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 "char/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"
28 NameInfo *qmp_query_name(Error **errp)
30 NameInfo *info = g_malloc0(sizeof(*info));
33 info->has_name = true;
34 info->name = g_strdup(qemu_name);
40 VersionInfo *qmp_query_version(Error **err)
42 VersionInfo *info = g_malloc0(sizeof(*info));
43 const char *version = QEMU_VERSION;
46 info->qemu.major = strtol(version, &tmp, 10);
48 info->qemu.minor = strtol(tmp, &tmp, 10);
50 info->qemu.micro = strtol(tmp, &tmp, 10);
51 info->package = g_strdup(QEMU_PKGVERSION);
56 KvmInfo *qmp_query_kvm(Error **errp)
58 KvmInfo *info = g_malloc0(sizeof(*info));
60 info->enabled = kvm_enabled();
61 info->present = kvm_available();
66 UuidInfo *qmp_query_uuid(Error **errp)
68 UuidInfo *info = g_malloc0(sizeof(*info));
71 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
72 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
73 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
74 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
75 qemu_uuid[14], qemu_uuid[15]);
77 info->UUID = g_strdup(uuid);
81 void qmp_quit(Error **err)
84 qemu_system_shutdown_request();
87 void qmp_stop(Error **errp)
89 if (runstate_check(RUN_STATE_INMIGRATE)) {
92 vm_stop(RUN_STATE_PAUSED);
96 void qmp_system_reset(Error **errp)
98 qemu_system_reset_request();
101 void qmp_system_powerdown(Error **erp)
103 qemu_system_powerdown_request();
106 void qmp_cpu(int64_t index, Error **errp)
108 /* Just do nothing */
112 /* If VNC support is enabled, the "true" query-vnc command is
113 defined in the VNC subsystem */
114 VncInfo *qmp_query_vnc(Error **errp)
116 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
122 /* If SPICE support is enabled, the "true" query-spice command is
123 defined in the SPICE subsystem. Also note that we use a small
124 trick to maintain query-spice's original behavior, which is not
125 to be available in the namespace if SPICE is not compiled in */
126 SpiceInfo *qmp_query_spice(Error **errp)
128 error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
133 static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
135 bdrv_iostatus_reset(bs);
138 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
140 Error **err = opaque;
142 if (!error_is_set(err) && bdrv_key_required(bs)) {
143 error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
144 bdrv_get_encrypted_filename(bs));
148 void qmp_cont(Error **errp)
150 Error *local_err = NULL;
152 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
153 runstate_check(RUN_STATE_SHUTDOWN)) {
154 error_set(errp, QERR_RESET_REQUIRED);
156 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
160 bdrv_iterate(iostatus_bdrv_it, NULL);
161 bdrv_iterate(encrypted_bdrv_it, &local_err);
163 error_propagate(errp, local_err);
167 if (runstate_check(RUN_STATE_INMIGRATE)) {
174 void qmp_system_wakeup(Error **errp)
176 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
179 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
182 bool ambiguous = false;
183 ObjectPropertyInfoList *props = NULL;
184 ObjectProperty *prop;
186 obj = object_resolve_path(path, &ambiguous);
188 error_set(errp, QERR_DEVICE_NOT_FOUND, path);
192 QTAILQ_FOREACH(prop, &obj->properties, node) {
193 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
195 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
199 entry->value->name = g_strdup(prop->name);
200 entry->value->type = g_strdup(prop->type);
206 /* FIXME: teach qapi about how to pass through Visitors */
207 int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
209 const char *path = qdict_get_str(qdict, "path");
210 const char *property = qdict_get_str(qdict, "property");
211 QObject *value = qdict_get(qdict, "value");
212 Error *local_err = NULL;
215 obj = object_resolve_path(path, NULL);
217 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
221 object_property_set_qobject(obj, value, property, &local_err);
225 qerror_report_err(local_err);
226 error_free(local_err);
233 int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
235 const char *path = qdict_get_str(qdict, "path");
236 const char *property = qdict_get_str(qdict, "property");
237 Error *local_err = NULL;
240 obj = object_resolve_path(path, NULL);
242 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
246 *ret = object_property_get_qobject(obj, property, &local_err);
250 qerror_report_err(local_err);
251 error_free(local_err);
258 void qmp_set_password(const char *protocol, const char *password,
259 bool has_connected, const char *connected, Error **errp)
261 int disconnect_if_connected = 0;
262 int fail_if_connected = 0;
266 if (strcmp(connected, "fail") == 0) {
267 fail_if_connected = 1;
268 } else if (strcmp(connected, "disconnect") == 0) {
269 disconnect_if_connected = 1;
270 } else if (strcmp(connected, "keep") == 0) {
273 error_set(errp, QERR_INVALID_PARAMETER, "connected");
278 if (strcmp(protocol, "spice") == 0) {
280 /* correct one? spice isn't a device ,,, */
281 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
284 rc = qemu_spice_set_passwd(password, fail_if_connected,
285 disconnect_if_connected);
287 error_set(errp, QERR_SET_PASSWD_FAILED);
292 if (strcmp(protocol, "vnc") == 0) {
293 if (fail_if_connected || disconnect_if_connected) {
294 /* vnc supports "connected=keep" only */
295 error_set(errp, QERR_INVALID_PARAMETER, "connected");
298 /* Note that setting an empty password will not disable login through
300 rc = vnc_display_password(NULL, password);
302 error_set(errp, QERR_SET_PASSWD_FAILED);
307 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
310 void qmp_expire_password(const char *protocol, const char *whenstr,
316 if (strcmp(whenstr, "now") == 0) {
318 } else if (strcmp(whenstr, "never") == 0) {
320 } else if (whenstr[0] == '+') {
321 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
323 when = strtoull(whenstr, NULL, 10);
326 if (strcmp(protocol, "spice") == 0) {
328 /* correct one? spice isn't a device ,,, */
329 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
332 rc = qemu_spice_set_pw_expire(when);
334 error_set(errp, QERR_SET_PASSWD_FAILED);
339 if (strcmp(protocol, "vnc") == 0) {
340 rc = vnc_display_pw_expire(NULL, when);
342 error_set(errp, QERR_SET_PASSWD_FAILED);
347 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
351 void qmp_change_vnc_password(const char *password, Error **errp)
353 if (vnc_display_password(NULL, password) < 0) {
354 error_set(errp, QERR_SET_PASSWD_FAILED);
358 static void qmp_change_vnc_listen(const char *target, Error **errp)
360 vnc_display_open(NULL, target, errp);
363 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
366 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
368 error_set(errp, QERR_MISSING_PARAMETER, "password");
370 qmp_change_vnc_password(arg, errp);
373 qmp_change_vnc_listen(target, errp);
377 void qmp_change_vnc_password(const char *password, Error **errp)
379 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
381 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
384 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
386 #endif /* !CONFIG_VNC */
388 void qmp_change(const char *device, const char *target,
389 bool has_arg, const char *arg, Error **err)
391 if (strcmp(device, "vnc") == 0) {
392 qmp_change_vnc(target, has_arg, arg, err);
394 qmp_change_blockdev(device, target, has_arg, arg, err);
398 static void qom_list_types_tramp(ObjectClass *klass, void *data)
400 ObjectTypeInfoList *e, **pret = data;
401 ObjectTypeInfo *info;
403 info = g_malloc0(sizeof(*info));
404 info->name = g_strdup(object_class_get_name(klass));
406 e = g_malloc0(sizeof(*e));
412 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
413 const char *implements,
418 ObjectTypeInfoList *ret = NULL;
420 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
425 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
430 DevicePropertyInfoList *prop_list = NULL;
432 klass = object_class_by_name(typename);
434 error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
438 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
440 error_set(errp, QERR_INVALID_PARAMETER_VALUE,
441 "name", TYPE_DEVICE);
446 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
447 DevicePropertyInfoList *entry;
448 DevicePropertyInfo *info;
451 * TODO Properties without a parser are just for dirty hacks.
452 * qdev_prop_ptr is the only such PropertyInfo. It's marked
453 * for removal. This conditional should be removed along with
456 if (!prop->info->set) {
457 continue; /* no way to set it, don't show */
460 info = g_malloc0(sizeof(*info));
461 info->name = g_strdup(prop->name);
462 info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
464 entry = g_malloc0(sizeof(*entry));
466 entry->next = prop_list;
469 klass = object_class_get_parent(klass);
470 } while (klass != object_class_by_name(TYPE_DEVICE));
475 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
477 return arch_query_cpu_definitions(errp);
480 void qmp_add_client(const char *protocol, const char *fdname,
481 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
487 fd = monitor_get_fd(cur_mon, fdname, errp);
492 if (strcmp(protocol, "spice") == 0) {
494 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
498 skipauth = has_skipauth ? skipauth : false;
499 tls = has_tls ? tls : false;
500 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
501 error_setg(errp, "spice failed to add client");
506 } else if (strcmp(protocol, "vnc") == 0) {
507 skipauth = has_skipauth ? skipauth : false;
508 vnc_display_add_client(NULL, fd, skipauth);
511 } else if ((s = qemu_chr_find(protocol)) != NULL) {
512 if (qemu_chr_add_client(s, fd) < 0) {
513 error_setg(errp, "failed to add client");
520 error_setg(errp, "protocol '%s' is invalid", protocol);