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rf_paritylogging.h revision 1.2 
      1  1.2  oster /*	$NetBSD: rf_paritylogging.h,v 1.2 1999/01/26 02:34:00 oster 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: William V. Courtright II
      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 /* header file for Parity Logging */
     30  1.1  oster 
     31  1.1  oster #ifndef _RF__RF_PARITYLOGGING_H_
     32  1.1  oster #define _RF__RF_PARITYLOGGING_H_
     33  1.1  oster 
     34  1.1  oster int  rf_ConfigureParityLogging(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
     35  1.1  oster 	RF_Config_t *cfgPtr);
     36  1.1  oster int rf_GetDefaultNumFloatingReconBuffersParityLogging(RF_Raid_t *raidPtr);
     37  1.1  oster RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitParityLogging(RF_Raid_t *raidPtr);
     38  1.1  oster RF_RegionId_t rf_MapRegionIDParityLogging(RF_Raid_t *raidPtr,
     39  1.1  oster 	RF_SectorNum_t address);
     40  1.1  oster void rf_MapSectorParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
     41  1.1  oster 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector,
     42  1.1  oster 	int remap);
     43  1.1  oster void rf_MapParityParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
     44  1.1  oster 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector,
     45  1.1  oster 	int remap);
     46  1.1  oster void rf_MapLogParityLogging(RF_Raid_t *raidPtr, RF_RegionId_t regionID,
     47  1.1  oster 	RF_SectorNum_t regionOffset, RF_RowCol_t *row, RF_RowCol_t *col,
     48  1.1  oster 	RF_SectorNum_t *startSector);
     49  1.1  oster void rf_MapRegionParity(RF_Raid_t *raidPtr, RF_RegionId_t regionID,
     50  1.1  oster 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *startSector,
     51  1.1  oster 	RF_SectorCount_t *numSector);
     52  1.1  oster void rf_IdentifyStripeParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t addr,
     53  1.1  oster 	RF_RowCol_t **diskids, RF_RowCol_t *outRow);
     54  1.1  oster void rf_MapSIDToPSIDParityLogging(RF_RaidLayout_t *layoutPtr,
     55  1.1  oster 	RF_StripeNum_t stripeID, RF_StripeNum_t *psID,
     56  1.1  oster 	RF_ReconUnitNum_t *which_ru);
     57  1.1  oster void rf_ParityLoggingDagSelect(RF_Raid_t *raidPtr, RF_IoType_t type,
     58  1.1  oster 	RF_AccessStripeMap_t *asmap, RF_VoidFuncPtr *createFunc);
     59  1.1  oster 
     60  1.1  oster #endif /* !_RF__RF_PARITYLOGGING_H_ */
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