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      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
     39 static unsigned int n2rng_debug = DWARN;
     40 
     41 int
     42 n2rng_dflagset(int flag)
     43 {
     44 	return (flag & n2rng_debug);
     45 }
     46 
     47 void
     48 n2rng_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 
     68 void
     69 n2rng_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 
     77 void
     78 n2rng_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 
     86 void
     87 n2rng_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