libses/common/libses.c

/*
 * 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 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <scsi/libses.h>
#include <scsi/libses_plugin.h>

#include "libses_impl.h"

/*ARGSUSED*/
static int
libses_parse_node(ses_plugin_t *sp, ses_node_t *np)
{
    nvlist_t *lid;
    nvlist_t *props;
    uint64_t id, type;
    char csn[17];
    const char *name;
    int nverr;

    props = ses_node_props(np);

    if (nvlist_lookup_uint64(props, SES_PROP_ELEMENT_TYPE,
        &type) == 0 &&
        (name = ses_element_type_name(type)) != NULL) {
        /*
         * Add a standard human-readable name for the element type.
         */
        SES_NV_ADD(string, nverr, props,
            LIBSES_PROP_ELEMENT_TYPE_NAME, name);
    }

    if (ses_node_type(np) != SES_NODE_ENCLOSURE)
        return (0);

    /*
     * The only thing we do for all targets is fill in the default chassis
     * number from the enclosure logical ID.
     */
    if (nvlist_lookup_nvlist(props, SES_EN_PROP_LID, &lid) != 0)
        return (0);

    VERIFY(nvlist_lookup_uint64(lid, SPC3_NAA_INT, &id) == 0);

    (void) snprintf(csn, sizeof (csn), "%llx", id);
    SES_NV_ADD(string, nverr, props, LIBSES_EN_PROP_CSN, csn);

    return (0);
}

int
_ses_init(ses_plugin_t *sp)
{
    ses_plugin_config_t config = {
        .spc_node_parse = libses_parse_node
    };

    return (ses_plugin_register(sp, LIBSES_PLUGIN_VERSION,
        &config) != 0);
}

/*
 * libses must be loaded after ses2.
 */
int
_ses_priority(void)
{
    return (1);
}