Sweden-Number/dlls/winehid.sys/main.c

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/*
* WINE Hid minidriver
*
* Copyright 2016 Aric Stewart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/wdm.h"
#include "ddk/hidport.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(hid);
static NTSTATUS WINAPI internal_ioctl(DEVICE_OBJECT *device, IRP *irp)
{
NTSTATUS status = irp->IoStatus.u.Status;
IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
ULONG code = irpsp->Parameters.DeviceIoControl.IoControlCode;
switch (code)
{
case IOCTL_GET_PHYSICAL_DESCRIPTOR:
case IOCTL_HID_ACTIVATE_DEVICE:
case IOCTL_HID_DEACTIVATE_DEVICE:
case IOCTL_HID_GET_INDEXED_STRING:
case IOCTL_HID_GET_DEVICE_ATTRIBUTES:
case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
case IOCTL_HID_GET_REPORT_DESCRIPTOR:
case IOCTL_HID_GET_STRING:
case IOCTL_HID_GET_INPUT_REPORT:
case IOCTL_HID_READ_REPORT:
case IOCTL_HID_SET_OUTPUT_REPORT:
case IOCTL_HID_WRITE_REPORT:
case IOCTL_HID_GET_FEATURE:
case IOCTL_HID_SET_FEATURE:
/* All these are handled by the lower level driver */
IoSkipCurrentIrpStackLocation(irp);
return IoCallDriver(((HID_DEVICE_EXTENSION *)device->DeviceExtension)->NextDeviceObject, irp);
default:
FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
IoCompleteRequest(irp, IO_NO_INCREMENT);
return status;
}
}
static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
{
HID_DEVICE_EXTENSION *ext = device->DeviceExtension;
IoSkipCurrentIrpStackLocation(irp);
return IoCallDriver(ext->NextDeviceObject, irp);
}
static NTSTATUS WINAPI add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *device)
{
TRACE("(%p, %p)\n", driver, device);
return STATUS_SUCCESS;
}
NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
{
HID_MINIDRIVER_REGISTRATION registration;
TRACE("(%p, %s)\n", driver, debugstr_w(path->Buffer));
driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = internal_ioctl;
driver->MajorFunction[IRP_MJ_PNP] = driver_pnp;
driver->DriverExtension->AddDevice = add_device;
memset(&registration, 0, sizeof(registration));
registration.DriverObject = driver;
registration.RegistryPath = path;
registration.DeviceExtensionSize = sizeof(HID_DEVICE_EXTENSION);
registration.DevicesArePolled = FALSE;
return HidRegisterMinidriver(&registration);
}