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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 | 33 | typedef void SaveStateHandler(QEMUFile *f, void *opaque); |
701a8f76 PB |
34 | typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); |
35 | ||
22ea40f4 | 36 | typedef 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 |
61 | int 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 | ||
69 | int 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 | ||
76 | void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque); | |
77 | void register_device_unmigratable(DeviceState *dev, const char *idstr, | |
78 | void *opaque); | |
79 | ||
80 | ||
81 | typedef struct VMStateInfo VMStateInfo; | |
82 | typedef struct VMStateDescription VMStateDescription; | |
83 | ||
84 | struct 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 | ||
90 | enum 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 | ||
105 | typedef 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 | ||
120 | typedef struct VMStateSubsection { | |
121 | const VMStateDescription *vmsd; | |
122 | bool (*needed)(void *opaque); | |
123 | } VMStateSubsection; | |
124 | ||
125 | struct 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 |
140 | extern const VMStateDescription vmstate_dummy; | |
141 | #endif | |
142 | ||
701a8f76 PB |
143 | extern const VMStateInfo vmstate_info_bool; |
144 | ||
145 | extern const VMStateInfo vmstate_info_int8; | |
146 | extern const VMStateInfo vmstate_info_int16; | |
147 | extern const VMStateInfo vmstate_info_int32; | |
148 | extern const VMStateInfo vmstate_info_int64; | |
149 | ||
150 | extern const VMStateInfo vmstate_info_uint8_equal; | |
151 | extern const VMStateInfo vmstate_info_uint16_equal; | |
152 | extern const VMStateInfo vmstate_info_int32_equal; | |
153 | extern const VMStateInfo vmstate_info_uint32_equal; | |
e344b8a1 | 154 | extern const VMStateInfo vmstate_info_uint64_equal; |
701a8f76 PB |
155 | extern const VMStateInfo vmstate_info_int32_le; |
156 | ||
157 | extern const VMStateInfo vmstate_info_uint8; | |
158 | extern const VMStateInfo vmstate_info_uint16; | |
159 | extern const VMStateInfo vmstate_info_uint32; | |
160 | extern const VMStateInfo vmstate_info_uint64; | |
161 | ||
213945e4 DG |
162 | extern const VMStateInfo vmstate_info_float64; |
163 | ||
701a8f76 PB |
164 | extern const VMStateInfo vmstate_info_timer; |
165 | extern const VMStateInfo vmstate_info_buffer; | |
166 | extern const VMStateInfo vmstate_info_unused_buffer; | |
08e99e29 | 167 | extern 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), \ | |
20bcf73f | 317 | .size = sizeof(_type *), \ |
7102400d | 318 | .flags = VMS_STRUCT|VMS_POINTER, \ |
20bcf73f | 319 | .offset = vmstate_offset_pointer(_state, _field, _type), \ |
7102400d AK |
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), \ | |
20bcf73f | 327 | .size = sizeof(_type *), \ |
701a8f76 | 328 | .flags = VMS_STRUCT|VMS_POINTER, \ |
20bcf73f | 329 | .offset = vmstate_offset_pointer(_state, _field, _type), \ |
701a8f76 PB |
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 | ||
a1f05e79 PM |
342 | #define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \ |
343 | .name = (stringify(_f)), \ | |
344 | .version_id = (_v), \ | |
345 | .num = (_n), \ | |
346 | .vmsd = &(_vmsd), \ | |
347 | .size = sizeof(_type *), \ | |
348 | .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \ | |
349 | .offset = vmstate_offset_array(_s, _f, _type*, _n), \ | |
350 | } | |
351 | ||
701a8f76 PB |
352 | #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \ |
353 | .name = (stringify(_field)), \ | |
354 | .num = (_num), \ | |
355 | .field_exists = (_test), \ | |
356 | .version_id = (_version), \ | |
357 | .vmsd = &(_vmsd), \ | |
358 | .size = sizeof(_type), \ | |
359 | .flags = VMS_STRUCT|VMS_ARRAY, \ | |
360 | .offset = vmstate_offset_array(_state, _field, _type, _num),\ | |
361 | } | |
362 | ||
363 | #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ | |
364 | .name = (stringify(_field)), \ | |
365 | .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ | |
366 | .version_id = (_version), \ | |
367 | .vmsd = &(_vmsd), \ | |
368 | .size = sizeof(_type), \ | |
369 | .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \ | |
370 | .offset = offsetof(_state, _field), \ | |
371 | } | |
372 | ||
373 | #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \ | |
374 | .name = (stringify(_field)), \ | |
375 | .version_id = 0, \ | |
376 | .num_offset = vmstate_offset_value(_state, _field_num, int32_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 | ||
8474a9dd DG |
383 | #define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \ |
384 | .name = (stringify(_field)), \ | |
385 | .version_id = 0, \ | |
386 | .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ | |
387 | .size = sizeof(_type), \ | |
388 | .vmsd = &(_vmsd), \ | |
389 | .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ | |
390 | .offset = vmstate_offset_pointer(_state, _field, _type), \ | |
391 | } | |
392 | ||
701a8f76 PB |
393 | #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \ |
394 | .name = (stringify(_field)), \ | |
395 | .version_id = 0, \ | |
396 | .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ | |
397 | .size = sizeof(_type), \ | |
398 | .vmsd = &(_vmsd), \ | |
399 | .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \ | |
400 | .offset = vmstate_offset_pointer(_state, _field, _type), \ | |
401 | } | |
402 | ||
403 | #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \ | |
404 | .name = (stringify(_field)), \ | |
405 | .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ | |
406 | .version_id = (_version), \ | |
407 | .vmsd = &(_vmsd), \ | |
408 | .size = sizeof(_type), \ | |
409 | .flags = VMS_STRUCT|VMS_VARRAY_INT32, \ | |
410 | .offset = offsetof(_state, _field), \ | |
411 | } | |
412 | ||
413 | #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \ | |
414 | .name = (stringify(_field)), \ | |
415 | .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ | |
416 | .version_id = (_version), \ | |
417 | .vmsd = &(_vmsd), \ | |
418 | .size = sizeof(_type), \ | |
419 | .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \ | |
420 | .offset = offsetof(_state, _field), \ | |
421 | } | |
422 | ||
423 | #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \ | |
424 | .name = (stringify(_field)), \ | |
425 | .version_id = (_version), \ | |
426 | .field_exists = (_test), \ | |
427 | .size = (_size - _start), \ | |
428 | .info = &vmstate_info_buffer, \ | |
429 | .flags = VMS_BUFFER, \ | |
430 | .offset = vmstate_offset_buffer(_state, _field) + _start, \ | |
431 | } | |
432 | ||
377e2cb9 | 433 | #define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \ |
701a8f76 PB |
434 | .name = (stringify(_field)), \ |
435 | .version_id = (_version), \ | |
436 | .field_exists = (_test), \ | |
437 | .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ | |
438 | .size = (_multiply), \ | |
439 | .info = &vmstate_info_buffer, \ | |
377e2cb9 | 440 | .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \ |
701a8f76 PB |
441 | .offset = offsetof(_state, _field), \ |
442 | .start = (_start), \ | |
443 | } | |
444 | ||
445 | #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \ | |
446 | .name = (stringify(_field)), \ | |
447 | .version_id = (_version), \ | |
448 | .field_exists = (_test), \ | |
449 | .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ | |
450 | .info = &vmstate_info_buffer, \ | |
451 | .flags = VMS_VBUFFER|VMS_POINTER, \ | |
452 | .offset = offsetof(_state, _field), \ | |
453 | .start = (_start), \ | |
454 | } | |
455 | ||
456 | #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \ | |
457 | .name = (stringify(_field)), \ | |
458 | .version_id = (_version), \ | |
459 | .field_exists = (_test), \ | |
460 | .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ | |
461 | .info = &vmstate_info_buffer, \ | |
462 | .flags = VMS_VBUFFER|VMS_POINTER, \ | |
463 | .offset = offsetof(_state, _field), \ | |
464 | .start = (_start), \ | |
465 | } | |
466 | ||
467 | #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \ | |
468 | .name = (stringify(_field)), \ | |
469 | .version_id = (_version), \ | |
470 | .size = (_size), \ | |
471 | .info = &(_info), \ | |
472 | .flags = VMS_BUFFER, \ | |
473 | .offset = offsetof(_state, _field), \ | |
474 | } | |
475 | ||
8070568b IM |
476 | #define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ |
477 | .name = (stringify(_field)), \ | |
478 | .version_id = (_version), \ | |
479 | .size = (_size), \ | |
480 | .info = &vmstate_info_buffer, \ | |
481 | .flags = VMS_BUFFER|VMS_POINTER, \ | |
482 | .offset = offsetof(_state, _field), \ | |
483 | } | |
484 | ||
701a8f76 PB |
485 | #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \ |
486 | .name = "unused", \ | |
487 | .field_exists = (_test), \ | |
488 | .version_id = (_version), \ | |
489 | .size = (_size), \ | |
490 | .info = &vmstate_info_unused_buffer, \ | |
491 | .flags = VMS_BUFFER, \ | |
492 | } | |
493 | ||
08e99e29 PM |
494 | /* _field_size should be a int32_t field in the _state struct giving the |
495 | * size of the bitmap _field in bits. | |
496 | */ | |
497 | #define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ | |
498 | .name = (stringify(_field)), \ | |
499 | .version_id = (_version), \ | |
500 | .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ | |
501 | .info = &vmstate_info_bitmap, \ | |
502 | .flags = VMS_VBUFFER|VMS_POINTER, \ | |
503 | .offset = offsetof(_state, _field), \ | |
504 | } | |
505 | ||
701a8f76 PB |
506 | /* _f : field name |
507 | _f_n : num of elements field_name | |
508 | _n : num of elements | |
509 | _s : struct state name | |
510 | _v : version | |
511 | */ | |
512 | ||
513 | #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \ | |
514 | VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type) | |
515 | ||
516 | #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \ | |
517 | VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type) | |
518 | ||
519 | #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \ | |
7102400d AK |
520 | VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type) |
521 | ||
522 | #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \ | |
523 | VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type) | |
701a8f76 PB |
524 | |
525 | #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \ | |
526 | VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \ | |
527 | _vmsd, _type) | |
528 | ||
529 | #define VMSTATE_BOOL_V(_f, _s, _v) \ | |
530 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool) | |
531 | ||
532 | #define VMSTATE_INT8_V(_f, _s, _v) \ | |
533 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t) | |
534 | #define VMSTATE_INT16_V(_f, _s, _v) \ | |
535 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t) | |
536 | #define VMSTATE_INT32_V(_f, _s, _v) \ | |
537 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t) | |
538 | #define VMSTATE_INT64_V(_f, _s, _v) \ | |
539 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t) | |
540 | ||
541 | #define VMSTATE_UINT8_V(_f, _s, _v) \ | |
542 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t) | |
543 | #define VMSTATE_UINT16_V(_f, _s, _v) \ | |
544 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t) | |
545 | #define VMSTATE_UINT32_V(_f, _s, _v) \ | |
546 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t) | |
547 | #define VMSTATE_UINT64_V(_f, _s, _v) \ | |
548 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t) | |
549 | ||
550 | #define VMSTATE_BOOL(_f, _s) \ | |
551 | VMSTATE_BOOL_V(_f, _s, 0) | |
552 | ||
553 | #define VMSTATE_INT8(_f, _s) \ | |
554 | VMSTATE_INT8_V(_f, _s, 0) | |
555 | #define VMSTATE_INT16(_f, _s) \ | |
556 | VMSTATE_INT16_V(_f, _s, 0) | |
557 | #define VMSTATE_INT32(_f, _s) \ | |
558 | VMSTATE_INT32_V(_f, _s, 0) | |
559 | #define VMSTATE_INT64(_f, _s) \ | |
560 | VMSTATE_INT64_V(_f, _s, 0) | |
561 | ||
562 | #define VMSTATE_UINT8(_f, _s) \ | |
563 | VMSTATE_UINT8_V(_f, _s, 0) | |
564 | #define VMSTATE_UINT16(_f, _s) \ | |
565 | VMSTATE_UINT16_V(_f, _s, 0) | |
566 | #define VMSTATE_UINT32(_f, _s) \ | |
567 | VMSTATE_UINT32_V(_f, _s, 0) | |
568 | #define VMSTATE_UINT64(_f, _s) \ | |
569 | VMSTATE_UINT64_V(_f, _s, 0) | |
570 | ||
571 | #define VMSTATE_UINT8_EQUAL(_f, _s) \ | |
572 | VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t) | |
573 | ||
574 | #define VMSTATE_UINT16_EQUAL(_f, _s) \ | |
575 | VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t) | |
576 | ||
577 | #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \ | |
578 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t) | |
579 | ||
580 | #define VMSTATE_INT32_EQUAL(_f, _s) \ | |
581 | VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t) | |
582 | ||
d58f5598 DG |
583 | #define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \ |
584 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t) | |
585 | ||
586 | #define VMSTATE_UINT32_EQUAL(_f, _s) \ | |
587 | VMSTATE_UINT32_EQUAL_V(_f, _s, 0) | |
701a8f76 | 588 | |
e344b8a1 DG |
589 | #define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \ |
590 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t) | |
591 | ||
592 | #define VMSTATE_UINT64_EQUAL(_f, _s) \ | |
593 | VMSTATE_UINT64_EQUAL_V(_f, _s, 0) | |
594 | ||
701a8f76 PB |
595 | #define VMSTATE_INT32_LE(_f, _s) \ |
596 | VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) | |
597 | ||
598 | #define VMSTATE_UINT8_TEST(_f, _s, _t) \ | |
599 | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t) | |
600 | ||
601 | #define VMSTATE_UINT16_TEST(_f, _s, _t) \ | |
602 | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t) | |
603 | ||
604 | #define VMSTATE_UINT32_TEST(_f, _s, _t) \ | |
605 | VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) | |
606 | ||
213945e4 DG |
607 | |
608 | #define VMSTATE_FLOAT64_V(_f, _s, _v) \ | |
609 | VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) | |
610 | ||
611 | #define VMSTATE_FLOAT64(_f, _s) \ | |
612 | VMSTATE_FLOAT64_V(_f, _s, 0) | |
613 | ||
701a8f76 PB |
614 | #define VMSTATE_TIMER_TEST(_f, _s, _test) \ |
615 | VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) | |
616 | ||
0281518a PB |
617 | #define VMSTATE_TIMER_V(_f, _s, _v) \ |
618 | VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) | |
619 | ||
701a8f76 | 620 | #define VMSTATE_TIMER(_f, _s) \ |
0281518a | 621 | VMSTATE_TIMER_V(_f, _s, 0) |
701a8f76 PB |
622 | |
623 | #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ | |
624 | VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) | |
625 | ||
626 | #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \ | |
627 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool) | |
628 | ||
629 | #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \ | |
630 | VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0) | |
631 | ||
632 | #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \ | |
633 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t) | |
634 | ||
bd7f92e5 PM |
635 | #define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \ |
636 | VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) | |
637 | ||
701a8f76 PB |
638 | #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ |
639 | VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) | |
640 | ||
bd7f92e5 PM |
641 | #define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ |
642 | VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) | |
643 | ||
644 | #define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ | |
645 | VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) | |
646 | ||
701a8f76 PB |
647 | #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \ |
648 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t) | |
649 | ||
650 | #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \ | |
651 | VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0) | |
652 | ||
bd7f92e5 PM |
653 | #define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ |
654 | VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) | |
655 | ||
701a8f76 PB |
656 | #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ |
657 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) | |
658 | ||
a1b1d277 CD |
659 | #define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \ |
660 | VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t) | |
661 | ||
701a8f76 PB |
662 | #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ |
663 | VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) | |
664 | ||
a1b1d277 CD |
665 | #define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \ |
666 | VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0) | |
667 | ||
701a8f76 PB |
668 | #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \ |
669 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t) | |
670 | ||
671 | #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \ | |
672 | VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0) | |
673 | ||
674 | #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \ | |
675 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t) | |
676 | ||
677 | #define VMSTATE_INT16_ARRAY(_f, _s, _n) \ | |
678 | VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0) | |
679 | ||
680 | #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \ | |
681 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t) | |
682 | ||
683 | #define VMSTATE_INT32_ARRAY(_f, _s, _n) \ | |
684 | VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0) | |
685 | ||
686 | #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \ | |
687 | VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t) | |
688 | ||
689 | #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ | |
690 | VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) | |
691 | ||
692 | #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \ | |
693 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t) | |
694 | ||
695 | #define VMSTATE_INT64_ARRAY(_f, _s, _n) \ | |
696 | VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) | |
697 | ||
213945e4 DG |
698 | #define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ |
699 | VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) | |
700 | ||
701 | #define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ | |
702 | VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) | |
703 | ||
701a8f76 PB |
704 | #define VMSTATE_BUFFER_V(_f, _s, _v) \ |
705 | VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) | |
706 | ||
707 | #define VMSTATE_BUFFER(_f, _s) \ | |
708 | VMSTATE_BUFFER_V(_f, _s, 0) | |
709 | ||
710 | #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \ | |
711 | VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size) | |
712 | ||
713 | #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \ | |
714 | VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f))) | |
715 | ||
716 | #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \ | |
717 | VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size) | |
718 | ||
719 | #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \ | |
720 | VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size) | |
721 | ||
722 | #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \ | |
723 | VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size) | |
724 | ||
725 | #define VMSTATE_BUFFER_TEST(_f, _s, _test) \ | |
726 | VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f))) | |
727 | ||
728 | #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \ | |
729 | VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size) | |
730 | ||
731 | #define VMSTATE_UNUSED_V(_v, _size) \ | |
732 | VMSTATE_UNUSED_BUFFER(NULL, _v, _size) | |
733 | ||
734 | #define VMSTATE_UNUSED(_size) \ | |
735 | VMSTATE_UNUSED_V(0, _size) | |
736 | ||
737 | #define VMSTATE_UNUSED_TEST(_test, _size) \ | |
738 | VMSTATE_UNUSED_BUFFER(_test, 0, _size) | |
739 | ||
740 | #define VMSTATE_END_OF_LIST() \ | |
741 | {} | |
742 | ||
743 | int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, | |
744 | void *opaque, int version_id); | |
745 | void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, | |
746 | void *opaque); | |
d7650eab | 747 | |
701a8f76 PB |
748 | int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, |
749 | const VMStateDescription *vmsd, | |
750 | void *base, int alias_id, | |
751 | int required_for_version); | |
d7650eab AF |
752 | |
753 | static inline int vmstate_register(DeviceState *dev, int instance_id, | |
754 | const VMStateDescription *vmsd, | |
755 | void *opaque) | |
756 | { | |
757 | return vmstate_register_with_alias_id(dev, instance_id, vmsd, | |
758 | opaque, -1, 0); | |
759 | } | |
760 | ||
701a8f76 PB |
761 | void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd, |
762 | void *opaque); | |
763 | ||
764 | struct MemoryRegion; | |
765 | void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); | |
766 | void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); | |
767 | void vmstate_register_ram_global(struct MemoryRegion *memory); | |
768 | ||
769 | #endif |