// storport.h

ULONG StorPortGetActiveGroupCount(
  [in]  PVOID   HwDeviceExtension,
  [out] PUSHORT NumberGroups
);
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Windows Driver Kit DDI reference (nf-storport-storportgetactivegroupcount)

StorPortGetActiveGroupCount function

Description

The StorPortGetActiveGroupCount routine returns the number of processor groups that are present in the system.

Parameters

`HwDeviceExtension` [in]

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

`NumberGroups` [out]

A pointer to a variable that holds the number of groups.

Return value

The StorPortGetActiveGroupCount routine returns one of the following status codes:

Return code	Description
STOR_STATUS_NOT_IMPLEMENTED	This function is not implemented on the active operating system.
STOR_STATUS_SUCCESS	The operation was successful.

View the official Windows Driver Kit DDI reference