// storport.h

ULONG StorPortIsCurrentOsInstallationUpgrade(
  [in]  PVOID   HwDeviceExtension,
  [out] BOOLEAN *Upgraded
);
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Windows Driver Kit DDI reference (nf-storport-storportiscurrentosinstallationupgrade)

StorPortIsCurrentOsInstallationUpgrade function

Description

The StorPortIsCurrentOsInstallationUpgrade routine checks if the current installation of Windows is an upgrade from a previous version or not.

Parameters

`HwDeviceExtension` [in]

A pointer to the hardware device extension for the host bus adapter (HBA).

`Upgraded` [out]

The value pointed to by Upgraded is set to TRUE if the current operating system installation was upgraded from a previous version. Otherwise, it is set to FALSE.

Return value

The StorPortIsCurrentOsInstallationUpgrade routine returns one of these status codes:

Return code	Description
STOR_STATUS_SUCCESS	An upgrade status is returned in the value pointed to by the Upgraded parameter.
STOR_STATUS_INVALID_PARAMETER	The pointer value in Upgraded is NULL.
STOR_STATUS_INVALID_IRQL	The current IRQL > PASSIVE_LEVEL.

View the official Windows Driver Kit DDI reference