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48a32bed
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1/*
2 * QEMU Management Protocol
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
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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.
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14 */
15
16#include "qemu-common.h"
17#include "sysemu.h"
18#include "qmp-commands.h"
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19#include "ui/qemu-spice.h"
20#include "ui/vnc.h"
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LC
21#include "kvm.h"
22#include "arch_init.h"
b4b12c62 23#include "hw/qdev.h"
333a96ec 24#include "blockdev.h"
9f5f1350 25#include "qemu/qom-qobject.h"
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26
27NameInfo *qmp_query_name(Error **errp)
28{
29 NameInfo *info = g_malloc0(sizeof(*info));
30
31 if (qemu_name) {
32 info->has_name = true;
33 info->name = g_strdup(qemu_name);
34 }
35
36 return info;
37}
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LC
38
39VersionInfo *qmp_query_version(Error **err)
40{
41 VersionInfo *info = g_malloc0(sizeof(*info));
42 const char *version = QEMU_VERSION;
43 char *tmp;
44
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);
51
52 return info;
53}
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LC
54
55KvmInfo *qmp_query_kvm(Error **errp)
56{
57 KvmInfo *info = g_malloc0(sizeof(*info));
58
59 info->enabled = kvm_enabled();
60 info->present = kvm_available();
61
62 return info;
63}
64
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65UuidInfo *qmp_query_uuid(Error **errp)
66{
67 UuidInfo *info = g_malloc0(sizeof(*info));
68 char uuid[64];
69
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]);
75
76 info->UUID = g_strdup(uuid);
77 return info;
78}
79
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80void qmp_quit(Error **err)
81{
82 no_shutdown = 0;
83 qemu_system_shutdown_request();
84}
85
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86void qmp_stop(Error **errp)
87{
88 vm_stop(RUN_STATE_PAUSED);
89}
90
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91void qmp_system_reset(Error **errp)
92{
93 qemu_system_reset_request();
94}
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95
96void qmp_system_powerdown(Error **erp)
97{
98 qemu_system_powerdown_request();
99}
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100
101void qmp_cpu(int64_t index, Error **errp)
102{
103 /* Just do nothing */
104}
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105
106#ifndef CONFIG_VNC
107/* If VNC support is enabled, the "true" query-vnc command is
108 defined in the VNC subsystem */
109VncInfo *qmp_query_vnc(Error **errp)
110{
111 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
112 return NULL;
113};
114#endif
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115
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 */
121SpiceInfo *qmp_query_spice(Error **errp)
122{
123 error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
124 return NULL;
125};
126#endif
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127
128static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
129{
130 bdrv_iostatus_reset(bs);
131}
132
133static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
134{
135 Error **err = opaque;
136
137 if (!error_is_set(err) && bdrv_key_required(bs)) {
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138 error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
139 bdrv_get_encrypted_filename(bs));
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140 }
141}
142
143void qmp_cont(Error **errp)
144{
145 Error *local_err = NULL;
146
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;
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LC
154 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
155 return;
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156 }
157
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;
163 }
164
165 vm_start();
166}
b4b12c62 167
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168void qmp_system_wakeup(Error **errp)
169{
170 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
171}
172
57c9fafe 173ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
b4b12c62 174{
57c9fafe 175 Object *obj;
b4b12c62 176 bool ambiguous = false;
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177 ObjectPropertyInfoList *props = NULL;
178 ObjectProperty *prop;
b4b12c62 179
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180 obj = object_resolve_path(path, &ambiguous);
181 if (obj == NULL) {
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182 error_set(errp, QERR_DEVICE_NOT_FOUND, path);
183 return NULL;
184 }
185
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186 QTAILQ_FOREACH(prop, &obj->properties, node) {
187 ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
b4b12c62 188
57c9fafe 189 entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
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190 entry->next = props;
191 props = entry;
192
193 entry->value->name = g_strdup(prop->name);
194 entry->value->type = g_strdup(prop->type);
195 }
196
197 return props;
198}
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199
200/* FIXME: teach qapi about how to pass through Visitors */
201int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
202{
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;
57c9fafe 207 Object *obj;
eb6e8ea5 208
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AL
209 obj = object_resolve_path(path, NULL);
210 if (!obj) {
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211 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
212 goto out;
213 }
214
9f5f1350 215 object_property_set_qobject(obj, value, property, &local_err);
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AL
216
217out:
218 if (local_err) {
219 qerror_report_err(local_err);
220 error_free(local_err);
221 return -1;
222 }
223
224 return 0;
225}
226
227int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
228{
229 const char *path = qdict_get_str(qdict, "path");
230 const char *property = qdict_get_str(qdict, "property");
231 Error *local_err = NULL;
57c9fafe 232 Object *obj;
eb6e8ea5 233
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AL
234 obj = object_resolve_path(path, NULL);
235 if (!obj) {
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AL
236 error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
237 goto out;
238 }
239
9f5f1350 240 *ret = object_property_get_qobject(obj, property, &local_err);
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AL
241
242out:
243 if (local_err) {
244 qerror_report_err(local_err);
245 error_free(local_err);
246 return -1;
247 }
248
249 return 0;
250}
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251
252void qmp_set_password(const char *protocol, const char *password,
253 bool has_connected, const char *connected, Error **errp)
254{
255 int disconnect_if_connected = 0;
256 int fail_if_connected = 0;
257 int rc;
258
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;
269 }
270 }
271
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;
277 }
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);
282 }
283 return;
284 }
285
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;
291 }
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);
297 }
298 return;
299 }
300
301 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
302}
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LC
303
304void qmp_expire_password(const char *protocol, const char *whenstr,
305 Error **errp)
306{
307 time_t when;
308 int rc;
309
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);
318 }
319
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;
325 }
326 rc = qemu_spice_set_pw_expire(when);
327 if (rc != 0) {
328 error_set(errp, QERR_SET_PASSWD_FAILED);
329 }
330 return;
331 }
332
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);
337 }
338 return;
339 }
340
341 error_set(errp, QERR_INVALID_PARAMETER, "protocol");
342}
270b243f 343
333a96ec 344#ifdef CONFIG_VNC
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LC
345void qmp_change_vnc_password(const char *password, Error **errp)
346{
347 if (vnc_display_password(NULL, password) < 0) {
348 error_set(errp, QERR_SET_PASSWD_FAILED);
349 }
350}
333a96ec 351
007fcd3e 352static void qmp_change_vnc_listen(const char *target, Error **errp)
333a96ec 353{
007fcd3e 354 vnc_display_open(NULL, target, errp);
333a96ec
LC
355}
356
357static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
358 Error **errp)
359{
360 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
361 if (!has_arg) {
362 error_set(errp, QERR_MISSING_PARAMETER, "password");
363 } else {
364 qmp_change_vnc_password(arg, errp);
365 }
366 } else {
367 qmp_change_vnc_listen(target, errp);
368 }
369}
370#else
371void qmp_change_vnc_password(const char *password, Error **errp)
372{
373 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
374}
375static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
376 Error **errp)
377{
378 error_set(errp, QERR_FEATURE_DISABLED, "vnc");
379}
380#endif /* !CONFIG_VNC */
381
382void qmp_change(const char *device, const char *target,
383 bool has_arg, const char *arg, Error **err)
384{
385 if (strcmp(device, "vnc") == 0) {
386 qmp_change_vnc(target, has_arg, arg, err);
387 } else {
388 qmp_change_blockdev(device, target, has_arg, arg, err);
389 }
390}
5eeee3fa
AL
391
392static void qom_list_types_tramp(ObjectClass *klass, void *data)
393{
394 ObjectTypeInfoList *e, **pret = data;
395 ObjectTypeInfo *info;
396
397 info = g_malloc0(sizeof(*info));
398 info->name = g_strdup(object_class_get_name(klass));
399
400 e = g_malloc0(sizeof(*e));
401 e->value = info;
402 e->next = *pret;
403 *pret = e;
404}
405
406ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
407 const char *implements,
408 bool has_abstract,
409 bool abstract,
410 Error **errp)
411{
412 ObjectTypeInfoList *ret = NULL;
413
414 object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
415
416 return ret;
417}
1daa31b9
AL
418
419DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
420 Error **errp)
421{
422 ObjectClass *klass;
423 Property *prop;
424 DevicePropertyInfoList *prop_list = NULL;
425
426 klass = object_class_by_name(typename);
427 if (klass == NULL) {
428 error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
429 return NULL;
430 }
431
432 klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
433 if (klass == NULL) {
434 error_set(errp, QERR_INVALID_PARAMETER_VALUE,
435 "name", TYPE_DEVICE);
436 return NULL;
437 }
438
439 do {
440 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
441 DevicePropertyInfoList *entry;
442 DevicePropertyInfo *info;
443
444 /*
445 * TODO Properties without a parser are just for dirty hacks.
446 * qdev_prop_ptr is the only such PropertyInfo. It's marked
447 * for removal. This conditional should be removed along with
448 * it.
449 */
450 if (!prop->info->set) {
451 continue; /* no way to set it, don't show */
452 }
453
454 info = g_malloc0(sizeof(*info));
455 info->name = g_strdup(prop->name);
456 info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
457
458 entry = g_malloc0(sizeof(*entry));
459 entry->value = info;
460 entry->next = prop_list;
461 prop_list = entry;
462 }
463 klass = object_class_get_parent(klass);
464 } while (klass != object_class_by_name(TYPE_DEVICE));
465
466 return prop_list;
467}
e4e31c63 468
76b64a7a 469CpuDefinitionInfoList GCC_WEAK *arch_query_cpu_definitions(Error **errp)
e4e31c63
AL
470{
471 error_set(errp, QERR_NOT_SUPPORTED);
472 return NULL;
473}
76b64a7a
AL
474
475CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
476{
477 return arch_query_cpu_definitions(errp);
478}
479
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LC
480void qmp_add_client(const char *protocol, const char *fdname,
481 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
482 Error **errp)
483{
484 CharDriverState *s;
485 int fd;
486
487 fd = monitor_get_fd(cur_mon, fdname, errp);
488 if (fd < 0) {
489 return;
490 }
491
492 if (strcmp(protocol, "spice") == 0) {
493 if (!using_spice) {
494 error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
495 close(fd);
496 return;
497 }
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");
502 close(fd);
503 }
504 return;
505#ifdef CONFIG_VNC
506 } else if (strcmp(protocol, "vnc") == 0) {
507 skipauth = has_skipauth ? skipauth : false;
508 vnc_display_add_client(NULL, fd, skipauth);
509 return;
510#endif
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");
514 close(fd);
515 return;
516 }
517 return;
518 }
519
520 error_setg(errp, "protocol '%s' is invalid", protocol);
521 close(fd);
522}