1 /* $NetBSD: rf_raid0.h,v 1.3 1999/02/05 00:06:15 oster Exp $ */ 2 /* 3 * Copyright (c) 1995 Carnegie-Mellon University. 4 * All rights reserved. 5 * 6 * Author: Mark Holland 7 * 8 * Permission to use, copy, modify and distribute this software and 9 * its documentation is hereby granted, provided that both the copyright 10 * notice and this permission notice appear in all copies of the 11 * software, derivative works or modified versions, and any portions 12 * thereof, and that both notices appear in supporting documentation. 13 * 14 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 15 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 16 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 17 * 18 * Carnegie Mellon requests users of this software to return to 19 * 20 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 21 * School of Computer Science 22 * Carnegie Mellon University 23 * Pittsburgh PA 15213-3890 24 * 25 * any improvements or extensions that they make and grant Carnegie the 26 * rights to redistribute these changes. 27 */ 28 29 /* rf_raid0.h - header file for RAID Level 0 */ 30 31 #ifndef _RF__RF_RAID0_H_ 32 #define _RF__RF_RAID0_H_ 33 34 int 35 rf_ConfigureRAID0(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr, 36 RF_Config_t * cfgPtr); 37 void 38 rf_MapSectorRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, 39 RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); 40 void 41 rf_MapParityRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, 42 RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); 43 void 44 rf_IdentifyStripeRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t addr, 45 RF_RowCol_t ** diskids, RF_RowCol_t * outRow); 46 void 47 rf_MapSIDToPSIDRAID0(RF_RaidLayout_t * layoutPtr, 48 RF_StripeNum_t stripeID, RF_StripeNum_t * psID, 49 RF_ReconUnitNum_t * which_ru); 50 void 51 rf_RAID0DagSelect(RF_Raid_t * raidPtr, RF_IoType_t type, 52 RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc); 53 int 54 rf_VerifyParityRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr, 55 RF_PhysDiskAddr_t * parityPDA, int correct_it, RF_RaidAccessFlags_t flags); 56 57 #endif /* !_RF__RF_RAID0_H_ */ 58