2017-09-11 18:59:24 +02:00
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/*
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* Virtual Machine coreinfo device
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*
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* Authors: Marc-André Lureau <marcandre.lureau@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef VMCOREINFO_H
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#define VMCOREINFO_H
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2019-08-12 07:23:51 +02:00
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#include "hw/qdev-core.h"
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2018-08-17 17:59:10 +02:00
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#include "standard-headers/linux/qemu_fw_cfg.h"
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2020-09-03 22:43:22 +02:00
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#include "qom/object.h"
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2017-09-11 18:59:24 +02:00
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#define VMCOREINFO_DEVICE "vmcoreinfo"
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2020-09-03 22:43:22 +02:00
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typedef struct VMCoreInfoState VMCoreInfoState;
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2020-08-31 23:07:33 +02:00
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DECLARE_INSTANCE_CHECKER(VMCoreInfoState, VMCOREINFO,
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VMCOREINFO_DEVICE)
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2017-09-11 18:59:24 +02:00
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2018-08-17 17:59:10 +02:00
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typedef struct fw_cfg_vmcoreinfo FWCfgVMCoreInfo;
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2017-09-11 18:59:24 +02:00
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2020-09-03 22:43:22 +02:00
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struct VMCoreInfoState {
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2020-10-07 18:23:56 +02:00
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DeviceState parent_obj;
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2017-09-11 18:59:24 +02:00
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bool has_vmcoreinfo;
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FWCfgVMCoreInfo vmcoreinfo;
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2020-09-03 22:43:22 +02:00
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};
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2017-09-11 18:59:24 +02:00
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/* returns NULL unless there is exactly one device */
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static inline VMCoreInfoState *vmcoreinfo_find(void)
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{
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Object *o = object_resolve_path_type("", VMCOREINFO_DEVICE, NULL);
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return o ? VMCOREINFO(o) : NULL;
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}
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#endif
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