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Initial revision

/*	$OpenBSD: rf_pqdeg.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $	*/
/*	$NetBSD: rf_pqdeg.h,v 1.3 1999/02/05 00:06:15 oster Exp $	*/

/*
 * Copyright (c) 1995 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Daniel Stodolsky
 *
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#ifndef	_RF__RF_PQDEG_H_
#define	_RF__RF_PQDEG_H_

#include "rf_types.h"

#if	RF_UTILITY == 0
#include "rf_dag.h"

/*
 * Extern decl's of the failure mode PQ functions.
 * See pddeg.c for nomenclature discussion.
 */

/* Reads, single failure. */
RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateReadDAG);
/* Reads, two failures. */
RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateReadDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateReadDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateReadDAG);

/* Writes, single failure. */
RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateSmallWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateLargeWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateSmallWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateLargeWriteDAG);

/* Writes, double failures. */
RF_CREATE_DAG_FUNC_DECL(rf_PQ_011_CreateWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateWriteDAG);
RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateWriteDAG);
#endif	/* RF_UTILITY == 0 */

typedef	RF_uint32	RF_ua32_t[32];
typedef	RF_uint8	RF_ua1024_t[1024];

extern RF_ua32_t rf_rn;
extern RF_ua32_t rf_qfor[32];
#ifndef	_KERNEL			/*
				 * We don't support PQ in the kernel yet, so
				 * don't link in this monster table.
				 */
extern RF_ua1024_t rf_qinv[29 * 29];
#else	/* !_KERNEL */
extern RF_ua1024_t rf_qinv[1];
#endif	/* !_KERNEL */

#endif	/* !_RF__RF_PQDEG_H_ */