drivers/usb/usbhub/usbhub.c

   1 /*
   2  * PROJECT:         ReactOS Universal Serial Bus Hub Driver
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            drivers/usb/usbhub/fdo.c
   5  * PURPOSE:         UsbHub Driver
   6  * PROGRAMMERS:
   7  *                  Hervé Poussineau (hpoussin@reactos.org)
   8  *                  Michael Martin (michael.martin@reactos.org)
   9  *                  Johannes Anderwald (johannes.anderwald@reactos.org)
  10  */
  11
  12 #include "usbhub.h"
  13
  14 NTSTATUS NTAPI
  15 USBHUB_Create(
  16     IN PDEVICE_OBJECT DeviceObject,
  17     IN PIRP Irp)
  18 {
  19     DPRINT1("USBHUB: IRP_MJ_CREATE\n");
  20
  21     Irp->IoStatus.Status = STATUS_SUCCESS;
  22     Irp->IoStatus.Information = 0;
  23     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  24     return STATUS_SUCCESS;
  25 }
  26
  27 NTSTATUS NTAPI
  28 USBHUB_Close(
  29     IN PDEVICE_OBJECT DeviceObject,
  30     IN PIRP Irp)
  31 {
  32     DPRINT1("USBHUB: IRP_MJ_CLOSE\n");
  33
  34     Irp->IoStatus.Status = STATUS_SUCCESS;
  35     Irp->IoStatus.Information = 0;
  36     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  37     return STATUS_SUCCESS;
  38 }
  39
  40 NTSTATUS NTAPI
  41 USBHUB_Cleanup(
  42     IN PDEVICE_OBJECT DeviceObject,
  43     IN PIRP Irp)
  44 {
  45     DPRINT1("USBHUB: IRP_MJ_CLEANUP\n");
  46
  47     Irp->IoStatus.Status = STATUS_SUCCESS;
  48     Irp->IoStatus.Information = 0;
  49     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  50     return STATUS_SUCCESS;
  51 }
  52
  53
  54 NTSTATUS NTAPI
  55 USBHUB_AddDevice(
  56     IN PDRIVER_OBJECT DriverObject,
  57     IN PDEVICE_OBJECT PhysicalDeviceObject)
  58 {
  59     PDEVICE_OBJECT DeviceObject;
  60     PHUB_DEVICE_EXTENSION HubDeviceExtension;
  61     NTSTATUS Status;
  62     DPRINT1("USBHUB: AddDevice\n");
  63     //
  64     // Create the Device Object
  65     //
  66     Status = IoCreateDevice(DriverObject,
  67                             sizeof(HUB_DEVICE_EXTENSION),
  68                             NULL,
  69                             FILE_DEVICE_BUS_EXTENDER,
  70                             FILE_AUTOGENERATED_DEVICE_NAME,
  71                             FALSE,
  72                             &DeviceObject);
  73
  74     if (!NT_SUCCESS(Status))
  75     {
  76         DPRINT1("USBHUB: IoCreateDevice() failed with status 0x%08lx\n", Status);
  77         return Status;
  78     }
  79
  80     //
  81     // Zero Hub Extension
  82     //
  83     HubDeviceExtension = (PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  84     RtlZeroMemory(HubDeviceExtension, sizeof(HUB_DEVICE_EXTENSION));
  85
  86     //
  87     // Set this to Fdo
  88     //
  89     HubDeviceExtension->Common.IsFDO = TRUE;
  90     DeviceObject->Flags |= DO_POWER_PAGABLE;
  91
  92     //
  93     // initialize reset complete event
  94     //
  95     KeInitializeEvent(&HubDeviceExtension->ResetComplete, NotificationEvent, FALSE);
  96
  97     //
  98     // Attached to lower device
  99     //
 100     //Status = IoAttachDeviceToDeviceStackSafe(Fdo, Pdo, &DeviceExtension->LowerDevice);
 101     HubDeviceExtension->LowerDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
 102     if (!NT_SUCCESS(Status))
 103     {
 104         DPRINT1("USBHUB: IoAttachDeviceToDeviceStackSafe() failed with status 0x%08lx\n", Status);
 105         IoDeleteDevice(DeviceObject);
 106         return Status;
 107     }
 108
 109     DeviceObject->Flags |= DO_BUFFERED_IO;
 110     DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
 111
 112     return STATUS_SUCCESS;
 113 }
 114
 115 static NTSTATUS NTAPI
 116 USBHUB_IrpStub(
 117     IN PDEVICE_OBJECT DeviceObject,
 118     IN PIRP Irp)
 119 {
 120     NTSTATUS Status;
 121
 122     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 123     {
 124         DPRINT1("Usbhub: FDO stub for major function 0x%lx\n",
 125             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
 126         return ForwardIrpAndForget(DeviceObject, Irp);
 127     }
 128     else
 129     {
 130         //
 131         // Cant forward as we are the PDO!
 132         //
 133         DPRINT1("USBHUB: ERROR- PDO stub for major function 0x%lx\n",
 134             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
 135 #ifndef NDEBUG
 136         DbgBreakPoint();
 137 #endif
 138     }
 139
 140     Status = Irp->IoStatus.Status;
 141     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 142     return Status;
 143 }
 144
 145
 146 NTSTATUS NTAPI
 147 USBHUB_DispatchDeviceControl(
 148     PDEVICE_OBJECT DeviceObject,
 149     PIRP Irp)
 150 {
 151     DPRINT1("Usbhub: DispatchDeviceControl\n");
 152     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 153         return USBHUB_FdoHandleDeviceControl(DeviceObject, Irp);
 154     else
 155         return USBHUB_IrpStub(DeviceObject, Irp);
 156 }
 157
 158 NTSTATUS NTAPI
 159 USBHUB_DispatchInternalDeviceControl(
 160     PDEVICE_OBJECT DeviceObject,
 161     PIRP Irp)
 162 {
 163     //DPRINT1("Usbhub: DispatchInternalDeviceControl\n");
 164     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 165         return USBHUB_IrpStub(DeviceObject, Irp);
 166     else
 167         return USBHUB_PdoHandleInternalDeviceControl(DeviceObject, Irp);
 168 }
 169
 170 NTSTATUS NTAPI
 171 USBHUB_DispatchPnp(
 172     PDEVICE_OBJECT DeviceObject,
 173     PIRP Irp)
 174 {
 175     DPRINT1("USBHUB: DispatchPnp\n");
 176     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 177         return USBHUB_FdoHandlePnp(DeviceObject, Irp);
 178     else
 179         return USBHUB_PdoHandlePnp(DeviceObject, Irp);
 180 }
 181
 182 NTSTATUS NTAPI
 183 USBHUB_DispatchPower(
 184     PDEVICE_OBJECT DeviceObject,
 185     PIRP Irp)
 186 {
 187     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 188     return STATUS_NOT_SUPPORTED;
 189 }
 190
 191 VOID
 192 NTAPI
 193 USBHUB_Unload(
 194     IN PDRIVER_OBJECT DriverObject)
 195 {
 196     UNIMPLEMENTED
 197 }
 198
 199
 200 NTSTATUS NTAPI
 201 DriverEntry(
 202     IN PDRIVER_OBJECT DriverObject,
 203     IN PUNICODE_STRING RegistryPath)
 204 {
 205     DriverObject->DriverExtension->AddDevice = USBHUB_AddDevice;
 206     DriverObject->DriverUnload = USBHUB_Unload;
 207
 208     DPRINT1("USBHUB: DriverEntry\n");
 209
 210     DriverObject->MajorFunction[IRP_MJ_CREATE] = USBHUB_Create;
 211     DriverObject->MajorFunction[IRP_MJ_CLOSE] = USBHUB_Close;
 212     DriverObject->MajorFunction[IRP_MJ_CLEANUP] = USBHUB_Cleanup;
 213     DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBHUB_DispatchDeviceControl;
 214     DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = USBHUB_DispatchInternalDeviceControl;
 215     DriverObject->MajorFunction[IRP_MJ_PNP] = USBHUB_DispatchPnp;
 216     DriverObject->MajorFunction[IRP_MJ_POWER] =USBHUB_DispatchPower;
 217
 218     return STATUS_SUCCESS;
 219 }
 220