linux-vybrid_public/drivers/scsi/isci/core/sci_object.h

/*
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.GPL.
 *
 * BSD LICENSE
 *
 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

#ifndef _SCI_OBJECT_H_
#define _SCI_OBJECT_H_

/**
 * This file contains all of the method and constants associated with the SCI
 *    base object.  The SCI base object is the class from which all other
 *    objects derive in the Storage Controller Interface.
 *
 *
 */


#include "sci_status.h"

/**
 * struct sci_base_object - all core objects must include this as their
 *     first member to permit the casting below
 *
 * TODO: unwind this assumption, convert these routines and callers to pass a struct
 * sci_base_object pointer without casting, or convert 'private' to the
 * expected type per-object
 *
 */
struct sci_base_object {
	void *private;
};

static inline void *sci_object_get_association(void *obj)
{
	struct sci_base_object *base = obj;

	return base->private;
}

static inline void sci_object_set_association(void *obj, void *private)
{
	struct sci_base_object *base = obj;

	base->private = private;
}

#endif  /* _SCI_OBJECT_H_ */