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 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_iterate)(QEMUFile *f, void *opaque);
  37     int (*save_live_complete)(QEMUFile *f, void *opaque);
  38     void (*cancel)(void *opaque);
  39     LoadStateHandler *load_state;
  40     bool (*is_active)(void *opaque);
  41 } SaveVMHandlers;
  42
  43 int register_savevm(DeviceState *dev,
  44                     const char *idstr,
  45                     int instance_id,
  46                     int version_id,
  47                     SaveStateHandler *save_state,
  48                     LoadStateHandler *load_state,
  49                     void *opaque);
  50
  51 int register_savevm_live(DeviceState *dev,
  52                          const char *idstr,
  53                          int instance_id,
  54                          int version_id,
  55                          SaveVMHandlers *ops,
  56                          void *opaque);
  57
  58 void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
  59 void register_device_unmigratable(DeviceState *dev, const char *idstr,
  60                                                                 void *opaque);
  61
  62
  63 typedef struct VMStateInfo VMStateInfo;
  64 typedef struct VMStateDescription VMStateDescription;
  65
  66 struct VMStateInfo {
  67     const char *name;
  68     int (*get)(QEMUFile *f, void *pv, size_t size);
  69     void (*put)(QEMUFile *f, void *pv, size_t size);
  70 };
  71
  72 enum VMStateFlags {
  73     VMS_SINGLE           = 0x001,
  74     VMS_POINTER          = 0x002,
  75     VMS_ARRAY            = 0x004,
  76     VMS_STRUCT           = 0x008,
  77     VMS_VARRAY_INT32     = 0x010,  /* Array with size in int32_t field*/
  78     VMS_BUFFER           = 0x020,  /* static sized buffer */
  79     VMS_ARRAY_OF_POINTER = 0x040,
  80     VMS_VARRAY_UINT16    = 0x080,  /* Array with size in uint16_t field */
  81     VMS_VBUFFER          = 0x100,  /* Buffer with size in int32_t field */
  82     VMS_MULTIPLY         = 0x200,  /* multiply "size" field by field_size */
  83     VMS_VARRAY_UINT8     = 0x400,  /* Array with size in uint8_t field*/
  84     VMS_VARRAY_UINT32    = 0x800,  /* Array with size in uint32_t field*/
  85 };
  86
  87 typedef struct {
  88     const char *name;
  89     size_t offset;
  90     size_t size;
  91     size_t start;
  92     int num;
  93     size_t num_offset;
  94     size_t size_offset;
  95     const VMStateInfo *info;
  96     enum VMStateFlags flags;
  97     const VMStateDescription *vmsd;
  98     int version_id;
  99     bool (*field_exists)(void *opaque, int version_id);
 100 } VMStateField;
 101
 102 typedef struct VMStateSubsection {
 103     const VMStateDescription *vmsd;
 104     bool (*needed)(void *opaque);
 105 } VMStateSubsection;
 106
 107 struct VMStateDescription {
 108     const char *name;
 109     int unmigratable;
 110     int version_id;
 111     int minimum_version_id;
 112     int minimum_version_id_old;
 113     LoadStateHandler *load_state_old;
 114     int (*pre_load)(void *opaque);
 115     int (*post_load)(void *opaque, int version_id);
 116     void (*pre_save)(void *opaque);
 117     VMStateField *fields;
 118     const VMStateSubsection *subsections;
 119 };
 120
 121 extern const VMStateInfo vmstate_info_bool;
 122
 123 extern const VMStateInfo vmstate_info_int8;
 124 extern const VMStateInfo vmstate_info_int16;
 125 extern const VMStateInfo vmstate_info_int32;
 126 extern const VMStateInfo vmstate_info_int64;
 127
 128 extern const VMStateInfo vmstate_info_uint8_equal;
 129 extern const VMStateInfo vmstate_info_uint16_equal;
 130 extern const VMStateInfo vmstate_info_int32_equal;
 131 extern const VMStateInfo vmstate_info_uint32_equal;
 132 extern const VMStateInfo vmstate_info_int32_le;
 133
 134 extern const VMStateInfo vmstate_info_uint8;
 135 extern const VMStateInfo vmstate_info_uint16;
 136 extern const VMStateInfo vmstate_info_uint32;
 137 extern const VMStateInfo vmstate_info_uint64;
 138
 139 extern const VMStateInfo vmstate_info_timer;
 140 extern const VMStateInfo vmstate_info_buffer;
 141 extern const VMStateInfo vmstate_info_unused_buffer;
 142 extern const VMStateInfo vmstate_info_bitmap;
 143
 144 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
 145 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
 146
 147 #define vmstate_offset_value(_state, _field, _type)                  \
 148     (offsetof(_state, _field) +                                      \
 149      type_check(_type, typeof_field(_state, _field)))
 150
 151 #define vmstate_offset_pointer(_state, _field, _type)                \
 152     (offsetof(_state, _field) +                                      \
 153      type_check_pointer(_type, typeof_field(_state, _field)))
 154
 155 #define vmstate_offset_array(_state, _field, _type, _num)            \
 156     (offsetof(_state, _field) +                                      \
 157      type_check_array(_type, typeof_field(_state, _field), _num))
 158
 159 #define vmstate_offset_sub_array(_state, _field, _type, _start)      \
 160     (offsetof(_state, _field[_start]))
 161
 162 #define vmstate_offset_buffer(_state, _field)                        \
 163     vmstate_offset_array(_state, _field, uint8_t,                    \
 164                          sizeof(typeof_field(_state, _field)))
 165
 166 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
 167     .name         = (stringify(_field)),                             \
 168     .version_id   = (_version),                                      \
 169     .field_exists = (_test),                                         \
 170     .size         = sizeof(_type),                                   \
 171     .info         = &(_info),                                        \
 172     .flags        = VMS_SINGLE,                                      \
 173     .offset       = vmstate_offset_value(_state, _field, _type),     \
 174 }
 175
 176 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
 177     .name       = (stringify(_field)),                               \
 178     .version_id = (_version),                                        \
 179     .info       = &(_info),                                          \
 180     .size       = sizeof(_type),                                     \
 181     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 182     .offset     = vmstate_offset_value(_state, _field, _type),       \
 183 }
 184
 185 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) {  \
 186     .name       = (stringify(_field)),                               \
 187     .info       = &(_info),                                          \
 188     .field_exists = (_test),                                         \
 189     .size       = sizeof(_type),                                     \
 190     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 191     .offset     = vmstate_offset_value(_state, _field, _type),       \
 192 }
 193
 194 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
 195     .name       = (stringify(_field)),                               \
 196     .version_id = (_version),                                        \
 197     .num        = (_num),                                            \
 198     .info       = &(_info),                                          \
 199     .size       = sizeof(_type),                                     \
 200     .flags      = VMS_ARRAY,                                         \
 201     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 202 }
 203
 204 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
 205     .name         = (stringify(_field)),                              \
 206     .field_exists = (_test),                                          \
 207     .num          = (_num),                                           \
 208     .info         = &(_info),                                         \
 209     .size         = sizeof(_type),                                    \
 210     .flags        = VMS_ARRAY,                                        \
 211     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 212 }
 213
 214 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
 215     .name       = (stringify(_field)),                               \
 216     .version_id = (_version),                                        \
 217     .num        = (_num),                                            \
 218     .info       = &(_info),                                          \
 219     .size       = sizeof(_type),                                     \
 220     .flags      = VMS_ARRAY,                                         \
 221     .offset     = vmstate_offset_sub_array(_state, _field, _type, _start), \
 222 }
 223
 224 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
 225     .name       = (stringify(_field)),                               \
 226     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 227     .info       = &(_info),                                          \
 228     .size       = sizeof(_type),                                     \
 229     .flags      = VMS_VARRAY_INT32,                                  \
 230     .offset     = offsetof(_state, _field),                          \
 231 }
 232
 233 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
 234     .name       = (stringify(_field)),                               \
 235     .version_id = (_version),                                        \
 236     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 237     .info       = &(_info),                                          \
 238     .size       = sizeof(_type),                                     \
 239     .flags      = VMS_VARRAY_INT32|VMS_POINTER,                      \
 240     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 241 }
 242
 243 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
 244     .name       = (stringify(_field)),                               \
 245     .version_id = (_version),                                        \
 246     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
 247     .info       = &(_info),                                          \
 248     .size       = sizeof(_type),                                     \
 249     .flags      = VMS_VARRAY_UINT32|VMS_POINTER,                     \
 250     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 251 }
 252
 253 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
 254     .name       = (stringify(_field)),                               \
 255     .version_id = (_version),                                        \
 256     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 257     .info       = &(_info),                                          \
 258     .size       = sizeof(_type),                                     \
 259     .flags      = VMS_VARRAY_UINT16,                                 \
 260     .offset     = offsetof(_state, _field),                          \
 261 }
 262
 263 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
 264     .name         = (stringify(_field)),                             \
 265     .version_id   = (_version),                                      \
 266     .field_exists = (_test),                                         \
 267     .vmsd         = &(_vmsd),                                        \
 268     .size         = sizeof(_type),                                   \
 269     .flags        = VMS_STRUCT,                                      \
 270     .offset       = vmstate_offset_value(_state, _field, _type),     \
 271 }
 272
 273 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
 274     .name         = (stringify(_field)),                             \
 275     .field_exists = (_test),                                         \
 276     .vmsd         = &(_vmsd),                                        \
 277     .size         = sizeof(_type),                                   \
 278     .flags        = VMS_STRUCT|VMS_POINTER,                          \
 279     .offset       = vmstate_offset_value(_state, _field, _type),     \
 280 }
 281
 282 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
 283     .name       = (stringify(_field)),                               \
 284     .version_id = (_version),                                        \
 285     .num        = (_num),                                            \
 286     .info       = &(_info),                                          \
 287     .size       = sizeof(_type),                                     \
 288     .flags      = VMS_ARRAY|VMS_ARRAY_OF_POINTER,                    \
 289     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 290 }
 291
 292 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
 293     .name         = (stringify(_field)),                             \
 294     .num          = (_num),                                          \
 295     .field_exists = (_test),                                         \
 296     .version_id   = (_version),                                      \
 297     .vmsd         = &(_vmsd),                                        \
 298     .size         = sizeof(_type),                                   \
 299     .flags        = VMS_STRUCT|VMS_ARRAY,                            \
 300     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 301 }
 302
 303 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
 304     .name       = (stringify(_field)),                               \
 305     .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
 306     .version_id = (_version),                                        \
 307     .vmsd       = &(_vmsd),                                          \
 308     .size       = sizeof(_type),                                     \
 309     .flags      = VMS_STRUCT|VMS_VARRAY_UINT8,                       \
 310     .offset     = offsetof(_state, _field),                          \
 311 }
 312
 313 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
 314     .name       = (stringify(_field)),                               \
 315     .version_id = 0,                                                 \
 316     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 317     .size       = sizeof(_type),                                     \
 318     .vmsd       = &(_vmsd),                                          \
 319     .flags      = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT,       \
 320     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 321 }
 322
 323 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
 324     .name       = (stringify(_field)),                               \
 325     .version_id = 0,                                                 \
 326     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 327     .size       = sizeof(_type),                                     \
 328     .vmsd       = &(_vmsd),                                          \
 329     .flags      = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT,      \
 330     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 331 }
 332
 333 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 334     .name       = (stringify(_field)),                               \
 335     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 336     .version_id = (_version),                                        \
 337     .vmsd       = &(_vmsd),                                          \
 338     .size       = sizeof(_type),                                     \
 339     .flags      = VMS_STRUCT|VMS_VARRAY_INT32,                       \
 340     .offset     = offsetof(_state, _field),                          \
 341 }
 342
 343 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 344     .name       = (stringify(_field)),                               \
 345     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
 346     .version_id = (_version),                                        \
 347     .vmsd       = &(_vmsd),                                          \
 348     .size       = sizeof(_type),                                     \
 349     .flags      = VMS_STRUCT|VMS_VARRAY_UINT32,                      \
 350     .offset     = offsetof(_state, _field),                          \
 351 }
 352
 353 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
 354     .name         = (stringify(_field)),                             \
 355     .version_id   = (_version),                                      \
 356     .field_exists = (_test),                                         \
 357     .size         = (_size - _start),                                \
 358     .info         = &vmstate_info_buffer,                            \
 359     .flags        = VMS_BUFFER,                                      \
 360     .offset       = vmstate_offset_buffer(_state, _field) + _start,  \
 361 }
 362
 363 #define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
 364     .name         = (stringify(_field)),                             \
 365     .version_id   = (_version),                                      \
 366     .field_exists = (_test),                                         \
 367     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 368     .size         = (_multiply),                                      \
 369     .info         = &vmstate_info_buffer,                            \
 370     .flags        = VMS_VBUFFER|VMS_MULTIPLY,                        \
 371     .offset       = offsetof(_state, _field),                        \
 372     .start        = (_start),                                        \
 373 }
 374
 375 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
 376     .name         = (stringify(_field)),                             \
 377     .version_id   = (_version),                                      \
 378     .field_exists = (_test),                                         \
 379     .size_offset  = vmstate_offset_value(_state, _field_size, int32_t),\
 380     .info         = &vmstate_info_buffer,                            \
 381     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 382     .offset       = offsetof(_state, _field),                        \
 383     .start        = (_start),                                        \
 384 }
 385
 386 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
 387     .name         = (stringify(_field)),                             \
 388     .version_id   = (_version),                                      \
 389     .field_exists = (_test),                                         \
 390     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 391     .info         = &vmstate_info_buffer,                            \
 392     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 393     .offset       = offsetof(_state, _field),                        \
 394     .start        = (_start),                                        \
 395 }
 396
 397 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
 398     .name       = (stringify(_field)),                               \
 399     .version_id = (_version),                                        \
 400     .size       = (_size),                                           \
 401     .info       = &(_info),                                          \
 402     .flags      = VMS_BUFFER,                                        \
 403     .offset     = offsetof(_state, _field),                          \
 404 }
 405
 406 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) {              \
 407     .name         = "unused",                                        \
 408     .field_exists = (_test),                                         \
 409     .version_id   = (_version),                                      \
 410     .size         = (_size),                                         \
 411     .info         = &vmstate_info_unused_buffer,                     \
 412     .flags        = VMS_BUFFER,                                      \
 413 }
 414
 415 /* _field_size should be a int32_t field in the _state struct giving the
 416  * size of the bitmap _field in bits.
 417  */
 418 #define VMSTATE_BITMAP(_field, _state, _version, _field_size) {      \
 419     .name         = (stringify(_field)),                             \
 420     .version_id   = (_version),                                      \
 421     .size_offset  = vmstate_offset_value(_state, _field_size, int32_t),\
 422     .info         = &vmstate_info_bitmap,                            \
 423     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 424     .offset       = offsetof(_state, _field),                        \
 425 }
 426
 427 /* _f : field name
 428    _f_n : num of elements field_name
 429    _n : num of elements
 430    _s : struct state name
 431    _v : version
 432 */
 433
 434 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type)        \
 435     VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
 436
 437 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type)        \
 438     VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
 439
 440 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type)          \
 441     VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
 442
 443 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
 444     VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version,   \
 445             _vmsd, _type)
 446
 447 #define VMSTATE_BOOL_V(_f, _s, _v)                                    \
 448     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
 449
 450 #define VMSTATE_INT8_V(_f, _s, _v)                                    \
 451     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
 452 #define VMSTATE_INT16_V(_f, _s, _v)                                   \
 453     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
 454 #define VMSTATE_INT32_V(_f, _s, _v)                                   \
 455     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
 456 #define VMSTATE_INT64_V(_f, _s, _v)                                   \
 457     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
 458
 459 #define VMSTATE_UINT8_V(_f, _s, _v)                                   \
 460     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
 461 #define VMSTATE_UINT16_V(_f, _s, _v)                                  \
 462     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
 463 #define VMSTATE_UINT32_V(_f, _s, _v)                                  \
 464     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
 465 #define VMSTATE_UINT64_V(_f, _s, _v)                                  \
 466     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
 467
 468 #define VMSTATE_BOOL(_f, _s)                                          \
 469     VMSTATE_BOOL_V(_f, _s, 0)
 470
 471 #define VMSTATE_INT8(_f, _s)                                          \
 472     VMSTATE_INT8_V(_f, _s, 0)
 473 #define VMSTATE_INT16(_f, _s)                                         \
 474     VMSTATE_INT16_V(_f, _s, 0)
 475 #define VMSTATE_INT32(_f, _s)                                         \
 476     VMSTATE_INT32_V(_f, _s, 0)
 477 #define VMSTATE_INT64(_f, _s)                                         \
 478     VMSTATE_INT64_V(_f, _s, 0)
 479
 480 #define VMSTATE_UINT8(_f, _s)                                         \
 481     VMSTATE_UINT8_V(_f, _s, 0)
 482 #define VMSTATE_UINT16(_f, _s)                                        \
 483     VMSTATE_UINT16_V(_f, _s, 0)
 484 #define VMSTATE_UINT32(_f, _s)                                        \
 485     VMSTATE_UINT32_V(_f, _s, 0)
 486 #define VMSTATE_UINT64(_f, _s)                                        \
 487     VMSTATE_UINT64_V(_f, _s, 0)
 488
 489 #define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
 490     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
 491
 492 #define VMSTATE_UINT16_EQUAL(_f, _s)                                  \
 493     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
 494
 495 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v)                            \
 496     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
 497
 498 #define VMSTATE_INT32_EQUAL(_f, _s)                                   \
 499     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
 500
 501 #define VMSTATE_UINT32_EQUAL(_f, _s)                                   \
 502     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
 503
 504 #define VMSTATE_INT32_LE(_f, _s)                                   \
 505     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
 506
 507 #define VMSTATE_UINT8_TEST(_f, _s, _t)                               \
 508     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
 509
 510 #define VMSTATE_UINT16_TEST(_f, _s, _t)                               \
 511     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
 512
 513 #define VMSTATE_UINT32_TEST(_f, _s, _t)                                  \
 514     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
 515
 516 #define VMSTATE_TIMER_TEST(_f, _s, _test)                             \
 517     VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
 518
 519 #define VMSTATE_TIMER_V(_f, _s, _v)                                   \
 520     VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
 521
 522 #define VMSTATE_TIMER(_f, _s)                                         \
 523     VMSTATE_TIMER_V(_f, _s, 0)
 524
 525 #define VMSTATE_TIMER_ARRAY(_f, _s, _n)                              \
 526     VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
 527
 528 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v)                         \
 529     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
 530
 531 #define VMSTATE_BOOL_ARRAY(_f, _s, _n)                               \
 532     VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
 533
 534 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v)                         \
 535     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
 536
 537 #define VMSTATE_UINT16_ARRAY(_f, _s, _n)                               \
 538     VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
 539
 540 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v)                         \
 541     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
 542
 543 #define VMSTATE_UINT8_ARRAY(_f, _s, _n)                               \
 544     VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
 545
 546 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)                        \
 547     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
 548
 549 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 550     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 551
 552 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)                        \
 553     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
 554
 555 #define VMSTATE_UINT64_ARRAY(_f, _s, _n)                              \
 556     VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
 557
 558 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v)                         \
 559     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
 560
 561 #define VMSTATE_INT16_ARRAY(_f, _s, _n)                               \
 562     VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
 563
 564 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v)                         \
 565     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
 566
 567 #define VMSTATE_INT32_ARRAY(_f, _s, _n)                               \
 568     VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
 569
 570 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num)                \
 571     VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
 572
 573 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 574     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 575
 576 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v)                         \
 577     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
 578
 579 #define VMSTATE_INT64_ARRAY(_f, _s, _n)                               \
 580     VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
 581
 582 #define VMSTATE_BUFFER_V(_f, _s, _v)                                  \
 583     VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
 584
 585 #define VMSTATE_BUFFER(_f, _s)                                        \
 586     VMSTATE_BUFFER_V(_f, _s, 0)
 587
 588 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size)                         \
 589     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
 590
 591 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
 592     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
 593
 594 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size)                        \
 595     VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
 596
 597 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size)                        \
 598     VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
 599
 600 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size)                    \
 601     VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
 602
 603 #define VMSTATE_BUFFER_TEST(_f, _s, _test)                            \
 604     VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
 605
 606 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size)        \
 607     VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
 608
 609 #define VMSTATE_UNUSED_V(_v, _size)                                   \
 610     VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
 611
 612 #define VMSTATE_UNUSED(_size)                                         \
 613     VMSTATE_UNUSED_V(0, _size)
 614
 615 #define VMSTATE_UNUSED_TEST(_test, _size)                             \
 616     VMSTATE_UNUSED_BUFFER(_test, 0, _size)
 617
 618 #define VMSTATE_END_OF_LIST()                                         \
 619     {}
 620
 621 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
 622                        void *opaque, int version_id);
 623 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
 624                         void *opaque);
 625 int vmstate_register(DeviceState *dev, int instance_id,
 626                      const VMStateDescription *vmsd, void *base);
 627 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
 628                                    const VMStateDescription *vmsd,
 629                                    void *base, int alias_id,
 630                                    int required_for_version);
 631 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
 632                         void *opaque);
 633
 634 struct MemoryRegion;
 635 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
 636 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
 637 void vmstate_register_ram_global(struct MemoryRegion *memory);
 638
 639 #endif