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 typedef struct VMStateField VMStateField; 85 86 /* VMStateInfo allows customized migration of objects that don't fit in 87 * any category in VMStateFlags. Additional information is always passed 88 * into get and put in terms of field and vmdesc parameters. However 89 * these two parameters should only be used in cases when customized 90 * handling is needed, such as QTAILQ. For primitive data types such as 91 * integer, field and vmdesc parameters should be ignored inside get/put. 92 */ 93 struct VMStateInfo { 94 const char *name; 95 int (*get)(QEMUFile *f, void *pv, size_t size, VMStateField *field); 96 int (*put)(QEMUFile *f, void *pv, size_t size, VMStateField *field, 97 QJSON *vmdesc); 98 }; 99 100 enum VMStateFlags { 101 /* Ignored */ 102 VMS_SINGLE = 0x001, 103 104 /* The struct member at opaque + VMStateField.offset is a pointer 105 * to the actual field (e.g. struct a { uint8_t *b; 106 * }). Dereference the pointer before using it as basis for 107 * further pointer arithmetic (see e.g. VMS_ARRAY). Does not 108 * affect the meaning of VMStateField.num_offset or 109 * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for 110 * those. */ 111 VMS_POINTER = 0x002, 112 113 /* The field is an array of fixed size. VMStateField.num contains 114 * the number of entries in the array. The size of each entry is 115 * given by VMStateField.size and / or opaque + 116 * VMStateField.size_offset; see VMS_VBUFFER and 117 * VMS_MULTIPLY. Each array entry will be processed individually 118 * (VMStateField.info.get()/put() if VMS_STRUCT is not set, 119 * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not 120 * be combined with VMS_VARRAY*. */ 121 VMS_ARRAY = 0x004, 122 123 /* The field is itself a struct, containing one or more 124 * fields. Recurse into VMStateField.vmsd. Most useful in 125 * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each 126 * array entry. */ 127 VMS_STRUCT = 0x008, 128 129 /* The field is an array of variable size. The int32_t at opaque + 130 * VMStateField.num_offset contains the number of entries in the 131 * array. See the VMS_ARRAY description regarding array handling 132 * in general. May not be combined with VMS_ARRAY or any other 133 * VMS_VARRAY*. */ 134 VMS_VARRAY_INT32 = 0x010, 135 136 /* Ignored */ 137 VMS_BUFFER = 0x020, 138 139 /* The field is a (fixed-size or variable-size) array of pointers 140 * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry 141 * before using it. Note: Does not imply any one of VMS_ARRAY / 142 * VMS_VARRAY*; these need to be set explicitly. */ 143 VMS_ARRAY_OF_POINTER = 0x040, 144 145 /* The field is an array of variable size. The uint16_t at opaque 146 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 147 * contains the number of entries in the array. See the VMS_ARRAY 148 * description regarding array handling in general. May not be 149 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 150 VMS_VARRAY_UINT16 = 0x080, 151 152 /* The size of the individual entries (a single array entry if 153 * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if 154 * neither is set) is variable (i.e. not known at compile-time), 155 * but the same for all entries. Use the int32_t at opaque + 156 * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine 157 * the size of each (and every) entry. */ 158 VMS_VBUFFER = 0x100, 159 160 /* Multiply the entry size given by the int32_t at opaque + 161 * VMStateField.size_offset (see VMS_VBUFFER description) with 162 * VMStateField.size to determine the number of bytes to be 163 * allocated. Only valid in combination with VMS_VBUFFER. */ 164 VMS_MULTIPLY = 0x200, 165 166 /* The field is an array of variable size. The uint8_t at opaque + 167 * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 168 * contains the number of entries in the array. See the VMS_ARRAY 169 * description regarding array handling in general. May not be 170 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 171 VMS_VARRAY_UINT8 = 0x400, 172 173 /* The field is an array of variable size. The uint32_t at opaque 174 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 175 * contains the number of entries in the array. See the VMS_ARRAY 176 * description regarding array handling in general. May not be 177 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 178 VMS_VARRAY_UINT32 = 0x800, 179 180 /* Fail loading the serialised VM state if this field is missing 181 * from the input. */ 182 VMS_MUST_EXIST = 0x1000, 183 184 /* When loading serialised VM state, allocate memory for the 185 * (entire) field. Only valid in combination with 186 * VMS_POINTER. Note: Not all combinations with other flags are 187 * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't 188 * cause the individual entries to be allocated. */ 189 VMS_ALLOC = 0x2000, 190 191 /* Multiply the number of entries given by the integer at opaque + 192 * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num 193 * to determine the number of entries in the array. Only valid in 194 * combination with one of VMS_VARRAY*. */ 195 VMS_MULTIPLY_ELEMENTS = 0x4000, 196 }; 197 198 typedef enum { 199 MIG_PRI_DEFAULT = 0, 200 MIG_PRI_IOMMU, /* Must happen before PCI devices */ 201 MIG_PRI_MAX, 202 } MigrationPriority; 203 204 struct VMStateField { 205 const char *name; 206 size_t offset; 207 size_t size; 208 size_t start; 209 int num; 210 size_t num_offset; 211 size_t size_offset; 212 const VMStateInfo *info; 213 enum VMStateFlags flags; 214 const VMStateDescription *vmsd; 215 int version_id; 216 bool (*field_exists)(void *opaque, int version_id); 217 }; 218 219 struct VMStateDescription { 220 const char *name; 221 int unmigratable; 222 int version_id; 223 int minimum_version_id; 224 int minimum_version_id_old; 225 MigrationPriority priority; 226 LoadStateHandler *load_state_old; 227 int (*pre_load)(void *opaque); 228 int (*post_load)(void *opaque, int version_id); 229 void (*pre_save)(void *opaque); 230 bool (*needed)(void *opaque); 231 VMStateField *fields; 232 const VMStateDescription **subsections; 233 }; 234 235 extern const VMStateDescription vmstate_dummy; 236 237 extern const VMStateInfo vmstate_info_bool; 238 239 extern const VMStateInfo vmstate_info_int8; 240 extern const VMStateInfo vmstate_info_int16; 241 extern const VMStateInfo vmstate_info_int32; 242 extern const VMStateInfo vmstate_info_int64; 243 244 extern const VMStateInfo vmstate_info_uint8_equal; 245 extern const VMStateInfo vmstate_info_uint16_equal; 246 extern const VMStateInfo vmstate_info_int32_equal; 247 extern const VMStateInfo vmstate_info_uint32_equal; 248 extern const VMStateInfo vmstate_info_uint64_equal; 249 extern const VMStateInfo vmstate_info_int32_le; 250 251 extern const VMStateInfo vmstate_info_uint8; 252 extern const VMStateInfo vmstate_info_uint16; 253 extern const VMStateInfo vmstate_info_uint32; 254 extern const VMStateInfo vmstate_info_uint64; 255 256 extern const VMStateInfo vmstate_info_float64; 257 extern const VMStateInfo vmstate_info_cpudouble; 258 259 extern const VMStateInfo vmstate_info_timer; 260 extern const VMStateInfo vmstate_info_buffer; 261 extern const VMStateInfo vmstate_info_unused_buffer; 262 extern const VMStateInfo vmstate_info_bitmap; 263 264 #define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0) 265 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0) 266 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0) 267 268 #define vmstate_offset_value(_state, _field, _type) \ 269 (offsetof(_state, _field) + \ 270 type_check(_type, typeof_field(_state, _field))) 271 272 #define vmstate_offset_pointer(_state, _field, _type) \ 273 (offsetof(_state, _field) + \ 274 type_check_pointer(_type, typeof_field(_state, _field))) 275 276 #define vmstate_offset_array(_state, _field, _type, _num) \ 277 (offsetof(_state, _field) + \ 278 type_check_array(_type, typeof_field(_state, _field), _num)) 279 280 #define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \ 281 (offsetof(_state, _field) + \ 282 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2)) 283 284 #define vmstate_offset_sub_array(_state, _field, _type, _start) \ 285 vmstate_offset_value(_state, _field[_start], _type) 286 287 #define vmstate_offset_buffer(_state, _field) \ 288 vmstate_offset_array(_state, _field, uint8_t, \ 289 sizeof(typeof_field(_state, _field))) 290 291 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \ 292 .name = (stringify(_field)), \ 293 .version_id = (_version), \ 294 .field_exists = (_test), \ 295 .size = sizeof(_type), \ 296 .info = &(_info), \ 297 .flags = VMS_SINGLE, \ 298 .offset = vmstate_offset_value(_state, _field, _type), \ 299 } 300 301 /* Validate state using a boolean predicate. */ 302 #define VMSTATE_VALIDATE(_name, _test) { \ 303 .name = (_name), \ 304 .field_exists = (_test), \ 305 .flags = VMS_ARRAY | VMS_MUST_EXIST, \ 306 .num = 0, /* 0 elements: no data, only run _test */ \ 307 } 308 309 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \ 310 .name = (stringify(_field)), \ 311 .version_id = (_version), \ 312 .info = &(_info), \ 313 .size = sizeof(_type), \ 314 .flags = VMS_SINGLE|VMS_POINTER, \ 315 .offset = vmstate_offset_value(_state, _field, _type), \ 316 } 317 318 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \ 319 .name = (stringify(_field)), \ 320 .info = &(_info), \ 321 .field_exists = (_test), \ 322 .size = sizeof(_type), \ 323 .flags = VMS_SINGLE|VMS_POINTER, \ 324 .offset = vmstate_offset_value(_state, _field, _type), \ 325 } 326 327 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\ 328 .name = (stringify(_field)), \ 329 .version_id = (_version), \ 330 .num = (_num), \ 331 .info = &(_info), \ 332 .size = sizeof(_type), \ 333 .flags = VMS_ARRAY, \ 334 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 335 } 336 337 #define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \ 338 .name = (stringify(_field)), \ 339 .version_id = (_version), \ 340 .num = (_n1) * (_n2), \ 341 .info = &(_info), \ 342 .size = sizeof(_type), \ 343 .flags = VMS_ARRAY, \ 344 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \ 345 } 346 347 #define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \ 348 .name = (stringify(_field)), \ 349 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 350 .num = (_multiply), \ 351 .info = &(_info), \ 352 .size = sizeof(_type), \ 353 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \ 354 .offset = offsetof(_state, _field), \ 355 } 356 357 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\ 358 .name = (stringify(_field)), \ 359 .field_exists = (_test), \ 360 .num = (_num), \ 361 .info = &(_info), \ 362 .size = sizeof(_type), \ 363 .flags = VMS_ARRAY, \ 364 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 365 } 366 367 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \ 368 .name = (stringify(_field)), \ 369 .version_id = (_version), \ 370 .num = (_num), \ 371 .info = &(_info), \ 372 .size = sizeof(_type), \ 373 .flags = VMS_ARRAY, \ 374 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 375 } 376 377 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\ 378 .name = (stringify(_field)), \ 379 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 380 .info = &(_info), \ 381 .size = sizeof(_type), \ 382 .flags = VMS_VARRAY_INT32, \ 383 .offset = offsetof(_state, _field), \ 384 } 385 386 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\ 387 .name = (stringify(_field)), \ 388 .version_id = (_version), \ 389 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 390 .info = &(_info), \ 391 .size = sizeof(_type), \ 392 .flags = VMS_VARRAY_INT32|VMS_POINTER, \ 393 .offset = vmstate_offset_pointer(_state, _field, _type), \ 394 } 395 396 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\ 397 .name = (stringify(_field)), \ 398 .version_id = (_version), \ 399 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 400 .info = &(_info), \ 401 .size = sizeof(_type), \ 402 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \ 403 .offset = vmstate_offset_pointer(_state, _field, _type), \ 404 } 405 406 #define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\ 407 .name = (stringify(_field)), \ 408 .version_id = (_version), \ 409 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 410 .info = &(_info), \ 411 .size = sizeof(_type), \ 412 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \ 413 .offset = vmstate_offset_pointer(_state, _field, _type), \ 414 } 415 416 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\ 417 .name = (stringify(_field)), \ 418 .version_id = (_version), \ 419 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 420 .info = &(_info), \ 421 .size = sizeof(_type), \ 422 .flags = VMS_VARRAY_UINT16, \ 423 .offset = offsetof(_state, _field), \ 424 } 425 426 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \ 427 .name = (stringify(_field)), \ 428 .version_id = (_version), \ 429 .field_exists = (_test), \ 430 .vmsd = &(_vmsd), \ 431 .size = sizeof(_type), \ 432 .flags = VMS_STRUCT, \ 433 .offset = vmstate_offset_value(_state, _field, _type), \ 434 } 435 436 #define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \ 437 .name = (stringify(_field)), \ 438 .version_id = (_version), \ 439 .vmsd = &(_vmsd), \ 440 .size = sizeof(_type *), \ 441 .flags = VMS_STRUCT|VMS_POINTER, \ 442 .offset = vmstate_offset_pointer(_state, _field, _type), \ 443 } 444 445 #define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \ 446 .name = (stringify(_field)), \ 447 .version_id = (_version), \ 448 .field_exists = (_test), \ 449 .vmsd = &(_vmsd), \ 450 .size = sizeof(_type *), \ 451 .flags = VMS_STRUCT|VMS_POINTER, \ 452 .offset = vmstate_offset_pointer(_state, _field, _type), \ 453 } 454 455 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\ 456 .name = (stringify(_field)), \ 457 .version_id = (_version), \ 458 .num = (_num), \ 459 .info = &(_info), \ 460 .size = sizeof(_type), \ 461 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \ 462 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 463 } 464 465 #define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \ 466 .name = (stringify(_f)), \ 467 .version_id = (_v), \ 468 .num = (_n), \ 469 .vmsd = &(_vmsd), \ 470 .size = sizeof(_type *), \ 471 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \ 472 .offset = vmstate_offset_array(_s, _f, _type*, _n), \ 473 } 474 475 #define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \ 476 .name = (stringify(_field)), \ 477 .version_id = (_version), \ 478 .num = (_num), \ 479 .vmsd = &(_vmsd), \ 480 .size = sizeof(_type), \ 481 .flags = VMS_STRUCT|VMS_ARRAY, \ 482 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 483 } 484 485 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \ 486 .name = (stringify(_field)), \ 487 .num = (_num), \ 488 .field_exists = (_test), \ 489 .version_id = (_version), \ 490 .vmsd = &(_vmsd), \ 491 .size = sizeof(_type), \ 492 .flags = VMS_STRUCT|VMS_ARRAY, \ 493 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 494 } 495 496 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ 497 .name = (stringify(_field)), \ 498 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ 499 .version_id = (_version), \ 500 .vmsd = &(_vmsd), \ 501 .size = sizeof(_type), \ 502 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \ 503 .offset = offsetof(_state, _field), \ 504 } 505 506 /* a variable length array (i.e. _type *_field) but we know the 507 * length 508 */ 509 #define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \ 510 .name = (stringify(_field)), \ 511 .num = (_num), \ 512 .version_id = (_version), \ 513 .vmsd = &(_vmsd), \ 514 .size = sizeof(_type), \ 515 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \ 516 .offset = offsetof(_state, _field), \ 517 } 518 519 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \ 520 .name = (stringify(_field)), \ 521 .version_id = 0, \ 522 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 523 .size = sizeof(_type), \ 524 .vmsd = &(_vmsd), \ 525 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 526 .offset = vmstate_offset_pointer(_state, _field, _type), \ 527 } 528 529 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \ 530 .name = (stringify(_field)), \ 531 .version_id = 0, \ 532 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 533 .size = sizeof(_type), \ 534 .vmsd = &(_vmsd), \ 535 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 536 .offset = vmstate_offset_pointer(_state, _field, _type), \ 537 } 538 539 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \ 540 .name = (stringify(_field)), \ 541 .version_id = 0, \ 542 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 543 .size = sizeof(_type), \ 544 .vmsd = &(_vmsd), \ 545 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \ 546 .offset = vmstate_offset_pointer(_state, _field, _type), \ 547 } 548 549 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 550 .name = (stringify(_field)), \ 551 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 552 .version_id = (_version), \ 553 .vmsd = &(_vmsd), \ 554 .size = sizeof(_type), \ 555 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \ 556 .offset = offsetof(_state, _field), \ 557 } 558 559 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 560 .name = (stringify(_field)), \ 561 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ 562 .version_id = (_version), \ 563 .vmsd = &(_vmsd), \ 564 .size = sizeof(_type), \ 565 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \ 566 .offset = offsetof(_state, _field), \ 567 } 568 569 #define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\ 570 .name = (stringify(_field)), \ 571 .version_id = (_version), \ 572 .vmsd = &(_vmsd), \ 573 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 574 .size = sizeof(_type), \ 575 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \ 576 .offset = vmstate_offset_pointer(_state, _field, _type), \ 577 } 578 579 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \ 580 .name = (stringify(_field)), \ 581 .version_id = (_version), \ 582 .field_exists = (_test), \ 583 .size = (_size - _start), \ 584 .info = &vmstate_info_buffer, \ 585 .flags = VMS_BUFFER, \ 586 .offset = vmstate_offset_buffer(_state, _field) + _start, \ 587 } 588 589 #define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \ 590 .name = (stringify(_field)), \ 591 .version_id = (_version), \ 592 .field_exists = (_test), \ 593 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 594 .size = (_multiply), \ 595 .info = &vmstate_info_buffer, \ 596 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \ 597 .offset = offsetof(_state, _field), \ 598 .start = (_start), \ 599 } 600 601 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \ 602 .name = (stringify(_field)), \ 603 .version_id = (_version), \ 604 .field_exists = (_test), \ 605 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 606 .info = &vmstate_info_buffer, \ 607 .flags = VMS_VBUFFER|VMS_POINTER, \ 608 .offset = offsetof(_state, _field), \ 609 .start = (_start), \ 610 } 611 612 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \ 613 .name = (stringify(_field)), \ 614 .version_id = (_version), \ 615 .field_exists = (_test), \ 616 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 617 .info = &vmstate_info_buffer, \ 618 .flags = VMS_VBUFFER|VMS_POINTER, \ 619 .offset = offsetof(_state, _field), \ 620 .start = (_start), \ 621 } 622 623 #define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, _test, _start, _field_size) { \ 624 .name = (stringify(_field)), \ 625 .version_id = (_version), \ 626 .field_exists = (_test), \ 627 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 628 .info = &vmstate_info_buffer, \ 629 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \ 630 .offset = offsetof(_state, _field), \ 631 .start = (_start), \ 632 } 633 634 #define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \ 635 .name = (stringify(_field)), \ 636 .version_id = (_version), \ 637 .field_exists = (_test), \ 638 .size = (_size), \ 639 .info = &(_info), \ 640 .flags = VMS_BUFFER, \ 641 .offset = offsetof(_state, _field), \ 642 } 643 644 #define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ 645 .name = (stringify(_field)), \ 646 .version_id = (_version), \ 647 .size = (_size), \ 648 .info = &vmstate_info_buffer, \ 649 .flags = VMS_BUFFER|VMS_POINTER, \ 650 .offset = offsetof(_state, _field), \ 651 } 652 653 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \ 654 .name = "unused", \ 655 .field_exists = (_test), \ 656 .version_id = (_version), \ 657 .size = (_size), \ 658 .info = &vmstate_info_unused_buffer, \ 659 .flags = VMS_BUFFER, \ 660 } 661 662 /* _field_size should be a int32_t field in the _state struct giving the 663 * size of the bitmap _field in bits. 664 */ 665 #define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ 666 .name = (stringify(_field)), \ 667 .version_id = (_version), \ 668 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 669 .info = &vmstate_info_bitmap, \ 670 .flags = VMS_VBUFFER|VMS_POINTER, \ 671 .offset = offsetof(_state, _field), \ 672 } 673 674 /* _f : field name 675 _f_n : num of elements field_name 676 _n : num of elements 677 _s : struct state name 678 _v : version 679 */ 680 681 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \ 682 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type) 683 684 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \ 685 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type) 686 687 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \ 688 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type) 689 690 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \ 691 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type) 692 693 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \ 694 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \ 695 _vmsd, _type) 696 697 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \ 698 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \ 699 _size) 700 701 #define VMSTATE_BOOL_V(_f, _s, _v) \ 702 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool) 703 704 #define VMSTATE_INT8_V(_f, _s, _v) \ 705 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t) 706 #define VMSTATE_INT16_V(_f, _s, _v) \ 707 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t) 708 #define VMSTATE_INT32_V(_f, _s, _v) \ 709 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t) 710 #define VMSTATE_INT64_V(_f, _s, _v) \ 711 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t) 712 713 #define VMSTATE_UINT8_V(_f, _s, _v) \ 714 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t) 715 #define VMSTATE_UINT16_V(_f, _s, _v) \ 716 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t) 717 #define VMSTATE_UINT32_V(_f, _s, _v) \ 718 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t) 719 #define VMSTATE_UINT64_V(_f, _s, _v) \ 720 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t) 721 722 #define VMSTATE_BOOL(_f, _s) \ 723 VMSTATE_BOOL_V(_f, _s, 0) 724 725 #define VMSTATE_INT8(_f, _s) \ 726 VMSTATE_INT8_V(_f, _s, 0) 727 #define VMSTATE_INT16(_f, _s) \ 728 VMSTATE_INT16_V(_f, _s, 0) 729 #define VMSTATE_INT32(_f, _s) \ 730 VMSTATE_INT32_V(_f, _s, 0) 731 #define VMSTATE_INT64(_f, _s) \ 732 VMSTATE_INT64_V(_f, _s, 0) 733 734 #define VMSTATE_UINT8(_f, _s) \ 735 VMSTATE_UINT8_V(_f, _s, 0) 736 #define VMSTATE_UINT16(_f, _s) \ 737 VMSTATE_UINT16_V(_f, _s, 0) 738 #define VMSTATE_UINT32(_f, _s) \ 739 VMSTATE_UINT32_V(_f, _s, 0) 740 #define VMSTATE_UINT64(_f, _s) \ 741 VMSTATE_UINT64_V(_f, _s, 0) 742 743 #define VMSTATE_UINT8_EQUAL(_f, _s) \ 744 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t) 745 746 #define VMSTATE_UINT16_EQUAL(_f, _s) \ 747 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t) 748 749 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \ 750 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t) 751 752 #define VMSTATE_INT32_EQUAL(_f, _s) \ 753 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t) 754 755 #define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \ 756 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t) 757 758 #define VMSTATE_UINT32_EQUAL(_f, _s) \ 759 VMSTATE_UINT32_EQUAL_V(_f, _s, 0) 760 761 #define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \ 762 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t) 763 764 #define VMSTATE_UINT64_EQUAL(_f, _s) \ 765 VMSTATE_UINT64_EQUAL_V(_f, _s, 0) 766 767 #define VMSTATE_INT32_POSITIVE_LE(_f, _s) \ 768 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) 769 770 #define VMSTATE_INT8_TEST(_f, _s, _t) \ 771 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t) 772 773 #define VMSTATE_INT16_TEST(_f, _s, _t) \ 774 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t) 775 776 #define VMSTATE_INT32_TEST(_f, _s, _t) \ 777 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t) 778 779 #define VMSTATE_INT64_TEST(_f, _s, _t) \ 780 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t) 781 782 #define VMSTATE_UINT8_TEST(_f, _s, _t) \ 783 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t) 784 785 #define VMSTATE_UINT16_TEST(_f, _s, _t) \ 786 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t) 787 788 #define VMSTATE_UINT32_TEST(_f, _s, _t) \ 789 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) 790 791 #define VMSTATE_UINT64_TEST(_f, _s, _t) \ 792 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t) 793 794 795 #define VMSTATE_FLOAT64_V(_f, _s, _v) \ 796 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) 797 798 #define VMSTATE_FLOAT64(_f, _s) \ 799 VMSTATE_FLOAT64_V(_f, _s, 0) 800 801 #define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \ 802 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) 803 804 #define VMSTATE_TIMER_PTR_V(_f, _s, _v) \ 805 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) 806 807 #define VMSTATE_TIMER_PTR(_f, _s) \ 808 VMSTATE_TIMER_PTR_V(_f, _s, 0) 809 810 #define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \ 811 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) 812 813 #define VMSTATE_TIMER_TEST(_f, _s, _test) \ 814 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer) 815 816 #define VMSTATE_TIMER_V(_f, _s, _v) \ 817 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer) 818 819 #define VMSTATE_TIMER(_f, _s) \ 820 VMSTATE_TIMER_V(_f, _s, 0) 821 822 #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ 823 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer) 824 825 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \ 826 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool) 827 828 #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \ 829 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0) 830 831 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \ 832 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t) 833 834 #define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 835 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) 836 837 #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ 838 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) 839 840 #define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ 841 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) 842 843 #define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 844 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) 845 846 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \ 847 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t) 848 849 #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \ 850 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0) 851 852 #define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \ 853 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t) 854 855 #define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ 856 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) 857 858 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ 859 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) 860 861 #define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 862 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t) 863 864 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ 865 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) 866 867 #define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \ 868 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0) 869 870 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \ 871 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t) 872 873 #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \ 874 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0) 875 876 #define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \ 877 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0) 878 879 #define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 880 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t) 881 882 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \ 883 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t) 884 885 #define VMSTATE_INT16_ARRAY(_f, _s, _n) \ 886 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0) 887 888 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \ 889 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t) 890 891 #define VMSTATE_INT32_ARRAY(_f, _s, _n) \ 892 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0) 893 894 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \ 895 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t) 896 897 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \ 898 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t) 899 900 #define VMSTATE_INT64_ARRAY(_f, _s, _n) \ 901 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) 902 903 #define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ 904 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) 905 906 #define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ 907 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) 908 909 #define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \ 910 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU) 911 912 #define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \ 913 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0) 914 915 #define VMSTATE_BUFFER_V(_f, _s, _v) \ 916 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) 917 918 #define VMSTATE_BUFFER(_f, _s) \ 919 VMSTATE_BUFFER_V(_f, _s, 0) 920 921 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \ 922 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size) 923 924 #define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \ 925 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f))) 926 927 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \ 928 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0) 929 930 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \ 931 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size) 932 933 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \ 934 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size) 935 936 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \ 937 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size) 938 939 #define VMSTATE_BUFFER_TEST(_f, _s, _test) \ 940 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f))) 941 942 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \ 943 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size) 944 945 #define VMSTATE_UNUSED_V(_v, _size) \ 946 VMSTATE_UNUSED_BUFFER(NULL, _v, _size) 947 948 #define VMSTATE_UNUSED(_size) \ 949 VMSTATE_UNUSED_V(0, _size) 950 951 #define VMSTATE_UNUSED_TEST(_test, _size) \ 952 VMSTATE_UNUSED_BUFFER(_test, 0, _size) 953 954 #define VMSTATE_END_OF_LIST() \ 955 {} 956 957 #define SELF_ANNOUNCE_ROUNDS 5 958 959 void loadvm_free_handlers(MigrationIncomingState *mis); 960 961 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, 962 void *opaque, int version_id); 963 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, 964 void *opaque, QJSON *vmdesc); 965 966 bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque); 967 968 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, 969 const VMStateDescription *vmsd, 970 void *base, int alias_id, 971 int required_for_version); 972 973 static inline int vmstate_register(DeviceState *dev, int instance_id, 974 const VMStateDescription *vmsd, 975 void *opaque) 976 { 977 return vmstate_register_with_alias_id(dev, instance_id, vmsd, 978 opaque, -1, 0); 979 } 980 981 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd, 982 void *opaque); 983 984 struct MemoryRegion; 985 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); 986 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); 987 void vmstate_register_ram_global(struct MemoryRegion *memory); 988 989 static inline 990 int64_t self_announce_delay(int round) 991 { 992 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0); 993 /* delay 50ms, 150ms, 250ms, ... */ 994 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100; 995 } 996 997 void dump_vmstate_json_to_file(FILE *out_fp); 998 999 #endif 1000