ntoskrnl/io/pnpmgr/pnpreport.c

   1 /*
   2  * PROJECT:         ReactOS Kernel
   3  * COPYRIGHT:       GPL - See COPYING in the top level directory
   4  * FILE:            ntoskrnl/io/pnpmgr/pnpreport.c
   5  * PURPOSE:         Device Changes Reporting Functions
   6  * PROGRAMMERS:     Filip Navara (xnavara@volny.cz)
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include <ntoskrnl.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* PUBLIC FUNCTIONS **********************************************************/
  16
  17 /*
  18  * @implemented
  19  */
  20 NTSTATUS
  21 NTAPI
  22 IoReportDetectedDevice(IN PDRIVER_OBJECT DriverObject,
  23                        IN INTERFACE_TYPE LegacyBusType,
  24                        IN ULONG BusNumber,
  25                        IN ULONG SlotNumber,
  26                        IN PCM_RESOURCE_LIST ResourceList,
  27                        IN PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirements OPTIONAL,
  28                        IN BOOLEAN ResourceAssigned,
  29                        IN OUT PDEVICE_OBJECT *DeviceObject OPTIONAL)
  30 {
  31     PDEVICE_NODE DeviceNode;
  32     PDEVICE_OBJECT Pdo;
  33     NTSTATUS Status = STATUS_SUCCESS;
  34
  35     DPRINT("__FUNCTION__ (DeviceObject %p, *DeviceObject %p)\n",
  36       DeviceObject, DeviceObject ? *DeviceObject : NULL);
  37
  38     /* if *DeviceObject is not NULL, we must use it as a PDO, and don't create a new one */
  39     if (DeviceObject && *DeviceObject)
  40     {
  41         Pdo = *DeviceObject;
  42     }
  43     else
  44     {
  45         UNICODE_STRING ServiceName;
  46         ServiceName.Buffer = DriverObject->DriverName.Buffer +
  47           sizeof(DRIVER_ROOT_NAME) / sizeof(WCHAR) - 1;
  48         ServiceName.Length = DriverObject->DriverName.Length -
  49           sizeof(DRIVER_ROOT_NAME) + sizeof(WCHAR);
  50         ServiceName.MaximumLength = ServiceName.Length;
  51
  52         /* create a new PDO and return it in *DeviceObject */
  53         Status = IopCreateDeviceNode(IopRootDeviceNode,
  54                                      NULL,
  55                                      &ServiceName,
  56                                      &DeviceNode);
  57
  58         if (!NT_SUCCESS(Status))
  59         {
  60             DPRINT("IopCreateDeviceNode() failed (Status 0x%08lx)\n", Status);
  61             return Status;
  62         }
  63
  64         Pdo = DeviceNode->PhysicalDeviceObject;
  65         if (DeviceObject) *DeviceObject = Pdo;
  66   }
  67
  68     /* we don't need to call AddDevice and send IRP_MN_START_DEVICE */
  69     return Status;
  70 }
  71
  72 /*
  73  * @unimplemented
  74  */
  75 NTSTATUS
  76 NTAPI
  77 IoReportResourceForDetection(IN PDRIVER_OBJECT DriverObject,
  78                              IN PCM_RESOURCE_LIST DriverList OPTIONAL,
  79                              IN ULONG DriverListSize OPTIONAL,
  80                              IN PDEVICE_OBJECT DeviceObject OPTIONAL,
  81                              IN PCM_RESOURCE_LIST DeviceList OPTIONAL,
  82                              IN ULONG DeviceListSize OPTIONAL,
  83                              OUT PBOOLEAN ConflictDetected)
  84 {
  85     static int warned = 0;
  86     if (!warned)
  87     {
  88         DPRINT1("IoReportResourceForDetection partly implemented\n");
  89         warned = 1;
  90     }
  91
  92     *ConflictDetected = FALSE;
  93
  94     if (PopSystemPowerDeviceNode && DriverListSize > 0)
  95     {
  96         /* We hope legacy devices will be enumerated by ACPI */
  97         *ConflictDetected = TRUE;
  98         return STATUS_CONFLICTING_ADDRESSES;
  99     }
 100
 101     return STATUS_SUCCESS;
 102 }
 103
 104 VOID
 105 NTAPI
 106 IopSetEvent(IN PVOID Context)
 107 {
 108     PKEVENT Event = Context;
 109
 110     /* Set the event */
 111     KeSetEvent(Event, IO_NO_INCREMENT, FALSE);
 112 }
 113
 114 /*
 115  * @unimplemented
 116  */
 117 NTSTATUS
 118 NTAPI
 119 IoReportTargetDeviceChange(IN PDEVICE_OBJECT PhysicalDeviceObject,
 120                            IN PVOID NotificationStructure)
 121 {
 122     UNIMPLEMENTED;
 123     return STATUS_NOT_IMPLEMENTED;
 124 }
 125
 126 /*
 127  * @unimplemented
 128  */
 129 NTSTATUS
 130 NTAPI
 131 IoReportTargetDeviceChangeAsynchronous(IN PDEVICE_OBJECT PhysicalDeviceObject,
 132                                        IN PVOID NotificationStructure,
 133                                        IN PDEVICE_CHANGE_COMPLETE_CALLBACK Callback OPTIONAL,
 134                                        IN PVOID Context OPTIONAL)
 135 {
 136     UNIMPLEMENTED;
 137     return STATUS_NOT_IMPLEMENTED;
 138 }