drivers/fs/np/npfs.h

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