rf_paritylogging.h revision 1.1
1 /* $NetBSD: rf_paritylogging.h,v 1.1 1998/11/13 04:20:32 oster Exp $ */ 2 /* 3 * Copyright (c) 1995 Carnegie-Mellon University. 4 * All rights reserved. 5 * 6 * Author: William V. Courtright II 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 /* header file for Parity Logging */ 30 31 /* 32 * : 33 * Log: rf_paritylogging.h,v 34 * Revision 1.22 1996/07/27 23:36:08 jimz 35 * Solaris port of simulator 36 * 37 * Revision 1.21 1996/07/13 00:00:59 jimz 38 * sanitized generalized reconstruction architecture 39 * cleaned up head sep, rbuf problems 40 * 41 * Revision 1.20 1996/06/10 11:55:47 jimz 42 * Straightened out some per-array/not-per-array distinctions, fixed 43 * a couple bugs related to confusion. Added shutdown lists. Removed 44 * layout shutdown function (now subsumed by shutdown lists). 45 * 46 * Revision 1.19 1996/06/07 22:26:27 jimz 47 * type-ify which_ru (RF_ReconUnitNum_t) 48 * 49 * Revision 1.18 1996/06/07 21:33:04 jimz 50 * begin using consistent types for sector numbers, 51 * stripe numbers, row+col numbers, recon unit numbers 52 * 53 * Revision 1.17 1996/06/03 23:28:26 jimz 54 * more bugfixes 55 * check in tree to sync for IPDS runs with current bugfixes 56 * there still may be a problem with threads in the script test 57 * getting I/Os stuck- not trivially reproducible (runs ~50 times 58 * in a row without getting stuck) 59 * 60 * Revision 1.16 1996/06/02 17:31:48 jimz 61 * Moved a lot of global stuff into array structure, where it belongs. 62 * Fixed up paritylogging, pss modules in this manner. Some general 63 * code cleanup. Removed lots of dead code, some dead files. 64 * 65 * Revision 1.15 1996/05/31 22:26:54 jimz 66 * fix a lot of mapping problems, memory allocation problems 67 * found some weird lock issues, fixed 'em 68 * more code cleanup 69 * 70 * Revision 1.14 1996/05/27 18:56:37 jimz 71 * more code cleanup 72 * better typing 73 * compiles in all 3 environments 74 * 75 * Revision 1.13 1996/05/24 01:59:45 jimz 76 * another checkpoint in code cleanup for release 77 * time to sync kernel tree 78 * 79 * Revision 1.12 1996/05/18 19:51:34 jimz 80 * major code cleanup- fix syntax, make some types consistent, 81 * add prototypes, clean out dead code, et cetera 82 * 83 * Revision 1.11 1995/12/06 20:56:25 wvcii 84 * added prototypes 85 * 86 * Revision 1.10 1995/11/30 16:06:58 wvcii 87 * added copyright info 88 * 89 * Revision 1.9 1995/11/17 19:53:08 wvcii 90 * fixed bug in MapParityRegion prototype 91 * 92 * Revision 1.8 1995/11/17 19:09:24 wvcii 93 * added prototypint to MapParity 94 * 95 * Revision 1.7 1995/11/07 15:28:17 wvcii 96 * changed ParityLoggingDagSelect prototype 97 * function no longer generates numHdrSucc, numTermAnt 98 * 99 * Revision 1.6 1995/07/07 00:16:50 wvcii 100 * this version free from deadlock, fails parity verification 101 * 102 * Revision 1.5 1995/06/23 13:39:44 robby 103 * updeated to prototypes in rf_layout.h 104 * 105 */ 106 107 #ifndef _RF__RF_PARITYLOGGING_H_ 108 #define _RF__RF_PARITYLOGGING_H_ 109 110 int rf_ConfigureParityLogging(RF_ShutdownList_t **listp, RF_Raid_t *raidPtr, 111 RF_Config_t *cfgPtr); 112 int rf_GetDefaultNumFloatingReconBuffersParityLogging(RF_Raid_t *raidPtr); 113 RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitParityLogging(RF_Raid_t *raidPtr); 114 RF_RegionId_t rf_MapRegionIDParityLogging(RF_Raid_t *raidPtr, 115 RF_SectorNum_t address); 116 void rf_MapSectorParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector, 117 RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, 118 int remap); 119 void rf_MapParityParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector, 120 RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, 121 int remap); 122 void rf_MapLogParityLogging(RF_Raid_t *raidPtr, RF_RegionId_t regionID, 123 RF_SectorNum_t regionOffset, RF_RowCol_t *row, RF_RowCol_t *col, 124 RF_SectorNum_t *startSector); 125 void rf_MapRegionParity(RF_Raid_t *raidPtr, RF_RegionId_t regionID, 126 RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *startSector, 127 RF_SectorCount_t *numSector); 128 void rf_IdentifyStripeParityLogging(RF_Raid_t *raidPtr, RF_RaidAddr_t addr, 129 RF_RowCol_t **diskids, RF_RowCol_t *outRow); 130 void rf_MapSIDToPSIDParityLogging(RF_RaidLayout_t *layoutPtr, 131 RF_StripeNum_t stripeID, RF_StripeNum_t *psID, 132 RF_ReconUnitNum_t *which_ru); 133 void rf_ParityLoggingDagSelect(RF_Raid_t *raidPtr, RF_IoType_t type, 134 RF_AccessStripeMap_t *asmap, RF_VoidFuncPtr *createFunc); 135 136 #endif /* !_RF__RF_PARITYLOGGING_H_ */ 137
Indexes created Wed Oct 01 12:09:54 GMT 2025