WDF_READ_PORT_BUFFER_ULONG function

[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 
);

Parameters

Device [in]

A handle to a framework device object.

Port [in]

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

Buffer [out]

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

Count [in]

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

Return value

This function does not return a value.

Requirements

Minimum support

Windows 8.1

Minimum UMDF version

2.0

Header

Wdfhwaccess.h

 

 

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