usr/src/lib/scsi/plugins/ses/libses/common/libses.c

   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 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <scsi/libses.h>
  30 #include <scsi/libses_plugin.h>
  31
  32 #include "libses_impl.h"
  33
  34 /*ARGSUSED*/
  35 static int
  36 libses_parse_node(ses_plugin_t *sp, ses_node_t *np)
  37 {
  38         nvlist_t *lid;
  39         nvlist_t *props;
  40         uint64_t id, type;
  41         char csn[17];
  42         const char *name;
  43         int nverr;
  44
  45         props = ses_node_props(np);
  46
  47         if (nvlist_lookup_uint64(props, SES_PROP_ELEMENT_TYPE,
  48             &type) == 0 &&
  49             (name = ses_element_type_name(type)) != NULL) {
  50                 /*
  51                  * Add a standard human-readable name for the element type.
  52                  */
  53                 SES_NV_ADD(string, nverr, props,
  54                     LIBSES_PROP_ELEMENT_TYPE_NAME, name);
  55         }
  56
  57         if (ses_node_type(np) != SES_NODE_ENCLOSURE)
  58                 return (0);
  59
  60         /*
  61          * The only thing we do for all targets is fill in the default chassis
  62          * number from the enclosure logical ID.
  63          */
  64         if (nvlist_lookup_nvlist(props, SES_EN_PROP_LID, &lid) != 0)
  65                 return (0);
  66
  67         VERIFY(nvlist_lookup_uint64(lid, SPC3_NAA_INT, &id) == 0);
  68
  69         (void) snprintf(csn, sizeof (csn), "%llx", id);
  70         SES_NV_ADD(string, nverr, props, LIBSES_EN_PROP_CSN, csn);
  71
  72         return (0);
  73 }
  74
  75 int
  76 _ses_init(ses_plugin_t *sp)
  77 {
  78         ses_plugin_config_t config = {
  79                 .spc_node_parse = libses_parse_node
  80         };
  81
  82         return (ses_plugin_register(sp, LIBSES_PLUGIN_VERSION,
  83             &config) != 0);
  84 }
  85
  86 /*
  87  * libses must be loaded after ses2.
  88  */
  89 int
  90 _ses_priority(void)
  91 {
  92         return (1);
  93 }