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)
117 if (current_machine->hot_add_cpu) {
118 current_machine->hot_add_cpu(id, errp);
120 error_setg(errp, "Not supported");
125 /* If VNC support is enabled, the "true" query-vnc command is
126 defined in the VNC subsystem */
127 VncInfo *qmp_query_vnc(Error **errp)
129 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
135 /* If SPICE support is enabled, the "true" query-spice command is
136 defined in the SPICE subsystem. Also note that we use a small
137 trick to maintain query-spice's original behavior, which is not
138 to be available in the namespace if SPICE is not compiled in */
139 SpiceInfo *qmp_query_spice(Error **errp)
141 error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
146 static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
148 bdrv_iostatus_reset(bs);
151 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
153 Error **err = opaque;
155 if (!error_is_set(err) && bdrv_key_required(bs)) {
156 error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
157 bdrv_get_encrypted_filename(bs));
161 void qmp_cont(Error **errp)
163 Error *local_err = NULL;
165 if (runstate_needs_reset()) {
166 error_set(errp, QERR_RESET_REQUIRED);
168 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
172 bdrv_iterate(iostatus_bdrv_it, NULL);
173 bdrv_iterate(encrypted_bdrv_it, &local_err);
175 error_propagate(errp, local_err);
179 if (runstate_check(RUN_STATE_INMIGRATE)) {
186 void qmp_system_wakeup(Error **errp)
188 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
191 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
194 bool ambiguous = false;
195 ObjectPropertyInfoList *props = NULL;
196 ObjectProperty *prop;
198 obj = object_resolve_path(path, &ambiguous);
200 error_set(errp, QERR_DEVICE_NOT_FOUND, path);
204 QTAILQ_FOREACH(prop, &obj->properties, node) {
205 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
207 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
211 entry->value->name = g_strdup(prop->name);
212 entry->value->type = g_strdup(prop->type);
218 /* FIXME: teach qapi about how to pass through Visitors */
219 int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
221 const char *path = qdict_get_str(qdict, "path");
222 const char *property = qdict_get_str(qdict, "property");
223 QObject *value = qdict_get(qdict, "value");
224 Error *local_err = NULL;
227 obj = object_resolve_path(path, NULL);
229 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
233 object_property_set_qobject(obj, value, property, &local_err);
237 qerror_report_err(local_err);
238 error_free(local_err);
245 int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
247 const char *path = qdict_get_str(qdict, "path");
248 const char *property = qdict_get_str(qdict, "property");
249 Error *local_err = NULL;
252 obj = object_resolve_path(path, NULL);
254 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
258 *ret = object_property_get_qobject(obj, property, &local_err);
262 qerror_report_err(local_err);
263 error_free(local_err);
270 void qmp_set_password(const char *protocol, const char *password,
271 bool has_connected, const char *connected, Error **errp)
273 int disconnect_if_connected = 0;
274 int fail_if_connected = 0;
278 if (strcmp(connected, "fail") == 0) {
279 fail_if_connected = 1;
280 } else if (strcmp(connected, "disconnect") == 0) {
281 disconnect_if_connected = 1;
282 } else if (strcmp(connected, "keep") == 0) {
285 error_set(errp, QERR_INVALID_PARAMETER, "connected");
290 if (strcmp(protocol, "spice") == 0) {
292 /* correct one? spice isn't a device ,,, */
293 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
296 rc = qemu_spice_set_passwd(password, fail_if_connected,
297 disconnect_if_connected);
299 error_set(errp, QERR_SET_PASSWD_FAILED);
304 if (strcmp(protocol, "vnc") == 0) {
305 if (fail_if_connected || disconnect_if_connected) {
306 /* vnc supports "connected=keep" only */
307 error_set(errp, QERR_INVALID_PARAMETER, "connected");
310 /* Note that setting an empty password will not disable login through
312 rc = vnc_display_password(NULL, password);
314 error_set(errp, QERR_SET_PASSWD_FAILED);
319 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
322 void qmp_expire_password(const char *protocol, const char *whenstr,
328 if (strcmp(whenstr, "now") == 0) {
330 } else if (strcmp(whenstr, "never") == 0) {
332 } else if (whenstr[0] == '+') {
333 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
335 when = strtoull(whenstr, NULL, 10);
338 if (strcmp(protocol, "spice") == 0) {
340 /* correct one? spice isn't a device ,,, */
341 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
344 rc = qemu_spice_set_pw_expire(when);
346 error_set(errp, QERR_SET_PASSWD_FAILED);
351 if (strcmp(protocol, "vnc") == 0) {
352 rc = vnc_display_pw_expire(NULL, when);
354 error_set(errp, QERR_SET_PASSWD_FAILED);
359 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
363 void qmp_change_vnc_password(const char *password, Error **errp)
365 if (vnc_display_password(NULL, password) < 0) {
366 error_set(errp, QERR_SET_PASSWD_FAILED);
370 static void qmp_change_vnc_listen(const char *target, Error **errp)
372 vnc_display_open(NULL, target, errp);
375 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
378 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
380 error_set(errp, QERR_MISSING_PARAMETER, "password");
382 qmp_change_vnc_password(arg, errp);
385 qmp_change_vnc_listen(target, errp);
389 void qmp_change_vnc_password(const char *password, Error **errp)
391 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
393 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
396 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
398 #endif /* !CONFIG_VNC */
400 void qmp_change(const char *device, const char *target,
401 bool has_arg, const char *arg, Error **err)
403 if (strcmp(device, "vnc") == 0) {
404 qmp_change_vnc(target, has_arg, arg, err);
406 qmp_change_blockdev(device, target, arg, err);
410 static void qom_list_types_tramp(ObjectClass *klass, void *data)
412 ObjectTypeInfoList *e, **pret = data;
413 ObjectTypeInfo *info;
415 info = g_malloc0(sizeof(*info));
416 info->name = g_strdup(object_class_get_name(klass));
418 e = g_malloc0(sizeof(*e));
424 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
425 const char *implements,
430 ObjectTypeInfoList *ret = NULL;
432 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
437 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
442 DevicePropertyInfoList *prop_list = NULL;
444 klass = object_class_by_name(typename);
446 error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
450 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
452 error_set(errp, QERR_INVALID_PARAMETER_VALUE,
453 "name", TYPE_DEVICE);
458 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
459 DevicePropertyInfoList *entry;
460 DevicePropertyInfo *info;
463 * TODO Properties without a parser are just for dirty hacks.
464 * qdev_prop_ptr is the only such PropertyInfo. It's marked
465 * for removal. This conditional should be removed along with
468 if (!prop->info->set) {
469 continue; /* no way to set it, don't show */
472 info = g_malloc0(sizeof(*info));
473 info->name = g_strdup(prop->name);
474 info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
476 entry = g_malloc0(sizeof(*entry));
478 entry->next = prop_list;
481 klass = object_class_get_parent(klass);
482 } while (klass != object_class_by_name(TYPE_DEVICE));
487 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
489 return arch_query_cpu_definitions(errp);
492 void qmp_add_client(const char *protocol, const char *fdname,
493 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
499 fd = monitor_get_fd(cur_mon, fdname, errp);
504 if (strcmp(protocol, "spice") == 0) {
506 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
510 skipauth = has_skipauth ? skipauth : false;
511 tls = has_tls ? tls : false;
512 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
513 error_setg(errp, "spice failed to add client");
518 } else if (strcmp(protocol, "vnc") == 0) {
519 skipauth = has_skipauth ? skipauth : false;
520 vnc_display_add_client(NULL, fd, skipauth);
523 } else if ((s = qemu_chr_find(protocol)) != NULL) {
524 if (qemu_chr_add_client(s, fd) < 0) {
525 error_setg(errp, "failed to add client");
532 error_setg(errp, "protocol '%s' is invalid", protocol);
536 void object_add(const char *type, const char *id, const QDict *qdict,
537 Visitor *v, Error **errp)
541 Error *local_err = NULL;
543 if (!object_class_by_name(type)) {
544 error_setg(errp, "invalid class name");
548 obj = object_new(type);
550 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
551 object_property_set(obj, v, e->key, &local_err);
558 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
559 error_setg(&local_err, "object '%s' isn't supported by object-add",
564 user_creatable_complete(obj, &local_err);
569 object_property_add_child(container_get(object_get_root(), "/objects"),
570 id, obj, &local_err);
573 error_propagate(errp, local_err);
578 int qmp_object_add(Monitor *mon, const QDict *qdict, QObject **ret)
580 const char *type = qdict_get_str(qdict, "qom-type");
581 const char *id = qdict_get_str(qdict, "id");
582 QObject *props = qdict_get(qdict, "props");
583 const QDict *pdict = NULL;
584 Error *local_err = NULL;
585 QmpInputVisitor *qiv;
588 pdict = qobject_to_qdict(props);
590 error_set(&local_err, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
595 qiv = qmp_input_visitor_new(props);
596 object_add(type, id, pdict, qmp_input_get_visitor(qiv), &local_err);
597 qmp_input_visitor_cleanup(qiv);
601 qerror_report_err(local_err);
602 error_free(local_err);
609 void qmp_object_del(const char *id, Error **errp)
614 container = container_get(object_get_root(), "/objects");
615 obj = object_resolve_path_component(container, id);
617 error_setg(errp, "object id not found");
620 object_unparent(obj);