NTSTATUS AndroidUsbDeviceObject::OnEvtDeviceReleaseHardware(
WDFCMRESLIST resources_translated) {
ASSERT_IRQL_PASSIVE();
// It's possible that Preparehardware failed half way thru. So make
// sure the target device exists.
if (!IsTaretDeviceCreated())
return STATUS_SUCCESS;
// Cancel all the currently queued I/O. This is better than sending an
// explicit USB abort request down because release hardware gets
// called even when the device surprise-removed.
WdfIoTargetStop(WdfUsbTargetDeviceGetIoTarget(wdf_target_device()),
WdfIoTargetCancelSentIo);
// Unselect all selected configurations
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS config_params;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_DECONFIG(&config_params);
NTSTATUS status = WdfUsbTargetDeviceSelectConfig(wdf_target_device(),
WDF_NO_OBJECT_ATTRIBUTES,
&config_params);
ASSERT(NT_SUCCESS(status) || (STATUS_DEVICE_NOT_CONNECTED == status));
return status;
}
static NTSTATUS UsbChief_SelectInterfaces(IN WDFDEVICE Device)
{
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
NTSTATUS Status;
PDEVICE_CONTEXT pDeviceContext;
PAGED_CODE();
pDeviceContext = GetDeviceContext(Device);
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE( &configParams);
Status = WdfUsbTargetDeviceSelectConfig(pDeviceContext->WdfUsbTargetDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&configParams);
if (NT_SUCCESS(Status) &&
WdfUsbTargetDeviceGetNumInterfaces(pDeviceContext->WdfUsbTargetDevice) > 0) {
pDeviceContext->UsbInterface =
configParams.Types.SingleInterface.ConfiguredUsbInterface;
pDeviceContext->NumberConfiguredPipes =
configParams.Types.SingleInterface.NumberConfiguredPipes;
}
return Status;
}
NTSTATUS
EvtDevicePrepareHardware(
IN WDFDEVICE Device,
IN WDFCMRESLIST ResourceList,
IN WDFCMRESLIST ResourceListTranslated
)
{
NTSTATUS status;
PDEVICE_CONTEXT pDeviceContext;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
UNREFERENCED_PARAMETER(ResourceList);
UNREFERENCED_PARAMETER(ResourceListTranslated);
pDeviceContext = GetDeviceContext(Device);
//
// Create the USB device if it is not already created.
//
if (pDeviceContext->UsbDevice == NULL) {
WDF_USB_DEVICE_CREATE_CONFIG config;
WDF_USB_DEVICE_CREATE_CONFIG_INIT(&config,
USBD_CLIENT_CONTRACT_VERSION_602);
status = WdfUsbTargetDeviceCreateWithParameters(Device,
&config,
WDF_NO_OBJECT_ATTRIBUTES,
&pDeviceContext->UsbDevice);
if (!NT_SUCCESS(status)) {
KdPrint(("WdfUsbTargetDeviceCreateWithParameters failed 0x%x\n", status));
return status;
}
}
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&configParams);
status = WdfUsbTargetDeviceSelectConfig(pDeviceContext->UsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&configParams);
if(!NT_SUCCESS(status)) {
KdPrint(("WdfUsbTargetDeviceSelectConfig failed 0x%x\n", status));
return status;
}
pDeviceContext->UsbInterface =
configParams.Types.SingleInterface.ConfiguredUsbInterface;
return status;
}
// 此函数类似于WDM中的PNP_MN_STOP_DEVICE函数，在设备移除时被调用。
// 当个函数被调用时候，设备仍处于工作状态。
NTSTATUS DrvClass::PnpReleaseHardware(IN WDFCMRESLIST ResourceListTranslated)
{
KDBG(DPFLTR_INFO_LEVEL, "[PnpReleaseHardware]");
// 如果PnpPrepareHardware调用失败,UsbDevice为空；
// 这时候直接返回即可。
if (m_hUsbDevice == NULL)
return STATUS_SUCCESS;
// 取消USB设备的所有IO操作。它将连带取消所有Pipe的IO操作。
WdfIoTargetStop(WdfUsbTargetDeviceGetIoTarget(m_hUsbDevice), WdfIoTargetCancelSentIo);
// Deconfiguration或者“反配置”
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_DECONFIG(&configParams);
return WdfUsbTargetDeviceSelectConfig(m_hUsbDevice, WDF_NO_OBJECT_ATTRIBUTES, &configParams);
}
NTSTATUS ConfigureUsbInterface(WDFDEVICE Device, PDEVICE_CONTEXT DeviceContext)
{
NTSTATUS status = STATUS_SUCCESS;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS usbConfig;
// Create USB Target Device Object for Device Context
status = WdfUsbTargetDeviceCreate(Device,
WDF_NO_OBJECT_ATTRIBUTES,
&DeviceContext->UsbDevice);
if(!NT_SUCCESS(status))
{
KdPrint((__DRIVER_NAME
"WdfUsbTargetDeviceCreate failed with status 0x%08x\n", status));
return status;
}
/*Initialize the parameters struct so that the device can initialize
and use a single specified interface.
this only works if the device has just 1 interface.*/
/*Chon duy nhat 1 interface cua USB Device */
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&usbConfig);
/*Chon duy nhat 1 interface cua USB Device */
status = WdfUsbTargetDeviceSelectConfig(DeviceContext->UsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&usbConfig);
if(!NT_SUCCESS(status))
{
KdPrint((__DRIVER_NAME
"WdfUsbTargetDeviceSelectConfig failed with status 0x%08x\n", status));
return status;
}
/*Put the USB interface in our device context so that we can use it in
future calls to our driver.*/
DeviceContext->UsbInterface =
usbConfig.Types.SingleInterface.ConfiguredUsbInterface;
return status;
}
/*++
Routine Description:
This helper routine selects the configuration, interface and
creates a context for every pipe (end point) in that interface.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
NTSTATUS SelectInterfaces(IN WDFDEVICE Device)
{
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
NTSTATUS status;
PDEVICE_CONTEXT pDeviceContext;
UCHAR numInterfaces;
PAGED_CODE();
pDeviceContext = GetDeviceContext(Device);
numInterfaces = WdfUsbTargetDeviceGetNumInterfaces(pDeviceContext->WdfUsbTargetDevice);
if (numInterfaces == 1)
{
// The device has only 1 interface.
PSDrv_DbgPrint(3, ("Device has a single interface!\n"));
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&configParams);
status = WdfUsbTargetDeviceSelectConfig(pDeviceContext->WdfUsbTargetDevice, WDF_NO_OBJECT_ATTRIBUTES, &configParams);
if (NT_SUCCESS(status) && numInterfaces > 0)
{
pDeviceContext->UsbInterface = configParams.Types.SingleInterface.ConfiguredUsbInterface;
pDeviceContext->NumberConfiguredPipes = configParams.Types.SingleInterface.NumberConfiguredPipes;
}
}
else
{
// The device has more then one interface...
PSDrv_DbgPrint(3, ("Device has multiple interfaces (%d) - this is not supported yet!\n", numInterfaces));
status = STATUS_NOT_SUPPORTED;
}
pDeviceContext->nCurrIf = 0;
pDeviceContext->nCurrAltIf = 0;
return status;
}
NTSTATUS
HidFx2EvtDevicePrepareHardware(
IN WDFDEVICE Device,
IN WDFCMRESLIST ResourceList,
IN WDFCMRESLIST ResourceListTranslated
)
/*++
Routine Description:
In this callback, the driver does whatever is necessary to make the
hardware ready to use. In the case of a USB device, this involves
reading and selecting descriptors.
Arguments:
Device - handle to a device
ResourceList - A handle to a framework resource-list object that
identifies the raw hardware resourcest
ResourceListTranslated - A handle to a framework resource-list object
that identifies the translated hardware resources
Return Value:
NT status value
--*/
{
NTSTATUS status = STATUS_SUCCESS;
PDEVICE_EXTENSION devContext = NULL;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
WDF_OBJECT_ATTRIBUTES attributes;
PUSB_DEVICE_DESCRIPTOR usbDeviceDescriptor = NULL;
UNREFERENCED_PARAMETER(ResourceList);
UNREFERENCED_PARAMETER(ResourceListTranslated);
PAGED_CODE ();
TraceEvents(TRACE_LEVEL_VERBOSE, DBG_INIT,
"HidFx2EvtDevicePrepareHardware Enter\n");
devContext = GetDeviceContext(Device);
//
// Create a WDFUSBDEVICE object. WdfUsbTargetDeviceCreate obtains the
// USB device descriptor and the first USB configuration descriptor from
// the device and stores them. It also creates a framework USB interface
// object for each interface in the device's first configuration.
//
// The parent of each USB device object is the driver's framework driver
// object. The driver cannot change this parent, and the ParentObject
// member or the WDF_OBJECT_ATTRIBUTES structure must be NULL.
//
// We only create device the first time PrepareHardware is called. If
// the device is restarted by pnp manager for resource rebalance, we
// will use the same device handle but then select the interfaces again
// because the USB stack could reconfigure the device on restart.
//
if (devContext->UsbDevice == NULL) {
status = WdfUsbTargetDeviceCreate(Device,
WDF_NO_OBJECT_ATTRIBUTES,
&devContext->UsbDevice);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceCreate failed 0x%x\n", status);
return status;
}
}
//
// Select a device configuration by using a
// WDF_USB_DEVICE_SELECT_CONFIG_PARAMS structure to specify USB
// descriptors, a URB, or handles to framework USB interface objects.
//
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE( &configParams);
status = WdfUsbTargetDeviceSelectConfig(devContext->UsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&configParams);
if(!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceSelectConfig failed %!STATUS!\n",
status);
return status;
}
devContext->UsbInterface =
configParams.Types.SingleInterface.ConfiguredUsbInterface;
//
// Get the device descriptor and store it in device context
//
WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
attributes.ParentObject = Device;
status = WdfMemoryCreate(
&attributes,
NonPagedPool,
0,
sizeof(USB_DEVICE_DESCRIPTOR),
&devContext->DeviceDescriptor,
&usbDeviceDescriptor
);
if(!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfMemoryCreate for Device Descriptor failed %!STATUS!\n",
status);
return status;
}
WdfUsbTargetDeviceGetDeviceDescriptor(
devContext->UsbDevice,
usbDeviceDescriptor
);
//
// Get the Interrupt pipe. There are other endpoints but we are only
// interested in interrupt endpoint since our HID data comes from that
// endpoint. Another way to get the interrupt endpoint is by enumerating
// through all the pipes in a loop and looking for pipe of Interrupt type.
//
devContext->InterruptPipe = WdfUsbInterfaceGetConfiguredPipe(
devContext->UsbInterface,
INTERRUPT_ENDPOINT_INDEX,
NULL);// pipeInfo
if (NULL == devContext->InterruptPipe) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"Failed to get interrupt pipe info\n");
status = STATUS_INVALID_DEVICE_STATE;
return status;
}
//
// Tell the framework that it's okay to read less than
// MaximumPacketSize
//
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(devContext->InterruptPipe);
//
//configure continuous reader
//
status = HidFx2ConfigContReaderForInterruptEndPoint(devContext);
TraceEvents(TRACE_LEVEL_VERBOSE, DBG_INIT,
"HidFx2EvtDevicePrepareHardware Exit, Status:0x%x\n", status);
return status;
}
///////////////////////////////////////////////////////////////////////////////
//
// BasicUsbEvtDevicePrepareHardware
//
// This routine is called by the framework when a device of
// the type we support is coming online. Our job will be to
// create our WDFUSBDEVICE and configure it.
//
// INPUTS:
//
// Device - One of our WDFDEVICE objects
//
// ResourceList - We're a USB device, so not used
//
// ResourceListTranslated - We're a USB device, so not
// used
//
// OUTPUTS:
//
// None.
//
// RETURNS:
//
// STATUS_SUCCESS, otherwise an error indicating why the driver could not
// load.
//
// IRQL:
//
// This routine is called at IRQL == PASSIVE_LEVEL.
//
// NOTES:
//
//
///////////////////////////////////////////////////////////////////////////////
NTSTATUS
BasicUsbEvtDevicePrepareHardware(
IN WDFDEVICE Device,
IN WDFCMRESLIST ResourceList,
IN WDFCMRESLIST ResourceListTranslated
) {
NTSTATUS status;
PBASICUSB_DEVICE_CONTEXT devContext;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS selectConfigParams;
WDFUSBINTERFACE configuredInterface;
WDF_USB_PIPE_INFORMATION pipeInfo;
UCHAR numPipes;
UCHAR pipeIndex;
WDFUSBPIPE configuredPipe;
WDF_USB_CONTINUOUS_READER_CONFIG contReaderConfig;
UNREFERENCED_PARAMETER(ResourceList);
UNREFERENCED_PARAMETER(ResourceListTranslated);
#if DBG
DbgPrint("BasicUsbEvtDevicePrepareHardware\n");
#endif
devContext = BasicUsbGetContextFromDevice(Device);
//
// First thing to do is create our WDFUSBDEVICE. This is the
// special USB I/O target that we'll be using to configure our
// device and to send control requests.
//
// Under very rare cirumstances (i.e. resource rebalance of the
// host controller) it's possible to come through here multiple
// times. We could handle this by having an
// EvtDeviceReleaseHardware and cleaning up the USB device
// target, but we'll just leave it around and avoid creating it
// multiple times with this check. No race condition as our
// Prepare and Release can't run in parallel for the same device
//
if (devContext->BasicUsbUsbDevice == NULL) {
status = WdfUsbTargetDeviceCreate(Device,
WDF_NO_OBJECT_ATTRIBUTES,
&devContext->BasicUsbUsbDevice);
if (!NT_SUCCESS(status)) {
#if DBG
DbgPrint("WdfUsbTargetDeviceCreate failed 0x%0x\n", status);
#endif
return status;
}
}
//
// Now that our WDFUSBDEVICE is created, it's time to select
// our configuration and enable our interface.
//
//
// The OSRFX2 device only has a single interface, so we'll
// initialize our select configuration parameters structure
// using the specially provided macro
//
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(
&selectConfigParams);
//
// And actually select our configuration.
//
status = WdfUsbTargetDeviceSelectConfig(devContext->BasicUsbUsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&selectConfigParams);
if (!NT_SUCCESS(status)) {
#if DBG
DbgPrint("WdfUsbTargetDeviceSelectConfig failed 0x%0x\n", status);
#endif
return status;
}
//
// Our single interface has been configured. Let's grab the
// WDFUSBINTERFACE object so that we can get our pipes.
//
configuredInterface
= selectConfigParams.Types.SingleInterface.ConfiguredUsbInterface;
//
// How many pipes were configure?
//
numPipes = selectConfigParams.Types.SingleInterface.NumberConfiguredPipes;
//
// For all the pipes that were configured....
//
for(pipeIndex = 0; pipeIndex < numPipes; pipeIndex++) {
//
// We'll need to find out the type the pipe, which we'll do
// by supplying a pipe information structure when calling
// WdfUsbInterfaceGetConfiguredPipe
//
WDF_USB_PIPE_INFORMATION_INIT(&pipeInfo);
//
// Get the configured pipe.
//
configuredPipe = WdfUsbInterfaceGetConfiguredPipe(configuredInterface,
pipeIndex,
&pipeInfo);
//
// For this device, we're looking for three pipes:
//
// 1) A Bulk IN pipe
// 2) A Bulk OUT pipe
// 3) An Interrupt IN pipe
//
//
// First, let's see what type of pipe it is...
//
switch (pipeInfo.PipeType) {
case WdfUsbPipeTypeBulk: {
//
// Bulk pipe. Determine if it's an IN pipe or not.
//
if (WdfUsbTargetPipeIsInEndpoint(configuredPipe)) {
//
// Bulk IN pipe. Should only ever get one of these...
//
ASSERT(devContext->BulkInPipe == NULL);
devContext->BulkInPipe = configuredPipe;
} else {
//
// HAS to be an OUT...
//
ASSERT(WdfUsbTargetPipeIsOutEndpoint(configuredPipe));
//
// Bulk OUT pipe. Should only ever get one of these...
//
ASSERT(devContext->BulkOutPipe == NULL);
devContext->BulkOutPipe = configuredPipe;
}
break;
}
case WdfUsbPipeTypeInterrupt: {
//
// We're only expecting an IN interrupt pipe
//
ASSERT(WdfUsbTargetPipeIsInEndpoint(configuredPipe));
//
// And we're only expected one of them
//
ASSERT(devContext->InterruptInPipe == NULL);
devContext->InterruptInPipe = configuredPipe;
break;
}
default: {
//
// Don't know what it is, don't care what it is...
//
#if DBG
DbgPrint("Unexpected pipe type? 0x%x\n", pipeInfo.PipeType);
#endif
break;
}
}
}
//
// We hopefully have found everything we need...
//
if (devContext->BulkInPipe == NULL ||
devContext->BulkOutPipe == NULL ||
devContext->InterruptInPipe == NULL) {
#if DBG
DbgPrint("Didn't find expected pipes. BIN=0x%p, BOUT=0x%p, IIN=0x%p\n",
devContext->BulkInPipe,
devContext->BulkOutPipe,
devContext->InterruptInPipe);
#endif
return STATUS_DEVICE_CONFIGURATION_ERROR;
}
//
// By default, KMDF will not allow any non-MaxPacketSize
// aligned I/O to be done against IN pipes. This is to avoid
// hitting "babble" conditions, which occur when the device
// sends more data than what you've asked it for.
//
// Our device doesn't babble, so we don't need this check on
// our IN pipes.
//
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(devContext->BulkInPipe);
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(devContext->InterruptInPipe);
//
// For fun, we're going to hang a continuous reader out on the
// interrupt endpoint. By doing so, we'll get called at
// BasicUsbInterruptPipeReadComplete every time someone toggles
// the switches on the switch pack.
//
//
// Initialize the continuous reader config structure, specifying
// our callback, our context, and the size of the transfers.
//
WDF_USB_CONTINUOUS_READER_CONFIG_INIT(&contReaderConfig,
BasicUsbInterruptPipeReadComplete,
devContext,
sizeof(UCHAR));
//
// And create the continuous reader.
//
// Note that the continuous reader is not started by default, so
// we'll need to manually start it when we are called at
// EvtD0Entry.
//
status = WdfUsbTargetPipeConfigContinuousReader(devContext->InterruptInPipe,
&contReaderConfig);
if (!NT_SUCCESS(status)) {
#if DBG
DbgPrint("WdfUsbTargetPipeConfigContinuousReader failed 0x%0x\n",
status);
#endif
return status;
}
return STATUS_SUCCESS;
}
NTSTATUS
OsrFxEvtDevicePrepareHardware(
IN WDFDEVICE Device,
IN WDFCMRESLIST ResourceList,
IN WDFCMRESLIST ResourceListTranslated
)
/*++
Routine Description:
In this callback, the driver does whatever is necessary to make the
hardware ready to use. In the case of a USB device, this involves
reading descriptors and selecting interfaces.
Arguments:
Device - handle to a device
Return Value:
NT status value
--*/
{
NTSTATUS status, tempStatus;
PDEVICE_CONTEXT pDeviceContext;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
UNREFERENCED_PARAMETER(ResourceList);
UNREFERENCED_PARAMETER(ResourceListTranslated);
PAGED_CODE();
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP, "--> EvtDevicePrepareHardware\n");
pDeviceContext = GetDeviceContext(Device);
//
// Create a USB device handle so that we can communicate with the
// underlying USB stack. The WDFUSBDEVICE handle is used to query,
// configure, and manage all aspects of the USB device.
// These aspects include device properties, bus properties,
// and I/O creation and synchronization. We only create device the first
// the PrepareHardware is called. If the device is restarted by pnp manager
// for resource rebalance, we will use the same device handle but then select
// the interfaces again because the USB stack could reconfigure the device on
// restart.
//
if (pDeviceContext->UsbDevice == NULL) {
status = WdfUsbTargetDeviceCreate(Device,
WDF_NO_OBJECT_ATTRIBUTES,
&pDeviceContext->UsbDevice);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceCreate failed with Status code %!STATUS!\n", status);
return status;
}
}
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE( &configParams);
status = WdfUsbTargetDeviceSelectConfig(pDeviceContext->UsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&configParams);
if(!NT_SUCCESS(status)) {
WDF_USB_DEVICE_INFORMATION deviceInfo;
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceSelectConfig failed %!STATUS! \n",
status);
//
// detect if we are connected to a 1.1 USB port
//
WDF_USB_DEVICE_INFORMATION_INIT(&deviceInfo);
tempStatus = WdfUsbTargetDeviceRetrieveInformation(pDeviceContext->UsbDevice, &deviceInfo);
if (NT_SUCCESS(tempStatus)) {
//
// Since the Osr USB fx2 device is capable of working at high speed, the only reason
// the device would not be working at high speed is if the port doesn't
// support it. If the port doesn't support high speed it is a 1.1 port
//
if ((deviceInfo.Traits & WDF_USB_DEVICE_TRAIT_AT_HIGH_SPEED) == 0) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
" On a 1.1 USB port on Windows Vista"
" this is expected as the OSR USB Fx2 board's Interrupt EndPoint descriptor"
" doesn't conform to the USB specification. Windows Vista detects this and"
" returns an error. \n"
);
}
}
return status;
}
pDeviceContext->UsbInterface =
configParams.Types.SingleInterface.ConfiguredUsbInterface;
status = OsrFxConfigContReaderForInterruptEndPoint(pDeviceContext);
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP, "<-- EvtDevicePrepareHardware\n");
return status;
}
// 设备配置
// 按照WDF框架，设备配置选项默认为1；如存在多个配置选项，需要切换选择的话，会比较麻烦。
// 一种办法是：使用初始化宏：WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_INTERFACES_DESCRIPTORS
// 使用这个宏，需要首先获取配置描述符，和相关接口描述符。
// 另一种办法是：使用WDM方法，先构建一个配置选择的URB，然后要么自己调用IRP发送到总线驱动，
// 要么使用WDF方法调用WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_URB初始化宏。
//
NTSTATUS DrvClass::ConfigureUsbDevice()
{
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS usbConfig;
WDF_USB_INTERFACE_SELECT_SETTING_PARAMS interfaceSelectSetting;
KDBG(DPFLTR_INFO_LEVEL, "[ConfigureUsbDevice]");
// 创建Usb设备对象。
// USB设备对象是我们进行USB操作的起点。大部分的USB接口函数，都是针对它进行的。
// USB设备对象被创建后，由驱动自己维护；框架本身不处理它，也不保持它。
NTSTATUS status = WdfUsbTargetDeviceCreate(m_hDevice, WDF_NO_OBJECT_ATTRIBUTES, &m_hUsbDevice);
if(!NT_SUCCESS(status))
{
KDBG(DPFLTR_INFO_LEVEL, "WdfUsbTargetDeviceCreate failed with status 0x%08x\n", status);
return status;
}
// 接口配置
// WDF提供了多种接口配置的初始化宏，分别针对单一接口、多接口的USB设备，
// 初始化宏还提供了在多个配置间进行切换的途径，正如上面所讲过的。
// 在选择默认配置的情况下，设备配置将无比简单，简单到令长期受折磨的内核程序员大跌眼镜；
// 因为WDM上百行的代码逻辑，这里只要两三行就够了。
UCHAR numInterfaces = WdfUsbTargetDeviceGetNumInterfaces(m_hUsbDevice);
if(1 == numInterfaces)
{
KDBG(DPFLTR_INFO_LEVEL, "There is one interface.", status);
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&usbConfig);
}
else// 多接口
{
KDBG(DPFLTR_INFO_LEVEL, "There are %d interfaces.", numInterfaces);
PWDF_USB_INTERFACE_SETTING_PAIR settingPairs = (WDF_USB_INTERFACE_SETTING_PAIR*)
ExAllocatePoolWithTag(PagedPool,
sizeof(WDF_USB_INTERFACE_SETTING_PAIR) * numInterfaces, POOLTAG);
if (settingPairs == NULL)
return STATUS_INSUFFICIENT_RESOURCES;
int nNum = InitSettingPairs(m_hUsbDevice, settingPairs, numInterfaces);
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_MULTIPLE_INTERFACES(&usbConfig, nNum, settingPairs);
}
status = WdfUsbTargetDeviceSelectConfig(m_hUsbDevice, WDF_NO_OBJECT_ATTRIBUTES, &usbConfig);
if(!NT_SUCCESS(status))
{
KDBG(DPFLTR_INFO_LEVEL, "WdfUsbTargetDeviceSelectConfig failed with status 0x%08x\n", status);
return status;
}
// 保存接口
if(1 == numInterfaces)
{
m_hUsbInterface = usbConfig.Types.SingleInterface.ConfiguredUsbInterface;
// 使用SINGLE_INTERFACE接口配置宏，接口的AltSetting值默认为0。
// 下面两行代码演示了如何手动修改某接口的AltSetting值（此处为1）.
WDF_USB_INTERFACE_SELECT_SETTING_PARAMS_INIT_SETTING(&interfaceSelectSetting, 1);
status = WdfUsbInterfaceSelectSetting(m_hUsbInterface, WDF_NO_OBJECT_ATTRIBUTES, &interfaceSelectSetting);
}
else
{
int i;
m_hUsbInterface = usbConfig.Types.MultiInterface.Pairs[0].UsbInterface;
for(i = 0; i < numInterfaces; i++)
m_hMulInterfaces[i] = usbConfig.Types.MultiInterface.Pairs[i].UsbInterface;
}
return status;
}
// In this callback, the driver does whatever is necessary to make the hardware ready to use.
// In the case of a USB device, this involves reading and selecting descriptors.
NTSTATUS
HidFx2EvtDevicePrepareHardware(
_In_ WDFDEVICE hDevice,
_In_ WDFCMRESLIST hResourceList,
_In_ WDFCMRESLIST hResourceListTranslated
)
{
NTSTATUS status = STATUS_SUCCESS;
PDEVICE_EXTENSION pDevContext = NULL;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
WDF_OBJECT_ATTRIBUTES attributes;
PUSB_DEVICE_DESCRIPTOR pUsbDeviceDescriptor = NULL;
UNREFERENCED_PARAMETER(hResourceList);
UNREFERENCED_PARAMETER(hResourceListTranslated);
PAGED_CODE ();
TraceVerbose(DBG_INIT, "(%!FUNC!) Enter\n");
pDevContext = GetDeviceContext(hDevice);
// Create a WDFUSBDEVICE object. WdfUsbTargetDeviceCreate obtains the USB device descriptor and the first USB configuration
//descriptor from the device and stores them. It also creates a framework USB interface object for each interface in the device's first configuration.
//
// The parent of each USB device object is the driver's framework driver object. The driver cannot change this parent, and the ParentObject
// member or the WDF_OBJECT_ATTRIBUTES structure must be NULL.
//
// We only create device the first time PrepareHardware is called. If the device is restarted by pnp manager for resource rebalance, we
// will use the same device handle but then select the interfaces again because the USB stack could reconfigure the device on restart.
if (pDevContext->hUsbDevice == NULL)
{
status = WdfUsbTargetDeviceCreate(hDevice, WDF_NO_OBJECT_ATTRIBUTES, &pDevContext->hUsbDevice);
if (!NT_SUCCESS(status))
{
TraceErr(DBG_PNP, "(%!FUNC!) WdfUsbTargetDeviceCreate failed %!STATUS!\n", status);
return status;
}
}
// Select a device configuration by using a WDF_USB_DEVICE_SELECT_CONFIG_PARAMS
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&configParams);
status = WdfUsbTargetDeviceSelectConfig(pDevContext->hUsbDevice, WDF_NO_OBJECT_ATTRIBUTES, &configParams);
if (!NT_SUCCESS(status))
{
TraceErr(DBG_PNP, "(%!FUNC!) WdfUsbTargetDeviceSelectConfig failed %!STATUS!\n", status);
return status;
}
pDevContext->hUsbInterface = configParams.Types.SingleInterface.ConfiguredUsbInterface;
// Get the device descriptor and store it in device context
WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
attributes.ParentObject = hDevice;
status = WdfMemoryCreate(&attributes,
NonPagedPool,
0,
sizeof(USB_DEVICE_DESCRIPTOR),
&pDevContext->hDeviceDescriptor,
&pUsbDeviceDescriptor);
if (!NT_SUCCESS(status))
{
TraceErr(DBG_PNP, "(%!FUNC!) WdfMemoryCreate for Device Descriptor failed %!STATUS!\n", status);
return status;
}
WdfUsbTargetDeviceGetDeviceDescriptor(pDevContext->hUsbDevice, pUsbDeviceDescriptor);
// Get the Interrupt pipe. There are other endpoints but we are only interested in interrupt endpoint since our HID data comes from this
pDevContext->hInterruptPipe = WdfUsbInterfaceGetConfiguredPipe(pDevContext->hUsbInterface, INTERRUPT_ENDPOINT_INDEX, NULL);
if (NULL == pDevContext->hInterruptPipe)
{
TraceErr(DBG_PNP, "(%!FUNC!) Failed to get interrupt pipe info\n");
status = STATUS_INVALID_DEVICE_STATE;
return status;
}
// Tell the framework that it's okay to read less than MaximumPacketSize
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(pDevContext->hInterruptPipe);
//configure continuous reader
status = HidFx2ConfigContReaderForInterruptEndPoint(pDevContext);
TraceVerbose(DBG_INIT, "(%!FUNC!) Exit, Status: %!STATUS!\n", status);
return status;
}
NTSTATUS AndroidUsbDeviceObject::SelectInterfaces() {
ASSERT_IRQL_PASSIVE();
ASSERT(IsDeviceConfigured());
if (!IsDeviceConfigured())
return STATUS_INTERNAL_ERROR;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS config_params;
PWDF_USB_INTERFACE_SETTING_PAIR pairs = NULL;
// TODO: We need to find a way (possibly by looking at each
// interface descriptor) to get index of the ADB interface in multiinterface
// configuration.
UCHAR adb_interface_index = 0;
if (IsSingleInterfaceDevice()) {
// Our device has only one interface, so we don't have to bother with
// multiple interfaces at all.
GoogleDbgPrint("\n********** Device reports single interface");
// Select single interface configuration
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&config_params);
} else {
// Configure multiple interfaces
ULONG num_interf = GetInterfaceCount();
GoogleDbgPrint("\n********** Device reports %u interfaces",
num_interf);
// Allocate pairs for each interface
pairs = new(PagedPool, GANDR_POOL_TAG_INTERF_PAIRS)
WDF_USB_INTERFACE_SETTING_PAIR[num_interf];
ASSERT(NULL != pairs);
if (NULL == pairs)
return STATUS_INSUFFICIENT_RESOURCES;
adb_interface_index = 1;
// Initialize each interface pair
for (UCHAR pair = 0; pair < num_interf; pair++) {
pairs[pair].SettingIndex = 0;
pairs[pair].UsbInterface =
WdfUsbTargetDeviceGetInterface(wdf_target_device(), pair);
ASSERT(NULL != pairs[pair].UsbInterface);
if (NULL == pairs[pair].UsbInterface) {
delete[] pairs;
return STATUS_INTERNAL_ERROR;
}
}
// Select multiinterface configuration
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_MULTIPLE_INTERFACES(&config_params,
(UCHAR)num_interf,
pairs);
}
NTSTATUS status =
WdfUsbTargetDeviceSelectConfig(wdf_target_device(),
WDF_NO_OBJECT_ATTRIBUTES,
&config_params);
if (NULL != pairs)
delete[] pairs;
// ASSERT(NT_SUCCESS(status));
if (!NT_SUCCESS(status))
return status;
#if DBG
PrintSelectedConfig(&config_params);
#endif // DBG
wdf_usb_interface_ =
WdfUsbTargetDeviceGetInterface(wdf_target_device(), adb_interface_index);
ASSERT(NULL != wdf_usb_interface_);
if (NULL == wdf_usb_interface_)
return STATUS_INTERNAL_ERROR;
configured_pipes_num_ = WdfUsbInterfaceGetNumEndpoints(wdf_usb_interface(), 0);
ASSERT(0 != configured_pipes_num_);
// Cache selected interface descriptor
BYTE setting_index =
WdfUsbInterfaceGetConfiguredSettingIndex(wdf_usb_interface());
WdfUsbInterfaceGetDescriptor(wdf_usb_interface(),
setting_index,
&interface_descriptor_);
#if DBG
PrintInterfaceDescriptor(interface_descriptor());
#endif // DBG
// Iterate over pipes, decoding and saving info about bulk r/w pipes for
// easier and faster addressing later on when they get opened
for (UCHAR pipe = 0; pipe < configured_pipes_num(); pipe++) {
WDF_USB_PIPE_INFORMATION pipe_info;
WDF_USB_PIPE_INFORMATION_INIT(&pipe_info);
WDFUSBPIPE wdf_pipe_obj =
WdfUsbInterfaceGetConfiguredPipe(wdf_usb_interface(), pipe, &pipe_info);
ASSERT(NULL != wdf_pipe_obj);
if (NULL != wdf_pipe_obj) {
if ((WdfUsbPipeTypeBulk == pipe_info.PipeType) &&
WDF_USB_PIPE_DIRECTION_IN(pipe_info.EndpointAddress)) {
// This is a bulk read pipe
ASSERT(!IsBulkReadPipeKnown());
bulk_read_pipe_index_ = pipe;
} else {
ASSERT(!IsBulkWritePipeKnown());
bulk_write_pipe_index_ = pipe;
}
}
#if DBG
PrintPipeInformation(&pipe_info, pipe);
#endif // DBG
}
// At the end we must have calculated indexes for both,
// bulk read and write pipes
ASSERT(!NT_SUCCESS(status) || (IsBulkReadPipeKnown() &&
IsBulkWritePipeKnown()));
return status;
}
NTSTATUS
TemperUsbDriverEvtDevicePrepareHardware(
_In_ WDFDEVICE Device,
_In_ WDFCMRESLIST ResourceList,
_In_ WDFCMRESLIST ResourceListTranslated
)
/*++
Routine Description:
In this callback, the driver does whatever is necessary to make the
hardware ready to use. In the case of a USB device, this involves
reading and selecting descriptors.
Arguments:
Device - handle to a device
Return Value:
NT status value
--*/
{
NTSTATUS status;
PDEVICE_CONTEXT pDeviceContext;
WDF_USB_DEVICE_CREATE_CONFIG createParams;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
UNREFERENCED_PARAMETER(ResourceList);
UNREFERENCED_PARAMETER(ResourceListTranslated);
TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Entry");
status = STATUS_SUCCESS;
pDeviceContext = DeviceGetContext(Device);
//
// Create a USB device handle so that we can communicate with the
// underlying USB stack. The WDFUSBDEVICE handle is used to query,
// configure, and manage all aspects of the USB device.
// These aspects include device properties, bus properties,
// and I/O creation and synchronization. We only create the device the first time
// PrepareHardware is called. If the device is restarted by pnp manager
// for resource rebalance, we will use the same device handle but then select
// the interfaces again because the USB stack could reconfigure the device on
// restart.
//
if (pDeviceContext->UsbDevice == NULL) {
status = WdfUsbTargetDeviceCreateWithParameters(Device,
&createParams,
WDF_NO_OBJECT_ATTRIBUTES,
&pDeviceContext->UsbDevice
);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, TRACE_DEVICE,
"WdfUsbTargetDeviceCreateWithParameters failed 0x%x", status);
return status;
}
}
//
// Select the first configuration of the device, using the first alternate
// setting of each interface
//
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_MULTIPLE_INTERFACES(&configParams,
0,
NULL
);
status = WdfUsbTargetDeviceSelectConfig(pDeviceContext->UsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&configParams
);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, TRACE_DEVICE,
"WdfUsbTargetDeviceSelectConfig failed 0x%x", status);
return status;
}
TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Exit");
return status;
}
NTSTATUS
SelectInterfaces(
__in WDFDEVICE Device
)
/*++
Routine Description:
This helper routine selects the configuration, interface and
creates a context for every pipe (end point) in that interface.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
{
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
NTSTATUS status;
PDEVICE_CONTEXT pDeviceContext;
WDFUSBPIPE pipe;
WDF_USB_PIPE_INFORMATION pipeInfo;
UCHAR index;
UCHAR numberConfiguredPipes;
PAGED_CODE();
pDeviceContext = GetDeviceContext(Device);
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE( &configParams);
status = WdfUsbTargetDeviceSelectConfig(pDeviceContext->UsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&configParams);
if(!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceSelectConfig failed %!STATUS! \n",
status);
//
// Since the Osr USB fx2 device is capable of working at high speed, the only reason
// the device would not be working at high speed is if the port doesn't
// support it. If the port doesn't support high speed it is a 1.1 port
//
if ((pDeviceContext->UsbDeviceTraits & WDF_USB_DEVICE_TRAIT_AT_HIGH_SPEED) == 0) {
GUID activity = DeviceToActivityId(Device);
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
" On a 1.1 USB port on Windows Vista"
" this is expected as the OSR USB Fx2 board's Interrupt EndPoint descriptor"
" doesn't conform to the USB specification. Windows Vista detects this and"
" returns an error. \n"
);
EventWriteSelectConfigFailure(
&activity,
pDeviceContext->DeviceName,
pDeviceContext->Location,
status
);
}
return status;
}
pDeviceContext->UsbInterface =
configParams.Types.SingleInterface.ConfiguredUsbInterface;
numberConfiguredPipes = configParams.Types.SingleInterface.NumberConfiguredPipes;
//
// Get pipe handles
//
for(index=0; index < numberConfiguredPipes; index++) {
WDF_USB_PIPE_INFORMATION_INIT(&pipeInfo);
pipe = WdfUsbInterfaceGetConfiguredPipe(
pDeviceContext->UsbInterface,
index, //PipeIndex,
&pipeInfo
);
//
// Tell the framework that it's okay to read less than
// MaximumPacketSize
//
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(pipe);
if(WdfUsbPipeTypeInterrupt == pipeInfo.PipeType) {
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL,
"Interrupt Pipe is 0x%p\n", pipe);
pDeviceContext->InterruptPipe = pipe;
}
if(WdfUsbPipeTypeBulk == pipeInfo.PipeType &&
WdfUsbTargetPipeIsInEndpoint(pipe)) {
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL,
"BulkInput Pipe is 0x%p\n", pipe);
pDeviceContext->BulkReadPipe = pipe;
}
if(WdfUsbPipeTypeBulk == pipeInfo.PipeType &&
WdfUsbTargetPipeIsOutEndpoint(pipe)) {
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL,
"BulkOutput Pipe is 0x%p\n", pipe);
pDeviceContext->BulkWritePipe = pipe;
}
}
//
// If we didn't find all the 3 pipes, fail the start.
//
if(!(pDeviceContext->BulkWritePipe
&& pDeviceContext->BulkReadPipe && pDeviceContext->InterruptPipe)) {
status = STATUS_INVALID_DEVICE_STATE;
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"Device is not configured properly %!STATUS!\n",
status);
return status;
}
return status;
}
NTSTATUS
CySelectInterfaces(
__in WDFDEVICE Device
)
{
NTSTATUS NTStatus;
PDEVICE_CONTEXT pDeviceContext;
BYTE altSettings;
PAGED_CODE();
CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"Start CySelectInterfaces\n");
pDeviceContext = CyGetDeviceContext(Device);
pDeviceContext->ucNumberOfInterface = WdfUsbTargetDeviceGetNumInterfaces(pDeviceContext->CyUsbDevice);
/*if(pDeviceContext->ucNumberOfInterface == 1)*/
{
CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP," Single interface\n");
pDeviceContext->bIsMultiplInterface = FALSE;
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE(&pDeviceContext->UsbInterfaceConfig);
}
//else
//{
// CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"Multiple interface :0x%x\n",pDeviceContext->ucNumberOfInterface);
// pDeviceContext->bIsMultiplInterface = TRUE;
// pDeviceContext->MultipleInterfacePair = ExAllocatePoolWithTag(PagedPool,
// sizeof(WDF_USB_INTERFACE_SETTING_PAIR) * pDeviceContext->ucNumberOfInterface,
// CYMEM_TAG
// );
// if (pDeviceContext->MultipleInterfacePair == NULL)
// {
// CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"Insufficient resources\n");
// return STATUS_INSUFFICIENT_RESOURCES;
// }
// //
// // Call driver-defined routine to populate the
// // WDF_USB_INTERFACE_SETTING_PAIR structures
// // that ExAllocatePoolWithTag allocated.
// //
// InitInterfacePair(
// pDeviceContext->CyUsbDevice,
// pDeviceContext->MultipleInterfacePair,
// pDeviceContext->ucNumberOfInterface
// );
// WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_MULTIPLE_INTERFACES(
// &pDeviceContext->UsbInterfaceConfig,
// pDeviceContext->ucNumberOfInterface,
// pDeviceContext->MultipleInterfacePair
// );
//}
NTStatus = WdfUsbTargetDeviceSelectConfig(pDeviceContext->CyUsbDevice,
WDF_NO_OBJECT_ATTRIBUTES,
&pDeviceContext->UsbInterfaceConfig);
if(!NT_SUCCESS(NTStatus))
{
CyTraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceSelectConfig failed %!STATUS! \n",
NTStatus);
return NTStatus;
}
pDeviceContext->ucNumAltSettigns = WdfUsbInterfaceGetNumSettings(pDeviceContext->UsbInterfaceConfig.Types.SingleInterface.ConfiguredUsbInterface);
pDeviceContext->ucActiveAltSettings = 0; /* First active alternat settings will be ZERO */
pDeviceContext->ucActiveConfigNum = 0; // This is the defaul configuration number
if(!(pDeviceContext->bIsMultiplInterface))
{//single interface
CyGetActiveAltInterfaceConfig(pDeviceContext);
}
else
{// Multiple interface
cyGetMultipleInterfaceConfig(pDeviceContext);
}
pDeviceContext->ucNumberOfInterfaceCompositUSB30Only = 0; // intialize
// Check if device is USB3.0 then parse the device configuration and store SS EP information
if(pDeviceContext->UsbDeviceDescriptor.bcdUSB == USB30MAJORVER)
{
/*
RTL_OSVERSIONINFOW lpVersionInformation= {0};
//WORKAROUND : WIN 8 based xHCI does not provide USBDI version of xHCI driver stack, so adding this works around to differenciate OS
// Get the OS version if it is WIN 8 then we do not need to parse the descriptor table to get the MaxBurst other paramter as it is being added to MaxPacketSize in Windows 9
if(RtlGetVersion(&lpVersionInformation)==STATUS_SUCCESS)
{
CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"Operting System Version information\n");
CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"dwMajorVersion:%x dwMinorVersion:%x dwBuildNumber:%x\n",lpVersionInformation.dwMajorVersion
,lpVersionInformation.dwMinorVersion
,lpVersionInformation.dwBuildNumber);
}
if(!((lpVersionInformation.dwMajorVersion==6) && (lpVersionInformation.dwMinorVersion ==2)))*/
CyGetAndParseUSB30DeviceConfiguration(pDeviceContext);
}
CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"End CySelectInterfaces\n");
return NTStatus;
}
