WdfDeviceGetAlignmentRequirement function (wdfdevice.h)
[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) |