cpu: Move the softmmu tlb to CPUNegativeOffsetState
[qemu/ar7.git] / qmp.c
blobfa1b3c15773764f54204a57114a20a206fb4f089
1 /*
2 * QEMU Management Protocol
4 * Copyright IBM, Corp. 2011
6 * Authors:
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-version.h"
18 #include "qemu/cutils.h"
19 #include "qemu/option.h"
20 #include "monitor/monitor.h"
21 #include "sysemu/sysemu.h"
22 #include "qemu/config-file.h"
23 #include "qemu/uuid.h"
24 #include "chardev/char.h"
25 #include "ui/qemu-spice.h"
26 #include "ui/vnc.h"
27 #include "sysemu/kvm.h"
28 #include "sysemu/arch_init.h"
29 #include "hw/qdev.h"
30 #include "sysemu/blockdev.h"
31 #include "sysemu/block-backend.h"
32 #include "qom/qom-qobject.h"
33 #include "qapi/error.h"
34 #include "qapi/qapi-commands-block-core.h"
35 #include "qapi/qapi-commands-misc.h"
36 #include "qapi/qapi-commands-ui.h"
37 #include "qapi/qmp/qdict.h"
38 #include "qapi/qmp/qerror.h"
39 #include "qapi/qobject-input-visitor.h"
40 #include "hw/boards.h"
41 #include "qom/object_interfaces.h"
42 #include "hw/mem/memory-device.h"
43 #include "hw/acpi/acpi_dev_interface.h"
45 NameInfo *qmp_query_name(Error **errp)
47 NameInfo *info = g_malloc0(sizeof(*info));
49 if (qemu_name) {
50 info->has_name = true;
51 info->name = g_strdup(qemu_name);
54 return info;
57 VersionInfo *qmp_query_version(Error **errp)
59 VersionInfo *info = g_new0(VersionInfo, 1);
61 info->qemu = g_new0(VersionTriple, 1);
62 info->qemu->major = QEMU_VERSION_MAJOR;
63 info->qemu->minor = QEMU_VERSION_MINOR;
64 info->qemu->micro = QEMU_VERSION_MICRO;
65 info->package = g_strdup(QEMU_PKGVERSION);
67 return info;
70 KvmInfo *qmp_query_kvm(Error **errp)
72 KvmInfo *info = g_malloc0(sizeof(*info));
74 info->enabled = kvm_enabled();
75 info->present = kvm_available();
77 return info;
80 UuidInfo *qmp_query_uuid(Error **errp)
82 UuidInfo *info = g_malloc0(sizeof(*info));
84 info->UUID = qemu_uuid_unparse_strdup(&qemu_uuid);
85 return info;
88 void qmp_quit(Error **errp)
90 no_shutdown = 0;
91 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_QMP_QUIT);
94 void qmp_stop(Error **errp)
96 /* if there is a dump in background, we should wait until the dump
97 * finished */
98 if (dump_in_progress()) {
99 error_setg(errp, "There is a dump in process, please wait.");
100 return;
103 if (runstate_check(RUN_STATE_INMIGRATE)) {
104 autostart = 0;
105 } else {
106 vm_stop(RUN_STATE_PAUSED);
110 void qmp_system_reset(Error **errp)
112 qemu_system_reset_request(SHUTDOWN_CAUSE_HOST_QMP_SYSTEM_RESET);
115 void qmp_system_powerdown(Error **erp)
117 qemu_system_powerdown_request();
120 void qmp_cpu_add(int64_t id, Error **errp)
122 MachineClass *mc;
124 mc = MACHINE_GET_CLASS(current_machine);
125 if (mc->hot_add_cpu) {
126 mc->hot_add_cpu(id, errp);
127 } else {
128 error_setg(errp, "Not supported");
132 void qmp_x_exit_preconfig(Error **errp)
134 if (!runstate_check(RUN_STATE_PRECONFIG)) {
135 error_setg(errp, "The command is permitted only in '%s' state",
136 RunState_str(RUN_STATE_PRECONFIG));
137 return;
139 qemu_exit_preconfig_request();
142 void qmp_cont(Error **errp)
144 BlockBackend *blk;
145 Error *local_err = NULL;
147 /* if there is a dump in background, we should wait until the dump
148 * finished */
149 if (dump_in_progress()) {
150 error_setg(errp, "There is a dump in process, please wait.");
151 return;
154 if (runstate_needs_reset()) {
155 error_setg(errp, "Resetting the Virtual Machine is required");
156 return;
157 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
158 return;
159 } else if (runstate_check(RUN_STATE_FINISH_MIGRATE)) {
160 error_setg(errp, "Migration is not finalized yet");
161 return;
164 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
165 blk_iostatus_reset(blk);
168 /* Continuing after completed migration. Images have been inactivated to
169 * allow the destination to take control. Need to get control back now.
171 * If there are no inactive block nodes (e.g. because the VM was just
172 * paused rather than completing a migration), bdrv_inactivate_all() simply
173 * doesn't do anything. */
174 bdrv_invalidate_cache_all(&local_err);
175 if (local_err) {
176 error_propagate(errp, local_err);
177 return;
180 if (runstate_check(RUN_STATE_INMIGRATE)) {
181 autostart = 1;
182 } else {
183 vm_start();
187 void qmp_system_wakeup(Error **errp)
189 if (!qemu_wakeup_suspend_enabled()) {
190 error_setg(errp,
191 "wake-up from suspend is not supported by this guest");
192 return;
195 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, errp);
198 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
200 Object *obj;
201 bool ambiguous = false;
202 ObjectPropertyInfoList *props = NULL;
203 ObjectProperty *prop;
204 ObjectPropertyIterator iter;
206 obj = object_resolve_path(path, &ambiguous);
207 if (obj == NULL) {
208 if (ambiguous) {
209 error_setg(errp, "Path '%s' is ambiguous", path);
210 } else {
211 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
212 "Device '%s' not found", path);
214 return NULL;
217 object_property_iter_init(&iter, obj);
218 while ((prop = object_property_iter_next(&iter))) {
219 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
221 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
222 entry->next = props;
223 props = entry;
225 entry->value->name = g_strdup(prop->name);
226 entry->value->type = g_strdup(prop->type);
229 return props;
232 void qmp_qom_set(const char *path, const char *property, QObject *value,
233 Error **errp)
235 Object *obj;
237 obj = object_resolve_path(path, NULL);
238 if (!obj) {
239 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
240 "Device '%s' not found", path);
241 return;
244 object_property_set_qobject(obj, value, property, errp);
247 QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
249 Object *obj;
251 obj = object_resolve_path(path, NULL);
252 if (!obj) {
253 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
254 "Device '%s' not found", path);
255 return NULL;
258 return object_property_get_qobject(obj, property, errp);
261 void qmp_set_password(const char *protocol, const char *password,
262 bool has_connected, const char *connected, Error **errp)
264 int disconnect_if_connected = 0;
265 int fail_if_connected = 0;
266 int rc;
268 if (has_connected) {
269 if (strcmp(connected, "fail") == 0) {
270 fail_if_connected = 1;
271 } else if (strcmp(connected, "disconnect") == 0) {
272 disconnect_if_connected = 1;
273 } else if (strcmp(connected, "keep") == 0) {
274 /* nothing */
275 } else {
276 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
277 return;
281 if (strcmp(protocol, "spice") == 0) {
282 if (!qemu_using_spice(errp)) {
283 return;
285 rc = qemu_spice_set_passwd(password, fail_if_connected,
286 disconnect_if_connected);
287 if (rc != 0) {
288 error_setg(errp, QERR_SET_PASSWD_FAILED);
290 return;
293 if (strcmp(protocol, "vnc") == 0) {
294 if (fail_if_connected || disconnect_if_connected) {
295 /* vnc supports "connected=keep" only */
296 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
297 return;
299 /* Note that setting an empty password will not disable login through
300 * this interface. */
301 rc = vnc_display_password(NULL, password);
302 if (rc < 0) {
303 error_setg(errp, QERR_SET_PASSWD_FAILED);
305 return;
308 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
311 void qmp_expire_password(const char *protocol, const char *whenstr,
312 Error **errp)
314 time_t when;
315 int rc;
317 if (strcmp(whenstr, "now") == 0) {
318 when = 0;
319 } else if (strcmp(whenstr, "never") == 0) {
320 when = TIME_MAX;
321 } else if (whenstr[0] == '+') {
322 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
323 } else {
324 when = strtoull(whenstr, NULL, 10);
327 if (strcmp(protocol, "spice") == 0) {
328 if (!qemu_using_spice(errp)) {
329 return;
331 rc = qemu_spice_set_pw_expire(when);
332 if (rc != 0) {
333 error_setg(errp, QERR_SET_PASSWD_FAILED);
335 return;
338 if (strcmp(protocol, "vnc") == 0) {
339 rc = vnc_display_pw_expire(NULL, when);
340 if (rc != 0) {
341 error_setg(errp, QERR_SET_PASSWD_FAILED);
343 return;
346 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
349 #ifdef CONFIG_VNC
350 void qmp_change_vnc_password(const char *password, Error **errp)
352 if (vnc_display_password(NULL, password) < 0) {
353 error_setg(errp, QERR_SET_PASSWD_FAILED);
357 static void qmp_change_vnc_listen(const char *target, Error **errp)
359 QemuOptsList *olist = qemu_find_opts("vnc");
360 QemuOpts *opts;
362 if (strstr(target, "id=")) {
363 error_setg(errp, "id not supported");
364 return;
367 opts = qemu_opts_find(olist, "default");
368 if (opts) {
369 qemu_opts_del(opts);
371 opts = vnc_parse(target, errp);
372 if (!opts) {
373 return;
376 vnc_display_open("default", errp);
379 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
380 Error **errp)
382 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
383 if (!has_arg) {
384 error_setg(errp, QERR_MISSING_PARAMETER, "password");
385 } else {
386 qmp_change_vnc_password(arg, errp);
388 } else {
389 qmp_change_vnc_listen(target, errp);
392 #endif /* !CONFIG_VNC */
394 void qmp_change(const char *device, const char *target,
395 bool has_arg, const char *arg, Error **errp)
397 if (strcmp(device, "vnc") == 0) {
398 #ifdef CONFIG_VNC
399 qmp_change_vnc(target, has_arg, arg, errp);
400 #else
401 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
402 #endif
403 } else {
404 qmp_blockdev_change_medium(true, device, false, NULL, target,
405 has_arg, arg, false, 0, errp);
409 static void qom_list_types_tramp(ObjectClass *klass, void *data)
411 ObjectTypeInfoList *e, **pret = data;
412 ObjectTypeInfo *info;
413 ObjectClass *parent = object_class_get_parent(klass);
415 info = g_malloc0(sizeof(*info));
416 info->name = g_strdup(object_class_get_name(klass));
417 info->has_abstract = info->abstract = object_class_is_abstract(klass);
418 if (parent) {
419 info->has_parent = true;
420 info->parent = g_strdup(object_class_get_name(parent));
423 e = g_malloc0(sizeof(*e));
424 e->value = info;
425 e->next = *pret;
426 *pret = e;
429 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
430 const char *implements,
431 bool has_abstract,
432 bool abstract,
433 Error **errp)
435 ObjectTypeInfoList *ret = NULL;
437 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
439 return ret;
442 /* Return a DevicePropertyInfo for a qdev property.
444 * If a qdev property with the given name does not exist, use the given default
445 * type. If the qdev property info should not be shown, return NULL.
447 * The caller must free the return value.
449 static ObjectPropertyInfo *make_device_property_info(ObjectClass *klass,
450 const char *name,
451 const char *default_type,
452 const char *description)
454 ObjectPropertyInfo *info;
455 Property *prop;
457 do {
458 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
459 if (strcmp(name, prop->name) != 0) {
460 continue;
464 * TODO Properties without a parser are just for dirty hacks.
465 * qdev_prop_ptr is the only such PropertyInfo. It's marked
466 * for removal. This conditional should be removed along with
467 * it.
469 if (!prop->info->set && !prop->info->create) {
470 return NULL; /* no way to set it, don't show */
473 info = g_malloc0(sizeof(*info));
474 info->name = g_strdup(prop->name);
475 info->type = default_type ? g_strdup(default_type)
476 : g_strdup(prop->info->name);
477 info->has_description = !!prop->info->description;
478 info->description = g_strdup(prop->info->description);
479 return info;
481 klass = object_class_get_parent(klass);
482 } while (klass != object_class_by_name(TYPE_DEVICE));
484 /* Not a qdev property, use the default type */
485 info = g_malloc0(sizeof(*info));
486 info->name = g_strdup(name);
487 info->type = g_strdup(default_type);
488 info->has_description = !!description;
489 info->description = g_strdup(description);
491 return info;
494 ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
495 Error **errp)
497 ObjectClass *klass;
498 Object *obj;
499 ObjectProperty *prop;
500 ObjectPropertyIterator iter;
501 ObjectPropertyInfoList *prop_list = NULL;
503 klass = object_class_by_name(typename);
504 if (klass == NULL) {
505 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
506 "Device '%s' not found", typename);
507 return NULL;
510 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
511 if (klass == NULL) {
512 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_DEVICE);
513 return NULL;
516 if (object_class_is_abstract(klass)) {
517 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
518 "non-abstract device type");
519 return NULL;
522 obj = object_new(typename);
524 object_property_iter_init(&iter, obj);
525 while ((prop = object_property_iter_next(&iter))) {
526 ObjectPropertyInfo *info;
527 ObjectPropertyInfoList *entry;
529 /* Skip Object and DeviceState properties */
530 if (strcmp(prop->name, "type") == 0 ||
531 strcmp(prop->name, "realized") == 0 ||
532 strcmp(prop->name, "hotpluggable") == 0 ||
533 strcmp(prop->name, "hotplugged") == 0 ||
534 strcmp(prop->name, "parent_bus") == 0) {
535 continue;
538 /* Skip legacy properties since they are just string versions of
539 * properties that we already list.
541 if (strstart(prop->name, "legacy-", NULL)) {
542 continue;
545 info = make_device_property_info(klass, prop->name, prop->type,
546 prop->description);
547 if (!info) {
548 continue;
551 entry = g_malloc0(sizeof(*entry));
552 entry->value = info;
553 entry->next = prop_list;
554 prop_list = entry;
557 object_unref(obj);
559 return prop_list;
562 ObjectPropertyInfoList *qmp_qom_list_properties(const char *typename,
563 Error **errp)
565 ObjectClass *klass;
566 Object *obj = NULL;
567 ObjectProperty *prop;
568 ObjectPropertyIterator iter;
569 ObjectPropertyInfoList *prop_list = NULL;
571 klass = object_class_by_name(typename);
572 if (klass == NULL) {
573 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
574 "Class '%s' not found", typename);
575 return NULL;
578 klass = object_class_dynamic_cast(klass, TYPE_OBJECT);
579 if (klass == NULL) {
580 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_OBJECT);
581 return NULL;
584 if (object_class_is_abstract(klass)) {
585 object_class_property_iter_init(&iter, klass);
586 } else {
587 obj = object_new(typename);
588 object_property_iter_init(&iter, obj);
590 while ((prop = object_property_iter_next(&iter))) {
591 ObjectPropertyInfo *info;
592 ObjectPropertyInfoList *entry;
594 info = g_malloc0(sizeof(*info));
595 info->name = g_strdup(prop->name);
596 info->type = g_strdup(prop->type);
597 info->has_description = !!prop->description;
598 info->description = g_strdup(prop->description);
600 entry = g_malloc0(sizeof(*entry));
601 entry->value = info;
602 entry->next = prop_list;
603 prop_list = entry;
606 object_unref(obj);
608 return prop_list;
611 void qmp_add_client(const char *protocol, const char *fdname,
612 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
613 Error **errp)
615 Chardev *s;
616 int fd;
618 fd = monitor_get_fd(cur_mon, fdname, errp);
619 if (fd < 0) {
620 return;
623 if (strcmp(protocol, "spice") == 0) {
624 if (!qemu_using_spice(errp)) {
625 close(fd);
626 return;
628 skipauth = has_skipauth ? skipauth : false;
629 tls = has_tls ? tls : false;
630 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
631 error_setg(errp, "spice failed to add client");
632 close(fd);
634 return;
635 #ifdef CONFIG_VNC
636 } else if (strcmp(protocol, "vnc") == 0) {
637 skipauth = has_skipauth ? skipauth : false;
638 vnc_display_add_client(NULL, fd, skipauth);
639 return;
640 #endif
641 } else if ((s = qemu_chr_find(protocol)) != NULL) {
642 if (qemu_chr_add_client(s, fd) < 0) {
643 error_setg(errp, "failed to add client");
644 close(fd);
645 return;
647 return;
650 error_setg(errp, "protocol '%s' is invalid", protocol);
651 close(fd);
655 void qmp_object_add(const char *type, const char *id,
656 bool has_props, QObject *props, Error **errp)
658 QDict *pdict;
659 Visitor *v;
660 Object *obj;
662 if (props) {
663 pdict = qobject_to(QDict, props);
664 if (!pdict) {
665 error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
666 return;
668 qobject_ref(pdict);
669 } else {
670 pdict = qdict_new();
673 v = qobject_input_visitor_new(QOBJECT(pdict));
674 obj = user_creatable_add_type(type, id, pdict, v, errp);
675 visit_free(v);
676 if (obj) {
677 object_unref(obj);
679 qobject_unref(pdict);
682 void qmp_object_del(const char *id, Error **errp)
684 user_creatable_del(id, errp);
687 MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp)
689 return qmp_memory_device_list();
692 ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp)
694 bool ambig;
695 ACPIOSTInfoList *head = NULL;
696 ACPIOSTInfoList **prev = &head;
697 Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig);
699 if (obj) {
700 AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
701 AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj);
703 adevc->ospm_status(adev, &prev);
704 } else {
705 error_setg(errp, "command is not supported, missing ACPI device");
708 return head;
711 MemoryInfo *qmp_query_memory_size_summary(Error **errp)
713 MemoryInfo *mem_info = g_malloc0(sizeof(MemoryInfo));
715 mem_info->base_memory = ram_size;
717 mem_info->plugged_memory = get_plugged_memory_size();
718 mem_info->has_plugged_memory =
719 mem_info->plugged_memory != (uint64_t)-1;
721 return mem_info;