vmstate.h

   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 typedef void SaveSetParamsHandler(int blk_enable, int shared, void * opaque);
  30 typedef void SaveStateHandler(QEMUFile *f, void *opaque);
  31 typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque);
  32 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
  33
  34 int register_savevm(DeviceState *dev,
  35                     const char *idstr,
  36                     int instance_id,
  37                     int version_id,
  38                     SaveStateHandler *save_state,
  39                     LoadStateHandler *load_state,
  40                     void *opaque);
  41
  42 int register_savevm_live(DeviceState *dev,
  43                          const char *idstr,
  44                          int instance_id,
  45                          int version_id,
  46                          SaveSetParamsHandler *set_params,
  47                          SaveLiveStateHandler *save_live_state,
  48                          SaveStateHandler *save_state,
  49                          LoadStateHandler *load_state,
  50                          void *opaque);
  51
  52 void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
  53 void register_device_unmigratable(DeviceState *dev, const char *idstr,
  54                                                                 void *opaque);
  55
  56
  57 typedef struct VMStateInfo VMStateInfo;
  58 typedef struct VMStateDescription VMStateDescription;
  59
  60 struct VMStateInfo {
  61     const char *name;
  62     int (*get)(QEMUFile *f, void *pv, size_t size);
  63     void (*put)(QEMUFile *f, void *pv, size_t size);
  64 };
  65
  66 enum VMStateFlags {
  67     VMS_SINGLE           = 0x001,
  68     VMS_POINTER          = 0x002,
  69     VMS_ARRAY            = 0x004,
  70     VMS_STRUCT           = 0x008,
  71     VMS_VARRAY_INT32     = 0x010,  /* Array with size in int32_t field*/
  72     VMS_BUFFER           = 0x020,  /* static sized buffer */
  73     VMS_ARRAY_OF_POINTER = 0x040,
  74     VMS_VARRAY_UINT16    = 0x080,  /* Array with size in uint16_t field */
  75     VMS_VBUFFER          = 0x100,  /* Buffer with size in int32_t field */
  76     VMS_MULTIPLY         = 0x200,  /* multiply "size" field by field_size */
  77     VMS_VARRAY_UINT8     = 0x400,  /* Array with size in uint8_t field*/
  78     VMS_VARRAY_UINT32    = 0x800,  /* Array with size in uint32_t field*/
  79 };
  80
  81 typedef struct {
  82     const char *name;
  83     size_t offset;
  84     size_t size;
  85     size_t start;
  86     int num;
  87     size_t num_offset;
  88     size_t size_offset;
  89     const VMStateInfo *info;
  90     enum VMStateFlags flags;
  91     const VMStateDescription *vmsd;
  92     int version_id;
  93     bool (*field_exists)(void *opaque, int version_id);
  94 } VMStateField;
  95
  96 typedef struct VMStateSubsection {
  97     const VMStateDescription *vmsd;
  98     bool (*needed)(void *opaque);
  99 } VMStateSubsection;
 100
 101 struct VMStateDescription {
 102     const char *name;
 103     int unmigratable;
 104     int version_id;
 105     int minimum_version_id;
 106     int minimum_version_id_old;
 107     LoadStateHandler *load_state_old;
 108     int (*pre_load)(void *opaque);
 109     int (*post_load)(void *opaque, int version_id);
 110     void (*pre_save)(void *opaque);
 111     VMStateField *fields;
 112     const VMStateSubsection *subsections;
 113 };
 114
 115 extern const VMStateInfo vmstate_info_bool;
 116
 117 extern const VMStateInfo vmstate_info_int8;
 118 extern const VMStateInfo vmstate_info_int16;
 119 extern const VMStateInfo vmstate_info_int32;
 120 extern const VMStateInfo vmstate_info_int64;
 121
 122 extern const VMStateInfo vmstate_info_uint8_equal;
 123 extern const VMStateInfo vmstate_info_uint16_equal;
 124 extern const VMStateInfo vmstate_info_int32_equal;
 125 extern const VMStateInfo vmstate_info_uint32_equal;
 126 extern const VMStateInfo vmstate_info_int32_le;
 127
 128 extern const VMStateInfo vmstate_info_uint8;
 129 extern const VMStateInfo vmstate_info_uint16;
 130 extern const VMStateInfo vmstate_info_uint32;
 131 extern const VMStateInfo vmstate_info_uint64;
 132
 133 extern const VMStateInfo vmstate_info_timer;
 134 extern const VMStateInfo vmstate_info_buffer;
 135 extern const VMStateInfo vmstate_info_unused_buffer;
 136
 137 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
 138 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
 139
 140 #define vmstate_offset_value(_state, _field, _type)                  \
 141     (offsetof(_state, _field) +                                      \
 142      type_check(_type, typeof_field(_state, _field)))
 143
 144 #define vmstate_offset_pointer(_state, _field, _type)                \
 145     (offsetof(_state, _field) +                                      \
 146      type_check_pointer(_type, typeof_field(_state, _field)))
 147
 148 #define vmstate_offset_array(_state, _field, _type, _num)            \
 149     (offsetof(_state, _field) +                                      \
 150      type_check_array(_type, typeof_field(_state, _field), _num))
 151
 152 #define vmstate_offset_sub_array(_state, _field, _type, _start)      \
 153     (offsetof(_state, _field[_start]))
 154
 155 #define vmstate_offset_buffer(_state, _field)                        \
 156     vmstate_offset_array(_state, _field, uint8_t,                    \
 157                          sizeof(typeof_field(_state, _field)))
 158
 159 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
 160     .name         = (stringify(_field)),                             \
 161     .version_id   = (_version),                                      \
 162     .field_exists = (_test),                                         \
 163     .size         = sizeof(_type),                                   \
 164     .info         = &(_info),                                        \
 165     .flags        = VMS_SINGLE,                                      \
 166     .offset       = vmstate_offset_value(_state, _field, _type),     \
 167 }
 168
 169 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
 170     .name       = (stringify(_field)),                               \
 171     .version_id = (_version),                                        \
 172     .info       = &(_info),                                          \
 173     .size       = sizeof(_type),                                     \
 174     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 175     .offset     = vmstate_offset_value(_state, _field, _type),       \
 176 }
 177
 178 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) {  \
 179     .name       = (stringify(_field)),                               \
 180     .info       = &(_info),                                          \
 181     .field_exists = (_test),                                         \
 182     .size       = sizeof(_type),                                     \
 183     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 184     .offset     = vmstate_offset_value(_state, _field, _type),       \
 185 }
 186
 187 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
 188     .name       = (stringify(_field)),                               \
 189     .version_id = (_version),                                        \
 190     .num        = (_num),                                            \
 191     .info       = &(_info),                                          \
 192     .size       = sizeof(_type),                                     \
 193     .flags      = VMS_ARRAY,                                         \
 194     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 195 }
 196
 197 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
 198     .name         = (stringify(_field)),                              \
 199     .field_exists = (_test),                                          \
 200     .num          = (_num),                                           \
 201     .info         = &(_info),                                         \
 202     .size         = sizeof(_type),                                    \
 203     .flags        = VMS_ARRAY,                                        \
 204     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 205 }
 206
 207 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
 208     .name       = (stringify(_field)),                               \
 209     .version_id = (_version),                                        \
 210     .num        = (_num),                                            \
 211     .info       = &(_info),                                          \
 212     .size       = sizeof(_type),                                     \
 213     .flags      = VMS_ARRAY,                                         \
 214     .offset     = vmstate_offset_sub_array(_state, _field, _type, _start), \
 215 }
 216
 217 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
 218     .name       = (stringify(_field)),                               \
 219     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 220     .info       = &(_info),                                          \
 221     .size       = sizeof(_type),                                     \
 222     .flags      = VMS_VARRAY_INT32,                                  \
 223     .offset     = offsetof(_state, _field),                          \
 224 }
 225
 226 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
 227     .name       = (stringify(_field)),                               \
 228     .version_id = (_version),                                        \
 229     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 230     .info       = &(_info),                                          \
 231     .size       = sizeof(_type),                                     \
 232     .flags      = VMS_VARRAY_INT32|VMS_POINTER,                      \
 233     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 234 }
 235
 236 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
 237     .name       = (stringify(_field)),                               \
 238     .version_id = (_version),                                        \
 239     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
 240     .info       = &(_info),                                          \
 241     .size       = sizeof(_type),                                     \
 242     .flags      = VMS_VARRAY_UINT32|VMS_POINTER,                     \
 243     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 244 }
 245
 246 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
 247     .name       = (stringify(_field)),                               \
 248     .version_id = (_version),                                        \
 249     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 250     .info       = &(_info),                                          \
 251     .size       = sizeof(_type),                                     \
 252     .flags      = VMS_VARRAY_UINT16,                                 \
 253     .offset     = offsetof(_state, _field),                          \
 254 }
 255
 256 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
 257     .name         = (stringify(_field)),                             \
 258     .version_id   = (_version),                                      \
 259     .field_exists = (_test),                                         \
 260     .vmsd         = &(_vmsd),                                        \
 261     .size         = sizeof(_type),                                   \
 262     .flags        = VMS_STRUCT,                                      \
 263     .offset       = vmstate_offset_value(_state, _field, _type),     \
 264 }
 265
 266 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
 267     .name         = (stringify(_field)),                             \
 268     .field_exists = (_test),                                         \
 269     .vmsd         = &(_vmsd),                                        \
 270     .size         = sizeof(_type),                                   \
 271     .flags        = VMS_STRUCT|VMS_POINTER,                          \
 272     .offset       = vmstate_offset_value(_state, _field, _type),     \
 273 }
 274
 275 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
 276     .name       = (stringify(_field)),                               \
 277     .version_id = (_version),                                        \
 278     .num        = (_num),                                            \
 279     .info       = &(_info),                                          \
 280     .size       = sizeof(_type),                                     \
 281     .flags      = VMS_ARRAY|VMS_ARRAY_OF_POINTER,                    \
 282     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 283 }
 284
 285 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
 286     .name         = (stringify(_field)),                             \
 287     .num          = (_num),                                          \
 288     .field_exists = (_test),                                         \
 289     .version_id   = (_version),                                      \
 290     .vmsd         = &(_vmsd),                                        \
 291     .size         = sizeof(_type),                                   \
 292     .flags        = VMS_STRUCT|VMS_ARRAY,                            \
 293     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 294 }
 295
 296 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
 297     .name       = (stringify(_field)),                               \
 298     .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
 299     .version_id = (_version),                                        \
 300     .vmsd       = &(_vmsd),                                          \
 301     .size       = sizeof(_type),                                     \
 302     .flags      = VMS_STRUCT|VMS_VARRAY_UINT8,                       \
 303     .offset     = offsetof(_state, _field),                          \
 304 }
 305
 306 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
 307     .name       = (stringify(_field)),                               \
 308     .version_id = 0,                                                 \
 309     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 310     .size       = sizeof(_type),                                     \
 311     .vmsd       = &(_vmsd),                                          \
 312     .flags      = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT,       \
 313     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 314 }
 315
 316 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
 317     .name       = (stringify(_field)),                               \
 318     .version_id = 0,                                                 \
 319     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 320     .size       = sizeof(_type),                                     \
 321     .vmsd       = &(_vmsd),                                          \
 322     .flags      = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT,      \
 323     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 324 }
 325
 326 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 327     .name       = (stringify(_field)),                               \
 328     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 329     .version_id = (_version),                                        \
 330     .vmsd       = &(_vmsd),                                          \
 331     .size       = sizeof(_type),                                     \
 332     .flags      = VMS_STRUCT|VMS_VARRAY_INT32,                       \
 333     .offset     = offsetof(_state, _field),                          \
 334 }
 335
 336 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 337     .name       = (stringify(_field)),                               \
 338     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
 339     .version_id = (_version),                                        \
 340     .vmsd       = &(_vmsd),                                          \
 341     .size       = sizeof(_type),                                     \
 342     .flags      = VMS_STRUCT|VMS_VARRAY_UINT32,                      \
 343     .offset     = offsetof(_state, _field),                          \
 344 }
 345
 346 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
 347     .name         = (stringify(_field)),                             \
 348     .version_id   = (_version),                                      \
 349     .field_exists = (_test),                                         \
 350     .size         = (_size - _start),                                \
 351     .info         = &vmstate_info_buffer,                            \
 352     .flags        = VMS_BUFFER,                                      \
 353     .offset       = vmstate_offset_buffer(_state, _field) + _start,  \
 354 }
 355
 356 #define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
 357     .name         = (stringify(_field)),                             \
 358     .version_id   = (_version),                                      \
 359     .field_exists = (_test),                                         \
 360     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 361     .size         = (_multiply),                                      \
 362     .info         = &vmstate_info_buffer,                            \
 363     .flags        = VMS_VBUFFER|VMS_MULTIPLY,                        \
 364     .offset       = offsetof(_state, _field),                        \
 365     .start        = (_start),                                        \
 366 }
 367
 368 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
 369     .name         = (stringify(_field)),                             \
 370     .version_id   = (_version),                                      \
 371     .field_exists = (_test),                                         \
 372     .size_offset  = vmstate_offset_value(_state, _field_size, int32_t),\
 373     .info         = &vmstate_info_buffer,                            \
 374     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 375     .offset       = offsetof(_state, _field),                        \
 376     .start        = (_start),                                        \
 377 }
 378
 379 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
 380     .name         = (stringify(_field)),                             \
 381     .version_id   = (_version),                                      \
 382     .field_exists = (_test),                                         \
 383     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 384     .info         = &vmstate_info_buffer,                            \
 385     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 386     .offset       = offsetof(_state, _field),                        \
 387     .start        = (_start),                                        \
 388 }
 389
 390 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
 391     .name       = (stringify(_field)),                               \
 392     .version_id = (_version),                                        \
 393     .size       = (_size),                                           \
 394     .info       = &(_info),                                          \
 395     .flags      = VMS_BUFFER,                                        \
 396     .offset     = offsetof(_state, _field),                          \
 397 }
 398
 399 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) {              \
 400     .name         = "unused",                                        \
 401     .field_exists = (_test),                                         \
 402     .version_id   = (_version),                                      \
 403     .size         = (_size),                                         \
 404     .info         = &vmstate_info_unused_buffer,                     \
 405     .flags        = VMS_BUFFER,                                      \
 406 }
 407
 408 /* _f : field name
 409    _f_n : num of elements field_name
 410    _n : num of elements
 411    _s : struct state name
 412    _v : version
 413 */
 414
 415 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type)        \
 416     VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
 417
 418 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type)        \
 419     VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
 420
 421 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type)          \
 422     VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
 423
 424 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
 425     VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version,   \
 426             _vmsd, _type)
 427
 428 #define VMSTATE_BOOL_V(_f, _s, _v)                                    \
 429     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
 430
 431 #define VMSTATE_INT8_V(_f, _s, _v)                                    \
 432     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
 433 #define VMSTATE_INT16_V(_f, _s, _v)                                   \
 434     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
 435 #define VMSTATE_INT32_V(_f, _s, _v)                                   \
 436     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
 437 #define VMSTATE_INT64_V(_f, _s, _v)                                   \
 438     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
 439
 440 #define VMSTATE_UINT8_V(_f, _s, _v)                                   \
 441     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
 442 #define VMSTATE_UINT16_V(_f, _s, _v)                                  \
 443     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
 444 #define VMSTATE_UINT32_V(_f, _s, _v)                                  \
 445     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
 446 #define VMSTATE_UINT64_V(_f, _s, _v)                                  \
 447     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
 448
 449 #define VMSTATE_BOOL(_f, _s)                                          \
 450     VMSTATE_BOOL_V(_f, _s, 0)
 451
 452 #define VMSTATE_INT8(_f, _s)                                          \
 453     VMSTATE_INT8_V(_f, _s, 0)
 454 #define VMSTATE_INT16(_f, _s)                                         \
 455     VMSTATE_INT16_V(_f, _s, 0)
 456 #define VMSTATE_INT32(_f, _s)                                         \
 457     VMSTATE_INT32_V(_f, _s, 0)
 458 #define VMSTATE_INT64(_f, _s)                                         \
 459     VMSTATE_INT64_V(_f, _s, 0)
 460
 461 #define VMSTATE_UINT8(_f, _s)                                         \
 462     VMSTATE_UINT8_V(_f, _s, 0)
 463 #define VMSTATE_UINT16(_f, _s)                                        \
 464     VMSTATE_UINT16_V(_f, _s, 0)
 465 #define VMSTATE_UINT32(_f, _s)                                        \
 466     VMSTATE_UINT32_V(_f, _s, 0)
 467 #define VMSTATE_UINT64(_f, _s)                                        \
 468     VMSTATE_UINT64_V(_f, _s, 0)
 469
 470 #define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
 471     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
 472
 473 #define VMSTATE_UINT16_EQUAL(_f, _s)                                  \
 474     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
 475
 476 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v)                            \
 477     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
 478
 479 #define VMSTATE_INT32_EQUAL(_f, _s)                                   \
 480     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
 481
 482 #define VMSTATE_UINT32_EQUAL(_f, _s)                                   \
 483     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
 484
 485 #define VMSTATE_INT32_LE(_f, _s)                                   \
 486     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
 487
 488 #define VMSTATE_UINT8_TEST(_f, _s, _t)                               \
 489     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
 490
 491 #define VMSTATE_UINT16_TEST(_f, _s, _t)                               \
 492     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
 493
 494 #define VMSTATE_UINT32_TEST(_f, _s, _t)                                  \
 495     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
 496
 497 #define VMSTATE_TIMER_TEST(_f, _s, _test)                             \
 498     VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
 499
 500 #define VMSTATE_TIMER(_f, _s)                                         \
 501     VMSTATE_TIMER_TEST(_f, _s, NULL)
 502
 503 #define VMSTATE_TIMER_ARRAY(_f, _s, _n)                              \
 504     VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
 505
 506 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v)                         \
 507     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
 508
 509 #define VMSTATE_BOOL_ARRAY(_f, _s, _n)                               \
 510     VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
 511
 512 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v)                         \
 513     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
 514
 515 #define VMSTATE_UINT16_ARRAY(_f, _s, _n)                               \
 516     VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
 517
 518 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v)                         \
 519     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
 520
 521 #define VMSTATE_UINT8_ARRAY(_f, _s, _n)                               \
 522     VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
 523
 524 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)                        \
 525     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
 526
 527 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 528     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 529
 530 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)                        \
 531     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
 532
 533 #define VMSTATE_UINT64_ARRAY(_f, _s, _n)                              \
 534     VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
 535
 536 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v)                         \
 537     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
 538
 539 #define VMSTATE_INT16_ARRAY(_f, _s, _n)                               \
 540     VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
 541
 542 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v)                         \
 543     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
 544
 545 #define VMSTATE_INT32_ARRAY(_f, _s, _n)                               \
 546     VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
 547
 548 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num)                \
 549     VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
 550
 551 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 552     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 553
 554 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v)                         \
 555     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
 556
 557 #define VMSTATE_INT64_ARRAY(_f, _s, _n)                               \
 558     VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
 559
 560 #define VMSTATE_BUFFER_V(_f, _s, _v)                                  \
 561     VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
 562
 563 #define VMSTATE_BUFFER(_f, _s)                                        \
 564     VMSTATE_BUFFER_V(_f, _s, 0)
 565
 566 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size)                         \
 567     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
 568
 569 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
 570     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
 571
 572 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size)                        \
 573     VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
 574
 575 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size)                        \
 576     VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
 577
 578 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size)                    \
 579     VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
 580
 581 #define VMSTATE_BUFFER_TEST(_f, _s, _test)                            \
 582     VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
 583
 584 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size)        \
 585     VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
 586
 587 #define VMSTATE_UNUSED_V(_v, _size)                                   \
 588     VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
 589
 590 #define VMSTATE_UNUSED(_size)                                         \
 591     VMSTATE_UNUSED_V(0, _size)
 592
 593 #define VMSTATE_UNUSED_TEST(_test, _size)                             \
 594     VMSTATE_UNUSED_BUFFER(_test, 0, _size)
 595
 596 #define VMSTATE_END_OF_LIST()                                         \
 597     {}
 598
 599 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
 600                        void *opaque, int version_id);
 601 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
 602                         void *opaque);
 603 int vmstate_register(DeviceState *dev, int instance_id,
 604                      const VMStateDescription *vmsd, void *base);
 605 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
 606                                    const VMStateDescription *vmsd,
 607                                    void *base, int alias_id,
 608                                    int required_for_version);
 609 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
 610                         void *opaque);
 611
 612 struct MemoryRegion;
 613 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
 614 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
 615 void vmstate_register_ram_global(struct MemoryRegion *memory);
 616
 617 #endif