Here are the data structures with brief descriptions:

_CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER
_EFI_FIRMWARE_VOLUME_PROTOCOL
_EFI_ISA_ACPI_PROTOCOL
_EFI_ISA_IO_PROTOCOL
_EFI_LEGACY_8259_PROTOCOL
_EFI_LEGACY_BIOS_PLATFORM_PROTOCOL
_EFI_LEGACY_BIOS_PROTOCOL
_EFI_LEGACY_INTERRUPT_PROTOCOL
_EFI_VGA_MINI_PORT_PROTOCOL
_SEC_SEV_ES_WORK_AREA
_SEV_WORK_AREA
_VIRTIO_DEVICE_PROTOCOL
_XENBUS_PROTOCOL
_XENIO_PROTOCOL
arch_shared_info
arch_vcpu_info
ATAPI_IDENTIFY
BBS_STATUS_FLAGS
BBS_TABLE
blkif_request
blkif_request_discard
blkif_request_indirect
blkif_request_segment
blkif_response
boot_params
CONFIDENTIAL_COMPUTING_SECRET_LOCATION
CPU_HOT_EJECT_DATA
DESC_INDICES
DEVICE_PRODUCER_DATA_HEADER
DEVICE_PRODUCER_FLOPPY
DEVICE_PRODUCER_PARALLEL	@)
DEVICE_PRODUCER_SERIAL
dt_addr_t
e820_entry
EFI_BYTE_REGS
EFI_COMPATIBILITY16_TABLE
EFI_DISPATCH_OPROM_TABLE
EFI_DWORD_REGS
EFI_E820_ENTRY
EFI_E820_ENTRY64
EFI_EFLAGS_REG
EFI_FLAGS_REG
EFI_HOB_CAPSULE_VOLUME
EFI_IA32_REGISTER_SET
EFI_IFR_BANNER
EFI_IFR_END_EXPR
EFI_IFR_END_FORM
EFI_IFR_END_FORM_SET
EFI_IFR_END_ONE_OF
EFI_IFR_EQ_VAR_VAL
EFI_IFR_GRAY_OUT
EFI_IFR_HIDDEN
EFI_IFR_INCONSISTENT
EFI_IFR_INVENTORY
EFI_IFR_LABEL
EFI_IFR_SAVE_DEFAULTS
EFI_IFR_SUPPRESS
EFI_IFR_VARSTORE_SELECT
EFI_IFR_VARSTORE_SELECT_PAIR
efi_info
EFI_ISA_ACPI_DEVICE_ID
EFI_ISA_ACPI_RESOURCE
EFI_ISA_ACPI_RESOURCE_LIST
EFI_ISA_IO_PROTOCOL_ACCESS
EFI_LEGACY_INSTALL_PCI_HANDLER
EFI_LEGACY_IRQ_PRIORITY_TABLE_ENTRY
EFI_LEGACY_IRQ_ROUTING_ENTRY
EFI_LEGACY_PIRQ_ENTRY
EFI_LEGACY_PIRQ_TABLE_HEADER
EFI_TO_COMPATIBILITY16_BOOT_TABLE
EFI_TO_COMPATIBILITY16_INIT_TABLE
EFI_WORD_REGS
EFI_XEN_INFO
evtchn_alloc_unbound
evtchn_close
evtchn_send
FRAMEWORK_EFI_BOOT_SERVICES
FRAMEWORK_EFI_FV_WRITE_FILE_DATA
FRAMEWORK_EFI_IFR_AND
FRAMEWORK_EFI_IFR_CHECKBOX
FRAMEWORK_EFI_IFR_DATE
FRAMEWORK_EFI_IFR_EQ_ID_ID
FRAMEWORK_EFI_IFR_EQ_ID_LIST
FRAMEWORK_EFI_IFR_EQ_ID_VAL
FRAMEWORK_EFI_IFR_FORM
FRAMEWORK_EFI_IFR_FORM_SET
FRAMEWORK_EFI_IFR_NOT
FRAMEWORK_EFI_IFR_NUMERIC
FRAMEWORK_EFI_IFR_ONE_OF
FRAMEWORK_EFI_IFR_ONE_OF_OPTION
FRAMEWORK_EFI_IFR_OP_HEADER
FRAMEWORK_EFI_IFR_OR
FRAMEWORK_EFI_IFR_ORDERED_LIST
FRAMEWORK_EFI_IFR_PASSWORD
FRAMEWORK_EFI_IFR_REF
FRAMEWORK_EFI_IFR_STRING
FRAMEWORK_EFI_IFR_SUBTITLE
FRAMEWORK_EFI_IFR_TEXT
FRAMEWORK_EFI_IFR_TIME
FRAMEWORK_EFI_IFR_VARSTORE
FRAMEWORK_EFI_RUNTIME_SERVICES
FW_CFG_DMA_ACCESS
gnttab_map_grant_ref
gnttab_unmap_grant_ref
grant_entry_header
grant_entry_v1
grant_entry_v2
HDD_INFO
hvm_memmap_table_entry
hvm_modlist_entry
hvm_start_info
INSTRUCTION_MODRM
INSTRUCTION_REX_PREFIX
INSTRUCTION_SIB
LEGACY_DEV_ORDER_ENTRY
LEGACY_DEVICE_FLAGS
MPT_IO_CONTROLLER_INIT_REPLY
MPT_IO_CONTROLLER_INIT_REQUEST
MPT_SCSI_IO_REPLY
MPT_SCSI_IO_REPLY_ALIGNED
MPT_SCSI_IO_REQUEST
MPT_SCSI_REQUEST_ALIGNED
MPT_SCSI_REQUEST_WITH_SG
MPT_SG_ENTRY_SIMPLE
OVMF_LOADED_X86_LINUX_KERNEL
OVMF_WORK_AREA
PAGE_MAP_AND_DIRECTORY_POINTER
PAGE_TABLE_1G_ENTRY
PAGE_TABLE_4K_ENTRY
PAGE_TABLE_ENTRY
PCI_CAP_DEV
PCI_CAP_INFO
PVSCSI_CMD_DESC_SETUP_RINGS
PVSCSI_RING_CMP_DESC
PVSCSI_RING_REQ_DESC
PVSCSI_RINGS_STATE
QEMU_FWCFG_TPM_CONFIG
QEMU_LOADER_ADD_CHECKSUM
QEMU_LOADER_ADD_POINTER
QEMU_LOADER_ALLOCATE
QEMU_LOADER_ENTRY
QEMU_LOADER_WRITE_POINTER
QEMU_PCI_BRIDGE_CAPABILITY_HDR
QEMU_PCI_BRIDGE_CAPABILITY_RESOURCE_RESERVATION
QEMU_SMRAM_SAVE_STATE_MAP
QEMU_SMRAM_SAVE_STATE_MAP32
QEMU_SMRAM_SAVE_STATE_MAP64
QEMU_TPM_PPI
screen_info
setup_header
SEV_ES_PER_CPU_DATA
shared_info
SMM_ATTRIBUTES
SMM_ENTRY
SMM_FUNCTION
SMM_TABLE
UD_TABLE
UDC_ATTRIBUTES
VBE2_MODE_INFO
VBE_INFO
VBE_INFO_BASE
VBE_MODE_INFO
vcpu_guest_core_regs
vcpu_info
vcpu_time_info
VIRTIO_1_0_NET_REQ
VIRTIO_BLK_CONFIG
VIRTIO_BLK_REQ
VIRTIO_BLK_TOPOLOGY
VIRTIO_FS_CONFIG
VIRTIO_FS_FUSE_ATTRIBUTES_RESPONSE
VIRTIO_FS_FUSE_CREATE_REQUEST
VIRTIO_FS_FUSE_DIRENTPLUS_RESPONSE
VIRTIO_FS_FUSE_FLUSH_REQUEST
VIRTIO_FS_FUSE_FORGET_REQUEST
VIRTIO_FS_FUSE_FSYNC_REQUEST
VIRTIO_FS_FUSE_GETATTR_REQUEST
VIRTIO_FS_FUSE_GETATTR_RESPONSE
VIRTIO_FS_FUSE_INIT_REQUEST
VIRTIO_FS_FUSE_INIT_RESPONSE
VIRTIO_FS_FUSE_MKDIR_REQUEST
VIRTIO_FS_FUSE_NODE_RESPONSE
VIRTIO_FS_FUSE_OPEN_REQUEST
VIRTIO_FS_FUSE_OPEN_RESPONSE
VIRTIO_FS_FUSE_READ_REQUEST
VIRTIO_FS_FUSE_RELEASE_REQUEST
VIRTIO_FS_FUSE_RENAME2_REQUEST
VIRTIO_FS_FUSE_REQUEST
VIRTIO_FS_FUSE_RESPONSE
VIRTIO_FS_FUSE_SETATTR_REQUEST
VIRTIO_FS_FUSE_STATFS_RESPONSE
VIRTIO_FS_FUSE_WRITE_REQUEST
VIRTIO_FS_FUSE_WRITE_RESPONSE
VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D
VIRTIO_GPU_CONTROL_HEADER
VIRTIO_GPU_MEM_ENTRY
VIRTIO_GPU_RECTANGLE
VIRTIO_GPU_RESOURCE_ATTACH_BACKING
VIRTIO_GPU_RESOURCE_CREATE_2D
VIRTIO_GPU_RESOURCE_DETACH_BACKING
VIRTIO_GPU_RESOURCE_FLUSH
VIRTIO_GPU_RESOURCE_UNREF
VIRTIO_GPU_SET_SCANOUT
VIRTIO_NET_CONFIG
VIRTIO_NET_REQ
VIRTIO_PCI_CAP
VIRTIO_PCI_COMMON_CFG
VIRTIO_SCSI_CONFIG
VIRTIO_SCSI_REQ
VIRTIO_SCSI_RESP
VRING
VRING_AVAIL
VRING_DESC
VRING_USED
VRING_USED_ELEM
xen_add_to_physmap
xen_hvm_param
xen_memory_map
xen_remove_from_physmap
xencons_interface
xenstore_domain_interface
XENSTORE_TRANSACTION
xsd_errors
xsd_sockmsg