/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * Fault Management Architecture (FMA) Resource and Protocol Support * * The routines contained herein provide services to support kernel subsystems * in publishing fault management telemetry (see PSARC 2002/412 and 2003/089). * * Name-Value Pair Lists * * The embodiment of an FMA protocol element (event, fmri or authority) is a * name-value pair list (nvlist_t). FMA-specific nvlist construtor and * destructor functions, fm_nvlist_create() and fm_nvlist_destroy(), are used * to create an nvpair list using custom allocators. Callers may choose to * allocate either from the kernel memory allocator, or from a preallocated * buffer, useful in constrained contexts like high-level interrupt routines. * * Protocol Event and FMRI Construction * * Convenience routines are provided to construct nvlist events according to * the FMA Event Protocol and Naming Schema specification for ereports and * FMRIs for the dev, cpu, hc, mem, legacy hc and de schemes. * * ENA Manipulation * * Routines to generate ENA formats 0, 1 and 2 are available as well as * routines to increment formats 1 and 2. Individual fields within the * ENA are extractable via fm_ena_time_get(), fm_ena_id_get(), * fm_ena_format_get() and fm_ena_gen_get(). */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * URL and SUNW-MSG-ID value to display for fm_panic(), defined below. These * values must be kept in sync with the FMA source code in usr/src/cmd/fm. */ static const char *fm_url = "http://www.sun.com/msg"; static const char *fm_msgid = "SUNOS-8000-0G"; static char *volatile fm_panicstr = NULL; errorq_t *ereport_errorq; void *ereport_dumpbuf; size_t ereport_dumplen; static uint_t ereport_chanlen = ERPT_EVCH_MAX; static evchan_t *ereport_chan = NULL; static ulong_t ereport_qlen = 0; static size_t ereport_size = 0; static int ereport_cols = 80; /* * Common fault management kstats to record ereport generation * failures */ struct erpt_kstat { kstat_named_t erpt_dropped; /* num erpts dropped on post */ kstat_named_t erpt_set_failed; /* num erpt set failures */ kstat_named_t fmri_set_failed; /* num fmri set failures */ kstat_named_t payload_set_failed; /* num payload set failures */ }; static struct erpt_kstat erpt_kstat_data = { { "erpt-dropped", KSTAT_DATA_UINT64 }, { "erpt-set-failed", KSTAT_DATA_UINT64 }, { "fmri-set-failed", KSTAT_DATA_UINT64 }, { "payload-set-failed", KSTAT_DATA_UINT64 } }; /*ARGSUSED*/ static void fm_drain(void *private, void *data, errorq_elem_t *eep) { nvlist_t *nvl = errorq_elem_nvl(ereport_errorq, eep); if (!panicstr) (void) fm_ereport_post(nvl, EVCH_TRYHARD); else fm_nvprint(nvl); } void fm_init(void) { kstat_t *ksp; (void) sysevent_evc_bind(FM_ERROR_CHAN, &ereport_chan, EVCH_CREAT | EVCH_HOLD_PEND); (void) sysevent_evc_control(ereport_chan, EVCH_SET_CHAN_LEN, &ereport_chanlen); if (ereport_qlen == 0) ereport_qlen = ERPT_MAX_ERRS * MAX(max_ncpus, 4); if (ereport_size == 0) ereport_size = ERPT_DATA_SZ; ereport_errorq = errorq_nvcreate("fm_ereport_queue", (errorq_func_t)fm_drain, NULL, ereport_qlen, ereport_size, FM_ERR_PIL, ERRORQ_VITAL); if (ereport_errorq == NULL) panic("failed to create required ereport error queue"); ereport_dumpbuf = kmem_alloc(ereport_size, KM_SLEEP); ereport_dumplen = ereport_size; /* Initialize ereport allocation and generation kstats */ ksp = kstat_create("unix", 0, "fm", "misc", KSTAT_TYPE_NAMED, sizeof (struct erpt_kstat) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL); if (ksp != NULL) { ksp->ks_data = &erpt_kstat_data; kstat_install(ksp); } else { cmn_err(CE_NOTE, "failed to create fm/misc kstat\n"); } } /* * Formatting utility function for fm_nvprintr. We attempt to wrap chunks of * output so they aren't split across console lines, and return the end column. */ /*PRINTFLIKE4*/ static int fm_printf(int depth, int c, int cols, const char *format, ...) { va_list ap; int width; char c1; va_start(ap, format); width = vsnprintf(&c1, sizeof (c1), format, ap); va_end(ap); if (c + width >= cols) { console_printf("\n\r"); c = 0; if (format[0] != ' ' && depth > 0) { console_printf(" "); c++; } } va_start(ap, format); console_vprintf(format, ap); va_end(ap); return ((c + width) % cols); } /* * Recursively print a nvlist in the specified column width and return the * column we end up in. This function is called recursively by fm_nvprint(), * below. We generically format the entire nvpair using hexadecimal * integers and strings, and elide any integer arrays. Arrays are basically * used for cache dumps right now, so we suppress them so as not to overwhelm * the amount of console output we produce at panic time. This can be further * enhanced as FMA technology grows based upon the needs of consumers. All * FMA telemetry is logged using the dump device transport, so the console * output serves only as a fallback in case this procedure is unsuccessful. */ static int fm_nvprintr(nvlist_t *nvl, int d, int c, int cols) { nvpair_t *nvp; for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) { data_type_t type = nvpair_type(nvp); const char *name = nvpair_name(nvp); boolean_t b; uint8_t i8; uint16_t i16; uint32_t i32; uint64_t i64; char *str; nvlist_t *cnv; if (strcmp(name, FM_CLASS) == 0) continue; /* already printed by caller */ c = fm_printf(d, c, cols, " %s=", name); switch (type) { case DATA_TYPE_BOOLEAN: c = fm_printf(d + 1, c, cols, " 1"); break; case DATA_TYPE_BOOLEAN_VALUE: (void) nvpair_value_boolean_value(nvp, &b); c = fm_printf(d + 1, c, cols, b ? "1" : "0"); break; case DATA_TYPE_BYTE: (void) nvpair_value_byte(nvp, &i8); c = fm_printf(d + 1, c, cols, "%x", i8); break; case DATA_TYPE_INT8: (void) nvpair_value_int8(nvp, (void *)&i8); c = fm_printf(d + 1, c, cols, "%x", i8); break; case DATA_TYPE_UINT8: (void) nvpair_value_uint8(nvp, &i8); c = fm_printf(d + 1, c, cols, "%x", i8); break; case DATA_TYPE_INT16: (void) nvpair_value_int16(nvp, (void *)&i16); c = fm_printf(d + 1, c, cols, "%x", i16); break; case DATA_TYPE_UINT16: (void) nvpair_value_uint16(nvp, &i16); c = fm_printf(d + 1, c, cols, "%x", i16); break; case DATA_TYPE_INT32: (void) nvpair_value_int32(nvp, (void *)&i32); c = fm_printf(d + 1, c, cols, "%x", i32); break; case DATA_TYPE_UINT32: (void) nvpair_value_uint32(nvp, &i32); c = fm_printf(d + 1, c, cols, "%x", i32); break; case DATA_TYPE_INT64: (void) nvpair_value_int64(nvp, (void *)&i64); c = fm_printf(d + 1, c, cols, "%llx", (u_longlong_t)i64); break; case DATA_TYPE_UINT64: (void) nvpair_value_uint64(nvp, &i64); c = fm_printf(d + 1, c, cols, "%llx", (u_longlong_t)i64); break; case DATA_TYPE_HRTIME: (void) nvpair_value_hrtime(nvp, (void *)&i64); c = fm_printf(d + 1, c, cols, "%llx", (u_longlong_t)i64); break; case DATA_TYPE_STRING: (void) nvpair_value_string(nvp, &str); c = fm_printf(d + 1, c, cols, "\"%s\"", str ? str : ""); break; case DATA_TYPE_NVLIST: c = fm_printf(d + 1, c, cols, "["); (void) nvpair_value_nvlist(nvp, &cnv); c = fm_nvprintr(cnv, d + 1, c, cols); c = fm_printf(d + 1, c, cols, " ]"); break; case DATA_TYPE_BOOLEAN_ARRAY: case DATA_TYPE_BYTE_ARRAY: case DATA_TYPE_INT8_ARRAY: case DATA_TYPE_UINT8_ARRAY: case DATA_TYPE_INT16_ARRAY: case DATA_TYPE_UINT16_ARRAY: case DATA_TYPE_INT32_ARRAY: case DATA_TYPE_UINT32_ARRAY: case DATA_TYPE_INT64_ARRAY: case DATA_TYPE_UINT64_ARRAY: case DATA_TYPE_STRING_ARRAY: case DATA_TYPE_NVLIST_ARRAY: c = fm_printf(d + 1, c, cols, "[...]"); break; case DATA_TYPE_UNKNOWN: c = fm_printf(d + 1, c, cols, ""); break; } } return (c); } void fm_nvprint(nvlist_t *nvl) { char *class; int c = 0; console_printf("\r"); if (nvlist_lookup_string(nvl, FM_CLASS, &class) == 0) c = fm_printf(0, c, ereport_cols, "%s", class); if (fm_nvprintr(nvl, 0, c, ereport_cols) != 0) console_printf("\n"); console_printf("\n"); } /* * Wrapper for panic() that first produces an FMA-style message for admins. * Normally such messages are generated by fmd(1M)'s syslog-msgs agent: this * is the one exception to that rule and the only error that gets messaged. * This function is intended for use by subsystems that have detected a fatal * error and enqueued appropriate ereports and wish to then force a panic. */ /*PRINTFLIKE1*/ void fm_panic(const char *format, ...) { va_list ap; (void) casptr((void *)&fm_panicstr, NULL, (void *)format); va_start(ap, format); vpanic(format, ap); va_end(ap); } /* * Print any appropriate FMA banner message before the panic message. This * function is called by panicsys() and prints the message for fm_panic(). * We print the message here so that it comes after the system is quiesced. * A one-line summary is recorded in the log only (cmn_err(9F) with "!" prefix). * The rest of the message is for the console only and not needed in the log, * so it is printed using console_printf(). We break it up into multiple * chunks so as to avoid overflowing any small legacy prom_printf() buffers. */ void fm_banner(void) { timespec_t tod; hrtime_t now; if (!fm_panicstr) return; /* panic was not initiated by fm_panic(); do nothing */ if (panicstr) { tod = panic_hrestime; now = panic_hrtime; } else { gethrestime(&tod); now = gethrtime_waitfree(); } cmn_err(CE_NOTE, "!SUNW-MSG-ID: %s, " "TYPE: Error, VER: 1, SEVERITY: Major\n", fm_msgid); console_printf( "\n\rSUNW-MSG-ID: %s, TYPE: Error, VER: 1, SEVERITY: Major\n" "EVENT-TIME: 0x%lx.0x%lx (0x%llx)\n", fm_msgid, tod.tv_sec, tod.tv_nsec, (u_longlong_t)now); console_printf( "PLATFORM: %s, PSN: -, HOSTNAME: %s\n" "SOURCE: %s, REV: %s %s\n", platform, utsname.nodename, utsname.sysname, utsname.release, utsname.version); console_printf( "DESC: Errors have been detected that require a reboot to ensure system\n" "integrity. See %s/%s for more information.\n", fm_url, fm_msgid); console_printf( "AUTO-RESPONSE: Solaris will attempt to save and diagnose the error telemetry\n" "IMPACT: The system will sync files, save a crash dump if needed, and reboot\n" "REC-ACTION: Save the error summary below in case telemetry cannot be saved\n"); console_printf("\n"); } /* * Utility function to write all of the pending ereports to the dump device. * This function is called at either normal reboot or panic time, and simply * iterates over the in-transit messages in the ereport sysevent channel. */ void fm_ereport_dump(void) { evchanq_t *chq; sysevent_t *sep; erpt_dump_t ed; timespec_t tod; hrtime_t now; char *buf; size_t len; if (panicstr) { tod = panic_hrestime; now = panic_hrtime; } else { if (ereport_errorq != NULL) errorq_drain(ereport_errorq); gethrestime(&tod); now = gethrtime_waitfree(); } /* * In the panic case, sysevent_evc_walk_init() will return NULL. */ if ((chq = sysevent_evc_walk_init(ereport_chan, NULL)) == NULL && !panicstr) return; /* event channel isn't initialized yet */ while ((sep = sysevent_evc_walk_step(chq)) != NULL) { if ((buf = sysevent_evc_event_attr(sep, &len)) == NULL) break; ed.ed_magic = ERPT_MAGIC; ed.ed_chksum = checksum32(buf, len); ed.ed_size = (uint32_t)len; ed.ed_pad = 0; ed.ed_hrt_nsec = SE_TIME(sep); ed.ed_hrt_base = now; ed.ed_tod_base.sec = tod.tv_sec; ed.ed_tod_base.nsec = tod.tv_nsec; dumpvp_write(&ed, sizeof (ed)); dumpvp_write(buf, len); } sysevent_evc_walk_fini(chq); } /* * Post an error report (ereport) to the sysevent error channel. The error * channel must be established with a prior call to sysevent_evc_create() * before publication may occur. */ void fm_ereport_post(nvlist_t *ereport, int evc_flag) { size_t nvl_size = 0; evchan_t *error_chan; (void) nvlist_size(ereport, &nvl_size, NV_ENCODE_NATIVE); if (nvl_size > ERPT_DATA_SZ || nvl_size == 0) { atomic_add_64(&erpt_kstat_data.erpt_dropped.value.ui64, 1); return; } if (sysevent_evc_bind(FM_ERROR_CHAN, &error_chan, EVCH_CREAT|EVCH_HOLD_PEND) != 0) { atomic_add_64(&erpt_kstat_data.erpt_dropped.value.ui64, 1); return; } if (sysevent_evc_publish(error_chan, EC_FM, ESC_FM_ERROR, SUNW_VENDOR, FM_PUB, ereport, evc_flag) != 0) { atomic_add_64(&erpt_kstat_data.erpt_dropped.value.ui64, 1); sysevent_evc_unbind(error_chan); return; } sysevent_evc_unbind(error_chan); } /* * Wrapppers for FM nvlist allocators */ /* ARGSUSED */ static void * i_fm_alloc(nv_alloc_t *nva, size_t size) { return (kmem_zalloc(size, KM_SLEEP)); } /* ARGSUSED */ static void i_fm_free(nv_alloc_t *nva, void *buf, size_t size) { kmem_free(buf, size); } const nv_alloc_ops_t fm_mem_alloc_ops = { NULL, NULL, i_fm_alloc, i_fm_free, NULL }; /* * Create and initialize a new nv_alloc_t for a fixed buffer, buf. A pointer * to the newly allocated nv_alloc_t structure is returned upon success or NULL * is returned to indicate that the nv_alloc structure could not be created. */ nv_alloc_t * fm_nva_xcreate(char *buf, size_t bufsz) { nv_alloc_t *nvhdl = kmem_zalloc(sizeof (nv_alloc_t), KM_SLEEP); if (bufsz == 0 || nv_alloc_init(nvhdl, nv_fixed_ops, buf, bufsz) != 0) { kmem_free(nvhdl, sizeof (nv_alloc_t)); return (NULL); } return (nvhdl); } /* * Destroy a previously allocated nv_alloc structure. The fixed buffer * associated with nva must be freed by the caller. */ void fm_nva_xdestroy(nv_alloc_t *nva) { nv_alloc_fini(nva); kmem_free(nva, sizeof (nv_alloc_t)); } /* * Create a new nv list. A pointer to a new nv list structure is returned * upon success or NULL is returned to indicate that the structure could * not be created. The newly created nv list is created and managed by the * operations installed in nva. If nva is NULL, the default FMA nva * operations are installed and used. * * When called from the kernel and nva == NULL, this function must be called * from passive kernel context with no locks held that can prevent a * sleeping memory allocation from occurring. Otherwise, this function may * be called from other kernel contexts as long a valid nva created via * fm_nva_create() is supplied. */ nvlist_t * fm_nvlist_create(nv_alloc_t *nva) { int hdl_alloced = 0; nvlist_t *nvl; nv_alloc_t *nvhdl; if (nva == NULL) { nvhdl = kmem_zalloc(sizeof (nv_alloc_t), KM_SLEEP); if (nv_alloc_init(nvhdl, &fm_mem_alloc_ops, NULL, 0) != 0) { kmem_free(nvhdl, sizeof (nv_alloc_t)); return (NULL); } hdl_alloced = 1; } else { nvhdl = nva; } if (nvlist_xalloc(&nvl, NV_UNIQUE_NAME, nvhdl) != 0) { if (hdl_alloced) { kmem_free(nvhdl, sizeof (nv_alloc_t)); nv_alloc_fini(nvhdl); } return (NULL); } return (nvl); } /* * Destroy a previously allocated nvlist structure. flag indicates whether * or not the associated nva structure should be freed (FM_NVA_FREE) or * retained (FM_NVA_RETAIN). Retaining the nv alloc structure allows * it to be re-used for future nvlist creation operations. */ void fm_nvlist_destroy(nvlist_t *nvl, int flag) { nv_alloc_t *nva = nvlist_lookup_nv_alloc(nvl); nvlist_free(nvl); if (nva != NULL) { if (flag == FM_NVA_FREE) fm_nva_xdestroy(nva); } } int i_fm_payload_set(nvlist_t *payload, const char *name, va_list ap) { int nelem, ret = 0; data_type_t type; while (ret == 0 && name != NULL) { type = va_arg(ap, data_type_t); switch (type) { case DATA_TYPE_BYTE: ret = nvlist_add_byte(payload, name, va_arg(ap, uint_t)); break; case DATA_TYPE_BYTE_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_byte_array(payload, name, va_arg(ap, uchar_t *), nelem); break; case DATA_TYPE_BOOLEAN_VALUE: ret = nvlist_add_boolean_value(payload, name, va_arg(ap, boolean_t)); break; case DATA_TYPE_BOOLEAN_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_boolean_array(payload, name, va_arg(ap, boolean_t *), nelem); break; case DATA_TYPE_INT8: ret = nvlist_add_int8(payload, name, va_arg(ap, int)); break; case DATA_TYPE_INT8_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_int8_array(payload, name, va_arg(ap, int8_t *), nelem); break; case DATA_TYPE_UINT8: ret = nvlist_add_uint8(payload, name, va_arg(ap, uint_t)); break; case DATA_TYPE_UINT8_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_uint8_array(payload, name, va_arg(ap, uint8_t *), nelem); break; case DATA_TYPE_INT16: ret = nvlist_add_int16(payload, name, va_arg(ap, int)); break; case DATA_TYPE_INT16_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_int16_array(payload, name, va_arg(ap, int16_t *), nelem); break; case DATA_TYPE_UINT16: ret = nvlist_add_uint16(payload, name, va_arg(ap, uint_t)); break; case DATA_TYPE_UINT16_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_uint16_array(payload, name, va_arg(ap, uint16_t *), nelem); break; case DATA_TYPE_INT32: ret = nvlist_add_int32(payload, name, va_arg(ap, int32_t)); break; case DATA_TYPE_INT32_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_int32_array(payload, name, va_arg(ap, int32_t *), nelem); break; case DATA_TYPE_UINT32: ret = nvlist_add_uint32(payload, name, va_arg(ap, uint32_t)); break; case DATA_TYPE_UINT32_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_uint32_array(payload, name, va_arg(ap, uint32_t *), nelem); break; case DATA_TYPE_INT64: ret = nvlist_add_int64(payload, name, va_arg(ap, int64_t)); break; case DATA_TYPE_INT64_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_int64_array(payload, name, va_arg(ap, int64_t *), nelem); break; case DATA_TYPE_UINT64: ret = nvlist_add_uint64(payload, name, va_arg(ap, uint64_t)); break; case DATA_TYPE_UINT64_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_uint64_array(payload, name, va_arg(ap, uint64_t *), nelem); break; case DATA_TYPE_STRING: ret = nvlist_add_string(payload, name, va_arg(ap, char *)); break; case DATA_TYPE_STRING_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_string_array(payload, name, va_arg(ap, char **), nelem); break; case DATA_TYPE_NVLIST: ret = nvlist_add_nvlist(payload, name, va_arg(ap, nvlist_t *)); break; case DATA_TYPE_NVLIST_ARRAY: nelem = va_arg(ap, int); ret = nvlist_add_nvlist_array(payload, name, va_arg(ap, nvlist_t **), nelem); break; default: ret = EINVAL; } name = va_arg(ap, char *); } return (ret); } void fm_payload_set(nvlist_t *payload, ...) { int ret; const char *name; va_list ap; va_start(ap, payload); name = va_arg(ap, char *); ret = i_fm_payload_set(payload, name, ap); va_end(ap); if (ret) atomic_add_64( &erpt_kstat_data.payload_set_failed.value.ui64, 1); } /* * Set-up and validate the members of an ereport event according to: * * Member name Type Value * ==================================================== * class string ereport * version uint8_t 0 * ena uint64_t * detector nvlist_t * ereport-payload nvlist_t * */ void fm_ereport_set(nvlist_t *ereport, int version, const char *erpt_class, uint64_t ena, const nvlist_t *detector, ...) { char ereport_class[FM_MAX_CLASS]; const char *name; va_list ap; int ret; if (version != FM_EREPORT_VERS0) { atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); return; } (void) snprintf(ereport_class, FM_MAX_CLASS, "%s.%s", FM_EREPORT_CLASS, erpt_class); if (nvlist_add_string(ereport, FM_CLASS, ereport_class) != 0) { atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); return; } if (nvlist_add_uint64(ereport, FM_EREPORT_ENA, ena)) { atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); } if (nvlist_add_nvlist(ereport, FM_EREPORT_DETECTOR, (nvlist_t *)detector) != 0) { atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); } va_start(ap, detector); name = va_arg(ap, const char *); ret = i_fm_payload_set(ereport, name, ap); va_end(ap); if (ret) atomic_add_64(&erpt_kstat_data.erpt_set_failed.value.ui64, 1); } /* * Set-up and validate the members of an hc fmri according to; * * Member name Type Value * =================================================== * version uint8_t 0 * auth nvlist_t * hc-name string * hc-id string * * Note that auth and hc-id are optional members. */ #define HC_MAXPAIRS 20 #define HC_MAXNAMELEN 50 static int fm_fmri_hc_set_common(nvlist_t *fmri, int version, const nvlist_t *auth) { if (version != FM_HC_SCHEME_VERSION) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return (0); } if (nvlist_add_uint8(fmri, FM_VERSION, version) != 0 || nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_HC) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return (0); } if (auth != NULL && nvlist_add_nvlist(fmri, FM_FMRI_AUTHORITY, (nvlist_t *)auth) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return (0); } return (1); } void fm_fmri_hc_set(nvlist_t *fmri, int version, const nvlist_t *auth, nvlist_t *snvl, int npairs, ...) { nv_alloc_t *nva = nvlist_lookup_nv_alloc(fmri); nvlist_t *pairs[HC_MAXPAIRS]; va_list ap; int i; if (!fm_fmri_hc_set_common(fmri, version, auth)) return; npairs = MIN(npairs, HC_MAXPAIRS); va_start(ap, npairs); for (i = 0; i < npairs; i++) { const char *name = va_arg(ap, const char *); uint32_t id = va_arg(ap, uint32_t); char idstr[11]; (void) snprintf(idstr, sizeof (idstr), "%u", id); pairs[i] = fm_nvlist_create(nva); if (nvlist_add_string(pairs[i], FM_FMRI_HC_NAME, name) != 0 || nvlist_add_string(pairs[i], FM_FMRI_HC_ID, idstr) != 0) { atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } } va_end(ap); if (nvlist_add_nvlist_array(fmri, FM_FMRI_HC_LIST, pairs, npairs) != 0) atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); for (i = 0; i < npairs; i++) fm_nvlist_destroy(pairs[i], FM_NVA_RETAIN); if (snvl != NULL) { if (nvlist_add_nvlist(fmri, FM_FMRI_HC_SPECIFIC, snvl) != 0) { atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } } } /* * Set-up and validate the members of an dev fmri according to: * * Member name Type Value * ==================================================== * version uint8_t 0 * auth nvlist_t * devpath string * devid string * * Note that auth and devid are optional members. */ void fm_fmri_dev_set(nvlist_t *fmri_dev, int version, const nvlist_t *auth, const char *devpath, const char *devid) { if (version != DEV_SCHEME_VERSION0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_uint8(fmri_dev, FM_VERSION, version) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_string(fmri_dev, FM_FMRI_SCHEME, FM_FMRI_SCHEME_DEV) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (auth != NULL) { if (nvlist_add_nvlist(fmri_dev, FM_FMRI_AUTHORITY, (nvlist_t *)auth) != 0) { atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } } if (nvlist_add_string(fmri_dev, FM_FMRI_DEV_PATH, devpath) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); } if (devid != NULL) if (nvlist_add_string(fmri_dev, FM_FMRI_DEV_ID, devid) != 0) atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } /* * Set-up and validate the members of an cpu fmri according to: * * Member name Type Value * ==================================================== * version uint8_t 0 * auth nvlist_t * cpuid uint32_t * cpumask uint8_t * serial uint64_t * * Note that auth, cpumask, serial are optional members. * */ void fm_fmri_cpu_set(nvlist_t *fmri_cpu, int version, const nvlist_t *auth, uint32_t cpu_id, uint8_t *cpu_maskp, const char *serial_idp) { uint64_t *failedp = &erpt_kstat_data.fmri_set_failed.value.ui64; if (version < CPU_SCHEME_VERSION1) { atomic_add_64(failedp, 1); return; } if (nvlist_add_uint8(fmri_cpu, FM_VERSION, version) != 0) { atomic_add_64(failedp, 1); return; } if (nvlist_add_string(fmri_cpu, FM_FMRI_SCHEME, FM_FMRI_SCHEME_CPU) != 0) { atomic_add_64(failedp, 1); return; } if (auth != NULL && nvlist_add_nvlist(fmri_cpu, FM_FMRI_AUTHORITY, (nvlist_t *)auth) != 0) atomic_add_64(failedp, 1); if (nvlist_add_uint32(fmri_cpu, FM_FMRI_CPU_ID, cpu_id) != 0) atomic_add_64(failedp, 1); if (cpu_maskp != NULL && nvlist_add_uint8(fmri_cpu, FM_FMRI_CPU_MASK, *cpu_maskp) != 0) atomic_add_64(failedp, 1); if (serial_idp == NULL || nvlist_add_string(fmri_cpu, FM_FMRI_CPU_SERIAL_ID, (char *)serial_idp) != 0) atomic_add_64(failedp, 1); } /* * Set-up and validate the members of a mem according to: * * Member name Type Value * ==================================================== * version uint8_t 0 * auth nvlist_t [optional] * unum string * serial string [optional*] * offset uint64_t [optional] * * * serial is required if offset is present */ void fm_fmri_mem_set(nvlist_t *fmri, int version, const nvlist_t *auth, const char *unum, const char *serial, uint64_t offset) { if (version != MEM_SCHEME_VERSION0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (!serial && (offset != (uint64_t)-1)) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_uint8(fmri, FM_VERSION, version) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_MEM) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (auth != NULL) { if (nvlist_add_nvlist(fmri, FM_FMRI_AUTHORITY, (nvlist_t *)auth) != 0) { atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } } if (nvlist_add_string(fmri, FM_FMRI_MEM_UNUM, unum) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); } if (serial != NULL) { if (nvlist_add_string_array(fmri, FM_FMRI_MEM_SERIAL_ID, (char **)&serial, 1) != 0) { atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } if (offset != (uint64_t)-1) { if (nvlist_add_uint64(fmri, FM_FMRI_MEM_OFFSET, offset) != 0) { atomic_add_64(&erpt_kstat_data. fmri_set_failed.value.ui64, 1); } } } } void fm_fmri_zfs_set(nvlist_t *fmri, int version, uint64_t pool_guid, uint64_t vdev_guid) { if (version != ZFS_SCHEME_VERSION0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_uint8(fmri, FM_VERSION, version) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_string(fmri, FM_FMRI_SCHEME, FM_FMRI_SCHEME_ZFS) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); return; } if (nvlist_add_uint64(fmri, FM_FMRI_ZFS_POOL, pool_guid) != 0) { atomic_add_64(&erpt_kstat_data.fmri_set_failed.value.ui64, 1); } if (vdev_guid != 0) { if (nvlist_add_uint64(fmri, FM_FMRI_ZFS_VDEV, vdev_guid) != 0) { atomic_add_64( &erpt_kstat_data.fmri_set_failed.value.ui64, 1); } } } uint64_t fm_ena_increment(uint64_t ena) { uint64_t new_ena; switch (ENA_FORMAT(ena)) { case FM_ENA_FMT1: new_ena = ena + (1 << ENA_FMT1_GEN_SHFT); break; case FM_ENA_FMT2: new_ena = ena + (1 << ENA_FMT2_GEN_SHFT); break; default: new_ena = 0; } return (new_ena); } uint64_t fm_ena_generate_cpu(uint64_t timestamp, processorid_t cpuid, uchar_t format) { uint64_t ena = 0; switch (format) { case FM_ENA_FMT1: if (timestamp) { ena = (uint64_t)((format & ENA_FORMAT_MASK) | ((cpuid << ENA_FMT1_CPUID_SHFT) & ENA_FMT1_CPUID_MASK) | ((timestamp << ENA_FMT1_TIME_SHFT) & ENA_FMT1_TIME_MASK)); } else { ena = (uint64_t)((format & ENA_FORMAT_MASK) | ((cpuid << ENA_FMT1_CPUID_SHFT) & ENA_FMT1_CPUID_MASK) | ((gethrtime_waitfree() << ENA_FMT1_TIME_SHFT) & ENA_FMT1_TIME_MASK)); } break; case FM_ENA_FMT2: ena = (uint64_t)((format & ENA_FORMAT_MASK) | ((timestamp << ENA_FMT2_TIME_SHFT) & ENA_FMT2_TIME_MASK)); break; default: break; } return (ena); } uint64_t fm_ena_generate(uint64_t timestamp, uchar_t format) { return (fm_ena_generate_cpu(timestamp, CPU->cpu_id, format)); } uint64_t fm_ena_generation_get(uint64_t ena) { uint64_t gen; switch (ENA_FORMAT(ena)) { case FM_ENA_FMT1: gen = (ena & ENA_FMT1_GEN_MASK) >> ENA_FMT1_GEN_SHFT; break; case FM_ENA_FMT2: gen = (ena & ENA_FMT2_GEN_MASK) >> ENA_FMT2_GEN_SHFT; break; default: gen = 0; break; } return (gen); } uchar_t fm_ena_format_get(uint64_t ena) { return (ENA_FORMAT(ena)); } uint64_t fm_ena_id_get(uint64_t ena) { uint64_t id; switch (ENA_FORMAT(ena)) { case FM_ENA_FMT1: id = (ena & ENA_FMT1_ID_MASK) >> ENA_FMT1_ID_SHFT; break; case FM_ENA_FMT2: id = (ena & ENA_FMT2_ID_MASK) >> ENA_FMT2_ID_SHFT; break; default: id = 0; } return (id); } uint64_t fm_ena_time_get(uint64_t ena) { uint64_t time; switch (ENA_FORMAT(ena)) { case FM_ENA_FMT1: time = (ena & ENA_FMT1_TIME_MASK) >> ENA_FMT1_TIME_SHFT; break; case FM_ENA_FMT2: time = (ena & ENA_FMT2_TIME_MASK) >> ENA_FMT2_TIME_SHFT; break; default: time = 0; } return (time); } /* * Convert a getpcstack() trace to symbolic name+offset, and add the resulting * string array to a Fault Management ereport as FM_EREPORT_PAYLOAD_NAME_STACK. */ void fm_payload_stack_add(nvlist_t *payload, const pc_t *stack, int depth) { int i; char *sym; ulong_t off; char *stkpp[FM_STK_DEPTH]; char buf[FM_STK_DEPTH * FM_SYM_SZ]; char *stkp = buf; for (i = 0; i < depth && i != FM_STK_DEPTH; i++, stkp += FM_SYM_SZ) { if ((sym = kobj_getsymname(stack[i], &off)) != NULL) (void) snprintf(stkp, FM_SYM_SZ, "%s+%lx", sym, off); else (void) snprintf(stkp, FM_SYM_SZ, "%lx", (long)stack[i]); stkpp[i] = stkp; } fm_payload_set(payload, FM_EREPORT_PAYLOAD_NAME_STACK, DATA_TYPE_STRING_ARRAY, depth, stkpp, NULL); }