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