xref: /qemu/include/hw/acpi/vmgenid.h (revision d03637bcfbc1ba0cf1f07568d379af6e80120474)
1*d03637bcSBen Warren #ifndef ACPI_VMGENID_H
2*d03637bcSBen Warren #define ACPI_VMGENID_H
3*d03637bcSBen Warren 
4*d03637bcSBen Warren #include "hw/acpi/bios-linker-loader.h"
5*d03637bcSBen Warren #include "hw/qdev.h"
6*d03637bcSBen Warren #include "qemu/uuid.h"
7*d03637bcSBen Warren 
8*d03637bcSBen Warren #define VMGENID_DEVICE           "vmgenid"
9*d03637bcSBen Warren #define VMGENID_GUID             "guid"
10*d03637bcSBen Warren #define VMGENID_GUID_FW_CFG_FILE      "etc/vmgenid_guid"
11*d03637bcSBen Warren #define VMGENID_ADDR_FW_CFG_FILE      "etc/vmgenid_addr"
12*d03637bcSBen Warren 
13*d03637bcSBen Warren #define VMGENID_FW_CFG_SIZE      4096 /* Occupy a page of memory */
14*d03637bcSBen Warren #define VMGENID_GUID_OFFSET      40   /* allow space for
15*d03637bcSBen Warren                                        * OVMF SDT Header Probe Supressor
16*d03637bcSBen Warren                                        */
17*d03637bcSBen Warren 
18*d03637bcSBen Warren #define VMGENID(obj) OBJECT_CHECK(VmGenIdState, (obj), VMGENID_DEVICE)
19*d03637bcSBen Warren 
20*d03637bcSBen Warren typedef struct VmGenIdState {
21*d03637bcSBen Warren     DeviceClass parent_obj;
22*d03637bcSBen Warren     QemuUUID guid;                /* The 128-bit GUID seen by the guest */
23*d03637bcSBen Warren     uint8_t vmgenid_addr_le[8];   /* Address of the GUID (little-endian) */
24*d03637bcSBen Warren } VmGenIdState;
25*d03637bcSBen Warren 
26*d03637bcSBen Warren static inline Object *find_vmgenid_dev(void)
27*d03637bcSBen Warren {
28*d03637bcSBen Warren     return object_resolve_path_type("", VMGENID_DEVICE, NULL);
29*d03637bcSBen Warren }
30*d03637bcSBen Warren 
31*d03637bcSBen Warren void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid,
32*d03637bcSBen Warren                         BIOSLinker *linker);
33*d03637bcSBen Warren void vmgenid_add_fw_cfg(VmGenIdState *vms, FWCfgState *s, GArray *guid);
34*d03637bcSBen Warren 
35*d03637bcSBen Warren #endif
36