| /* |
| * 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" |
| |
| #define VMCOREINFO_DEVICE "vmcoreinfo" |
| #define VMCOREINFO(obj) OBJECT_CHECK(VMCoreInfoState, (obj), VMCOREINFO_DEVICE) |
| |
| typedef struct fw_cfg_vmcoreinfo 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 |