49 lines
896 B
C
49 lines
896 B
C
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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viirpdb.h
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Abstract:
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This header contains private information used to manage the database of
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IRP tracking data. This header should be included only by vfirpdb.c.
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Author:
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Adrian J. Oney (adriao) 20-Apr-1998
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Environment:
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Kernel mode
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Revision History:
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AdriaO 05/02/2000 - Seperated out from ntos\io\hashirp.h
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--*/
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#define VI_DATABASE_HASH_SIZE 256
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#define VI_DATABASE_HASH_PRIME 131
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#define VI_DATABASE_CALCULATE_HASH(Irp) \
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(((((UINT_PTR) Irp)/PAGE_SIZE)*VI_DATABASE_HASH_PRIME) % VI_DATABASE_HASH_SIZE)
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#define IOVHEADERFLAG_REMOVED_FROM_TABLE 0x80000000
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VOID
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FASTCALL
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ViIrpDatabaseEntryDestroy(
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IN OUT PIOV_DATABASE_HEADER IovHeader
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);
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PIOV_DATABASE_HEADER
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FASTCALL
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ViIrpDatabaseFindPointer(
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IN PIRP Irp,
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OUT PLIST_ENTRY *HashHead
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);
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