WRITE_REGISTER_BUFFER_UCHAR

VOID
    WRITE_REGISTER_BUFFER_UCHAR(
        IN PUCHAR  Register,
        IN PUCHAR  Buffer,
        IN ULONG  Count
        );

WRITE_REGISTER_BUFFER_UCHAR writes a number of bytes from a buffer to the specified register.

Parameters

Register

Points to the register, which must be a mapped range in memory space.

Buffer

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

Count

Specifies the number of bytes to be written to the register.

Comments

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

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