xref: /titanic_44/usr/src/uts/common/io/bge/bge_log.c (revision bc9ec910d60a3256c0b6bb68a13afa62e106730a)
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 2006 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 "sys/bge_impl2.h"
30 
31 
32 /*
33  * Global variable for default debug flags
34  */
35 uint32_t bge_debug;
36 
37 /*
38  * Global mutex used by logging routines below
39  */
40 kmutex_t bge_log_mutex[1];
41 
42 /*
43  * Static data used by logging routines; protected by <bge_log_mutex>
44  */
45 static struct {
46 	const char *who;
47 	const char *fmt;
48 	int level;
49 } bge_log_data;
50 
51 
52 /*
53  * Backend print routine for all the routines below
54  */
55 static void
56 bge_vprt(const char *fmt, va_list args)
57 {
58 	char buf[128];
59 
60 	ASSERT(mutex_owned(bge_log_mutex));
61 
62 	(void) vsnprintf(buf, sizeof (buf), fmt, args);
63 	cmn_err(bge_log_data.level, bge_log_data.fmt, bge_log_data.who, buf);
64 }
65 
66 /*
67  * Report a run-time event (CE_NOTE, to console & log)
68  */
69 void
70 bge_notice(bge_t *bgep, const char *fmt, ...)
71 {
72 	va_list args;
73 
74 	mutex_enter(bge_log_mutex);
75 	bge_log_data.who = bgep->ifname;
76 	bge_log_data.fmt = "%s: %s";
77 	bge_log_data.level = CE_NOTE;
78 
79 	va_start(args, fmt);
80 	bge_vprt(fmt, args);
81 	va_end(args);
82 
83 	mutex_exit(bge_log_mutex);
84 }
85 
86 /*
87  * Log a run-time event (CE_NOTE, log only)
88  */
89 void
90 bge_log(bge_t *bgep, const char *fmt, ...)
91 {
92 	va_list args;
93 
94 	mutex_enter(bge_log_mutex);
95 	bge_log_data.who = bgep->ifname;
96 	bge_log_data.fmt = "!%s: %s";
97 	bge_log_data.level = CE_NOTE;
98 
99 	va_start(args, fmt);
100 	bge_vprt(fmt, args);
101 	va_end(args);
102 
103 	mutex_exit(bge_log_mutex);
104 }
105 
106 /*
107  * Log a run-time problem (CE_WARN, log only)
108  */
109 void
110 bge_problem(bge_t *bgep, const char *fmt, ...)
111 {
112 	va_list args;
113 
114 	mutex_enter(bge_log_mutex);
115 	bge_log_data.who = bgep->ifname;
116 	bge_log_data.fmt = "!%s: %s";
117 	bge_log_data.level = CE_WARN;
118 
119 	va_start(args, fmt);
120 	bge_vprt(fmt, args);
121 	va_end(args);
122 
123 	mutex_exit(bge_log_mutex);
124 }
125 
126 /*
127  * Log a programming error (CE_WARN, log only)
128  */
129 void
130 bge_error(bge_t *bgep, const char *fmt, ...)
131 {
132 	va_list args;
133 
134 	mutex_enter(bge_log_mutex);
135 	bge_log_data.who = bgep->ifname;
136 	bge_log_data.fmt = "!%s: %s";
137 	bge_log_data.level = CE_WARN;
138 
139 	va_start(args, fmt);
140 	bge_vprt(fmt, args);
141 	va_end(args);
142 
143 	mutex_exit(bge_log_mutex);
144 }
145 
146 void
147 bge_fm_ereport(bge_t *bgep, char *detail)
148 {
149 	uint64_t ena;
150 	char buf[FM_MAX_CLASS];
151 
152 	(void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail);
153 	ena = fm_ena_generate(0, FM_ENA_FMT1);
154 	if (DDI_FM_EREPORT_CAP(bgep->fm_capabilities)) {
155 		ddi_fm_ereport_post(bgep->devinfo, buf, ena, DDI_NOSLEEP,
156 		    FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERS0, NULL);
157 	}
158 }
159 
160 #if	BGE_DEBUGGING
161 
162 static void
163 bge_prt(const char *fmt, ...)
164 {
165 	va_list args;
166 
167 	ASSERT(mutex_owned(bge_log_mutex));
168 
169 	va_start(args, fmt);
170 	bge_vprt(fmt, args);
171 	va_end(args);
172 
173 	mutex_exit(bge_log_mutex);
174 }
175 
176 void
177 (*bge_gdb(void))(const char *fmt, ...)
178 {
179 	mutex_enter(bge_log_mutex);
180 	bge_log_data.who = "bge";
181 	bge_log_data.fmt = "?%s: %s\n";
182 	bge_log_data.level = CE_CONT;
183 
184 	return (bge_prt);
185 }
186 
187 void
188 (*bge_db(bge_t *bgep))(const char *fmt, ...)
189 {
190 	mutex_enter(bge_log_mutex);
191 	bge_log_data.who = bgep->ifname;
192 	bge_log_data.fmt = "?%s: %s\n";
193 	bge_log_data.level = CE_CONT;
194 
195 	return (bge_prt);
196 }
197 
198 /*
199  * Dump a chunk of memory, 16 bytes at a time
200  */
201 static void
202 minidump(bge_t *bgep, const char *caption, void *dp, uint_t len)
203 {
204 	uint32_t buf[4];
205 	uint32_t nbytes;
206 
207 	bge_log(bgep, "%d bytes of %s at address %p:-", len, caption, dp);
208 
209 	for (len = MIN(len, BGE_STD_BUFF_SIZE); len != 0; len -= nbytes) {
210 		nbytes = MIN(len, sizeof (buf));
211 		bzero(buf, sizeof (buf));
212 		bcopy(dp, buf, nbytes);
213 		bge_log(bgep, "%08x %08x %08x %08x",
214 			buf[0], buf[1], buf[2], buf[3]);
215 		dp = (caddr_t)dp + nbytes;
216 	}
217 }
218 
219 void
220 bge_pkt_dump(bge_t *bgep, bge_rbd_t *hrbdp, sw_rbd_t *srbdp, const char *msg)
221 {
222 	bge_problem(bgep, "driver-detected hardware error: %s", msg);
223 
224 	minidump(bgep, "hardware descriptor", hrbdp, sizeof (*hrbdp));
225 
226 	bge_log(bgep, "PCI address %llx packet len 0x%x token 0x%x "
227 			"flags 0x%x index 0x%x",
228 			hrbdp->host_buf_addr,
229 			hrbdp->len,
230 			hrbdp->opaque,
231 			hrbdp->flags,
232 			hrbdp->index);
233 
234 	if (srbdp != NULL) {
235 		minidump(bgep, "software descriptor", srbdp, sizeof (*srbdp));
236 
237 		bge_log(bgep, "PCI address %llx buffer len 0x%x token 0x%x",
238 			srbdp->pbuf.cookie.dmac_laddress,
239 			srbdp->pbuf.alength,
240 			srbdp->pbuf.token);
241 
242 		minidump(bgep, "packet data", srbdp->pbuf.mem_va, hrbdp->len);
243 	}
244 }
245 
246 void
247 bge_dbg_enter(bge_t *bgep, const char *s)
248 {
249 	uint32_t debug;
250 
251 	debug = bgep != NULL ? bgep->debug : bge_debug;
252 	if (debug & BGE_DBG_STOP) {
253 		cmn_err(CE_CONT, "bge_dbg_enter(%p): %s\n", (void *)bgep, s);
254 		debug_enter("");
255 	}
256 }
257 
258 #endif	/* BGE_DEBUGGING */
259