drivers/input/kbdclass/setup.c

   1 /*
   2  * PROJECT:     ReactOS Keyboard class driver
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        drivers/input/kbdclass/setup.c
   5  * PURPOSE:     Create a legacy PDO during ReactOS installation
   6  * PROGRAMMERS: Copyright 2006-2007 Hervé Poussineau (hpoussin@reactos.org)
   7  */
   8
   9 /* NOTE:
  10  * All this file is a big hack and should be removed one day...
  11  */
  12
  13 /* INCLUDES ******************************************************************/
  14
  15 #include "kbdclass.h"
  16
  17 /* GLOBALS *******************************************************************/
  18
  19 #define KEYBOARD_DATA_PORT    0x60
  20 #define KEYBOARD_CONTROL_PORT 0x64
  21 #define KEYBOARD_IRQ          1
  22
  23 /* FUNCTIONS *****************************************************************/
  24
  25 BOOLEAN
  26 IsFirstStageSetup(
  27         VOID)
  28 {
  29         UNICODE_STRING PathU = RTL_CONSTANT_STRING(L"\\REGISTRY\\MACHINE\\SYSTEM\\Setup");
  30         OBJECT_ATTRIBUTES ObjectAttributes;
  31         HANDLE hSetupKey = (HANDLE)NULL;
  32         NTSTATUS Status;
  33         BOOLEAN ret = TRUE;
  34
  35         InitializeObjectAttributes(&ObjectAttributes, &PathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
  36         Status = ZwOpenKey(&hSetupKey, KEY_QUERY_VALUE, &ObjectAttributes);
  37
  38         if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
  39                 ret = TRUE;
  40         else
  41                 ret = FALSE;
  42
  43         if (hSetupKey != (HANDLE)NULL)
  44                 ZwClose(hSetupKey);
  45         INFO_(CLASS_NAME, "IsFirstStageSetup() returns %s\n", ret ? "YES" : "NO");
  46         return ret;
  47 }
  48
  49 VOID NTAPI
  50 Send8042StartDevice(
  51         IN PDRIVER_OBJECT DriverObject,
  52         IN PDEVICE_OBJECT Pdo)
  53 {
  54         PCM_RESOURCE_LIST AllocatedResources = NULL;
  55         PCM_RESOURCE_LIST AllocatedResourcesTranslated = NULL;
  56         PDEVICE_OBJECT TopDeviceObject = NULL;
  57         KEVENT Event;
  58         IO_STATUS_BLOCK IoStatusBlock;
  59         PIRP Irp;
  60         PIO_STACK_LOCATION Stack;
  61         ULONG ResourceListSize;
  62         NTSTATUS Status;
  63
  64         TRACE_(CLASS_NAME, "SendStartDevice(%p)\n", Pdo);
  65
  66         /* Create default resource list */
  67         ResourceListSize = sizeof(CM_RESOURCE_LIST) + 3 * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
  68         AllocatedResources = ExAllocatePoolWithTag(PagedPool, ResourceListSize, CLASS_TAG);
  69         if (!AllocatedResources)
  70         {
  71                 WARN_(CLASS_NAME, "ExAllocatePoolWithTag() failed\n");
  72                 Status = STATUS_NO_MEMORY;
  73                 goto cleanup;
  74         }
  75         AllocatedResources->Count = 1;
  76         AllocatedResources->List[0].PartialResourceList.Version = 1;
  77         AllocatedResources->List[0].PartialResourceList.Revision = 1;
  78         AllocatedResources->List[0].PartialResourceList.Count = 3;
  79         /* Data port */
  80         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[0].Type = CmResourceTypePort;
  81         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[0].ShareDisposition = CmResourceShareDeviceExclusive;
  82         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[0].Flags = 0; /* FIXME */
  83         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[0].u.Port.Start.u.HighPart = 0;
  84         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[0].u.Port.Start.u.LowPart = KEYBOARD_DATA_PORT;
  85         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[0].u.Port.Length = 1;
  86         /* Control port */
  87         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[1].Type = CmResourceTypePort;
  88         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[1].ShareDisposition = CmResourceShareDeviceExclusive;
  89         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[1].Flags = 0; /* FIXME */
  90         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[1].u.Port.Start.u.HighPart = 0;
  91         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[1].u.Port.Start.u.LowPart = KEYBOARD_CONTROL_PORT;
  92         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[1].u.Port.Length = 1;
  93         /* Interrupt */
  94         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].Type = CmResourceTypeInterrupt;
  95         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].ShareDisposition = CmResourceShareDeviceExclusive;
  96         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].Flags = CM_RESOURCE_INTERRUPT_LATCHED;
  97         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Level = KEYBOARD_IRQ;
  98         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Vector = 0;
  99         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Affinity = (KAFFINITY)-1;
 100
 101         /* Create default resource list translated */
 102         AllocatedResourcesTranslated = ExAllocatePoolWithTag(PagedPool, ResourceListSize, CLASS_TAG);
 103         if (!AllocatedResourcesTranslated)
 104         {
 105                 WARN_(CLASS_NAME, "ExAllocatePoolWithTag() failed\n");
 106                 Status = STATUS_NO_MEMORY;
 107                 goto cleanup;
 108         }
 109         RtlCopyMemory(AllocatedResourcesTranslated, AllocatedResources, ResourceListSize);
 110         AllocatedResourcesTranslated->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Vector = HalGetInterruptVector(
 111                         Internal, 0,
 112                         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Level,
 113                         AllocatedResources->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Vector,
 114                         (PKIRQL)&AllocatedResourcesTranslated->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Level,
 115                         &AllocatedResourcesTranslated->List[0].PartialResourceList.PartialDescriptors[2].u.Interrupt.Affinity);
 116
 117         /* Send IRP_MN_START_DEVICE */
 118         TopDeviceObject = IoGetAttachedDeviceReference(Pdo);
 119         KeInitializeEvent(
 120                 &Event,
 121                 NotificationEvent,
 122                 FALSE);
 123         Irp = IoBuildSynchronousFsdRequest(
 124                 IRP_MJ_PNP,
 125                 TopDeviceObject,
 126                 NULL,
 127                 0,
 128                 NULL,
 129                 &Event,
 130                 &IoStatusBlock);
 131         Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
 132         Irp->IoStatus.Information = 0;
 133         Stack = IoGetNextIrpStackLocation(Irp);
 134         Stack->MinorFunction = IRP_MN_START_DEVICE;
 135         Stack->Parameters.StartDevice.AllocatedResources = AllocatedResources;
 136         Stack->Parameters.StartDevice.AllocatedResourcesTranslated = AllocatedResourcesTranslated;
 137         Status = IoCallDriver(TopDeviceObject, Irp);
 138         if (Status == STATUS_PENDING)
 139         {
 140                 KeWaitForSingleObject(
 141                         &Event,
 142                         Executive,
 143                         KernelMode,
 144                         FALSE,
 145                         NULL);
 146                 Status = IoStatusBlock.Status;
 147         }
 148         if (!NT_SUCCESS(Status))
 149         {
 150                 WARN_(CLASS_NAME, "IoCallDriver() failed with status 0x%08lx\n", Status);
 151                 goto cleanup;
 152         }
 153
 154 cleanup:
 155         if (TopDeviceObject)
 156                 ObDereferenceObject(TopDeviceObject);
 157         if (AllocatedResources)
 158                 ExFreePoolWithTag(AllocatedResources, CLASS_TAG);
 159         if (AllocatedResourcesTranslated)
 160                 ExFreePoolWithTag(AllocatedResourcesTranslated, CLASS_TAG);
 161 }