1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #ifndef _SYS_LOG_H 31*0Sstevel@tonic-gate #define _SYS_LOG_H 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate #include <sys/strlog.h> 37*0Sstevel@tonic-gate #include <sys/stream.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #ifdef __cplusplus 40*0Sstevel@tonic-gate extern "C" { 41*0Sstevel@tonic-gate #endif 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #define LOG_CONSMIN 0 /* /dev/conslog minor */ 44*0Sstevel@tonic-gate #define LOG_LOGMIN 5 /* /dev/log clone-open minor */ 45*0Sstevel@tonic-gate #define LOG_BACKLOG LOG_LOGMIN /* console backlog queue */ 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate #define LOG_LOGMINIDX 0 /* index of smallest /dev/log clone */ 48*0Sstevel@tonic-gate #define LOG_LOGMAXIDX 15 /* up to 16 /dev/log clones */ 49*0Sstevel@tonic-gate #define LOG_NUMCLONES (LOG_LOGMAXIDX - LOG_LOGMINIDX + 1) 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate #define LOG_MID 44 /* module ID */ 52*0Sstevel@tonic-gate #define LOG_MINPS 0 /* min packet size */ 53*0Sstevel@tonic-gate #define LOG_MAXPS 1024 /* max packet size */ 54*0Sstevel@tonic-gate #define LOG_LOWAT 2048 /* threshold for backenable */ 55*0Sstevel@tonic-gate #define LOG_HIWAT 1048576 /* threshold for tossing messages */ 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate #define LOG_MAGIC 0xf00d4109U /* "food for log" - unsent msg magic */ 58*0Sstevel@tonic-gate #define LOG_RECENTSIZE 8192 /* queue of most recent messages */ 59*0Sstevel@tonic-gate #define LOG_MINFREE 4096 /* message cache low water mark */ 60*0Sstevel@tonic-gate #define LOG_MAXFREE 8192 /* message cache high water mark */ 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate typedef struct log log_t; 63*0Sstevel@tonic-gate typedef int (log_filter_t)(log_t *, log_ctl_t *); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate struct log { 66*0Sstevel@tonic-gate queue_t *log_q; /* message queue */ 67*0Sstevel@tonic-gate log_filter_t *log_wanted; /* message filter */ 68*0Sstevel@tonic-gate mblk_t *log_data; /* parameters for filter */ 69*0Sstevel@tonic-gate uint16_t log_flags; /* message type (e.g. SL_CONSOLE) */ 70*0Sstevel@tonic-gate short log_inuse; /* is this log device open? */ 71*0Sstevel@tonic-gate int log_overflow; /* messages lost due to QFULL */ 72*0Sstevel@tonic-gate zoneid_t log_zoneid; /* zone id of log */ 73*0Sstevel@tonic-gate minor_t log_minor; /* minor number of associated device */ 74*0Sstevel@tonic-gate }; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate typedef struct log_zone { 77*0Sstevel@tonic-gate log_t lz_clones[LOG_NUMCLONES]; 78*0Sstevel@tonic-gate uint16_t lz_active; /* active types (OR of all log_flags fields) */ 79*0Sstevel@tonic-gate } log_zone_t; 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate #define LOG_MSGSIZE 200 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate typedef struct log_dump { 84*0Sstevel@tonic-gate uint32_t ld_magic; /* LOG_MAGIC */ 85*0Sstevel@tonic-gate uint32_t ld_msgsize; /* MBLKL(mp->b_cont) */ 86*0Sstevel@tonic-gate uint32_t ld_csum; /* checksum32(log_ctl) */ 87*0Sstevel@tonic-gate uint32_t ld_msum; /* checksum32(message text) */ 88*0Sstevel@tonic-gate /* 89*0Sstevel@tonic-gate * log_ctl and message text follow here -- see dump_messages() 90*0Sstevel@tonic-gate */ 91*0Sstevel@tonic-gate } log_dump_t; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #ifdef _KERNEL 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate /* global zone variables */ 96*0Sstevel@tonic-gate extern log_zone_t log_global; 97*0Sstevel@tonic-gate extern queue_t *log_consq; /* primary console reader queue */ 98*0Sstevel@tonic-gate extern queue_t *log_backlogq; /* console backlog queue */ 99*0Sstevel@tonic-gate extern queue_t *log_intrq; /* pending high-level interrupt message queue */ 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate extern log_filter_t log_error; 102*0Sstevel@tonic-gate extern log_filter_t log_trace; 103*0Sstevel@tonic-gate extern log_filter_t log_console; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate extern void log_init(void); 106*0Sstevel@tonic-gate extern void log_enter(void); 107*0Sstevel@tonic-gate extern void log_exit(void); 108*0Sstevel@tonic-gate extern void log_update(log_t *, queue_t *, short, log_filter_t); 109*0Sstevel@tonic-gate extern mblk_t *log_makemsg(int, int, int, int, int, void *, size_t, int); 110*0Sstevel@tonic-gate extern void log_freemsg(mblk_t *); 111*0Sstevel@tonic-gate extern void log_sendmsg(mblk_t *, zoneid_t); 112*0Sstevel@tonic-gate extern void log_flushq(queue_t *); 113*0Sstevel@tonic-gate extern void log_printq(queue_t *); 114*0Sstevel@tonic-gate extern log_t *log_alloc(minor_t); 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate #endif /* _KERNEL */ 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate #ifdef __cplusplus 119*0Sstevel@tonic-gate } 120*0Sstevel@tonic-gate #endif 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate #endif /* _SYS_LOG_H */ 123