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StorPortGetProcessorCount function (storport.h)

The StorPortGetProcessorCount routine returns the number of active logical processors in the system.

Syntax

ULONG StorPortGetProcessorCount(
  PVOID  HwDeviceExtension,
  PULONG ProcessorCount
);

Parameters

HwDeviceExtension

[in] Pointer to the hardware device extension for the host bus adapter (HBA).

ProcessorCount

[out] Pointer to the location in which the routine returns the number of active logical processors in the system.

Return value

StorPortGetProcessorCount returns one of the following STOR_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.

Remarks

For information about active logical processors, see KeQueryActiveProcessorCountEx.

Requirements

Requirement Value
Minimum supported client Windows 10, version 1709
Header storport.h

See also

StorPortGetCurrentProcessorNumber