/*      $NetBSD: rf_raid0.h,v 1.6 2005/12/11 12:23:37 christos Exp $    */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* 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  [email protected]
*  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.
*/

/* rf_raid0.h - header file for RAID Level 0 */

#ifndef _RF__RF_RAID0_H_
#define _RF__RF_RAID0_H_

int
rf_ConfigureRAID0(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
   RF_Config_t * cfgPtr);
void
rf_MapSectorRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
   RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_MapParityRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
   RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_IdentifyStripeRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
   RF_RowCol_t ** diskids);
void
rf_MapSIDToPSIDRAID0(RF_RaidLayout_t * layoutPtr,
   RF_StripeNum_t stripeID, RF_StripeNum_t * psID,
   RF_ReconUnitNum_t * which_ru);
void
rf_RAID0DagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
   RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
int
rf_VerifyParityRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr,
   RF_PhysDiskAddr_t * parityPDA, int correct_it, RF_RaidAccessFlags_t flags);

#endif                          /* !_RF__RF_RAID0_H_ */