1 1.22 oster /* $NetBSD: rf_dagutils.h,v 1.22 2021/07/23 00:54:45 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: 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 1.4 oster #include <dev/raidframe/raidframevar.h> 37 1.4 oster 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 1.21 christos void (*regular) (RF_DagNode_t *); 46 1.19 christos const char *RegularName; 47 1.21 christos void (*simple) (RF_DagNode_t *); 48 1.19 christos const char *SimpleName; 49 1.1 oster }; 50 1.1 oster 51 1.9 oster typedef struct RF_FuncList_s { 52 1.9 oster RF_VoidFuncPtr fp; 53 1.9 oster struct RF_FuncList_s *next; 54 1.9 oster } RF_FuncList_t; 55 1.9 oster 56 1.7 jdolecek extern const RF_RedFuncs_t rf_xorFuncs; 57 1.7 jdolecek extern const RF_RedFuncs_t rf_xorRecoveryFuncs; 58 1.1 oster 59 1.15 oster void rf_InitNode(RF_DagNode_t *, RF_NodeStatus_t, int, 60 1.21 christos void (*) (RF_DagNode_t *), 61 1.21 christos void (*) (RF_DagNode_t *), 62 1.21 christos void (*) (void *, int), 63 1.18 perry int, int, int, int, RF_DagHeader_t *, 64 1.19 christos const char *, RF_AllocListElem_t *); 65 1.1 oster 66 1.15 oster void rf_FreeDAG(RF_DagHeader_t *); 67 1.22 oster int rf_ConfigureDAGs(RF_ShutdownList_t **, RF_Raid_t *, RF_Config_t *); 68 1.1 oster 69 1.22 oster RF_DagHeader_t *rf_AllocDAGHeader(RF_Raid_t *); 70 1.22 oster void rf_FreeDAGHeader(RF_Raid_t *raidPtr, RF_DagHeader_t * dh); 71 1.1 oster 72 1.22 oster RF_DagNode_t *rf_AllocDAGNode(RF_Raid_t *); 73 1.22 oster void rf_FreeDAGNode(RF_Raid_t *, RF_DagNode_t *); 74 1.11 oster 75 1.22 oster RF_DagList_t *rf_AllocDAGList(RF_Raid_t *); 76 1.22 oster void rf_FreeDAGList(RF_Raid_t *, RF_DagList_t *); 77 1.8 oster 78 1.22 oster void *rf_AllocDAGPCache(RF_Raid_t *); 79 1.22 oster void rf_FreeDAGPCache(RF_Raid_t *, void *); 80 1.12 oster 81 1.22 oster RF_FuncList_t *rf_AllocFuncList(RF_Raid_t *); 82 1.22 oster void rf_FreeFuncList(RF_Raid_t *, RF_FuncList_t *); 83 1.9 oster 84 1.17 oster void *rf_AllocBuffer(RF_Raid_t *, RF_DagHeader_t *, int); 85 1.13 oster void *rf_AllocIOBuffer(RF_Raid_t *, int); 86 1.17 oster void rf_FreeIOBuffer(RF_Raid_t *, RF_VoidPointerListElem_t *); 87 1.17 oster void *rf_AllocStripeBuffer(RF_Raid_t *, RF_DagHeader_t *, int); 88 1.17 oster void rf_FreeStripeBuffer(RF_Raid_t *, RF_VoidPointerListElem_t *); 89 1.1 oster 90 1.15 oster char *rf_NodeStatusString(RF_DagNode_t *); 91 1.15 oster void rf_PrintNodeInfoString(RF_DagNode_t *); 92 1.15 oster int rf_AssignNodeNums(RF_DagHeader_t *); 93 1.15 oster int rf_RecurAssignNodeNums(RF_DagNode_t *, int, int); 94 1.15 oster void rf_ResetDAGHeaderPointers(RF_DagHeader_t *, RF_DagHeader_t *); 95 1.15 oster void rf_RecurResetDAGHeaderPointers(RF_DagNode_t *, RF_DagHeader_t *); 96 1.15 oster void rf_PrintDAGList(RF_DagHeader_t *); 97 1.15 oster int rf_ValidateDAG(RF_DagHeader_t *); 98 1.15 oster void rf_redirect_asm(RF_Raid_t *, RF_AccessStripeMap_t *); 99 1.15 oster void rf_MapUnaccessedPortionOfStripe(RF_Raid_t *, RF_RaidLayout_t *, 100 1.15 oster RF_AccessStripeMap_t *, RF_DagHeader_t *, 101 1.15 oster RF_AccessStripeMapHeader_t **, int *, 102 1.15 oster char **, char **, RF_AllocListElem_t *); 103 1.15 oster int rf_PDAOverlap(RF_RaidLayout_t *, RF_PhysDiskAddr_t *, RF_PhysDiskAddr_t *); 104 1.15 oster void rf_GenerateFailedAccessASMs(RF_Raid_t *, RF_AccessStripeMap_t *, 105 1.18 perry RF_PhysDiskAddr_t *, RF_DagHeader_t *, 106 1.15 oster RF_AccessStripeMapHeader_t **, 107 1.15 oster int *, char **, char *, RF_AllocListElem_t *); 108 1.1 oster 109 1.1 oster /* flags used by RangeRestrictPDA */ 110 1.1 oster #define RF_RESTRICT_NOBUFFER 0 111 1.1 oster #define RF_RESTRICT_DOBUFFER 1 112 1.1 oster 113 1.18 perry void rf_RangeRestrictPDA(RF_Raid_t *, RF_PhysDiskAddr_t *, 114 1.15 oster RF_PhysDiskAddr_t *, int, int); 115 1.15 oster 116 1.15 oster int rf_compute_workload_shift(RF_Raid_t *, RF_PhysDiskAddr_t *); 117 1.15 oster void rf_SelectMirrorDiskIdle(RF_DagNode_t *); 118 1.15 oster void rf_SelectMirrorDiskPartition(RF_DagNode_t *); 119 1.1 oster 120 1.3 oster #endif /* !_RF__RF_DAGUTILS_H_ */ 121
Indexes created Sun Sep 21 16:09:51 GMT 2025