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 typedef struct VMStateInfo VMStateInfo; 31 typedef struct VMStateDescription VMStateDescription; 32 typedef struct VMStateField VMStateField; 33 34 /* VMStateInfo allows customized migration of objects that don't fit in 35 * any category in VMStateFlags. Additional information is always passed 36 * into get and put in terms of field and vmdesc parameters. However 37 * these two parameters should only be used in cases when customized 38 * handling is needed, such as QTAILQ. For primitive data types such as 39 * integer, field and vmdesc parameters should be ignored inside get/put. 40 */ 41 struct VMStateInfo { 42 const char *name; 43 int (*get)(QEMUFile *f, void *pv, size_t size, const VMStateField *field); 44 int (*put)(QEMUFile *f, void *pv, size_t size, const VMStateField *field, 45 QJSON *vmdesc); 46 }; 47 48 enum VMStateFlags { 49 /* Ignored */ 50 VMS_SINGLE = 0x001, 51 52 /* The struct member at opaque + VMStateField.offset is a pointer 53 * to the actual field (e.g. struct a { uint8_t *b; 54 * }). Dereference the pointer before using it as basis for 55 * further pointer arithmetic (see e.g. VMS_ARRAY). Does not 56 * affect the meaning of VMStateField.num_offset or 57 * VMStateField.size_offset; see VMS_VARRAY* and VMS_VBUFFER for 58 * those. */ 59 VMS_POINTER = 0x002, 60 61 /* The field is an array of fixed size. VMStateField.num contains 62 * the number of entries in the array. The size of each entry is 63 * given by VMStateField.size and / or opaque + 64 * VMStateField.size_offset; see VMS_VBUFFER and 65 * VMS_MULTIPLY. Each array entry will be processed individually 66 * (VMStateField.info.get()/put() if VMS_STRUCT is not set, 67 * recursion into VMStateField.vmsd if VMS_STRUCT is set). May not 68 * be combined with VMS_VARRAY*. */ 69 VMS_ARRAY = 0x004, 70 71 /* The field is itself a struct, containing one or more 72 * fields. Recurse into VMStateField.vmsd. Most useful in 73 * combination with VMS_ARRAY / VMS_VARRAY*, recursing into each 74 * array entry. */ 75 VMS_STRUCT = 0x008, 76 77 /* The field is an array of variable size. The int32_t at opaque + 78 * VMStateField.num_offset contains the number of entries in the 79 * array. See the VMS_ARRAY description regarding array handling 80 * in general. May not be combined with VMS_ARRAY or any other 81 * VMS_VARRAY*. */ 82 VMS_VARRAY_INT32 = 0x010, 83 84 /* Ignored */ 85 VMS_BUFFER = 0x020, 86 87 /* The field is a (fixed-size or variable-size) array of pointers 88 * (e.g. struct a { uint8_t *b[]; }). Dereference each array entry 89 * before using it. Note: Does not imply any one of VMS_ARRAY / 90 * VMS_VARRAY*; these need to be set explicitly. */ 91 VMS_ARRAY_OF_POINTER = 0x040, 92 93 /* The field is an array of variable size. The uint16_t at opaque 94 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 95 * contains the number of entries in the array. See the VMS_ARRAY 96 * description regarding array handling in general. May not be 97 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 98 VMS_VARRAY_UINT16 = 0x080, 99 100 /* The size of the individual entries (a single array entry if 101 * VMS_ARRAY or any of VMS_VARRAY* are set, or the field itself if 102 * neither is set) is variable (i.e. not known at compile-time), 103 * but the same for all entries. Use the int32_t at opaque + 104 * VMStateField.size_offset (subject to VMS_MULTIPLY) to determine 105 * the size of each (and every) entry. */ 106 VMS_VBUFFER = 0x100, 107 108 /* Multiply the entry size given by the int32_t at opaque + 109 * VMStateField.size_offset (see VMS_VBUFFER description) with 110 * VMStateField.size to determine the number of bytes to be 111 * allocated. Only valid in combination with VMS_VBUFFER. */ 112 VMS_MULTIPLY = 0x200, 113 114 /* The field is an array of variable size. The uint8_t at opaque + 115 * VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 116 * contains the number of entries in the array. See the VMS_ARRAY 117 * description regarding array handling in general. May not be 118 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 119 VMS_VARRAY_UINT8 = 0x400, 120 121 /* The field is an array of variable size. The uint32_t at opaque 122 * + VMStateField.num_offset (subject to VMS_MULTIPLY_ELEMENTS) 123 * contains the number of entries in the array. See the VMS_ARRAY 124 * description regarding array handling in general. May not be 125 * combined with VMS_ARRAY or any other VMS_VARRAY*. */ 126 VMS_VARRAY_UINT32 = 0x800, 127 128 /* Fail loading the serialised VM state if this field is missing 129 * from the input. */ 130 VMS_MUST_EXIST = 0x1000, 131 132 /* When loading serialised VM state, allocate memory for the 133 * (entire) field. Only valid in combination with 134 * VMS_POINTER. Note: Not all combinations with other flags are 135 * currently supported, e.g. VMS_ALLOC|VMS_ARRAY_OF_POINTER won't 136 * cause the individual entries to be allocated. */ 137 VMS_ALLOC = 0x2000, 138 139 /* Multiply the number of entries given by the integer at opaque + 140 * VMStateField.num_offset (see VMS_VARRAY*) with VMStateField.num 141 * to determine the number of entries in the array. Only valid in 142 * combination with one of VMS_VARRAY*. */ 143 VMS_MULTIPLY_ELEMENTS = 0x4000, 144 145 /* A structure field that is like VMS_STRUCT, but uses 146 * VMStateField.struct_version_id to tell which version of the 147 * structure we are referencing to use. */ 148 VMS_VSTRUCT = 0x8000, 149 }; 150 151 typedef enum { 152 MIG_PRI_DEFAULT = 0, 153 MIG_PRI_IOMMU, /* Must happen before PCI devices */ 154 MIG_PRI_PCI_BUS, /* Must happen before IOMMU */ 155 MIG_PRI_GICV3_ITS, /* Must happen before PCI devices */ 156 MIG_PRI_GICV3, /* Must happen before the ITS */ 157 MIG_PRI_MAX, 158 } MigrationPriority; 159 160 struct VMStateField { 161 const char *name; 162 const char *err_hint; 163 size_t offset; 164 size_t size; 165 size_t start; 166 int num; 167 size_t num_offset; 168 size_t size_offset; 169 const VMStateInfo *info; 170 enum VMStateFlags flags; 171 const VMStateDescription *vmsd; 172 int version_id; 173 int struct_version_id; 174 bool (*field_exists)(void *opaque, int version_id); 175 }; 176 177 struct VMStateDescription { 178 const char *name; 179 int unmigratable; 180 int version_id; 181 int minimum_version_id; 182 int minimum_version_id_old; 183 MigrationPriority priority; 184 LoadStateHandler *load_state_old; 185 int (*pre_load)(void *opaque); 186 int (*post_load)(void *opaque, int version_id); 187 int (*pre_save)(void *opaque); 188 bool (*needed)(void *opaque); 189 const VMStateField *fields; 190 const VMStateDescription **subsections; 191 }; 192 193 extern const VMStateDescription vmstate_dummy; 194 195 extern const VMStateInfo vmstate_info_bool; 196 197 extern const VMStateInfo vmstate_info_int8; 198 extern const VMStateInfo vmstate_info_int16; 199 extern const VMStateInfo vmstate_info_int32; 200 extern const VMStateInfo vmstate_info_int64; 201 202 extern const VMStateInfo vmstate_info_uint8_equal; 203 extern const VMStateInfo vmstate_info_uint16_equal; 204 extern const VMStateInfo vmstate_info_int32_equal; 205 extern const VMStateInfo vmstate_info_uint32_equal; 206 extern const VMStateInfo vmstate_info_uint64_equal; 207 extern const VMStateInfo vmstate_info_int32_le; 208 209 extern const VMStateInfo vmstate_info_uint8; 210 extern const VMStateInfo vmstate_info_uint16; 211 extern const VMStateInfo vmstate_info_uint32; 212 extern const VMStateInfo vmstate_info_uint64; 213 214 /** Put this in the stream when migrating a null pointer.*/ 215 #define VMS_NULLPTR_MARKER (0x30U) /* '0' */ 216 extern const VMStateInfo vmstate_info_nullptr; 217 218 extern const VMStateInfo vmstate_info_float64; 219 extern const VMStateInfo vmstate_info_cpudouble; 220 221 extern const VMStateInfo vmstate_info_timer; 222 extern const VMStateInfo vmstate_info_buffer; 223 extern const VMStateInfo vmstate_info_unused_buffer; 224 extern const VMStateInfo vmstate_info_tmp; 225 extern const VMStateInfo vmstate_info_bitmap; 226 extern const VMStateInfo vmstate_info_qtailq; 227 228 #define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0) 229 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0) 230 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0) 231 232 #define vmstate_offset_value(_state, _field, _type) \ 233 (offsetof(_state, _field) + \ 234 type_check(_type, typeof_field(_state, _field))) 235 236 #define vmstate_offset_pointer(_state, _field, _type) \ 237 (offsetof(_state, _field) + \ 238 type_check_pointer(_type, typeof_field(_state, _field))) 239 240 #define vmstate_offset_array(_state, _field, _type, _num) \ 241 (offsetof(_state, _field) + \ 242 type_check_array(_type, typeof_field(_state, _field), _num)) 243 244 #define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \ 245 (offsetof(_state, _field) + \ 246 type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2)) 247 248 #define vmstate_offset_sub_array(_state, _field, _type, _start) \ 249 vmstate_offset_value(_state, _field[_start], _type) 250 251 #define vmstate_offset_buffer(_state, _field) \ 252 vmstate_offset_array(_state, _field, uint8_t, \ 253 sizeof(typeof_field(_state, _field))) 254 255 /* In the macros below, if there is a _version, that means the macro's 256 * field will be processed only if the version being received is >= 257 * the _version specified. In general, if you add a new field, you 258 * would increment the structure's version and put that version 259 * number into the new field so it would only be processed with the 260 * new version. 261 * 262 * In particular, for VMSTATE_STRUCT() and friends the _version does 263 * *NOT* pick the version of the sub-structure. It works just as 264 * specified above. The version of the top-level structure received 265 * is passed down to all sub-structures. This means that the 266 * sub-structures must have version that are compatible with all the 267 * structures that use them. 268 * 269 * If you want to specify the version of the sub-structure, use 270 * VMSTATE_VSTRUCT(), which allows the specific sub-structure version 271 * to be directly specified. 272 */ 273 274 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \ 275 .name = (stringify(_field)), \ 276 .version_id = (_version), \ 277 .field_exists = (_test), \ 278 .size = sizeof(_type), \ 279 .info = &(_info), \ 280 .flags = VMS_SINGLE, \ 281 .offset = vmstate_offset_value(_state, _field, _type), \ 282 } 283 284 #define VMSTATE_SINGLE_FULL(_field, _state, _test, _version, _info, \ 285 _type, _err_hint) { \ 286 .name = (stringify(_field)), \ 287 .err_hint = (_err_hint), \ 288 .version_id = (_version), \ 289 .field_exists = (_test), \ 290 .size = sizeof(_type), \ 291 .info = &(_info), \ 292 .flags = VMS_SINGLE, \ 293 .offset = vmstate_offset_value(_state, _field, _type), \ 294 } 295 296 /* Validate state using a boolean predicate. */ 297 #define VMSTATE_VALIDATE(_name, _test) { \ 298 .name = (_name), \ 299 .field_exists = (_test), \ 300 .flags = VMS_ARRAY | VMS_MUST_EXIST, \ 301 .num = 0, /* 0 elements: no data, only run _test */ \ 302 } 303 304 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \ 305 .name = (stringify(_field)), \ 306 .version_id = (_version), \ 307 .info = &(_info), \ 308 .size = sizeof(_type), \ 309 .flags = VMS_SINGLE|VMS_POINTER, \ 310 .offset = vmstate_offset_value(_state, _field, _type), \ 311 } 312 313 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \ 314 .name = (stringify(_field)), \ 315 .info = &(_info), \ 316 .field_exists = (_test), \ 317 .size = sizeof(_type), \ 318 .flags = VMS_SINGLE|VMS_POINTER, \ 319 .offset = vmstate_offset_value(_state, _field, _type), \ 320 } 321 322 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\ 323 .name = (stringify(_field)), \ 324 .version_id = (_version), \ 325 .num = (_num), \ 326 .info = &(_info), \ 327 .size = sizeof(_type), \ 328 .flags = VMS_ARRAY, \ 329 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 330 } 331 332 #define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \ 333 .name = (stringify(_field)), \ 334 .version_id = (_version), \ 335 .num = (_n1) * (_n2), \ 336 .info = &(_info), \ 337 .size = sizeof(_type), \ 338 .flags = VMS_ARRAY, \ 339 .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \ 340 } 341 342 #define VMSTATE_VARRAY_MULTIPLY(_field, _state, _field_num, _multiply, _info, _type) { \ 343 .name = (stringify(_field)), \ 344 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 345 .num = (_multiply), \ 346 .info = &(_info), \ 347 .size = sizeof(_type), \ 348 .flags = VMS_VARRAY_UINT32|VMS_MULTIPLY_ELEMENTS, \ 349 .offset = offsetof(_state, _field), \ 350 } 351 352 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\ 353 .name = (stringify(_field)), \ 354 .field_exists = (_test), \ 355 .num = (_num), \ 356 .info = &(_info), \ 357 .size = sizeof(_type), \ 358 .flags = VMS_ARRAY, \ 359 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 360 } 361 362 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \ 363 .name = (stringify(_field)), \ 364 .version_id = (_version), \ 365 .num = (_num), \ 366 .info = &(_info), \ 367 .size = sizeof(_type), \ 368 .flags = VMS_ARRAY, \ 369 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 370 } 371 372 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\ 373 .name = (stringify(_field)), \ 374 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 375 .info = &(_info), \ 376 .size = sizeof(_type), \ 377 .flags = VMS_VARRAY_INT32, \ 378 .offset = offsetof(_state, _field), \ 379 } 380 381 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\ 382 .name = (stringify(_field)), \ 383 .version_id = (_version), \ 384 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 385 .info = &(_info), \ 386 .size = sizeof(_type), \ 387 .flags = VMS_VARRAY_INT32|VMS_POINTER, \ 388 .offset = vmstate_offset_pointer(_state, _field, _type), \ 389 } 390 391 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\ 392 .name = (stringify(_field)), \ 393 .version_id = (_version), \ 394 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 395 .info = &(_info), \ 396 .size = sizeof(_type), \ 397 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \ 398 .offset = vmstate_offset_pointer(_state, _field, _type), \ 399 } 400 401 #define VMSTATE_VARRAY_UINT32_ALLOC(_field, _state, _field_num, _version, _info, _type) {\ 402 .name = (stringify(_field)), \ 403 .version_id = (_version), \ 404 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 405 .info = &(_info), \ 406 .size = sizeof(_type), \ 407 .flags = VMS_VARRAY_UINT32|VMS_POINTER|VMS_ALLOC, \ 408 .offset = vmstate_offset_pointer(_state, _field, _type), \ 409 } 410 411 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\ 412 .name = (stringify(_field)), \ 413 .version_id = (_version), \ 414 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 415 .info = &(_info), \ 416 .size = sizeof(_type), \ 417 .flags = VMS_VARRAY_UINT16, \ 418 .offset = offsetof(_state, _field), \ 419 } 420 421 #define VMSTATE_VSTRUCT_TEST(_field, _state, _test, _version, _vmsd, _type, _struct_version) { \ 422 .name = (stringify(_field)), \ 423 .version_id = (_version), \ 424 .struct_version_id = (_struct_version), \ 425 .field_exists = (_test), \ 426 .vmsd = &(_vmsd), \ 427 .size = sizeof(_type), \ 428 .flags = VMS_VSTRUCT, \ 429 .offset = vmstate_offset_value(_state, _field, _type), \ 430 } 431 432 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \ 433 .name = (stringify(_field)), \ 434 .version_id = (_version), \ 435 .field_exists = (_test), \ 436 .vmsd = &(_vmsd), \ 437 .size = sizeof(_type), \ 438 .flags = VMS_STRUCT, \ 439 .offset = vmstate_offset_value(_state, _field, _type), \ 440 } 441 442 #define VMSTATE_STRUCT_POINTER_V(_field, _state, _version, _vmsd, _type) { \ 443 .name = (stringify(_field)), \ 444 .version_id = (_version), \ 445 .vmsd = &(_vmsd), \ 446 .size = sizeof(_type *), \ 447 .flags = VMS_STRUCT|VMS_POINTER, \ 448 .offset = vmstate_offset_pointer(_state, _field, _type), \ 449 } 450 451 #define VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, _version, _vmsd, _type) { \ 452 .name = (stringify(_field)), \ 453 .version_id = (_version), \ 454 .field_exists = (_test), \ 455 .vmsd = &(_vmsd), \ 456 .size = sizeof(_type *), \ 457 .flags = VMS_STRUCT|VMS_POINTER, \ 458 .offset = vmstate_offset_pointer(_state, _field, _type), \ 459 } 460 461 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\ 462 .name = (stringify(_field)), \ 463 .version_id = (_version), \ 464 .num = (_num), \ 465 .info = &(_info), \ 466 .size = sizeof(_type), \ 467 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \ 468 .offset = vmstate_offset_array(_state, _field, _type, _num), \ 469 } 470 471 #define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \ 472 .name = (stringify(_f)), \ 473 .version_id = (_v), \ 474 .num = (_n), \ 475 .vmsd = &(_vmsd), \ 476 .size = sizeof(_type *), \ 477 .flags = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER, \ 478 .offset = vmstate_offset_array(_s, _f, _type*, _n), \ 479 } 480 481 #define VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, _num, _version, _vmsd, _type) { \ 482 .name = (stringify(_field)), \ 483 .version_id = (_version), \ 484 .num = (_num), \ 485 .vmsd = &(_vmsd), \ 486 .size = sizeof(_type), \ 487 .flags = VMS_STRUCT|VMS_ARRAY, \ 488 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ 489 } 490 491 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \ 492 .name = (stringify(_field)), \ 493 .num = (_num), \ 494 .field_exists = (_test), \ 495 .version_id = (_version), \ 496 .vmsd = &(_vmsd), \ 497 .size = sizeof(_type), \ 498 .flags = VMS_STRUCT|VMS_ARRAY, \ 499 .offset = vmstate_offset_array(_state, _field, _type, _num),\ 500 } 501 502 #define VMSTATE_STRUCT_2DARRAY_TEST(_field, _state, _n1, _n2, _test, \ 503 _version, _vmsd, _type) { \ 504 .name = (stringify(_field)), \ 505 .num = (_n1) * (_n2), \ 506 .field_exists = (_test), \ 507 .version_id = (_version), \ 508 .vmsd = &(_vmsd), \ 509 .size = sizeof(_type), \ 510 .flags = VMS_STRUCT | VMS_ARRAY, \ 511 .offset = vmstate_offset_2darray(_state, _field, _type, \ 512 _n1, _n2), \ 513 } 514 515 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ 516 .name = (stringify(_field)), \ 517 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ 518 .version_id = (_version), \ 519 .vmsd = &(_vmsd), \ 520 .size = sizeof(_type), \ 521 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \ 522 .offset = offsetof(_state, _field), \ 523 } 524 525 /* a variable length array (i.e. _type *_field) but we know the 526 * length 527 */ 528 #define VMSTATE_STRUCT_VARRAY_POINTER_KNOWN(_field, _state, _num, _version, _vmsd, _type) { \ 529 .name = (stringify(_field)), \ 530 .num = (_num), \ 531 .version_id = (_version), \ 532 .vmsd = &(_vmsd), \ 533 .size = sizeof(_type), \ 534 .flags = VMS_STRUCT|VMS_ARRAY|VMS_POINTER, \ 535 .offset = offsetof(_state, _field), \ 536 } 537 538 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \ 539 .name = (stringify(_field)), \ 540 .version_id = 0, \ 541 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 542 .size = sizeof(_type), \ 543 .vmsd = &(_vmsd), \ 544 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 545 .offset = vmstate_offset_pointer(_state, _field, _type), \ 546 } 547 548 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \ 549 .name = (stringify(_field)), \ 550 .version_id = 0, \ 551 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 552 .size = sizeof(_type), \ 553 .vmsd = &(_vmsd), \ 554 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ 555 .offset = vmstate_offset_pointer(_state, _field, _type), \ 556 } 557 558 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \ 559 .name = (stringify(_field)), \ 560 .version_id = 0, \ 561 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ 562 .size = sizeof(_type), \ 563 .vmsd = &(_vmsd), \ 564 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \ 565 .offset = vmstate_offset_pointer(_state, _field, _type), \ 566 } 567 568 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 569 .name = (stringify(_field)), \ 570 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 571 .version_id = (_version), \ 572 .vmsd = &(_vmsd), \ 573 .size = sizeof(_type), \ 574 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \ 575 .offset = offsetof(_state, _field), \ 576 } 577 578 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \ 579 .name = (stringify(_field)), \ 580 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ 581 .version_id = (_version), \ 582 .vmsd = &(_vmsd), \ 583 .size = sizeof(_type), \ 584 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \ 585 .offset = offsetof(_state, _field), \ 586 } 587 588 #define VMSTATE_STRUCT_VARRAY_ALLOC(_field, _state, _field_num, _version, _vmsd, _type) {\ 589 .name = (stringify(_field)), \ 590 .version_id = (_version), \ 591 .vmsd = &(_vmsd), \ 592 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ 593 .size = sizeof(_type), \ 594 .flags = VMS_STRUCT|VMS_VARRAY_INT32|VMS_ALLOC|VMS_POINTER, \ 595 .offset = vmstate_offset_pointer(_state, _field, _type), \ 596 } 597 598 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \ 599 .name = (stringify(_field)), \ 600 .version_id = (_version), \ 601 .field_exists = (_test), \ 602 .size = (_size - _start), \ 603 .info = &vmstate_info_buffer, \ 604 .flags = VMS_BUFFER, \ 605 .offset = vmstate_offset_buffer(_state, _field) + _start, \ 606 } 607 608 #define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, \ 609 _field_size, _multiply) { \ 610 .name = (stringify(_field)), \ 611 .version_id = (_version), \ 612 .field_exists = (_test), \ 613 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 614 .size = (_multiply), \ 615 .info = &vmstate_info_buffer, \ 616 .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \ 617 .offset = offsetof(_state, _field), \ 618 } 619 620 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _field_size) { \ 621 .name = (stringify(_field)), \ 622 .version_id = (_version), \ 623 .field_exists = (_test), \ 624 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 625 .info = &vmstate_info_buffer, \ 626 .flags = VMS_VBUFFER|VMS_POINTER, \ 627 .offset = offsetof(_state, _field), \ 628 } 629 630 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _field_size) { \ 631 .name = (stringify(_field)), \ 632 .version_id = (_version), \ 633 .field_exists = (_test), \ 634 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 635 .info = &vmstate_info_buffer, \ 636 .flags = VMS_VBUFFER|VMS_POINTER, \ 637 .offset = offsetof(_state, _field), \ 638 } 639 640 #define VMSTATE_VBUFFER_ALLOC_UINT32(_field, _state, _version, \ 641 _test, _field_size) { \ 642 .name = (stringify(_field)), \ 643 .version_id = (_version), \ 644 .field_exists = (_test), \ 645 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ 646 .info = &vmstate_info_buffer, \ 647 .flags = VMS_VBUFFER|VMS_POINTER|VMS_ALLOC, \ 648 .offset = offsetof(_state, _field), \ 649 } 650 651 #define VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, _test, _version, _info, _size) { \ 652 .name = (stringify(_field)), \ 653 .version_id = (_version), \ 654 .field_exists = (_test), \ 655 .size = (_size), \ 656 .info = &(_info), \ 657 .flags = VMS_BUFFER, \ 658 .offset = offsetof(_state, _field), \ 659 } 660 661 #define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ 662 .name = (stringify(_field)), \ 663 .version_id = (_version), \ 664 .size = (_size), \ 665 .info = &vmstate_info_buffer, \ 666 .flags = VMS_BUFFER|VMS_POINTER, \ 667 .offset = offsetof(_state, _field), \ 668 } 669 670 /* Allocate a temporary of type 'tmp_type', set tmp->parent to _state 671 * and execute the vmsd on the temporary. Note that we're working with 672 * the whole of _state here, not a field within it. 673 * We compile time check that: 674 * That _tmp_type contains a 'parent' member that's a pointer to the 675 * '_state' type 676 * That the pointer is right at the start of _tmp_type. 677 */ 678 #define VMSTATE_WITH_TMP(_state, _tmp_type, _vmsd) { \ 679 .name = "tmp", \ 680 .size = sizeof(_tmp_type) + \ 681 QEMU_BUILD_BUG_ON_ZERO(offsetof(_tmp_type, parent) != 0) + \ 682 type_check_pointer(_state, \ 683 typeof_field(_tmp_type, parent)), \ 684 .vmsd = &(_vmsd), \ 685 .info = &vmstate_info_tmp, \ 686 } 687 688 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \ 689 .name = "unused", \ 690 .field_exists = (_test), \ 691 .version_id = (_version), \ 692 .size = (_size), \ 693 .info = &vmstate_info_unused_buffer, \ 694 .flags = VMS_BUFFER, \ 695 } 696 697 /* Discard size * field_num bytes, where field_num is a uint32 member */ 698 #define VMSTATE_UNUSED_VARRAY_UINT32(_state, _test, _version, _field_num, _size) {\ 699 .name = "unused", \ 700 .field_exists = (_test), \ 701 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ 702 .version_id = (_version), \ 703 .size = (_size), \ 704 .info = &vmstate_info_unused_buffer, \ 705 .flags = VMS_VARRAY_UINT32 | VMS_BUFFER, \ 706 } 707 708 /* _field_size should be a int32_t field in the _state struct giving the 709 * size of the bitmap _field in bits. 710 */ 711 #define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ 712 .name = (stringify(_field)), \ 713 .version_id = (_version), \ 714 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ 715 .info = &vmstate_info_bitmap, \ 716 .flags = VMS_VBUFFER|VMS_POINTER, \ 717 .offset = offsetof(_state, _field), \ 718 } 719 720 /* For migrating a QTAILQ. 721 * Target QTAILQ needs be properly initialized. 722 * _type: type of QTAILQ element 723 * _next: name of QTAILQ entry field in QTAILQ element 724 * _vmsd: VMSD for QTAILQ element 725 * size: size of QTAILQ element 726 * start: offset of QTAILQ entry in QTAILQ element 727 */ 728 #define VMSTATE_QTAILQ_V(_field, _state, _version, _vmsd, _type, _next) \ 729 { \ 730 .name = (stringify(_field)), \ 731 .version_id = (_version), \ 732 .vmsd = &(_vmsd), \ 733 .size = sizeof(_type), \ 734 .info = &vmstate_info_qtailq, \ 735 .offset = offsetof(_state, _field), \ 736 .start = offsetof(_type, _next), \ 737 } 738 739 /* _f : field name 740 _f_n : num of elements field_name 741 _n : num of elements 742 _s : struct state name 743 _v : version 744 */ 745 746 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \ 747 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type) 748 749 #define VMSTATE_VSTRUCT(_field, _state, _vmsd, _type, _struct_version)\ 750 VMSTATE_VSTRUCT_TEST(_field, _state, NULL, 0, _vmsd, _type, _struct_version) 751 752 #define VMSTATE_VSTRUCT_V(_field, _state, _version, _vmsd, _type, _struct_version) \ 753 VMSTATE_VSTRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type, \ 754 _struct_version) 755 756 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \ 757 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type) 758 759 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \ 760 VMSTATE_STRUCT_POINTER_V(_field, _state, 0, _vmsd, _type) 761 762 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) \ 763 VMSTATE_STRUCT_POINTER_TEST_V(_field, _state, _test, 0, _vmsd, _type) 764 765 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \ 766 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \ 767 _vmsd, _type) 768 769 #define VMSTATE_STRUCT_2DARRAY(_field, _state, _n1, _n2, _version, \ 770 _vmsd, _type) \ 771 VMSTATE_STRUCT_2DARRAY_TEST(_field, _state, _n1, _n2, NULL, \ 772 _version, _vmsd, _type) 773 774 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) \ 775 VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _state, NULL, _version, _info, \ 776 _size) 777 778 #define VMSTATE_BOOL_V(_f, _s, _v) \ 779 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool) 780 781 #define VMSTATE_INT8_V(_f, _s, _v) \ 782 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t) 783 #define VMSTATE_INT16_V(_f, _s, _v) \ 784 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t) 785 #define VMSTATE_INT32_V(_f, _s, _v) \ 786 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t) 787 #define VMSTATE_INT64_V(_f, _s, _v) \ 788 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t) 789 790 #define VMSTATE_UINT8_V(_f, _s, _v) \ 791 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t) 792 #define VMSTATE_UINT16_V(_f, _s, _v) \ 793 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t) 794 #define VMSTATE_UINT32_V(_f, _s, _v) \ 795 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t) 796 #define VMSTATE_UINT64_V(_f, _s, _v) \ 797 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t) 798 799 #define VMSTATE_BOOL(_f, _s) \ 800 VMSTATE_BOOL_V(_f, _s, 0) 801 802 #define VMSTATE_INT8(_f, _s) \ 803 VMSTATE_INT8_V(_f, _s, 0) 804 #define VMSTATE_INT16(_f, _s) \ 805 VMSTATE_INT16_V(_f, _s, 0) 806 #define VMSTATE_INT32(_f, _s) \ 807 VMSTATE_INT32_V(_f, _s, 0) 808 #define VMSTATE_INT64(_f, _s) \ 809 VMSTATE_INT64_V(_f, _s, 0) 810 811 #define VMSTATE_UINT8(_f, _s) \ 812 VMSTATE_UINT8_V(_f, _s, 0) 813 #define VMSTATE_UINT16(_f, _s) \ 814 VMSTATE_UINT16_V(_f, _s, 0) 815 #define VMSTATE_UINT32(_f, _s) \ 816 VMSTATE_UINT32_V(_f, _s, 0) 817 #define VMSTATE_UINT64(_f, _s) \ 818 VMSTATE_UINT64_V(_f, _s, 0) 819 820 #define VMSTATE_UINT8_EQUAL(_f, _s, _err_hint) \ 821 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \ 822 vmstate_info_uint8_equal, uint8_t, _err_hint) 823 824 #define VMSTATE_UINT16_EQUAL(_f, _s, _err_hint) \ 825 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \ 826 vmstate_info_uint16_equal, uint16_t, _err_hint) 827 828 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v, _err_hint) \ 829 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \ 830 vmstate_info_uint16_equal, uint16_t, _err_hint) 831 832 #define VMSTATE_INT32_EQUAL(_f, _s, _err_hint) \ 833 VMSTATE_SINGLE_FULL(_f, _s, 0, 0, \ 834 vmstate_info_int32_equal, int32_t, _err_hint) 835 836 #define VMSTATE_UINT32_EQUAL_V(_f, _s, _v, _err_hint) \ 837 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \ 838 vmstate_info_uint32_equal, uint32_t, _err_hint) 839 840 #define VMSTATE_UINT32_EQUAL(_f, _s, _err_hint) \ 841 VMSTATE_UINT32_EQUAL_V(_f, _s, 0, _err_hint) 842 843 #define VMSTATE_UINT64_EQUAL_V(_f, _s, _v, _err_hint) \ 844 VMSTATE_SINGLE_FULL(_f, _s, 0, _v, \ 845 vmstate_info_uint64_equal, uint64_t, _err_hint) 846 847 #define VMSTATE_UINT64_EQUAL(_f, _s, _err_hint) \ 848 VMSTATE_UINT64_EQUAL_V(_f, _s, 0, _err_hint) 849 850 #define VMSTATE_INT32_POSITIVE_LE(_f, _s) \ 851 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) 852 853 #define VMSTATE_INT8_TEST(_f, _s, _t) \ 854 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int8, int8_t) 855 856 #define VMSTATE_INT16_TEST(_f, _s, _t) \ 857 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int16, int16_t) 858 859 #define VMSTATE_INT32_TEST(_f, _s, _t) \ 860 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int32, int32_t) 861 862 #define VMSTATE_INT64_TEST(_f, _s, _t) \ 863 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_int64, int64_t) 864 865 #define VMSTATE_UINT8_TEST(_f, _s, _t) \ 866 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t) 867 868 #define VMSTATE_UINT16_TEST(_f, _s, _t) \ 869 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t) 870 871 #define VMSTATE_UINT32_TEST(_f, _s, _t) \ 872 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) 873 874 #define VMSTATE_UINT64_TEST(_f, _s, _t) \ 875 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint64, uint64_t) 876 877 878 #define VMSTATE_FLOAT64_V(_f, _s, _v) \ 879 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) 880 881 #define VMSTATE_FLOAT64(_f, _s) \ 882 VMSTATE_FLOAT64_V(_f, _s, 0) 883 884 #define VMSTATE_TIMER_PTR_TEST(_f, _s, _test) \ 885 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) 886 887 #define VMSTATE_TIMER_PTR_V(_f, _s, _v) \ 888 VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) 889 890 #define VMSTATE_TIMER_PTR(_f, _s) \ 891 VMSTATE_TIMER_PTR_V(_f, _s, 0) 892 893 #define VMSTATE_TIMER_PTR_ARRAY(_f, _s, _n) \ 894 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) 895 896 #define VMSTATE_TIMER_TEST(_f, _s, _test) \ 897 VMSTATE_SINGLE_TEST(_f, _s, _test, 0, vmstate_info_timer, QEMUTimer) 898 899 #define VMSTATE_TIMER_V(_f, _s, _v) \ 900 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_timer, QEMUTimer) 901 902 #define VMSTATE_TIMER(_f, _s) \ 903 VMSTATE_TIMER_V(_f, _s, 0) 904 905 #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ 906 VMSTATE_ARRAY(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer) 907 908 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \ 909 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool) 910 911 #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \ 912 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0) 913 914 #define VMSTATE_BOOL_SUB_ARRAY(_f, _s, _start, _num) \ 915 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_bool, bool) 916 917 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \ 918 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t) 919 920 #define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 921 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) 922 923 #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ 924 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) 925 926 #define VMSTATE_UINT16_SUB_ARRAY(_f, _s, _start, _num) \ 927 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint16, uint16_t) 928 929 #define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ 930 VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) 931 932 #define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 933 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) 934 935 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \ 936 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t) 937 938 #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \ 939 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0) 940 941 #define VMSTATE_UINT8_SUB_ARRAY(_f, _s, _start, _num) \ 942 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint8, uint8_t) 943 944 #define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ 945 VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) 946 947 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ 948 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) 949 950 #define VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 951 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint32, uint32_t) 952 953 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ 954 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) 955 956 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \ 957 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t) 958 959 #define VMSTATE_UINT32_2DARRAY(_f, _s, _n1, _n2) \ 960 VMSTATE_UINT32_2DARRAY_V(_f, _s, _n1, _n2, 0) 961 962 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \ 963 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t) 964 965 #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \ 966 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0) 967 968 #define VMSTATE_UINT64_SUB_ARRAY(_f, _s, _start, _num) \ 969 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint64, uint64_t) 970 971 #define VMSTATE_UINT64_2DARRAY(_f, _s, _n1, _n2) \ 972 VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, 0) 973 974 #define VMSTATE_UINT64_2DARRAY_V(_f, _s, _n1, _n2, _v) \ 975 VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint64, uint64_t) 976 977 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \ 978 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t) 979 980 #define VMSTATE_INT16_ARRAY(_f, _s, _n) \ 981 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0) 982 983 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \ 984 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t) 985 986 #define VMSTATE_INT32_ARRAY(_f, _s, _n) \ 987 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0) 988 989 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \ 990 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t) 991 992 #define VMSTATE_INT64_ARRAY(_f, _s, _n) \ 993 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) 994 995 #define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ 996 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) 997 998 #define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ 999 VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) 1000 1001 #define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \ 1002 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU) 1003 1004 #define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \ 1005 VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, 0) 1006 1007 #define VMSTATE_BUFFER_V(_f, _s, _v) \ 1008 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) 1009 1010 #define VMSTATE_BUFFER(_f, _s) \ 1011 VMSTATE_BUFFER_V(_f, _s, 0) 1012 1013 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \ 1014 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size) 1015 1016 #define VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, _v) \ 1017 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, _start, sizeof(typeof_field(_s, _f))) 1018 1019 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \ 1020 VMSTATE_BUFFER_START_MIDDLE_V(_f, _s, _start, 0) 1021 1022 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \ 1023 VMSTATE_VBUFFER(_f, _s, 0, NULL, _size) 1024 1025 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \ 1026 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, _size) 1027 1028 #define VMSTATE_BUFFER_TEST(_f, _s, _test) \ 1029 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f))) 1030 1031 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \ 1032 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size) 1033 1034 #define VMSTATE_UNUSED_V(_v, _size) \ 1035 VMSTATE_UNUSED_BUFFER(NULL, _v, _size) 1036 1037 #define VMSTATE_UNUSED(_size) \ 1038 VMSTATE_UNUSED_V(0, _size) 1039 1040 #define VMSTATE_UNUSED_TEST(_test, _size) \ 1041 VMSTATE_UNUSED_BUFFER(_test, 0, _size) 1042 1043 #define VMSTATE_END_OF_LIST() \ 1044 {} 1045 1046 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, 1047 void *opaque, int version_id); 1048 int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, 1049 void *opaque, QJSON *vmdesc); 1050 int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, 1051 void *opaque, QJSON *vmdesc, int version_id); 1052 1053 bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque); 1054 1055 /* Returns: 0 on success, -1 on failure */ 1056 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, 1057 const VMStateDescription *vmsd, 1058 void *base, int alias_id, 1059 int required_for_version, 1060 Error **errp); 1061 1062 /* Returns: 0 on success, -1 on failure */ 1063 static inline int vmstate_register(DeviceState *dev, int instance_id, 1064 const VMStateDescription *vmsd, 1065 void *opaque) 1066 { 1067 return vmstate_register_with_alias_id(dev, instance_id, vmsd, 1068 opaque, -1, 0, NULL); 1069 } 1070 1071 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd, 1072 void *opaque); 1073 1074 struct MemoryRegion; 1075 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); 1076 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); 1077 void vmstate_register_ram_global(struct MemoryRegion *memory); 1078 1079 bool vmstate_check_only_migratable(const VMStateDescription *vmsd); 1080 1081 #endif 1082