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/osdep.h"
17 #include "qemu/cutils.h"
18 #include "monitor/monitor.h"
19 #include "sysemu/sysemu.h"
20 #include "qmp-commands.h"
21 #include "sysemu/char.h"
22 #include "ui/qemu-spice.h"
24 #include "sysemu/kvm.h"
25 #include "sysemu/arch_init.h"
27 #include "sysemu/blockdev.h"
28 #include "sysemu/block-backend.h"
29 #include "qom/qom-qobject.h"
30 #include "qapi/qmp/qerror.h"
31 #include "qapi/qmp/qobject.h"
32 #include "qapi/qmp-input-visitor.h"
33 #include "hw/boards.h"
34 #include "qom/object_interfaces.h"
35 #include "hw/mem/pc-dimm.h"
36 #include "hw/acpi/acpi_dev_interface.h"
38 NameInfo *qmp_query_name(Error **errp)
40 NameInfo *info = g_malloc0(sizeof(*info));
43 info->has_name = true;
44 info->name = g_strdup(qemu_name);
50 VersionInfo *qmp_query_version(Error **errp)
52 VersionInfo *info = g_new0(VersionInfo, 1);
53 const char *version = QEMU_VERSION;
57 info->qemu = g_new0(VersionTriple, 1);
58 err = qemu_strtoll(version, &tmp, 10, &info->qemu->major);
62 err = qemu_strtoll(tmp, &tmp, 10, &info->qemu->minor);
66 err = qemu_strtoll(tmp, &tmp, 10, &info->qemu->micro);
68 info->package = g_strdup(QEMU_PKGVERSION);
73 KvmInfo *qmp_query_kvm(Error **errp)
75 KvmInfo *info = g_malloc0(sizeof(*info));
77 info->enabled = kvm_enabled();
78 info->present = kvm_available();
83 UuidInfo *qmp_query_uuid(Error **errp)
85 UuidInfo *info = g_malloc0(sizeof(*info));
88 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
89 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
90 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
91 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
92 qemu_uuid[14], qemu_uuid[15]);
94 info->UUID = g_strdup(uuid);
98 void qmp_quit(Error **errp)
101 qemu_system_shutdown_request();
104 void qmp_stop(Error **errp)
106 /* if there is a dump in background, we should wait until the dump
108 if (dump_in_progress()) {
109 error_setg(errp, "There is a dump in process, please wait.");
113 if (runstate_check(RUN_STATE_INMIGRATE)) {
116 vm_stop(RUN_STATE_PAUSED);
120 void qmp_system_reset(Error **errp)
122 qemu_system_reset_request();
125 void qmp_system_powerdown(Error **erp)
127 qemu_system_powerdown_request();
130 void qmp_cpu(int64_t index, Error **errp)
132 /* Just do nothing */
135 void qmp_cpu_add(int64_t id, Error **errp)
139 mc = MACHINE_GET_CLASS(current_machine);
140 if (mc->hot_add_cpu) {
141 mc->hot_add_cpu(id, errp);
143 error_setg(errp, "Not supported");
148 /* If VNC support is enabled, the "true" query-vnc command is
149 defined in the VNC subsystem */
150 VncInfo *qmp_query_vnc(Error **errp)
152 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
156 VncInfo2List *qmp_query_vnc_servers(Error **errp)
158 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
165 * qmp-commands.hx ensures that QMP command query-spice exists only
166 * #ifdef CONFIG_SPICE. Necessary for an accurate query-commands
167 * result. However, the QAPI schema is blissfully unaware of that,
168 * and the QAPI code generator happily generates a dead
169 * qmp_marshal_query_spice() that calls qmp_query_spice(). Provide it
170 * one, or else linking fails. FIXME Educate the QAPI schema on
173 SpiceInfo *qmp_query_spice(Error **errp)
179 void qmp_cont(Error **errp)
181 Error *local_err = NULL;
183 BlockDriverState *bs;
185 /* if there is a dump in background, we should wait until the dump
187 if (dump_in_progress()) {
188 error_setg(errp, "There is a dump in process, please wait.");
192 if (runstate_needs_reset()) {
193 error_setg(errp, "Resetting the Virtual Machine is required");
195 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
199 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
200 blk_iostatus_reset(blk);
202 for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
203 bdrv_add_key(bs, NULL, &local_err);
205 error_propagate(errp, local_err);
210 /* Continuing after completed migration. Images have been inactivated to
211 * allow the destination to take control. Need to get control back now. */
212 if (runstate_check(RUN_STATE_FINISH_MIGRATE) ||
213 runstate_check(RUN_STATE_POSTMIGRATE))
215 bdrv_invalidate_cache_all(&local_err);
217 error_propagate(errp, local_err);
222 if (runstate_check(RUN_STATE_INMIGRATE)) {
229 void qmp_system_wakeup(Error **errp)
231 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
234 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
237 bool ambiguous = false;
238 ObjectPropertyInfoList *props = NULL;
239 ObjectProperty *prop;
240 ObjectPropertyIterator iter;
242 obj = object_resolve_path(path, &ambiguous);
245 error_setg(errp, "Path '%s' is ambiguous", path);
247 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
248 "Device '%s' not found", path);
253 object_property_iter_init(&iter, obj);
254 while ((prop = object_property_iter_next(&iter))) {
255 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
257 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
261 entry->value->name = g_strdup(prop->name);
262 entry->value->type = g_strdup(prop->type);
268 void qmp_qom_set(const char *path, const char *property, QObject *value,
273 obj = object_resolve_path(path, NULL);
275 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
276 "Device '%s' not found", path);
280 object_property_set_qobject(obj, value, property, errp);
283 QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
287 obj = object_resolve_path(path, NULL);
289 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
290 "Device '%s' not found", path);
294 return object_property_get_qobject(obj, property, errp);
297 void qmp_set_password(const char *protocol, const char *password,
298 bool has_connected, const char *connected, Error **errp)
300 int disconnect_if_connected = 0;
301 int fail_if_connected = 0;
305 if (strcmp(connected, "fail") == 0) {
306 fail_if_connected = 1;
307 } else if (strcmp(connected, "disconnect") == 0) {
308 disconnect_if_connected = 1;
309 } else if (strcmp(connected, "keep") == 0) {
312 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
317 if (strcmp(protocol, "spice") == 0) {
318 if (!qemu_using_spice(errp)) {
321 rc = qemu_spice_set_passwd(password, fail_if_connected,
322 disconnect_if_connected);
324 error_setg(errp, QERR_SET_PASSWD_FAILED);
329 if (strcmp(protocol, "vnc") == 0) {
330 if (fail_if_connected || disconnect_if_connected) {
331 /* vnc supports "connected=keep" only */
332 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
335 /* Note that setting an empty password will not disable login through
337 rc = vnc_display_password(NULL, password);
339 error_setg(errp, QERR_SET_PASSWD_FAILED);
344 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
347 void qmp_expire_password(const char *protocol, const char *whenstr,
353 if (strcmp(whenstr, "now") == 0) {
355 } else if (strcmp(whenstr, "never") == 0) {
357 } else if (whenstr[0] == '+') {
358 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
360 when = strtoull(whenstr, NULL, 10);
363 if (strcmp(protocol, "spice") == 0) {
364 if (!qemu_using_spice(errp)) {
367 rc = qemu_spice_set_pw_expire(when);
369 error_setg(errp, QERR_SET_PASSWD_FAILED);
374 if (strcmp(protocol, "vnc") == 0) {
375 rc = vnc_display_pw_expire(NULL, when);
377 error_setg(errp, QERR_SET_PASSWD_FAILED);
382 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
386 void qmp_change_vnc_password(const char *password, Error **errp)
388 if (vnc_display_password(NULL, password) < 0) {
389 error_setg(errp, QERR_SET_PASSWD_FAILED);
393 static void qmp_change_vnc_listen(const char *target, Error **errp)
395 QemuOptsList *olist = qemu_find_opts("vnc");
398 if (strstr(target, "id=")) {
399 error_setg(errp, "id not supported");
403 opts = qemu_opts_find(olist, "default");
407 opts = vnc_parse(target, errp);
412 vnc_display_open("default", errp);
415 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
418 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
420 error_setg(errp, QERR_MISSING_PARAMETER, "password");
422 qmp_change_vnc_password(arg, errp);
425 qmp_change_vnc_listen(target, errp);
429 void qmp_change_vnc_password(const char *password, Error **errp)
431 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
433 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
436 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
438 #endif /* !CONFIG_VNC */
440 void qmp_change(const char *device, const char *target,
441 bool has_arg, const char *arg, Error **errp)
443 if (strcmp(device, "vnc") == 0) {
444 qmp_change_vnc(target, has_arg, arg, errp);
446 qmp_blockdev_change_medium(device, target, has_arg, arg, false, 0,
451 static void qom_list_types_tramp(ObjectClass *klass, void *data)
453 ObjectTypeInfoList *e, **pret = data;
454 ObjectTypeInfo *info;
456 info = g_malloc0(sizeof(*info));
457 info->name = g_strdup(object_class_get_name(klass));
459 e = g_malloc0(sizeof(*e));
465 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
466 const char *implements,
471 ObjectTypeInfoList *ret = NULL;
473 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
478 /* Return a DevicePropertyInfo for a qdev property.
480 * If a qdev property with the given name does not exist, use the given default
481 * type. If the qdev property info should not be shown, return NULL.
483 * The caller must free the return value.
485 static DevicePropertyInfo *make_device_property_info(ObjectClass *klass,
487 const char *default_type,
488 const char *description)
490 DevicePropertyInfo *info;
494 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
495 if (strcmp(name, prop->name) != 0) {
500 * TODO Properties without a parser are just for dirty hacks.
501 * qdev_prop_ptr is the only such PropertyInfo. It's marked
502 * for removal. This conditional should be removed along with
505 if (!prop->info->set) {
506 return NULL; /* no way to set it, don't show */
509 info = g_malloc0(sizeof(*info));
510 info->name = g_strdup(prop->name);
511 info->type = g_strdup(prop->info->name);
512 info->has_description = !!prop->info->description;
513 info->description = g_strdup(prop->info->description);
516 klass = object_class_get_parent(klass);
517 } while (klass != object_class_by_name(TYPE_DEVICE));
519 /* Not a qdev property, use the default type */
520 info = g_malloc0(sizeof(*info));
521 info->name = g_strdup(name);
522 info->type = g_strdup(default_type);
523 info->has_description = !!description;
524 info->description = g_strdup(description);
529 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
534 ObjectProperty *prop;
535 ObjectPropertyIterator iter;
536 DevicePropertyInfoList *prop_list = NULL;
538 klass = object_class_by_name(typename);
540 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
541 "Device '%s' not found", typename);
545 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
547 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "name", TYPE_DEVICE);
551 if (object_class_is_abstract(klass)) {
552 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "name",
553 "non-abstract device type");
557 if (DEVICE_CLASS(klass)->cannot_destroy_with_object_finalize_yet) {
558 error_setg(errp, "Can't list properties of device '%s'", typename);
562 obj = object_new(typename);
564 object_property_iter_init(&iter, obj);
565 while ((prop = object_property_iter_next(&iter))) {
566 DevicePropertyInfo *info;
567 DevicePropertyInfoList *entry;
569 /* Skip Object and DeviceState properties */
570 if (strcmp(prop->name, "type") == 0 ||
571 strcmp(prop->name, "realized") == 0 ||
572 strcmp(prop->name, "hotpluggable") == 0 ||
573 strcmp(prop->name, "hotplugged") == 0 ||
574 strcmp(prop->name, "parent_bus") == 0) {
578 /* Skip legacy properties since they are just string versions of
579 * properties that we already list.
581 if (strstart(prop->name, "legacy-", NULL)) {
585 info = make_device_property_info(klass, prop->name, prop->type,
591 entry = g_malloc0(sizeof(*entry));
593 entry->next = prop_list;
602 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
604 return arch_query_cpu_definitions(errp);
607 void qmp_add_client(const char *protocol, const char *fdname,
608 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
614 fd = monitor_get_fd(cur_mon, fdname, errp);
619 if (strcmp(protocol, "spice") == 0) {
620 if (!qemu_using_spice(errp)) {
624 skipauth = has_skipauth ? skipauth : false;
625 tls = has_tls ? tls : false;
626 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
627 error_setg(errp, "spice failed to add client");
632 } else if (strcmp(protocol, "vnc") == 0) {
633 skipauth = has_skipauth ? skipauth : false;
634 vnc_display_add_client(NULL, fd, skipauth);
637 } else if ((s = qemu_chr_find(protocol)) != NULL) {
638 if (qemu_chr_add_client(s, fd) < 0) {
639 error_setg(errp, "failed to add client");
646 error_setg(errp, "protocol '%s' is invalid", protocol);
651 void qmp_object_add(const char *type, const char *id,
652 bool has_props, QObject *props, Error **errp)
654 const QDict *pdict = NULL;
655 QmpInputVisitor *qiv;
659 pdict = qobject_to_qdict(props);
661 error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
666 qiv = qmp_input_visitor_new(props, true);
667 obj = user_creatable_add_type(type, id, pdict,
668 qmp_input_get_visitor(qiv), errp);
669 qmp_input_visitor_cleanup(qiv);
675 void qmp_object_del(const char *id, Error **errp)
677 user_creatable_del(id, errp);
680 MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp)
682 MemoryDeviceInfoList *head = NULL;
683 MemoryDeviceInfoList **prev = &head;
685 qmp_pc_dimm_device_list(qdev_get_machine(), &prev);
690 ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp)
693 ACPIOSTInfoList *head = NULL;
694 ACPIOSTInfoList **prev = &head;
695 Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig);
698 AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
699 AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj);
701 adevc->ospm_status(adev, &prev);
703 error_setg(errp, "command is not supported, missing ACPI device");