mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
1.7 KiB
87 lines
1.7 KiB
/*++
|
|
|
|
Copyright (c) 1989 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
lowio.h
|
|
|
|
Abstract:
|
|
|
|
This module defines all of the structures and prototypes for Low IO.
|
|
|
|
Author:
|
|
|
|
Joe Linn (JoeLinn) 8-17-94
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef _RXLOWIO_
|
|
#define _RXLOWIO_
|
|
|
|
#include "mrx.h" // mini redirector related definitions ....
|
|
|
|
#ifndef WIN9X
|
|
extern FAST_MUTEX RxLowIoPagingIoSyncMutex;
|
|
#endif
|
|
|
|
#define RxLowIoIsMdlLocked(MDL) ( \
|
|
RxMdlIsLocked((MDL)) || RxMdlSourceIsNonPaged((MDL)) \
|
|
)
|
|
|
|
#define RxLowIoIsBufferLocked(LOWIOCONTEXT) \
|
|
( ((LOWIOCONTEXT)->Operation > LOWIO_OP_WRITE ) || \
|
|
((LOWIOCONTEXT)->ParamsFor.ReadWrite.Buffer == NULL) || \
|
|
( \
|
|
((LOWIOCONTEXT)->ParamsFor.ReadWrite.Buffer != NULL) && \
|
|
RxLowIoIsMdlLocked(((LOWIOCONTEXT)->ParamsFor.ReadWrite.Buffer)) \
|
|
) \
|
|
)
|
|
|
|
typedef struct _LOWIO_PER_FCB_INFO {
|
|
LIST_ENTRY PagingIoReadsOutstanding;
|
|
LIST_ENTRY PagingIoWritesOutstanding;
|
|
} LOWIO_PER_FCB_INFO, *PLOWIO_PER_FCB_INFO;
|
|
|
|
PVOID
|
|
NTAPI
|
|
RxLowIoGetBufferAddress (
|
|
IN PRX_CONTEXT RxContext
|
|
);
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
RxLowIoPopulateFsctlInfo (
|
|
IN PRX_CONTEXT RxContext
|
|
);
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
RxLowIoSubmit(
|
|
PRX_CONTEXT RxContext,
|
|
PLOWIO_COMPLETION_ROUTINE CompletionRoutine
|
|
);
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
RxLowIoCompletion(
|
|
PRX_CONTEXT RxContext
|
|
);
|
|
|
|
VOID
|
|
NTAPI
|
|
RxInitializeLowIoContext(
|
|
PLOWIO_CONTEXT LowIoContext,
|
|
ULONG Operation
|
|
);
|
|
|
|
VOID
|
|
RxInitializeLowIoPerFcbInfo(
|
|
PLOWIO_PER_FCB_INFO LowIoPerFcbInfo
|
|
);
|
|
|
|
|
|
#endif // _RXLOWIO_
|
|
|