include/hw/acpi/vmgenid.h

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