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 2004 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 #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <sys/types.h>
30*0Sstevel@tonic-gate #include <sys/param.h>
31*0Sstevel@tonic-gate #include <sys/user.h>
32*0Sstevel@tonic-gate #include <sys/buf.h>
33*0Sstevel@tonic-gate #include <sys/systm.h>
34*0Sstevel@tonic-gate #include <sys/vm.h>
35*0Sstevel@tonic-gate #include <sys/uio.h>
36*0Sstevel@tonic-gate #include <vm/seg.h>
37*0Sstevel@tonic-gate #include <sys/stat.h>
38*0Sstevel@tonic-gate
39*0Sstevel@tonic-gate #include <sys/time.h>
40*0Sstevel@tonic-gate #include <sys/varargs.h>
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate #include <sys/rsm/rsm.h>
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate /* lint -w2 */
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate extern char *vsprintf_len(size_t, char *, const char *, va_list);
47*0Sstevel@tonic-gate extern char *sprintf(char *buf, const char *fmt, ...);
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate /*
50*0Sstevel@tonic-gate * From kmdb, read printfs using : *rsmka_dbg/s
51*0Sstevel@tonic-gate */
52*0Sstevel@tonic-gate #define RSMKA_BUFSIZE 0x10000
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate char rsmka_buf[RSMKA_BUFSIZE];
55*0Sstevel@tonic-gate char *rsmka_dbg = rsmka_buf;
56*0Sstevel@tonic-gate char *rsmka_buf_end = rsmka_buf;
57*0Sstevel@tonic-gate char *rsmka_buf_top = rsmka_buf + RSMKA_BUFSIZE - 256;
58*0Sstevel@tonic-gate kmutex_t rsmka_buf_lock;
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate int rsmdbg_category = RSM_KERNEL_ALL;
61*0Sstevel@tonic-gate #ifdef DEBUG
62*0Sstevel@tonic-gate int rsmdbg_level = RSM_DEBUG_VERBOSE;
63*0Sstevel@tonic-gate #else
64*0Sstevel@tonic-gate int rsmdbg_level = RSM_NOTICE;
65*0Sstevel@tonic-gate #endif
66*0Sstevel@tonic-gate
dbprintf(char * fmt,...)67*0Sstevel@tonic-gate void dbprintf(char *fmt, ...) {
68*0Sstevel@tonic-gate va_list ap;
69*0Sstevel@tonic-gate /* lint -save -e40 */
70*0Sstevel@tonic-gate va_start(ap, fmt);
71*0Sstevel@tonic-gate /* lint -restore */
72*0Sstevel@tonic-gate mutex_enter(&rsmka_buf_lock);
73*0Sstevel@tonic-gate (void) vsprintf_len(255, rsmka_buf_end, fmt, ap);
74*0Sstevel@tonic-gate rsmka_buf_end += strlen(rsmka_buf_end);
75*0Sstevel@tonic-gate if (rsmka_buf_end > rsmka_buf_top) {
76*0Sstevel@tonic-gate rsmka_buf_end = rsmka_buf;
77*0Sstevel@tonic-gate }
78*0Sstevel@tonic-gate va_end(ap);
79*0Sstevel@tonic-gate mutex_exit(&rsmka_buf_lock);
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate void
dbg_printf(int msg_category,int msg_level,char * fmt,...)83*0Sstevel@tonic-gate dbg_printf(int msg_category, int msg_level, char *fmt, ...)
84*0Sstevel@tonic-gate {
85*0Sstevel@tonic-gate if ((msg_category & rsmdbg_category) &&
86*0Sstevel@tonic-gate (msg_level <= rsmdbg_level)) {
87*0Sstevel@tonic-gate va_list ap;
88*0Sstevel@tonic-gate va_start(ap, fmt);
89*0Sstevel@tonic-gate mutex_enter(&rsmka_buf_lock);
90*0Sstevel@tonic-gate (void) sprintf(rsmka_buf_end, "%16" PRIx64 ":",
91*0Sstevel@tonic-gate curthread->t_did);
92*0Sstevel@tonic-gate rsmka_buf_end += 17;
93*0Sstevel@tonic-gate (void) vsprintf_len(255, rsmka_buf_end, fmt, ap);
94*0Sstevel@tonic-gate rsmka_buf_end += strlen(rsmka_buf_end);
95*0Sstevel@tonic-gate if (rsmka_buf_end > rsmka_buf_top) {
96*0Sstevel@tonic-gate rsmka_buf_end = rsmka_buf;
97*0Sstevel@tonic-gate }
98*0Sstevel@tonic-gate mutex_exit(&rsmka_buf_lock);
99*0Sstevel@tonic-gate va_end(ap);
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate }
102