--- /dev/null
+/*
+ * 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-common.h"
+#include "monitor/monitor.h"
+#include "sysemu/sysemu.h"
+#include "qmp-commands.h"
+#include "sysemu/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 "qom/qom-qobject.h"
+#include "qapi/qmp/qerror.h"
+#include "qapi/qmp/qobject.h"
+#include "qapi/qmp-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);
+ const char *version = QEMU_VERSION;
+ char *tmp;
+
+ info->qemu = g_new0(VersionTriple, 1);
+ info->qemu->major = strtol(version, &tmp, 10);
+ tmp++;
+ info->qemu->minor = strtol(tmp, &tmp, 10);
+ tmp++;
+ info->qemu->micro = strtol(tmp, &tmp, 10);
+ 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));
+ char uuid[64];
+
+ snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
+ qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
+ qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
+ qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
+ qemu_uuid[14], qemu_uuid[15]);
+
+ info->UUID = g_strdup(uuid);
+ return info;
+}
+
+void qmp_quit(Error **errp)
+{
+ no_shutdown = 0;
+ qemu_system_shutdown_request();
+}
+
+void qmp_stop(Error **errp)
+{
+ if (runstate_check(RUN_STATE_INMIGRATE)) {
+ autostart = 0;
+ } else {
+ vm_stop(RUN_STATE_PAUSED);
+ }
+}
+
+void qmp_system_reset(Error **errp)
+{
+ qemu_system_reset_request();
+}
+
+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_input_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;
+ BlockDriverState *bs;
+
+ if (runstate_needs_reset()) {
+ error_setg(errp, "Resetting the Virtual Machine is required");
+ return;
+ } else if (runstate_check(RUN_STATE_SUSPENDED)) {
+ return;
+ }
+
+ for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
+ bdrv_iostatus_reset(bs);
+ }
+ for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
+ bdrv_add_key(bs, NULL, &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;
+
+ 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;
+ }
+
+ QTAILQ_FOREACH(prop, &obj->properties, node) {
+ 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;
+}
+
+/* FIXME: teach qapi about how to pass through Visitors */
+void qmp_qom_set(QDict *qdict, QObject **ret, Error **errp)
+{
+ const char *path = qdict_get_str(qdict, "path");
+ const char *property = qdict_get_str(qdict, "property");
+ QObject *value = qdict_get(qdict, "value");
+ 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);
+}
+
+void qmp_qom_get(QDict *qdict, QObject **ret, Error **errp)
+{
+ const char *path = qdict_get_str(qdict, "path");
+ const char *property = qdict_get_str(qdict, "property");
+ Object *obj;
+
+ obj = object_resolve_path(path, NULL);
+ if (!obj) {
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", path);
+ return;
+ }
+
+ *ret = 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_change_blockdev(device, target, arg, 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;
+ 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, "name", TYPE_DEVICE);
+ return NULL;
+ }
+
+ obj = object_new(typename);
+
+ QTAILQ_FOREACH(prop, &obj->properties, node) {
+ 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);
+}
+
+void qmp_add_client(const char *protocol, const char *fdname,
+ bool has_skipauth, bool skipauth, bool has_tls, bool tls,
+ Error **errp)
+{
+ CharDriverState *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 object_add(const char *type, const char *id, const QDict *qdict,
+ Visitor *v, Error **errp)
+{
+ Object *obj;
+ ObjectClass *klass;
+ const QDictEntry *e;
+ Error *local_err = NULL;
+
+ klass = object_class_by_name(type);
+ if (!klass) {
+ error_setg(errp, "invalid object type: %s", type);
+ return;
+ }
+
+ if (!object_class_dynamic_cast(klass, TYPE_USER_CREATABLE)) {
+ error_setg(errp, "object type '%s' isn't supported by object-add",
+ type);
+ return;
+ }
+
+ if (object_class_is_abstract(klass)) {
+ error_setg(errp, "object type '%s' is abstract", type);
+ return;
+ }
+
+ obj = object_new(type);
+ if (qdict) {
+ for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
+ object_property_set(obj, v, e->key, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ }
+ }
+
+ object_property_add_child(object_get_objects_root(),
+ id, obj, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
+ user_creatable_complete(obj, &local_err);
+ if (local_err) {
+ object_property_del(object_get_objects_root(),
+ id, &error_abort);
+ goto out;
+ }
+out:
+ if (local_err) {
+ error_propagate(errp, local_err);
+ }
+ object_unref(obj);
+}
+
+void qmp_object_add(QDict *qdict, QObject **ret, Error **errp)
+{
+ const char *type = qdict_get_str(qdict, "qom-type");
+ const char *id = qdict_get_str(qdict, "id");
+ QObject *props = qdict_get(qdict, "props");
+ const QDict *pdict = NULL;
+ QmpInputVisitor *qiv;
+
+ if (props) {
+ pdict = qobject_to_qdict(props);
+ if (!pdict) {
+ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
+ return;
+ }
+ }
+
+ qiv = qmp_input_visitor_new(props);
+ object_add(type, id, pdict, qmp_input_get_visitor(qiv), errp);
+ qmp_input_visitor_cleanup(qiv);
+}
+
+void qmp_object_del(const char *id, Error **errp)
+{
+ Object *container;
+ Object *obj;
+
+ container = object_get_objects_root();
+ obj = object_resolve_path_component(container, id);
+ if (!obj) {
+ error_setg(errp, "object id not found");
+ return;
+ }
+
+ if (!user_creatable_can_be_deleted(USER_CREATABLE(obj), errp)) {
+ error_setg(errp, "%s is in use, can not be deleted", id);
+ return;
+ }
+ object_unparent(obj);
+}
+
+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;
+}
Code Review / kvmfornfv.git / blobdiff