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54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: rf_raid5_rotatedspare.h,v 1.3 1999/02/05 00:06:16 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Khalil Amiri
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/* rf_raid5_rotatedspare.h - header file for RAID Level 5 with rotated sparing */
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#ifndef _RF__RF_RAID5_ROTATEDSPARE_H_
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#define _RF__RF_RAID5_ROTATEDSPARE_H_
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int
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rf_ConfigureRAID5_RS(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
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RF_Config_t * cfgPtr);
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RF_ReconUnitCount_t rf_GetNumSpareRUsRAID5_RS(RF_Raid_t * raidPtr);
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void
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rf_MapSectorRAID5_RS(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
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RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
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void
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rf_MapParityRAID5_RS(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
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RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
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void
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rf_IdentifyStripeRAID5_RS(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
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RF_RowCol_t ** diskids, RF_RowCol_t * outRow);
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void
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rf_MapSIDToPSIDRAID5_RS(RF_RaidLayout_t * layoutPtr,
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RF_StripeNum_t stripeID, RF_StripeNum_t * psID,
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RF_ReconUnitNum_t * which_ru);
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#endif /* !_RF__RF_RAID5_ROTATEDSPARE_H_ */
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