1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FMD_ASRU_H 28 #define _FMD_ASRU_H 29 30 #include <sys/types.h> 31 #include <pthread.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #include <fmd_api.h> 38 #include <fmd_log.h> 39 #include <fmd_list.h> 40 #include <fmd_topo.h> 41 42 /* 43 * The resource is represented by an fmd_asru_t structure and one or more 44 * fmd_asru_link_t structures. Each of the latter represents a separate 45 * unrepaired case (problem) involving the resource. There are separate 46 * reference counts for both the fmd_asru_t and fmd_asru_link_t structures, 47 * but only one lock is used (asru_lock) which protects both the parent 48 * fmd_asru_t and its associated fmd_asru_link_t structures. The FMD_ASRU_FAULTY 49 * flags in the fmd_asru_t represents the cumulative value of the associated 50 * FMD_ASRU_FAULTY flags in the fmd_asru_link_t structures (and therefore of 51 * all independant unrepaired problems that are affecting that resource). 52 */ 53 typedef struct fmd_asru { 54 struct fmd_asru *asru_next; /* next asru on hash chain */ 55 char *asru_name; /* string form of resource fmri (ro) */ 56 nvlist_t *asru_fmri; /* nvlist form of resource fmri (ro) */ 57 char *asru_root; /* directory for cache entry (ro) */ 58 char *asru_uuid; /* uuid for asru cache entry (ro) */ 59 uint_t asru_uuidlen; /* length of asru_uuid (not incl. \0) */ 60 pthread_mutex_t asru_lock; /* lock protecting remaining members */ 61 pthread_cond_t asru_cv; /* condition variable for asru_flags */ 62 uint_t asru_refs; /* reference count */ 63 uint_t asru_flags; /* flags (see below) */ 64 fmd_case_t *asru_case; /* case associated with last change */ 65 nvlist_t *asru_event; /* event associated with last change */ 66 fmd_list_t asru_list; /* linked list next/prev pointers */ 67 } fmd_asru_t; 68 69 typedef struct fmd_asru_link { 70 fmd_list_t al_list; /* linked list next/prev pointers */ 71 struct fmd_asru *al_asru; /* pointer back to parent */ 72 struct fmd_asru_link *al_asru_next; /* next link on hash chain */ 73 struct fmd_asru_link *al_case_next; /* next link on hash chain */ 74 struct fmd_asru_link *al_fru_next; /* next link on hash chain */ 75 struct fmd_asru_link *al_label_next; /* next link on hash chain */ 76 struct fmd_asru_link *al_rsrc_next; /* next link on hash chain */ 77 char *al_uuid; /* uuid for asru cache entry (ro) */ 78 uint_t al_uuidlen; /* length of al_uuid (not incl. \0) */ 79 fmd_log_t *al_log; /* persistent event log */ 80 char *al_asru_name; /* string form of asru fmri (ro) */ 81 char *al_fru_name; /* string form of fru fmri (ro) */ 82 char *al_rsrc_name; /* string form of resource fmri (ro) */ 83 char *al_label; /* label */ 84 char *al_case_uuid; /* case uuid */ 85 nvlist_t *al_asru_fmri; /* nvlist form of resource fmri (ro) */ 86 fmd_case_t *al_case; /* case associated with last change */ 87 nvlist_t *al_event; /* event associated with last change */ 88 uint_t al_refs; /* reference count */ 89 uint_t al_flags; /* flags (see below) */ 90 uint8_t al_reason; /* repair reason (see below) */ 91 } fmd_asru_link_t; 92 93 #define FMD_ASRU_FAULTY 0x01 /* asru has been diagnosed as faulty */ 94 #define FMD_ASRU_UNUSABLE 0x02 /* asru can not be used at present */ 95 #define FMD_ASRU_VALID 0x04 /* asru is initialized and valid */ 96 #define FMD_ASRU_INTERNAL 0x08 /* asru is managed by fmd itself */ 97 #define FMD_ASRU_INVISIBLE 0x10 /* asru is not visibly administered */ 98 #define FMD_ASRU_RECREATED 0x20 /* asru recreated by cache replay */ 99 #define FMD_ASRU_PRESENT 0x40 /* asru present at last R$ update */ 100 #define FMD_ASRU_DEGRADED 0x80 /* asru service is degraded */ 101 #define FMD_ASRU_PROXY 0x100 /* asru on proxy */ 102 #define FMD_ASRU_PROXY_WITH_ASRU 0x200 /* asru accessible locally on proxy */ 103 #define FMD_ASRU_PROXY_EXTERNAL 0x400 /* proxy over external transport */ 104 #define FMD_ASRU_PROXY_RDONLY 0x800 /* proxy over readonly transport */ 105 106 /* 107 * Note the following are defined in order of increasing precedence and 108 * this should not be changed 109 */ 110 #define FMD_ASRU_REMOVED 0 /* asru removed */ 111 #define FMD_ASRU_ACQUITTED 1 /* asru acquitted */ 112 #define FMD_ASRU_REPAIRED 2 /* asru repaired */ 113 #define FMD_ASRU_REPLACED 3 /* asru replaced */ 114 115 #define FMD_ASRU_STATE (FMD_ASRU_FAULTY | FMD_ASRU_UNUSABLE) 116 117 #define FMD_ASRU_AL_HASH_NAME(a, off) \ 118 *(char **)((uint8_t *)a + off) 119 #define FMD_ASRU_AL_HASH_NEXT(a, off) \ 120 *(fmd_asru_link_t **)((uint8_t *)a + off) 121 #define FMD_ASRU_AL_HASH_NEXTP(a, off) \ 122 (fmd_asru_link_t **)((uint8_t *)a + off) 123 124 typedef struct fmd_asru_hash { 125 pthread_rwlock_t ah_lock; /* r/w lock protecting hash contents */ 126 fmd_asru_t **ah_hash; /* hash bucket array for asrus */ 127 fmd_asru_link_t **ah_asru_hash; /* hash bucket array for asrus */ 128 fmd_asru_link_t **ah_case_hash; /* hash bucket array for frus */ 129 fmd_asru_link_t **ah_fru_hash; /* hash bucket array for cases */ 130 fmd_asru_link_t **ah_label_hash; /* label hash bucket array */ 131 fmd_asru_link_t **ah_rsrc_hash; /* hash bucket array for rsrcs */ 132 uint_t ah_hashlen; /* length of hash bucket array */ 133 char *ah_dirpath; /* path of hash's log file directory */ 134 uint64_t ah_lifetime; /* max lifetime of log if not present */ 135 uint_t ah_al_count; /* count of number of entries in hash */ 136 uint_t ah_count; /* count of separate rsrcs in hash */ 137 int ah_error; /* error from opening asru log */ 138 fmd_topo_t *ah_topo; /* topo handle */ 139 } fmd_asru_hash_t; 140 141 extern fmd_asru_hash_t *fmd_asru_hash_create(const char *, const char *); 142 extern void fmd_asru_hash_destroy(fmd_asru_hash_t *); 143 extern void fmd_asru_hash_refresh(fmd_asru_hash_t *); 144 extern void fmd_asru_hash_replay(fmd_asru_hash_t *); 145 146 extern void fmd_asru_hash_apply(fmd_asru_hash_t *, 147 void (*)(fmd_asru_t *, void *), void *); 148 extern void fmd_asru_al_hash_apply(fmd_asru_hash_t *, 149 void (*)(fmd_asru_link_t *, void *), void *); 150 extern void fmd_asru_hash_apply_by_asru(fmd_asru_hash_t *, char *, 151 void (*)(fmd_asru_link_t *, void *), void *); 152 extern void fmd_asru_hash_apply_by_label(fmd_asru_hash_t *, char *, 153 void (*)(fmd_asru_link_t *, void *), void *); 154 extern void fmd_asru_hash_apply_by_fru(fmd_asru_hash_t *, char *, 155 void (*)(fmd_asru_link_t *, void *), void *); 156 extern void fmd_asru_hash_apply_by_rsrc(fmd_asru_hash_t *, char *, 157 void (*)(fmd_asru_link_t *, void *), void *); 158 extern void fmd_asru_hash_apply_by_case(fmd_asru_hash_t *, fmd_case_t *, 159 void (*)(fmd_asru_link_t *, void *), void *); 160 161 extern fmd_asru_t *fmd_asru_hash_lookup_name(fmd_asru_hash_t *, const char *); 162 extern fmd_asru_link_t *fmd_asru_hash_create_entry(fmd_asru_hash_t *, 163 fmd_case_t *, nvlist_t *); 164 extern void fmd_asru_hash_release(fmd_asru_hash_t *, fmd_asru_t *); 165 extern void fmd_asru_hash_delete_case(fmd_asru_hash_t *, fmd_case_t *); 166 167 extern void fmd_asru_clear_aged_rsrcs(); 168 169 /* 170 * flags used in fara_bywhat field in fmd_asru_rep_arg_t 171 */ 172 #define FARA_ALL 0 173 #define FARA_BY_CASE 1 174 #define FARA_BY_ASRU 2 175 #define FARA_BY_FRU 3 176 #define FARA_BY_RSRC 4 177 #define FARA_BY_LABEL 5 178 179 /* 180 * The following structures are used to pass arguments to the corresponding 181 * function when walking the resource cache by case etc. 182 */ 183 typedef struct { 184 uint8_t fara_reason; /* repaired, acquit, replaced, removed */ 185 uint8_t fara_bywhat; /* whether doing a walk by case, asru, etc */ 186 int *fara_rval; /* for return success or failure */ 187 char *fara_uuid; /* uuid can be passed in for comparison */ 188 } fmd_asru_rep_arg_t; 189 extern void fmd_asru_repaired(fmd_asru_link_t *, void *); 190 191 typedef struct { 192 int *faus_countp; 193 int faus_maxcount; 194 uint8_t *faus_ba; /* received status for each suspect */ 195 uint8_t *faus_proxy_asru; /* asru on proxy for each suspect? */ 196 uint8_t *faus_diag_asru; /* asru on diag for each suspect? */ 197 boolean_t faus_is_proxy; /* are we on the proxy side? */ 198 } fmd_asru_update_status_t; 199 extern void fmd_asru_update_status(fmd_asru_link_t *alp, void *arg); 200 201 typedef struct { 202 int *fasp_countp; 203 int fasp_maxcount; 204 uint8_t *fasp_proxy_asru; /* asru on proxy for each suspect? */ 205 int fasp_proxy_external; /* is this an external transport? */ 206 int fasp_proxy_rdonly; /* is this a rdonly transport? */ 207 } fmd_asru_set_on_proxy_t; 208 extern void fmd_asru_set_on_proxy(fmd_asru_link_t *alp, void *arg); 209 210 extern void fmd_asru_update_containees(fmd_asru_link_t *alp, void *arg); 211 212 typedef struct { 213 int *facs_countp; 214 int facs_maxcount; 215 } fmd_asru_close_status_t; 216 extern void fmd_asru_close_status(fmd_asru_link_t *alp, void *arg); 217 218 extern int fmd_asru_setflags(fmd_asru_link_t *, uint_t); 219 extern int fmd_asru_clrflags(fmd_asru_link_t *, uint_t, uint8_t); 220 extern int fmd_asru_al_getstate(fmd_asru_link_t *); 221 extern int fmd_asru_getstate(fmd_asru_t *); 222 223 #ifdef __cplusplus 224 } 225 #endif 226 227 #endif /* _FMD_ASRU_H */ 228