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STORAGE_HW_FIRMWARE_DOWNLOAD structure (ntddstor.h)

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This structure contains a firmware image payload to be downloaded to the target.

Syntax

typedef struct _STORAGE_HW_FIRMWARE_DOWNLOAD {
  ULONG     Version;
  ULONG     Size;
  ULONG     Flags;
  UCHAR     Slot;
  UCHAR     Reserved[3];
  ULONGLONG Offset;
  ULONGLONG BufferSize;
  UCHAR     ImageBuffer[ANYSIZE_ARRAY];
} STORAGE_HW_FIRMWARE_DOWNLOAD, *PSTORAGE_HW_FIRMWARE_DOWNLOAD;

Members

Version

The version of this structure. This should be set to sizeof(STORAGE_HW_FIRMWARE_DOWNLOAD).

Size

The size of this structure and the download image buffer.

Flags

Flags associated with this download. The following are valid flags that this member can hold.

Flag Description
STORAGE_HW_FIRMWARE_REQUEST_FLAG_CONTROLLER Indicates that the target of the request is a controller or adapter, different than the device handle or object itself (e.g. NVMe SSD or HBA).
STORAGE_HW_FIRMWARE_REQUEST_FLAG_LAST_SEGMENT Indicates that the current firmware image segment is the last one.

Slot

The slot number that the firmware image will be downloaded to.

Reserved[3]

Reserved for future use.

Offset

The offset in this buffer of where the Image file begins. This should be aligned to ImagePayloadAlignment from STORAGE_HW_FIRMWARE_INFO.

BufferSize

The buffer size of the ImageBuffer. This should be a multiple of ImagePayloadAlignment from STORAGE_HW_FIRMWARE_INFO.

ImageBuffer[ANYSIZE_ARRAY]

The firmware image file.

Requirements

Requirement Value
Minimum supported client Windows 10
Minimum supported server Windows Server 2016
Header ntddstor.h