1999-01-26 05:33:49 +03:00
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/* $NetBSD: rf_declusterPQ.h,v 1.2 1999/01/26 02:33:55 oster Exp $ */
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1998-11-13 07:20:26 +03:00
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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: Daniel Stodolsky, Mark Holland
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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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#ifndef _RF__RF_DECLUSTERPQ_H_
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#define _RF__RF_DECLUSTERPQ_H_
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#include "rf_types.h"
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int rf_ConfigureDeclusteredPQ(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
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RF_Config_t *cfgPtr);
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int rf_GetDefaultNumFloatingReconBuffersPQ(RF_Raid_t *raidPtr);
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void rf_MapSectorDeclusteredPQ(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 rf_MapParityDeclusteredPQ(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 rf_MapQDeclusteredPQ(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 rf_IdentifyStripeDeclusteredPQ(RF_Raid_t *raidPtr, RF_RaidAddr_t addr,
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RF_RowCol_t **diskids, RF_RowCol_t *outRow);
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#endif /* !_RF__RF_DECLUSTERPQ_H_ */
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