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 typedef struct VMStateIfClass VMStateIfClass;
  17 DECLARE_CLASS_CHECKERS(VMStateIfClass, VMSTATE_IF,
  18                        TYPE_VMSTATE_IF)
  19 #define VMSTATE_IF(obj)                             \
  20     INTERFACE_CHECK(VMStateIf, (obj), TYPE_VMSTATE_IF)
  21
  22 typedef struct VMStateIf VMStateIf;
  23
  24 struct VMStateIfClass {
  25     InterfaceClass parent_class;
  26
  27     char * (*get_id)(VMStateIf *obj);
  28 };
  29
  30 static inline char *vmstate_if_get_id(VMStateIf *vmif)
  31 {
  32     if (!vmif) {
  33         return NULL;
  34     }
  35
  36     return VMSTATE_IF_GET_CLASS(vmif)->get_id(vmif);
  37 }
  38
  39 #endif /* VMSTATE_IF_H */