include/hw/vmstate-if.h

   1 /*
   2  * VMState interface
   3  *
   4  * Copyright (c) 2009-2019 Red Hat Inc
   5  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   6  * See the COPYING file in the top-level directory.
   7  */
   8
   9 #ifndef VMSTATE_IF_H
  10 #define VMSTATE_IF_H
  11
  12 #include "qom/object.h"
  13
  14 #define TYPE_VMSTATE_IF "vmstate-if"
  15
  16 #define VMSTATE_IF_CLASS(klass)                                     \
  17     OBJECT_CLASS_CHECK(VMStateIfClass, (klass), TYPE_VMSTATE_IF)
  18 #define VMSTATE_IF_GET_CLASS(obj)                           \
  19     OBJECT_GET_CLASS(VMStateIfClass, (obj), TYPE_VMSTATE_IF)
  20 #define VMSTATE_IF(obj)                             \
  21     INTERFACE_CHECK(VMStateIf, (obj), TYPE_VMSTATE_IF)
  22
  23 typedef struct VMStateIf VMStateIf;
  24
  25 typedef struct VMStateIfClass {
  26     InterfaceClass parent_class;
  27
  28     char * (*get_id)(VMStateIf *obj);
  29 } VMStateIfClass;
  30
  31 static inline char *vmstate_if_get_id(VMStateIf *vmif)
  32 {
  33     if (!vmif) {
  34         return NULL;
  35     }
  36
  37     return VMSTATE_IF_GET_CLASS(vmif)->get_id(vmif);
  38 }
  39
  40 #endif /* VMSTATE_IF_H */