reactos/drivers/base/condrv/condrv.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Console Driver
   4  * FILE:            drivers/base/condrv/condrv.c
   5  * PURPOSE:         Console Driver Management Functions
   6  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include "condrv.h"
  12
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* FUNCTIONS ******************************************************************/
  17
  18 /*
  19  * Callback functions prototypes
  20  */
  21 DRIVER_INITIALIZE DriverEntry;
  22 DRIVER_UNLOAD     ConDrvUnload;
  23 /*
  24 DRIVER_DISPATCH ConDrvIoControl;
  25 DRIVER_DISPATCH ConDrvCreate;
  26 DRIVER_DISPATCH ConDrvClose;
  27 DRIVER_DISPATCH ConDrvRead;
  28 DRIVER_DISPATCH ConDrvWrite;
  29 DRIVER_DISPATCH ConDrvCleanup;
  30 */
  31 DRIVER_DISPATCH ConDrvDispatch;
  32
  33 NTSTATUS NTAPI
  34 DriverEntry(IN PDRIVER_OBJECT DriverObject,
  35             IN PUNICODE_STRING RegistryPath)
  36 {
  37     NTSTATUS Status;
  38     USHORT i;
  39     PCONDRV_DRIVER DriverExtension = NULL;
  40
  41     DPRINT1("Loading ReactOS Console Driver v0.0.1...\n");
  42
  43     DriverObject->DriverUnload = ConDrvUnload;
  44
  45     /* Initialize the different callback function pointers */
  46     for (i = 0 ; i <= IRP_MJ_MAXIMUM_FUNCTION ; ++i)
  47         DriverObject->MajorFunction[i] = ConDrvDispatch;
  48
  49 #if 0
  50     DriverObject->MajorFunction[IRP_MJ_CREATE]  = ConDrvCreate;
  51     DriverObject->MajorFunction[IRP_MJ_CLOSE]   = ConDrvClose;
  52
  53     /* temporary deactivated...
  54     DriverObject->MajorFunction[IRP_MJ_CLEANUP] = ConDrvCleanup;
  55     */
  56     DriverObject->MajorFunction[IRP_MJ_READ]    = ConDrvRead;
  57     DriverObject->MajorFunction[IRP_MJ_WRITE]   = ConDrvWrite;
  58
  59     DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ConDrvIoControl;
  60 #endif
  61
  62     Status = IoAllocateDriverObjectExtension(DriverObject,
  63                                              DriverObject, // Unique ID for the driver object extension ==> gives it its address !
  64                                              sizeof(CONDRV_DRIVER),
  65                                              (PVOID*)&DriverExtension);
  66     if (!NT_SUCCESS(Status))
  67     {
  68         DPRINT1("IoAllocateDriverObjectExtension() failed with status 0x%08lx\n", Status);
  69         return Status;
  70     }
  71     RtlZeroMemory(DriverExtension, sizeof(CONDRV_DRIVER));
  72
  73     Status = ConDrvCreateController(DriverObject, RegistryPath);
  74
  75     DPRINT1("Done, Status = 0x%08lx\n", Status);
  76     return Status;
  77 }
  78
  79 VOID NTAPI
  80 ConDrvUnload(IN PDRIVER_OBJECT DriverObject)
  81 {
  82     DPRINT1("Unloading ReactOS Console Driver v0.0.1...\n");
  83
  84     /*
  85      * Delete the Controller device. This has as effect
  86      * to delete also all the terminals.
  87      */
  88     ConDrvDeleteController(DriverObject);
  89
  90     /* Sanity check: No devices must exist at this point */
  91     ASSERT(DriverObject->DeviceObject == NULL);
  92
  93     DPRINT1("Done\n");
  94     return;
  95 }
  96
  97 /* EOF */