Must happen before IOMMU */
156 MIG_PRI_GICV3_ITS, /* Must happen before PCI devices */
157 MIG_PRI_GICV3, /* Must happen before the ITS */
158 MIG_PRI_MAX,
159 } MigrationPriority;
160
161 struct VMStateField {
162 const char *name;
163 const char *err_hint;
164 size_t offset;
165 size_t size;
166 size_t start;
167 int num;
168 size_t num_offset;
169 size_t size_offset;
170 const VMStateInfo *info;
171 enum VMStateFlags flags;
172 const VMStateDescription *vmsd;
173 int version_id;
174 int struct_version_id;
175 bool (*field_exists)(void *opaque, int version_id);
176 };
177
178 struct VMStateDescription {
179 const char *name;
180 int unmigratable;
181 int version_id;
182 int minimum_version_id;
183 int minimum_version_id_old;
184 MigrationPriority priority;
185 LoadStateHandler *load_state_old;
186 int (*pre_load)(void *opaque);
187 int (*post_load)(void *opaque, int version_id);
188 int (*pre_save)(void *opaque);
189 int (*post_save)(void *opaque);
190 bool (*needed)(void *opaque);
191 bool (*dev_unplug_pending)(void *opaque);
192
193 const VMStateField *fields;
194 const VMStateDescription **subsections;
195 };
196
197 extern const VMStateInfo vmstate_info_bool;
198
199 extern const VMStateInfo vmstate_info_int8;
200 extern const VMStateInfo vmstate_info_int16;
201 extern const VMStateInfo vmstate_info_int32;
202 extern const VMStateInfo vmstate_info_int64;
203
204 extern const VMStateInfo vmstate_info_uint8_equal;
205 extern const VMStateInfo vmstate_info_uint16_equal;
206 extern const VMStateInfo vmstate_info_int32_equal;
207 extern const VMStateInfo vmstate_info_uint32_equal;
208 extern const VMStateInfo vmstate_info_uint64_equal;
209 extern const VMStateInfo vmstate_info_int32_le;
210
211 extern const VMStateInfo vmstate_info_uint8;
212 extern const VMStateInfo vmstate_info_uint16;
213 extern const VMStateInfo vmstate_info_uint32;
214 extern const VMStateInfo vmstate_info_uint64;
215
216 /** Put this in the stream when migrating a null pointer.*/
217 #define VMS_NULLPTR_MARKER (0x30U) /* '0' */
218 extern const VMStateInfo vmstate_info_nullptr;
219
220 extern const VMStateInfo vmstate_info_cpudouble;
221
222 extern const VMStateInfo vmstate_info_timer;
223 extern const VMStateInfo vmstate_info_buffer;
224 extern const VMStateInfo vmstate_info_unused_buffer;
225 extern const VMStateInfo vmstate_info_tmp;
226 extern const VMStateInfo vmstate_info_bitmap;
227 extern const VMStateInfo vmstate_info_qtailq;
228 extern const VMStateInfo vmstate_info_gtree;
229 extern const VMStateInfo vmstate_info_qlist;
230
231 #define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0)
232 /*
233 * Check that type t2 is an array of type t1 of size n,
234 * e.g. if t1 is 'foo' and n is 32 then t2 must be 'foo[32]'
235 */
236 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
237 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
238 /*
239 * type of element 0 of the specified (array) field of the type.
240 * Note that if the field is a pointer then this will return the
241 * pointed-to type rather than complaining.
242 */
243 #define typeof_elt_of_field(type, field) typeof(((type *)0)->field[0])
244 /* Check that field f in struct type t2 is an array of t1, of any size */
245 #define type_check_varray(t1, t2, f) \
246 (type_check(t1, typeof_elt_of_field(t2, f)) \
247 + QEMU_BUILD_BUG_ON_ZERO(!QEMU_IS_ARRAY(((t2 *)0)->f)))
248
249 #define vmstate_offset_value(_state, _field, _type) \
250 (offsetof(_state, _field) + \
251 type_check(_type, typeof_field(_state, _field)))
252
253 #define vmstate_offset_pointer(_state, _field, _type) \
254 (offsetof(_state, _field) + \
255 type_check_pointer(_type, typeof_field(_state, _field)))
256
257 #define vmstate_offset_array(_state, _field, _type, _num) \
258 (offsetof(_state, _field) + \
259 type_check_array(_type, typeof_field(_state, _field), _num))
260
261 #define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \
262 (offsetof(_state, _field) + \
263 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2))
264
265 #define vmstate_offset_sub_array(_state, _field, _type, _start) \
266 vmstate_offset_value(_state, _field[_start], _type)
267
268 #define vmstate_offset_buffer(_state, _field) \
269 vmstate_offset_array(_state, _field, uint8_t, \
270 sizeof(typeof_field(_state, _field)))
271
272 #define vmstate_offset_varray(_state, _field, _type) \
273 (offsetof(_state, _field) + \
274 type_check_varray(_type, _state, _field))
275
276 /* In the macros below, if there is a _version, that means the macro's
277 * field will be processed only if the version being received is >=
278 * the _version specified. In general, if you add a new field, you
279 * would increment the structure's version and put that version
280 * number into the new field so it would only be processed with the
281 * new version.
282 *
283 * In particular, for VMSTATE_STRUCT() and friends the _version does
284 * *NOT* pick the version of the sub-structure. It works just as
285 * specified above. The version of the top-level structure received
286 * is passed down to all sub-structures. This means that the
287 * sub-structures must have version that are compatible with all the
288 * structures that use them.
289 *
290 * If you want to specify the version of the sub-structure, use
291 * VMSTATE_VSTRUCT(), which allows the specific sub-structure version
292 * to be directly specified.
293 */
294
295 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
296 .name = (stringify(_field)), \
297 .version_id = (_version), \
298 .field_exists = (_test), \
299 .size = sizeof(_type), \
300 .info = &(_info), \
301 .flags = VMS_SINGLE, \
302 .offset = vmstate_offset_value(_state, _field, _type), \
303 }
304
305 #define VMSTATE_SINGLE_FULL(_field, _state, _test, _version, _info, \
306 _type, _err_hint) { \
307 .name = (stringify(_field)), \
308 .err_hint = (_err_hint), \
309 .version_id = (_version), \
310 .field_exists = (_test), \
311 .size = sizeof(_type), \
312 .info = &(_info), \
313 .flags = VMS_SINGLE, \
314 .offset = vmstate_offset_value(_state, _field, _type), \
315 }
316
317 /* Validate state using a boolean predicate. */
318 #define VMSTATE_VALIDATE(_name, _test) { \
319 .name = (_name), \
320 .field_exists = (_test), \
321 .flags = VMS_ARRAY | VMS_MUST_EXIST, \
322 .num = 0, /* 0 elements: no data, only run _test */ \
323 }
324
325 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
326 .name = (stringify(_field)), \
327 .version_id = (_version), \
328 .info = &(_info), \
329 .size = sizeof(_type), \
330 .flags = VMS_SINGLE|VMS_POINTER, \
331 .offset = vmstate_offset_value(_state, _field, _type), \
332 }
333
334 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
335 .name = (stringify(_field)), \
336 .info = &(_info), \
337 .field_exists = (_test), \
338 .size = sizeof(_type), \
339 .flags = VMS_SINGLE|VMS_POINTER, \
340 .offset = vmstate_offset_value(_state, _field, _type), \
341 }
342
343 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
344 .name = (stringify(_field)), \
345 .version_id = (_version), \
346 .num = (_num), \
347 .info = &(_info), \
348 .size = sizeof(_type), \
349 .flags = VMS_ARRAY, \
350 .offset = vmstate_offset_array(_state, _field, _type, _num), \
351 }
352
353 #define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \
354 .name = (stringify(_field)), \
355 .version_id = (_version), \
356 .num = (_n1) * (_n2), \
357 .info = &(_info), \
358 .size = sizeof(_type), \
359 .flags = VMS_ARRAY, \
360 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \
361 }
362
363 #define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \
364 .name = (stringify(_field)), \
365 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
366 .num = (_multiply), \
367 .info = &(_info), \
368 .size = sizeof(_type), \
369 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \
370 .offset = vmstate_offset_varray(_state, _field, _type), \
371 }
372
373 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
374 .name = (stringify(_field)), \
375 .field_exists = (_test), \
376 .num = (_num), \
377 .info = &(_info), \
378 .size = sizeof(_type), \
379 .flags = VMS_ARRAY, \
380 .offset = vmstate_offset_array(_state, _field, _type, _num),\
381 }
382
383 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
384 .name = (stringify(_field)), \
385 .version_id = (_version), \
386 .num = (_num), \
387 .info = &(_info), \
388 .size = sizeof(_type), \
389 .flags = VMS_ARRAY, \
390 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
391 }
392
393 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
394 .name = (stringify(_field)), \
395 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
396 .info = &(_info), \
397 .size = sizeof(_type), \
398 .flags = VMS_VARRAY_INT32, \
399 .offset = vmstate_offset_varray(_state, _field, _type), \
400 }
401
402 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
403 .name = (stringify(_field)), \
404 .version_id = (_version), \
405 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
406 .info = &(_info), \
407 .size = sizeof(_type), \
408 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
409 .offset = vmstate_offset_pointer(_state, _field, _type), \
410 }
411
412 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
413 .name = (stringify(_field)), \
414 .version_id = (_version), \
415 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
416 .info = &(_info), \
417 .size = sizeof(_type), \
418 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
419 .offset = vmstate_offset_pointer(_state, _field, _type), \
420 }
421
422 #define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
423 .name = (stringify(_field)), \
424 .version_id = (_version), \
425 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
426 .info = &(_info), \
427 .size = sizeof(_type), \
428 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \
429 .offset = vmstate_offset_pointer(_state, _field, _type), \
430 }
431
432 #define VMSTATE_VARRAY_UINT16_ALLOC(_field, _state, _field_num, _version, _info, _type) {\
433 .name = (stringify(_field)), \
434 .version_id = (_version), \
435 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
436 .info = &(_info), \
437 .size = sizeof(_type), \
438 .flags = VMS_VARRAY_UINT16 | VMS_POINTER | VMS_ALLOC, \
439 .offset = vmstate_offset_pointer(_state, _field, _type), \
440 }
441
442 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
443 .name = (stringify(_field)), \
444 .version_id = (_version), \
445 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
446 .info = &(_info), \
447 .size = sizeof(_type), \
448 .flags = VMS_VARRAY_UINT16, \
449 .offset = vmstate_offset_varray(_state, _field, _type), \
450 }
451
452 #define VMSTATE_VSTRUCT_TEST(_field, _state, _test, _version, _vmsd, _type, _struct_version) { \
453 .name = (stringify(_field)), \
454 .version_id = (_version), \
455 .struct_version_id = (_struct_version), \
456 .field_exists = (_test), \
457 .vmsd = &(_vmsd), \
458 .size = sizeof(_type), \
459 .flags = VMS_VSTRUCT, \
460 .offset = vmstate_offset_value(_state, _field, _type), \
461 }
462
463 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
464 .name = (stringify(_field)), \
465 .version_id = (_version), \
466 .field_exists = (_test), \
467 .vmsd = &(_vmsd), \
468 .size = sizeof(_type), \
469 .flags = VMS_STRUCT, \
470 .offset = vmstate_offset_value(_state, _field, _type), \
471 }
472
473 #define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \
474 .name = (stringify(_field)), \
475 .version_id = (_version), \
476 .vmsd = &(_vmsd), \
477 .size = sizeof(_type *), \
478 .flags = VMS_STRUCT|VMS_POINTER, \
479 .offset = vmstate_offset_pointer(_state, _field, _type), \
480 }
481
482 #define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \
483 .name = (stringify(_field)), \
484 .version_id = (_version), \
485 .field_exists = (_test), \
486 .vmsd = &(_vmsd), \
487 .size = sizeof(_type *), \
488 .flags = VMS_STRUCT|VMS_POINTER, \
489 .offset = vmstate_offset_pointer(_state, _field, _type), \
490 }
491
492 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
493 .name = (stringify(_field)), \
494 .version_id = (_version), \
495 .num = (_num), \
496 .info = &(_info), \
497 .size = sizeof(_type), \
498 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
499 .offset = vmstate_offset_array(_state, _field, _type, _num), \
500 }
501
502 #define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \
503 .name = (stringify(_f)), \
504 .version_id = (_v), \
505 .num = (_n), \
506 .vmsd = &(_vmsd), \
507 .size = sizeof(_type *), \
508 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \
509 .offset = vmstate_offset_array(_s, _f, _type*, _n), \
510 }
511
512 #define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \
513 .name = (stringify(_field)), \
514 .version_id = (_version), \
515 .num = (_num), \
516 .vmsd = &(_vmsd), \
517 .size = sizeof(_type), \
518 .flags = VMS_STRUCT|VMS_ARRAY, \
519 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
520 }
521
522 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
523 .name = (stringify(_field)), \
524 .num = (_num), \
525 .field_exists = (_test), \
526 .version_id = (_version), \
527 .vmsd = &(_vmsd), \
528 .size = sizeof(_type), \
529 .flags = VMS_STRUCT|VMS_ARRAY, \
530 .offset = vmstate_offset_array(_state, _field, _type, _num),\
531 }
532
533 #define VMSTATE_STRUCT_2DARRAY_TEST(_field, _state, _n1, _n2, _test, \
534 _version, _vmsd, _type) { \
535 .name = (stringify(_field)), \
536 .num = (_n1) * (_n2), \
537 .field_exists = (_test), \
538 .version_id = (_version), \
539 .vmsd = &(_vmsd), \
540 .size = sizeof(_type), \
541 .flags = VMS_STRUCT | VMS_ARRAY, \
542 .offset = vmstate_offset_2darray(_state, _field, _type, \
543 _n1, _n2), \
544 }
545
546 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
547 .name = (stringify(_field)), \
548 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
549 .version_id = (_version), \
550 .vmsd = &(_vmsd), \
551 .size = sizeof(_type), \
552 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
553 .offset = vmstate_offset_varray(_state, _field, _type), \
554 }
555
556 /* a variable length array (i.e. _type *_field) but we know the
557 * length
558 */
559 #define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \
560 .name = (stringify(_field)), \
561 .num = (_num), \
562 .version_id = (_version), \
563 .vmsd = &(_vmsd), \
564 .size = sizeof(_type), \
565 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \
566 .offset = offsetof(_state, _field), \
567 }
568
569 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
570 .name = (stringify(_field)), \
571 .version_id = 0, \
572 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
573 .size = sizeof(_type), \
574 .vmsd = &(_vmsd), \
575 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
576 .offset = vmstate_offset_pointer(_state, _field, _type), \
577 }
578
579 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \
580 .name = (stringify(_field)), \
581 .version_id = 0, \
582 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
583 .size = sizeof(_type), \
584 .vmsd = &(_vmsd), \
585 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
586 .offset = vmstate_offset_pointer(_state, _field, _type), \
587 }
588
589 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
590 .name = (stringify(_field)), \
591 .version_id = 0, \
592 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
593 .size = sizeof(_type), \
594 .vmsd = &(_vmsd), \
595 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
596 .offset = vmstate_offset_pointer(_state, _field, _type), \
597 }
598
599 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
600 .name = (stringify(_field)), \
601 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
602 .version_id = (_version), \
603 .vmsd = &(_vmsd), \
604 .size = sizeof(_type), \
605 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
606 .offset = vmstate_offset_varray(_state, _field, _type), \
607 }
608
609 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
610 .name = (stringify(_field)), \
611 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
612 .version_id = (_version), \
613 .vmsd = &(_vmsd), \
614 .size = sizeof(_type), \
615 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
616 .offset = vmstate_offset_varray(_state, _field, _type), \
617 }
618
619 #define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\
620 .name = (stringify(_field)), \
621 .version_id = (_version), \
622 .vmsd = &(_vmsd), \
623 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
624 .size = sizeof(_type), \
625 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \
626 .offset = vmstate_offset_pointer(_state, _field, _type), \
627 }
628
629 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
630 .name = (stringify(_field)), \
631 .version_id = (_version), \
632 .field_exists = (_test), \
633 .size = (_size - _start), \
634 .info = &vmstate_info_buffer, \
635 .flags = VMS_BUFFER, \
636 .offset = vmstate_offset_buffer(_state, _field) + _start, \
637 }
638
639 #define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, \
640 _field_size, _multiply) { \
641 .name = (stringify(_field)), \
642 .version_id = (_version), \
643 .field_exists = (_test), \
644 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
645 .size = (_multiply), \
646 .info = &vmstate_info_buffer, \
647 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \
648 .offset = offsetof(_state, _field), \
649 }
650
651 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _field_size) { \
652 .name = (stringify(_field)), \
653 .version_id = (_version), \
654 .field_exists = (_test), \
655 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
656 .info = &vmstate_info_buffer, \
657 .flags = VMS_VBUFFER|VMS_POINTER, \
658 .offset = offsetof(_state, _field), \
659 }
660
661 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _field_size) { \
662 .name = (stringify(_field)), \
663 .version_id = (_version), \
664 .field_exists = (_test), \
665 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
666 .info = &vmstate_info_buffer, \
667 .flags = VMS_VBUFFER|VMS_POINTER, \
668 .offset = offsetof(_state, _field), \
669 }
670
671 #define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, \
672 _test, _field_size) { \
673 .name = (stringify(_field)), \
674 .version_id = (_version), \
675 .field_exists = (_test), \
676 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
677 .info = &vmstate_info_buffer, \
678 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \
679 .offset = offsetof(_state, _field), \
680 }
681
682 #define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \
683 .name = (stringify(_field)), \
684 .version_id = (_version), \
685 .field_exists = (_test), \
686 .size = (_size), \
687 .info = &(_info), \
688 .flags = VMS_BUFFER, \
689 .offset = offsetof(_state, _field), \
690 }
691
692 #define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \
693 .name = (stringify(_field)), \
694 .version_id = (_version), \
695 .size = (_size), \
696 .info = &vmstate_info_buffer, \
697 .flags = VMS_BUFFER|VMS_POINTER, \
698 .offset = offsetof(_state, _field), \
699 }
700
701 /* Allocate a temporary of type 'tmp_type', set tmp->parent to _state
702 * and execute the vmsd on the temporary. Note that we're working with
703 * the whole of _state here, not a field within it.
704 * We compile time check that:
705 * That _tmp_type contains a 'parent' member that's a pointer to the
706 * '_state' type
707 * That the pointer is right at the start of _tmp_type.
708 */
709 #define VMSTATE_WITH_TMP(_state, _tmp_type, _vmsd) { \
710 .name = "tmp", \
711 .size = sizeof(_tmp_type) + \
712 QEMU_BUILD_BUG_ON_ZERO(offsetof(_tmp_type, parent) != 0) + \
713 type_check_pointer(_state, \
714 typeof_field(_tmp_type, parent)), \
715 .vmsd = &(_vmsd), \
716 .info = &vmstate_info_tmp, \
717 }
718
719 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
720 .name = "unused", \
721 .field_exists = (_test), \
722 .version_id = (_version), \
723 .size = (_size), \
724 .info = &vmstate_info_unused_buffer, \
725 .flags = VMS_BUFFER, \
726 }
727
728 /* Discard size * field_num bytes, where field_num is a uint32 member */
729 #define VMSTATE_UNUSED_VARRAY_UINT32(_state, _test, _version, _field_num, _size) {\
730 .name = "unused", \
731 .field_exists = (_test), \
732 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
733 .version_id = (_version), \
734 .size = (_size), \
735 .info = &vmstate_info_unused_buffer, \
736 .flags = VMS_VARRAY_UINT32 | VMS_BUFFER, \
737 }
738
739 /* _field_size should be a int32_t field in the _state struct giving the
740 * size of the bitmap _field in bits.
741 */
742 #define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
743 .name = (stringify(_field)), \
744 .version_id = (_version), \
745 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
746 .info = &vmstate_info_bitmap, \
747 .flags = VMS_VBUFFER|VMS_POINTER, \
748 .offset = offsetof(_state, _field), \
749 }
750
751 /* For migrating a QTAILQ.
752 * Target QTAILQ needs be properly initialized.
753 * _type: type of QTAILQ element
754 * _next: name of QTAILQ entry field in QTAILQ element
755 * _vmsd: VMSD for QTAILQ element
756 * size: size of QTAILQ element
757 * start: offset of QTAILQ entry in QTAILQ element
758 */
759 #define VMSTATE_QTAILQ_V(_field, _state, _version, _vmsd, _type, _next) \
760 { \
761 .name = (stringify(_field)), \
762 .version_id = (_version), \
763 .vmsd = &(_vmsd), \
764 .size = sizeof(_type), \
765 .info = &vmstate_info_qtailq, \
766 .offset = offsetof(_state, _field), \
767 .start = offsetof(_type, _next), \
768 }
769
770 /*
771 * For migrating a GTree whose key is a pointer to _key_type and the
772 * value, a pointer to _val_type
773 * The target tree must have been properly initialized
774 * _vmsd: Start address of the 2 element array containing the data vmsd
775 * and the key vmsd, in that order
776 * _key_type: type of the key
777 * _val_type: type of the value
778 */
779 #define VMSTATE_GTREE_V(_field, _state, _version, _vmsd, \
780 _key_type, _val_type) \
781 { \
782 .name = (stringify(_field)), \
783 .version_id = (_version), \
784 .vmsd = (_vmsd), \
785 .info = &vmstate_info_gtree, \
786 .start = sizeof(_key_type), \
787 .size = sizeof(_val_type), \
788 .offset = offsetof(_state, _field), \
789 }
790
791 /*
792 * For migrating a GTree with direct key and the value a pointer
793 * to _val_type
794 * The target tree must have been properly initialized
795 * _vmsd: data vmsd
796 * _val_type: type of the value
797 */
798 #define VMSTATE_GTREE_DIRECT_KEY_V(_field, _state, _version, _vmsd, _val_type) \
799 { \
800 .name = (stringify(_field)), \
801 .version_id = (_version), \
802 .vmsd = (_vmsd), \
803 .info = &vmstate_info_gtree, \
804 .start = 0, \
805 .size = sizeof(_val_type), \
806 .offset = offsetof(_state, _field), \
807 }
808
809 /*
810 * For migrating a QLIST
811 * Target QLIST needs be properly initialized.
812 * _type: type of QLIST element
813 * _next: name of QLIST_ENTRY entry field in QLIST element
814 * _vmsd: VMSD for QLIST element
815 * size: size of QLIST element
816 * start: offset of QLIST_ENTRY in QTAILQ element
817 */
818 #define VMSTATE_QLIST_V(_field, _state, _version, _vmsd, _type, _next) \
819 { \
820 .name = (stringify(_field)), \
821 .version_id = (_version), \
822 .vmsd = &(_vmsd), \
823 .size = sizeof(_type), \
824 .info = &vmstate_info_qlist, \
825 .offset = offsetof(_state, _field), \
826 .start = offsetof(_type, _next), \
827 }
828
829 /* _f : field name
830 _f_n : num of elements field_name
831 _n : num of elements
832 _s : struct state name
833 _v : version
834 */
835
836 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
837 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
838
839 #define VMSTATE_VSTRUCT(_field, _state, _vmsd, _type, _struct_version)\
840 VMSTATE_VSTRUCT_TEST(_field, _state, NULL, 0, _vmsd, _type, _struct_version)
841
842 #define VMSTATE_VSTRUCT_V(_field, _state, _version, _vmsd, _type, _struct_version) \
843 VMSTATE_VSTRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type, \
844 _struct_version)
845
846 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
847 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
848
849 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
850 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type)
851
852 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \
853 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type)
854
855 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
856 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
857 _vmsd, _type)
858
859 #define VMSTATE_STRUCT_2DARRAY(_field, _state, _n1, _n2, _version, \
860 _vmsd, _type) \
861 VMSTATE_STRUCT_2DARRAY_TEST(_field, _state, _n1, _n2, NULL, \
862 _version, _vmsd, _type)
863
864 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \
865 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \
866 _size)
867
868 #define VMSTATE_BOOL_V(_f, _s, _v) \
869 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
870
871 #define VMSTATE_INT8_V(_f, _s, _v) \
872 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
873 #define VMSTATE_INT16_V(_f, _s, _v) \
874 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
875 #define VMSTATE_INT32_V(_f, _s, _v) \
876 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
877 #define VMSTATE_INT64_V(_f, _s, _v) \
878 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
879
880 #define VMSTATE_UINT8_V(_f, _s, _v) \
881 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
882 #define VMSTATE_UINT16_V(_f, _s, _v) \
883 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
884 #define VMSTATE_UINT32_V(_f, _s, _v) \
885 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
886 #define VMSTATE_UINT64_V(_f, _s, _v) \
887 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
888
889 #ifdef CONFIG_LINUX
890
891 #define VMSTATE_U8_V(_f, _s, _v) \
892 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, __u8)
893 #define VMSTATE_U16_V(_f, _s, _v) \
894 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, __u16)
895 #define VMSTATE_U32_V(_f, _s, _v) \
896 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, __u32)
897 #define VMSTATE_U64_V(_f, _s, _v) \
898 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, __u64)
899
900 #endif
901
902 #define VMSTATE_BOOL(_f, _s) \
903 VMSTATE_BOOL_V(_f, _s, 0)
904
905 #define VMSTATE_INT8(_f, _s) \
906 VMSTATE_INT8_V(_f, _s, 0)
907 #define VMSTATE_INT16(_f, _s) \
908 VMSTATE_INT16_V(_f, _s, 0)
909 #define VMSTATE_INT32(_f, _s) \
910 VMSTATE_INT32_V(_f, _s, 0)
911 #define VMSTATE_INT64(_f, _s) \
912 VMSTATE_INT64_V(_f, _s, 0)
913
914 #define VMSTATE_UINT8(_f, _s) \
915 VMSTATE_UINT8_V(_f, _s, 0)
916 #define VMSTATE_UINT16(_f, _s) \
917 VMSTATE_UINT16_V(_f, _s, 0)
918 #define VMSTATE_UINT32(_f, _s) \
919 VMSTATE_UINT32_V(_f, _s, 0)
920 #define VMSTATE_UINT64(_f, _s) \
921 VMSTATE_UINT64_V(_f, _s, 0)
922
923 #ifdef CONFIG_LINUX
924
925 #define VMSTATE_U8(_f, _s) \
926 VMSTATE_U8_V(_f, _s, 0)
927 #define VMSTATE_U16(_f, _s) \
928 VMSTATE_U16_V(_f, _s, 0)
929 #define VMSTATE_U32(_f, _s) \
930 VMSTATE_U32_V(_f, _s, 0)
931 #define VMSTATE_U64(_f, _s) \
932 VMSTATE_U64_V(_f, _s, 0)
933
934 #endif
935
936 #define VMSTATE_UINT8_EQUAL(_f, _s, _err_hint) \
937 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \
938 vmstate_info_uint8_equal, uint8_t, _err_hint)
939
940 #define VMSTATE_UINT16_EQUAL(_f, _s, _err_hint) \
941 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \
942 vmstate_info_uint16_equal, uint16_t, _err_hint)
943
944 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v, _err_hint) \
945 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \
946 vmstate_info_uint16_equal, uint16_t, _err_hint)
947
948 #define VMSTATE_INT32_EQUAL(_f, _s, _err_hint) \
949 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \
950 vmstate_info_int32_equal, int32_t, _err_hint)
951
952 #define VMSTATE_UINT32_EQUAL_V(_f, _s, _v, _err_hint) \
953 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \
954 vmstate_info_uint32_equal, uint32_t, _err_hint)
955
956 #define VMSTATE_UINT32_EQUAL(_f, _s, _err_hint) \
957 VMSTATE_UINT32_EQUAL_V(_f, _s, 0, _err_hint)
958
959 #define VMSTATE_UINT64_EQUAL_V(_f, _s, _v, _err_hint) \
960 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \
961 vmstate_info_uint64_equal, uint64_t, _err_hint)
962
963 #define VMSTATE_UINT64_EQUAL(_f, _s, _err_hint) \
964 VMSTATE_UINT64_EQUAL_V(_f, _s, 0, _err_hint)
965
966 #define VMSTATE_INT32_POSITIVE_LE(_f, _s) \
967 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
968
969 #define VMSTATE_BOOL_TEST(_f, _s, _t) \
970 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_bool, bool)
971
972 #define VMSTATE_INT8_TEST(_f, _s, _t) \
973 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t)
974
975 #define VMSTATE_INT16_TEST(_f, _s, _t) \
976 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t)
977
978 #define VMSTATE_INT32_TEST(_f, _s, _t) \
979 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t)
980
981 #define VMSTATE_INT64_TEST(_f, _s, _t) \
982 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t)
983
984 #define VMSTATE_UINT8_TEST(_f, _s, _t) \
985 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
986
987 #define VMSTATE_UINT16_TEST(_f, _s, _t) \
988 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
989
990 #define VMSTATE_UINT32_TEST(_f, _s, _t) \
991 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
992
993 #define VMSTATE_UINT64_TEST(_f, _s, _t) \
994 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t)
995
996
997 #define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \
998 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
999
1000 #define VMSTATE_TIMER_PTR_V(_f, _s, _v) \
1001 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
1002
1003 #define VMSTATE_TIMER_PTR(_f, _s) \
1004 VMSTATE_TIMER_PTR_V(_f, _s, 0)
1005
1006 #define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \
1007 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
1008
1009 #define VMSTATE_TIMER_TEST(_f, _s, _test) \
1010 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer)
1011
1012 #define VMSTATE_TIMER_V(_f, _s, _v) \
1013 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer)
1014
1015 #define VMSTATE_TIMER(_f, _s) \
1016 VMSTATE_TIMER_V(_f, _s, 0)
1017
1018 #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
1019 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer)
1020
1021 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
1022 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
1023
1024 #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
1025 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
1026
1027 #define VMSTATE_BOOL_SUB_ARRAY(_f, _s, _start, _num) \
1028 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_bool, bool)
1029
1030 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
1031 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
1032
1033 #define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1034 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t)
1035
1036 #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
1037 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
1038
1039 #define VMSTATE_UINT16_SUB_ARRAY(_f, _s, _start, _num) \
1040 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint16, uint16_t)
1041
1042 #define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \
1043 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0)
1044
1045 #define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1046 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t)
1047
1048 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
1049 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
1050
1051 #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
1052 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
1053
1054 #define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \
1055 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t)
1056
1057 #define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \
1058 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0)
1059
1060 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
1061 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
1062
1063 #define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1064 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t)
1065
1066 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
1067 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
1068
1069 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
1070 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
1071
1072 #define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \
1073 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0)
1074
1075 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
1076 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
1077
1078 #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
1079 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
1080
1081 #define VMSTATE_UINT64_SUB_ARRAY(_f, _s, _start, _num) \
1082 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint64, uint64_t)
1083
1084 #define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \
1085 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0)
1086
1087 #define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \
1088 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t)
1089
1090 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
1091 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
1092
1093 #define VMSTATE_INT16_ARRAY(_f, _s, _n) \
1094 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
1095
1096 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
1097 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
1098
1099 #define VMSTATE_INT32_ARRAY(_f, _s, _n) \
1100 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
1101
1102 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
1103 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
1104
1105 #define VMSTATE_INT64_ARRAY(_f, _s, _n) \
1106 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
1107
1108 #define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \
1109 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU)
1110
1111 #define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \
1112 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0)
1113
1114 #define VMSTATE_BUFFER_V(_f, _s, _v) \
1115 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
1116
1117 #define VMSTATE_BUFFER(_f, _s) \
1118 VMSTATE_BUFFER_V(_f, _s, 0)
1119
1120 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
1121 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
1122
1123 #define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \
1124 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f)))
1125
1126 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
1127 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0)
1128
1129 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
1130 VMSTATE_VBUFFER(_f, _s, 0, NULL, _size)
1131
1132 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
1133 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, _size)
1134
1135 #define VMSTATE_BUFFER_TEST(_f, _s, _test) \
1136 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
1137
1138 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
1139 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
1140
1141 /*
1142 * These VMSTATE_UNUSED*() macros can be used to fill in the holes
1143 * when some of the vmstate fields are obsolete to be compatible with
1144 * migrations between new/old binaries.
1145 *
1146 * CAUTION: when using any of the VMSTATE_UNUSED*() macros please be
1147 * sure that the size passed in is the size that was actually *sent*
1148 * rather than the size of the *structure*. One example is the
1149 * boolean type - the size of the structure can vary depending on the
1150 * definition of boolean, however the size we actually sent is always
1151 * 1 byte (please refer to implementation of VMSTATE_BOOL_V and
1152 * vmstate_info_bool). So here we should always pass in size==1
1153 * rather than size==sizeof(bool).
1154 */
1155 #define VMSTATE_UNUSED_V(_v, _size) \
1156 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
1157
1158 #define VMSTATE_UNUSED(_size) \
1159 VMSTATE_UNUSED_V(0, _size)
1160
1161 #define VMSTATE_UNUSED_TEST(_test, _size) \
1162 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
1163
1164 #define VMSTATE_END_OF_LIST() \
1165 {}
1166
1167 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
1168 void *opaque, int version_id);
1169 int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
1170 void *opaque, JSONWriter *vmdesc);
1171 int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,
1172 void *opaque, JSONWriter *vmdesc,
1173 int version_id);
1174
1175 bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
1176
1177 #define VMSTATE_INSTANCE_ID_ANY -1
1178
1179 /* Returns: 0 on success, -1 on failure */
1180 int vmstate_register_with_alias_id(VMStateIf *obj, uint32_t instance_id,
1181 const VMStateDescription *vmsd,
1182 void *base, int alias_id,
1183 int required_for_version,
1184 Error **errp);
1185
1186 /* Returns: 0 on success, -1 on failure */
1187 static inline int vmstate_register(VMStateIf *obj, int instance_id,
1188 const VMStateDescription *vmsd,
1189 void *opaque)
1190 {
1191 return vmstate_register_with_alias_id(obj, instance_id, vmsd,
1192 opaque, -1, 0, NULL);
1193 }
1194
1195 void vmstate_unregister(VMStateIf *obj, const VMStateDescription *vmsd,
1196 void *opaque);
1197
1198 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
1199 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
1200 void vmstate_register_ram_global(struct MemoryRegion *memory);
1201
1202 bool vmstate_check_only_migratable(const VMStateDescription *vmsd);
1203
1204 #endif
AR7 emulation for QEMU