reactos/drivers/fs/np/mount.c

   1 /* $Id: mount.c,v 1.2 1999/12/04 20:58:42 ea Exp $
   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
  14 //#define NDEBUG
  15 #include <internal/debug.h>
  16
  17 #include "npfs.h"
  18
  19 /* GLOBALS *******************************************************************/
  20
  21 static PDRIVER_OBJECT DriverObject;
  22
  23 /* FUNCTIONS *****************************************************************/
  24
  25 NTSTATUS NpfsMount(PDEVICE_OBJECT DeviceToMount)
  26 {
  27    NTSTATUS Status;
  28    PDEVICE_OBJECT DeviceObject;
  29    PNPFS_DEVICE_EXTENSION DeviceExt;
  30
  31    Status = IoCreateDevice(DriverObject,
  32                            sizeof(NPFS_DEVICE_EXTENSION),
  33                            NULL,
  34                            FILE_DEVICE_FILE_SYSTEM,
  35                            0,
  36                            FALSE,
  37                            &DeviceObject);
  38    if (!NT_SUCCESS(Status))
  39      {
  40         return(Status);
  41      }
  42
  43    DeviceObject->Flags = DeviceObject->Flags | DO_DIRECT_IO;
  44    DeviceExt = (PNPFS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  45
  46    DeviceExt->StorageDevice = IoAttachDeviceToDeviceStack(DeviceObject,
  47                                                           DeviceToMount);
  48
  49    return(STATUS_SUCCESS);
  50 }
  51
  52 NTSTATUS NpfsFileSystemControl(PDEVICE_OBJECT DeviceObject,
  53                                PIRP Irp)
  54 {
  55    PIO_STACK_LOCATION IoStack = IoGetCurrentIrpStackLocation(Irp);
  56    PVPB Vpb = IoStack->Parameters.Mount.Vpb;
  57    PDEVICE_OBJECT DeviceToMount = IoStack->Parameters.Mount.DeviceObject;
  58    NTSTATUS Status;
  59
  60    Status = NpfsMount(DeviceToMount);
  61
  62    Irp->IoStatus.Status = Status;
  63    Irp->IoStatus.Information = 0;
  64
  65    IoCompleteRequest(Irp, IO_NO_INCREMENT);
  66
  67    return(Status);
  68
  69 }
  70
  71 NTSTATUS DriverEntry(PDRIVER_OBJECT _DriverObject,
  72                      PUNICODE_STRING RegistryPath)
  73 {
  74    PDEVICE_OBJECT DeviceObject;
  75    NTSTATUS Status;
  76    UNICODE_STRING DeviceName;
  77
  78    DbgPrint("Named Pipe Filesystem\n");
  79
  80    DriverObject = _DriverObject;
  81
  82    RtlInitUnicodeString(&DeviceName, L"\\Device\\Npfs");
  83    Status = IoCreateDevice(DriverObject,
  84                            0,
  85                            &DeviceName,
  86                            FILE_DEVICE_FILE_SYSTEM,
  87                            0,
  88                            FALSE,
  89                            &DeviceObject);
  90    if (!NT_SUCCESS(Status))
  91      {
  92         return(Status);
  93      }
  94
  95    DeviceObject->Flags = 0;
  96    DeviceObject->MajorFunction[IRP_MJ_CLOSE] = NpfsClose;
  97    DeviceObject->MajorFunction[IRP_MJ_CREATE] = NpfsCreate;
  98    DeviceObject->MajorFunction[IRP_MJ_READ] = NpfsRead;
  99    DeviceObject->MajorFunction[IRP_MJ_WRITE] = NpfsWrite;
 100    DeviceObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
 101      NpfsFileSystemControl;
 102    DeviceObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
 103      NpfsDirectoryControl;
 104    DeviceObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
 105      NpfsQueryInformation;
 106    DeviceObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
 107      NpfsSetInformation;
 108    DeviceObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = NpfsFlushBuffers;
 109    DeviceObject->MajorFunction[IRP_MJ_SHUTDOWN] = NpfsShutdown;
 110    DeviceObject->MajorFunction[IRP_MJ_CLEANUP] = NpfsCleanup;
 111    DeviceObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
 112      NpfsQuerySecurity;
 113    DeviceObject->MajorFunction[IRP_MJ_SET_SECURITY] =
 114      NpfsSetSecurity;
 115    DeviceObject->MajorFunction[IRP_MJ_QUERY_QUOTA] =
 116      NpfsQueryQuota;
 117    DeviceObject->MajorFunction[IRP_MJ_SET_QUOTA] =
 118      NpfsSetQuota;
 119
 120    DriverObject->DriverUnload = NULL;
 121
 122    IoRegisterFileSystem(DeviceObject);
 123
 124    return(STATUS_SUCCESS);
 125 }
 126
 127
 128 /* EOF */