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StorPortGetActiveNodeCount function (storport.h)

  • Article

The StorPortGetActiveNodeCount routine returns the number of nodes that are present in the system.

Syntax

ULONG StorPortGetActiveNodeCount(
  [in]  PVOID  HwDeviceExtension,
  [out] PULONG NumberNodes
);

Parameters

[in] HwDeviceExtension

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

[out] NumberNodes

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

Return value

The StorPortGetActiveNodeCountroutine 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.
STOR_STATUS_INVALID_PARAMETER
 The operation fails with this return value if one or more of the parameters are invalid, for example, if NumberNodes is set to NULL.

Requirements

Requirement Value
Minimum supported client Available in Windows 7 and later versions of the Windows operating systems.
Target Platform Universal
Header storport.h (include Storport.h)
IRQL <=DISPATCH_LEVEL
DDI compliance rules StorPortIrql(storport)