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WDF_INTERRUPT_EXTENDED_POLICY structure (wdfinterrupt.h)
[Applies to KMDF and UMDF]
The WDF_INTERRUPT_EXTENDED_POLICY structure contains information about an interrupt's policy, priority, affinity, and group.
Syntax
typedef struct _WDF_INTERRUPT_EXTENDED_POLICY {
ULONG Size;
WDF_INTERRUPT_POLICY Policy;
WDF_INTERRUPT_PRIORITY Priority;
GROUP_AFFINITY TargetProcessorSetAndGroup;
} WDF_INTERRUPT_EXTENDED_POLICY, *PWDF_INTERRUPT_EXTENDED_POLICY;
Members
Size
The size, in bytes, of this structure.
Policy
A WDF_INTERRUPT_POLICY-typed enumerator that specifies a processor affinity policy for the interrupt.
Priority
A WDF_INTERRUPT_PRIORITY-typed enumerator that specifies a priority for the interrupt.
TargetProcessorSetAndGroup
A GROUP_AFFINITY structure that specifies a processor group and a processor affinity mask within the group, if the Policy parameter is set to WdfIrqPolicySpecifiedProcessors. The GROUP_AFFINITY structure is defined in Winnt.h.
Remarks
The WDF_INTERRUPT_EXTENDED_POLICY structure is used as input the WdfInterruptSetExtendedPolicy.
To initialize a WDF_INTERRUPT_EXTENDED_POLICY structure, your driver must call WDF_INTERRUPT_EXTENDED_POLICY_INIT.
Requirements
| Requirement | Value |
|---|---|
| Minimum KMDF version | 1.9 |
| Header | wdfinterrupt.h (include Wdf.h) |
See also
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