reactos/drivers/fs/np/npfs.c

   1 /* $Id: npfs.c,v 1.2 2001/10/21 18:58:31 chorns 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 #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    DeviceObject->Flags = 0;
  34    DriverObject->MajorFunction[IRP_MJ_CREATE] = NpfsCreate;
  35    DriverObject->MajorFunction[IRP_MJ_CREATE_NAMED_PIPE] =
  36      NpfsCreateNamedPipe;
  37    DriverObject->MajorFunction[IRP_MJ_CLOSE] = NpfsClose;
  38    DriverObject->MajorFunction[IRP_MJ_READ] = NpfsRead;
  39    DriverObject->MajorFunction[IRP_MJ_WRITE] = NpfsWrite;
  40    DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
  41      NpfsQueryInformation;
  42    DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
  43      NpfsSetInformation;
  44    DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] =
  45      NpfsQueryVolumeInformation;
  46 //   DriverObject->MajorFunction[IRP_MJ_CLEANUP] = NpfsCleanup;
  47 //   DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = NpfsFlushBuffers;
  48 //   DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
  49 //     NpfsDirectoryControl;
  50    DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
  51      NpfsFileSystemControl;
  52 //   DriverObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
  53 //     NpfsQuerySecurity;
  54 //   DriverObject->MajorFunction[IRP_MJ_SET_SECURITY] =
  55 //     NpfsSetSecurity;
  56
  57    DriverObject->DriverUnload = NULL;
  58
  59    RtlInitUnicodeString(&DeviceName, L"\\Device\\NamedPipe");
  60    Status = IoCreateDevice(DriverObject,
  61                            sizeof(NPFS_DEVICE_EXTENSION),
  62                            &DeviceName,
  63                            FILE_DEVICE_NAMED_PIPE,
  64                            0,
  65                            FALSE,
  66                            &DeviceObject);
  67    if (!NT_SUCCESS(Status))
  68      {
  69         DPRINT("Failed to create named pipe device! (Status %x)\n", Status);
  70         return(Status);
  71      }
  72
  73    /* initialize the device extension */
  74    DeviceExtension = DeviceObject->DeviceExtension;
  75    InitializeListHead(&DeviceExtension->PipeListHead);
  76    KeInitializeMutex(&DeviceExtension->PipeListLock,
  77                      0);
  78
  79   ExInitializeNPagedLookasideList(
  80     &NpfsPipeDataLookasideList,
  81     NULL,
  82     NULL,
  83     0,
  84     sizeof(NPFS_PIPE_DATA),
  85     TAG('N', 'P', 'D', 'A'),
  86     0);
  87
  88    return(STATUS_SUCCESS);
  89 }
  90
  91 /* EOF */