WDF_READ_PORT_BUFFER_ULONG function (wdfhwaccess.h)

[Applies to UMDF only]

The WDF_READ_PORT_BUFFER_ULONG function reads a number of ULONG values from the specified port address into a buffer.

Syntax

void WDF_READ_PORT_BUFFER_ULONG(
  [in]  WDFDEVICE Device,
  [in]  PULONG    Port,
  [out] PULONG    Buffer,
  [in]  ULONG     Count
);

[in] Device

A handle to a framework device object.

[in] Port

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

[out] Buffer

A pointer to a buffer into which an array of ULONG values is read.

[in] Count

Specifies the number of ULONG values to be read into the buffer.

None