s390x/tod: factor out TOD into separate device
[qemu.git] / include / hw / s390x / tod.h
1 /*
2 * TOD (Time Of Day) clock
3 *
4 * Copyright 2018 Red Hat, Inc.
5 * Author(s): David Hildenbrand <david@redhat.com>
6 *
7 * This work is licensed under the terms of the GNU GPL, version 2 or later.
8 * See the COPYING file in the top-level directory.
9 */
10
11 #ifndef HW_S390_TOD_H
12 #define HW_S390_TOD_H
13
14 #include "hw/qdev.h"
15
16 typedef struct S390TOD {
17 uint8_t high;
18 uint64_t low;
19 } S390TOD;
20
21 #define TYPE_S390_TOD "s390-tod"
22 #define S390_TOD(obj) OBJECT_CHECK(S390TODState, (obj), TYPE_S390_TOD)
23 #define S390_TOD_CLASS(oc) OBJECT_CLASS_CHECK(S390TODClass, (oc), \
24 TYPE_S390_TOD)
25 #define S390_TOD_GET_CLASS(obj) OBJECT_GET_CLASS(S390TODClass, (obj), \
26 TYPE_S390_TOD)
27 #define TYPE_KVM_S390_TOD TYPE_S390_TOD "-kvm"
28 #define TYPE_QEMU_S390_TOD TYPE_S390_TOD "-qemu"
29
30 typedef struct S390TODState {
31 /* private */
32 DeviceState parent_obj;
33 } S390TODState;
34
35 typedef struct S390TODClass {
36 /* private */
37 DeviceClass parent_class;
38
39 /* public */
40 void (*get)(const S390TODState *td, S390TOD *tod, Error **errp);
41 void (*set)(S390TODState *td, const S390TOD *tod, Error **errp);
42 } S390TODClass;
43
44 void s390_init_tod(void);
45
46 #endif