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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" |
f348b6d1 | 18 | #include "qemu/cutils.h" |
922a01a0 | 19 | #include "qemu/option.h" |
a0b1a66e | 20 | #include "monitor/monitor.h" |
9c17d615 | 21 | #include "sysemu/sysemu.h" |
213dcb06 | 22 | #include "qemu/config-file.h" |
cea25275 | 23 | #include "qemu/uuid.h" |
8228e353 | 24 | #include "chardev/char.h" |
fbf796fd | 25 | #include "ui/qemu-spice.h" |
fb246f05 | 26 | #include "ui/console.h" |
9c17d615 | 27 | #include "sysemu/kvm.h" |
54d31236 | 28 | #include "sysemu/runstate.h" |
e6dba048 | 29 | #include "sysemu/runstate-action.h" |
9c17d615 | 30 | #include "sysemu/blockdev.h" |
373340b2 | 31 | #include "sysemu/block-backend.h" |
e688df6b | 32 | #include "qapi/error.h" |
27c9188f | 33 | #include "qapi/qapi-commands-acpi.h" |
5a16818b | 34 | #include "qapi/qapi-commands-block.h" |
fa4dcf57 | 35 | #include "qapi/qapi-commands-control.h" |
8ac25c84 | 36 | #include "qapi/qapi-commands-machine.h" |
112ed241 MA |
37 | #include "qapi/qapi-commands-misc.h" |
38 | #include "qapi/qapi-commands-ui.h" | |
37087fde | 39 | #include "qapi/type-helpers.h" |
cc7a8ea7 | 40 | #include "qapi/qmp/qerror.h" |
ca411b7c | 41 | #include "exec/ramlist.h" |
2cc0e2e8 | 42 | #include "hw/mem/memory-device.h" |
02419bcb | 43 | #include "hw/acpi/acpi_dev_interface.h" |
91f2fa70 | 44 | #include "hw/intc/intc.h" |
8dbbca5c | 45 | #include "hw/rdma/rdma.h" |
48a32bed AL |
46 | |
47 | NameInfo *qmp_query_name(Error **errp) | |
48 | { | |
49 | NameInfo *info = g_malloc0(sizeof(*info)); | |
50 | ||
51 | if (qemu_name) { | |
52 | info->has_name = true; | |
53 | info->name = g_strdup(qemu_name); | |
54 | } | |
55 | ||
56 | return info; | |
57 | } | |
b9c15f16 | 58 | |
292a2602 LC |
59 | KvmInfo *qmp_query_kvm(Error **errp) |
60 | { | |
61 | KvmInfo *info = g_malloc0(sizeof(*info)); | |
62 | ||
63 | info->enabled = kvm_enabled(); | |
4f9205be | 64 | info->present = accel_find("kvm"); |
292a2602 LC |
65 | |
66 | return info; | |
67 | } | |
68 | ||
efab767e LC |
69 | UuidInfo *qmp_query_uuid(Error **errp) |
70 | { | |
71 | UuidInfo *info = g_malloc0(sizeof(*info)); | |
efab767e | 72 | |
9c5ce8db | 73 | info->UUID = qemu_uuid_unparse_strdup(&qemu_uuid); |
efab767e LC |
74 | return info; |
75 | } | |
76 | ||
7daecb30 | 77 | void qmp_quit(Error **errp) |
7a7f325e | 78 | { |
e6dba048 | 79 | shutdown_action = SHUTDOWN_ACTION_POWEROFF; |
92548938 | 80 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_QMP_QUIT); |
7a7f325e LC |
81 | } |
82 | ||
5f158f21 LC |
83 | void qmp_stop(Error **errp) |
84 | { | |
65d64f36 PX |
85 | /* if there is a dump in background, we should wait until the dump |
86 | * finished */ | |
87 | if (dump_in_progress()) { | |
88 | error_setg(errp, "There is a dump in process, please wait."); | |
89 | return; | |
90 | } | |
91 | ||
1e998146 PB |
92 | if (runstate_check(RUN_STATE_INMIGRATE)) { |
93 | autostart = 0; | |
94 | } else { | |
95 | vm_stop(RUN_STATE_PAUSED); | |
96 | } | |
5f158f21 LC |
97 | } |
98 | ||
38d22653 LC |
99 | void qmp_system_reset(Error **errp) |
100 | { | |
92548938 | 101 | qemu_system_reset_request(SHUTDOWN_CAUSE_HOST_QMP_SYSTEM_RESET); |
38d22653 | 102 | } |
5bc465e4 | 103 | |
ec48595e | 104 | void qmp_system_powerdown(Error **errp) |
5bc465e4 LC |
105 | { |
106 | qemu_system_powerdown_request(); | |
107 | } | |
755f1968 | 108 | |
e42e818b LC |
109 | void qmp_cont(Error **errp) |
110 | { | |
373340b2 | 111 | BlockBackend *blk; |
68d00e42 | 112 | BlockJob *job; |
788cf9f8 | 113 | Error *local_err = NULL; |
e42e818b | 114 | |
65d64f36 PX |
115 | /* if there is a dump in background, we should wait until the dump |
116 | * finished */ | |
117 | if (dump_in_progress()) { | |
118 | error_setg(errp, "There is a dump in process, please wait."); | |
119 | return; | |
120 | } | |
121 | ||
ede085b3 | 122 | if (runstate_needs_reset()) { |
f231b88d | 123 | error_setg(errp, "Resetting the Virtual Machine is required"); |
e42e818b | 124 | return; |
ad02b96a LC |
125 | } else if (runstate_check(RUN_STATE_SUSPENDED)) { |
126 | return; | |
9183dd15 VSO |
127 | } else if (runstate_check(RUN_STATE_FINISH_MIGRATE)) { |
128 | error_setg(errp, "Migration is not finalized yet"); | |
129 | return; | |
e42e818b LC |
130 | } |
131 | ||
373340b2 HR |
132 | for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { |
133 | blk_iostatus_reset(blk); | |
ab31979a | 134 | } |
7c8eece4 | 135 | |
68d00e42 VSO |
136 | for (job = block_job_next(NULL); job; job = block_job_next(job)) { |
137 | block_job_iostatus_reset(job); | |
138 | } | |
139 | ||
76b1c7fe | 140 | /* Continuing after completed migration. Images have been inactivated to |
ace21a58 KW |
141 | * allow the destination to take control. Need to get control back now. |
142 | * | |
143 | * If there are no inactive block nodes (e.g. because the VM was just | |
144 | * paused rather than completing a migration), bdrv_inactivate_all() simply | |
145 | * doesn't do anything. */ | |
146 | bdrv_invalidate_cache_all(&local_err); | |
147 | if (local_err) { | |
148 | error_propagate(errp, local_err); | |
149 | return; | |
76b1c7fe KW |
150 | } |
151 | ||
1e998146 PB |
152 | if (runstate_check(RUN_STATE_INMIGRATE)) { |
153 | autostart = 1; | |
154 | } else { | |
155 | vm_start(); | |
156 | } | |
e42e818b | 157 | } |
b4b12c62 | 158 | |
9b9df25a GH |
159 | void qmp_system_wakeup(Error **errp) |
160 | { | |
fb064112 DHB |
161 | if (!qemu_wakeup_suspend_enabled()) { |
162 | error_setg(errp, | |
163 | "wake-up from suspend is not supported by this guest"); | |
164 | return; | |
165 | } | |
166 | ||
167 | qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, errp); | |
9b9df25a GH |
168 | } |
169 | ||
fbf796fd LC |
170 | void qmp_set_password(const char *protocol, const char *password, |
171 | bool has_connected, const char *connected, Error **errp) | |
172 | { | |
173 | int disconnect_if_connected = 0; | |
174 | int fail_if_connected = 0; | |
175 | int rc; | |
176 | ||
177 | if (has_connected) { | |
178 | if (strcmp(connected, "fail") == 0) { | |
179 | fail_if_connected = 1; | |
180 | } else if (strcmp(connected, "disconnect") == 0) { | |
181 | disconnect_if_connected = 1; | |
182 | } else if (strcmp(connected, "keep") == 0) { | |
183 | /* nothing */ | |
184 | } else { | |
c6bd8c70 | 185 | error_setg(errp, QERR_INVALID_PARAMETER, "connected"); |
fbf796fd LC |
186 | return; |
187 | } | |
188 | } | |
189 | ||
190 | if (strcmp(protocol, "spice") == 0) { | |
b25d81ba | 191 | if (!qemu_using_spice(errp)) { |
fbf796fd LC |
192 | return; |
193 | } | |
08ad2626 | 194 | rc = qemu_spice.set_passwd(password, fail_if_connected, |
fbf796fd | 195 | disconnect_if_connected); |
9272186d | 196 | } else if (strcmp(protocol, "vnc") == 0) { |
fbf796fd LC |
197 | if (fail_if_connected || disconnect_if_connected) { |
198 | /* vnc supports "connected=keep" only */ | |
c6bd8c70 | 199 | error_setg(errp, QERR_INVALID_PARAMETER, "connected"); |
fbf796fd LC |
200 | return; |
201 | } | |
202 | /* Note that setting an empty password will not disable login through | |
203 | * this interface. */ | |
204 | rc = vnc_display_password(NULL, password); | |
9272186d MA |
205 | } else { |
206 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", | |
207 | "'vnc' or 'spice'"); | |
fbf796fd LC |
208 | return; |
209 | } | |
210 | ||
9272186d MA |
211 | if (rc != 0) { |
212 | error_setg(errp, "Could not set password"); | |
213 | } | |
fbf796fd | 214 | } |
9ad5372d LC |
215 | |
216 | void qmp_expire_password(const char *protocol, const char *whenstr, | |
217 | Error **errp) | |
218 | { | |
219 | time_t when; | |
220 | int rc; | |
221 | ||
222 | if (strcmp(whenstr, "now") == 0) { | |
223 | when = 0; | |
224 | } else if (strcmp(whenstr, "never") == 0) { | |
225 | when = TIME_MAX; | |
226 | } else if (whenstr[0] == '+') { | |
227 | when = time(NULL) + strtoull(whenstr+1, NULL, 10); | |
228 | } else { | |
229 | when = strtoull(whenstr, NULL, 10); | |
230 | } | |
231 | ||
232 | if (strcmp(protocol, "spice") == 0) { | |
b25d81ba | 233 | if (!qemu_using_spice(errp)) { |
9ad5372d LC |
234 | return; |
235 | } | |
08ad2626 | 236 | rc = qemu_spice.set_pw_expire(when); |
9272186d | 237 | } else if (strcmp(protocol, "vnc") == 0) { |
9ad5372d | 238 | rc = vnc_display_pw_expire(NULL, when); |
9272186d MA |
239 | } else { |
240 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", | |
241 | "'vnc' or 'spice'"); | |
9ad5372d LC |
242 | return; |
243 | } | |
244 | ||
9272186d MA |
245 | if (rc != 0) { |
246 | error_setg(errp, "Could not set password expire time"); | |
247 | } | |
9ad5372d | 248 | } |
270b243f | 249 | |
333a96ec | 250 | #ifdef CONFIG_VNC |
270b243f LC |
251 | void qmp_change_vnc_password(const char *password, Error **errp) |
252 | { | |
253 | if (vnc_display_password(NULL, password) < 0) { | |
9272186d | 254 | error_setg(errp, "Could not set password"); |
270b243f LC |
255 | } |
256 | } | |
05eb4a25 | 257 | #endif |
5eeee3fa | 258 | |
b224e5e2 LC |
259 | void qmp_add_client(const char *protocol, const char *fdname, |
260 | bool has_skipauth, bool skipauth, bool has_tls, bool tls, | |
261 | Error **errp) | |
262 | { | |
0ec7b3e7 | 263 | Chardev *s; |
b224e5e2 LC |
264 | int fd; |
265 | ||
947e4744 | 266 | fd = monitor_get_fd(monitor_cur(), fdname, errp); |
b224e5e2 LC |
267 | if (fd < 0) { |
268 | return; | |
269 | } | |
270 | ||
271 | if (strcmp(protocol, "spice") == 0) { | |
b25d81ba | 272 | if (!qemu_using_spice(errp)) { |
b224e5e2 LC |
273 | close(fd); |
274 | return; | |
275 | } | |
276 | skipauth = has_skipauth ? skipauth : false; | |
277 | tls = has_tls ? tls : false; | |
864a024c | 278 | if (qemu_spice.display_add_client(fd, skipauth, tls) < 0) { |
b224e5e2 LC |
279 | error_setg(errp, "spice failed to add client"); |
280 | close(fd); | |
281 | } | |
282 | return; | |
283 | #ifdef CONFIG_VNC | |
284 | } else if (strcmp(protocol, "vnc") == 0) { | |
285 | skipauth = has_skipauth ? skipauth : false; | |
286 | vnc_display_add_client(NULL, fd, skipauth); | |
287 | return; | |
288 | #endif | |
289 | } else if ((s = qemu_chr_find(protocol)) != NULL) { | |
290 | if (qemu_chr_add_client(s, fd) < 0) { | |
291 | error_setg(errp, "failed to add client"); | |
292 | close(fd); | |
293 | return; | |
294 | } | |
295 | return; | |
296 | } | |
297 | ||
298 | error_setg(errp, "protocol '%s' is invalid", protocol); | |
299 | close(fd); | |
300 | } | |
ab2d0531 | 301 | |
cff8b2c6 | 302 | |
6f2e2730 IM |
303 | MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp) |
304 | { | |
2cc0e2e8 | 305 | return qmp_memory_device_list(); |
6f2e2730 | 306 | } |
02419bcb IM |
307 | |
308 | ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp) | |
309 | { | |
310 | bool ambig; | |
311 | ACPIOSTInfoList *head = NULL; | |
312 | ACPIOSTInfoList **prev = &head; | |
313 | Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig); | |
314 | ||
315 | if (obj) { | |
316 | AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj); | |
317 | AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj); | |
318 | ||
319 | adevc->ospm_status(adev, &prev); | |
320 | } else { | |
321 | error_setg(errp, "command is not supported, missing ACPI device"); | |
322 | } | |
323 | ||
324 | return head; | |
325 | } | |
9aa3397f VG |
326 | |
327 | MemoryInfo *qmp_query_memory_size_summary(Error **errp) | |
328 | { | |
329 | MemoryInfo *mem_info = g_malloc0(sizeof(MemoryInfo)); | |
b326b6ea | 330 | MachineState *ms = MACHINE(qdev_get_machine()); |
9aa3397f | 331 | |
b326b6ea | 332 | mem_info->base_memory = ms->ram_size; |
9aa3397f VG |
333 | |
334 | mem_info->plugged_memory = get_plugged_memory_size(); | |
335 | mem_info->has_plugged_memory = | |
336 | mem_info->plugged_memory != (uint64_t)-1; | |
337 | ||
338 | return mem_info; | |
339 | } | |
9cc07651 ZC |
340 | |
341 | void qmp_display_reload(DisplayReloadOptions *arg, Error **errp) | |
342 | { | |
343 | switch (arg->type) { | |
344 | case DISPLAY_RELOAD_TYPE_VNC: | |
345 | #ifdef CONFIG_VNC | |
346 | if (arg->u.vnc.has_tls_certs && arg->u.vnc.tls_certs) { | |
347 | vnc_display_reload_certs(NULL, errp); | |
348 | } | |
349 | #else | |
350 | error_setg(errp, "vnc is invalid, missing 'CONFIG_VNC'"); | |
351 | #endif | |
352 | break; | |
353 | default: | |
354 | abort(); | |
355 | } | |
356 | } | |
37087fde DB |
357 | |
358 | #ifdef CONFIG_PROFILER | |
359 | ||
360 | int64_t dev_time; | |
361 | ||
362 | HumanReadableText *qmp_x_query_profile(Error **errp) | |
363 | { | |
364 | g_autoptr(GString) buf = g_string_new(""); | |
365 | static int64_t last_cpu_exec_time; | |
366 | int64_t cpu_exec_time; | |
367 | int64_t delta; | |
368 | ||
369 | cpu_exec_time = tcg_cpu_exec_time(); | |
370 | delta = cpu_exec_time - last_cpu_exec_time; | |
371 | ||
372 | g_string_append_printf(buf, "async time %" PRId64 " (%0.3f)\n", | |
373 | dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); | |
374 | g_string_append_printf(buf, "qemu time %" PRId64 " (%0.3f)\n", | |
375 | delta, delta / (double)NANOSECONDS_PER_SECOND); | |
376 | last_cpu_exec_time = cpu_exec_time; | |
377 | dev_time = 0; | |
378 | ||
379 | return human_readable_text_from_str(buf); | |
380 | } | |
381 | #else | |
382 | HumanReadableText *qmp_x_query_profile(Error **errp) | |
383 | { | |
384 | error_setg(errp, "Internal profiler not compiled"); | |
385 | return NULL; | |
386 | } | |
387 | #endif | |
8dbbca5c DB |
388 | |
389 | static int qmp_x_query_rdma_foreach(Object *obj, void *opaque) | |
390 | { | |
391 | RdmaProvider *rdma; | |
392 | RdmaProviderClass *k; | |
393 | GString *buf = opaque; | |
394 | ||
395 | if (object_dynamic_cast(obj, INTERFACE_RDMA_PROVIDER)) { | |
396 | rdma = RDMA_PROVIDER(obj); | |
397 | k = RDMA_PROVIDER_GET_CLASS(obj); | |
398 | if (k->format_statistics) { | |
399 | k->format_statistics(rdma, buf); | |
400 | } else { | |
401 | g_string_append_printf(buf, | |
402 | "RDMA statistics not available for %s.\n", | |
403 | object_get_typename(obj)); | |
404 | } | |
405 | } | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | HumanReadableText *qmp_x_query_rdma(Error **errp) | |
411 | { | |
412 | g_autoptr(GString) buf = g_string_new(""); | |
413 | ||
414 | object_child_foreach_recursive(object_get_root(), | |
415 | qmp_x_query_rdma_foreach, buf); | |
416 | ||
417 | return human_readable_text_from_str(buf); | |
418 | } | |
ca411b7c DB |
419 | |
420 | HumanReadableText *qmp_x_query_ramblock(Error **errp) | |
421 | { | |
422 | g_autoptr(GString) buf = ram_block_format(); | |
423 | ||
424 | return human_readable_text_from_str(buf); | |
425 | } | |
91f2fa70 DB |
426 | |
427 | static int qmp_x_query_irq_foreach(Object *obj, void *opaque) | |
428 | { | |
429 | InterruptStatsProvider *intc; | |
430 | InterruptStatsProviderClass *k; | |
431 | GString *buf = opaque; | |
432 | ||
433 | if (object_dynamic_cast(obj, TYPE_INTERRUPT_STATS_PROVIDER)) { | |
434 | intc = INTERRUPT_STATS_PROVIDER(obj); | |
435 | k = INTERRUPT_STATS_PROVIDER_GET_CLASS(obj); | |
436 | uint64_t *irq_counts; | |
437 | unsigned int nb_irqs, i; | |
438 | if (k->get_statistics && | |
439 | k->get_statistics(intc, &irq_counts, &nb_irqs)) { | |
440 | if (nb_irqs > 0) { | |
441 | g_string_append_printf(buf, "IRQ statistics for %s:\n", | |
442 | object_get_typename(obj)); | |
443 | for (i = 0; i < nb_irqs; i++) { | |
444 | if (irq_counts[i] > 0) { | |
445 | g_string_append_printf(buf, "%2d: %" PRId64 "\n", i, | |
446 | irq_counts[i]); | |
447 | } | |
448 | } | |
449 | } | |
450 | } else { | |
451 | g_string_append_printf(buf, | |
452 | "IRQ statistics not available for %s.\n", | |
453 | object_get_typename(obj)); | |
454 | } | |
455 | } | |
456 | ||
457 | return 0; | |
458 | } | |
459 | ||
460 | HumanReadableText *qmp_x_query_irq(Error **errp) | |
461 | { | |
462 | g_autoptr(GString) buf = g_string_new(""); | |
463 | ||
464 | object_child_foreach_recursive(object_get_root(), | |
465 | qmp_x_query_irq_foreach, buf); | |
466 | ||
467 | return human_readable_text_from_str(buf); | |
468 | } |