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 Suppressor 17 */ 18 19 OBJECT_DECLARE_SIMPLE_TYPE(VmGenIdState, VMGENID) 20 21 struct 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 */ 28 static inline Object *find_vmgenid_dev(void) 29 { 30 return object_resolve_path_type("", TYPE_VMGENID, NULL); 31 } 32 33 void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid, 34 BIOSLinker *linker, const char *oem_id); 35 void vmgenid_add_fw_cfg(VmGenIdState *vms, FWCfgState *s, GArray *guid); 36 37 #endif 38