/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.system.resource;
/**
* Interface of Manager or Direct Memory Access resources.
*
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public interface DMAManager {
/**
* Name used to bind this service into the Initial Namespace
*/
public static final Class<DMAManager> NAME = DMAManager.class; //"system/DMAService";
/**
* Claim a DMA channel identified by the given number.
*
* @param owner
* @param dmanr
* @return The claimed resource
* @throws IllegalArgumentException Invalid dmanr
* @throws ResourceNotFreeException Requested DMA channel is in use
*/
public DMAResource claimDMAChannel(ResourceOwner owner, int dmanr)
throws IllegalArgumentException, ResourceNotFreeException;
}