reactos/drivers/fs/np/npfs.h

   1 /* $Id$ */
   2
   3 #ifndef __DRIVERS_FS_NP_NPFS_H
   4 #define __DRIVERS_FS_NP_NPFS_H
   5
   6 typedef struct _NPFS_DEVICE_EXTENSION
   7 {
   8   LIST_ENTRY PipeListHead;
   9   LIST_ENTRY ThreadListHead;
  10   KMUTEX PipeListLock;
  11   ULONG EmptyWaiterCount;
  12   ULONG MinQuota;
  13   ULONG DefaultQuota;
  14   ULONG MaxQuota;
  15 } NPFS_DEVICE_EXTENSION, *PNPFS_DEVICE_EXTENSION;
  16
  17 typedef struct _NPFS_PIPE
  18 {
  19   UNICODE_STRING PipeName;
  20   LIST_ENTRY PipeListEntry;
  21   KMUTEX FcbListLock;
  22   LIST_ENTRY ServerFcbListHead;
  23   LIST_ENTRY ClientFcbListHead;
  24   LIST_ENTRY WaiterListHead;
  25   LIST_ENTRY EmptyBufferListHead;
  26   ULONG PipeType;
  27   ULONG ReadMode;
  28   ULONG WriteMode;
  29   ULONG CompletionMode;
  30   ULONG PipeConfiguration;
  31   ULONG MaximumInstances;
  32   ULONG CurrentInstances;
  33   ULONG InboundQuota;
  34   ULONG OutboundQuota;
  35   LARGE_INTEGER TimeOut;
  36 } NPFS_PIPE, *PNPFS_PIPE;
  37
  38 typedef struct _NPFS_FCB
  39 {
  40   LIST_ENTRY FcbListEntry;
  41   struct _NPFS_FCB* OtherSide;
  42   struct ETHREAD *Thread;
  43   PNPFS_PIPE Pipe;
  44   KEVENT ConnectEvent;
  45   KEVENT ReadEvent;
  46   KEVENT WriteEvent;
  47   ULONG PipeEnd;
  48   ULONG PipeState;
  49   ULONG ReadDataAvailable;
  50   ULONG WriteQuotaAvailable;
  51
  52   LIST_ENTRY ReadRequestListHead;
  53
  54   PVOID Data;
  55   PVOID ReadPtr;
  56   PVOID WritePtr;
  57   ULONG MaxDataLength;
  58
  59   FAST_MUTEX DataListLock;      /* Data queue lock */
  60 } NPFS_FCB, *PNPFS_FCB;
  61
  62 typedef struct _NPFS_CONTEXT
  63 {
  64   LIST_ENTRY ListEntry;
  65   PKEVENT WaitEvent;
  66 } NPFS_CONTEXT, *PNPFS_CONTEXT;
  67
  68 typedef struct _NPFS_THREAD_CONTEXT
  69 {
  70   ULONG Count;
  71   KEVENT Event;
  72   PNPFS_DEVICE_EXTENSION DeviceExt;
  73   LIST_ENTRY ListEntry;
  74   PVOID WaitObjectArray[MAXIMUM_WAIT_OBJECTS];
  75   KWAIT_BLOCK WaitBlockArray[MAXIMUM_WAIT_OBJECTS];
  76   PIRP WaitIrpArray[MAXIMUM_WAIT_OBJECTS];
  77 } NPFS_THREAD_CONTEXT, *PNPFS_THREAD_CONTEXT;
  78
  79 typedef struct _NPFS_WAITER_ENTRY
  80 {
  81   LIST_ENTRY Entry;
  82   PNPFS_FCB Fcb;
  83 } NPFS_WAITER_ENTRY, *PNPFS_WAITER_ENTRY;
  84
  85
  86 extern NPAGED_LOOKASIDE_LIST NpfsPipeDataLookasideList;
  87
  88
  89 #define KeLockMutex(x) KeWaitForSingleObject(x, \
  90                                              UserRequest, \
  91                                              KernelMode, \
  92                                              FALSE, \
  93                                              NULL);
  94
  95 #define KeUnlockMutex(x) KeReleaseMutex(x, FALSE);
  96
  97
  98 NTSTATUS STDCALL NpfsCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  99 NTSTATUS STDCALL NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 100 NTSTATUS STDCALL NpfsCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 101 NTSTATUS STDCALL NpfsClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 102
 103 NTSTATUS STDCALL NpfsRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 104 NTSTATUS STDCALL NpfsWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 105
 106 NTSTATUS STDCALL NpfsFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 107
 108 NTSTATUS STDCALL NpfsFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 109
 110 NTSTATUS STDCALL NpfsQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 111 NTSTATUS STDCALL NpfsSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 112
 113 NTSTATUS STDCALL NpfsQueryVolumeInformation (PDEVICE_OBJECT DeviceObject, PIRP Irp);
 114
 115 #endif /* __DRIVERS_FS_NP_NPFS_H */