| 1 | /* $NetBSD: rf_chaindecluster.h,v 1.7 2005/12/11 12:23:37 christos Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 1995 Carnegie-Mellon University. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Author: Khalil Amiri |
| 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_chaindecluster.h |
| 30 | * header file for Chained Declustering |
| 31 | */ |
| 32 | |
| 33 | |
| 34 | #ifndef _RF__RF_CHAINDECLUSTER_H_ |
| 35 | #define _RF__RF_CHAINDECLUSTER_H_ |
| 36 | |
| 37 | int |
| 38 | rf_ConfigureChainDecluster(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr, |
| 39 | RF_Config_t * cfgPtr); |
| 40 | RF_ReconUnitCount_t rf_GetNumSpareRUsChainDecluster(RF_Raid_t * raidPtr); |
| 41 | void |
| 42 | rf_MapSectorChainDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, |
| 43 | RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); |
| 44 | void |
| 45 | rf_MapParityChainDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, |
| 46 | RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); |
| 47 | void |
| 48 | rf_IdentifyStripeChainDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t addr, |
| 49 | RF_RowCol_t ** diskids); |
| 50 | void |
| 51 | rf_MapSIDToPSIDChainDecluster(RF_RaidLayout_t * layoutPtr, |
| 52 | RF_StripeNum_t stripeID, RF_StripeNum_t * psID, |
| 53 | RF_ReconUnitNum_t * which_ru); |
| 54 | void |
| 55 | rf_RAIDCDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type, |
| 56 | RF_AccessStripeMap_t * asmap, |
| 57 | RF_VoidFuncPtr *); |
| 58 | #if 0 |
| 59 | void (**createFunc) (RF_Raid_t *, |
| 60 | RF_AccessStripeMap_t *, |
| 61 | RF_DagHeader_t *, |
| 62 | void *, |
| 63 | RF_RaidAccessFlags_t, |
| 64 | RF_AllocListElem_t *); |
| 65 | #endif |
| 66 | |
| 67 | #endif /* !_RF__RF_CHAINDECLUSTER_H_ */ |
| 68 | |