mirror of https://gitee.com/openkylin/qemu.git
418 lines
11 KiB
C
418 lines
11 KiB
C
/*
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* QEMU Management Protocol
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*
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu-common.h"
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#include "sysemu.h"
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#include "qmp-commands.h"
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#include "ui/qemu-spice.h"
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#include "ui/vnc.h"
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#include "kvm.h"
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#include "arch_init.h"
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#include "hw/qdev.h"
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#include "blockdev.h"
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#include "qemu/qom-qobject.h"
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NameInfo *qmp_query_name(Error **errp)
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{
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NameInfo *info = g_malloc0(sizeof(*info));
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if (qemu_name) {
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info->has_name = true;
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info->name = g_strdup(qemu_name);
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}
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return info;
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}
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VersionInfo *qmp_query_version(Error **err)
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{
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VersionInfo *info = g_malloc0(sizeof(*info));
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const char *version = QEMU_VERSION;
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char *tmp;
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info->qemu.major = strtol(version, &tmp, 10);
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tmp++;
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info->qemu.minor = strtol(tmp, &tmp, 10);
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tmp++;
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info->qemu.micro = strtol(tmp, &tmp, 10);
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info->package = g_strdup(QEMU_PKGVERSION);
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return info;
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}
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KvmInfo *qmp_query_kvm(Error **errp)
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{
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KvmInfo *info = g_malloc0(sizeof(*info));
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info->enabled = kvm_enabled();
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info->present = kvm_available();
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return info;
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}
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UuidInfo *qmp_query_uuid(Error **errp)
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{
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UuidInfo *info = g_malloc0(sizeof(*info));
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char uuid[64];
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snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
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qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
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qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
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qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
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qemu_uuid[14], qemu_uuid[15]);
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info->UUID = g_strdup(uuid);
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return info;
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}
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void qmp_quit(Error **err)
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{
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no_shutdown = 0;
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qemu_system_shutdown_request();
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}
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void qmp_stop(Error **errp)
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{
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vm_stop(RUN_STATE_PAUSED);
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}
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void qmp_system_reset(Error **errp)
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{
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qemu_system_reset_request();
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}
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void qmp_system_powerdown(Error **erp)
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{
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qemu_system_powerdown_request();
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}
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void qmp_cpu(int64_t index, Error **errp)
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{
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/* Just do nothing */
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}
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#ifndef CONFIG_VNC
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/* If VNC support is enabled, the "true" query-vnc command is
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defined in the VNC subsystem */
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VncInfo *qmp_query_vnc(Error **errp)
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{
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error_set(errp, QERR_FEATURE_DISABLED, "vnc");
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return NULL;
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};
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#endif
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#ifndef CONFIG_SPICE
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/* If SPICE support is enabled, the "true" query-spice command is
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defined in the SPICE subsystem. Also note that we use a small
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trick to maintain query-spice's original behavior, which is not
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to be available in the namespace if SPICE is not compiled in */
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SpiceInfo *qmp_query_spice(Error **errp)
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{
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error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
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return NULL;
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};
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#endif
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static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
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{
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bdrv_iostatus_reset(bs);
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}
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static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
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{
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Error **err = opaque;
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if (!error_is_set(err) && bdrv_key_required(bs)) {
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error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
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bdrv_get_encrypted_filename(bs));
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}
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}
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void qmp_cont(Error **errp)
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{
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Error *local_err = NULL;
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if (runstate_check(RUN_STATE_INMIGRATE)) {
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error_set(errp, QERR_MIGRATION_EXPECTED);
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return;
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} else if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
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runstate_check(RUN_STATE_SHUTDOWN)) {
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error_set(errp, QERR_RESET_REQUIRED);
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return;
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}
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bdrv_iterate(iostatus_bdrv_it, NULL);
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bdrv_iterate(encrypted_bdrv_it, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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return;
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}
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vm_start();
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}
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void qmp_system_wakeup(Error **errp)
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{
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qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
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}
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ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
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{
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Object *obj;
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bool ambiguous = false;
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ObjectPropertyInfoList *props = NULL;
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ObjectProperty *prop;
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obj = object_resolve_path(path, &ambiguous);
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if (obj == NULL) {
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error_set(errp, QERR_DEVICE_NOT_FOUND, path);
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return NULL;
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}
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QTAILQ_FOREACH(prop, &obj->properties, node) {
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ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
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entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
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entry->next = props;
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props = entry;
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entry->value->name = g_strdup(prop->name);
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entry->value->type = g_strdup(prop->type);
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}
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return props;
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}
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/* FIXME: teach qapi about how to pass through Visitors */
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int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
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{
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const char *path = qdict_get_str(qdict, "path");
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const char *property = qdict_get_str(qdict, "property");
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QObject *value = qdict_get(qdict, "value");
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Error *local_err = NULL;
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Object *obj;
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obj = object_resolve_path(path, NULL);
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if (!obj) {
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error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
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goto out;
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}
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object_property_set_qobject(obj, value, property, &local_err);
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out:
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if (local_err) {
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qerror_report_err(local_err);
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error_free(local_err);
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return -1;
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}
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return 0;
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}
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int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
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{
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const char *path = qdict_get_str(qdict, "path");
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const char *property = qdict_get_str(qdict, "property");
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Error *local_err = NULL;
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Object *obj;
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obj = object_resolve_path(path, NULL);
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if (!obj) {
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error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
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goto out;
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}
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*ret = object_property_get_qobject(obj, property, &local_err);
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out:
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if (local_err) {
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qerror_report_err(local_err);
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error_free(local_err);
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return -1;
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}
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return 0;
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}
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void qmp_set_password(const char *protocol, const char *password,
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bool has_connected, const char *connected, Error **errp)
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{
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int disconnect_if_connected = 0;
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int fail_if_connected = 0;
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int rc;
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if (has_connected) {
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if (strcmp(connected, "fail") == 0) {
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fail_if_connected = 1;
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} else if (strcmp(connected, "disconnect") == 0) {
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disconnect_if_connected = 1;
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} else if (strcmp(connected, "keep") == 0) {
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/* nothing */
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} else {
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error_set(errp, QERR_INVALID_PARAMETER, "connected");
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return;
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}
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}
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if (strcmp(protocol, "spice") == 0) {
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if (!using_spice) {
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/* correct one? spice isn't a device ,,, */
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error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
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return;
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}
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rc = qemu_spice_set_passwd(password, fail_if_connected,
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disconnect_if_connected);
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if (rc != 0) {
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error_set(errp, QERR_SET_PASSWD_FAILED);
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}
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return;
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}
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if (strcmp(protocol, "vnc") == 0) {
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if (fail_if_connected || disconnect_if_connected) {
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/* vnc supports "connected=keep" only */
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error_set(errp, QERR_INVALID_PARAMETER, "connected");
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return;
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}
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/* Note that setting an empty password will not disable login through
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* this interface. */
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rc = vnc_display_password(NULL, password);
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if (rc < 0) {
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error_set(errp, QERR_SET_PASSWD_FAILED);
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}
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return;
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}
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error_set(errp, QERR_INVALID_PARAMETER, "protocol");
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}
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void qmp_expire_password(const char *protocol, const char *whenstr,
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Error **errp)
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{
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time_t when;
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int rc;
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if (strcmp(whenstr, "now") == 0) {
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when = 0;
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} else if (strcmp(whenstr, "never") == 0) {
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when = TIME_MAX;
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} else if (whenstr[0] == '+') {
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when = time(NULL) + strtoull(whenstr+1, NULL, 10);
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} else {
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when = strtoull(whenstr, NULL, 10);
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}
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if (strcmp(protocol, "spice") == 0) {
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if (!using_spice) {
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/* correct one? spice isn't a device ,,, */
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error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
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return;
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}
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rc = qemu_spice_set_pw_expire(when);
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if (rc != 0) {
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error_set(errp, QERR_SET_PASSWD_FAILED);
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}
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return;
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}
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if (strcmp(protocol, "vnc") == 0) {
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rc = vnc_display_pw_expire(NULL, when);
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if (rc != 0) {
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error_set(errp, QERR_SET_PASSWD_FAILED);
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}
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return;
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}
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error_set(errp, QERR_INVALID_PARAMETER, "protocol");
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}
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#ifdef CONFIG_VNC
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void qmp_change_vnc_password(const char *password, Error **errp)
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{
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if (vnc_display_password(NULL, password) < 0) {
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error_set(errp, QERR_SET_PASSWD_FAILED);
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}
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}
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static void qmp_change_vnc_listen(const char *target, Error **err)
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{
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if (vnc_display_open(NULL, target) < 0) {
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error_set(err, QERR_VNC_SERVER_FAILED, target);
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}
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}
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static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
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Error **errp)
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{
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if (strcmp(target, "passwd") == 0 || strcmp(target, "password") == 0) {
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if (!has_arg) {
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error_set(errp, QERR_MISSING_PARAMETER, "password");
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} else {
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qmp_change_vnc_password(arg, errp);
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}
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} else {
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qmp_change_vnc_listen(target, errp);
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}
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}
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#else
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void qmp_change_vnc_password(const char *password, Error **errp)
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{
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error_set(errp, QERR_FEATURE_DISABLED, "vnc");
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}
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static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
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Error **errp)
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{
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error_set(errp, QERR_FEATURE_DISABLED, "vnc");
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}
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#endif /* !CONFIG_VNC */
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void qmp_change(const char *device, const char *target,
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bool has_arg, const char *arg, Error **err)
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{
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if (strcmp(device, "vnc") == 0) {
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qmp_change_vnc(target, has_arg, arg, err);
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} else {
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qmp_change_blockdev(device, target, has_arg, arg, err);
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}
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}
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static void qom_list_types_tramp(ObjectClass *klass, void *data)
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{
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ObjectTypeInfoList *e, **pret = data;
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ObjectTypeInfo *info;
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info = g_malloc0(sizeof(*info));
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info->name = g_strdup(object_class_get_name(klass));
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e = g_malloc0(sizeof(*e));
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e->value = info;
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e->next = *pret;
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*pret = e;
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}
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ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
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const char *implements,
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bool has_abstract,
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bool abstract,
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Error **errp)
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{
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ObjectTypeInfoList *ret = NULL;
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object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
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return ret;
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}
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