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77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
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#ifndef _RXLOWIO_
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#define _RXLOWIO_
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#include "mrx.h"
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extern FAST_MUTEX RxLowIoPagingIoSyncMutex;
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#define RxLowIoIsMdlLocked(MDL) (RxMdlIsLocked((MDL)) || RxMdlSourceIsNonPaged((MDL)))
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#define RxLowIoIsBufferLocked(LowIoContext) \
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(((LowIoContext)->Operation > LOWIO_OP_WRITE) || \
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((LowIoContext)->ParamsFor.ReadWrite.Buffer == NULL) || \
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(((LowIoContext)->ParamsFor.ReadWrite.Buffer != NULL) && \
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RxLowIoIsMdlLocked(((LowIoContext)->ParamsFor.ReadWrite.Buffer))))
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typedef struct _LOWIO_PER_FCB_INFO
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{
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LIST_ENTRY PagingIoReadsOutstanding;
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LIST_ENTRY PagingIoWritesOutstanding;
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} LOWIO_PER_FCB_INFO, *PLOWIO_PER_FCB_INFO;
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#if (_WIN32_WINNT >= 0x0600)
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NTSTATUS
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NTAPI
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RxLowIoPopulateFsctlInfo(
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_In_ PRX_CONTEXT RxContext,
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_In_ PIRP Irp);
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#else
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NTSTATUS
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NTAPI
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RxLowIoPopulateFsctlInfo(
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_In_ PRX_CONTEXT RxContext);
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#endif
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#if (_WIN32_WINNT >= 0x0600)
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NTSTATUS
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NTAPI
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RxLowIoSubmit(
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_In_ PRX_CONTEXT RxContext,
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_In_ PIRP Irp,
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_In_ PFCB Fcb,
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_In_ PLOWIO_COMPLETION_ROUTINE CompletionRoutine);
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#else
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NTSTATUS
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NTAPI
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RxLowIoSubmit(
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_In_ PRX_CONTEXT RxContext,
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_In_ PLOWIO_COMPLETION_ROUTINE CompletionRoutine);
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#endif
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NTSTATUS
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NTAPI
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RxLowIoCompletion(
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_In_ PRX_CONTEXT RxContext);
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#if (_WIN32_WINNT >= 0x0600)
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VOID
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NTAPI
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RxInitializeLowIoContext(
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_In_ PRX_CONTEXT RxContext,
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_In_ ULONG Operation,
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_Out_ PLOWIO_CONTEXT LowIoContext);
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#else
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VOID
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NTAPI
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RxInitializeLowIoContext(
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_Out_ PLOWIO_CONTEXT LowIoContext,
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_In_ ULONG Operation);
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#endif
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VOID
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RxInitializeLowIoPerFcbInfo(
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_Inout_ PLOWIO_PER_FCB_INFO LowIoPerFcbInfo);
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#endif
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