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"
31 NameInfo *qmp_query_name(Error **errp)
33 NameInfo *info = g_malloc0(sizeof(*info));
36 info->has_name = true;
37 info->name = g_strdup(qemu_name);
43 VersionInfo *qmp_query_version(Error **err)
45 VersionInfo *info = g_malloc0(sizeof(*info));
46 const char *version = QEMU_VERSION;
49 info->qemu.major = strtol(version, &tmp, 10);
51 info->qemu.minor = strtol(tmp, &tmp, 10);
53 info->qemu.micro = strtol(tmp, &tmp, 10);
54 info->package = g_strdup(QEMU_PKGVERSION);
59 KvmInfo *qmp_query_kvm(Error **errp)
61 KvmInfo *info = g_malloc0(sizeof(*info));
63 info->enabled = kvm_enabled();
64 info->present = kvm_available();
69 UuidInfo *qmp_query_uuid(Error **errp)
71 UuidInfo *info = g_malloc0(sizeof(*info));
74 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
75 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
76 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
77 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
78 qemu_uuid[14], qemu_uuid[15]);
80 info->UUID = g_strdup(uuid);
84 void qmp_quit(Error **err)
87 qemu_system_shutdown_request();
90 void qmp_stop(Error **errp)
92 if (runstate_check(RUN_STATE_INMIGRATE)) {
95 vm_stop(RUN_STATE_PAUSED);
99 void qmp_system_reset(Error **errp)
101 qemu_system_reset_request();
104 void qmp_system_powerdown(Error **erp)
106 qemu_system_powerdown_request();
109 void qmp_cpu(int64_t index, Error **errp)
111 /* Just do nothing */
114 void qmp_cpu_add(int64_t id, Error **errp)
116 if (current_machine->hot_add_cpu) {
117 current_machine->hot_add_cpu(id, errp);
119 error_setg(errp, "Not supported");
124 /* If VNC support is enabled, the "true" query-vnc command is
125 defined in the VNC subsystem */
126 VncInfo *qmp_query_vnc(Error **errp)
128 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
134 /* If SPICE support is enabled, the "true" query-spice command is
135 defined in the SPICE subsystem. Also note that we use a small
136 trick to maintain query-spice's original behavior, which is not
137 to be available in the namespace if SPICE is not compiled in */
138 SpiceInfo *qmp_query_spice(Error **errp)
140 error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
145 static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
147 bdrv_iostatus_reset(bs);
150 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
152 Error **err = opaque;
154 if (!error_is_set(err) && bdrv_key_required(bs)) {
155 error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
156 bdrv_get_encrypted_filename(bs));
160 void qmp_cont(Error **errp)
162 Error *local_err = NULL;
164 if (runstate_needs_reset()) {
165 error_set(errp, QERR_RESET_REQUIRED);
167 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
171 bdrv_iterate(iostatus_bdrv_it, NULL);
172 bdrv_iterate(encrypted_bdrv_it, &local_err);
174 error_propagate(errp, local_err);
178 if (runstate_check(RUN_STATE_INMIGRATE)) {
185 void qmp_system_wakeup(Error **errp)
187 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
190 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
193 bool ambiguous = false;
194 ObjectPropertyInfoList *props = NULL;
195 ObjectProperty *prop;
197 obj = object_resolve_path(path, &ambiguous);
199 error_set(errp, QERR_DEVICE_NOT_FOUND, path);
203 QTAILQ_FOREACH(prop, &obj->properties, node) {
204 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
206 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
210 entry->value->name = g_strdup(prop->name);
211 entry->value->type = g_strdup(prop->type);
217 /* FIXME: teach qapi about how to pass through Visitors */
218 int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
220 const char *path = qdict_get_str(qdict, "path");
221 const char *property = qdict_get_str(qdict, "property");
222 QObject *value = qdict_get(qdict, "value");
223 Error *local_err = NULL;
226 obj = object_resolve_path(path, NULL);
228 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
232 object_property_set_qobject(obj, value, property, &local_err);
236 qerror_report_err(local_err);
237 error_free(local_err);
244 int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
246 const char *path = qdict_get_str(qdict, "path");
247 const char *property = qdict_get_str(qdict, "property");
248 Error *local_err = NULL;
251 obj = object_resolve_path(path, NULL);
253 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
257 *ret = object_property_get_qobject(obj, property, &local_err);
261 qerror_report_err(local_err);
262 error_free(local_err);
269 void qmp_set_password(const char *protocol, const char *password,
270 bool has_connected, const char *connected, Error **errp)
272 int disconnect_if_connected = 0;
273 int fail_if_connected = 0;
277 if (strcmp(connected, "fail") == 0) {
278 fail_if_connected = 1;
279 } else if (strcmp(connected, "disconnect") == 0) {
280 disconnect_if_connected = 1;
281 } else if (strcmp(connected, "keep") == 0) {
284 error_set(errp, QERR_INVALID_PARAMETER, "connected");
289 if (strcmp(protocol, "spice") == 0) {
291 /* correct one? spice isn't a device ,,, */
292 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
295 rc = qemu_spice_set_passwd(password, fail_if_connected,
296 disconnect_if_connected);
298 error_set(errp, QERR_SET_PASSWD_FAILED);
303 if (strcmp(protocol, "vnc") == 0) {
304 if (fail_if_connected || disconnect_if_connected) {
305 /* vnc supports "connected=keep" only */
306 error_set(errp, QERR_INVALID_PARAMETER, "connected");
309 /* Note that setting an empty password will not disable login through
311 rc = vnc_display_password(NULL, password);
313 error_set(errp, QERR_SET_PASSWD_FAILED);
318 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
321 void qmp_expire_password(const char *protocol, const char *whenstr,
327 if (strcmp(whenstr, "now") == 0) {
329 } else if (strcmp(whenstr, "never") == 0) {
331 } else if (whenstr[0] == '+') {
332 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
334 when = strtoull(whenstr, NULL, 10);
337 if (strcmp(protocol, "spice") == 0) {
339 /* correct one? spice isn't a device ,,, */
340 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
343 rc = qemu_spice_set_pw_expire(when);
345 error_set(errp, QERR_SET_PASSWD_FAILED);
350 if (strcmp(protocol, "vnc") == 0) {
351 rc = vnc_display_pw_expire(NULL, when);
353 error_set(errp, QERR_SET_PASSWD_FAILED);
358 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
362 void qmp_change_vnc_password(const char *password, Error **errp)
364 if (vnc_display_password(NULL, password) < 0) {
365 error_set(errp, QERR_SET_PASSWD_FAILED);
369 static void qmp_change_vnc_listen(const char *target, Error **errp)
371 vnc_display_open(NULL, target, errp);
374 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
377 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
379 error_set(errp, QERR_MISSING_PARAMETER, "password");
381 qmp_change_vnc_password(arg, errp);
384 qmp_change_vnc_listen(target, errp);
388 void qmp_change_vnc_password(const char *password, Error **errp)
390 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
392 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
395 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
397 #endif /* !CONFIG_VNC */
399 void qmp_change(const char *device, const char *target,
400 bool has_arg, const char *arg, Error **err)
402 if (strcmp(device, "vnc") == 0) {
403 qmp_change_vnc(target, has_arg, arg, err);
405 qmp_change_blockdev(device, target, arg, err);
409 static void qom_list_types_tramp(ObjectClass *klass, void *data)
411 ObjectTypeInfoList *e, **pret = data;
412 ObjectTypeInfo *info;
414 info = g_malloc0(sizeof(*info));
415 info->name = g_strdup(object_class_get_name(klass));
417 e = g_malloc0(sizeof(*e));
423 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
424 const char *implements,
429 ObjectTypeInfoList *ret = NULL;
431 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
436 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
441 DevicePropertyInfoList *prop_list = NULL;
443 klass = object_class_by_name(typename);
445 error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
449 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
451 error_set(errp, QERR_INVALID_PARAMETER_VALUE,
452 "name", TYPE_DEVICE);
457 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
458 DevicePropertyInfoList *entry;
459 DevicePropertyInfo *info;
462 * TODO Properties without a parser are just for dirty hacks.
463 * qdev_prop_ptr is the only such PropertyInfo. It's marked
464 * for removal. This conditional should be removed along with
467 if (!prop->info->set) {
468 continue; /* no way to set it, don't show */
471 info = g_malloc0(sizeof(*info));
472 info->name = g_strdup(prop->name);
473 info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
475 entry = g_malloc0(sizeof(*entry));
477 entry->next = prop_list;
480 klass = object_class_get_parent(klass);
481 } while (klass != object_class_by_name(TYPE_DEVICE));
486 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
488 return arch_query_cpu_definitions(errp);
491 void qmp_add_client(const char *protocol, const char *fdname,
492 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
498 fd = monitor_get_fd(cur_mon, fdname, errp);
503 if (strcmp(protocol, "spice") == 0) {
505 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
509 skipauth = has_skipauth ? skipauth : false;
510 tls = has_tls ? tls : false;
511 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
512 error_setg(errp, "spice failed to add client");
517 } else if (strcmp(protocol, "vnc") == 0) {
518 skipauth = has_skipauth ? skipauth : false;
519 vnc_display_add_client(NULL, fd, skipauth);
522 } else if ((s = qemu_chr_find(protocol)) != NULL) {
523 if (qemu_chr_add_client(s, fd) < 0) {
524 error_setg(errp, "failed to add client");
531 error_setg(errp, "protocol '%s' is invalid", protocol);
535 void object_add(const char *type, const char *id, const QDict *qdict,
536 Visitor *v, Error **errp)
540 Error *local_err = NULL;
542 if (!object_class_by_name(type)) {
543 error_setg(errp, "invalid class name");
547 obj = object_new(type);
549 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
550 object_property_set(obj, v, e->key, &local_err);
552 error_propagate(errp, local_err);
559 object_property_add_child(container_get(object_get_root(), "/objects"),
564 int qmp_object_add(Monitor *mon, const QDict *qdict, QObject **ret)
566 const char *type = qdict_get_str(qdict, "qom-type");
567 const char *id = qdict_get_str(qdict, "id");
568 QObject *props = qdict_get(qdict, "props");
569 const QDict *pdict = NULL;
570 Error *local_err = NULL;
571 QmpInputVisitor *qiv;
574 pdict = qobject_to_qdict(props);
576 error_set(&local_err, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
581 qiv = qmp_input_visitor_new(props);
582 object_add(type, id, pdict, qmp_input_get_visitor(qiv), &local_err);
583 qmp_input_visitor_cleanup(qiv);
587 qerror_report_err(local_err);
588 error_free(local_err);
595 void qmp_object_del(const char *id, Error **errp)
600 container = container_get(object_get_root(), "/objects");
601 obj = object_resolve_path_component(container, id);
603 error_setg(errp, "object id not found");
606 object_unparent(obj);