irplist.h

pci 底层驱动

//
//  File:   irplist.h
//  Description: declaration of class IrpList
//
//  Created:  Wed. Jan 15, 2003
//
//
// Copyright and Disclaimer:
//
//   ---------------------------------------------------------------
//   THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
//   EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
//   IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
//   PARTICULAR PURPOSE.
//
//   IN NO EVENT SHALL CONEXANT BE LIABLE TO ANY PARTY FOR DIRECT,
//   INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
//   INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE
//   AND ITS DOCUMENTATION, EVEN IF CONEXANT HAS BEEN ADVISED OF THE
//   POSSIBILITY OF SUCH DAMAGE.
//
//   Copyright (c) 2000-2001 Conexant Systems, Inc.
//
//   All Rights Reserved.
//   ---------------------------------------------------------------
//
// Module Revision Id:
//
//

#ifndef _IRP_LIST_H_
#define _IRP_LIST_H_

/////////////////////////////////////////////////////////////////////////////////////////
//Class IrpList is a list of IRPs.  This allows IRPs to be put on the tail of the list,
// removed from the head of the list, or a specific IRP may be removed from the middle
// of the list.
//
//
class IrpList
{
public:
    IrpList();

    //Adds an IRP to the end of the list
    VOID add(PIRP p_irp);
    //Gets an IRP from the head of the list
    PIRP remove();

    //Removes the specified IRP from the list
    BOOLEAN remove(PIRP p_irp);

private:
    KSPIN_LOCK _spin_lock;
    LIST_ENTRY _list_head;
};

#endif