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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _FMD_H 27 #define _FMD_H 28 29 #include <libnvpair.h> 30 #include <pthread.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <fmd_list.h> 37 #include <fmd_time.h> 38 #include <fmd_api.h> 39 40 struct fmd_conf; /* see <fmd_conf.h> */ 41 struct fmd_dispq; /* see <fmd_dispq.h> */ 42 struct fmd_timerq; /* see <fmd_timerq.h> */ 43 struct fmd_asru_hash; /* see <fmd_asru.h> */ 44 struct fmd_scheme_hash; /* see <fmd_fmri.h> */ 45 struct fmd_case_hash; /* see <fmd_case.h> */ 46 struct fmd_modhash; /* see <fmd_module.h> */ 47 struct fmd_module; /* see <fmd_module.h> */ 48 struct fmd_log; /* see <fmd_log.h> */ 49 struct fmd_idspace; /* see <fmd_idspace.h> */ 50 struct topo_hdl; /* see <fm/libtopo.h> */ 51 52 typedef struct fmd_statistics { 53 fmd_stat_t ds_log_replayed; /* number of events replayed from log */ 54 fmd_stat_t ds_log_partials; /* number of events partially commit */ 55 fmd_stat_t ds_err_enospc; /* number of events w/ ENOSPC errlog */ 56 fmd_stat_t ds_flt_enospc; /* number of events w/ ENOSPC fltlog */ 57 fmd_stat_t ds_oth_enospc; /* number of events w/ ENOSPC others */ 58 fmd_stat_t ds_dr_gen; /* dynamic reconfiguration generation */ 59 fmd_stat_t ds_topo_gen; /* topology snapshot generation */ 60 fmd_stat_t ds_topo_drgen; /* topology DR generation */ 61 } fmd_statistics_t; 62 63 typedef struct fmd { 64 const char *d_version; /* version string for fmd (see fmd.c) */ 65 const char *d_pname; /* basename to use for messages */ 66 pid_t d_pid; /* process-ID of current daemon */ 67 pthread_key_t d_key; /* key for fmd's thread-specific data */ 68 volatile int d_signal; /* signal indicating we should quit */ 69 volatile int d_running; /* flag set when fmd_run() succeeds */ 70 volatile int d_booted; /* flag set when fmd_run() completes */ 71 72 uint_t d_fmd_debug; /* mask of fmd active debugging modes */ 73 uint_t d_fmd_dbout; /* fmd debug output sinks (see below) */ 74 uint_t d_hdl_debug; /* bool indicating if hdl debug is on */ 75 uint_t d_hdl_dbout; /* hdl debug output sinks (see below) */ 76 77 char *volatile d_panicstr; /* pointer to formatted panic message */ 78 pthread_t d_panictid; /* tid of thread forcing a panic */ 79 uint_t d_panicrefs; /* number of attempts to panic */ 80 81 pthread_mutex_t d_xprt_lock; /* transport suspend lock */ 82 uint_t d_xprt_suspend; /* transport suspend count */ 83 uint_t d_xprt_ttl; /* transport default time-to-live */ 84 struct fmd_idspace *d_xprt_ids; /* transport id hash */ 85 86 const fmd_timeops_t *d_clockops; /* system clock ops vector */ 87 void *d_clockptr; /* system clock private data */ 88 89 pthread_mutex_t d_thr_lock; /* lock for d_thr_list */ 90 fmd_list_t d_thr_list; /* list of all fmd_thread_t's */ 91 void (*d_thr_trace)(); /* thread trace buffer function */ 92 int d_thr_sig; /* cached copy of client.thrsig */ 93 94 pthread_mutex_t d_mod_lock; /* lock for d_mod_list */ 95 fmd_list_t d_mod_list; /* list of modules in load order */ 96 struct fmd_modhash *d_mod_hash; /* hash of modules by base name */ 97 fmd_event_t *d_mod_event; /* boot event for module quiesce */ 98 99 uint_t d_alloc_msecs; /* initial delay time for alloc retry */ 100 uint_t d_alloc_tries; /* max # times to retry an allocation */ 101 uint_t d_str_buckets; /* def # of buckets for string hashes */ 102 103 const char *d_rootdir; /* root directory path */ 104 const char *d_platform; /* platform name (uname -i) */ 105 const char *d_machine; /* machine class name (uname -m) */ 106 const char *d_isaname; /* processor ISA name (uname -p) */ 107 108 void *d_sysev_hdl; /* legacy sysevent handle */ 109 nv_alloc_t d_nva; /* libnvpair allocator handle */ 110 nvlist_t *d_auth; /* FMRI authority nvlist */ 111 pthread_mutex_t d_topo_lock; /* lock for topo hdl */ 112 fmd_list_t d_topo_list; /* list of all topology snapshots */ 113 114 struct fmd_conf *d_conf; /* global configuration properties */ 115 uint_t d_fg; /* cached value of "fg" property */ 116 117 fmd_statistics_t *d_stats; /* root module statistics collection */ 118 pthread_mutex_t d_stats_lock; /* root module statistics lock */ 119 120 struct fmd_module *d_rmod; /* root module for fmd's main thread */ 121 struct fmd_module *d_self; /* self module for fmd's diagnosis */ 122 123 pthread_mutex_t d_err_lock; /* lock for stderr and error stats */ 124 fmd_stat_t *d_errstats; /* program-wide error statistics */ 125 126 struct fmd_timerq *d_timers; /* timer queue for module timers */ 127 struct fmd_dispq *d_disp; /* dispatch queue for incoming events */ 128 struct fmd_scheme_hash *d_schemes; /* hash of fmri scheme modules */ 129 struct fmd_asru_hash *d_asrus; /* hash of cached asru objects */ 130 struct fmd_case_hash *d_cases; /* hash of active cases */ 131 132 pthread_rwlock_t d_log_lock; /* log pointer lock (r=use, w=rotate) */ 133 struct fmd_log *d_errlog; /* log file for error events */ 134 struct fmd_log *d_fltlog; /* log file for fault events */ 135 136 pthread_rwlock_t d_hvilog_lock; /* log pointer lock (r=use, w=rotate) */ 137 struct fmd_log *d_hvilog; /* log file for hi value info events */ 138 139 pthread_rwlock_t d_ilog_lock; /* log pointer lock (r=use, w=rotate) */ 140 struct fmd_log *d_ilog; /* log file for info events */ 141 142 pthread_cond_t d_fmd_cv; /* sync startup with rpc */ 143 pthread_mutex_t d_fmd_lock; /* sync startup with rpc */ 144 } fmd_t; 145 146 /* 147 * Exit status values used for the few places within fmd where we exit(2) or 148 * return from main(). fmd only exits if a fatal error occurs during startup; 149 * if anything else happens errors are reported and we just keep trucking. 150 */ 151 #define FMD_EXIT_SUCCESS 0 /* successful execution of daemon */ 152 #define FMD_EXIT_ERROR 1 /* failed to initialize daemon */ 153 #define FMD_EXIT_USAGE 2 /* syntax error on command-line */ 154 155 /* 156 * Values associated with fmd's client.error property, stored as a uint32_t. 157 * By default, we unload bad clients; other values are for use by developers. 158 */ 159 #define FMD_CERROR_UNLOAD 0 /* unload module on error (default) */ 160 #define FMD_CERROR_STOP 1 /* stop fmd for debugger attach */ 161 #define FMD_CERROR_ABORT 2 /* abort fmd and generate core dump */ 162 163 /* 164 * Values associated with any *dbout (debug output sink) property, stored as 165 * a uint32_t. Currently we permit syslog output and stderr output. 166 */ 167 #define FMD_DBOUT_SYSLOG 0x1 /* output to syslog(LOG_DEBUG) */ 168 #define FMD_DBOUT_STDERR 0x2 /* output to stderr */ 169 170 extern const char _fmd_version[]; 171 extern fmd_t fmd; 172 173 extern void fmd_door_server(void *); 174 extern void fmd_create(fmd_t *, const char *, const char *, const char *); 175 extern void fmd_destroy(fmd_t *); 176 extern void fmd_run(fmd_t *, int); 177 extern void fmd_help(fmd_t *); 178 179 #ifdef __cplusplus 180 } 181 #endif 182 183 #endif /* _FMD_H */ 184