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STORAGE_HW_FIRMWARE_ACTIVATE structure (ntddstor.h)

  • Article

The STORAGE_HW_FIRMWARE_ACTIVATE structure contains information about the downloaded firmware to activate.

Syntax

typedef struct _STORAGE_HW_FIRMWARE_ACTIVATE {
  ULONG Version;
  ULONG Size;
  ULONG Flags;
  UCHAR Slot;
  UCHAR Reserved0[3];
} STORAGE_HW_FIRMWARE_ACTIVATE, *PSTORAGE_HW_FIRMWARE_ACTIVATE;

Members

Version

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

Size

The size of this structure. This should be set to sizeof(STORAGE_HW_FIRMWARE_ACTIVATE).

Flags

The flags associated with the activation request. The following are valid flags that can be set in this member.

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_SWITCH_TO_EXISTING_FIRMWARE Indicates that an existing firmware image in the specified slot should be activated.
STORAGE_HW_FIRMWARE_REQUEST_FLAG_REPLACE_EXISTING_IMAGE Indicates that the existing firmware in the slot should be activated with a controller reset. Available starting with Windows 11, version 24H2.

Slot

The slot with the firmware image that is to be activated.

Reserved0[3]

Reserved for future use.

Requirements

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