1#include "qemu/osdep.h"
2#include "net/net.h"
3#include "hw/qdev.h"
4#include "qapi/error.h"
5#include "hw/pci/pci.h"
6#include "qapi/qmp/qerror.h"
7#include "qemu/error-report.h"
8#include "sysemu/block-backend.h"
9#include "hw/block/block.h"
10#include "net/hub.h"
11#include "qapi/visitor.h"
12#include "chardev/char.h"
13
14void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
15 Error **errp)
16{
17 if (dev->id) {
18 error_setg(errp, "Attempt to set property '%s' on device '%s' "
19 "(type '%s') after it was realized", name, dev->id,
20 object_get_typename(OBJECT(dev)));
21 } else {
22 error_setg(errp, "Attempt to set property '%s' on anonymous device "
23 "(type '%s') after it was realized", name,
24 object_get_typename(OBJECT(dev)));
25 }
26}
27
28void qdev_prop_allow_set_link_before_realize(const Object *obj,
29 const char *name,
30 Object *val, Error **errp)
31{
32 DeviceState *dev = DEVICE(obj);
33
34 if (dev->realized) {
35 error_setg(errp, "Attempt to set link property '%s' on device '%s' "
36 "(type '%s') after it was realized",
37 name, dev->id, object_get_typename(obj));
38 }
39}
40
41
42void qdev_prop_allow_set_link(const Object *obj, const char *name,
43 Object *val, Error **errp)
44{
45}
46
47void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
48{
49 void *ptr = dev;
50 ptr += prop->offset;
51 return ptr;
52}
53
54static 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
64static 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
79static void set_default_value_enum(Object *obj, const Property *prop)
80{
81 object_property_set_str(obj,
82 qapi_enum_lookup(prop->info->enum_table,
83 prop->defval.i),
84 prop->name, &error_abort);
85}
86
87
88
89static uint32_t qdev_get_prop_mask(Property *prop)
90{
91 assert(prop->info == &qdev_prop_bit);
92 return 0x1 << prop->bitnr;
93}
94
95static void bit_prop_set(DeviceState *dev, Property *props, bool val)
96{
97 uint32_t *p = qdev_get_prop_ptr(dev, props);
98 uint32_t mask = qdev_get_prop_mask(props);
99 if (val) {
100 *p |= mask;
101 } else {
102 *p &= ~mask;
103 }
104}
105
106static void prop_get_bit(Object *obj, Visitor *v, const char *name,
107 void *opaque, Error **errp)
108{
109 DeviceState *dev = DEVICE(obj);
110 Property *prop = opaque;
111 uint32_t *p = qdev_get_prop_ptr(dev, prop);
112 bool value = (*p & qdev_get_prop_mask(prop)) != 0;
113
114 visit_type_bool(v, name, &value, errp);
115}
116
117static void prop_set_bit(Object *obj, Visitor *v, const char *name,
118 void *opaque, Error **errp)
119{
120 DeviceState *dev = DEVICE(obj);
121 Property *prop = opaque;
122 Error *local_err = NULL;
123 bool value;
124
125 if (dev->realized) {
126 qdev_prop_set_after_realize(dev, name, errp);
127 return;
128 }
129
130 visit_type_bool(v, name, &value, &local_err);
131 if (local_err) {
132 error_propagate(errp, local_err);
133 return;
134 }
135 bit_prop_set(dev, prop, value);
136}
137
138static void set_default_value_bool(Object *obj, const Property *prop)
139{
140 object_property_set_bool(obj, prop->defval.u, prop->name, &error_abort);
141}
142
143const PropertyInfo qdev_prop_bit = {
144 .name = "bool",
145 .description = "on/off",
146 .get = prop_get_bit,
147 .set = prop_set_bit,
148 .set_default_value = set_default_value_bool,
149};
150
151
152
153static uint64_t qdev_get_prop_mask64(Property *prop)
154{
155 assert(prop->info == &qdev_prop_bit64);
156 return 0x1ull << prop->bitnr;
157}
158
159static void bit64_prop_set(DeviceState *dev, Property *props, bool val)
160{
161 uint64_t *p = qdev_get_prop_ptr(dev, props);
162 uint64_t mask = qdev_get_prop_mask64(props);
163 if (val) {
164 *p |= mask;
165 } else {
166 *p &= ~mask;
167 }
168}
169
170static void prop_get_bit64(Object *obj, Visitor *v, const char *name,
171 void *opaque, Error **errp)
172{
173 DeviceState *dev = DEVICE(obj);
174 Property *prop = opaque;
175 uint64_t *p = qdev_get_prop_ptr(dev, prop);
176 bool value = (*p & qdev_get_prop_mask64(prop)) != 0;
177
178 visit_type_bool(v, name, &value, errp);
179}
180
181static void prop_set_bit64(Object *obj, Visitor *v, const char *name,
182 void *opaque, Error **errp)
183{
184 DeviceState *dev = DEVICE(obj);
185 Property *prop = opaque;
186 Error *local_err = NULL;
187 bool value;
188
189 if (dev->realized) {
190 qdev_prop_set_after_realize(dev, name, errp);
191 return;
192 }
193
194 visit_type_bool(v, name, &value, &local_err);
195 if (local_err) {
196 error_propagate(errp, local_err);
197 return;
198 }
199 bit64_prop_set(dev, prop, value);
200}
201
202const PropertyInfo qdev_prop_bit64 = {
203 .name = "bool",
204 .description = "on/off",
205 .get = prop_get_bit64,
206 .set = prop_set_bit64,
207 .set_default_value = set_default_value_bool,
208};
209
210
211
212static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque,
213 Error **errp)
214{
215 DeviceState *dev = DEVICE(obj);
216 Property *prop = opaque;
217 bool *ptr = qdev_get_prop_ptr(dev, prop);
218
219 visit_type_bool(v, name, ptr, errp);
220}
221
222static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque,
223 Error **errp)
224{
225 DeviceState *dev = DEVICE(obj);
226 Property *prop = opaque;
227 bool *ptr = qdev_get_prop_ptr(dev, prop);
228
229 if (dev->realized) {
230 qdev_prop_set_after_realize(dev, name, errp);
231 return;
232 }
233
234 visit_type_bool(v, name, ptr, errp);
235}
236
237const PropertyInfo qdev_prop_bool = {
238 .name = "bool",
239 .get = get_bool,
240 .set = set_bool,
241 .set_default_value = set_default_value_bool,
242};
243
244
245
246static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
247 Error **errp)
248{
249 DeviceState *dev = DEVICE(obj);
250 Property *prop = opaque;
251 uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
252
253 visit_type_uint8(v, name, ptr, errp);
254}
255
256static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
257 Error **errp)
258{
259 DeviceState *dev = DEVICE(obj);
260 Property *prop = opaque;
261 uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
262
263 if (dev->realized) {
264 qdev_prop_set_after_realize(dev, name, errp);
265 return;
266 }
267
268 visit_type_uint8(v, name, ptr, errp);
269}
270
271static void set_default_value_int(Object *obj, const Property *prop)
272{
273 object_property_set_int(obj, prop->defval.i, prop->name, &error_abort);
274}
275
276static void set_default_value_uint(Object *obj, const Property *prop)
277{
278 object_property_set_uint(obj, prop->defval.u, prop->name, &error_abort);
279}
280
281const PropertyInfo qdev_prop_uint8 = {
282 .name = "uint8",
283 .get = get_uint8,
284 .set = set_uint8,
285 .set_default_value = set_default_value_uint,
286};
287
288
289
290static void get_uint16(Object *obj, Visitor *v, const char *name,
291 void *opaque, Error **errp)
292{
293 DeviceState *dev = DEVICE(obj);
294 Property *prop = opaque;
295 uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
296
297 visit_type_uint16(v, name, ptr, errp);
298}
299
300static void set_uint16(Object *obj, Visitor *v, const char *name,
301 void *opaque, Error **errp)
302{
303 DeviceState *dev = DEVICE(obj);
304 Property *prop = opaque;
305 uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
306
307 if (dev->realized) {
308 qdev_prop_set_after_realize(dev, name, errp);
309 return;
310 }
311
312 visit_type_uint16(v, name, ptr, errp);
313}
314
315const PropertyInfo qdev_prop_uint16 = {
316 .name = "uint16",
317 .get = get_uint16,
318 .set = set_uint16,
319 .set_default_value = set_default_value_uint,
320};
321
322
323
324static void get_uint32(Object *obj, Visitor *v, const char *name,
325 void *opaque, Error **errp)
326{
327 DeviceState *dev = DEVICE(obj);
328 Property *prop = opaque;
329 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
330
331 visit_type_uint32(v, name, ptr, errp);
332}
333
334static void set_uint32(Object *obj, Visitor *v, const char *name,
335 void *opaque, Error **errp)
336{
337 DeviceState *dev = DEVICE(obj);
338 Property *prop = opaque;
339 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
340
341 if (dev->realized) {
342 qdev_prop_set_after_realize(dev, name, errp);
343 return;
344 }
345
346 visit_type_uint32(v, name, ptr, errp);
347}
348
349static void get_int32(Object *obj, Visitor *v, const char *name, void *opaque,
350 Error **errp)
351{
352 DeviceState *dev = DEVICE(obj);
353 Property *prop = opaque;
354 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
355
356 visit_type_int32(v, name, ptr, errp);
357}
358
359static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque,
360 Error **errp)
361{
362 DeviceState *dev = DEVICE(obj);
363 Property *prop = opaque;
364 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
365
366 if (dev->realized) {
367 qdev_prop_set_after_realize(dev, name, errp);
368 return;
369 }
370
371 visit_type_int32(v, name, ptr, errp);
372}
373
374const PropertyInfo qdev_prop_uint32 = {
375 .name = "uint32",
376 .get = get_uint32,
377 .set = set_uint32,
378 .set_default_value = set_default_value_uint,
379};
380
381const PropertyInfo qdev_prop_int32 = {
382 .name = "int32",
383 .get = get_int32,
384 .set = set_int32,
385 .set_default_value = set_default_value_int,
386};
387
388
389
390static void get_uint64(Object *obj, Visitor *v, const char *name,
391 void *opaque, Error **errp)
392{
393 DeviceState *dev = DEVICE(obj);
394 Property *prop = opaque;
395 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
396
397 visit_type_uint64(v, name, ptr, errp);
398}
399
400static void set_uint64(Object *obj, Visitor *v, const char *name,
401 void *opaque, Error **errp)
402{
403 DeviceState *dev = DEVICE(obj);
404 Property *prop = opaque;
405 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
406
407 if (dev->realized) {
408 qdev_prop_set_after_realize(dev, name, errp);
409 return;
410 }
411
412 visit_type_uint64(v, name, ptr, errp);
413}
414
415static void get_int64(Object *obj, Visitor *v, const char *name,
416 void *opaque, Error **errp)
417{
418 DeviceState *dev = DEVICE(obj);
419 Property *prop = opaque;
420 int64_t *ptr = qdev_get_prop_ptr(dev, prop);
421
422 visit_type_int64(v, name, ptr, errp);
423}
424
425static void set_int64(Object *obj, Visitor *v, const char *name,
426 void *opaque, Error **errp)
427{
428 DeviceState *dev = DEVICE(obj);
429 Property *prop = opaque;
430 int64_t *ptr = qdev_get_prop_ptr(dev, prop);
431
432 if (dev->realized) {
433 qdev_prop_set_after_realize(dev, name, errp);
434 return;
435 }
436
437 visit_type_int64(v, name, ptr, errp);
438}
439
440const PropertyInfo qdev_prop_uint64 = {
441 .name = "uint64",
442 .get = get_uint64,
443 .set = set_uint64,
444 .set_default_value = set_default_value_uint,
445};
446
447const PropertyInfo qdev_prop_int64 = {
448 .name = "int64",
449 .get = get_int64,
450 .set = set_int64,
451 .set_default_value = set_default_value_int,
452};
453
454
455
456static void release_string(Object *obj, const char *name, void *opaque)
457{
458 Property *prop = opaque;
459 g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
460}
461
462static void get_string(Object *obj, Visitor *v, const char *name,
463 void *opaque, Error **errp)
464{
465 DeviceState *dev = DEVICE(obj);
466 Property *prop = opaque;
467 char **ptr = qdev_get_prop_ptr(dev, prop);
468
469 if (!*ptr) {
470 char *str = (char *)"";
471 visit_type_str(v, name, &str, errp);
472 } else {
473 visit_type_str(v, name, ptr, errp);
474 }
475}
476
477static void set_string(Object *obj, Visitor *v, const char *name,
478 void *opaque, Error **errp)
479{
480 DeviceState *dev = DEVICE(obj);
481 Property *prop = opaque;
482 char **ptr = qdev_get_prop_ptr(dev, prop);
483 Error *local_err = NULL;
484 char *str;
485
486 if (dev->realized) {
487 qdev_prop_set_after_realize(dev, name, errp);
488 return;
489 }
490
491 visit_type_str(v, name, &str, &local_err);
492 if (local_err) {
493 error_propagate(errp, local_err);
494 return;
495 }
496 g_free(*ptr);
497 *ptr = str;
498}
499
500const PropertyInfo qdev_prop_string = {
501 .name = "str",
502 .release = release_string,
503 .get = get_string,
504 .set = set_string,
505};
506
507
508
509
510const PropertyInfo qdev_prop_ptr = {
511 .name = "ptr",
512};
513
514
515
516
517
518
519
520
521static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque,
522 Error **errp)
523{
524 DeviceState *dev = DEVICE(obj);
525 Property *prop = opaque;
526 MACAddr *mac = qdev_get_prop_ptr(dev, prop);
527 char buffer[2 * 6 + 5 + 1];
528 char *p = buffer;
529
530 snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x",
531 mac->a[0], mac->a[1], mac->a[2],
532 mac->a[3], mac->a[4], mac->a[5]);
533
534 visit_type_str(v, name, &p, errp);
535}
536
537static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque,
538 Error **errp)
539{
540 DeviceState *dev = DEVICE(obj);
541 Property *prop = opaque;
542 MACAddr *mac = qdev_get_prop_ptr(dev, prop);
543 Error *local_err = NULL;
544 int i, pos;
545 char *str, *p;
546
547 if (dev->realized) {
548 qdev_prop_set_after_realize(dev, name, errp);
549 return;
550 }
551
552 visit_type_str(v, name, &str, &local_err);
553 if (local_err) {
554 error_propagate(errp, local_err);
555 return;
556 }
557
558 for (i = 0, pos = 0; i < 6; i++, pos += 3) {
559 if (!qemu_isxdigit(str[pos])) {
560 goto inval;
561 }
562 if (!qemu_isxdigit(str[pos+1])) {
563 goto inval;
564 }
565 if (i == 5) {
566 if (str[pos+2] != '\0') {
567 goto inval;
568 }
569 } else {
570 if (str[pos+2] != ':' && str[pos+2] != '-') {
571 goto inval;
572 }
573 }
574 mac->a[i] = strtol(str+pos, &p, 16);
575 }
576 g_free(str);
577 return;
578
579inval:
580 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
581 g_free(str);
582}
583
584const PropertyInfo qdev_prop_macaddr = {
585 .name = "str",
586 .description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56",
587 .get = get_mac,
588 .set = set_mac,
589};
590
591
592
593const PropertyInfo qdev_prop_on_off_auto = {
594 .name = "OnOffAuto",
595 .description = "on/off/auto",
596 .enum_table = &OnOffAuto_lookup,
597 .get = get_enum,
598 .set = set_enum,
599 .set_default_value = set_default_value_enum,
600};
601
602
603
604QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int));
605
606const PropertyInfo qdev_prop_losttickpolicy = {
607 .name = "LostTickPolicy",
608 .enum_table = &LostTickPolicy_lookup,
609 .get = get_enum,
610 .set = set_enum,
611 .set_default_value = set_default_value_enum,
612};
613
614
615
616QEMU_BUILD_BUG_ON(sizeof(BlockdevOnError) != sizeof(int));
617
618const PropertyInfo qdev_prop_blockdev_on_error = {
619 .name = "BlockdevOnError",
620 .description = "Error handling policy, "
621 "report/ignore/enospc/stop/auto",
622 .enum_table = &BlockdevOnError_lookup,
623 .get = get_enum,
624 .set = set_enum,
625 .set_default_value = set_default_value_enum,
626};
627
628
629
630QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
631
632const PropertyInfo qdev_prop_bios_chs_trans = {
633 .name = "BiosAtaTranslation",
634 .description = "Logical CHS translation algorithm, "
635 "auto/none/lba/large/rechs",
636 .enum_table = &BiosAtaTranslation_lookup,
637 .get = get_enum,
638 .set = set_enum,
639 .set_default_value = set_default_value_enum,
640};
641
642
643
644const PropertyInfo qdev_prop_fdc_drive_type = {
645 .name = "FdcDriveType",
646 .description = "FDC drive type, "
647 "144/288/120/none/auto",
648 .enum_table = &FloppyDriveType_lookup,
649 .get = get_enum,
650 .set = set_enum,
651 .set_default_value = set_default_value_enum,
652};
653
654
655
656
657
658
659static void set_pci_devfn(Object *obj, Visitor *v, const char *name,
660 void *opaque, Error **errp)
661{
662 DeviceState *dev = DEVICE(obj);
663 Property *prop = opaque;
664 int32_t value, *ptr = qdev_get_prop_ptr(dev, prop);
665 unsigned int slot, fn, n;
666 Error *local_err = NULL;
667 char *str;
668
669 if (dev->realized) {
670 qdev_prop_set_after_realize(dev, name, errp);
671 return;
672 }
673
674 visit_type_str(v, name, &str, &local_err);
675 if (local_err) {
676 error_free(local_err);
677 local_err = NULL;
678 visit_type_int32(v, name, &value, &local_err);
679 if (local_err) {
680 error_propagate(errp, local_err);
681 } else if (value < -1 || value > 255) {
682 error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
683 name ? name : "null", "pci_devfn");
684 } else {
685 *ptr = value;
686 }
687 return;
688 }
689
690 if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
691 fn = 0;
692 if (sscanf(str, "%x%n", &slot, &n) != 1) {
693 goto invalid;
694 }
695 }
696 if (str[n] != '\0' || fn > 7 || slot > 31) {
697 goto invalid;
698 }
699 *ptr = slot << 3 | fn;
700 g_free(str);
701 return;
702
703invalid:
704 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
705 g_free(str);
706}
707
708static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest,
709 size_t len)
710{
711 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
712
713 if (*ptr == -1) {
714 return snprintf(dest, len, "<unset>");
715 } else {
716 return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
717 }
718}
719
720const PropertyInfo qdev_prop_pci_devfn = {
721 .name = "int32",
722 .description = "Slot and optional function number, example: 06.0 or 06",
723 .print = print_pci_devfn,
724 .get = get_int32,
725 .set = set_pci_devfn,
726 .set_default_value = set_default_value_int,
727};
728
729
730
731static void set_blocksize(Object *obj, Visitor *v, const char *name,
732 void *opaque, Error **errp)
733{
734 DeviceState *dev = DEVICE(obj);
735 Property *prop = opaque;
736 uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop);
737 Error *local_err = NULL;
738 const int64_t min = 512;
739 const int64_t max = 32768;
740
741 if (dev->realized) {
742 qdev_prop_set_after_realize(dev, name, errp);
743 return;
744 }
745
746 visit_type_uint16(v, name, &value, &local_err);
747 if (local_err) {
748 error_propagate(errp, local_err);
749 return;
750 }
751
752 if (value && (value < min || value > max)) {
753 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
754 dev->id ? : "", name, (int64_t)value, min, max);
755 return;
756 }
757
758
759 if ((value & (value - 1)) != 0) {
760 error_setg(errp,
761 "Property %s.%s doesn't take value '%" PRId64 "', it's not a power of 2",
762 dev->id ?: "", name, (int64_t)value);
763 return;
764 }
765
766 *ptr = value;
767}
768
769const PropertyInfo qdev_prop_blocksize = {
770 .name = "uint16",
771 .description = "A power of two between 512 and 32768",
772 .get = get_uint16,
773 .set = set_blocksize,
774 .set_default_value = set_default_value_uint,
775};
776
777
778
779static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
780 void *opaque, Error **errp)
781{
782 DeviceState *dev = DEVICE(obj);
783 Property *prop = opaque;
784 PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
785 char buffer[] = "ffff:ff:ff.f";
786 char *p = buffer;
787 int rc = 0;
788
789
790
791
792
793 if (~addr->domain || ~addr->bus || ~addr->slot || ~addr->function) {
794 rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%0d",
795 addr->domain, addr->bus, addr->slot, addr->function);
796 assert(rc == sizeof(buffer) - 1);
797 }
798
799 visit_type_str(v, name, &p, errp);
800}
801
802
803
804
805
806static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
807 void *opaque, Error **errp)
808{
809 DeviceState *dev = DEVICE(obj);
810 Property *prop = opaque;
811 PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
812 Error *local_err = NULL;
813 char *str, *p;
814 char *e;
815 unsigned long val;
816 unsigned long dom = 0, bus = 0;
817 unsigned int slot = 0, func = 0;
818
819 if (dev->realized) {
820 qdev_prop_set_after_realize(dev, name, errp);
821 return;
822 }
823
824 visit_type_str(v, name, &str, &local_err);
825 if (local_err) {
826 error_propagate(errp, local_err);
827 return;
828 }
829
830 p = str;
831 val = strtoul(p, &e, 16);
832 if (e == p || *e != ':') {
833 goto inval;
834 }
835 bus = val;
836
837 p = e + 1;
838 val = strtoul(p, &e, 16);
839 if (e == p) {
840 goto inval;
841 }
842 if (*e == ':') {
843 dom = bus;
844 bus = val;
845 p = e + 1;
846 val = strtoul(p, &e, 16);
847 if (e == p) {
848 goto inval;
849 }
850 }
851 slot = val;
852
853 if (*e != '.') {
854 goto inval;
855 }
856 p = e + 1;
857 val = strtoul(p, &e, 10);
858 if (e == p) {
859 goto inval;
860 }
861 func = val;
862
863 if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) {
864 goto inval;
865 }
866
867 if (*e) {
868 goto inval;
869 }
870
871 addr->domain = dom;
872 addr->bus = bus;
873 addr->slot = slot;
874 addr->function = func;
875
876 g_free(str);
877 return;
878
879inval:
880 error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
881 g_free(str);
882}
883
884const PropertyInfo qdev_prop_pci_host_devaddr = {
885 .name = "str",
886 .description = "Address (bus/device/function) of "
887 "the host device, example: 04:10.0",
888 .get = get_pci_host_devaddr,
889 .set = set_pci_host_devaddr,
890};
891
892
893
894
895
896
897
898
899
900typedef struct {
901 struct Property prop;
902 char *propname;
903 ObjectPropertyRelease *release;
904} ArrayElementProperty;
905
906
907
908
909
910static void array_element_release(Object *obj, const char *name, void *opaque)
911{
912 ArrayElementProperty *p = opaque;
913 if (p->release) {
914 p->release(obj, name, opaque);
915 }
916 g_free(p->propname);
917 g_free(p);
918}
919
920static void set_prop_arraylen(Object *obj, Visitor *v, const char *name,
921 void *opaque, Error **errp)
922{
923
924
925
926
927
928 DeviceState *dev = DEVICE(obj);
929 Property *prop = opaque;
930 uint32_t *alenptr = qdev_get_prop_ptr(dev, prop);
931 void **arrayptr = (void *)dev + prop->arrayoffset;
932 Error *local_err = NULL;
933 void *eltptr;
934 const char *arrayname;
935 int i;
936
937 if (dev->realized) {
938 qdev_prop_set_after_realize(dev, name, errp);
939 return;
940 }
941 if (*alenptr) {
942 error_setg(errp, "array size property %s may not be set more than once",
943 name);
944 return;
945 }
946 visit_type_uint32(v, name, alenptr, &local_err);
947 if (local_err) {
948 error_propagate(errp, local_err);
949 return;
950 }
951 if (!*alenptr) {
952 return;
953 }
954
955
956
957
958 assert(strncmp(name, PROP_ARRAY_LEN_PREFIX,
959 strlen(PROP_ARRAY_LEN_PREFIX)) == 0);
960 arrayname = name + strlen(PROP_ARRAY_LEN_PREFIX);
961
962
963
964
965 *arrayptr = eltptr = g_malloc0(*alenptr * prop->arrayfieldsize);
966 for (i = 0; i < *alenptr; i++, eltptr += prop->arrayfieldsize) {
967 char *propname = g_strdup_printf("%s[%d]", arrayname, i);
968 ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1);
969 arrayprop->release = prop->arrayinfo->release;
970 arrayprop->propname = propname;
971 arrayprop->prop.info = prop->arrayinfo;
972 arrayprop->prop.name = propname;
973
974
975
976
977
978 arrayprop->prop.offset = eltptr - (void *)dev;
979 assert(qdev_get_prop_ptr(dev, &arrayprop->prop) == eltptr);
980 object_property_add(obj, propname,
981 arrayprop->prop.info->name,
982 arrayprop->prop.info->get,
983 arrayprop->prop.info->set,
984 array_element_release,
985 arrayprop, &local_err);
986 if (local_err) {
987 error_propagate(errp, local_err);
988 return;
989 }
990 }
991}
992
993const PropertyInfo qdev_prop_arraylen = {
994 .name = "uint32",
995 .get = get_uint32,
996 .set = set_prop_arraylen,
997 .set_default_value = set_default_value_uint,
998};
999
1000
1001
1002static Property *qdev_prop_walk(Property *props, const char *name)
1003{
1004 if (!props) {
1005 return NULL;
1006 }
1007 while (props->name) {
1008 if (strcmp(props->name, name) == 0) {
1009 return props;
1010 }
1011 props++;
1012 }
1013 return NULL;
1014}
1015
1016static Property *qdev_prop_find(DeviceState *dev, const char *name)
1017{
1018 ObjectClass *class;
1019 Property *prop;
1020
1021
1022 class = object_get_class(OBJECT(dev));
1023 do {
1024 prop = qdev_prop_walk(DEVICE_CLASS(class)->props, name);
1025 if (prop) {
1026 return prop;
1027 }
1028 class = object_class_get_parent(class);
1029 } while (class != object_class_by_name(TYPE_DEVICE));
1030
1031 return NULL;
1032}
1033
1034void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
1035 Property *prop, const char *value)
1036{
1037 switch (ret) {
1038 case -EEXIST:
1039 error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
1040 object_get_typename(OBJECT(dev)), prop->name, value);
1041 break;
1042 default:
1043 case -EINVAL:
1044 error_setg(errp, QERR_PROPERTY_VALUE_BAD,
1045 object_get_typename(OBJECT(dev)), prop->name, value);
1046 break;
1047 case -ENOENT:
1048 error_setg(errp, "Property '%s.%s' can't find value '%s'",
1049 object_get_typename(OBJECT(dev)), prop->name, value);
1050 break;
1051 case 0:
1052 break;
1053 }
1054}
1055
1056void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value)
1057{
1058 object_property_set_bool(OBJECT(dev), value, name, &error_abort);
1059}
1060
1061void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
1062{
1063 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1064}
1065
1066void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
1067{
1068 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1069}
1070
1071void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
1072{
1073 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1074}
1075
1076void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
1077{
1078 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1079}
1080
1081void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
1082{
1083 object_property_set_int(OBJECT(dev), value, name, &error_abort);
1084}
1085
1086void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value)
1087{
1088 object_property_set_str(OBJECT(dev), value, name, &error_abort);
1089}
1090
1091void qdev_prop_set_macaddr(DeviceState *dev, const char *name,
1092 const uint8_t *value)
1093{
1094 char str[2 * 6 + 5 + 1];
1095 snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x",
1096 value[0], value[1], value[2], value[3], value[4], value[5]);
1097
1098 object_property_set_str(OBJECT(dev), str, name, &error_abort);
1099}
1100
1101void qdev_prop_set_enum(DeviceState *dev, const char *name, int value)
1102{
1103 Property *prop;
1104
1105 prop = qdev_prop_find(dev, name);
1106 object_property_set_str(OBJECT(dev),
1107 qapi_enum_lookup(prop->info->enum_table, value),
1108 name, &error_abort);
1109}
1110
1111void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
1112{
1113 Property *prop;
1114 void **ptr;
1115
1116 prop = qdev_prop_find(dev, name);
1117 assert(prop && prop->info == &qdev_prop_ptr);
1118 ptr = qdev_get_prop_ptr(dev, prop);
1119 *ptr = value;
1120}
1121
1122static GList *global_props;
1123
1124void qdev_prop_register_global(GlobalProperty *prop)
1125{
1126 global_props = g_list_append(global_props, prop);
1127}
1128
1129void register_compat_prop(const char *driver,
1130 const char *property,
1131 const char *value)
1132{
1133 GlobalProperty *p = g_new0(GlobalProperty, 1);
1134
1135
1136 p->errp = &error_abort;
1137 p->driver = driver;
1138 p->property = property;
1139 p->value = value;
1140 qdev_prop_register_global(p);
1141}
1142
1143void register_compat_props_array(GlobalProperty *prop)
1144{
1145 for (; prop && prop->driver; prop++) {
1146 register_compat_prop(prop->driver, prop->property, prop->value);
1147 }
1148}
1149
1150void qdev_prop_register_global_list(GlobalProperty *props)
1151{
1152 int i;
1153
1154 for (i = 0; props[i].driver != NULL; i++) {
1155 qdev_prop_register_global(props+i);
1156 }
1157}
1158
1159int qdev_prop_check_globals(void)
1160{
1161 GList *l;
1162 int ret = 0;
1163
1164 for (l = global_props; l; l = l->next) {
1165 GlobalProperty *prop = l->data;
1166 ObjectClass *oc;
1167 DeviceClass *dc;
1168 if (prop->used) {
1169 continue;
1170 }
1171 if (!prop->user_provided) {
1172 continue;
1173 }
1174 oc = object_class_by_name(prop->driver);
1175 oc = object_class_dynamic_cast(oc, TYPE_DEVICE);
1176 if (!oc) {
1177 warn_report("global %s.%s has invalid class name",
1178 prop->driver, prop->property);
1179 ret = 1;
1180 continue;
1181 }
1182 dc = DEVICE_CLASS(oc);
1183 if (!dc->hotpluggable && !prop->used) {
1184 warn_report("global %s.%s=%s not used",
1185 prop->driver, prop->property, prop->value);
1186 ret = 1;
1187 continue;
1188 }
1189 }
1190 return ret;
1191}
1192
1193void qdev_prop_set_globals(DeviceState *dev)
1194{
1195 GList *l;
1196
1197 for (l = global_props; l; l = l->next) {
1198 GlobalProperty *prop = l->data;
1199 Error *err = NULL;
1200
1201 if (object_dynamic_cast(OBJECT(dev), prop->driver) == NULL) {
1202 continue;
1203 }
1204 prop->used = true;
1205 object_property_parse(OBJECT(dev), prop->value, prop->property, &err);
1206 if (err != NULL) {
1207 error_prepend(&err, "can't apply global %s.%s=%s: ",
1208 prop->driver, prop->property, prop->value);
1209 if (!dev->hotplugged && prop->errp) {
1210 error_propagate(prop->errp, err);
1211 } else {
1212 assert(prop->user_provided);
1213 warn_report_err(err);
1214 }
1215 }
1216 }
1217}
1218
1219
1220
1221static void get_size(Object *obj, Visitor *v, const char *name, void *opaque,
1222 Error **errp)
1223{
1224 DeviceState *dev = DEVICE(obj);
1225 Property *prop = opaque;
1226 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
1227
1228 visit_type_size(v, name, ptr, errp);
1229}
1230
1231static void set_size(Object *obj, Visitor *v, const char *name, void *opaque,
1232 Error **errp)
1233{
1234 DeviceState *dev = DEVICE(obj);
1235 Property *prop = opaque;
1236 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
1237
1238 visit_type_size(v, name, ptr, errp);
1239}
1240
1241const PropertyInfo qdev_prop_size = {
1242 .name = "size",
1243 .get = get_size,
1244 .set = set_size,
1245 .set_default_value = set_default_value_uint,
1246};
1247
1248
1249
1250static void create_link_property(Object *obj, Property *prop, Error **errp)
1251{
1252 Object **child = qdev_get_prop_ptr(DEVICE(obj), prop);
1253
1254 object_property_add_link(obj, prop->name, prop->link_type,
1255 child,
1256 qdev_prop_allow_set_link_before_realize,
1257 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1258 errp);
1259}
1260
1261const PropertyInfo qdev_prop_link = {
1262 .name = "link",
1263 .create = create_link_property,
1264};
1265