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1004 lines
32 KiB
1004 lines
32 KiB
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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ioctl.c
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Abstract:
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Device driver for USB printers
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Environment:
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kernel mode only
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Notes:
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THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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PURPOSE.
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Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
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Revision History:
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5-4-96 : created
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--*/
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#define DRIVER
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#include "wdm.h"
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#include "stdarg.h"
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#include "stdio.h"
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#include <usb.h>
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#include <usbdrivr.h>
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#include "usbdlib.h"
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#include "usbprint.h"
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#include "ioctl.h"
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#include "usbdlib.h"
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#include "ntddpar.h"
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int USBPRINT_GetLptStatus(IN PDEVICE_OBJECT DeviceObject);
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NTSTATUS HPUsbIOCTLVendorSetCommand(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp);
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NTSTATUS HPUsbIOCTLVendorGetCommand(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp);
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NTSTATUS HPUsbVendorSetCommand(IN PDEVICE_OBJECT DeviceObject,IN PUCHAR buffer,IN ULONG length);
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NTSTATUS HPUsbVendorGetCommand(IN PDEVICE_OBJECT DeviceObject,IN PUCHAR buffer,IN ULONG length,OUT PULONG pBytesRead);
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NTSTATUS USBPRINT_SoftReset(IN PDEVICE_OBJECT DeviceObject)
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/*++
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Routine Description:
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Issues the class specific "Soft reset" command to the printer
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Arguments:
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DeviceObject - pointer to the device object for this instance of the printer device.
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Return Value:
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ntStatus of the URB
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--*/
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{
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NTSTATUS ntStatus;
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PURB urb;
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PUSB_CONFIGURATION_DESCRIPTOR configurationDescriptor = NULL;
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PDEVICE_EXTENSION deviceExtension;
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LARGE_INTEGER timeOut;
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USBPRINT_KdPrint2 (("'USBPRINT.SYS: enter USBPRINT_SoftReset\n"));
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deviceExtension = DeviceObject->DeviceExtension;
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urb = ExAllocatePoolWithTag(NonPagedPool,sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST), USBP_TAG);
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if (urb) {
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UsbBuildVendorRequest(urb, //urb
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URB_FUNCTION_CLASS_INTERFACE, //request target
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sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST), //request len
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USBD_TRANSFER_DIRECTION_OUT|USBD_SHORT_TRANSFER_OK, //flags
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0, //reserved bits
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2, //request code
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0, //wValue
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deviceExtension->Interface->InterfaceNumber<<8, //wIndex
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NULL, //return buffer address
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NULL, //mdl
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0, //return length
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NULL); //link param
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timeOut.QuadPart = FAILURE_TIMEOUT;
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ntStatus = USBPRINT_CallUSBD(DeviceObject, urb, &timeOut);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: urb->Hdr.Status=%d\n",((struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *)urb)->Hdr.Status));
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if (NT_SUCCESS(ntStatus) &&
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urb->UrbControlVendorClassRequest.TransferBufferLength > 2)
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{
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: CallUSBD succeeded\n"));
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}
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else
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{
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USBPRINT_KdPrint1(("'USBPRINT.SYS: Error; CallUSBD failed"));
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}
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ExFreePool(urb);
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} /*end if URB OK*/
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else
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{
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USBPRINT_KdPrint1(("'USBPRINT.SYS: Error; urb allocation failed"));
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ntStatus=STATUS_NO_MEMORY;
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}
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return ntStatus;
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} /*end function Get1284_Id*/
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int USBPRINT_Get1284Id(IN PDEVICE_OBJECT DeviceObject,PVOID pIoBuffer,int iLen)
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/*++
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Routine Description:
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Requests and returns Printer 1284 Device ID
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Arguments:
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DeviceObject - pointer to the device object for this instance of the printer device.
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pIoBuffer - pointer to IO buffer from user mode
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iLen - Length of *pIoBuffer;
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Return Value:
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Success: Length of data written to *pIoBuffer (icluding lenght field in first two bytes of data)
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Failure: -1
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--*/
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{
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NTSTATUS ntStatus;
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PURB urb;
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ULONG siz;
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int iReturn = -1;
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PUSB_CONFIGURATION_DESCRIPTOR configurationDescriptor = NULL;
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PDEVICE_EXTENSION deviceExtension;
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LARGE_INTEGER timeOut;
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USBPRINT_KdPrint2 (("'USBPRINT.SYS: enter USBPRINT_Get1284\n"));
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deviceExtension = DeviceObject->DeviceExtension;
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urb = ExAllocatePoolWithTag(NonPagedPool,sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST), USBP_TAG);
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if (urb) {
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siz = iLen;
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UsbBuildVendorRequest(urb, //urb
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URB_FUNCTION_CLASS_INTERFACE, //request target
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sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST), //request len
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USBD_TRANSFER_DIRECTION_IN|USBD_SHORT_TRANSFER_OK, //flags
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0, //reserved bits
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0, //request code
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0, //wValue
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deviceExtension->Interface->InterfaceNumber<<8, //wIndex
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pIoBuffer, //return buffer address
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NULL, //mdl
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iLen, //return length
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NULL); //link param
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timeOut.QuadPart = FAILURE_TIMEOUT;
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ntStatus = USBPRINT_CallUSBD(DeviceObject, urb, &timeOut);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: urb->Hdr.Status=%d\n",((struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *)urb)->Hdr.Status));
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if (NT_SUCCESS(ntStatus) &&
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urb->UrbControlVendorClassRequest.TransferBufferLength > 2)
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{
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: CallUSBD succeeded\n"));
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iReturn= *((unsigned char *)pIoBuffer);
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iReturn<<=8;
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iReturn+=*(((unsigned char *)pIoBuffer)+1);
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if ( iReturn > 0 && iReturn < iLen )
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{
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*(((char *)pIoBuffer)+iReturn)='\0';
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: return size ==%d\n",iReturn));
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}
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else
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{
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iReturn = -1;
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}
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}
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else
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{
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USBPRINT_KdPrint1(("'USBPRINT.SYS: Error; CallUSBD failed\n"));
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iReturn=-1;
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}
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ExFreePool(urb);
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} /*end if URB OK*/
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else
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{
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USBPRINT_KdPrint1(("'USBPRINT.SYS: Error; urb allocation failed"));
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iReturn=-1;
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}
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return iReturn;
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} /*end function Get1284_Id*/
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int USBPRINT_GetLptStatus(IN PDEVICE_OBJECT DeviceObject)
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/*++
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Routine Description:
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Requests and returns Printer status byte from USB printer
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Arguments:
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DeviceObject - pointer to the device object for this instance of the printer device.
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Return Value:
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Success: status value 0-255
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Failure: -1
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--*/
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{
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NTSTATUS ntStatus;
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PURB urb;
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ULONG siz;
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unsigned char RETURN_BUFF[1];
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PUSB_CONFIGURATION_DESCRIPTOR configurationDescriptor = NULL;
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PDEVICE_EXTENSION deviceExtension;
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LARGE_INTEGER timeOut;
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RETURN_BUFF[0] = 0;
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timeOut.QuadPart = FAILURE_TIMEOUT;
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deviceExtension = DeviceObject->DeviceExtension;
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urb = ExAllocatePoolWithTag(NonPagedPool,sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST), USBP_TAG);
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if (urb) {
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siz = sizeof(RETURN_BUFF);
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UsbBuildVendorRequest(urb,
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URB_FUNCTION_CLASS_INTERFACE,
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sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST),
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USBD_TRANSFER_DIRECTION_IN|USBD_SHORT_TRANSFER_OK,
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0, //reserved bits
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1, //request code
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0,
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deviceExtension->Interface->InterfaceNumber,
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RETURN_BUFF, //return buffer address
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NULL, //mdl
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sizeof(RETURN_BUFF), //return length
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NULL); //link param
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ntStatus = USBPRINT_CallUSBD(DeviceObject, urb, &timeOut);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: urb->Hdr.Status=%d\n",((struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *)urb)->Hdr.Status));
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ExFreePool(urb);
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if (NT_SUCCESS(ntStatus))
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{
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: CallUSBD succeeded\n"));
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return (int) RETURN_BUFF[0];
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}
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else
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{
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USBPRINT_KdPrint1(("'USBPRINT.SYS: Error; CallUSBD failed"));
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return -1;
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}
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} /*end if URB OK*/
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else {
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return -1;
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}
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} /*end function GetLptStatus*/
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NTSTATUS
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USBPRINT_GetPortStatus(
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IN PDEVICE_OBJECT DeviceObject,
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IN PULONG PortStatus
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)
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/*++
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Routine Description:
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returns the port status for our device
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Arguments:
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Return Value:
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STATUS_SUCCESS if successful,
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STATUS_UNSUCCESSFUL otherwise
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--*/
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{
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NTSTATUS ntStatus, status = STATUS_SUCCESS;
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PIRP irp;
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KEVENT event;
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IO_STATUS_BLOCK ioStatus;
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PIO_STACK_LOCATION nextStack;
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PDEVICE_EXTENSION deviceExtension;
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USBPRINT_KdPrint2 (("'USBPRINT.SYS: enter USBPRINT_GetPortStatus\n"));
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deviceExtension = DeviceObject->DeviceExtension;
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*PortStatus = 0;
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//
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// issue a synchronous request
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//
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KeInitializeEvent(&event, NotificationEvent, FALSE);
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irp = IoBuildDeviceIoControlRequest(
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IOCTL_INTERNAL_USB_GET_PORT_STATUS,
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deviceExtension->TopOfStackDeviceObject,
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NULL,
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0,
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NULL,
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0,
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TRUE, /* INTERNAL */
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&event,
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&ioStatus);
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if(irp==NULL)
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{
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ioStatus.Status=STATUS_NO_MEMORY;
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goto GetPortStatusDone;
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}
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//
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// Call the class driver to perform the operation. If the returned status
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// is PENDING, wait for the request to complete.
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//
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nextStack = IoGetNextIrpStackLocation(irp);
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ASSERT(nextStack != NULL);
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nextStack->Parameters.Others.Argument1 = PortStatus;
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: calling USBD port status api\n"));
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ntStatus = IoCallDriver(deviceExtension->TopOfStackDeviceObject,
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irp);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: return from IoCallDriver USBD (in getportstatus)%x\n", ntStatus));
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if (ntStatus == STATUS_PENDING) {
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: Wait for single object\n"));
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status = KeWaitForSingleObject(
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&event,
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Suspended,
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KernelMode,
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FALSE,
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NULL);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: Wait for single object, returned %x\n", status));
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} else {
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ioStatus.Status = ntStatus;
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}
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if (!NT_SUCCESS(ntStatus))
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{
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USBPRINT_KdPrint1 (("'USBPRINT.SYS: Error! IoCallDriver failed\n"));
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}
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else
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{
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: Success! IoCallDriver did not fail\n"));
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}
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: Port status = %x\n", *PortStatus));
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//
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// USBD maps the error code for us
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//
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GetPortStatusDone:
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ntStatus = ioStatus.Status;
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: USBPRINT_GetPortStatus (%x)\n", ntStatus));
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return ntStatus;
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}
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NTSTATUS
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USBPRINT_ResetParentPort(
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IN IN PDEVICE_OBJECT DeviceObject
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)
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/*++
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Routine Description:
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Reset the our parent port
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Arguments:
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Return Value:
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STATUS_SUCCESS if successful,
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STATUS_UNSUCCESSFUL otherwise
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--*/
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{
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NTSTATUS ntStatus, status = STATUS_SUCCESS;
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PIRP irp;
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KEVENT event;
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IO_STATUS_BLOCK ioStatus;
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PIO_STACK_LOCATION nextStack;
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PDEVICE_EXTENSION deviceExtension;
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USBPRINT_KdPrint2 (("'USBPRINT.SYS: enter USBPRINT_ResetPort\n"));
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deviceExtension = DeviceObject->DeviceExtension;
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//
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// issue a synchronous request
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//
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KeInitializeEvent(&event, NotificationEvent, FALSE);
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irp = IoBuildDeviceIoControlRequest(
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IOCTL_INTERNAL_USB_RESET_PORT,
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deviceExtension->TopOfStackDeviceObject,
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NULL,
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0,
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NULL,
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0,
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TRUE, /* INTERNAL */
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&event,
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&ioStatus);
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//
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// Call the class driver to perform the operation. If the returned status
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// is PENDING, wait for the request to complete.
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//
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if(irp==NULL)
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{
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ioStatus.Status=STATUS_NO_MEMORY;
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goto ResetPortDone;
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}
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nextStack = IoGetNextIrpStackLocation(irp);
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ASSERT(nextStack != NULL);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: calling USBD enable port api\n"));
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ntStatus = IoCallDriver(deviceExtension->TopOfStackDeviceObject,
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irp);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: return from IoCallDriver USBD (in reset parent port)%x\n", ntStatus));
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if (ntStatus == STATUS_PENDING) {
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: Wait for single object\n"));
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status = KeWaitForSingleObject(
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&event,
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Suspended,
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KernelMode,
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FALSE,
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NULL);
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: Wait for single object, returned %x\n", status));
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} else {
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ioStatus.Status = ntStatus;
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}
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//
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// USBD maps the error code for us
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//
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ResetPortDone:
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ntStatus = ioStatus.Status;
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USBPRINT_KdPrint3 (("'USBPRINT.SYS: USBPRINT_ResetPort (%x)\n", ntStatus));
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return ntStatus;
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}
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NTSTATUS
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USBPRINT_ProcessIOCTL(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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/*++
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Routine Description:
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Arguments:
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DeviceObject - pointer to the device object for this printer
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Return Value:
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NT status code
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--*/
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{
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PIO_STACK_LOCATION irpStack;
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PVOID ioBuffer;
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ULONG inputBufferLength;
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ULONG outputBufferLength;
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PDEVICE_EXTENSION deviceExtension;
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ULONG ioControlCode;
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NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
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PUCHAR pch;
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USBPRINT_KdPrint2 (("'USBPRINT.SYS: IRP_MJ_DEVICE_CONTROL\n"));
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USBPRINT_IncrementIoCount(DeviceObject);
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//
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// Get a pointer to the current location in the Irp. This is where
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// the function codes and parameters are located.
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//
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deviceExtension = DeviceObject->DeviceExtension;
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if (deviceExtension->IsChildDevice == TRUE)
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{
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ntStatus = STATUS_NOT_SUPPORTED;
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Irp->IoStatus.Status = ntStatus;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest (Irp,IO_NO_INCREMENT);
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USBPRINT_DecrementIoCount(DeviceObject);
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return ntStatus;
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}
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if (deviceExtension->AcceptingRequests == FALSE)
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{
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ntStatus = STATUS_DEVICE_DATA_ERROR;
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Irp->IoStatus.Status = ntStatus;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest (Irp,IO_NO_INCREMENT);
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USBPRINT_DecrementIoCount(DeviceObject);
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return ntStatus;
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}
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irpStack = IoGetCurrentIrpStackLocation (Irp);
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Irp->IoStatus.Information = 0;
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ioBuffer = Irp->AssociatedIrp.SystemBuffer;
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inputBufferLength = irpStack->Parameters.DeviceIoControl.InputBufferLength;
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outputBufferLength = irpStack->Parameters.DeviceIoControl.OutputBufferLength;
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ioControlCode = irpStack->Parameters.DeviceIoControl.IoControlCode;
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//
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// Handle Ioctls from User mode
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//
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switch (ioControlCode) {
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case IOCTL_PAR_QUERY_DEVICE_ID:
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{
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int iReturn;
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char * pTempBuffer;
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USBPRINT_KdPrint1 (("'USBPRINT.SYS: Enter in PAR_QUERY_DEVICE_ID\n"));
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pTempBuffer=ExAllocatePool(NonPagedPool,outputBufferLength+3); //3 == 2 bytes for the size at the beginning, plus 1 for the null at the end
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if(pTempBuffer==NULL)
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{
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Irp->IoStatus.Information=0;
|
|
ntStatus=STATUS_NO_MEMORY;
|
|
}
|
|
else
|
|
{
|
|
iReturn=USBPRINT_Get1284Id(DeviceObject,pTempBuffer,outputBufferLength+2);
|
|
if(iReturn>0)
|
|
{
|
|
USBPRINT_KdPrint3 (("'USBPRINT.SYS: Success in PAR_QUERY_DEVICE_ID\n"));
|
|
Irp->IoStatus.Information=iReturn-1;
|
|
*(pTempBuffer+iReturn)='\0';
|
|
RtlCopyBytes(ioBuffer,pTempBuffer+2,iReturn-1); //+2 to step past the size bytes at the beginning, -1 is +1 for null -2 for size bytes
|
|
ntStatus=STATUS_SUCCESS;
|
|
} /*if success*/
|
|
else
|
|
{
|
|
USBPRINT_KdPrint1 (("'USBPRINT.SYS: Failure in PAR_QUERY_DEVICE_ID\n"));
|
|
Irp->IoStatus.Information=0;
|
|
ntStatus=STATUS_DEVICE_DATA_ERROR;
|
|
} /*else failure*/
|
|
ExFreePool(pTempBuffer);
|
|
} /*end else malloc OK*/
|
|
USBPRINT_KdPrint1 (("'USBPRINT.SYS: Exit in PAR_QUERY_DEVICE_ID\n"));
|
|
}
|
|
break;
|
|
|
|
case IOCTL_USBPRINT_SOFT_RESET:
|
|
|
|
ntStatus=USBPRINT_SoftReset(DeviceObject);
|
|
|
|
Irp->IoStatus.Information=0;
|
|
break;
|
|
|
|
|
|
|
|
case IOCTL_USBPRINT_GET_1284_ID:
|
|
{
|
|
int iReturn;
|
|
|
|
pch = (PUCHAR) ioBuffer;
|
|
|
|
if(outputBufferLength<sizeof(UCHAR))
|
|
{
|
|
USBPRINT_KdPrint1 (("'USBPRINT.SYS: Buffer to small in GET_1284_ID\n"));
|
|
Irp->IoStatus.Information=0;
|
|
ntStatus=STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
else
|
|
{
|
|
iReturn=USBPRINT_Get1284Id(DeviceObject,ioBuffer,outputBufferLength);
|
|
if(iReturn>=0)
|
|
{
|
|
USBPRINT_KdPrint3 (("'USBPRINT.SYS: Success in GET_1284_ID\n"));
|
|
*pch=(UCHAR)iReturn;
|
|
Irp->IoStatus.Information=iReturn;
|
|
ntStatus=STATUS_SUCCESS;
|
|
} /*if success*/
|
|
else
|
|
{
|
|
USBPRINT_KdPrint1 (("'USBPRINT.SYS: Failure in GET_1284_ID\n"));
|
|
Irp->IoStatus.Information=0;
|
|
ntStatus=STATUS_DEVICE_DATA_ERROR;
|
|
} /*else failure*/
|
|
} /*end else buffer len OK*/
|
|
}
|
|
break; //end case GET_1284_ID
|
|
|
|
case IOCTL_USBPRINT_GET_LPT_STATUS:
|
|
{
|
|
int iReturn;
|
|
pch = (PUCHAR) ioBuffer;
|
|
|
|
if(outputBufferLength<sizeof(UCHAR))
|
|
{
|
|
USBPRINT_KdPrint1 (("'USBPRINT.SYS: Buffer to small in GET_LPT_STATUS\n"));
|
|
Irp->IoStatus.Information=0;
|
|
ntStatus=STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
else
|
|
{
|
|
iReturn= USBPRINT_GetLptStatus(DeviceObject);
|
|
if(iReturn>=0)
|
|
{
|
|
USBPRINT_KdPrint3 (("'USBPRINT.SYS: Success in GET_LPT_STATUS\n"));
|
|
*pch=(UCHAR)iReturn;
|
|
Irp->IoStatus.Information=1;
|
|
ntStatus=STATUS_SUCCESS;
|
|
} /*if success*/
|
|
else
|
|
{
|
|
USBPRINT_KdPrint1 (("'USBPRINT.SYS: Failure in GET_LPT_STATUS\n"));
|
|
Irp->IoStatus.Information=0;
|
|
ntStatus=STATUS_DEVICE_DATA_ERROR;
|
|
} /*else failure*/
|
|
} /*end else buffer OK*/
|
|
}
|
|
break;
|
|
|
|
|
|
case IOCTL_USBPRINT_VENDOR_SET_COMMAND:
|
|
|
|
ntStatus=HPUsbIOCTLVendorSetCommand(DeviceObject,Irp);
|
|
|
|
break;
|
|
|
|
|
|
case IOCTL_USBPRINT_VENDOR_GET_COMMAND:
|
|
|
|
ntStatus=HPUsbIOCTLVendorGetCommand(DeviceObject,Irp);
|
|
|
|
break;
|
|
|
|
|
|
case IOCTL_USBPRINT_RESET_DEVICE:
|
|
|
|
{
|
|
ULONG portStatus;
|
|
|
|
USBPRINT_KdPrint3 (("'USBPRINT.SYS: Reset Device Test\n"));
|
|
|
|
TRAP(); // test this
|
|
//
|
|
// Check the port state, if it is disabled we will need
|
|
// to re-enable it
|
|
//
|
|
ntStatus = USBPRINT_GetPortStatus(DeviceObject, &portStatus);
|
|
|
|
if (NT_SUCCESS(ntStatus) && !(portStatus & USBD_PORT_ENABLED) &&portStatus & USBD_PORT_CONNECTED)
|
|
{
|
|
//
|
|
// port is disabled, attempt reset
|
|
//
|
|
//USBPRINT_EnableParentPort(DeviceObject);
|
|
USBPRINT_KdPrint2 (("'USBPRINT.SYS: Resetting port\n"));
|
|
USBPRINT_ResetParentPort(DeviceObject);
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
ntStatus = STATUS_INVALID_DEVICE_REQUEST;
|
|
break;
|
|
}
|
|
|
|
Irp->IoStatus.Status = ntStatus;
|
|
|
|
IoCompleteRequest (Irp,
|
|
IO_NO_INCREMENT
|
|
);
|
|
|
|
USBPRINT_DecrementIoCount(DeviceObject);
|
|
|
|
return ntStatus;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/****************STUFF FROM HP:*************************/
|
|
|
|
/*-------------------------------------------------------------------------------
|
|
* HPUsbIOCTLVendorSetCommand() - Send a vendor defined SET command
|
|
*-------------------------------------------------------------------------------
|
|
*/
|
|
NTSTATUS HPUsbIOCTLVendorSetCommand(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp)
|
|
{
|
|
// Local Variables
|
|
NTSTATUS ntStatus;
|
|
PIO_STACK_LOCATION currentIrpStack;
|
|
|
|
// Set up a local pointer to the Irp stack
|
|
currentIrpStack = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
// Send the SET command
|
|
ntStatus = HPUsbVendorSetCommand(DeviceObject,
|
|
(PUCHAR) Irp->AssociatedIrp.SystemBuffer,
|
|
currentIrpStack->Parameters.DeviceIoControl.InputBufferLength);
|
|
|
|
// Set the Irp information values
|
|
Irp->IoStatus.Status = ntStatus;
|
|
Irp->IoStatus.Information = 0;
|
|
|
|
// Return
|
|
return ntStatus;
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------------
|
|
* HPUsbIOCTLVendorGetCommand() - Send a vendor defined GET command
|
|
*-------------------------------------------------------------------------------
|
|
*/
|
|
NTSTATUS HPUsbIOCTLVendorGetCommand(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp)
|
|
{
|
|
// Local Variables
|
|
NTSTATUS ntStatus;
|
|
PIO_STACK_LOCATION currentIrpStack;
|
|
ULONG bytesRead = 0;
|
|
|
|
// Set up a local pointer to the Irp stack
|
|
currentIrpStack = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
// Get the port status
|
|
ntStatus = HPUsbVendorGetCommand(DeviceObject,
|
|
(PUCHAR) Irp->AssociatedIrp.SystemBuffer,
|
|
currentIrpStack->Parameters.DeviceIoControl.OutputBufferLength,
|
|
&bytesRead);
|
|
|
|
// Set the Irp information values
|
|
Irp->IoStatus.Status = ntStatus;
|
|
Irp->IoStatus.Information = bytesRead;
|
|
|
|
// Return
|
|
return ntStatus;
|
|
}
|
|
|
|
|
|
|
|
/*-------------------------------------------------------------------------------
|
|
* HPUsbVendorSetCommand() - Send a vendor specified SET command
|
|
*
|
|
* Inputs:
|
|
* buffer[0] - Vendor Request Code (bRequest function code)
|
|
* buffer[1] - Vendor Request Value Most Significant Byte (wValue MSB)
|
|
* buffer[2] - Vendor Request Value Least Significant Byte (wValue LSB)
|
|
* buffer[3...] - Any data to be sent as part of the command
|
|
*
|
|
*-------------------------------------------------------------------------------
|
|
*/
|
|
NTSTATUS HPUsbVendorSetCommand(IN PDEVICE_OBJECT DeviceObject,
|
|
IN PUCHAR buffer,
|
|
IN ULONG length)
|
|
{
|
|
// Local variables
|
|
NTSTATUS ntStatus;
|
|
PDEVICE_EXTENSION deviceExtension;
|
|
PUSBD_INTERFACE_INFORMATION interface;
|
|
PURB urb;
|
|
ULONG size;
|
|
UCHAR bRequest;
|
|
USHORT wValue;
|
|
USHORT wIndex;
|
|
|
|
if ( buffer == NULL || length < 3 )
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
// Set up a local pointer to the device extension
|
|
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
|
|
|
// Set up a local pointer to the interface
|
|
interface = deviceExtension->Interface;
|
|
|
|
// Determine the size of the URB
|
|
size = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST);
|
|
|
|
// Allocate memory for the USB Request Block (URB)
|
|
// urb = (PURB)
|
|
// ExAllocatePoolWithTag(NonPagedPool,size,HPUSB_ALLOC_TAG);
|
|
urb = ExAllocatePoolWithTag(NonPagedPool,size, USBP_TAG);
|
|
// Check for an error
|
|
if (urb == NULL)
|
|
return STATUS_NO_MEMORY;
|
|
|
|
// Store the vendor request code
|
|
bRequest = buffer[0];
|
|
|
|
// Store the vendor request parameter
|
|
wValue = (buffer[1] << 8) | buffer[2];
|
|
|
|
// Create the wIndex value (Interface:Alternate)
|
|
wIndex = (interface->InterfaceNumber << 8) |
|
|
(interface->AlternateSetting);
|
|
|
|
// Use a macro in the standard USB header files to build the URB
|
|
UsbBuildVendorRequest(urb,
|
|
URB_FUNCTION_VENDOR_INTERFACE,
|
|
(USHORT) size,
|
|
0,
|
|
0,
|
|
bRequest,
|
|
wValue,
|
|
wIndex,
|
|
buffer,
|
|
NULL,
|
|
length,
|
|
NULL);
|
|
|
|
//
|
|
// Timeout cancellation should happen from user mode
|
|
//
|
|
ntStatus = USBPRINT_CallUSBD(DeviceObject,urb, NULL);
|
|
|
|
// Free allocated memory
|
|
ExFreePool(urb);
|
|
|
|
// Return Success
|
|
return ntStatus;
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------------
|
|
* HPUsbVendorGetCommand() - Send a vendor specified GET command
|
|
*
|
|
* Inputs:
|
|
* buffer[0] - Vendor Request Code (bRequest function code)
|
|
* buffer[1] - Vendor Request Value Most Significant Byte (wValue MSB)
|
|
* buffer[2] - Vendor Request Value Least Significant Byte (wValue LSB)
|
|
* Outputs:
|
|
* buffer[ ] - Response data
|
|
*
|
|
*-------------------------------------------------------------------------------
|
|
*/
|
|
NTSTATUS HPUsbVendorGetCommand(IN PDEVICE_OBJECT DeviceObject,
|
|
IN PUCHAR buffer,
|
|
IN ULONG length,
|
|
OUT PULONG pBytesRead)
|
|
{
|
|
// Local variables
|
|
NTSTATUS ntStatus;
|
|
PDEVICE_EXTENSION deviceExtension;
|
|
PUSBD_INTERFACE_INFORMATION interface;
|
|
PURB urb;
|
|
ULONG size;
|
|
UCHAR bRequest;
|
|
USHORT wValue;
|
|
USHORT wIndex;
|
|
|
|
if ( buffer == NULL || length < 3 )
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
// Initialize the pBytesRead return value
|
|
*pBytesRead = 0;
|
|
|
|
// Set up a local pointer to the device extension
|
|
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
|
|
|
// Set up a local pointer to the interface
|
|
interface = deviceExtension->Interface;
|
|
|
|
// Determine the size of the URB
|
|
size = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST);
|
|
|
|
// Allocate memory for the USB Request Block (URB)
|
|
// urb = (PURB)
|
|
// ExAllocatePoolWithTag(NonPagedPool,size,HPUSB_ALLOC_TAG);
|
|
urb = ExAllocatePoolWithTag(NonPagedPool,size, USBP_TAG);
|
|
|
|
// Check for an error
|
|
if (urb == NULL)
|
|
return STATUS_NO_MEMORY;
|
|
|
|
// Store the vendor request code
|
|
bRequest = buffer[0];
|
|
|
|
// Store the vendor request parameter
|
|
wValue = (buffer[1] << 8) | buffer[2];
|
|
|
|
// Create the wIndex value (Interface:Alternate)
|
|
wIndex = (interface->InterfaceNumber << 8) |
|
|
(interface->AlternateSetting);
|
|
|
|
// Use a macro in the standard USB header files to build the URB
|
|
UsbBuildVendorRequest(urb,
|
|
URB_FUNCTION_VENDOR_INTERFACE,
|
|
(USHORT) size,
|
|
USBD_TRANSFER_DIRECTION_IN |
|
|
USBD_SHORT_TRANSFER_OK,
|
|
0,
|
|
bRequest,
|
|
wValue,
|
|
wIndex,
|
|
buffer,
|
|
NULL,
|
|
length,
|
|
NULL);
|
|
|
|
//
|
|
// Timeout cancellation should happen from user mode
|
|
//
|
|
ntStatus = USBPRINT_CallUSBD(DeviceObject,urb, NULL);
|
|
|
|
// Retrieve the number of bytes read
|
|
if (NT_SUCCESS(ntStatus))
|
|
*pBytesRead = urb->UrbControlVendorClassRequest.TransferBufferLength;
|
|
|
|
// Free allocated memory
|
|
ExFreePool(urb);
|
|
|
|
// Return Success
|
|
return ntStatus;
|
|
}
|
|
|
|
/*
|
|
// -----------------------------------------------------------
|
|
// Kernel Mode Usage
|
|
// -----------------------------------------------------------
|
|
|
|
// Create the channel change request
|
|
Buffer[0] = HP_VENDOR_COMMAND_DO_SOMETHING;
|
|
Buffer[1] = HP_PARAMETER_UPPER_BYTE;
|
|
Buffer[2] = HP_PARAMETER_LOWER_BYTE;
|
|
|
|
// Send the request
|
|
status = CallDeviceIoControl(
|
|
m_pTargetDeviceObject, // the device to send the new irp to
|
|
IOCTL_HPUSB_VENDOR_GET_COMMAND, // the ioctl to send to the driver ,
|
|
Buffer, // the input buffer for the ioctl
|
|
3, // the length of the input buffer
|
|
Buffer, // the output buffer for the ioctl
|
|
1, // the length of the output buffer
|
|
FALSE, // create the irp with IRP_MJ_DEVICE_CONTROL
|
|
NULL); // use the provided completion routine
|
|
|
|
|
|
*/
|