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