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rf_chaindecluster.h revision 1.2 
      1 /*	$NetBSD: rf_chaindecluster.h,v 1.2 1999/01/26 02:33:51 oster 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 (at) 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 rf_ConfigureChainDecluster(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
     38 	RF_Config_t *cfgPtr);
     39 RF_ReconUnitCount_t rf_GetNumSpareRUsChainDecluster(RF_Raid_t *raidPtr);
     40 void rf_MapSectorChainDecluster(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
     41 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, int remap);
     42 void rf_MapParityChainDecluster(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 rf_IdentifyStripeChainDecluster(RF_Raid_t *raidPtr, RF_RaidAddr_t addr,
     45 	RF_RowCol_t **diskids, RF_RowCol_t *outRow);
     46 void rf_MapSIDToPSIDChainDecluster(RF_RaidLayout_t *layoutPtr,
     47 	RF_StripeNum_t stripeID, RF_StripeNum_t *psID,
     48 	RF_ReconUnitNum_t *which_ru);
     49 void rf_RAIDCDagSelect(RF_Raid_t *raidPtr, RF_IoType_t type,
     50 		       RF_AccessStripeMap_t *asmap,
     51 		       RF_VoidFuncPtr *);
     52 #if 0
     53 		       void (**createFunc)(RF_Raid_t *,
     54 					   RF_AccessStripeMap_t *,
     55 					   RF_DagHeader_t *,
     56 					   void *,
     57 					   RF_RaidAccessFlags_t,
     58 					   RF_AllocListElem_t *)
     59 );
     60 #endif
     61 
     62 #endif /* !_RF__RF_CHAINDECLUSTER_H_ */
     63