drivers/fs/np/npfs.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:  See COPYING in the top level directory
   4  * PROJECT:    ReactOS kernel
   5  * FILE:       services/fs/np/mount.c
   6  * PURPOSE:    Named pipe filesystem
   7  * PROGRAMMER: David Welch <welch@cwcom.net>
   8  */
   9
  10 /* INCLUDES ******************************************************************/
  11
  12 #include <ddk/ntddk.h>
  13 #include "npfs.h"
  14
  15 #define NDEBUG
  16 #include <debug.h>
  17
  18 NPAGED_LOOKASIDE_LIST NpfsPipeDataLookasideList;
  19
  20 /* FUNCTIONS *****************************************************************/
  21
  22 NTSTATUS STDCALL
  23 DriverEntry(PDRIVER_OBJECT DriverObject,
  24             PUNICODE_STRING RegistryPath)
  25 {
  26    PNPFS_DEVICE_EXTENSION DeviceExtension;
  27    PDEVICE_OBJECT DeviceObject;
  28    UNICODE_STRING DeviceName;
  29    NTSTATUS Status;
  30
  31    DbgPrint("Named Pipe FSD 0.0.2\n");
  32
  33    DriverObject->MajorFunction[IRP_MJ_CREATE] = NpfsCreate;
  34    DriverObject->MajorFunction[IRP_MJ_CREATE_NAMED_PIPE] =
  35      NpfsCreateNamedPipe;
  36    DriverObject->MajorFunction[IRP_MJ_CLOSE] = NpfsClose;
  37    DriverObject->MajorFunction[IRP_MJ_READ] = NpfsRead;
  38    DriverObject->MajorFunction[IRP_MJ_WRITE] = NpfsWrite;
  39    DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
  40      NpfsQueryInformation;
  41    DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
  42      NpfsSetInformation;
  43    DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] =
  44      NpfsQueryVolumeInformation;
  45 //   DriverObject->MajorFunction[IRP_MJ_CLEANUP] = NpfsCleanup;
  46 //   DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = NpfsFlushBuffers;
  47 //   DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
  48 //     NpfsDirectoryControl;
  49    DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
  50      NpfsFileSystemControl;
  51 //   DriverObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
  52 //     NpfsQuerySecurity;
  53 //   DriverObject->MajorFunction[IRP_MJ_SET_SECURITY] =
  54 //     NpfsSetSecurity;
  55
  56    DriverObject->DriverUnload = NULL;
  57
  58    RtlInitUnicodeString(&DeviceName, L"\\Device\\NamedPipe");
  59    Status = IoCreateDevice(DriverObject,
  60                            sizeof(NPFS_DEVICE_EXTENSION),
  61                            &DeviceName,
  62                            FILE_DEVICE_NAMED_PIPE,
  63                            0,
  64                            FALSE,
  65                            &DeviceObject);
  66    if (!NT_SUCCESS(Status))
  67      {
  68         DPRINT("Failed to create named pipe device! (Status %x)\n", Status);
  69         return(Status);
  70      }
  71
  72    /* initialize the device object */
  73    DeviceObject->Flags = DO_DIRECT_IO;
  74
  75    /* initialize the device extension */
  76    DeviceExtension = DeviceObject->DeviceExtension;
  77    InitializeListHead(&DeviceExtension->PipeListHead);
  78    KeInitializeMutex(&DeviceExtension->PipeListLock,
  79                      0);
  80
  81   ExInitializeNPagedLookasideList(
  82     &NpfsPipeDataLookasideList,
  83     NULL,
  84     NULL,
  85     0,
  86     sizeof(NPFS_PIPE_DATA),
  87     TAG('N', 'P', 'D', 'A'),
  88     0);
  89
  90    return(STATUS_SUCCESS);
  91 }
  92
  93 /* EOF */