1 /* $OpenBSD: rf_chaindecluster.h,v 1.3 2002/12/16 07:01:03 tdeval Exp $ */ 2 /* $NetBSD: rf_chaindecluster.h,v 1.3 1999/02/05 00:06:06 oster Exp $ */ 3 4 /* 5 * Copyright (c) 1995 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Khalil Amiri 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31 /* 32 * rf_chaindecluster.h 33 * Header file for Chained Declustering. 34 */ 35 36 37 #ifndef _RF__RF_CHAINDECLUSTER_H_ 38 #define _RF__RF_CHAINDECLUSTER_H_ 39 40 int rf_ConfigureChainDecluster(RF_ShutdownList_t **, RF_Raid_t *, 41 RF_Config_t *); 42 RF_ReconUnitCount_t rf_GetNumSpareRUsChainDecluster(RF_Raid_t *); 43 void rf_MapSectorChainDecluster(RF_Raid_t *, RF_RaidAddr_t, 44 RF_RowCol_t *, RF_RowCol_t *, RF_SectorNum_t *, int); 45 void rf_MapParityChainDecluster(RF_Raid_t *, RF_RaidAddr_t, 46 RF_RowCol_t *, RF_RowCol_t *, RF_SectorNum_t *, int); 47 void rf_IdentifyStripeChainDecluster(RF_Raid_t *, RF_RaidAddr_t, 48 RF_RowCol_t **, RF_RowCol_t *); 49 void rf_MapSIDToPSIDChainDecluster(RF_RaidLayout_t *, 50 RF_StripeNum_t, RF_StripeNum_t *, RF_ReconUnitNum_t *); 51 void rf_RAIDCDagSelect(RF_Raid_t *, RF_IoType_t, 52 RF_AccessStripeMap_t *, RF_VoidFuncPtr *); 53 54 #endif /* !_RF__RF_CHAINDECLUSTER_H_ */ 55