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rf_declusterPQ.h revision 1.1 
      1 /*	$NetBSD: rf_declusterPQ.h,v 1.1 1998/11/13 04:20:28 oster Exp $	*/
      2 /*
      3  * Copyright (c) 1995 Carnegie-Mellon University.
      4  * All rights reserved.
      5  *
      6  * Author: Daniel Stodolsky, Mark Holland
      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 /* :
     30  * Log: rf_declusterPQ.h,v
     31  * Revision 1.13  1996/08/20 22:42:08  jimz
     32  * missing prototype of IdentifyStripeDeclusteredPQ added
     33  *
     34  * Revision 1.12  1996/07/13  00:00:59  jimz
     35  * sanitized generalized reconstruction architecture
     36  * cleaned up head sep, rbuf problems
     37  *
     38  * Revision 1.11  1996/06/10  11:55:47  jimz
     39  * Straightened out some per-array/not-per-array distinctions, fixed
     40  * a couple bugs related to confusion. Added shutdown lists. Removed
     41  * layout shutdown function (now subsumed by shutdown lists).
     42  *
     43  * Revision 1.10  1996/06/07  21:33:04  jimz
     44  * begin using consistent types for sector numbers,
     45  * stripe numbers, row+col numbers, recon unit numbers
     46  *
     47  * Revision 1.9  1996/05/27  18:56:37  jimz
     48  * more code cleanup
     49  * better typing
     50  * compiles in all 3 environments
     51  *
     52  * Revision 1.8  1996/05/24  01:59:45  jimz
     53  * another checkpoint in code cleanup for release
     54  * time to sync kernel tree
     55  *
     56  * Revision 1.7  1996/05/18  19:51:34  jimz
     57  * major code cleanup- fix syntax, make some types consistent,
     58  * add prototypes, clean out dead code, et cetera
     59  *
     60  * Revision 1.6  1995/12/01  15:59:20  root
     61  * added copyright info
     62  *
     63  * Revision 1.5  1995/11/17  19:08:23  wvcii
     64  * added prototyping to MapParity
     65  *
     66  * Revision 1.4  1995/11/07  15:30:33  wvcii
     67  * changed PQDagSelect prototype
     68  * function no longer generates numHdrSucc, numTermAnt
     69  * removed ParityLoggingDagSelect prototype
     70  *
     71  * Revision 1.3  1995/06/23  13:40:57  robby
     72  * updeated to prototypes in rf_layout.h
     73  *
     74  * Revision 1.2  1995/05/02  22:46:53  holland
     75  * minor code cleanups.
     76  *
     77  * Revision 1.1  1994/11/19  20:26:57  danner
     78  * Initial revision
     79  *
     80  */
     81 
     82 #ifndef _RF__RF_DECLUSTERPQ_H_
     83 #define _RF__RF_DECLUSTERPQ_H_
     84 
     85 #include "rf_types.h"
     86 
     87 int  rf_ConfigureDeclusteredPQ(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr,
     88 	RF_Config_t *cfgPtr);
     89 int rf_GetDefaultNumFloatingReconBuffersPQ(RF_Raid_t *raidPtr);
     90 void rf_MapSectorDeclusteredPQ(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
     91 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, int remap);
     92 void rf_MapParityDeclusteredPQ(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
     93 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, int remap);
     94 void rf_MapQDeclusteredPQ(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
     95 	RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, int remap);
     96 void rf_IdentifyStripeDeclusteredPQ(RF_Raid_t *raidPtr, RF_RaidAddr_t addr,
     97 	RF_RowCol_t **diskids, RF_RowCol_t *outRow);
     98 
     99 #endif /* !_RF__RF_DECLUSTERPQ_H_ */
    100