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/*
* TOD (Time Of Day) clock - KVM implementation
*
* Copyright 2018 Red Hat, Inc.
* Author(s): David Hildenbrand <david@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/s390x/tod.h"
#include "kvm_s390x.h"
static void kvm_s390_tod_get(const S390TODState *td, S390TOD *tod, Error **errp)
{
int r;
r = kvm_s390_get_clock_ext(&tod->high, &tod->low);
if (r == -ENXIO) {
r = kvm_s390_get_clock(&tod->high, &tod->low);
}
if (r) {
error_setg(errp, "Unable to get KVM guest TOD clock: %s",
strerror(-r));
}
}
static void kvm_s390_tod_set(S390TODState *td, const S390TOD *tod, Error **errp)
{
int r;
r = kvm_s390_set_clock_ext(tod->high, tod->low);
if (r == -ENXIO) {
r = kvm_s390_set_clock(tod->high, tod->low);
}
if (r) {
error_setg(errp, "Unable to set KVM guest TOD clock: %s",
strerror(-r));
}
}
static void kvm_s390_tod_class_init(ObjectClass *oc, void *data)
{
S390TODClass *tdc = S390_TOD_CLASS(oc);
tdc->get = kvm_s390_tod_get;
tdc->set = kvm_s390_tod_set;
}
static TypeInfo kvm_s390_tod_info = {
.name = TYPE_KVM_S390_TOD,
.parent = TYPE_S390_TOD,
.instance_size = sizeof(S390TODState),
.class_init = kvm_s390_tod_class_init,
.class_size = sizeof(S390TODClass),
};
static void register_types(void)
{
type_register_static(&kvm_s390_tod_info);
}
type_init(register_types);
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