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rf_raid5.h revision 1.6 
      1  1.6  christos /*	$NetBSD: rf_raid5.h,v 1.6 2005/12/11 12:23:37 christos Exp $	*/
      2  1.1     oster /*
      3  1.1     oster  * Copyright (c) 1995 Carnegie-Mellon University.
      4  1.1     oster  * All rights reserved.
      5  1.1     oster  *
      6  1.1     oster  * Author: Mark Holland
      7  1.1     oster  *
      8  1.1     oster  * Permission to use, copy, modify and distribute this software and
      9  1.1     oster  * its documentation is hereby granted, provided that both the copyright
     10  1.1     oster  * notice and this permission notice appear in all copies of the
     11  1.1     oster  * software, derivative works or modified versions, and any portions
     12  1.1     oster  * thereof, and that both notices appear in supporting documentation.
     13  1.1     oster  *
     14  1.1     oster  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15  1.1     oster  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     16  1.1     oster  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  1.1     oster  *
     18  1.1     oster  * Carnegie Mellon requests users of this software to return to
     19  1.1     oster  *
     20  1.1     oster  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21  1.1     oster  *  School of Computer Science
     22  1.1     oster  *  Carnegie Mellon University
     23  1.1     oster  *  Pittsburgh PA 15213-3890
     24  1.1     oster  *
     25  1.1     oster  * any improvements or extensions that they make and grant Carnegie the
     26  1.1     oster  * rights to redistribute these changes.
     27  1.1     oster  */
     28  1.1     oster 
     29  1.1     oster /* rf_raid5.h - header file for RAID Level 5 */
     30  1.1     oster 
     31  1.1     oster #ifndef _RF__RF_RAID5_H_
     32  1.1     oster #define _RF__RF_RAID5_H_
     33  1.1     oster 
     34  1.5     perry int
     35  1.3     oster rf_ConfigureRAID5(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
     36  1.3     oster     RF_Config_t * cfgPtr);
     37  1.3     oster int     rf_GetDefaultNumFloatingReconBuffersRAID5(RF_Raid_t * raidPtr);
     38  1.3     oster RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitRAID5(RF_Raid_t * raidPtr);
     39  1.5     perry void
     40  1.3     oster rf_MapSectorRAID5(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
     41  1.4     oster     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
     42  1.5     perry void
     43  1.3     oster rf_MapParityRAID5(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
     44  1.4     oster     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
     45  1.5     perry void
     46  1.3     oster rf_IdentifyStripeRAID5(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
     47  1.4     oster     RF_RowCol_t ** diskids);
     48  1.5     perry void
     49  1.3     oster rf_MapSIDToPSIDRAID5(RF_RaidLayout_t * layoutPtr,
     50  1.3     oster     RF_StripeNum_t stripeID, RF_StripeNum_t * psID,
     51  1.3     oster     RF_ReconUnitNum_t * which_ru);
     52  1.5     perry void
     53  1.3     oster rf_RaidFiveDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
     54  1.3     oster     RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
     55  1.1     oster 
     56  1.3     oster #endif				/* !_RF__RF_RAID5_H_ */
     57