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