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
 143 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
 144 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
 145
 146 #define vmstate_offset_value(_state, _field, _type)                  \
 147     (offsetof(_state, _field) +                                      \
 148      type_check(_type, typeof_field(_state, _field)))
 149
 150 #define vmstate_offset_pointer(_state, _field, _type)                \
 151     (offsetof(_state, _field) +                                      \
 152      type_check_pointer(_type, typeof_field(_state, _field)))
 153
 154 #define vmstate_offset_array(_state, _field, _type, _num)            \
 155     (offsetof(_state, _field) +                                      \
 156      type_check_array(_type, typeof_field(_state, _field), _num))
 157
 158 #define vmstate_offset_sub_array(_state, _field, _type, _start)      \
 159     (offsetof(_state, _field[_start]))
 160
 161 #define vmstate_offset_buffer(_state, _field)                        \
 162     vmstate_offset_array(_state, _field, uint8_t,                    \
 163                          sizeof(typeof_field(_state, _field)))
 164
 165 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
 166     .name         = (stringify(_field)),                             \
 167     .version_id   = (_version),                                      \
 168     .field_exists = (_test),                                         \
 169     .size         = sizeof(_type),                                   \
 170     .info         = &(_info),                                        \
 171     .flags        = VMS_SINGLE,                                      \
 172     .offset       = vmstate_offset_value(_state, _field, _type),     \
 173 }
 174
 175 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
 176     .name       = (stringify(_field)),                               \
 177     .version_id = (_version),                                        \
 178     .info       = &(_info),                                          \
 179     .size       = sizeof(_type),                                     \
 180     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 181     .offset     = vmstate_offset_value(_state, _field, _type),       \
 182 }
 183
 184 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) {  \
 185     .name       = (stringify(_field)),                               \
 186     .info       = &(_info),                                          \
 187     .field_exists = (_test),                                         \
 188     .size       = sizeof(_type),                                     \
 189     .flags      = VMS_SINGLE|VMS_POINTER,                            \
 190     .offset     = vmstate_offset_value(_state, _field, _type),       \
 191 }
 192
 193 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
 194     .name       = (stringify(_field)),                               \
 195     .version_id = (_version),                                        \
 196     .num        = (_num),                                            \
 197     .info       = &(_info),                                          \
 198     .size       = sizeof(_type),                                     \
 199     .flags      = VMS_ARRAY,                                         \
 200     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 201 }
 202
 203 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
 204     .name         = (stringify(_field)),                              \
 205     .field_exists = (_test),                                          \
 206     .num          = (_num),                                           \
 207     .info         = &(_info),                                         \
 208     .size         = sizeof(_type),                                    \
 209     .flags        = VMS_ARRAY,                                        \
 210     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 211 }
 212
 213 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
 214     .name       = (stringify(_field)),                               \
 215     .version_id = (_version),                                        \
 216     .num        = (_num),                                            \
 217     .info       = &(_info),                                          \
 218     .size       = sizeof(_type),                                     \
 219     .flags      = VMS_ARRAY,                                         \
 220     .offset     = vmstate_offset_sub_array(_state, _field, _type, _start), \
 221 }
 222
 223 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
 224     .name       = (stringify(_field)),                               \
 225     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 226     .info       = &(_info),                                          \
 227     .size       = sizeof(_type),                                     \
 228     .flags      = VMS_VARRAY_INT32,                                  \
 229     .offset     = offsetof(_state, _field),                          \
 230 }
 231
 232 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
 233     .name       = (stringify(_field)),                               \
 234     .version_id = (_version),                                        \
 235     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 236     .info       = &(_info),                                          \
 237     .size       = sizeof(_type),                                     \
 238     .flags      = VMS_VARRAY_INT32|VMS_POINTER,                      \
 239     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 240 }
 241
 242 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
 243     .name       = (stringify(_field)),                               \
 244     .version_id = (_version),                                        \
 245     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
 246     .info       = &(_info),                                          \
 247     .size       = sizeof(_type),                                     \
 248     .flags      = VMS_VARRAY_UINT32|VMS_POINTER,                     \
 249     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 250 }
 251
 252 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
 253     .name       = (stringify(_field)),                               \
 254     .version_id = (_version),                                        \
 255     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 256     .info       = &(_info),                                          \
 257     .size       = sizeof(_type),                                     \
 258     .flags      = VMS_VARRAY_UINT16,                                 \
 259     .offset     = offsetof(_state, _field),                          \
 260 }
 261
 262 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
 263     .name         = (stringify(_field)),                             \
 264     .version_id   = (_version),                                      \
 265     .field_exists = (_test),                                         \
 266     .vmsd         = &(_vmsd),                                        \
 267     .size         = sizeof(_type),                                   \
 268     .flags        = VMS_STRUCT,                                      \
 269     .offset       = vmstate_offset_value(_state, _field, _type),     \
 270 }
 271
 272 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
 273     .name         = (stringify(_field)),                             \
 274     .field_exists = (_test),                                         \
 275     .vmsd         = &(_vmsd),                                        \
 276     .size         = sizeof(_type),                                   \
 277     .flags        = VMS_STRUCT|VMS_POINTER,                          \
 278     .offset       = vmstate_offset_value(_state, _field, _type),     \
 279 }
 280
 281 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
 282     .name       = (stringify(_field)),                               \
 283     .version_id = (_version),                                        \
 284     .num        = (_num),                                            \
 285     .info       = &(_info),                                          \
 286     .size       = sizeof(_type),                                     \
 287     .flags      = VMS_ARRAY|VMS_ARRAY_OF_POINTER,                    \
 288     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 289 }
 290
 291 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
 292     .name         = (stringify(_field)),                             \
 293     .num          = (_num),                                          \
 294     .field_exists = (_test),                                         \
 295     .version_id   = (_version),                                      \
 296     .vmsd         = &(_vmsd),                                        \
 297     .size         = sizeof(_type),                                   \
 298     .flags        = VMS_STRUCT|VMS_ARRAY,                            \
 299     .offset       = vmstate_offset_array(_state, _field, _type, _num),\
 300 }
 301
 302 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
 303     .name       = (stringify(_field)),                               \
 304     .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
 305     .version_id = (_version),                                        \
 306     .vmsd       = &(_vmsd),                                          \
 307     .size       = sizeof(_type),                                     \
 308     .flags      = VMS_STRUCT|VMS_VARRAY_UINT8,                       \
 309     .offset     = offsetof(_state, _field),                          \
 310 }
 311
 312 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
 313     .name       = (stringify(_field)),                               \
 314     .version_id = 0,                                                 \
 315     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 316     .size       = sizeof(_type),                                     \
 317     .vmsd       = &(_vmsd),                                          \
 318     .flags      = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT,       \
 319     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 320 }
 321
 322 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
 323     .name       = (stringify(_field)),                               \
 324     .version_id = 0,                                                 \
 325     .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
 326     .size       = sizeof(_type),                                     \
 327     .vmsd       = &(_vmsd),                                          \
 328     .flags      = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT,      \
 329     .offset     = vmstate_offset_pointer(_state, _field, _type),     \
 330 }
 331
 332 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 333     .name       = (stringify(_field)),                               \
 334     .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
 335     .version_id = (_version),                                        \
 336     .vmsd       = &(_vmsd),                                          \
 337     .size       = sizeof(_type),                                     \
 338     .flags      = VMS_STRUCT|VMS_VARRAY_INT32,                       \
 339     .offset     = offsetof(_state, _field),                          \
 340 }
 341
 342 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
 343     .name       = (stringify(_field)),                               \
 344     .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
 345     .version_id = (_version),                                        \
 346     .vmsd       = &(_vmsd),                                          \
 347     .size       = sizeof(_type),                                     \
 348     .flags      = VMS_STRUCT|VMS_VARRAY_UINT32,                      \
 349     .offset     = offsetof(_state, _field),                          \
 350 }
 351
 352 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
 353     .name         = (stringify(_field)),                             \
 354     .version_id   = (_version),                                      \
 355     .field_exists = (_test),                                         \
 356     .size         = (_size - _start),                                \
 357     .info         = &vmstate_info_buffer,                            \
 358     .flags        = VMS_BUFFER,                                      \
 359     .offset       = vmstate_offset_buffer(_state, _field) + _start,  \
 360 }
 361
 362 #define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
 363     .name         = (stringify(_field)),                             \
 364     .version_id   = (_version),                                      \
 365     .field_exists = (_test),                                         \
 366     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 367     .size         = (_multiply),                                      \
 368     .info         = &vmstate_info_buffer,                            \
 369     .flags        = VMS_VBUFFER|VMS_MULTIPLY,                        \
 370     .offset       = offsetof(_state, _field),                        \
 371     .start        = (_start),                                        \
 372 }
 373
 374 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
 375     .name         = (stringify(_field)),                             \
 376     .version_id   = (_version),                                      \
 377     .field_exists = (_test),                                         \
 378     .size_offset  = vmstate_offset_value(_state, _field_size, int32_t),\
 379     .info         = &vmstate_info_buffer,                            \
 380     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 381     .offset       = offsetof(_state, _field),                        \
 382     .start        = (_start),                                        \
 383 }
 384
 385 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
 386     .name         = (stringify(_field)),                             \
 387     .version_id   = (_version),                                      \
 388     .field_exists = (_test),                                         \
 389     .size_offset  = vmstate_offset_value(_state, _field_size, uint32_t),\
 390     .info         = &vmstate_info_buffer,                            \
 391     .flags        = VMS_VBUFFER|VMS_POINTER,                         \
 392     .offset       = offsetof(_state, _field),                        \
 393     .start        = (_start),                                        \
 394 }
 395
 396 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
 397     .name       = (stringify(_field)),                               \
 398     .version_id = (_version),                                        \
 399     .size       = (_size),                                           \
 400     .info       = &(_info),                                          \
 401     .flags      = VMS_BUFFER,                                        \
 402     .offset     = offsetof(_state, _field),                          \
 403 }
 404
 405 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) {              \
 406     .name         = "unused",                                        \
 407     .field_exists = (_test),                                         \
 408     .version_id   = (_version),                                      \
 409     .size         = (_size),                                         \
 410     .info         = &vmstate_info_unused_buffer,                     \
 411     .flags        = VMS_BUFFER,                                      \
 412 }
 413
 414 /* _f : field name
 415    _f_n : num of elements field_name
 416    _n : num of elements
 417    _s : struct state name
 418    _v : version
 419 */
 420
 421 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type)        \
 422     VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
 423
 424 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type)        \
 425     VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
 426
 427 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type)          \
 428     VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
 429
 430 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
 431     VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version,   \
 432             _vmsd, _type)
 433
 434 #define VMSTATE_BOOL_V(_f, _s, _v)                                    \
 435     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
 436
 437 #define VMSTATE_INT8_V(_f, _s, _v)                                    \
 438     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
 439 #define VMSTATE_INT16_V(_f, _s, _v)                                   \
 440     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
 441 #define VMSTATE_INT32_V(_f, _s, _v)                                   \
 442     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
 443 #define VMSTATE_INT64_V(_f, _s, _v)                                   \
 444     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
 445
 446 #define VMSTATE_UINT8_V(_f, _s, _v)                                   \
 447     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
 448 #define VMSTATE_UINT16_V(_f, _s, _v)                                  \
 449     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
 450 #define VMSTATE_UINT32_V(_f, _s, _v)                                  \
 451     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
 452 #define VMSTATE_UINT64_V(_f, _s, _v)                                  \
 453     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
 454
 455 #define VMSTATE_BOOL(_f, _s)                                          \
 456     VMSTATE_BOOL_V(_f, _s, 0)
 457
 458 #define VMSTATE_INT8(_f, _s)                                          \
 459     VMSTATE_INT8_V(_f, _s, 0)
 460 #define VMSTATE_INT16(_f, _s)                                         \
 461     VMSTATE_INT16_V(_f, _s, 0)
 462 #define VMSTATE_INT32(_f, _s)                                         \
 463     VMSTATE_INT32_V(_f, _s, 0)
 464 #define VMSTATE_INT64(_f, _s)                                         \
 465     VMSTATE_INT64_V(_f, _s, 0)
 466
 467 #define VMSTATE_UINT8(_f, _s)                                         \
 468     VMSTATE_UINT8_V(_f, _s, 0)
 469 #define VMSTATE_UINT16(_f, _s)                                        \
 470     VMSTATE_UINT16_V(_f, _s, 0)
 471 #define VMSTATE_UINT32(_f, _s)                                        \
 472     VMSTATE_UINT32_V(_f, _s, 0)
 473 #define VMSTATE_UINT64(_f, _s)                                        \
 474     VMSTATE_UINT64_V(_f, _s, 0)
 475
 476 #define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
 477     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
 478
 479 #define VMSTATE_UINT16_EQUAL(_f, _s)                                  \
 480     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
 481
 482 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v)                            \
 483     VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
 484
 485 #define VMSTATE_INT32_EQUAL(_f, _s)                                   \
 486     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
 487
 488 #define VMSTATE_UINT32_EQUAL(_f, _s)                                   \
 489     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
 490
 491 #define VMSTATE_INT32_LE(_f, _s)                                   \
 492     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
 493
 494 #define VMSTATE_UINT8_TEST(_f, _s, _t)                               \
 495     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
 496
 497 #define VMSTATE_UINT16_TEST(_f, _s, _t)                               \
 498     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
 499
 500 #define VMSTATE_UINT32_TEST(_f, _s, _t)                                  \
 501     VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
 502
 503 #define VMSTATE_TIMER_TEST(_f, _s, _test)                             \
 504     VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
 505
 506 #define VMSTATE_TIMER_V(_f, _s, _v)                                   \
 507     VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)
 508
 509 #define VMSTATE_TIMER(_f, _s)                                         \
 510     VMSTATE_TIMER_V(_f, _s, 0)
 511
 512 #define VMSTATE_TIMER_ARRAY(_f, _s, _n)                              \
 513     VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
 514
 515 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v)                         \
 516     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
 517
 518 #define VMSTATE_BOOL_ARRAY(_f, _s, _n)                               \
 519     VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
 520
 521 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v)                         \
 522     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
 523
 524 #define VMSTATE_UINT16_ARRAY(_f, _s, _n)                               \
 525     VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
 526
 527 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v)                         \
 528     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
 529
 530 #define VMSTATE_UINT8_ARRAY(_f, _s, _n)                               \
 531     VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
 532
 533 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)                        \
 534     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
 535
 536 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 537     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 538
 539 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)                        \
 540     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
 541
 542 #define VMSTATE_UINT64_ARRAY(_f, _s, _n)                              \
 543     VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
 544
 545 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v)                         \
 546     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
 547
 548 #define VMSTATE_INT16_ARRAY(_f, _s, _n)                               \
 549     VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
 550
 551 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v)                         \
 552     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
 553
 554 #define VMSTATE_INT32_ARRAY(_f, _s, _n)                               \
 555     VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
 556
 557 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num)                \
 558     VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
 559
 560 #define VMSTATE_UINT32_ARRAY(_f, _s, _n)                              \
 561     VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
 562
 563 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v)                         \
 564     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
 565
 566 #define VMSTATE_INT64_ARRAY(_f, _s, _n)                               \
 567     VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
 568
 569 #define VMSTATE_BUFFER_V(_f, _s, _v)                                  \
 570     VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
 571
 572 #define VMSTATE_BUFFER(_f, _s)                                        \
 573     VMSTATE_BUFFER_V(_f, _s, 0)
 574
 575 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size)                         \
 576     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
 577
 578 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
 579     VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
 580
 581 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size)                        \
 582     VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
 583
 584 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size)                        \
 585     VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
 586
 587 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size)                    \
 588     VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
 589
 590 #define VMSTATE_BUFFER_TEST(_f, _s, _test)                            \
 591     VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
 592
 593 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size)        \
 594     VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
 595
 596 #define VMSTATE_UNUSED_V(_v, _size)                                   \
 597     VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
 598
 599 #define VMSTATE_UNUSED(_size)                                         \
 600     VMSTATE_UNUSED_V(0, _size)
 601
 602 #define VMSTATE_UNUSED_TEST(_test, _size)                             \
 603     VMSTATE_UNUSED_BUFFER(_test, 0, _size)
 604
 605 #define VMSTATE_END_OF_LIST()                                         \
 606     {}
 607
 608 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
 609                        void *opaque, int version_id);
 610 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
 611                         void *opaque);
 612 int vmstate_register(DeviceState *dev, int instance_id,
 613                      const VMStateDescription *vmsd, void *base);
 614 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
 615                                    const VMStateDescription *vmsd,
 616                                    void *base, int alias_id,
 617                                    int required_for_version);
 618 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
 619                         void *opaque);
 620
 621 struct MemoryRegion;
 622 void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev);
 623 void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev);
 624 void vmstate_register_ram_global(struct MemoryRegion *memory);
 625
 626 #endif