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WdfDeviceGetAlignmentRequirement function (wdfdevice.h)

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[Applies to KMDF only]

The WdfDeviceGetAlignmentRequirement method retrieves a device's address alignment requirement for memory transfer operations.

Syntax

ULONG WdfDeviceGetAlignmentRequirement(
  [in] WDFDEVICE Device
);

Parameters

[in] Device

A handle to a framework device object.

Return value

WdfDeviceGetAlignmentRequirement returns the device's current alignment requirement. This value is one of the FILE_XXXX_ALIGNMENT constants that are defined in wdm.h.

A bug check occurs if the driver supplies an invalid object handle.

Requirements

Requirement Value
Target Platform Universal
Minimum KMDF version 1.0
Header wdfdevice.h (include Wdf.h)
Library Wdf01000.sys (see Framework Library Versioning.)
IRQL <= DISPATCH_LEVEL
DDI compliance rules DriverCreate(kmdf), KmdfIrql(kmdf), KmdfIrql2(kmdf), KmdfIrqlExplicit(kmdf)

See also

WdfDeviceSetAlignmentRequirement