drivers/filesystems/msfs/msfs.c

   1 /*
   2  * COPYRIGHT:  See COPYING in the top level directory
   3  * PROJECT:    ReactOS kernel
   4  * FILE:       drivers/filesystems/msfs/msfs.c
   5  * PURPOSE:    Mailslot filesystem
   6  * PROGRAMMER: Eric Kohl
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include "msfs.h"
  12
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* FUNCTIONS *****************************************************************/
  17
  18 NTSTATUS NTAPI
  19 DriverEntry(PDRIVER_OBJECT DriverObject,
  20             PUNICODE_STRING RegistryPath)
  21 {
  22     PMSFS_DEVICE_EXTENSION DeviceExtension;
  23     PDEVICE_OBJECT DeviceObject;
  24     UNICODE_STRING DeviceName;
  25     NTSTATUS Status;
  26
  27     UNREFERENCED_PARAMETER(RegistryPath);
  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->FcbListHead);
  75     KeInitializeMutex(&DeviceExtension->FcbListLock,
  76                       0);
  77
  78     return STATUS_SUCCESS;
  79 }
  80
  81 /* EOF */