141 lines
2.0 KiB
C
141 lines
2.0 KiB
C
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/*++
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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hashirp.h
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Abstract:
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Author:
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Adrian J. Oney (adriao) 20-Apr-1998
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Revision History:
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*/
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#ifndef _HASHIRP_H_
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#define _HASHIRP_H_
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#define IRP_TRACKING_HASH_SIZE 256
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#define IRP_TRACKING_HASH_PRIME 131
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#ifndef NO_SPECIAL_IRP
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extern ULONG IovpIrpTrackingSpewLevel;
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typedef enum _IOV_REFERENCE_TYPE {
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IOVREFTYPE_PACKET = 0,
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IOVREFTYPE_POINTER
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} IOV_REFERENCE_TYPE;
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VOID
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FASTCALL
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IovpTrackingDataInit(
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VOID
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);
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PIOV_REQUEST_PACKET
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FASTCALL
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IovpTrackingDataFindAndLock(
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IN PIRP Irp
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);
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PIOV_REQUEST_PACKET
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FASTCALL
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IovpTrackingDataCreateAndLock(
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IN PIRP Irp
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);
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VOID
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FASTCALL
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IovpTrackingDataFree(
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IN PIOV_REQUEST_PACKET IrpTrackingData
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);
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PIOV_REQUEST_PACKET
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FASTCALL
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IovpTrackingDataFindPointer(
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IN PIRP Irp,
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OUT PLIST_ENTRY *HashHead
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);
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VOID
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FASTCALL
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IovpTrackingDataAcquireLock(
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IN PIOV_REQUEST_PACKET IrpTrackingData
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);
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VOID
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FASTCALL
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IovpTrackingDataReleaseLock(
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IN PIOV_REQUEST_PACKET IrpTrackingData
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);
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VOID
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FASTCALL
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IovpTrackingDataReference(
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IN PIOV_REQUEST_PACKET IovPacket,
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IN IOV_REFERENCE_TYPE IovRefType
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);
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VOID
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FASTCALL
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IovpTrackingDataDereference(
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IN PIOV_REQUEST_PACKET IovPacket,
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IN IOV_REFERENCE_TYPE IovRefType
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);
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VOID
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FASTCALL
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IovpWatermarkIrp(
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IN PIRP Irp,
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IN ULONG Flags
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);
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PIOV_SESSION_DATA
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FASTCALL
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IovpTrackingDataGetCurrentSessionData(
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IN PIOV_REQUEST_PACKET IovPacket
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);
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PVOID
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FASTCALL
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IovpProtectedIrpMakeUntouchable(
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IN PIRP Irp OPTIONAL,
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IN BOOLEAN Permanent
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);
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VOID
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FASTCALL
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IovpProtectedIrpMakeTouchable(
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IN PIRP Irp,
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IN PVOID *RestoreHandle
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);
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VOID
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FASTCALL
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IovpProtectedIrpFree(
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IN PIRP Irp OPTIONAL,
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IN PVOID *RestoreHandle
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);
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PIRP
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FASTCALL
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IovpProtectedIrpAllocate(
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IN CCHAR StackSize,
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IN BOOLEAN ChargeQuota,
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IN PETHREAD QuotaThread OPTIONAL
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);
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#endif // NO_SPECIAL_IRP
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#endif // _HASHIRP_H_
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