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, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include "rge.h"
28
29 /*
30 * Global variable for default debug flags
31 */
32 uint32_t rge_debug;
33
34 /*
35 * Global mutex used by logging routines below
36 */
37 kmutex_t rge_log_mutex[1];
38
39 /*
40 * Static data used by logging routines; protected by <rge_log_mutex>
41 */
42 static struct {
43 const char *who;
44 const char *fmt;
45 int level;
46 } rge_log_data;
47
48
49 /*
50 * Backend print routine for all the routines below
51 */
52 static void
rge_vprt(const char * fmt,va_list args)53 rge_vprt(const char *fmt, va_list args)
54 {
55 char buf[128];
56
57 ASSERT(mutex_owned(rge_log_mutex));
58
59 (void) vsnprintf(buf, sizeof (buf), fmt, args);
60 cmn_err(rge_log_data.level, rge_log_data.fmt, rge_log_data.who, buf);
61 }
62
63 /*
64 * Report a run-time event (CE_NOTE, to console & log)
65 */
66 void
rge_notice(rge_t * rgep,const char * fmt,...)67 rge_notice(rge_t *rgep, const char *fmt, ...)
68 {
69 va_list args;
70
71 mutex_enter(rge_log_mutex);
72 rge_log_data.who = rgep->ifname;
73 rge_log_data.fmt = "%s: %s";
74 rge_log_data.level = CE_NOTE;
75
76 va_start(args, fmt);
77 rge_vprt(fmt, args);
78 va_end(args);
79
80 mutex_exit(rge_log_mutex);
81 }
82
83 /*
84 * Log a run-time event (CE_NOTE, log only)
85 */
86 void
rge_log(rge_t * rgep,const char * fmt,...)87 rge_log(rge_t *rgep, const char *fmt, ...)
88 {
89 va_list args;
90
91 mutex_enter(rge_log_mutex);
92 rge_log_data.who = rgep->ifname;
93 rge_log_data.fmt = "!%s: %s";
94 rge_log_data.level = CE_NOTE;
95
96 va_start(args, fmt);
97 rge_vprt(fmt, args);
98 va_end(args);
99
100 mutex_exit(rge_log_mutex);
101 }
102
103 /*
104 * Log a run-time problem (CE_WARN, log only)
105 */
106 void
rge_problem(rge_t * rgep,const char * fmt,...)107 rge_problem(rge_t *rgep, const char *fmt, ...)
108 {
109 va_list args;
110
111 mutex_enter(rge_log_mutex);
112 rge_log_data.who = rgep->ifname;
113 rge_log_data.fmt = "!%s: %s";
114 rge_log_data.level = CE_WARN;
115
116 va_start(args, fmt);
117 rge_vprt(fmt, args);
118 va_end(args);
119
120 mutex_exit(rge_log_mutex);
121 }
122
123 /*
124 * Log a programming error (CE_WARN, log only)
125 */
126 void
rge_error(rge_t * rgep,const char * fmt,...)127 rge_error(rge_t *rgep, const char *fmt, ...)
128 {
129 va_list args;
130
131 mutex_enter(rge_log_mutex);
132 rge_log_data.who = rgep->ifname;
133 rge_log_data.fmt = "!%s: %s";
134 rge_log_data.level = CE_WARN;
135
136 va_start(args, fmt);
137 rge_vprt(fmt, args);
138 va_end(args);
139
140 mutex_exit(rge_log_mutex);
141 }
142
143 #if RGE_DEBUGGING
144
145 static void
rge_prt(const char * fmt,...)146 rge_prt(const char *fmt, ...)
147 {
148 va_list args;
149
150 ASSERT(mutex_owned(rge_log_mutex));
151
152 va_start(args, fmt);
153 rge_vprt(fmt, args);
154 va_end(args);
155
156 mutex_exit(rge_log_mutex);
157 }
158
159 void
rge_gdb(void)160 (*rge_gdb(void))(const char *fmt, ...)
161 {
162 mutex_enter(rge_log_mutex);
163 rge_log_data.who = "rge";
164 rge_log_data.fmt = "?%s: %s\n";
165 rge_log_data.level = CE_CONT;
166
167 return (rge_prt);
168 }
169
170 void
rge_db(rge_t * rgep)171 (*rge_db(rge_t *rgep))(const char *fmt, ...)
172 {
173 mutex_enter(rge_log_mutex);
174 rge_log_data.who = rgep->ifname;
175 rge_log_data.fmt = "?%s: %s\n";
176 rge_log_data.level = CE_CONT;
177
178 return (rge_prt);
179 }
180
181 /*
182 * Dump a chunk of memory, 16 bytes at a time
183 */
184 static void
minidump(rge_t * rgep,const char * caption,void * dp,uint_t len)185 minidump(rge_t *rgep, const char *caption, void *dp, uint_t len)
186 {
187 uint32_t buf[4];
188 uint32_t nbytes;
189
190 rge_log(rgep, "%d bytes of %s at address %p:-", len, caption, dp);
191
192 for (len = MIN(len, rgep->rxbuf_size); len != 0; len -= nbytes) {
193 nbytes = MIN(len, sizeof (buf));
194 bzero(buf, sizeof (buf));
195 bcopy(dp, buf, nbytes);
196 rge_log(rgep, "%08x %08x %08x %08x",
197 buf[0], buf[1], buf[2], buf[3]);
198 dp = (caddr_t)dp + nbytes;
199 }
200 }
201
202 void
rge_pkt_dump(rge_t * rgep,rge_bd_t * hrbdp,sw_rbd_t * srbdp,const char * msg)203 rge_pkt_dump(rge_t *rgep, rge_bd_t *hrbdp, sw_rbd_t *srbdp, const char *msg)
204 {
205 rge_problem(rgep, "driver-detected hardware error: %s", msg);
206
207 minidump(rgep, "hardware descriptor", hrbdp, sizeof (*hrbdp));
208
209 rge_log(rgep, "PCI address %lx flags_len 0x%x"
210 "vlan_tag 0x%x",
211 hrbdp->host_buf_addr,
212 hrbdp->flags_len,
213 hrbdp->vlan_tag);
214
215 if (srbdp != NULL) {
216 minidump(rgep, "software descriptor", srbdp, sizeof (*srbdp));
217
218 rge_log(rgep, "PCI address %llx buffer len 0x%x token 0x%x",
219 srbdp->rx_buf->pbuf.cookie.dmac_laddress,
220 srbdp->rx_buf->pbuf.alength,
221 srbdp->rx_buf->pbuf.token);
222
223 minidump(rgep, "packet data", srbdp->rx_buf->pbuf.mem_va,
224 hrbdp->flags_len & RBD_LEN_MASK);
225 }
226 }
227
228 void
rge_dbg_enter(rge_t * rgep,const char * s)229 rge_dbg_enter(rge_t *rgep, const char *s)
230 {
231 uint32_t debug;
232
233 debug = rgep != NULL ? rgep->debug : rge_debug;
234 if (debug & RGE_DBG_STOP) {
235 cmn_err(CE_CONT, "rge_dbg_enter(%p): %s\n", (void *)rgep, s);
236 debug_enter("");
237 }
238 }
239
240 #endif /* RGE_DEBUGGING */
241