hw/net: fix mcf_fec driver receiver
[qemu.git] / qmp.c
1 /*
2 * QEMU Management Protocol
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
12 * Contributions after 2012-01-13 are licensed under the terms of the
13 * GNU GPL, version 2 or (at your option) any later version.
14 */
15
16 #include "qemu-common.h"
17 #include "monitor/monitor.h"
18 #include "sysemu/sysemu.h"
19 #include "qmp-commands.h"
20 #include "sysemu/char.h"
21 #include "ui/qemu-spice.h"
22 #include "ui/vnc.h"
23 #include "sysemu/kvm.h"
24 #include "sysemu/arch_init.h"
25 #include "hw/qdev.h"
26 #include "sysemu/blockdev.h"
27 #include "qom/qom-qobject.h"
28 #include "qapi/qmp/qerror.h"
29 #include "qapi/qmp/qobject.h"
30 #include "qapi/qmp-input-visitor.h"
31 #include "hw/boards.h"
32 #include "qom/object_interfaces.h"
33 #include "hw/mem/pc-dimm.h"
34 #include "hw/acpi/acpi_dev_interface.h"
35
36 NameInfo *qmp_query_name(Error **errp)
37 {
38 NameInfo *info = g_malloc0(sizeof(*info));
39
40 if (qemu_name) {
41 info->has_name = true;
42 info->name = g_strdup(qemu_name);
43 }
44
45 return info;
46 }
47
48 VersionInfo *qmp_query_version(Error **errp)
49 {
50 VersionInfo *info = g_new0(VersionInfo, 1);
51 const char *version = QEMU_VERSION;
52 char *tmp;
53
54 info->qemu = g_new0(VersionTriple, 1);
55 info->qemu->major = strtol(version, &tmp, 10);
56 tmp++;
57 info->qemu->minor = strtol(tmp, &tmp, 10);
58 tmp++;
59 info->qemu->micro = strtol(tmp, &tmp, 10);
60 info->package = g_strdup(QEMU_PKGVERSION);
61
62 return info;
63 }
64
65 KvmInfo *qmp_query_kvm(Error **errp)
66 {
67 KvmInfo *info = g_malloc0(sizeof(*info));
68
69 info->enabled = kvm_enabled();
70 info->present = kvm_available();
71
72 return info;
73 }
74
75 UuidInfo *qmp_query_uuid(Error **errp)
76 {
77 UuidInfo *info = g_malloc0(sizeof(*info));
78 char uuid[64];
79
80 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
81 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
82 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
83 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
84 qemu_uuid[14], qemu_uuid[15]);
85
86 info->UUID = g_strdup(uuid);
87 return info;
88 }
89
90 void qmp_quit(Error **errp)
91 {
92 no_shutdown = 0;
93 qemu_system_shutdown_request();
94 }
95
96 void qmp_stop(Error **errp)
97 {
98 if (runstate_check(RUN_STATE_INMIGRATE)) {
99 autostart = 0;
100 } else {
101 vm_stop(RUN_STATE_PAUSED);
102 }
103 }
104
105 void qmp_system_reset(Error **errp)
106 {
107 qemu_system_reset_request();
108 }
109
110 void qmp_system_powerdown(Error **erp)
111 {
112 qemu_system_powerdown_request();
113 }
114
115 void qmp_cpu(int64_t index, Error **errp)
116 {
117 /* Just do nothing */
118 }
119
120 void qmp_cpu_add(int64_t id, Error **errp)
121 {
122 MachineClass *mc;
123
124 mc = MACHINE_GET_CLASS(current_machine);
125 if (mc->hot_add_cpu) {
126 mc->hot_add_cpu(id, errp);
127 } else {
128 error_setg(errp, "Not supported");
129 }
130 }
131
132 #ifndef CONFIG_VNC
133 /* If VNC support is enabled, the "true" query-vnc command is
134 defined in the VNC subsystem */
135 VncInfo *qmp_query_vnc(Error **errp)
136 {
137 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
138 return NULL;
139 };
140
141 VncInfo2List *qmp_query_vnc_servers(Error **errp)
142 {
143 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
144 return NULL;
145 };
146 #endif
147
148 #ifndef CONFIG_SPICE
149 /*
150 * qmp-commands.hx ensures that QMP command query-spice exists only
151 * #ifdef CONFIG_SPICE. Necessary for an accurate query-commands
152 * result. However, the QAPI schema is blissfully unaware of that,
153 * and the QAPI code generator happily generates a dead
154 * qmp_marshal_input_query_spice() that calls qmp_query_spice().
155 * Provide it one, or else linking fails.
156 * FIXME Educate the QAPI schema on CONFIG_SPICE.
157 */
158 SpiceInfo *qmp_query_spice(Error **errp)
159 {
160 abort();
161 };
162 #endif
163
164 void qmp_cont(Error **errp)
165 {
166 Error *local_err = NULL;
167 BlockDriverState *bs;
168
169 if (runstate_needs_reset()) {
170 error_setg(errp, "Resetting the Virtual Machine is required");
171 return;
172 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
173 return;
174 }
175
176 for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
177 bdrv_iostatus_reset(bs);
178 }
179 for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
180 bdrv_add_key(bs, NULL, &local_err);
181 if (local_err) {
182 error_propagate(errp, local_err);
183 return;
184 }
185 }
186
187 if (runstate_check(RUN_STATE_INMIGRATE)) {
188 autostart = 1;
189 } else {
190 vm_start();
191 }
192 }
193
194 void qmp_system_wakeup(Error **errp)
195 {
196 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
197 }
198
199 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
200 {
201 Object *obj;
202 bool ambiguous = false;
203 ObjectPropertyInfoList *props = NULL;
204 ObjectProperty *prop;
205
206 obj = object_resolve_path(path, &ambiguous);
207 if (obj == NULL) {
208 if (ambiguous) {
209 error_setg(errp, "Path '%s' is ambiguous", path);
210 } else {
211 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
212 "Device '%s' not found", path);
213 }
214 return NULL;
215 }
216
217 QTAILQ_FOREACH(prop, &obj->properties, node) {
218 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
219
220 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
221 entry->next = props;
222 props = entry;
223
224 entry->value->name = g_strdup(prop->name);
225 entry->value->type = g_strdup(prop->type);
226 }
227
228 return props;
229 }
230
231 /* FIXME: teach qapi about how to pass through Visitors */
232 void qmp_qom_set(QDict *qdict, QObject **ret, Error **errp)
233 {
234 const char *path = qdict_get_str(qdict, "path");
235 const char *property = qdict_get_str(qdict, "property");
236 QObject *value = qdict_get(qdict, "value");
237 Object *obj;
238
239 obj = object_resolve_path(path, NULL);
240 if (!obj) {
241 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
242 "Device '%s' not found", path);
243 return;
244 }
245
246 object_property_set_qobject(obj, value, property, errp);
247 }
248
249 void qmp_qom_get(QDict *qdict, QObject **ret, Error **errp)
250 {
251 const char *path = qdict_get_str(qdict, "path");
252 const char *property = qdict_get_str(qdict, "property");
253 Object *obj;
254
255 obj = object_resolve_path(path, NULL);
256 if (!obj) {
257 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
258 "Device '%s' not found", path);
259 return;
260 }
261
262 *ret = object_property_get_qobject(obj, property, errp);
263 }
264
265 void qmp_set_password(const char *protocol, const char *password,
266 bool has_connected, const char *connected, Error **errp)
267 {
268 int disconnect_if_connected = 0;
269 int fail_if_connected = 0;
270 int rc;
271
272 if (has_connected) {
273 if (strcmp(connected, "fail") == 0) {
274 fail_if_connected = 1;
275 } else if (strcmp(connected, "disconnect") == 0) {
276 disconnect_if_connected = 1;
277 } else if (strcmp(connected, "keep") == 0) {
278 /* nothing */
279 } else {
280 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
281 return;
282 }
283 }
284
285 if (strcmp(protocol, "spice") == 0) {
286 if (!qemu_using_spice(errp)) {
287 return;
288 }
289 rc = qemu_spice_set_passwd(password, fail_if_connected,
290 disconnect_if_connected);
291 if (rc != 0) {
292 error_setg(errp, QERR_SET_PASSWD_FAILED);
293 }
294 return;
295 }
296
297 if (strcmp(protocol, "vnc") == 0) {
298 if (fail_if_connected || disconnect_if_connected) {
299 /* vnc supports "connected=keep" only */
300 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
301 return;
302 }
303 /* Note that setting an empty password will not disable login through
304 * this interface. */
305 rc = vnc_display_password(NULL, password);
306 if (rc < 0) {
307 error_setg(errp, QERR_SET_PASSWD_FAILED);
308 }
309 return;
310 }
311
312 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
313 }
314
315 void qmp_expire_password(const char *protocol, const char *whenstr,
316 Error **errp)
317 {
318 time_t when;
319 int rc;
320
321 if (strcmp(whenstr, "now") == 0) {
322 when = 0;
323 } else if (strcmp(whenstr, "never") == 0) {
324 when = TIME_MAX;
325 } else if (whenstr[0] == '+') {
326 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
327 } else {
328 when = strtoull(whenstr, NULL, 10);
329 }
330
331 if (strcmp(protocol, "spice") == 0) {
332 if (!qemu_using_spice(errp)) {
333 return;
334 }
335 rc = qemu_spice_set_pw_expire(when);
336 if (rc != 0) {
337 error_setg(errp, QERR_SET_PASSWD_FAILED);
338 }
339 return;
340 }
341
342 if (strcmp(protocol, "vnc") == 0) {
343 rc = vnc_display_pw_expire(NULL, when);
344 if (rc != 0) {
345 error_setg(errp, QERR_SET_PASSWD_FAILED);
346 }
347 return;
348 }
349
350 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
351 }
352
353 #ifdef CONFIG_VNC
354 void qmp_change_vnc_password(const char *password, Error **errp)
355 {
356 if (vnc_display_password(NULL, password) < 0) {
357 error_setg(errp, QERR_SET_PASSWD_FAILED);
358 }
359 }
360
361 static void qmp_change_vnc_listen(const char *target, Error **errp)
362 {
363 QemuOptsList *olist = qemu_find_opts("vnc");
364 QemuOpts *opts;
365
366 if (strstr(target, "id=")) {
367 error_setg(errp, "id not supported");
368 return;
369 }
370
371 opts = qemu_opts_find(olist, "default");
372 if (opts) {
373 qemu_opts_del(opts);
374 }
375 opts = vnc_parse(target, errp);
376 if (!opts) {
377 return;
378 }
379
380 vnc_display_open("default", errp);
381 }
382
383 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
384 Error **errp)
385 {
386 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
387 if (!has_arg) {
388 error_setg(errp, QERR_MISSING_PARAMETER, "password");
389 } else {
390 qmp_change_vnc_password(arg, errp);
391 }
392 } else {
393 qmp_change_vnc_listen(target, errp);
394 }
395 }
396 #else
397 void qmp_change_vnc_password(const char *password, Error **errp)
398 {
399 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
400 }
401 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
402 Error **errp)
403 {
404 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
405 }
406 #endif /* !CONFIG_VNC */
407
408 void qmp_change(const char *device, const char *target,
409 bool has_arg, const char *arg, Error **errp)
410 {
411 if (strcmp(device, "vnc") == 0) {
412 qmp_change_vnc(target, has_arg, arg, errp);
413 } else {
414 qmp_change_blockdev(device, target, arg, errp);
415 }
416 }
417
418 static void qom_list_types_tramp(ObjectClass *klass, void *data)
419 {
420 ObjectTypeInfoList *e, **pret = data;
421 ObjectTypeInfo *info;
422
423 info = g_malloc0(sizeof(*info));
424 info->name = g_strdup(object_class_get_name(klass));
425
426 e = g_malloc0(sizeof(*e));
427 e->value = info;
428 e->next = *pret;
429 *pret = e;
430 }
431
432 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
433 const char *implements,
434 bool has_abstract,
435 bool abstract,
436 Error **errp)
437 {
438 ObjectTypeInfoList *ret = NULL;
439
440 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
441
442 return ret;
443 }
444
445 /* Return a DevicePropertyInfo for a qdev property.
446 *
447 * If a qdev property with the given name does not exist, use the given default
448 * type. If the qdev property info should not be shown, return NULL.
449 *
450 * The caller must free the return value.
451 */
452 static DevicePropertyInfo *make_device_property_info(ObjectClass *klass,
453 const char *name,
454 const char *default_type,
455 const char *description)
456 {
457 DevicePropertyInfo *info;
458 Property *prop;
459
460 do {
461 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
462 if (strcmp(name, prop->name) != 0) {
463 continue;
464 }
465
466 /*
467 * TODO Properties without a parser are just for dirty hacks.
468 * qdev_prop_ptr is the only such PropertyInfo. It's marked
469 * for removal. This conditional should be removed along with
470 * it.
471 */
472 if (!prop->info->set) {
473 return NULL; /* no way to set it, don't show */
474 }
475
476 info = g_malloc0(sizeof(*info));
477 info->name = g_strdup(prop->name);
478 info->type = g_strdup(prop->info->name);
479 info->has_description = !!prop->info->description;
480 info->description = g_strdup(prop->info->description);
481 return info;
482 }
483 klass = object_class_get_parent(klass);
484 } while (klass != object_class_by_name(TYPE_DEVICE));
485
486 /* Not a qdev property, use the default type */
487 info = g_malloc0(sizeof(*info));
488 info->name = g_strdup(name);
489 info->type = g_strdup(default_type);
490 info->has_description = !!description;
491 info->description = g_strdup(description);
492
493 return info;
494 }
495
496 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
497 Error **errp)
498 {
499 ObjectClass *klass;
500 Object *obj;
501 ObjectProperty *prop;
502 DevicePropertyInfoList *prop_list = NULL;
503
504 klass = object_class_by_name(typename);
505 if (klass == NULL) {
506 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
507 "Device '%s' not found", typename);
508 return NULL;
509 }
510
511 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
512 if (klass == NULL) {
513 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "name", TYPE_DEVICE);
514 return NULL;
515 }
516
517 obj = object_new(typename);
518
519 QTAILQ_FOREACH(prop, &obj->properties, node) {
520 DevicePropertyInfo *info;
521 DevicePropertyInfoList *entry;
522
523 /* Skip Object and DeviceState properties */
524 if (strcmp(prop->name, "type") == 0 ||
525 strcmp(prop->name, "realized") == 0 ||
526 strcmp(prop->name, "hotpluggable") == 0 ||
527 strcmp(prop->name, "hotplugged") == 0 ||
528 strcmp(prop->name, "parent_bus") == 0) {
529 continue;
530 }
531
532 /* Skip legacy properties since they are just string versions of
533 * properties that we already list.
534 */
535 if (strstart(prop->name, "legacy-", NULL)) {
536 continue;
537 }
538
539 info = make_device_property_info(klass, prop->name, prop->type,
540 prop->description);
541 if (!info) {
542 continue;
543 }
544
545 entry = g_malloc0(sizeof(*entry));
546 entry->value = info;
547 entry->next = prop_list;
548 prop_list = entry;
549 }
550
551 object_unref(obj);
552
553 return prop_list;
554 }
555
556 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
557 {
558 return arch_query_cpu_definitions(errp);
559 }
560
561 void qmp_add_client(const char *protocol, const char *fdname,
562 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
563 Error **errp)
564 {
565 CharDriverState *s;
566 int fd;
567
568 fd = monitor_get_fd(cur_mon, fdname, errp);
569 if (fd < 0) {
570 return;
571 }
572
573 if (strcmp(protocol, "spice") == 0) {
574 if (!qemu_using_spice(errp)) {
575 close(fd);
576 return;
577 }
578 skipauth = has_skipauth ? skipauth : false;
579 tls = has_tls ? tls : false;
580 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
581 error_setg(errp, "spice failed to add client");
582 close(fd);
583 }
584 return;
585 #ifdef CONFIG_VNC
586 } else if (strcmp(protocol, "vnc") == 0) {
587 skipauth = has_skipauth ? skipauth : false;
588 vnc_display_add_client(NULL, fd, skipauth);
589 return;
590 #endif
591 } else if ((s = qemu_chr_find(protocol)) != NULL) {
592 if (qemu_chr_add_client(s, fd) < 0) {
593 error_setg(errp, "failed to add client");
594 close(fd);
595 return;
596 }
597 return;
598 }
599
600 error_setg(errp, "protocol '%s' is invalid", protocol);
601 close(fd);
602 }
603
604 void object_add(const char *type, const char *id, const QDict *qdict,
605 Visitor *v, Error **errp)
606 {
607 Object *obj;
608 ObjectClass *klass;
609 const QDictEntry *e;
610 Error *local_err = NULL;
611
612 klass = object_class_by_name(type);
613 if (!klass) {
614 error_setg(errp, "invalid object type: %s", type);
615 return;
616 }
617
618 if (!object_class_dynamic_cast(klass, TYPE_USER_CREATABLE)) {
619 error_setg(errp, "object type '%s' isn't supported by object-add",
620 type);
621 return;
622 }
623
624 if (object_class_is_abstract(klass)) {
625 error_setg(errp, "object type '%s' is abstract", type);
626 return;
627 }
628
629 obj = object_new(type);
630 if (qdict) {
631 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
632 object_property_set(obj, v, e->key, &local_err);
633 if (local_err) {
634 goto out;
635 }
636 }
637 }
638
639 object_property_add_child(object_get_objects_root(),
640 id, obj, &local_err);
641 if (local_err) {
642 goto out;
643 }
644
645 user_creatable_complete(obj, &local_err);
646 if (local_err) {
647 object_property_del(object_get_objects_root(),
648 id, &error_abort);
649 goto out;
650 }
651 out:
652 if (local_err) {
653 error_propagate(errp, local_err);
654 }
655 object_unref(obj);
656 }
657
658 void qmp_object_add(QDict *qdict, QObject **ret, Error **errp)
659 {
660 const char *type = qdict_get_str(qdict, "qom-type");
661 const char *id = qdict_get_str(qdict, "id");
662 QObject *props = qdict_get(qdict, "props");
663 const QDict *pdict = NULL;
664 QmpInputVisitor *qiv;
665
666 if (props) {
667 pdict = qobject_to_qdict(props);
668 if (!pdict) {
669 error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
670 return;
671 }
672 }
673
674 qiv = qmp_input_visitor_new(props);
675 object_add(type, id, pdict, qmp_input_get_visitor(qiv), errp);
676 qmp_input_visitor_cleanup(qiv);
677 }
678
679 void qmp_object_del(const char *id, Error **errp)
680 {
681 Object *container;
682 Object *obj;
683
684 container = object_get_objects_root();
685 obj = object_resolve_path_component(container, id);
686 if (!obj) {
687 error_setg(errp, "object id not found");
688 return;
689 }
690
691 if (!user_creatable_can_be_deleted(USER_CREATABLE(obj), errp)) {
692 error_setg(errp, "%s is in use, can not be deleted", id);
693 return;
694 }
695 object_unparent(obj);
696 }
697
698 MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp)
699 {
700 MemoryDeviceInfoList *head = NULL;
701 MemoryDeviceInfoList **prev = &head;
702
703 qmp_pc_dimm_device_list(qdev_get_machine(), &prev);
704
705 return head;
706 }
707
708 ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp)
709 {
710 bool ambig;
711 ACPIOSTInfoList *head = NULL;
712 ACPIOSTInfoList **prev = &head;
713 Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig);
714
715 if (obj) {
716 AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
717 AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj);
718
719 adevc->ospm_status(adev, &prev);
720 } else {
721 error_setg(errp, "command is not supported, missing ACPI device");
722 }
723
724 return head;
725 }