| /* |
| * QEMU Management Protocol commands |
| * |
| * Copyright IBM, Corp. 2011 |
| * |
| * Authors: |
| * Anthony Liguori <aliguori@us.ibm.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2. See |
| * the COPYING file in the top-level directory. |
| * |
| * Contributions after 2012-01-13 are licensed under the terms of the |
| * GNU GPL, version 2 or (at your option) any later version. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu-common.h" |
| #include "qemu-version.h" |
| #include "qemu/cutils.h" |
| #include "qemu/option.h" |
| #include "monitor/monitor.h" |
| #include "sysemu/sysemu.h" |
| #include "qemu/config-file.h" |
| #include "qemu/uuid.h" |
| #include "chardev/char.h" |
| #include "ui/qemu-spice.h" |
| #include "ui/vnc.h" |
| #include "sysemu/kvm.h" |
| #include "sysemu/arch_init.h" |
| #include "sysemu/blockdev.h" |
| #include "sysemu/block-backend.h" |
| #include "qapi/error.h" |
| #include "qapi/qapi-commands-block-core.h" |
| #include "qapi/qapi-commands-machine.h" |
| #include "qapi/qapi-commands-misc.h" |
| #include "qapi/qapi-commands-ui.h" |
| #include "qapi/qmp/qerror.h" |
| #include "hw/boards.h" |
| #include "hw/mem/memory-device.h" |
| #include "hw/acpi/acpi_dev_interface.h" |
| |
| NameInfo *qmp_query_name(Error **errp) |
| { |
| NameInfo *info = g_malloc0(sizeof(*info)); |
| |
| if (qemu_name) { |
| info->has_name = true; |
| info->name = g_strdup(qemu_name); |
| } |
| |
| return info; |
| } |
| |
| VersionInfo *qmp_query_version(Error **errp) |
| { |
| VersionInfo *info = g_new0(VersionInfo, 1); |
| |
| info->qemu = g_new0(VersionTriple, 1); |
| info->qemu->major = QEMU_VERSION_MAJOR; |
| info->qemu->minor = QEMU_VERSION_MINOR; |
| info->qemu->micro = QEMU_VERSION_MICRO; |
| info->package = g_strdup(QEMU_PKGVERSION); |
| |
| return info; |
| } |
| |
| KvmInfo *qmp_query_kvm(Error **errp) |
| { |
| KvmInfo *info = g_malloc0(sizeof(*info)); |
| |
| info->enabled = kvm_enabled(); |
| info->present = kvm_available(); |
| |
| return info; |
| } |
| |
| UuidInfo *qmp_query_uuid(Error **errp) |
| { |
| UuidInfo *info = g_malloc0(sizeof(*info)); |
| |
| info->UUID = qemu_uuid_unparse_strdup(&qemu_uuid); |
| return info; |
| } |
| |
| void qmp_quit(Error **errp) |
| { |
| no_shutdown = 0; |
| qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_QMP_QUIT); |
| } |
| |
| void qmp_stop(Error **errp) |
| { |
| /* if there is a dump in background, we should wait until the dump |
| * finished */ |
| if (dump_in_progress()) { |
| error_setg(errp, "There is a dump in process, please wait."); |
| return; |
| } |
| |
| if (runstate_check(RUN_STATE_INMIGRATE)) { |
| autostart = 0; |
| } else { |
| vm_stop(RUN_STATE_PAUSED); |
| } |
| } |
| |
| void qmp_system_reset(Error **errp) |
| { |
| qemu_system_reset_request(SHUTDOWN_CAUSE_HOST_QMP_SYSTEM_RESET); |
| } |
| |
| void qmp_system_powerdown(Error **erp) |
| { |
| qemu_system_powerdown_request(); |
| } |
| |
| void qmp_cpu_add(int64_t id, Error **errp) |
| { |
| MachineClass *mc; |
| |
| mc = MACHINE_GET_CLASS(current_machine); |
| if (mc->hot_add_cpu) { |
| mc->hot_add_cpu(id, errp); |
| } else { |
| error_setg(errp, "Not supported"); |
| } |
| } |
| |
| void qmp_x_exit_preconfig(Error **errp) |
| { |
| if (!runstate_check(RUN_STATE_PRECONFIG)) { |
| error_setg(errp, "The command is permitted only in '%s' state", |
| RunState_str(RUN_STATE_PRECONFIG)); |
| return; |
| } |
| qemu_exit_preconfig_request(); |
| } |
| |
| void qmp_cont(Error **errp) |
| { |
| BlockBackend *blk; |
| BlockJob *job; |
| Error *local_err = NULL; |
| |
| /* if there is a dump in background, we should wait until the dump |
| * finished */ |
| if (dump_in_progress()) { |
| error_setg(errp, "There is a dump in process, please wait."); |
| return; |
| } |
| |
| if (runstate_needs_reset()) { |
| error_setg(errp, "Resetting the Virtual Machine is required"); |
| return; |
| } else if (runstate_check(RUN_STATE_SUSPENDED)) { |
| return; |
| } else if (runstate_check(RUN_STATE_FINISH_MIGRATE)) { |
| error_setg(errp, "Migration is not finalized yet"); |
| return; |
| } |
| |
| for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { |
| blk_iostatus_reset(blk); |
| } |
| |
| for (job = block_job_next(NULL); job; job = block_job_next(job)) { |
| block_job_iostatus_reset(job); |
| } |
| |
| /* Continuing after completed migration. Images have been inactivated to |
| * allow the destination to take control. Need to get control back now. |
| * |
| * If there are no inactive block nodes (e.g. because the VM was just |
| * paused rather than completing a migration), bdrv_inactivate_all() simply |
| * doesn't do anything. */ |
| bdrv_invalidate_cache_all(&local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| if (runstate_check(RUN_STATE_INMIGRATE)) { |
| autostart = 1; |
| } else { |
| vm_start(); |
| } |
| } |
| |
| void qmp_system_wakeup(Error **errp) |
| { |
| if (!qemu_wakeup_suspend_enabled()) { |
| error_setg(errp, |
| "wake-up from suspend is not supported by this guest"); |
| return; |
| } |
| |
| qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, errp); |
| } |
| |
| void qmp_set_password(const char *protocol, const char *password, |
| bool has_connected, const char *connected, Error **errp) |
| { |
| int disconnect_if_connected = 0; |
| int fail_if_connected = 0; |
| int rc; |
| |
| if (has_connected) { |
| if (strcmp(connected, "fail") == 0) { |
| fail_if_connected = 1; |
| } else if (strcmp(connected, "disconnect") == 0) { |
| disconnect_if_connected = 1; |
| } else if (strcmp(connected, "keep") == 0) { |
| /* nothing */ |
| } else { |
| error_setg(errp, QERR_INVALID_PARAMETER, "connected"); |
| return; |
| } |
| } |
| |
| if (strcmp(protocol, "spice") == 0) { |
| if (!qemu_using_spice(errp)) { |
| return; |
| } |
| rc = qemu_spice_set_passwd(password, fail_if_connected, |
| disconnect_if_connected); |
| if (rc != 0) { |
| error_setg(errp, QERR_SET_PASSWD_FAILED); |
| } |
| return; |
| } |
| |
| if (strcmp(protocol, "vnc") == 0) { |
| if (fail_if_connected || disconnect_if_connected) { |
| /* vnc supports "connected=keep" only */ |
| error_setg(errp, QERR_INVALID_PARAMETER, "connected"); |
| return; |
| } |
| /* Note that setting an empty password will not disable login through |
| * this interface. */ |
| rc = vnc_display_password(NULL, password); |
| if (rc < 0) { |
| error_setg(errp, QERR_SET_PASSWD_FAILED); |
| } |
| return; |
| } |
| |
| error_setg(errp, QERR_INVALID_PARAMETER, "protocol"); |
| } |
| |
| void qmp_expire_password(const char *protocol, const char *whenstr, |
| Error **errp) |
| { |
| time_t when; |
| int rc; |
| |
| if (strcmp(whenstr, "now") == 0) { |
| when = 0; |
| } else if (strcmp(whenstr, "never") == 0) { |
| when = TIME_MAX; |
| } else if (whenstr[0] == '+') { |
| when = time(NULL) + strtoull(whenstr+1, NULL, 10); |
| } else { |
| when = strtoull(whenstr, NULL, 10); |
| } |
| |
| if (strcmp(protocol, "spice") == 0) { |
| if (!qemu_using_spice(errp)) { |
| return; |
| } |
| rc = qemu_spice_set_pw_expire(when); |
| if (rc != 0) { |
| error_setg(errp, QERR_SET_PASSWD_FAILED); |
| } |
| return; |
| } |
| |
| if (strcmp(protocol, "vnc") == 0) { |
| rc = vnc_display_pw_expire(NULL, when); |
| if (rc != 0) { |
| error_setg(errp, QERR_SET_PASSWD_FAILED); |
| } |
| return; |
| } |
| |
| error_setg(errp, QERR_INVALID_PARAMETER, "protocol"); |
| } |
| |
| #ifdef CONFIG_VNC |
| void qmp_change_vnc_password(const char *password, Error **errp) |
| { |
| if (vnc_display_password(NULL, password) < 0) { |
| error_setg(errp, QERR_SET_PASSWD_FAILED); |
| } |
| } |
| |
| static void qmp_change_vnc_listen(const char *target, Error **errp) |
| { |
| QemuOptsList *olist = qemu_find_opts("vnc"); |
| QemuOpts *opts; |
| |
| if (strstr(target, "id=")) { |
| error_setg(errp, "id not supported"); |
| return; |
| } |
| |
| opts = qemu_opts_find(olist, "default"); |
| if (opts) { |
| qemu_opts_del(opts); |
| } |
| opts = vnc_parse(target, errp); |
| if (!opts) { |
| return; |
| } |
| |
| vnc_display_open("default", errp); |
| } |
| |
| static void qmp_change_vnc(const char *target, bool has_arg, const char *arg, |
| Error **errp) |
| { |
| if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) { |
| if (!has_arg) { |
| error_setg(errp, QERR_MISSING_PARAMETER, "password"); |
| } else { |
| qmp_change_vnc_password(arg, errp); |
| } |
| } else { |
| qmp_change_vnc_listen(target, errp); |
| } |
| } |
| #endif /* !CONFIG_VNC */ |
| |
| void qmp_change(const char *device, const char *target, |
| bool has_arg, const char *arg, Error **errp) |
| { |
| if (strcmp(device, "vnc") == 0) { |
| #ifdef CONFIG_VNC |
| qmp_change_vnc(target, has_arg, arg, errp); |
| #else |
| error_setg(errp, QERR_FEATURE_DISABLED, "vnc"); |
| #endif |
| } else { |
| qmp_blockdev_change_medium(true, device, false, NULL, target, |
| has_arg, arg, false, 0, errp); |
| } |
| } |
| |
| void qmp_add_client(const char *protocol, const char *fdname, |
| bool has_skipauth, bool skipauth, bool has_tls, bool tls, |
| Error **errp) |
| { |
| Chardev *s; |
| int fd; |
| |
| fd = monitor_get_fd(cur_mon, fdname, errp); |
| if (fd < 0) { |
| return; |
| } |
| |
| if (strcmp(protocol, "spice") == 0) { |
| if (!qemu_using_spice(errp)) { |
| close(fd); |
| return; |
| } |
| skipauth = has_skipauth ? skipauth : false; |
| tls = has_tls ? tls : false; |
| if (qemu_spice_display_add_client(fd, skipauth, tls) < 0) { |
| error_setg(errp, "spice failed to add client"); |
| close(fd); |
| } |
| return; |
| #ifdef CONFIG_VNC |
| } else if (strcmp(protocol, "vnc") == 0) { |
| skipauth = has_skipauth ? skipauth : false; |
| vnc_display_add_client(NULL, fd, skipauth); |
| return; |
| #endif |
| } else if ((s = qemu_chr_find(protocol)) != NULL) { |
| if (qemu_chr_add_client(s, fd) < 0) { |
| error_setg(errp, "failed to add client"); |
| close(fd); |
| return; |
| } |
| return; |
| } |
| |
| error_setg(errp, "protocol '%s' is invalid", protocol); |
| close(fd); |
| } |
| |
| |
| MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp) |
| { |
| return qmp_memory_device_list(); |
| } |
| |
| ACPIOSTInfoList *qmp_query_acpi_ospm_status(Error **errp) |
| { |
| bool ambig; |
| ACPIOSTInfoList *head = NULL; |
| ACPIOSTInfoList **prev = &head; |
| Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, &ambig); |
| |
| if (obj) { |
| AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj); |
| AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj); |
| |
| adevc->ospm_status(adev, &prev); |
| } else { |
| error_setg(errp, "command is not supported, missing ACPI device"); |
| } |
| |
| return head; |
| } |
| |
| MemoryInfo *qmp_query_memory_size_summary(Error **errp) |
| { |
| MemoryInfo *mem_info = g_malloc0(sizeof(MemoryInfo)); |
| |
| mem_info->base_memory = ram_size; |
| |
| mem_info->plugged_memory = get_plugged_memory_size(); |
| mem_info->has_plugged_memory = |
| mem_info->plugged_memory != (uint64_t)-1; |
| |
| return mem_info; |
| } |
