diff options
| author | Wei Mao <[email protected]> | 2023-01-11 13:07:12 -0800 |
|---|---|---|
| committer | Wei Mao <[email protected]> | 2023-01-13 00:25:06 -0800 |
| commit | 5bc6b56aef39e19add03297afe0c36168f370dc4 (patch) | |
| tree | 5b460fd39e25df4df45afd5b39a0105d16ac3b35 /general/umdfSkeleton/device.cpp | |
| parent | adb6644fc7de6b42215ff2ceaded3f65e8e40504 (diff) | |
[UMDF v1] Remove general/umdfSkeleton
Diffstat (limited to 'general/umdfSkeleton/device.cpp')
| -rw-r--r-- | general/umdfSkeleton/device.cpp | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/general/umdfSkeleton/device.cpp b/general/umdfSkeleton/device.cpp deleted file mode 100644 index 677f39e6..00000000 --- a/general/umdfSkeleton/device.cpp +++ /dev/null @@ -1,238 +0,0 @@ -/*++ - -Copyright (C) Microsoft Corporation, All Rights Reserved. - -Module Name: - - Device.cpp - -Abstract: - - This module contains the implementation of the UMDF Skeleton sample driver's - device callback object. - - The skeleton sample device does very little. It does not implement either - of the PNP interfaces so once the device is setup, it won't ever get any - callbacks until the device is removed. - -Environment: - - Windows User-Mode Driver Framework (WUDF) - ---*/ - -#include "internal.h" -#include "device.tmh" - -HRESULT -CMyDevice::CreateInstance( - _In_ IWDFDriver *FxDriver, - _In_ IWDFDeviceInitialize * FxDeviceInit, - _Out_ PCMyDevice *Device - ) -/*++ - - Routine Description: - - This method creates and initializs an instance of the skeleton driver's - device callback object. - - Arguments: - - FxDeviceInit - the settings for the device. - - Device - a location to store the referenced pointer to the device object. - - Return Value: - - Status - ---*/ -{ - PCMyDevice device; - HRESULT hr; - - // - // Allocate a new instance of the device class. - // - - device = new CMyDevice(); - - if (NULL == device) - { - return E_OUTOFMEMORY; - } - - // - // Initialize the instance. - // - - hr = device->Initialize(FxDriver, FxDeviceInit); - - if (SUCCEEDED(hr)) - { - *Device = device; - } - else - { - device->Release(); - } - - return hr; -} - -HRESULT -CMyDevice::Initialize( - _In_ IWDFDriver * FxDriver, - _In_ IWDFDeviceInitialize * FxDeviceInit - ) -/*++ - - Routine Description: - - This method initializes the device callback object and creates the - partner device object. - - The method should perform any device-specific configuration that: - * could fail (these can't be done in the constructor) - * must be done before the partner object is created -or- - * can be done after the partner object is created and which aren't - influenced by any device-level parameters the parent (the driver - in this case) might set. - - Arguments: - - FxDeviceInit - the settings for this device. - - Return Value: - - status. - ---*/ -{ - IWDFDevice *fxDevice; - HRESULT hr; - - // - // Configure things like the locking model before we go to create our - // partner device. - // - - // - // Set no locking unless you need an automatic callbacks synchronization - // - - FxDeviceInit->SetLockingConstraint(None); - - // - // TODO: If you're writing a filter driver then indicate that here. - // - // FxDeviceInit->SetFilter(); - // - - // - // TODO: Any per-device initialization which must be done before - // creating the partner object. - // - - // - // Create a new FX device object and assign the new callback object to - // handle any device level events that occur. - // - - // - // QueryIUnknown references the IUnknown interface that it returns - // (which is the same as referencing the device). We pass that to - // CreateDevice, which takes its own reference if everything works. - // - - { - IUnknown *unknown = this->QueryIUnknown(); - - hr = FxDriver->CreateDevice(FxDeviceInit, unknown, &fxDevice); - - unknown->Release(); - } - - // - // If that succeeded then set our FxDevice member variable. - // - - if (SUCCEEDED(hr)) - { - m_FxDevice = fxDevice; - - // - // Drop the reference we got from CreateDevice. Since this object - // is partnered with the framework object they have the same - // lifespan - there is no need for an additional reference. - // - - fxDevice->Release(); - } - - return hr; -} - -HRESULT -CMyDevice::Configure( - VOID - ) -/*++ - - Routine Description: - - This method is called after the device callback object has been initialized - and returned to the driver. It would setup the device's queues and their - corresponding callback objects. - - Arguments: - - FxDevice - the framework device object for which we're handling events. - - Return Value: - - status - ---*/ -{ - // - // TODO: Setup your device queues and I/O forwarding. - // - - return S_OK; -} - -HRESULT -CMyDevice::QueryInterface( - _In_ REFIID InterfaceId, - _Out_ PVOID *Object - ) -/*++ - - Routine Description: - - This method is called to get a pointer to one of the object's callback - interfaces. - - Since the skeleton driver doesn't support any of the device events, this - method simply calls the base class's BaseQueryInterface. - - If the skeleton is extended to include device event interfaces then this - method must be changed to check the IID and return pointers to them as - appropriate. - - Arguments: - - InterfaceId - the interface being requested - - Object - a location to store the interface pointer if successful - - Return Value: - - S_OK or E_NOINTERFACE - ---*/ -{ - return CUnknown::QueryInterface(InterfaceId, Object); -} |
