qdev: Introduce DEFINE_PROP_RESERVED_REGION
[qemu.git] / hw / core / qdev-properties.c
1 #include "qemu/osdep.h"
2 #include "net/net.h"
3 #include "hw/qdev-properties.h"
4 #include "qapi/error.h"
5 #include "hw/pci/pci.h"
6 #include "qapi/qapi-types-block.h"
7 #include "qapi/qapi-types-misc.h"
8 #include "qapi/qmp/qerror.h"
9 #include "qemu/ctype.h"
10 #include "qemu/error-report.h"
11 #include "qapi/qapi-types-migration.h"
12 #include "hw/block/block.h"
13 #include "net/hub.h"
14 #include "qapi/visitor.h"
15 #include "chardev/char.h"
16 #include "qemu/uuid.h"
17 #include "qemu/units.h"
18 #include "qemu/cutils.h"
19
20 void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
21 Error **errp)
22 {
23 if (dev->id) {
24 error_setg(errp, "Attempt to set property '%s' on device '%s' "
25 "(type '%s') after it was realized", name, dev->id,
26 object_get_typename(OBJECT(dev)));
27 } else {
28 error_setg(errp, "Attempt to set property '%s' on anonymous device "
29 "(type '%s') after it was realized", name,
30 object_get_typename(OBJECT(dev)));
31 }
32 }
33
34 void qdev_prop_allow_set_link_before_realize(const Object *obj,
35 const char *name,
36 Object *val, Error **errp)
37 {
38 DeviceState *dev = DEVICE(obj);
39
40 if (dev->realized) {
41 error_setg(errp, "Attempt to set link property '%s' on device '%s' "
42 "(type '%s') after it was realized",
43 name, dev->id, object_get_typename(obj));
44 }
45 }
46
47 void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
48 {
49 void *ptr = dev;
50 ptr += prop->offset;
51 return ptr;
52 }
53
54 static void get_enum(Object *obj, Visitor *v, const char *name, void *opaque,
55 Error **errp)
56 {
57 DeviceState *dev = DEVICE(obj);
58 Property *prop = opaque;
59 int *ptr = qdev_get_prop_ptr(dev, prop);
60
61 visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp);
62 }
63
64 static void set_enum(Object *obj, Visitor *v, const char *name, void *opaque,
65 Error **errp)
66 {
67 DeviceState *dev = DEVICE(obj);
68 Property *prop = opaque;
69 int *ptr = qdev_get_prop_ptr(dev, prop);
70
71 if (dev->realized) {
72 qdev_prop_set_after_realize(dev, name, errp);
73 return;
74 }
75
76 visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp);
77 }
78
79 static void set_default_value_enum(ObjectProperty *op, const Property *prop)
80 {
81 object_property_set_default_str(op,
82 qapi_enum_lookup(prop->info->enum_table, prop->defval.i));
83 }
84
85 /* Bit */
86
87 static uint32_t qdev_get_prop_mask(Property *prop)
88 {
89 assert(prop->info == &qdev_prop_bit);
90 return 0x1 << prop->bitnr;
91 }
92
93 static void bit_prop_set(DeviceState *dev, Property *props, bool val)
94 {
95 uint32_t *p = qdev_get_prop_ptr(dev, props);
96 uint32_t mask = qdev_get_prop_mask(props);
97 if (val) {
98 *p |= mask;
99 } else {
100 *p &= ~mask;
101 }
102 }
103
104 static void prop_get_bit(Object *obj, Visitor *v, const char *name,
105 void *opaque, Error **errp)
106 {
107 DeviceState *dev = DEVICE(obj);
108 Property *prop = opaque;
109 uint32_t *p = qdev_get_prop_ptr(dev, prop);
110 bool value = (*p & qdev_get_prop_mask(prop)) != 0;
111
112 visit_type_bool(v, name, &value, errp);
113 }
114
115 static void prop_set_bit(Object *obj, Visitor *v, const char *name,
116 void *opaque, Error **errp)
117 {
118 DeviceState *dev = DEVICE(obj);
119 Property *prop = opaque;
120 Error *local_err = NULL;
121 bool value;
122
123 if (dev->realized) {
124 qdev_prop_set_after_realize(dev, name, errp);
125 return;
126 }
127
128 visit_type_bool(v, name, &value, &local_err);
129 if (local_err) {
130 error_propagate(errp, local_err);
131 return;
132 }
133 bit_prop_set(dev, prop, value);
134 }
135
136 static void set_default_value_bool(ObjectProperty *op, const Property *prop)
137 {
138 object_property_set_default_bool(op, prop->defval.u);
139 }
140
141 const PropertyInfo qdev_prop_bit = {
142 .name = "bool",
143 .description = "on/off",
144 .get = prop_get_bit,
145 .set = prop_set_bit,
146 .set_default_value = set_default_value_bool,
147 };
148
149 /* Bit64 */
150
151 static uint64_t qdev_get_prop_mask64(Property *prop)
152 {
153 assert(prop->info == &qdev_prop_bit64);
154 return 0x1ull << prop->bitnr;
155 }
156
157 static void bit64_prop_set(DeviceState *dev, Property *props, bool val)
158 {
159 uint64_t *p = qdev_get_prop_ptr(dev, props);
160 uint64_t mask = qdev_get_prop_mask64(props);
161 if (val) {
162 *p |= mask;
163 } else {
164 *p &= ~mask;
165 }
166 }
167
168 static void prop_get_bit64(Object *obj, Visitor *v, const char *name,
169 void *opaque, Error **errp)
170 {
171 DeviceState *dev = DEVICE(obj);
172 Property *prop = opaque;
173 uint64_t *p = qdev_get_prop_ptr(dev, prop);
174 bool value = (*p & qdev_get_prop_mask64(prop)) != 0;
175
176 visit_type_bool(v, name, &value, errp);
177 }
178
179 static void prop_set_bit64(Object *obj, Visitor *v, const char *name,
180 void *opaque, Error **errp)
181 {
182 DeviceState *dev = DEVICE(obj);
183 Property *prop = opaque;
184 Error *local_err = NULL;
185 bool value;
186
187 if (dev->realized) {
188 qdev_prop_set_after_realize(dev, name, errp);
189 return;
190 }
191
192 visit_type_bool(v, name, &value, &local_err);
193 if (local_err) {
194 error_propagate(errp, local_err);
195 return;
196 }
197 bit64_prop_set(dev, prop, value);
198 }
199
200 const PropertyInfo qdev_prop_bit64 = {
201 .name = "bool",
202 .description = "on/off",
203 .get = prop_get_bit64,
204 .set = prop_set_bit64,
205 .set_default_value = set_default_value_bool,
206 };
207
208 /* --- bool --- */
209
210 static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque,
211 Error **errp)
212 {
213 DeviceState *dev = DEVICE(obj);
214 Property *prop = opaque;
215 bool *ptr = qdev_get_prop_ptr(dev, prop);
216
217 visit_type_bool(v, name, ptr, errp);
218 }
219
220 static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque,
221 Error **errp)
222 {
223 DeviceState *dev = DEVICE(obj);
224 Property *prop = opaque;
225 bool *ptr = qdev_get_prop_ptr(dev, prop);
226
227 if (dev->realized) {
228 qdev_prop_set_after_realize(dev, name, errp);
229 return;
230 }
231
232 visit_type_bool(v, name, ptr, errp);
233 }
234
235 const PropertyInfo qdev_prop_bool = {
236 .name = "bool",
237 .get = get_bool,
238 .set = set_bool,
239 .set_default_value = set_default_value_bool,
240 };
241
242 /* --- 8bit integer --- */
243
244 static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
245 Error **errp)
246 {
247 DeviceState *dev = DEVICE(obj);
248 Property *prop = opaque;
249 uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
250
251 visit_type_uint8(v, name, ptr, errp);
252 }
253
254 static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
255 Error **errp)
256 {
257 DeviceState *dev = DEVICE(obj);
258 Property *prop = opaque;
259 uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
260
261 if (dev->realized) {
262 qdev_prop_set_after_realize(dev, name, errp);
263 return;
264 }
265
266 visit_type_uint8(v, name, ptr, errp);
267 }
268
269 static void set_default_value_int(ObjectProperty *op, const Property *prop)
270 {
271 object_property_set_default_int(op, prop->defval.i);
272 }
273
274 static void set_default_value_uint(ObjectProperty *op, const Property *prop)
275 {
276 object_property_set_default_uint(op, prop->defval.u);
277 }
278
279 const PropertyInfo qdev_prop_uint8 = {
280 .name = "uint8",
281 .get = get_uint8,
282 .set = set_uint8,
283 .set_default_value = set_default_value_uint,
284 };
285
286 /* --- 16bit integer --- */
287
288 static void get_uint16(Object *obj, Visitor *v, const char *name,
289 void *opaque, Error **errp)
290 {
291 DeviceState *dev = DEVICE(obj);
292 Property *prop = opaque;
293 uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
294
295 visit_type_uint16(v, name, ptr, errp);
296 }
297
298 static void set_uint16(Object *obj, Visitor *v, const char *name,
299 void *opaque, Error **errp)
300 {
301 DeviceState *dev = DEVICE(obj);
302 Property *prop = opaque;
303 uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
304
305 if (dev->realized) {
306 qdev_prop_set_after_realize(dev, name, errp);
307 return;
308 }
309
310 visit_type_uint16(v, name, ptr, errp);
311 }
312
313 const PropertyInfo qdev_prop_uint16 = {
314 .name = "uint16",
315 .get = get_uint16,
316 .set = set_uint16,
317 .set_default_value = set_default_value_uint,
318 };
319
320 /* --- 32bit integer --- */
321
322 static void get_uint32(Object *obj, Visitor *v, const char *name,
323 void *opaque, Error **errp)
324 {
325 DeviceState *dev = DEVICE(obj);
326 Property *prop = opaque;
327 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
328
329 visit_type_uint32(v, name, ptr, errp);
330 }
331
332 static void set_uint32(Object *obj, Visitor *v, const char *name,
333 void *opaque, Error **errp)
334 {
335 DeviceState *dev = DEVICE(obj);
336 Property *prop = opaque;
337 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
338
339 if (dev->realized) {
340 qdev_prop_set_after_realize(dev, name, errp);
341 return;
342 }
343
344 visit_type_uint32(v, name, ptr, errp);
345 }
346
347 static void get_int32(Object *obj, Visitor *v, const char *name, void *opaque,
348 Error **errp)
349 {
350 DeviceState *dev = DEVICE(obj);
351 Property *prop = opaque;
352 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
353
354 visit_type_int32(v, name, ptr, errp);
355 }
356
357 static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque,
358 Error **errp)
359 {
360 DeviceState *dev = DEVICE(obj);
361 Property *prop = opaque;
362 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
363
364 if (dev->realized) {
365 qdev_prop_set_after_realize(dev, name, errp);
366 return;
367 }
368
369 visit_type_int32(v, name, ptr, errp);
370 }
371
372 const PropertyInfo qdev_prop_uint32 = {
373 .name = "uint32",
374 .get = get_uint32,
375 .set = set_uint32,
376 .set_default_value = set_default_value_uint,
377 };
378
379 const PropertyInfo qdev_prop_int32 = {
380 .name = "int32",
381 .get = get_int32,
382 .set = set_int32,
383 .set_default_value = set_default_value_int,
384 };
385
386 /* --- 64bit integer --- */
387
388 static void get_uint64(Object *obj, Visitor *v, const char *name,
389 void *opaque, Error **errp)
390 {
391 DeviceState *dev = DEVICE(obj);
392 Property *prop = opaque;
393 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
394
395 visit_type_uint64(v, name, ptr, errp);
396 }
397
398 static void set_uint64(Object *obj, Visitor *v, const char *name,
399 void *opaque, Error **errp)
400 {
401 DeviceState *dev = DEVICE(obj);
402 Property *prop = opaque;
403 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
404
405 if (dev->realized) {
406 qdev_prop_set_after_realize(dev, name, errp);
407 return;
408 }
409
410 visit_type_uint64(v, name, ptr, errp);
411 }
412
413 static void get_int64(Object *obj, Visitor *v, const char *name,
414 void *opaque, Error **errp)
415 {
416 DeviceState *dev = DEVICE(obj);
417 Property *prop = opaque;
418 int64_t *ptr = qdev_get_prop_ptr(dev, prop);
419
420 visit_type_int64(v, name, ptr, errp);
421 }
422
423 static void set_int64(Object *obj, Visitor *v, const char *name,
424 void *opaque, Error **errp)
425 {
426 DeviceState *dev = DEVICE(obj);
427 Property *prop = opaque;
428 int64_t *ptr = qdev_get_prop_ptr(dev, prop);
429
430 if (dev->realized) {
431 qdev_prop_set_after_realize(dev, name, errp);
432 return;
433 }
434
435 visit_type_int64(v, name, ptr, errp);
436 }
437
438 const PropertyInfo qdev_prop_uint64 = {
439 .name = "uint64",
440 .get = get_uint64,
441 .set = set_uint64,
442 .set_default_value = set_default_value_uint,
443 };
444
445 const PropertyInfo qdev_prop_int64 = {
446 .name = "int64",
447 .get = get_int64,
448 .set = set_int64,
449 .set_default_value = set_default_value_int,
450 };
451
452 /* --- string --- */
453
454 static void release_string(Object *obj, const char *name, void *opaque)
455 {
456 Property *prop = opaque;
457 g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
458 }
459
460 static void get_string(Object *obj, Visitor *v, const char *name,
461 void *opaque, Error **errp)
462 {
463 DeviceState *dev = DEVICE(obj);
464 Property *prop = opaque;
465 char **ptr = qdev_get_prop_ptr(dev, prop);
466
467 if (!*ptr) {
468 char *str = (char *)"";
469 visit_type_str(v, name, &str, errp);
470 } else {
471 visit_type_str(v, name, ptr, errp);
472 }
473 }
474
475 static void set_string(Object *obj, Visitor *v, const char *name,
476 void *opaque, Error **errp)
477 {
478 DeviceState *dev = DEVICE(obj);
479 Property *prop = opaque;
480 char **ptr = qdev_get_prop_ptr(dev, prop);
481 Error *local_err = NULL;
482 char *str;
483
484 if (dev->realized) {
485 qdev_prop_set_after_realize(dev, name, errp);
486 return;
487 }
488
489 visit_type_str(v, name, &str, &local_err);
490 if (local_err) {
491 error_propagate(errp, local_err);
492 return;
493 }
494 g_free(*ptr);
495 *ptr = str;
496 }
497
498 const PropertyInfo qdev_prop_string = {
499 .name = "str",
500 .release = release_string,
501 .get = get_string,
502 .set = set_string,
503 };
504
505 /* --- mac address --- */
506
507 /*
508 * accepted syntax versions:
509 * 01:02:03:04:05:06
510 * 01-02-03-04-05-06
511 */
512 static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque,
513 Error **errp)
514 {
515 DeviceState *dev = DEVICE(obj);
516 Property *prop = opaque;
517 MACAddr *mac = qdev_get_prop_ptr(dev, prop);
518 char buffer[2 * 6 + 5 + 1];
519 char *p = buffer;
520
521 snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x",
522 mac->a[0], mac->a[1], mac->a[2],
523 mac->a[3], mac->a[4], mac->a[5]);
524
525 visit_type_str(v, name, &p, errp);
526 }
527
528 static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque,
529 Error **errp)
530 {
531 DeviceState *dev = DEVICE(obj);
532 Property *prop = opaque;
533 MACAddr *mac = qdev_get_prop_ptr(dev, prop);
534 Error *local_err = NULL;
535 int i, pos;
536 char *str, *p;
537
538 if (dev->realized) {
539 qdev_prop_set_after_realize(dev, name, errp);
540 return;
541 }
542
543 visit_type_str(v, name, &str, &local_err);
544 if (local_err) {
545 error_propagate(errp, local_err);
546 return;
547 }
548
549 for (i = 0, pos = 0; i < 6; i++, pos += 3) {
550 if (!qemu_isxdigit(str[pos])) {
551 goto inval;
552 }
553 if (!qemu_isxdigit(str[pos+1])) {
554 goto inval;
555 }
556 if (i == 5) {
557 if (str[pos+2] != '\0') {
558 goto inval;
559 }
560 } else {
561 if (str[pos+2] != ':' && str[pos+2] != '-') {
562 goto inval;
563 }
564 }
565 mac->a[i] = strtol(str+pos, &p, 16);
566 }
567 g_free(str);
568 return;
569
570 inval:
571 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
572 g_free(str);
573 }
574
575 const PropertyInfo qdev_prop_macaddr = {
576 .name = "str",
577 .description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56",
578 .get = get_mac,
579 .set = set_mac,
580 };
581
582 /* --- Reserved Region --- */
583
584 /*
585 * Accepted syntax:
586 * <low address>:<high address>:<type>
587 * where low/high addresses are uint64_t in hexadecimal
588 * and type is a non-negative decimal integer
589 */
590 static void get_reserved_region(Object *obj, Visitor *v, const char *name,
591 void *opaque, Error **errp)
592 {
593 DeviceState *dev = DEVICE(obj);
594 Property *prop = opaque;
595 ReservedRegion *rr = qdev_get_prop_ptr(dev, prop);
596 char buffer[64];
597 char *p = buffer;
598 int rc;
599
600 rc = snprintf(buffer, sizeof(buffer), "0x%"PRIx64":0x%"PRIx64":%u",
601 rr->low, rr->high, rr->type);
602 assert(rc < sizeof(buffer));
603
604 visit_type_str(v, name, &p, errp);
605 }
606
607 static void set_reserved_region(Object *obj, Visitor *v, const char *name,
608 void *opaque, Error **errp)
609 {
610 DeviceState *dev = DEVICE(obj);
611 Property *prop = opaque;
612 ReservedRegion *rr = qdev_get_prop_ptr(dev, prop);
613 Error *local_err = NULL;
614 const char *endptr;
615 char *str;
616 int ret;
617
618 if (dev->realized) {
619 qdev_prop_set_after_realize(dev, name, errp);
620 return;
621 }
622
623 visit_type_str(v, name, &str, &local_err);
624 if (local_err) {
625 error_propagate(errp, local_err);
626 return;
627 }
628
629 ret = qemu_strtou64(str, &endptr, 16, &rr->low);
630 if (ret) {
631 error_setg(errp, "start address of '%s'"
632 " must be a hexadecimal integer", name);
633 goto out;
634 }
635 if (*endptr != ':') {
636 goto separator_error;
637 }
638
639 ret = qemu_strtou64(endptr + 1, &endptr, 16, &rr->high);
640 if (ret) {
641 error_setg(errp, "end address of '%s'"
642 " must be a hexadecimal integer", name);
643 goto out;
644 }
645 if (*endptr != ':') {
646 goto separator_error;
647 }
648
649 ret = qemu_strtoui(endptr + 1, &endptr, 10, &rr->type);
650 if (ret) {
651 error_setg(errp, "type of '%s'"
652 " must be a non-negative decimal integer", name);
653 }
654 goto out;
655
656 separator_error:
657 error_setg(errp, "reserved region fields must be separated with ':'");
658 out:
659 g_free(str);
660 return;
661 }
662
663 const PropertyInfo qdev_prop_reserved_region = {
664 .name = "reserved_region",
665 .description = "Reserved Region, example: 0xFEE00000:0xFEEFFFFF:0",
666 .get = get_reserved_region,
667 .set = set_reserved_region,
668 };
669
670 /* --- on/off/auto --- */
671
672 const PropertyInfo qdev_prop_on_off_auto = {
673 .name = "OnOffAuto",
674 .description = "on/off/auto",
675 .enum_table = &OnOffAuto_lookup,
676 .get = get_enum,
677 .set = set_enum,
678 .set_default_value = set_default_value_enum,
679 };
680
681 /* --- lost tick policy --- */
682
683 QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int));
684
685 const PropertyInfo qdev_prop_losttickpolicy = {
686 .name = "LostTickPolicy",
687 .enum_table = &LostTickPolicy_lookup,
688 .get = get_enum,
689 .set = set_enum,
690 .set_default_value = set_default_value_enum,
691 };
692
693 /* --- Block device error handling policy --- */
694
695 QEMU_BUILD_BUG_ON(sizeof(BlockdevOnError) != sizeof(int));
696
697 const PropertyInfo qdev_prop_blockdev_on_error = {
698 .name = "BlockdevOnError",
699 .description = "Error handling policy, "
700 "report/ignore/enospc/stop/auto",
701 .enum_table = &BlockdevOnError_lookup,
702 .get = get_enum,
703 .set = set_enum,
704 .set_default_value = set_default_value_enum,
705 };
706
707 /* --- BIOS CHS translation */
708
709 QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
710
711 const PropertyInfo qdev_prop_bios_chs_trans = {
712 .name = "BiosAtaTranslation",
713 .description = "Logical CHS translation algorithm, "
714 "auto/none/lba/large/rechs",
715 .enum_table = &BiosAtaTranslation_lookup,
716 .get = get_enum,
717 .set = set_enum,
718 .set_default_value = set_default_value_enum,
719 };
720
721 /* --- FDC default drive types */
722
723 const PropertyInfo qdev_prop_fdc_drive_type = {
724 .name = "FdcDriveType",
725 .description = "FDC drive type, "
726 "144/288/120/none/auto",
727 .enum_table = &FloppyDriveType_lookup,
728 .get = get_enum,
729 .set = set_enum,
730 .set_default_value = set_default_value_enum,
731 };
732
733 /* --- MultiFDCompression --- */
734
735 const PropertyInfo qdev_prop_multifd_compression = {
736 .name = "MultiFDCompression",
737 .description = "multifd_compression values, "
738 "none/zlib/zstd",
739 .enum_table = &MultiFDCompression_lookup,
740 .get = get_enum,
741 .set = set_enum,
742 .set_default_value = set_default_value_enum,
743 };
744
745 /* --- pci address --- */
746
747 /*
748 * bus-local address, i.e. "$slot" or "$slot.$fn"
749 */
750 static void set_pci_devfn(Object *obj, Visitor *v, const char *name,
751 void *opaque, Error **errp)
752 {
753 DeviceState *dev = DEVICE(obj);
754 Property *prop = opaque;
755 int32_t value, *ptr = qdev_get_prop_ptr(dev, prop);
756 unsigned int slot, fn, n;
757 Error *local_err = NULL;
758 char *str;
759
760 if (dev->realized) {
761 qdev_prop_set_after_realize(dev, name, errp);
762 return;
763 }
764
765 visit_type_str(v, name, &str, &local_err);
766 if (local_err) {
767 error_free(local_err);
768 local_err = NULL;
769 visit_type_int32(v, name, &value, &local_err);
770 if (local_err) {
771 error_propagate(errp, local_err);
772 } else if (value < -1 || value > 255) {
773 error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
774 name ? name : "null", "pci_devfn");
775 } else {
776 *ptr = value;
777 }
778 return;
779 }
780
781 if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
782 fn = 0;
783 if (sscanf(str, "%x%n", &slot, &n) != 1) {
784 goto invalid;
785 }
786 }
787 if (str[n] != '\0' || fn > 7 || slot > 31) {
788 goto invalid;
789 }
790 *ptr = slot << 3 | fn;
791 g_free(str);
792 return;
793
794 invalid:
795 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
796 g_free(str);
797 }
798
799 static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest,
800 size_t len)
801 {
802 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
803
804 if (*ptr == -1) {
805 return snprintf(dest, len, "<unset>");
806 } else {
807 return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
808 }
809 }
810
811 const PropertyInfo qdev_prop_pci_devfn = {
812 .name = "int32",
813 .description = "Slot and optional function number, example: 06.0 or 06",
814 .print = print_pci_devfn,
815 .get = get_int32,
816 .set = set_pci_devfn,
817 .set_default_value = set_default_value_int,
818 };
819
820 /* --- 32bit unsigned int 'size' type --- */
821
822 static void get_size32(Object *obj, Visitor *v, const char *name, void *opaque,
823 Error **errp)
824 {
825 DeviceState *dev = DEVICE(obj);
826 Property *prop = opaque;
827 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
828 uint64_t value = *ptr;
829
830 visit_type_size(v, name, &value, errp);
831 }
832
833 static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque,
834 Error **errp)
835 {
836 DeviceState *dev = DEVICE(obj);
837 Property *prop = opaque;
838 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
839 uint64_t value;
840 Error *local_err = NULL;
841
842 if (dev->realized) {
843 qdev_prop_set_after_realize(dev, name, errp);
844 return;
845 }
846
847 visit_type_size(v, name, &value, &local_err);
848 if (local_err) {
849 error_propagate(errp, local_err);
850 return;
851 }
852
853 if (value > UINT32_MAX) {
854 error_setg(errp,
855 "Property %s.%s doesn't take value %" PRIu64
856 " (maximum: %u)",
857 dev->id ? : "", name, value, UINT32_MAX);
858 return;
859 }
860
861 *ptr = value;
862 }
863
864 const PropertyInfo qdev_prop_size32 = {
865 .name = "size",
866 .get = get_size32,
867 .set = set_size32,
868 .set_default_value = set_default_value_uint,
869 };
870
871 /* --- blocksize --- */
872
873 /* lower limit is sector size */
874 #define MIN_BLOCK_SIZE 512
875 #define MIN_BLOCK_SIZE_STR "512 B"
876 /*
877 * upper limit is arbitrary, 2 MiB looks sufficient for all sensible uses, and
878 * matches qcow2 cluster size limit
879 */
880 #define MAX_BLOCK_SIZE (2 * MiB)
881 #define MAX_BLOCK_SIZE_STR "2 MiB"
882
883 static void set_blocksize(Object *obj, Visitor *v, const char *name,
884 void *opaque, Error **errp)
885 {
886 DeviceState *dev = DEVICE(obj);
887 Property *prop = opaque;
888 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
889 uint64_t value;
890 Error *local_err = NULL;
891
892 if (dev->realized) {
893 qdev_prop_set_after_realize(dev, name, errp);
894 return;
895 }
896
897 visit_type_size(v, name, &value, &local_err);
898 if (local_err) {
899 error_propagate(errp, local_err);
900 return;
901 }
902 /* value of 0 means "unset" */
903 if (value && (value < MIN_BLOCK_SIZE || value > MAX_BLOCK_SIZE)) {
904 error_setg(errp,
905 "Property %s.%s doesn't take value %" PRIu64
906 " (minimum: " MIN_BLOCK_SIZE_STR
907 ", maximum: " MAX_BLOCK_SIZE_STR ")",
908 dev->id ? : "", name, value);
909 return;
910 }
911
912 /* We rely on power-of-2 blocksizes for bitmasks */
913 if ((value & (value - 1)) != 0) {
914 error_setg(errp,
915 "Property %s.%s doesn't take value '%" PRId64 "', it's not a power of 2",
916 dev->id ?: "", name, (int64_t)value);
917 return;
918 }
919
920 *ptr = value;
921 }
922
923 const PropertyInfo qdev_prop_blocksize = {
924 .name = "size",
925 .description = "A power of two between " MIN_BLOCK_SIZE_STR
926 " and " MAX_BLOCK_SIZE_STR,
927 .get = get_size32,
928 .set = set_blocksize,
929 .set_default_value = set_default_value_uint,
930 };
931
932 /* --- pci host address --- */
933
934 static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
935 void *opaque, Error **errp)
936 {
937 DeviceState *dev = DEVICE(obj);
938 Property *prop = opaque;
939 PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
940 char buffer[] = "ffff:ff:ff.f";
941 char *p = buffer;
942 int rc = 0;
943
944 /*
945 * Catch "invalid" device reference from vfio-pci and allow the
946 * default buffer representing the non-existent device to be used.
947 */
948 if (~addr->domain || ~addr->bus || ~addr->slot || ~addr->function) {
949 rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%0d",
950 addr->domain, addr->bus, addr->slot, addr->function);
951 assert(rc == sizeof(buffer) - 1);
952 }
953
954 visit_type_str(v, name, &p, errp);
955 }
956
957 /*
958 * Parse [<domain>:]<bus>:<slot>.<func>
959 * if <domain> is not supplied, it's assumed to be 0.
960 */
961 static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
962 void *opaque, Error **errp)
963 {
964 DeviceState *dev = DEVICE(obj);
965 Property *prop = opaque;
966 PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
967 Error *local_err = NULL;
968 char *str, *p;
969 char *e;
970 unsigned long val;
971 unsigned long dom = 0, bus = 0;
972 unsigned int slot = 0, func = 0;
973
974 if (dev->realized) {
975 qdev_prop_set_after_realize(dev, name, errp);
976 return;
977 }
978
979 visit_type_str(v, name, &str, &local_err);
980 if (local_err) {
981 error_propagate(errp, local_err);
982 return;
983 }
984
985 p = str;
986 val = strtoul(p, &e, 16);
987 if (e == p || *e != ':') {
988 goto inval;
989 }
990 bus = val;
991
992 p = e + 1;
993 val = strtoul(p, &e, 16);
994 if (e == p) {
995 goto inval;
996 }
997 if (*e == ':') {
998 dom = bus;
999 bus = val;
1000 p = e + 1;
1001 val = strtoul(p, &e, 16);
1002 if (e == p) {
1003 goto inval;
1004 }
1005 }
1006 slot = val;
1007
1008 if (*e != '.') {
1009 goto inval;
1010 }
1011 p = e + 1;
1012 val = strtoul(p, &e, 10);
1013 if (e == p) {
1014 goto inval;
1015 }
1016 func = val;
1017
1018 if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) {
1019 goto inval;
1020 }
1021
1022 if (*e) {
1023 goto inval;
1024 }
1025
1026 addr->domain = dom;
1027 addr->bus = bus;
1028 addr->slot = slot;
1029 addr->function = func;
1030
1031 g_free(str);
1032 return;
1033
1034 inval:
1035 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
1036 g_free(str);
1037 }
1038
1039 const PropertyInfo qdev_prop_pci_host_devaddr = {
1040 .name = "str",
1041 .description = "Address (bus/device/function) of "
1042 "the host device, example: 04:10.0",
1043 .get = get_pci_host_devaddr,
1044 .set = set_pci_host_devaddr,
1045 };
1046
1047 /* --- UUID --- */
1048
1049 static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque,
1050 Error **errp)
1051 {
1052 DeviceState *dev = DEVICE(obj);
1053 Property *prop = opaque;
1054 QemuUUID *uuid = qdev_get_prop_ptr(dev, prop);
1055 char buffer[UUID_FMT_LEN + 1];
1056 char *p = buffer;
1057
1058 qemu_uuid_unparse(uuid, buffer);
1059
1060 visit_type_str(v, name, &p, errp);
1061 }
1062
1063 #define UUID_VALUE_AUTO "auto"
1064
1065 static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque,
1066 Error **errp)
1067 {
1068 DeviceState *dev = DEVICE(obj);
1069 Property *prop = opaque;
1070 QemuUUID *uuid = qdev_get_prop_ptr(dev, prop);
1071 Error *local_err = NULL;
1072 char *str;
1073
1074 if (dev->realized) {
1075 qdev_prop_set_after_realize(dev, name, errp);
1076 return;
1077 }
1078
1079 visit_type_str(v, name, &str, &local_err);
1080 if (local_err) {
1081 error_propagate(errp, local_err);
1082 return;
1083 }
1084
1085 if (!strcmp(str, UUID_VALUE_AUTO)) {
1086 qemu_uuid_generate(uuid);
1087 } else if (qemu_uuid_parse(str, uuid) < 0) {
1088 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
1089 }
1090 g_free(str);
1091 }
1092
1093 static void set_default_uuid_auto(ObjectProperty *op, const Property *prop)
1094 {
1095 object_property_set_default_str(op, UUID_VALUE_AUTO);
1096 }
1097
1098 const PropertyInfo qdev_prop_uuid = {
1099 .name = "str",
1100 .description = "UUID (aka GUID) or \"" UUID_VALUE_AUTO
1101 "\" for random value (default)",
1102 .get = get_uuid,
1103 .set = set_uuid,
1104 .set_default_value = set_default_uuid_auto,
1105 };
1106
1107 /* --- support for array properties --- */
1108
1109 /* Used as an opaque for the object properties we add for each
1110 * array element. Note that the struct Property must be first
1111 * in the struct so that a pointer to this works as the opaque
1112 * for the underlying element's property hooks as well as for
1113 * our own release callback.
1114 */
1115 typedef struct {
1116 struct Property prop;
1117 char *propname;
1118 ObjectPropertyRelease *release;
1119 } ArrayElementProperty;
1120
1121 /* object property release callback for array element properties:
1122 * we call the underlying element's property release hook, and
1123 * then free the memory we allocated when we added the property.
1124 */
1125 static void array_element_release(Object *obj, const char *name, void *opaque)
1126 {
1127 ArrayElementProperty *p = opaque;
1128 if (p->release) {
1129 p->release(obj, name, opaque);
1130 }
1131 g_free(p->propname);
1132 g_free(p);
1133 }
1134
1135 static void set_prop_arraylen(Object *obj, Visitor *v, const char *name,
1136 void *opaque, Error **errp)
1137 {
1138 /* Setter for the property which defines the length of a
1139 * variable-sized property array. As well as actually setting the
1140 * array-length field in the device struct, we have to create the
1141 * array itself and dynamically add the corresponding properties.
1142 */
1143 DeviceState *dev = DEVICE(obj);
1144 Property *prop = opaque;
1145 uint32_t *alenptr = qdev_get_prop_ptr(dev, prop);
1146 void **arrayptr = (void *)dev + prop->arrayoffset;
1147 Error *local_err = NULL;
1148 void *eltptr;
1149 const char *arrayname;
1150 int i;
1151
1152 if (dev->realized) {
1153 qdev_prop_set_after_realize(dev, name, errp);
1154 return;
1155 }
1156 if (*alenptr) {
1157 error_setg(errp, "array size property %s may not be set more than once",
1158 name);
1159 return;
1160 }
1161 visit_type_uint32(v, name, alenptr, &local_err);
1162 if (local_err) {
1163 error_propagate(errp, local_err);
1164 return;
1165 }
1166 if (!*alenptr) {
1167 return;
1168 }
1169
1170 /* DEFINE_PROP_ARRAY guarantees that name should start with this prefix;
1171 * strip it off so we can get the name of the array itself.
1172 */
1173 assert(strncmp(name, PROP_ARRAY_LEN_PREFIX,
1174 strlen(PROP_ARRAY_LEN_PREFIX)) == 0);
1175 arrayname = name + strlen(PROP_ARRAY_LEN_PREFIX);
1176
1177 /* Note that it is the responsibility of the individual device's deinit
1178 * to free the array proper.
1179 */
1180 *arrayptr = eltptr = g_malloc0(*alenptr * prop->arrayfieldsize);
1181 for (i = 0; i < *alenptr; i++, eltptr += prop->arrayfieldsize) {
1182 char *propname = g_strdup_printf("%s[%d]", arrayname, i);
1183 ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1);
1184 arrayprop->release = prop->arrayinfo->release;
1185 arrayprop->propname = propname;
1186 arrayprop->prop.info = prop->arrayinfo;
1187 arrayprop->prop.name = propname;
1188 /* This ugly piece of pointer arithmetic sets up the offset so
1189 * that when the underlying get/set hooks call qdev_get_prop_ptr
1190 * they get the right answer despite the array element not actually
1191 * being inside the device struct.
1192 */
1193 arrayprop->prop.offset = eltptr - (void *)dev;
1194 assert(qdev_get_prop_ptr(dev, &arrayprop->prop) == eltptr);
1195 object_property_add(obj, propname,
1196 arrayprop->prop.info->name,
1197 arrayprop->prop.info->get,
1198 arrayprop->prop.info->set,
1199 array_element_release,
1200 arrayprop);
1201 }
1202 }
1203
1204 const PropertyInfo qdev_prop_arraylen = {
1205 .name = "uint32",
1206 .get = get_uint32,
1207 .set = set_prop_arraylen,
1208 .set_default_value = set_default_value_uint,
1209 };
1210
1211 /* --- public helpers --- */
1212
1213 static Property *qdev_prop_walk(Property *props, const char *name)
1214 {
1215 if (!props) {
1216 return NULL;
1217 }
1218 while (props->name) {
1219 if (strcmp(props->name, name) == 0) {
1220 return props;
1221 }
1222 props++;
1223 }
1224 return NULL;
1225 }
1226
1227 static Property *qdev_prop_find(DeviceState *dev, const char *name)
1228 {
1229 ObjectClass *class;
1230 Property *prop;
1231
1232 /* device properties */
1233 class = object_get_class(OBJECT(dev));
1234 do {
1235 prop = qdev_prop_walk(DEVICE_CLASS(class)->props_, name);
1236 if (prop) {
1237 return prop;
1238 }
1239 class = object_class_get_parent(class);
1240 } while (class != object_class_by_name(TYPE_DEVICE));
1241
1242 return NULL;
1243 }
1244
1245 void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
1246 Property *prop, const char *value)
1247 {
1248 switch (ret) {
1249 case -EEXIST:
1250 error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
1251 object_get_typename(OBJECT(dev)), prop->name, value);
1252 break;
1253 default:
1254 case -EINVAL:
1255 error_setg(errp, QERR_PROPERTY_VALUE_BAD,
1256 object_get_typename(OBJECT(dev)), prop->name, value);
1257 break;
1258 case -ENOENT:
1259 error_setg(errp, "Property '%s.%s' can't find value '%s'",
1260 object_get_typename(OBJECT(dev)), prop->name, value);
1261 break;
1262 case 0:
1263 break;
1264 }
1265 }
1266
1267 void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value)
1268 {
1269 object_property_set_bool(OBJECT(dev), value, name, &error_abort);
1270 }
1271
1272 void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
1273 {
1274 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1275 }
1276
1277 void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
1278 {
1279 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1280 }
1281
1282 void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
1283 {
1284 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1285 }
1286
1287 void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
1288 {
1289 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1290 }
1291
1292 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
1293 {
1294 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1295 }
1296
1297 void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value)
1298 {
1299 object_property_set_str(OBJECT(dev), value, name, &error_abort);
1300 }
1301
1302 void qdev_prop_set_macaddr(DeviceState *dev, const char *name,
1303 const uint8_t *value)
1304 {
1305 char str[2 * 6 + 5 + 1];
1306 snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x",
1307 value[0], value[1], value[2], value[3], value[4], value[5]);
1308
1309 object_property_set_str(OBJECT(dev), str, name, &error_abort);
1310 }
1311
1312 void qdev_prop_set_enum(DeviceState *dev, const char *name, int value)
1313 {
1314 Property *prop;
1315
1316 prop = qdev_prop_find(dev, name);
1317 object_property_set_str(OBJECT(dev),
1318 qapi_enum_lookup(prop->info->enum_table, value),
1319 name, &error_abort);
1320 }
1321
1322 static GPtrArray *global_props(void)
1323 {
1324 static GPtrArray *gp;
1325
1326 if (!gp) {
1327 gp = g_ptr_array_new();
1328 }
1329
1330 return gp;
1331 }
1332
1333 void qdev_prop_register_global(GlobalProperty *prop)
1334 {
1335 g_ptr_array_add(global_props(), prop);
1336 }
1337
1338 const GlobalProperty *qdev_find_global_prop(DeviceState *dev,
1339 const char *name)
1340 {
1341 GPtrArray *props = global_props();
1342 const GlobalProperty *p;
1343 int i;
1344
1345 for (i = 0; i < props->len; i++) {
1346 p = g_ptr_array_index(props, i);
1347 if (object_dynamic_cast(OBJECT(dev), p->driver)
1348 && !strcmp(p->property, name)) {
1349 return p;
1350 }
1351 }
1352 return NULL;
1353 }
1354
1355 int qdev_prop_check_globals(void)
1356 {
1357 int i, ret = 0;
1358
1359 for (i = 0; i < global_props()->len; i++) {
1360 GlobalProperty *prop;
1361 ObjectClass *oc;
1362 DeviceClass *dc;
1363
1364 prop = g_ptr_array_index(global_props(), i);
1365 if (prop->used) {
1366 continue;
1367 }
1368 oc = object_class_by_name(prop->driver);
1369 oc = object_class_dynamic_cast(oc, TYPE_DEVICE);
1370 if (!oc) {
1371 warn_report("global %s.%s has invalid class name",
1372 prop->driver, prop->property);
1373 ret = 1;
1374 continue;
1375 }
1376 dc = DEVICE_CLASS(oc);
1377 if (!dc->hotpluggable && !prop->used) {
1378 warn_report("global %s.%s=%s not used",
1379 prop->driver, prop->property, prop->value);
1380 ret = 1;
1381 continue;
1382 }
1383 }
1384 return ret;
1385 }
1386
1387 void qdev_prop_set_globals(DeviceState *dev)
1388 {
1389 object_apply_global_props(OBJECT(dev), global_props(),
1390 dev->hotplugged ? NULL : &error_fatal);
1391 }
1392
1393 /* --- 64bit unsigned int 'size' type --- */
1394
1395 static void get_size(Object *obj, Visitor *v, const char *name, void *opaque,
1396 Error **errp)
1397 {
1398 DeviceState *dev = DEVICE(obj);
1399 Property *prop = opaque;
1400 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
1401
1402 visit_type_size(v, name, ptr, errp);
1403 }
1404
1405 static void set_size(Object *obj, Visitor *v, const char *name, void *opaque,
1406 Error **errp)
1407 {
1408 DeviceState *dev = DEVICE(obj);
1409 Property *prop = opaque;
1410 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
1411
1412 visit_type_size(v, name, ptr, errp);
1413 }
1414
1415 const PropertyInfo qdev_prop_size = {
1416 .name = "size",
1417 .get = get_size,
1418 .set = set_size,
1419 .set_default_value = set_default_value_uint,
1420 };
1421
1422 /* --- object link property --- */
1423
1424 static void create_link_property(ObjectClass *oc, Property *prop)
1425 {
1426 object_class_property_add_link(oc, prop->name, prop->link_type,
1427 prop->offset,
1428 qdev_prop_allow_set_link_before_realize,
1429 OBJ_PROP_LINK_STRONG);
1430 }
1431
1432 const PropertyInfo qdev_prop_link = {
1433 .name = "link",
1434 .create = create_link_property,
1435 };
1436
1437 /* --- OffAutoPCIBAR off/auto/bar0/bar1/bar2/bar3/bar4/bar5 --- */
1438
1439 const PropertyInfo qdev_prop_off_auto_pcibar = {
1440 .name = "OffAutoPCIBAR",
1441 .description = "off/auto/bar0/bar1/bar2/bar3/bar4/bar5",
1442 .enum_table = &OffAutoPCIBAR_lookup,
1443 .get = get_enum,
1444 .set = set_enum,
1445 .set_default_value = set_default_value_enum,
1446 };
1447
1448 /* --- PCIELinkSpeed 2_5/5/8/16 -- */
1449
1450 static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
1451 void *opaque, Error **errp)
1452 {
1453 DeviceState *dev = DEVICE(obj);
1454 Property *prop = opaque;
1455 PCIExpLinkSpeed *p = qdev_get_prop_ptr(dev, prop);
1456 int speed;
1457
1458 switch (*p) {
1459 case QEMU_PCI_EXP_LNK_2_5GT:
1460 speed = PCIE_LINK_SPEED_2_5;
1461 break;
1462 case QEMU_PCI_EXP_LNK_5GT:
1463 speed = PCIE_LINK_SPEED_5;
1464 break;
1465 case QEMU_PCI_EXP_LNK_8GT:
1466 speed = PCIE_LINK_SPEED_8;
1467 break;
1468 case QEMU_PCI_EXP_LNK_16GT:
1469 speed = PCIE_LINK_SPEED_16;
1470 break;
1471 default:
1472 /* Unreachable */
1473 abort();
1474 }
1475
1476 visit_type_enum(v, prop->name, &speed, prop->info->enum_table, errp);
1477 }
1478
1479 static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
1480 void *opaque, Error **errp)
1481 {
1482 DeviceState *dev = DEVICE(obj);
1483 Property *prop = opaque;
1484 PCIExpLinkSpeed *p = qdev_get_prop_ptr(dev, prop);
1485 int speed;
1486 Error *local_err = NULL;
1487
1488 if (dev->realized) {
1489 qdev_prop_set_after_realize(dev, name, errp);
1490 return;
1491 }
1492
1493 visit_type_enum(v, prop->name, &speed, prop->info->enum_table, &local_err);
1494 if (local_err) {
1495 error_propagate(errp, local_err);
1496 return;
1497 }
1498
1499 switch (speed) {
1500 case PCIE_LINK_SPEED_2_5:
1501 *p = QEMU_PCI_EXP_LNK_2_5GT;
1502 break;
1503 case PCIE_LINK_SPEED_5:
1504 *p = QEMU_PCI_EXP_LNK_5GT;
1505 break;
1506 case PCIE_LINK_SPEED_8:
1507 *p = QEMU_PCI_EXP_LNK_8GT;
1508 break;
1509 case PCIE_LINK_SPEED_16:
1510 *p = QEMU_PCI_EXP_LNK_16GT;
1511 break;
1512 default:
1513 /* Unreachable */
1514 abort();
1515 }
1516 }
1517
1518 const PropertyInfo qdev_prop_pcie_link_speed = {
1519 .name = "PCIELinkSpeed",
1520 .description = "2_5/5/8/16",
1521 .enum_table = &PCIELinkSpeed_lookup,
1522 .get = get_prop_pcielinkspeed,
1523 .set = set_prop_pcielinkspeed,
1524 .set_default_value = set_default_value_enum,
1525 };
1526
1527 /* --- PCIELinkWidth 1/2/4/8/12/16/32 -- */
1528
1529 static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
1530 void *opaque, Error **errp)
1531 {
1532 DeviceState *dev = DEVICE(obj);
1533 Property *prop = opaque;
1534 PCIExpLinkWidth *p = qdev_get_prop_ptr(dev, prop);
1535 int width;
1536
1537 switch (*p) {
1538 case QEMU_PCI_EXP_LNK_X1:
1539 width = PCIE_LINK_WIDTH_1;
1540 break;
1541 case QEMU_PCI_EXP_LNK_X2:
1542 width = PCIE_LINK_WIDTH_2;
1543 break;
1544 case QEMU_PCI_EXP_LNK_X4:
1545 width = PCIE_LINK_WIDTH_4;
1546 break;
1547 case QEMU_PCI_EXP_LNK_X8:
1548 width = PCIE_LINK_WIDTH_8;
1549 break;
1550 case QEMU_PCI_EXP_LNK_X12:
1551 width = PCIE_LINK_WIDTH_12;
1552 break;
1553 case QEMU_PCI_EXP_LNK_X16:
1554 width = PCIE_LINK_WIDTH_16;
1555 break;
1556 case QEMU_PCI_EXP_LNK_X32:
1557 width = PCIE_LINK_WIDTH_32;
1558 break;
1559 default:
1560 /* Unreachable */
1561 abort();
1562 }
1563
1564 visit_type_enum(v, prop->name, &width, prop->info->enum_table, errp);
1565 }
1566
1567 static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
1568 void *opaque, Error **errp)
1569 {
1570 DeviceState *dev = DEVICE(obj);
1571 Property *prop = opaque;
1572 PCIExpLinkWidth *p = qdev_get_prop_ptr(dev, prop);
1573 int width;
1574 Error *local_err = NULL;
1575
1576 if (dev->realized) {
1577 qdev_prop_set_after_realize(dev, name, errp);
1578 return;
1579 }
1580
1581 visit_type_enum(v, prop->name, &width, prop->info->enum_table, &local_err);
1582 if (local_err) {
1583 error_propagate(errp, local_err);
1584 return;
1585 }
1586
1587 switch (width) {
1588 case PCIE_LINK_WIDTH_1:
1589 *p = QEMU_PCI_EXP_LNK_X1;
1590 break;
1591 case PCIE_LINK_WIDTH_2:
1592 *p = QEMU_PCI_EXP_LNK_X2;
1593 break;
1594 case PCIE_LINK_WIDTH_4:
1595 *p = QEMU_PCI_EXP_LNK_X4;
1596 break;
1597 case PCIE_LINK_WIDTH_8:
1598 *p = QEMU_PCI_EXP_LNK_X8;
1599 break;
1600 case PCIE_LINK_WIDTH_12:
1601 *p = QEMU_PCI_EXP_LNK_X12;
1602 break;
1603 case PCIE_LINK_WIDTH_16:
1604 *p = QEMU_PCI_EXP_LNK_X16;
1605 break;
1606 case PCIE_LINK_WIDTH_32:
1607 *p = QEMU_PCI_EXP_LNK_X32;
1608 break;
1609 default:
1610 /* Unreachable */
1611 abort();
1612 }
1613 }
1614
1615 const PropertyInfo qdev_prop_pcie_link_width = {
1616 .name = "PCIELinkWidth",
1617 .description = "1/2/4/8/12/16/32",
1618 .enum_table = &PCIELinkWidth_lookup,
1619 .get = get_prop_pcielinkwidth,
1620 .set = set_prop_pcielinkwidth,
1621 .set_default_value = set_default_value_enum,
1622 };