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 33 typedef void SaveStateHandler(QEMUFile *f, void *opaque); 34 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); 35 36 typedef struct SaveVMHandlers { 37 /* This runs inside the iothread lock. */ 38 void (*set_params)(const MigrationParams *params, void * opaque); 39 SaveStateHandler *save_state; 40 41 void (*cancel)(void *opaque); 42 int (*save_live_complete)(QEMUFile *f, void *opaque); 43 44 /* This runs both outside and inside the iothread lock. */ 45 bool (*is_active)(void *opaque); 46 47 /* This runs outside the iothread lock in the migration case, and 48 * within the lock in the savevm case. The callback had better only 49 * use data that is local to the migration thread or protected 50 * by other locks. 51 */ 52 int (*save_live_iterate)(QEMUFile *f, void *opaque); 53 54 /* This runs outside the iothread lock! */ 55 int (*save_live_setup)(QEMUFile *f, void *opaque); 56 uint64_t (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size); 57 58 LoadStateHandler *load_state; 59 } SaveVMHandlers; 60 61 int register_savevm(DeviceState *dev, 62 const char *idstr, 63 int instance_id, 64 int version_id, 65 SaveStateHandler *save_state, 66 LoadStateHandler *load_state, 67 void *opaque); 68 69 int register_savevm_live(DeviceState *dev, 70 const char *idstr, 71 int instance_id, 72 int version_id, 73 SaveVMHandlers *ops, 74 void *opaque); 75 76 void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque); 77 void register_device_unmigratable(DeviceState *dev, const char *idstr, 78 void *opaque); 79 80 81 typedef struct VMStateInfo VMStateInfo; 82 typedef struct VMStateDescription VMStateDescription; 83 84 struct VMStateInfo { 85 const char *name; 86 int (*get)(QEMUFile *f, void *pv, size_t size); 87 void (*put)(QEMUFile *f, void *pv, size_t size); 88 }; 89 90 enum VMStateFlags { 91 VMS_SINGLE = 0x001, 92 VMS_POINTER = 0x002, 93 VMS_ARRAY = 0x004, 94 VMS_STRUCT = 0x008, 95 VMS_VARRAY_INT32 = 0x010, /* Array with size in int32_t field*/ 96 VMS_BUFFER = 0x020, /* static sized buffer */ 97 VMS_ARRAY_OF_POINTER = 0x040, 98 VMS_VARRAY_UINT16 = 0x080, /* Array with size in uint16_t field */ 99 VMS_VBUFFER = 0x100, /* Buffer with size in int32_t field */ 100 VMS_MULTIPLY = 0x200, /* multiply "size" field by field_size */ 101 VMS_VARRAY_UINT8 = 0x400, /* Array with size in uint8_t field*/ 102 VMS_VARRAY_UINT32 = 0x800, /* Array with size in uint32_t field*/ 103 VMS_MUST_EXIST = 0x1000, /* Field must exist in input */ 104 }; 105 106 typedef struct { 107 const char *name; 108 size_t offset; 109 size_t size; 110 size_t start; 111 int num; 112 size_t num_offset; 113 size_t size_offset; 114 const VMStateInfo *info; 115 enum VMStateFlags flags; 116 const VMStateDescription *vmsd; 117 int version_id; 118 bool (*field_exists)(void *opaque, int version_id); 119 } VMStateField; 120 121 typedef struct VMStateSubsection { 122 const VMStateDescription *vmsd; 123 bool (*needed)(void *opaque); 124 } VMStateSubsection; 125 126 struct VMStateDescription { 127 const char *name; 128 int unmigratable; 129 int version_id; 130 int minimum_version_id; 131 int minimum_version_id_old; 132 LoadStateHandler *load_state_old; 133 int (*pre_load)(void *opaque); 134 int (*post_load)(void *opaque, int version_id); 135 void (*pre_save)(void *opaque); 136 VMStateField *fields; 137 const VMStateSubsection *subsections; 138 }; 139 140 #ifdef CONFIG_USER_ONLY 141 extern const VMStateDescription vmstate_dummy; 142 #endif 143 144 extern const VMStateInfo vmstate_info_bool; 145 146 extern const VMStateInfo vmstate_info_int8; 147 extern const VMStateInfo vmstate_info_int16; 148 extern const VMStateInfo vmstate_info_int32; 149 extern const VMStateInfo vmstate_info_int64; 150 151 extern const VMStateInfo vmstate_info_uint8_equal; 152 extern const VMStateInfo vmstate_info_uint16_equal; 153 extern const VMStateInfo vmstate_info_int32_equal; 154 extern const VMStateInfo vmstate_info_uint32_equal; 155 extern const VMStateInfo vmstate_info_uint64_equal; 156 extern const VMStateInfo vmstate_info_int32_le; 157 158 extern const VMStateInfo vmstate_info_uint8; 159 extern const VMStateInfo vmstate_info_uint16; 160 extern const VMStateInfo vmstate_info_uint32; 161 extern const VMStateInfo vmstate_info_uint64; 162 163 extern const VMStateInfo vmstate_info_float64; 164 165 extern const VMStateInfo vmstate_info_timer; 166 extern const VMStateInfo vmstate_info_buffer; 167 extern const VMStateInfo vmstate_info_unused_buffer; 168 extern const VMStateInfo vmstate_info_bitmap; 169 170 #define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0) 171 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0) 172 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0) 173 174 #define vmstate_offset_value(_state, _field, _type) \ 175 (offsetof(_state, _field) + \ 176 type_check(_type, typeof_field(_state, _field))) 177 178 #define vmstate_offset_pointer(_state, _field, _type) \ 179 (offsetof(_state, _field) + \ 180 type_check_pointer(_type, typeof_field(_state, _field))) 181 182 #define vmstate_offset_array(_state, _field, _type, _num) \ 183 (offsetof(_state, _field) + \ 184 type_check_array(_type, typeof_field(_state, _field), _num)) 185 186 #define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \ 187 (offsetof(_state, _field) + \ 188 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2)) 189 190 #define vmstate_offset_sub_array(_state, _field, _type, _start) \ 191 (offsetof(_state, _field[_start])) 192 193 #define vmstate_offset_buffer(_state, _field) \ 194 vmstate_offset_array(_state, _field, uint8_t, \ 195 sizeof(typeof_field(_state, _field))) 196 197 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \ 198 .name = (stringify(_field)), \ 199 .version_id = (_version), \ 200 .field_exists = (_test), \ 201 .size = sizeof(_type), \ 202 .info = &(_info), \ 203 .flags = VMS_SINGLE, \ 204 .offset = vmstate_offset_value(_state, _field, _type), \ 205 } 206 207 /* Validate state using a boolean predicate. */ 208 #define VMSTATE_VALIDATE(_name, _test) { \ 209 .name = (_name), \ 210 .field_exists = (_test), \ 211 .flags = VMS_ARRAY | VMS_MUST_EXIST, \ 212 .num = 0, /* 0 elements: no data, only run _test */ \ 213 } 214 215 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \ 216 .name = (stringify(_field)), \ 217 .version_id = (_version), \ 218 .info = &(_info), \ 219 .size = sizeof(_type), \ 220 .flags = VMS_SINGLE|VMS_POINTER, \ 221 .offset = vmstate_offset_value(_state, _field, _type), \ 222 } 223 224 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \ 225 .name = (stringify(_field)), \ 226 .info = &(_info), \ 227 .field_exists = (_test), \ 228 .size = sizeof(_type), \ 229 .flags = VMS_SINGLE|VMS_POINTER, \ 230 .offset = vmstate_offset_value(_state, _field, _type), \ 231 } 232 233 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\ 234 .name = (stringify(_field)), \ 235 .version_id = (_version), \ 236 .num = (_num), \ 237 .info = &(_info), \ 238 .size = sizeof(_type), \ 239 .flags = VMS_ARRAY, \ 240 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 241 } 242 243 #define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \ 244 .name = (stringify(_field)), \ 245 .version_id = (_version), \ 246 .num = (_n1) * (_n2), \ 247 .info = &(_info), \ 248 .size = sizeof(_type), \ 249 .flags = VMS_ARRAY, \ 250 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \ 251 } 252 253 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\ 254 .name = (stringify(_field)), \ 255 .field_exists = (_test), \ 256 .num = (_num), \ 257 .info = &(_info), \ 258 .size = sizeof(_type), \ 259 .flags = VMS_ARRAY, \ 260 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 261 } 262 263 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \ 264 .name = (stringify(_field)), \ 265 .version_id = (_version), \ 266 .num = (_num), \ 267 .info = &(_info), \ 268 .size = sizeof(_type), \ 269 .flags = VMS_ARRAY, \ 270 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 271 } 272 273 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\ 274 .name = (stringify(_field)), \ 275 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 276 .info = &(_info), \ 277 .size = sizeof(_type), \ 278 .flags = VMS_VARRAY_INT32, \ 279 .offset = offsetof(_state, _field), \ 280 } 281 282 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\ 283 .name = (stringify(_field)), \ 284 .version_id = (_version), \ 285 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 286 .info = &(_info), \ 287 .size = sizeof(_type), \ 288 .flags = VMS_VARRAY_INT32|VMS_POINTER, \ 289 .offset = vmstate_offset_pointer(_state, _field, _type), \ 290 } 291 292 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\ 293 .name = (stringify(_field)), \ 294 .version_id = (_version), \ 295 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 296 .info = &(_info), \ 297 .size = sizeof(_type), \ 298 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \ 299 .offset = vmstate_offset_pointer(_state, _field, _type), \ 300 } 301 302 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\ 303 .name = (stringify(_field)), \ 304 .version_id = (_version), \ 305 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 306 .info = &(_info), \ 307 .size = sizeof(_type), \ 308 .flags = VMS_VARRAY_UINT16, \ 309 .offset = offsetof(_state, _field), \ 310 } 311 312 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \ 313 .name = (stringify(_field)), \ 314 .version_id = (_version), \ 315 .field_exists = (_test), \ 316 .vmsd = &(_vmsd), \ 317 .size = sizeof(_type), \ 318 .flags = VMS_STRUCT, \ 319 .offset = vmstate_offset_value(_state, _field, _type), \ 320 } 321 322 #define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \ 323 .name = (stringify(_field)), \ 324 .version_id = (_version), \ 325 .vmsd = &(_vmsd), \ 326 .size = sizeof(_type *), \ 327 .flags = VMS_STRUCT|VMS_POINTER, \ 328 .offset = vmstate_offset_pointer(_state, _field, _type), \ 329 } 330 331 #define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \ 332 .name = (stringify(_field)), \ 333 .version_id = (_version), \ 334 .field_exists = (_test), \ 335 .vmsd = &(_vmsd), \ 336 .size = sizeof(_type *), \ 337 .flags = VMS_STRUCT|VMS_POINTER, \ 338 .offset = vmstate_offset_pointer(_state, _field, _type), \ 339 } 340 341 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\ 342 .name = (stringify(_field)), \ 343 .version_id = (_version), \ 344 .num = (_num), \ 345 .info = &(_info), \ 346 .size = sizeof(_type), \ 347 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \ 348 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 349 } 350 351 #define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \ 352 .name = (stringify(_f)), \ 353 .version_id = (_v), \ 354 .num = (_n), \ 355 .vmsd = &(_vmsd), \ 356 .size = sizeof(_type *), \ 357 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \ 358 .offset = vmstate_offset_array(_s, _f, _type*, _n), \ 359 } 360 361 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \ 362 .name = (stringify(_field)), \ 363 .num = (_num), \ 364 .field_exists = (_test), \ 365 .version_id = (_version), \ 366 .vmsd = &(_vmsd), \ 367 .size = sizeof(_type), \ 368 .flags = VMS_STRUCT|VMS_ARRAY, \ 369 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 370 } 371 372 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ 373 .name = (stringify(_field)), \ 374 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ 375 .version_id = (_version), \ 376 .vmsd = &(_vmsd), \ 377 .size = sizeof(_type), \ 378 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \ 379 .offset = offsetof(_state, _field), \ 380 } 381 382 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \ 383 .name = (stringify(_field)), \ 384 .version_id = 0, \ 385 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 386 .size = sizeof(_type), \ 387 .vmsd = &(_vmsd), \ 388 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 389 .offset = vmstate_offset_pointer(_state, _field, _type), \ 390 } 391 392 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \ 393 .name = (stringify(_field)), \ 394 .version_id = 0, \ 395 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 396 .size = sizeof(_type), \ 397 .vmsd = &(_vmsd), \ 398 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 399 .offset = vmstate_offset_pointer(_state, _field, _type), \ 400 } 401 402 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \ 403 .name = (stringify(_field)), \ 404 .version_id = 0, \ 405 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 406 .size = sizeof(_type), \ 407 .vmsd = &(_vmsd), \ 408 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \ 409 .offset = vmstate_offset_pointer(_state, _field, _type), \ 410 } 411 412 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 413 .name = (stringify(_field)), \ 414 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 415 .version_id = (_version), \ 416 .vmsd = &(_vmsd), \ 417 .size = sizeof(_type), \ 418 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \ 419 .offset = offsetof(_state, _field), \ 420 } 421 422 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 423 .name = (stringify(_field)), \ 424 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ 425 .version_id = (_version), \ 426 .vmsd = &(_vmsd), \ 427 .size = sizeof(_type), \ 428 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \ 429 .offset = offsetof(_state, _field), \ 430 } 431 432 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \ 433 .name = (stringify(_field)), \ 434 .version_id = (_version), \ 435 .field_exists = (_test), \ 436 .size = (_size - _start), \ 437 .info = &vmstate_info_buffer, \ 438 .flags = VMS_BUFFER, \ 439 .offset = vmstate_offset_buffer(_state, _field) + _start, \ 440 } 441 442 #define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \ 443 .name = (stringify(_field)), \ 444 .version_id = (_version), \ 445 .field_exists = (_test), \ 446 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 447 .size = (_multiply), \ 448 .info = &vmstate_info_buffer, \ 449 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \ 450 .offset = offsetof(_state, _field), \ 451 .start = (_start), \ 452 } 453 454 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \ 455 .name = (stringify(_field)), \ 456 .version_id = (_version), \ 457 .field_exists = (_test), \ 458 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 459 .info = &vmstate_info_buffer, \ 460 .flags = VMS_VBUFFER|VMS_POINTER, \ 461 .offset = offsetof(_state, _field), \ 462 .start = (_start), \ 463 } 464 465 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \ 466 .name = (stringify(_field)), \ 467 .version_id = (_version), \ 468 .field_exists = (_test), \ 469 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 470 .info = &vmstate_info_buffer, \ 471 .flags = VMS_VBUFFER|VMS_POINTER, \ 472 .offset = offsetof(_state, _field), \ 473 .start = (_start), \ 474 } 475 476 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \ 477 .name = (stringify(_field)), \ 478 .version_id = (_version), \ 479 .size = (_size), \ 480 .info = &(_info), \ 481 .flags = VMS_BUFFER, \ 482 .offset = offsetof(_state, _field), \ 483 } 484 485 #define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ 486 .name = (stringify(_field)), \ 487 .version_id = (_version), \ 488 .size = (_size), \ 489 .info = &vmstate_info_buffer, \ 490 .flags = VMS_BUFFER|VMS_POINTER, \ 491 .offset = offsetof(_state, _field), \ 492 } 493 494 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \ 495 .name = "unused", \ 496 .field_exists = (_test), \ 497 .version_id = (_version), \ 498 .size = (_size), \ 499 .info = &vmstate_info_unused_buffer, \ 500 .flags = VMS_BUFFER, \ 501 } 502 503 /* _field_size should be a int32_t field in the _state struct giving the 504 * size of the bitmap _field in bits. 505 */ 506 #define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ 507 .name = (stringify(_field)), \ 508 .version_id = (_version), \ 509 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 510 .info = &vmstate_info_bitmap, \ 511 .flags = VMS_VBUFFER|VMS_POINTER, \ 512 .offset = offsetof(_state, _field), \ 513 } 514 515 /* _f : field name 516 _f_n : num of elements field_name 517 _n : num of elements 518 _s : struct state name 519 _v : version 520 */ 521 522 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \ 523 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type) 524 525 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \ 526 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type) 527 528 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \ 529 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type) 530 531 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \ 532 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type) 533 534 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \ 535 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \ 536 _vmsd, _type) 537 538 #define VMSTATE_BOOL_V(_f, _s, _v) \ 539 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool) 540 541 #define VMSTATE_INT8_V(_f, _s, _v) \ 542 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t) 543 #define VMSTATE_INT16_V(_f, _s, _v) \ 544 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t) 545 #define VMSTATE_INT32_V(_f, _s, _v) \ 546 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t) 547 #define VMSTATE_INT64_V(_f, _s, _v) \ 548 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t) 549 550 #define VMSTATE_UINT8_V(_f, _s, _v) \ 551 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t) 552 #define VMSTATE_UINT16_V(_f, _s, _v) \ 553 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t) 554 #define VMSTATE_UINT32_V(_f, _s, _v) \ 555 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t) 556 #define VMSTATE_UINT64_V(_f, _s, _v) \ 557 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t) 558 559 #define VMSTATE_BOOL(_f, _s) \ 560 VMSTATE_BOOL_V(_f, _s, 0) 561 562 #define VMSTATE_INT8(_f, _s) \ 563 VMSTATE_INT8_V(_f, _s, 0) 564 #define VMSTATE_INT16(_f, _s) \ 565 VMSTATE_INT16_V(_f, _s, 0) 566 #define VMSTATE_INT32(_f, _s) \ 567 VMSTATE_INT32_V(_f, _s, 0) 568 #define VMSTATE_INT64(_f, _s) \ 569 VMSTATE_INT64_V(_f, _s, 0) 570 571 #define VMSTATE_UINT8(_f, _s) \ 572 VMSTATE_UINT8_V(_f, _s, 0) 573 #define VMSTATE_UINT16(_f, _s) \ 574 VMSTATE_UINT16_V(_f, _s, 0) 575 #define VMSTATE_UINT32(_f, _s) \ 576 VMSTATE_UINT32_V(_f, _s, 0) 577 #define VMSTATE_UINT64(_f, _s) \ 578 VMSTATE_UINT64_V(_f, _s, 0) 579 580 #define VMSTATE_UINT8_EQUAL(_f, _s) \ 581 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t) 582 583 #define VMSTATE_UINT16_EQUAL(_f, _s) \ 584 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t) 585 586 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \ 587 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t) 588 589 #define VMSTATE_INT32_EQUAL(_f, _s) \ 590 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t) 591 592 #define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \ 593 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t) 594 595 #define VMSTATE_UINT32_EQUAL(_f, _s) \ 596 VMSTATE_UINT32_EQUAL_V(_f, _s, 0) 597 598 #define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \ 599 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t) 600 601 #define VMSTATE_UINT64_EQUAL(_f, _s) \ 602 VMSTATE_UINT64_EQUAL_V(_f, _s, 0) 603 604 #define VMSTATE_INT32_POSITIVE_LE(_f, _s) \ 605 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) 606 607 #define VMSTATE_UINT8_TEST(_f, _s, _t) \ 608 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t) 609 610 #define VMSTATE_UINT16_TEST(_f, _s, _t) \ 611 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t) 612 613 #define VMSTATE_UINT32_TEST(_f, _s, _t) \ 614 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) 615 616 617 #define VMSTATE_FLOAT64_V(_f, _s, _v) \ 618 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) 619 620 #define VMSTATE_FLOAT64(_f, _s) \ 621 VMSTATE_FLOAT64_V(_f, _s, 0) 622 623 #define VMSTATE_TIMER_TEST(_f, _s, _test) \ 624 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) 625 626 #define VMSTATE_TIMER_V(_f, _s, _v) \ 627 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) 628 629 #define VMSTATE_TIMER(_f, _s) \ 630 VMSTATE_TIMER_V(_f, _s, 0) 631 632 #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ 633 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) 634 635 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \ 636 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool) 637 638 #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \ 639 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0) 640 641 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \ 642 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t) 643 644 #define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 645 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) 646 647 #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ 648 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) 649 650 #define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ 651 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) 652 653 #define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 654 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) 655 656 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \ 657 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t) 658 659 #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \ 660 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0) 661 662 #define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \ 663 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t) 664 665 #define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ 666 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) 667 668 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ 669 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) 670 671 #define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 672 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t) 673 674 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ 675 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) 676 677 #define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \ 678 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0) 679 680 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \ 681 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t) 682 683 #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \ 684 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0) 685 686 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \ 687 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t) 688 689 #define VMSTATE_INT16_ARRAY(_f, _s, _n) \ 690 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0) 691 692 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \ 693 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t) 694 695 #define VMSTATE_INT32_ARRAY(_f, _s, _n) \ 696 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0) 697 698 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \ 699 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t) 700 701 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ 702 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) 703 704 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \ 705 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t) 706 707 #define VMSTATE_INT64_ARRAY(_f, _s, _n) \ 708 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) 709 710 #define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ 711 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) 712 713 #define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ 714 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) 715 716 #define VMSTATE_BUFFER_V(_f, _s, _v) \ 717 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) 718 719 #define VMSTATE_BUFFER(_f, _s) \ 720 VMSTATE_BUFFER_V(_f, _s, 0) 721 722 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \ 723 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size) 724 725 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \ 726 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f))) 727 728 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \ 729 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size) 730 731 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \ 732 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size) 733 734 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \ 735 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size) 736 737 #define VMSTATE_BUFFER_TEST(_f, _s, _test) \ 738 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f))) 739 740 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \ 741 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size) 742 743 #define VMSTATE_UNUSED_V(_v, _size) \ 744 VMSTATE_UNUSED_BUFFER(NULL, _v, _size) 745 746 #define VMSTATE_UNUSED(_size) \ 747 VMSTATE_UNUSED_V(0, _size) 748 749 #define VMSTATE_UNUSED_TEST(_test, _size) \ 750 VMSTATE_UNUSED_BUFFER(_test, 0, _size) 751 752 #define VMSTATE_END_OF_LIST() \ 753 {} 754 755 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, 756 void *opaque, int version_id); 757 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, 758 void *opaque); 759 760 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, 761 const VMStateDescription *vmsd, 762 void *base, int alias_id, 763 int required_for_version); 764 765 static inline int vmstate_register(DeviceState *dev, int instance_id, 766 const VMStateDescription *vmsd, 767 void *opaque) 768 { 769 return vmstate_register_with_alias_id(dev, instance_id, vmsd, 770 opaque, -1, 0); 771 } 772 773 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd, 774 void *opaque); 775 776 struct MemoryRegion; 777 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); 778 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); 779 void vmstate_register_ram_global(struct MemoryRegion *memory); 780 781 #endif 782