reactos/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
  17 /* FUNCTIONS *****************************************************************/
  18
  19 NTSTATUS NTAPI
  20 DriverEntry(PDRIVER_OBJECT DriverObject,
  21             PUNICODE_STRING RegistryPath)
  22 {
  23     PMSFS_DEVICE_EXTENSION DeviceExtension;
  24     PDEVICE_OBJECT DeviceObject;
  25     UNICODE_STRING DeviceName;
  26     NTSTATUS Status;
  27
  28     DPRINT("Mailslot FSD 0.0.1\n");
  29
  30     DriverObject->Flags = 0;
  31     DriverObject->MajorFunction[IRP_MJ_CREATE] = MsfsCreate;
  32     DriverObject->MajorFunction[IRP_MJ_CREATE_MAILSLOT] =
  33         MsfsCreateMailslot;
  34     DriverObject->MajorFunction[IRP_MJ_CLOSE] = MsfsClose;
  35     DriverObject->MajorFunction[IRP_MJ_READ] = MsfsRead;
  36     DriverObject->MajorFunction[IRP_MJ_WRITE] = MsfsWrite;
  37     DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
  38         MsfsQueryInformation;
  39     DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
  40         MsfsSetInformation;
  41 //    DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
  42 //        MsfsDirectoryControl;
  43 //    DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = MsfsFlushBuffers;
  44 //    DriverObject->MajorFunction[IRP_MJ_SHUTDOWN] = MsfsShutdown;
  45 //    DriverObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
  46 //        MsfsQuerySecurity;
  47 //    DriverObject->MajorFunction[IRP_MJ_SET_SECURITY] =
  48 //        MsfsSetSecurity;
  49     DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
  50         MsfsFileSystemControl;
  51
  52     DriverObject->DriverUnload = NULL;
  53
  54     RtlInitUnicodeString(&DeviceName,
  55                          L"\\Device\\MailSlot");
  56     Status = IoCreateDevice(DriverObject,
  57                             sizeof(MSFS_DEVICE_EXTENSION),
  58                             &DeviceName,
  59                             FILE_DEVICE_MAILSLOT,
  60                             0,
  61                             FALSE,
  62                             &DeviceObject);
  63     if (!NT_SUCCESS(Status))
  64     {
  65         return Status;
  66     }
  67
  68     /* initialize the device object */
  69     DeviceObject->Flags |= DO_DIRECT_IO;
  70
  71     /* initialize device extension */
  72     DeviceExtension = DeviceObject->DeviceExtension;
  73     InitializeListHead(&DeviceExtension->FcbListHead);
  74     KeInitializeMutex(&DeviceExtension->FcbListLock,
  75                       0);
  76
  77     return STATUS_SUCCESS;
  78 }
  79
  80 /* EOF */