root / qmp.c @ 5eeee3fa
History | View | Annotate | Download (10.8 kB)
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 |
*
|
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.
|
14 |
*/
|
15 |
|
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 "qapi/qmp-input-visitor.h" |
25 |
#include "qapi/qmp-output-visitor.h" |
26 |
#include "blockdev.h" |
27 |
|
28 |
NameInfo *qmp_query_name(Error **errp) |
29 |
{ |
30 |
NameInfo *info = g_malloc0(sizeof(*info));
|
31 |
|
32 |
if (qemu_name) {
|
33 |
info->has_name = true;
|
34 |
info->name = g_strdup(qemu_name); |
35 |
} |
36 |
|
37 |
return info;
|
38 |
} |
39 |
|
40 |
VersionInfo *qmp_query_version(Error **err) |
41 |
{ |
42 |
VersionInfo *info = g_malloc0(sizeof(*info));
|
43 |
const char *version = QEMU_VERSION; |
44 |
char *tmp;
|
45 |
|
46 |
info->qemu.major = strtol(version, &tmp, 10);
|
47 |
tmp++; |
48 |
info->qemu.minor = strtol(tmp, &tmp, 10);
|
49 |
tmp++; |
50 |
info->qemu.micro = strtol(tmp, &tmp, 10);
|
51 |
info->package = g_strdup(QEMU_PKGVERSION); |
52 |
|
53 |
return info;
|
54 |
} |
55 |
|
56 |
KvmInfo *qmp_query_kvm(Error **errp) |
57 |
{ |
58 |
KvmInfo *info = g_malloc0(sizeof(*info));
|
59 |
|
60 |
info->enabled = kvm_enabled(); |
61 |
info->present = kvm_available(); |
62 |
|
63 |
return info;
|
64 |
} |
65 |
|
66 |
UuidInfo *qmp_query_uuid(Error **errp) |
67 |
{ |
68 |
UuidInfo *info = g_malloc0(sizeof(*info));
|
69 |
char uuid[64]; |
70 |
|
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]); |
76 |
|
77 |
info->UUID = g_strdup(uuid); |
78 |
return info;
|
79 |
} |
80 |
|
81 |
void qmp_quit(Error **err)
|
82 |
{ |
83 |
no_shutdown = 0;
|
84 |
qemu_system_shutdown_request(); |
85 |
} |
86 |
|
87 |
void qmp_stop(Error **errp)
|
88 |
{ |
89 |
vm_stop(RUN_STATE_PAUSED); |
90 |
} |
91 |
|
92 |
void qmp_system_reset(Error **errp)
|
93 |
{ |
94 |
qemu_system_reset_request(); |
95 |
} |
96 |
|
97 |
void qmp_system_powerdown(Error **erp)
|
98 |
{ |
99 |
qemu_system_powerdown_request(); |
100 |
} |
101 |
|
102 |
void qmp_cpu(int64_t index, Error **errp)
|
103 |
{ |
104 |
/* Just do nothing */
|
105 |
} |
106 |
|
107 |
#ifndef CONFIG_VNC
|
108 |
/* If VNC support is enabled, the "true" query-vnc command is
|
109 |
defined in the VNC subsystem */
|
110 |
VncInfo *qmp_query_vnc(Error **errp) |
111 |
{ |
112 |
error_set(errp, QERR_FEATURE_DISABLED, "vnc");
|
113 |
return NULL; |
114 |
}; |
115 |
#endif
|
116 |
|
117 |
#ifndef CONFIG_SPICE
|
118 |
/* If SPICE support is enabled, the "true" query-spice command is
|
119 |
defined in the SPICE subsystem. Also note that we use a small
|
120 |
trick to maintain query-spice's original behavior, which is not
|
121 |
to be available in the namespace if SPICE is not compiled in */
|
122 |
SpiceInfo *qmp_query_spice(Error **errp) |
123 |
{ |
124 |
error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
|
125 |
return NULL; |
126 |
}; |
127 |
#endif
|
128 |
|
129 |
static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs) |
130 |
{ |
131 |
bdrv_iostatus_reset(bs); |
132 |
} |
133 |
|
134 |
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs) |
135 |
{ |
136 |
Error **err = opaque; |
137 |
|
138 |
if (!error_is_set(err) && bdrv_key_required(bs)) {
|
139 |
error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs), |
140 |
bdrv_get_encrypted_filename(bs)); |
141 |
} |
142 |
} |
143 |
|
144 |
void qmp_cont(Error **errp)
|
145 |
{ |
146 |
Error *local_err = NULL;
|
147 |
|
148 |
if (runstate_check(RUN_STATE_INMIGRATE)) {
|
149 |
error_set(errp, QERR_MIGRATION_EXPECTED); |
150 |
return;
|
151 |
} else if (runstate_check(RUN_STATE_INTERNAL_ERROR) || |
152 |
runstate_check(RUN_STATE_SHUTDOWN)) { |
153 |
error_set(errp, QERR_RESET_REQUIRED); |
154 |
return;
|
155 |
} |
156 |
|
157 |
bdrv_iterate(iostatus_bdrv_it, NULL);
|
158 |
bdrv_iterate(encrypted_bdrv_it, &local_err); |
159 |
if (local_err) {
|
160 |
error_propagate(errp, local_err); |
161 |
return;
|
162 |
} |
163 |
|
164 |
vm_start(); |
165 |
} |
166 |
|
167 |
DevicePropertyInfoList *qmp_qom_list(const char *path, Error **errp) |
168 |
{ |
169 |
DeviceState *dev; |
170 |
bool ambiguous = false; |
171 |
DevicePropertyInfoList *props = NULL;
|
172 |
DeviceProperty *prop; |
173 |
|
174 |
dev = qdev_resolve_path(path, &ambiguous); |
175 |
if (dev == NULL) { |
176 |
error_set(errp, QERR_DEVICE_NOT_FOUND, path); |
177 |
return NULL; |
178 |
} |
179 |
|
180 |
QTAILQ_FOREACH(prop, &dev->properties, node) { |
181 |
DevicePropertyInfoList *entry = g_malloc0(sizeof(*entry));
|
182 |
|
183 |
entry->value = g_malloc0(sizeof(DevicePropertyInfo));
|
184 |
entry->next = props; |
185 |
props = entry; |
186 |
|
187 |
entry->value->name = g_strdup(prop->name); |
188 |
entry->value->type = g_strdup(prop->type); |
189 |
} |
190 |
|
191 |
return props;
|
192 |
} |
193 |
|
194 |
/* FIXME: teach qapi about how to pass through Visitors */
|
195 |
int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret) |
196 |
{ |
197 |
const char *path = qdict_get_str(qdict, "path"); |
198 |
const char *property = qdict_get_str(qdict, "property"); |
199 |
QObject *value = qdict_get(qdict, "value");
|
200 |
Error *local_err = NULL;
|
201 |
QmpInputVisitor *mi; |
202 |
DeviceState *dev; |
203 |
|
204 |
dev = qdev_resolve_path(path, NULL);
|
205 |
if (!dev) {
|
206 |
error_set(&local_err, QERR_DEVICE_NOT_FOUND, path); |
207 |
goto out;
|
208 |
} |
209 |
|
210 |
mi = qmp_input_visitor_new(value); |
211 |
qdev_property_set(dev, qmp_input_get_visitor(mi), property, &local_err); |
212 |
|
213 |
qmp_input_visitor_cleanup(mi); |
214 |
|
215 |
out:
|
216 |
if (local_err) {
|
217 |
qerror_report_err(local_err); |
218 |
error_free(local_err); |
219 |
return -1; |
220 |
} |
221 |
|
222 |
return 0; |
223 |
} |
224 |
|
225 |
int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret) |
226 |
{ |
227 |
const char *path = qdict_get_str(qdict, "path"); |
228 |
const char *property = qdict_get_str(qdict, "property"); |
229 |
Error *local_err = NULL;
|
230 |
QmpOutputVisitor *mo; |
231 |
DeviceState *dev; |
232 |
|
233 |
dev = qdev_resolve_path(path, NULL);
|
234 |
if (!dev) {
|
235 |
error_set(&local_err, QERR_DEVICE_NOT_FOUND, path); |
236 |
goto out;
|
237 |
} |
238 |
|
239 |
mo = qmp_output_visitor_new(); |
240 |
qdev_property_get(dev, qmp_output_get_visitor(mo), property, &local_err); |
241 |
if (!local_err) {
|
242 |
*ret = qmp_output_get_qobject(mo); |
243 |
} |
244 |
|
245 |
qmp_output_visitor_cleanup(mo); |
246 |
|
247 |
out:
|
248 |
if (local_err) {
|
249 |
qerror_report_err(local_err); |
250 |
error_free(local_err); |
251 |
return -1; |
252 |
} |
253 |
|
254 |
return 0; |
255 |
} |
256 |
|
257 |
void qmp_set_password(const char *protocol, const char *password, |
258 |
bool has_connected, const char *connected, Error **errp) |
259 |
{ |
260 |
int disconnect_if_connected = 0; |
261 |
int fail_if_connected = 0; |
262 |
int rc;
|
263 |
|
264 |
if (has_connected) {
|
265 |
if (strcmp(connected, "fail") == 0) { |
266 |
fail_if_connected = 1;
|
267 |
} else if (strcmp(connected, "disconnect") == 0) { |
268 |
disconnect_if_connected = 1;
|
269 |
} else if (strcmp(connected, "keep") == 0) { |
270 |
/* nothing */
|
271 |
} else {
|
272 |
error_set(errp, QERR_INVALID_PARAMETER, "connected");
|
273 |
return;
|
274 |
} |
275 |
} |
276 |
|
277 |
if (strcmp(protocol, "spice") == 0) { |
278 |
if (!using_spice) {
|
279 |
/* correct one? spice isn't a device ,,, */
|
280 |
error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
|
281 |
return;
|
282 |
} |
283 |
rc = qemu_spice_set_passwd(password, fail_if_connected, |
284 |
disconnect_if_connected); |
285 |
if (rc != 0) { |
286 |
error_set(errp, QERR_SET_PASSWD_FAILED); |
287 |
} |
288 |
return;
|
289 |
} |
290 |
|
291 |
if (strcmp(protocol, "vnc") == 0) { |
292 |
if (fail_if_connected || disconnect_if_connected) {
|
293 |
/* vnc supports "connected=keep" only */
|
294 |
error_set(errp, QERR_INVALID_PARAMETER, "connected");
|
295 |
return;
|
296 |
} |
297 |
/* Note that setting an empty password will not disable login through
|
298 |
* this interface. */
|
299 |
rc = vnc_display_password(NULL, password);
|
300 |
if (rc < 0) { |
301 |
error_set(errp, QERR_SET_PASSWD_FAILED); |
302 |
} |
303 |
return;
|
304 |
} |
305 |
|
306 |
error_set(errp, QERR_INVALID_PARAMETER, "protocol");
|
307 |
} |
308 |
|
309 |
void qmp_expire_password(const char *protocol, const char *whenstr, |
310 |
Error **errp) |
311 |
{ |
312 |
time_t when; |
313 |
int rc;
|
314 |
|
315 |
if (strcmp(whenstr, "now") == 0) { |
316 |
when = 0;
|
317 |
} else if (strcmp(whenstr, "never") == 0) { |
318 |
when = TIME_MAX; |
319 |
} else if (whenstr[0] == '+') { |
320 |
when = time(NULL) + strtoull(whenstr+1, NULL, 10); |
321 |
} else {
|
322 |
when = strtoull(whenstr, NULL, 10); |
323 |
} |
324 |
|
325 |
if (strcmp(protocol, "spice") == 0) { |
326 |
if (!using_spice) {
|
327 |
/* correct one? spice isn't a device ,,, */
|
328 |
error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
|
329 |
return;
|
330 |
} |
331 |
rc = qemu_spice_set_pw_expire(when); |
332 |
if (rc != 0) { |
333 |
error_set(errp, QERR_SET_PASSWD_FAILED); |
334 |
} |
335 |
return;
|
336 |
} |
337 |
|
338 |
if (strcmp(protocol, "vnc") == 0) { |
339 |
rc = vnc_display_pw_expire(NULL, when);
|
340 |
if (rc != 0) { |
341 |
error_set(errp, QERR_SET_PASSWD_FAILED); |
342 |
} |
343 |
return;
|
344 |
} |
345 |
|
346 |
error_set(errp, QERR_INVALID_PARAMETER, "protocol");
|
347 |
} |
348 |
|
349 |
#ifdef CONFIG_VNC
|
350 |
void qmp_change_vnc_password(const char *password, Error **errp) |
351 |
{ |
352 |
if (vnc_display_password(NULL, password) < 0) { |
353 |
error_set(errp, QERR_SET_PASSWD_FAILED); |
354 |
} |
355 |
} |
356 |
|
357 |
static void qmp_change_vnc_listen(const char *target, Error **err) |
358 |
{ |
359 |
if (vnc_display_open(NULL, target) < 0) { |
360 |
error_set(err, QERR_VNC_SERVER_FAILED, target); |
361 |
} |
362 |
} |
363 |
|
364 |
static void qmp_change_vnc(const char *target, bool has_arg, const char *arg, |
365 |
Error **errp) |
366 |
{ |
367 |
if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) { |
368 |
if (!has_arg) {
|
369 |
error_set(errp, QERR_MISSING_PARAMETER, "password");
|
370 |
} else {
|
371 |
qmp_change_vnc_password(arg, errp); |
372 |
} |
373 |
} else {
|
374 |
qmp_change_vnc_listen(target, errp); |
375 |
} |
376 |
} |
377 |
#else
|
378 |
void qmp_change_vnc_password(const char *password, Error **errp) |
379 |
{ |
380 |
error_set(errp, QERR_FEATURE_DISABLED, "vnc");
|
381 |
} |
382 |
static void qmp_change_vnc(const char *target, bool has_arg, const char *arg, |
383 |
Error **errp) |
384 |
{ |
385 |
error_set(errp, QERR_FEATURE_DISABLED, "vnc");
|
386 |
} |
387 |
#endif /* !CONFIG_VNC */ |
388 |
|
389 |
void qmp_change(const char *device, const char *target, |
390 |
bool has_arg, const char *arg, Error **err) |
391 |
{ |
392 |
if (strcmp(device, "vnc") == 0) { |
393 |
qmp_change_vnc(target, has_arg, arg, err); |
394 |
} else {
|
395 |
qmp_change_blockdev(device, target, has_arg, arg, err); |
396 |
} |
397 |
} |
398 |
|
399 |
static void qom_list_types_tramp(ObjectClass *klass, void *data) |
400 |
{ |
401 |
ObjectTypeInfoList *e, **pret = data; |
402 |
ObjectTypeInfo *info; |
403 |
|
404 |
info = g_malloc0(sizeof(*info));
|
405 |
info->name = g_strdup(object_class_get_name(klass)); |
406 |
|
407 |
e = g_malloc0(sizeof(*e));
|
408 |
e->value = info; |
409 |
e->next = *pret; |
410 |
*pret = e; |
411 |
} |
412 |
|
413 |
ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
|
414 |
const char *implements, |
415 |
bool has_abstract,
|
416 |
bool abstract,
|
417 |
Error **errp) |
418 |
{ |
419 |
ObjectTypeInfoList *ret = NULL;
|
420 |
|
421 |
object_class_foreach(qom_list_types_tramp, implements, abstract, &ret); |
422 |
|
423 |
return ret;
|
424 |
} |