qemu/include/hw/acpi/vmgenid.h
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   1#ifndef ACPI_VMGENID_H
   2#define ACPI_VMGENID_H
   3
   4#include "hw/acpi/bios-linker-loader.h"
   5#include "hw/qdev-core.h"
   6#include "qemu/uuid.h"
   7#include "qom/object.h"
   8
   9#define TYPE_VMGENID           "vmgenid"
  10#define VMGENID_GUID             "guid"
  11#define VMGENID_GUID_FW_CFG_FILE      "etc/vmgenid_guid"
  12#define VMGENID_ADDR_FW_CFG_FILE      "etc/vmgenid_addr"
  13
  14#define VMGENID_FW_CFG_SIZE      4096 /* Occupy a page of memory */
  15#define VMGENID_GUID_OFFSET      40   /* allow space for
  16                                       * OVMF SDT Header Probe Supressor
  17                                       */
  18
  19OBJECT_DECLARE_SIMPLE_TYPE(VmGenIdState, VMGENID)
  20
  21struct VmGenIdState {
  22    DeviceState parent_obj;
  23    QemuUUID guid;                /* The 128-bit GUID seen by the guest */
  24    uint8_t vmgenid_addr_le[8];   /* Address of the GUID (little-endian) */
  25};
  26
  27/* returns NULL unless there is exactly one device */
  28static inline Object *find_vmgenid_dev(void)
  29{
  30    return object_resolve_path_type("", TYPE_VMGENID, NULL);
  31}
  32
  33void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid,
  34                        BIOSLinker *linker, const char *oem_id);
  35void vmgenid_add_fw_cfg(VmGenIdState *vms, FWCfgState *s, GArray *guid);
  36
  37#endif
  38