sun_enclosure.c revision ac88567a7a5bb7f01cf22cf366bc9d6203e24d7a
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <sys/scsi/impl/spc3_types.h>
#include <stddef.h>
#include <string.h>
#include <strings.h>
#include <libnvpair.h>
#include <scsi/libses.h>
#include <scsi/libses_plugin.h>
#include <scsi/plugins/ses/framework/ses2.h>
#include <scsi/plugins/ses/framework/ses2_impl.h>
#include <scsi/plugins/ses/framework/libses.h>
#include <scsi/plugins/ses/vendor/sun.h>
#include <scsi/plugins/ses/vendor/sun_impl.h>
/*ARGSUSED*/
static int
enc_parse_feature_block(ses_plugin_t *sp, ses_node_t *np)
{
sun_feature_block_impl_t *sfbip;
nvlist_t *encprops;
uint8_t *vsp;
uint_t vsp_len;
uint_t cid_off, cid_len;
uint16_t revision;
uint64_t chunk;
int nverr;
encprops = ses_node_props(np);
if (nvlist_lookup_byte_array(encprops, SES_EN_PROP_VS,
&vsp, &vsp_len) != 0 ||
vsp_len < offsetof(sun_feature_block_impl_t, _reserved2))
return (0);
sfbip = (sun_feature_block_impl_t *)vsp;
if (strncmp((char *)sfbip->sfbi_spms_header, "SPMS", 4) != 0 ||
sfbip->sfbi_spms_major_ver != 1)
return (0);
revision = SCSI_READ16(&sfbip->sfbi_spms_revision);
/*
* The offset read from the Sun Feature Block needs to be adjusted
* so that the difference in the sizes of the Enclosure
* Descriptor and the INQUIRY data format is accounted for.
*/
cid_len = sfbip->sfbi_chassis_id_len;
if (sfbip->sfbi_chassis_id_off >= 96 && cid_len >= 4) {
cid_off = sfbip->sfbi_chassis_id_off -
(sizeof (ses2_ed_impl_t) - 1);
cid_off += offsetof(ses2_ed_impl_t, st_priv[0]) -
offsetof(spc3_inquiry_data_t, id_vs_36[0]);
if (cid_off + cid_len <= vsp_len) {
SES_NV_ADD(fixed_string, nverr, encprops,
LIBSES_EN_PROP_CSN, (char *)(vsp + cid_off),
cid_len);
}
}
if (revision >= 104) {
SES_NV_ADD(boolean_value, nverr, encprops,
LIBSES_EN_PROP_INTERNAL, sfbip->sfbi_int);
}
if (revision >= 105) {
if (sfbip->sfbi_fw_upload_max_chunk_sz == 0)
chunk = 512;
else if (sfbip->sfbi_fw_upload_max_chunk_sz == 0x7f)
chunk = 65536;
else
chunk = 512 * sfbip->sfbi_fw_upload_max_chunk_sz;
SES_NV_ADD(uint64, nverr, encprops,
LIBSES_EN_PROP_FIRMWARE_CHUNK_SIZE, chunk);
}
/*
* If this is a subchassis, it will have a subchassis index field
* with a value other than 0. See SPMS-1r111 4.1.3.1. If not, we
* will see 0 and will not create the subchassis member at all; note
* that this is backward-compatible with pre-111 implementations that
* treated this as a reserved field. No such implementation contains
* a subchassis.
*/
if (sfbip->sfbi_spms_revision >= 111 &&
sfbip->sfbi_subchassis_index != 0) {
SES_NV_ADD(uint64, nverr, encprops,
LIBSES_EN_PROP_SUBCHASSIS_ID,
sfbip->sfbi_subchassis_index - 1);
}
return (0);
}
int
sun_fill_enclosure_node(ses_plugin_t *sp, ses_node_t *np)
{
ses_snap_t *snap = ses_node_snapshot(np);
nvlist_t *props = ses_node_props(np);
sun_fru_descr_impl_t *sfdi;
int err;
size_t len;
if ((err = enc_parse_feature_block(sp, np)) != 0)
return (err);
if ((sfdi = ses_plugin_page_lookup(sp, snap,
SUN_DIAGPAGE_FRUID, np, &len)) != NULL) {
if ((err = sun_fruid_parse_common(sfdi, props)) != 0)
return (err);
}
return (0);
}