WRITE_PORT_BUFFER_ULONG

VOID
    WRITE_PORT_BUFFER_ULONG(
        IN PULONG  Port,
        IN PULONG  Buffer,
        IN ULONG  Count
        );

WRITE_PORT_BUFFER_ULONG writes a number of ULONG values from a buffer to the specified port address.

Parameters

Port

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

Buffer

Points to a buffer from which an array of ULONG values is to be written.

Count

Specifies the number of ULONG values to be written to the port.

Comments

The size of the buffer must be large enough to contain at least the specified number of ULONGs.

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