reactos/drivers/filesystems/ms/msfs.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:  See COPYING in the top level directory
   4  * PROJECT:    ReactOS kernel
   5  * FILE:       services/fs/ms/msfs.c
   6  * PURPOSE:    Mailslot filesystem
   7  * PROGRAMMER: Eric Kohl <ekohl@rz-online.de>
   8  */
   9
  10 /* INCLUDES ******************************************************************/
  11
  12 #include "msfs.h"
  13
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17
  18 /* FUNCTIONS *****************************************************************/
  19
  20 NTSTATUS NTAPI
  21 DriverEntry(PDRIVER_OBJECT DriverObject,
  22             PUNICODE_STRING RegistryPath)
  23 {
  24    PMSFS_DEVICE_EXTENSION DeviceExtension;
  25    PDEVICE_OBJECT DeviceObject;
  26    UNICODE_STRING DeviceName;
  27    NTSTATUS Status;
  28
  29    DPRINT("Mailslot FSD 0.0.1\n");
  30
  31    DriverObject->Flags = 0;
  32    DriverObject->MajorFunction[IRP_MJ_CREATE] = MsfsCreate;
  33    DriverObject->MajorFunction[IRP_MJ_CREATE_MAILSLOT] =
  34      MsfsCreateMailslot;
  35    DriverObject->MajorFunction[IRP_MJ_CLOSE] = MsfsClose;
  36    DriverObject->MajorFunction[IRP_MJ_READ] = MsfsRead;
  37    DriverObject->MajorFunction[IRP_MJ_WRITE] = MsfsWrite;
  38    DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
  39      MsfsQueryInformation;
  40    DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
  41      MsfsSetInformation;
  42 //   DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
  43 //     MsfsDirectoryControl;
  44 //   DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = MsfsFlushBuffers;
  45 //   DriverObject->MajorFunction[IRP_MJ_SHUTDOWN] = MsfsShutdown;
  46 //   DriverObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
  47 //     MsfsQuerySecurity;
  48 //   DriverObject->MajorFunction[IRP_MJ_SET_SECURITY] =
  49 //     MsfsSetSecurity;
  50    DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
  51      MsfsFileSystemControl;
  52
  53    DriverObject->DriverUnload = NULL;
  54
  55    RtlInitUnicodeString(&DeviceName,
  56                         L"\\Device\\MailSlot");
  57    Status = IoCreateDevice(DriverObject,
  58                            sizeof(MSFS_DEVICE_EXTENSION),
  59                            &DeviceName,
  60                            FILE_DEVICE_MAILSLOT,
  61                            0,
  62                            FALSE,
  63                            &DeviceObject);
  64    if (!NT_SUCCESS(Status))
  65      {
  66         return(Status);
  67      }
  68
  69    /* initialize the device object */
  70    DeviceObject->Flags = DO_DIRECT_IO;
  71
  72    /* initialize device extension */
  73    DeviceExtension = DeviceObject->DeviceExtension;
  74    InitializeListHead(&DeviceExtension->MailslotListHead);
  75    KeInitializeMutex(&DeviceExtension->MailslotListLock,
  76                      0);
  77
  78    return(STATUS_SUCCESS);
  79 }
  80
  81 /* EOF */