1 /* $OpenBSD: rf_interdecluster.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $ */ 2 /* $NetBSD: rf_interdecluster.h,v 1.3 1999/02/05 00:06:12 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 /* rf_interdecluster.h 32 * header file for Interleaved Declustering 33 */ 34 35 #ifndef _RF__RF_INTERDECLUSTER_H_ 36 #define _RF__RF_INTERDECLUSTER_H_ 37 38 int rf_ConfigureInterDecluster(RF_ShutdownList_t **, RF_Raid_t *, 39 RF_Config_t *); 40 int rf_GetDefaultNumFloatingReconBuffersInterDecluster(RF_Raid_t *); 41 RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitInterDecluster(RF_Raid_t *); 42 RF_ReconUnitCount_t rf_GetNumSpareRUsInterDecluster(RF_Raid_t *); 43 void rf_MapSectorInterDecluster(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *, 44 RF_RowCol_t *, RF_SectorNum_t *, int); 45 void rf_MapParityInterDecluster(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *, 46 RF_RowCol_t *, RF_SectorNum_t *, int); 47 void rf_IdentifyStripeInterDecluster(RF_Raid_t *, RF_RaidAddr_t, 48 RF_RowCol_t **, RF_RowCol_t *); 49 void rf_MapSIDToPSIDInterDecluster(RF_RaidLayout_t *, RF_StripeNum_t, 50 RF_StripeNum_t *, RF_ReconUnitNum_t *); 51 void rf_RAIDIDagSelect(RF_Raid_t *, RF_IoType_t, RF_AccessStripeMap_t *, 52 RF_VoidFuncPtr *); 53 54 #endif /* !_RF__RF_INTERDECLUSTER_H_ */ 55