68 lines
1.1 KiB
C
68 lines
1.1 KiB
C
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/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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spudstr.h
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Abstract:
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This header file contains all of the private structure definitions
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for SPUD.
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Author:
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John Ballard (jballard) 21-Oct-1996
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Revision History:
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--*/
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#ifndef _SPUDSTR_H_
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#define _SPUDSTR_H_
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//
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// A kernel-mode request context.
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//
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typedef struct _SPUD_AFD_REQ_CONTEXT {
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ULONG Signature;
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PIRP Irp;
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PMDL Mdl;
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IO_STATUS_BLOCK IoStatus1;
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IO_STATUS_BLOCK IoStatus2;
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PVOID AtqContext;
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PVOID ReqHandle;
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} SPUD_AFD_REQ_CONTEXT, *PSPUD_AFD_REQ_CONTEXT;
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//
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// Signatures for the above structure.
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//
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#define SPUD_REQ_CONTEXT_SIGNATURE ((ULONG)'XCPS')
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#define SPUD_REQ_CONTEXT_SIGNATURE_X ((ULONG)'xcps')
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//
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// An invalid request handle.
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//
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#define SPUD_INVALID_REQ_HANDLE NULL
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//
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// Everything that must always be nonpaged (even if we decide to page
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// the entire driver out) is kept in the following structure.
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//
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typedef struct _SPUD_NONPAGED_DATA {
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NPAGED_LOOKASIDE_LIST ReqContextList;
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ERESOURCE ReqHandleTableLock;
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} SPUD_NONPAGED_DATA, *PSPUD_NONPAGED_DATA;
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#endif // _SPUDSTR_H_
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