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https://github.com/reactos/reactos.git
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137 lines
4 KiB
C
137 lines
4 KiB
C
/*
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* PROJECT: ReactOS Serial mouse driver
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/input/sermouse/fdo.c
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* PURPOSE: Serial mouse driver entry point
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* PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "sermouse.h"
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#include <debug.h>
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static DRIVER_UNLOAD DriverUnload;
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static DRIVER_DISPATCH IrpStub;
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DRIVER_INITIALIZE DriverEntry;
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static VOID NTAPI
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DriverUnload(IN PDRIVER_OBJECT DriverObject)
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{
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// nothing to do here yet
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}
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static NTSTATUS NTAPI
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IrpStub(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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ERR_(SERMOUSE, "Irp stub for major function 0x%lx\n",
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IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_NOT_SUPPORTED;
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}
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static NTSTATUS
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ReadRegistryEntries(
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IN PUNICODE_STRING RegistryPath,
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IN PSERMOUSE_DRIVER_EXTENSION DriverExtension)
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{
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UNICODE_STRING ParametersRegistryKey;
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RTL_QUERY_REGISTRY_TABLE Parameters[2];
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NTSTATUS Status;
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ULONG DefaultNumberOfButtons = 2;
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ParametersRegistryKey.Length = 0;
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ParametersRegistryKey.MaximumLength = RegistryPath->Length + sizeof(L"\\Parameters") + sizeof(UNICODE_NULL);
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ParametersRegistryKey.Buffer = ExAllocatePoolWithTag(PagedPool, ParametersRegistryKey.MaximumLength, SERMOUSE_TAG);
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if (!ParametersRegistryKey.Buffer)
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{
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WARN_(SERMOUSE, "ExAllocatePoolWithTag() failed\n");
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return STATUS_NO_MEMORY;
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}
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RtlCopyUnicodeString(&ParametersRegistryKey, RegistryPath);
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RtlAppendUnicodeToString(&ParametersRegistryKey, L"\\Parameters");
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ParametersRegistryKey.Buffer[ParametersRegistryKey.Length / sizeof(WCHAR)] = UNICODE_NULL;
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RtlZeroMemory(Parameters, sizeof(Parameters));
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Parameters[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
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Parameters[0].Name = L"NumberOfButtons";
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Parameters[0].EntryContext = &DriverExtension->NumberOfButtons;
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Parameters[0].DefaultType = REG_DWORD;
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Parameters[0].DefaultData = &DefaultNumberOfButtons;
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Parameters[0].DefaultLength = sizeof(ULONG);
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Status = RtlQueryRegistryValues(
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RTL_REGISTRY_ABSOLUTE,
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ParametersRegistryKey.Buffer,
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Parameters,
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NULL,
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NULL);
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if (NT_SUCCESS(Status))
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{
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/* Check values */
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}
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else if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
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{
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/* Registry path doesn't exist. Set defaults */
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DriverExtension->NumberOfButtons = (USHORT)DefaultNumberOfButtons;
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Status = STATUS_SUCCESS;
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}
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ExFreePoolWithTag(ParametersRegistryKey.Buffer, SERMOUSE_TAG);
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return Status;
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}
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/*
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* Standard DriverEntry method.
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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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PSERMOUSE_DRIVER_EXTENSION DriverExtension;
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ULONG i;
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NTSTATUS Status;
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Status = IoAllocateDriverObjectExtension(
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DriverObject,
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DriverObject,
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sizeof(SERMOUSE_DRIVER_EXTENSION),
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(PVOID*)&DriverExtension);
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if (!NT_SUCCESS(Status))
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{
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WARN_(SERMOUSE, "IoAllocateDriverObjectExtension() failed with status 0x%08lx\n", Status);
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return Status;
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}
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RtlZeroMemory(DriverExtension, sizeof(SERMOUSE_DRIVER_EXTENSION));
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Status = ReadRegistryEntries(RegistryPath, DriverExtension);
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if (!NT_SUCCESS(Status))
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{
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WARN_(SERMOUSE, "ReadRegistryEntries() failed with status 0x%08lx\n", Status);
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return Status;
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}
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DriverObject->DriverUnload = DriverUnload;
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DriverObject->DriverExtension->AddDevice = SermouseAddDevice;
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for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
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DriverObject->MajorFunction[i] = IrpStub;
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DriverObject->MajorFunction[IRP_MJ_CREATE] = SermouseCreate;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = SermouseClose;
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DriverObject->MajorFunction[IRP_MJ_CLEANUP] = SermouseCleanup;
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//DriverObject->MajorFunction[IRP_MJ_READ] = SermouseRead;
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//DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = SermouseDeviceControl;
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DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = SermouseInternalDeviceControl;
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//DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] = SermouseQueryInformation;
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DriverObject->MajorFunction[IRP_MJ_PNP] = SermousePnp;
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//DriverObject->MajorFunction[IRP_MJ_POWER] = SermousePower;
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return STATUS_SUCCESS;
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}
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