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