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 /* 23*24db4641Seschrock * Copyright 2007 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> 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <unistd.h> 337c478bd9Sstevel@tonic-gate #include <signal.h> 347c478bd9Sstevel@tonic-gate #include <limits.h> 357c478bd9Sstevel@tonic-gate #include <syslog.h> 367c478bd9Sstevel@tonic-gate #include <alloca.h> 37*24db4641Seschrock #include <stddef.h> 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #include <fmd_module.h> 407c478bd9Sstevel@tonic-gate #include <fmd_api.h> 417c478bd9Sstevel@tonic-gate #include <fmd_string.h> 427c478bd9Sstevel@tonic-gate #include <fmd_subr.h> 437c478bd9Sstevel@tonic-gate #include <fmd_error.h> 447c478bd9Sstevel@tonic-gate #include <fmd_event.h> 457c478bd9Sstevel@tonic-gate #include <fmd_eventq.h> 467c478bd9Sstevel@tonic-gate #include <fmd_dispq.h> 477c478bd9Sstevel@tonic-gate #include <fmd_timerq.h> 487c478bd9Sstevel@tonic-gate #include <fmd_thread.h> 497c478bd9Sstevel@tonic-gate #include <fmd_ustat.h> 507c478bd9Sstevel@tonic-gate #include <fmd_case.h> 517c478bd9Sstevel@tonic-gate #include <fmd_protocol.h> 527c478bd9Sstevel@tonic-gate #include <fmd_buf.h> 537c478bd9Sstevel@tonic-gate #include <fmd_asru.h> 547c478bd9Sstevel@tonic-gate #include <fmd_fmri.h> 550eb822a1Scindi #include <fmd_topo.h> 567c478bd9Sstevel@tonic-gate #include <fmd_ckpt.h> 57d9638e54Smws #include <fmd_xprt.h> 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate #include <fmd.h> 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate /* 627c478bd9Sstevel@tonic-gate * Table of configuration file variable types ops-vector pointers. We use this 637c478bd9Sstevel@tonic-gate * to convert from the property description array specified by the module to an 647c478bd9Sstevel@tonic-gate * array of fmd_conf_formal_t's. The order of this array must match the order 657c478bd9Sstevel@tonic-gate * of #define values specified in <fmd_api.h> (i.e. FMD_TYPE_BOOL must be 0). 667c478bd9Sstevel@tonic-gate * For now, the fmd_conf_list and fmd_conf_path types are not supported as we 677c478bd9Sstevel@tonic-gate * do not believe modules need them and they would require more complexity. 687c478bd9Sstevel@tonic-gate */ 697c478bd9Sstevel@tonic-gate static const fmd_conf_ops_t *const _fmd_prop_ops[] = { 707c478bd9Sstevel@tonic-gate &fmd_conf_bool, /* FMD_TYPE_BOOL */ 717c478bd9Sstevel@tonic-gate &fmd_conf_int32, /* FMD_TYPE_INT32 */ 727c478bd9Sstevel@tonic-gate &fmd_conf_uint32, /* FMD_TYPE_UINT32 */ 737c478bd9Sstevel@tonic-gate &fmd_conf_int64, /* FMD_TYPE_INT64 */ 747c478bd9Sstevel@tonic-gate &fmd_conf_uint64, /* FMD_TYPE_UINT64 */ 757c478bd9Sstevel@tonic-gate &fmd_conf_string, /* FMD_TYPE_STRING */ 767c478bd9Sstevel@tonic-gate &fmd_conf_time, /* FMD_TYPE_TIME */ 777c478bd9Sstevel@tonic-gate &fmd_conf_size, /* FMD_TYPE_SIZE */ 787c478bd9Sstevel@tonic-gate }; 797c478bd9Sstevel@tonic-gate 8080ab886dSwesolows static void fmd_api_verror(fmd_module_t *, int, const char *, va_list) 8180ab886dSwesolows __NORETURN; 8280ab886dSwesolows static void fmd_api_error(fmd_module_t *, int, const char *, ...) __NORETURN; 8380ab886dSwesolows 847c478bd9Sstevel@tonic-gate /* 857c478bd9Sstevel@tonic-gate * fmd_api_vxerror() provides the engine underlying the fmd_hdl_[v]error() API 867c478bd9Sstevel@tonic-gate * calls and the fmd_api_[v]error() utility routine defined below. The routine 877c478bd9Sstevel@tonic-gate * formats the error, optionally associated with a particular errno code 'err', 887c478bd9Sstevel@tonic-gate * and logs it as an ereport associated with the calling module. Depending on 897c478bd9Sstevel@tonic-gate * other optional properties, we also emit a message to stderr and to syslog. 907c478bd9Sstevel@tonic-gate */ 917c478bd9Sstevel@tonic-gate static void 927c478bd9Sstevel@tonic-gate fmd_api_vxerror(fmd_module_t *mp, int err, const char *format, va_list ap) 937c478bd9Sstevel@tonic-gate { 94d9638e54Smws int raw_err = err; 957c478bd9Sstevel@tonic-gate nvlist_t *nvl; 967c478bd9Sstevel@tonic-gate fmd_event_t *e; 977c478bd9Sstevel@tonic-gate char *class, *msg; 987c478bd9Sstevel@tonic-gate size_t len1, len2; 997c478bd9Sstevel@tonic-gate char c; 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /* 1027c478bd9Sstevel@tonic-gate * fmd_api_vxerror() counts as both an error of class EFMD_MODULE 1037c478bd9Sstevel@tonic-gate * as well as an instance of 'err' w.r.t. our internal bean counters. 1047c478bd9Sstevel@tonic-gate */ 1057c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&fmd.d_err_lock); 1067c478bd9Sstevel@tonic-gate fmd.d_errstats[EFMD_MODULE - EFMD_UNKNOWN].fmds_value.ui64++; 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate if (err > EFMD_UNKNOWN && err < EFMD_END) 1097c478bd9Sstevel@tonic-gate fmd.d_errstats[err - EFMD_UNKNOWN].fmds_value.ui64++; 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&fmd.d_err_lock); 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate /* 1147c478bd9Sstevel@tonic-gate * Format the message using vsnprintf(). As usual, if the format has a 1157c478bd9Sstevel@tonic-gate * newline in it, it is printed alone; otherwise strerror() is added. 1167c478bd9Sstevel@tonic-gate */ 1177c478bd9Sstevel@tonic-gate if (strchr(format, '\n') != NULL) 1187c478bd9Sstevel@tonic-gate err = 0; /* err is not relevant in the message */ 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate len1 = vsnprintf(&c, 1, format, ap); 1217c478bd9Sstevel@tonic-gate len2 = err != 0 ? snprintf(&c, 1, ": %s\n", fmd_strerror(err)) : 0; 1227c478bd9Sstevel@tonic-gate 1237c478bd9Sstevel@tonic-gate msg = fmd_alloc(len1 + len2 + 1, FMD_SLEEP); 1247c478bd9Sstevel@tonic-gate (void) vsnprintf(msg, len1 + 1, format, ap); 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate if (err != 0) { 1277c478bd9Sstevel@tonic-gate (void) snprintf(&msg[len1], len2 + 1, 1287c478bd9Sstevel@tonic-gate ": %s\n", fmd_strerror(err)); 1297c478bd9Sstevel@tonic-gate } 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate /* 1327c478bd9Sstevel@tonic-gate * Create an error event corresponding to the error, insert it into the 1337c478bd9Sstevel@tonic-gate * error log, and dispatch it to the fmd-self-diagnosis engine. 1347c478bd9Sstevel@tonic-gate */ 135d9638e54Smws if (mp != fmd.d_self && (raw_err != EFMD_HDL_ABORT || fmd.d_running)) { 1367c478bd9Sstevel@tonic-gate if ((c = msg[len1 + len2 - 1]) == '\n') 1377c478bd9Sstevel@tonic-gate msg[len1 + len2 - 1] = '\0'; /* strip \n for event */ 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate nvl = fmd_protocol_moderror(mp, err, msg); 1407c478bd9Sstevel@tonic-gate 1417c478bd9Sstevel@tonic-gate if (c == '\n') 1427c478bd9Sstevel@tonic-gate msg[len1 + len2 - 1] = c; 1437c478bd9Sstevel@tonic-gate 1447c478bd9Sstevel@tonic-gate (void) nvlist_lookup_string(nvl, FM_CLASS, &class); 1457c478bd9Sstevel@tonic-gate e = fmd_event_create(FMD_EVT_PROTOCOL, FMD_HRT_NOW, nvl, class); 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate (void) pthread_rwlock_rdlock(&fmd.d_log_lock); 1487c478bd9Sstevel@tonic-gate fmd_log_append(fmd.d_errlog, e, NULL); 1497c478bd9Sstevel@tonic-gate (void) pthread_rwlock_unlock(&fmd.d_log_lock); 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate fmd_event_transition(e, FMD_EVS_ACCEPTED); 1527c478bd9Sstevel@tonic-gate fmd_event_commit(e); 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate fmd_dispq_dispatch(fmd.d_disp, e, class); 1557c478bd9Sstevel@tonic-gate } 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* 1587c478bd9Sstevel@tonic-gate * Similar to fmd_vdebug(), if the debugging switches are enabled we 1597c478bd9Sstevel@tonic-gate * echo the module name and message to stderr and/or syslog. Unlike 1607c478bd9Sstevel@tonic-gate * fmd_vdebug(), we also print to stderr if foreground mode is enabled. 161d9638e54Smws * We also print the message if a built-in module is aborting before 162d9638e54Smws * fmd has detached from its parent (e.g. default transport failure). 1637c478bd9Sstevel@tonic-gate */ 164d9638e54Smws if (fmd.d_fg || (fmd.d_hdl_dbout & FMD_DBOUT_STDERR) || ( 165d9638e54Smws raw_err == EFMD_HDL_ABORT && !fmd.d_running)) { 1667c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&fmd.d_err_lock); 1677c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: %s: %s", 1687c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 1697c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&fmd.d_err_lock); 1707c478bd9Sstevel@tonic-gate } 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate if (fmd.d_hdl_dbout & FMD_DBOUT_SYSLOG) { 1737c478bd9Sstevel@tonic-gate syslog(LOG_ERR | LOG_DAEMON, "%s ERROR: %s: %s", 1747c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate fmd_free(msg, len1 + len2 + 1); 1787c478bd9Sstevel@tonic-gate } 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate /*PRINTFLIKE3*/ 1817c478bd9Sstevel@tonic-gate static void 1827c478bd9Sstevel@tonic-gate fmd_api_xerror(fmd_module_t *mp, int err, const char *format, ...) 1837c478bd9Sstevel@tonic-gate { 1847c478bd9Sstevel@tonic-gate va_list ap; 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate va_start(ap, format); 1877c478bd9Sstevel@tonic-gate fmd_api_vxerror(mp, err, format, ap); 1887c478bd9Sstevel@tonic-gate va_end(ap); 1897c478bd9Sstevel@tonic-gate } 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate /* 1927c478bd9Sstevel@tonic-gate * fmd_api_verror() is a wrapper around fmd_api_vxerror() for API subroutines. 1937c478bd9Sstevel@tonic-gate * It calls fmd_module_unlock() on behalf of its caller, logs the error, and 1947c478bd9Sstevel@tonic-gate * then aborts the API call and the surrounding module entry point by doing an 1957c478bd9Sstevel@tonic-gate * fmd_module_abort(), which longjmps to the place where we entered the module. 1967c478bd9Sstevel@tonic-gate */ 1977c478bd9Sstevel@tonic-gate static void 1987c478bd9Sstevel@tonic-gate fmd_api_verror(fmd_module_t *mp, int err, const char *format, va_list ap) 1997c478bd9Sstevel@tonic-gate { 2007c478bd9Sstevel@tonic-gate if (fmd_module_locked(mp)) 2017c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate fmd_api_vxerror(mp, err, format, ap); 2047c478bd9Sstevel@tonic-gate fmd_module_abort(mp, err); 2057c478bd9Sstevel@tonic-gate } 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate /*PRINTFLIKE3*/ 2087c478bd9Sstevel@tonic-gate static void 2097c478bd9Sstevel@tonic-gate fmd_api_error(fmd_module_t *mp, int err, const char *format, ...) 2107c478bd9Sstevel@tonic-gate { 2117c478bd9Sstevel@tonic-gate va_list ap; 2127c478bd9Sstevel@tonic-gate 2137c478bd9Sstevel@tonic-gate va_start(ap, format); 2147c478bd9Sstevel@tonic-gate fmd_api_verror(mp, err, format, ap); 2157c478bd9Sstevel@tonic-gate va_end(ap); 2167c478bd9Sstevel@tonic-gate } 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* 219d9638e54Smws * Common code for fmd_api_module_lock() and fmd_api_transport_impl(). This 220d9638e54Smws * code verifies that the handle is valid and associated with a proper thread. 2217c478bd9Sstevel@tonic-gate */ 2227c478bd9Sstevel@tonic-gate static fmd_module_t * 223d9638e54Smws fmd_api_module(fmd_hdl_t *hdl) 2247c478bd9Sstevel@tonic-gate { 2257c478bd9Sstevel@tonic-gate fmd_thread_t *tp; 2267c478bd9Sstevel@tonic-gate fmd_module_t *mp; 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate /* 2297c478bd9Sstevel@tonic-gate * If our TSD is not present at all, this is either a serious bug or 2307c478bd9Sstevel@tonic-gate * someone has created a thread behind our back and is using fmd's API. 2317c478bd9Sstevel@tonic-gate * We can't call fmd_api_error() because we can't be sure that we can 2327c478bd9Sstevel@tonic-gate * unwind our state back to an enclosing fmd_module_dispatch(), so we 2337c478bd9Sstevel@tonic-gate * must panic instead. This is likely a module design or coding error. 2347c478bd9Sstevel@tonic-gate */ 2357c478bd9Sstevel@tonic-gate if ((tp = pthread_getspecific(fmd.d_key)) == NULL) { 2367c478bd9Sstevel@tonic-gate fmd_panic("fmd module api call made using " 2377c478bd9Sstevel@tonic-gate "client handle %p from unknown thread\n", (void *)hdl); 2387c478bd9Sstevel@tonic-gate } 2397c478bd9Sstevel@tonic-gate 240d9638e54Smws /* 241d9638e54Smws * If our TSD refers to the root module and is a door server thread, 242d9638e54Smws * then it was created asynchronously at the request of a module but 243d9638e54Smws * is using now the module API as an auxiliary module thread. We reset 244d9638e54Smws * tp->thr_mod to the module handle so it can act as a module thread. 245d9638e54Smws */ 246d9638e54Smws if (tp->thr_mod == fmd.d_rmod && tp->thr_func == &fmd_door_server) 247d9638e54Smws tp->thr_mod = (fmd_module_t *)hdl; 248d9638e54Smws 2497c478bd9Sstevel@tonic-gate if ((mp = tp->thr_mod) != (fmd_module_t *)hdl) { 2507c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_HDL_INVAL, 2517c478bd9Sstevel@tonic-gate "client handle %p is not valid\n", (void *)hdl); 2527c478bd9Sstevel@tonic-gate } 2537c478bd9Sstevel@tonic-gate 2547c478bd9Sstevel@tonic-gate if (mp->mod_flags & FMD_MOD_FAIL) { 2557c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_MOD_FAIL, 2567c478bd9Sstevel@tonic-gate "module has experienced an unrecoverable error\n"); 2577c478bd9Sstevel@tonic-gate } 2587c478bd9Sstevel@tonic-gate 259d9638e54Smws return (mp); 260d9638e54Smws } 261d9638e54Smws 262d9638e54Smws /* 263d9638e54Smws * fmd_api_module_lock() is used as a wrapper around fmd_module_lock() and a 264d9638e54Smws * common prologue to each fmd_api.c routine. It verifies that the handle is 265d9638e54Smws * valid and owned by the current server thread, locks the handle, and then 266d9638e54Smws * verifies that the caller is performing an operation on a registered handle. 267d9638e54Smws * If any tests fail, the entire API call is aborted by fmd_api_error(). 268d9638e54Smws */ 269d9638e54Smws static fmd_module_t * 270d9638e54Smws fmd_api_module_lock(fmd_hdl_t *hdl) 271d9638e54Smws { 272d9638e54Smws fmd_module_t *mp = fmd_api_module(hdl); 273d9638e54Smws 2747c478bd9Sstevel@tonic-gate fmd_module_lock(mp); 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate if (mp->mod_info == NULL) { 2777c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_HDL_NOTREG, 2787c478bd9Sstevel@tonic-gate "client handle %p has not been registered\n", (void *)hdl); 2797c478bd9Sstevel@tonic-gate } 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate return (mp); 2827c478bd9Sstevel@tonic-gate } 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate /* 2857c478bd9Sstevel@tonic-gate * Utility function for API entry points that accept fmd_case_t's. We cast cp 2867c478bd9Sstevel@tonic-gate * to fmd_case_impl_t and check to make sure the case is owned by the caller. 2877c478bd9Sstevel@tonic-gate */ 2887c478bd9Sstevel@tonic-gate static fmd_case_impl_t * 2897c478bd9Sstevel@tonic-gate fmd_api_case_impl(fmd_module_t *mp, fmd_case_t *cp) 2907c478bd9Sstevel@tonic-gate { 2917c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = (fmd_case_impl_t *)cp; 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate if (cip == NULL || cip->ci_mod != mp) { 2947c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_OWNER, 295d9638e54Smws "case %p is invalid or not owned by caller\n", (void *)cip); 2967c478bd9Sstevel@tonic-gate } 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate return (cip); 2997c478bd9Sstevel@tonic-gate } 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate /* 302d9638e54Smws * Utility function for API entry points that accept fmd_xprt_t's. We cast xp 303d9638e54Smws * to fmd_transport_t and check to make sure the case is owned by the caller. 304d9638e54Smws * Note that we could make this check safer by actually walking mp's transport 305d9638e54Smws * list, but that requires holding the module lock and this routine needs to be 306d9638e54Smws * MT-hot w.r.t. auxiliary module threads. Ultimately any loadable module can 307d9638e54Smws * cause us to crash anyway, so we optimize for scalability over safety here. 308d9638e54Smws */ 309d9638e54Smws static fmd_xprt_impl_t * 310d9638e54Smws fmd_api_transport_impl(fmd_hdl_t *hdl, fmd_xprt_t *xp) 311d9638e54Smws { 312d9638e54Smws fmd_module_t *mp = fmd_api_module(hdl); 313d9638e54Smws fmd_xprt_impl_t *xip = (fmd_xprt_impl_t *)xp; 314d9638e54Smws 315d9638e54Smws if (xip == NULL || xip->xi_queue->eq_mod != mp) { 316d9638e54Smws fmd_api_error(mp, EFMD_XPRT_OWNER, 317d9638e54Smws "xprt %p is invalid or not owned by caller\n", (void *)xp); 318d9638e54Smws } 319d9638e54Smws 320d9638e54Smws return (xip); 321d9638e54Smws } 322d9638e54Smws 323d9638e54Smws /* 3247c478bd9Sstevel@tonic-gate * fmd_hdl_register() is the one function which cannot use fmd_api_error() to 3257c478bd9Sstevel@tonic-gate * report errors, because that routine causes the module to abort. Failure to 3267c478bd9Sstevel@tonic-gate * register is instead handled by having fmd_hdl_register() return an error to 3277c478bd9Sstevel@tonic-gate * the _fmd_init() function and then detecting no registration when it returns. 3287c478bd9Sstevel@tonic-gate * So we use this routine for fmd_hdl_register() error paths instead. 3297c478bd9Sstevel@tonic-gate */ 3307c478bd9Sstevel@tonic-gate static int 3317c478bd9Sstevel@tonic-gate fmd_hdl_register_error(fmd_module_t *mp, int err) 3327c478bd9Sstevel@tonic-gate { 3337c478bd9Sstevel@tonic-gate if (fmd_module_locked(mp)) 3347c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate fmd_api_xerror(mp, err, "failed to register"); 3377c478bd9Sstevel@tonic-gate return (fmd_set_errno(err)); 3387c478bd9Sstevel@tonic-gate } 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate static void 3417c478bd9Sstevel@tonic-gate fmd_hdl_nop(void) 3427c478bd9Sstevel@tonic-gate { 3437c478bd9Sstevel@tonic-gate /* empty function for use with unspecified module entry points */ 3447c478bd9Sstevel@tonic-gate } 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate int 3477c478bd9Sstevel@tonic-gate fmd_hdl_register(fmd_hdl_t *hdl, int version, const fmd_hdl_info_t *mip) 3487c478bd9Sstevel@tonic-gate { 3497c478bd9Sstevel@tonic-gate fmd_thread_t *tp = pthread_getspecific(fmd.d_key); 3507c478bd9Sstevel@tonic-gate fmd_module_t *mp = tp->thr_mod; 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate const fmd_prop_t *prop; 3537c478bd9Sstevel@tonic-gate const fmd_conf_path_t *pap; 3547c478bd9Sstevel@tonic-gate fmd_conf_formal_t *cfp; 355d9638e54Smws fmd_hdl_ops_t ops; 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate const char *conf = NULL; 3587c478bd9Sstevel@tonic-gate char buf[PATH_MAX]; 3597c478bd9Sstevel@tonic-gate int i; 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate if (mp != (fmd_module_t *)hdl) 3627c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_INVAL)); 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate fmd_module_lock(mp); 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate /* 3677c478bd9Sstevel@tonic-gate * First perform some sanity checks on our input. The API version must 3687c478bd9Sstevel@tonic-gate * be supported by FMD and the handle can only be registered once by 3697c478bd9Sstevel@tonic-gate * the module thread to which we assigned this client handle. The info 3707c478bd9Sstevel@tonic-gate * provided for the handle must be valid and have the minimal settings. 3717c478bd9Sstevel@tonic-gate */ 372*24db4641Seschrock if (version > FMD_API_VERSION_4) 3737c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_VER_NEW)); 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate if (version < FMD_API_VERSION_1) 3767c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_VER_OLD)); 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate if (mp->mod_conf != NULL) 3797c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_REG)); 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate if (pthread_self() != mp->mod_thread->thr_tid) 3827c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_TID)); 3837c478bd9Sstevel@tonic-gate 384d9638e54Smws if (mip == NULL || mip->fmdi_desc == NULL || 385d9638e54Smws mip->fmdi_vers == NULL || mip->fmdi_ops == NULL) 3867c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_INFO)); 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate /* 389d9638e54Smws * Copy the module's ops vector into a local variable to account for 390d9638e54Smws * changes in the module ABI. Then if any of the optional entry points 391d9638e54Smws * are NULL, set them to nop so we don't have to check before calling. 392d9638e54Smws */ 393d9638e54Smws bzero(&ops, sizeof (ops)); 394d9638e54Smws 395d9638e54Smws if (version < FMD_API_VERSION_3) 396*24db4641Seschrock bcopy(mip->fmdi_ops, &ops, offsetof(fmd_hdl_ops_t, fmdo_send)); 397*24db4641Seschrock else if (version < FMD_API_VERSION_4) 398*24db4641Seschrock bcopy(mip->fmdi_ops, &ops, 399*24db4641Seschrock offsetof(fmd_hdl_ops_t, fmdo_topo)); 400d9638e54Smws else 401d9638e54Smws bcopy(mip->fmdi_ops, &ops, sizeof (ops)); 402d9638e54Smws 403d9638e54Smws if (ops.fmdo_recv == NULL) 404d9638e54Smws ops.fmdo_recv = (void (*)())fmd_hdl_nop; 405d9638e54Smws if (ops.fmdo_timeout == NULL) 406d9638e54Smws ops.fmdo_timeout = (void (*)())fmd_hdl_nop; 407d9638e54Smws if (ops.fmdo_close == NULL) 408d9638e54Smws ops.fmdo_close = (void (*)())fmd_hdl_nop; 409d9638e54Smws if (ops.fmdo_stats == NULL) 410d9638e54Smws ops.fmdo_stats = (void (*)())fmd_hdl_nop; 411d9638e54Smws if (ops.fmdo_gc == NULL) 412d9638e54Smws ops.fmdo_gc = (void (*)())fmd_hdl_nop; 413d9638e54Smws if (ops.fmdo_send == NULL) 414d9638e54Smws ops.fmdo_send = (int (*)())fmd_hdl_nop; 415*24db4641Seschrock if (ops.fmdo_topo == NULL) 416*24db4641Seschrock ops.fmdo_topo = (void (*)())fmd_hdl_nop; 417d9638e54Smws 418d9638e54Smws /* 4197c478bd9Sstevel@tonic-gate * Make two passes through the property array to initialize the formals 4207c478bd9Sstevel@tonic-gate * to use for processing the module's .conf file. In the first pass, 4217c478bd9Sstevel@tonic-gate * we validate the types and count the number of properties. In the 4227c478bd9Sstevel@tonic-gate * second pass we copy the strings and fill in the appropriate ops. 4237c478bd9Sstevel@tonic-gate */ 4247c478bd9Sstevel@tonic-gate for (prop = mip->fmdi_props, i = 0; prop != NULL && 4257c478bd9Sstevel@tonic-gate prop->fmdp_name != NULL; prop++, i++) { 4267c478bd9Sstevel@tonic-gate if (prop->fmdp_type >= 4277c478bd9Sstevel@tonic-gate sizeof (_fmd_prop_ops) / sizeof (_fmd_prop_ops[0])) { 4287c478bd9Sstevel@tonic-gate fmd_api_xerror(mp, EFMD_HDL_PROP, 4297c478bd9Sstevel@tonic-gate "property %s uses invalid type %u\n", 4307c478bd9Sstevel@tonic-gate prop->fmdp_name, prop->fmdp_type); 4317c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_HDL_PROP)); 4327c478bd9Sstevel@tonic-gate } 4337c478bd9Sstevel@tonic-gate } 4347c478bd9Sstevel@tonic-gate 4357c478bd9Sstevel@tonic-gate mp->mod_argc = i; 4367c478bd9Sstevel@tonic-gate mp->mod_argv = fmd_zalloc(sizeof (fmd_conf_formal_t) * i, FMD_SLEEP); 4377c478bd9Sstevel@tonic-gate 4387c478bd9Sstevel@tonic-gate prop = mip->fmdi_props; 4397c478bd9Sstevel@tonic-gate cfp = mp->mod_argv; 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate for (i = 0; i < mp->mod_argc; i++, prop++, cfp++) { 4427c478bd9Sstevel@tonic-gate cfp->cf_name = fmd_strdup(prop->fmdp_name, FMD_SLEEP); 4437c478bd9Sstevel@tonic-gate cfp->cf_ops = _fmd_prop_ops[prop->fmdp_type]; 4447c478bd9Sstevel@tonic-gate cfp->cf_default = fmd_strdup(prop->fmdp_defv, FMD_SLEEP); 4457c478bd9Sstevel@tonic-gate } 4467c478bd9Sstevel@tonic-gate 4477c478bd9Sstevel@tonic-gate /* 4487c478bd9Sstevel@tonic-gate * If this module came from an on-disk file, compute the name of the 4497c478bd9Sstevel@tonic-gate * corresponding .conf file and parse properties from it if it exists. 4507c478bd9Sstevel@tonic-gate */ 4517c478bd9Sstevel@tonic-gate if (mp->mod_path != NULL) { 4527c478bd9Sstevel@tonic-gate (void) strlcpy(buf, mp->mod_path, sizeof (buf)); 4537c478bd9Sstevel@tonic-gate (void) fmd_strdirname(buf); 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate (void) strlcat(buf, "/", sizeof (buf)); 4567c478bd9Sstevel@tonic-gate (void) strlcat(buf, mp->mod_name, sizeof (buf)); 4577c478bd9Sstevel@tonic-gate (void) strlcat(buf, ".conf", sizeof (buf)); 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate if (access(buf, F_OK) == 0) 4607c478bd9Sstevel@tonic-gate conf = buf; 4617c478bd9Sstevel@tonic-gate } 4627c478bd9Sstevel@tonic-gate 4637c478bd9Sstevel@tonic-gate if ((mp->mod_conf = fmd_conf_open(conf, 464d9638e54Smws mp->mod_argc, mp->mod_argv, 0)) == NULL) 4657c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_MOD_CONF)); 4667c478bd9Sstevel@tonic-gate 467d9638e54Smws fmd_conf_propagate(fmd.d_conf, mp->mod_conf, mp->mod_name); 468d9638e54Smws 4697c478bd9Sstevel@tonic-gate /* 4707c478bd9Sstevel@tonic-gate * Look up the list of the libdiagcode dictionaries associated with the 4717c478bd9Sstevel@tonic-gate * module. If none were specified, use the value from daemon's config. 4727c478bd9Sstevel@tonic-gate * We only fail if the module specified an explicit dictionary. 4737c478bd9Sstevel@tonic-gate */ 4747c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_DICTIONARIES, &pap); 4757c478bd9Sstevel@tonic-gate if (pap->cpa_argc == 0 && mp->mod_ops == &fmd_bltin_ops) 4767c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(fmd.d_conf, "self.dict", &pap); 4777c478bd9Sstevel@tonic-gate 4787c478bd9Sstevel@tonic-gate for (i = 0; i < pap->cpa_argc; i++) { 4797c478bd9Sstevel@tonic-gate if (fmd_module_dc_opendict(mp, pap->cpa_argv[i]) != 0) { 4807c478bd9Sstevel@tonic-gate fmd_api_xerror(mp, errno, 4817c478bd9Sstevel@tonic-gate "failed to open dictionary %s", pap->cpa_argv[i]); 4827c478bd9Sstevel@tonic-gate return (fmd_hdl_register_error(mp, EFMD_MOD_CONF)); 4837c478bd9Sstevel@tonic-gate } 4847c478bd9Sstevel@tonic-gate } 4857c478bd9Sstevel@tonic-gate 4867c478bd9Sstevel@tonic-gate /* 4877c478bd9Sstevel@tonic-gate * Make a copy of the handle information and store it in mod_info. We 4887c478bd9Sstevel@tonic-gate * do not need to bother copying fmdi_props since they're already read. 4897c478bd9Sstevel@tonic-gate */ 4907c478bd9Sstevel@tonic-gate mp->mod_info = fmd_alloc(sizeof (fmd_hdl_info_t), FMD_SLEEP); 4917c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_desc = fmd_strdup(mip->fmdi_desc, FMD_SLEEP); 4927c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_vers = fmd_strdup(mip->fmdi_vers, FMD_SLEEP); 4937c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_ops = fmd_alloc(sizeof (fmd_hdl_ops_t), FMD_SLEEP); 494d9638e54Smws bcopy(&ops, (void *)mp->mod_info->fmdi_ops, sizeof (fmd_hdl_ops_t)); 4957c478bd9Sstevel@tonic-gate mp->mod_info->fmdi_props = NULL; 4967c478bd9Sstevel@tonic-gate 4977c478bd9Sstevel@tonic-gate /* 4987c478bd9Sstevel@tonic-gate * Allocate an FMRI representing this module. We'll use this later 4997c478bd9Sstevel@tonic-gate * if the module decides to publish any events (e.g. list.suspects). 5007c478bd9Sstevel@tonic-gate */ 5017c478bd9Sstevel@tonic-gate mp->mod_fmri = fmd_protocol_fmri_module(mp); 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate /* 5047c478bd9Sstevel@tonic-gate * Any subscriptions specified in the conf file are now stored in the 5057c478bd9Sstevel@tonic-gate * corresponding property. Add all of these to the dispatch queue. 5067c478bd9Sstevel@tonic-gate */ 5077c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_SUBSCRIPTIONS, &pap); 5087c478bd9Sstevel@tonic-gate 509d9638e54Smws for (i = 0; i < pap->cpa_argc; i++) { 510d9638e54Smws fmd_dispq_insert(fmd.d_disp, mp->mod_queue, pap->cpa_argv[i]); 511d9638e54Smws fmd_xprt_subscribe_all(pap->cpa_argv[i]); 512d9638e54Smws } 5137c478bd9Sstevel@tonic-gate 5147c478bd9Sstevel@tonic-gate /* 5157c478bd9Sstevel@tonic-gate * Unlock the module and restore any pre-existing module checkpoint. 5167c478bd9Sstevel@tonic-gate * If the checkpoint is missing or corrupt, we just keep going. 5177c478bd9Sstevel@tonic-gate */ 5187c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 5197c478bd9Sstevel@tonic-gate fmd_ckpt_restore(mp); 5207c478bd9Sstevel@tonic-gate return (0); 5217c478bd9Sstevel@tonic-gate } 5227c478bd9Sstevel@tonic-gate 523d9638e54Smws /* 524d9638e54Smws * If an auxiliary thread exists for the specified module at unregistration 525d9638e54Smws * time, send it an asynchronous cancellation to force it to exit and then 526d9638e54Smws * join with it (we expect this to either succeed quickly or return ESRCH). 527d9638e54Smws * Once this is complete we can destroy the associated fmd_thread_t data. 528d9638e54Smws */ 529d9638e54Smws static void 530d9638e54Smws fmd_module_thrcancel(fmd_idspace_t *ids, id_t id, fmd_module_t *mp) 531d9638e54Smws { 532d9638e54Smws fmd_thread_t *tp = fmd_idspace_getspecific(ids, id); 533d9638e54Smws 534d9638e54Smws fmd_dprintf(FMD_DBG_MOD, "cancelling %s auxiliary thread %u\n", 535d9638e54Smws mp->mod_name, tp->thr_tid); 536d9638e54Smws 537d9638e54Smws ASSERT(tp->thr_tid == id); 538d9638e54Smws (void) pthread_cancel(tp->thr_tid); 539d9638e54Smws (void) pthread_join(tp->thr_tid, NULL); 540d9638e54Smws 541d9638e54Smws fmd_thread_destroy(tp, FMD_THREAD_NOJOIN); 542d9638e54Smws } 543d9638e54Smws 5447c478bd9Sstevel@tonic-gate void 5457c478bd9Sstevel@tonic-gate fmd_module_unregister(fmd_module_t *mp) 5467c478bd9Sstevel@tonic-gate { 5477c478bd9Sstevel@tonic-gate fmd_conf_formal_t *cfp = mp->mod_argv; 5487c478bd9Sstevel@tonic-gate const fmd_conf_path_t *pap; 549d9638e54Smws fmd_case_t *cp; 550d9638e54Smws fmd_xprt_t *xp; 5517c478bd9Sstevel@tonic-gate int i; 5527c478bd9Sstevel@tonic-gate 5537c478bd9Sstevel@tonic-gate TRACE((FMD_DBG_MOD, "unregister %p (%s)", (void *)mp, mp->mod_name)); 5547c478bd9Sstevel@tonic-gate ASSERT(fmd_module_locked(mp)); 5557c478bd9Sstevel@tonic-gate 556d9638e54Smws /* 557d9638e54Smws * If any transports are still open, they have send threads that are 558d9638e54Smws * using the module handle: shut them down and join with these threads. 559d9638e54Smws */ 560d9638e54Smws while ((xp = fmd_list_next(&mp->mod_transports)) != NULL) 561d9638e54Smws fmd_xprt_destroy(xp); 562d9638e54Smws 563d9638e54Smws /* 564d9638e54Smws * If any auxiliary threads exist, they may be using our module handle, 565d9638e54Smws * and therefore could cause a fault as soon as we start destroying it. 566d9638e54Smws * Module writers should clean up any threads before unregistering: we 567d9638e54Smws * forcibly cancel any remaining auxiliary threads before proceeding. 568d9638e54Smws */ 569d9638e54Smws fmd_idspace_apply(mp->mod_threads, 570d9638e54Smws (void (*)())fmd_module_thrcancel, mp); 571d9638e54Smws 57233129b33Sayznaga if (mp->mod_error == 0) 57333129b33Sayznaga fmd_ckpt_save(mp); /* take one more checkpoint if needed */ 57433129b33Sayznaga 575d9638e54Smws /* 576d9638e54Smws * Delete any cases associated with the module (UNSOLVED, SOLVED, or 577d9638e54Smws * CLOSE_WAIT) as if fmdo_close() has finished processing them. 578d9638e54Smws */ 579d9638e54Smws while ((cp = fmd_list_next(&mp->mod_cases)) != NULL) 580d9638e54Smws fmd_case_delete(cp); 581d9638e54Smws 582d9638e54Smws fmd_ustat_delete_references(mp->mod_ustat); 5837c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_SUBSCRIPTIONS, &pap); 5847c478bd9Sstevel@tonic-gate 585d9638e54Smws for (i = 0; i < pap->cpa_argc; i++) { 586d9638e54Smws fmd_xprt_unsubscribe_all(pap->cpa_argv[i]); 587d9638e54Smws fmd_dispq_delete(fmd.d_disp, mp->mod_queue, pap->cpa_argv[i]); 5887c478bd9Sstevel@tonic-gate } 5897c478bd9Sstevel@tonic-gate 5907c478bd9Sstevel@tonic-gate fmd_conf_close(mp->mod_conf); 5917c478bd9Sstevel@tonic-gate mp->mod_conf = NULL; 5927c478bd9Sstevel@tonic-gate 5937c478bd9Sstevel@tonic-gate for (i = 0; i < mp->mod_argc; i++, cfp++) { 5947c478bd9Sstevel@tonic-gate fmd_strfree((char *)cfp->cf_name); 5957c478bd9Sstevel@tonic-gate fmd_strfree((char *)cfp->cf_default); 5967c478bd9Sstevel@tonic-gate } 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate fmd_free(mp->mod_argv, sizeof (fmd_conf_formal_t) * mp->mod_argc); 5997c478bd9Sstevel@tonic-gate mp->mod_argv = NULL; 6007c478bd9Sstevel@tonic-gate mp->mod_argc = 0; 6017c478bd9Sstevel@tonic-gate 6027c478bd9Sstevel@tonic-gate nvlist_free(mp->mod_fmri); 6037c478bd9Sstevel@tonic-gate mp->mod_fmri = NULL; 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate fmd_strfree((char *)mp->mod_info->fmdi_desc); 6067c478bd9Sstevel@tonic-gate fmd_strfree((char *)mp->mod_info->fmdi_vers); 6077c478bd9Sstevel@tonic-gate fmd_free((void *)mp->mod_info->fmdi_ops, sizeof (fmd_hdl_ops_t)); 6087c478bd9Sstevel@tonic-gate fmd_free(mp->mod_info, sizeof (fmd_hdl_info_t)); 6097c478bd9Sstevel@tonic-gate mp->mod_info = NULL; 6107c478bd9Sstevel@tonic-gate 6117c478bd9Sstevel@tonic-gate fmd_eventq_abort(mp->mod_queue); 6127c478bd9Sstevel@tonic-gate } 6137c478bd9Sstevel@tonic-gate 6147c478bd9Sstevel@tonic-gate void 6157c478bd9Sstevel@tonic-gate fmd_hdl_unregister(fmd_hdl_t *hdl) 6167c478bd9Sstevel@tonic-gate { 6177c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6187c478bd9Sstevel@tonic-gate fmd_module_unregister(mp); 6197c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6207c478bd9Sstevel@tonic-gate } 6217c478bd9Sstevel@tonic-gate 6227c478bd9Sstevel@tonic-gate void 6237c478bd9Sstevel@tonic-gate fmd_hdl_subscribe(fmd_hdl_t *hdl, const char *class) 6247c478bd9Sstevel@tonic-gate { 6257c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6267c478bd9Sstevel@tonic-gate 627d9638e54Smws if (fmd_conf_setprop(mp->mod_conf, 628d9638e54Smws FMD_PROP_SUBSCRIPTIONS, class) == 0) { 629d9638e54Smws fmd_dispq_insert(fmd.d_disp, mp->mod_queue, class); 630d9638e54Smws fmd_xprt_subscribe_all(class); 631d9638e54Smws } 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate 636d9638e54Smws 6377c478bd9Sstevel@tonic-gate void 6387c478bd9Sstevel@tonic-gate fmd_hdl_unsubscribe(fmd_hdl_t *hdl, const char *class) 6397c478bd9Sstevel@tonic-gate { 6407c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6417c478bd9Sstevel@tonic-gate 642d9638e54Smws if (fmd_conf_delprop(mp->mod_conf, 643d9638e54Smws FMD_PROP_SUBSCRIPTIONS, class) == 0) { 644d9638e54Smws fmd_xprt_unsubscribe_all(class); 645d9638e54Smws fmd_dispq_delete(fmd.d_disp, mp->mod_queue, class); 646d9638e54Smws } 6477c478bd9Sstevel@tonic-gate 6487c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6497c478bd9Sstevel@tonic-gate fmd_eventq_cancel(mp->mod_queue, FMD_EVT_PROTOCOL, (void *)class); 6507c478bd9Sstevel@tonic-gate } 6517c478bd9Sstevel@tonic-gate 6527c478bd9Sstevel@tonic-gate void 6537c478bd9Sstevel@tonic-gate fmd_hdl_setspecific(fmd_hdl_t *hdl, void *spec) 6547c478bd9Sstevel@tonic-gate { 6557c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6567c478bd9Sstevel@tonic-gate 6577c478bd9Sstevel@tonic-gate mp->mod_spec = spec; 6587c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate void * 6627c478bd9Sstevel@tonic-gate fmd_hdl_getspecific(fmd_hdl_t *hdl) 6637c478bd9Sstevel@tonic-gate { 6647c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6657c478bd9Sstevel@tonic-gate void *spec = mp->mod_spec; 6667c478bd9Sstevel@tonic-gate 6677c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6687c478bd9Sstevel@tonic-gate return (spec); 6697c478bd9Sstevel@tonic-gate } 6707c478bd9Sstevel@tonic-gate 6717c478bd9Sstevel@tonic-gate void 6727c478bd9Sstevel@tonic-gate fmd_hdl_opendict(fmd_hdl_t *hdl, const char *dict) 6737c478bd9Sstevel@tonic-gate { 6747c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 6757c478bd9Sstevel@tonic-gate const fmd_conf_path_t *pap; 6767c478bd9Sstevel@tonic-gate int i; 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate /* 6797c478bd9Sstevel@tonic-gate * Update the dictionary property in order to preserve the list of 6807c478bd9Sstevel@tonic-gate * pathnames and expand any % tokens in the path. Then retrieve the 6817c478bd9Sstevel@tonic-gate * new dictionary names from cpa_argv[] and open them one at a time. 6827c478bd9Sstevel@tonic-gate */ 6837c478bd9Sstevel@tonic-gate (void) fmd_conf_setprop(mp->mod_conf, FMD_PROP_DICTIONARIES, dict); 6847c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, FMD_PROP_DICTIONARIES, &pap); 6857c478bd9Sstevel@tonic-gate 6867c478bd9Sstevel@tonic-gate ASSERT(pap->cpa_argc > mp->mod_dictc); 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate for (i = mp->mod_dictc; i < pap->cpa_argc; i++) { 6897c478bd9Sstevel@tonic-gate if (fmd_module_dc_opendict(mp, pap->cpa_argv[i]) != 0) { 6907c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_MOD_DICT, 6917c478bd9Sstevel@tonic-gate "failed to open dictionary %s for module %s", 6927c478bd9Sstevel@tonic-gate pap->cpa_argv[i], mp->mod_name); 6937c478bd9Sstevel@tonic-gate } 6947c478bd9Sstevel@tonic-gate } 6957c478bd9Sstevel@tonic-gate 6967c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 6977c478bd9Sstevel@tonic-gate } 6987c478bd9Sstevel@tonic-gate 6997aec1d6eScindi topo_hdl_t * 700*24db4641Seschrock fmd_hdl_topo_hold(fmd_hdl_t *hdl, int v) 7017aec1d6eScindi { 7027aec1d6eScindi fmd_module_t *mp = fmd_api_module_lock(hdl); 7037aec1d6eScindi topo_hdl_t *thp; 7047aec1d6eScindi 7057aec1d6eScindi if (v != TOPO_VERSION) { 7067aec1d6eScindi fmd_api_error(mp, EFMD_MOD_TOPO, "libtopo version mismatch: " 7077aec1d6eScindi "fmd version %d != client version %d\n", TOPO_VERSION, v); 7087aec1d6eScindi } 7097aec1d6eScindi 710*24db4641Seschrock thp = fmd_module_topo_hold(mp); 711*24db4641Seschrock ASSERT(thp != NULL); 7120eb822a1Scindi 7137aec1d6eScindi fmd_module_unlock(mp); 7147aec1d6eScindi return (thp); 7157aec1d6eScindi } 7167aec1d6eScindi 717*24db4641Seschrock void 718*24db4641Seschrock fmd_hdl_topo_rele(fmd_hdl_t *hdl, topo_hdl_t *thp) 719*24db4641Seschrock { 720*24db4641Seschrock fmd_module_t *mp = fmd_api_module_lock(hdl); 721*24db4641Seschrock 722*24db4641Seschrock if (fmd_module_topo_rele(mp, thp) != 0) 723*24db4641Seschrock fmd_api_error(mp, EFMD_MOD_TOPO, "failed to release invalid " 724*24db4641Seschrock "topo handle: %p\n", (void *)thp); 725*24db4641Seschrock 726*24db4641Seschrock fmd_module_unlock(mp); 727*24db4641Seschrock } 728*24db4641Seschrock 7297c478bd9Sstevel@tonic-gate void * 7307c478bd9Sstevel@tonic-gate fmd_hdl_alloc(fmd_hdl_t *hdl, size_t size, int flags) 7317c478bd9Sstevel@tonic-gate { 7327c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 7337c478bd9Sstevel@tonic-gate void *data; 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_memlimit.fmds_value.ui64 - 7367c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64 < size) { 7377c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_HDL_NOMEM, "%s's allocation of %lu " 7387c478bd9Sstevel@tonic-gate "bytes exceeds module memory limit (%llu)\n", 7397c478bd9Sstevel@tonic-gate mp->mod_name, (ulong_t)size, (u_longlong_t) 7407c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64); 7417c478bd9Sstevel@tonic-gate } 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate if ((data = fmd_alloc(size, flags)) != NULL) 7447c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64 += size; 7457c478bd9Sstevel@tonic-gate 7467c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 7477c478bd9Sstevel@tonic-gate return (data); 7487c478bd9Sstevel@tonic-gate } 7497c478bd9Sstevel@tonic-gate 7507c478bd9Sstevel@tonic-gate void * 7517c478bd9Sstevel@tonic-gate fmd_hdl_zalloc(fmd_hdl_t *hdl, size_t size, int flags) 7527c478bd9Sstevel@tonic-gate { 7537c478bd9Sstevel@tonic-gate void *data = fmd_hdl_alloc(hdl, size, flags); 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate if (data != NULL) 7567c478bd9Sstevel@tonic-gate bzero(data, size); 7577c478bd9Sstevel@tonic-gate 7587c478bd9Sstevel@tonic-gate return (data); 7597c478bd9Sstevel@tonic-gate } 7607c478bd9Sstevel@tonic-gate 7617c478bd9Sstevel@tonic-gate void 7627c478bd9Sstevel@tonic-gate fmd_hdl_free(fmd_hdl_t *hdl, void *data, size_t size) 7637c478bd9Sstevel@tonic-gate { 7647c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 7657c478bd9Sstevel@tonic-gate 7667c478bd9Sstevel@tonic-gate fmd_free(data, size); 7677c478bd9Sstevel@tonic-gate mp->mod_stats->ms_memtotal.fmds_value.ui64 -= size; 7687c478bd9Sstevel@tonic-gate 7697c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 7707c478bd9Sstevel@tonic-gate } 7717c478bd9Sstevel@tonic-gate 7727c478bd9Sstevel@tonic-gate char * 7737c478bd9Sstevel@tonic-gate fmd_hdl_strdup(fmd_hdl_t *hdl, const char *s, int flags) 7747c478bd9Sstevel@tonic-gate { 7757c478bd9Sstevel@tonic-gate char *p; 7767c478bd9Sstevel@tonic-gate 7777c478bd9Sstevel@tonic-gate if (s != NULL) 7787c478bd9Sstevel@tonic-gate p = fmd_hdl_alloc(hdl, strlen(s) + 1, flags); 7797c478bd9Sstevel@tonic-gate else 7807c478bd9Sstevel@tonic-gate p = NULL; 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate if (p != NULL) 7837c478bd9Sstevel@tonic-gate (void) strcpy(p, s); 7847c478bd9Sstevel@tonic-gate 7857c478bd9Sstevel@tonic-gate return (p); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate void 7897c478bd9Sstevel@tonic-gate fmd_hdl_strfree(fmd_hdl_t *hdl, char *s) 7907c478bd9Sstevel@tonic-gate { 7917c478bd9Sstevel@tonic-gate if (s != NULL) 7927c478bd9Sstevel@tonic-gate fmd_hdl_free(hdl, s, strlen(s) + 1); 7937c478bd9Sstevel@tonic-gate } 7947c478bd9Sstevel@tonic-gate 7957c478bd9Sstevel@tonic-gate void 7967c478bd9Sstevel@tonic-gate fmd_hdl_vabort(fmd_hdl_t *hdl, const char *format, va_list ap) 7977c478bd9Sstevel@tonic-gate { 7987c478bd9Sstevel@tonic-gate fmd_api_verror(fmd_api_module_lock(hdl), EFMD_HDL_ABORT, format, ap); 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 8027c478bd9Sstevel@tonic-gate void 8037c478bd9Sstevel@tonic-gate fmd_hdl_abort(fmd_hdl_t *hdl, const char *format, ...) 8047c478bd9Sstevel@tonic-gate { 8057c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8067c478bd9Sstevel@tonic-gate va_list ap; 8077c478bd9Sstevel@tonic-gate 8087c478bd9Sstevel@tonic-gate va_start(ap, format); 8097c478bd9Sstevel@tonic-gate fmd_api_verror(mp, EFMD_HDL_ABORT, format, ap); 8107c478bd9Sstevel@tonic-gate va_end(ap); 8117c478bd9Sstevel@tonic-gate } 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate void 8147c478bd9Sstevel@tonic-gate fmd_hdl_verror(fmd_hdl_t *hdl, const char *format, va_list ap) 8157c478bd9Sstevel@tonic-gate { 8167c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8177c478bd9Sstevel@tonic-gate fmd_api_vxerror(mp, errno, format, ap); 8187c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate 8217c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 8227c478bd9Sstevel@tonic-gate void 8237c478bd9Sstevel@tonic-gate fmd_hdl_error(fmd_hdl_t *hdl, const char *format, ...) 8247c478bd9Sstevel@tonic-gate { 8257c478bd9Sstevel@tonic-gate va_list ap; 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate va_start(ap, format); 8287c478bd9Sstevel@tonic-gate fmd_hdl_verror(hdl, format, ap); 8297c478bd9Sstevel@tonic-gate va_end(ap); 8307c478bd9Sstevel@tonic-gate } 8317c478bd9Sstevel@tonic-gate 8327c478bd9Sstevel@tonic-gate void 8337c478bd9Sstevel@tonic-gate fmd_hdl_vdebug(fmd_hdl_t *hdl, const char *format, va_list ap) 8347c478bd9Sstevel@tonic-gate { 8357c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8367c478bd9Sstevel@tonic-gate 8377c478bd9Sstevel@tonic-gate char *msg; 8387c478bd9Sstevel@tonic-gate size_t len; 8397c478bd9Sstevel@tonic-gate char c; 8407c478bd9Sstevel@tonic-gate 8417c478bd9Sstevel@tonic-gate if (!(fmd.d_hdl_debug)) { 8427c478bd9Sstevel@tonic-gate mp->mod_stats->ms_debugdrop.fmds_value.ui64++; 8437c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8447c478bd9Sstevel@tonic-gate return; 8457c478bd9Sstevel@tonic-gate } 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate len = vsnprintf(&c, 1, format, ap); 8487c478bd9Sstevel@tonic-gate 8497c478bd9Sstevel@tonic-gate if ((msg = fmd_alloc(len + 2, FMD_NOSLEEP)) == NULL) { 8507c478bd9Sstevel@tonic-gate mp->mod_stats->ms_debugdrop.fmds_value.ui64++; 8517c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8527c478bd9Sstevel@tonic-gate return; 8537c478bd9Sstevel@tonic-gate } 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate (void) vsnprintf(msg, len + 1, format, ap); 8567c478bd9Sstevel@tonic-gate 8577c478bd9Sstevel@tonic-gate if (msg[len - 1] != '\n') 8587c478bd9Sstevel@tonic-gate (void) strcpy(&msg[len], "\n"); 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate if (fmd.d_hdl_dbout & FMD_DBOUT_STDERR) { 8617c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&fmd.d_err_lock); 8627c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s DEBUG: %s: %s", 8637c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 8647c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&fmd.d_err_lock); 8657c478bd9Sstevel@tonic-gate } 8667c478bd9Sstevel@tonic-gate 8677c478bd9Sstevel@tonic-gate if (fmd.d_hdl_dbout & FMD_DBOUT_SYSLOG) { 8687c478bd9Sstevel@tonic-gate syslog(LOG_DEBUG | LOG_DAEMON, "%s DEBUG: %s: %s", 8697c478bd9Sstevel@tonic-gate fmd.d_pname, mp->mod_name, msg); 8707c478bd9Sstevel@tonic-gate } 8717c478bd9Sstevel@tonic-gate 8727c478bd9Sstevel@tonic-gate fmd_free(msg, len + 2); 8737c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 8777c478bd9Sstevel@tonic-gate void 8787c478bd9Sstevel@tonic-gate fmd_hdl_debug(fmd_hdl_t *hdl, const char *format, ...) 8797c478bd9Sstevel@tonic-gate { 8807c478bd9Sstevel@tonic-gate va_list ap; 8817c478bd9Sstevel@tonic-gate 8827c478bd9Sstevel@tonic-gate va_start(ap, format); 8837c478bd9Sstevel@tonic-gate fmd_hdl_vdebug(hdl, format, ap); 8847c478bd9Sstevel@tonic-gate va_end(ap); 8857c478bd9Sstevel@tonic-gate } 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate int32_t 8887c478bd9Sstevel@tonic-gate fmd_prop_get_int32(fmd_hdl_t *hdl, const char *name) 8897c478bd9Sstevel@tonic-gate { 8907c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 8917c478bd9Sstevel@tonic-gate const fmd_conf_ops_t *ops = fmd_conf_gettype(mp->mod_conf, name); 8927c478bd9Sstevel@tonic-gate int32_t value = 0; 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate if (ops == &fmd_conf_bool || ops == &fmd_conf_int32 || 8957c478bd9Sstevel@tonic-gate ops == &fmd_conf_uint32) 8967c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, name, &value); 8977c478bd9Sstevel@tonic-gate else if (ops != NULL) { 8987c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_TYPE, 8997c478bd9Sstevel@tonic-gate "property %s is not of int32 type\n", name); 9007c478bd9Sstevel@tonic-gate } else { 9017c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_DEFN, 9027c478bd9Sstevel@tonic-gate "property %s is not defined\n", name); 9037c478bd9Sstevel@tonic-gate } 9047c478bd9Sstevel@tonic-gate 9057c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9067c478bd9Sstevel@tonic-gate return (value); 9077c478bd9Sstevel@tonic-gate } 9087c478bd9Sstevel@tonic-gate 9097c478bd9Sstevel@tonic-gate int64_t 9107c478bd9Sstevel@tonic-gate fmd_prop_get_int64(fmd_hdl_t *hdl, const char *name) 9117c478bd9Sstevel@tonic-gate { 9127c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9137c478bd9Sstevel@tonic-gate const fmd_conf_ops_t *ops = fmd_conf_gettype(mp->mod_conf, name); 9147c478bd9Sstevel@tonic-gate int64_t value = 0; 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate if (ops == &fmd_conf_int64 || ops == &fmd_conf_uint64 || 9177c478bd9Sstevel@tonic-gate ops == &fmd_conf_time || ops == &fmd_conf_size) 9187c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, name, &value); 9197c478bd9Sstevel@tonic-gate else if (ops != NULL) { 9207c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_TYPE, 9217c478bd9Sstevel@tonic-gate "property %s is not of int64 type\n", name); 9227c478bd9Sstevel@tonic-gate } else { 9237c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_PROP_DEFN, 9247c478bd9Sstevel@tonic-gate "property %s is not defined\n", name); 9257c478bd9Sstevel@tonic-gate } 9267c478bd9Sstevel@tonic-gate 9277c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9287c478bd9Sstevel@tonic-gate return (value); 9297c478bd9Sstevel@tonic-gate } 9307c478bd9Sstevel@tonic-gate 9317c478bd9Sstevel@tonic-gate char * 9327c478bd9Sstevel@tonic-gate fmd_prop_get_string(fmd_hdl_t *hdl, const char *name) 9337c478bd9Sstevel@tonic-gate { 9347c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9357c478bd9Sstevel@tonic-gate const fmd_conf_ops_t *ops = fmd_conf_gettype(mp->mod_conf, name); 9367c478bd9Sstevel@tonic-gate char *value = NULL; 9377c478bd9Sstevel@tonic-gate const char *s; 9387c478bd9Sstevel@tonic-gate 9397c478bd9Sstevel@tonic-gate if (ops == &fmd_conf_string) { 9407c478bd9Sstevel@tonic-gate (void) fmd_conf_getprop(mp->mod_conf, name, &s); 9417c478bd9Sstevel@tonic-gate value = fmd_strdup(s, FMD_SLEEP); 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 string 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 void 9557c478bd9Sstevel@tonic-gate fmd_prop_free_string(fmd_hdl_t *hdl, char *s) 9567c478bd9Sstevel@tonic-gate { 9577c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9587c478bd9Sstevel@tonic-gate fmd_strfree(s); 9597c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9607c478bd9Sstevel@tonic-gate } 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate fmd_stat_t * 9637c478bd9Sstevel@tonic-gate fmd_stat_create(fmd_hdl_t *hdl, uint_t flags, uint_t argc, fmd_stat_t *argv) 9647c478bd9Sstevel@tonic-gate { 9657c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9667c478bd9Sstevel@tonic-gate fmd_stat_t *ep, *sp; 9677c478bd9Sstevel@tonic-gate 9687c478bd9Sstevel@tonic-gate if (flags & ~FMD_STAT_ALLOC) { 9697c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_STAT_FLAGS, 9707c478bd9Sstevel@tonic-gate "invalid flags 0x%x passed to fmd_stat_create\n", flags); 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate if ((sp = fmd_ustat_insert(mp->mod_ustat, 9747c478bd9Sstevel@tonic-gate flags | FMD_USTAT_VALIDATE, argc, argv, &ep)) == NULL) { 9757c478bd9Sstevel@tonic-gate fmd_api_error(mp, errno, 9767c478bd9Sstevel@tonic-gate "failed to publish stat '%s'", ep->fmds_name); 9777c478bd9Sstevel@tonic-gate } 9787c478bd9Sstevel@tonic-gate 9797c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9807c478bd9Sstevel@tonic-gate return (sp); 9817c478bd9Sstevel@tonic-gate } 9827c478bd9Sstevel@tonic-gate 9837c478bd9Sstevel@tonic-gate void 9847c478bd9Sstevel@tonic-gate fmd_stat_destroy(fmd_hdl_t *hdl, uint_t argc, fmd_stat_t *argv) 9857c478bd9Sstevel@tonic-gate { 9867c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9877c478bd9Sstevel@tonic-gate fmd_ustat_delete(mp->mod_ustat, argc, argv); 9887c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 9897c478bd9Sstevel@tonic-gate } 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate void 9927c478bd9Sstevel@tonic-gate fmd_stat_setstr(fmd_hdl_t *hdl, fmd_stat_t *sp, const char *s) 9937c478bd9Sstevel@tonic-gate { 9947c478bd9Sstevel@tonic-gate char *str = fmd_strdup(s, FMD_SLEEP); 9957c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate if (sp->fmds_type != FMD_TYPE_STRING) { 9987c478bd9Sstevel@tonic-gate fmd_strfree(str); 9997c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_STAT_TYPE, 10007c478bd9Sstevel@tonic-gate "stat '%s' is not a string\n", sp->fmds_name); 10017c478bd9Sstevel@tonic-gate } 10027c478bd9Sstevel@tonic-gate 10037c478bd9Sstevel@tonic-gate fmd_strfree(sp->fmds_value.str); 10047c478bd9Sstevel@tonic-gate sp->fmds_value.str = str; 10057c478bd9Sstevel@tonic-gate 10067c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate fmd_case_t * 10107c478bd9Sstevel@tonic-gate fmd_case_open(fmd_hdl_t *hdl, void *data) 10117c478bd9Sstevel@tonic-gate { 10127c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10137c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_create(mp, data); 10147c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10157c478bd9Sstevel@tonic-gate return (cp); 10167c478bd9Sstevel@tonic-gate } 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate void 10197c478bd9Sstevel@tonic-gate fmd_case_reset(fmd_hdl_t *hdl, fmd_case_t *cp) 10207c478bd9Sstevel@tonic-gate { 10217c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10227c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate if (cip->ci_state >= FMD_CASE_SOLVED) { 10257c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_STATE, "cannot solve %s: " 10267c478bd9Sstevel@tonic-gate "case is already solved or closed\n", cip->ci_uuid); 10277c478bd9Sstevel@tonic-gate } 10287c478bd9Sstevel@tonic-gate 10297c478bd9Sstevel@tonic-gate fmd_case_reset_suspects(cp); 10307c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10317c478bd9Sstevel@tonic-gate } 10327c478bd9Sstevel@tonic-gate 10337c478bd9Sstevel@tonic-gate void 10347c478bd9Sstevel@tonic-gate fmd_case_solve(fmd_hdl_t *hdl, fmd_case_t *cp) 10357c478bd9Sstevel@tonic-gate { 10367c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10377c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate if (cip->ci_state >= FMD_CASE_SOLVED) { 10407c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_STATE, "cannot solve %s: " 10417c478bd9Sstevel@tonic-gate "case is already solved or closed\n", cip->ci_uuid); 10427c478bd9Sstevel@tonic-gate } 10437c478bd9Sstevel@tonic-gate 1044d9638e54Smws fmd_case_transition(cp, FMD_CASE_SOLVED, FMD_CF_SOLVED); 10457c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10467c478bd9Sstevel@tonic-gate } 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate void 10497c478bd9Sstevel@tonic-gate fmd_case_close(fmd_hdl_t *hdl, fmd_case_t *cp) 10507c478bd9Sstevel@tonic-gate { 10517c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10527c478bd9Sstevel@tonic-gate 10537c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 1054d9638e54Smws fmd_case_transition(cp, FMD_CASE_CLOSE_WAIT, FMD_CF_ISOLATED); 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10577c478bd9Sstevel@tonic-gate } 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate const char * 10607c478bd9Sstevel@tonic-gate fmd_case_uuid(fmd_hdl_t *hdl, fmd_case_t *cp) 10617c478bd9Sstevel@tonic-gate { 10627c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10637c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 10647c478bd9Sstevel@tonic-gate const char *uuid = cip->ci_uuid; 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10677c478bd9Sstevel@tonic-gate return (uuid); 10687c478bd9Sstevel@tonic-gate } 10697c478bd9Sstevel@tonic-gate 10707c478bd9Sstevel@tonic-gate fmd_case_t * 10717c478bd9Sstevel@tonic-gate fmd_case_uulookup(fmd_hdl_t *hdl, const char *uuid) 10727c478bd9Sstevel@tonic-gate { 10737c478bd9Sstevel@tonic-gate fmd_module_t *cmp, *mp = fmd_api_module_lock(hdl); 10747c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_hash_lookup(fmd.d_cases, uuid); 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate if (cp != NULL) { 10777c478bd9Sstevel@tonic-gate cmp = ((fmd_case_impl_t *)cp)->ci_mod; 10787c478bd9Sstevel@tonic-gate fmd_case_rele(cp); 10797c478bd9Sstevel@tonic-gate } else 10807c478bd9Sstevel@tonic-gate cmp = NULL; 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10837c478bd9Sstevel@tonic-gate return (cmp == mp ? cp : NULL); 10847c478bd9Sstevel@tonic-gate } 10857c478bd9Sstevel@tonic-gate 10867c478bd9Sstevel@tonic-gate void 10877c478bd9Sstevel@tonic-gate fmd_case_uuclose(fmd_hdl_t *hdl, const char *uuid) 10887c478bd9Sstevel@tonic-gate { 10897c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 10907c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_hash_lookup(fmd.d_cases, uuid); 10917c478bd9Sstevel@tonic-gate 1092d9638e54Smws if (cp != NULL) { 1093d9638e54Smws fmd_case_transition(cp, FMD_CASE_CLOSE_WAIT, FMD_CF_ISOLATED); 10947c478bd9Sstevel@tonic-gate fmd_case_rele(cp); 1095d9638e54Smws } 1096d9638e54Smws 10977c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 10987c478bd9Sstevel@tonic-gate } 10997c478bd9Sstevel@tonic-gate 11007c478bd9Sstevel@tonic-gate int 11017c478bd9Sstevel@tonic-gate fmd_case_uuclosed(fmd_hdl_t *hdl, const char *uuid) 11027c478bd9Sstevel@tonic-gate { 11037c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11047c478bd9Sstevel@tonic-gate fmd_case_t *cp = fmd_case_hash_lookup(fmd.d_cases, uuid); 11057c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = (fmd_case_impl_t *)cp; 11067c478bd9Sstevel@tonic-gate int rv = FMD_B_TRUE; 11077c478bd9Sstevel@tonic-gate 11087c478bd9Sstevel@tonic-gate if (cip != NULL) { 1109d9638e54Smws rv = cip->ci_state >= FMD_CASE_CLOSE_WAIT; 11107c478bd9Sstevel@tonic-gate fmd_case_rele(cp); 11117c478bd9Sstevel@tonic-gate } 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11147c478bd9Sstevel@tonic-gate return (rv); 11157c478bd9Sstevel@tonic-gate } 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate static int 11187c478bd9Sstevel@tonic-gate fmd_case_instate(fmd_hdl_t *hdl, fmd_case_t *cp, uint_t state) 11197c478bd9Sstevel@tonic-gate { 11207c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11217c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 11227c478bd9Sstevel@tonic-gate int rv = cip->ci_state >= state; 11237c478bd9Sstevel@tonic-gate 11247c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11257c478bd9Sstevel@tonic-gate return (rv); 11267c478bd9Sstevel@tonic-gate } 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate int 11297c478bd9Sstevel@tonic-gate fmd_case_solved(fmd_hdl_t *hdl, fmd_case_t *cp) 11307c478bd9Sstevel@tonic-gate { 11317c478bd9Sstevel@tonic-gate return (fmd_case_instate(hdl, cp, FMD_CASE_SOLVED)); 11327c478bd9Sstevel@tonic-gate } 11337c478bd9Sstevel@tonic-gate 11347c478bd9Sstevel@tonic-gate int 11357c478bd9Sstevel@tonic-gate fmd_case_closed(fmd_hdl_t *hdl, fmd_case_t *cp) 11367c478bd9Sstevel@tonic-gate { 1137d9638e54Smws return (fmd_case_instate(hdl, cp, FMD_CASE_CLOSE_WAIT)); 11387c478bd9Sstevel@tonic-gate } 11397c478bd9Sstevel@tonic-gate 11407c478bd9Sstevel@tonic-gate void 11417c478bd9Sstevel@tonic-gate fmd_case_add_ereport(fmd_hdl_t *hdl, fmd_case_t *cp, fmd_event_t *ep) 11427c478bd9Sstevel@tonic-gate { 11437c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11447c478bd9Sstevel@tonic-gate 11457c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 11467aec1d6eScindi 11477aec1d6eScindi if (fmd_case_insert_event(cp, ep)) 11487c478bd9Sstevel@tonic-gate mp->mod_stats->ms_accepted.fmds_value.ui64++; 11497c478bd9Sstevel@tonic-gate 11507c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11517c478bd9Sstevel@tonic-gate } 11527c478bd9Sstevel@tonic-gate 11537c478bd9Sstevel@tonic-gate void 11547c478bd9Sstevel@tonic-gate fmd_case_add_serd(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name) 11557c478bd9Sstevel@tonic-gate { 11567c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11577c478bd9Sstevel@tonic-gate fmd_serd_elem_t *sep; 11587c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 11597c478bd9Sstevel@tonic-gate 11607c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 11617c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 11627c478bd9Sstevel@tonic-gate "failed to add events from serd engine '%s'", name); 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate 11657c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 11667c478bd9Sstevel@tonic-gate 11677c478bd9Sstevel@tonic-gate for (sep = fmd_list_next(&sgp->sg_list); 11687aec1d6eScindi sep != NULL; sep = fmd_list_next(sep)) { 11697aec1d6eScindi if (fmd_case_insert_event(cp, sep->se_event)) 11707aec1d6eScindi mp->mod_stats->ms_accepted.fmds_value.ui64++; 11717aec1d6eScindi } 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_suspect(fmd_hdl_t *hdl, fmd_case_t *cp, nvlist_t *nvl) 11787c478bd9Sstevel@tonic-gate { 11797c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 11807c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 11817c478bd9Sstevel@tonic-gate char *class; 11827c478bd9Sstevel@tonic-gate 11837c478bd9Sstevel@tonic-gate if (cip->ci_state >= FMD_CASE_SOLVED) { 11847c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_STATE, "cannot add suspect to " 11857c478bd9Sstevel@tonic-gate "%s: case is already solved or closed\n", cip->ci_uuid); 11867c478bd9Sstevel@tonic-gate } 11877c478bd9Sstevel@tonic-gate 11887c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(nvl, FM_CLASS, &class) != 0 || 11897c478bd9Sstevel@tonic-gate class == NULL || *class == '\0') { 11907c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_CASE_EVENT, "cannot add suspect to " 11917c478bd9Sstevel@tonic-gate "%s: suspect event is missing a class\n", cip->ci_uuid); 11927c478bd9Sstevel@tonic-gate } 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate fmd_case_insert_suspect(cp, nvl); 11957c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 11967c478bd9Sstevel@tonic-gate } 11977c478bd9Sstevel@tonic-gate 11987c478bd9Sstevel@tonic-gate void 11997c478bd9Sstevel@tonic-gate fmd_case_setspecific(fmd_hdl_t *hdl, fmd_case_t *cp, void *data) 12007c478bd9Sstevel@tonic-gate { 12017c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12027c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 12037c478bd9Sstevel@tonic-gate 12047c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&cip->ci_lock); 12057c478bd9Sstevel@tonic-gate cip->ci_data = data; 12067c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&cip->ci_lock); 12077c478bd9Sstevel@tonic-gate 12087c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12097c478bd9Sstevel@tonic-gate } 12107c478bd9Sstevel@tonic-gate 12117c478bd9Sstevel@tonic-gate void * 12127c478bd9Sstevel@tonic-gate fmd_case_getspecific(fmd_hdl_t *hdl, fmd_case_t *cp) 12137c478bd9Sstevel@tonic-gate { 12147c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12157c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 12167c478bd9Sstevel@tonic-gate void *data; 12177c478bd9Sstevel@tonic-gate 12187c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&cip->ci_lock); 12197c478bd9Sstevel@tonic-gate data = cip->ci_data; 12207c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&cip->ci_lock); 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12237c478bd9Sstevel@tonic-gate return (data); 12247c478bd9Sstevel@tonic-gate } 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate void 12277c478bd9Sstevel@tonic-gate fmd_case_setprincipal(fmd_hdl_t *hdl, fmd_case_t *cp, fmd_event_t *ep) 12287c478bd9Sstevel@tonic-gate { 12297c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12307c478bd9Sstevel@tonic-gate 12317c478bd9Sstevel@tonic-gate (void) fmd_api_case_impl(mp, cp); /* validate 'cp' */ 12327aec1d6eScindi 12337aec1d6eScindi if (fmd_case_insert_principal(cp, ep)) 12347c478bd9Sstevel@tonic-gate mp->mod_stats->ms_accepted.fmds_value.ui64++; 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12377c478bd9Sstevel@tonic-gate } 12387c478bd9Sstevel@tonic-gate 12397c478bd9Sstevel@tonic-gate fmd_event_t * 12407c478bd9Sstevel@tonic-gate fmd_case_getprincipal(fmd_hdl_t *hdl, fmd_case_t *cp) 12417c478bd9Sstevel@tonic-gate { 12427c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12437c478bd9Sstevel@tonic-gate fmd_case_impl_t *cip = fmd_api_case_impl(mp, cp); 12447c478bd9Sstevel@tonic-gate fmd_event_t *ep; 12457c478bd9Sstevel@tonic-gate 12467c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&cip->ci_lock); 12477c478bd9Sstevel@tonic-gate ep = cip->ci_principal; 12487c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&cip->ci_lock); 12497c478bd9Sstevel@tonic-gate 12507c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12517c478bd9Sstevel@tonic-gate return (ep); 12527c478bd9Sstevel@tonic-gate } 12537c478bd9Sstevel@tonic-gate 12547c478bd9Sstevel@tonic-gate fmd_case_t * 12557c478bd9Sstevel@tonic-gate fmd_case_next(fmd_hdl_t *hdl, fmd_case_t *cp) 12567c478bd9Sstevel@tonic-gate { 12577c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12587c478bd9Sstevel@tonic-gate 12597c478bd9Sstevel@tonic-gate if (cp != NULL) 12607c478bd9Sstevel@tonic-gate cp = fmd_list_next(fmd_api_case_impl(mp, cp)); 12617c478bd9Sstevel@tonic-gate else 12627c478bd9Sstevel@tonic-gate cp = fmd_list_next(&mp->mod_cases); 12637c478bd9Sstevel@tonic-gate 12647c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12657c478bd9Sstevel@tonic-gate return (cp); 12667c478bd9Sstevel@tonic-gate } 12677c478bd9Sstevel@tonic-gate 12687c478bd9Sstevel@tonic-gate fmd_case_t * 12697c478bd9Sstevel@tonic-gate fmd_case_prev(fmd_hdl_t *hdl, fmd_case_t *cp) 12707c478bd9Sstevel@tonic-gate { 12717c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12727c478bd9Sstevel@tonic-gate 12737c478bd9Sstevel@tonic-gate if (cp != NULL) 12747c478bd9Sstevel@tonic-gate cp = fmd_list_prev(fmd_api_case_impl(mp, cp)); 12757c478bd9Sstevel@tonic-gate else 12767c478bd9Sstevel@tonic-gate cp = fmd_list_prev(&mp->mod_cases); 12777c478bd9Sstevel@tonic-gate 12787c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 12797c478bd9Sstevel@tonic-gate return (cp); 12807c478bd9Sstevel@tonic-gate } 12817c478bd9Sstevel@tonic-gate 12827c478bd9Sstevel@tonic-gate /* 12837c478bd9Sstevel@tonic-gate * Utility function for fmd_buf_* routines. If a case is specified, use the 12847c478bd9Sstevel@tonic-gate * case's ci_bufs hash; otherwise use the module's global mod_bufs hash. 12857c478bd9Sstevel@tonic-gate */ 12867c478bd9Sstevel@tonic-gate static fmd_buf_hash_t * 12877c478bd9Sstevel@tonic-gate fmd_buf_gethash(fmd_module_t *mp, fmd_case_t *cp) 12887c478bd9Sstevel@tonic-gate { 12897c478bd9Sstevel@tonic-gate return (cp ? &fmd_api_case_impl(mp, cp)->ci_bufs : &mp->mod_bufs); 12907c478bd9Sstevel@tonic-gate } 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate void 12937c478bd9Sstevel@tonic-gate fmd_buf_create(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name, size_t size) 12947c478bd9Sstevel@tonic-gate { 12957c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 12967c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 12977c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(bhp, name); 12987c478bd9Sstevel@tonic-gate 12997c478bd9Sstevel@tonic-gate if (bp == NULL) { 13007c478bd9Sstevel@tonic-gate if (fmd_strbadid(name, FMD_B_TRUE) != NULL || size == 0) { 13017c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_INVAL, "cannot create '%s' " 13027c478bd9Sstevel@tonic-gate "(size %lu): %s\n", name, (ulong_t)size, 13037c478bd9Sstevel@tonic-gate fmd_strerror(EFMD_BUF_INVAL)); 13047c478bd9Sstevel@tonic-gate } 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_buflimit.fmds_value.ui64 - 13077c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 < size) { 13087c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_LIMIT, "cannot create '%s': " 13097c478bd9Sstevel@tonic-gate "buf limit exceeded (%llu)\n", name, (u_longlong_t) 13107c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buflimit.fmds_value.ui64); 13117c478bd9Sstevel@tonic-gate } 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 += size; 13147c478bd9Sstevel@tonic-gate bp = fmd_buf_insert(bhp, name, size); 13157c478bd9Sstevel@tonic-gate 13167c478bd9Sstevel@tonic-gate } else { 13177c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_EXISTS, 13187c478bd9Sstevel@tonic-gate "cannot create '%s': buffer already exists\n", name); 13197c478bd9Sstevel@tonic-gate } 13207c478bd9Sstevel@tonic-gate 13217c478bd9Sstevel@tonic-gate if (cp != NULL) 13227c478bd9Sstevel@tonic-gate fmd_case_setdirty(cp); 13237c478bd9Sstevel@tonic-gate else 13247c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 13257c478bd9Sstevel@tonic-gate 13267c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13277c478bd9Sstevel@tonic-gate } 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate void 13307c478bd9Sstevel@tonic-gate fmd_buf_destroy(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name) 13317c478bd9Sstevel@tonic-gate { 13327c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13337c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 13347c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(bhp, name); 13357c478bd9Sstevel@tonic-gate 13367c478bd9Sstevel@tonic-gate if (bp != NULL) { 13377c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 -= bp->buf_size; 13387c478bd9Sstevel@tonic-gate fmd_buf_delete(bhp, name); 13397c478bd9Sstevel@tonic-gate 13407c478bd9Sstevel@tonic-gate if (cp != NULL) 13417c478bd9Sstevel@tonic-gate fmd_case_setdirty(cp); 13427c478bd9Sstevel@tonic-gate else 13437c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 13447c478bd9Sstevel@tonic-gate } 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13477c478bd9Sstevel@tonic-gate } 13487c478bd9Sstevel@tonic-gate 13497c478bd9Sstevel@tonic-gate void 13507c478bd9Sstevel@tonic-gate fmd_buf_read(fmd_hdl_t *hdl, fmd_case_t *cp, 13517c478bd9Sstevel@tonic-gate const char *name, void *buf, size_t size) 13527c478bd9Sstevel@tonic-gate { 13537c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13547c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(fmd_buf_gethash(mp, cp), name); 13557c478bd9Sstevel@tonic-gate 13567c478bd9Sstevel@tonic-gate if (bp == NULL) { 13577c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_NOENT, "no buf named '%s' is " 13587c478bd9Sstevel@tonic-gate "associated with %s\n", name, cp ? "case" : "module"); 13597c478bd9Sstevel@tonic-gate } 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate bcopy(bp->buf_data, buf, MIN(bp->buf_size, size)); 13627c478bd9Sstevel@tonic-gate if (size > bp->buf_size) 13637c478bd9Sstevel@tonic-gate bzero((char *)buf + bp->buf_size, size - bp->buf_size); 13647c478bd9Sstevel@tonic-gate 13657c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 13667c478bd9Sstevel@tonic-gate } 13677c478bd9Sstevel@tonic-gate 13687c478bd9Sstevel@tonic-gate void 13697c478bd9Sstevel@tonic-gate fmd_buf_write(fmd_hdl_t *hdl, fmd_case_t *cp, 13707c478bd9Sstevel@tonic-gate const char *name, const void *buf, size_t size) 13717c478bd9Sstevel@tonic-gate { 13727c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 13737c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 13747c478bd9Sstevel@tonic-gate fmd_buf_t *bp = fmd_buf_lookup(bhp, name); 13757c478bd9Sstevel@tonic-gate 13767c478bd9Sstevel@tonic-gate if (bp == NULL) { 13777c478bd9Sstevel@tonic-gate if (fmd_strbadid(name, FMD_B_TRUE) != NULL || size == 0) { 13787c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_INVAL, "cannot write '%s' " 13797c478bd9Sstevel@tonic-gate "(size %lu): %s\n", name, (ulong_t)size, 13807c478bd9Sstevel@tonic-gate fmd_strerror(EFMD_BUF_INVAL)); 13817c478bd9Sstevel@tonic-gate } 13827c478bd9Sstevel@tonic-gate 13837c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_buflimit.fmds_value.ui64 - 13847c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 < size) { 13857c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_LIMIT, "cannot write '%s': " 13867c478bd9Sstevel@tonic-gate "buf limit exceeded (%llu)\n", name, (u_longlong_t) 13877c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buflimit.fmds_value.ui64); 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate mp->mod_stats->ms_buftotal.fmds_value.ui64 += size; 13917c478bd9Sstevel@tonic-gate bp = fmd_buf_insert(bhp, name, size); 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate } else if (size > bp->buf_size) { 13947c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_BUF_OFLOW, 13957c478bd9Sstevel@tonic-gate "write to buf '%s' overflows buf size (%lu > %lu)\n", 13967c478bd9Sstevel@tonic-gate name, (ulong_t)size, (ulong_t)bp->buf_size); 13977c478bd9Sstevel@tonic-gate } 13987c478bd9Sstevel@tonic-gate 13997c478bd9Sstevel@tonic-gate bcopy(buf, bp->buf_data, MIN(bp->buf_size, size)); 14007c478bd9Sstevel@tonic-gate bp->buf_flags |= FMD_BUF_DIRTY; 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate if (cp != NULL) 14037c478bd9Sstevel@tonic-gate fmd_case_setdirty(cp); 14047c478bd9Sstevel@tonic-gate else 14057c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14067c478bd9Sstevel@tonic-gate 14077c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate 14107c478bd9Sstevel@tonic-gate size_t 14117c478bd9Sstevel@tonic-gate fmd_buf_size(fmd_hdl_t *hdl, fmd_case_t *cp, const char *name) 14127c478bd9Sstevel@tonic-gate { 14137c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14147c478bd9Sstevel@tonic-gate fmd_buf_hash_t *bhp = fmd_buf_gethash(mp, cp); 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate fmd_buf_t *bp; 14177c478bd9Sstevel@tonic-gate size_t size; 14187c478bd9Sstevel@tonic-gate 14197c478bd9Sstevel@tonic-gate if ((bp = fmd_buf_lookup(bhp, name)) != NULL) 14207c478bd9Sstevel@tonic-gate size = bp->buf_size; 14217c478bd9Sstevel@tonic-gate else 14227c478bd9Sstevel@tonic-gate size = 0; 14237c478bd9Sstevel@tonic-gate 14247c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14257c478bd9Sstevel@tonic-gate return (size); 14267c478bd9Sstevel@tonic-gate } 14277c478bd9Sstevel@tonic-gate 14287c478bd9Sstevel@tonic-gate void 14297c478bd9Sstevel@tonic-gate fmd_serd_create(fmd_hdl_t *hdl, const char *name, uint_t n, hrtime_t t) 14307c478bd9Sstevel@tonic-gate { 14317c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14327c478bd9Sstevel@tonic-gate 14337c478bd9Sstevel@tonic-gate if (fmd_serd_eng_lookup(&mp->mod_serds, name) != NULL) { 14347c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_EXISTS, 14357c478bd9Sstevel@tonic-gate "failed to create serd engine '%s': %s\n", 14367c478bd9Sstevel@tonic-gate name, fmd_strerror(EFMD_SERD_EXISTS)); 14377c478bd9Sstevel@tonic-gate } 14387c478bd9Sstevel@tonic-gate 14397c478bd9Sstevel@tonic-gate (void) fmd_serd_eng_insert(&mp->mod_serds, name, n, t); 14407c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14417c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14427c478bd9Sstevel@tonic-gate } 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate void 14457c478bd9Sstevel@tonic-gate fmd_serd_destroy(fmd_hdl_t *hdl, const char *name) 14467c478bd9Sstevel@tonic-gate { 14477c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14487c478bd9Sstevel@tonic-gate 14497c478bd9Sstevel@tonic-gate fmd_serd_eng_delete(&mp->mod_serds, name); 14507c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14517c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14527c478bd9Sstevel@tonic-gate } 14537c478bd9Sstevel@tonic-gate 14547c478bd9Sstevel@tonic-gate int 14557c478bd9Sstevel@tonic-gate fmd_serd_exists(fmd_hdl_t *hdl, const char *name) 14567c478bd9Sstevel@tonic-gate { 14577c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14587c478bd9Sstevel@tonic-gate int rv = (fmd_serd_eng_lookup(&mp->mod_serds, name) != NULL); 14597c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14607c478bd9Sstevel@tonic-gate 14617c478bd9Sstevel@tonic-gate return (rv); 14627c478bd9Sstevel@tonic-gate } 14637c478bd9Sstevel@tonic-gate 14647c478bd9Sstevel@tonic-gate void 14657c478bd9Sstevel@tonic-gate fmd_serd_reset(fmd_hdl_t *hdl, const char *name) 14667c478bd9Sstevel@tonic-gate { 14677c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14687c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 14697c478bd9Sstevel@tonic-gate 14707c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 14717c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 14727c478bd9Sstevel@tonic-gate "serd engine '%s' does not exist\n", name); 14737c478bd9Sstevel@tonic-gate } 14747c478bd9Sstevel@tonic-gate 14757c478bd9Sstevel@tonic-gate fmd_serd_eng_reset(sgp); 14767c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14777c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14787c478bd9Sstevel@tonic-gate } 14797c478bd9Sstevel@tonic-gate 14807c478bd9Sstevel@tonic-gate int 14817c478bd9Sstevel@tonic-gate fmd_serd_record(fmd_hdl_t *hdl, const char *name, fmd_event_t *ep) 14827c478bd9Sstevel@tonic-gate { 14837c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 14847c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 14857c478bd9Sstevel@tonic-gate int err; 14867c478bd9Sstevel@tonic-gate 14877c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 14887c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 14897c478bd9Sstevel@tonic-gate "failed to add record to serd engine '%s'", name); 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate err = fmd_serd_eng_record(sgp, ep); 14937c478bd9Sstevel@tonic-gate 14947c478bd9Sstevel@tonic-gate if (sgp->sg_flags & FMD_SERD_DIRTY) 14957c478bd9Sstevel@tonic-gate fmd_module_setdirty(mp); 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 14987c478bd9Sstevel@tonic-gate return (err); 14997c478bd9Sstevel@tonic-gate } 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate int 15027c478bd9Sstevel@tonic-gate fmd_serd_fired(fmd_hdl_t *hdl, const char *name) 15037c478bd9Sstevel@tonic-gate { 15047c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15057c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 15067c478bd9Sstevel@tonic-gate int err; 15077c478bd9Sstevel@tonic-gate 15087c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 15097c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 15107c478bd9Sstevel@tonic-gate "serd engine '%s' does not exist\n", name); 15117c478bd9Sstevel@tonic-gate } 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate err = fmd_serd_eng_fired(sgp); 15147c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15157c478bd9Sstevel@tonic-gate return (err); 15167c478bd9Sstevel@tonic-gate } 15177c478bd9Sstevel@tonic-gate 15187c478bd9Sstevel@tonic-gate int 15197c478bd9Sstevel@tonic-gate fmd_serd_empty(fmd_hdl_t *hdl, const char *name) 15207c478bd9Sstevel@tonic-gate { 15217c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15227c478bd9Sstevel@tonic-gate fmd_serd_eng_t *sgp; 15237c478bd9Sstevel@tonic-gate int empty; 15247c478bd9Sstevel@tonic-gate 15257c478bd9Sstevel@tonic-gate if ((sgp = fmd_serd_eng_lookup(&mp->mod_serds, name)) == NULL) { 15267c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_SERD_NAME, 15277c478bd9Sstevel@tonic-gate "serd engine '%s' does not exist\n", name); 15287c478bd9Sstevel@tonic-gate } 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate empty = fmd_serd_eng_empty(sgp); 15317c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15327c478bd9Sstevel@tonic-gate return (empty); 15337c478bd9Sstevel@tonic-gate } 15347c478bd9Sstevel@tonic-gate 15357c478bd9Sstevel@tonic-gate pthread_t 15367c478bd9Sstevel@tonic-gate fmd_thr_create(fmd_hdl_t *hdl, void (*func)(void *), void *arg) 15377c478bd9Sstevel@tonic-gate { 15387c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15397c478bd9Sstevel@tonic-gate fmd_thread_t *tp; 15407c478bd9Sstevel@tonic-gate pthread_t tid; 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate if (mp->mod_stats->ms_thrtotal.fmds_value.ui32 >= 15437c478bd9Sstevel@tonic-gate mp->mod_stats->ms_thrlimit.fmds_value.ui32) { 15447c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_LIMIT, "%s request to create an " 15457c478bd9Sstevel@tonic-gate "auxiliary thread exceeds module thread limit (%u)\n", 15467c478bd9Sstevel@tonic-gate mp->mod_name, mp->mod_stats->ms_thrlimit.fmds_value.ui32); 15477c478bd9Sstevel@tonic-gate } 15487c478bd9Sstevel@tonic-gate 15497c478bd9Sstevel@tonic-gate if ((tp = fmd_thread_create(mp, func, arg)) == NULL) { 15507c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_CREATE, 15517c478bd9Sstevel@tonic-gate "failed to create auxiliary thread"); 15527c478bd9Sstevel@tonic-gate } 15537c478bd9Sstevel@tonic-gate 15547c478bd9Sstevel@tonic-gate tid = tp->thr_tid; 15557c478bd9Sstevel@tonic-gate mp->mod_stats->ms_thrtotal.fmds_value.ui32++; 15567c478bd9Sstevel@tonic-gate (void) fmd_idspace_xalloc(mp->mod_threads, tid, tp); 15577c478bd9Sstevel@tonic-gate 15587c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15597c478bd9Sstevel@tonic-gate return (tid); 15607c478bd9Sstevel@tonic-gate } 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate void 15637c478bd9Sstevel@tonic-gate fmd_thr_destroy(fmd_hdl_t *hdl, pthread_t tid) 15647c478bd9Sstevel@tonic-gate { 15657c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 15667c478bd9Sstevel@tonic-gate fmd_thread_t *tp; 15677c478bd9Sstevel@tonic-gate int err; 15687c478bd9Sstevel@tonic-gate 15697c478bd9Sstevel@tonic-gate if (pthread_self() == tid) { 15707c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_INVAL, "auxiliary thread tried to " 15717c478bd9Sstevel@tonic-gate "destroy itself (tid %u)\n", tid); 15727c478bd9Sstevel@tonic-gate } 15737c478bd9Sstevel@tonic-gate 15747c478bd9Sstevel@tonic-gate if ((tp = fmd_idspace_getspecific(mp->mod_threads, tid)) == NULL) { 15757c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_INVAL, "auxiliary thread tried to " 15767c478bd9Sstevel@tonic-gate "destroy an invalid thread (tid %u)\n", tid); 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate 15797c478bd9Sstevel@tonic-gate /* 15807c478bd9Sstevel@tonic-gate * Wait for the specified thread to exit and then join with it. Since 15817c478bd9Sstevel@tonic-gate * the thread may need to make API calls in order to complete its work 15827c478bd9Sstevel@tonic-gate * we must sleep with the module lock unheld, and then reacquire it. 15837c478bd9Sstevel@tonic-gate */ 15847c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 15857c478bd9Sstevel@tonic-gate err = pthread_join(tid, NULL); 15867c478bd9Sstevel@tonic-gate mp = fmd_api_module_lock(hdl); 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate /* 15897c478bd9Sstevel@tonic-gate * Since pthread_join() was called without the module lock held, if 15907c478bd9Sstevel@tonic-gate * multiple callers attempted to destroy the same auxiliary thread 15917c478bd9Sstevel@tonic-gate * simultaneously, one will succeed and the others will get ESRCH. 15927c478bd9Sstevel@tonic-gate * Therefore we silently ignore ESRCH but only allow the caller who 15937c478bd9Sstevel@tonic-gate * succeessfully joined with the auxiliary thread to destroy it. 15947c478bd9Sstevel@tonic-gate */ 15957c478bd9Sstevel@tonic-gate if (err != 0 && err != ESRCH) { 15967c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_JOIN, 15977c478bd9Sstevel@tonic-gate "failed to join with auxiliary thread %u\n", tid); 15987c478bd9Sstevel@tonic-gate } 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate if (err == 0) { 16017c478bd9Sstevel@tonic-gate fmd_thread_destroy(tp, FMD_THREAD_NOJOIN); 16027c478bd9Sstevel@tonic-gate mp->mod_stats->ms_thrtotal.fmds_value.ui32--; 16037c478bd9Sstevel@tonic-gate (void) fmd_idspace_free(mp->mod_threads, tid); 16047c478bd9Sstevel@tonic-gate } 16057c478bd9Sstevel@tonic-gate 16067c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16077c478bd9Sstevel@tonic-gate } 16087c478bd9Sstevel@tonic-gate 16097c478bd9Sstevel@tonic-gate void 16107c478bd9Sstevel@tonic-gate fmd_thr_signal(fmd_hdl_t *hdl, pthread_t tid) 16117c478bd9Sstevel@tonic-gate { 16127c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16137c478bd9Sstevel@tonic-gate 16147c478bd9Sstevel@tonic-gate if (tid != mp->mod_thread->thr_tid && 16157c478bd9Sstevel@tonic-gate fmd_idspace_getspecific(mp->mod_threads, tid) == NULL) { 16167c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_THR_INVAL, "tid %u is not a valid " 16177c478bd9Sstevel@tonic-gate "thread id for module %s\n", tid, mp->mod_name); 16187c478bd9Sstevel@tonic-gate } 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate (void) pthread_kill(tid, fmd.d_thr_sig); 16217c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16227c478bd9Sstevel@tonic-gate } 16237c478bd9Sstevel@tonic-gate 16247c478bd9Sstevel@tonic-gate id_t 16257c478bd9Sstevel@tonic-gate fmd_timer_install(fmd_hdl_t *hdl, void *arg, fmd_event_t *ep, hrtime_t delta) 16267c478bd9Sstevel@tonic-gate { 16277c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16287c478bd9Sstevel@tonic-gate fmd_modtimer_t *t; 16297c478bd9Sstevel@tonic-gate id_t id; 16307c478bd9Sstevel@tonic-gate 16317c478bd9Sstevel@tonic-gate if (delta < 0) { 16327c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_TIMER_INVAL, 16337c478bd9Sstevel@tonic-gate "timer delta %lld is not a valid interval\n", delta); 16347c478bd9Sstevel@tonic-gate } 16357c478bd9Sstevel@tonic-gate 16367c478bd9Sstevel@tonic-gate t = fmd_alloc(sizeof (fmd_modtimer_t), FMD_SLEEP); 16377c478bd9Sstevel@tonic-gate t->mt_mod = mp; 16387c478bd9Sstevel@tonic-gate t->mt_arg = arg; 16397c478bd9Sstevel@tonic-gate t->mt_id = -1; 16407c478bd9Sstevel@tonic-gate 16417c478bd9Sstevel@tonic-gate if ((id = fmd_timerq_install(fmd.d_timers, mp->mod_timerids, 16427c478bd9Sstevel@tonic-gate (fmd_timer_f *)fmd_module_timeout, t, ep, delta)) == -1) { 16437c478bd9Sstevel@tonic-gate fmd_free(t, sizeof (fmd_modtimer_t)); 16447c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_TIMER_LIMIT, 16457c478bd9Sstevel@tonic-gate "failed to install timer +%lld", delta); 16467c478bd9Sstevel@tonic-gate } 16477c478bd9Sstevel@tonic-gate 16487c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16497c478bd9Sstevel@tonic-gate return (id); 16507c478bd9Sstevel@tonic-gate } 16517c478bd9Sstevel@tonic-gate 16527c478bd9Sstevel@tonic-gate void 16537c478bd9Sstevel@tonic-gate fmd_timer_remove(fmd_hdl_t *hdl, id_t id) 16547c478bd9Sstevel@tonic-gate { 16557c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 16567c478bd9Sstevel@tonic-gate fmd_modtimer_t *t; 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate if (!fmd_idspace_valid(mp->mod_timerids, id)) { 16597c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_TIMER_INVAL, 16607c478bd9Sstevel@tonic-gate "id %ld is not a valid timer id\n", id); 16617c478bd9Sstevel@tonic-gate } 16627c478bd9Sstevel@tonic-gate 16639dd0f810Scindi /* 16649dd0f810Scindi * If the timer has not fired (t != NULL), remove it from the timer 16659dd0f810Scindi * queue. If the timer has fired (t == NULL), we could be in one of 16669dd0f810Scindi * two situations: a) we are processing the timer callback or b) 16679dd0f810Scindi * the timer event is on the module queue awaiting dispatch. For a), 16689dd0f810Scindi * fmd_timerq_remove() will wait for the timer callback function 16699dd0f810Scindi * to complete and queue an event for dispatch. For a) and b), 16709dd0f810Scindi * we cancel the outstanding timer event from the module's dispatch 16719dd0f810Scindi * queue. 16729dd0f810Scindi */ 16739dd0f810Scindi if ((t = fmd_timerq_remove(fmd.d_timers, mp->mod_timerids, id)) != NULL) 16749dd0f810Scindi fmd_free(t, sizeof (fmd_modtimer_t)); 16757c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 16767c478bd9Sstevel@tonic-gate 16779dd0f810Scindi fmd_eventq_cancel(mp->mod_queue, FMD_EVT_TIMEOUT, (void *)id); 16787c478bd9Sstevel@tonic-gate } 16797c478bd9Sstevel@tonic-gate 16807c478bd9Sstevel@tonic-gate nvlist_t * 16817c478bd9Sstevel@tonic-gate fmd_nvl_create_fault(fmd_hdl_t *hdl, const char *class, 16827c478bd9Sstevel@tonic-gate uint8_t certainty, nvlist_t *asru, nvlist_t *fru, nvlist_t *rsrc) 16837c478bd9Sstevel@tonic-gate { 16849dd0f810Scindi fmd_module_t *mp; 16859dd0f810Scindi topo_hdl_t *thp; 16867c478bd9Sstevel@tonic-gate nvlist_t *nvl; 16879dd0f810Scindi char *loc = NULL; 16889dd0f810Scindi int err; 16897c478bd9Sstevel@tonic-gate 16909dd0f810Scindi mp = fmd_api_module_lock(hdl); 16917c478bd9Sstevel@tonic-gate if (class == NULL || class[0] == '\0') 16927c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, "invalid fault class\n"); 16937c478bd9Sstevel@tonic-gate 1694*24db4641Seschrock thp = fmd_module_topo_hold(mp); 1695*24db4641Seschrock 16969dd0f810Scindi /* 16979dd0f810Scindi * Try to find the location label for this resource 16989dd0f810Scindi */ 16999dd0f810Scindi (void) topo_fmri_label(thp, rsrc, &loc, &err); 17009dd0f810Scindi 17019dd0f810Scindi nvl = fmd_protocol_fault(class, certainty, asru, fru, rsrc, loc); 17029dd0f810Scindi 17039dd0f810Scindi if (loc != NULL) 17049dd0f810Scindi topo_hdl_strfree(thp, loc); 17059dd0f810Scindi 1706*24db4641Seschrock err = fmd_module_topo_rele(mp, thp); 1707*24db4641Seschrock ASSERT(err == 0); 1708*24db4641Seschrock 1709*24db4641Seschrock fmd_module_unlock(mp); 1710*24db4641Seschrock 17117c478bd9Sstevel@tonic-gate return (nvl); 17127c478bd9Sstevel@tonic-gate } 17137c478bd9Sstevel@tonic-gate 17147c478bd9Sstevel@tonic-gate int 17157c478bd9Sstevel@tonic-gate fmd_nvl_class_match(fmd_hdl_t *hdl, nvlist_t *nvl, const char *pattern) 17167c478bd9Sstevel@tonic-gate { 17177c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17187c478bd9Sstevel@tonic-gate char *class; 17197c478bd9Sstevel@tonic-gate int rv; 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate rv = (nvl != NULL && nvlist_lookup_string(nvl, 17227c478bd9Sstevel@tonic-gate FM_CLASS, &class) == 0 && fmd_strmatch(class, pattern)); 17237c478bd9Sstevel@tonic-gate 17247c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17257c478bd9Sstevel@tonic-gate return (rv); 17267c478bd9Sstevel@tonic-gate } 17277c478bd9Sstevel@tonic-gate 17287c478bd9Sstevel@tonic-gate int 17297c478bd9Sstevel@tonic-gate fmd_nvl_fmri_expand(fmd_hdl_t *hdl, nvlist_t *nvl) 17307c478bd9Sstevel@tonic-gate { 17317c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17327c478bd9Sstevel@tonic-gate int rv; 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate if (nvl == NULL) { 17357c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 17367c478bd9Sstevel@tonic-gate "invalid nvlist %p\n", (void *)nvl); 17377c478bd9Sstevel@tonic-gate } 17387c478bd9Sstevel@tonic-gate 17397c478bd9Sstevel@tonic-gate rv = fmd_fmri_expand(nvl); 17407c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17417c478bd9Sstevel@tonic-gate return (rv); 17427c478bd9Sstevel@tonic-gate } 17437c478bd9Sstevel@tonic-gate 17447c478bd9Sstevel@tonic-gate int 17457c478bd9Sstevel@tonic-gate fmd_nvl_fmri_present(fmd_hdl_t *hdl, nvlist_t *nvl) 17467c478bd9Sstevel@tonic-gate { 17477c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17487c478bd9Sstevel@tonic-gate int rv; 17497c478bd9Sstevel@tonic-gate 17507c478bd9Sstevel@tonic-gate if (nvl == NULL) { 17517c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 17527c478bd9Sstevel@tonic-gate "invalid nvlist %p\n", (void *)nvl); 17537c478bd9Sstevel@tonic-gate } 17547c478bd9Sstevel@tonic-gate 17557c478bd9Sstevel@tonic-gate rv = fmd_fmri_present(nvl); 17567c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17577c478bd9Sstevel@tonic-gate 17587c478bd9Sstevel@tonic-gate if (rv < 0) { 17597c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_FMRI_OP, "invalid fmri for " 17607c478bd9Sstevel@tonic-gate "fmd_nvl_fmri_present\n"); 17617c478bd9Sstevel@tonic-gate } 17627c478bd9Sstevel@tonic-gate 17637c478bd9Sstevel@tonic-gate return (rv); 17647c478bd9Sstevel@tonic-gate } 17657c478bd9Sstevel@tonic-gate 17667c478bd9Sstevel@tonic-gate int 17677c478bd9Sstevel@tonic-gate fmd_nvl_fmri_unusable(fmd_hdl_t *hdl, nvlist_t *nvl) 17687c478bd9Sstevel@tonic-gate { 17697c478bd9Sstevel@tonic-gate fmd_module_t *mp = fmd_api_module_lock(hdl); 17707c478bd9Sstevel@tonic-gate int rv; 17717c478bd9Sstevel@tonic-gate 17727c478bd9Sstevel@tonic-gate if (nvl == NULL) { 17737c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 17747c478bd9Sstevel@tonic-gate "invalid nvlist %p\n", (void *)nvl); 17757c478bd9Sstevel@tonic-gate } 17767c478bd9Sstevel@tonic-gate 17777c478bd9Sstevel@tonic-gate rv = fmd_fmri_unusable(nvl); 17787c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 17797c478bd9Sstevel@tonic-gate 17807c478bd9Sstevel@tonic-gate if (rv < 0) { 17817c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_FMRI_OP, "invalid fmri for " 17827c478bd9Sstevel@tonic-gate "fmd_nvl_fmri_unusable\n"); 17837c478bd9Sstevel@tonic-gate } 17847c478bd9Sstevel@tonic-gate 17857c478bd9Sstevel@tonic-gate return (rv); 17867c478bd9Sstevel@tonic-gate } 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate int 17897aec1d6eScindi fmd_nvl_fmri_faulty(fmd_hdl_t *hdl, nvlist_t *nvl) 17907aec1d6eScindi { 17917aec1d6eScindi fmd_module_t *mp = fmd_api_module_lock(hdl); 17927aec1d6eScindi fmd_asru_hash_t *ahp = fmd.d_asrus; 17937aec1d6eScindi fmd_asru_t *ap; 17947aec1d6eScindi int rv = 0; 17957aec1d6eScindi 17967aec1d6eScindi if (nvl == NULL) { 17977aec1d6eScindi fmd_api_error(mp, EFMD_NVL_INVAL, 17987aec1d6eScindi "invalid nvlist %p\n", (void *)nvl); 17997aec1d6eScindi } 18007aec1d6eScindi 18017aec1d6eScindi if ((ap = fmd_asru_hash_lookup_nvl(ahp, nvl, FMD_B_FALSE)) != NULL) { 18027aec1d6eScindi rv = (ap->asru_flags & FMD_ASRU_FAULTY) != 0; 18037aec1d6eScindi fmd_asru_hash_release(ahp, ap); 18047aec1d6eScindi } 18057aec1d6eScindi 18067aec1d6eScindi fmd_module_unlock(mp); 18077aec1d6eScindi return (rv); 18087aec1d6eScindi } 18097aec1d6eScindi 18107aec1d6eScindi int 18117c478bd9Sstevel@tonic-gate fmd_nvl_fmri_contains(fmd_hdl_t *hdl, nvlist_t *n1, nvlist_t *n2) 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 (n1 == NULL || n2 == NULL) { 18177c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_NVL_INVAL, 18187c478bd9Sstevel@tonic-gate "invalid nvlist(s): %p, %p\n", (void *)n1, (void *)n2); 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate rv = fmd_fmri_contains(n1, n2); 18227c478bd9Sstevel@tonic-gate fmd_module_unlock(mp); 18237c478bd9Sstevel@tonic-gate 18247c478bd9Sstevel@tonic-gate if (rv < 0) { 18257c478bd9Sstevel@tonic-gate fmd_api_error(mp, EFMD_FMRI_OP, "invalid fmri for " 18267c478bd9Sstevel@tonic-gate "fmd_nvl_fmri_contains\n"); 18277c478bd9Sstevel@tonic-gate } 18287c478bd9Sstevel@tonic-gate 18297c478bd9Sstevel@tonic-gate return (rv); 18307c478bd9Sstevel@tonic-gate } 1831d9638e54Smws 1832d9638e54Smws nvlist_t * 1833d9638e54Smws fmd_nvl_fmri_translate(fmd_hdl_t *hdl, nvlist_t *fmri, nvlist_t *auth) 1834d9638e54Smws { 1835d9638e54Smws fmd_module_t *mp = fmd_api_module_lock(hdl); 1836d9638e54Smws nvlist_t *xfmri; 1837d9638e54Smws 1838d9638e54Smws if (fmri == NULL || auth == NULL) { 1839d9638e54Smws fmd_api_error(mp, EFMD_NVL_INVAL, 1840d9638e54Smws "invalid nvlist(s): %p, %p\n", (void *)fmri, (void *)auth); 1841d9638e54Smws } 1842d9638e54Smws 1843d9638e54Smws xfmri = fmd_fmri_translate(fmri, auth); 1844d9638e54Smws fmd_module_unlock(mp); 1845d9638e54Smws return (xfmri); 1846d9638e54Smws } 1847d9638e54Smws 1848d9638e54Smws int 1849d9638e54Smws fmd_event_local(fmd_hdl_t *hdl, fmd_event_t *ep) 1850d9638e54Smws { 1851d9638e54Smws if (hdl == NULL || ep == NULL) { 1852d9638e54Smws fmd_api_error(fmd_api_module_lock(hdl), EFMD_EVENT_INVAL, 1853d9638e54Smws "NULL parameter specified to fmd_event_local\n"); 1854d9638e54Smws } 1855d9638e54Smws 1856d9638e54Smws return (((fmd_event_impl_t *)ep)->ev_flags & FMD_EVF_LOCAL); 1857d9638e54Smws } 1858d9638e54Smws 1859*24db4641Seschrock /*ARGSUSED*/ 1860*24db4641Seschrock uint64_t 1861*24db4641Seschrock fmd_event_ena_create(fmd_hdl_t *hdl) 1862*24db4641Seschrock { 1863*24db4641Seschrock return (fmd_ena()); 1864*24db4641Seschrock } 1865*24db4641Seschrock 1866d9638e54Smws fmd_xprt_t * 1867d9638e54Smws fmd_xprt_open(fmd_hdl_t *hdl, uint_t flags, nvlist_t *auth, void *data) 1868d9638e54Smws { 1869d9638e54Smws fmd_module_t *mp = fmd_api_module_lock(hdl); 1870d9638e54Smws fmd_xprt_t *xp; 1871d9638e54Smws 1872d9638e54Smws if (flags & ~FMD_XPRT_CMASK) { 1873d9638e54Smws fmd_api_error(mp, EFMD_XPRT_INVAL, 1874d9638e54Smws "invalid transport flags 0x%x\n", flags); 1875d9638e54Smws } 1876d9638e54Smws 1877d9638e54Smws if ((flags & FMD_XPRT_RDWR) != FMD_XPRT_RDWR && 1878d9638e54Smws (flags & FMD_XPRT_RDWR) != FMD_XPRT_RDONLY) { 1879d9638e54Smws fmd_api_error(mp, EFMD_XPRT_INVAL, 1880d9638e54Smws "cannot open write-only transport\n"); 1881d9638e54Smws } 1882d9638e54Smws 1883d9638e54Smws if (mp->mod_stats->ms_xprtopen.fmds_value.ui32 >= 1884d9638e54Smws mp->mod_stats->ms_xprtlimit.fmds_value.ui32) { 1885d9638e54Smws fmd_api_error(mp, EFMD_XPRT_LIMIT, "%s request to create a " 1886d9638e54Smws "transport exceeds module transport limit (%u)\n", 1887d9638e54Smws mp->mod_name, mp->mod_stats->ms_xprtlimit.fmds_value.ui32); 1888d9638e54Smws } 1889d9638e54Smws 1890d9638e54Smws if ((xp = fmd_xprt_create(mp, flags, auth, data)) == NULL) 1891d9638e54Smws fmd_api_error(mp, errno, "cannot create transport"); 1892d9638e54Smws 1893d9638e54Smws fmd_module_unlock(mp); 1894d9638e54Smws return (xp); 1895d9638e54Smws } 1896d9638e54Smws 1897d9638e54Smws void 1898d9638e54Smws fmd_xprt_close(fmd_hdl_t *hdl, fmd_xprt_t *xp) 1899d9638e54Smws { 1900d9638e54Smws fmd_module_t *mp = fmd_api_module_lock(hdl); 1901d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 1902d9638e54Smws 1903d9638e54Smws /* 1904d9638e54Smws * Although this could be supported, it doesn't seem necessary or worth 1905d9638e54Smws * the trouble. For now, just detect this and trigger a module abort. 1906d9638e54Smws * If it is needed, transports should grow reference counts and a new 1907d9638e54Smws * event type will need to be enqueued for the main thread to reap it. 1908d9638e54Smws */ 1909d9638e54Smws if (xip->xi_thread != NULL && 1910d9638e54Smws xip->xi_thread->thr_tid == pthread_self()) { 1911d9638e54Smws fmd_api_error(mp, EFMD_XPRT_INVAL, 1912d9638e54Smws "fmd_xprt_close() cannot be called from fmdo_send()\n"); 1913d9638e54Smws } 1914d9638e54Smws 1915d9638e54Smws fmd_xprt_destroy(xp); 1916d9638e54Smws fmd_module_unlock(mp); 1917d9638e54Smws } 1918d9638e54Smws 1919d9638e54Smws void 1920d9638e54Smws fmd_xprt_post(fmd_hdl_t *hdl, fmd_xprt_t *xp, nvlist_t *nvl, hrtime_t hrt) 1921d9638e54Smws { 1922d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 1923d9638e54Smws 1924d9638e54Smws /* 1925d9638e54Smws * fmd_xprt_recv() must block during startup waiting for fmd to globally 1926d9638e54Smws * clear FMD_XPRT_DSUSPENDED. As such, we can't allow it to be called 1927d9638e54Smws * from a module's _fmd_init() routine, because that would block 1928d9638e54Smws * fmd from completing initial module loading, resulting in a deadlock. 1929d9638e54Smws */ 1930d9638e54Smws if ((xip->xi_flags & FMD_XPRT_ISUSPENDED) && 1931d9638e54Smws (pthread_self() == xip->xi_queue->eq_mod->mod_thread->thr_tid)) { 1932d9638e54Smws fmd_api_error(fmd_api_module_lock(hdl), EFMD_XPRT_INVAL, 1933d9638e54Smws "fmd_xprt_post() cannot be called from _fmd_init()\n"); 1934d9638e54Smws } 1935d9638e54Smws 1936d9638e54Smws fmd_xprt_recv(xp, nvl, hrt); 1937d9638e54Smws } 1938d9638e54Smws 1939d9638e54Smws void 1940d9638e54Smws fmd_xprt_suspend(fmd_hdl_t *hdl, fmd_xprt_t *xp) 1941d9638e54Smws { 1942d9638e54Smws (void) fmd_api_transport_impl(hdl, xp); /* validate 'xp' */ 1943d9638e54Smws fmd_xprt_xsuspend(xp, FMD_XPRT_SUSPENDED); 1944d9638e54Smws } 1945d9638e54Smws 1946d9638e54Smws void 1947d9638e54Smws fmd_xprt_resume(fmd_hdl_t *hdl, fmd_xprt_t *xp) 1948d9638e54Smws { 1949d9638e54Smws (void) fmd_api_transport_impl(hdl, xp); /* validate 'xp' */ 1950d9638e54Smws fmd_xprt_xresume(xp, FMD_XPRT_SUSPENDED); 1951d9638e54Smws } 1952d9638e54Smws 1953d9638e54Smws int 1954d9638e54Smws fmd_xprt_error(fmd_hdl_t *hdl, fmd_xprt_t *xp) 1955d9638e54Smws { 1956d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 1957d9638e54Smws return (xip->xi_state == _fmd_xprt_state_err); 1958d9638e54Smws } 1959d9638e54Smws 1960d9638e54Smws /* 1961d9638e54Smws * Translate all FMRIs in the specified name-value pair list for the specified 1962d9638e54Smws * FMRI authority, and return a new name-value pair list for the translation. 1963d9638e54Smws * This function is the recursive engine used by fmd_xprt_translate(), below. 1964d9638e54Smws */ 1965d9638e54Smws static nvlist_t * 1966d9638e54Smws fmd_xprt_xtranslate(nvlist_t *nvl, nvlist_t *auth) 1967d9638e54Smws { 1968d9638e54Smws uint_t i, j, n; 1969d9638e54Smws nvpair_t *nvp, **nvps; 1970d9638e54Smws uint_t nvpslen = 0; 1971d9638e54Smws char *name; 1972d9638e54Smws size_t namelen = 0; 1973d9638e54Smws 1974d9638e54Smws nvlist_t **a, **b; 1975d9638e54Smws nvlist_t *l, *r; 1976d9638e54Smws data_type_t type; 1977d9638e54Smws char *s; 1978d9638e54Smws int err; 1979d9638e54Smws 1980d9638e54Smws (void) nvlist_xdup(nvl, &nvl, &fmd.d_nva); 1981d9638e54Smws 1982d9638e54Smws /* 1983d9638e54Smws * Count up the number of name-value pairs in 'nvl' and compute the 1984d9638e54Smws * maximum length of a name used in this list for use below. 1985d9638e54Smws */ 1986d9638e54Smws for (nvp = nvlist_next_nvpair(nvl, NULL); 1987d9638e54Smws nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp), nvpslen++) { 1988d9638e54Smws size_t len = strlen(nvpair_name(nvp)); 1989d9638e54Smws namelen = MAX(namelen, len); 1990d9638e54Smws } 1991d9638e54Smws 1992d9638e54Smws nvps = alloca(sizeof (nvpair_t *) * nvpslen); 1993d9638e54Smws name = alloca(namelen + 1); 1994d9638e54Smws 1995d9638e54Smws /* 1996d9638e54Smws * Store a snapshot of the name-value pairs in 'nvl' into nvps[] so 1997d9638e54Smws * that we can iterate over the original pairs in the loop below while 1998d9638e54Smws * performing arbitrary insert and delete operations on 'nvl' itself. 1999d9638e54Smws */ 2000d9638e54Smws for (i = 0, nvp = nvlist_next_nvpair(nvl, NULL); 2001d9638e54Smws nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) 2002d9638e54Smws nvps[i++] = nvp; 2003d9638e54Smws 2004d9638e54Smws /* 2005d9638e54Smws * Now iterate over the snapshot of the name-value pairs. If we find a 2006d9638e54Smws * value that is of type NVLIST or NVLIST_ARRAY, we translate that 2007d9638e54Smws * object by either calling ourself recursively on it, or calling into 2008d9638e54Smws * fmd_fmri_translate() if the object is an FMRI. We then rip out the 2009d9638e54Smws * original name-value pair and replace it with the translated one. 2010d9638e54Smws */ 2011d9638e54Smws for (i = 0; i < nvpslen; i++) { 2012d9638e54Smws nvp = nvps[i]; 2013d9638e54Smws type = nvpair_type(nvp); 2014d9638e54Smws 2015d9638e54Smws switch (type) { 2016d9638e54Smws case DATA_TYPE_NVLIST_ARRAY: 2017d9638e54Smws if (nvpair_value_nvlist_array(nvp, &a, &n) != 0 || 2018d9638e54Smws a == NULL || n == 0) 2019d9638e54Smws continue; /* array is zero-sized; skip it */ 2020d9638e54Smws 2021d9638e54Smws b = fmd_alloc(sizeof (nvlist_t *) * n, FMD_SLEEP); 2022d9638e54Smws 2023d9638e54Smws /* 2024d9638e54Smws * If the first array nvlist element looks like an FMRI 2025d9638e54Smws * then assume the other elements are FMRIs as well. 2026d9638e54Smws * If any b[j]'s can't be translated, then EINVAL will 2027d9638e54Smws * be returned from nvlist_add_nvlist_array() below. 2028d9638e54Smws */ 2029d9638e54Smws if (nvlist_lookup_string(*a, FM_FMRI_SCHEME, &s) == 0) { 2030d9638e54Smws for (j = 0; j < n; j++) 2031d9638e54Smws b[j] = fmd_fmri_translate(a[j], auth); 2032d9638e54Smws } else { 2033d9638e54Smws for (j = 0; j < n; j++) 2034d9638e54Smws b[j] = fmd_xprt_xtranslate(a[j], auth); 2035d9638e54Smws } 2036d9638e54Smws 2037d9638e54Smws (void) strcpy(name, nvpair_name(nvp)); 2038d9638e54Smws (void) nvlist_remove(nvl, name, type); 2039d9638e54Smws err = nvlist_add_nvlist_array(nvl, name, b, n); 2040d9638e54Smws 2041d9638e54Smws for (j = 0; j < n; j++) 2042d9638e54Smws nvlist_free(b[j]); 2043d9638e54Smws 2044d9638e54Smws fmd_free(b, sizeof (nvlist_t *) * n); 2045d9638e54Smws 2046d9638e54Smws if (err != 0) { 2047d9638e54Smws nvlist_free(nvl); 2048d9638e54Smws errno = err; 2049d9638e54Smws return (NULL); 2050d9638e54Smws } 2051d9638e54Smws break; 2052d9638e54Smws 2053d9638e54Smws case DATA_TYPE_NVLIST: 2054d9638e54Smws if (nvpair_value_nvlist(nvp, &l) == 0 && 2055d9638e54Smws nvlist_lookup_string(l, FM_FMRI_SCHEME, &s) == 0) 2056d9638e54Smws r = fmd_fmri_translate(l, auth); 2057d9638e54Smws else 2058d9638e54Smws r = fmd_xprt_xtranslate(l, auth); 2059d9638e54Smws 2060d9638e54Smws if (r == NULL) { 2061d9638e54Smws nvlist_free(nvl); 2062d9638e54Smws return (NULL); 2063d9638e54Smws } 2064d9638e54Smws 2065d9638e54Smws (void) strcpy(name, nvpair_name(nvp)); 2066d9638e54Smws (void) nvlist_remove(nvl, name, type); 2067d9638e54Smws (void) nvlist_add_nvlist(nvl, name, r); 2068d9638e54Smws 2069d9638e54Smws nvlist_free(r); 2070d9638e54Smws break; 2071d9638e54Smws } 2072d9638e54Smws } 2073d9638e54Smws 2074d9638e54Smws return (nvl); 2075d9638e54Smws } 2076d9638e54Smws 2077d9638e54Smws nvlist_t * 2078d9638e54Smws fmd_xprt_translate(fmd_hdl_t *hdl, fmd_xprt_t *xp, fmd_event_t *ep) 2079d9638e54Smws { 2080d9638e54Smws fmd_xprt_impl_t *xip = fmd_api_transport_impl(hdl, xp); 2081d9638e54Smws 2082d9638e54Smws if (xip->xi_auth == NULL) { 2083d9638e54Smws fmd_api_error(fmd_api_module_lock(hdl), EFMD_XPRT_INVAL, 2084d9638e54Smws "no authority defined for transport %p\n", (void *)xp); 2085d9638e54Smws } 2086d9638e54Smws 2087d9638e54Smws return (fmd_xprt_xtranslate(FMD_EVENT_NVL(ep), xip->xi_auth)); 2088d9638e54Smws } 2089d9638e54Smws 2090d9638e54Smws void 2091d9638e54Smws fmd_xprt_setspecific(fmd_hdl_t *hdl, fmd_xprt_t *xp, void *data) 2092d9638e54Smws { 2093d9638e54Smws fmd_api_transport_impl(hdl, xp)->xi_data = data; 2094d9638e54Smws } 2095d9638e54Smws 2096d9638e54Smws void * 2097d9638e54Smws fmd_xprt_getspecific(fmd_hdl_t *hdl, fmd_xprt_t *xp) 2098d9638e54Smws { 2099d9638e54Smws return (fmd_api_transport_impl(hdl, xp)->xi_data); 2100d9638e54Smws } 2101