Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
[Warning: UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2. For more info, see Getting Started with UMDF.]
The WDF_INTERRUPT_PRIORITY enumeration type identifies relative priorities for device interrupts.
Syntax
typedef enum _WDF_INTERRUPT_PRIORITY {
WdfIrqPriorityUndefined,
WdfIrqPriorityLow,
WdfIrqPriorityNormal,
WdfIrqPriorityHigh
} WDF_INTERRUPT_PRIORITY, *PWDF_INTERRUPT_PRIORITY;
Constants
WdfIrqPriorityUndefinedThe relative priority of a device's interrupt is undefined. |
WdfIrqPriorityLowThe device's interrupt has a relatively low priority, typically because the interrupt does not have to be serviced immediately. |
WdfIrqPriorityNormalThe device's interrupt priority is neither relatively low nor relatively high. |
WdfIrqPriorityHighThe device's interrupt has a relatively high priority, typically because the interrupt must be serviced immediately. |
Remarks
The WDF_INTERRUPT_PRIORITY enumeration type is used as input to the IWDFInterrupt::SetPolicy method.
Requirements
| Requirement | Value |
|---|---|
| Minimum UMDF version | 1.11 |
| Header | wudfinterrupt.h |