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 #ifndef CONFIG_USER_ONLY 31 #include "migration/qemu-file.h" 32 #endif 33 #include "migration/qjson.h" 34 35 typedef void SaveStateHandler(QEMUFile *f, void *opaque); 36 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); 37 38 typedef struct SaveVMHandlers { 39 /* This runs inside the iothread lock. */ 40 void (*set_params)(const MigrationParams *params, void * opaque); 41 SaveStateHandler *save_state; 42 43 void (*cleanup)(void *opaque); 44 int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque); 45 int (*save_live_complete_precopy)(QEMUFile *f, void *opaque); 46 47 /* This runs both outside and inside the iothread lock. */ 48 bool (*is_active)(void *opaque); 49 50 /* This runs outside the iothread lock in the migration case, and 51 * within the lock in the savevm case. The callback had better only 52 * use data that is local to the migration thread or protected 53 * by other locks. 54 */ 55 int (*save_live_iterate)(QEMUFile *f, void *opaque); 56 57 /* This runs outside the iothread lock! */ 58 int (*save_live_setup)(QEMUFile *f, void *opaque); 59 void (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size, 60 uint64_t *non_postcopiable_pending, 61 uint64_t *postcopiable_pending); 62 LoadStateHandler *load_state; 63 } SaveVMHandlers; 64 65 int register_savevm(DeviceState *dev, 66 const char *idstr, 67 int instance_id, 68 int version_id, 69 SaveStateHandler *save_state, 70 LoadStateHandler *load_state, 71 void *opaque); 72 73 int register_savevm_live(DeviceState *dev, 74 const char *idstr, 75 int instance_id, 76 int version_id, 77 SaveVMHandlers *ops, 78 void *opaque); 79 80 void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque); 81 82 typedef struct VMStateInfo VMStateInfo; 83 typedef struct VMStateDescription VMStateDescription; 84 85 struct VMStateInfo { 86 const char *name; 87 int (*get)(QEMUFile *f, void *pv, size_t size); 88 void (*put)(QEMUFile *f, void *pv, size_t size); 89 }; 90 91 enum VMStateFlags { 92 /* Ignored */ 93 VMS_SINGLE = 0x001, 94 95 /* The struct member at opaque + VMStateField.offset is a pointer 96 * to the actual field (e.g. struct a { uint8_t *b; 97 * }). Dereference the pointer before using it as basis for 98 * further pointer arithmetic (see e.g. VMS_ARRAY). Does not 99 * affect the meaning of VMStateField.num_offset or 100 * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for 101 * those. */ 102 VMS_POINTER = 0x002, 103 104 /* The field is an array of fixed size. VMStateField.num contains 105 * the number of entries in the array. The size of each entry is 106 * given by VMStateField.size and / or opaque + 107 * VMStateField.size_offset; see VMS_VBUFFER and 108 * VMS_MULTIPLY. Each array entry will be processed individually 109 * (VMStateField.info.get()/put() if VMS_STRUCT is not set, 110 * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not 111 * be combined with VMS_VARRAY*. */ 112 VMS_ARRAY = 0x004, 113 114 /* The field is itself a struct, containing one or more 115 * fields. Recurse into VMStateField.vmsd. Most useful in 116 * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each 117 * array entry. */ 118 VMS_STRUCT = 0x008, 119 120 /* The field is an array of variable size. The int32_t at opaque + 121 * VMStateField.num_offset contains the number of entries in the 122 * array. See the VMS_ARRAY description regarding array handling 123 * in general. May not be combined with VMS_ARRAY or any other 124 * VMS_VARRAY*. */ 125 VMS_VARRAY_INT32 = 0x010, 126 127 /* Ignored */ 128 VMS_BUFFER = 0x020, 129 130 /* The field is a (fixed-size or variable-size) array of pointers 131 * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry 132 * before using it. Note: Does not imply any one of VMS_ARRAY / 133 * VMS_VARRAY*; these need to be set explicitly. */ 134 VMS_ARRAY_OF_POINTER = 0x040, 135 136 /* The field is an array of variable size. The uint16_t at opaque 137 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 138 * contains the number of entries in the array. See the VMS_ARRAY 139 * description regarding array handling in general. May not be 140 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 141 VMS_VARRAY_UINT16 = 0x080, 142 143 /* The size of the individual entries (a single array entry if 144 * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if 145 * neither is set) is variable (i.e. not known at compile-time), 146 * but the same for all entries. Use the int32_t at opaque + 147 * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine 148 * the size of each (and every) entry. */ 149 VMS_VBUFFER = 0x100, 150 151 /* Multiply the entry size given by the int32_t at opaque + 152 * VMStateField.size_offset (see VMS_VBUFFER description) with 153 * VMStateField.size to determine the number of bytes to be 154 * allocated. Only valid in combination with VMS_VBUFFER. */ 155 VMS_MULTIPLY = 0x200, 156 157 /* The field is an array of variable size. The uint8_t at opaque + 158 * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 159 * contains the number of entries in the array. See the VMS_ARRAY 160 * description regarding array handling in general. May not be 161 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 162 VMS_VARRAY_UINT8 = 0x400, 163 164 /* The field is an array of variable size. The uint32_t at opaque 165 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 166 * contains the number of entries in the array. See the VMS_ARRAY 167 * description regarding array handling in general. May not be 168 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 169 VMS_VARRAY_UINT32 = 0x800, 170 171 /* Fail loading the serialised VM state if this field is missing 172 * from the input. */ 173 VMS_MUST_EXIST = 0x1000, 174 175 /* When loading serialised VM state, allocate memory for the 176 * (entire) field. Only valid in combination with 177 * VMS_POINTER. Note: Not all combinations with other flags are 178 * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't 179 * cause the individual entries to be allocated. */ 180 VMS_ALLOC = 0x2000, 181 182 /* Multiply the number of entries given by the integer at opaque + 183 * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num 184 * to determine the number of entries in the array. Only valid in 185 * combination with one of VMS_VARRAY*. */ 186 VMS_MULTIPLY_ELEMENTS = 0x4000, 187 }; 188 189 typedef struct { 190 const char *name; 191 size_t offset; 192 size_t size; 193 size_t start; 194 int num; 195 size_t num_offset; 196 size_t size_offset; 197 const VMStateInfo *info; 198 enum VMStateFlags flags; 199 const VMStateDescription *vmsd; 200 int version_id; 201 bool (*field_exists)(void *opaque, int version_id); 202 } VMStateField; 203 204 struct VMStateDescription { 205 const char *name; 206 int unmigratable; 207 int version_id; 208 int minimum_version_id; 209 int minimum_version_id_old; 210 LoadStateHandler *load_state_old; 211 int (*pre_load)(void *opaque); 212 int (*post_load)(void *opaque, int version_id); 213 void (*pre_save)(void *opaque); 214 bool (*needed)(void *opaque); 215 VMStateField *fields; 216 const VMStateDescription **subsections; 217 }; 218 219 extern const VMStateDescription vmstate_dummy; 220 221 extern const VMStateInfo vmstate_info_bool; 222 223 extern const VMStateInfo vmstate_info_int8; 224 extern const VMStateInfo vmstate_info_int16; 225 extern const VMStateInfo vmstate_info_int32; 226 extern const VMStateInfo vmstate_info_int64; 227 228 extern const VMStateInfo vmstate_info_uint8_equal; 229 extern const VMStateInfo vmstate_info_uint16_equal; 230 extern const VMStateInfo vmstate_info_int32_equal; 231 extern const VMStateInfo vmstate_info_uint32_equal; 232 extern const VMStateInfo vmstate_info_uint64_equal; 233 extern const VMStateInfo vmstate_info_int32_le; 234 235 extern const VMStateInfo vmstate_info_uint8; 236 extern const VMStateInfo vmstate_info_uint16; 237 extern const VMStateInfo vmstate_info_uint32; 238 extern const VMStateInfo vmstate_info_uint64; 239 240 extern const VMStateInfo vmstate_info_float64; 241 extern const VMStateInfo vmstate_info_cpudouble; 242 243 extern const VMStateInfo vmstate_info_timer; 244 extern const VMStateInfo vmstate_info_buffer; 245 extern const VMStateInfo vmstate_info_unused_buffer; 246 extern const VMStateInfo vmstate_info_bitmap; 247 248 #define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0) 249 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0) 250 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0) 251 252 #define vmstate_offset_value(_state, _field, _type) \ 253 (offsetof(_state, _field) + \ 254 type_check(_type, typeof_field(_state, _field))) 255 256 #define vmstate_offset_pointer(_state, _field, _type) \ 257 (offsetof(_state, _field) + \ 258 type_check_pointer(_type, typeof_field(_state, _field))) 259 260 #define vmstate_offset_array(_state, _field, _type, _num) \ 261 (offsetof(_state, _field) + \ 262 type_check_array(_type, typeof_field(_state, _field), _num)) 263 264 #define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \ 265 (offsetof(_state, _field) + \ 266 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2)) 267 268 #define vmstate_offset_sub_array(_state, _field, _type, _start) \ 269 vmstate_offset_value(_state, _field[_start], _type) 270 271 #define vmstate_offset_buffer(_state, _field) \ 272 vmstate_offset_array(_state, _field, uint8_t, \ 273 sizeof(typeof_field(_state, _field))) 274 275 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \ 276 .name = (stringify(_field)), \ 277 .version_id = (_version), \ 278 .field_exists = (_test), \ 279 .size = sizeof(_type), \ 280 .info = &(_info), \ 281 .flags = VMS_SINGLE, \ 282 .offset = vmstate_offset_value(_state, _field, _type), \ 283 } 284 285 /* Validate state using a boolean predicate. */ 286 #define VMSTATE_VALIDATE(_name, _test) { \ 287 .name = (_name), \ 288 .field_exists = (_test), \ 289 .flags = VMS_ARRAY | VMS_MUST_EXIST, \ 290 .num = 0, /* 0 elements: no data, only run _test */ \ 291 } 292 293 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \ 294 .name = (stringify(_field)), \ 295 .version_id = (_version), \ 296 .info = &(_info), \ 297 .size = sizeof(_type), \ 298 .flags = VMS_SINGLE|VMS_POINTER, \ 299 .offset = vmstate_offset_value(_state, _field, _type), \ 300 } 301 302 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \ 303 .name = (stringify(_field)), \ 304 .info = &(_info), \ 305 .field_exists = (_test), \ 306 .size = sizeof(_type), \ 307 .flags = VMS_SINGLE|VMS_POINTER, \ 308 .offset = vmstate_offset_value(_state, _field, _type), \ 309 } 310 311 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\ 312 .name = (stringify(_field)), \ 313 .version_id = (_version), \ 314 .num = (_num), \ 315 .info = &(_info), \ 316 .size = sizeof(_type), \ 317 .flags = VMS_ARRAY, \ 318 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 319 } 320 321 #define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \ 322 .name = (stringify(_field)), \ 323 .version_id = (_version), \ 324 .num = (_n1) * (_n2), \ 325 .info = &(_info), \ 326 .size = sizeof(_type), \ 327 .flags = VMS_ARRAY, \ 328 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \ 329 } 330 331 #define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \ 332 .name = (stringify(_field)), \ 333 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 334 .num = (_multiply), \ 335 .info = &(_info), \ 336 .size = sizeof(_type), \ 337 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \ 338 .offset = offsetof(_state, _field), \ 339 } 340 341 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\ 342 .name = (stringify(_field)), \ 343 .field_exists = (_test), \ 344 .num = (_num), \ 345 .info = &(_info), \ 346 .size = sizeof(_type), \ 347 .flags = VMS_ARRAY, \ 348 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 349 } 350 351 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \ 352 .name = (stringify(_field)), \ 353 .version_id = (_version), \ 354 .num = (_num), \ 355 .info = &(_info), \ 356 .size = sizeof(_type), \ 357 .flags = VMS_ARRAY, \ 358 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 359 } 360 361 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\ 362 .name = (stringify(_field)), \ 363 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 364 .info = &(_info), \ 365 .size = sizeof(_type), \ 366 .flags = VMS_VARRAY_INT32, \ 367 .offset = offsetof(_state, _field), \ 368 } 369 370 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\ 371 .name = (stringify(_field)), \ 372 .version_id = (_version), \ 373 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 374 .info = &(_info), \ 375 .size = sizeof(_type), \ 376 .flags = VMS_VARRAY_INT32|VMS_POINTER, \ 377 .offset = vmstate_offset_pointer(_state, _field, _type), \ 378 } 379 380 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\ 381 .name = (stringify(_field)), \ 382 .version_id = (_version), \ 383 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 384 .info = &(_info), \ 385 .size = sizeof(_type), \ 386 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \ 387 .offset = vmstate_offset_pointer(_state, _field, _type), \ 388 } 389 390 #define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\ 391 .name = (stringify(_field)), \ 392 .version_id = (_version), \ 393 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 394 .info = &(_info), \ 395 .size = sizeof(_type), \ 396 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \ 397 .offset = vmstate_offset_pointer(_state, _field, _type), \ 398 } 399 400 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\ 401 .name = (stringify(_field)), \ 402 .version_id = (_version), \ 403 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 404 .info = &(_info), \ 405 .size = sizeof(_type), \ 406 .flags = VMS_VARRAY_UINT16, \ 407 .offset = offsetof(_state, _field), \ 408 } 409 410 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \ 411 .name = (stringify(_field)), \ 412 .version_id = (_version), \ 413 .field_exists = (_test), \ 414 .vmsd = &(_vmsd), \ 415 .size = sizeof(_type), \ 416 .flags = VMS_STRUCT, \ 417 .offset = vmstate_offset_value(_state, _field, _type), \ 418 } 419 420 #define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \ 421 .name = (stringify(_field)), \ 422 .version_id = (_version), \ 423 .vmsd = &(_vmsd), \ 424 .size = sizeof(_type *), \ 425 .flags = VMS_STRUCT|VMS_POINTER, \ 426 .offset = vmstate_offset_pointer(_state, _field, _type), \ 427 } 428 429 #define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \ 430 .name = (stringify(_field)), \ 431 .version_id = (_version), \ 432 .field_exists = (_test), \ 433 .vmsd = &(_vmsd), \ 434 .size = sizeof(_type *), \ 435 .flags = VMS_STRUCT|VMS_POINTER, \ 436 .offset = vmstate_offset_pointer(_state, _field, _type), \ 437 } 438 439 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\ 440 .name = (stringify(_field)), \ 441 .version_id = (_version), \ 442 .num = (_num), \ 443 .info = &(_info), \ 444 .size = sizeof(_type), \ 445 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \ 446 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 447 } 448 449 #define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \ 450 .name = (stringify(_f)), \ 451 .version_id = (_v), \ 452 .num = (_n), \ 453 .vmsd = &(_vmsd), \ 454 .size = sizeof(_type *), \ 455 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \ 456 .offset = vmstate_offset_array(_s, _f, _type*, _n), \ 457 } 458 459 #define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \ 460 .name = (stringify(_field)), \ 461 .version_id = (_version), \ 462 .num = (_num), \ 463 .vmsd = &(_vmsd), \ 464 .size = sizeof(_type), \ 465 .flags = VMS_STRUCT|VMS_ARRAY, \ 466 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 467 } 468 469 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \ 470 .name = (stringify(_field)), \ 471 .num = (_num), \ 472 .field_exists = (_test), \ 473 .version_id = (_version), \ 474 .vmsd = &(_vmsd), \ 475 .size = sizeof(_type), \ 476 .flags = VMS_STRUCT|VMS_ARRAY, \ 477 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 478 } 479 480 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ 481 .name = (stringify(_field)), \ 482 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ 483 .version_id = (_version), \ 484 .vmsd = &(_vmsd), \ 485 .size = sizeof(_type), \ 486 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \ 487 .offset = offsetof(_state, _field), \ 488 } 489 490 /* a variable length array (i.e. _type *_field) but we know the 491 * length 492 */ 493 #define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \ 494 .name = (stringify(_field)), \ 495 .num = (_num), \ 496 .version_id = (_version), \ 497 .vmsd = &(_vmsd), \ 498 .size = sizeof(_type), \ 499 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \ 500 .offset = offsetof(_state, _field), \ 501 } 502 503 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \ 504 .name = (stringify(_field)), \ 505 .version_id = 0, \ 506 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 507 .size = sizeof(_type), \ 508 .vmsd = &(_vmsd), \ 509 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 510 .offset = vmstate_offset_pointer(_state, _field, _type), \ 511 } 512 513 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \ 514 .name = (stringify(_field)), \ 515 .version_id = 0, \ 516 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 517 .size = sizeof(_type), \ 518 .vmsd = &(_vmsd), \ 519 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 520 .offset = vmstate_offset_pointer(_state, _field, _type), \ 521 } 522 523 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \ 524 .name = (stringify(_field)), \ 525 .version_id = 0, \ 526 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 527 .size = sizeof(_type), \ 528 .vmsd = &(_vmsd), \ 529 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \ 530 .offset = vmstate_offset_pointer(_state, _field, _type), \ 531 } 532 533 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 534 .name = (stringify(_field)), \ 535 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 536 .version_id = (_version), \ 537 .vmsd = &(_vmsd), \ 538 .size = sizeof(_type), \ 539 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \ 540 .offset = offsetof(_state, _field), \ 541 } 542 543 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 544 .name = (stringify(_field)), \ 545 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ 546 .version_id = (_version), \ 547 .vmsd = &(_vmsd), \ 548 .size = sizeof(_type), \ 549 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \ 550 .offset = offsetof(_state, _field), \ 551 } 552 553 #define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\ 554 .name = (stringify(_field)), \ 555 .version_id = (_version), \ 556 .vmsd = &(_vmsd), \ 557 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 558 .size = sizeof(_type), \ 559 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \ 560 .offset = vmstate_offset_pointer(_state, _field, _type), \ 561 } 562 563 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \ 564 .name = (stringify(_field)), \ 565 .version_id = (_version), \ 566 .field_exists = (_test), \ 567 .size = (_size - _start), \ 568 .info = &vmstate_info_buffer, \ 569 .flags = VMS_BUFFER, \ 570 .offset = vmstate_offset_buffer(_state, _field) + _start, \ 571 } 572 573 #define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \ 574 .name = (stringify(_field)), \ 575 .version_id = (_version), \ 576 .field_exists = (_test), \ 577 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 578 .size = (_multiply), \ 579 .info = &vmstate_info_buffer, \ 580 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \ 581 .offset = offsetof(_state, _field), \ 582 .start = (_start), \ 583 } 584 585 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \ 586 .name = (stringify(_field)), \ 587 .version_id = (_version), \ 588 .field_exists = (_test), \ 589 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 590 .info = &vmstate_info_buffer, \ 591 .flags = VMS_VBUFFER|VMS_POINTER, \ 592 .offset = offsetof(_state, _field), \ 593 .start = (_start), \ 594 } 595 596 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \ 597 .name = (stringify(_field)), \ 598 .version_id = (_version), \ 599 .field_exists = (_test), \ 600 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 601 .info = &vmstate_info_buffer, \ 602 .flags = VMS_VBUFFER|VMS_POINTER, \ 603 .offset = offsetof(_state, _field), \ 604 .start = (_start), \ 605 } 606 607 #define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, _test, _start, _field_size) { \ 608 .name = (stringify(_field)), \ 609 .version_id = (_version), \ 610 .field_exists = (_test), \ 611 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 612 .info = &vmstate_info_buffer, \ 613 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \ 614 .offset = offsetof(_state, _field), \ 615 .start = (_start), \ 616 } 617 618 #define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \ 619 .name = (stringify(_field)), \ 620 .version_id = (_version), \ 621 .field_exists = (_test), \ 622 .size = (_size), \ 623 .info = &(_info), \ 624 .flags = VMS_BUFFER, \ 625 .offset = offsetof(_state, _field), \ 626 } 627 628 #define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ 629 .name = (stringify(_field)), \ 630 .version_id = (_version), \ 631 .size = (_size), \ 632 .info = &vmstate_info_buffer, \ 633 .flags = VMS_BUFFER|VMS_POINTER, \ 634 .offset = offsetof(_state, _field), \ 635 } 636 637 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \ 638 .name = "unused", \ 639 .field_exists = (_test), \ 640 .version_id = (_version), \ 641 .size = (_size), \ 642 .info = &vmstate_info_unused_buffer, \ 643 .flags = VMS_BUFFER, \ 644 } 645 646 /* _field_size should be a int32_t field in the _state struct giving the 647 * size of the bitmap _field in bits. 648 */ 649 #define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ 650 .name = (stringify(_field)), \ 651 .version_id = (_version), \ 652 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 653 .info = &vmstate_info_bitmap, \ 654 .flags = VMS_VBUFFER|VMS_POINTER, \ 655 .offset = offsetof(_state, _field), \ 656 } 657 658 /* _f : field name 659 _f_n : num of elements field_name 660 _n : num of elements 661 _s : struct state name 662 _v : version 663 */ 664 665 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \ 666 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type) 667 668 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \ 669 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type) 670 671 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \ 672 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type) 673 674 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \ 675 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type) 676 677 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \ 678 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \ 679 _vmsd, _type) 680 681 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \ 682 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \ 683 _size) 684 685 #define VMSTATE_BOOL_V(_f, _s, _v) \ 686 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool) 687 688 #define VMSTATE_INT8_V(_f, _s, _v) \ 689 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t) 690 #define VMSTATE_INT16_V(_f, _s, _v) \ 691 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t) 692 #define VMSTATE_INT32_V(_f, _s, _v) \ 693 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t) 694 #define VMSTATE_INT64_V(_f, _s, _v) \ 695 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t) 696 697 #define VMSTATE_UINT8_V(_f, _s, _v) \ 698 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t) 699 #define VMSTATE_UINT16_V(_f, _s, _v) \ 700 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t) 701 #define VMSTATE_UINT32_V(_f, _s, _v) \ 702 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t) 703 #define VMSTATE_UINT64_V(_f, _s, _v) \ 704 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t) 705 706 #define VMSTATE_BOOL(_f, _s) \ 707 VMSTATE_BOOL_V(_f, _s, 0) 708 709 #define VMSTATE_INT8(_f, _s) \ 710 VMSTATE_INT8_V(_f, _s, 0) 711 #define VMSTATE_INT16(_f, _s) \ 712 VMSTATE_INT16_V(_f, _s, 0) 713 #define VMSTATE_INT32(_f, _s) \ 714 VMSTATE_INT32_V(_f, _s, 0) 715 #define VMSTATE_INT64(_f, _s) \ 716 VMSTATE_INT64_V(_f, _s, 0) 717 718 #define VMSTATE_UINT8(_f, _s) \ 719 VMSTATE_UINT8_V(_f, _s, 0) 720 #define VMSTATE_UINT16(_f, _s) \ 721 VMSTATE_UINT16_V(_f, _s, 0) 722 #define VMSTATE_UINT32(_f, _s) \ 723 VMSTATE_UINT32_V(_f, _s, 0) 724 #define VMSTATE_UINT64(_f, _s) \ 725 VMSTATE_UINT64_V(_f, _s, 0) 726 727 #define VMSTATE_UINT8_EQUAL(_f, _s) \ 728 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t) 729 730 #define VMSTATE_UINT16_EQUAL(_f, _s) \ 731 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t) 732 733 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \ 734 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t) 735 736 #define VMSTATE_INT32_EQUAL(_f, _s) \ 737 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t) 738 739 #define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \ 740 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t) 741 742 #define VMSTATE_UINT32_EQUAL(_f, _s) \ 743 VMSTATE_UINT32_EQUAL_V(_f, _s, 0) 744 745 #define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \ 746 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t) 747 748 #define VMSTATE_UINT64_EQUAL(_f, _s) \ 749 VMSTATE_UINT64_EQUAL_V(_f, _s, 0) 750 751 #define VMSTATE_INT32_POSITIVE_LE(_f, _s) \ 752 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) 753 754 #define VMSTATE_INT8_TEST(_f, _s, _t) \ 755 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t) 756 757 #define VMSTATE_INT16_TEST(_f, _s, _t) \ 758 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t) 759 760 #define VMSTATE_INT32_TEST(_f, _s, _t) \ 761 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t) 762 763 #define VMSTATE_INT64_TEST(_f, _s, _t) \ 764 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t) 765 766 #define VMSTATE_UINT8_TEST(_f, _s, _t) \ 767 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t) 768 769 #define VMSTATE_UINT16_TEST(_f, _s, _t) \ 770 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t) 771 772 #define VMSTATE_UINT32_TEST(_f, _s, _t) \ 773 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) 774 775 #define VMSTATE_UINT64_TEST(_f, _s, _t) \ 776 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t) 777 778 779 #define VMSTATE_FLOAT64_V(_f, _s, _v) \ 780 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) 781 782 #define VMSTATE_FLOAT64(_f, _s) \ 783 VMSTATE_FLOAT64_V(_f, _s, 0) 784 785 #define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \ 786 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) 787 788 #define VMSTATE_TIMER_PTR_V(_f, _s, _v) \ 789 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) 790 791 #define VMSTATE_TIMER_PTR(_f, _s) \ 792 VMSTATE_TIMER_PTR_V(_f, _s, 0) 793 794 #define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \ 795 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) 796 797 #define VMSTATE_TIMER_TEST(_f, _s, _test) \ 798 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer) 799 800 #define VMSTATE_TIMER_V(_f, _s, _v) \ 801 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer) 802 803 #define VMSTATE_TIMER(_f, _s) \ 804 VMSTATE_TIMER_V(_f, _s, 0) 805 806 #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ 807 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer) 808 809 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \ 810 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool) 811 812 #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \ 813 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0) 814 815 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \ 816 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t) 817 818 #define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 819 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) 820 821 #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ 822 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) 823 824 #define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ 825 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) 826 827 #define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 828 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) 829 830 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \ 831 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t) 832 833 #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \ 834 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0) 835 836 #define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \ 837 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t) 838 839 #define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ 840 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) 841 842 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ 843 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) 844 845 #define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 846 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t) 847 848 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ 849 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) 850 851 #define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \ 852 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0) 853 854 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \ 855 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t) 856 857 #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \ 858 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0) 859 860 #define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \ 861 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0) 862 863 #define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 864 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t) 865 866 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \ 867 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t) 868 869 #define VMSTATE_INT16_ARRAY(_f, _s, _n) \ 870 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0) 871 872 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \ 873 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t) 874 875 #define VMSTATE_INT32_ARRAY(_f, _s, _n) \ 876 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0) 877 878 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \ 879 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t) 880 881 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \ 882 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t) 883 884 #define VMSTATE_INT64_ARRAY(_f, _s, _n) \ 885 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) 886 887 #define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ 888 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) 889 890 #define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ 891 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) 892 893 #define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \ 894 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU) 895 896 #define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \ 897 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0) 898 899 #define VMSTATE_BUFFER_V(_f, _s, _v) \ 900 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) 901 902 #define VMSTATE_BUFFER(_f, _s) \ 903 VMSTATE_BUFFER_V(_f, _s, 0) 904 905 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \ 906 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size) 907 908 #define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \ 909 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f))) 910 911 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \ 912 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0) 913 914 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \ 915 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size) 916 917 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \ 918 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size) 919 920 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \ 921 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size) 922 923 #define VMSTATE_BUFFER_TEST(_f, _s, _test) \ 924 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f))) 925 926 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \ 927 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size) 928 929 #define VMSTATE_UNUSED_V(_v, _size) \ 930 VMSTATE_UNUSED_BUFFER(NULL, _v, _size) 931 932 #define VMSTATE_UNUSED(_size) \ 933 VMSTATE_UNUSED_V(0, _size) 934 935 #define VMSTATE_UNUSED_TEST(_test, _size) \ 936 VMSTATE_UNUSED_BUFFER(_test, 0, _size) 937 938 #define VMSTATE_END_OF_LIST() \ 939 {} 940 941 #define SELF_ANNOUNCE_ROUNDS 5 942 943 void loadvm_free_handlers(MigrationIncomingState *mis); 944 945 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, 946 void *opaque, int version_id); 947 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, 948 void *opaque, QJSON *vmdesc); 949 950 bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque); 951 952 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, 953 const VMStateDescription *vmsd, 954 void *base, int alias_id, 955 int required_for_version); 956 957 static inline int vmstate_register(DeviceState *dev, int instance_id, 958 const VMStateDescription *vmsd, 959 void *opaque) 960 { 961 return vmstate_register_with_alias_id(dev, instance_id, vmsd, 962 opaque, -1, 0); 963 } 964 965 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd, 966 void *opaque); 967 968 struct MemoryRegion; 969 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); 970 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); 971 void vmstate_register_ram_global(struct MemoryRegion *memory); 972 973 static inline 974 int64_t self_announce_delay(int round) 975 { 976 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0); 977 /* delay 50ms, 150ms, 250ms, ... */ 978 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100; 979 } 980 981 void dump_vmstate_json_to_file(FILE *out_fp); 982 983 #endif 984