vmstate.h

   1 /*
   2  * QEMU migration/snapshot declarations
   3  *
   4  * Copyright (c) 2009-2011 Red Hat, Inc.
   5  *
   6  * Original author: Juan Quintela <[email protected]>
   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 SaveStateHandler(QEMUFile *f, void *opaque);
  30 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
  31
  32 typedef struct SaveVMHandlers {
  33     void (*set_params)(const MigrationParams *params, void * opaque);
  34     SaveStateHandler *save_state;
  35     int (*save_live_setup)(QEMUFile *f, void *opaque);
  36     int (*save_live_state)(QEMUFile *f, int stage, void *opaque);
  37     void (*cancel)(void *opaque);
  38     LoadStateHandler *load_state;
  39     bool (*is_active)(void *opaque);
  40 } SaveVMHandlers;
  41
  42 int register_savevm(DeviceState *dev,
  43                     const char *idstr,
  44                     int instance_id,
  45                     int version_id,
  46                     SaveStateHandler *save_state,
  47                     LoadStateHandler *load_state,
  48                     void *opaque);
  49
  50 int register_savevm_live(DeviceState *dev,
  51                          const char *idstr,
  52                          int instance_id,
  53                          int version_id,
  54                          SaveVMHandlers *ops,
  55                          void *opaque);
  56
  57 void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
  58 void register_device_unmigratable(DeviceState *dev, const char *idstr,
  59                                                                 void *opaque);
  60
  61
  62 typedef struct VMStateInfo VMStateInfo;
  63 typedef struct VMStateDescription VMStateDescription;
  64
  65 struct VMStateInfo {
  66     const char *name;
  67     int (*get)(QEMUFile *f, void *pv, size_t size);
  68     void (*put)(QEMUFile *f, void *pv, size_t size);
  69 };
  70
  71 enum VMStateFlags {
  72     VMS_SINGLE           = 0x001,
  73     VMS_POINTER          = 0x002,
  74     VMS_ARRAY            = 0x004,
  75     VMS_STRUCT           = 0x008,
  76     VMS_VARRAY_INT32     = 0x010,  /* Array with size in int32_t field*/
  77     VMS_BUFFER           = 0x020,  /* static sized buffer */
  78     VMS_ARRAY_OF_POINTER = 0x040,
  79     VMS_VARRAY_UINT16    = 0x080,  /* Array with size in uint16_t field */
  80     VMS_VBUFFER          = 0x100,  /* Buffer with size in int32_t field */
  81     VMS_MULTIPLY         = 0x200,  /* multiply "size" field by field_size */
  82     VMS_VARRAY_UINT8     = 0x400,  /* Array with size in uint8_t field*/
  83     VMS_VARRAY_UINT32    = 0x800,  /* Array with size in uint32_t field*/
  84 };
  85
  86 typedef struct {
  87     const char *name;
  88     size_t offset;
  89     size_t size;
  90     size_t start;
  91     int num;
  92     size_t num_offset;
  93     size_t size_offset;
  94     const VMStateInfo *info;
  95     enum VMStateFlags flags;
  96     const VMStateDescription *vmsd;
  97     int version_id;
  98     bool (*field_exists)(void *opaque, int version_id);
  99 } VMStateField;
 100
 101 typedef struct VMStateSubsection {
 102     const VMStateDescription *vmsd;
 103     bool (*needed)(void *opaque);
 104 } VMStateSubsection;
 105
 106 struct VMStateDescription {
 107     const char *name;
 108     int unmigratable;
 109     int version_id;
 110     int minimum_version_id;
 111     int minimum_version_id_old;
 112     LoadStateHandler *load_state_old;
 113     int (*pre_load)(void *opaque);
 114     int (*post_load)(void *opaque, int version_id);
 115     void (*pre_save)(void *opaque);
 116     VMStateField *fields;
 117     const VMStateSubsection *subsections;
 118 };
 119
 120 extern const VMStateInfo vmstate_info_bool;
 121
 122 extern const VMStateInfo vmstate_info_int8;
 123 extern const VMStateInfo vmstate_info_int16;
 124 extern const VMStateInfo vmstate_info_int32;
 125 extern const VMStateInfo vmstate_info_int64;
 126
 127 extern const VMStateInfo vmstate_info_uint8_equal;
 128 extern const VMStateInfo vmstate_info_uint16_equal;
 129 extern const VMStateInfo vmstate_info_int32_equal;
 130 extern const VMStateInfo vmstate_info_uint32_equal;
 131 extern const VMStateInfo vmstate_info_int32_le;
 132
 133 extern const VMStateInfo vmstate_info_uint8;
 134 extern const VMStateInfo vmstate_info_uint16;
 135 extern const VMStateInfo vmstate_info_uint32;
 136 extern const VMStateInfo vmstate_info_uint64;
 137
 138 extern const VMStateInfo vmstate_info_timer;
 139 extern const VMStateInfo vmstate_info_buffer;
 140 extern const VMStateInfo vmstate_info_unused_buffer;
 141
 142 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
 143 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
 144
 145 #define vmstate_offset_value(_state, _field, _type)                  \
 146     (offsetof(_state, _field) +                                      \
 147      type_check(_type, typeof_field(_state, _field)))
 148
 149 #define vmstate_offset_pointer(_state, _field, _type)                \
 150     (offsetof(_state, _field) +                                      \
 151      type_check_pointer(_type, typeof_field(_state, _field)))
 152
 153 #define vmstate_offset_array(_state, _field, _type, _num)            \
 154     (offsetof(_state, _field) +                                      \
 155      type_check_array(_type, typeof_field(_state, _field), _num))
 156
 157 #define vmstate_offset_sub_array(_state, _field, _type, _start)      \
 158     (offsetof(_state, _field[_start]))
 159
 160 #define vmstate_offset_buffer(_state, _field)                        \
 161     vmstate_offset_array(_state, _field, uint8_t,                    \
 162                          sizeof(typeof_field(_state, _field)))
 163
 164 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
 165     .name         = (stringify(_field)),                             \
 166     .version_id   = (_version),                                      \
 167     .field_exists = (_test),                                         \
 168     .size         = sizeof(_type),                                   \
 169     .info         = &(_info),                                        \
 170     .flags        = VMS_SINGLE,                                      \
 171     .offset       = vmstate_offset_value(_state, _field, _type),     \
 172 }
 173
 174 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
 175     .name       = (stringify(_field)),                               \
 176     .version_id = (_version),                                        \
 177     .info       = &(_info),                                          \
 178     .size       = sizeof(_type),                                     \
 179     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 180     .offset     = vmstate_offset_value(_state, _field, _type),       \
 181 }
 182
 183 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) {  \
 184     .name       = (stringify(_field)),                               \
 185     .info       = &(_info),                                          \
 186     .field_exists = (_test),                                         \
 187     .size       = sizeof(_type),                                     \
 188     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 189     .offset     = vmstate_offset_value(_state, _field, _type),       \
 190 }
 191
 192 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
 193     .name       = (stringify(_field)),                               \
 194     .version_id = (_version),                                        \
 195     .num        = (_num),                                            \
 196     .info       = &(_info),                                          \
 197     .size       = sizeof(_type),                                     \
 198     .flags      = VMS_ARRAY,                                         \
 199     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 200 }
 201
 202 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
 203     .name         = (stringify(_field)),                              \
 204     .field_exists = (_test),                                          \
 205     .num          = (_num),                                           \
 206     .info         = &(_info),                                         \
 207     .size         = sizeof(_type),                                    \
 208     .flags        = VMS_ARRAY,                                        \
 209     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 210 }
 211
 212 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
 213     .name       = (stringify(_field)),                               \
 214     .version_id = (_version),                                        \
 215     .num        = (_num),                                            \
 216     .info       = &(_info),                                          \
 217     .size       = sizeof(_type),                                     \
 218     .flags      = VMS_ARRAY,                                         \
 219     .offset     = vmstate_offset_sub_array(_state, _field, _type, _start), \
 220 }
 221
 222 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
 223     .name       = (stringify(_field)),                               \
 224     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 225     .info       = &(_info),                                          \
 226     .size       = sizeof(_type),                                     \
 227     .flags      = VMS_VARRAY_INT32,                                  \
 228     .offset     = offsetof(_state, _field),                          \
 229 }
 230
 231 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
 232     .name       = (stringify(_field)),                               \
 233     .version_id = (_version),                                        \
 234     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 235     .info       = &(_info),                                          \
 236     .size       = sizeof(_type),                                     \
 237     .flags      = VMS_VARRAY_INT32|VMS_POINTER,                      \
 238     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 239 }
 240
 241 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
 242     .name       = (stringify(_field)),                               \
 243     .version_id = (_version),                                        \
 244     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
 245     .info       = &(_info),                                          \
 246     .size       = sizeof(_type),                                     \
 247     .flags      = VMS_VARRAY_UINT32|VMS_POINTER,                     \
 248     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 249 }
 250
 251 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
 252     .name       = (stringify(_field)),                               \
 253     .version_id = (_version),                                        \
 254     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 255     .info       = &(_info),                                          \
 256     .size       = sizeof(_type),                                     \
 257     .flags      = VMS_VARRAY_UINT16,                                 \
 258     .offset     = offsetof(_state, _field),                          \
 259 }
 260
 261 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
 262     .name         = (stringify(_field)),                             \
 263     .version_id   = (_version),                                      \
 264     .field_exists = (_test),                                         \
 265     .vmsd         = &(_vmsd),                                        \
 266     .size         = sizeof(_type),                                   \
 267     .flags        = VMS_STRUCT,                                      \
 268     .offset       = vmstate_offset_value(_state, _field, _type),     \
 269 }
 270
 271 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
 272     .name         = (stringify(_field)),                             \
 273     .field_exists = (_test),                                         \
 274     .vmsd         = &(_vmsd),                                        \
 275     .size         = sizeof(_type),                                   \
 276     .flags        = VMS_STRUCT|VMS_POINTER,                          \
 277     .offset       = vmstate_offset_value(_state, _field, _type),     \
 278 }
 279
 280 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
 281     .name       = (stringify(_field)),                               \
 282     .version_id = (_version),                                        \
 283     .num        = (_num),                                            \
 284     .info       = &(_info),                                          \
 285     .size       = sizeof(_type),                                     \
 286     .flags      = VMS_ARRAY|VMS_ARRAY_OF_POINTER,                    \
 287     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 288 }
 289
 290 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
 291     .name         = (stringify(_field)),                             \
 292     .num          = (_num),                                          \
 293     .field_exists = (_test),                                         \
 294     .version_id   = (_version),                                      \
 295     .vmsd         = &(_vmsd),                                        \
 296     .size         = sizeof(_type),                                   \
 297     .flags        = VMS_STRUCT|VMS_ARRAY,                            \
 298     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 299 }
 300
 301 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
 302     .name       = (stringify(_field)),                               \
 303     .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
 304     .version_id = (_version),                                        \
 305     .vmsd       = &(_vmsd),                                          \
 306     .size       = sizeof(_type),                                     \
 307     .flags      = VMS_STRUCT|VMS_VARRAY_UINT8,                       \
 308     .offset     = offsetof(_state, _field),                          \
 309 }
 310
 311 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
 312     .name       = (stringify(_field)),                               \
 313     .version_id = 0,                                                 \
 314     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 315     .size       = sizeof(_type),                                     \
 316     .vmsd       = &(_vmsd),                                          \
 317     .flags      = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT,       \
 318     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 319 }
 320
 321 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
 322     .name       = (stringify(_field)),                               \
 323     .version_id = 0,                                                 \
 324     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 325     .size       = sizeof(_type),                                     \
 326     .vmsd       = &(_vmsd),                                          \
 327     .flags      = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT,      \
 328     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 329 }
 330
 331 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 332     .name       = (stringify(_field)),                               \
 333     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 334     .version_id = (_version),                                        \
 335     .vmsd       = &(_vmsd),                                          \
 336     .size       = sizeof(_type),                                     \
 337     .flags      = VMS_STRUCT|VMS_VARRAY_INT32,                       \
 338     .offset     = offsetof(_state, _field),                          \
 339 }
 340
 341 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 342     .name       = (stringify(_field)),                               \
 343     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
 344     .version_id = (_version),                                        \
 345     .vmsd       = &(_vmsd),                                          \
 346     .size       = sizeof(_type),                                     \
 347     .flags      = VMS_STRUCT|VMS_VARRAY_UINT32,                      \
 348     .offset     = offsetof(_state, _field),                          \
 349 }
 350
 351 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
 352     .name         = (stringify(_field)),                             \
 353     .version_id   = (_version),                                      \
 354     .field_exists = (_test),                                         \
 355     .size         = (_size - _start),                                \
 356     .info         = &vmstate_info_buffer,                            \
 357     .flags        = VMS_BUFFER,                                      \
 358     .offset       = vmstate_offset_buffer(_state, _field) + _start,  \
 359 }
 360
 361 #define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
 362     .name         = (stringify(_field)),                             \
 363     .version_id   = (_version),                                      \
 364     .field_exists = (_test),                                         \
 365     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 366     .size         = (_multiply),                                      \
 367     .info         = &vmstate_info_buffer,                            \
 368     .flags        = VMS_VBUFFER|VMS_MULTIPLY,                        \
 369     .offset       = offsetof(_state, _field),                        \
 370     .start        = (_start),                                        \
 371 }
 372
 373 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
 374     .name         = (stringify(_field)),                             \
 375     .version_id   = (_version),                                      \
 376     .field_exists = (_test),                                         \
 377     .size_offset  = vmstate_offset_value(_state, _field_size, int32_t),\
 378     .info         = &vmstate_info_buffer,                            \
 379     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 380     .offset       = offsetof(_state, _field),                        \
 381     .start        = (_start),                                        \
 382 }
 383
 384 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
 385     .name         = (stringify(_field)),                             \
 386     .version_id   = (_version),                                      \
 387     .field_exists = (_test),                                         \
 388     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 389     .info         = &vmstate_info_buffer,                            \
 390     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 391     .offset       = offsetof(_state, _field),                        \
 392     .start        = (_start),                                        \
 393 }
 394
 395 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
 396     .name       = (stringify(_field)),                               \
 397     .version_id = (_version),                                        \
 398     .size       = (_size),                                           \
 399     .info       = &(_info),                                          \
 400     .flags      = VMS_BUFFER,                                        \
 401     .offset     = offsetof(_state, _field),                          \
 402 }
 403
 404 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) {              \
 405     .name         = "unused",                                        \
 406     .field_exists = (_test),                                         \
 407     .version_id   = (_version),                                      \
 408     .size         = (_size),                                         \
 409     .info         = &vmstate_info_unused_buffer,                     \
 410     .flags        = VMS_BUFFER,                                      \
 411 }
 412
 413 /* _f : field name
 414    _f_n : num of elements field_name
 415    _n : num of elements
 416    _s : struct state name
 417    _v : version
 418 */
 419
 420 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type)        \
 421     VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
 422
 423 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type)        \
 424     VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
 425
 426 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type)          \
 427     VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
 428
 429 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
 430     VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version,   \
 431             _vmsd, _type)
 432
 433 #define VMSTATE_BOOL_V(_f, _s, _v)                                    \
 434     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
 435
 436 #define VMSTATE_INT8_V(_f, _s, _v)                                    \
 437     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
 438 #define VMSTATE_INT16_V(_f, _s, _v)                                   \
 439     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
 440 #define VMSTATE_INT32_V(_f, _s, _v)                                   \
 441     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
 442 #define VMSTATE_INT64_V(_f, _s, _v)                                   \
 443     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
 444
 445 #define VMSTATE_UINT8_V(_f, _s, _v)                                   \
 446     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
 447 #define VMSTATE_UINT16_V(_f, _s, _v)                                  \
 448     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
 449 #define VMSTATE_UINT32_V(_f, _s, _v)                                  \
 450     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
 451 #define VMSTATE_UINT64_V(_f, _s, _v)                                  \
 452     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
 453
 454 #define VMSTATE_BOOL(_f, _s)                                          \
 455     VMSTATE_BOOL_V(_f, _s, 0)
 456
 457 #define VMSTATE_INT8(_f, _s)                                          \
 458     VMSTATE_INT8_V(_f, _s, 0)
 459 #define VMSTATE_INT16(_f, _s)                                         \
 460     VMSTATE_INT16_V(_f, _s, 0)
 461 #define VMSTATE_INT32(_f, _s)                                         \
 462     VMSTATE_INT32_V(_f, _s, 0)
 463 #define VMSTATE_INT64(_f, _s)                                         \
 464     VMSTATE_INT64_V(_f, _s, 0)
 465
 466 #define VMSTATE_UINT8(_f, _s)                                         \
 467     VMSTATE_UINT8_V(_f, _s, 0)
 468 #define VMSTATE_UINT16(_f, _s)                                        \
 469     VMSTATE_UINT16_V(_f, _s, 0)
 470 #define VMSTATE_UINT32(_f, _s)                                        \
 471     VMSTATE_UINT32_V(_f, _s, 0)
 472 #define VMSTATE_UINT64(_f, _s)                                        \
 473     VMSTATE_UINT64_V(_f, _s, 0)
 474
 475 #define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
 476     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
 477
 478 #define VMSTATE_UINT16_EQUAL(_f, _s)                                  \
 479     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
 480
 481 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v)                            \
 482     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
 483
 484 #define VMSTATE_INT32_EQUAL(_f, _s)                                   \
 485     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
 486
 487 #define VMSTATE_UINT32_EQUAL(_f, _s)                                   \
 488     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
 489
 490 #define VMSTATE_INT32_LE(_f, _s)                                   \
 491     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
 492
 493 #define VMSTATE_UINT8_TEST(_f, _s, _t)                               \
 494     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
 495
 496 #define VMSTATE_UINT16_TEST(_f, _s, _t)                               \
 497     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
 498
 499 #define VMSTATE_UINT32_TEST(_f, _s, _t)                                  \
 500     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
 501
 502 #define VMSTATE_TIMER_TEST(_f, _s, _test)                             \
 503     VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
 504
 505 #define VMSTATE_TIMER(_f, _s)                                         \
 506     VMSTATE_TIMER_TEST(_f, _s, NULL)
 507
 508 #define VMSTATE_TIMER_ARRAY(_f, _s, _n)                              \
 509     VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
 510
 511 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v)                         \
 512     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
 513
 514 #define VMSTATE_BOOL_ARRAY(_f, _s, _n)                               \
 515     VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
 516
 517 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v)                         \
 518     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
 519
 520 #define VMSTATE_UINT16_ARRAY(_f, _s, _n)                               \
 521     VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
 522
 523 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v)                         \
 524     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
 525
 526 #define VMSTATE_UINT8_ARRAY(_f, _s, _n)                               \
 527     VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
 528
 529 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)                        \
 530     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
 531
 532 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 533     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 534
 535 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)                        \
 536     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
 537
 538 #define VMSTATE_UINT64_ARRAY(_f, _s, _n)                              \
 539     VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
 540
 541 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v)                         \
 542     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
 543
 544 #define VMSTATE_INT16_ARRAY(_f, _s, _n)                               \
 545     VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
 546
 547 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v)                         \
 548     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
 549
 550 #define VMSTATE_INT32_ARRAY(_f, _s, _n)                               \
 551     VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
 552
 553 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num)                \
 554     VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
 555
 556 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 557     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 558
 559 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v)                         \
 560     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
 561
 562 #define VMSTATE_INT64_ARRAY(_f, _s, _n)                               \
 563     VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
 564
 565 #define VMSTATE_BUFFER_V(_f, _s, _v)                                  \
 566     VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
 567
 568 #define VMSTATE_BUFFER(_f, _s)                                        \
 569     VMSTATE_BUFFER_V(_f, _s, 0)
 570
 571 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size)                         \
 572     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
 573
 574 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
 575     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
 576
 577 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size)                        \
 578     VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
 579
 580 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size)                        \
 581     VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
 582
 583 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size)                    \
 584     VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
 585
 586 #define VMSTATE_BUFFER_TEST(_f, _s, _test)                            \
 587     VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
 588
 589 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size)        \
 590     VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
 591
 592 #define VMSTATE_UNUSED_V(_v, _size)                                   \
 593     VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
 594
 595 #define VMSTATE_UNUSED(_size)                                         \
 596     VMSTATE_UNUSED_V(0, _size)
 597
 598 #define VMSTATE_UNUSED_TEST(_test, _size)                             \
 599     VMSTATE_UNUSED_BUFFER(_test, 0, _size)
 600
 601 #define VMSTATE_END_OF_LIST()                                         \
 602     {}
 603
 604 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
 605                        void *opaque, int version_id);
 606 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
 607                         void *opaque);
 608 int vmstate_register(DeviceState *dev, int instance_id,
 609                      const VMStateDescription *vmsd, void *base);
 610 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
 611                                    const VMStateDescription *vmsd,
 612                                    void *base, int alias_id,
 613                                    int required_for_version);
 614 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
 615                         void *opaque);
 616
 617 struct MemoryRegion;
 618 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
 619 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
 620 void vmstate_register_ram_global(struct MemoryRegion *memory);
 621
 622 #endif