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 580ab886dSwesolows * Common Development and Distribution License (the "License"). 680ab886dSwesolows * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21d9638e54Smws 227c478bd9Sstevel@tonic-gate /* 23d4c0a8c5Sstephh * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/types.h> 307c478bd9Sstevel@tonic-gate #include <sys/fm/protocol.h> 31*b7d3956bSstephh #include <fm/topo_hc.h> 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <unistd.h> 347c478bd9Sstevel@tonic-gate #include <signal.h> 357c478bd9Sstevel@tonic-gate #include <limits.h> 367c478bd9Sstevel@tonic-gate #include <syslog.h> 377c478bd9Sstevel@tonic-gate #include <alloca.h> 3824db4641Seschrock #include <stddef.h> 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #include <fmd_module.h> 417c478bd9Sstevel@tonic-gate #include <fmd_api.h> 427c478bd9Sstevel@tonic-gate #include <fmd_string.h> 437c478bd9Sstevel@tonic-gate #include <fmd_subr.h> 447c478bd9Sstevel@tonic-gate #include <fmd_error.h> 457c478bd9Sstevel@tonic-gate #include <fmd_event.h> 467c478bd9Sstevel@tonic-gate #include <fmd_eventq.h> 477c478bd9Sstevel@tonic-gate #include <fmd_dispq.h> 487c478bd9Sstevel@tonic-gate #include <fmd_timerq.h> 497c478bd9Sstevel@tonic-gate #include <fmd_thread.h> 507c478bd9Sstevel@tonic-gate #include <fmd_ustat.h> 517c478bd9Sstevel@tonic-gate #include <fmd_case.h> 527c478bd9Sstevel@tonic-gate #include <fmd_protocol.h> 537c478bd9Sstevel@tonic-gate #include <fmd_buf.h> 547c478bd9Sstevel@tonic-gate #include <fmd_asru.h> 557c478bd9Sstevel@tonic-gate #include <fmd_fmri.h> 560eb822a1Scindi #include <fmd_topo.h> 577c478bd9Sstevel@tonic-gate #include <fmd_ckpt.h> 58d9638e54Smws #include <fmd_xprt.h> 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate #include <fmd.h> 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate /* 637c478bd9Sstevel@tonic-gate * Table of configuration file variable types ops-vector pointers. We use this 647c478bd9Sstevel@tonic-gate * to convert from the property description array specified by the module to an 657c478bd9Sstevel@tonic-gate * array of fmd_conf_formal_t's. The order of this array must match the order 667c478bd9Sstevel@tonic-gate * of #define values specified in <fmd_api.h> (i.e. FMD_TYPE_BOOL must be 0). 677c478bd9Sstevel@tonic-gate * For now, the fmd_conf_list and fmd_conf_path types are not supported as we 687c478bd9Sstevel@tonic-gate * do not believe modules need them and they would require more complexity. 697c478bd9Sstevel@tonic-gate */ 707c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t *const _fmd_prop_ops[] = { 717c478bd9Sstevel@tonic-gate &fmd_conf_bool, /* FMD_TYPE_BOOL */ 727c478bd9Sstevel@tonic-gate &fmd_conf_int32, /* FMD_TYPE_INT32 */ 737c478bd9Sstevel@tonic-gate &fmd_conf_uint32, /* FMD_TYPE_UINT32 */ 747c478bd9Sstevel@tonic-gate &fmd_conf_int64, /* FMD_TYPE_INT64 */ 757c478bd9Sstevel@tonic-gate &fmd_conf_uint64, /* FMD_TYPE_UINT64 */ 767c478bd9Sstevel@tonic-gate &fmd_conf_string, /* FMD_TYPE_STRING */ 777c478bd9Sstevel@tonic-gate &fmd_conf_time, /* FMD_TYPE_TIME */ 787c478bd9Sstevel@tonic-gate &fmd_conf_size, /* FMD_TYPE_SIZE */ 797c478bd9Sstevel@tonic-gate }; 807c478bd9Sstevel@tonic-gate 8180ab886dSwesolows static void fmd_api_verror(fmd_module_t *, int, const char *, va_list) 8280ab886dSwesolows __NORETURN; 8380ab886dSwesolows static void fmd_api_error(fmd_module_t *, int, const char *, ...) __NORETURN; 8480ab886dSwesolows 857c478bd9Sstevel@tonic-gate /* 867c478bd9Sstevel@tonic-gate * fmd_api_vxerror() provides the engine underlying the fmd_hdl_[v]error() API 877c478bd9Sstevel@tonic-gate * calls and the fmd_api_[v]error() utility routine defined below. The routine 887c478bd9Sstevel@tonic-gate * formats the error, optionally associated with a particular errno code 'err', 897c478bd9Sstevel@tonic-gate * and logs it as an ereport associated with the calling module. Depending on 907c478bd9Sstevel@tonic-gate * other optional properties, we also emit a message to stderr and to syslog. 917c478bd9Sstevel@tonic-gate */ 927c478bd9Sstevel@tonic-gate static void 937c478bd9Sstevel@tonic-gate fmd_api_vxerror(fmd_module_t *mp, int err, const char *format, va_list ap) 947c478bd9Sstevel@tonic-gate { 95d9638e54Smws int raw_err = err; 967c478bd9Sstevel@tonic-gate nvlist_t *nvl; 977c478bd9Sstevel@tonic-gate fmd_event_t *e; 987c478bd9Sstevel@tonic-gate char *class, *msg; 997c478bd9Sstevel@tonic-gate size_t len1, len2; 1007c478bd9Sstevel@tonic-gate char c; 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate /* 1037c478bd9Sstevel@tonic-gate * fmd_api_vxerror() counts as both an error of class EFMD_MODULE 1047c478bd9Sstevel@tonic-gate * as well as an instance of 'err' w.r.t. our internal bean counters. 1057c478bd9Sstevel@tonic-gate */ 1067c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&fmd.d_err_lock); 1077c478bd9Sstevel@tonic-gate fmd.d_errstats[EFMD_MODULE - EFMD_UNKNOWN].fmds_value.ui64++; 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate if (err > EFMD_UNKNOWN && err < EFMD_END) 1107c478bd9Sstevel@tonic-gate fmd.d_errstats[err - EFMD_UNKNOWN].fmds_value.ui64++; 1117c478bd9Sstevel@tonic-gate 1127c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&fmd.d_err_lock); 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate /* 1157c478bd9Sstevel@tonic-gate * Format the message using vsnprintf(). As usual, if the format has a 1167c478bd9Sstevel@tonic-gate * newline in it, it is printed alone; otherwise strerror() is added. 1177c478bd9Sstevel@tonic-gate */ 1187c478bd9Sstevel@tonic-gate if (strchr(format, '\n') != NULL) 1197c478bd9Sstevel@tonic-gate err = 0; /* err is not relevant in the message */ 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate len1 = vsnprintf(&c, 1, format, ap); 1227c478bd9Sstevel@tonic-gate len2 = err != 0 ? snprintf(&c, 1, ": %s\n", fmd_strerror(err)) : 0; 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate msg = fmd_alloc(len1 + len2 + 1, FMD_SLEEP); 1257c478bd9Sstevel@tonic-gate (void) vsnprintf(msg, len1 + 1, format, ap); 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate if (err != 0) { 1287c478bd9Sstevel@tonic-gate (void) snprintf(&msg[len1], len2 + 1, 1297c478bd9Sstevel@tonic-gate ": %s\n", fmd_strerror(err)); 1307c478bd9Sstevel@tonic-gate } 1317c478bd9Sstevel@tonic-gate 1327c478bd9Sstevel@tonic-gate /* 1337c478bd9Sstevel@tonic-gate * Create an error event corresponding to the error, insert it into the 1347c478bd9Sstevel@tonic-gate * error log, and dispatch it to the fmd-self-diagnosis engine. 1357c478bd9Sstevel@tonic-gate */ 136d9638e54Smws if (mp != fmd.d_self && (raw_err != EFMD_HDL_ABORT || fmd.d_running)) { 1377c478bd9Sstevel@tonic-gate if ((c = msg[len1 + len2 - 1]) == '\n') 1387c478bd9Sstevel@tonic-gate msg[len1 + len2 - 1] = '\0'; /* strip \n for event */ 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate nvl = fmd_protocol_moderror(mp, err, msg); 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate if (c == '\n') 1437c478bd9Sstevel@tonic-gate msg[len1 + len2 - 1] = c; 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate (void) nvlist_lookup_string(nvl, FM_CLASS, &class); 1467c478bd9Sstevel@tonic-gate e = fmd_event_create(FMD_EVT_PROTOCOL, FMD_HRT_NOW, nvl, class); 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate (void) pthread_rwlock_rdlock(&fmd.d_log_lock); 1497c478bd9Sstevel@tonic-gate fmd_log_append(fmd.d_errlog, e, NULL); 1507c478bd9Sstevel@tonic-gate (void) pthread_rwlock_unlock(&fmd.d_log_lock); 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate fmd_event_transition(e, FMD_EVS_ACCEPTED); 1537c478bd9Sstevel@tonic-gate fmd_event_commit(e); 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate fmd_dispq_dispatch(fmd.d_disp, e, class); 1567c478bd9Sstevel@tonic-gate } 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate /* 1597c478bd9Sstevel@tonic-gate * Similar to fmd_vdebug(), if the debugging switches are enabled we 1607c478bd9Sstevel@tonic-gate * echo the module name and message to stderr and/or syslog. Unlike 1617c478bd9Sstevel@tonic-gate * fmd_vdebug(), we also print to stderr if foreground mode is enabled. 162d9638e54Smws * We also print the message if a built-in module is aborting before 163d9638e54Smws * fmd has detached from its parent (e.g. default transport failure). 1647c478bd9Sstevel@tonic-gate */ 165d9638e54Smws if (fmd.d_fg || (fmd.d_hdl_dbout & FMD_DBOUT_STDERR) || ( 166d9638e54Smws raw_err == EFMD_HDL_ABORT && !fmd.d_running)) { 1677c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&fmd.d_err_lock); 1687c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: %s: %s", 1697c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 1707c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&fmd.d_err_lock); 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate if (fmd.d_hdl_dbout & FMD_DBOUT_SYSLOG) { 1747c478bd9Sstevel@tonic-gate syslog(LOG_ERR | LOG_DAEMON, "%s ERROR: %s: %s", 1757c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 1767c478bd9Sstevel@tonic-gate } 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate fmd_free(msg, len1 + len2 + 1); 1797c478bd9Sstevel@tonic-gate } 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate /*PRINTFLIKE3*/ 1827c478bd9Sstevel@tonic-gate static void 1837c478bd9Sstevel@tonic-gate fmd_api_xerror(fmd_module_t *mp, int err, const char *format, ...) 1847c478bd9Sstevel@tonic-gate { 1857c478bd9Sstevel@tonic-gate va_list ap; 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate va_start(ap, format); 1887c478bd9Sstevel@tonic-gate fmd_api_vxerror(mp, err, format, ap); 1897c478bd9Sstevel@tonic-gate va_end(ap); 1907c478bd9Sstevel@tonic-gate } 1917c478bd9Sstevel@tonic-gate 1927c478bd9Sstevel@tonic-gate /* 1937c478bd9Sstevel@tonic-gate * fmd_api_verror() is a wrapper around fmd_api_vxerror() for API subroutines. 1947c478bd9Sstevel@tonic-gate * It calls fmd_module_unlock() on behalf of its caller, logs the error, and 1957c478bd9Sstevel@tonic-gate * then aborts the API call and the surrounding module entry point by doing an 1967c478bd9Sstevel@tonic-gate * fmd_module_abort(), which longjmps to the place where we entered the module. 1977c478bd9Sstevel@tonic-gate */ 1987c478bd9Sstevel@tonic-gate static void 1997c478bd9Sstevel@tonic-gate fmd_api_verror(fmd_module_t *mp, int err, const char *format, va_list ap) 2007c478bd9Sstevel@tonic-gate { 2017c478bd9Sstevel@tonic-gate if (fmd_module_locked(mp)) 2027c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate fmd_api_vxerror(mp, err, format, ap); 2057c478bd9Sstevel@tonic-gate fmd_module_abort(mp, err); 2067c478bd9Sstevel@tonic-gate } 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate /*PRINTFLIKE3*/ 2097c478bd9Sstevel@tonic-gate static void 2107c478bd9Sstevel@tonic-gate fmd_api_error(fmd_module_t *mp, int err, const char *format, ...) 2117c478bd9Sstevel@tonic-gate { 2127c478bd9Sstevel@tonic-gate va_list ap; 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate va_start(ap, format); 2157c478bd9Sstevel@tonic-gate fmd_api_verror(mp, err, format, ap); 2167c478bd9Sstevel@tonic-gate va_end(ap); 2177c478bd9Sstevel@tonic-gate } 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate /* 220d9638e54Smws * Common code for fmd_api_module_lock() and fmd_api_transport_impl(). This 221d9638e54Smws * code verifies that the handle is valid and associated with a proper thread. 2227c478bd9Sstevel@tonic-gate */ 2237c478bd9Sstevel@tonic-gate static fmd_module_t * 224d9638e54Smws fmd_api_module(fmd_hdl_t *hdl) 2257c478bd9Sstevel@tonic-gate { 2267c478bd9Sstevel@tonic-gate fmd_thread_t *tp; 2277c478bd9Sstevel@tonic-gate fmd_module_t *mp; 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate /* 2307c478bd9Sstevel@tonic-gate * If our TSD is not present at all, this is either a serious bug or 2317c478bd9Sstevel@tonic-gate * someone has created a thread behind our back and is using fmd's API. 2327c478bd9Sstevel@tonic-gate * We can't call fmd_api_error() because we can't be sure that we can 2337c478bd9Sstevel@tonic-gate * unwind our state back to an enclosing fmd_module_dispatch(), so we 2347c478bd9Sstevel@tonic-gate * must panic instead. This is likely a module design or coding error. 2357c478bd9Sstevel@tonic-gate */ 2367c478bd9Sstevel@tonic-gate if ((tp = pthread_getspecific(fmd.d_key)) == NULL) { 2377c478bd9Sstevel@tonic-gate fmd_panic("fmd module api call made using " 2387c478bd9Sstevel@tonic-gate "client handle %p from unknown thread\n", (void *)hdl); 2397c478bd9Sstevel@tonic-gate } 2407c478bd9Sstevel@tonic-gate 241d9638e54Smws /* 242d9638e54Smws * If our TSD refers to the root module and is a door server thread, 243d9638e54Smws * then it was created asynchronously at the request of a module but 244d9638e54Smws * is using now the module API as an auxiliary module thread. We reset 245d9638e54Smws * tp->thr_mod to the module handle so it can act as a module thread. 246d9638e54Smws */ 247d9638e54Smws if (tp->thr_mod == fmd.d_rmod && tp->thr_func == &fmd_door_server) 248d9638e54Smws tp->thr_mod = (fmd_module_t *)hdl; 249d9638e54Smws 2507c478bd9Sstevel@tonic-gate if ((mp = tp->thr_mod) != (fmd_module_t *)hdl) { 2517c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_HDL_INVAL, 2527c478bd9Sstevel@tonic-gate "client handle %p is not valid\n", (void *)hdl); 2537c478bd9Sstevel@tonic-gate } 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate if (mp->mod_flags & FMD_MOD_FAIL) { 2567c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_MOD_FAIL, 2577c478bd9Sstevel@tonic-gate "module has experienced an unrecoverable error\n"); 2587c478bd9Sstevel@tonic-gate } 2597c478bd9Sstevel@tonic-gate 260d9638e54Smws return (mp); 261d9638e54Smws } 262d9638e54Smws 263d9638e54Smws /* 264d9638e54Smws * fmd_api_module_lock() is used as a wrapper around fmd_module_lock() and a 265d9638e54Smws * common prologue to each fmd_api.c routine. It verifies that the handle is 266d9638e54Smws * valid and owned by the current server thread, locks the handle, and then 267d9638e54Smws * verifies that the caller is performing an operation on a registered handle. 268d9638e54Smws * If any tests fail, the entire API call is aborted by fmd_api_error(). 269d9638e54Smws */ 270d9638e54Smws static fmd_module_t * 271d9638e54Smws fmd_api_module_lock(fmd_hdl_t *hdl) 272d9638e54Smws { 273d9638e54Smws fmd_module_t *mp = fmd_api_module(hdl); 274d9638e54Smws 2757c478bd9Sstevel@tonic-gate fmd_module_lock(mp); 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate if (mp->mod_info == NULL) { 2787c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_HDL_NOTREG, 2797c478bd9Sstevel@tonic-gate "client handle %p has not been registered\n", (void *)hdl); 2807c478bd9Sstevel@tonic-gate } 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate return (mp); 2837c478bd9Sstevel@tonic-gate } 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate /* 2867c478bd9Sstevel@tonic-gate * Utility function for API entry points that accept fmd_case_t's. We cast cp 2877c478bd9Sstevel@tonic-gate * to fmd_case_impl_t and check to make sure the case is owned by the caller. 2887c478bd9Sstevel@tonic-gate */ 2897c478bd9Sstevel@tonic-gate static fmd_case_impl_t * 2907c478bd9Sstevel@tonic-gate fmd_api_case_impl(fmd_module_t *mp, fmd_case_t *cp) 2917c478bd9Sstevel@tonic-gate { 2927c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = (fmd_case_impl_t *)cp; 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate if (cip == NULL || cip->ci_mod != mp) { 2957c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_OWNER, 296d9638e54Smws "case %p is invalid or not owned by caller\n", (void *)cip); 2977c478bd9Sstevel@tonic-gate } 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate return (cip); 3007c478bd9Sstevel@tonic-gate } 3017c478bd9Sstevel@tonic-gate 302d9638e54Smws /* 303d9638e54Smws * Utility function for API entry points that accept fmd_xprt_t's. We cast xp 304d9638e54Smws * to fmd_transport_t and check to make sure the case is owned by the caller. 305d9638e54Smws * Note that we could make this check safer by actually walking mp's transport 306d9638e54Smws * list, but that requires holding the module lock and this routine needs to be 307d9638e54Smws * MT-hot w.r.t. auxiliary module threads. Ultimately any loadable module can 308d9638e54Smws * cause us to crash anyway, so we optimize for scalability over safety here. 309d9638e54Smws */ 310d9638e54Smws static fmd_xprt_impl_t * 311d9638e54Smws fmd_api_transport_impl(fmd_hdl_t *hdl, fmd_xprt_t *xp) 312d9638e54Smws { 313d9638e54Smws fmd_module_t *mp = fmd_api_module(hdl); 314d9638e54Smws fmd_xprt_impl_t *xip = (fmd_xprt_impl_t *)xp; 315d9638e54Smws 316d9638e54Smws if (xip == NULL || xip->xi_queue->eq_mod != mp) { 317d9638e54Smws fmd_api_error(mp, EFMD_XPRT_OWNER, 318d9638e54Smws "xprt %p is invalid or not owned by caller\n", (void *)xp); 319d9638e54Smws } 320d9638e54Smws 321d9638e54Smws return (xip); 322d9638e54Smws } 323d9638e54Smws 3247c478bd9Sstevel@tonic-gate /* 3257c478bd9Sstevel@tonic-gate * fmd_hdl_register() is the one function which cannot use fmd_api_error() to 3267c478bd9Sstevel@tonic-gate * report errors, because that routine causes the module to abort. Failure to 3277c478bd9Sstevel@tonic-gate * register is instead handled by having fmd_hdl_register() return an error to 3287c478bd9Sstevel@tonic-gate * the _fmd_init() function and then detecting no registration when it returns. 3297c478bd9Sstevel@tonic-gate * So we use this routine for fmd_hdl_register() error paths instead. 3307c478bd9Sstevel@tonic-gate */ 3317c478bd9Sstevel@tonic-gate static int 3327c478bd9Sstevel@tonic-gate fmd_hdl_register_error(fmd_module_t *mp, int err) 3337c478bd9Sstevel@tonic-gate { 3347c478bd9Sstevel@tonic-gate if (fmd_module_locked(mp)) 3357c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate fmd_api_xerror(mp, err, "failed to register"); 3387c478bd9Sstevel@tonic-gate return (fmd_set_errno(err)); 3397c478bd9Sstevel@tonic-gate } 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate static void 3427c478bd9Sstevel@tonic-gate fmd_hdl_nop(void) 3437c478bd9Sstevel@tonic-gate { 3447c478bd9Sstevel@tonic-gate /* empty function for use with unspecified module entry points */ 3457c478bd9Sstevel@tonic-gate } 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate int 3487c478bd9Sstevel@tonic-gate fmd_hdl_register(fmd_hdl_t *hdl, int version, const fmd_hdl_info_t *mip) 3497c478bd9Sstevel@tonic-gate { 3507c478bd9Sstevel@tonic-gate fmd_thread_t *tp = pthread_getspecific(fmd.d_key); 3517c478bd9Sstevel@tonic-gate fmd_module_t *mp = tp->thr_mod; 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate const fmd_prop_t *prop; 3547c478bd9Sstevel@tonic-gate const fmd_conf_path_t *pap; 3557c478bd9Sstevel@tonic-gate fmd_conf_formal_t *cfp; 356d9638e54Smws fmd_hdl_ops_t ops; 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate const char *conf = NULL; 3597c478bd9Sstevel@tonic-gate char buf[PATH_MAX]; 3607c478bd9Sstevel@tonic-gate int i; 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate if (mp != (fmd_module_t *)hdl) 3637c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_INVAL)); 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate fmd_module_lock(mp); 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate /* 3687c478bd9Sstevel@tonic-gate * First perform some sanity checks on our input. The API version must 3697c478bd9Sstevel@tonic-gate * be supported by FMD and the handle can only be registered once by 3707c478bd9Sstevel@tonic-gate * the module thread to which we assigned this client handle. The info 3717c478bd9Sstevel@tonic-gate * provided for the handle must be valid and have the minimal settings. 3727c478bd9Sstevel@tonic-gate */ 37324db4641Seschrock if (version > FMD_API_VERSION_4) 3747c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_VER_NEW)); 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate if (version < FMD_API_VERSION_1) 3777c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_VER_OLD)); 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate if (mp->mod_conf != NULL) 3807c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_REG)); 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate if (pthread_self() != mp->mod_thread->thr_tid) 3837c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_TID)); 3847c478bd9Sstevel@tonic-gate 385d9638e54Smws if (mip == NULL || mip->fmdi_desc == NULL || 386d9638e54Smws mip->fmdi_vers == NULL || mip->fmdi_ops == NULL) 3877c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_INFO)); 3887c478bd9Sstevel@tonic-gate 389d9638e54Smws /* 390d9638e54Smws * Copy the module's ops vector into a local variable to account for 391d9638e54Smws * changes in the module ABI. Then if any of the optional entry points 392d9638e54Smws * are NULL, set them to nop so we don't have to check before calling. 393d9638e54Smws */ 394d9638e54Smws bzero(&ops, sizeof (ops)); 395d9638e54Smws 396d9638e54Smws if (version < FMD_API_VERSION_3) 39724db4641Seschrock bcopy(mip->fmdi_ops, &ops, offsetof(fmd_hdl_ops_t, fmdo_send)); 39824db4641Seschrock else if (version < FMD_API_VERSION_4) 39924db4641Seschrock bcopy(mip->fmdi_ops, &ops, 40024db4641Seschrock offsetof(fmd_hdl_ops_t, fmdo_topo)); 401d9638e54Smws else 402d9638e54Smws bcopy(mip->fmdi_ops, &ops, sizeof (ops)); 403d9638e54Smws 404d9638e54Smws if (ops.fmdo_recv == NULL) 405d9638e54Smws ops.fmdo_recv = (void (*)())fmd_hdl_nop; 406d9638e54Smws if (ops.fmdo_timeout == NULL) 407d9638e54Smws ops.fmdo_timeout = (void (*)())fmd_hdl_nop; 408d9638e54Smws if (ops.fmdo_close == NULL) 409d9638e54Smws ops.fmdo_close = (void (*)())fmd_hdl_nop; 410d9638e54Smws if (ops.fmdo_stats == NULL) 411d9638e54Smws ops.fmdo_stats = (void (*)())fmd_hdl_nop; 412d9638e54Smws if (ops.fmdo_gc == NULL) 413d9638e54Smws ops.fmdo_gc = (void (*)())fmd_hdl_nop; 414d9638e54Smws if (ops.fmdo_send == NULL) 415d9638e54Smws ops.fmdo_send = (int (*)())fmd_hdl_nop; 41624db4641Seschrock if (ops.fmdo_topo == NULL) 41724db4641Seschrock ops.fmdo_topo = (void (*)())fmd_hdl_nop; 418d9638e54Smws 4197c478bd9Sstevel@tonic-gate /* 4207c478bd9Sstevel@tonic-gate * Make two passes through the property array to initialize the formals 4217c478bd9Sstevel@tonic-gate * to use for processing the module's .conf file. In the first pass, 4227c478bd9Sstevel@tonic-gate * we validate the types and count the number of properties. In the 4237c478bd9Sstevel@tonic-gate * second pass we copy the strings and fill in the appropriate ops. 4247c478bd9Sstevel@tonic-gate */ 4257c478bd9Sstevel@tonic-gate for (prop = mip->fmdi_props, i = 0; prop != NULL && 4267c478bd9Sstevel@tonic-gate prop->fmdp_name != NULL; prop++, i++) { 4277c478bd9Sstevel@tonic-gate if (prop->fmdp_type >= 4287c478bd9Sstevel@tonic-gate sizeof (_fmd_prop_ops) / sizeof (_fmd_prop_ops[0])) { 4297c478bd9Sstevel@tonic-gate fmd_api_xerror(mp, EFMD_HDL_PROP, 4307c478bd9Sstevel@tonic-gate "property %s uses invalid type %u\n", 4317c478bd9Sstevel@tonic-gate prop->fmdp_name, prop->fmdp_type); 4327c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_PROP)); 4337c478bd9Sstevel@tonic-gate } 4347c478bd9Sstevel@tonic-gate } 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate mp->mod_argc = i; 4377c478bd9Sstevel@tonic-gate mp->mod_argv = fmd_zalloc(sizeof (fmd_conf_formal_t) * i, FMD_SLEEP); 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate prop = mip->fmdi_props; 4407c478bd9Sstevel@tonic-gate cfp = mp->mod_argv; 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate for (i = 0; i < mp->mod_argc; i++, prop++, cfp++) { 4437c478bd9Sstevel@tonic-gate cfp->cf_name = fmd_strdup(prop->fmdp_name, FMD_SLEEP); 4447c478bd9Sstevel@tonic-gate cfp->cf_ops = _fmd_prop_ops[prop->fmdp_type]; 4457c478bd9Sstevel@tonic-gate cfp->cf_default = fmd_strdup(prop->fmdp_defv, FMD_SLEEP); 4467c478bd9Sstevel@tonic-gate } 4477c478bd9Sstevel@tonic-gate 4487c478bd9Sstevel@tonic-gate /* 4497c478bd9Sstevel@tonic-gate * If this module came from an on-disk file, compute the name of the 4507c478bd9Sstevel@tonic-gate * corresponding .conf file and parse properties from it if it exists. 4517c478bd9Sstevel@tonic-gate */ 4527c478bd9Sstevel@tonic-gate if (mp->mod_path != NULL) { 4537c478bd9Sstevel@tonic-gate (void) strlcpy(buf, mp->mod_path, sizeof (buf)); 4547c478bd9Sstevel@tonic-gate (void) fmd_strdirname(buf); 4557c478bd9Sstevel@tonic-gate 4567c478bd9Sstevel@tonic-gate (void) strlcat(buf, "/", sizeof (buf)); 4577c478bd9Sstevel@tonic-gate (void) strlcat(buf, mp->mod_name, sizeof (buf)); 4587c478bd9Sstevel@tonic-gate (void) strlcat(buf, ".conf", sizeof (buf)); 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate if (access(buf, F_OK) == 0) 4617c478bd9Sstevel@tonic-gate conf = buf; 4627c478bd9Sstevel@tonic-gate } 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate if ((mp->mod_conf = fmd_conf_open(conf, 465d9638e54Smws mp->mod_argc, mp->mod_argv, 0)) == NULL) 4667c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_MOD_CONF)); 4677c478bd9Sstevel@tonic-gate 468d9638e54Smws fmd_conf_propagate(fmd.d_conf, mp->mod_conf, mp->mod_name); 469d9638e54Smws 4707c478bd9Sstevel@tonic-gate /* 4717c478bd9Sstevel@tonic-gate * Look up the list of the libdiagcode dictionaries associated with the 4727c478bd9Sstevel@tonic-gate * module. If none were specified, use the value from daemon's config. 4737c478bd9Sstevel@tonic-gate * We only fail if the module specified an explicit dictionary. 4747c478bd9Sstevel@tonic-gate */ 4757c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_DICTIONARIES, &pap); 4767c478bd9Sstevel@tonic-gate if (pap->cpa_argc == 0 && mp->mod_ops == &fmd_bltin_ops) 4777c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(fmd.d_conf, "self.dict", &pap); 4787c478bd9Sstevel@tonic-gate 4797c478bd9Sstevel@tonic-gate for (i = 0; i < pap->cpa_argc; i++) { 4807c478bd9Sstevel@tonic-gate if (fmd_module_dc_opendict(mp, pap->cpa_argv[i]) != 0) { 4817c478bd9Sstevel@tonic-gate fmd_api_xerror(mp, errno, 4827c478bd9Sstevel@tonic-gate "failed to open dictionary %s", pap->cpa_argv[i]); 4837c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_MOD_CONF)); 4847c478bd9Sstevel@tonic-gate } 4857c478bd9Sstevel@tonic-gate } 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate /* 4887c478bd9Sstevel@tonic-gate * Make a copy of the handle information and store it in mod_info. We 4897c478bd9Sstevel@tonic-gate * do not need to bother copying fmdi_props since they're already read. 4907c478bd9Sstevel@tonic-gate */ 4917c478bd9Sstevel@tonic-gate mp->mod_info = fmd_alloc(sizeof (fmd_hdl_info_t), FMD_SLEEP); 4927c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_desc = fmd_strdup(mip->fmdi_desc, FMD_SLEEP); 4937c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_vers = fmd_strdup(mip->fmdi_vers, FMD_SLEEP); 4947c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_ops = fmd_alloc(sizeof (fmd_hdl_ops_t), FMD_SLEEP); 495d9638e54Smws bcopy(&ops, (void *)mp->mod_info->fmdi_ops, sizeof (fmd_hdl_ops_t)); 4967c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_props = NULL; 4977c478bd9Sstevel@tonic-gate 49819e1255fScy /* 49919e1255fScy * Store a copy of module version in mp for fmd_scheme_fmd_present() 50019e1255fScy */ 50119e1255fScy if (mp->mod_vers == NULL) 50219e1255fScy mp->mod_vers = fmd_strdup(mip->fmdi_vers, FMD_SLEEP); 50319e1255fScy 5047c478bd9Sstevel@tonic-gate /* 5057c478bd9Sstevel@tonic-gate * Allocate an FMRI representing this module. We'll use this later 5067c478bd9Sstevel@tonic-gate * if the module decides to publish any events (e.g. list.suspects). 5077c478bd9Sstevel@tonic-gate */ 5087c478bd9Sstevel@tonic-gate mp->mod_fmri = fmd_protocol_fmri_module(mp); 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate /* 5117c478bd9Sstevel@tonic-gate * Any subscriptions specified in the conf file are now stored in the 5127c478bd9Sstevel@tonic-gate * corresponding property. Add all of these to the dispatch queue. 5137c478bd9Sstevel@tonic-gate */ 5147c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_SUBSCRIPTIONS, &pap); 5157c478bd9Sstevel@tonic-gate 516d9638e54Smws for (i = 0; i < pap->cpa_argc; i++) { 517d9638e54Smws fmd_dispq_insert(fmd.d_disp, mp->mod_queue, pap->cpa_argv[i]); 518d9638e54Smws fmd_xprt_subscribe_all(pap->cpa_argv[i]); 519d9638e54Smws } 5207c478bd9Sstevel@tonic-gate 5217c478bd9Sstevel@tonic-gate /* 5227c478bd9Sstevel@tonic-gate * Unlock the module and restore any pre-existing module checkpoint. 5237c478bd9Sstevel@tonic-gate * If the checkpoint is missing or corrupt, we just keep going. 5247c478bd9Sstevel@tonic-gate */ 5257c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 5267c478bd9Sstevel@tonic-gate fmd_ckpt_restore(mp); 5277c478bd9Sstevel@tonic-gate return (0); 5287c478bd9Sstevel@tonic-gate } 5297c478bd9Sstevel@tonic-gate 530d9638e54Smws /* 531d9638e54Smws * If an auxiliary thread exists for the specified module at unregistration 532d9638e54Smws * time, send it an asynchronous cancellation to force it to exit and then 533d9638e54Smws * join with it (we expect this to either succeed quickly or return ESRCH). 534d9638e54Smws * Once this is complete we can destroy the associated fmd_thread_t data. 535d9638e54Smws */ 536d9638e54Smws static void 537d9638e54Smws fmd_module_thrcancel(fmd_idspace_t *ids, id_t id, fmd_module_t *mp) 538d9638e54Smws { 539d9638e54Smws fmd_thread_t *tp = fmd_idspace_getspecific(ids, id); 540d9638e54Smws 541d9638e54Smws fmd_dprintf(FMD_DBG_MOD, "cancelling %s auxiliary thread %u\n", 542d9638e54Smws mp->mod_name, tp->thr_tid); 543d9638e54Smws 544d9638e54Smws ASSERT(tp->thr_tid == id); 545d9638e54Smws (void) pthread_cancel(tp->thr_tid); 546d9638e54Smws (void) pthread_join(tp->thr_tid, NULL); 547d9638e54Smws 548d9638e54Smws fmd_thread_destroy(tp, FMD_THREAD_NOJOIN); 549d9638e54Smws } 550d9638e54Smws 5517c478bd9Sstevel@tonic-gate void 5527c478bd9Sstevel@tonic-gate fmd_module_unregister(fmd_module_t *mp) 5537c478bd9Sstevel@tonic-gate { 5547c478bd9Sstevel@tonic-gate fmd_conf_formal_t *cfp = mp->mod_argv; 5557c478bd9Sstevel@tonic-gate const fmd_conf_path_t *pap; 556d9638e54Smws fmd_case_t *cp; 557d9638e54Smws fmd_xprt_t *xp; 5587c478bd9Sstevel@tonic-gate int i; 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate TRACE((FMD_DBG_MOD, "unregister %p (%s)", (void *)mp, mp->mod_name)); 5617c478bd9Sstevel@tonic-gate ASSERT(fmd_module_locked(mp)); 5627c478bd9Sstevel@tonic-gate 563d9638e54Smws /* 564d9638e54Smws * If any transports are still open, they have send threads that are 565d9638e54Smws * using the module handle: shut them down and join with these threads. 566d9638e54Smws */ 567d9638e54Smws while ((xp = fmd_list_next(&mp->mod_transports)) != NULL) 568d9638e54Smws fmd_xprt_destroy(xp); 569d9638e54Smws 570d9638e54Smws /* 571d9638e54Smws * If any auxiliary threads exist, they may be using our module handle, 572d9638e54Smws * and therefore could cause a fault as soon as we start destroying it. 573d9638e54Smws * Module writers should clean up any threads before unregistering: we 574d9638e54Smws * forcibly cancel any remaining auxiliary threads before proceeding. 575d9638e54Smws */ 576d9638e54Smws fmd_idspace_apply(mp->mod_threads, 577d9638e54Smws (void (*)())fmd_module_thrcancel, mp); 578d9638e54Smws 57933129b33Sayznaga if (mp->mod_error == 0) 58033129b33Sayznaga fmd_ckpt_save(mp); /* take one more checkpoint if needed */ 58133129b33Sayznaga 582d9638e54Smws /* 583d9638e54Smws * Delete any cases associated with the module (UNSOLVED, SOLVED, or 584d9638e54Smws * CLOSE_WAIT) as if fmdo_close() has finished processing them. 585d9638e54Smws */ 586d9638e54Smws while ((cp = fmd_list_next(&mp->mod_cases)) != NULL) 587d9638e54Smws fmd_case_delete(cp); 588d9638e54Smws 589d9638e54Smws fmd_ustat_delete_references(mp->mod_ustat); 5907c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_SUBSCRIPTIONS, &pap); 5917c478bd9Sstevel@tonic-gate 592d9638e54Smws for (i = 0; i < pap->cpa_argc; i++) { 593d9638e54Smws fmd_xprt_unsubscribe_all(pap->cpa_argv[i]); 594d9638e54Smws fmd_dispq_delete(fmd.d_disp, mp->mod_queue, pap->cpa_argv[i]); 5957c478bd9Sstevel@tonic-gate } 5967c478bd9Sstevel@tonic-gate 5977c478bd9Sstevel@tonic-gate fmd_conf_close(mp->mod_conf); 5987c478bd9Sstevel@tonic-gate mp->mod_conf = NULL; 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate for (i = 0; i < mp->mod_argc; i++, cfp++) { 6017c478bd9Sstevel@tonic-gate fmd_strfree((char *)cfp->cf_name); 6027c478bd9Sstevel@tonic-gate fmd_strfree((char *)cfp->cf_default); 6037c478bd9Sstevel@tonic-gate } 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate fmd_free(mp->mod_argv, sizeof (fmd_conf_formal_t) * mp->mod_argc); 6067c478bd9Sstevel@tonic-gate mp->mod_argv = NULL; 6077c478bd9Sstevel@tonic-gate mp->mod_argc = 0; 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate nvlist_free(mp->mod_fmri); 6107c478bd9Sstevel@tonic-gate mp->mod_fmri = NULL; 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate fmd_strfree((char *)mp->mod_info->fmdi_desc); 6137c478bd9Sstevel@tonic-gate fmd_strfree((char *)mp->mod_info->fmdi_vers); 6147c478bd9Sstevel@tonic-gate fmd_free((void *)mp->mod_info->fmdi_ops, sizeof (fmd_hdl_ops_t)); 6157c478bd9Sstevel@tonic-gate fmd_free(mp->mod_info, sizeof (fmd_hdl_info_t)); 6167c478bd9Sstevel@tonic-gate mp->mod_info = NULL; 6177c478bd9Sstevel@tonic-gate 6187c478bd9Sstevel@tonic-gate fmd_eventq_abort(mp->mod_queue); 6197c478bd9Sstevel@tonic-gate } 6207c478bd9Sstevel@tonic-gate 6217c478bd9Sstevel@tonic-gate void 6227c478bd9Sstevel@tonic-gate fmd_hdl_unregister(fmd_hdl_t *hdl) 6237c478bd9Sstevel@tonic-gate { 6247c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6257c478bd9Sstevel@tonic-gate fmd_module_unregister(mp); 6267c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6277c478bd9Sstevel@tonic-gate } 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate void 6307c478bd9Sstevel@tonic-gate fmd_hdl_subscribe(fmd_hdl_t *hdl, const char *class) 6317c478bd9Sstevel@tonic-gate { 6327c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6337c478bd9Sstevel@tonic-gate 634d9638e54Smws if (fmd_conf_setprop(mp->mod_conf, 635d9638e54Smws FMD_PROP_SUBSCRIPTIONS, class) == 0) { 636d9638e54Smws fmd_dispq_insert(fmd.d_disp, mp->mod_queue, class); 637d9638e54Smws fmd_xprt_subscribe_all(class); 638d9638e54Smws } 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6417c478bd9Sstevel@tonic-gate } 6427c478bd9Sstevel@tonic-gate 643d9638e54Smws 6447c478bd9Sstevel@tonic-gate void 6457c478bd9Sstevel@tonic-gate fmd_hdl_unsubscribe(fmd_hdl_t *hdl, const char *class) 6467c478bd9Sstevel@tonic-gate { 6477c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6487c478bd9Sstevel@tonic-gate 649d9638e54Smws if (fmd_conf_delprop(mp->mod_conf, 650d9638e54Smws FMD_PROP_SUBSCRIPTIONS, class) == 0) { 651d9638e54Smws fmd_xprt_unsubscribe_all(class); 652d9638e54Smws fmd_dispq_delete(fmd.d_disp, mp->mod_queue, class); 653d9638e54Smws } 6547c478bd9Sstevel@tonic-gate 6557c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6567c478bd9Sstevel@tonic-gate fmd_eventq_cancel(mp->mod_queue, FMD_EVT_PROTOCOL, (void *)class); 6577c478bd9Sstevel@tonic-gate } 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate void 6607c478bd9Sstevel@tonic-gate fmd_hdl_setspecific(fmd_hdl_t *hdl, void *spec) 6617c478bd9Sstevel@tonic-gate { 6627c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate mp->mod_spec = spec; 6657c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6667c478bd9Sstevel@tonic-gate } 6677c478bd9Sstevel@tonic-gate 6687c478bd9Sstevel@tonic-gate void * 6697c478bd9Sstevel@tonic-gate fmd_hdl_getspecific(fmd_hdl_t *hdl) 6707c478bd9Sstevel@tonic-gate { 6717c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6727c478bd9Sstevel@tonic-gate void *spec = mp->mod_spec; 6737c478bd9Sstevel@tonic-gate 6747c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6757c478bd9Sstevel@tonic-gate return (spec); 6767c478bd9Sstevel@tonic-gate } 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate void 6797c478bd9Sstevel@tonic-gate fmd_hdl_opendict(fmd_hdl_t *hdl, const char *dict) 6807c478bd9Sstevel@tonic-gate { 6817c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6827c478bd9Sstevel@tonic-gate const fmd_conf_path_t *pap; 6837c478bd9Sstevel@tonic-gate int i; 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate /* 6867c478bd9Sstevel@tonic-gate * Update the dictionary property in order to preserve the list of 6877c478bd9Sstevel@tonic-gate * pathnames and expand any % tokens in the path. Then retrieve the 6887c478bd9Sstevel@tonic-gate * new dictionary names from cpa_argv[] and open them one at a time. 6897c478bd9Sstevel@tonic-gate */ 6907c478bd9Sstevel@tonic-gate (void) fmd_conf_setprop(mp->mod_conf, FMD_PROP_DICTIONARIES, dict); 6917c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_DICTIONARIES, &pap); 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate ASSERT(pap->cpa_argc > mp->mod_dictc); 6947c478bd9Sstevel@tonic-gate 6957c478bd9Sstevel@tonic-gate for (i = mp->mod_dictc; i < pap->cpa_argc; i++) { 6967c478bd9Sstevel@tonic-gate if (fmd_module_dc_opendict(mp, pap->cpa_argv[i]) != 0) { 6977c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_MOD_DICT, 6987c478bd9Sstevel@tonic-gate "failed to open dictionary %s for module %s", 6997c478bd9Sstevel@tonic-gate pap->cpa_argv[i], mp->mod_name); 7007c478bd9Sstevel@tonic-gate } 7017c478bd9Sstevel@tonic-gate } 7027c478bd9Sstevel@tonic-gate 7037c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 7047c478bd9Sstevel@tonic-gate } 7057c478bd9Sstevel@tonic-gate 7067aec1d6eScindi topo_hdl_t * 70724db4641Seschrock fmd_hdl_topo_hold(fmd_hdl_t *hdl, int v) 7087aec1d6eScindi { 7097aec1d6eScindi fmd_module_t *mp = fmd_api_module_lock(hdl); 7107aec1d6eScindi topo_hdl_t *thp; 7117aec1d6eScindi 7127aec1d6eScindi if (v != TOPO_VERSION) { 7137aec1d6eScindi fmd_api_error(mp, EFMD_MOD_TOPO, "libtopo version mismatch: " 7147aec1d6eScindi "fmd version %d != client version %d\n", TOPO_VERSION, v); 7157aec1d6eScindi } 7167aec1d6eScindi 71724db4641Seschrock thp = fmd_module_topo_hold(mp); 71824db4641Seschrock ASSERT(thp != NULL); 7190eb822a1Scindi 7207aec1d6eScindi fmd_module_unlock(mp); 7217aec1d6eScindi return (thp); 7227aec1d6eScindi } 7237aec1d6eScindi 72424db4641Seschrock void 72524db4641Seschrock fmd_hdl_topo_rele(fmd_hdl_t *hdl, topo_hdl_t *thp) 72624db4641Seschrock { 72724db4641Seschrock fmd_module_t *mp = fmd_api_module_lock(hdl); 72824db4641Seschrock 72924db4641Seschrock if (fmd_module_topo_rele(mp, thp) != 0) 73024db4641Seschrock fmd_api_error(mp, EFMD_MOD_TOPO, "failed to release invalid " 73124db4641Seschrock "topo handle: %p\n", (void *)thp); 73224db4641Seschrock 73324db4641Seschrock fmd_module_unlock(mp); 73424db4641Seschrock } 73524db4641Seschrock 7369af3851aSeschrock static void * 7379af3851aSeschrock fmd_hdl_alloc_locked(fmd_module_t *mp, size_t size, int flags) 7387c478bd9Sstevel@tonic-gate { 7397c478bd9Sstevel@tonic-gate void *data; 7407c478bd9Sstevel@tonic-gate 7417c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_memlimit.fmds_value.ui64 - 7427c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64 < size) { 7437c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_HDL_NOMEM, "%s's allocation of %lu " 7447c478bd9Sstevel@tonic-gate "bytes exceeds module memory limit (%llu)\n", 7457c478bd9Sstevel@tonic-gate mp->mod_name, (ulong_t)size, (u_longlong_t) 7467c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64); 7477c478bd9Sstevel@tonic-gate } 7487c478bd9Sstevel@tonic-gate 7497c478bd9Sstevel@tonic-gate if ((data = fmd_alloc(size, flags)) != NULL) 7507c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64 += size; 7517c478bd9Sstevel@tonic-gate 7529af3851aSeschrock return (data); 7539af3851aSeschrock } 7549af3851aSeschrock 7559af3851aSeschrock void * 7569af3851aSeschrock fmd_hdl_alloc(fmd_hdl_t *hdl, size_t size, int flags) 7579af3851aSeschrock { 7589af3851aSeschrock fmd_module_t *mp = fmd_api_module_lock(hdl); 7599af3851aSeschrock void *data; 7609af3851aSeschrock 7619af3851aSeschrock data = fmd_hdl_alloc_locked(mp, size, flags); 7629af3851aSeschrock 7637c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 7647c478bd9Sstevel@tonic-gate return (data); 7657c478bd9Sstevel@tonic-gate } 7667c478bd9Sstevel@tonic-gate 7677c478bd9Sstevel@tonic-gate void * 7687c478bd9Sstevel@tonic-gate fmd_hdl_zalloc(fmd_hdl_t *hdl, size_t size, int flags) 7697c478bd9Sstevel@tonic-gate { 7707c478bd9Sstevel@tonic-gate void *data = fmd_hdl_alloc(hdl, size, flags); 7717c478bd9Sstevel@tonic-gate 7727c478bd9Sstevel@tonic-gate if (data != NULL) 7737c478bd9Sstevel@tonic-gate bzero(data, size); 7747c478bd9Sstevel@tonic-gate 7757c478bd9Sstevel@tonic-gate return (data); 7767c478bd9Sstevel@tonic-gate } 7777c478bd9Sstevel@tonic-gate 7789af3851aSeschrock static void 7799af3851aSeschrock fmd_hdl_free_locked(fmd_module_t *mp, void *data, size_t size) 7809af3851aSeschrock { 7819af3851aSeschrock fmd_free(data, size); 7829af3851aSeschrock mp->mod_stats->ms_memtotal.fmds_value.ui64 -= size; 7839af3851aSeschrock } 7849af3851aSeschrock 7857c478bd9Sstevel@tonic-gate void 7867c478bd9Sstevel@tonic-gate fmd_hdl_free(fmd_hdl_t *hdl, void *data, size_t size) 7877c478bd9Sstevel@tonic-gate { 7887c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 7897c478bd9Sstevel@tonic-gate 7909af3851aSeschrock fmd_hdl_free_locked(mp, data, size); 7917c478bd9Sstevel@tonic-gate 7927c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 7937c478bd9Sstevel@tonic-gate } 7947c478bd9Sstevel@tonic-gate 7957c478bd9Sstevel@tonic-gate char * 7967c478bd9Sstevel@tonic-gate fmd_hdl_strdup(fmd_hdl_t *hdl, const char *s, int flags) 7977c478bd9Sstevel@tonic-gate { 7987c478bd9Sstevel@tonic-gate char *p; 7997c478bd9Sstevel@tonic-gate 8007c478bd9Sstevel@tonic-gate if (s != NULL) 8017c478bd9Sstevel@tonic-gate p = fmd_hdl_alloc(hdl, strlen(s) + 1, flags); 8027c478bd9Sstevel@tonic-gate else 8037c478bd9Sstevel@tonic-gate p = NULL; 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate if (p != NULL) 8067c478bd9Sstevel@tonic-gate (void) strcpy(p, s); 8077c478bd9Sstevel@tonic-gate 8087c478bd9Sstevel@tonic-gate return (p); 8097c478bd9Sstevel@tonic-gate } 8107c478bd9Sstevel@tonic-gate 8117c478bd9Sstevel@tonic-gate void 8127c478bd9Sstevel@tonic-gate fmd_hdl_strfree(fmd_hdl_t *hdl, char *s) 8137c478bd9Sstevel@tonic-gate { 8147c478bd9Sstevel@tonic-gate if (s != NULL) 8157c478bd9Sstevel@tonic-gate fmd_hdl_free(hdl, s, strlen(s) + 1); 8167c478bd9Sstevel@tonic-gate } 8177c478bd9Sstevel@tonic-gate 8187c478bd9Sstevel@tonic-gate void 8197c478bd9Sstevel@tonic-gate fmd_hdl_vabort(fmd_hdl_t *hdl, const char *format, va_list ap) 8207c478bd9Sstevel@tonic-gate { 8217c478bd9Sstevel@tonic-gate fmd_api_verror(fmd_api_module_lock(hdl), EFMD_HDL_ABORT, format, ap); 8227c478bd9Sstevel@tonic-gate } 8237c478bd9Sstevel@tonic-gate 8247c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 8257c478bd9Sstevel@tonic-gate void 8267c478bd9Sstevel@tonic-gate fmd_hdl_abort(fmd_hdl_t *hdl, const char *format, ...) 8277c478bd9Sstevel@tonic-gate { 8287c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8297c478bd9Sstevel@tonic-gate va_list ap; 8307c478bd9Sstevel@tonic-gate 8317c478bd9Sstevel@tonic-gate va_start(ap, format); 8327c478bd9Sstevel@tonic-gate fmd_api_verror(mp, EFMD_HDL_ABORT, format, ap); 8337c478bd9Sstevel@tonic-gate va_end(ap); 8347c478bd9Sstevel@tonic-gate } 8357c478bd9Sstevel@tonic-gate 8367c478bd9Sstevel@tonic-gate void 8377c478bd9Sstevel@tonic-gate fmd_hdl_verror(fmd_hdl_t *hdl, const char *format, va_list ap) 8387c478bd9Sstevel@tonic-gate { 8397c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8407c478bd9Sstevel@tonic-gate fmd_api_vxerror(mp, errno, format, ap); 8417c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate 8447c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 8457c478bd9Sstevel@tonic-gate void 8467c478bd9Sstevel@tonic-gate fmd_hdl_error(fmd_hdl_t *hdl, const char *format, ...) 8477c478bd9Sstevel@tonic-gate { 8487c478bd9Sstevel@tonic-gate va_list ap; 8497c478bd9Sstevel@tonic-gate 8507c478bd9Sstevel@tonic-gate va_start(ap, format); 8517c478bd9Sstevel@tonic-gate fmd_hdl_verror(hdl, format, ap); 8527c478bd9Sstevel@tonic-gate va_end(ap); 8537c478bd9Sstevel@tonic-gate } 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate void 8567c478bd9Sstevel@tonic-gate fmd_hdl_vdebug(fmd_hdl_t *hdl, const char *format, va_list ap) 8577c478bd9Sstevel@tonic-gate { 8587c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate char *msg; 8617c478bd9Sstevel@tonic-gate size_t len; 8627c478bd9Sstevel@tonic-gate char c; 8637c478bd9Sstevel@tonic-gate 8647c478bd9Sstevel@tonic-gate if (!(fmd.d_hdl_debug)) { 8657c478bd9Sstevel@tonic-gate mp->mod_stats->ms_debugdrop.fmds_value.ui64++; 8667c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8677c478bd9Sstevel@tonic-gate return; 8687c478bd9Sstevel@tonic-gate } 8697c478bd9Sstevel@tonic-gate 8707c478bd9Sstevel@tonic-gate len = vsnprintf(&c, 1, format, ap); 8717c478bd9Sstevel@tonic-gate 8727c478bd9Sstevel@tonic-gate if ((msg = fmd_alloc(len + 2, FMD_NOSLEEP)) == NULL) { 8737c478bd9Sstevel@tonic-gate mp->mod_stats->ms_debugdrop.fmds_value.ui64++; 8747c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8757c478bd9Sstevel@tonic-gate return; 8767c478bd9Sstevel@tonic-gate } 8777c478bd9Sstevel@tonic-gate 8787c478bd9Sstevel@tonic-gate (void) vsnprintf(msg, len + 1, format, ap); 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate if (msg[len - 1] != '\n') 8817c478bd9Sstevel@tonic-gate (void) strcpy(&msg[len], "\n"); 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate if (fmd.d_hdl_dbout & FMD_DBOUT_STDERR) { 8847c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&fmd.d_err_lock); 8857c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s DEBUG: %s: %s", 8867c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 8877c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&fmd.d_err_lock); 8887c478bd9Sstevel@tonic-gate } 8897c478bd9Sstevel@tonic-gate 8907c478bd9Sstevel@tonic-gate if (fmd.d_hdl_dbout & FMD_DBOUT_SYSLOG) { 8917c478bd9Sstevel@tonic-gate syslog(LOG_DEBUG | LOG_DAEMON, "%s DEBUG: %s: %s", 8927c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 8937c478bd9Sstevel@tonic-gate } 8947c478bd9Sstevel@tonic-gate 8957c478bd9Sstevel@tonic-gate fmd_free(msg, len + 2); 8967c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8977c478bd9Sstevel@tonic-gate } 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 9007c478bd9Sstevel@tonic-gate void 9017c478bd9Sstevel@tonic-gate fmd_hdl_debug(fmd_hdl_t *hdl, const char *format, ...) 9027c478bd9Sstevel@tonic-gate { 9037c478bd9Sstevel@tonic-gate va_list ap; 9047c478bd9Sstevel@tonic-gate 9057c478bd9Sstevel@tonic-gate va_start(ap, format); 9067c478bd9Sstevel@tonic-gate fmd_hdl_vdebug(hdl, format, ap); 9077c478bd9Sstevel@tonic-gate va_end(ap); 9087c478bd9Sstevel@tonic-gate } 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate int32_t 9117c478bd9Sstevel@tonic-gate fmd_prop_get_int32(fmd_hdl_t *hdl, const char *name) 9127c478bd9Sstevel@tonic-gate { 9137c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9147c478bd9Sstevel@tonic-gate const fmd_conf_ops_t *ops = fmd_conf_gettype(mp->mod_conf, name); 9157c478bd9Sstevel@tonic-gate int32_t value = 0; 9167c478bd9Sstevel@tonic-gate 9177c478bd9Sstevel@tonic-gate if (ops == &fmd_conf_bool || ops == &fmd_conf_int32 || 9187c478bd9Sstevel@tonic-gate ops == &fmd_conf_uint32) 9197c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, name, &value); 9207c478bd9Sstevel@tonic-gate else if (ops != NULL) { 9217c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_TYPE, 9227c478bd9Sstevel@tonic-gate "property %s is not of int32 type\n", name); 9237c478bd9Sstevel@tonic-gate } else { 9247c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_DEFN, 9257c478bd9Sstevel@tonic-gate "property %s is not defined\n", name); 9267c478bd9Sstevel@tonic-gate } 9277c478bd9Sstevel@tonic-gate 9287c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9297c478bd9Sstevel@tonic-gate return (value); 9307c478bd9Sstevel@tonic-gate } 9317c478bd9Sstevel@tonic-gate 9327c478bd9Sstevel@tonic-gate int64_t 9337c478bd9Sstevel@tonic-gate fmd_prop_get_int64(fmd_hdl_t *hdl, const char *name) 9347c478bd9Sstevel@tonic-gate { 9357c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9367c478bd9Sstevel@tonic-gate const fmd_conf_ops_t *ops = fmd_conf_gettype(mp->mod_conf, name); 9377c478bd9Sstevel@tonic-gate int64_t value = 0; 9387c478bd9Sstevel@tonic-gate 9397c478bd9Sstevel@tonic-gate if (ops == &fmd_conf_int64 || ops == &fmd_conf_uint64 || 9407c478bd9Sstevel@tonic-gate ops == &fmd_conf_time || ops == &fmd_conf_size) 9417c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, name, &value); 9427c478bd9Sstevel@tonic-gate else if (ops != NULL) { 9437c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_TYPE, 9447c478bd9Sstevel@tonic-gate "property %s is not of int64 type\n", name); 9457c478bd9Sstevel@tonic-gate } else { 9467c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_DEFN, 9477c478bd9Sstevel@tonic-gate "property %s is not defined\n", name); 9487c478bd9Sstevel@tonic-gate } 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9517c478bd9Sstevel@tonic-gate return (value); 9527c478bd9Sstevel@tonic-gate } 9537c478bd9Sstevel@tonic-gate 9547c478bd9Sstevel@tonic-gate char * 9557c478bd9Sstevel@tonic-gate fmd_prop_get_string(fmd_hdl_t *hdl, const char *name) 9567c478bd9Sstevel@tonic-gate { 9577c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9587c478bd9Sstevel@tonic-gate const fmd_conf_ops_t *ops = fmd_conf_gettype(mp->mod_conf, name); 9597c478bd9Sstevel@tonic-gate char *value = NULL; 9607c478bd9Sstevel@tonic-gate const char *s; 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate if (ops == &fmd_conf_string) { 9637c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, name, &s); 9647c478bd9Sstevel@tonic-gate value = fmd_strdup(s, FMD_SLEEP); 9657c478bd9Sstevel@tonic-gate } else if (ops != NULL) { 9667c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_TYPE, 9677c478bd9Sstevel@tonic-gate "property %s is not of string type\n", name); 9687c478bd9Sstevel@tonic-gate } else { 9697c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_DEFN, 9707c478bd9Sstevel@tonic-gate "property %s is not defined\n", name); 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9747c478bd9Sstevel@tonic-gate return (value); 9757c478bd9Sstevel@tonic-gate } 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate void 9787c478bd9Sstevel@tonic-gate fmd_prop_free_string(fmd_hdl_t *hdl, char *s) 9797c478bd9Sstevel@tonic-gate { 9807c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9817c478bd9Sstevel@tonic-gate fmd_strfree(s); 9827c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9837c478bd9Sstevel@tonic-gate } 9847c478bd9Sstevel@tonic-gate 9857c478bd9Sstevel@tonic-gate fmd_stat_t * 9867c478bd9Sstevel@tonic-gate fmd_stat_create(fmd_hdl_t *hdl, uint_t flags, uint_t argc, fmd_stat_t *argv) 9877c478bd9Sstevel@tonic-gate { 9887c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9897c478bd9Sstevel@tonic-gate fmd_stat_t *ep, *sp; 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate if (flags & ~FMD_STAT_ALLOC) { 9927c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_STAT_FLAGS, 9937c478bd9Sstevel@tonic-gate "invalid flags 0x%x passed to fmd_stat_create\n", flags); 9947c478bd9Sstevel@tonic-gate } 9957c478bd9Sstevel@tonic-gate 9967c478bd9Sstevel@tonic-gate if ((sp = fmd_ustat_insert(mp->mod_ustat, 9977c478bd9Sstevel@tonic-gate flags | FMD_USTAT_VALIDATE, argc, argv, &ep)) == NULL) { 9987c478bd9Sstevel@tonic-gate fmd_api_error(mp, errno, 9997c478bd9Sstevel@tonic-gate "failed to publish stat '%s'", ep->fmds_name); 10007c478bd9Sstevel@tonic-gate } 10017c478bd9Sstevel@tonic-gate 10027c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10037c478bd9Sstevel@tonic-gate return (sp); 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate 10067c478bd9Sstevel@tonic-gate void 10077c478bd9Sstevel@tonic-gate fmd_stat_destroy(fmd_hdl_t *hdl, uint_t argc, fmd_stat_t *argv) 10087c478bd9Sstevel@tonic-gate { 10097c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10107c478bd9Sstevel@tonic-gate fmd_ustat_delete(mp->mod_ustat, argc, argv); 10117c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10127c478bd9Sstevel@tonic-gate } 10137c478bd9Sstevel@tonic-gate 10147c478bd9Sstevel@tonic-gate void 10157c478bd9Sstevel@tonic-gate fmd_stat_setstr(fmd_hdl_t *hdl, fmd_stat_t *sp, const char *s) 10167c478bd9Sstevel@tonic-gate { 10177c478bd9Sstevel@tonic-gate char *str = fmd_strdup(s, FMD_SLEEP); 10187c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10197c478bd9Sstevel@tonic-gate 10207c478bd9Sstevel@tonic-gate if (sp->fmds_type != FMD_TYPE_STRING) { 10217c478bd9Sstevel@tonic-gate fmd_strfree(str); 10227c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_STAT_TYPE, 10237c478bd9Sstevel@tonic-gate "stat '%s' is not a string\n", sp->fmds_name); 10247c478bd9Sstevel@tonic-gate } 10257c478bd9Sstevel@tonic-gate 10267c478bd9Sstevel@tonic-gate fmd_strfree(sp->fmds_value.str); 10277c478bd9Sstevel@tonic-gate sp->fmds_value.str = str; 10287c478bd9Sstevel@tonic-gate 10297c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10307c478bd9Sstevel@tonic-gate } 10317c478bd9Sstevel@tonic-gate 10327c478bd9Sstevel@tonic-gate fmd_case_t * 10337c478bd9Sstevel@tonic-gate fmd_case_open(fmd_hdl_t *hdl, void *data) 10347c478bd9Sstevel@tonic-gate { 10357c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10367c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_create(mp, data); 10377c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10387c478bd9Sstevel@tonic-gate return (cp); 10397c478bd9Sstevel@tonic-gate } 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate void 10427c478bd9Sstevel@tonic-gate fmd_case_reset(fmd_hdl_t *hdl, fmd_case_t *cp) 10437c478bd9Sstevel@tonic-gate { 10447c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10457c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 10467c478bd9Sstevel@tonic-gate 10477c478bd9Sstevel@tonic-gate if (cip->ci_state >= FMD_CASE_SOLVED) { 10487c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_STATE, "cannot solve %s: " 10497c478bd9Sstevel@tonic-gate "case is already solved or closed\n", cip->ci_uuid); 10507c478bd9Sstevel@tonic-gate } 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate fmd_case_reset_suspects(cp); 10537c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10547c478bd9Sstevel@tonic-gate } 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate void 10577c478bd9Sstevel@tonic-gate fmd_case_solve(fmd_hdl_t *hdl, fmd_case_t *cp) 10587c478bd9Sstevel@tonic-gate { 10597c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10607c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 10617c478bd9Sstevel@tonic-gate 10627c478bd9Sstevel@tonic-gate if (cip->ci_state >= FMD_CASE_SOLVED) { 10637c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_STATE, "cannot solve %s: " 10647c478bd9Sstevel@tonic-gate "case is already solved or closed\n", cip->ci_uuid); 10657c478bd9Sstevel@tonic-gate } 10667c478bd9Sstevel@tonic-gate 1067d9638e54Smws fmd_case_transition(cp, FMD_CASE_SOLVED, FMD_CF_SOLVED); 10687c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10697c478bd9Sstevel@tonic-gate } 10707c478bd9Sstevel@tonic-gate 10717c478bd9Sstevel@tonic-gate void 10727c478bd9Sstevel@tonic-gate fmd_case_close(fmd_hdl_t *hdl, fmd_case_t *cp) 10737c478bd9Sstevel@tonic-gate { 10747c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 1077d9638e54Smws fmd_case_transition(cp, FMD_CASE_CLOSE_WAIT, FMD_CF_ISOLATED); 10787c478bd9Sstevel@tonic-gate 10797c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10807c478bd9Sstevel@tonic-gate } 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate const char * 10837c478bd9Sstevel@tonic-gate fmd_case_uuid(fmd_hdl_t *hdl, fmd_case_t *cp) 10847c478bd9Sstevel@tonic-gate { 10857c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10867c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 10877c478bd9Sstevel@tonic-gate const char *uuid = cip->ci_uuid; 10887c478bd9Sstevel@tonic-gate 10897c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10907c478bd9Sstevel@tonic-gate return (uuid); 10917c478bd9Sstevel@tonic-gate } 10927c478bd9Sstevel@tonic-gate 10937c478bd9Sstevel@tonic-gate fmd_case_t * 10947c478bd9Sstevel@tonic-gate fmd_case_uulookup(fmd_hdl_t *hdl, const char *uuid) 10957c478bd9Sstevel@tonic-gate { 10967c478bd9Sstevel@tonic-gate fmd_module_t *cmp, *mp = fmd_api_module_lock(hdl); 10977c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_hash_lookup(fmd.d_cases, uuid); 10987c478bd9Sstevel@tonic-gate 10997c478bd9Sstevel@tonic-gate if (cp != NULL) { 11007c478bd9Sstevel@tonic-gate cmp = ((fmd_case_impl_t *)cp)->ci_mod; 11017c478bd9Sstevel@tonic-gate fmd_case_rele(cp); 11027c478bd9Sstevel@tonic-gate } else 11037c478bd9Sstevel@tonic-gate cmp = NULL; 11047c478bd9Sstevel@tonic-gate 11057c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11067c478bd9Sstevel@tonic-gate return (cmp == mp ? cp : NULL); 11077c478bd9Sstevel@tonic-gate } 11087c478bd9Sstevel@tonic-gate 11097c478bd9Sstevel@tonic-gate void 1110d9638e54Smws fmd_case_uuclose(fmd_hdl_t *hdl, const char *uuid) 11117c478bd9Sstevel@tonic-gate { 11127c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11137c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_hash_lookup(fmd.d_cases, uuid); 11147c478bd9Sstevel@tonic-gate 1115d9638e54Smws if (cp != NULL) { 1116d9638e54Smws fmd_case_transition(cp, FMD_CASE_CLOSE_WAIT, FMD_CF_ISOLATED); 11177c478bd9Sstevel@tonic-gate fmd_case_rele(cp); 11187c478bd9Sstevel@tonic-gate } 11197c478bd9Sstevel@tonic-gate 11207c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11217c478bd9Sstevel@tonic-gate } 11227c478bd9Sstevel@tonic-gate 11237c478bd9Sstevel@tonic-gate int 11247c478bd9Sstevel@tonic-gate fmd_case_uuclosed(fmd_hdl_t *hdl, const char *uuid) 11257c478bd9Sstevel@tonic-gate { 11267c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11277c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_hash_lookup(fmd.d_cases, uuid); 11287c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = (fmd_case_impl_t *)cp; 11297c478bd9Sstevel@tonic-gate int rv = FMD_B_TRUE; 11307c478bd9Sstevel@tonic-gate 11317c478bd9Sstevel@tonic-gate if (cip != NULL) { 1132d9638e54Smws rv = cip->ci_state >= FMD_CASE_CLOSE_WAIT; 11337c478bd9Sstevel@tonic-gate fmd_case_rele(cp); 11347c478bd9Sstevel@tonic-gate } 11357c478bd9Sstevel@tonic-gate 11367c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11377c478bd9Sstevel@tonic-gate return (rv); 11387c478bd9Sstevel@tonic-gate } 11397c478bd9Sstevel@tonic-gate 11407c478bd9Sstevel@tonic-gate static int 11417c478bd9Sstevel@tonic-gate fmd_case_instate(fmd_hdl_t *hdl, fmd_case_t *cp, uint_t state) 11427c478bd9Sstevel@tonic-gate { 11437c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11447c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 11457c478bd9Sstevel@tonic-gate int rv = cip->ci_state >= state; 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11487c478bd9Sstevel@tonic-gate return (rv); 11497c478bd9Sstevel@tonic-gate } 11507c478bd9Sstevel@tonic-gate 11517c478bd9Sstevel@tonic-gate int 11527c478bd9Sstevel@tonic-gate fmd_case_solved(fmd_hdl_t *hdl, fmd_case_t *cp) 11537c478bd9Sstevel@tonic-gate { 11547c478bd9Sstevel@tonic-gate return (fmd_case_instate(hdl, cp, FMD_CASE_SOLVED)); 11557c478bd9Sstevel@tonic-gate } 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate int 11587c478bd9Sstevel@tonic-gate fmd_case_closed(fmd_hdl_t *hdl, fmd_case_t *cp) 11597c478bd9Sstevel@tonic-gate { 1160d9638e54Smws return (fmd_case_instate(hdl, cp, FMD_CASE_CLOSE_WAIT)); 11617c478bd9Sstevel@tonic-gate } 11627c478bd9Sstevel@tonic-gate 11637c478bd9Sstevel@tonic-gate void 11647c478bd9Sstevel@tonic-gate fmd_case_add_ereport(fmd_hdl_t *hdl, fmd_case_t *cp, fmd_event_t *ep) 11657c478bd9Sstevel@tonic-gate { 11667c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11677c478bd9Sstevel@tonic-gate 11687c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 11697aec1d6eScindi 11707aec1d6eScindi if (fmd_case_insert_event(cp, ep)) 11717aec1d6eScindi mp->mod_stats->ms_accepted.fmds_value.ui64++; 11727c478bd9Sstevel@tonic-gate 11737c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11747c478bd9Sstevel@tonic-gate } 11757c478bd9Sstevel@tonic-gate 11767c478bd9Sstevel@tonic-gate void 11777c478bd9Sstevel@tonic-gate fmd_case_add_serd(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name) 11787c478bd9Sstevel@tonic-gate { 11797c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11807c478bd9Sstevel@tonic-gate fmd_serd_elem_t *sep; 11817c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 11827c478bd9Sstevel@tonic-gate 11837c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 11847c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 11857c478bd9Sstevel@tonic-gate "failed to add events from serd engine '%s'", name); 11867c478bd9Sstevel@tonic-gate } 11877c478bd9Sstevel@tonic-gate 11887c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 11897c478bd9Sstevel@tonic-gate 11907c478bd9Sstevel@tonic-gate for (sep = fmd_list_next(&sgp->sg_list); 11917aec1d6eScindi sep != NULL; sep = fmd_list_next(sep)) { 11927aec1d6eScindi if (fmd_case_insert_event(cp, sep->se_event)) 11937aec1d6eScindi mp->mod_stats->ms_accepted.fmds_value.ui64++; 11947aec1d6eScindi } 11957c478bd9Sstevel@tonic-gate 11967c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11977c478bd9Sstevel@tonic-gate } 11987c478bd9Sstevel@tonic-gate 11997c478bd9Sstevel@tonic-gate void 12007c478bd9Sstevel@tonic-gate fmd_case_add_suspect(fmd_hdl_t *hdl, fmd_case_t *cp, nvlist_t *nvl) 12017c478bd9Sstevel@tonic-gate { 12027c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12037c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 12047c478bd9Sstevel@tonic-gate char *class; 1205*b7d3956bSstephh topo_hdl_t *thp; 1206*b7d3956bSstephh int err; 1207*b7d3956bSstephh nvlist_t *rsrc = NULL, *asru = NULL, *fru = NULL; 1208*b7d3956bSstephh char *loc = NULL, *serial = NULL; 12097c478bd9Sstevel@tonic-gate 12107c478bd9Sstevel@tonic-gate if (cip->ci_state >= FMD_CASE_SOLVED) { 12117c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_STATE, "cannot add suspect to " 12127c478bd9Sstevel@tonic-gate "%s: case is already solved or closed\n", cip->ci_uuid); 12137c478bd9Sstevel@tonic-gate } 12147c478bd9Sstevel@tonic-gate 12157c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(nvl, FM_CLASS, &class) != 0 || 12167c478bd9Sstevel@tonic-gate class == NULL || *class == '\0') { 12177c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_EVENT, "cannot add suspect to " 12187c478bd9Sstevel@tonic-gate "%s: suspect event is missing a class\n", cip->ci_uuid); 12197c478bd9Sstevel@tonic-gate } 12207c478bd9Sstevel@tonic-gate 1221*b7d3956bSstephh thp = fmd_module_topo_hold(mp); 1222*b7d3956bSstephh (void) nvlist_lookup_nvlist(nvl, FM_FAULT_RESOURCE, &rsrc); 1223*b7d3956bSstephh (void) nvlist_lookup_nvlist(nvl, FM_FAULT_ASRU, &asru); 1224*b7d3956bSstephh (void) nvlist_lookup_nvlist(nvl, FM_FAULT_FRU, &fru); 1225*b7d3956bSstephh if (rsrc != NULL) { 1226*b7d3956bSstephh if (strncmp(class, "defect", 6) == 0) { 1227*b7d3956bSstephh if (asru == NULL && topo_fmri_getprop(thp, rsrc, 1228*b7d3956bSstephh TOPO_PGROUP_IO, TOPO_IO_MODULE, rsrc, 1229*b7d3956bSstephh &asru, &err) == 0) { 1230*b7d3956bSstephh (void) nvlist_add_nvlist(nvl, FM_FAULT_ASRU, 1231*b7d3956bSstephh asru); 1232*b7d3956bSstephh nvlist_free(asru); 1233*b7d3956bSstephh (void) nvlist_lookup_nvlist(nvl, FM_FAULT_ASRU, 1234*b7d3956bSstephh &asru); 1235*b7d3956bSstephh } 1236*b7d3956bSstephh } else { 1237*b7d3956bSstephh if (topo_fmri_asru(thp, rsrc, &asru, &err) == 0) { 1238*b7d3956bSstephh (void) nvlist_remove(nvl, FM_FAULT_ASRU, 1239*b7d3956bSstephh DATA_TYPE_NVLIST); 1240*b7d3956bSstephh (void) nvlist_add_nvlist(nvl, FM_FAULT_ASRU, 1241*b7d3956bSstephh asru); 1242*b7d3956bSstephh nvlist_free(asru); 1243*b7d3956bSstephh (void) nvlist_lookup_nvlist(nvl, FM_FAULT_ASRU, 1244*b7d3956bSstephh &asru); 1245*b7d3956bSstephh } 1246*b7d3956bSstephh if (topo_fmri_fru(thp, rsrc, &fru, &err) == 0) { 1247*b7d3956bSstephh (void) nvlist_remove(nvl, FM_FAULT_FRU, 1248*b7d3956bSstephh DATA_TYPE_NVLIST); 1249*b7d3956bSstephh (void) nvlist_add_nvlist(nvl, FM_FAULT_FRU, 1250*b7d3956bSstephh fru); 1251*b7d3956bSstephh nvlist_free(fru); 1252*b7d3956bSstephh (void) nvlist_lookup_nvlist(nvl, FM_FAULT_FRU, 1253*b7d3956bSstephh &fru); 1254*b7d3956bSstephh } 1255*b7d3956bSstephh } 1256*b7d3956bSstephh } 1257*b7d3956bSstephh 1258*b7d3956bSstephh /* 1259*b7d3956bSstephh * Try to find the location label for this resource 1260*b7d3956bSstephh */ 1261*b7d3956bSstephh if (fru != NULL) 1262*b7d3956bSstephh (void) topo_fmri_label(thp, fru, &loc, &err); 1263*b7d3956bSstephh else if (rsrc != NULL) 1264*b7d3956bSstephh (void) topo_fmri_label(thp, rsrc, &loc, &err); 1265*b7d3956bSstephh if (loc != NULL) { 1266*b7d3956bSstephh (void) nvlist_remove(nvl, FM_FAULT_LOCATION, DATA_TYPE_STRING); 1267*b7d3956bSstephh (void) nvlist_add_string(nvl, FM_FAULT_LOCATION, loc); 1268*b7d3956bSstephh topo_hdl_strfree(thp, loc); 1269*b7d3956bSstephh } 1270*b7d3956bSstephh 1271*b7d3956bSstephh /* 1272*b7d3956bSstephh * In some cases, serial information for the resource will not be 1273*b7d3956bSstephh * available at enumeration but may instead be available by invoking 1274*b7d3956bSstephh * a dynamic property method on the FRU. In order to ensure the serial 1275*b7d3956bSstephh * number is persisted properly in the ASRU cache, we'll fetch the 1276*b7d3956bSstephh * property, if it exists, and add it to the resource and fru fmris. 1277*b7d3956bSstephh */ 1278*b7d3956bSstephh if (fru != NULL) { 1279*b7d3956bSstephh (void) topo_fmri_serial(thp, fru, &serial, &err); 1280*b7d3956bSstephh if (serial != NULL) { 1281*b7d3956bSstephh if (rsrc != NULL) 1282*b7d3956bSstephh (void) nvlist_add_string(rsrc, "serial", 1283*b7d3956bSstephh serial); 1284*b7d3956bSstephh (void) nvlist_add_string(fru, "serial", serial); 1285*b7d3956bSstephh topo_hdl_strfree(thp, serial); 1286*b7d3956bSstephh } 1287*b7d3956bSstephh } 1288*b7d3956bSstephh 1289*b7d3956bSstephh err = fmd_module_topo_rele(mp, thp); 1290*b7d3956bSstephh ASSERT(err == 0); 1291*b7d3956bSstephh 12927c478bd9Sstevel@tonic-gate fmd_case_insert_suspect(cp, nvl); 12937c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12947c478bd9Sstevel@tonic-gate } 12957c478bd9Sstevel@tonic-gate 12967c478bd9Sstevel@tonic-gate void 12977c478bd9Sstevel@tonic-gate fmd_case_setspecific(fmd_hdl_t *hdl, fmd_case_t *cp, void *data) 12987c478bd9Sstevel@tonic-gate { 12997c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13007c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 13017c478bd9Sstevel@tonic-gate 13027c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&cip->ci_lock); 13037c478bd9Sstevel@tonic-gate cip->ci_data = data; 13047c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&cip->ci_lock); 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13077c478bd9Sstevel@tonic-gate } 13087c478bd9Sstevel@tonic-gate 13097c478bd9Sstevel@tonic-gate void * 13107c478bd9Sstevel@tonic-gate fmd_case_getspecific(fmd_hdl_t *hdl, fmd_case_t *cp) 13117c478bd9Sstevel@tonic-gate { 13127c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13137c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 13147c478bd9Sstevel@tonic-gate void *data; 13157c478bd9Sstevel@tonic-gate 13167c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&cip->ci_lock); 13177c478bd9Sstevel@tonic-gate data = cip->ci_data; 13187c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&cip->ci_lock); 13197c478bd9Sstevel@tonic-gate 13207c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13217c478bd9Sstevel@tonic-gate return (data); 13227c478bd9Sstevel@tonic-gate } 13237c478bd9Sstevel@tonic-gate 13247c478bd9Sstevel@tonic-gate void 13257c478bd9Sstevel@tonic-gate fmd_case_setprincipal(fmd_hdl_t *hdl, fmd_case_t *cp, fmd_event_t *ep) 13267c478bd9Sstevel@tonic-gate { 13277c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 13307aec1d6eScindi 13317aec1d6eScindi if (fmd_case_insert_principal(cp, ep)) 13327aec1d6eScindi mp->mod_stats->ms_accepted.fmds_value.ui64++; 13337c478bd9Sstevel@tonic-gate 13347c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13357c478bd9Sstevel@tonic-gate } 13367c478bd9Sstevel@tonic-gate 13377c478bd9Sstevel@tonic-gate fmd_event_t * 13387c478bd9Sstevel@tonic-gate fmd_case_getprincipal(fmd_hdl_t *hdl, fmd_case_t *cp) 13397c478bd9Sstevel@tonic-gate { 13407c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13417c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 13427c478bd9Sstevel@tonic-gate fmd_event_t *ep; 13437c478bd9Sstevel@tonic-gate 13447c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&cip->ci_lock); 13457c478bd9Sstevel@tonic-gate ep = cip->ci_principal; 13467c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&cip->ci_lock); 13477c478bd9Sstevel@tonic-gate 13487c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13497c478bd9Sstevel@tonic-gate return (ep); 13507c478bd9Sstevel@tonic-gate } 13517c478bd9Sstevel@tonic-gate 13527c478bd9Sstevel@tonic-gate fmd_case_t * 13537c478bd9Sstevel@tonic-gate fmd_case_next(fmd_hdl_t *hdl, fmd_case_t *cp) 13547c478bd9Sstevel@tonic-gate { 13557c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13567c478bd9Sstevel@tonic-gate 13577c478bd9Sstevel@tonic-gate if (cp != NULL) 13587c478bd9Sstevel@tonic-gate cp = fmd_list_next(fmd_api_case_impl(mp, cp)); 13597c478bd9Sstevel@tonic-gate else 13607c478bd9Sstevel@tonic-gate cp = fmd_list_next(&mp->mod_cases); 13617c478bd9Sstevel@tonic-gate 13627c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13637c478bd9Sstevel@tonic-gate return (cp); 13647c478bd9Sstevel@tonic-gate } 13657c478bd9Sstevel@tonic-gate 13667c478bd9Sstevel@tonic-gate fmd_case_t * 13677c478bd9Sstevel@tonic-gate fmd_case_prev(fmd_hdl_t *hdl, fmd_case_t *cp) 13687c478bd9Sstevel@tonic-gate { 13697c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13707c478bd9Sstevel@tonic-gate 13717c478bd9Sstevel@tonic-gate if (cp != NULL) 13727c478bd9Sstevel@tonic-gate cp = fmd_list_prev(fmd_api_case_impl(mp, cp)); 13737c478bd9Sstevel@tonic-gate else 13747c478bd9Sstevel@tonic-gate cp = fmd_list_prev(&mp->mod_cases); 13757c478bd9Sstevel@tonic-gate 13767c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13777c478bd9Sstevel@tonic-gate return (cp); 13787c478bd9Sstevel@tonic-gate } 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate /* 13817c478bd9Sstevel@tonic-gate * Utility function for fmd_buf_* routines. If a case is specified, use the 13827c478bd9Sstevel@tonic-gate * case's ci_bufs hash; otherwise use the module's global mod_bufs hash. 13837c478bd9Sstevel@tonic-gate */ 13847c478bd9Sstevel@tonic-gate static fmd_buf_hash_t * 13857c478bd9Sstevel@tonic-gate fmd_buf_gethash(fmd_module_t *mp, fmd_case_t *cp) 13867c478bd9Sstevel@tonic-gate { 13877c478bd9Sstevel@tonic-gate return (cp ? &fmd_api_case_impl(mp, cp)->ci_bufs : &mp->mod_bufs); 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate void 13917c478bd9Sstevel@tonic-gate fmd_buf_create(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name, size_t size) 13927c478bd9Sstevel@tonic-gate { 13937c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13947c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 13957c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(bhp, name); 13967c478bd9Sstevel@tonic-gate 13977c478bd9Sstevel@tonic-gate if (bp == NULL) { 13987c478bd9Sstevel@tonic-gate if (fmd_strbadid(name, FMD_B_TRUE) != NULL || size == 0) { 13997c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_INVAL, "cannot create '%s' " 14007c478bd9Sstevel@tonic-gate "(size %lu): %s\n", name, (ulong_t)size, 14017c478bd9Sstevel@tonic-gate fmd_strerror(EFMD_BUF_INVAL)); 14027c478bd9Sstevel@tonic-gate } 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_buflimit.fmds_value.ui64 - 14057c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 < size) { 14067c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_LIMIT, "cannot create '%s': " 14077c478bd9Sstevel@tonic-gate "buf limit exceeded (%llu)\n", name, (u_longlong_t) 14087c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buflimit.fmds_value.ui64); 14097c478bd9Sstevel@tonic-gate } 14107c478bd9Sstevel@tonic-gate 14117c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 += size; 14127c478bd9Sstevel@tonic-gate bp = fmd_buf_insert(bhp, name, size); 14137c478bd9Sstevel@tonic-gate 14147c478bd9Sstevel@tonic-gate } else { 14157c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_EXISTS, 14167c478bd9Sstevel@tonic-gate "cannot create '%s': buffer already exists\n", name); 14177c478bd9Sstevel@tonic-gate } 14187c478bd9Sstevel@tonic-gate 14197c478bd9Sstevel@tonic-gate if (cp != NULL) 14207c478bd9Sstevel@tonic-gate fmd_case_setdirty(cp); 14217c478bd9Sstevel@tonic-gate else 14227c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14237c478bd9Sstevel@tonic-gate 14247c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14257c478bd9Sstevel@tonic-gate } 14267c478bd9Sstevel@tonic-gate 14277c478bd9Sstevel@tonic-gate void 14287c478bd9Sstevel@tonic-gate fmd_buf_destroy(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name) 14297c478bd9Sstevel@tonic-gate { 14307c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14317c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 14327c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(bhp, name); 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate if (bp != NULL) { 14357c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 -= bp->buf_size; 14367c478bd9Sstevel@tonic-gate fmd_buf_delete(bhp, name); 14377c478bd9Sstevel@tonic-gate 14387c478bd9Sstevel@tonic-gate if (cp != NULL) 14397c478bd9Sstevel@tonic-gate fmd_case_setdirty(cp); 14407c478bd9Sstevel@tonic-gate else 14417c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14427c478bd9Sstevel@tonic-gate } 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14457c478bd9Sstevel@tonic-gate } 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate void 14487c478bd9Sstevel@tonic-gate fmd_buf_read(fmd_hdl_t *hdl, fmd_case_t *cp, 14497c478bd9Sstevel@tonic-gate const char *name, void *buf, size_t size) 14507c478bd9Sstevel@tonic-gate { 14517c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14527c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(fmd_buf_gethash(mp, cp), name); 14537c478bd9Sstevel@tonic-gate 14547c478bd9Sstevel@tonic-gate if (bp == NULL) { 14557c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_NOENT, "no buf named '%s' is " 14567c478bd9Sstevel@tonic-gate "associated with %s\n", name, cp ? "case" : "module"); 14577c478bd9Sstevel@tonic-gate } 14587c478bd9Sstevel@tonic-gate 14597c478bd9Sstevel@tonic-gate bcopy(bp->buf_data, buf, MIN(bp->buf_size, size)); 14607c478bd9Sstevel@tonic-gate if (size > bp->buf_size) 14617c478bd9Sstevel@tonic-gate bzero((char *)buf + bp->buf_size, size - bp->buf_size); 14627c478bd9Sstevel@tonic-gate 14637c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14647c478bd9Sstevel@tonic-gate } 14657c478bd9Sstevel@tonic-gate 14667c478bd9Sstevel@tonic-gate void 14677c478bd9Sstevel@tonic-gate fmd_buf_write(fmd_hdl_t *hdl, fmd_case_t *cp, 14687c478bd9Sstevel@tonic-gate const char *name, const void *buf, size_t size) 14697c478bd9Sstevel@tonic-gate { 14707c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14717c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 14727c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(bhp, name); 14737c478bd9Sstevel@tonic-gate 14747c478bd9Sstevel@tonic-gate if (bp == NULL) { 14757c478bd9Sstevel@tonic-gate if (fmd_strbadid(name, FMD_B_TRUE) != NULL || size == 0) { 14767c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_INVAL, "cannot write '%s' " 14777c478bd9Sstevel@tonic-gate "(size %lu): %s\n", name, (ulong_t)size, 14787c478bd9Sstevel@tonic-gate fmd_strerror(EFMD_BUF_INVAL)); 14797c478bd9Sstevel@tonic-gate } 14807c478bd9Sstevel@tonic-gate 14817c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_buflimit.fmds_value.ui64 - 14827c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 < size) { 14837c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_LIMIT, "cannot write '%s': " 14847c478bd9Sstevel@tonic-gate "buf limit exceeded (%llu)\n", name, (u_longlong_t) 14857c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buflimit.fmds_value.ui64); 14867c478bd9Sstevel@tonic-gate } 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 += size; 14897c478bd9Sstevel@tonic-gate bp = fmd_buf_insert(bhp, name, size); 14907c478bd9Sstevel@tonic-gate 14917c478bd9Sstevel@tonic-gate } else if (size > bp->buf_size) { 14927c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_OFLOW, 14937c478bd9Sstevel@tonic-gate "write to buf '%s' overflows buf size (%lu > %lu)\n", 14947c478bd9Sstevel@tonic-gate name, (ulong_t)size, (ulong_t)bp->buf_size); 14957c478bd9Sstevel@tonic-gate } 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate bcopy(buf, bp->buf_data, MIN(bp->buf_size, size)); 14987c478bd9Sstevel@tonic-gate bp->buf_flags |= FMD_BUF_DIRTY; 14997c478bd9Sstevel@tonic-gate 15007c478bd9Sstevel@tonic-gate if (cp != NULL) 15017c478bd9Sstevel@tonic-gate fmd_case_setdirty(cp); 15027c478bd9Sstevel@tonic-gate else 15037c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 15047c478bd9Sstevel@tonic-gate 15057c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15067c478bd9Sstevel@tonic-gate } 15077c478bd9Sstevel@tonic-gate 15087c478bd9Sstevel@tonic-gate size_t 15097c478bd9Sstevel@tonic-gate fmd_buf_size(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name) 15107c478bd9Sstevel@tonic-gate { 15117c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15127c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 15137c478bd9Sstevel@tonic-gate 15147c478bd9Sstevel@tonic-gate fmd_buf_t *bp; 15157c478bd9Sstevel@tonic-gate size_t size; 15167c478bd9Sstevel@tonic-gate 15177c478bd9Sstevel@tonic-gate if ((bp = fmd_buf_lookup(bhp, name)) != NULL) 15187c478bd9Sstevel@tonic-gate size = bp->buf_size; 15197c478bd9Sstevel@tonic-gate else 15207c478bd9Sstevel@tonic-gate size = 0; 15217c478bd9Sstevel@tonic-gate 15227c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15237c478bd9Sstevel@tonic-gate return (size); 15247c478bd9Sstevel@tonic-gate } 15257c478bd9Sstevel@tonic-gate 15267c478bd9Sstevel@tonic-gate void 15277c478bd9Sstevel@tonic-gate fmd_serd_create(fmd_hdl_t *hdl, const char *name, uint_t n, hrtime_t t) 15287c478bd9Sstevel@tonic-gate { 15297c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15307c478bd9Sstevel@tonic-gate 15317c478bd9Sstevel@tonic-gate if (fmd_serd_eng_lookup(&mp->mod_serds, name) != NULL) { 15327c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_EXISTS, 15337c478bd9Sstevel@tonic-gate "failed to create serd engine '%s': %s\n", 15347c478bd9Sstevel@tonic-gate name, fmd_strerror(EFMD_SERD_EXISTS)); 15357c478bd9Sstevel@tonic-gate } 15367c478bd9Sstevel@tonic-gate 15377c478bd9Sstevel@tonic-gate (void) fmd_serd_eng_insert(&mp->mod_serds, name, n, t); 15387c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 15397c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15407c478bd9Sstevel@tonic-gate } 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate void 15437c478bd9Sstevel@tonic-gate fmd_serd_destroy(fmd_hdl_t *hdl, const char *name) 15447c478bd9Sstevel@tonic-gate { 15457c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate fmd_serd_eng_delete(&mp->mod_serds, name); 15487c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 15497c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15507c478bd9Sstevel@tonic-gate } 15517c478bd9Sstevel@tonic-gate 15527c478bd9Sstevel@tonic-gate int 15537c478bd9Sstevel@tonic-gate fmd_serd_exists(fmd_hdl_t *hdl, const char *name) 15547c478bd9Sstevel@tonic-gate { 15557c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15567c478bd9Sstevel@tonic-gate int rv = (fmd_serd_eng_lookup(&mp->mod_serds, name) != NULL); 15577c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15587c478bd9Sstevel@tonic-gate 15597c478bd9Sstevel@tonic-gate return (rv); 15607c478bd9Sstevel@tonic-gate } 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate void 15637c478bd9Sstevel@tonic-gate fmd_serd_reset(fmd_hdl_t *hdl, const char *name) 15647c478bd9Sstevel@tonic-gate { 15657c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15667c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 15677c478bd9Sstevel@tonic-gate 15687c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 15697c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 15707c478bd9Sstevel@tonic-gate "serd engine '%s' does not exist\n", name); 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate fmd_serd_eng_reset(sgp); 15747c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 15757c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate 15787c478bd9Sstevel@tonic-gate int 15797c478bd9Sstevel@tonic-gate fmd_serd_record(fmd_hdl_t *hdl, const char *name, fmd_event_t *ep) 15807c478bd9Sstevel@tonic-gate { 15817c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15827c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 15837c478bd9Sstevel@tonic-gate int err; 15847c478bd9Sstevel@tonic-gate 15857c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 15867c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 15877c478bd9Sstevel@tonic-gate "failed to add record to serd engine '%s'", name); 15887c478bd9Sstevel@tonic-gate } 15897c478bd9Sstevel@tonic-gate 15907c478bd9Sstevel@tonic-gate err = fmd_serd_eng_record(sgp, ep); 15917c478bd9Sstevel@tonic-gate 15927c478bd9Sstevel@tonic-gate if (sgp->sg_flags & FMD_SERD_DIRTY) 15937c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 15947c478bd9Sstevel@tonic-gate 15957c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15967c478bd9Sstevel@tonic-gate return (err); 15977c478bd9Sstevel@tonic-gate } 15987c478bd9Sstevel@tonic-gate 15997c478bd9Sstevel@tonic-gate int 16007c478bd9Sstevel@tonic-gate fmd_serd_fired(fmd_hdl_t *hdl, const char *name) 16017c478bd9Sstevel@tonic-gate { 16027c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16037c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 16047c478bd9Sstevel@tonic-gate int err; 16057c478bd9Sstevel@tonic-gate 16067c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 16077c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 16087c478bd9Sstevel@tonic-gate "serd engine '%s' does not exist\n", name); 16097c478bd9Sstevel@tonic-gate } 16107c478bd9Sstevel@tonic-gate 16117c478bd9Sstevel@tonic-gate err = fmd_serd_eng_fired(sgp); 16127c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16137c478bd9Sstevel@tonic-gate return (err); 16147c478bd9Sstevel@tonic-gate } 16157c478bd9Sstevel@tonic-gate 16167c478bd9Sstevel@tonic-gate int 16177c478bd9Sstevel@tonic-gate fmd_serd_empty(fmd_hdl_t *hdl, const char *name) 16187c478bd9Sstevel@tonic-gate { 16197c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16207c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 16217c478bd9Sstevel@tonic-gate int empty; 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 16247c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 16257c478bd9Sstevel@tonic-gate "serd engine '%s' does not exist\n", name); 16267c478bd9Sstevel@tonic-gate } 16277c478bd9Sstevel@tonic-gate 16287c478bd9Sstevel@tonic-gate empty = fmd_serd_eng_empty(sgp); 16297c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16307c478bd9Sstevel@tonic-gate return (empty); 16317c478bd9Sstevel@tonic-gate } 16327c478bd9Sstevel@tonic-gate 16337c478bd9Sstevel@tonic-gate pthread_t 16347c478bd9Sstevel@tonic-gate fmd_thr_create(fmd_hdl_t *hdl, void (*func)(void *), void *arg) 16357c478bd9Sstevel@tonic-gate { 16367c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16377c478bd9Sstevel@tonic-gate fmd_thread_t *tp; 16387c478bd9Sstevel@tonic-gate pthread_t tid; 16397c478bd9Sstevel@tonic-gate 16407c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_thrtotal.fmds_value.ui32 >= 16417c478bd9Sstevel@tonic-gate mp->mod_stats->ms_thrlimit.fmds_value.ui32) { 16427c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_LIMIT, "%s request to create an " 16437c478bd9Sstevel@tonic-gate "auxiliary thread exceeds module thread limit (%u)\n", 16447c478bd9Sstevel@tonic-gate mp->mod_name, mp->mod_stats->ms_thrlimit.fmds_value.ui32); 16457c478bd9Sstevel@tonic-gate } 16467c478bd9Sstevel@tonic-gate 16477c478bd9Sstevel@tonic-gate if ((tp = fmd_thread_create(mp, func, arg)) == NULL) { 16487c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_CREATE, 16497c478bd9Sstevel@tonic-gate "failed to create auxiliary thread"); 16507c478bd9Sstevel@tonic-gate } 16517c478bd9Sstevel@tonic-gate 16527c478bd9Sstevel@tonic-gate tid = tp->thr_tid; 16537c478bd9Sstevel@tonic-gate mp->mod_stats->ms_thrtotal.fmds_value.ui32++; 16547c478bd9Sstevel@tonic-gate (void) fmd_idspace_xalloc(mp->mod_threads, tid, tp); 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16577c478bd9Sstevel@tonic-gate return (tid); 16587c478bd9Sstevel@tonic-gate } 16597c478bd9Sstevel@tonic-gate 16607c478bd9Sstevel@tonic-gate void 16617c478bd9Sstevel@tonic-gate fmd_thr_destroy(fmd_hdl_t *hdl, pthread_t tid) 16627c478bd9Sstevel@tonic-gate { 16637c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16647c478bd9Sstevel@tonic-gate fmd_thread_t *tp; 16657c478bd9Sstevel@tonic-gate int err; 16667c478bd9Sstevel@tonic-gate 16677c478bd9Sstevel@tonic-gate if (pthread_self() == tid) { 16687c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_INVAL, "auxiliary thread tried to " 16697c478bd9Sstevel@tonic-gate "destroy itself (tid %u)\n", tid); 16707c478bd9Sstevel@tonic-gate } 16717c478bd9Sstevel@tonic-gate 16727c478bd9Sstevel@tonic-gate if ((tp = fmd_idspace_getspecific(mp->mod_threads, tid)) == NULL) { 16737c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_INVAL, "auxiliary thread tried to " 16747c478bd9Sstevel@tonic-gate "destroy an invalid thread (tid %u)\n", tid); 16757c478bd9Sstevel@tonic-gate } 16767c478bd9Sstevel@tonic-gate 16777c478bd9Sstevel@tonic-gate /* 16787c478bd9Sstevel@tonic-gate * Wait for the specified thread to exit and then join with it. Since 16797c478bd9Sstevel@tonic-gate * the thread may need to make API calls in order to complete its work 16807c478bd9Sstevel@tonic-gate * we must sleep with the module lock unheld, and then reacquire it. 16817c478bd9Sstevel@tonic-gate */ 16827c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16837c478bd9Sstevel@tonic-gate err = pthread_join(tid, NULL); 16847c478bd9Sstevel@tonic-gate mp = fmd_api_module_lock(hdl); 16857c478bd9Sstevel@tonic-gate 16867c478bd9Sstevel@tonic-gate /* 16877c478bd9Sstevel@tonic-gate * Since pthread_join() was called without the module lock held, if 16887c478bd9Sstevel@tonic-gate * multiple callers attempted to destroy the same auxiliary thread 16897c478bd9Sstevel@tonic-gate * simultaneously, one will succeed and the others will get ESRCH. 16907c478bd9Sstevel@tonic-gate * Therefore we silently ignore ESRCH but only allow the caller who 16917c478bd9Sstevel@tonic-gate * succeessfully joined with the auxiliary thread to destroy it. 16927c478bd9Sstevel@tonic-gate */ 16937c478bd9Sstevel@tonic-gate if (err != 0 && err != ESRCH) { 16947c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_JOIN, 16957c478bd9Sstevel@tonic-gate "failed to join with auxiliary thread %u\n", tid); 16967c478bd9Sstevel@tonic-gate } 16977c478bd9Sstevel@tonic-gate 16987c478bd9Sstevel@tonic-gate if (err == 0) { 16997c478bd9Sstevel@tonic-gate fmd_thread_destroy(tp, FMD_THREAD_NOJOIN); 17007c478bd9Sstevel@tonic-gate mp->mod_stats->ms_thrtotal.fmds_value.ui32--; 17017c478bd9Sstevel@tonic-gate (void) fmd_idspace_free(mp->mod_threads, tid); 17027c478bd9Sstevel@tonic-gate } 17037c478bd9Sstevel@tonic-gate 17047c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17057c478bd9Sstevel@tonic-gate } 17067c478bd9Sstevel@tonic-gate 17077c478bd9Sstevel@tonic-gate void 17087c478bd9Sstevel@tonic-gate fmd_thr_signal(fmd_hdl_t *hdl, pthread_t tid) 17097c478bd9Sstevel@tonic-gate { 17107c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17117c478bd9Sstevel@tonic-gate 17127c478bd9Sstevel@tonic-gate if (tid != mp->mod_thread->thr_tid && 17137c478bd9Sstevel@tonic-gate fmd_idspace_getspecific(mp->mod_threads, tid) == NULL) { 17147c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_INVAL, "tid %u is not a valid " 17157c478bd9Sstevel@tonic-gate "thread id for module %s\n", tid, mp->mod_name); 17167c478bd9Sstevel@tonic-gate } 17177c478bd9Sstevel@tonic-gate 17187c478bd9Sstevel@tonic-gate (void) pthread_kill(tid, fmd.d_thr_sig); 17197c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17207c478bd9Sstevel@tonic-gate } 17217c478bd9Sstevel@tonic-gate 17227c478bd9Sstevel@tonic-gate id_t 17237c478bd9Sstevel@tonic-gate fmd_timer_install(fmd_hdl_t *hdl, void *arg, fmd_event_t *ep, hrtime_t delta) 17247c478bd9Sstevel@tonic-gate { 17257c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17267c478bd9Sstevel@tonic-gate fmd_modtimer_t *t; 17277c478bd9Sstevel@tonic-gate id_t id; 17287c478bd9Sstevel@tonic-gate 17297c478bd9Sstevel@tonic-gate if (delta < 0) { 17307c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_TIMER_INVAL, 17317c478bd9Sstevel@tonic-gate "timer delta %lld is not a valid interval\n", delta); 17327c478bd9Sstevel@tonic-gate } 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate t = fmd_alloc(sizeof (fmd_modtimer_t), FMD_SLEEP); 17357c478bd9Sstevel@tonic-gate t->mt_mod = mp; 17367c478bd9Sstevel@tonic-gate t->mt_arg = arg; 17377c478bd9Sstevel@tonic-gate t->mt_id = -1; 17387c478bd9Sstevel@tonic-gate 17397c478bd9Sstevel@tonic-gate if ((id = fmd_timerq_install(fmd.d_timers, mp->mod_timerids, 17407c478bd9Sstevel@tonic-gate (fmd_timer_f *)fmd_module_timeout, t, ep, delta)) == -1) { 17417c478bd9Sstevel@tonic-gate fmd_free(t, sizeof (fmd_modtimer_t)); 17427c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_TIMER_LIMIT, 17437c478bd9Sstevel@tonic-gate "failed to install timer +%lld", delta); 17447c478bd9Sstevel@tonic-gate } 17457c478bd9Sstevel@tonic-gate 17467c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17477c478bd9Sstevel@tonic-gate return (id); 17487c478bd9Sstevel@tonic-gate } 17497c478bd9Sstevel@tonic-gate 17507c478bd9Sstevel@tonic-gate void 17517c478bd9Sstevel@tonic-gate fmd_timer_remove(fmd_hdl_t *hdl, id_t id) 17527c478bd9Sstevel@tonic-gate { 17537c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17547c478bd9Sstevel@tonic-gate fmd_modtimer_t *t; 17557c478bd9Sstevel@tonic-gate 17567c478bd9Sstevel@tonic-gate if (!fmd_idspace_valid(mp->mod_timerids, id)) { 17577c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_TIMER_INVAL, 17587c478bd9Sstevel@tonic-gate "id %ld is not a valid timer id\n", id); 17597c478bd9Sstevel@tonic-gate } 17607c478bd9Sstevel@tonic-gate 17619dd0f810Scindi /* 17629dd0f810Scindi * If the timer has not fired (t != NULL), remove it from the timer 17639dd0f810Scindi * queue. If the timer has fired (t == NULL), we could be in one of 17649dd0f810Scindi * two situations: a) we are processing the timer callback or b) 17659dd0f810Scindi * the timer event is on the module queue awaiting dispatch. For a), 17669dd0f810Scindi * fmd_timerq_remove() will wait for the timer callback function 17679dd0f810Scindi * to complete and queue an event for dispatch. For a) and b), 17689dd0f810Scindi * we cancel the outstanding timer event from the module's dispatch 17699dd0f810Scindi * queue. 17709dd0f810Scindi */ 17719dd0f810Scindi if ((t = fmd_timerq_remove(fmd.d_timers, mp->mod_timerids, id)) != NULL) 17729dd0f810Scindi fmd_free(t, sizeof (fmd_modtimer_t)); 17737c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17747c478bd9Sstevel@tonic-gate 17759dd0f810Scindi fmd_eventq_cancel(mp->mod_queue, FMD_EVT_TIMEOUT, (void *)id); 17767c478bd9Sstevel@tonic-gate } 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate nvlist_t * 17797c478bd9Sstevel@tonic-gate fmd_nvl_create_fault(fmd_hdl_t *hdl, const char *class, 17807c478bd9Sstevel@tonic-gate uint8_t certainty, nvlist_t *asru, nvlist_t *fru, nvlist_t *rsrc) 17817c478bd9Sstevel@tonic-gate { 17829dd0f810Scindi fmd_module_t *mp; 17837c478bd9Sstevel@tonic-gate nvlist_t *nvl; 17847c478bd9Sstevel@tonic-gate 17859dd0f810Scindi mp = fmd_api_module_lock(hdl); 17867c478bd9Sstevel@tonic-gate if (class == NULL || class[0] == '\0') 17877c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, "invalid fault class\n"); 17887c478bd9Sstevel@tonic-gate 1789*b7d3956bSstephh nvl = fmd_protocol_fault(class, certainty, asru, fru, rsrc, NULL); 179024db4641Seschrock 179124db4641Seschrock fmd_module_unlock(mp); 179224db4641Seschrock 17937c478bd9Sstevel@tonic-gate return (nvl); 17947c478bd9Sstevel@tonic-gate } 17957c478bd9Sstevel@tonic-gate 17967c478bd9Sstevel@tonic-gate int 17977c478bd9Sstevel@tonic-gate fmd_nvl_class_match(fmd_hdl_t *hdl, nvlist_t *nvl, const char *pattern) 17987c478bd9Sstevel@tonic-gate { 17997c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 18007c478bd9Sstevel@tonic-gate char *class; 18017c478bd9Sstevel@tonic-gate int rv; 18027c478bd9Sstevel@tonic-gate 18037c478bd9Sstevel@tonic-gate rv = (nvl != NULL && nvlist_lookup_string(nvl, 18047c478bd9Sstevel@tonic-gate FM_CLASS, &class) == 0 && fmd_strmatch(class, pattern)); 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 18077c478bd9Sstevel@tonic-gate return (rv); 18087c478bd9Sstevel@tonic-gate } 18097c478bd9Sstevel@tonic-gate 18107c478bd9Sstevel@tonic-gate int 18117c478bd9Sstevel@tonic-gate fmd_nvl_fmri_expand(fmd_hdl_t *hdl, nvlist_t *nvl) 18127c478bd9Sstevel@tonic-gate { 18137c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 18147c478bd9Sstevel@tonic-gate int rv; 18157c478bd9Sstevel@tonic-gate 18167c478bd9Sstevel@tonic-gate if (nvl == NULL) { 18177c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 18187c478bd9Sstevel@tonic-gate "invalid nvlist %p\n", (void *)nvl); 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate rv = fmd_fmri_expand(nvl); 18227c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 18237c478bd9Sstevel@tonic-gate return (rv); 18247c478bd9Sstevel@tonic-gate } 18257c478bd9Sstevel@tonic-gate 18267c478bd9Sstevel@tonic-gate int 18277c478bd9Sstevel@tonic-gate fmd_nvl_fmri_present(fmd_hdl_t *hdl, nvlist_t *nvl) 18287c478bd9Sstevel@tonic-gate { 18297c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 18307c478bd9Sstevel@tonic-gate int rv; 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate if (nvl == NULL) { 18337c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 18347c478bd9Sstevel@tonic-gate "invalid nvlist %p\n", (void *)nvl); 18357c478bd9Sstevel@tonic-gate } 18367c478bd9Sstevel@tonic-gate 18377c478bd9Sstevel@tonic-gate rv = fmd_fmri_present(nvl); 18387c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 18397c478bd9Sstevel@tonic-gate 18407c478bd9Sstevel@tonic-gate if (rv < 0) { 18417c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_FMRI_OP, "invalid fmri for " 18427c478bd9Sstevel@tonic-gate "fmd_nvl_fmri_present\n"); 18437c478bd9Sstevel@tonic-gate } 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate return (rv); 18467c478bd9Sstevel@tonic-gate } 18477c478bd9Sstevel@tonic-gate 18487c478bd9Sstevel@tonic-gate int 18497c478bd9Sstevel@tonic-gate fmd_nvl_fmri_unusable(fmd_hdl_t *hdl, nvlist_t *nvl) 18507c478bd9Sstevel@tonic-gate { 18517c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 18527c478bd9Sstevel@tonic-gate int rv; 18537c478bd9Sstevel@tonic-gate 18547c478bd9Sstevel@tonic-gate if (nvl == NULL) { 18557c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 18567c478bd9Sstevel@tonic-gate "invalid nvlist %p\n", (void *)nvl); 18577c478bd9Sstevel@tonic-gate } 18587c478bd9Sstevel@tonic-gate 18597c478bd9Sstevel@tonic-gate rv = fmd_fmri_unusable(nvl); 18607c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 18617c478bd9Sstevel@tonic-gate 18627c478bd9Sstevel@tonic-gate if (rv < 0) { 18637c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_FMRI_OP, "invalid fmri for " 18647c478bd9Sstevel@tonic-gate "fmd_nvl_fmri_unusable\n"); 18657c478bd9Sstevel@tonic-gate } 18667c478bd9Sstevel@tonic-gate 18677c478bd9Sstevel@tonic-gate return (rv); 18687c478bd9Sstevel@tonic-gate } 18697c478bd9Sstevel@tonic-gate 18707aec1d6eScindi int 18717aec1d6eScindi fmd_nvl_fmri_faulty(fmd_hdl_t *hdl, nvlist_t *nvl) 18727aec1d6eScindi { 18737aec1d6eScindi fmd_module_t *mp = fmd_api_module_lock(hdl); 18747aec1d6eScindi fmd_asru_hash_t *ahp = fmd.d_asrus; 18757aec1d6eScindi fmd_asru_t *ap; 18767aec1d6eScindi int rv = 0; 18777aec1d6eScindi 18787aec1d6eScindi if (nvl == NULL) { 18797aec1d6eScindi fmd_api_error(mp, EFMD_NVL_INVAL, 18807aec1d6eScindi "invalid nvlist %p\n", (void *)nvl); 18817aec1d6eScindi } 18827aec1d6eScindi 1883567cc2e6Sstephh if ((ap = fmd_asru_hash_lookup_nvl(ahp, nvl)) != NULL) { 18847aec1d6eScindi rv = (ap->asru_flags & FMD_ASRU_FAULTY) != 0; 18857aec1d6eScindi fmd_asru_hash_release(ahp, ap); 18867aec1d6eScindi } 18877aec1d6eScindi 18887aec1d6eScindi fmd_module_unlock(mp); 18897aec1d6eScindi return (rv); 18907aec1d6eScindi } 18917aec1d6eScindi 18927c478bd9Sstevel@tonic-gate int 18937c478bd9Sstevel@tonic-gate fmd_nvl_fmri_contains(fmd_hdl_t *hdl, nvlist_t *n1, nvlist_t *n2) 18947c478bd9Sstevel@tonic-gate { 18957c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 18967c478bd9Sstevel@tonic-gate int rv; 18977c478bd9Sstevel@tonic-gate 18987c478bd9Sstevel@tonic-gate if (n1 == NULL || n2 == NULL) { 18997c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 19007c478bd9Sstevel@tonic-gate "invalid nvlist(s): %p, %p\n", (void *)n1, (void *)n2); 19017c478bd9Sstevel@tonic-gate } 19027c478bd9Sstevel@tonic-gate 19037c478bd9Sstevel@tonic-gate rv = fmd_fmri_contains(n1, n2); 19047c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 19057c478bd9Sstevel@tonic-gate 19067c478bd9Sstevel@tonic-gate if (rv < 0) { 19077c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_FMRI_OP, "invalid fmri for " 19087c478bd9Sstevel@tonic-gate "fmd_nvl_fmri_contains\n"); 19097c478bd9Sstevel@tonic-gate } 19107c478bd9Sstevel@tonic-gate 19117c478bd9Sstevel@tonic-gate return (rv); 19127c478bd9Sstevel@tonic-gate } 1913d9638e54Smws 1914d9638e54Smws nvlist_t * 1915d9638e54Smws fmd_nvl_fmri_translate(fmd_hdl_t *hdl, nvlist_t *fmri, nvlist_t *auth) 1916d9638e54Smws { 1917d9638e54Smws fmd_module_t *mp = fmd_api_module_lock(hdl); 1918d9638e54Smws nvlist_t *xfmri; 1919d9638e54Smws 1920d9638e54Smws if (fmri == NULL || auth == NULL) { 1921d9638e54Smws fmd_api_error(mp, EFMD_NVL_INVAL, 1922d9638e54Smws "invalid nvlist(s): %p, %p\n", (void *)fmri, (void *)auth); 1923d9638e54Smws } 1924d9638e54Smws 1925d9638e54Smws xfmri = fmd_fmri_translate(fmri, auth); 1926d9638e54Smws fmd_module_unlock(mp); 1927d9638e54Smws return (xfmri); 1928d9638e54Smws } 1929d9638e54Smws 19309af3851aSeschrock static int 19319af3851aSeschrock fmd_nvl_op_init(nv_alloc_t *ops, va_list ap) 19329af3851aSeschrock { 19339af3851aSeschrock fmd_module_t *mp = va_arg(ap, fmd_module_t *); 19349af3851aSeschrock 19359af3851aSeschrock ops->nva_arg = mp; 19369af3851aSeschrock 19379af3851aSeschrock return (0); 19389af3851aSeschrock } 19399af3851aSeschrock 19409af3851aSeschrock static void * 19419af3851aSeschrock fmd_nvl_op_alloc_sleep(nv_alloc_t *ops, size_t size) 19429af3851aSeschrock { 19439af3851aSeschrock fmd_module_t *mp = ops->nva_arg; 19449af3851aSeschrock 19459af3851aSeschrock return (fmd_hdl_alloc_locked(mp, size, FMD_SLEEP)); 19469af3851aSeschrock } 19479af3851aSeschrock 19489af3851aSeschrock static void * 19499af3851aSeschrock fmd_nvl_op_alloc_nosleep(nv_alloc_t *ops, size_t size) 19509af3851aSeschrock { 19519af3851aSeschrock fmd_module_t *mp = ops->nva_arg; 19529af3851aSeschrock 19539af3851aSeschrock return (fmd_hdl_alloc_locked(mp, size, FMD_NOSLEEP)); 19549af3851aSeschrock } 19559af3851aSeschrock 19569af3851aSeschrock static void 19579af3851aSeschrock fmd_nvl_op_free(nv_alloc_t *ops, void *data, size_t size) 19589af3851aSeschrock { 19599af3851aSeschrock fmd_module_t *mp = ops->nva_arg; 19609af3851aSeschrock 19619af3851aSeschrock fmd_hdl_free_locked(mp, data, size); 19629af3851aSeschrock } 19639af3851aSeschrock 19649af3851aSeschrock nv_alloc_ops_t fmd_module_nva_ops_sleep = { 19659af3851aSeschrock fmd_nvl_op_init, 19669af3851aSeschrock NULL, 19679af3851aSeschrock fmd_nvl_op_alloc_sleep, 19689af3851aSeschrock fmd_nvl_op_free, 19699af3851aSeschrock NULL 19709af3851aSeschrock }; 19719af3851aSeschrock 19729af3851aSeschrock nv_alloc_ops_t fmd_module_nva_ops_nosleep = { 19739af3851aSeschrock fmd_nvl_op_init, 19749af3851aSeschrock NULL, 19759af3851aSeschrock fmd_nvl_op_alloc_nosleep, 19769af3851aSeschrock fmd_nvl_op_free, 19779af3851aSeschrock NULL 19789af3851aSeschrock }; 19799af3851aSeschrock 19809af3851aSeschrock nvlist_t * 19819af3851aSeschrock fmd_nvl_alloc(fmd_hdl_t *hdl, int flags) 19829af3851aSeschrock { 19839af3851aSeschrock fmd_module_t *mp = fmd_api_module_lock(hdl); 19849af3851aSeschrock nv_alloc_t *nva; 19859af3851aSeschrock nvlist_t *nvl; 19869af3851aSeschrock int ret; 19879af3851aSeschrock 19889af3851aSeschrock if (flags == FMD_SLEEP) 19899af3851aSeschrock nva = &mp->mod_nva_sleep; 19909af3851aSeschrock else 19919af3851aSeschrock nva = &mp->mod_nva_nosleep; 19929af3851aSeschrock 19939af3851aSeschrock ret = nvlist_xalloc(&nvl, NV_UNIQUE_NAME, nva); 19949af3851aSeschrock 19959af3851aSeschrock fmd_module_unlock(mp); 19969af3851aSeschrock 19979af3851aSeschrock if (ret != 0) 19989af3851aSeschrock return (NULL); 19999af3851aSeschrock else 20009af3851aSeschrock return (nvl); 20019af3851aSeschrock } 20029af3851aSeschrock 20039af3851aSeschrock nvlist_t * 20049af3851aSeschrock fmd_nvl_dup(fmd_hdl_t *hdl, nvlist_t *src, int flags) 20059af3851aSeschrock { 20069af3851aSeschrock fmd_module_t *mp = fmd_api_module_lock(hdl); 20079af3851aSeschrock nv_alloc_t *nva; 20089af3851aSeschrock nvlist_t *nvl; 20099af3851aSeschrock int ret; 20109af3851aSeschrock 20119af3851aSeschrock if (flags == FMD_SLEEP) 20129af3851aSeschrock nva = &mp->mod_nva_sleep; 20139af3851aSeschrock else 20149af3851aSeschrock nva = &mp->mod_nva_nosleep; 20159af3851aSeschrock 20169af3851aSeschrock ret = nvlist_xdup(src, &nvl, nva); 20179af3851aSeschrock 20189af3851aSeschrock fmd_module_unlock(mp); 20199af3851aSeschrock 20209af3851aSeschrock if (ret != 0) 20219af3851aSeschrock return (NULL); 20229af3851aSeschrock else 20239af3851aSeschrock return (nvl); 20249af3851aSeschrock } 20259af3851aSeschrock 2026d9638e54Smws int 2027d9638e54Smws fmd_event_local(fmd_hdl_t *hdl, fmd_event_t *ep) 2028d9638e54Smws { 2029d9638e54Smws if (hdl == NULL || ep == NULL) { 2030d9638e54Smws fmd_api_error(fmd_api_module_lock(hdl), EFMD_EVENT_INVAL, 2031d9638e54Smws "NULL parameter specified to fmd_event_local\n"); 2032d9638e54Smws } 2033d9638e54Smws 2034d9638e54Smws return (((fmd_event_impl_t *)ep)->ev_flags & FMD_EVF_LOCAL); 2035d9638e54Smws } 2036d9638e54Smws 203724db4641Seschrock /*ARGSUSED*/ 203824db4641Seschrock uint64_t 203924db4641Seschrock fmd_event_ena_create(fmd_hdl_t *hdl) 204024db4641Seschrock { 204124db4641Seschrock return (fmd_ena()); 204224db4641Seschrock } 204324db4641Seschrock 2044d9638e54Smws fmd_xprt_t * 2045d9638e54Smws fmd_xprt_open(fmd_hdl_t *hdl, uint_t flags, nvlist_t *auth, void *data) 2046d9638e54Smws { 2047d9638e54Smws fmd_module_t *mp = fmd_api_module_lock(hdl); 2048d9638e54Smws fmd_xprt_t *xp; 2049d9638e54Smws 2050d9638e54Smws if (flags & ~FMD_XPRT_CMASK) { 2051d9638e54Smws fmd_api_error(mp, EFMD_XPRT_INVAL, 2052d9638e54Smws "invalid transport flags 0x%x\n", flags); 2053d9638e54Smws } 2054d9638e54Smws 2055d9638e54Smws if ((flags & FMD_XPRT_RDWR) != FMD_XPRT_RDWR && 2056d9638e54Smws (flags & FMD_XPRT_RDWR) != FMD_XPRT_RDONLY) { 2057d9638e54Smws fmd_api_error(mp, EFMD_XPRT_INVAL, 2058d9638e54Smws "cannot open write-only transport\n"); 2059d9638e54Smws } 2060d9638e54Smws 2061d9638e54Smws if (mp->mod_stats->ms_xprtopen.fmds_value.ui32 >= 2062d9638e54Smws mp->mod_stats->ms_xprtlimit.fmds_value.ui32) { 2063d9638e54Smws fmd_api_error(mp, EFMD_XPRT_LIMIT, "%s request to create a " 2064d9638e54Smws "transport exceeds module transport limit (%u)\n", 2065d9638e54Smws mp->mod_name, mp->mod_stats->ms_xprtlimit.fmds_value.ui32); 2066d9638e54Smws } 2067d9638e54Smws 2068d9638e54Smws if ((xp = fmd_xprt_create(mp, flags, auth, data)) == NULL) 2069d9638e54Smws fmd_api_error(mp, errno, "cannot create transport"); 2070d9638e54Smws 2071d9638e54Smws fmd_module_unlock(mp); 2072d9638e54Smws return (xp); 2073d9638e54Smws } 2074d9638e54Smws 2075d9638e54Smws void 2076d9638e54Smws fmd_xprt_close(fmd_hdl_t *hdl, fmd_xprt_t *xp) 2077d9638e54Smws { 2078d9638e54Smws fmd_module_t *mp = fmd_api_module_lock(hdl); 2079d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 2080d9638e54Smws 2081d9638e54Smws /* 2082d9638e54Smws * Although this could be supported, it doesn't seem necessary or worth 2083d9638e54Smws * the trouble. For now, just detect this and trigger a module abort. 2084d9638e54Smws * If it is needed, transports should grow reference counts and a new 2085d9638e54Smws * event type will need to be enqueued for the main thread to reap it. 2086d9638e54Smws */ 2087d9638e54Smws if (xip->xi_thread != NULL && 2088d9638e54Smws xip->xi_thread->thr_tid == pthread_self()) { 2089d9638e54Smws fmd_api_error(mp, EFMD_XPRT_INVAL, 2090d9638e54Smws "fmd_xprt_close() cannot be called from fmdo_send()\n"); 2091d9638e54Smws } 2092d9638e54Smws 2093d9638e54Smws fmd_xprt_destroy(xp); 2094d9638e54Smws fmd_module_unlock(mp); 2095d9638e54Smws } 2096d9638e54Smws 2097d9638e54Smws void 2098d9638e54Smws fmd_xprt_post(fmd_hdl_t *hdl, fmd_xprt_t *xp, nvlist_t *nvl, hrtime_t hrt) 2099d9638e54Smws { 2100d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 2101d9638e54Smws 2102d9638e54Smws /* 2103d9638e54Smws * fmd_xprt_recv() must block during startup waiting for fmd to globally 2104d9638e54Smws * clear FMD_XPRT_DSUSPENDED. As such, we can't allow it to be called 2105d9638e54Smws * from a module's _fmd_init() routine, because that would block 2106d9638e54Smws * fmd from completing initial module loading, resulting in a deadlock. 2107d9638e54Smws */ 2108d9638e54Smws if ((xip->xi_flags & FMD_XPRT_ISUSPENDED) && 2109d9638e54Smws (pthread_self() == xip->xi_queue->eq_mod->mod_thread->thr_tid)) { 2110d9638e54Smws fmd_api_error(fmd_api_module_lock(hdl), EFMD_XPRT_INVAL, 2111d9638e54Smws "fmd_xprt_post() cannot be called from _fmd_init()\n"); 2112d9638e54Smws } 2113d9638e54Smws 2114d9638e54Smws fmd_xprt_recv(xp, nvl, hrt); 2115d9638e54Smws } 2116d9638e54Smws 2117d9638e54Smws void 2118d9638e54Smws fmd_xprt_suspend(fmd_hdl_t *hdl, fmd_xprt_t *xp) 2119d9638e54Smws { 2120d9638e54Smws (void) fmd_api_transport_impl(hdl, xp); /* validate 'xp' */ 2121d9638e54Smws fmd_xprt_xsuspend(xp, FMD_XPRT_SUSPENDED); 2122d9638e54Smws } 2123d9638e54Smws 2124d9638e54Smws void 2125d9638e54Smws fmd_xprt_resume(fmd_hdl_t *hdl, fmd_xprt_t *xp) 2126d9638e54Smws { 2127d9638e54Smws (void) fmd_api_transport_impl(hdl, xp); /* validate 'xp' */ 2128d9638e54Smws fmd_xprt_xresume(xp, FMD_XPRT_SUSPENDED); 2129d9638e54Smws } 2130d9638e54Smws 2131d9638e54Smws int 2132d9638e54Smws fmd_xprt_error(fmd_hdl_t *hdl, fmd_xprt_t *xp) 2133d9638e54Smws { 2134d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 2135d9638e54Smws return (xip->xi_state == _fmd_xprt_state_err); 2136d9638e54Smws } 2137d9638e54Smws 2138d9638e54Smws /* 2139d9638e54Smws * Translate all FMRIs in the specified name-value pair list for the specified 2140d9638e54Smws * FMRI authority, and return a new name-value pair list for the translation. 2141d9638e54Smws * This function is the recursive engine used by fmd_xprt_translate(), below. 2142d9638e54Smws */ 2143d9638e54Smws static nvlist_t * 2144d9638e54Smws fmd_xprt_xtranslate(nvlist_t *nvl, nvlist_t *auth) 2145d9638e54Smws { 2146d9638e54Smws uint_t i, j, n; 2147d9638e54Smws nvpair_t *nvp, **nvps; 2148d9638e54Smws uint_t nvpslen = 0; 2149d9638e54Smws char *name; 2150d9638e54Smws size_t namelen = 0; 2151d9638e54Smws 2152d9638e54Smws nvlist_t **a, **b; 2153d9638e54Smws nvlist_t *l, *r; 2154d9638e54Smws data_type_t type; 2155d9638e54Smws char *s; 2156d9638e54Smws int err; 2157d9638e54Smws 2158d9638e54Smws (void) nvlist_xdup(nvl, &nvl, &fmd.d_nva); 2159d9638e54Smws 2160d9638e54Smws /* 2161d9638e54Smws * Count up the number of name-value pairs in 'nvl' and compute the 2162d9638e54Smws * maximum length of a name used in this list for use below. 2163d9638e54Smws */ 2164d9638e54Smws for (nvp = nvlist_next_nvpair(nvl, NULL); 2165d9638e54Smws nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp), nvpslen++) { 2166d9638e54Smws size_t len = strlen(nvpair_name(nvp)); 2167d9638e54Smws namelen = MAX(namelen, len); 2168d9638e54Smws } 2169d9638e54Smws 2170d9638e54Smws nvps = alloca(sizeof (nvpair_t *) * nvpslen); 2171d9638e54Smws name = alloca(namelen + 1); 2172d9638e54Smws 2173d9638e54Smws /* 2174d9638e54Smws * Store a snapshot of the name-value pairs in 'nvl' into nvps[] so 2175d9638e54Smws * that we can iterate over the original pairs in the loop below while 2176d9638e54Smws * performing arbitrary insert and delete operations on 'nvl' itself. 2177d9638e54Smws */ 2178d9638e54Smws for (i = 0, nvp = nvlist_next_nvpair(nvl, NULL); 2179d9638e54Smws nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) 2180d9638e54Smws nvps[i++] = nvp; 2181d9638e54Smws 2182d9638e54Smws /* 2183d9638e54Smws * Now iterate over the snapshot of the name-value pairs. If we find a 2184d9638e54Smws * value that is of type NVLIST or NVLIST_ARRAY, we translate that 2185d9638e54Smws * object by either calling ourself recursively on it, or calling into 2186d9638e54Smws * fmd_fmri_translate() if the object is an FMRI. We then rip out the 2187d9638e54Smws * original name-value pair and replace it with the translated one. 2188d9638e54Smws */ 2189d9638e54Smws for (i = 0; i < nvpslen; i++) { 2190d9638e54Smws nvp = nvps[i]; 2191d9638e54Smws type = nvpair_type(nvp); 2192d9638e54Smws 2193d9638e54Smws switch (type) { 2194d9638e54Smws case DATA_TYPE_NVLIST_ARRAY: 2195d9638e54Smws if (nvpair_value_nvlist_array(nvp, &a, &n) != 0 || 2196d9638e54Smws a == NULL || n == 0) 2197d9638e54Smws continue; /* array is zero-sized; skip it */ 2198d9638e54Smws 2199d9638e54Smws b = fmd_alloc(sizeof (nvlist_t *) * n, FMD_SLEEP); 2200d9638e54Smws 2201d9638e54Smws /* 2202d9638e54Smws * If the first array nvlist element looks like an FMRI 2203d9638e54Smws * then assume the other elements are FMRIs as well. 2204d9638e54Smws * If any b[j]'s can't be translated, then EINVAL will 2205d9638e54Smws * be returned from nvlist_add_nvlist_array() below. 2206d9638e54Smws */ 2207d9638e54Smws if (nvlist_lookup_string(*a, FM_FMRI_SCHEME, &s) == 0) { 2208d9638e54Smws for (j = 0; j < n; j++) 2209d9638e54Smws b[j] = fmd_fmri_translate(a[j], auth); 2210d9638e54Smws } else { 2211d9638e54Smws for (j = 0; j < n; j++) 2212d9638e54Smws b[j] = fmd_xprt_xtranslate(a[j], auth); 2213d9638e54Smws } 2214d9638e54Smws 2215d9638e54Smws (void) strcpy(name, nvpair_name(nvp)); 2216d9638e54Smws (void) nvlist_remove(nvl, name, type); 2217d9638e54Smws err = nvlist_add_nvlist_array(nvl, name, b, n); 2218d9638e54Smws 2219d9638e54Smws for (j = 0; j < n; j++) 2220d9638e54Smws nvlist_free(b[j]); 2221d9638e54Smws 2222d9638e54Smws fmd_free(b, sizeof (nvlist_t *) * n); 2223d9638e54Smws 2224d9638e54Smws if (err != 0) { 2225d9638e54Smws nvlist_free(nvl); 2226d9638e54Smws errno = err; 2227d9638e54Smws return (NULL); 2228d9638e54Smws } 2229d9638e54Smws break; 2230d9638e54Smws 2231d9638e54Smws case DATA_TYPE_NVLIST: 2232d9638e54Smws if (nvpair_value_nvlist(nvp, &l) == 0 && 2233d9638e54Smws nvlist_lookup_string(l, FM_FMRI_SCHEME, &s) == 0) 2234d9638e54Smws r = fmd_fmri_translate(l, auth); 2235d9638e54Smws else 2236d9638e54Smws r = fmd_xprt_xtranslate(l, auth); 2237d9638e54Smws 2238d9638e54Smws if (r == NULL) { 2239d9638e54Smws nvlist_free(nvl); 2240d9638e54Smws return (NULL); 2241d9638e54Smws } 2242d9638e54Smws 2243d9638e54Smws (void) strcpy(name, nvpair_name(nvp)); 2244d9638e54Smws (void) nvlist_remove(nvl, name, type); 2245d9638e54Smws (void) nvlist_add_nvlist(nvl, name, r); 2246d9638e54Smws 2247d9638e54Smws nvlist_free(r); 2248d9638e54Smws break; 2249d9638e54Smws } 2250d9638e54Smws } 2251d9638e54Smws 2252d9638e54Smws return (nvl); 2253d9638e54Smws } 2254d9638e54Smws 2255d9638e54Smws nvlist_t * 2256d9638e54Smws fmd_xprt_translate(fmd_hdl_t *hdl, fmd_xprt_t *xp, fmd_event_t *ep) 2257d9638e54Smws { 2258d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 2259d9638e54Smws 2260d9638e54Smws if (xip->xi_auth == NULL) { 2261d9638e54Smws fmd_api_error(fmd_api_module_lock(hdl), EFMD_XPRT_INVAL, 2262d9638e54Smws "no authority defined for transport %p\n", (void *)xp); 2263d9638e54Smws } 2264d9638e54Smws 2265d9638e54Smws return (fmd_xprt_xtranslate(FMD_EVENT_NVL(ep), xip->xi_auth)); 2266d9638e54Smws } 2267d9638e54Smws 2268d9638e54Smws void 2269d9638e54Smws fmd_xprt_setspecific(fmd_hdl_t *hdl, fmd_xprt_t *xp, void *data) 2270d9638e54Smws { 2271d9638e54Smws fmd_api_transport_impl(hdl, xp)->xi_data = data; 2272d9638e54Smws } 2273d9638e54Smws 2274d9638e54Smws void * 2275d9638e54Smws fmd_xprt_getspecific(fmd_hdl_t *hdl, fmd_xprt_t *xp) 2276d9638e54Smws { 2277d9638e54Smws return (fmd_api_transport_impl(hdl, xp)->xi_data); 2278d9638e54Smws } 2279