EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER Struct Reference


Data Fields

UINT32 Version
EFI_GUID UpdateImageTypeId
UINT8 UpdateImageIndex
UINT8 reserved_bytes [3]
UINT32 UpdateImageSize
UINT32 UpdateVendorCodeSize
UINT64 UpdateHardwareInstance

Field Documentation

The HardwareInstance to target with this update. If value is zero it means match all HardwareInstances. This field allows update software to target only a single device in cases where there are more than one device with the same ImageTypeId GUID. This header is outside the signed data of the Authentication Info structure and therefore can be modified without changing the Auth data.

Passed as ImageIndex in call to EFI_FIRMWARE_MANAGEMENT_PROTOCOL.SetImage()

Size of the binary update image which immediately follows this structure

Used to identify device firmware targeted by this update. This guid is matched by system firmware against ImageTypeId field within a EFI_FIRMWARE_IMAGE_DESCRIPTOR

Size of the VendorCode bytes which optionally immediately follow binary update image in the capsule


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