drivers/dd/test/test.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS kernel
   4  * FILE:             services/test/test.c
   5  * PURPOSE:          Testing driver
   6  * PROGRAMMER:       David Welch (welch@mcmail.com)
   7  * UPDATE HISTORY:
   8  *              ??/??/??: Created
   9  *              18/06/98: Made more NT like
  10  */
  11
  12 /* INCLUDES ****************************************************************/
  13
  14 #include <ddk/ntddk.h>
  15
  16 /* FUNCTIONS **************************************************************/
  17
  18 #if 0
  19
  20 NTSTATUS TestWrite(PIRP Irp, PIO_STACK_LOCATION Stk)
  21 {
  22    PVOID Address;
  23
  24    Address = MmGetSystemAddressForMdl(Irp->MdlAddress);
  25    DbgPrint("Asked to write '%s'\n",(PCH)Address);
  26    return(STATUS_SUCCESS);
  27 }
  28
  29 NTSTATUS TestDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  30 /*
  31  * FUNCTION: Handles user mode requests
  32  * ARGUMENTS:
  33  *           DeviceObject = Device for request
  34  *           Irp = I/O request packet describing request
  35  * RETURNS: Success or failure
  36  */
  37 {
  38    PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
  39    NTSTATUS status;
  40    int i;
  41
  42    switch (Stack->MajorFunction)
  43      {
  44       case IRP_MJ_CREATE:
  45         DbgPrint("(Test Driver) Creating\n");
  46         status = STATUS_SUCCESS;
  47         break;
  48
  49       case IRP_MJ_CLOSE:
  50         status = STATUS_SUCCESS;
  51         break;
  52
  53       case IRP_MJ_WRITE:
  54         DbgPrint("(Test Driver) Writing\n");
  55         status = TestWrite(Irp,Stack);
  56         break;
  57
  58       default:
  59         status = STATUS_NOT_IMPLEMENTED;
  60         break;
  61      }
  62
  63    Irp->IoStatus.Status = status;
  64    Irp->IoStatus.Information = 0;
  65
  66    IoCompleteRequest(Irp, IO_NO_INCREMENT);
  67    return(status);
  68 }
  69
  70 #endif
  71
  72 NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
  73 /*
  74  * FUNCTION: Called by the system to initalize the driver
  75  * ARGUMENTS:
  76  *           DriverObject = object describing this driver
  77  *           RegistryPath = path to our configuration entries
  78  * RETURNS: Success or failure
  79  */
  80 {
  81    PDEVICE_OBJECT DeviceObject;
  82    NTSTATUS ret;
  83    ANSI_STRING astr;
  84    UNICODE_STRING ustr;
  85
  86    DbgPrint("Test Driver 0.0.1\n");
  87
  88    #if 0
  89    RtlInitAnsiString(&astr,"\\Device\\Test");
  90    RtlAnsiStringToUnicodeString(&ustr,&astr,TRUE);
  91    ret = IoCreateDevice(DriverObject,0,&ustr,
  92                         FILE_DEVICE_PARALLEL_PORT,0,FALSE,&DeviceObject);
  93    if (ret!=STATUS_SUCCESS)
  94      {
  95         return(ret);
  96      }
  97
  98    DeviceObject->Flags=DO_DIRECT_IO;
  99    DriverObject->MajorFunction[IRP_MJ_CLOSE] = TestDispatch;
 100    DriverObject->MajorFunction[IRP_MJ_CREATE] = TestDispatch;
 101    DriverObject->MajorFunction[IRP_MJ_WRITE] = TestDispatch;
 102    DriverObject->MajorFunction[IRP_MJ_WRITE] = TestDispatch;
 103    DriverObject->DriverUnload = NULL;
 104    #endif
 105    return(STATUS_SUCCESS);
 106 }
 107