128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
/*
|
|
* WINE Hid device services
|
|
*
|
|
* Copyright 2015 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
|
|
*/
|
|
|
|
#define NONAMELESSUNION
|
|
#include <unistd.h>
|
|
#include <stdarg.h>
|
|
#include "hid.h"
|
|
#include "wine/debug.h"
|
|
#include "wine/unicode.h"
|
|
#include "wine/list.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(hid);
|
|
|
|
static struct list minidriver_list = LIST_INIT(minidriver_list);
|
|
|
|
minidriver* find_minidriver(DRIVER_OBJECT *driver)
|
|
{
|
|
minidriver *md;
|
|
LIST_FOR_EACH_ENTRY(md, &minidriver_list, minidriver, entry)
|
|
{
|
|
if (md->minidriver.DriverObject == driver)
|
|
return md;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static VOID WINAPI UnloadDriver(DRIVER_OBJECT *driver)
|
|
{
|
|
minidriver *md;
|
|
|
|
TRACE("Driver Unload\n");
|
|
md = find_minidriver(driver);
|
|
if (md)
|
|
{
|
|
if (md->DriverUnload)
|
|
md->DriverUnload(md->minidriver.DriverObject);
|
|
list_remove(&md->entry);
|
|
HeapFree( GetProcessHeap(), 0, md );
|
|
}
|
|
}
|
|
|
|
NTSTATUS WINAPI HidRegisterMinidriver(HID_MINIDRIVER_REGISTRATION *registration)
|
|
{
|
|
minidriver *driver;
|
|
driver = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*driver));
|
|
|
|
if (!driver)
|
|
return STATUS_NO_MEMORY;
|
|
|
|
driver->DriverUnload = registration->DriverObject->DriverUnload;
|
|
registration->DriverObject->DriverUnload = UnloadDriver;
|
|
|
|
registration->DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = HID_Device_ioctl;
|
|
registration->DriverObject->MajorFunction[IRP_MJ_READ] = HID_Device_read;
|
|
registration->DriverObject->MajorFunction[IRP_MJ_WRITE] = HID_Device_write;
|
|
registration->DriverObject->MajorFunction[IRP_MJ_CREATE] = HID_Device_create;
|
|
registration->DriverObject->MajorFunction[IRP_MJ_CLOSE] = HID_Device_close;
|
|
|
|
driver->PNPDispatch = registration->DriverObject->MajorFunction[IRP_MJ_PNP];
|
|
registration->DriverObject->MajorFunction[IRP_MJ_PNP] = HID_PNP_Dispatch;
|
|
|
|
driver->AddDevice = registration->DriverObject->DriverExtension->AddDevice;
|
|
registration->DriverObject->DriverExtension->AddDevice = PNP_AddDevice;
|
|
|
|
driver->minidriver = *registration;
|
|
list_add_tail(&minidriver_list, &driver->entry);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS WINAPI internalComplete(DEVICE_OBJECT *deviceObject, IRP *irp,
|
|
void *context)
|
|
{
|
|
HANDLE event = context;
|
|
SetEvent(event);
|
|
return STATUS_MORE_PROCESSING_REQUIRED;
|
|
}
|
|
|
|
NTSTATUS call_minidriver(ULONG code, DEVICE_OBJECT *device, void *in_buff, ULONG in_size, void *out_buff, ULONG out_size)
|
|
{
|
|
IRP *irp;
|
|
IO_STATUS_BLOCK irp_status;
|
|
NTSTATUS status;
|
|
void *buffer = NULL;
|
|
|
|
HANDLE event = CreateEventA(NULL, FALSE, FALSE, NULL);
|
|
|
|
if (out_size)
|
|
{
|
|
buffer = HeapAlloc(GetProcessHeap(), 0, out_size);
|
|
memcpy(buffer, out_buff, out_size);
|
|
}
|
|
|
|
irp = IoBuildDeviceIoControlRequest(code, device, in_buff, in_size,
|
|
buffer, out_size, TRUE, NULL, &irp_status);
|
|
|
|
IoSetCompletionRoutine(irp, internalComplete, event, TRUE, TRUE, TRUE);
|
|
status = IoCallDriver(device, irp);
|
|
|
|
if (status == STATUS_PENDING)
|
|
WaitForSingleObject(event, INFINITE);
|
|
|
|
memcpy(out_buff, buffer, out_size);
|
|
status = irp->IoStatus.u.Status;
|
|
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT );
|
|
CloseHandle(event);
|
|
|
|
return status;
|
|
}
|