diff options
Diffstat (limited to 'nfc/Simulator/Src/Device.cpp')
| -rw-r--r-- | nfc/Simulator/Src/Device.cpp | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/nfc/Simulator/Src/Device.cpp b/nfc/Simulator/Src/Device.cpp new file mode 100644 index 00000000..cfbc57c0 --- /dev/null +++ b/nfc/Simulator/Src/Device.cpp @@ -0,0 +1,245 @@ +/*++ + +Copyright (C) Microsoft Corporation, All Rights Reserved. + +Module Name: + + Device.cpp + +Abstract: + + This module contains the implementation of the UMDF + driver's device callback object. + +Environment: + + Windows User-Mode Driver Framework (WUDF) + +--*/ + +#include "Internal.h" +#include "Device.tmh" + +NTSTATUS +CDevice::OnDeviceAdd( + _In_ WDFDRIVER Driver, + _Inout_ PWDFDEVICE_INIT DeviceInit + ) +{ + FunctionEntry("..."); + + NTSTATUS Status = STATUS_SUCCESS; + WDFDEVICE Device; + WDF_OBJECT_ATTRIBUTES DeviceAttributes; + WDF_OBJECT_ATTRIBUTES FileAttributes; + WDF_FILEOBJECT_CONFIG FileConfig; + WDF_PNPPOWER_EVENT_CALLBACKS PowerCallbacks; + CDevice* pDevice = nullptr; + + UNREFERENCED_PARAMETER(Driver); + + WDF_PNPPOWER_EVENT_CALLBACKS_INIT(&PowerCallbacks); + + PowerCallbacks.EvtDeviceD0Entry = CDevice::OnD0Entry; + PowerCallbacks.EvtDeviceD0Exit = CDevice::OnD0Exit; + + WdfDeviceInitSetPnpPowerEventCallbacks(DeviceInit, &PowerCallbacks); + + WDF_FILEOBJECT_CONFIG_INIT( + &FileConfig, + CDevice::OnFileCreate, + CDevice::OnFileClose, + WDF_NO_EVENT_CALLBACK); + + WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&FileAttributes, CFileObject); + FileAttributes.EvtDestroyCallback = CFileObject::OnDestroy; + + WdfDeviceInitSetFileObjectConfig(DeviceInit, &FileConfig, &FileAttributes); + + WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&DeviceAttributes, CDevice); + + DeviceAttributes.EvtCleanupCallback = CDevice::OnCleanup; + DeviceAttributes.SynchronizationScope = WdfSynchronizationScopeNone; + DeviceAttributes.ExecutionLevel = WdfExecutionLevelPassive; + + Status = WdfDeviceCreate(&DeviceInit, &DeviceAttributes, &Device); + + if (!NT_SUCCESS(Status)) { + TraceInfo("WdfDeviceCreate failed with Status %!STATUS!", Status); + goto Exit; + } + + // Construct device object on the preallocated buffer using placement 'new' + pDevice = new (GetDeviceObject(Device)) CDevice(Device); + + if (pDevice == nullptr) { + Status = STATUS_INSUFFICIENT_RESOURCES; + goto Exit; + } + + Status = pDevice->Initialize(); + +Exit: + FunctionReturn(Status, "Status = %!STATUS!", Status); +} + +NTSTATUS CDevice::Initialize() +{ + MethodEntry("..."); + + NTSTATUS Status = STATUS_SUCCESS; + WDF_IO_QUEUE_CONFIG QueueConfig; + WDF_OBJECT_ATTRIBUTES QueueAttributes; + WDFQUEUE Queue = nullptr; + + WDF_IO_QUEUE_CONFIG_INIT_DEFAULT_QUEUE(&QueueConfig, WdfIoQueueDispatchParallel); + + QueueConfig.PowerManaged = WdfFalse; + QueueConfig.EvtIoDeviceControl = CQueue::OnIoDeviceControl; + + WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&QueueAttributes, CQueue); + + Status = WdfIoQueueCreate( + m_Device, + &QueueConfig, + &QueueAttributes, + &Queue); + + if (!NT_SUCCESS(Status)) { + TraceInfo("WdfIoQueueCreate failed with Status %!STATUS!", Status); + goto Exit; + } + + // Construct a queue object on the preallocated buffer using placement new operation + m_pQueue = new (GetQueueObject(Queue)) CQueue(Queue); + + if (m_pQueue == nullptr) { + Status = STATUS_INSUFFICIENT_RESOURCES; + goto Exit; + } + + Status = m_pQueue->Initialize(); + +Exit: + MethodReturn(Status, "Status = %!STATUS!", Status); +} + +VOID CDevice::OnCleanup(_In_ WDFOBJECT Object) +{ + FunctionEntry("..."); + + CDevice *pDevice = GetDeviceObject(Object); + + NT_ASSERT(pDevice != nullptr); + + if (pDevice->m_Device == Object) { + // Device object constructed using placement 'new' so explicitly invoke destructor + pDevice->Deinitialize(); + pDevice->~CDevice(); + } + + FunctionReturnVoid(); +} + +NTSTATUS CDevice::Deinitialize() +{ + MethodEntry("..."); + + NTSTATUS Status = STATUS_SUCCESS; + + if (m_pQueue != nullptr) { + // Queue object constructed using placement new so explicitly invoke destructor + m_pQueue->Deinitialize(); + m_pQueue->~CQueue(); + + m_pQueue = nullptr; + } + + MethodReturn(Status, "Status = %!STATUS!", Status); +} + +NTSTATUS +CDevice::OnD0Entry( + _In_ WDFDEVICE Device, + _In_ WDF_POWER_DEVICE_STATE PreviousState + ) +{ + FunctionEntry("..."); + + NTSTATUS Status = STATUS_SUCCESS; + CDevice *pDevice = GetDeviceObject(Device); + + NT_ASSERT(pDevice != nullptr); + Status = pDevice->OnD0Entry(PreviousState); + + FunctionReturn(Status, "Status = %!STATUS!", Status); +} + +NTSTATUS +CDevice::OnD0Entry( + _In_ WDF_POWER_DEVICE_STATE PreviousState + ) +{ + MethodEntry("PreviousState = %d", PreviousState); + NTSTATUS Status = STATUS_SUCCESS; + MethodReturn(Status, "Status = %!STATUS!", Status); +} + +NTSTATUS +CDevice::OnD0Exit( + _In_ WDFDEVICE Device, + _In_ WDF_POWER_DEVICE_STATE TargetState + ) +{ + FunctionEntry("..."); + + NTSTATUS Status = STATUS_SUCCESS; + CDevice *pDevice = GetDeviceObject(Device); + + NT_ASSERT(pDevice != nullptr); + Status = pDevice->OnD0Exit(TargetState); + + FunctionReturn(Status, "Status = %!STATUS!", Status); +} + +NTSTATUS +CDevice::OnD0Exit( + _In_ WDF_POWER_DEVICE_STATE TargetState + ) +{ + MethodEntry("TargetState = %d", TargetState); + NTSTATUS Status = STATUS_SUCCESS; + MethodReturn(Status, "Status = %!STATUS!", Status); +} + +VOID +CDevice::OnFileCreate( + _In_ WDFDEVICE Device, + _In_ WDFREQUEST Request, + _In_ WDFFILEOBJECT FileObject + ) +{ + FunctionEntry("..."); + + CDevice *pDevice = GetDeviceObject(Device); + + NT_ASSERT(pDevice != nullptr); + pDevice->GetQueue()->OnFileCreate(Device, Request, FileObject); + + FunctionReturnVoid(); +} + +VOID +CDevice::OnFileClose( + _In_ WDFFILEOBJECT FileObject + ) +{ + FunctionEntry("..."); + + CDevice *pDevice = GetDeviceObject(WdfFileObjectGetDevice(FileObject)); + + NT_ASSERT(pDevice != nullptr); + pDevice->GetQueue()->OnFileClose(FileObject); + + FunctionReturnVoid(); +} |