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      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 2007 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include "nge.h"
     30 
     31 
     32 /*
     33  * Global variable for default debug flags
     34  */
     35 uint32_t nge_debug;
     36 
     37 /*
     38  * Global mutex used by logging routines below
     39  */
     40 kmutex_t nge_log_mutex[1];
     41 
     42 /*
     43  * Static data used by logging routines; protected by <nge_log_mutex>
     44  */
     45 static struct {
     46 	const char *who;
     47 	const char *fmt;
     48 	int level;
     49 } nge_log_data;
     50 
     51 
     52 /*
     53  * Backend print routine for all the routines below
     54  */
     55 static void
     56 nge_vprt(const char *fmt, va_list args)
     57 {
     58 	char buf[128];
     59 
     60 	ASSERT(mutex_owned(nge_log_mutex));
     61 
     62 	(void) vsnprintf(buf, sizeof (buf), fmt, args);
     63 	cmn_err(nge_log_data.level, nge_log_data.fmt, nge_log_data.who, buf);
     64 }
     65 
     66 
     67 /*
     68  * Log a run-time event (CE_NOTE, log only)
     69  */
     70 void
     71 nge_log(nge_t *ngep, const char *fmt, ...)
     72 {
     73 	va_list args;
     74 
     75 	mutex_enter(nge_log_mutex);
     76 	nge_log_data.who = ngep->ifname;
     77 	nge_log_data.fmt = "!%s: %s";
     78 	nge_log_data.level = CE_NOTE;
     79 
     80 	va_start(args, fmt);
     81 	nge_vprt(fmt, args);
     82 	va_end(args);
     83 
     84 	mutex_exit(nge_log_mutex);
     85 }
     86 
     87 /*
     88  * Log a run-time problem (CE_WARN, log only)
     89  */
     90 void
     91 nge_problem(nge_t *ngep, const char *fmt, ...)
     92 {
     93 	va_list args;
     94 
     95 	mutex_enter(nge_log_mutex);
     96 	nge_log_data.who = ngep->ifname;
     97 	nge_log_data.fmt = "!%s: %s";
     98 	nge_log_data.level = CE_WARN;
     99 
    100 	va_start(args, fmt);
    101 	nge_vprt(fmt, args);
    102 	va_end(args);
    103 
    104 	mutex_exit(nge_log_mutex);
    105 }
    106 
    107 /*
    108  * Log a programming error (CE_WARN, log only)
    109  */
    110 void
    111 nge_error(nge_t *ngep, const char *fmt, ...)
    112 {
    113 	va_list args;
    114 
    115 	mutex_enter(nge_log_mutex);
    116 	nge_log_data.who = ngep->ifname;
    117 	nge_log_data.fmt = "!%s: %s";
    118 	nge_log_data.level = CE_WARN;
    119 
    120 	va_start(args, fmt);
    121 	nge_vprt(fmt, args);
    122 	va_end(args);
    123 
    124 	mutex_exit(nge_log_mutex);
    125 }
    126 
    127 static const char *
    128 nge_class_string(uint8_t class_id)
    129 {
    130 	const char *msg;
    131 	switch (class_id) {
    132 	default:
    133 		msg = "none";
    134 	break;
    135 
    136 	case NGE_HW_ERR:
    137 		msg = "Hardware fatal error. Hardware will be reset";
    138 	break;
    139 
    140 	case NGE_HW_LINK:
    141 		msg = "the link is broken, please check the connection";
    142 	break;
    143 
    144 	case NGE_HW_BM:
    145 		msg = "Reset the hardware buffer management fails,"
    146 		    "need to power off/power on system. It is hardware bug";
    147 		break;
    148 
    149 	case NGE_HW_RCHAN:
    150 		msg = "Reset rx's channel fails. Need to power off/power"
    151 		    "on system";
    152 		break;
    153 
    154 	case NGE_HW_TCHAN:
    155 		msg = "Reset rx's channel fails. Need to power off/power"
    156 		    "on system";
    157 		break;
    158 
    159 	case NGE_HW_ROM:
    160 		msg = "Unlock eeprom lock fails.";
    161 		break;
    162 
    163 	case NGE_SW_PROBLEM_ID:
    164 		msg = "Refill rx's bd fails";
    165 	break;
    166 	}
    167 	return (msg);
    168 }
    169 
    170 void
    171 nge_report(nge_t *ngep, uint8_t error_id)
    172 {
    173 	const char *err_msg;
    174 
    175 	err_msg = nge_class_string(error_id);
    176 	nge_error(ngep, err_msg);
    177 
    178 }
    179 static void
    180 nge_prt(const char *fmt, ...)
    181 {
    182 	va_list args;
    183 
    184 	ASSERT(mutex_owned(nge_log_mutex));
    185 
    186 	va_start(args, fmt);
    187 	nge_vprt(fmt, args);
    188 	va_end(args);
    189 
    190 	mutex_exit(nge_log_mutex);
    191 }
    192 
    193 void
    194 (*nge_gdb(void))(const char *fmt, ...)
    195 {
    196 	mutex_enter(nge_log_mutex);
    197 
    198 	nge_log_data.who = "nge";
    199 	nge_log_data.fmt = "?%s: %s\n";
    200 	nge_log_data.level = CE_CONT;
    201 
    202 	return (nge_prt);
    203 }
    204 
    205 void
    206 (*nge_db(nge_t *ngep))(const char *fmt, ...)
    207 {
    208 	mutex_enter(nge_log_mutex);
    209 
    210 	nge_log_data.who = ngep->ifname;
    211 	nge_log_data.fmt = "?%s: %s\n";
    212 	nge_log_data.level = CE_CONT;
    213 
    214 	return (nge_prt);
    215 }
    216