/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _FMD_ASRU_H #define _FMD_ASRU_H #include #include #ifdef __cplusplus extern "C" { #endif #include #include #include #include /* * The resource is represented by an fmd_asru_t structure and one or more * fmd_asru_link_t structures. Each of the latter represents a separate * unrepaired case (problem) involving the resource. There are separate * reference counts for both the fmd_asru_t and fmd_asru_link_t structures, * but only one lock is used (asru_lock) which protects both the parent * fmd_asru_t and its associated fmd_asru_link_t structures. The FMD_ASRU_FAULTY * flags in the fmd_asru_t represents the cumulative value of the associated * FMD_ASRU_FAULTY flags in the fmd_asru_link_t structures (and therefore of * all independant unrepaired problems that are affecting that resource). */ typedef struct fmd_asru { struct fmd_asru *asru_next; /* next asru on hash chain */ char *asru_name; /* string form of resource fmri (ro) */ nvlist_t *asru_fmri; /* nvlist form of resource fmri (ro) */ char *asru_root; /* directory for cache entry (ro) */ char *asru_uuid; /* uuid for asru cache entry (ro) */ uint_t asru_uuidlen; /* length of asru_uuid (not incl. \0) */ pthread_mutex_t asru_lock; /* lock protecting remaining members */ pthread_cond_t asru_cv; /* condition variable for asru_flags */ uint_t asru_refs; /* reference count */ uint_t asru_flags; /* flags (see below) */ fmd_case_t *asru_case; /* case associated with last change */ nvlist_t *asru_event; /* event associated with last change */ fmd_list_t asru_list; /* linked list next/prev pointers */ } fmd_asru_t; typedef struct fmd_asru_link { fmd_list_t al_list; /* linked list next/prev pointers */ struct fmd_asru *al_asru; /* pointer back to parent */ struct fmd_asru_link *al_asru_next; /* next link on hash chain */ struct fmd_asru_link *al_case_next; /* next link on hash chain */ struct fmd_asru_link *al_fru_next; /* next link on hash chain */ struct fmd_asru_link *al_label_next; /* next link on hash chain */ struct fmd_asru_link *al_rsrc_next; /* next link on hash chain */ char *al_uuid; /* uuid for asru cache entry (ro) */ uint_t al_uuidlen; /* length of al_uuid (not incl. \0) */ fmd_log_t *al_log; /* persistent event log */ char *al_asru_name; /* string form of asru fmri (ro) */ char *al_fru_name; /* string form of fru fmri (ro) */ char *al_rsrc_name; /* string form of resource fmri (ro) */ char *al_label; /* label */ char *al_case_uuid; /* case uuid */ nvlist_t *al_asru_fmri; /* nvlist form of resource fmri (ro) */ fmd_case_t *al_case; /* case associated with last change */ nvlist_t *al_event; /* event associated with last change */ uint_t al_refs; /* reference count */ uint_t al_flags; /* flags (see below) */ uint8_t al_reason; /* repair reason (see below) */ } fmd_asru_link_t; #define FMD_ASRU_FAULTY 0x01 /* asru has been diagnosed as faulty */ #define FMD_ASRU_UNUSABLE 0x02 /* asru can not be used at present */ #define FMD_ASRU_VALID 0x04 /* asru is initialized and valid */ #define FMD_ASRU_INTERNAL 0x08 /* asru is managed by fmd itself */ #define FMD_ASRU_INVISIBLE 0x10 /* asru is not visibly administered */ #define FMD_ASRU_RECREATED 0x20 /* asru recreated by cache replay */ #define FMD_ASRU_PRESENT 0x40 /* asru present at last R$ update */ #define FMD_ASRU_DEGRADED 0x80 /* asru service is degraded */ #define FMD_ASRU_PROXY 0x100 /* asru on proxy */ #define FMD_ASRU_PROXY_WITH_ASRU 0x200 /* asru accessible locally on proxy */ #define FMD_ASRU_PROXY_EXTERNAL 0x400 /* proxy over external transport */ #define FMD_ASRU_PROXY_RDONLY 0x800 /* proxy over readonly transport */ /* * Note the following are defined in order of increasing precedence and * this should not be changed */ #define FMD_ASRU_REMOVED 0 /* asru removed */ #define FMD_ASRU_ACQUITTED 1 /* asru acquitted */ #define FMD_ASRU_REPAIRED 2 /* asru repaired */ #define FMD_ASRU_REPLACED 3 /* asru replaced */ #define FMD_ASRU_STATE (FMD_ASRU_FAULTY | FMD_ASRU_UNUSABLE) #define FMD_ASRU_AL_HASH_NAME(a, off) \ *(char **)((uint8_t *)a + off) #define FMD_ASRU_AL_HASH_NEXT(a, off) \ *(fmd_asru_link_t **)((uint8_t *)a + off) #define FMD_ASRU_AL_HASH_NEXTP(a, off) \ (fmd_asru_link_t **)((uint8_t *)a + off) typedef struct fmd_asru_hash { pthread_rwlock_t ah_lock; /* r/w lock protecting hash contents */ fmd_asru_t **ah_hash; /* hash bucket array for asrus */ fmd_asru_link_t **ah_asru_hash; /* hash bucket array for asrus */ fmd_asru_link_t **ah_case_hash; /* hash bucket array for frus */ fmd_asru_link_t **ah_fru_hash; /* hash bucket array for cases */ fmd_asru_link_t **ah_label_hash; /* label hash bucket array */ fmd_asru_link_t **ah_rsrc_hash; /* hash bucket array for rsrcs */ uint_t ah_hashlen; /* length of hash bucket array */ char *ah_dirpath; /* path of hash's log file directory */ uint64_t ah_lifetime; /* max lifetime of log if not present */ uint_t ah_al_count; /* count of number of entries in hash */ uint_t ah_count; /* count of separate rsrcs in hash */ int ah_error; /* error from opening asru log */ fmd_topo_t *ah_topo; /* topo handle */ } fmd_asru_hash_t; extern fmd_asru_hash_t *fmd_asru_hash_create(const char *, const char *); extern void fmd_asru_hash_destroy(fmd_asru_hash_t *); extern void fmd_asru_hash_refresh(fmd_asru_hash_t *); extern void fmd_asru_hash_replay(fmd_asru_hash_t *); extern void fmd_asru_hash_apply(fmd_asru_hash_t *, void (*)(fmd_asru_t *, void *), void *); extern void fmd_asru_al_hash_apply(fmd_asru_hash_t *, void (*)(fmd_asru_link_t *, void *), void *); extern void fmd_asru_hash_apply_by_asru(fmd_asru_hash_t *, const char *, void (*)(fmd_asru_link_t *, void *), void *); extern void fmd_asru_hash_apply_by_label(fmd_asru_hash_t *, const char *, void (*)(fmd_asru_link_t *, void *), void *); extern void fmd_asru_hash_apply_by_fru(fmd_asru_hash_t *, const char *, void (*)(fmd_asru_link_t *, void *), void *); extern void fmd_asru_hash_apply_by_rsrc(fmd_asru_hash_t *, const char *, void (*)(fmd_asru_link_t *, void *), void *); extern void fmd_asru_hash_apply_by_case(fmd_asru_hash_t *, fmd_case_t *, void (*)(fmd_asru_link_t *, void *), void *); extern fmd_asru_t *fmd_asru_hash_lookup_name(fmd_asru_hash_t *, const char *); extern fmd_asru_link_t *fmd_asru_hash_create_entry(fmd_asru_hash_t *, fmd_case_t *, nvlist_t *); extern void fmd_asru_hash_release(fmd_asru_hash_t *, fmd_asru_t *); extern void fmd_asru_hash_delete_case(fmd_asru_hash_t *, fmd_case_t *); extern void fmd_asru_clear_aged_rsrcs(); /* * flags used in fara_bywhat field in fmd_asru_rep_arg_t */ #define FARA_ALL 0 #define FARA_BY_CASE 1 #define FARA_BY_ASRU 2 #define FARA_BY_FRU 3 #define FARA_BY_RSRC 4 #define FARA_BY_LABEL 5 /* * Return values for fmd_asru_repaired. May return "ok" or "not replaced". * If no fault is found we will get default value of "not found". */ #define FARA_OK 0 #define FARA_ERR_RSRCNOTF 1 #define FARA_ERR_RSRCNOTR 2 /* * The following structures are used to pass arguments to the corresponding * function when walking the resource cache by case etc. */ typedef struct { uint8_t fara_reason; /* repaired, acquit, replaced, removed */ uint8_t fara_bywhat; /* whether doing a walk by case, asru, etc */ int *fara_rval; /* for return success or failure */ char *fara_uuid; /* uuid can be passed in for comparison */ } fmd_asru_rep_arg_t; extern void fmd_asru_repaired(fmd_asru_link_t *, void *); extern void fmd_asru_flush(fmd_asru_link_t *, void *); typedef struct { int *faus_countp; int faus_maxcount; uint8_t *faus_ba; /* received status for each suspect */ uint8_t *faus_proxy_asru; /* asru on proxy for each suspect? */ uint8_t *faus_diag_asru; /* asru on diag for each suspect? */ boolean_t faus_is_proxy; /* are we on the proxy side? */ } fmd_asru_update_status_t; extern void fmd_asru_update_status(fmd_asru_link_t *alp, void *arg); typedef struct { int *fasp_countp; int fasp_maxcount; uint8_t *fasp_proxy_asru; /* asru on proxy for each suspect? */ int fasp_proxy_external; /* is this an external transport? */ int fasp_proxy_rdonly; /* is this a rdonly transport? */ } fmd_asru_set_on_proxy_t; extern void fmd_asru_set_on_proxy(fmd_asru_link_t *alp, void *arg); extern void fmd_asru_update_containees(fmd_asru_link_t *alp, void *arg); typedef struct { int *facs_countp; int facs_maxcount; } fmd_asru_close_status_t; extern void fmd_asru_close_status(fmd_asru_link_t *alp, void *arg); extern int fmd_asru_setflags(fmd_asru_link_t *, uint_t); extern int fmd_asru_clrflags(fmd_asru_link_t *, uint_t, uint8_t); extern void fmd_asru_log_resolved(fmd_asru_link_t *, void *); extern int fmd_asru_al_getstate(fmd_asru_link_t *); extern int fmd_asru_getstate(fmd_asru_t *); extern void fmd_asru_check_if_aged(fmd_asru_link_t *, void *); void fmd_asru_most_recent(fmd_asru_link_t *, void *); #ifdef __cplusplus } #endif #endif /* _FMD_ASRU_H */