sun_pages.c revision 12126:60364f3f65c7 
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/*
23 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26#include <stddef.h>
27#include <strings.h>
28
29#include <scsi/libses.h>
30#include <scsi/libses_plugin.h>
31#include <scsi/plugins/ses/vendor/sun.h>
32#include <scsi/plugins/ses/vendor/sun_impl.h>
33
34/*ARGSUSED*/
35static void *
36sun_fruid_index(ses_plugin_t *sp, ses_node_t *np, void *data,
37    size_t pagelen, size_t *len)
38{
39	uint64_t index;
40	nvlist_t *props = ses_node_props(np);
41	sun_fruid_page_impl_t *sfpip = data;
42	sun_fru_descr_impl_t *sfdip;
43	uint16_t *addr;
44
45	if (ses_node_type(np) != SES_NODE_ELEMENT &&
46	    ses_node_type(np) != SES_NODE_ENCLOSURE)
47		return (NULL);
48
49	if (nvlist_lookup_uint64(props, SES_PROP_ELEMENT_ONLY_INDEX,
50	    &index) != 0)
51		return (NULL);
52
53	addr = &sfpip->sfpi_descr_addrs[index];
54	if (!SES_WITHIN_PAGE_STRUCT(addr, data, pagelen))
55		return (NULL);
56
57	sfdip = (sun_fru_descr_impl_t *)((uint8_t *)sfpip + SCSI_READ16(addr));
58	if (!SES_WITHIN_PAGE_STRUCT(sfdip, data, pagelen))
59		return (NULL);
60
61	*len = MIN(((uint8_t *)sfpip - (uint8_t *)sfdip) + pagelen,
62	    SCSI_READ16(&sfdip->sfdi_fru_data_length) +
63	    offsetof(sun_fru_descr_impl_t, sfdi_fru_data));
64
65	return (sfdip);
66}
67
68ses_pagedesc_t sun_pages[] = {
69{
70	.spd_pagenum = SUN_DIAGPAGE_FRUID,
71	.spd_index = sun_fruid_index,
72	.spd_req = SES_REQ_OPTIONAL_STANDARD,
73	.spd_gcoff = offsetof(sun_fruid_page_impl_t, sfpi_generation_code)
74},
75{
76	.spd_pagenum = -1,
77	.spd_gcoff = -1
78}
79};
80