WdfDeviceGetAlignmentRequirement method
[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
- Device [in]
-
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.
Examples
For a code example that uses WdfDeviceGetAlignmentRequirement, see WdfDeviceSetAlignmentRequirement.
Requirements
|
Minimum KMDF version | 1.0 |
|---|---|
|
Header |
|
|
Library |
|
|
IRQL | <= DISPATCH_LEVEL |
|
DDI compliance rules | DriverCreate, KmdfIrql, KmdfIrql2 |
See also
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