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 #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     // Attached to lower device
  94     //
  95     //Status = IoAttachDeviceToDeviceStackSafe(Fdo, Pdo, &DeviceExtension->LowerDevice);
  96     HubDeviceExtension->LowerDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
  97     if (!NT_SUCCESS(Status))
  98     {
  99         DPRINT1("USBHUB: IoAttachDeviceToDeviceStackSafe() failed with status 0x%08lx\n", Status);
 100         IoDeleteDevice(DeviceObject);
 101         return Status;
 102     }
 103
 104     DeviceObject->Flags |= DO_BUFFERED_IO;
 105     DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
 106
 107     return STATUS_SUCCESS;
 108 }
 109
 110 static NTSTATUS NTAPI
 111 USBHUB_IrpStub(
 112     IN PDEVICE_OBJECT DeviceObject,
 113     IN PIRP Irp)
 114 {
 115     NTSTATUS Status;
 116
 117     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 118     {
 119         DPRINT1("Usbhub: FDO stub for major function 0x%lx\n",
 120             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
 121         return ForwardIrpAndForget(DeviceObject, Irp);
 122     }
 123     else
 124     {
 125         //
 126         // Cant forward as we are the PDO!
 127         //
 128         DPRINT1("USBHUB: ERROR- PDO stub for major function 0x%lx\n",
 129             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
 130 #ifndef NDEBUG
 131         DbgBreakPoint();
 132 #endif
 133     }
 134
 135     Status = Irp->IoStatus.Status;
 136     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 137     return Status;
 138 }
 139
 140
 141 NTSTATUS NTAPI
 142 USBHUB_DispatchDeviceControl(
 143     PDEVICE_OBJECT DeviceObject,
 144     PIRP Irp)
 145 {
 146     DPRINT1("Usbhub: DispatchDeviceControl\n");
 147     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 148         return USBHUB_FdoHandleDeviceControl(DeviceObject, Irp);
 149     else
 150         return USBHUB_IrpStub(DeviceObject, Irp);
 151 }
 152
 153 NTSTATUS NTAPI
 154 USBHUB_DispatchInternalDeviceControl(
 155     PDEVICE_OBJECT DeviceObject,
 156     PIRP Irp)
 157 {
 158     //DPRINT1("Usbhub: DispatchInternalDeviceControl\n");
 159     if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
 160         return USBHUB_IrpStub(DeviceObject, Irp);
 161     else
 162         return USBHUB_PdoHandleInternalDeviceControl(DeviceObject, Irp);
 163 }
 164
 165 NTSTATUS NTAPI
 166 USBHUB_DispatchPnp(
 167     PDEVICE_OBJECT DeviceObject,
 168     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 USBHUB_DispatchPower(
 179     PDEVICE_OBJECT DeviceObject,
 180     PIRP Irp)
 181 {
 182     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 183     return STATUS_NOT_SUPPORTED;
 184 }
 185
 186 NTSTATUS NTAPI
 187 DriverEntry(
 188     IN PDRIVER_OBJECT DriverObject,
 189     IN PUNICODE_STRING RegistryPath)
 190 {
 191     DriverObject->DriverExtension->AddDevice = USBHUB_AddDevice;
 192     DPRINT1("USBHUB: DriverEntry\n");
 193
 194     DriverObject->MajorFunction[IRP_MJ_CREATE] = USBHUB_Create;
 195     DriverObject->MajorFunction[IRP_MJ_CLOSE] = USBHUB_Close;
 196     DriverObject->MajorFunction[IRP_MJ_CLEANUP] = USBHUB_Cleanup;
 197     DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBHUB_DispatchDeviceControl;
 198     DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = USBHUB_DispatchInternalDeviceControl;
 199     DriverObject->MajorFunction[IRP_MJ_PNP] = USBHUB_DispatchPnp;
 200     DriverObject->MajorFunction[IRP_MJ_POWER] =USBHUB_DispatchPower;
 201
 202     return STATUS_SUCCESS;
 203 }
 204