| 1 | #ifndef ACPI_VMGENID_H |
| 2 | #define ACPI_VMGENID_H |
| 3 | |
| 4 | #include "hw/acpi/bios-linker-loader.h" |
| 5 | #include "hw/core/qdev.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 |