// winbio_ioctl.h

typedef struct _WINBIO_UPDATE_FIRMWARE {
  DWORD       PayloadSize;
  WINBIO_DATA FirmwareData;
} WINBIO_UPDATE_FIRMWARE, *PWINBIO_UPDATE_FIRMWARE;
View the official Windows Driver Kit DDI reference

NtDoc

No description available.

Edit description on GitHub

Windows Driver Kit DDI reference (ns-winbio_ioctl-_winbio_update_firmware)

_WINBIO_UPDATE_FIRMWARE structure

Description

The WINBIO_UPDATE_FIRMWARE structure is the IN payload for IOCTL_BIOMETRIC_UPDATE_FIRMWARE.

Members

`PayloadSize`

Specifies the total size of the payload, which includes the fixed length structure and any variable data at the end.

`FirmwareData`

Specifies a structure of type WINBIO_DATA that contains the vendor-specific firmware image.

WINBIO_UPDATE_FIRMWARE - NtDoc