reactos/drivers/bus/pci/pdo.c

   1 /* $Id: pdo.c,v 1.1 2001/09/16 13:18:24 chorns Exp $
   2  *
   3  * PROJECT:         ReactOS PCI bus driver
   4  * FILE:            pdo.c
   5  * PURPOSE:         Child device object dispatch routines
   6  * PROGRAMMERS:     Casper S. Hornstrup (chorns@users.sourceforge.net)
   7  * UPDATE HISTORY:
   8  *      10-09-2001  CSH  Created
   9  */
  10 #include <pci.h>
  11
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /*** PRIVATE *****************************************************************/
  16
  17 NTSTATUS
  18 PdoQueryId(
  19   IN PDEVICE_OBJECT DeviceObject,
  20   IN PIRP Irp,
  21   PIO_STACK_LOCATION IrpSp)
  22 {
  23   PPDO_DEVICE_EXTENSION DeviceExtension;
  24   UNICODE_STRING String;
  25   NTSTATUS Status;
  26
  27   DPRINT("Called\n");
  28
  29   DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  30
  31 //  Irp->IoStatus.Information = 0;
  32
  33   Status = STATUS_SUCCESS;
  34
  35   RtlInitUnicodeString(&String, NULL);
  36
  37   switch (IrpSp->Parameters.QueryId.IdType) {
  38     case BusQueryDeviceID:
  39       Status = PciCreateUnicodeString(
  40         &String,
  41         DeviceExtension->DeviceID.Buffer,
  42         PagedPool);
  43
  44       DPRINT("DeviceID: %S\n", String.Buffer);
  45
  46       Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
  47       break;
  48
  49     case BusQueryHardwareIDs:
  50     case BusQueryCompatibleIDs:
  51       Status = STATUS_NOT_IMPLEMENTED;
  52       break;
  53
  54     case BusQueryInstanceID:
  55       Status = PciCreateUnicodeString(
  56         &String,
  57         L"0000",
  58         PagedPool);
  59
  60       DPRINT("InstanceID: %S\n", String.Buffer);
  61
  62       Irp->IoStatus.Information = (ULONG_PTR)String.Buffer;
  63       break;
  64
  65     case BusQueryDeviceSerialNumber:
  66     default:
  67       Status = STATUS_NOT_IMPLEMENTED;
  68   }
  69
  70   return Status;
  71 }
  72
  73
  74 NTSTATUS
  75 PdoSetPower(
  76   IN PDEVICE_OBJECT DeviceObject,
  77   IN PIRP Irp,
  78   PIO_STACK_LOCATION IrpSp)
  79 {
  80   PPDO_DEVICE_EXTENSION DeviceExtension;
  81   NTSTATUS Status;
  82
  83   DPRINT("Called\n");
  84
  85   DeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  86
  87   if (IrpSp->Parameters.Power.Type == DevicePowerState) {
  88     Status = STATUS_SUCCESS;
  89     switch (IrpSp->Parameters.Power.State.SystemState) {
  90     default:
  91       Status = STATUS_UNSUCCESSFUL;
  92     }
  93   } else {
  94     Status = STATUS_UNSUCCESSFUL;
  95   }
  96
  97   return Status;
  98 }
  99
 100
 101 /*** PUBLIC ******************************************************************/
 102
 103 NTSTATUS
 104 PdoPnpControl(
 105   PDEVICE_OBJECT DeviceObject,
 106   PIRP Irp)
 107 /*
 108  * FUNCTION: Handle Plug and Play IRPs for the child device
 109  * ARGUMENTS:
 110  *     DeviceObject = Pointer to physical device object of the child device
 111  *     Irp          = Pointer to IRP that should be handled
 112  * RETURNS:
 113  *     Status
 114  */
 115 {
 116   PIO_STACK_LOCATION IrpSp;
 117   NTSTATUS Status;
 118
 119   DPRINT("Called\n");
 120
 121   Status = Irp->IoStatus.Status;
 122
 123   IrpSp = IoGetCurrentIrpStackLocation(Irp);
 124
 125   switch (IrpSp->MinorFunction) {
 126 #if 0
 127   case IRP_MN_CANCEL_REMOVE_DEVICE:
 128     break;
 129
 130   case IRP_MN_CANCEL_STOP_DEVICE:
 131     break;
 132
 133   case IRP_MN_DEVICE_USAGE_NOTIFICATION:
 134     break;
 135
 136   case IRP_MN_EJECT:
 137     break;
 138
 139   case IRP_MN_QUERY_BUS_INFORMATION:
 140     break;
 141
 142   case IRP_MN_QUERY_CAPABILITIES:
 143     break;
 144
 145   case IRP_MN_QUERY_DEVICE_RELATIONS:
 146     /* FIXME: Possibly handle for RemovalRelations */
 147     break;
 148
 149   case IRP_MN_QUERY_DEVICE_TEXT:
 150     break;
 151 #endif
 152   case IRP_MN_QUERY_ID:
 153     Status = PdoQueryId(DeviceObject, Irp, IrpSp);
 154     break;
 155 #if 0
 156   case IRP_MN_QUERY_PNP_DEVICE_STATE:
 157     break;
 158
 159   case IRP_MN_QUERY_REMOVE_DEVICE:
 160     break;
 161
 162   case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
 163     break;
 164
 165   case IRP_MN_QUERY_RESOURCES:
 166     break;
 167
 168   case IRP_MN_QUERY_STOP_DEVICE:
 169     break;
 170
 171   case IRP_MN_REMOVE_DEVICE:
 172     break;
 173
 174   case IRP_MN_SET_LOCK:
 175     break;
 176
 177   case IRP_MN_START_DEVICE:
 178     break;
 179
 180   case IRP_MN_STOP_DEVICE:
 181     break;
 182
 183   case IRP_MN_SURPRISE_REMOVAL:
 184     break;
 185 #endif
 186   default:
 187     DPRINT("Unknown IOCTL 0x%X\n", IrpSp->MinorFunction);
 188     break;
 189   }
 190
 191   if (Status != STATUS_PENDING) {
 192     Irp->IoStatus.Status = Status;
 193     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 194   }
 195
 196   DPRINT("Leaving. Status 0x%X\n", Status);
 197
 198   return Status;
 199 }
 200
 201 NTSTATUS
 202 PdoPowerControl(
 203   PDEVICE_OBJECT DeviceObject,
 204   PIRP Irp)
 205 /*
 206  * FUNCTION: Handle power management IRPs for the child device
 207  * ARGUMENTS:
 208  *     DeviceObject = Pointer to physical device object of the child device
 209  *     Irp          = Pointer to IRP that should be handled
 210  * RETURNS:
 211  *     Status
 212  */
 213 {
 214   PIO_STACK_LOCATION IrpSp;
 215   NTSTATUS Status;
 216
 217   DPRINT("Called\n");
 218
 219   IrpSp = IoGetCurrentIrpStackLocation(Irp);
 220
 221   switch (IrpSp->MinorFunction) {
 222   case IRP_MN_SET_POWER:
 223     Status = PdoSetPower(DeviceObject, Irp, IrpSp);
 224     break;
 225
 226   default:
 227     DPRINT("Unknown IOCTL 0x%X\n", IrpSp->MinorFunction);
 228     Status = STATUS_NOT_IMPLEMENTED;
 229     break;
 230   }
 231
 232   if (Status != STATUS_PENDING) {
 233     Irp->IoStatus.Status = Status;
 234     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 235   }
 236
 237   DPRINT("Leaving. Status 0x%X\n", Status);
 238
 239   return Status;
 240 }
 241
 242 /* EOF */