rf_dagutils.h revision 1.3.22.2
1 1.3.22.2 jdolecek /* $NetBSD: rf_dagutils.h,v 1.3.22.2 2002/10/10 18:41:46 jdolecek 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, 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 /************************************************************************* 30 1.1 oster * 31 1.1 oster * rf_dagutils.h -- header file for utility routines for manipulating DAGs 32 1.1 oster * 33 1.1 oster *************************************************************************/ 34 1.1 oster 35 1.1 oster 36 1.3.22.1 thorpej #include <dev/raidframe/raidframevar.h> 37 1.3.22.1 thorpej 38 1.1 oster #include "rf_dagfuncs.h" 39 1.1 oster #include "rf_general.h" 40 1.1 oster 41 1.1 oster #ifndef _RF__RF_DAGUTILS_H_ 42 1.1 oster #define _RF__RF_DAGUTILS_H_ 43 1.1 oster 44 1.1 oster struct RF_RedFuncs_s { 45 1.3 oster int (*regular) (RF_DagNode_t *); 46 1.3 oster char *RegularName; 47 1.3 oster int (*simple) (RF_DagNode_t *); 48 1.3 oster char *SimpleName; 49 1.1 oster }; 50 1.1 oster 51 1.1 oster extern RF_RedFuncs_t rf_xorFuncs; 52 1.1 oster extern RF_RedFuncs_t rf_xorRecoveryFuncs; 53 1.1 oster 54 1.3 oster void 55 1.3 oster rf_InitNode(RF_DagNode_t * node, RF_NodeStatus_t initstatus, 56 1.3.22.2 jdolecek int commit, 57 1.3.22.2 jdolecek int (*doFunc) (RF_DagNode_t * node), 58 1.3.22.2 jdolecek int (*undoFunc) (RF_DagNode_t * node), 59 1.3.22.2 jdolecek int (*wakeFunc) (RF_DagNode_t * node, int status), 60 1.3.22.2 jdolecek int nSucc, int nAnte, int nParam, int nResult, 61 1.3.22.2 jdolecek RF_DagHeader_t * hdr, char *name, RF_AllocListElem_t * alist); 62 1.1 oster 63 1.3.22.2 jdolecek void rf_FreeDAG(RF_DagHeader_t * dag_h); 64 1.1 oster 65 1.3.22.2 jdolecek int rf_ConfigureDAGs(RF_ShutdownList_t ** listp); 66 1.1 oster 67 1.3.22.2 jdolecek RF_DagHeader_t *rf_AllocDAGHeader(void); 68 1.1 oster 69 1.3.22.2 jdolecek void rf_FreeDAGHeader(RF_DagHeader_t * dh); 70 1.1 oster 71 1.3.22.2 jdolecek void *rf_AllocBuffer(RF_Raid_t * raidPtr, RF_DagHeader_t * dag_h, 72 1.3.22.2 jdolecek RF_PhysDiskAddr_t * pda, 73 1.3.22.2 jdolecek RF_AllocListElem_t * allocList); 74 1.1 oster 75 1.3.22.2 jdolecek char *rf_NodeStatusString(RF_DagNode_t * node); 76 1.1 oster 77 1.3.22.2 jdolecek void rf_PrintNodeInfoString(RF_DagNode_t * node); 78 1.1 oster 79 1.3.22.2 jdolecek int rf_AssignNodeNums(RF_DagHeader_t * dag_h); 80 1.1 oster 81 1.3.22.2 jdolecek int rf_RecurAssignNodeNums(RF_DagNode_t * node, int num, int unvisited); 82 1.1 oster 83 1.3.22.2 jdolecek void rf_ResetDAGHeaderPointers(RF_DagHeader_t * dag_h, 84 1.3.22.2 jdolecek RF_DagHeader_t * newptr); 85 1.1 oster 86 1.3.22.2 jdolecek void rf_RecurResetDAGHeaderPointers(RF_DagNode_t * node, 87 1.3.22.2 jdolecek RF_DagHeader_t * newptr); 88 1.1 oster 89 1.3.22.2 jdolecek void rf_PrintDAGList(RF_DagHeader_t * dag_h); 90 1.1 oster 91 1.3.22.2 jdolecek int rf_ValidateDAG(RF_DagHeader_t * dag_h); 92 1.1 oster 93 1.3.22.2 jdolecek void rf_redirect_asm(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap); 94 1.1 oster 95 1.3.22.2 jdolecek void rf_MapUnaccessedPortionOfStripe(RF_Raid_t * raidPtr, 96 1.3.22.2 jdolecek RF_RaidLayout_t * layoutPtr, 97 1.3.22.2 jdolecek RF_AccessStripeMap_t * asmap, 98 1.3.22.2 jdolecek RF_DagHeader_t * dag_h, 99 1.3.22.2 jdolecek RF_AccessStripeMapHeader_t ** new_asm_h, 100 1.3.22.2 jdolecek int *nRodNodes, char **sosBuffer, 101 1.3.22.2 jdolecek char **eosBuffer, 102 1.3.22.2 jdolecek RF_AllocListElem_t * allocList); 103 1.1 oster 104 1.3.22.2 jdolecek int rf_PDAOverlap(RF_RaidLayout_t * layoutPtr, RF_PhysDiskAddr_t * src, 105 1.3.22.2 jdolecek RF_PhysDiskAddr_t * dest); 106 1.1 oster 107 1.3.22.2 jdolecek void rf_GenerateFailedAccessASMs(RF_Raid_t * raidPtr, 108 1.3.22.2 jdolecek RF_AccessStripeMap_t * asmap, 109 1.3.22.2 jdolecek RF_PhysDiskAddr_t * failedPDA, 110 1.3.22.2 jdolecek RF_DagHeader_t * dag_h, 111 1.3.22.2 jdolecek RF_AccessStripeMapHeader_t ** new_asm_h, 112 1.3.22.2 jdolecek int *nXorBufs, char **rpBufPtr, 113 1.3.22.2 jdolecek char *overlappingPDAs, 114 1.3.22.2 jdolecek RF_AllocListElem_t * allocList); 115 1.1 oster 116 1.1 oster /* flags used by RangeRestrictPDA */ 117 1.1 oster #define RF_RESTRICT_NOBUFFER 0 118 1.1 oster #define RF_RESTRICT_DOBUFFER 1 119 1.1 oster 120 1.3.22.2 jdolecek void rf_RangeRestrictPDA(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * src, 121 1.3.22.2 jdolecek RF_PhysDiskAddr_t * dest, int dobuffer, 122 1.3.22.2 jdolecek int doraidaddr); 123 1.3.22.2 jdolecek 124 1.3.22.2 jdolecek int rf_compute_workload_shift(RF_Raid_t * raidPtr, 125 1.3.22.2 jdolecek RF_PhysDiskAddr_t * pda); 126 1.3.22.2 jdolecek void rf_SelectMirrorDiskIdle(RF_DagNode_t * node); 127 1.3.22.2 jdolecek void rf_SelectMirrorDiskPartition(RF_DagNode_t * node); 128 1.1 oster 129 1.3 oster #endif /* !_RF__RF_DAGUTILS_H_ */ 130
Indexes created Tue Sep 30 17:09:57 GMT 2025