10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
70Sstevel@tonic-gate * with the License.
80Sstevel@tonic-gate *
90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate * See the License for the specific language governing permissions
120Sstevel@tonic-gate * and limitations under the License.
130Sstevel@tonic-gate *
140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate *
200Sstevel@tonic-gate * CDDL HEADER END
210Sstevel@tonic-gate */
220Sstevel@tonic-gate /*
23*789Sahrens * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24*789Sahrens * Use is subject to license terms.
250Sstevel@tonic-gate */
260Sstevel@tonic-gate
270Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
280Sstevel@tonic-gate
290Sstevel@tonic-gate #include <sys/promif.h>
300Sstevel@tonic-gate #include <sys/promimpl.h>
310Sstevel@tonic-gate
320Sstevel@tonic-gate /*
330Sstevel@tonic-gate * Return a character string in buf,buflen representing the running
340Sstevel@tonic-gate * version of the firmware. Systems that have no concept of such a
350Sstevel@tonic-gate * string may return the string "unknown".
360Sstevel@tonic-gate *
370Sstevel@tonic-gate * Return the actual length of the string, including the NULL terminator.
380Sstevel@tonic-gate * Copy at most buflen bytes into the caller's buffer, always providing
390Sstevel@tonic-gate * NULL termination.
400Sstevel@tonic-gate *
410Sstevel@tonic-gate * Returns the actual length of the string, plus copies data in the callers
420Sstevel@tonic-gate * buf copying at most buflen bytes. Returns -1 if an internal error occurs.
430Sstevel@tonic-gate */
440Sstevel@tonic-gate
450Sstevel@tonic-gate int
prom_version_name(char * buf,int buflen)460Sstevel@tonic-gate prom_version_name(char *buf, int buflen)
470Sstevel@tonic-gate {
48*789Sahrens pnode_t nodeid;
490Sstevel@tonic-gate int proplen;
500Sstevel@tonic-gate char *unknown = "unknown";
510Sstevel@tonic-gate
520Sstevel@tonic-gate *buf = *(buf + buflen - 1) = (char)0; /* Force NULL termination */
530Sstevel@tonic-gate
540Sstevel@tonic-gate /*
550Sstevel@tonic-gate * On sun4u systems, the /openprom "version" property
560Sstevel@tonic-gate * contains the running version of the prom. Some older
570Sstevel@tonic-gate * pre-FCS proms may not have the "version" property, so
580Sstevel@tonic-gate * in that case we just return "unknown".
590Sstevel@tonic-gate */
600Sstevel@tonic-gate
610Sstevel@tonic-gate nodeid = prom_finddevice("/openprom");
62*789Sahrens if (nodeid == (pnode_t)-1)
630Sstevel@tonic-gate return (-1);
640Sstevel@tonic-gate
650Sstevel@tonic-gate proplen = prom_bounded_getprop(nodeid, "version", buf, buflen - 1);
660Sstevel@tonic-gate if (proplen <= 0) {
670Sstevel@tonic-gate (void) prom_strncpy(buf, unknown, buflen - 1);
680Sstevel@tonic-gate return (prom_strlen(unknown) + 1);
690Sstevel@tonic-gate }
700Sstevel@tonic-gate
710Sstevel@tonic-gate return (proplen);
720Sstevel@tonic-gate }
73