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 8 #define VMGENID_DEVICE "vmgenid" 9 #define VMGENID_GUID "guid" 10 #define VMGENID_GUID_FW_CFG_FILE "etc/vmgenid_guid" 11 #define VMGENID_ADDR_FW_CFG_FILE "etc/vmgenid_addr" 12 13 #define VMGENID_FW_CFG_SIZE 4096 /* Occupy a page of memory */ 14 #define VMGENID_GUID_OFFSET 40 /* allow space for 15 * OVMF SDT Header Probe Supressor 16 */ 17 18 #define VMGENID(obj) OBJECT_CHECK(VmGenIdState, (obj), VMGENID_DEVICE) 19 20 typedef struct VmGenIdState { 21 DeviceClass parent_obj; 22 QemuUUID guid; /* The 128-bit GUID seen by the guest */ 23 uint8_t vmgenid_addr_le[8]; /* Address of the GUID (little-endian) */ 24 } VmGenIdState; 25 26 /* returns NULL unless there is exactly one device */ 27 static inline Object *find_vmgenid_dev(void) 28 { 29 return object_resolve_path_type("", VMGENID_DEVICE, NULL); 30 } 31 32 void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid, 33 BIOSLinker *linker); 34 void vmgenid_add_fw_cfg(VmGenIdState *vms, FWCfgState *s, GArray *guid); 35 36 #endif 37