1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _SYS_FM_UTIL_H 27 #define _SYS_FM_UTIL_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/nvpair.h> 34 #include <sys/errorq.h> 35 36 /* 37 * Shared user/kernel definitions for class length, error channel name, 38 * and kernel event publisher string. 39 */ 40 #define FM_MAX_CLASS 100 41 #define FM_ERROR_CHAN "com.sun:fm:error" 42 #define FM_PUB "fm" 43 44 /* 45 * ereport dump device transport support 46 * 47 * Ereports are written out to the dump device at a proscribed offset from the 48 * end, similar to in-transit log messages. The ereports are represented as a 49 * erpt_dump_t header followed by ed_size bytes of packed native nvlist data. 50 * 51 * NOTE: All of these constants and the header must be defined so they have the 52 * same representation for *both* 32-bit and 64-bit producers and consumers. 53 */ 54 #define ERPT_MAGIC 0xf00d4eddU 55 #define ERPT_MAX_ERRS 16 56 #define ERPT_DATA_SZ (6 * 1024) 57 #define ERPT_EVCH_MAX 256 58 #define ERPT_HIWAT 64 59 60 typedef struct erpt_dump { 61 uint32_t ed_magic; /* ERPT_MAGIC or zero to indicate end */ 62 uint32_t ed_chksum; /* checksum32() of packed nvlist data */ 63 uint32_t ed_size; /* ereport (nvl) fixed buf size */ 64 uint32_t ed_pad; /* reserved for future use */ 65 hrtime_t ed_hrt_nsec; /* hrtime of this ereport */ 66 hrtime_t ed_hrt_base; /* hrtime sample corresponding to ed_tod_base */ 67 struct { 68 uint64_t sec; /* seconds since gettimeofday() Epoch */ 69 uint64_t nsec; /* nanoseconds past ed_tod_base.sec */ 70 } ed_tod_base; 71 } erpt_dump_t; 72 73 #ifdef _KERNEL 74 #include <sys/systm.h> 75 76 #define FM_STK_DEPTH 20 /* maximum stack depth */ 77 #define FM_SYM_SZ 64 /* maximum symbol size */ 78 #define FM_ERR_PIL 2 /* PIL for ereport_errorq drain processing */ 79 80 #define FM_EREPORT_PAYLOAD_NAME_STACK "stack" 81 82 extern errorq_t *ereport_errorq; 83 extern void *ereport_dumpbuf; 84 extern size_t ereport_dumplen; 85 86 extern void fm_init(void); 87 extern void fm_nvprint(nvlist_t *); 88 extern void fm_panic(const char *, ...); 89 extern void fm_banner(void); 90 91 extern void fm_ereport_dump(void); 92 extern void fm_ereport_post(nvlist_t *, int); 93 94 extern int is_fm_panic(); 95 #endif /* _KERNEL */ 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* _SYS_FM_UTIL_H */ 102