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[qemu.git] / hw / hw.h
1 /* Declarations for use by hardware emulation. */
2 #ifndef QEMU_HW_H
3 #define QEMU_HW_H
4
5 #include "qemu-common.h"
6
7 #if defined(TARGET_PHYS_ADDR_BITS) && !defined(NEED_CPU_H)
8 #include "cpu-common.h"
9 #endif
10
11 #include "ioport.h"
12 #include "irq.h"
13
14 /* VM Load/Save */
15
16 /* This function writes a chunk of data to a file at the given position.
17 * The pos argument can be ignored if the file is only being used for
18 * streaming. The handler should try to write all of the data it can.
19 */
20 typedef int (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf,
21 int64_t pos, int size);
22
23 /* Read a chunk of data from a file at the given position. The pos argument
24 * can be ignored if the file is only be used for streaming. The number of
25 * bytes actually read should be returned.
26 */
27 typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf,
28 int64_t pos, int size);
29
30 /* Close a file and return an error code */
31 typedef int (QEMUFileCloseFunc)(void *opaque);
32
33 /* Called to determine if the file has exceeded it's bandwidth allocation. The
34 * bandwidth capping is a soft limit, not a hard limit.
35 */
36 typedef int (QEMUFileRateLimit)(void *opaque);
37
38 /* Called to change the current bandwidth allocation. This function must return
39 * the new actual bandwidth. It should be new_rate if everything goes ok, and
40 * the old rate otherwise
41 */
42 typedef int64_t (QEMUFileSetRateLimit)(void *opaque, int64_t new_rate);
43 typedef int64_t (QEMUFileGetRateLimit)(void *opaque);
44
45 QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
46 QEMUFileGetBufferFunc *get_buffer,
47 QEMUFileCloseFunc *close,
48 QEMUFileRateLimit *rate_limit,
49 QEMUFileSetRateLimit *set_rate_limit,
50 QEMUFileGetRateLimit *get_rate_limit);
51 QEMUFile *qemu_fopen(const char *filename, const char *mode);
52 QEMUFile *qemu_fdopen(int fd, const char *mode);
53 QEMUFile *qemu_fopen_socket(int fd);
54 QEMUFile *qemu_popen(FILE *popen_file, const char *mode);
55 QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
56 int qemu_stdio_fd(QEMUFile *f);
57 void qemu_fflush(QEMUFile *f);
58 int qemu_fclose(QEMUFile *f);
59 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
60 void qemu_put_byte(QEMUFile *f, int v);
61
62 static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
63 {
64 qemu_put_byte(f, (int)v);
65 }
66
67 #define qemu_put_sbyte qemu_put_byte
68
69 void qemu_put_be16(QEMUFile *f, unsigned int v);
70 void qemu_put_be32(QEMUFile *f, unsigned int v);
71 void qemu_put_be64(QEMUFile *f, uint64_t v);
72 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
73 int qemu_get_byte(QEMUFile *f);
74
75 static inline unsigned int qemu_get_ubyte(QEMUFile *f)
76 {
77 return (unsigned int)qemu_get_byte(f);
78 }
79
80 #define qemu_get_sbyte qemu_get_byte
81
82 unsigned int qemu_get_be16(QEMUFile *f);
83 unsigned int qemu_get_be32(QEMUFile *f);
84 uint64_t qemu_get_be64(QEMUFile *f);
85 int qemu_file_rate_limit(QEMUFile *f);
86 int64_t qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
87 int64_t qemu_file_get_rate_limit(QEMUFile *f);
88 int qemu_file_has_error(QEMUFile *f);
89 void qemu_file_set_error(QEMUFile *f);
90
91 /* Try to send any outstanding data. This function is useful when output is
92 * halted due to rate limiting or EAGAIN errors occur as it can be used to
93 * resume output. */
94 void qemu_file_put_notify(QEMUFile *f);
95
96 static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
97 {
98 qemu_put_be64(f, *pv);
99 }
100
101 static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv)
102 {
103 qemu_put_be32(f, *pv);
104 }
105
106 static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv)
107 {
108 qemu_put_be16(f, *pv);
109 }
110
111 static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv)
112 {
113 qemu_put_byte(f, *pv);
114 }
115
116 static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv)
117 {
118 *pv = qemu_get_be64(f);
119 }
120
121 static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv)
122 {
123 *pv = qemu_get_be32(f);
124 }
125
126 static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv)
127 {
128 *pv = qemu_get_be16(f);
129 }
130
131 static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv)
132 {
133 *pv = qemu_get_byte(f);
134 }
135
136 // Signed versions for type safety
137 static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size)
138 {
139 qemu_put_buffer(f, (const uint8_t *)buf, size);
140 }
141
142 static inline void qemu_put_sbe16(QEMUFile *f, int v)
143 {
144 qemu_put_be16(f, (unsigned int)v);
145 }
146
147 static inline void qemu_put_sbe32(QEMUFile *f, int v)
148 {
149 qemu_put_be32(f, (unsigned int)v);
150 }
151
152 static inline void qemu_put_sbe64(QEMUFile *f, int64_t v)
153 {
154 qemu_put_be64(f, (uint64_t)v);
155 }
156
157 static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size)
158 {
159 return qemu_get_buffer(f, (uint8_t *)buf, size);
160 }
161
162 static inline int qemu_get_sbe16(QEMUFile *f)
163 {
164 return (int)qemu_get_be16(f);
165 }
166
167 static inline int qemu_get_sbe32(QEMUFile *f)
168 {
169 return (int)qemu_get_be32(f);
170 }
171
172 static inline int64_t qemu_get_sbe64(QEMUFile *f)
173 {
174 return (int64_t)qemu_get_be64(f);
175 }
176
177 static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv)
178 {
179 qemu_put_8s(f, (const uint8_t *)pv);
180 }
181
182 static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv)
183 {
184 qemu_put_be16s(f, (const uint16_t *)pv);
185 }
186
187 static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv)
188 {
189 qemu_put_be32s(f, (const uint32_t *)pv);
190 }
191
192 static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv)
193 {
194 qemu_put_be64s(f, (const uint64_t *)pv);
195 }
196
197 static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv)
198 {
199 qemu_get_8s(f, (uint8_t *)pv);
200 }
201
202 static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv)
203 {
204 qemu_get_be16s(f, (uint16_t *)pv);
205 }
206
207 static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv)
208 {
209 qemu_get_be32s(f, (uint32_t *)pv);
210 }
211
212 static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)
213 {
214 qemu_get_be64s(f, (uint64_t *)pv);
215 }
216
217 #ifdef NEED_CPU_H
218 #if TARGET_LONG_BITS == 64
219 #define qemu_put_betl qemu_put_be64
220 #define qemu_get_betl qemu_get_be64
221 #define qemu_put_betls qemu_put_be64s
222 #define qemu_get_betls qemu_get_be64s
223 #define qemu_put_sbetl qemu_put_sbe64
224 #define qemu_get_sbetl qemu_get_sbe64
225 #define qemu_put_sbetls qemu_put_sbe64s
226 #define qemu_get_sbetls qemu_get_sbe64s
227 #else
228 #define qemu_put_betl qemu_put_be32
229 #define qemu_get_betl qemu_get_be32
230 #define qemu_put_betls qemu_put_be32s
231 #define qemu_get_betls qemu_get_be32s
232 #define qemu_put_sbetl qemu_put_sbe32
233 #define qemu_get_sbetl qemu_get_sbe32
234 #define qemu_put_sbetls qemu_put_sbe32s
235 #define qemu_get_sbetls qemu_get_sbe32s
236 #endif
237 #endif
238
239 int64_t qemu_ftell(QEMUFile *f);
240 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence);
241
242 typedef void SaveSetParamsHandler(int blk_enable, int shared, void * opaque);
243 typedef void SaveStateHandler(QEMUFile *f, void *opaque);
244 typedef int SaveLiveStateHandler(Monitor *mon, QEMUFile *f, int stage,
245 void *opaque);
246 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
247
248 int register_savevm(DeviceState *dev,
249 const char *idstr,
250 int instance_id,
251 int version_id,
252 SaveStateHandler *save_state,
253 LoadStateHandler *load_state,
254 void *opaque);
255
256 int register_savevm_live(DeviceState *dev,
257 const char *idstr,
258 int instance_id,
259 int version_id,
260 SaveSetParamsHandler *set_params,
261 SaveLiveStateHandler *save_live_state,
262 SaveStateHandler *save_state,
263 LoadStateHandler *load_state,
264 void *opaque);
265
266 void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
267 void register_device_unmigratable(DeviceState *dev, const char *idstr,
268 void *opaque);
269
270 typedef void QEMUResetHandler(void *opaque);
271
272 void qemu_register_reset(QEMUResetHandler *func, void *opaque);
273 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque);
274
275 /* handler to set the boot_device order for a specific type of QEMUMachine */
276 /* return 0 if success */
277 typedef int QEMUBootSetHandler(void *opaque, const char *boot_devices);
278 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
279 int qemu_boot_set(const char *boot_devices);
280
281 typedef struct VMStateInfo VMStateInfo;
282 typedef struct VMStateDescription VMStateDescription;
283
284 struct VMStateInfo {
285 const char *name;
286 int (*get)(QEMUFile *f, void *pv, size_t size);
287 void (*put)(QEMUFile *f, void *pv, size_t size);
288 };
289
290 enum VMStateFlags {
291 VMS_SINGLE = 0x001,
292 VMS_POINTER = 0x002,
293 VMS_ARRAY = 0x004,
294 VMS_STRUCT = 0x008,
295 VMS_VARRAY_INT32 = 0x010, /* Array with size in int32_t field*/
296 VMS_BUFFER = 0x020, /* static sized buffer */
297 VMS_ARRAY_OF_POINTER = 0x040,
298 VMS_VARRAY_UINT16 = 0x080, /* Array with size in uint16_t field */
299 VMS_VBUFFER = 0x100, /* Buffer with size in int32_t field */
300 VMS_MULTIPLY = 0x200, /* multiply "size" field by field_size */
301 VMS_VARRAY_UINT8 = 0x400, /* Array with size in uint8_t field*/
302 VMS_VARRAY_UINT32 = 0x800, /* Array with size in uint32_t field*/
303 };
304
305 typedef struct {
306 const char *name;
307 size_t offset;
308 size_t size;
309 size_t start;
310 int num;
311 size_t num_offset;
312 size_t size_offset;
313 const VMStateInfo *info;
314 enum VMStateFlags flags;
315 const VMStateDescription *vmsd;
316 int version_id;
317 bool (*field_exists)(void *opaque, int version_id);
318 } VMStateField;
319
320 typedef struct VMStateSubsection {
321 const VMStateDescription *vmsd;
322 bool (*needed)(void *opaque);
323 } VMStateSubsection;
324
325 struct VMStateDescription {
326 const char *name;
327 int unmigratable;
328 int version_id;
329 int minimum_version_id;
330 int minimum_version_id_old;
331 LoadStateHandler *load_state_old;
332 int (*pre_load)(void *opaque);
333 int (*post_load)(void *opaque, int version_id);
334 void (*pre_save)(void *opaque);
335 VMStateField *fields;
336 const VMStateSubsection *subsections;
337 };
338
339 extern const VMStateInfo vmstate_info_bool;
340
341 extern const VMStateInfo vmstate_info_int8;
342 extern const VMStateInfo vmstate_info_int16;
343 extern const VMStateInfo vmstate_info_int32;
344 extern const VMStateInfo vmstate_info_int64;
345
346 extern const VMStateInfo vmstate_info_uint8_equal;
347 extern const VMStateInfo vmstate_info_uint16_equal;
348 extern const VMStateInfo vmstate_info_int32_equal;
349 extern const VMStateInfo vmstate_info_uint32_equal;
350 extern const VMStateInfo vmstate_info_int32_le;
351
352 extern const VMStateInfo vmstate_info_uint8;
353 extern const VMStateInfo vmstate_info_uint16;
354 extern const VMStateInfo vmstate_info_uint32;
355 extern const VMStateInfo vmstate_info_uint64;
356
357 extern const VMStateInfo vmstate_info_timer;
358 extern const VMStateInfo vmstate_info_ptimer;
359 extern const VMStateInfo vmstate_info_buffer;
360 extern const VMStateInfo vmstate_info_unused_buffer;
361
362 #define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
363 #define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
364
365 #define vmstate_offset_value(_state, _field, _type) \
366 (offsetof(_state, _field) + \
367 type_check(_type, typeof_field(_state, _field)))
368
369 #define vmstate_offset_pointer(_state, _field, _type) \
370 (offsetof(_state, _field) + \
371 type_check_pointer(_type, typeof_field(_state, _field)))
372
373 #define vmstate_offset_array(_state, _field, _type, _num) \
374 (offsetof(_state, _field) + \
375 type_check_array(_type, typeof_field(_state, _field), _num))
376
377 #define vmstate_offset_sub_array(_state, _field, _type, _start) \
378 (offsetof(_state, _field[_start]))
379
380 #define vmstate_offset_buffer(_state, _field) \
381 vmstate_offset_array(_state, _field, uint8_t, \
382 sizeof(typeof_field(_state, _field)))
383
384 #define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
385 .name = (stringify(_field)), \
386 .version_id = (_version), \
387 .field_exists = (_test), \
388 .size = sizeof(_type), \
389 .info = &(_info), \
390 .flags = VMS_SINGLE, \
391 .offset = vmstate_offset_value(_state, _field, _type), \
392 }
393
394 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \
395 .name = (stringify(_field)), \
396 .version_id = (_version), \
397 .info = &(_info), \
398 .size = sizeof(_type), \
399 .flags = VMS_SINGLE|VMS_POINTER, \
400 .offset = vmstate_offset_value(_state, _field, _type), \
401 }
402
403 #define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \
404 .name = (stringify(_field)), \
405 .info = &(_info), \
406 .field_exists = (_test), \
407 .size = sizeof(_type), \
408 .flags = VMS_SINGLE|VMS_POINTER, \
409 .offset = vmstate_offset_value(_state, _field, _type), \
410 }
411
412 #define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\
413 .name = (stringify(_field)), \
414 .version_id = (_version), \
415 .num = (_num), \
416 .info = &(_info), \
417 .size = sizeof(_type), \
418 .flags = VMS_ARRAY, \
419 .offset = vmstate_offset_array(_state, _field, _type, _num), \
420 }
421
422 #define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\
423 .name = (stringify(_field)), \
424 .field_exists = (_test), \
425 .num = (_num), \
426 .info = &(_info), \
427 .size = sizeof(_type), \
428 .flags = VMS_ARRAY, \
429 .offset = vmstate_offset_array(_state, _field, _type, _num),\
430 }
431
432 #define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
433 .name = (stringify(_field)), \
434 .version_id = (_version), \
435 .num = (_num), \
436 .info = &(_info), \
437 .size = sizeof(_type), \
438 .flags = VMS_ARRAY, \
439 .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
440 }
441
442 #define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\
443 .name = (stringify(_field)), \
444 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
445 .info = &(_info), \
446 .size = sizeof(_type), \
447 .flags = VMS_VARRAY_INT32, \
448 .offset = offsetof(_state, _field), \
449 }
450
451 #define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
452 .name = (stringify(_field)), \
453 .version_id = (_version), \
454 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
455 .info = &(_info), \
456 .size = sizeof(_type), \
457 .flags = VMS_VARRAY_INT32|VMS_POINTER, \
458 .offset = vmstate_offset_pointer(_state, _field, _type), \
459 }
460
461 #define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\
462 .name = (stringify(_field)), \
463 .version_id = (_version), \
464 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
465 .info = &(_info), \
466 .size = sizeof(_type), \
467 .flags = VMS_VARRAY_UINT32|VMS_POINTER, \
468 .offset = vmstate_offset_pointer(_state, _field, _type), \
469 }
470
471 #define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\
472 .name = (stringify(_field)), \
473 .version_id = (_version), \
474 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
475 .info = &(_info), \
476 .size = sizeof(_type), \
477 .flags = VMS_VARRAY_UINT16, \
478 .offset = offsetof(_state, _field), \
479 }
480
481 #define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
482 .name = (stringify(_field)), \
483 .version_id = (_version), \
484 .field_exists = (_test), \
485 .vmsd = &(_vmsd), \
486 .size = sizeof(_type), \
487 .flags = VMS_STRUCT, \
488 .offset = vmstate_offset_value(_state, _field, _type), \
489 }
490
491 #define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
492 .name = (stringify(_field)), \
493 .field_exists = (_test), \
494 .vmsd = &(_vmsd), \
495 .size = sizeof(_type), \
496 .flags = VMS_STRUCT|VMS_POINTER, \
497 .offset = vmstate_offset_value(_state, _field, _type), \
498 }
499
500 #define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
501 .name = (stringify(_field)), \
502 .version_id = (_version), \
503 .num = (_num), \
504 .info = &(_info), \
505 .size = sizeof(_type), \
506 .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \
507 .offset = vmstate_offset_array(_state, _field, _type, _num), \
508 }
509
510 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
511 .name = (stringify(_field)), \
512 .num = (_num), \
513 .field_exists = (_test), \
514 .version_id = (_version), \
515 .vmsd = &(_vmsd), \
516 .size = sizeof(_type), \
517 .flags = VMS_STRUCT|VMS_ARRAY, \
518 .offset = vmstate_offset_array(_state, _field, _type, _num),\
519 }
520
521 #define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \
522 .name = (stringify(_field)), \
523 .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \
524 .version_id = (_version), \
525 .vmsd = &(_vmsd), \
526 .size = sizeof(_type), \
527 .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \
528 .offset = offsetof(_state, _field), \
529 }
530
531 #define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \
532 .name = (stringify(_field)), \
533 .version_id = 0, \
534 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
535 .size = sizeof(_type), \
536 .vmsd = &(_vmsd), \
537 .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \
538 .offset = vmstate_offset_pointer(_state, _field, _type), \
539 }
540
541 #define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \
542 .name = (stringify(_field)), \
543 .version_id = 0, \
544 .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\
545 .size = sizeof(_type), \
546 .vmsd = &(_vmsd), \
547 .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \
548 .offset = vmstate_offset_pointer(_state, _field, _type), \
549 }
550
551 #define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \
552 .name = (stringify(_field)), \
553 .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \
554 .version_id = (_version), \
555 .vmsd = &(_vmsd), \
556 .size = sizeof(_type), \
557 .flags = VMS_STRUCT|VMS_VARRAY_INT32, \
558 .offset = offsetof(_state, _field), \
559 }
560
561 #define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \
562 .name = (stringify(_field)), \
563 .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \
564 .version_id = (_version), \
565 .vmsd = &(_vmsd), \
566 .size = sizeof(_type), \
567 .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \
568 .offset = offsetof(_state, _field), \
569 }
570
571 #define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \
572 .name = (stringify(_field)), \
573 .version_id = (_version), \
574 .field_exists = (_test), \
575 .size = (_size - _start), \
576 .info = &vmstate_info_buffer, \
577 .flags = VMS_BUFFER, \
578 .offset = vmstate_offset_buffer(_state, _field) + _start, \
579 }
580
581 #define VMSTATE_BUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \
582 .name = (stringify(_field)), \
583 .version_id = (_version), \
584 .field_exists = (_test), \
585 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
586 .size = (_multiply), \
587 .info = &vmstate_info_buffer, \
588 .flags = VMS_VBUFFER|VMS_MULTIPLY, \
589 .offset = offsetof(_state, _field), \
590 .start = (_start), \
591 }
592
593 #define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \
594 .name = (stringify(_field)), \
595 .version_id = (_version), \
596 .field_exists = (_test), \
597 .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
598 .info = &vmstate_info_buffer, \
599 .flags = VMS_VBUFFER|VMS_POINTER, \
600 .offset = offsetof(_state, _field), \
601 .start = (_start), \
602 }
603
604 #define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \
605 .name = (stringify(_field)), \
606 .version_id = (_version), \
607 .field_exists = (_test), \
608 .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\
609 .info = &vmstate_info_buffer, \
610 .flags = VMS_VBUFFER|VMS_POINTER, \
611 .offset = offsetof(_state, _field), \
612 .start = (_start), \
613 }
614
615 #define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \
616 .name = (stringify(_field)), \
617 .version_id = (_version), \
618 .size = (_size), \
619 .info = &(_info), \
620 .flags = VMS_BUFFER, \
621 .offset = offsetof(_state, _field), \
622 }
623
624 #define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \
625 .name = "unused", \
626 .field_exists = (_test), \
627 .version_id = (_version), \
628 .size = (_size), \
629 .info = &vmstate_info_unused_buffer, \
630 .flags = VMS_BUFFER, \
631 }
632 extern const VMStateDescription vmstate_pci_device;
633
634 #define VMSTATE_PCI_DEVICE(_field, _state) { \
635 .name = (stringify(_field)), \
636 .size = sizeof(PCIDevice), \
637 .vmsd = &vmstate_pci_device, \
638 .flags = VMS_STRUCT, \
639 .offset = vmstate_offset_value(_state, _field, PCIDevice), \
640 }
641
642 #define VMSTATE_PCI_DEVICE_POINTER(_field, _state) { \
643 .name = (stringify(_field)), \
644 .size = sizeof(PCIDevice), \
645 .vmsd = &vmstate_pci_device, \
646 .flags = VMS_STRUCT|VMS_POINTER, \
647 .offset = vmstate_offset_pointer(_state, _field, PCIDevice), \
648 }
649
650 extern const VMStateDescription vmstate_pcie_device;
651
652 #define VMSTATE_PCIE_DEVICE(_field, _state) { \
653 .name = (stringify(_field)), \
654 .version_id = 2, \
655 .size = sizeof(PCIDevice), \
656 .vmsd = &vmstate_pcie_device, \
657 .flags = VMS_STRUCT, \
658 .offset = vmstate_offset_value(_state, _field, PCIDevice), \
659 }
660
661 extern const VMStateDescription vmstate_i2c_slave;
662
663 #define VMSTATE_I2C_SLAVE(_field, _state) { \
664 .name = (stringify(_field)), \
665 .size = sizeof(i2c_slave), \
666 .vmsd = &vmstate_i2c_slave, \
667 .flags = VMS_STRUCT, \
668 .offset = vmstate_offset_value(_state, _field, i2c_slave), \
669 }
670
671 extern const VMStateDescription vmstate_usb_device;
672
673 #define VMSTATE_USB_DEVICE(_field, _state) { \
674 .name = (stringify(_field)), \
675 .size = sizeof(USBDevice), \
676 .vmsd = &vmstate_usb_device, \
677 .flags = VMS_STRUCT, \
678 .offset = vmstate_offset_value(_state, _field, USBDevice), \
679 }
680
681 #define vmstate_offset_macaddr(_state, _field) \
682 vmstate_offset_array(_state, _field.a, uint8_t, \
683 sizeof(typeof_field(_state, _field)))
684
685 #define VMSTATE_MACADDR(_field, _state) { \
686 .name = (stringify(_field)), \
687 .size = sizeof(MACAddr), \
688 .info = &vmstate_info_buffer, \
689 .flags = VMS_BUFFER, \
690 .offset = vmstate_offset_macaddr(_state, _field), \
691 }
692
693 extern const VMStateDescription vmstate_ptimer;
694
695 #define VMSTATE_PTIMER(_field, _state) { \
696 .name = (stringify(_field)), \
697 .version_id = (1), \
698 .vmsd = &vmstate_ptimer, \
699 .size = sizeof(ptimer_state *), \
700 .flags = VMS_STRUCT|VMS_POINTER, \
701 .offset = vmstate_offset_pointer(_state, _field, ptimer_state), \
702 }
703
704 /* _f : field name
705 _f_n : num of elements field_name
706 _n : num of elements
707 _s : struct state name
708 _v : version
709 */
710
711 #define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
712 VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
713
714 #define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
715 VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
716
717 #define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
718 VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
719
720 #define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \
721 VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \
722 _vmsd, _type)
723
724 #define VMSTATE_BOOL_V(_f, _s, _v) \
725 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool)
726
727 #define VMSTATE_INT8_V(_f, _s, _v) \
728 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
729 #define VMSTATE_INT16_V(_f, _s, _v) \
730 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t)
731 #define VMSTATE_INT32_V(_f, _s, _v) \
732 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t)
733 #define VMSTATE_INT64_V(_f, _s, _v) \
734 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t)
735
736 #define VMSTATE_UINT8_V(_f, _s, _v) \
737 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t)
738 #define VMSTATE_UINT16_V(_f, _s, _v) \
739 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t)
740 #define VMSTATE_UINT32_V(_f, _s, _v) \
741 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t)
742 #define VMSTATE_UINT64_V(_f, _s, _v) \
743 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t)
744
745 #define VMSTATE_BOOL(_f, _s) \
746 VMSTATE_BOOL_V(_f, _s, 0)
747
748 #define VMSTATE_INT8(_f, _s) \
749 VMSTATE_INT8_V(_f, _s, 0)
750 #define VMSTATE_INT16(_f, _s) \
751 VMSTATE_INT16_V(_f, _s, 0)
752 #define VMSTATE_INT32(_f, _s) \
753 VMSTATE_INT32_V(_f, _s, 0)
754 #define VMSTATE_INT64(_f, _s) \
755 VMSTATE_INT64_V(_f, _s, 0)
756
757 #define VMSTATE_UINT8(_f, _s) \
758 VMSTATE_UINT8_V(_f, _s, 0)
759 #define VMSTATE_UINT16(_f, _s) \
760 VMSTATE_UINT16_V(_f, _s, 0)
761 #define VMSTATE_UINT32(_f, _s) \
762 VMSTATE_UINT32_V(_f, _s, 0)
763 #define VMSTATE_UINT64(_f, _s) \
764 VMSTATE_UINT64_V(_f, _s, 0)
765
766 #define VMSTATE_UINT8_EQUAL(_f, _s) \
767 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
768
769 #define VMSTATE_UINT16_EQUAL(_f, _s) \
770 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t)
771
772 #define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \
773 VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t)
774
775 #define VMSTATE_INT32_EQUAL(_f, _s) \
776 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
777
778 #define VMSTATE_UINT32_EQUAL(_f, _s) \
779 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
780
781 #define VMSTATE_INT32_LE(_f, _s) \
782 VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
783
784 #define VMSTATE_UINT8_TEST(_f, _s, _t) \
785 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t)
786
787 #define VMSTATE_UINT16_TEST(_f, _s, _t) \
788 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t)
789
790 #define VMSTATE_UINT32_TEST(_f, _s, _t) \
791 VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t)
792
793 #define VMSTATE_TIMER_TEST(_f, _s, _test) \
794 VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *)
795
796 #define VMSTATE_TIMER(_f, _s) \
797 VMSTATE_TIMER_TEST(_f, _s, NULL)
798
799 #define VMSTATE_TIMER_ARRAY(_f, _s, _n) \
800 VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *)
801
802 #define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \
803 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool)
804
805 #define VMSTATE_BOOL_ARRAY(_f, _s, _n) \
806 VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0)
807
808 #define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \
809 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t)
810
811 #define VMSTATE_UINT16_ARRAY(_f, _s, _n) \
812 VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0)
813
814 #define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \
815 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t)
816
817 #define VMSTATE_UINT8_ARRAY(_f, _s, _n) \
818 VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0)
819
820 #define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \
821 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t)
822
823 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
824 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
825
826 #define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \
827 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t)
828
829 #define VMSTATE_UINT64_ARRAY(_f, _s, _n) \
830 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0)
831
832 #define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \
833 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t)
834
835 #define VMSTATE_INT16_ARRAY(_f, _s, _n) \
836 VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0)
837
838 #define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \
839 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t)
840
841 #define VMSTATE_INT32_ARRAY(_f, _s, _n) \
842 VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
843
844 #define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
845 VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
846
847 #define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
848 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0)
849
850 #define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \
851 VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t)
852
853 #define VMSTATE_INT64_ARRAY(_f, _s, _n) \
854 VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0)
855
856 #define VMSTATE_BUFFER_V(_f, _s, _v) \
857 VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f)))
858
859 #define VMSTATE_BUFFER(_f, _s) \
860 VMSTATE_BUFFER_V(_f, _s, 0)
861
862 #define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \
863 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size)
864
865 #define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \
866 VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f)))
867
868 #define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \
869 VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size)
870
871 #define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \
872 VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size)
873
874 #define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \
875 VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size)
876
877 #define VMSTATE_BUFFER_TEST(_f, _s, _test) \
878 VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f)))
879
880 #define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \
881 VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size)
882
883 #define VMSTATE_UNUSED_V(_v, _size) \
884 VMSTATE_UNUSED_BUFFER(NULL, _v, _size)
885
886 #define VMSTATE_UNUSED(_size) \
887 VMSTATE_UNUSED_V(0, _size)
888
889 #define VMSTATE_UNUSED_TEST(_test, _size) \
890 VMSTATE_UNUSED_BUFFER(_test, 0, _size)
891
892 #ifdef NEED_CPU_H
893 #if TARGET_LONG_BITS == 64
894 #define VMSTATE_UINTTL_V(_f, _s, _v) \
895 VMSTATE_UINT64_V(_f, _s, _v)
896 #define VMSTATE_UINTTL_ARRAY_V(_f, _s, _n, _v) \
897 VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v)
898 #else
899 #define VMSTATE_UINTTL_V(_f, _s, _v) \
900 VMSTATE_UINT32_V(_f, _s, _v)
901 #define VMSTATE_UINTTL_ARRAY_V(_f, _s, _n, _v) \
902 VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v)
903 #endif
904 #define VMSTATE_UINTTL(_f, _s) \
905 VMSTATE_UINTTL_V(_f, _s, 0)
906 #define VMSTATE_UINTTL_ARRAY(_f, _s, _n) \
907 VMSTATE_UINTTL_ARRAY_V(_f, _s, _n, 0)
908
909 #endif
910
911 #define VMSTATE_END_OF_LIST() \
912 {}
913
914 int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
915 void *opaque, int version_id);
916 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
917 void *opaque);
918 int vmstate_register(DeviceState *dev, int instance_id,
919 const VMStateDescription *vmsd, void *base);
920 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
921 const VMStateDescription *vmsd,
922 void *base, int alias_id,
923 int required_for_version);
924 void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
925 void *opaque);
926 #endif
Qemu copy for testing