17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 22d9638e54Smws 237c478bd9Sstevel@tonic-gate /* 24*e4586ebfSmws * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 257c478bd9Sstevel@tonic-gate * Use is subject to license terms. 267c478bd9Sstevel@tonic-gate */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 317c478bd9Sstevel@tonic-gate #include <sys/utsname.h> 327c478bd9Sstevel@tonic-gate #include <sys/param.h> 337c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 347c478bd9Sstevel@tonic-gate #include <sys/fm/util.h> 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate #include <limits.h> 377c478bd9Sstevel@tonic-gate #include <unistd.h> 387c478bd9Sstevel@tonic-gate #include <signal.h> 397c478bd9Sstevel@tonic-gate #include <stdlib.h> 407c478bd9Sstevel@tonic-gate #include <stdio.h> 41d9638e54Smws #include <door.h> 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate #include <fmd_conf.h> 447c478bd9Sstevel@tonic-gate #include <fmd_dispq.h> 457c478bd9Sstevel@tonic-gate #include <fmd_timerq.h> 467c478bd9Sstevel@tonic-gate #include <fmd_subr.h> 477c478bd9Sstevel@tonic-gate #include <fmd_error.h> 487c478bd9Sstevel@tonic-gate #include <fmd_module.h> 497c478bd9Sstevel@tonic-gate #include <fmd_thread.h> 507c478bd9Sstevel@tonic-gate #include <fmd_alloc.h> 517c478bd9Sstevel@tonic-gate #include <fmd_string.h> 527c478bd9Sstevel@tonic-gate #include <fmd_builtin.h> 537c478bd9Sstevel@tonic-gate #include <fmd_ustat.h> 547c478bd9Sstevel@tonic-gate #include <fmd_protocol.h> 557c478bd9Sstevel@tonic-gate #include <fmd_scheme.h> 567c478bd9Sstevel@tonic-gate #include <fmd_asru.h> 577c478bd9Sstevel@tonic-gate #include <fmd_case.h> 587c478bd9Sstevel@tonic-gate #include <fmd_log.h> 59d9638e54Smws #include <fmd_idspace.h> 607c478bd9Sstevel@tonic-gate #include <fmd_rpc.h> 617c478bd9Sstevel@tonic-gate #include <fmd_dr.h> 62d9638e54Smws #include <fmd_xprt.h> 63d9638e54Smws #include <fmd_ctl.h> 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate #include <fmd.h> 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate extern const nv_alloc_ops_t fmd_nv_alloc_ops; /* see fmd_nv.c */ 687c478bd9Sstevel@tonic-gate 697ee93e3bSdilpreet const char _fmd_version[] = "1.1"; /* daemon version string */ 707c478bd9Sstevel@tonic-gate static char _fmd_plat[MAXNAMELEN]; /* native platform string */ 717c478bd9Sstevel@tonic-gate static char _fmd_isa[MAXNAMELEN]; /* native instruction set */ 727c478bd9Sstevel@tonic-gate static struct utsname _fmd_uts; /* native uname(2) info */ 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate /* 757c478bd9Sstevel@tonic-gate * Note: the configuration file path is ordered from most common to most host- 767c478bd9Sstevel@tonic-gate * specific because new conf files are merged/override previous ones. The 777c478bd9Sstevel@tonic-gate * module paths are in the opposite order, from most specific to most common, 787c478bd9Sstevel@tonic-gate * because once a module is loaded fmd will not try to load over the same name. 797c478bd9Sstevel@tonic-gate */ 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate static const char _fmd_conf_path[] = 827c478bd9Sstevel@tonic-gate "%r/usr/lib/fm/fmd:" 837c478bd9Sstevel@tonic-gate "%r/usr/platform/%m/lib/fm/fmd:" 847c478bd9Sstevel@tonic-gate "%r/usr/platform/%i/lib/fm/fmd:" 857c478bd9Sstevel@tonic-gate "%r/etc/fm/fmd"; 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate static const char _fmd_agent_path[] = 887c478bd9Sstevel@tonic-gate "%r/usr/platform/%i/lib/fm/fmd/agents:" 897c478bd9Sstevel@tonic-gate "%r/usr/platform/%m/lib/fm/fmd/agents:" 907c478bd9Sstevel@tonic-gate "%r/usr/lib/fm/fmd/agents"; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate static const char _fmd_plugin_path[] = 937c478bd9Sstevel@tonic-gate "%r/usr/platform/%i/lib/fm/fmd/plugins:" 947c478bd9Sstevel@tonic-gate "%r/usr/platform/%m/lib/fm/fmd/plugins:" 957c478bd9Sstevel@tonic-gate "%r/usr/lib/fm/fmd/plugins"; 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate static const char _fmd_scheme_path[] = 987c478bd9Sstevel@tonic-gate "usr/lib/fm/fmd/schemes"; 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate static const fmd_conf_mode_t _fmd_cerror_modes[] = { 1017c478bd9Sstevel@tonic-gate { "unload", "unload offending client module", FMD_CERROR_UNLOAD }, 1027c478bd9Sstevel@tonic-gate { "stop", "stop daemon for debugger attach", FMD_CERROR_STOP }, 1037c478bd9Sstevel@tonic-gate { "abort", "abort daemon and force core dump", FMD_CERROR_ABORT }, 1047c478bd9Sstevel@tonic-gate { NULL, NULL, 0 } 1057c478bd9Sstevel@tonic-gate }; 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate static const fmd_conf_mode_t _fmd_dbout_modes[] = { 1087c478bd9Sstevel@tonic-gate { "stderr", "send debug messages to stderr", FMD_DBOUT_STDERR }, 1097c478bd9Sstevel@tonic-gate { "syslog", "send debug messages to syslog", FMD_DBOUT_SYSLOG }, 1107c478bd9Sstevel@tonic-gate { NULL, NULL, 0 } 1117c478bd9Sstevel@tonic-gate }; 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate static const fmd_conf_mode_t _fmd_debug_modes[] = { 1147c478bd9Sstevel@tonic-gate { "help", "display debugging modes and exit", FMD_DBG_HELP }, 1157c478bd9Sstevel@tonic-gate { "mod", "debug module load/unload/locking", FMD_DBG_MOD }, 1167c478bd9Sstevel@tonic-gate { "disp", "debug dispatch queue processing", FMD_DBG_DISP }, 1177c478bd9Sstevel@tonic-gate { "xprt", "debug transport-specific routines", FMD_DBG_XPRT }, 1187c478bd9Sstevel@tonic-gate { "evt", "debug event subsystem routines", FMD_DBG_EVT }, 1197c478bd9Sstevel@tonic-gate { "log", "debug log subsystem routines", FMD_DBG_LOG }, 1207c478bd9Sstevel@tonic-gate { "tmr", "debug timer subsystem routines", FMD_DBG_TMR }, 1217c478bd9Sstevel@tonic-gate { "fmri", "debug fmri subsystem routines", FMD_DBG_FMRI }, 1227c478bd9Sstevel@tonic-gate { "asru", "debug asru subsystem routines", FMD_DBG_ASRU }, 1237c478bd9Sstevel@tonic-gate { "case", "debug case subsystem routines", FMD_DBG_CASE }, 1247c478bd9Sstevel@tonic-gate { "ckpt", "debug checkpoint routines", FMD_DBG_CKPT }, 1257c478bd9Sstevel@tonic-gate { "rpc", "debug rpc service routines", FMD_DBG_RPC }, 126d9638e54Smws { "trace", "display matching trace calls", FMD_DBG_TRACE }, 1277c478bd9Sstevel@tonic-gate { "all", "enable all available debug modes", FMD_DBG_ALL }, 1287c478bd9Sstevel@tonic-gate { NULL, NULL, 0 } 1297c478bd9Sstevel@tonic-gate }; 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate static int 1327c478bd9Sstevel@tonic-gate fmd_cerror_set(fmd_conf_param_t *pp, const char *value) 1337c478bd9Sstevel@tonic-gate { 1347c478bd9Sstevel@tonic-gate return (fmd_conf_mode_set(_fmd_cerror_modes, pp, value)); 1357c478bd9Sstevel@tonic-gate } 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate static int 1387c478bd9Sstevel@tonic-gate fmd_dbout_set(fmd_conf_param_t *pp, const char *value) 1397c478bd9Sstevel@tonic-gate { 1407c478bd9Sstevel@tonic-gate return (fmd_conf_mode_set(_fmd_dbout_modes, pp, value)); 1417c478bd9Sstevel@tonic-gate } 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate static int 1447c478bd9Sstevel@tonic-gate fmd_debug_set(fmd_conf_param_t *pp, const char *value) 1457c478bd9Sstevel@tonic-gate { 1467c478bd9Sstevel@tonic-gate int err = fmd_conf_mode_set(_fmd_debug_modes, pp, value); 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate if (err == 0) 1497c478bd9Sstevel@tonic-gate fmd.d_fmd_debug = pp->cp_value.cpv_num; 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate return (err); 1527c478bd9Sstevel@tonic-gate } 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate static int 1557c478bd9Sstevel@tonic-gate fmd_trmode_set(fmd_conf_param_t *pp, const char *value) 1567c478bd9Sstevel@tonic-gate { 1577c478bd9Sstevel@tonic-gate fmd_tracebuf_f *func; 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate if (strcasecmp(value, "none") == 0) 1607c478bd9Sstevel@tonic-gate func = fmd_trace_none; 1617c478bd9Sstevel@tonic-gate else if (strcasecmp(value, "lite") == 0) 1627c478bd9Sstevel@tonic-gate func = fmd_trace_lite; 1637c478bd9Sstevel@tonic-gate else if (strcasecmp(value, "full") == 0) 1647c478bd9Sstevel@tonic-gate func = fmd_trace_full; 1657c478bd9Sstevel@tonic-gate else 1667c478bd9Sstevel@tonic-gate return (fmd_set_errno(EFMD_CONF_INVAL)); 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate fmd.d_thr_trace = (void (*)())func; 1697c478bd9Sstevel@tonic-gate pp->cp_value.cpv_ptr = (void *)func; 1707c478bd9Sstevel@tonic-gate return (0); 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate static void 1747c478bd9Sstevel@tonic-gate fmd_trmode_get(const fmd_conf_param_t *pp, void *ptr) 1757c478bd9Sstevel@tonic-gate { 1767c478bd9Sstevel@tonic-gate *((void **)ptr) = pp->cp_value.cpv_ptr; 1777c478bd9Sstevel@tonic-gate } 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate static int 1807c478bd9Sstevel@tonic-gate fmd_clkmode_set(fmd_conf_param_t *pp, const char *value) 1817c478bd9Sstevel@tonic-gate { 1827c478bd9Sstevel@tonic-gate const fmd_timeops_t *ops; 1837c478bd9Sstevel@tonic-gate 1847c478bd9Sstevel@tonic-gate if (strcasecmp(value, "native") == 0) 1857c478bd9Sstevel@tonic-gate ops = &fmd_timeops_native; 1867c478bd9Sstevel@tonic-gate else if (strcasecmp(value, "simulated") == 0) 1877c478bd9Sstevel@tonic-gate ops = &fmd_timeops_simulated; 1887c478bd9Sstevel@tonic-gate else 1897c478bd9Sstevel@tonic-gate return (fmd_set_errno(EFMD_CONF_INVAL)); 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate fmd.d_clockops = ops; 1927c478bd9Sstevel@tonic-gate pp->cp_value.cpv_ptr = (void *)ops; 1937c478bd9Sstevel@tonic-gate return (0); 1947c478bd9Sstevel@tonic-gate } 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate static void 1977c478bd9Sstevel@tonic-gate fmd_clkmode_get(const fmd_conf_param_t *pp, void *ptr) 1987c478bd9Sstevel@tonic-gate { 1997c478bd9Sstevel@tonic-gate *((void **)ptr) = pp->cp_value.cpv_ptr; 2007c478bd9Sstevel@tonic-gate } 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t fmd_cerror_ops = { 2037c478bd9Sstevel@tonic-gate fmd_cerror_set, fmd_conf_mode_get, fmd_conf_notsup, fmd_conf_nop 2047c478bd9Sstevel@tonic-gate }; 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t fmd_dbout_ops = { 2077c478bd9Sstevel@tonic-gate fmd_dbout_set, fmd_conf_mode_get, fmd_conf_notsup, fmd_conf_nop 2087c478bd9Sstevel@tonic-gate }; 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t fmd_debug_ops = { 2117c478bd9Sstevel@tonic-gate fmd_debug_set, fmd_conf_mode_get, fmd_conf_notsup, fmd_conf_nop 2127c478bd9Sstevel@tonic-gate }; 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t fmd_trmode_ops = { 2157c478bd9Sstevel@tonic-gate fmd_trmode_set, fmd_trmode_get, fmd_conf_notsup, fmd_conf_nop 2167c478bd9Sstevel@tonic-gate }; 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t fmd_clkmode_ops = { 2197c478bd9Sstevel@tonic-gate fmd_clkmode_set, fmd_clkmode_get, fmd_conf_notsup, fmd_conf_nop 2207c478bd9Sstevel@tonic-gate }; 2217c478bd9Sstevel@tonic-gate 2227c478bd9Sstevel@tonic-gate static const fmd_conf_formal_t _fmd_conf[] = { 2237c478bd9Sstevel@tonic-gate { "agent.path", &fmd_conf_path, _fmd_agent_path }, /* path for agents */ 2247c478bd9Sstevel@tonic-gate { "alloc_msecs", &fmd_conf_uint32, "10" }, /* msecs before alloc retry */ 2257c478bd9Sstevel@tonic-gate { "alloc_tries", &fmd_conf_uint32, "3" }, /* max # of alloc retries */ 2267c478bd9Sstevel@tonic-gate { "chassis", &fmd_conf_string, NULL }, /* chassis serial number */ 2277c478bd9Sstevel@tonic-gate { "ckpt.dir", &fmd_conf_string, "var/fm/fmd/ckpt" }, /* ckpt directory path */ 2287c478bd9Sstevel@tonic-gate { "ckpt.dirmode", &fmd_conf_int32, "0700" }, /* ckpt directory perm mode */ 2297c478bd9Sstevel@tonic-gate { "ckpt.mode", &fmd_conf_int32, "0400" }, /* ckpt file perm mode */ 2307c478bd9Sstevel@tonic-gate { "ckpt.restore", &fmd_conf_bool, "true" }, /* restore checkpoints? */ 2317c478bd9Sstevel@tonic-gate { "ckpt.save", &fmd_conf_bool, "true" }, /* save checkpoints? */ 2327c478bd9Sstevel@tonic-gate { "ckpt.zero", &fmd_conf_bool, "false" }, /* zero checkpoints on start? */ 2337c478bd9Sstevel@tonic-gate { "client.buflim", &fmd_conf_size, "10m" }, /* client buffer space limit */ 2347c478bd9Sstevel@tonic-gate { "client.dbout", &fmd_dbout_ops, NULL }, /* client debug output sinks */ 2357c478bd9Sstevel@tonic-gate { "client.debug", &fmd_conf_bool, NULL }, /* client debug enable */ 2367c478bd9Sstevel@tonic-gate { "client.error", &fmd_cerror_ops, "unload" }, /* client error policy */ 2377c478bd9Sstevel@tonic-gate { "client.memlim", &fmd_conf_size, "10m" }, /* client allocation limit */ 2387c478bd9Sstevel@tonic-gate { "client.evqlim", &fmd_conf_uint32, "256" }, /* client event queue limit */ 2397c478bd9Sstevel@tonic-gate { "client.thrlim", &fmd_conf_uint32, "8" }, /* client aux thread limit */ 2407c478bd9Sstevel@tonic-gate { "client.thrsig", &fmd_conf_signal, "SIGUSR1" }, /* fmd_thr_signal() value */ 2417c478bd9Sstevel@tonic-gate { "client.tmrlim", &fmd_conf_uint32, "1024" }, /* client pending timer limit */ 242d9638e54Smws { "client.xprtlim", &fmd_conf_uint32, "256" }, /* client transport limit */ 243d9638e54Smws { "client.xprtlog", &fmd_conf_bool, NULL }, /* client transport logging? */ 244d9638e54Smws { "client.xprtqlim", &fmd_conf_uint32, "256" }, /* client transport queue lim */ 2457c478bd9Sstevel@tonic-gate { "clock", &fmd_clkmode_ops, "native" }, /* clock operation mode */ 2467c478bd9Sstevel@tonic-gate { "conf_path", &fmd_conf_path, _fmd_conf_path }, /* root config file path */ 2477c478bd9Sstevel@tonic-gate { "conf_file", &fmd_conf_string, "fmd.conf" }, /* root config file name */ 2487c478bd9Sstevel@tonic-gate { "core", &fmd_conf_bool, "false" }, /* force core dump on quit */ 2497c478bd9Sstevel@tonic-gate { "dbout", &fmd_dbout_ops, NULL }, /* daemon debug output sinks */ 2507c478bd9Sstevel@tonic-gate { "debug", &fmd_debug_ops, NULL }, /* daemon debugging flags */ 2517c478bd9Sstevel@tonic-gate { "dictdir", &fmd_conf_string, "usr/lib/fm/dict" }, /* default diagcode dir */ 2527c478bd9Sstevel@tonic-gate { "domain", &fmd_conf_string, NULL }, /* domain id for de auth */ 2537c478bd9Sstevel@tonic-gate { "fg", &fmd_conf_bool, "false" }, /* run daemon in foreground */ 2547c478bd9Sstevel@tonic-gate { "gc_interval", &fmd_conf_time, "1d" }, /* garbage collection intvl */ 2557c478bd9Sstevel@tonic-gate { "ids.avg", &fmd_conf_uint32, "4" }, /* desired idspace chain len */ 2567c478bd9Sstevel@tonic-gate { "ids.max", &fmd_conf_uint32, "1024" }, /* maximum idspace buckets */ 2577c478bd9Sstevel@tonic-gate { "isaname", &fmd_conf_string, _fmd_isa }, /* instruction set (uname -p) */ 2587c478bd9Sstevel@tonic-gate { "log.creator", &fmd_conf_string, "fmd" }, /* exacct log creator string */ 2597c478bd9Sstevel@tonic-gate { "log.error", &fmd_conf_string, "var/fm/fmd/errlog" }, /* error log path */ 2607c478bd9Sstevel@tonic-gate { "log.fault", &fmd_conf_string, "var/fm/fmd/fltlog" }, /* fault log path */ 2617c478bd9Sstevel@tonic-gate { "log.minfree", &fmd_conf_size, "2m" }, /* min log fsys free space */ 262d9638e54Smws { "log.rsrc", &fmd_conf_string, "var/fm/fmd/rsrc" }, /* asru log dir path */ 2637c478bd9Sstevel@tonic-gate { "log.tryrotate", &fmd_conf_uint32, "10" }, /* max log rotation attempts */ 2647c478bd9Sstevel@tonic-gate { "log.waitrotate", &fmd_conf_time, "200ms" }, /* log rotation retry delay */ 265d9638e54Smws { "log.xprt", &fmd_conf_string, "var/fm/fmd/xprt" }, /* transport log dir */ 2667c478bd9Sstevel@tonic-gate { "machine", &fmd_conf_string, _fmd_uts.machine }, /* machine name (uname -m) */ 2677c478bd9Sstevel@tonic-gate { "nodiagcode", &fmd_conf_string, "-" }, /* diagcode to use if error */ 2687c478bd9Sstevel@tonic-gate { "osrelease", &fmd_conf_string, _fmd_uts.release }, /* release (uname -r) */ 2697c478bd9Sstevel@tonic-gate { "osversion", &fmd_conf_string, _fmd_uts.version }, /* version (uname -v) */ 2707c478bd9Sstevel@tonic-gate { "platform", &fmd_conf_string, _fmd_plat }, /* platform string (uname -i) */ 2717c478bd9Sstevel@tonic-gate { "plugin.close", &fmd_conf_bool, "true" }, /* dlclose plugins on fini */ 2727c478bd9Sstevel@tonic-gate { "plugin.path", &fmd_conf_path, _fmd_plugin_path }, /* path for plugin mods */ 2737c478bd9Sstevel@tonic-gate { "rootdir", &fmd_conf_string, "" }, /* root directory for paths */ 2747c478bd9Sstevel@tonic-gate { "rpc.adm.path", &fmd_conf_string, NULL }, /* FMD_ADM rendezvous file */ 2757c478bd9Sstevel@tonic-gate { "rpc.adm.prog", &fmd_conf_uint32, "100169" }, /* FMD_ADM rpc program num */ 2767c478bd9Sstevel@tonic-gate { "rpc.api.path", &fmd_conf_string, NULL }, /* FMD_API rendezvous file */ 2777c478bd9Sstevel@tonic-gate { "rpc.api.prog", &fmd_conf_uint32, "100170" }, /* FMD_API rpc program num */ 2787c478bd9Sstevel@tonic-gate { "rpc.rcvsize", &fmd_conf_size, "128k" }, /* rpc receive buffer size */ 2797c478bd9Sstevel@tonic-gate { "rpc.sndsize", &fmd_conf_size, "128k" }, /* rpc send buffer size */ 2807c478bd9Sstevel@tonic-gate { "rsrc.age", &fmd_conf_time, "30d" }, /* max age of old rsrc log */ 2817c478bd9Sstevel@tonic-gate { "rsrc.zero", &fmd_conf_bool, "false" }, /* zero rsrc cache on start? */ 2827c478bd9Sstevel@tonic-gate { "schemedir", &fmd_conf_string, _fmd_scheme_path }, /* path for scheme mods */ 2837c478bd9Sstevel@tonic-gate { "self.name", &fmd_conf_string, "fmd-self-diagnosis" }, /* self-diag module */ 2847c478bd9Sstevel@tonic-gate { "self.dict", &fmd_conf_list, "FMD.dict" }, /* self-diag dictionary list */ 2857c478bd9Sstevel@tonic-gate { "server", &fmd_conf_string, _fmd_uts.nodename }, /* server id for de auth */ 2867c478bd9Sstevel@tonic-gate { "strbuckets", &fmd_conf_uint32, "211" }, /* size of string hashes */ 2877c478bd9Sstevel@tonic-gate #ifdef DEBUG 2887c478bd9Sstevel@tonic-gate { "trace.mode", &fmd_trmode_ops, "full" }, /* trace mode: none/lite/full */ 2897c478bd9Sstevel@tonic-gate #else 2907c478bd9Sstevel@tonic-gate { "trace.mode", &fmd_trmode_ops, "lite" }, /* trace mode: none/lite/full */ 2917c478bd9Sstevel@tonic-gate #endif 2927c478bd9Sstevel@tonic-gate { "trace.recs", &fmd_conf_uint32, "128" }, /* trace records per thread */ 2937c478bd9Sstevel@tonic-gate { "trace.frames", &fmd_conf_uint32, "16" }, /* max trace rec stack frames */ 2947c478bd9Sstevel@tonic-gate { "uuidlen", &fmd_conf_uint32, "36" }, /* UUID ASCII string length */ 295d9638e54Smws { "xprt.ttl", &fmd_conf_uint8, "1" }, /* default event time-to-live */ 2967c478bd9Sstevel@tonic-gate }; 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* 2997c478bd9Sstevel@tonic-gate * Statistics maintained by fmd itself on behalf of various global subsystems. 3007c478bd9Sstevel@tonic-gate * NOTE: FMD_TYPE_STRING statistics should not be used here. If they are 3017c478bd9Sstevel@tonic-gate * required in the future, the FMD_ADM_MODGSTAT service routine must change. 3027c478bd9Sstevel@tonic-gate */ 3037c478bd9Sstevel@tonic-gate static fmd_statistics_t _fmd_stats = { 3047c478bd9Sstevel@tonic-gate { "errlog.replayed", FMD_TYPE_UINT64, "total events replayed from errlog" }, 3057c478bd9Sstevel@tonic-gate { "errlog.partials", FMD_TYPE_UINT64, "events partially committed in errlog" }, 3067c478bd9Sstevel@tonic-gate { "errlog.enospc", FMD_TYPE_UINT64, "events not appended to errlog (ENOSPC)" }, 3077c478bd9Sstevel@tonic-gate { "fltlog.enospc", FMD_TYPE_UINT64, "events not appended to fltlog (ENOSPC)" }, 3087c478bd9Sstevel@tonic-gate { "log.enospc", FMD_TYPE_UINT64, "events not appended to other logs (ENOSPC)" }, 3097c478bd9Sstevel@tonic-gate { "dr.gen", FMD_TYPE_UINT64, "dynamic reconfiguration generation" }, 3107c478bd9Sstevel@tonic-gate }; 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate void 3137c478bd9Sstevel@tonic-gate fmd_create(fmd_t *dp, const char *arg0, const char *root, const char *conf) 3147c478bd9Sstevel@tonic-gate { 3157c478bd9Sstevel@tonic-gate fmd_conf_path_t *pap; 3167c478bd9Sstevel@tonic-gate char file[PATH_MAX]; 3177c478bd9Sstevel@tonic-gate const char *name; 3187c478bd9Sstevel@tonic-gate fmd_stat_t *sp; 3197c478bd9Sstevel@tonic-gate int i; 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate (void) sysinfo(SI_PLATFORM, _fmd_plat, sizeof (_fmd_plat)); 3227c478bd9Sstevel@tonic-gate (void) sysinfo(SI_ARCHITECTURE, _fmd_isa, sizeof (_fmd_isa)); 3237c478bd9Sstevel@tonic-gate (void) uname(&_fmd_uts); 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate bzero(dp, sizeof (fmd_t)); 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate dp->d_version = _fmd_version; 3287c478bd9Sstevel@tonic-gate dp->d_pname = fmd_strbasename(arg0); 3297c478bd9Sstevel@tonic-gate dp->d_pid = getpid(); 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate if (pthread_key_create(&dp->d_key, NULL) != 0) 3327c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, "failed to create pthread key"); 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate (void) pthread_mutex_init(&dp->d_xprt_lock, NULL); 3357c478bd9Sstevel@tonic-gate (void) pthread_mutex_init(&dp->d_err_lock, NULL); 3367c478bd9Sstevel@tonic-gate (void) pthread_mutex_init(&dp->d_thr_lock, NULL); 3377c478bd9Sstevel@tonic-gate (void) pthread_mutex_init(&dp->d_mod_lock, NULL); 3387c478bd9Sstevel@tonic-gate (void) pthread_mutex_init(&dp->d_stats_lock, NULL); 3397c478bd9Sstevel@tonic-gate (void) pthread_rwlock_init(&dp->d_log_lock, NULL); 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* 3427c478bd9Sstevel@tonic-gate * A small number of properties must be set manually before we open 3437c478bd9Sstevel@tonic-gate * the root configuration file. These include any settings for our 3447c478bd9Sstevel@tonic-gate * memory allocator and path expansion token values, because these 3457c478bd9Sstevel@tonic-gate * values are needed by the routines in fmd_conf.c itself. After 3467c478bd9Sstevel@tonic-gate * the root configuration file is processed, we reset these properties 3477c478bd9Sstevel@tonic-gate * based upon the latest values from the configuration file. 3487c478bd9Sstevel@tonic-gate */ 3497c478bd9Sstevel@tonic-gate dp->d_alloc_msecs = 10; 3507c478bd9Sstevel@tonic-gate dp->d_alloc_tries = 3; 3517c478bd9Sstevel@tonic-gate dp->d_str_buckets = 211; 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate dp->d_rootdir = root ? root : ""; 3547c478bd9Sstevel@tonic-gate dp->d_platform = _fmd_plat; 3557c478bd9Sstevel@tonic-gate dp->d_machine = _fmd_uts.machine; 3567c478bd9Sstevel@tonic-gate dp->d_isaname = _fmd_isa; 3577c478bd9Sstevel@tonic-gate 358d9638e54Smws dp->d_conf = fmd_conf_open(conf, sizeof (_fmd_conf) / 359d9638e54Smws sizeof (_fmd_conf[0]), _fmd_conf, FMD_CONF_DEFER); 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate if (dp->d_conf == NULL) { 3627c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, 3637c478bd9Sstevel@tonic-gate "failed to load required configuration properties\n"); 3647c478bd9Sstevel@tonic-gate } 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "alloc.msecs", &dp->d_alloc_msecs); 3677c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "alloc.tries", &dp->d_alloc_tries); 3687c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "strbuckets", &dp->d_str_buckets); 3697c478bd9Sstevel@tonic-gate 3707c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "platform", &dp->d_platform); 3717c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "machine", &dp->d_machine); 3727c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "isaname", &dp->d_isaname); 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate /* 3757c478bd9Sstevel@tonic-gate * Manually specified rootdirs override config files, so only update 3767c478bd9Sstevel@tonic-gate * d_rootdir based on the config files we parsed if no 'root' was set. 3777c478bd9Sstevel@tonic-gate */ 3787c478bd9Sstevel@tonic-gate if (root == NULL) 3797c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "rootdir", &dp->d_rootdir); 3807c478bd9Sstevel@tonic-gate else 3817c478bd9Sstevel@tonic-gate (void) fmd_conf_setprop(dp->d_conf, "rootdir", dp->d_rootdir); 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* 3847c478bd9Sstevel@tonic-gate * Once the base conf file properties are loaded, lookup the values 3857c478bd9Sstevel@tonic-gate * of $conf_path and $conf_file and merge in any other conf files. 3867c478bd9Sstevel@tonic-gate */ 3877c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "conf_path", &pap); 3887c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "conf_file", &name); 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate for (i = 0; i < pap->cpa_argc; i++) { 3917c478bd9Sstevel@tonic-gate (void) snprintf(file, sizeof (file), 3927c478bd9Sstevel@tonic-gate "%s/%s", pap->cpa_argv[i], name); 3937c478bd9Sstevel@tonic-gate if (access(file, F_OK) == 0) 3947c478bd9Sstevel@tonic-gate fmd_conf_merge(dp->d_conf, file); 3957c478bd9Sstevel@tonic-gate } 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate /* 3987c478bd9Sstevel@tonic-gate * Update the value of fmd.d_fg based on "fg". We cache this property 3997c478bd9Sstevel@tonic-gate * because it must be accessed deep within fmd at fmd_verror() time. 400d9638e54Smws * Update any other properties that must be cached for performance. 4017c478bd9Sstevel@tonic-gate */ 4027c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(fmd.d_conf, "fg", &fmd.d_fg); 403d9638e54Smws (void) fmd_conf_getprop(fmd.d_conf, "xprt.ttl", &fmd.d_xprt_ttl); 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate /* 4067c478bd9Sstevel@tonic-gate * Initialize our custom libnvpair allocator and create an nvlist for 4077c478bd9Sstevel@tonic-gate * authority elements corresponding to this instance of the daemon. 4087c478bd9Sstevel@tonic-gate */ 4097c478bd9Sstevel@tonic-gate (void) nv_alloc_init(&dp->d_nva, &fmd_nv_alloc_ops); 4107c478bd9Sstevel@tonic-gate dp->d_auth = fmd_protocol_authority(); 4117c478bd9Sstevel@tonic-gate 4127c478bd9Sstevel@tonic-gate /* 4137c478bd9Sstevel@tonic-gate * The fmd_module_t for the root module must be created manually. Most 4147c478bd9Sstevel@tonic-gate * of it remains unused and zero, except for the few things we fill in. 4157c478bd9Sstevel@tonic-gate */ 4167c478bd9Sstevel@tonic-gate dp->d_rmod = fmd_zalloc(sizeof (fmd_module_t), FMD_SLEEP); 4177c478bd9Sstevel@tonic-gate dp->d_rmod->mod_name = fmd_strdup(dp->d_pname, FMD_SLEEP); 418d9638e54Smws dp->d_rmod->mod_fmri = fmd_protocol_fmri_module(dp->d_rmod); 419d9638e54Smws 4207c478bd9Sstevel@tonic-gate fmd_list_append(&dp->d_mod_list, dp->d_rmod); 421d9638e54Smws fmd_module_hold(dp->d_rmod); 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate (void) pthread_mutex_init(&dp->d_rmod->mod_lock, NULL); 4247c478bd9Sstevel@tonic-gate (void) pthread_cond_init(&dp->d_rmod->mod_cv, NULL); 425d9638e54Smws (void) pthread_mutex_init(&dp->d_rmod->mod_stats_lock, NULL); 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate dp->d_rmod->mod_thread = fmd_thread_xcreate(dp->d_rmod, pthread_self()); 428d9638e54Smws dp->d_rmod->mod_stats = fmd_zalloc(sizeof (fmd_modstat_t), FMD_SLEEP); 4297c478bd9Sstevel@tonic-gate dp->d_rmod->mod_ustat = fmd_ustat_create(); 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate if (pthread_setspecific(dp->d_key, dp->d_rmod->mod_thread) != 0) 4327c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, "failed to attach main thread key"); 4337c478bd9Sstevel@tonic-gate 4347c478bd9Sstevel@tonic-gate if ((dp->d_stats = (fmd_statistics_t *)fmd_ustat_insert( 4357c478bd9Sstevel@tonic-gate dp->d_rmod->mod_ustat, FMD_USTAT_NOALLOC, sizeof (_fmd_stats) / 4367c478bd9Sstevel@tonic-gate sizeof (fmd_stat_t), (fmd_stat_t *)&_fmd_stats, NULL)) == NULL) 4377c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, "failed to initialize statistics"); 4387c478bd9Sstevel@tonic-gate 439d9638e54Smws (void) pthread_mutex_lock(&dp->d_rmod->mod_lock); 440d9638e54Smws dp->d_rmod->mod_flags |= FMD_MOD_INIT; 441d9638e54Smws (void) pthread_mutex_unlock(&dp->d_rmod->mod_lock); 442d9638e54Smws 4437c478bd9Sstevel@tonic-gate /* 4447c478bd9Sstevel@tonic-gate * In addition to inserting the _fmd_stats collection of program-wide 4457c478bd9Sstevel@tonic-gate * statistics, we also insert a statistic named after each of our 4467c478bd9Sstevel@tonic-gate * errors and update these counts in fmd_verror() (see fmd_subr.c). 4477c478bd9Sstevel@tonic-gate */ 4487c478bd9Sstevel@tonic-gate dp->d_errstats = sp = fmd_zalloc(sizeof (fmd_stat_t) * 4497c478bd9Sstevel@tonic-gate (EFMD_END - EFMD_UNKNOWN), FMD_SLEEP); 4507c478bd9Sstevel@tonic-gate 4517c478bd9Sstevel@tonic-gate for (i = 0; i < EFMD_END - EFMD_UNKNOWN; i++, sp++) { 4527c478bd9Sstevel@tonic-gate (void) snprintf(sp->fmds_name, sizeof (sp->fmds_name), "err.%s", 4537c478bd9Sstevel@tonic-gate strrchr(fmd_errclass(EFMD_UNKNOWN + i), '.') + 1); 4547c478bd9Sstevel@tonic-gate sp->fmds_type = FMD_TYPE_UINT64; 4557c478bd9Sstevel@tonic-gate } 4567c478bd9Sstevel@tonic-gate 4577c478bd9Sstevel@tonic-gate (void) fmd_ustat_insert(dp->d_rmod->mod_ustat, FMD_USTAT_NOALLOC, 4587c478bd9Sstevel@tonic-gate EFMD_END - EFMD_UNKNOWN, dp->d_errstats, NULL); 4597c478bd9Sstevel@tonic-gate } 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate void 4627c478bd9Sstevel@tonic-gate fmd_destroy(fmd_t *dp) 4637c478bd9Sstevel@tonic-gate { 4647c478bd9Sstevel@tonic-gate fmd_module_t *mp; 465d9638e54Smws fmd_case_t *cp; 4667c478bd9Sstevel@tonic-gate int core; 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(fmd.d_conf, "core", &core); 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate fmd_rpc_fini(); 4717c478bd9Sstevel@tonic-gate fmd_dr_fini(); 472*e4586ebfSmws 473*e4586ebfSmws if (dp->d_xprt_ids != NULL) 474d9638e54Smws fmd_xprt_suspend_all(); 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate /* 4777c478bd9Sstevel@tonic-gate * Unload the self-diagnosis module first. This ensures that it does 4787c478bd9Sstevel@tonic-gate * not get confused as we start unloading other modules, etc. We must 4797c478bd9Sstevel@tonic-gate * hold the dispq lock as a writer while doing so since it uses d_self. 4807c478bd9Sstevel@tonic-gate */ 4817c478bd9Sstevel@tonic-gate if (dp->d_self != NULL) { 4827c478bd9Sstevel@tonic-gate (void) pthread_rwlock_wrlock(&dp->d_disp->dq_lock); 4837c478bd9Sstevel@tonic-gate fmd_module_unload(dp->d_self); 4847c478bd9Sstevel@tonic-gate fmd_module_rele(dp->d_self); 4857c478bd9Sstevel@tonic-gate dp->d_self = NULL; 4867c478bd9Sstevel@tonic-gate (void) pthread_rwlock_unlock(&dp->d_disp->dq_lock); 4877c478bd9Sstevel@tonic-gate } 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate /* 4907c478bd9Sstevel@tonic-gate * Unload modules in reverse order *except* for the root module, which 4917c478bd9Sstevel@tonic-gate * is first in the list. This allows it to keep its thread and trace. 4927c478bd9Sstevel@tonic-gate */ 4937c478bd9Sstevel@tonic-gate for (mp = fmd_list_prev(&dp->d_mod_list); mp != dp->d_rmod; ) { 4947c478bd9Sstevel@tonic-gate fmd_module_unload(mp); 4957c478bd9Sstevel@tonic-gate mp = fmd_list_prev(mp); 4967c478bd9Sstevel@tonic-gate } 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate if (dp->d_mod_hash != NULL) { 4997c478bd9Sstevel@tonic-gate fmd_modhash_destroy(dp->d_mod_hash); 5007c478bd9Sstevel@tonic-gate dp->d_mod_hash = NULL; 5017c478bd9Sstevel@tonic-gate } 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate /* 5047c478bd9Sstevel@tonic-gate * Close both log files now that modules are no longer active. We must 5057c478bd9Sstevel@tonic-gate * set these pointers to NULL in case any subsequent errors occur. 5067c478bd9Sstevel@tonic-gate */ 5077c478bd9Sstevel@tonic-gate if (dp->d_errlog != NULL) { 5087c478bd9Sstevel@tonic-gate fmd_log_rele(dp->d_errlog); 5097c478bd9Sstevel@tonic-gate dp->d_errlog = NULL; 5107c478bd9Sstevel@tonic-gate } 5117c478bd9Sstevel@tonic-gate 5127c478bd9Sstevel@tonic-gate if (dp->d_fltlog != NULL) { 5137c478bd9Sstevel@tonic-gate fmd_log_rele(dp->d_fltlog); 5147c478bd9Sstevel@tonic-gate dp->d_fltlog = NULL; 5157c478bd9Sstevel@tonic-gate } 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate /* 518d9638e54Smws * Now destroy the resource cache: each ASRU contains a case reference, 519d9638e54Smws * which may in turn contain a pointer to a referenced owning module. 520d9638e54Smws */ 521d9638e54Smws if (dp->d_asrus != NULL) { 522d9638e54Smws fmd_asru_hash_destroy(dp->d_asrus); 523d9638e54Smws dp->d_asrus = NULL; 524d9638e54Smws } 525d9638e54Smws 526d9638e54Smws /* 5277c478bd9Sstevel@tonic-gate * Now that all data structures that refer to modules are torn down, 5287c478bd9Sstevel@tonic-gate * no modules should be remaining on the module list except for d_rmod. 5297c478bd9Sstevel@tonic-gate * If we trip one of these assertions, we're missing a rele somewhere. 5307c478bd9Sstevel@tonic-gate */ 5317c478bd9Sstevel@tonic-gate ASSERT(fmd_list_prev(&dp->d_mod_list) == dp->d_rmod); 5327c478bd9Sstevel@tonic-gate ASSERT(fmd_list_next(&dp->d_mod_list) == dp->d_rmod); 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate /* 5357c478bd9Sstevel@tonic-gate * Now destroy the root module. We clear its thread key first so any 5367c478bd9Sstevel@tonic-gate * calls to fmd_trace() inside of the module code will be ignored. 5377c478bd9Sstevel@tonic-gate */ 5387c478bd9Sstevel@tonic-gate (void) pthread_setspecific(dp->d_key, NULL); 539d9638e54Smws fmd_module_lock(dp->d_rmod); 5407c478bd9Sstevel@tonic-gate 541d9638e54Smws while ((cp = fmd_list_next(&dp->d_rmod->mod_cases)) != NULL) 542d9638e54Smws fmd_case_discard(cp); 543d9638e54Smws 544d9638e54Smws fmd_module_unlock(dp->d_rmod); 545d9638e54Smws fmd_free(dp->d_rmod->mod_stats, sizeof (fmd_modstat_t)); 546d9638e54Smws dp->d_rmod->mod_stats = NULL; 547d9638e54Smws 548d9638e54Smws (void) pthread_mutex_lock(&dp->d_rmod->mod_lock); 549d9638e54Smws dp->d_rmod->mod_flags |= FMD_MOD_FINI; 550d9638e54Smws (void) pthread_mutex_unlock(&dp->d_rmod->mod_lock); 551d9638e54Smws 552d9638e54Smws fmd_module_rele(dp->d_rmod); 553d9638e54Smws ASSERT(fmd_list_next(&dp->d_mod_list) == NULL); 554d9638e54Smws 555d9638e54Smws /* 556d9638e54Smws * Now destroy the remaining global data structures. If 'core' was 557d9638e54Smws * set to true, force a core dump so we can check for memory leaks. 558d9638e54Smws */ 5597c478bd9Sstevel@tonic-gate if (dp->d_cases != NULL) 5607c478bd9Sstevel@tonic-gate fmd_case_hash_destroy(dp->d_cases); 561d9638e54Smws if (dp->d_disp != NULL) 562d9638e54Smws fmd_dispq_destroy(dp->d_disp); 563d9638e54Smws if (dp->d_timers != NULL) 564d9638e54Smws fmd_timerq_destroy(dp->d_timers); 565d9638e54Smws if (dp->d_schemes != NULL) 566d9638e54Smws fmd_scheme_hash_destroy(dp->d_schemes); 567d9638e54Smws if (dp->d_xprt_ids != NULL) 568d9638e54Smws fmd_idspace_destroy(dp->d_xprt_ids); 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate if (dp->d_errstats != NULL) { 5717c478bd9Sstevel@tonic-gate fmd_free(dp->d_errstats, 5727c478bd9Sstevel@tonic-gate sizeof (fmd_stat_t) * (EFMD_END - EFMD_UNKNOWN)); 5737c478bd9Sstevel@tonic-gate } 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate if (dp->d_conf != NULL) 5767c478bd9Sstevel@tonic-gate fmd_conf_close(dp->d_conf); 5777c478bd9Sstevel@tonic-gate 5787c478bd9Sstevel@tonic-gate nvlist_free(dp->d_auth); 5797c478bd9Sstevel@tonic-gate (void) nv_alloc_fini(&dp->d_nva); 5807c478bd9Sstevel@tonic-gate dp->d_clockops->fto_fini(dp->d_clockptr); 5817c478bd9Sstevel@tonic-gate 5827c478bd9Sstevel@tonic-gate (void) pthread_key_delete(dp->d_key); 5837c478bd9Sstevel@tonic-gate bzero(dp, sizeof (fmd_t)); 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate if (core) 5867c478bd9Sstevel@tonic-gate fmd_panic("forcing core dump at user request\n"); 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 5907c478bd9Sstevel@tonic-gate static void 5917c478bd9Sstevel@tonic-gate fmd_gc(fmd_t *dp, id_t id, hrtime_t hrt) 5927c478bd9Sstevel@tonic-gate { 5937c478bd9Sstevel@tonic-gate hrtime_t delta; 5947c478bd9Sstevel@tonic-gate 5957c478bd9Sstevel@tonic-gate if (id != 0) { 5967c478bd9Sstevel@tonic-gate TRACE((FMD_DBG_MOD, "garbage collect start")); 5977c478bd9Sstevel@tonic-gate fmd_modhash_apply(dp->d_mod_hash, fmd_module_gc); 5987c478bd9Sstevel@tonic-gate TRACE((FMD_DBG_MOD, "garbage collect end")); 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate (void) pthread_rwlock_rdlock(&dp->d_log_lock); 6017c478bd9Sstevel@tonic-gate fmd_log_update(dp->d_errlog); 6027c478bd9Sstevel@tonic-gate (void) pthread_rwlock_unlock(&dp->d_log_lock); 6037c478bd9Sstevel@tonic-gate } 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "gc_interval", &delta); 6067c478bd9Sstevel@tonic-gate (void) fmd_timerq_install(dp->d_timers, dp->d_rmod->mod_timerids, 6077c478bd9Sstevel@tonic-gate (fmd_timer_f *)fmd_gc, dp, NULL, delta); 6087c478bd9Sstevel@tonic-gate } 6097c478bd9Sstevel@tonic-gate 6107c478bd9Sstevel@tonic-gate /* 6117c478bd9Sstevel@tonic-gate * Events are committed to the errlog after cases are checkpointed. If fmd 6127c478bd9Sstevel@tonic-gate * crashes before an event is ever associated with a module, this function will 6137c478bd9Sstevel@tonic-gate * be called to replay it to all subscribers. If fmd crashes in between the 6147c478bd9Sstevel@tonic-gate * subscriber checkpointing and committing the event in the error log, the 6157c478bd9Sstevel@tonic-gate * module will have seen the event and we don't want to replay it. So we look 6167c478bd9Sstevel@tonic-gate * for the event in all modules and transition it to the proper state. If 6177c478bd9Sstevel@tonic-gate * it is found, we commit it to the error log and do not replay it. The in- 6187c478bd9Sstevel@tonic-gate * memory case search used by fmd_module_contains() et al isn't particularly 6197c478bd9Sstevel@tonic-gate * efficient, but it is faster than doing read i/o's on every case event to 6207c478bd9Sstevel@tonic-gate * check their status or write i/o's on every event to replay to update states. 6217c478bd9Sstevel@tonic-gate * We can improve the efficiency of this lookup algorithm later if necessary. 6227c478bd9Sstevel@tonic-gate */ 6237c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6247c478bd9Sstevel@tonic-gate static void 6257c478bd9Sstevel@tonic-gate fmd_err_replay(fmd_log_t *lp, fmd_event_t *ep, fmd_t *dp) 6267c478bd9Sstevel@tonic-gate { 6277c478bd9Sstevel@tonic-gate fmd_module_t *mp; 6287c478bd9Sstevel@tonic-gate fmd_stat_t *sp; 6297c478bd9Sstevel@tonic-gate 6307c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&dp->d_mod_lock); 6317c478bd9Sstevel@tonic-gate 6327c478bd9Sstevel@tonic-gate for (mp = fmd_list_next(&dp->d_mod_list); 6337c478bd9Sstevel@tonic-gate mp != NULL; mp = fmd_list_next(mp)) { 6347c478bd9Sstevel@tonic-gate if (fmd_module_contains(mp, ep)) { 6357c478bd9Sstevel@tonic-gate fmd_module_hold(mp); 6367c478bd9Sstevel@tonic-gate break; 6377c478bd9Sstevel@tonic-gate } 6387c478bd9Sstevel@tonic-gate } 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&dp->d_mod_lock); 6417c478bd9Sstevel@tonic-gate 6427c478bd9Sstevel@tonic-gate if (mp != NULL) { 6437c478bd9Sstevel@tonic-gate fmd_event_commit(ep); 6447c478bd9Sstevel@tonic-gate fmd_module_rele(mp); 6457c478bd9Sstevel@tonic-gate sp = &dp->d_stats->ds_log_partials; 6467c478bd9Sstevel@tonic-gate } else { 647d9638e54Smws fmd_dispq_dispatch(dp->d_disp, ep, FMD_EVENT_DATA(ep)); 6487c478bd9Sstevel@tonic-gate sp = &dp->d_stats->ds_log_replayed; 6497c478bd9Sstevel@tonic-gate } 6507c478bd9Sstevel@tonic-gate 6517c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&dp->d_stats_lock); 6527c478bd9Sstevel@tonic-gate sp->fmds_value.ui64++; 6537c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&dp->d_stats_lock); 6547c478bd9Sstevel@tonic-gate } 6557c478bd9Sstevel@tonic-gate 656d9638e54Smws void 657d9638e54Smws fmd_door_server(void *dip) 658d9638e54Smws { 659d9638e54Smws fmd_dprintf(FMD_DBG_XPRT, "door server starting for %p\n", dip); 660d9638e54Smws (void) pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); 661d9638e54Smws (void) door_return(NULL, 0, NULL, 0); 662d9638e54Smws } 663d9638e54Smws 664d9638e54Smws /* 665d9638e54Smws * Custom door server create callback. Any fmd services that use doors will 666d9638e54Smws * require those threads to have their fmd-specific TSD initialized, etc. 667d9638e54Smws */ 668d9638e54Smws static void 669d9638e54Smws fmd_door(door_info_t *dip) 670d9638e54Smws { 671d9638e54Smws if (fmd_thread_create(fmd.d_rmod, fmd_door_server, dip) == NULL) 672d9638e54Smws fmd_panic("failed to create server for door %p", (void *)dip); 673d9638e54Smws } 674d9638e54Smws 6757c478bd9Sstevel@tonic-gate /* 6767c478bd9Sstevel@tonic-gate * This signal handler is installed for the client.thrsig signal to be used to 6777c478bd9Sstevel@tonic-gate * force an auxiliary thread to wake up from a system call and return EINTR in 6787c478bd9Sstevel@tonic-gate * response to a module's use of fmd_thr_signal(). We also trace the event. 6797c478bd9Sstevel@tonic-gate */ 6807c478bd9Sstevel@tonic-gate static void 6817c478bd9Sstevel@tonic-gate fmd_signal(int sig) 6827c478bd9Sstevel@tonic-gate { 6837c478bd9Sstevel@tonic-gate TRACE((FMD_DBG_MOD, "module thread received sig #%d", sig)); 6847c478bd9Sstevel@tonic-gate } 6857c478bd9Sstevel@tonic-gate 6867c478bd9Sstevel@tonic-gate void 6877c478bd9Sstevel@tonic-gate fmd_run(fmd_t *dp, int pfd) 6887c478bd9Sstevel@tonic-gate { 6897c478bd9Sstevel@tonic-gate char *nodc_key[] = { FMD_FLT_NODC, NULL }; 6907c478bd9Sstevel@tonic-gate char nodc_str[128]; 6917c478bd9Sstevel@tonic-gate struct sigaction act; 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate int status = FMD_EXIT_SUCCESS; 6947c478bd9Sstevel@tonic-gate const char *name; 6957c478bd9Sstevel@tonic-gate fmd_conf_path_t *pap; 696d9638e54Smws fmd_event_t *e; 6977c478bd9Sstevel@tonic-gate int dbout; 6987c478bd9Sstevel@tonic-gate 6997c478bd9Sstevel@tonic-gate /* 7007c478bd9Sstevel@tonic-gate * Cache all the current debug property settings in d_fmd_debug, 7017c478bd9Sstevel@tonic-gate * d_fmd_dbout, d_hdl_debug, and d_hdl_dbout. If a given debug mask 7027c478bd9Sstevel@tonic-gate * is non-zero and the corresponding dbout mask is zero, set dbout 7037c478bd9Sstevel@tonic-gate * to a sensible default value based on whether we have daemonized. 7047c478bd9Sstevel@tonic-gate */ 7057c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "dbout", &dbout); 7067c478bd9Sstevel@tonic-gate 7077c478bd9Sstevel@tonic-gate if (dp->d_fmd_debug != 0 && dbout == 0) 7087c478bd9Sstevel@tonic-gate dp->d_fmd_dbout = dp->d_fg? FMD_DBOUT_STDERR : FMD_DBOUT_SYSLOG; 7097c478bd9Sstevel@tonic-gate else 7107c478bd9Sstevel@tonic-gate dp->d_fmd_dbout = dbout; 7117c478bd9Sstevel@tonic-gate 7127c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "client.debug", &dp->d_hdl_debug); 7137c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "client.dbout", &dbout); 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate if (dp->d_hdl_debug != 0 && dbout == 0) 7167c478bd9Sstevel@tonic-gate dp->d_hdl_dbout = dp->d_fg? FMD_DBOUT_STDERR : FMD_DBOUT_SYSLOG; 7177c478bd9Sstevel@tonic-gate else 7187c478bd9Sstevel@tonic-gate dp->d_hdl_dbout = dbout; 7197c478bd9Sstevel@tonic-gate 7207c478bd9Sstevel@tonic-gate /* 721d9638e54Smws * Initialize remaining major program data structures such as the 722d9638e54Smws * clock, dispatch queues, log files, module hash collections, etc. 7237c478bd9Sstevel@tonic-gate * This work is done here rather than in fmd_create() to permit the -o 7247c478bd9Sstevel@tonic-gate * command-line option to modify properties after fmd_create() is done. 7257c478bd9Sstevel@tonic-gate */ 7267c478bd9Sstevel@tonic-gate dp->d_clockptr = dp->d_clockops->fto_init(); 727d9638e54Smws dp->d_xprt_ids = fmd_idspace_create("xprt_ids", 1, INT_MAX); 728d9638e54Smws fmd_xprt_suspend_all(); 729d9638e54Smws 730d9638e54Smws (void) door_server_create(fmd_door); 7317c478bd9Sstevel@tonic-gate fmd_dr_init(); 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate dp->d_rmod->mod_timerids = fmd_idspace_create(dp->d_pname, 1, 16); 7347c478bd9Sstevel@tonic-gate dp->d_timers = fmd_timerq_create(); 7357c478bd9Sstevel@tonic-gate dp->d_disp = fmd_dispq_create(); 7367c478bd9Sstevel@tonic-gate dp->d_cases = fmd_case_hash_create(); 7377c478bd9Sstevel@tonic-gate 7387c478bd9Sstevel@tonic-gate /* 739d9638e54Smws * The root module's mod_queue is created with limit zero, making it 740d9638e54Smws * act like /dev/null; anything inserted here is simply ignored. 741d9638e54Smws */ 742d9638e54Smws dp->d_rmod->mod_queue = fmd_eventq_create(dp->d_rmod, 743d9638e54Smws &dp->d_rmod->mod_stats->ms_evqstat, &dp->d_rmod->mod_stats_lock, 0); 744d9638e54Smws 745d9638e54Smws /* 7467c478bd9Sstevel@tonic-gate * Once our subsystems that use signals have been set up, install the 7477c478bd9Sstevel@tonic-gate * signal handler for the fmd_thr_signal() API. Verify that the signal 7487c478bd9Sstevel@tonic-gate * being used for this purpose doesn't conflict with something else. 7497c478bd9Sstevel@tonic-gate */ 7507c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "client.thrsig", &dp->d_thr_sig); 7517c478bd9Sstevel@tonic-gate 7527c478bd9Sstevel@tonic-gate if (sigaction(dp->d_thr_sig, NULL, &act) != 0) { 7537c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, "invalid signal selected for " 7547c478bd9Sstevel@tonic-gate "client.thrsig property: %d\n", dp->d_thr_sig); 7557c478bd9Sstevel@tonic-gate } 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate if (act.sa_handler != SIG_IGN && act.sa_handler != SIG_DFL) { 7587c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, "signal selected for client.thrsig " 7597c478bd9Sstevel@tonic-gate "property is already in use: %d\n", dp->d_thr_sig); 7607c478bd9Sstevel@tonic-gate } 7617c478bd9Sstevel@tonic-gate 7627c478bd9Sstevel@tonic-gate act.sa_handler = fmd_signal; 7637c478bd9Sstevel@tonic-gate act.sa_flags = 0; 7647c478bd9Sstevel@tonic-gate 7657c478bd9Sstevel@tonic-gate (void) sigemptyset(&act.sa_mask); 7667c478bd9Sstevel@tonic-gate (void) sigaction(dp->d_thr_sig, &act, NULL); 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "schemedir", &name); 7697c478bd9Sstevel@tonic-gate dp->d_schemes = fmd_scheme_hash_create(dp->d_rootdir, name); 7707c478bd9Sstevel@tonic-gate 7717c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "log.rsrc", &name); 7727c478bd9Sstevel@tonic-gate dp->d_asrus = fmd_asru_hash_create(dp->d_rootdir, name); 7737c478bd9Sstevel@tonic-gate 7747c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "log.error", &name); 7757c478bd9Sstevel@tonic-gate dp->d_errlog = fmd_log_open(dp->d_rootdir, name, FMD_LOG_ERROR); 7767c478bd9Sstevel@tonic-gate 7777c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "log.fault", &name); 7787c478bd9Sstevel@tonic-gate dp->d_fltlog = fmd_log_open(dp->d_rootdir, name, FMD_LOG_FAULT); 7797c478bd9Sstevel@tonic-gate 7807c478bd9Sstevel@tonic-gate if (dp->d_asrus == NULL || dp->d_errlog == NULL || dp->d_fltlog == NULL) 7817c478bd9Sstevel@tonic-gate fmd_error(EFMD_EXIT, "failed to initialize log files\n"); 7827c478bd9Sstevel@tonic-gate 783d9638e54Smws /* 784d9638e54Smws * Before loading modules, create an empty control event which will act 785d9638e54Smws * as a global barrier for module event processing. Each module we 786d9638e54Smws * load successfully will insert it at their head of their event queue, 787d9638e54Smws * and then pause inside of fmd_ctl_rele() after dequeuing the event. 788d9638e54Smws * This module barrier is required for two reasons: 789d9638e54Smws * 790d9638e54Smws * (a) During module loading, the restoration of case checkpoints may 791d9638e54Smws * result in a list.* event being recreated for which the intended 792d9638e54Smws * subscriber has not yet loaded depending on the load order. Such 793d9638e54Smws * events could then result in spurious "no subscriber" errors. 794d9638e54Smws * 795d9638e54Smws * (b) During errlog replay, a sequence of errors from a long time ago 796d9638e54Smws * may be replayed, and the module may attempt to install relative 797d9638e54Smws * timers associated with one or more of these events. If errlog 798d9638e54Smws * replay were "racing" with active module threads, an event E1 799d9638e54Smws * that resulted in a relative timer T at time E1 + N nsec could 800d9638e54Smws * fire prior to an event E2 being enqueued, even if the relative 801d9638e54Smws * time ordering was E1 < E2 < E1 + N, causing mis-diagnosis. 802d9638e54Smws */ 803d9638e54Smws dp->d_mod_event = e = fmd_event_create(FMD_EVT_CTL, 804d9638e54Smws FMD_HRT_NOW, NULL, fmd_ctl_init(NULL)); 805d9638e54Smws 806d9638e54Smws fmd_event_hold(e); 807d9638e54Smws 808d9638e54Smws /* 809d9638e54Smws * Once all data structures are initialized, we load all of our modules 810d9638e54Smws * in order according to class in order to load up any subscriptions. 811d9638e54Smws * Once built-in modules are loaded, we detach from our waiting parent. 812d9638e54Smws */ 8137c478bd9Sstevel@tonic-gate dp->d_mod_hash = fmd_modhash_create(); 814d9638e54Smws 815d9638e54Smws if (fmd_builtin_loadall(dp->d_mod_hash) != 0 && !dp->d_fg) 816d9638e54Smws fmd_error(EFMD_EXIT, "failed to initialize fault manager\n"); 817d9638e54Smws 818d9638e54Smws (void) fmd_conf_getprop(dp->d_conf, "self.name", &name); 819d9638e54Smws dp->d_self = fmd_modhash_lookup(dp->d_mod_hash, name); 820d9638e54Smws 821d9638e54Smws if (dp->d_self != NULL && fmd_module_dc_key2code(dp->d_self, 822d9638e54Smws nodc_key, nodc_str, sizeof (nodc_str)) == 0) 823d9638e54Smws (void) fmd_conf_setprop(dp->d_conf, "nodiagcode", nodc_str); 824d9638e54Smws 825d9638e54Smws fmd_rpc_init(); 8267c478bd9Sstevel@tonic-gate dp->d_running = 1; /* we are now officially an active fmd */ 8277c478bd9Sstevel@tonic-gate 8287c478bd9Sstevel@tonic-gate /* 8297c478bd9Sstevel@tonic-gate * Now that we're running, if a pipe fd was specified, write an exit 8307c478bd9Sstevel@tonic-gate * status to it to indicate that our parent process can safely detach. 831d9638e54Smws * Then proceed to loading the remaining non-built-in modules. 8327c478bd9Sstevel@tonic-gate */ 8337c478bd9Sstevel@tonic-gate if (pfd >= 0) 8347c478bd9Sstevel@tonic-gate (void) write(pfd, &status, sizeof (status)); 8357c478bd9Sstevel@tonic-gate 8367c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "plugin.path", &pap); 8377c478bd9Sstevel@tonic-gate fmd_modhash_loadall(dp->d_mod_hash, pap, &fmd_rtld_ops); 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(dp->d_conf, "agent.path", &pap); 8407c478bd9Sstevel@tonic-gate fmd_modhash_loadall(dp->d_mod_hash, pap, &fmd_proc_ops); 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate /* 843d9638e54Smws * With all modules loaded, replay fault events from the ASRU cache for 844d9638e54Smws * any ASRUs that must be retired, replay error events from the errlog 845d9638e54Smws * that did not finish processing the last time ran, and then release 846d9638e54Smws * the global module barrier by executing a final rele on d_mod_event. 8477c478bd9Sstevel@tonic-gate */ 8487c478bd9Sstevel@tonic-gate fmd_asru_hash_refresh(dp->d_asrus); 8497c478bd9Sstevel@tonic-gate 8507c478bd9Sstevel@tonic-gate (void) pthread_rwlock_rdlock(&dp->d_log_lock); 8517c478bd9Sstevel@tonic-gate fmd_log_replay(dp->d_errlog, (fmd_log_f *)fmd_err_replay, dp); 8527c478bd9Sstevel@tonic-gate fmd_log_update(dp->d_errlog); 8537c478bd9Sstevel@tonic-gate (void) pthread_rwlock_unlock(&dp->d_log_lock); 8547c478bd9Sstevel@tonic-gate 855d9638e54Smws dp->d_mod_event = NULL; 856d9638e54Smws fmd_event_rele(e); 8577c478bd9Sstevel@tonic-gate 8587c478bd9Sstevel@tonic-gate /* 8597c478bd9Sstevel@tonic-gate * Finally, awaken any threads associated with receiving events from 860d9638e54Smws * open transports and tell them to proceed with fmd_xprt_recv(). 8617c478bd9Sstevel@tonic-gate */ 862d9638e54Smws fmd_xprt_resume_all(); 8637c478bd9Sstevel@tonic-gate fmd_gc(dp, 0, 0); 864d9638e54Smws 865d9638e54Smws dp->d_booted = 1; 8667c478bd9Sstevel@tonic-gate } 8677c478bd9Sstevel@tonic-gate 8687c478bd9Sstevel@tonic-gate void 8697c478bd9Sstevel@tonic-gate fmd_help(fmd_t *dp) 8707c478bd9Sstevel@tonic-gate { 8717c478bd9Sstevel@tonic-gate const fmd_conf_mode_t *cmp; 8727c478bd9Sstevel@tonic-gate 8737c478bd9Sstevel@tonic-gate (void) printf("Usage: %s -o debug=mode[,mode]\n", dp->d_pname); 8747c478bd9Sstevel@tonic-gate 8757c478bd9Sstevel@tonic-gate for (cmp = _fmd_debug_modes; cmp->cm_name != NULL; cmp++) 8767c478bd9Sstevel@tonic-gate (void) printf("\t%s\t%s\n", cmp->cm_name, cmp->cm_desc); 8777c478bd9Sstevel@tonic-gate } 878