70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/* $NetBSD: rf_paritylogging.h,v 1.6 2005/12/11 12:23:37 christos 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: William V. Courtright II
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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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/* header file for Parity Logging */
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#ifndef _RF__RF_PARITYLOGGING_H_
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#define _RF__RF_PARITYLOGGING_H_
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int
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rf_ConfigureParityLogging(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
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RF_Config_t * cfgPtr);
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int rf_GetDefaultNumFloatingReconBuffersParityLogging(RF_Raid_t * raidPtr);
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RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitParityLogging(RF_Raid_t * raidPtr);
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RF_RegionId_t
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rf_MapRegionIDParityLogging(RF_Raid_t * raidPtr,
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RF_SectorNum_t address);
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void
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rf_MapSectorParityLogging(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
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RF_RowCol_t * col, RF_SectorNum_t * diskSector,
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int remap);
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void
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rf_MapParityParityLogging(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
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RF_RowCol_t * col, RF_SectorNum_t * diskSector,
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int remap);
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void
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rf_MapLogParityLogging(RF_Raid_t * raidPtr, RF_RegionId_t regionID,
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RF_SectorNum_t regionOffset, RF_RowCol_t * col,
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RF_SectorNum_t * startSector);
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void
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rf_MapRegionParity(RF_Raid_t * raidPtr, RF_RegionId_t regionID,
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RF_RowCol_t * col, RF_SectorNum_t * startSector,
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RF_SectorCount_t * numSector);
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void
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rf_IdentifyStripeParityLogging(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
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RF_RowCol_t ** diskids);
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void
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rf_MapSIDToPSIDParityLogging(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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void
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rf_ParityLoggingDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
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RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
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#endif /* !_RF__RF_PARITYLOGGING_H_ */
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