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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
queue.h
Abstract:
This file contains the queue definitions for the Umdf Gnss Driver.
Environment:
Windows User-Mode Driver Framework
--*/
#pragma once
class CFixHandler;
//
//This class sets up IO queue, performs the IOCTL operations, and implements the type definitions for the driver's device callback.
//
class CQueue
{
public:
static NTSTATUS AddQueueToDevice(_In_ WDFDEVICE device, _Outptr_ CQueue** queue);
private:
enum
{
AGNSS_TIME_IDX = GNSS_AGNSS_TimeInjection,
AGNSS_POS_IDX = GNSS_AGNSS_PositionInjection,
AGNSS_BLOB_IDX = GNSS_AGNSS_BlobInjection,
AGNSS_MAX_IDX
};
typedef struct {
DWORD OperationMode;
BOOL SetLocationNiRequestAllowed;
BOOL SetLocationServiceEnabled;
} GnssInternalState;
WDFQUEUE _Queue;
CRITICAL_SECTION _Lock;
CFixHandler _FixHandler;
ULONG _ForcedDriverVersion = GNSS_DRIVER_DDK_VERSION;
GnssInternalState _InternalState = {};
BOOL _AgnssNeeded[AGNSS_MAX_IDX];
CQueue(WDFQUEUE Queue);
~CQueue();
static EVT_WDF_OBJECT_CONTEXT_CLEANUP OnCleanup;
static EVT_WDF_IO_QUEUE_IO_DEVICE_CONTROL OnIoDeviceControl;
template <class DataT>
BOOL GetDataFromCommand(_In_ PGNSS_DRIVERCOMMAND_PARAM Command,
_Out_ DataT* Data);
NTSTATUS Initialize();
void OnIoDeviceControl(_In_ WDFREQUEST Request,
_In_ ULONG IoControlCode,
_In_ size_t InputBufferLength,
_In_ size_t OutputBufferLength);
NTSTATUS GetDeviceCapability(_In_ WDFREQUEST Request);
NTSTATUS GetChipsetInfo(_In_ WDFREQUEST Request);
NTSTATUS HandleDriverCommand(_In_ WDFREQUEST Request);
NTSTATUS ResetEngine(_In_ PGNSS_DRIVERCOMMAND_PARAM CommandParam);
NTSTATUS ClearAgnssData(_In_ PGNSS_DRIVERCOMMAND_PARAM CommandParam);
NTSTATUS SetLocationServiceStatus(_In_ PGNSS_DRIVERCOMMAND_PARAM CommandParam);
NTSTATUS SetOperationMode(_In_ PGNSS_DRIVERCOMMAND_PARAM CommandParam);
};
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(CQueue, GetQueueObject);
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