2 * QEMU Management Protocol commands
4 * Copyright IBM, Corp. 2011
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/osdep.h"
17 #include "qemu-common.h"
18 #include "qemu/cutils.h"
19 #include "qemu/option.h"
20 #include "monitor/monitor.h"
21 #include "sysemu/sysemu.h"
22 #include "qemu/config-file.h"
23 #include "qemu/uuid.h"
24 #include "chardev/char.h"
25 #include "ui/qemu-spice.h"
27 #include "sysemu/kvm.h"
28 #include "sysemu/runstate.h"
29 #include "sysemu/arch_init.h"
30 #include "sysemu/blockdev.h"
31 #include "sysemu/block-backend.h"
32 #include "qapi/error.h"
33 #include "qapi/qapi-commands-block-core.h"
34 #include "qapi/qapi-commands-control.h"
35 #include "qapi/qapi-commands-machine.h"
36 #include "qapi/qapi-commands-misc.h"
37 #include "qapi/qapi-commands-ui.h"
38 #include "qapi/qmp/qerror.h"
39 #include "hw/mem/memory-device.h"
40 #include "hw/acpi/acpi_dev_interface.h"
42 NameInfo *qmp_query_name(Error **errp)
44 NameInfo *info = g_malloc0(sizeof(*info));
47 info->has_name = true;
48 info->name = g_strdup(qemu_name);
54 KvmInfo *qmp_query_kvm(Error **errp)
56 KvmInfo *info = g_malloc0(sizeof(*info));
58 info->enabled = kvm_enabled();
59 info->present = kvm_available();
64 UuidInfo *qmp_query_uuid(Error **errp)
66 UuidInfo *info = g_malloc0(sizeof(*info));
68 info->UUID = qemu_uuid_unparse_strdup(&qemu_uuid);
72 void qmp_quit(Error **errp)
75 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_QMP_QUIT);
78 void qmp_stop(Error **errp)
80 /* if there is a dump in background, we should wait until the dump
82 if (dump_in_progress()) {
83 error_setg(errp, "There is a dump in process, please wait.");
87 if (runstate_check(RUN_STATE_INMIGRATE)) {
90 vm_stop(RUN_STATE_PAUSED);
94 void qmp_system_reset(Error **errp)
96 qemu_system_reset_request(SHUTDOWN_CAUSE_HOST_QMP_SYSTEM_RESET);
99 void qmp_system_powerdown(Error **errp)
101 qemu_system_powerdown_request();
104 void qmp_x_exit_preconfig(Error **errp)
106 if (!runstate_check(RUN_STATE_PRECONFIG)) {
107 error_setg(errp, "The command is permitted only in '%s' state",
108 RunState_str(RUN_STATE_PRECONFIG));
111 qemu_exit_preconfig_request();
114 void qmp_cont(Error **errp)
118 Error *local_err = NULL;
120 /* if there is a dump in background, we should wait until the dump
122 if (dump_in_progress()) {
123 error_setg(errp, "There is a dump in process, please wait.");
127 if (runstate_needs_reset()) {
128 error_setg(errp, "Resetting the Virtual Machine is required");
130 } else if (runstate_check(RUN_STATE_SUSPENDED)) {
132 } else if (runstate_check(RUN_STATE_FINISH_MIGRATE)) {
133 error_setg(errp, "Migration is not finalized yet");
137 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
138 blk_iostatus_reset(blk);
141 for (job = block_job_next(NULL); job; job = block_job_next(job)) {
142 block_job_iostatus_reset(job);
145 /* Continuing after completed migration. Images have been inactivated to
146 * allow the destination to take control. Need to get control back now.
148 * If there are no inactive block nodes (e.g. because the VM was just
149 * paused rather than completing a migration), bdrv_inactivate_all() simply
150 * doesn't do anything. */
151 bdrv_invalidate_cache_all(&local_err);
153 error_propagate(errp, local_err);
157 if (runstate_check(RUN_STATE_INMIGRATE)) {
164 void qmp_system_wakeup(Error **errp)
166 if (!qemu_wakeup_suspend_enabled()) {
168 "wake-up from suspend is not supported by this guest");
172 qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, errp);
175 void qmp_set_password(const char *protocol, const char *password,
176 bool has_connected, const char *connected, Error **errp)
178 int disconnect_if_connected = 0;
179 int fail_if_connected = 0;
183 if (strcmp(connected, "fail") == 0) {
184 fail_if_connected = 1;
185 } else if (strcmp(connected, "disconnect") == 0) {
186 disconnect_if_connected = 1;
187 } else if (strcmp(connected, "keep") == 0) {
190 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
195 if (strcmp(protocol, "spice") == 0) {
196 if (!qemu_using_spice(errp)) {
199 rc = qemu_spice_set_passwd(password, fail_if_connected,
200 disconnect_if_connected);
202 error_setg(errp, QERR_SET_PASSWD_FAILED);
207 if (strcmp(protocol, "vnc") == 0) {
208 if (fail_if_connected || disconnect_if_connected) {
209 /* vnc supports "connected=keep" only */
210 error_setg(errp, QERR_INVALID_PARAMETER, "connected");
213 /* Note that setting an empty password will not disable login through
215 rc = vnc_display_password(NULL, password);
217 error_setg(errp, QERR_SET_PASSWD_FAILED);
222 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
225 void qmp_expire_password(const char *protocol, const char *whenstr,
231 if (strcmp(whenstr, "now") == 0) {
233 } else if (strcmp(whenstr, "never") == 0) {
235 } else if (whenstr[0] == '+') {
236 when = time(NULL) + strtoull(whenstr+1, NULL, 10);
238 when = strtoull(whenstr, NULL, 10);
241 if (strcmp(protocol, "spice") == 0) {
242 if (!qemu_using_spice(errp)) {
245 rc = qemu_spice_set_pw_expire(when);
247 error_setg(errp, QERR_SET_PASSWD_FAILED);
252 if (strcmp(protocol, "vnc") == 0) {
253 rc = vnc_display_pw_expire(NULL, when);
255 error_setg(errp, QERR_SET_PASSWD_FAILED);
260 error_setg(errp, QERR_INVALID_PARAMETER, "protocol");
264 void qmp_change_vnc_password(const char *password, Error **errp)
266 if (vnc_display_password(NULL, password) < 0) {
267 error_setg(errp, QERR_SET_PASSWD_FAILED);
271 static void qmp_change_vnc_listen(const char *target, Error **errp)
273 QemuOptsList *olist = qemu_find_opts("vnc");
276 if (strstr(target, "id=")) {
277 error_setg(errp, "id not supported");
281 opts = qemu_opts_find(olist, "default");
285 opts = vnc_parse(target, errp);
290 vnc_display_open("default", errp);
293 static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
296 if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
298 error_setg(errp, QERR_MISSING_PARAMETER, "password");
300 qmp_change_vnc_password(arg, errp);
303 qmp_change_vnc_listen(target, errp);
306 #endif /* !CONFIG_VNC */
308 void qmp_change(const char *device, const char *target,
309 bool has_arg, const char *arg, Error **errp)
311 if (strcmp(device, "vnc") == 0) {
313 qmp_change_vnc(target, has_arg, arg, errp);
315 error_setg(errp, QERR_FEATURE_DISABLED, "vnc");
318 qmp_blockdev_change_medium(true, device, false, NULL, target,
319 has_arg, arg, false, 0, errp);
323 void qmp_add_client(const char *protocol, const char *fdname,
324 bool has_skipauth, bool skipauth, bool has_tls, bool tls,
330 fd = monitor_get_fd(cur_mon, fdname, errp);
335 if (strcmp(protocol, "spice") == 0) {
336 if (!qemu_using_spice(errp)) {
340 skipauth = has_skipauth ? skipauth : false;
341 tls = has_tls ? tls : false;
342 if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) {
343 error_setg(errp, "spice failed to add client");
348 } else if (strcmp(protocol, "vnc") == 0) {
349 skipauth = has_skipauth ? skipauth : false;
350 vnc_display_add_client(NULL, fd, skipauth);
353 } else if ((s = qemu_chr_find(protocol)) != NULL) {
354 if (qemu_chr_add_client(s, fd) < 0) {
355 error_setg(errp, "failed to add client");
362 error_setg(errp, "protocol '%s' is invalid", protocol);
367 MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp)
369 return qmp_memory_device_list();
372 ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp)
375 ACPIOSTInfoList *head = NULL;
376 ACPIOSTInfoList **prev = &head;
377 Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig);
380 AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
381 AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj);
383 adevc->ospm_status(adev, &prev);
385 error_setg(errp, "command is not supported, missing ACPI device");
391 MemoryInfo *qmp_query_memory_size_summary(Error **errp)
393 MemoryInfo *mem_info = g_malloc0(sizeof(MemoryInfo));
395 mem_info->base_memory = ram_size;
397 mem_info->plugged_memory = get_plugged_memory_size();
398 mem_info->has_plugged_memory =
399 mem_info->plugged_memory != (uint64_t)-1;