2 * QEMU Management Protocol
4 * Copyright IBM, Corp. 2011
7 * Anthony Liguori <aliguori@us.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
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.
16 #include "qemu-common.h"
17 #include "sysemu/sysemu.h"
18 #include "qmp-commands.h"
19 #include "sysemu/char.h"
20 #include "ui/qemu-spice.h"
22 #include "sysemu/kvm.h"
23 #include "sysemu/arch_init.h"
25 #include "sysemu/blockdev.h"
26 #include "qom/qom-qobject.h"
27 #include "qapi/qmp/qobject.h"
28 #include "qapi/qmp-input-visitor.h"
29 #include "hw/boards.h"
30 #include "qom/object_interfaces.h"
32 NameInfo *qmp_query_name(Error **errp)
34 NameInfo *info = g_malloc0(sizeof(*info));
37 info->has_name = true;
38 info->name = g_strdup(qemu_name);
44 VersionInfo *qmp_query_version(Error **err)
46 VersionInfo *info = g_malloc0(sizeof(*info));
47 const char *version = QEMU_VERSION;
50 info->qemu.major = strtol(version, &tmp, 10);
52 info->qemu.minor = strtol(tmp, &tmp, 10);
54 info->qemu.micro = strtol(tmp, &tmp, 10);
55 info->package = g_strdup(QEMU_PKGVERSION);
60 KvmInfo *qmp_query_kvm(Error **errp)
62 KvmInfo *info = g_malloc0(sizeof(*info));
64 info->enabled = kvm_enabled();
65 info->present = kvm_available();
70 UuidInfo *qmp_query_uuid(Error **errp)
72 UuidInfo *info = g_malloc0(sizeof(*info));
75 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
76 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
77 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
78 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
79 qemu_uuid[14], qemu_uuid[15]);
81 info->UUID = g_strdup(uuid);
85 void qmp_quit(Error **err)
88 qemu_system_shutdown_request();
91 void qmp_stop(Error **errp)
93 if (runstate_check(RUN_STATE_INMIGRATE)) {
96 vm_stop(RUN_STATE_PAUSED);
100 void qmp_system_reset(Error **errp)
102 qemu_system_reset_request();
105 void qmp_system_powerdown(Error **erp)
107 qemu_system_powerdown_request();
110 void qmp_cpu(int64_t index, Error **errp)
112 /* Just do nothing */
115 void qmp_cpu_add(int64_t id, Error **errp)
119 mc = MACHINE_GET_CLASS(current_machine);
120 if (mc->qemu_machine->hot_add_cpu) {
121 mc->qemu_machine->hot_add_cpu(id, errp);
123 error_setg(errp, "Not supported");
128 /* If VNC support is enabled, the "true" query-vnc command is
129 defined in the VNC subsystem */
130 VncInfo *qmp_query_vnc(Error **errp)
132 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
138 /* If SPICE support is enabled, the "true" query-spice command is
139 defined in the SPICE subsystem. Also note that we use a small
140 trick to maintain query-spice's original behavior, which is not
141 to be available in the namespace if SPICE is not compiled in */
142 SpiceInfo *qmp_query_spice(Error **errp)
144 error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
149 static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
151 bdrv_iostatus_reset(bs);
154 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
156 Error **err = opaque;
158 if (!error_is_set(err) && bdrv_key_required(bs)) {
159 error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
160 bdrv_get_encrypted_filename(bs));
164 void qmp_cont(Error **errp)
166 Error *local_err = NULL;
168 if (runstate_needs_reset()) {
169 error_set(errp, QERR_RESET_REQUIRED);
171 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
175 bdrv_iterate(iostatus_bdrv_it, NULL);
176 bdrv_iterate(encrypted_bdrv_it, &local_err);
178 error_propagate(errp, local_err);
182 if (runstate_check(RUN_STATE_INMIGRATE)) {
189 void qmp_system_wakeup(Error **errp)
191 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
194 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
197 bool ambiguous = false;
198 ObjectPropertyInfoList *props = NULL;
199 ObjectProperty *prop;
201 obj = object_resolve_path(path, &ambiguous);
203 error_set(errp, QERR_DEVICE_NOT_FOUND, path);
207 QTAILQ_FOREACH(prop, &obj->properties, node) {
208 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
210 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
214 entry->value->name = g_strdup(prop->name);
215 entry->value->type = g_strdup(prop->type);
221 /* FIXME: teach qapi about how to pass through Visitors */
222 int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
224 const char *path = qdict_get_str(qdict, "path");
225 const char *property = qdict_get_str(qdict, "property");
226 QObject *value = qdict_get(qdict, "value");
227 Error *local_err = NULL;
230 obj = object_resolve_path(path, NULL);
232 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
236 object_property_set_qobject(obj, value, property, &local_err);
240 qerror_report_err(local_err);
241 error_free(local_err);
248 int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
250 const char *path = qdict_get_str(qdict, "path");
251 const char *property = qdict_get_str(qdict, "property");
252 Error *local_err = NULL;
255 obj = object_resolve_path(path, NULL);
257 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
261 *ret = object_property_get_qobject(obj, property, &local_err);
265 qerror_report_err(local_err);
266 error_free(local_err);
273 void qmp_set_password(const char *protocol, const char *password,
274 bool has_connected, const char *connected, Error **errp)
276 int disconnect_if_connected = 0;
277 int fail_if_connected = 0;
281 if (strcmp(connected, "fail") == 0) {
282 fail_if_connected = 1;
283 } else if (strcmp(connected, "disconnect") == 0) {
284 disconnect_if_connected = 1;
285 } else if (strcmp(connected, "keep") == 0) {
288 error_set(errp, QERR_INVALID_PARAMETER, "connected");
293 if (strcmp(protocol, "spice") == 0) {
295 /* correct one? spice isn't a device ,,, */
296 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
299 rc = qemu_spice_set_passwd(password, fail_if_connected,
300 disconnect_if_connected);
302 error_set(errp, QERR_SET_PASSWD_FAILED);
307 if (strcmp(protocol, "vnc") == 0) {
308 if (fail_if_connected || disconnect_if_connected) {
309 /* vnc supports "connected=keep" only */
310 error_set(errp, QERR_INVALID_PARAMETER, "connected");
313 /* Note that setting an empty password will not disable login through
315 rc = vnc_display_password(NULL, password);
317 error_set(errp, QERR_SET_PASSWD_FAILED);
322 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
325 void qmp_expire_password(const char *protocol, const char *whenstr,
331 if (strcmp(whenstr, "now") == 0) {
333 } else if (strcmp(whenstr, "never") == 0) {
335 } else if (whenstr[0] == '+') {
336 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
338 when = strtoull(whenstr, NULL, 10);
341 if (strcmp(protocol, "spice") == 0) {
343 /* correct one? spice isn't a device ,,, */
344 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
347 rc = qemu_spice_set_pw_expire(when);
349 error_set(errp, QERR_SET_PASSWD_FAILED);
354 if (strcmp(protocol, "vnc") == 0) {
355 rc = vnc_display_pw_expire(NULL, when);
357 error_set(errp, QERR_SET_PASSWD_FAILED);
362 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
366 void qmp_change_vnc_password(const char *password, Error **errp)
368 if (vnc_display_password(NULL, password) < 0) {
369 error_set(errp, QERR_SET_PASSWD_FAILED);
373 static void qmp_change_vnc_listen(const char *target, Error **errp)
375 vnc_display_open(NULL, target, errp);
378 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
381 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
383 error_set(errp, QERR_MISSING_PARAMETER, "password");
385 qmp_change_vnc_password(arg, errp);
388 qmp_change_vnc_listen(target, errp);
392 void qmp_change_vnc_password(const char *password, Error **errp)
394 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
396 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
399 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
401 #endif /* !CONFIG_VNC */
403 void qmp_change(const char *device, const char *target,
404 bool has_arg, const char *arg, Error **err)
406 if (strcmp(device, "vnc") == 0) {
407 qmp_change_vnc(target, has_arg, arg, err);
409 qmp_change_blockdev(device, target, arg, err);
413 static void qom_list_types_tramp(ObjectClass *klass, void *data)
415 ObjectTypeInfoList *e, **pret = data;
416 ObjectTypeInfo *info;
418 info = g_malloc0(sizeof(*info));
419 info->name = g_strdup(object_class_get_name(klass));
421 e = g_malloc0(sizeof(*e));
427 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
428 const char *implements,
433 ObjectTypeInfoList *ret = NULL;
435 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
440 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
445 DevicePropertyInfoList *prop_list = NULL;
447 klass = object_class_by_name(typename);
449 error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
453 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
455 error_set(errp, QERR_INVALID_PARAMETER_VALUE,
456 "name", TYPE_DEVICE);
461 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
462 DevicePropertyInfoList *entry;
463 DevicePropertyInfo *info;
466 * TODO Properties without a parser are just for dirty hacks.
467 * qdev_prop_ptr is the only such PropertyInfo. It's marked
468 * for removal. This conditional should be removed along with
471 if (!prop->info->set) {
472 continue; /* no way to set it, don't show */
475 info = g_malloc0(sizeof(*info));
476 info->name = g_strdup(prop->name);
477 info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
479 entry = g_malloc0(sizeof(*entry));
481 entry->next = prop_list;
484 klass = object_class_get_parent(klass);
485 } while (klass != object_class_by_name(TYPE_DEVICE));
490 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
492 return arch_query_cpu_definitions(errp);
495 void qmp_add_client(const char *protocol, const char *fdname,
496 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
502 fd = monitor_get_fd(cur_mon, fdname, errp);
507 if (strcmp(protocol, "spice") == 0) {
509 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
513 skipauth = has_skipauth ? skipauth : false;
514 tls = has_tls ? tls : false;
515 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
516 error_setg(errp, "spice failed to add client");
521 } else if (strcmp(protocol, "vnc") == 0) {
522 skipauth = has_skipauth ? skipauth : false;
523 vnc_display_add_client(NULL, fd, skipauth);
526 } else if ((s = qemu_chr_find(protocol)) != NULL) {
527 if (qemu_chr_add_client(s, fd) < 0) {
528 error_setg(errp, "failed to add client");
535 error_setg(errp, "protocol '%s' is invalid", protocol);
539 void object_add(const char *type, const char *id, const QDict *qdict,
540 Visitor *v, Error **errp)
544 Error *local_err = NULL;
546 if (!object_class_by_name(type)) {
547 error_setg(errp, "invalid class name");
551 obj = object_new(type);
553 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
554 object_property_set(obj, v, e->key, &local_err);
561 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
562 error_setg(&local_err, "object type '%s' isn't supported by object-add",
567 user_creatable_complete(obj, &local_err);
572 object_property_add_child(container_get(object_get_root(), "/objects"),
573 id, obj, &local_err);
576 error_propagate(errp, local_err);
581 int qmp_object_add(Monitor *mon, const QDict *qdict, QObject **ret)
583 const char *type = qdict_get_str(qdict, "qom-type");
584 const char *id = qdict_get_str(qdict, "id");
585 QObject *props = qdict_get(qdict, "props");
586 const QDict *pdict = NULL;
587 Error *local_err = NULL;
588 QmpInputVisitor *qiv;
591 pdict = qobject_to_qdict(props);
593 error_set(&local_err, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
598 qiv = qmp_input_visitor_new(props);
599 object_add(type, id, pdict, qmp_input_get_visitor(qiv), &local_err);
600 qmp_input_visitor_cleanup(qiv);
604 qerror_report_err(local_err);
605 error_free(local_err);
612 void qmp_object_del(const char *id, Error **errp)
617 container = container_get(object_get_root(), "/objects");
618 obj = object_resolve_path_component(container, id);
620 error_setg(errp, "object id not found");
623 object_unparent(obj);