NTSTATUS UsbclassTypeRequestCall
(
IN PMP_ADAPTER Adapter,
UCHAR bmRequestType,
UCHAR bmRequest,
USHORT wValue,
USHORT wIndex,
USHORT wLength,
PVOID pData,
ULONG* pRetSize
)
{
NTSTATUS ntStatus;
USHORT FlagsWord;
USHORT wRecipient, wType;
USHORT UrbFunction;
ULONG size;
PURB pUrb;
//
//init var
//
pUrb =NULL;
ntStatus =STATUS_SUCCESS;
FlagsWord = USBD_SHORT_TRANSFER_OK;
wType = bmRequestType &USB_TYPE_MASK;
wRecipient= bmRequestType&USB_RECIP_MASK;
if(NULL!=pRetSize) (*pRetSize)= 0;
if (bmRequestType & USB_DIR_IN)
{
FlagsWord |= USBD_TRANSFER_DIRECTION_IN;
}
ASSERT(wType==USB_TYPE_CLASS);
switch( wRecipient )
{
case USB_RECIP_DEVICE:
{
UrbFunction = URB_FUNCTION_CLASS_DEVICE;
break;
}
case USB_RECIP_INTERFACE:
{
UrbFunction = URB_FUNCTION_CLASS_INTERFACE;
break;
}
case USB_RECIP_ENDPOINT:
{
UrbFunction = URB_FUNCTION_CLASS_ENDPOINT;
break;
}
default:
{
ntStatus = STATUS_INVALID_PARAMETER;
goto func_return;
}
}
size = sizeof( struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST );
pUrb = ExAllocatePoolWithTag( NonPagedPool, size ,NIC_TAG);
if ( !pUrb )
{
ntStatus = STATUS_NO_MEMORY;
goto func_return;
}
RtlZeroMemory( pUrb, size );
UsbBuildVendorRequest (
pUrb,
UrbFunction,
(USHORT)size, //size of this URB
FlagsWord,
0, //reserved bits
bmRequest, //request
(USHORT)wValue, //value
(USHORT)wIndex, //index (zero interface?)
pData, //transfer buffer
NULL,
wLength, //size of transfer buffer
(PURB)NULL //URB link
);
ntStatus = CallUSBD( Adapter, pUrb );
if (NT_SUCCESS( ntStatus )&&NULL!=pRetSize)
{
*pRetSize = pUrb -> UrbControlVendorClassRequest.TransferBufferLength;
}
func_return:
USB_EXFreePool(pUrb);
return ntStatus;
}
NTSTATUS
BulkUsb_ResetPipe(
IN PDEVICE_OBJECT DeviceObject,
IN PUSBD_PIPE_INFORMATION PipeInfo
)
/*++
Routine Description:
This routine synchronously submits a URB_FUNCTION_RESET_PIPE
request down the stack.
Arguments:
DeviceObject - pointer to device object
PipeInfo - pointer to PipeInformation structure
to retrieve the pipe handle
Return Value:
NT status value
--*/
{
PURB urb;
NTSTATUS ntStatus;
PDEVICE_EXTENSION deviceExtension;
//
// initialize variables
//
urb = NULL;
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
urb = ExAllocatePool(NonPagedPool,
sizeof(struct _URB_PIPE_REQUEST));
if(urb) {
urb->UrbHeader.Length = (USHORT) sizeof(struct _URB_PIPE_REQUEST);
urb->UrbHeader.Function = URB_FUNCTION_RESET_PIPE;
urb->UrbPipeRequest.PipeHandle = PipeInfo->PipeHandle;
ntStatus = CallUSBD(DeviceObject, urb);
ExFreePool(urb);
}
else {
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
}
if(NT_SUCCESS(ntStatus)) {
BulkUsb_DbgPrint(3, ("BulkUsb_ResetPipe - success\n"));
ntStatus = STATUS_SUCCESS;
}
else {
BulkUsb_DbgPrint(1, ("BulkUsb_ResetPipe - failed\n"));
}
return ntStatus;
}
