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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.h"
#define VMCOREINFO_DEVICE "vmcoreinfo"
#define VMCOREINFO(obj) OBJECT_CHECK(VMCoreInfoState, (obj), VMCOREINFO_DEVICE)
#define VMCOREINFO_FORMAT_NONE 0x0
#define VMCOREINFO_FORMAT_ELF 0x1
/* all fields are little-endian */
typedef struct FWCfgVMCoreInfo {
uint16_t host_format; /* set on reset */
uint16_t guest_format;
uint32_t size;
uint64_t paddr;
} QEMU_PACKED FWCfgVMCoreInfo;
typedef struct VMCoreInfoState {
DeviceClass parent_obj;
bool has_vmcoreinfo;
FWCfgVMCoreInfo vmcoreinfo;
} VMCoreInfoState;
/* 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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