/* * TOD (Time Of Day) clock * * 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. */ #ifndef HW_S390_TOD_H #define HW_S390_TOD_H #include "hw/qdev-core.h" #include "target/s390x/s390-tod.h" typedef struct S390TOD { uint8_t high; uint64_t low; } S390TOD; #define TYPE_S390_TOD "s390-tod" #define S390_TOD(obj) OBJECT_CHECK(S390TODState, (obj), TYPE_S390_TOD) #define S390_TOD_CLASS(oc) OBJECT_CLASS_CHECK(S390TODClass, (oc), \ TYPE_S390_TOD) #define S390_TOD_GET_CLASS(obj) OBJECT_GET_CLASS(S390TODClass, (obj), \ TYPE_S390_TOD) #define TYPE_KVM_S390_TOD TYPE_S390_TOD "-kvm" #define TYPE_QEMU_S390_TOD TYPE_S390_TOD "-qemu" typedef struct S390TODState { /* private */ DeviceState parent_obj; /* * Used by TCG to remember the time base. Used by KVM to backup the TOD * while the TOD is stopped. */ S390TOD base; /* Used by KVM to remember if the TOD is stopped and base is valid. */ bool stopped; } S390TODState; typedef struct S390TODClass { /* private */ DeviceClass parent_class; void (*parent_realize)(DeviceState *dev, Error **errp); /* public */ void (*get)(const S390TODState *td, S390TOD *tod, Error **errp); void (*set)(S390TODState *td, const S390TOD *tod, Error **errp); } S390TODClass; void s390_init_tod(void); S390TODState *s390_get_todstate(void); #endif