xref: /titanic_41/usr/src/lib/libipmi/common/ipmi_misc.c (revision 54925bf60766fbb4f1f2d7c843721406a7b7a3fb)
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 <libipmi.h>
29 #include <string.h>
30 
31 #include "ipmi_impl.h"
32 
33 ipmi_deviceid_t *
34 ipmi_get_deviceid(ipmi_handle_t *ihp)
35 {
36 	ipmi_cmd_t cmd, *resp;
37 
38 	if (ihp->ih_deviceid_valid)
39 		return (&ihp->ih_deviceid);
40 
41 	cmd.ic_netfn = IPMI_NETFN_APP;
42 	cmd.ic_lun = 0;
43 	cmd.ic_cmd = IPMI_CMD_GET_DEVICEID;
44 	cmd.ic_data = NULL;
45 	cmd.ic_dlen = 0;
46 
47 	if ((resp = ipmi_send(ihp, &cmd)) == NULL)
48 		return (NULL);
49 
50 	if (resp->ic_dlen < sizeof (ipmi_deviceid_t)) {
51 		(void) ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL);
52 		return (NULL);
53 	}
54 
55 	(void) memcpy(&ihp->ih_deviceid, resp->ic_data,
56 	    sizeof (ipmi_deviceid_t));
57 	ihp->ih_deviceid.id_product = LE_16(ihp->ih_deviceid.id_product);
58 	ihp->ih_deviceid_valid = B_TRUE;
59 
60 	return (&ihp->ih_deviceid);
61 }
62