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Commit | Line | Data |
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48a32bed | 1 | /* |
f1b3ccfa | 2 | * QEMU Management Protocol commands |
48a32bed AL |
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 | * | |
6b620ca3 PB |
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. | |
48a32bed AL |
14 | */ |
15 | ||
d38ea87a | 16 | #include "qemu/osdep.h" |
a8d25326 | 17 | #include "qemu-common.h" |
67a1de0d | 18 | #include "qemu-version.h" |
f348b6d1 | 19 | #include "qemu/cutils.h" |
922a01a0 | 20 | #include "qemu/option.h" |
a0b1a66e | 21 | #include "monitor/monitor.h" |
9c17d615 | 22 | #include "sysemu/sysemu.h" |
213dcb06 | 23 | #include "qemu/config-file.h" |
cea25275 | 24 | #include "qemu/uuid.h" |
8228e353 | 25 | #include "chardev/char.h" |
fbf796fd LC |
26 | #include "ui/qemu-spice.h" |
27 | #include "ui/vnc.h" | |
9c17d615 PB |
28 | #include "sysemu/kvm.h" |
29 | #include "sysemu/arch_init.h" | |
9c17d615 | 30 | #include "sysemu/blockdev.h" |
373340b2 | 31 | #include "sysemu/block-backend.h" |
e688df6b | 32 | #include "qapi/error.h" |
112ed241 | 33 | #include "qapi/qapi-commands-block-core.h" |
8ac25c84 | 34 | #include "qapi/qapi-commands-machine.h" |
112ed241 MA |
35 | #include "qapi/qapi-commands-misc.h" |
36 | #include "qapi/qapi-commands-ui.h" | |
cc7a8ea7 | 37 | #include "qapi/qmp/qerror.h" |
2cc0e2e8 | 38 | #include "hw/mem/memory-device.h" |
02419bcb | 39 | #include "hw/acpi/acpi_dev_interface.h" |
48a32bed AL |
40 | |
41 | NameInfo *qmp_query_name(Error **errp) | |
42 | { | |
43 | NameInfo *info = g_malloc0(sizeof(*info)); | |
44 | ||
45 | if (qemu_name) { | |
46 | info->has_name = true; | |
47 | info->name = g_strdup(qemu_name); | |
48 | } | |
49 | ||
50 | return info; | |
51 | } | |
b9c15f16 | 52 | |
7daecb30 | 53 | VersionInfo *qmp_query_version(Error **errp) |
b9c15f16 | 54 | { |
4752cdbb | 55 | VersionInfo *info = g_new0(VersionInfo, 1); |
b9c15f16 | 56 | |
4752cdbb | 57 | info->qemu = g_new0(VersionTriple, 1); |
3688d8c7 MAL |
58 | info->qemu->major = QEMU_VERSION_MAJOR; |
59 | info->qemu->minor = QEMU_VERSION_MINOR; | |
60 | info->qemu->micro = QEMU_VERSION_MICRO; | |
b9c15f16 LC |
61 | info->package = g_strdup(QEMU_PKGVERSION); |
62 | ||
63 | return info; | |
64 | } | |
292a2602 LC |
65 | |
66 | KvmInfo *qmp_query_kvm(Error **errp) | |
67 | { | |
68 | KvmInfo *info = g_malloc0(sizeof(*info)); | |
69 | ||
70 | info->enabled = kvm_enabled(); | |
71 | info->present = kvm_available(); | |
72 | ||
73 | return info; | |
74 | } | |
75 | ||
efab767e LC |
76 | UuidInfo *qmp_query_uuid(Error **errp) |
77 | { | |
78 | UuidInfo *info = g_malloc0(sizeof(*info)); | |
efab767e | 79 | |
9c5ce8db | 80 | info->UUID = qemu_uuid_unparse_strdup(&qemu_uuid); |
efab767e LC |
81 | return info; |
82 | } | |
83 | ||
7daecb30 | 84 | void qmp_quit(Error **errp) |
7a7f325e LC |
85 | { |
86 | no_shutdown = 0; | |
92548938 | 87 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_QMP_QUIT); |
7a7f325e LC |
88 | } |
89 | ||
5f158f21 LC |
90 | void qmp_stop(Error **errp) |
91 | { | |
65d64f36 PX |
92 | /* if there is a dump in background, we should wait until the dump |
93 | * finished */ | |
94 | if (dump_in_progress()) { | |
95 | error_setg(errp, "There is a dump in process, please wait."); | |
96 | return; | |
97 | } | |
98 | ||
1e998146 PB |
99 | if (runstate_check(RUN_STATE_INMIGRATE)) { |
100 | autostart = 0; | |
101 | } else { | |
102 | vm_stop(RUN_STATE_PAUSED); | |
103 | } | |
5f158f21 LC |
104 | } |
105 | ||
38d22653 LC |
106 | void qmp_system_reset(Error **errp) |
107 | { | |
92548938 | 108 | qemu_system_reset_request(SHUTDOWN_CAUSE_HOST_QMP_SYSTEM_RESET); |
38d22653 | 109 | } |
5bc465e4 LC |
110 | |
111 | void qmp_system_powerdown(Error **erp) | |
112 | { | |
113 | qemu_system_powerdown_request(); | |
114 | } | |
755f1968 | 115 | |
361ac948 | 116 | void qmp_x_exit_preconfig(Error **errp) |
047f7038 IM |
117 | { |
118 | if (!runstate_check(RUN_STATE_PRECONFIG)) { | |
119 | error_setg(errp, "The command is permitted only in '%s' state", | |
120 | RunState_str(RUN_STATE_PRECONFIG)); | |
121 | return; | |
122 | } | |
123 | qemu_exit_preconfig_request(); | |
124 | } | |
125 | ||
e42e818b LC |
126 | void qmp_cont(Error **errp) |
127 | { | |
373340b2 | 128 | BlockBackend *blk; |
68d00e42 | 129 | BlockJob *job; |
788cf9f8 | 130 | Error *local_err = NULL; |
e42e818b | 131 | |
65d64f36 PX |
132 | /* if there is a dump in background, we should wait until the dump |
133 | * finished */ | |
134 | if (dump_in_progress()) { | |
135 | error_setg(errp, "There is a dump in process, please wait."); | |
136 | return; | |
137 | } | |
138 | ||
ede085b3 | 139 | if (runstate_needs_reset()) { |
f231b88d | 140 | error_setg(errp, "Resetting the Virtual Machine is required"); |
e42e818b | 141 | return; |
ad02b96a LC |
142 | } else if (runstate_check(RUN_STATE_SUSPENDED)) { |
143 | return; | |
9183dd15 VSO |
144 | } else if (runstate_check(RUN_STATE_FINISH_MIGRATE)) { |
145 | error_setg(errp, "Migration is not finalized yet"); | |
146 | return; | |
e42e818b LC |
147 | } |
148 | ||
373340b2 HR |
149 | for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { |
150 | blk_iostatus_reset(blk); | |
ab31979a | 151 | } |
7c8eece4 | 152 | |
68d00e42 VSO |
153 | for (job = block_job_next(NULL); job; job = block_job_next(job)) { |
154 | block_job_iostatus_reset(job); | |
155 | } | |
156 | ||
76b1c7fe | 157 | /* Continuing after completed migration. Images have been inactivated to |
ace21a58 KW |
158 | * allow the destination to take control. Need to get control back now. |
159 | * | |
160 | * If there are no inactive block nodes (e.g. because the VM was just | |
161 | * paused rather than completing a migration), bdrv_inactivate_all() simply | |
162 | * doesn't do anything. */ | |
163 | bdrv_invalidate_cache_all(&local_err); | |
164 | if (local_err) { | |
165 | error_propagate(errp, local_err); | |
166 | return; | |
76b1c7fe KW |
167 | } |
168 | ||
1e998146 PB |
169 | if (runstate_check(RUN_STATE_INMIGRATE)) { |
170 | autostart = 1; | |
171 | } else { | |
172 | vm_start(); | |
173 | } | |
e42e818b | 174 | } |
b4b12c62 | 175 | |
9b9df25a GH |
176 | void qmp_system_wakeup(Error **errp) |
177 | { | |
fb064112 DHB |
178 | if (!qemu_wakeup_suspend_enabled()) { |
179 | error_setg(errp, | |
180 | "wake-up from suspend is not supported by this guest"); | |
181 | return; | |
182 | } | |
183 | ||
184 | qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, errp); | |
9b9df25a GH |
185 | } |
186 | ||
fbf796fd LC |
187 | void qmp_set_password(const char *protocol, const char *password, |
188 | bool has_connected, const char *connected, Error **errp) | |
189 | { | |
190 | int disconnect_if_connected = 0; | |
191 | int fail_if_connected = 0; | |
192 | int rc; | |
193 | ||
194 | if (has_connected) { | |
195 | if (strcmp(connected, "fail") == 0) { | |
196 | fail_if_connected = 1; | |
197 | } else if (strcmp(connected, "disconnect") == 0) { | |
198 | disconnect_if_connected = 1; | |
199 | } else if (strcmp(connected, "keep") == 0) { | |
200 | /* nothing */ | |
201 | } else { | |
c6bd8c70 | 202 | error_setg(errp, QERR_INVALID_PARAMETER, "connected"); |
fbf796fd LC |
203 | return; |
204 | } | |
205 | } | |
206 | ||
207 | if (strcmp(protocol, "spice") == 0) { | |
b25d81ba | 208 | if (!qemu_using_spice(errp)) { |
fbf796fd LC |
209 | return; |
210 | } | |
211 | rc = qemu_spice_set_passwd(password, fail_if_connected, | |
212 | disconnect_if_connected); | |
213 | if (rc != 0) { | |
c6bd8c70 | 214 | error_setg(errp, QERR_SET_PASSWD_FAILED); |
fbf796fd LC |
215 | } |
216 | return; | |
217 | } | |
218 | ||
219 | if (strcmp(protocol, "vnc") == 0) { | |
220 | if (fail_if_connected || disconnect_if_connected) { | |
221 | /* vnc supports "connected=keep" only */ | |
c6bd8c70 | 222 | error_setg(errp, QERR_INVALID_PARAMETER, "connected"); |
fbf796fd LC |
223 | return; |
224 | } | |
225 | /* Note that setting an empty password will not disable login through | |
226 | * this interface. */ | |
227 | rc = vnc_display_password(NULL, password); | |
228 | if (rc < 0) { | |
c6bd8c70 | 229 | error_setg(errp, QERR_SET_PASSWD_FAILED); |
fbf796fd LC |
230 | } |
231 | return; | |
232 | } | |
233 | ||
c6bd8c70 | 234 | error_setg(errp, QERR_INVALID_PARAMETER, "protocol"); |
fbf796fd | 235 | } |
9ad5372d LC |
236 | |
237 | void qmp_expire_password(const char *protocol, const char *whenstr, | |
238 | Error **errp) | |
239 | { | |
240 | time_t when; | |
241 | int rc; | |
242 | ||
243 | if (strcmp(whenstr, "now") == 0) { | |
244 | when = 0; | |
245 | } else if (strcmp(whenstr, "never") == 0) { | |
246 | when = TIME_MAX; | |
247 | } else if (whenstr[0] == '+') { | |
248 | when = time(NULL) + strtoull(whenstr+1, NULL, 10); | |
249 | } else { | |
250 | when = strtoull(whenstr, NULL, 10); | |
251 | } | |
252 | ||
253 | if (strcmp(protocol, "spice") == 0) { | |
b25d81ba | 254 | if (!qemu_using_spice(errp)) { |
9ad5372d LC |
255 | return; |
256 | } | |
257 | rc = qemu_spice_set_pw_expire(when); | |
258 | if (rc != 0) { | |
c6bd8c70 | 259 | error_setg(errp, QERR_SET_PASSWD_FAILED); |
9ad5372d LC |
260 | } |
261 | return; | |
262 | } | |
263 | ||
264 | if (strcmp(protocol, "vnc") == 0) { | |
265 | rc = vnc_display_pw_expire(NULL, when); | |
266 | if (rc != 0) { | |
c6bd8c70 | 267 | error_setg(errp, QERR_SET_PASSWD_FAILED); |
9ad5372d LC |
268 | } |
269 | return; | |
270 | } | |
271 | ||
c6bd8c70 | 272 | error_setg(errp, QERR_INVALID_PARAMETER, "protocol"); |
9ad5372d | 273 | } |
270b243f | 274 | |
333a96ec | 275 | #ifdef CONFIG_VNC |
270b243f LC |
276 | void qmp_change_vnc_password(const char *password, Error **errp) |
277 | { | |
278 | if (vnc_display_password(NULL, password) < 0) { | |
c6bd8c70 | 279 | error_setg(errp, QERR_SET_PASSWD_FAILED); |
270b243f LC |
280 | } |
281 | } | |
333a96ec | 282 | |
007fcd3e | 283 | static void qmp_change_vnc_listen(const char *target, Error **errp) |
333a96ec | 284 | { |
4db14629 GH |
285 | QemuOptsList *olist = qemu_find_opts("vnc"); |
286 | QemuOpts *opts; | |
287 | ||
288 | if (strstr(target, "id=")) { | |
289 | error_setg(errp, "id not supported"); | |
290 | return; | |
291 | } | |
292 | ||
293 | opts = qemu_opts_find(olist, "default"); | |
294 | if (opts) { | |
295 | qemu_opts_del(opts); | |
296 | } | |
70b94331 | 297 | opts = vnc_parse(target, errp); |
f7801c5c GA |
298 | if (!opts) { |
299 | return; | |
300 | } | |
301 | ||
4db14629 | 302 | vnc_display_open("default", errp); |
333a96ec LC |
303 | } |
304 | ||
305 | static void qmp_change_vnc(const char *target, bool has_arg, const char *arg, | |
306 | Error **errp) | |
307 | { | |
308 | if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) { | |
309 | if (!has_arg) { | |
c6bd8c70 | 310 | error_setg(errp, QERR_MISSING_PARAMETER, "password"); |
333a96ec LC |
311 | } else { |
312 | qmp_change_vnc_password(arg, errp); | |
313 | } | |
314 | } else { | |
315 | qmp_change_vnc_listen(target, errp); | |
316 | } | |
317 | } | |
333a96ec LC |
318 | #endif /* !CONFIG_VNC */ |
319 | ||
320 | void qmp_change(const char *device, const char *target, | |
7daecb30 | 321 | bool has_arg, const char *arg, Error **errp) |
333a96ec LC |
322 | { |
323 | if (strcmp(device, "vnc") == 0) { | |
05eb4a25 | 324 | #ifdef CONFIG_VNC |
7daecb30 | 325 | qmp_change_vnc(target, has_arg, arg, errp); |
05eb4a25 MAL |
326 | #else |
327 | error_setg(errp, QERR_FEATURE_DISABLED, "vnc"); | |
328 | #endif | |
333a96ec | 329 | } else { |
70e2cb3b KW |
330 | qmp_blockdev_change_medium(true, device, false, NULL, target, |
331 | has_arg, arg, false, 0, errp); | |
333a96ec LC |
332 | } |
333 | } | |
5eeee3fa | 334 | |
b224e5e2 LC |
335 | void qmp_add_client(const char *protocol, const char *fdname, |
336 | bool has_skipauth, bool skipauth, bool has_tls, bool tls, | |
337 | Error **errp) | |
338 | { | |
0ec7b3e7 | 339 | Chardev *s; |
b224e5e2 LC |
340 | int fd; |
341 | ||
342 | fd = monitor_get_fd(cur_mon, fdname, errp); | |
343 | if (fd < 0) { | |
344 | return; | |
345 | } | |
346 | ||
347 | if (strcmp(protocol, "spice") == 0) { | |
b25d81ba | 348 | if (!qemu_using_spice(errp)) { |
b224e5e2 LC |
349 | close(fd); |
350 | return; | |
351 | } | |
352 | skipauth = has_skipauth ? skipauth : false; | |
353 | tls = has_tls ? tls : false; | |
354 | if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) { | |
355 | error_setg(errp, "spice failed to add client"); | |
356 | close(fd); | |
357 | } | |
358 | return; | |
359 | #ifdef CONFIG_VNC | |
360 | } else if (strcmp(protocol, "vnc") == 0) { | |
361 | skipauth = has_skipauth ? skipauth : false; | |
362 | vnc_display_add_client(NULL, fd, skipauth); | |
363 | return; | |
364 | #endif | |
365 | } else if ((s = qemu_chr_find(protocol)) != NULL) { | |
366 | if (qemu_chr_add_client(s, fd) < 0) { | |
367 | error_setg(errp, "failed to add client"); | |
368 | close(fd); | |
369 | return; | |
370 | } | |
371 | return; | |
372 | } | |
373 | ||
374 | error_setg(errp, "protocol '%s' is invalid", protocol); | |
375 | close(fd); | |
376 | } | |
ab2d0531 | 377 | |
cff8b2c6 | 378 | |
6f2e2730 IM |
379 | MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp) |
380 | { | |
2cc0e2e8 | 381 | return qmp_memory_device_list(); |
6f2e2730 | 382 | } |
02419bcb IM |
383 | |
384 | ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp) | |
385 | { | |
386 | bool ambig; | |
387 | ACPIOSTInfoList *head = NULL; | |
388 | ACPIOSTInfoList **prev = &head; | |
389 | Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig); | |
390 | ||
391 | if (obj) { | |
392 | AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj); | |
393 | AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj); | |
394 | ||
395 | adevc->ospm_status(adev, &prev); | |
396 | } else { | |
397 | error_setg(errp, "command is not supported, missing ACPI device"); | |
398 | } | |
399 | ||
400 | return head; | |
401 | } | |
9aa3397f VG |
402 | |
403 | MemoryInfo *qmp_query_memory_size_summary(Error **errp) | |
404 | { | |
405 | MemoryInfo *mem_info = g_malloc0(sizeof(MemoryInfo)); | |
406 | ||
407 | mem_info->base_memory = ram_size; | |
408 | ||
409 | mem_info->plugged_memory = get_plugged_memory_size(); | |
410 | mem_info->has_plugged_memory = | |
411 | mem_info->plugged_memory != (uint64_t)-1; | |
412 | ||
413 | return mem_info; | |
414 | } |