drivers/fs/ntfs/ntfs.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2002 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$
  20  *
  21  * COPYRIGHT:        See COPYING in the top level directory
  22  * PROJECT:          ReactOS kernel
  23  * FILE:             services/fs/ntfs/ntfs.c
  24  * PURPOSE:          NTFS filesystem driver
  25  * PROGRAMMER:       Eric Kohl
  26  */
  27
  28 /* INCLUDES *****************************************************************/
  29
  30 #include <ddk/ntddk.h>
  31
  32 //#define NDEBUG
  33 #include <debug.h>
  34
  35 #include "ntfs.h"
  36
  37
  38 /* GLOBALS *****************************************************************/
  39
  40 PNTFS_GLOBAL_DATA NtfsGlobalData;
  41
  42
  43 /* FUNCTIONS ****************************************************************/
  44
  45 NTSTATUS STDCALL
  46 DriverEntry(PDRIVER_OBJECT DriverObject,
  47             PUNICODE_STRING RegistryPath)
  48 /*
  49  * FUNCTION: Called by the system to initalize the driver
  50  * ARGUMENTS:
  51  *           DriverObject = object describing this driver
  52  *           RegistryPath = path to our configuration entries
  53  * RETURNS: Success or failure
  54  */
  55 {
  56   PDEVICE_OBJECT DeviceObject;
  57   NTSTATUS Status;
  58   UNICODE_STRING DeviceName = UNICODE_STRING_INITIALIZER(L"\\Ntfs");
  59
  60   DPRINT("NTFS 0.0.1\n");
  61
  62   Status = IoCreateDevice(DriverObject,
  63                           sizeof(NTFS_GLOBAL_DATA),
  64                           &DeviceName,
  65                           FILE_DEVICE_DISK_FILE_SYSTEM,
  66                           0,
  67                           FALSE,
  68                           &DeviceObject);
  69   if (!NT_SUCCESS(Status))
  70     {
  71       return(Status);
  72     }
  73
  74   /* Initialize global data */
  75   NtfsGlobalData = DeviceObject->DeviceExtension;
  76   RtlZeroMemory(NtfsGlobalData,
  77                 sizeof(NTFS_GLOBAL_DATA));
  78   NtfsGlobalData->DriverObject = DriverObject;
  79   NtfsGlobalData->DeviceObject = DeviceObject;
  80
  81   /* Initialize driver data */
  82   DeviceObject->Flags = DO_DIRECT_IO;
  83   DriverObject->MajorFunction[IRP_MJ_CLOSE] = (PDRIVER_DISPATCH) NtfsClose;
  84   DriverObject->MajorFunction[IRP_MJ_CREATE] = (PDRIVER_DISPATCH) NtfsCreate;
  85   DriverObject->MajorFunction[IRP_MJ_READ] = (PDRIVER_DISPATCH) NtfsRead;
  86   DriverObject->MajorFunction[IRP_MJ_WRITE] = (PDRIVER_DISPATCH) NtfsWrite;
  87   DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
  88     (PDRIVER_DISPATCH) NtfsFileSystemControl;
  89   DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
  90     (PDRIVER_DISPATCH) NtfsDirectoryControl;
  91   DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
  92     (PDRIVER_DISPATCH) NtfsQueryInformation;
  93   DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] =
  94     (PDRIVER_DISPATCH) NtfsQueryVolumeInformation;
  95   DriverObject->MajorFunction[IRP_MJ_SET_VOLUME_INFORMATION] =
  96     (PDRIVER_DISPATCH) NtfsSetVolumeInformation;
  97
  98   DriverObject->DriverUnload = NULL;
  99
 100   IoRegisterFileSystem(DeviceObject);
 101
 102   return(STATUS_SUCCESS);
 103 }
 104