1 /* $NetBSD: rf_evenodd.h,v 1.2 1999/02/05 00:06:11 oster Exp $ */ 2 /* 3 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 4 * All rights reserved. 5 * 6 * Author: Chang-Ming Wu 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 #ifndef _RF__RF_EVENODD_H_ 30 #define _RF__RF_EVENODD_H_ 31 32 /* extern declerations of the failure mode functions. */ 33 int 34 rf_ConfigureEvenOdd(RF_ShutdownList_t ** shutdownListp, RF_Raid_t * raidPtr, 35 RF_Config_t * cfgPtr); 36 int rf_GetDefaultNumFloatingReconBuffersEvenOdd(RF_Raid_t * raidPtr); 37 RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitEvenOdd(RF_Raid_t * raidPtr); 38 void 39 rf_IdentifyStripeEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t addr, 40 RF_RowCol_t ** diskids, RF_RowCol_t * outrow); 41 void 42 rf_MapParityEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, 43 RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); 44 void 45 rf_MapEEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, 46 RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); 47 void 48 rf_EODagSelect(RF_Raid_t * raidPtr, RF_IoType_t type, 49 RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc); 50 int 51 rf_VerifyParityEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr, 52 RF_PhysDiskAddr_t * parityPDA, int correct_it, RF_RaidAccessFlags_t flags); 53 54 #endif /* !_RF__RF_EVENODD_H_ */ 55