WRITE_PORT_ULONG

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

WRITE_PORT_ULONG writes a ULONG value to the specified port address.

Parameters

Port

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

Value

Specifies a ULONG value to be written to the port.

Comments

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