/* * QEMU Management Protocol * * 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-version.h" #include "qemu/cutils.h" #include "monitor/monitor.h" #include "sysemu/sysemu.h" #include "qemu/config-file.h" #include "qemu/uuid.h" #include "qmp-commands.h" #include "chardev/char.h" #include "ui/qemu-spice.h" #include "ui/vnc.h" #include "sysemu/kvm.h" #include "sysemu/arch_init.h" #include "hw/qdev.h" #include "sysemu/blockdev.h" #include "sysemu/block-backend.h" #include "qom/qom-qobject.h" #include "qapi/qmp/qerror.h" #include "qapi/qmp/qobject.h" #include "qapi/qobject-input-visitor.h" #include "hw/boards.h" #include "qom/object_interfaces.h" #include "hw/mem/pc-dimm.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); } 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); } void qmp_system_powerdown(Error **erp) { qemu_system_powerdown_request(); } void qmp_cpu(int64_t index, Error **errp) { /* Just do nothing */ } 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"); } } #ifndef CONFIG_VNC /* If VNC support is enabled, the "true" query-vnc command is defined in the VNC subsystem */ VncInfo *qmp_query_vnc(Error **errp) { error_setg(errp, QERR_FEATURE_DISABLED, "vnc"); return NULL; }; VncInfo2List *qmp_query_vnc_servers(Error **errp) { error_setg(errp, QERR_FEATURE_DISABLED, "vnc"); return NULL; }; #endif #ifndef CONFIG_SPICE /* * qmp-commands.hx ensures that QMP command query-spice exists only * #ifdef CONFIG_SPICE. Necessary for an accurate query-commands * result. However, the QAPI schema is blissfully unaware of that, * and the QAPI code generator happily generates a dead * qmp_marshal_query_spice() that calls qmp_query_spice(). Provide it * one, or else linking fails. FIXME Educate the QAPI schema on * CONFIG_SPICE. */ SpiceInfo *qmp_query_spice(Error **errp) { abort(); }; #endif void qmp_cont(Error **errp) { Error *local_err = NULL; BlockBackend *blk; BlockDriverState *bs; BdrvNextIterator it; /* 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; } for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { blk_iostatus_reset(blk); } for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { bdrv_add_key(bs, NULL, &local_err); if (local_err) { error_propagate(errp, local_err); return; } } /* 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) { qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER); } ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp) { Object *obj; bool ambiguous = false; ObjectPropertyInfoList *props = NULL; ObjectProperty *prop; ObjectPropertyIterator iter; obj = object_resolve_path(path, &ambiguous); if (obj == NULL) { if (ambiguous) { error_setg(errp, "Path '%s' is ambiguous", path); } else { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", path); } return NULL; } object_property_iter_init(&iter, obj); while ((prop = object_property_iter_next(&iter))) { ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry)); entry->value = g_malloc0(sizeof(ObjectPropertyInfo)); entry->next = props; props = entry; entry->value->name = g_strdup(prop->name); entry->value->type = g_strdup(prop->type); } return props; } void qmp_qom_set(const char *path, const char *property, QObject *value, Error **errp) { Object *obj; obj = object_resolve_path(path, NULL); if (!obj) { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", path); return; } object_property_set_qobject(obj, value, property, errp); } QObject *qmp_qom_get(const char *path, const char *property, Error **errp) { Object *obj; obj = object_resolve_path(path, NULL); if (!obj) { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", path); return NULL; } return object_property_get_qobject(obj, property, 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); } } #else void qmp_change_vnc_password(const char *password, Error **errp) { error_setg(errp, QERR_FEATURE_DISABLED, "vnc"); } static void qmp_change_vnc(const char *target, bool has_arg, const char *arg, Error **errp) { error_setg(errp, QERR_FEATURE_DISABLED, "vnc"); } #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) { qmp_change_vnc(target, has_arg, arg, errp); } else { qmp_blockdev_change_medium(true, device, false, NULL, target, has_arg, arg, false, 0, errp); } } static void qom_list_types_tramp(ObjectClass *klass, void *data) { ObjectTypeInfoList *e, **pret = data; ObjectTypeInfo *info; info = g_malloc0(sizeof(*info)); info->name = g_strdup(object_class_get_name(klass)); e = g_malloc0(sizeof(*e)); e->value = info; e->next = *pret; *pret = e; } ObjectTypeInfoList *qmp_qom_list_types(bool has_implements, const char *implements, bool has_abstract, bool abstract, Error **errp) { ObjectTypeInfoList *ret = NULL; object_class_foreach(qom_list_types_tramp, implements, abstract, &ret); return ret; } /* Return a DevicePropertyInfo for a qdev property. * * If a qdev property with the given name does not exist, use the given default * type. If the qdev property info should not be shown, return NULL. * * The caller must free the return value. */ static DevicePropertyInfo *make_device_property_info(ObjectClass *klass, const char *name, const char *default_type, const char *description) { DevicePropertyInfo *info; Property *prop; do { for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) { if (strcmp(name, prop->name) != 0) { continue; } /* * TODO Properties without a parser are just for dirty hacks. * qdev_prop_ptr is the only such PropertyInfo. It's marked * for removal. This conditional should be removed along with * it. */ if (!prop->info->set) { return NULL; /* no way to set it, don't show */ } info = g_malloc0(sizeof(*info)); info->name = g_strdup(prop->name); info->type = g_strdup(prop->info->name); info->has_description = !!prop->info->description; info->description = g_strdup(prop->info->description); return info; } klass = object_class_get_parent(klass); } while (klass != object_class_by_name(TYPE_DEVICE)); /* Not a qdev property, use the default type */ info = g_malloc0(sizeof(*info)); info->name = g_strdup(name); info->type = g_strdup(default_type); info->has_description = !!description; info->description = g_strdup(description); return info; } DevicePropertyInfoList *qmp_device_list_properties(const char *typename, Error **errp) { ObjectClass *klass; Object *obj; ObjectProperty *prop; ObjectPropertyIterator iter; DevicePropertyInfoList *prop_list = NULL; klass = object_class_by_name(typename); if (klass == NULL) { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", typename); return NULL; } klass = object_class_dynamic_cast(klass, TYPE_DEVICE); if (klass == NULL) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_DEVICE); return NULL; } if (object_class_is_abstract(klass)) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", "non-abstract device type"); return NULL; } obj = object_new(typename); object_property_iter_init(&iter, obj); while ((prop = object_property_iter_next(&iter))) { DevicePropertyInfo *info; DevicePropertyInfoList *entry; /* Skip Object and DeviceState properties */ if (strcmp(prop->name, "type") == 0 || strcmp(prop->name, "realized") == 0 || strcmp(prop->name, "hotpluggable") == 0 || strcmp(prop->name, "hotplugged") == 0 || strcmp(prop->name, "parent_bus") == 0) { continue; } /* Skip legacy properties since they are just string versions of * properties that we already list. */ if (strstart(prop->name, "legacy-", NULL)) { continue; } info = make_device_property_info(klass, prop->name, prop->type, prop->description); if (!info) { continue; } entry = g_malloc0(sizeof(*entry)); entry->value = info; entry->next = prop_list; prop_list = entry; } object_unref(obj); return prop_list; } CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp) { return arch_query_cpu_definitions(errp); } CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type, CpuModelInfo *model, Error **errp) { return arch_query_cpu_model_expansion(type, model, errp); } CpuModelCompareInfo *qmp_query_cpu_model_comparison(CpuModelInfo *modela, CpuModelInfo *modelb, Error **errp) { return arch_query_cpu_model_comparison(modela, modelb, errp); } CpuModelBaselineInfo *qmp_query_cpu_model_baseline(CpuModelInfo *modela, CpuModelInfo *modelb, Error **errp) { return arch_query_cpu_model_baseline(modela, modelb, 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); } void qmp_object_add(const char *type, const char *id, bool has_props, QObject *props, Error **errp) { QDict *pdict; Visitor *v; Object *obj; if (props) { pdict = qobject_to_qdict(props); if (!pdict) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict"); return; } QINCREF(pdict); } else { pdict = qdict_new(); } v = qobject_input_visitor_new(QOBJECT(pdict)); obj = user_creatable_add_type(type, id, pdict, v, errp); visit_free(v); if (obj) { object_unref(obj); } QDECREF(pdict); } void qmp_object_del(const char *id, Error **errp) { user_creatable_del(id, errp); } MemoryDeviceInfoList *qmp_query_memory_devices(Error **errp) { MemoryDeviceInfoList *head = NULL; MemoryDeviceInfoList **prev = &head; qmp_pc_dimm_device_list(qdev_get_machine(), &prev); return head; } 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; }