reactos/drivers/fs/np/npfs.h

   1 /* $Id: npfs.h,v 1.12 2002/09/07 15:12:02 chorns Exp $ */
   2
   3 #ifndef __SERVICES_FS_NP_NPFS_H
   4 #define __SERVICES_FS_NP_NPFS_H
   5
   6 #define NTOS_KERNEL_MODE
   7 #include <ntos.h>
   8
   9 typedef struct
  10 {
  11   LIST_ENTRY PipeListHead;
  12   KMUTEX PipeListLock;
  13 } NPFS_DEVICE_EXTENSION, *PNPFS_DEVICE_EXTENSION;
  14
  15 typedef struct
  16 {
  17   LIST_ENTRY ListEntry;
  18   ULONG Size;
  19   PVOID Data;
  20   ULONG Offset;
  21 } NPFS_PIPE_DATA, *PNPFS_PIPE_DATA;
  22
  23 typedef struct
  24 {
  25   UNICODE_STRING PipeName;
  26   LIST_ENTRY PipeListEntry;
  27   KSPIN_LOCK FcbListLock;
  28   LIST_ENTRY ServerFcbListHead;
  29   LIST_ENTRY ClientFcbListHead;
  30   ULONG ReferenceCount;
  31   ULONG PipeType;
  32   ULONG PipeReadMode;
  33   ULONG PipeWriteMode;
  34   ULONG PipeBlockMode;
  35   ULONG PipeConfiguration;
  36   ULONG MaximumInstances;
  37   ULONG CurrentInstances;
  38   ULONG InboundQuota;
  39   ULONG OutboundQuota;
  40   LARGE_INTEGER TimeOut;
  41 } NPFS_PIPE, *PNPFS_PIPE;
  42
  43 typedef struct _NPFS_FCB
  44 {
  45   LIST_ENTRY FcbListEntry;
  46   struct _NPFS_FCB* OtherSide;
  47   PNPFS_PIPE Pipe;
  48   KEVENT ConnectEvent;
  49   KEVENT ReadEvent;
  50   ULONG PipeEnd;
  51   ULONG PipeState;
  52   ULONG ReadDataAvailable;
  53   ULONG WriteQuotaAvailable;
  54
  55   LIST_ENTRY DataListHead;      /* Data queue */
  56   KSPIN_LOCK DataListLock;      /* Data queue lock */
  57 } NPFS_FCB, *PNPFS_FCB;
  58
  59
  60 extern NPAGED_LOOKASIDE_LIST NpfsPipeDataLookasideList;
  61
  62
  63 #define KeLockMutex(x) KeWaitForSingleObject(x, \
  64                                              UserRequest, \
  65                                              KernelMode, \
  66                                              FALSE, \
  67                                              NULL);
  68
  69 #define KeUnlockMutex(x) KeReleaseMutex(x, FALSE);
  70
  71 #define CP DPRINT("\n");
  72
  73 static inline VOID
  74 NpfsFreePipeData(PNPFS_PIPE_DATA PipeData)
  75 {
  76   if (PipeData->Data)
  77     {
  78       ExFreePool(PipeData->Data);
  79     }
  80   ExFreeToNPagedLookasideList(&NpfsPipeDataLookasideList, PipeData);
  81 }
  82
  83
  84 NTSTATUS STDCALL NpfsCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  85 NTSTATUS STDCALL NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  86 NTSTATUS STDCALL NpfsClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  87
  88 NTSTATUS STDCALL NpfsRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  89 NTSTATUS STDCALL NpfsWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  90
  91 NTSTATUS STDCALL NpfsFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  92
  93 NTSTATUS STDCALL NpfsQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  94 NTSTATUS STDCALL NpfsSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  95
  96 NTSTATUS STDCALL NpfsQueryVolumeInformation (PDEVICE_OBJECT DeviceObject, PIRP Irp);
  97
  98 #endif /* __SERVICES_FS_NP_NPFS_H */