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qemu-irix/qmp.c

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/*
* 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 "sysemu/sysemu.h"
#include "qmp-commands.h"
#include "char/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"
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 **err)
{
VersionInfo *info = g_malloc0(sizeof(*info));
const char *version = QEMU_VERSION;
char *tmp;
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 **err)
{
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 */
}
#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_set(errp, QERR_FEATURE_DISABLED, "vnc");
return NULL;
};
#endif
#ifndef CONFIG_SPICE
/* If SPICE support is enabled, the "true" query-spice command is
defined in the SPICE subsystem. Also note that we use a small
trick to maintain query-spice's original behavior, which is not
to be available in the namespace if SPICE is not compiled in */
SpiceInfo *qmp_query_spice(Error **errp)
{
error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice");
return NULL;
};
#endif
static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
{
bdrv_iostatus_reset(bs);
}
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
{
Error **err = opaque;
if (!error_is_set(err) && bdrv_key_required(bs)) {
error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
bdrv_get_encrypted_filename(bs));
}
}
void qmp_cont(Error **errp)
{
Error *local_err = NULL;
if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN)) {
error_set(errp, QERR_RESET_REQUIRED);
return;
} else if (runstate_check(RUN_STATE_SUSPENDED)) {
return;
}
bdrv_iterate(iostatus_bdrv_it, NULL);
bdrv_iterate(encrypted_bdrv_it, &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) {
error_set(errp, QERR_DEVICE_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 */
int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret)
{
const char *path = qdict_get_str(qdict, "path");
const char *property = qdict_get_str(qdict, "property");
QObject *value = qdict_get(qdict, "value");
Error *local_err = NULL;
Object *obj;
obj = object_resolve_path(path, NULL);
if (!obj) {
error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
goto out;
}
object_property_set_qobject(obj, value, property, &local_err);
out:
if (local_err) {
qerror_report_err(local_err);
error_free(local_err);
return -1;
}
return 0;
}
int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret)
{
const char *path = qdict_get_str(qdict, "path");
const char *property = qdict_get_str(qdict, "property");
Error *local_err = NULL;
Object *obj;
obj = object_resolve_path(path, NULL);
if (!obj) {
error_set(&local_err, QERR_DEVICE_NOT_FOUND, path);
goto out;
}
*ret = object_property_get_qobject(obj, property, &local_err);
out:
if (local_err) {
qerror_report_err(local_err);
error_free(local_err);
return -1;
}
return 0;
}
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_set(errp, QERR_INVALID_PARAMETER, "connected");
return;
}
}
if (strcmp(protocol, "spice") == 0) {
if (!using_spice) {
/* correct one? spice isn't a device ,,, */
error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
return;
}
rc = qemu_spice_set_passwd(password, fail_if_connected,
disconnect_if_connected);
if (rc != 0) {
error_set(errp, QERR_SET_PASSWD_FAILED);
}
return;
}
if (strcmp(protocol, "vnc") == 0) {
if (fail_if_connected || disconnect_if_connected) {
/* vnc supports "connected=keep" only */
error_set(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_set(errp, QERR_SET_PASSWD_FAILED);
}
return;
}
error_set(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 (!using_spice) {
/* correct one? spice isn't a device ,,, */
error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
return;
}
rc = qemu_spice_set_pw_expire(when);
if (rc != 0) {
error_set(errp, QERR_SET_PASSWD_FAILED);
}
return;
}
if (strcmp(protocol, "vnc") == 0) {
rc = vnc_display_pw_expire(NULL, when);
if (rc != 0) {
error_set(errp, QERR_SET_PASSWD_FAILED);
}
return;
}
error_set(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_set(errp, QERR_SET_PASSWD_FAILED);
}
}
static void qmp_change_vnc_listen(const char *target, Error **errp)
{
vnc_display_open(NULL, target, 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_set(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_set(errp, QERR_FEATURE_DISABLED, "vnc");
}
static void qmp_change_vnc(const char *target, bool has_arg, const char *arg,
Error **errp)
{
error_set(errp, QERR_FEATURE_DISABLED, "vnc");
}
#endif /* !CONFIG_VNC */
void qmp_change(const char *device, const char *target,
bool has_arg, const char *arg, Error **err)
{
if (strcmp(device, "vnc") == 0) {
qmp_change_vnc(target, has_arg, arg, err);
} else {
qmp_change_blockdev(device, target, has_arg, arg, err);
}
}
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;
}
DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
Error **errp)
{
ObjectClass *klass;
Property *prop;
DevicePropertyInfoList *prop_list = NULL;
klass = object_class_by_name(typename);
if (klass == NULL) {
error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
return NULL;
}
klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
if (klass == NULL) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE,
"name", TYPE_DEVICE);
return NULL;
}
do {
for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
DevicePropertyInfoList *entry;
DevicePropertyInfo *info;
/*
* 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) {
continue; /* 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->legacy_name ?: prop->info->name);
entry = g_malloc0(sizeof(*entry));
entry->value = info;
entry->next = prop_list;
prop_list = entry;
}
klass = object_class_get_parent(klass);
} while (klass != object_class_by_name(TYPE_DEVICE));
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 (!using_spice) {
error_set(errp, QERR_DEVICE_NOT_ACTIVE, "spice");
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);
}
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