mirror of
https://github.com/reactos/reactos.git
synced 2024-09-11 13:23:51 +00:00
298 lines
8 KiB
C
298 lines
8 KiB
C
/*
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* PROJECT: ReactOS Universal Serial Bus Hub Driver
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/usb/usbhub/usbhub.c
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* PURPOSE: UsbHub Driver
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* PROGRAMMERS:
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* Hervé Poussineau (hpoussin@reactos.org)
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* Michael Martin (michael.martin@reactos.org)
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* Johannes Anderwald (johannes.anderwald@reactos.org)
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*/
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#include "usbhub.h"
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#define NDEBUG
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#include <debug.h>
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NTSTATUS NTAPI
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USBHUB_Create(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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DPRINT("USBHUB: IRP_MJ_CREATE\n");
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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NTSTATUS NTAPI
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USBHUB_Close(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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DPRINT("USBHUB: IRP_MJ_CLOSE\n");
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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NTSTATUS NTAPI
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USBHUB_Cleanup(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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DPRINT("USBHUB: IRP_MJ_CLEANUP\n");
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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NTSTATUS NTAPI
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USBHUB_AddDevice(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT PhysicalDeviceObject)
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{
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PDEVICE_OBJECT DeviceObject;
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PHUB_DEVICE_EXTENSION HubDeviceExtension;
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NTSTATUS Status;
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DPRINT("USBHUB: AddDevice (%p)\n", PhysicalDeviceObject);
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//
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// Create the Device Object
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//
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Status = IoCreateDevice(DriverObject,
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sizeof(HUB_DEVICE_EXTENSION),
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NULL,
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FILE_DEVICE_BUS_EXTENDER,
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FILE_AUTOGENERATED_DEVICE_NAME,
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FALSE,
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&DeviceObject);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("USBHUB: IoCreateDevice() failed with status 0x%08lx\n", Status);
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return Status;
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}
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//
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// Zero Hub Extension
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//
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HubDeviceExtension = (PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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RtlZeroMemory(HubDeviceExtension, sizeof(HUB_DEVICE_EXTENSION));
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INITIALIZE_PNP_STATE(HubDeviceExtension->Common);
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//
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// Set this to Fdo
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//
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HubDeviceExtension->Common.IsFDO = TRUE;
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DeviceObject->Flags |= DO_POWER_PAGABLE;
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// initialize mutex
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KeInitializeGuardedMutex(&HubDeviceExtension->HubMutexLock);
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// initialize remove lock
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IoInitializeRemoveLock(&HubDeviceExtension->Common.RemoveLock, 'buH', 0, 0);
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//
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// initialize reset complete event
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//
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KeInitializeEvent(&HubDeviceExtension->ResetComplete, NotificationEvent, FALSE);
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//
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// Attached to lower device
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//
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//Status = IoAttachDeviceToDeviceStackSafe(Fdo, Pdo, &DeviceExtension->LowerDevice);
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HubDeviceExtension->LowerDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("USBHUB: IoAttachDeviceToDeviceStackSafe() failed with status 0x%08lx\n", Status);
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IoDeleteDevice(DeviceObject);
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return Status;
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}
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DeviceObject->Flags |= DO_BUFFERED_IO;
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DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
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return STATUS_SUCCESS;
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}
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static NTSTATUS NTAPI
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USBHUB_IrpStub(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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NTSTATUS Status;
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if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
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{
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DPRINT1("Usbhub: FDO stub for major function 0x%lx\n",
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IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
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return ForwardIrpAndForget(DeviceObject, Irp);
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}
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else
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{
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//
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// Cant forward as we are the PDO!
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//
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DPRINT1("USBHUB: ERROR- PDO stub for major function 0x%lx\n",
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IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
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#ifndef NDEBUG
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DbgBreakPoint();
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#endif
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}
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Status = Irp->IoStatus.Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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NTSTATUS NTAPI
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USBHUB_DispatchDeviceControl(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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DPRINT("Usbhub: DispatchDeviceControl\n");
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if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
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return USBHUB_FdoHandleDeviceControl(DeviceObject, Irp);
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else
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return USBHUB_IrpStub(DeviceObject, Irp);
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}
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NTSTATUS NTAPI
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USBHUB_DispatchSystemControl(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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DPRINT("Usbhub: DispatchSystemControl\n");
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if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
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return USBHUB_IrpStub(DeviceObject, Irp);
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else
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return USBHUB_IrpStub(DeviceObject, Irp);
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}
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NTSTATUS NTAPI
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USBHUB_DispatchInternalDeviceControl(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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DPRINT("Usbhub: DispatchInternalDeviceControl\n");
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if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
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return USBHUB_IrpStub(DeviceObject, Irp);
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else
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return USBHUB_PdoHandleInternalDeviceControl(DeviceObject, Irp);
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}
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NTSTATUS NTAPI
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USBHUB_DispatchPnp(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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DPRINT("USBHUB: DispatchPnp\n");
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if (((PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Common.IsFDO)
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return USBHUB_FdoHandlePnp(DeviceObject, Irp);
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else
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return USBHUB_PdoHandlePnp(DeviceObject, Irp);
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}
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NTSTATUS NTAPI
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USBHUB_DispatchPower(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PIO_STACK_LOCATION IoStack;
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PHUB_DEVICE_EXTENSION DeviceExtension;
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NTSTATUS Status;
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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DeviceExtension = DeviceObject->DeviceExtension;
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Status = IoAcquireRemoveLock(&DeviceExtension->Common.RemoveLock, Irp);
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if (!NT_SUCCESS(Status))
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{
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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DPRINT1("Power Function %x\n", IoStack->MinorFunction);
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if (DeviceExtension->Common.IsFDO)
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{
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PoStartNextPowerIrp(Irp);
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IoSkipCurrentIrpStackLocation(Irp);
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Status = PoCallDriver(DeviceExtension->LowerDeviceObject, Irp);
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IoReleaseRemoveLock(&DeviceExtension->Common.RemoveLock, Irp);
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return Status;
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}
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switch (IoStack->MinorFunction)
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{
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case IRP_MN_SET_POWER:
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{
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DPRINT("IRP_MN_SET_POWER\n");
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break;
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}
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case IRP_MN_QUERY_POWER:
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{
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DPRINT("IRP_MN_QUERY_POWER\n");
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break;
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}
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case IRP_MN_WAIT_WAKE:
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{
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DPRINT("IRP_MN_WAIT_WAKE\n");
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break;
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}
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default:
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{
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DPRINT1("PDO IRP_MJ_POWER / unknown minor function 0x%lx\n", IoStack->MinorFunction);
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Irp->IoStatus.Status;
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}
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}
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PoStartNextPowerIrp(Irp);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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IoReleaseRemoveLock(&DeviceExtension->Common.RemoveLock, Irp);
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return STATUS_SUCCESS;
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}
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VOID
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NTAPI
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USBHUB_Unload(
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IN PDRIVER_OBJECT DriverObject)
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{
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UNIMPLEMENTED;
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}
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NTSTATUS NTAPI
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath)
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{
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DriverObject->DriverExtension->AddDevice = USBHUB_AddDevice;
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DriverObject->DriverUnload = USBHUB_Unload;
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DPRINT("USBHUB: DriverEntry\n");
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DriverObject->MajorFunction[IRP_MJ_CREATE] = USBHUB_Create;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = USBHUB_Close;
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DriverObject->MajorFunction[IRP_MJ_CLEANUP] = USBHUB_Cleanup;
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DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBHUB_DispatchDeviceControl;
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DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = USBHUB_DispatchSystemControl;
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DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = USBHUB_DispatchInternalDeviceControl;
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DriverObject->MajorFunction[IRP_MJ_PNP] = USBHUB_DispatchPnp;
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DriverObject->MajorFunction[IRP_MJ_POWER] =USBHUB_DispatchPower;
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return STATUS_SUCCESS;
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}
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