mirror of
https://github.com/qemu/qemu.git
synced 2025-10-31 20:44:16 +00:00
6e43353f10
See docs/specs/vmcoreinfo.txt for details. "etc/vmcoreinfo" fw_cfg entry is added when using "-device vmcoreinfo". Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
|
|
* 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
|