drivers/usb/usbhub_new/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
  13 //#define NDEBUG
  14 #include "usbhub.h"
  15
  16 NTSTATUS NTAPI
  17 USBHUB_Create(
  18     IN PDEVICE_OBJECT DeviceObject,
  19     IN PIRP Irp)
  20 {
  21     DPRINT1("USBHUB: IRP_MJ_CREATE\n");
  22
  23     Irp->IoStatus.Status = STATUS_SUCCESS;
  24     Irp->IoStatus.Information = 0;
  25     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  26     return STATUS_SUCCESS;
  27 }
  28
  29 NTSTATUS NTAPI
  30 USBHUB_Close(
  31     IN PDEVICE_OBJECT DeviceObject,
  32     IN PIRP Irp)
  33 {
  34     DPRINT1("USBHUB: IRP_MJ_CLOSE\n");
  35
  36     Irp->IoStatus.Status = STATUS_SUCCESS;
  37     Irp->IoStatus.Information = 0;
  38     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  39     return STATUS_SUCCESS;
  40 }
  41
  42 NTSTATUS NTAPI
  43 USBHUB_Cleanup(
  44     IN PDEVICE_OBJECT DeviceObject,
  45     IN PIRP Irp)
  46 {
  47     DPRINT1("USBHUB: IRP_MJ_CLEANUP\n");
  48
  49     Irp->IoStatus.Status = STATUS_SUCCESS;
  50     Irp->IoStatus.Information = 0;
  51     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  52     return STATUS_SUCCESS;
  53 }
  54
  55
  56 NTSTATUS NTAPI
  57 USBHUB_AddDevice(
  58     IN PDRIVER_OBJECT DriverObject,
  59     IN PDEVICE_OBJECT PhysicalDeviceObject)
  60 {
  61     PDEVICE_OBJECT DeviceObject;
  62     PHUB_DEVICE_EXTENSION HubDeviceExtension;
  63     NTSTATUS Status;
  64
  65     //
  66     // Create the Device Object
  67     //
  68     Status = IoCreateDevice(DriverObject,
  69                             sizeof(HUB_DEVICE_EXTENSION),
  70                             NULL,
  71                             FILE_DEVICE_BUS_EXTENDER,
  72                             FILE_AUTOGENERATED_DEVICE_NAME,
  73                             FALSE,
  74                             &DeviceObject);
  75
  76     if (!NT_SUCCESS(Status))
  77     {
  78         DPRINT1("USBHUB: IoCreateDevice() failed with status 0x%08lx\n", Status);
  79         return Status;
  80     }
  81
  82     //
  83     // Zero Hub Extension
  84     //
  85     HubDeviceExtension = (PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  86     RtlZeroMemory(HubDeviceExtension, sizeof(HUB_DEVICE_EXTENSION));
  87
  88     //
  89     // Set this to Fdo
  90     //
  91     HubDeviceExtension->Common.IsFDO = TRUE;
  92     DeviceObject->Flags |= DO_POWER_PAGABLE;
  93
  94     //
  95     // Attached to lower device
  96     //
  97     //Status = IoAttachDeviceToDeviceStackSafe(Fdo, Pdo, &DeviceExtension->LowerDevice);
  98     HubDeviceExtension->LowerDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
  99     if (!NT_SUCCESS(Status))
 100     {
 101         DPRINT1("USBHUB: IoAttachDeviceToDeviceStackSafe() failed with status 0x%08lx\n", Status);
 102         IoDeleteDevice(DeviceObject);
 103         return Status;
 104     }
 105
 106     DeviceObject->Flags |= DO_BUFFERED_IO;
 107     DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
 108
 109     return STATUS_SUCCESS;
 110 }
 111
 112 static NTSTATUS NTAPI
 113 USBHUB_IrpStub(
 114     IN PDEVICE_OBJECT DeviceObject,
 115     IN PIRP Irp)
 116 {
 117     NTSTATUS Status;
 118
 119     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 120     {
 121         DPRINT1("Usbhub: FDO stub for major function 0x%lx\n",
 122             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
 123         return ForwardIrpAndForget(DeviceObject, Irp);
 124     }
 125     else
 126     {
 127         //
 128         // Cant forward as we are the PDO!
 129         //
 130         DPRINT1("USBHUB: ERROR- PDO stub for major function 0x%lx\n",
 131             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
 132 #ifndef NDEBUG
 133         DbgBreakPoint();
 134 #endif
 135     }
 136
 137     Status = Irp->IoStatus.Status;
 138     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 139     return Status;
 140 }
 141
 142
 143 NTSTATUS NTAPI
 144 USBHUB_DispatchDeviceControl(
 145     PDEVICE_OBJECT DeviceObject,
 146     PIRP Irp)
 147 {
 148     DPRINT1("Usbhub: DispatchDeviceControl\n");
 149     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 150         return USBHUB_FdoHandleDeviceControl(DeviceObject, Irp);
 151     else
 152         return USBHUB_IrpStub(DeviceObject, Irp);
 153 }
 154
 155 NTSTATUS NTAPI
 156 USBHUB_DispatchInternalDeviceControl(
 157     PDEVICE_OBJECT DeviceObject,
 158     PIRP Irp)
 159 {
 160     DPRINT1("Usbhub: DispatchInternalDeviceControl\n");
 161     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 162         return USBHUB_IrpStub(DeviceObject, Irp);
 163     else
 164         return USBHUB_PdoHandleInternalDeviceControl(DeviceObject, Irp);
 165 }
 166
 167 NTSTATUS NTAPI
 168 USBHUB_DispatchPnp(PDEVICE_OBJECT DeviceObject, PIRP Irp)
 169 {
 170     DPRINT1("USBHUB: DispatchPnp\n");
 171     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 172         return USBHUB_FdoHandlePnp(DeviceObject, Irp);
 173     else
 174         return USBHUB_PdoHandlePnp(DeviceObject, Irp);
 175 }
 176
 177 NTSTATUS NTAPI
 178 DriverEntry(
 179     IN PDRIVER_OBJECT DriverObject,
 180     IN PUNICODE_STRING RegistryPath)
 181 {
 182     ULONG i;
 183
 184     DriverObject->DriverExtension->AddDevice = USBHUB_AddDevice;
 185     DPRINT1("USBHUB: DriverEntry\n");
 186
 187     for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
 188         DriverObject->MajorFunction[i] = USBHUB_IrpStub;
 189
 190     DriverObject->MajorFunction[IRP_MJ_CREATE] = USBHUB_Create;
 191     DriverObject->MajorFunction[IRP_MJ_CLOSE] = USBHUB_Close;
 192     DriverObject->MajorFunction[IRP_MJ_CLEANUP] = USBHUB_Cleanup;
 193     DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBHUB_DispatchDeviceControl;
 194     DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = USBHUB_DispatchInternalDeviceControl;
 195     DriverObject->MajorFunction[IRP_MJ_PNP] = USBHUB_DispatchPnp;
 196
 197     return STATUS_SUCCESS;
 198 }
 199