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