2011-12-25 18:17:07 +00:00
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/*
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* PROJECT: ReactOS Universal Serial Bus Human Interface Device Driver
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/usb/hidusb/hidusb.c
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* PURPOSE: HID USB Interface Driver
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* PROGRAMMERS:
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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 "hidusb.h"
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NTSTATUS
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NTAPI
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HidCreate(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PIO_STACK_LOCATION IoStack;
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//
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// get current irp stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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//
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// sanity check for hidclass driver
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//
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ASSERT(IoStack->MajorFunction == IRP_MJ_CREATE || IoStack->MajorFunction == IRP_MJ_CLOSE);
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//
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// complete request
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//
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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//
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// informal debug print
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//
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DPRINT1("HIDUSB Request: %x\n", IoStack->MajorFunction);
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//
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// done
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//
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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HidInternalDeviceControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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2011-12-26 18:20:32 +00:00
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PIO_STACK_LOCATION IoStack;
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PHID_USB_DEVICE_EXTENSION HidDeviceExtension;
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PHID_DEVICE_EXTENSION DeviceExtension;
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PHID_DEVICE_ATTRIBUTES Attributes;
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ULONG Length;
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NTSTATUS Status;
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//
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// get device extension
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//
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DeviceExtension = (PHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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HidDeviceExtension = (PHID_USB_DEVICE_EXTENSION)DeviceExtension->MiniDeviceExtension;
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//
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// get current stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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switch(IoStack->Parameters.DeviceIoControl.IoControlCode)
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{
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case IOCTL_HID_GET_DEVICE_ATTRIBUTES:
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{
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(HID_DEVICE_ATTRIBUTES))
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{
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//
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// invalid request
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//
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Irp->IoStatus.Status = STATUS_INVALID_BUFFER_SIZE;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_INVALID_BUFFER_SIZE;
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}
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//
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// store result
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//
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ASSERT(HidDeviceExtension->HidDescriptor);
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Irp->IoStatus.Information = sizeof(HID_DESCRIPTOR);
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Attributes = (PHID_DEVICE_ATTRIBUTES)Irp->UserBuffer;
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Attributes->Size = sizeof(HID_DEVICE_ATTRIBUTES);
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Attributes->VendorID = HidDeviceExtension->VendorID;
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Attributes->ProductID = HidDeviceExtension->ProductID;
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Attributes->VersionNumber = HidDeviceExtension->VersionNumber;
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//
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// complete request
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//
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
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{
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//
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// sanity check
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//
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ASSERT(HidDeviceExtension->HidDescriptor);
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//
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// store length
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//
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Length = min(HidDeviceExtension->HidDescriptor->bLength, IoStack->Parameters.DeviceIoControl.OutputBufferLength);
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//
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// copy descriptor
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//
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RtlCopyMemory(Irp->UserBuffer, HidDeviceExtension->HidDescriptor, Length);
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//
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// store result length
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//
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Irp->IoStatus.Information = HidDeviceExtension->HidDescriptor->bLength;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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/* complete request */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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case IOCTL_HID_GET_REPORT_DESCRIPTOR:
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case IOCTL_HID_READ_REPORT:
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case IOCTL_HID_WRITE_REPORT:
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case IOCTL_GET_PHYSICAL_DESCRIPTOR:
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case IOCTL_HID_SEND_IDLE_NOTIFICATION_REQUEST:
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case IOCTL_HID_GET_FEATURE:
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case IOCTL_HID_SET_FEATURE:
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case IOCTL_HID_SET_OUTPUT_REPORT:
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case IOCTL_HID_GET_INPUT_REPORT:
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case IOCTL_HID_GET_INDEXED_STRING:
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case IOCTL_HID_GET_MS_GENRE_DESCRIPTOR:
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{
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DPRINT1("UNIMPLEMENTED %x\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
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Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
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ASSERT(FALSE);
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}
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default:
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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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2011-12-25 18:17:07 +00:00
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}
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NTSTATUS
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NTAPI
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HidPower(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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UNIMPLEMENTED
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ASSERT(FALSE);
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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HidSystemControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PHID_DEVICE_EXTENSION DeviceExtension;
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//
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// get hid device extension
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//
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DeviceExtension = (PHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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//
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// copy stack location
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//
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IoCopyCurrentIrpStackLocationToNext(Irp);
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//
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// submit request
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//
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2011-12-25 20:21:34 +00:00
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return IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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2011-12-25 18:17:07 +00:00
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}
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2011-12-26 18:20:32 +00:00
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NTSTATUS
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Hid_PnpStart(
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IN PDEVICE_OBJECT DeviceObject)
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{
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UNIMPLEMENTED
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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Hid_PnpCompletion(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PVOID Context)
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{
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//
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// signal event
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//
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KeSetEvent((PRKEVENT)Context, 0, FALSE);
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//
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// done
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//
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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2011-12-25 18:17:07 +00:00
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NTSTATUS
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NTAPI
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HidPnp(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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2011-12-26 18:20:32 +00:00
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NTSTATUS Status;
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PIO_STACK_LOCATION IoStack;
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PHID_USB_DEVICE_EXTENSION HidDeviceExtension;
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PHID_DEVICE_EXTENSION DeviceExtension;
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KEVENT Event;
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//
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// get device extension
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//
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DeviceExtension = (PHID_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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HidDeviceExtension = (PHID_USB_DEVICE_EXTENSION)DeviceExtension->MiniDeviceExtension;
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//
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// get current stack location
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//
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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//
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// handle requests based on request type
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//
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switch(IoStack->MinorFunction)
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{
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case IRP_MN_REMOVE_DEVICE:
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{
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//
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// pass request onto lower driver
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//
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IoSkipCurrentIrpStackLocation(Irp);
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Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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//
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// free resources
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//
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if (HidDeviceExtension->HidDescriptor)
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{
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ExFreePool(HidDeviceExtension->HidDescriptor);
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HidDeviceExtension->HidDescriptor = NULL;
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}
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//
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// done
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//
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return Status;
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}
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case IRP_MN_QUERY_PNP_DEVICE_STATE:
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{
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//
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// device can not be disabled
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//
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Irp->IoStatus.Information |= PNP_DEVICE_NOT_DISABLEABLE;
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//
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// pass request to next request
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//
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IoSkipCurrentIrpStackLocation(Irp);
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Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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//
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// done
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//
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return Status;
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}
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case IRP_MN_STOP_DEVICE:
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{
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//
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// FIXME: unconfigure the device
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//
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//
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// prepare irp
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//
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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IoCopyCurrentIrpStackLocationToNext(Irp);
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IoSetCompletionRoutine(Irp, Hid_PnpCompletion, (PVOID)&Event, TRUE, TRUE, TRUE);
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//
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// send irp and wait for completion
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//
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Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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Status = Irp->IoStatus.Status;
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}
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//
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// free resources
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//
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if (HidDeviceExtension->HidDescriptor)
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{
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ExFreePool(HidDeviceExtension->HidDescriptor);
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HidDeviceExtension->HidDescriptor = NULL;
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}
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//
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// done
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//
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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case IRP_MN_QUERY_CAPABILITIES:
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{
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//
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// prepare irp
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//
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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IoCopyCurrentIrpStackLocationToNext(Irp);
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IoSetCompletionRoutine(Irp, Hid_PnpCompletion, (PVOID)&Event, TRUE, TRUE, TRUE);
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//
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// send irp and wait for completion
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//
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Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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Status = Irp->IoStatus.Status;
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}
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if (NT_SUCCESS(Status))
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{
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//
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// driver supports D1 & D2
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//
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IoStack->Parameters.DeviceCapabilities.Capabilities->DeviceD1 = TRUE;
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IoStack->Parameters.DeviceCapabilities.Capabilities->DeviceD2 = TRUE;
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}
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//
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// done
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//
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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case IRP_MN_START_DEVICE:
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{
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//
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// prepare irp
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//
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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IoCopyCurrentIrpStackLocationToNext(Irp);
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IoSetCompletionRoutine(Irp, Hid_PnpCompletion, (PVOID)&Event, TRUE, TRUE, TRUE);
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//
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// send irp and wait for completion
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//
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Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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Status = Irp->IoStatus.Status;
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}
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//
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// did the device successfully start
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//
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if (!NT_SUCCESS(Status))
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{
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//
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// failed
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//
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DPRINT1("HIDUSB: IRP_MN_START_DEVICE failed with %x\n", Status);
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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//
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// start device
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//
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Status = Hid_PnpStart(DeviceObject);
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//
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// complete request
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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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default:
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{
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//
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// forward and forget request
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//
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
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}
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}
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2011-12-25 18:17:07 +00:00
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}
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NTSTATUS
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NTAPI
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegPath)
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{
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HID_MINIDRIVER_REGISTRATION Registration;
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NTSTATUS Status;
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//
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// initialize driver object
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//
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DriverObject->MajorFunction[IRP_MJ_CREATE] = HidCreate;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = HidCreate;
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DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = HidInternalDeviceControl;
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DriverObject->MajorFunction[IRP_MJ_POWER] = HidPower;
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DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = HidSystemControl;
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DriverObject->MajorFunction[IRP_MJ_PNP] = HidPnp;
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//
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// prepare registration info
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//
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RtlZeroMemory(&Registration, sizeof(HID_MINIDRIVER_REGISTRATION));
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//
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// fill in registration info
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//
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Registration.Revision = HID_REVISION;
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Registration.DriverObject = DriverObject;
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Registration.RegistryPath = RegPath;
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Registration.DeviceExtensionSize = sizeof(HID_USB_DEVICE_EXTENSION);
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Registration.DevicesArePolled = FALSE;
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//
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// register driver
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//
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Status = HidRegisterMinidriver(&Registration);
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//
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// informal debug
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//
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DPRINT1("********* HIDUSB *********\n");
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DPRINT1("HIDUSB Registration Status %x\n", Status);
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return Status;
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}
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