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WRITE_PORT_ULONG routine

The WRITE_PORT_ULONG routine writes a ULONG value to the specified port address.

Syntax


 VOID WRITE_PORT_ULONG(
  _In_  PULONG Port,
  _In_  ULONG Value
);

Parameters

Port [in]

Pointer to the port, which must be a mapped memory range in I/O space.

Value [in]

Specifies a ULONG value to be written to the port.

Return value

None

Remarks

Callers of WRITE_PORT_ULONG can be running at any IRQL, assuming the Port is resident, mapped device memory.

Requirements

Version

Available starting with Windows 2000.

Header

Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h)

Library

Hal.lib

IRQL

Any level (see Remarks section)

 

 

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