/*	$NetBSD: rf_raid1.h,v 1.9 2008/04/20 20:46:41 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 RAID Level 1 */

#ifndef _RF__RF_RAID1_H_
#define _RF__RF_RAID1_H_

#include <dev/raidframe/raidframevar.h>

int rf_ConfigureRAID1(RF_ShutdownList_t **, RF_Raid_t *, RF_Config_t *);
void rf_MapSectorRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *, 
		       RF_SectorNum_t *, int);
void rf_MapParityRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *,
		       RF_SectorNum_t *, int);
void rf_IdentifyStripeRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t **);
void rf_MapSIDToPSIDRAID1(RF_RaidLayout_t *, RF_StripeNum_t, RF_StripeNum_t *,
			  RF_ReconUnitNum_t *);
void rf_RAID1DagSelect(RF_Raid_t *, RF_IoType_t, RF_AccessStripeMap_t *,
		       RF_VoidFuncPtr *);
int rf_VerifyParityRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_PhysDiskAddr_t *,
			 int, RF_RaidAccessFlags_t);
int rf_SubmitReconBufferRAID1(RF_ReconBuffer_t *, int, int);
RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitRAID1(RF_Raid_t *);

#endif				/* !_RF__RF_RAID1_H_ */