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