qemu-log: Add new log category for guest bugs
[qemu/pbrook.git] / qmp.c
blob36c54c57cfde6074f7db92d57cccfd319f8bea7d
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-common.h"
17 #include "sysemu.h"
18 #include "qmp-commands.h"
19 #include "ui/qemu-spice.h"
20 #include "ui/vnc.h"
21 #include "kvm.h"
22 #include "arch_init.h"
23 #include "hw/qdev.h"
24 #include "blockdev.h"
25 #include "qemu/qom-qobject.h"
27 NameInfo *qmp_query_name(Error **errp)
29 NameInfo *info = g_malloc0(sizeof(*info));
31 if (qemu_name) {
32 info->has_name = true;
33 info->name = g_strdup(qemu_name);
36 return info;
39 VersionInfo *qmp_query_version(Error **err)
41 VersionInfo *info = g_malloc0(sizeof(*info));
42 const char *version = QEMU_VERSION;
43 char *tmp;
45 info->qemu.major = strtol(version, &tmp, 10);
46 tmp++;
47 info->qemu.minor = strtol(tmp, &tmp, 10);
48 tmp++;
49 info->qemu.micro = strtol(tmp, &tmp, 10);
50 info->package = g_strdup(QEMU_PKGVERSION);
52 return info;
55 KvmInfo *qmp_query_kvm(Error **errp)
57 KvmInfo *info = g_malloc0(sizeof(*info));
59 info->enabled = kvm_enabled();
60 info->present = kvm_available();
62 return info;
65 UuidInfo *qmp_query_uuid(Error **errp)
67 UuidInfo *info = g_malloc0(sizeof(*info));
68 char uuid[64];
70 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
71 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
72 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
73 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
74 qemu_uuid[14], qemu_uuid[15]);
76 info->UUID = g_strdup(uuid);
77 return info;
80 void qmp_quit(Error **err)
82 no_shutdown = 0;
83 qemu_system_shutdown_request();
86 void qmp_stop(Error **errp)
88 vm_stop(RUN_STATE_PAUSED);
91 void qmp_system_reset(Error **errp)
93 qemu_system_reset_request();
96 void qmp_system_powerdown(Error **erp)
98 qemu_system_powerdown_request();
101 void qmp_cpu(int64_t index, Error **errp)
103 /* Just do nothing */
106 #ifndef CONFIG_VNC
107 /* If VNC support is enabled, the "true" query-vnc command is
108 defined in the VNC subsystem */
109 VncInfo *qmp_query_vnc(Error **errp)
111 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
112 return NULL;
114 #endif
116 #ifndef CONFIG_SPICE
117 /* If SPICE support is enabled, the "true" query-spice command is
118 defined in the SPICE subsystem. Also note that we use a small
119 trick to maintain query-spice's original behavior, which is not
120 to be available in the namespace if SPICE is not compiled in */
121 SpiceInfo *qmp_query_spice(Error **errp)
123 error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
124 return NULL;
126 #endif
128 static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
130 bdrv_iostatus_reset(bs);
133 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
135 Error **err = opaque;
137 if (!error_is_set(err) && bdrv_key_required(bs)) {
138 error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
139 bdrv_get_encrypted_filename(bs));
143 void qmp_cont(Error **errp)
145 Error *local_err = NULL;
147 if (runstate_check(RUN_STATE_INMIGRATE)) {
148 error_set(errp, QERR_MIGRATION_EXPECTED);
149 return;
150 } else if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
151 runstate_check(RUN_STATE_SHUTDOWN)) {
152 error_set(errp, QERR_RESET_REQUIRED);
153 return;
154 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
155 return;
158 bdrv_iterate(iostatus_bdrv_it, NULL);
159 bdrv_iterate(encrypted_bdrv_it, &local_err);
160 if (local_err) {
161 error_propagate(errp, local_err);
162 return;
165 vm_start();
168 void qmp_system_wakeup(Error **errp)
170 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
173 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
175 Object *obj;
176 bool ambiguous = false;
177 ObjectPropertyInfoList *props = NULL;
178 ObjectProperty *prop;
180 obj = object_resolve_path(path, &ambiguous);
181 if (obj == NULL) {
182 error_set(errp, QERR_DEVICE_NOT_FOUND, path);
183 return NULL;
186 QTAILQ_FOREACH(prop, &obj->properties, node) {
187 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
189 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
190 entry->next = props;
191 props = entry;
193 entry->value->name = g_strdup(prop->name);
194 entry->value->type = g_strdup(prop->type);
197 return props;
200 /* FIXME: teach qapi about how to pass through Visitors */
201 int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
203 const char *path = qdict_get_str(qdict, "path");
204 const char *property = qdict_get_str(qdict, "property");
205 QObject *value = qdict_get(qdict, "value");
206 Error *local_err = NULL;
207 Object *obj;
209 obj = object_resolve_path(path, NULL);
210 if (!obj) {
211 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
212 goto out;
215 object_property_set_qobject(obj, value, property, &local_err);
217 out:
218 if (local_err) {
219 qerror_report_err(local_err);
220 error_free(local_err);
221 return -1;
224 return 0;
227 int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
229 const char *path = qdict_get_str(qdict, "path");
230 const char *property = qdict_get_str(qdict, "property");
231 Error *local_err = NULL;
232 Object *obj;
234 obj = object_resolve_path(path, NULL);
235 if (!obj) {
236 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
237 goto out;
240 *ret = object_property_get_qobject(obj, property, &local_err);
242 out:
243 if (local_err) {
244 qerror_report_err(local_err);
245 error_free(local_err);
246 return -1;
249 return 0;
252 void qmp_set_password(const char *protocol, const char *password,
253 bool has_connected, const char *connected, Error **errp)
255 int disconnect_if_connected = 0;
256 int fail_if_connected = 0;
257 int rc;
259 if (has_connected) {
260 if (strcmp(connected, "fail") == 0) {
261 fail_if_connected = 1;
262 } else if (strcmp(connected, "disconnect") == 0) {
263 disconnect_if_connected = 1;
264 } else if (strcmp(connected, "keep") == 0) {
265 /* nothing */
266 } else {
267 error_set(errp, QERR_INVALID_PARAMETER, "connected");
268 return;
272 if (strcmp(protocol, "spice") == 0) {
273 if (!using_spice) {
274 /* correct one? spice isn't a device ,,, */
275 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
276 return;
278 rc = qemu_spice_set_passwd(password, fail_if_connected,
279 disconnect_if_connected);
280 if (rc != 0) {
281 error_set(errp, QERR_SET_PASSWD_FAILED);
283 return;
286 if (strcmp(protocol, "vnc") == 0) {
287 if (fail_if_connected || disconnect_if_connected) {
288 /* vnc supports "connected=keep" only */
289 error_set(errp, QERR_INVALID_PARAMETER, "connected");
290 return;
292 /* Note that setting an empty password will not disable login through
293 * this interface. */
294 rc = vnc_display_password(NULL, password);
295 if (rc < 0) {
296 error_set(errp, QERR_SET_PASSWD_FAILED);
298 return;
301 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
304 void qmp_expire_password(const char *protocol, const char *whenstr,
305 Error **errp)
307 time_t when;
308 int rc;
310 if (strcmp(whenstr, "now") == 0) {
311 when = 0;
312 } else if (strcmp(whenstr, "never") == 0) {
313 when = TIME_MAX;
314 } else if (whenstr[0] == '+') {
315 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
316 } else {
317 when = strtoull(whenstr, NULL, 10);
320 if (strcmp(protocol, "spice") == 0) {
321 if (!using_spice) {
322 /* correct one? spice isn't a device ,,, */
323 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
324 return;
326 rc = qemu_spice_set_pw_expire(when);
327 if (rc != 0) {
328 error_set(errp, QERR_SET_PASSWD_FAILED);
330 return;
333 if (strcmp(protocol, "vnc") == 0) {
334 rc = vnc_display_pw_expire(NULL, when);
335 if (rc != 0) {
336 error_set(errp, QERR_SET_PASSWD_FAILED);
338 return;
341 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
344 #ifdef CONFIG_VNC
345 void qmp_change_vnc_password(const char *password, Error **errp)
347 if (vnc_display_password(NULL, password) < 0) {
348 error_set(errp, QERR_SET_PASSWD_FAILED);
352 static void qmp_change_vnc_listen(const char *target, Error **err)
354 if (vnc_display_open(NULL, target) < 0) {
355 error_set(err, QERR_VNC_SERVER_FAILED, target);
359 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
360 Error **errp)
362 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
363 if (!has_arg) {
364 error_set(errp, QERR_MISSING_PARAMETER, "password");
365 } else {
366 qmp_change_vnc_password(arg, errp);
368 } else {
369 qmp_change_vnc_listen(target, errp);
372 #else
373 void qmp_change_vnc_password(const char *password, Error **errp)
375 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
377 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
378 Error **errp)
380 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
382 #endif /* !CONFIG_VNC */
384 void qmp_change(const char *device, const char *target,
385 bool has_arg, const char *arg, Error **err)
387 if (strcmp(device, "vnc") == 0) {
388 qmp_change_vnc(target, has_arg, arg, err);
389 } else {
390 qmp_change_blockdev(device, target, has_arg, arg, err);
394 static void qom_list_types_tramp(ObjectClass *klass, void *data)
396 ObjectTypeInfoList *e, **pret = data;
397 ObjectTypeInfo *info;
399 info = g_malloc0(sizeof(*info));
400 info->name = g_strdup(object_class_get_name(klass));
402 e = g_malloc0(sizeof(*e));
403 e->value = info;
404 e->next = *pret;
405 *pret = e;
408 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
409 const char *implements,
410 bool has_abstract,
411 bool abstract,
412 Error **errp)
414 ObjectTypeInfoList *ret = NULL;
416 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
418 return ret;
421 DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
422 Error **errp)
424 ObjectClass *klass;
425 Property *prop;
426 DevicePropertyInfoList *prop_list = NULL;
428 klass = object_class_by_name(typename);
429 if (klass == NULL) {
430 error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
431 return NULL;
434 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
435 if (klass == NULL) {
436 error_set(errp, QERR_INVALID_PARAMETER_VALUE,
437 "name", TYPE_DEVICE);
438 return NULL;
441 do {
442 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
443 DevicePropertyInfoList *entry;
444 DevicePropertyInfo *info;
447 * TODO Properties without a parser are just for dirty hacks.
448 * qdev_prop_ptr is the only such PropertyInfo. It's marked
449 * for removal. This conditional should be removed along with
450 * it.
452 if (!prop->info->set) {
453 continue; /* no way to set it, don't show */
456 info = g_malloc0(sizeof(*info));
457 info->name = g_strdup(prop->name);
458 info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
460 entry = g_malloc0(sizeof(*entry));
461 entry->value = info;
462 entry->next = prop_list;
463 prop_list = entry;
465 klass = object_class_get_parent(klass);
466 } while (klass != object_class_by_name(TYPE_DEVICE));
468 return prop_list;
471 CpuDefinitionInfoList GCC_WEAK *arch_query_cpu_definitions(Error **errp)
473 error_set(errp, QERR_NOT_SUPPORTED);
474 return NULL;
477 CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
479 return arch_query_cpu_definitions(errp);
482 void qmp_add_client(const char *protocol, const char *fdname,
483 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
484 Error **errp)
486 CharDriverState *s;
487 int fd;
489 fd = monitor_get_fd(cur_mon, fdname, errp);
490 if (fd < 0) {
491 return;
494 if (strcmp(protocol, "spice") == 0) {
495 if (!using_spice) {
496 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
497 close(fd);
498 return;
500 skipauth = has_skipauth ? skipauth : false;
501 tls = has_tls ? tls : false;
502 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
503 error_setg(errp, "spice failed to add client");
504 close(fd);
506 return;
507 #ifdef CONFIG_VNC
508 } else if (strcmp(protocol, "vnc") == 0) {
509 skipauth = has_skipauth ? skipauth : false;
510 vnc_display_add_client(NULL, fd, skipauth);
511 return;
512 #endif
513 } else if ((s = qemu_chr_find(protocol)) != NULL) {
514 if (qemu_chr_add_client(s, fd) < 0) {
515 error_setg(errp, "failed to add client");
516 close(fd);
517 return;
519 return;
522 error_setg(errp, "protocol '%s' is invalid", protocol);
523 close(fd);