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/*
* Virtual Machine coreinfo device
*
* Copyright (C) 2017 Red Hat, Inc.
*
* Authors: Marc-André Lureau <marcandre.lureau@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 VMCOREINFO_H
#define VMCOREINFO_H
#include "hw/qdev-core.h"
#include "standard-headers/linux/qemu_fw_cfg.h"
#include "qom/object.h"
#define VMCOREINFO_DEVICE "vmcoreinfo"
typedef struct VMCoreInfoState VMCoreInfoState;
DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO,
VMCOREINFO_DEVICE)
typedef struct fw_cfg_vmcoreinfo FWCfgVMCoreInfo;
struct VMCoreInfoState {
DeviceState parent_obj;
bool has_vmcoreinfo;
FWCfgVMCoreInfo vmcoreinfo;
};
/* returns NULL unless there is exactly one device */
static inline VMCoreInfoState *vmcoreinfo_find(void)
{
Object *o = object_resolve_path_type("", VMCOREINFO_DEVICE, NULL);
return o ? VMCOREINFO(o) : NULL;
}
#endif
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