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 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <sys/types.h>
29#include <sys/ddi.h>
30#include <sys/sunddi.h>
31#include <sys/cmn_err.h>
32#include <sys/varargs.h>
33#include <sys/n2rng.h>
34
35/*
36 * Debugging and messaging.
37 */
38#if DEBUG
39static unsigned int n2rng_debug = DWARN;
40
41int
42n2rng_dflagset(int flag)
43{
44	return (flag & n2rng_debug);
45}
46
47void
48n2rng_dprintf(n2rng_t *n2rng, int level, const char *fmt, ...)
49{
50	va_list ap;
51	char	buf[256];
52
53	if (n2rng_debug & level) {
54		va_start(ap, fmt);
55		if (n2rng == NULL) {
56			(void) sprintf(buf, "%s\n", fmt);
57		} else {
58			(void) sprintf(buf, "%s/%d: %s\n",
59			    ddi_driver_name(n2rng->n_dip),
60			    ddi_get_instance(n2rng->n_dip), fmt);
61		}
62		vprintf(buf, ap);
63		va_end(ap);
64	}
65}
66#endif
67
68void
69n2rng_error(n2rng_t *n2rng, const char *fmt, ...)
70{
71	va_list ap;
72	va_start(ap, fmt);
73	n2rng_dipverror(n2rng->n_dip, fmt, ap);
74	va_end(ap);
75}
76
77void
78n2rng_diperror(dev_info_t *dip, const char *fmt, ...)
79{
80	va_list ap;
81	va_start(ap, fmt);
82	n2rng_dipverror(dip, fmt, ap);
83	va_end(ap);
84}
85
86void
87n2rng_dipverror(dev_info_t *dip, const char *fmt, va_list ap)
88{
89	char	buf[256];
90
91	(void) sprintf(buf, "%s%d: %s", ddi_driver_name(dip),
92	    ddi_get_instance(dip), fmt);
93	vcmn_err(CE_WARN, buf, ap);
94}
95