WDF_READ_REGISTER_ULONG64 function

[Applies to UMDF only]

The WDF_READ_REGISTER_ULONG64 function reads a ULONG64 value from the specified register address.

Syntax


ULONG64 WDF_READ_REGISTER_ULONG64(
  _In_ WDFDEVICE Device,
  _In_ PULONG64  Register
);

Parameters

Device [in]

A handle to a framework device object.

Register [in]

A pointer to the register address, which must be a mapped range in memory space.

Return value

WDF_READ_REGISTER_ULONG64 returns the ULONG64 value that is read from the specified port address.

Requirements

Target platform

Universal

Minimum support

Windows 8.1

Minimum UMDF version

2.0

Header

Wdfhwaccess.h

 

 

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