xref: /titanic_41/usr/src/uts/common/io/dmfe/dmfe_log.c (revision bdb9230ac765cb7af3fc1f4119caf2c5720dceb3)
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  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include "dmfe_impl.h"
27 
28 /*
29  *	========== Message printing & debug routines ==========
30  */
31 
32 static struct {
33 	kmutex_t mutex[1];
34 	const char *ifname;
35 	const char *fmt;
36 	int level;
37 } prtdata;
38 
39 void
dmfe_log_init()40 dmfe_log_init()
41 {
42 	mutex_init(prtdata.mutex, NULL, MUTEX_DRIVER, NULL);
43 }
44 
45 void
dmfe_log_fini()46 dmfe_log_fini()
47 {
48 	mutex_destroy(prtdata.mutex);
49 }
50 
51 /*
52  * Backend print routine for all the routines below
53  */
54 static void
dmfe_vprt(const char * fmt,va_list args)55 dmfe_vprt(const char *fmt, va_list args)
56 {
57 	char buf[128];
58 
59 	ASSERT(mutex_owned(prtdata.mutex));
60 
61 	(void) vsnprintf(buf, sizeof (buf), fmt, args);
62 	cmn_err(prtdata.level, prtdata.fmt, prtdata.ifname, buf);
63 }
64 
65 /*
66  * Report a run-time error (CE_WARN, to console & log)
67  * Also logs all the chip's operating registers
68  */
69 void
dmfe_warning(dmfe_t * dmfep,const char * fmt,...)70 dmfe_warning(dmfe_t *dmfep, const char *fmt, ...)
71 {
72 	va_list args;
73 	uint32_t reg;
74 	int i;
75 
76 	mutex_enter(prtdata.mutex);
77 	prtdata.ifname = dmfep->ifname;
78 	prtdata.fmt = "%s: %s";
79 	prtdata.level = CE_WARN;
80 
81 	va_start(args, fmt);
82 	dmfe_vprt(fmt, args);
83 	va_end(args);
84 
85 	/*
86 	 * Record all the chip registers in the logfile
87 	 */
88 	for (i = 0; i < 16; ++i) {
89 		reg = dmfe_chip_get32(dmfep, 8*i);
90 		cmn_err(CE_NOTE, "!%s: CR%d\t%08x", dmfep->ifname, i, reg);
91 	}
92 
93 	mutex_exit(prtdata.mutex);
94 }
95 
96 /*
97  * Log a programming error (CE_WARN, log only)
98  */
99 void
dmfe_error(dmfe_t * dmfep,const char * fmt,...)100 dmfe_error(dmfe_t *dmfep, const char *fmt, ...)
101 {
102 	va_list args;
103 
104 	mutex_enter(prtdata.mutex);
105 	prtdata.ifname = dmfep->ifname;
106 	prtdata.fmt = "!%s: %s";
107 	prtdata.level = CE_WARN;
108 
109 	va_start(args, fmt);
110 	dmfe_vprt(fmt, args);
111 	va_end(args);
112 
113 	mutex_exit(prtdata.mutex);
114 }
115 
116 /*
117  * Report a run-time event (CE_NOTE, to console & log)
118  */
119 void
dmfe_notice(dmfe_t * dmfep,const char * fmt,...)120 dmfe_notice(dmfe_t *dmfep, const char *fmt, ...)
121 {
122 	va_list args;
123 
124 	mutex_enter(prtdata.mutex);
125 	prtdata.ifname = dmfep->ifname;
126 	prtdata.fmt = "%s: %s";
127 	prtdata.level = CE_NOTE;
128 
129 	va_start(args, fmt);
130 	dmfe_vprt(fmt, args);
131 	va_end(args);
132 
133 	mutex_exit(prtdata.mutex);
134 }
135 
136 /*
137  * Log a run-time event (CE_NOTE, log only)
138  */
139 void
dmfe_log(dmfe_t * dmfep,const char * fmt,...)140 dmfe_log(dmfe_t *dmfep, const char *fmt, ...)
141 {
142 	va_list args;
143 
144 	mutex_enter(prtdata.mutex);
145 	prtdata.ifname = dmfep->ifname;
146 	prtdata.fmt = "!%s: %s";
147 	prtdata.level = CE_NOTE;
148 
149 	va_start(args, fmt);
150 	dmfe_vprt(fmt, args);
151 	va_end(args);
152 
153 	mutex_exit(prtdata.mutex);
154 }
155