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 VMGENID_DEVICE "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 19 typedef struct VmGenIdState VmGenIdState; 20 DECLARE_INSTANCE_CHECKER(VmGenIdState, VMGENID, 21 VMGENID_DEVICE) 22 23 struct VmGenIdState { 24 DeviceClass parent_obj; 25 QemuUUID guid; /* The 128-bit GUID seen by the guest */ 26 uint8_t vmgenid_addr_le[8]; /* Address of the GUID (little-endian) */ 27 }; 28 29 /* returns NULL unless there is exactly one device */ 30 static inline Object *find_vmgenid_dev(void) 31 { 32 return object_resolve_path_type("", VMGENID_DEVICE, NULL); 33 } 34 35 void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid, 36 BIOSLinker *linker); 37 void vmgenid_add_fw_cfg(VmGenIdState *vms, FWCfgState *s, GArray *guid); 38 39 #endif 40