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Initial revision

/*	$OpenBSD: rf_paritylogging.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $	*/
/*	$NetBSD: rf_paritylogging.h,v 1.3 1999/02/05 00:06:14 oster Exp $	*/

/*
 * Copyright (c) 1995 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: William V. Courtright II
 *
 * 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.
 */

/* Header file for Parity Logging. */

#ifndef	_RF__RF_PARITYLOGGING_H_
#define	_RF__RF_PARITYLOGGING_H_

int  rf_ConfigureParityLogging(RF_ShutdownList_t **, RF_Raid_t *,
	RF_Config_t *);
int  rf_GetDefaultNumFloatingReconBuffersParityLogging(RF_Raid_t *);
RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitParityLogging(RF_Raid_t *);
RF_RegionId_t rf_MapRegionIDParityLogging(RF_Raid_t *, RF_SectorNum_t);
void rf_MapSectorParityLogging(RF_Raid_t *, RF_RaidAddr_t,
	RF_RowCol_t *, RF_RowCol_t *, RF_SectorNum_t *, int);
void rf_MapParityParityLogging(RF_Raid_t *, RF_RaidAddr_t,
	RF_RowCol_t *, RF_RowCol_t *, RF_SectorNum_t *, int);
void rf_MapLogParityLogging(RF_Raid_t *, RF_RegionId_t, RF_SectorNum_t,
	RF_RowCol_t *, RF_RowCol_t *, RF_SectorNum_t *);
void rf_MapRegionParity(RF_Raid_t *, RF_RegionId_t,
	RF_RowCol_t *, RF_RowCol_t *, RF_SectorNum_t *, RF_SectorCount_t *);
void rf_IdentifyStripeParityLogging(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t **,
	RF_RowCol_t *);
void rf_MapSIDToPSIDParityLogging(RF_RaidLayout_t *, RF_StripeNum_t,
	RF_StripeNum_t *, RF_ReconUnitNum_t *);
void rf_ParityLoggingDagSelect(RF_Raid_t *, RF_IoType_t,
	RF_AccessStripeMap_t *, RF_VoidFuncPtr *);

#endif	/* !_RF__RF_PARITYLOGGING_H_ */