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/* $FreeBSD$ */
/* $NetBSD: rf_chaindecluster.h,v 1.4 2001/01/26 04:14:14 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Khalil Amiri
*
* 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.
*/
/* rf_chaindecluster.h
* header file for Chained Declustering
*/
#ifndef _RF__RF_CHAINDECLUSTER_H_
#define _RF__RF_CHAINDECLUSTER_H_
int
rf_ConfigureChainDecluster(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
RF_Config_t * cfgPtr);
RF_ReconUnitCount_t rf_GetNumSpareRUsChainDecluster(RF_Raid_t * raidPtr);
void
rf_MapSectorChainDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_MapParityChainDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_IdentifyStripeChainDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
RF_RowCol_t ** diskids, RF_RowCol_t * outRow);
void
rf_MapSIDToPSIDChainDecluster(RF_RaidLayout_t * layoutPtr,
RF_StripeNum_t stripeID, RF_StripeNum_t * psID,
RF_ReconUnitNum_t * which_ru);
void
rf_RAIDCDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
RF_AccessStripeMap_t * asmap,
RF_VoidFuncPtr *);
#if 0
void (**createFunc) (RF_Raid_t *,
RF_AccessStripeMap_t *,
RF_DagHeader_t *,
void *,
RF_RaidAccessFlags_t,
RF_AllocListElem_t *);
#endif
#endif /* !_RF__RF_CHAINDECLUSTER_H_ */
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