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https://github.com/reactos/reactos.git
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95 lines
2 KiB
C++
95 lines
2 KiB
C++
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//
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// Copyright (C) Microsoft. All rights reserved.
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//
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#ifndef _FXIRPDYNAMICDISPATCHINFO_H_
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#define _FXIRPDYNAMICDISPATCHINFO_H_
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//
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// Placeholder macro for a no-op
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//
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#ifndef DO_NOTHING
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#define DO_NOTHING() (0)
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#endif
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struct FxIrpDynamicDispatchInfo : public FxStump {
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FxIrpDynamicDispatchInfo() :
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CxDeviceInfo(NULL)
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{
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InitializeListHead(&ListEntry);
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RtlZeroMemory(Dispatch, sizeof(Dispatch));
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}
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~FxIrpDynamicDispatchInfo()
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{
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ASSERT(IsListEmpty(&ListEntry));
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}
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enum DynamicDispatchType {
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DynamicDispatchRead = 0,
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DynamicDispatchWrite = 1,
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DynamicDispatchIoctl = 2,
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DynamicDispatchInternalIoctl = 3,
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DynamicDispatchMax
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};
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struct Info {
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Info() :
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EvtDeviceDynamicDispatch(NULL),
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DriverContext(NULL)
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{
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}
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~Info()
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{
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DO_NOTHING();
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}
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PFN_WDFDEVICE_WDM_IRP_DISPATCH EvtDeviceDynamicDispatch;
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WDFCONTEXT DriverContext;
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};
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__inline
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static
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int
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Mj2Index(
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UCHAR MajorFunction
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)
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{
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DynamicDispatchType type;
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switch (MajorFunction) {
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case IRP_MJ_READ:
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type = DynamicDispatchRead;
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break;
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case IRP_MJ_WRITE:
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type = DynamicDispatchWrite;
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break;
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case IRP_MJ_DEVICE_CONTROL:
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type = DynamicDispatchIoctl;
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break;
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case IRP_MJ_INTERNAL_DEVICE_CONTROL:
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type = DynamicDispatchInternalIoctl;
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break;
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default:
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type = DynamicDispatchMax;
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break;
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}
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return (int)type;
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}
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LIST_ENTRY ListEntry;
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Info Dispatch[DynamicDispatchMax];
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//
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// If not null, weak ref to class extension info struct.
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//
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FxCxDeviceInfo* CxDeviceInfo;
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};
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#endif // _FXIRPDYNAMICDISPATCHINFO_H_
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